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FFmpeg
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  1. #!/bin/sh

  2. #

  3. # FFmpeg configure script

  4. #

  5. # Copyright (c) 2000-2002 Fabrice Bellard

  6. # Copyright (c) 2005-2008 Diego Biurrun

  7. # Copyright (c) 2005-2008 Mans Rullgard

  8. #

  9. 

  10. # Prevent locale nonsense from breaking basic text processing.

  11. LC_ALL=C

  12. export LC_ALL

  13. 

  14. # make sure we are running under a compatible shell

  15. # try to make this part work with most shells

  16. 

  17. try_exec(){

  18.     echo "Trying shell $1"

  19.     type "$1" > /dev/null 2>&1 && exec "$@"

  20. }

  21. 

  22. unset foo

  23. (: ${foo%%bar}) 2> /dev/null

  24. E1="$?"

  25. 

  26. (: ${foo?}) 2> /dev/null

  27. E2="$?"

  28. 

  29. if test "$E1" != 0 || test "$E2" = 0; then

  30.     echo "Broken shell detected.  Trying alternatives."

  31.     export FF_CONF_EXEC

  32.     if test "0$FF_CONF_EXEC" -lt 1; then

  33.         FF_CONF_EXEC=1

  34.         try_exec bash "$0" "$@"

  35.     fi

  36.     if test "0$FF_CONF_EXEC" -lt 2; then

  37.         FF_CONF_EXEC=2

  38.         try_exec ksh "$0" "$@"

  39.     fi

  40.     if test "0$FF_CONF_EXEC" -lt 3; then

  41.         FF_CONF_EXEC=3

  42.         try_exec /usr/xpg4/bin/sh "$0" "$@"

  43.     fi

  44.     echo "No compatible shell script interpreter found."

  45.     echo "This configure script requires a POSIX-compatible shell"

  46.     echo "such as bash or ksh."

  47.     echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."

  48.     echo "Instead, install a working POSIX-compatible shell."

  49.     echo "Disabling this configure test will create a broken FFmpeg."

  50.     if test "$BASH_VERSION" = '2.04.0(1)-release'; then

  51.         echo "This bash version ($BASH_VERSION) is broken on your platform."

  52.         echo "Upgrade to a later version if available."

  53.     fi

  54.     exit 1

  55. fi

  56. 

  57. test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH

  58. 

  59. show_help(){

  60.     cat <<EOF

  61. Usage: configure [options]

  62. Options: [defaults in brackets after descriptions]

  63. 

  64. Help options:

  65.   --help                   print this message

  66.   --list-decoders          show all available decoders

  67.   --list-encoders          show all available encoders

  68.   --list-hwaccels          show all available hardware accelerators

  69.   --list-demuxers          show all available demuxers

  70.   --list-muxers            show all available muxers

  71.   --list-parsers           show all available parsers

  72.   --list-protocols         show all available protocols

  73.   --list-bsfs              show all available bitstream filters

  74.   --list-indevs            show all available input devices

  75.   --list-outdevs           show all available output devices

  76.   --list-filters           show all available filters

  77. 

  78. Standard options:

  79.   --logfile=FILE           log tests and output to FILE [config.log]

  80.   --disable-logging        do not log configure debug information

  81.   --fatal-warnings         fail if any configure warning is generated

  82.   --prefix=PREFIX          install in PREFIX [$prefix]

  83.   --bindir=DIR             install binaries in DIR [PREFIX/bin]

  84.   --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]

  85.   --docdir=DIR             install documentation in DIR [PREFIX/share/doc/ffmpeg]

  86.   --libdir=DIR             install libs in DIR [PREFIX/lib]

  87.   --shlibdir=DIR           install shared libs in DIR [LIBDIR]

  88.   --incdir=DIR             install includes in DIR [PREFIX/include]

  89.   --mandir=DIR             install man page in DIR [PREFIX/share/man]

  90.   --enable-rpath           use rpath to allow installing libraries in paths

  91.                            not part of the dynamic linker search path

  92.                            use rpath when linking programs [USE WITH CARE]

  93. 

  94. Licensing options:

  95.   --enable-gpl             allow use of GPL code, the resulting libs

  96.                            and binaries will be under GPL [no]

  97.   --enable-version3        upgrade (L)GPL to version 3 [no]

  98.   --enable-nonfree         allow use of nonfree code, the resulting libs

  99.                            and binaries will be unredistributable [no]

  100. 

  101. Configuration options:

  102.   --disable-static         do not build static libraries [no]

  103.   --enable-shared          build shared libraries [no]

  104.   --enable-small           optimize for size instead of speed

  105.   --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)

  106.   --enable-gray            enable full grayscale support (slower color)

  107.   --disable-swscale-alpha  disable alpha channel support in swscale

  108.   --disable-all            disable building components, libraries and programs

  109.   --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]

  110.   --enable-raise-major     increase major version numbers in sonames [no]

  111. 

  112. Program options:

  113.   --disable-programs       do not build command line programs

  114.   --disable-ffmpeg         disable ffmpeg build

  115.   --disable-ffplay         disable ffplay build

  116.   --disable-ffprobe        disable ffprobe build

  117.   --disable-ffserver       disable ffserver build

  118. 

  119. Documentation options:

  120.   --disable-doc            do not build documentation

  121.   --disable-htmlpages      do not build HTML documentation pages

  122.   --disable-manpages       do not build man documentation pages

  123.   --disable-podpages       do not build POD documentation pages

  124.   --disable-txtpages       do not build text documentation pages

  125. 

  126. Component options:

  127.   --disable-avdevice       disable libavdevice build

  128.   --disable-avcodec        disable libavcodec build

  129.   --disable-avformat       disable libavformat build

  130.   --disable-avutil         disable libavutil build

  131.   --disable-swresample     disable libswresample build

  132.   --disable-swscale        disable libswscale build

  133.   --disable-postproc       disable libpostproc build

  134.   --disable-avfilter       disable libavfilter build

  135.   --enable-avresample      enable libavresample build [no]

  136.   --disable-pthreads       disable pthreads [auto]

  137.   --disable-w32threads     disable Win32 threads [auto]

  138.   --disable-os2threads     disable OS/2 threads [auto]

  139.   --disable-network        disable network support [no]

  140.   --disable-dct            disable DCT code

  141.   --disable-dwt            disable DWT code

  142.   --disable-error-resilience disable error resilience code

  143.   --disable-lsp            disable LSP code

  144.   --disable-lzo            disable LZO decoder code

  145.   --disable-mdct           disable MDCT code

  146.   --disable-rdft           disable RDFT code

  147.   --disable-fft            disable FFT code

  148.   --disable-faan           disable floating point AAN (I)DCT code

  149.   --disable-pixelutils     disable pixel utils in libavutil

  150. 

  151. Hardware accelerators:

  152.   --disable-dxva2          disable DXVA2 code [autodetect]

  153.   --disable-vaapi          disable VAAPI code [autodetect]

  154.   --disable-vda            disable VDA code [autodetect]

  155.   --disable-vdpau          disable VDPAU code [autodetect]

  156. 

  157. Individual component options:

  158.   --disable-everything     disable all components listed below

  159.   --disable-encoder=NAME   disable encoder NAME

  160.   --enable-encoder=NAME    enable encoder NAME

  161.   --disable-encoders       disable all encoders

  162.   --disable-decoder=NAME   disable decoder NAME

  163.   --enable-decoder=NAME    enable decoder NAME

  164.   --disable-decoders       disable all decoders

  165.   --disable-hwaccel=NAME   disable hwaccel NAME

  166.   --enable-hwaccel=NAME    enable hwaccel NAME

  167.   --disable-hwaccels       disable all hwaccels

  168.   --disable-muxer=NAME     disable muxer NAME

  169.   --enable-muxer=NAME      enable muxer NAME

  170.   --disable-muxers         disable all muxers

  171.   --disable-demuxer=NAME   disable demuxer NAME

  172.   --enable-demuxer=NAME    enable demuxer NAME

  173.   --disable-demuxers       disable all demuxers

  174.   --enable-parser=NAME     enable parser NAME

  175.   --disable-parser=NAME    disable parser NAME

  176.   --disable-parsers        disable all parsers

  177.   --enable-bsf=NAME        enable bitstream filter NAME

  178.   --disable-bsf=NAME       disable bitstream filter NAME

  179.   --disable-bsfs           disable all bitstream filters

  180.   --enable-protocol=NAME   enable protocol NAME

  181.   --disable-protocol=NAME  disable protocol NAME

  182.   --disable-protocols      disable all protocols

  183.   --enable-indev=NAME      enable input device NAME

  184.   --disable-indev=NAME     disable input device NAME

  185.   --disable-indevs         disable input devices

  186.   --enable-outdev=NAME     enable output device NAME

  187.   --disable-outdev=NAME    disable output device NAME

  188.   --disable-outdevs        disable output devices

  189.   --disable-devices        disable all devices

  190.   --enable-filter=NAME     enable filter NAME

  191.   --disable-filter=NAME    disable filter NAME

  192.   --disable-filters        disable all filters

  193. 

  194. External library support:

  195.   --enable-avisynth        enable reading of AviSynth script files [no]

  196.   --disable-bzlib          disable bzlib [autodetect]

  197.   --enable-fontconfig      enable fontconfig, useful for drawtext filter [no]

  198.   --enable-frei0r          enable frei0r video filtering [no]

  199.   --enable-gnutls          enable gnutls, needed for https support

  200.                            if openssl is not used [no]

  201.   --disable-iconv          disable iconv [autodetect]

  202.   --enable-ladspa          enable LADSPA audio filtering [no]

  203.   --enable-libaacplus      enable AAC+ encoding via libaacplus [no]

  204.   --enable-libass          enable libass subtitles rendering,

  205.                            needed for subtitles and ass filter [no]

  206.   --enable-libbluray       enable BluRay reading using libbluray [no]

  207.   --enable-libbs2b         enable bs2b DSP library [no]

  208.   --enable-libcaca         enable textual display using libcaca [no]

  209.   --enable-libcelt         enable CELT decoding via libcelt [no]

  210.   --enable-libcdio         enable audio CD grabbing with libcdio [no]

  211.   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394

  212.                            and libraw1394 [no]

  213.   --enable-libfaac         enable AAC encoding via libfaac [no]

  214.   --enable-libfdk-aac      enable AAC de/encoding via libfdk-aac [no]

  215.   --enable-libflite        enable flite (voice synthesis) support via libflite [no]

  216.   --enable-libfreetype     enable libfreetype, needed for drawtext filter [no]

  217.   --enable-libfribidi      enable libfribidi, improves drawtext filter [no]

  218.   --enable-libgme          enable Game Music Emu via libgme [no]

  219.   --enable-libgsm          enable GSM de/encoding via libgsm [no]

  220.   --enable-libiec61883     enable iec61883 via libiec61883 [no]

  221.   --enable-libilbc         enable iLBC de/encoding via libilbc [no]

  222.   --enable-libmfx          enable HW acceleration through libmfx

  223.   --enable-libmodplug      enable ModPlug via libmodplug [no]

  224.   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]

  225.   --enable-libnut          enable NUT (de)muxing via libnut,

  226.                            native (de)muxer exists [no]

  227.   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]

  228.   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]

  229.   --enable-libopencv       enable video filtering via libopencv [no]

  230.   --enable-libopenh264     enable H.264 encoding via OpenH264 [no]

  231.   --enable-libopenjpeg     enable JPEG 2000 de/encoding via OpenJPEG [no]

  232.   --enable-libopus         enable Opus de/encoding via libopus [no]

  233.   --enable-libpulse        enable Pulseaudio input via libpulse [no]

  234.   --enable-libquvi         enable quvi input via libquvi [no]

  235.   --enable-librtmp         enable RTMP[E] support via librtmp [no]

  236.   --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]

  237.   --enable-libshine        enable fixed-point MP3 encoding via libshine [no]

  238.   --enable-libsmbclient    enable Samba protocol via libsmbclient [no]

  239.   --enable-libsoxr         enable Include libsoxr resampling [no]

  240.   --enable-libspeex        enable Speex de/encoding via libspeex [no]

  241.   --enable-libssh          enable SFTP protocol via libssh [no]

  242.   --enable-libstagefright-h264  enable H.264 decoding via libstagefright [no]

  243.   --enable-libtheora       enable Theora encoding via libtheora [no]

  244.   --enable-libtwolame      enable MP2 encoding via libtwolame [no]

  245.   --enable-libutvideo      enable Ut Video encoding and decoding via libutvideo [no]

  246.   --enable-libv4l2         enable libv4l2/v4l-utils [no]

  247.   --enable-libvidstab      enable video stabilization using vid.stab [no]

  248.   --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]

  249.   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]

  250.   --enable-libvorbis       enable Vorbis en/decoding via libvorbis,

  251.                            native implementation exists [no]

  252.   --enable-libvpx          enable VP8 and VP9 de/encoding via libvpx [no]

  253.   --enable-libwavpack      enable wavpack encoding via libwavpack [no]

  254.   --enable-libwebp         enable WebP encoding via libwebp [no]

  255.   --enable-libx264         enable H.264 encoding via x264 [no]

  256.   --enable-libx265         enable HEVC encoding via x265 [no]

  257.   --enable-libxavs         enable AVS encoding via xavs [no]

  258.   --enable-libxcb          enable X11 grabbing using XCB [auto]

  259.   --enable-libxcb-shm      enable X11 grabbing shm communication [auto]

  260.   --enable-libxcb-xfixes   enable X11 grabbing mouse rendering [auto]

  261.   --enable-libxcb-shape    enable X11 grabbing shape rendering [auto]

  262.   --enable-libxvid         enable Xvid encoding via xvidcore,

  263.                            native MPEG-4/Xvid encoder exists [no]

  264.   --enable-libzmq          enable message passing via libzmq [no]

  265.   --enable-libzvbi         enable teletext support via libzvbi [no]

  266.   --disable-lzma           disable lzma [autodetect]

  267.   --enable-decklink        enable Blackmagick DeckLink I/O support [no]

  268.   --enable-nvenc           enable NVIDIA NVENC support [no]

  269.   --enable-openal          enable OpenAL 1.1 capture support [no]

  270.   --enable-opencl          enable OpenCL code

  271.   --enable-opengl          enable OpenGL rendering [no]

  272.   --enable-openssl         enable openssl, needed for https support

  273.                            if gnutls is not used [no]

  274.   --disable-sdl            disable sdl [autodetect]

  275.   --enable-x11grab         enable X11 grabbing (legacy) [no]

  276.   --disable-xlib           disable xlib [autodetect]

  277.   --disable-zlib           disable zlib [autodetect]

  278. 

  279. Toolchain options:

  280.   --arch=ARCH              select architecture [$arch]

  281.   --cpu=CPU                select the minimum required CPU (affects

  282.                            instruction selection, may crash on older CPUs)

  283.   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]

  284.   --progs-suffix=SUFFIX    program name suffix []

  285.   --enable-cross-compile   assume a cross-compiler is used

  286.   --sysroot=PATH           root of cross-build tree

  287.   --sysinclude=PATH        location of cross-build system headers

  288.   --target-os=OS           compiler targets OS [$target_os]

  289.   --target-exec=CMD        command to run executables on target

  290.   --target-path=DIR        path to view of build directory on target

  291.   --target-samples=DIR     path to samples directory on target

  292.   --tempprefix=PATH        force fixed dir/prefix instead of mktemp for checks

  293.   --toolchain=NAME         set tool defaults according to NAME

  294.   --nm=NM                  use nm tool NM [$nm_default]

  295.   --ar=AR                  use archive tool AR [$ar_default]

  296.   --as=AS                  use assembler AS [$as_default]

  297.   --windres=WINDRES        use windows resource compiler WINDRES [$windres_default]

  298.   --yasmexe=EXE            use yasm-compatible assembler EXE [$yasmexe_default]

  299.   --cc=CC                  use C compiler CC [$cc_default]

  300.   --cxx=CXX                use C compiler CXX [$cxx_default]

  301.   --dep-cc=DEPCC           use dependency generator DEPCC [$cc_default]

  302.   --ld=LD                  use linker LD [$ld_default]

  303.   --pkg-config=PKGCONFIG   use pkg-config tool PKGCONFIG [$pkg_config_default]

  304.   --pkg-config-flags=FLAGS pass additional flags to pkgconf []

  305.   --ranlib=RANLIB          use ranlib RANLIB [$ranlib_default]

  306.   --doxygen=DOXYGEN        use DOXYGEN to generate API doc [$doxygen_default]

  307.   --host-cc=HOSTCC         use host C compiler HOSTCC

  308.   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host

  309.   --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host

  310.   --host-ld=HOSTLD         use host linker HOSTLD

  311.   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host

  312.   --host-libs=HLIBS        use libs HLIBS when linking for host

  313.   --host-os=OS             compiler host OS [$target_os]

  314.   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]

  315.   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]

  316.   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]

  317.   --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]

  318.   --extra-libs=ELIBS       add ELIBS [$ELIBS]

  319.   --extra-version=STRING   version string suffix []

  320.   --optflags=OPTFLAGS      override optimization-related compiler flags

  321.   --build-suffix=SUFFIX    library name suffix []

  322.   --enable-pic             build position-independent code

  323.   --enable-thumb           compile for Thumb instruction set

  324.   --enable-lto             use link-time optimization

  325. 

  326. Advanced options (experts only):

  327.   --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX

  328.   --disable-symver         disable symbol versioning

  329.   --enable-hardcoded-tables use hardcoded tables instead of runtime generation

  330.   --disable-safe-bitstream-reader

  331.                            disable buffer boundary checking in bitreaders

  332.                            (faster, but may crash)

  333.   --enable-memalign-hack   emulate memalign, interferes with memory debuggers

  334.   --sws-max-filter-size=N  the max filter size swscale uses [$sws_max_filter_size_default]

  335. 

  336. Optimization options (experts only):

  337.   --disable-asm            disable all assembly optimizations

  338.   --disable-altivec        disable AltiVec optimizations

  339.   --disable-amd3dnow       disable 3DNow! optimizations

  340.   --disable-amd3dnowext    disable 3DNow! extended optimizations

  341.   --disable-mmx            disable MMX optimizations

  342.   --disable-mmxext         disable MMXEXT optimizations

  343.   --disable-sse            disable SSE optimizations

  344.   --disable-sse2           disable SSE2 optimizations

  345.   --disable-sse3           disable SSE3 optimizations

  346.   --disable-ssse3          disable SSSE3 optimizations

  347.   --disable-sse4           disable SSE4 optimizations

  348.   --disable-sse42          disable SSE4.2 optimizations

  349.   --disable-avx            disable AVX optimizations

  350.   --disable-xop            disable XOP optimizations

  351.   --disable-fma3           disable FMA3 optimizations

  352.   --disable-fma4           disable FMA4 optimizations

  353.   --disable-avx2           disable AVX2 optimizations

  354.   --disable-armv5te        disable armv5te optimizations

  355.   --disable-armv6          disable armv6 optimizations

  356.   --disable-armv6t2        disable armv6t2 optimizations

  357.   --disable-vfp            disable VFP optimizations

  358.   --disable-neon           disable NEON optimizations

  359.   --disable-inline-asm     disable use of inline assembly

  360.   --disable-yasm           disable use of nasm/yasm assembly

  361.   --disable-mips32r2       disable MIPS32R2 optimizations

  362.   --disable-mipsdspr1      disable MIPS DSP ASE R1 optimizations

  363.   --disable-mipsdspr2      disable MIPS DSP ASE R2 optimizations

  364.   --disable-mipsfpu        disable floating point MIPS optimizations

  365.   --disable-fast-unaligned consider unaligned accesses slow

  366. 

  367. Developer options (useful when working on FFmpeg itself):

  368.   --disable-debug          disable debugging symbols

  369.   --enable-debug=LEVEL     set the debug level [$debuglevel]

  370.   --disable-optimizations  disable compiler optimizations

  371.   --enable-extra-warnings  enable more compiler warnings

  372.   --disable-stripping      disable stripping of executables and shared libraries

  373.   --assert-level=level     0(default), 1 or 2, amount of assertion testing,

  374.                            2 causes a slowdown at runtime.

  375.   --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data

  376.   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory

  377.                            leaks and errors, using the specified valgrind binary.

  378.                            Cannot be combined with --target-exec

  379.   --enable-ftrapv          Trap arithmetic overflows

  380.   --samples=PATH           location of test samples for FATE, if not set use

  381.                            \$FATE_SAMPLES at make invocation time.

  382.   --enable-neon-clobber-test check NEON registers for clobbering (should be

  383.                            used only for debugging purposes)

  384.   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;

  385.                            should be used only for debugging purposes)

  386.   --enable-random          randomly enable/disable components

  387.   --disable-random

  388.   --enable-random=LIST     randomly enable/disable specific components or

  389.   --disable-random=LIST    component groups. LIST is a comma-separated list

  390.                            of NAME[:PROB] entries where NAME is a component

  391.                            (group) and PROB the probability associated with

  392.                            NAME (default 0.5).

  393.   --random-seed=VALUE      seed value for --enable/disable-random

  394. 

  395. NOTE: Object files are built at the place where configure is launched.

  396. EOF

  397.   exit 0

  398. }

  399. 

  400. quotes='""'

  401. 

  402. log(){

  403.     echo "$@" >> $logfile

  404. }

  405. 

  406. log_file(){

  407.     log BEGIN $1

  408.     pr -n -t $1 >> $logfile

  409.     log END $1

  410. }

  411. 

  412. echolog(){

  413.     log "$@"

  414.     echo "$@"

  415. }

  416. 

  417. warn(){

  418.     log "WARNING: $*"

  419.     WARNINGS="${WARNINGS}WARNING: $*\n"

  420. }

  421. 

  422. die(){

  423.     echolog "$@"

  424.     cat <<EOF

  425. 

  426. If you think configure made a mistake, make sure you are using the latest

  427. version from Git.  If the latest version fails, report the problem to the

  428. ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.

  429. EOF

  430.     if disabled logging; then

  431.         cat <<EOF

  432. Rerun configure with logging enabled (do not use --disable-logging), and

  433. include the log this produces with your report.

  434. EOF

  435.     else

  436.         cat <<EOF

  437. Include the log file "$logfile" produced by configure as this will help

  438. solve the problem.

  439. EOF

  440.     fi

  441.     exit 1

  442. }

  443. 

  444. # Avoid locale weirdness, besides we really just want to translate ASCII.

  445. toupper(){

  446.     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ

  447. }

  448. 

  449. tolower(){

  450.     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz

  451. }

  452. 

  453. c_escape(){

  454.     echo "$*" | sed 's/["\\]/\\\0/g'

  455. }

  456. 

  457. sh_quote(){

  458.     v=$(echo "$1" | sed "s/'/'\\\\''/g")

  459.     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"

  460.     echo "$v"

  461. }

  462. 

  463. cleanws(){

  464.     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//;s/\\r//g'

  465. }

  466. 

  467. filter(){

  468.     pat=$1

  469.     shift

  470.     for v; do

  471.         eval "case $v in $pat) echo $v ;; esac"

  472.     done

  473. }

  474. 

  475. filter_out(){

  476.     pat=$1

  477.     shift

  478.     for v; do

  479.         eval "case $v in $pat) ;; *) echo $v ;; esac"

  480.     done

  481. }

  482. 

  483. map(){

  484.     m=$1

  485.     shift

  486.     for v; do eval $m; done

  487. }

  488. 

  489. add_suffix(){

  490.     suffix=$1

  491.     shift

  492.     for v; do echo ${v}${suffix}; done

  493. }

  494. 

  495. set_all(){

  496.     value=$1

  497.     shift

  498.     for var in $*; do

  499.         eval $var=$value

  500.     done

  501. }

  502. 

  503. set_weak(){

  504.     value=$1

  505.     shift

  506.     for var; do

  507.         eval : \${$var:=$value}

  508.     done

  509. }

  510. 

  511. sanitize_var_name(){

  512.     echo $@ | sed 's/[^A-Za-z0-9_]/_/g'

  513. }

  514. 

  515. set_safe(){

  516.     var=$1

  517.     shift

  518.     eval $(sanitize_var_name "$var")='$*'

  519. }

  520. 

  521. get_safe(){

  522.     eval echo \$$(sanitize_var_name "$1")

  523. }

  524. 

  525. pushvar(){

  526.     for pvar in $*; do

  527.         eval level=\${${pvar}_level:=0}

  528.         eval ${pvar}_${level}="\$$pvar"

  529.         eval ${pvar}_level=$(($level+1))

  530.     done

  531. }

  532. 

  533. popvar(){

  534.     for pvar in $*; do

  535.         eval level=\${${pvar}_level:-0}

  536.         test $level = 0 && continue

  537.         eval level=$(($level-1))

  538.         eval $pvar="\${${pvar}_${level}}"

  539.         eval ${pvar}_level=$level

  540.         eval unset ${pvar}_${level}

  541.     done

  542. }

  543. 

  544. enable(){

  545.     set_all yes $*

  546. }

  547. 

  548. disable(){

  549.     set_all no $*

  550. }

  551. 

  552. enable_weak(){

  553.     set_weak yes $*

  554. }

  555. 

  556. disable_weak(){

  557.     set_weak no $*

  558. }

  559. 

  560. enable_safe(){

  561.     for var; do

  562.         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')

  563.     done

  564. }

  565. 

  566. disable_safe(){

  567.     for var; do

  568.         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')

  569.     done

  570. }

  571. 

  572. do_enable_deep(){

  573.     for var; do

  574.         enabled $var && continue

  575.         eval sel="\$${var}_select"

  576.         eval sgs="\$${var}_suggest"

  577.         pushvar var sgs

  578.         enable_deep $sel

  579.         popvar sgs

  580.         enable_deep_weak $sgs

  581.         popvar var

  582.     done

  583. }

  584. 

  585. enable_deep(){

  586.     do_enable_deep $*

  587.     enable $*

  588. }

  589. 

  590. enable_deep_weak(){

  591.     for var; do

  592.         disabled $var && continue

  593.         pushvar var

  594.         do_enable_deep $var

  595.         popvar var

  596.         enable_weak $var

  597.     done

  598. }

  599. 

  600. enabled(){

  601.     test "${1#!}" = "$1" && op== || op=!=

  602.     eval test "x\$${1#!}" $op "xyes"

  603. }

  604. 

  605. disabled(){

  606.     test "${1#!}" = "$1" && op== || op=!=

  607.     eval test "x\$${1#!}" $op "xno"

  608. }

  609. 

  610. enabled_all(){

  611.     for opt; do

  612.         enabled $opt || return 1

  613.     done

  614. }

  615. 

  616. disabled_all(){

  617.     for opt; do

  618.         disabled $opt || return 1

  619.     done

  620. }

  621. 

  622. enabled_any(){

  623.     for opt; do

  624.         enabled $opt && return 0

  625.     done

  626. }

  627. 

  628. disabled_any(){

  629.     for opt; do

  630.         disabled $opt && return 0

  631.     done

  632.     return 1

  633. }

  634. 

  635. set_default(){

  636.     for opt; do

  637.         eval : \${$opt:=\$${opt}_default}

  638.     done

  639. }

  640. 

  641. is_in(){

  642.     value=$1

  643.     shift

  644.     for var in $*; do

  645.         [ $var = $value ] && return 0

  646.     done

  647.     return 1

  648. }

  649. 

  650. do_check_deps(){

  651.     for cfg; do

  652.         cfg="${cfg#!}"

  653.         enabled ${cfg}_checking && die "Circular dependency for $cfg."

  654.         disabled ${cfg}_checking && continue

  655.         enable ${cfg}_checking

  656.         append allopts $cfg

  657. 

  658.         eval dep_all="\$${cfg}_deps"

  659.         eval dep_any="\$${cfg}_deps_any"

  660.         eval dep_sel="\$${cfg}_select"

  661.         eval dep_sgs="\$${cfg}_suggest"

  662.         eval dep_ifa="\$${cfg}_if"

  663.         eval dep_ifn="\$${cfg}_if_any"

  664. 

  665.         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

  666.         do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn

  667.         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

  668. 

  669.         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }

  670.         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }

  671.         enabled_all  $dep_all || disable $cfg

  672.         enabled_any  $dep_any || disable $cfg

  673.         disabled_any $dep_sel && disable $cfg

  674. 

  675.         if enabled $cfg; then

  676.             enable_deep $dep_sel

  677.             enable_deep_weak $dep_sgs

  678.         fi

  679. 

  680.         disable ${cfg}_checking

  681.     done

  682. }

  683. 

  684. check_deps(){

  685.     unset allopts

  686. 

  687.     do_check_deps "$@"

  688. 

  689.     for cfg in $allopts; do

  690.         enabled $cfg || continue

  691.         eval dep_extralibs="\$${cfg}_extralibs"

  692.         test -n "$dep_extralibs" && add_extralibs $dep_extralibs

  693.     done

  694. }

  695. 

  696. print_config(){

  697.     pfx=$1

  698.     files=$2

  699.     shift 2

  700.     map 'eval echo "$v \${$v:-no}"' "$@" |

  701.     awk "BEGIN { split(\"$files\", files) }

  702.         {

  703.             c = \"$pfx\" toupper(\$1);

  704.             v = \$2;

  705.             sub(/yes/, 1, v);

  706.             sub(/no/,  0, v);

  707.             for (f in files) {

  708.                 file = files[f];

  709.                 if (file ~ /\\.h\$/) {

  710.                     printf(\"#define %s %d\\n\", c, v) >>file;

  711.                 } else if (file ~ /\\.asm\$/) {

  712.                     printf(\"%%define %s %d\\n\", c, v) >>file;

  713.                 } else if (file ~ /\\.mak\$/) {

  714.                     n = -v ? \"\" : \"!\";

  715.                     printf(\"%s%s=yes\\n\", n, c) >>file;

  716.                 } else if (file ~ /\\.texi\$/) {

  717.                     pre = -v ? \"\" : \"@c \";

  718.                     yesno = \$2;

  719.                     c2 = tolower(c);

  720.                     gsub(/_/, \"-\", c2);

  721.                     printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;

  722.                 }

  723.             }

  724.         }"

  725. }

  726. 

  727. print_enabled(){

  728.     suf=$1

  729.     shift

  730.     for v; do

  731.         enabled $v && printf "%s\n" ${v%$suf};

  732.     done

  733. }

  734. 

  735. append(){

  736.     var=$1

  737.     shift

  738.     eval "$var=\"\$$var $*\""

  739. }

  740. 

  741. prepend(){

  742.     var=$1

  743.     shift

  744.     eval "$var=\"$* \$$var\""

  745. }

  746. 

  747. unique(){

  748.     var=$1

  749.     uniq_list=""

  750.     for tok in $(eval echo \$$var); do

  751.         uniq_list="$(filter_out $tok $uniq_list) $tok"

  752.     done

  753.     eval "$var=\"${uniq_list}\""

  754. }

  755. 

  756. add_cppflags(){

  757.     append CPPFLAGS "$@"

  758. }

  759. 

  760. add_cflags(){

  761.     append CFLAGS $($cflags_filter "$@")

  762. }

  763. 

  764. add_cxxflags(){

  765.     append CXXFLAGS $($cflags_filter "$@")

  766. }

  767. 

  768. add_asflags(){

  769.     append ASFLAGS $($asflags_filter "$@")

  770. }

  771. 

  772. add_ldflags(){

  773.     append LDFLAGS $($ldflags_filter "$@")

  774. }

  775. 

  776. add_ldexeflags(){

  777.     append LDEXEFLAGS $($ldflags_filter "$@")

  778. }

  779. 

  780. add_stripflags(){

  781.     append ASMSTRIPFLAGS "$@"

  782. }

  783. 

  784. add_extralibs(){

  785.     prepend extralibs $($ldflags_filter "$@")

  786. }

  787. 

  788. add_host_cppflags(){

  789.     append host_cppflags "$@"

  790. }

  791. 

  792. add_host_cflags(){

  793.     append host_cflags $($host_cflags_filter "$@")

  794. }

  795. 

  796. add_host_ldflags(){

  797.     append host_ldflags $($host_ldflags_filter "$@")

  798. }

  799. 

  800. add_compat(){

  801.     append compat_objs $1

  802.     shift

  803.     map 'add_cppflags -D$v' "$@"

  804. }

  805. 

  806. check_cmd(){

  807.     log "$@"

  808.     "$@" >> $logfile 2>&1

  809. }

  810. 

  811. check_stat(){

  812.     log check_stat "$@"

  813.     stat "$1" >> $logfile 2>&1

  814. }

  815. 

  816. cc_o(){

  817.     eval printf '%s\\n' $CC_O

  818. }

  819. 

  820. cc_e(){

  821.     eval printf '%s\\n' $CC_E

  822. }

  823. 

  824. check_cc(){

  825.     log check_cc "$@"

  826.     cat > $TMPC

  827.     log_file $TMPC

  828.     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC

  829. }

  830. 

  831. check_cxx(){

  832.     log check_cxx "$@"

  833.     cat > $TMPCPP

  834.     log_file $TMPCPP

  835.     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP

  836. }

  837. 

  838. check_oc(){

  839.     log check_oc "$@"

  840.     cat > $TMPM

  841.     log_file $TMPM

  842.     check_cmd $cc -Werror=missing-prototypes $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPM

  843. }

  844. 

  845. check_cpp(){

  846.     log check_cpp "$@"

  847.     cat > $TMPC

  848.     log_file $TMPC

  849.     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC

  850. }

  851. 

  852. as_o(){

  853.     eval printf '%s\\n' $AS_O

  854. }

  855. 

  856. check_as(){

  857.     log check_as "$@"

  858.     cat > $TMPS

  859.     log_file $TMPS

  860.     check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS

  861. }

  862. 

  863. check_inline_asm(){

  864.     log check_inline_asm "$@"

  865.     name="$1"

  866.     code="$2"

  867.     shift 2

  868.     disable $name

  869.     check_cc "$@" <<EOF && enable $name

  870. void foo(void){ __asm__ volatile($code); }

  871. EOF

  872. }

  873. 

  874. check_insn(){

  875.     log check_insn "$@"

  876.     check_inline_asm ${1}_inline "\"$2\""

  877.     echo "$2" | check_as && enable ${1}_external || disable ${1}_external

  878. }

  879. 

  880. check_yasm(){

  881.     log check_yasm "$@"

  882.     echo "$1" > $TMPS

  883.     log_file $TMPS

  884.     shift 1

  885.     check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS

  886. }

  887. 

  888. ld_o(){

  889.     eval printf '%s\\n' $LD_O

  890. }

  891. 

  892. check_ld(){

  893.     log check_ld "$@"

  894.     type=$1

  895.     shift 1

  896.     flags=$(filter_out '-l*|*.so' $@)

  897.     libs=$(filter '-l*|*.so' $@)

  898.     check_$type $($cflags_filter $flags) || return

  899.     flags=$($ldflags_filter $flags)

  900.     libs=$($ldflags_filter $libs)

  901.     check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs

  902. }

  903. 

  904. print_include(){

  905.     hdr=$1

  906.     test "${hdr%.h}" = "${hdr}" &&

  907.         echo "#include $hdr"    ||

  908.         echo "#include <$hdr>"

  909. }

  910. 

  911. check_code(){

  912.     log check_code "$@"

  913.     check=$1

  914.     headers=$2

  915.     code=$3

  916.     shift 3

  917.     {

  918.         for hdr in $headers; do

  919.             print_include $hdr

  920.         done

  921.         echo "int main(void) { $code; return 0; }"

  922.     } | check_$check "$@"

  923. }

  924. 

  925. check_cppflags(){

  926.     log check_cppflags "$@"

  927.     check_cc "$@" <<EOF && append CPPFLAGS "$@"

  928. int x;

  929. EOF

  930. }

  931. 

  932. test_cflags(){

  933.     log test_cflags "$@"

  934.     set -- $($cflags_filter "$@")

  935.     check_cc "$@" <<EOF

  936. int x;

  937. EOF

  938. }

  939. 

  940. check_cflags(){

  941.     log check_cflags "$@"

  942.     test_cflags "$@" && add_cflags "$@"

  943. }

  944. 

  945. check_cxxflags(){

  946.     log check_cxxflags "$@"

  947.     set -- $($cflags_filter "$@")

  948.     check_cxx "$@" <<EOF && append CXXFLAGS "$@"

  949. int x;

  950. EOF

  951. }

  952. 

  953. test_ldflags(){

  954.     log test_ldflags "$@"

  955.     check_ld "cc" "$@" <<EOF

  956. int main(void){ return 0; }

  957. EOF

  958. }

  959. 

  960. check_ldflags(){

  961.     log check_ldflags "$@"

  962.     test_ldflags "$@" && add_ldflags "$@"

  963. }

  964. 

  965. test_stripflags(){

  966.     log test_stripflags "$@"

  967.     # call check_cc to get a fresh TMPO

  968.     check_cc <<EOF

  969. int main(void) { return 0; }

  970. EOF

  971.     check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO

  972. }

  973. 

  974. check_stripflags(){

  975.     log check_stripflags "$@"

  976.     test_stripflags "$@" && add_stripflags "$@"

  977. }

  978. 

  979. check_header(){

  980.     log check_header "$@"

  981.     header=$1

  982.     shift

  983.     disable_safe $header

  984.     check_cpp "$@" <<EOF && enable_safe $header

  985. #include <$header>

  986. int x;

  987. EOF

  988. }

  989. 

  990. check_header_oc(){

  991.     log check_header_oc "$@"

  992.     rm -f -- "$TMPO"

  993.     header=$1

  994.     shift

  995.     disable_safe $header

  996.     {

  997.        echo "#include <$header>"

  998.        echo "int main(void) { return 0; }"

  999.     } | check_oc && check_stat "$TMPO" && enable_safe $headers

  1000. }

  1001. 

  1002. check_func(){

  1003.     log check_func "$@"

  1004.     func=$1

  1005.     shift

  1006.     disable $func

  1007.     check_ld "cc" "$@" <<EOF && enable $func

  1008. extern int $func();

  1009. int main(void){ $func(); }

  1010. EOF

  1011. }

  1012. 

  1013. check_mathfunc(){

  1014.     log check_mathfunc "$@"

  1015.     func=$1

  1016.     narg=$2

  1017.     shift 2

  1018.     test $narg = 2 && args="f, g" || args="f"

  1019.     disable $func

  1020.     check_ld "cc" "$@" <<EOF && enable $func

  1021. #include <math.h>

  1022. float foo(float f, float g) { return $func($args); }

  1023. int main(void){ return (int) foo; }

  1024. EOF

  1025. }

  1026. 

  1027. check_func_headers(){

  1028.     log check_func_headers "$@"

  1029.     headers=$1

  1030.     funcs=$2

  1031.     shift 2

  1032.     {

  1033.         for hdr in $headers; do

  1034.             print_include $hdr

  1035.         done

  1036.         for func in $funcs; do

  1037.             echo "long check_$func(void) { return (long) $func; }"

  1038.         done

  1039.         echo "int main(void) { return 0; }"

  1040.     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers

  1041. }

  1042. 

  1043. check_class_headers_cpp(){

  1044.     log check_class_headers_cpp "$@"

  1045.     headers=$1

  1046.     classes=$2

  1047.     shift 2

  1048.     {

  1049.         for hdr in $headers; do

  1050.             echo "#include <$hdr>"

  1051.         done

  1052.         echo "int main(void) { "

  1053.         i=1

  1054.         for class in $classes; do

  1055.             echo "$class obj$i;"

  1056.             i=$(expr $i + 1)

  1057.         done

  1058.         echo "return 0; }"

  1059.     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers

  1060. }

  1061. 

  1062. check_cpp_condition(){

  1063.     log check_cpp_condition "$@"

  1064.     header=$1

  1065.     condition=$2

  1066.     shift 2

  1067.     check_cpp "$@" <<EOF

  1068. #include <$header>

  1069. #if !($condition)

  1070. #error "unsatisfied condition: $condition"

  1071. #endif

  1072. EOF

  1073. }

  1074. 

  1075. check_lib(){

  1076.     log check_lib "$@"

  1077.     header="$1"

  1078.     func="$2"

  1079.     shift 2

  1080.     check_header $header && check_func $func "$@" && add_extralibs "$@"

  1081. }

  1082. 

  1083. check_lib2(){

  1084.     log check_lib2 "$@"

  1085.     headers="$1"

  1086.     funcs="$2"

  1087.     shift 2

  1088.     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"

  1089. }

  1090. 

  1091. check_lib_cpp(){

  1092.     log check_lib_cpp "$@"

  1093.     headers="$1"

  1094.     classes="$2"

  1095.     shift 2

  1096.     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"

  1097. }

  1098. 

  1099. check_pkg_config(){

  1100.     log check_pkg_config "$@"

  1101.     pkgandversion="$1"

  1102.     pkg="${1%% *}"

  1103.     headers="$2"

  1104.     funcs="$3"

  1105.     shift 3

  1106.     check_cmd $pkg_config --exists --print-errors $pkgandversion || return

  1107.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1108.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1109.     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&

  1110.         set_safe ${pkg}_cflags $pkg_cflags   &&

  1111.         set_safe ${pkg}_libs   $pkg_libs

  1112. }

  1113. 

  1114. check_exec(){

  1115.     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }

  1116. }

  1117. 

  1118. check_exec_crash(){

  1119.     code=$(cat)

  1120. 

  1121.     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)

  1122.     # are safe but may not be available everywhere.  Thus we use

  1123.     # raise(SIGTERM) instead.  The check is run in a subshell so we

  1124.     # can redirect the "Terminated" message from the shell.  SIGBUS

  1125.     # is not defined by standard C so it is used conditionally.

  1126. 

  1127.     (check_exec "$@") >> $logfile 2>&1 <<EOF

  1128. #include <signal.h>

  1129. static void sighandler(int sig){

  1130.     raise(SIGTERM);

  1131. }

  1132. int foo(void){

  1133.     $code

  1134. }

  1135. int (*func_ptr)(void) = foo;

  1136. int main(void){

  1137.     signal(SIGILL, sighandler);

  1138.     signal(SIGFPE, sighandler);

  1139.     signal(SIGSEGV, sighandler);

  1140. #ifdef SIGBUS

  1141.     signal(SIGBUS, sighandler);

  1142. #endif

  1143.     return func_ptr();

  1144. }

  1145. EOF

  1146. }

  1147. 

  1148. check_type(){

  1149.     log check_type "$@"

  1150.     headers=$1

  1151.     type=$2

  1152.     shift 2

  1153.     disable_safe "$type"

  1154.     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"

  1155. }

  1156. 

  1157. check_struct(){

  1158.     log check_struct "$@"

  1159.     headers=$1

  1160.     struct=$2

  1161.     member=$3

  1162.     shift 3

  1163.     disable_safe "${struct}_${member}"

  1164.     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&

  1165.         enable_safe "${struct}_${member}"

  1166. }

  1167. 

  1168. check_builtin(){

  1169.     log check_builtin "$@"

  1170.     name=$1

  1171.     headers=$2

  1172.     builtin=$3

  1173.     shift 3

  1174.     disable "$name"

  1175.     check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"

  1176. }

  1177. 

  1178. check_compile_assert(){

  1179.     log check_compile_assert "$@"

  1180.     name=$1

  1181.     headers=$2

  1182.     condition=$3

  1183.     shift 3

  1184.     disable "$name"

  1185.     check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"

  1186. }

  1187. 

  1188. require(){

  1189.     name="$1"

  1190.     header="$2"

  1191.     func="$3"

  1192.     shift 3

  1193.     check_lib $header $func "$@" || die "ERROR: $name not found"

  1194. }

  1195. 

  1196. require2(){

  1197.     name="$1"

  1198.     headers="$2"

  1199.     func="$3"

  1200.     shift 3

  1201.     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"

  1202. }

  1203. 

  1204. require_cpp(){

  1205.     name="$1"

  1206.     headers="$2"

  1207.     classes="$3"

  1208.     shift 3

  1209.     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"

  1210. }

  1211. 

  1212. use_pkg_config(){

  1213.     pkg="$1"

  1214.     check_pkg_config "$@" || return 1

  1215.     add_cflags    $(get_safe ${pkg}_cflags)

  1216.     add_extralibs $(get_safe ${pkg}_libs)

  1217. }

  1218. 

  1219. require_pkg_config(){

  1220.     use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"

  1221. }

  1222. 

  1223. require_libfreetype(){

  1224.     log require_libfreetype "$@"

  1225.     pkg="freetype2"

  1226.     check_cmd $pkg_config --exists --print-errors $pkg \

  1227.       || die "ERROR: $pkg not found"

  1228.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1229.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1230.     {

  1231.         echo "#include <ft2build.h>"

  1232.         echo "#include FT_FREETYPE_H"

  1233.         echo "long check_func(void) { return (long) FT_Init_FreeType; }"

  1234.         echo "int main(void) { return 0; }"

  1235.     } | check_ld "cc" $pkg_cflags $pkg_libs \

  1236.       && set_safe ${pkg}_cflags $pkg_cflags \

  1237.       && set_safe ${pkg}_libs   $pkg_libs \

  1238.       || die "ERROR: $pkg not found"

  1239.     add_cflags    $(get_safe ${pkg}_cflags)

  1240.     add_extralibs $(get_safe ${pkg}_libs)

  1241. }

  1242. 

  1243. hostcc_e(){

  1244.     eval printf '%s\\n' $HOSTCC_E

  1245. }

  1246. 

  1247. hostcc_o(){

  1248.     eval printf '%s\\n' $HOSTCC_O

  1249. }

  1250. 

  1251. check_host_cc(){

  1252.     log check_host_cc "$@"

  1253.     cat > $TMPC

  1254.     log_file $TMPC

  1255.     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC

  1256. }

  1257. 

  1258. check_host_cpp(){

  1259.     log check_host_cpp "$@"

  1260.     cat > $TMPC

  1261.     log_file $TMPC

  1262.     check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC

  1263. }

  1264. 

  1265. check_host_cppflags(){

  1266.     log check_host_cppflags "$@"

  1267.     check_host_cc "$@" <<EOF && append host_cppflags "$@"

  1268. int x;

  1269. EOF

  1270. }

  1271. 

  1272. check_host_cflags(){

  1273.     log check_host_cflags "$@"

  1274.     set -- $($host_cflags_filter "$@")

  1275.     check_host_cc "$@" <<EOF && append host_cflags "$@"

  1276. int x;

  1277. EOF

  1278. }

  1279. 

  1280. check_host_cpp_condition(){

  1281.     log check_host_cpp_condition "$@"

  1282.     header=$1

  1283.     condition=$2

  1284.     shift 2

  1285.     check_host_cpp "$@" <<EOF

  1286. #include <$header>

  1287. #if !($condition)

  1288. #error "unsatisfied condition: $condition"

  1289. #endif

  1290. EOF

  1291. }

  1292. 

  1293. apply(){

  1294.     file=$1

  1295.     shift

  1296.     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"

  1297. }

  1298. 

  1299. cp_if_changed(){

  1300.     cmp -s "$1" "$2" && echo "$2 is unchanged" && return

  1301.     mkdir -p "$(dirname $2)"

  1302.     $cp_f "$1" "$2"

  1303. }

  1304. 

  1305. # CONFIG_LIST contains configurable options, while HAVE_LIST is for

  1306. # system-dependent things.

  1307. 

  1308. COMPONENT_LIST="

  1309.     bsfs

  1310.     decoders

  1311.     demuxers

  1312.     encoders

  1313.     filters

  1314.     hwaccels

  1315.     indevs

  1316.     muxers

  1317.     outdevs

  1318.     parsers

  1319.     protocols

  1320. "

  1321. 

  1322. EXAMPLE_LIST="

  1323.     avio_reading_example

  1324.     decoding_encoding_example

  1325.     demuxing_decoding_example

  1326.     extract_mvs_example

  1327.     filter_audio_example

  1328.     filtering_audio_example

  1329.     filtering_video_example

  1330.     metadata_example

  1331.     muxing_example

  1332.     qsvdec_example

  1333.     remuxing_example

  1334.     resampling_audio_example

  1335.     scaling_video_example

  1336.     transcode_aac_example

  1337.     transcoding_example

  1338. "

  1339. 

  1340. EXTERNAL_LIBRARY_LIST="

  1341.     avisynth

  1342.     bzlib

  1343.     crystalhd

  1344.     decklink

  1345.     frei0r

  1346.     gnutls

  1347.     iconv

  1348.     ladspa

  1349.     libaacplus

  1350.     libass

  1351.     libbluray

  1352.     libbs2b

  1353.     libcaca

  1354.     libcdio

  1355.     libcelt

  1356.     libdc1394

  1357.     libfaac

  1358.     libfdk_aac

  1359.     libflite

  1360.     libfontconfig

  1361.     libfreetype

  1362.     libfribidi

  1363.     libgme

  1364.     libgsm

  1365.     libiec61883

  1366.     libilbc

  1367.     libmfx

  1368.     libmodplug

  1369.     libmp3lame

  1370.     libnut

  1371.     libopencore_amrnb

  1372.     libopencore_amrwb

  1373.     libopencv

  1374.     libopenh264

  1375.     libopenjpeg

  1376.     libopus

  1377.     libpulse

  1378.     libquvi

  1379.     librtmp

  1380.     libschroedinger

  1381.     libshine

  1382.     libsmbclient

  1383.     libsoxr

  1384.     libspeex

  1385.     libssh

  1386.     libstagefright_h264

  1387.     libtheora

  1388.     libtwolame

  1389.     libutvideo

  1390.     libv4l2

  1391.     libvidstab

  1392.     libvo_aacenc

  1393.     libvo_amrwbenc

  1394.     libvorbis

  1395.     libvpx

  1396.     libwavpack

  1397.     libwebp

  1398.     libx264

  1399.     libx265

  1400.     libxavs

  1401.     libxcb

  1402.     libxcb_shm

  1403.     libxcb_shape

  1404.     libxcb_xfixes

  1405.     libxvid

  1406.     libzmq

  1407.     libzvbi

  1408.     lzma

  1409.     nvenc

  1410.     openal

  1411.     opencl

  1412.     opengl

  1413.     openssl

  1414.     sdl

  1415.     x11grab

  1416.     xlib

  1417.     zlib

  1418. "

  1419. 

  1420. DOCUMENT_LIST="

  1421.     doc

  1422.     htmlpages

  1423.     manpages

  1424.     podpages

  1425.     txtpages

  1426. "

  1427. 

  1428. FEATURE_LIST="

  1429.     ftrapv

  1430.     gray

  1431.     hardcoded_tables

  1432.     runtime_cpudetect

  1433.     safe_bitstream_reader

  1434.     shared

  1435.     small

  1436.     static

  1437.     swscale_alpha

  1438. "

  1439. 

  1440. HWACCEL_LIST="

  1441.     dxva2

  1442.     vaapi

  1443.     vda

  1444.     vdpau

  1445.     xvmc

  1446. "

  1447. 

  1448. LIBRARY_LIST="

  1449.     avcodec

  1450.     avdevice

  1451.     avfilter

  1452.     avformat

  1453.     avresample

  1454.     avutil

  1455.     postproc

  1456.     swresample

  1457.     swscale

  1458. "

  1459. 

  1460. LICENSE_LIST="

  1461.     gpl

  1462.     nonfree

  1463.     version3

  1464. "

  1465. 

  1466. PROGRAM_LIST="

  1467.     ffplay

  1468.     ffprobe

  1469.     ffserver

  1470.     ffmpeg

  1471. "

  1472. 

  1473. SUBSYSTEM_LIST="

  1474.     dct

  1475.     dwt

  1476.     error_resilience

  1477.     faan

  1478.     fast_unaligned

  1479.     fft

  1480.     lsp

  1481.     lzo

  1482.     mdct

  1483.     pixelutils

  1484.     network

  1485.     qsv

  1486.     rdft

  1487. "

  1488. 

  1489. CONFIG_LIST="

  1490.     $COMPONENT_LIST

  1491.     $DOCUMENT_LIST

  1492.     $EXAMPLE_LIST

  1493.     $EXTERNAL_LIBRARY_LIST

  1494.     $FEATURE_LIST

  1495.     $HWACCEL_LIST

  1496.     $LICENSE_LIST

  1497.     $LIBRARY_LIST

  1498.     $PROGRAM_LIST

  1499.     $SUBSYSTEM_LIST

  1500.     fontconfig

  1501.     incompatible_libav_abi

  1502.     memalign_hack

  1503.     memory_poisoning

  1504.     neon_clobber_test

  1505.     pic

  1506.     pod2man

  1507.     raise_major

  1508.     thumb

  1509.     xmm_clobber_test

  1510. "

  1511. 

  1512. THREADS_LIST="

  1513.     pthreads

  1514.     os2threads

  1515.     w32threads

  1516. "

  1517. 

  1518. ATOMICS_LIST="

  1519.     atomics_gcc

  1520.     atomics_suncc

  1521.     atomics_win32

  1522. "

  1523. 

  1524. ARCH_LIST="

  1525.     aarch64

  1526.     alpha

  1527.     arm

  1528.     avr32

  1529.     avr32_ap

  1530.     avr32_uc

  1531.     bfin

  1532.     ia64

  1533.     m68k

  1534.     mips

  1535.     mips64

  1536.     parisc

  1537.     ppc

  1538.     ppc64

  1539.     s390

  1540.     sh4

  1541.     sparc

  1542.     sparc64

  1543.     tilegx

  1544.     tilepro

  1545.     tomi

  1546.     x86

  1547.     x86_32

  1548.     x86_64

  1549. "

  1550. 

  1551. ARCH_EXT_LIST_ARM="

  1552.     armv5te

  1553.     armv6

  1554.     armv6t2

  1555.     armv8

  1556.     neon

  1557.     vfp

  1558.     vfpv3

  1559.     setend

  1560. "

  1561. 

  1562. ARCH_EXT_LIST_MIPS="

  1563.     mipsfpu

  1564.     mips32r2

  1565.     mipsdspr1

  1566.     mipsdspr2

  1567. "

  1568. 

  1569. ARCH_EXT_LIST_X86_SIMD="

  1570.     amd3dnow

  1571.     amd3dnowext

  1572.     avx

  1573.     avx2

  1574.     fma3

  1575.     fma4

  1576.     mmx

  1577.     mmxext

  1578.     sse

  1579.     sse2

  1580.     sse3

  1581.     sse4

  1582.     sse42

  1583.     ssse3

  1584.     xop

  1585. "

  1586. 

  1587. ARCH_EXT_LIST_PPC="

  1588.     altivec

  1589.     dcbzl

  1590.     ldbrx

  1591.     ppc4xx

  1592.     vsx

  1593. "

  1594. 

  1595. ARCH_EXT_LIST_X86="

  1596.     $ARCH_EXT_LIST_X86_SIMD

  1597.     cpunop

  1598.     i686

  1599. "

  1600. 

  1601. ARCH_EXT_LIST="

  1602.     $ARCH_EXT_LIST_ARM

  1603.     $ARCH_EXT_LIST_PPC

  1604.     $ARCH_EXT_LIST_X86

  1605.     $ARCH_EXT_LIST_MIPS

  1606.     loongson

  1607. "

  1608. 

  1609. ARCH_FEATURES="

  1610.     aligned_stack

  1611.     fast_64bit

  1612.     fast_clz

  1613.     fast_cmov

  1614.     local_aligned_8

  1615.     local_aligned_16

  1616.     local_aligned_32

  1617.     simd_align_16

  1618. "

  1619. 

  1620. BUILTIN_LIST="

  1621.     atomic_cas_ptr

  1622.     atomic_compare_exchange

  1623.     machine_rw_barrier

  1624.     MemoryBarrier

  1625.     mm_empty

  1626.     rdtsc

  1627.     sarestart

  1628.     sync_val_compare_and_swap

  1629. "

  1630. HAVE_LIST_CMDLINE="

  1631.     inline_asm

  1632.     symver

  1633.     yasm

  1634. "

  1635. 

  1636. HAVE_LIST_PUB="

  1637.     bigendian

  1638.     fast_unaligned

  1639.     incompatible_libav_abi

  1640. "

  1641. 

  1642. HEADERS_LIST="

  1643.     alsa_asoundlib_h

  1644.     altivec_h

  1645.     arpa_inet_h

  1646.     asm_types_h

  1647.     cdio_paranoia_h

  1648.     cdio_paranoia_paranoia_h

  1649.     dev_bktr_ioctl_bt848_h

  1650.     dev_bktr_ioctl_meteor_h

  1651.     dev_ic_bt8xx_h

  1652.     dev_video_bktr_ioctl_bt848_h

  1653.     dev_video_meteor_ioctl_meteor_h

  1654.     direct_h

  1655.     dlfcn_h

  1656.     dxva_h

  1657.     ES2_gl_h

  1658.     gsm_h

  1659.     io_h

  1660.     mach_mach_time_h

  1661.     machine_ioctl_bt848_h

  1662.     machine_ioctl_meteor_h

  1663.     malloc_h

  1664.     openjpeg_1_5_openjpeg_h

  1665.     OpenGL_gl3_h

  1666.     poll_h

  1667.     sndio_h

  1668.     soundcard_h

  1669.     sys_mman_h

  1670.     sys_param_h

  1671.     sys_resource_h

  1672.     sys_select_h

  1673.     sys_soundcard_h

  1674.     sys_time_h

  1675.     sys_un_h

  1676.     sys_videoio_h

  1677.     termios_h

  1678.     udplite_h

  1679.     unistd_h

  1680.     windows_h

  1681.     winsock2_h

  1682. "

  1683. 

  1684. INTRINSICS_LIST="

  1685.     intrinsics_neon

  1686. "

  1687. 

  1688. MATH_FUNCS="

  1689.     atanf

  1690.     atan2f

  1691.     cbrt

  1692.     cbrtf

  1693.     cosf

  1694.     exp2

  1695.     exp2f

  1696.     expf

  1697.     isinf

  1698.     isnan

  1699.     ldexpf

  1700.     llrint

  1701.     llrintf

  1702.     log2

  1703.     log2f

  1704.     log10f

  1705.     lrint

  1706.     lrintf

  1707.     powf

  1708.     rint

  1709.     round

  1710.     roundf

  1711.     sinf

  1712.     trunc

  1713.     truncf

  1714. "

  1715. 

  1716. SYSTEM_FUNCS="

  1717.     access

  1718.     aligned_malloc

  1719.     clock_gettime

  1720.     closesocket

  1721.     CommandLineToArgvW

  1722.     CoTaskMemFree

  1723.     CryptGenRandom

  1724.     dlopen

  1725.     fcntl

  1726.     flt_lim

  1727.     fork

  1728.     getaddrinfo

  1729.     gethrtime

  1730.     getopt

  1731.     GetProcessAffinityMask

  1732.     GetProcessMemoryInfo

  1733.     GetProcessTimes

  1734.     getrusage

  1735.     getservbyport

  1736.     GetSystemTimeAsFileTime

  1737.     gettimeofday

  1738.     glob

  1739.     glXGetProcAddress

  1740.     gmtime_r

  1741.     inet_aton

  1742.     isatty

  1743.     jack_port_get_latency_range

  1744.     kbhit

  1745.     localtime_r

  1746.     lzo1x_999_compress

  1747.     mach_absolute_time

  1748.     MapViewOfFile

  1749.     memalign

  1750.     mkstemp

  1751.     mmap

  1752.     mprotect

  1753.     nanosleep

  1754.     PeekNamedPipe

  1755.     posix_memalign

  1756.     pthread_cancel

  1757.     sched_getaffinity

  1758.     SetConsoleTextAttribute

  1759.     setmode

  1760.     setrlimit

  1761.     Sleep

  1762.     strerror_r

  1763.     sysconf

  1764.     sysctl

  1765.     usleep

  1766.     VirtualAlloc

  1767.     wglGetProcAddress

  1768. "

  1769. 

  1770. TOOLCHAIN_FEATURES="

  1771.     as_dn_directive

  1772.     as_func

  1773.     asm_mod_q

  1774.     attribute_may_alias

  1775.     attribute_packed

  1776.     ebp_available

  1777.     ebx_available

  1778.     gnu_as

  1779.     gnu_windres

  1780.     ibm_asm

  1781.     inline_asm_labels

  1782.     inline_asm_nonlocal_labels

  1783.     inline_asm_direct_symbol_refs

  1784.     pragma_deprecated

  1785.     rsync_contimeout

  1786.     symver_asm_label

  1787.     symver_gnu_asm

  1788.     vfp_args

  1789.     xform_asm

  1790.     xmm_clobbers

  1791. "

  1792. 

  1793. TYPES_LIST="

  1794.     CONDITION_VARIABLE_Ptr

  1795.     DXVA_PicParams_HEVC

  1796.     socklen_t

  1797.     struct_addrinfo

  1798.     struct_group_source_req

  1799.     struct_ip_mreq_source

  1800.     struct_ipv6_mreq

  1801.     struct_pollfd

  1802.     struct_rusage_ru_maxrss

  1803.     struct_sctp_event_subscribe

  1804.     struct_sockaddr_in6

  1805.     struct_sockaddr_sa_len

  1806.     struct_sockaddr_storage

  1807.     struct_stat_st_mtim_tv_nsec

  1808.     struct_v4l2_frmivalenum_discrete

  1809. "

  1810. 

  1811. HAVE_LIST="

  1812.     $ARCH_EXT_LIST

  1813.     $(add_suffix _external $ARCH_EXT_LIST)

  1814.     $(add_suffix _inline   $ARCH_EXT_LIST)

  1815.     $ARCH_FEATURES

  1816.     $ATOMICS_LIST

  1817.     $BUILTIN_LIST

  1818.     $HAVE_LIST_CMDLINE

  1819.     $HAVE_LIST_PUB

  1820.     $HEADERS_LIST

  1821.     $INTRINSICS_LIST

  1822.     $MATH_FUNCS

  1823.     $SYSTEM_FUNCS

  1824.     $THREADS_LIST

  1825.     $TOOLCHAIN_FEATURES

  1826.     $TYPES_LIST

  1827.     atomics_native

  1828.     dos_paths

  1829.     dxva2api_cobj

  1830.     dxva2_lib

  1831.     libc_msvcrt

  1832.     libdc1394_1

  1833.     libdc1394_2

  1834.     makeinfo

  1835.     makeinfo_html

  1836.     perl

  1837.     pod2man

  1838.     sdl

  1839.     section_data_rel_ro

  1840.     texi2html

  1841.     threads

  1842.     vaapi_x11

  1843.     vdpau_x11

  1844.     xlib

  1845. "

  1846. 

  1847. # options emitted with CONFIG_ prefix but not available on the command line

  1848. CONFIG_EXTRA="

  1849.     aandcttables

  1850.     ac3dsp

  1851.     audio_frame_queue

  1852.     audiodsp

  1853.     blockdsp

  1854.     bswapdsp

  1855.     cabac

  1856.     dvprofile

  1857.     exif

  1858.     faandct

  1859.     faanidct

  1860.     fdctdsp

  1861.     fmtconvert

  1862.     frame_thread_encoder

  1863.     gcrypt

  1864.     golomb

  1865.     gplv3

  1866.     h263dsp

  1867.     h264chroma

  1868.     h264dsp

  1869.     h264pred

  1870.     h264qpel

  1871.     hpeldsp

  1872.     huffman

  1873.     huffyuvdsp

  1874.     huffyuvencdsp

  1875.     idctdsp

  1876.     iirfilter

  1877.     imdct15

  1878.     intrax8

  1879.     lgplv3

  1880.     llauddsp

  1881.     llviddsp

  1882.     lpc

  1883.     me_cmp

  1884.     mpeg_er

  1885.     mpegaudio

  1886.     mpegaudiodsp

  1887.     mpegvideo

  1888.     mpegvideoenc

  1889.     nettle

  1890.     pixblockdsp

  1891.     qpeldsp

  1892.     rangecoder

  1893.     riffdec

  1894.     riffenc

  1895.     rtpdec

  1896.     rtpenc_chain

  1897.     sinewin

  1898.     startcode

  1899.     tpeldsp

  1900.     videodsp

  1901.     vp3dsp

  1902.     wma_freqs

  1903. "

  1904. 

  1905. CMDLINE_SELECT="

  1906.     $ARCH_EXT_LIST

  1907.     $CONFIG_LIST

  1908.     $HAVE_LIST_CMDLINE

  1909.     $THREADS_LIST

  1910.     asm

  1911.     cross_compile

  1912.     debug

  1913.     extra_warnings

  1914.     logging

  1915.     lto

  1916.     optimizations

  1917.     rpath

  1918.     stripping

  1919. "

  1920. 

  1921. PATHS_LIST="

  1922.     bindir

  1923.     datadir

  1924.     docdir

  1925.     incdir

  1926.     libdir

  1927.     mandir

  1928.     prefix

  1929.     shlibdir

  1930. "

  1931. 

  1932. CMDLINE_SET="

  1933.     $PATHS_LIST

  1934.     ar

  1935.     arch

  1936.     as

  1937.     assert_level

  1938.     build_suffix

  1939.     cc

  1940.     cpu

  1941.     cross_prefix

  1942.     cxx

  1943.     dep_cc

  1944.     doxygen

  1945.     extra_version

  1946.     gas

  1947.     host_cc

  1948.     host_cflags

  1949.     host_ld

  1950.     host_ldflags

  1951.     host_libs

  1952.     host_os

  1953.     install

  1954.     ld

  1955.     logfile

  1956.     malloc_prefix

  1957.     nm

  1958.     optflags

  1959.     pkg_config

  1960.     pkg_config_flags

  1961.     progs_suffix

  1962.     random_seed

  1963.     ranlib

  1964.     samples

  1965.     strip

  1966.     sws_max_filter_size

  1967.     sysinclude

  1968.     sysroot

  1969.     target_exec

  1970.     target_os

  1971.     target_path

  1972.     target_samples

  1973.     tempprefix

  1974.     toolchain

  1975.     valgrind

  1976.     yasmexe

  1977. "

  1978. 

  1979. CMDLINE_APPEND="

  1980.     extra_cflags

  1981.     extra_cxxflags

  1982.     host_cppflags

  1983. "

  1984. 

  1985. # code dependency declarations

  1986. 

  1987. # architecture extensions

  1988. 

  1989. armv5te_deps="arm"

  1990. armv6_deps="arm"

  1991. armv6t2_deps="arm"

  1992. armv8_deps="aarch64"

  1993. neon_deps_any="aarch64 arm"

  1994. intrinsics_neon_deps="neon"

  1995. vfp_deps_any="aarch64 arm"

  1996. vfpv3_deps="vfp"

  1997. setend_deps="arm"

  1998. 

  1999. map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM

  2000. 

  2001. mipsfpu_deps="mips"

  2002. mips32r2_deps="mips"

  2003. mipsdspr1_deps="mips"

  2004. mipsdspr2_deps="mips"

  2005. 

  2006. altivec_deps="ppc"

  2007. ppc4xx_deps="ppc"

  2008. vsx_deps="ppc"

  2009. 

  2010. cpunop_deps="i686"

  2011. x86_64_select="i686"

  2012. x86_64_suggest="fast_cmov"

  2013. 

  2014. amd3dnow_deps="mmx"

  2015. amd3dnowext_deps="amd3dnow"

  2016. i686_deps="x86"

  2017. mmx_deps="x86"

  2018. mmxext_deps="mmx"

  2019. sse_deps="mmxext"

  2020. sse2_deps="sse"

  2021. sse3_deps="sse2"

  2022. ssse3_deps="sse3"

  2023. sse4_deps="ssse3"

  2024. sse42_deps="sse4"

  2025. avx_deps="sse42"

  2026. xop_deps="avx"

  2027. fma3_deps="avx"

  2028. fma4_deps="avx"

  2029. avx2_deps="avx"

  2030. 

  2031. mmx_external_deps="yasm"

  2032. mmx_inline_deps="inline_asm"

  2033. mmx_suggest="mmx_external mmx_inline"

  2034. 

  2035. for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do

  2036.     eval dep=\$${ext}_deps

  2037.     eval ${ext}_external_deps='"${dep}_external"'

  2038.     eval ${ext}_inline_deps='"${dep}_inline"'

  2039.     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'

  2040. done

  2041. 

  2042. aligned_stack_if_any="aarch64 ppc x86"

  2043. fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"

  2044. fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"

  2045. fast_unaligned_if_any="aarch64 ppc x86"

  2046. simd_align_16_if_any="altivec neon sse"

  2047. 

  2048. # system capabilities

  2049. 

  2050. symver_if_any="symver_asm_label symver_gnu_asm"

  2051. 

  2052. # threading support

  2053. atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"

  2054. atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"

  2055. atomics_win32_if="MemoryBarrier"

  2056. atomics_native_if_any="$ATOMICS_LIST"

  2057. w32threads_deps="atomics_native"

  2058. threads_if_any="$THREADS_LIST"

  2059. 

  2060. # subsystems

  2061. dct_select="rdft"

  2062. error_resilience_select="me_cmp"

  2063. faandct_deps="faan fdctdsp"

  2064. faanidct_deps="faan idctdsp"

  2065. frame_thread_encoder_deps="encoders threads"

  2066. intrax8_select="error_resilience"

  2067. mdct_select="fft"

  2068. rdft_select="fft"

  2069. me_cmp_select="fdctdsp idctdsp pixblockdsp"

  2070. mpeg_er_select="error_resilience"

  2071. mpegaudio_select="mpegaudiodsp"

  2072. mpegaudiodsp_select="dct"

  2073. mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp videodsp"

  2074. mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"

  2075. 

  2076. # decoders / encoders

  2077. aac_decoder_select="imdct15 mdct sinewin"

  2078. aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"

  2079. aac_latm_decoder_select="aac_decoder aac_latm_parser"

  2080. ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"

  2081. ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"

  2082. ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2083. ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2084. aic_decoder_select="golomb idctdsp"

  2085. alac_encoder_select="lpc"

  2086. als_decoder_select="bswapdsp"

  2087. amrnb_decoder_select="lsp"

  2088. amrwb_decoder_select="lsp"

  2089. amv_decoder_select="sp5x_decoder exif"

  2090. amv_encoder_select="aandcttables mpegvideoenc"

  2091. ape_decoder_select="bswapdsp llauddsp"

  2092. apng_decoder_select="zlib"

  2093. asv1_decoder_select="blockdsp bswapdsp idctdsp"

  2094. asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2095. asv2_decoder_select="blockdsp bswapdsp idctdsp"

  2096. asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2097. atrac1_decoder_select="mdct sinewin"

  2098. atrac3_decoder_select="mdct"

  2099. atrac3p_decoder_select="mdct sinewin"

  2100. avrn_decoder_select="exif"

  2101. bink_decoder_select="blockdsp hpeldsp"

  2102. binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"

  2103. binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"

  2104. cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"

  2105. cllc_decoder_select="bswapdsp"

  2106. comfortnoise_encoder_select="lpc"

  2107. cook_decoder_select="audiodsp mdct sinewin"

  2108. cscd_decoder_select="lzo"

  2109. cscd_decoder_suggest="zlib"

  2110. dca_decoder_select="fmtconvert mdct"

  2111. dirac_decoder_select="dwt golomb videodsp mpegvideoenc"

  2112. dnxhd_decoder_select="blockdsp idctdsp"

  2113. dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"

  2114. dvvideo_decoder_select="dvprofile idctdsp"

  2115. dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"

  2116. dxa_decoder_select="zlib"

  2117. eac3_decoder_select="ac3_decoder"

  2118. eac3_encoder_select="ac3_encoder"

  2119. eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"

  2120. eatgq_decoder_select="aandcttables"

  2121. eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"

  2122. exr_decoder_select="zlib"

  2123. ffv1_decoder_select="golomb rangecoder"

  2124. ffv1_encoder_select="rangecoder"

  2125. ffvhuff_decoder_select="huffyuv_decoder"

  2126. ffvhuff_encoder_select="huffyuv_encoder"

  2127. fic_decoder_select="golomb"

  2128. flac_decoder_select="golomb"

  2129. flac_encoder_select="bswapdsp golomb lpc"

  2130. flashsv_decoder_select="zlib"

  2131. flashsv_encoder_select="zlib"

  2132. flashsv2_encoder_select="zlib"

  2133. flashsv2_decoder_select="zlib"

  2134. flv_decoder_select="h263_decoder"

  2135. flv_encoder_select="h263_encoder"

  2136. fourxm_decoder_select="blockdsp bswapdsp"

  2137. fraps_decoder_select="bswapdsp huffman"

  2138. g2m_decoder_select="blockdsp idctdsp zlib"

  2139. g729_decoder_select="audiodsp"

  2140. h261_decoder_select="mpeg_er mpegvideo"

  2141. h261_encoder_select="aandcttables mpegvideoenc"

  2142. h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"

  2143. h263_encoder_select="aandcttables h263dsp mpegvideoenc"

  2144. h263i_decoder_select="h263_decoder"

  2145. h263p_encoder_select="h263_encoder"

  2146. h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"

  2147. h264_decoder_suggest="error_resilience"

  2148. h264_qsv_decoder_deps="libmfx"

  2149. h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsv h264_qsv_hwaccel"

  2150. hevc_decoder_select="bswapdsp cabac golomb videodsp"

  2151. huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"

  2152. huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"

  2153. iac_decoder_select="imc_decoder"

  2154. imc_decoder_select="bswapdsp fft mdct sinewin"

  2155. indeo3_decoder_select="hpeldsp"

  2156. interplay_video_decoder_select="hpeldsp"

  2157. jpegls_decoder_select="golomb mjpeg_decoder"

  2158. jpegls_encoder_select="golomb"

  2159. jv_decoder_select="blockdsp"

  2160. lagarith_decoder_select="huffyuvdsp"

  2161. ljpeg_encoder_select="aandcttables idctdsp"

  2162. loco_decoder_select="golomb"

  2163. mdec_decoder_select="blockdsp idctdsp mpegvideo"

  2164. metasound_decoder_select="lsp mdct sinewin"

  2165. mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"

  2166. mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp"

  2167. mjpeg_encoder_select="aandcttables mpegvideoenc"

  2168. mjpegb_decoder_select="mjpeg_decoder"

  2169. mlp_decoder_select="mlp_parser"

  2170. motionpixels_decoder_select="bswapdsp"

  2171. mp1_decoder_select="mpegaudio"

  2172. mp1float_decoder_select="mpegaudio"

  2173. mp2_decoder_select="mpegaudio"

  2174. mp2float_decoder_select="mpegaudio"

  2175. mp3_decoder_select="mpegaudio"

  2176. mp3adu_decoder_select="mpegaudio"

  2177. mp3adufloat_decoder_select="mpegaudio"

  2178. mp3float_decoder_select="mpegaudio"

  2179. mp3on4_decoder_select="mpegaudio"

  2180. mp3on4float_decoder_select="mpegaudio"

  2181. mpc7_decoder_select="bswapdsp mpegaudiodsp"

  2182. mpc8_decoder_select="mpegaudiodsp"

  2183. mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"

  2184. mpeg_xvmc_decoder_select="mpeg2video_decoder"

  2185. mpegvideo_decoder_select="error_resilience mpeg_er mpegvideo"

  2186. mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"

  2187. mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2188. mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"

  2189. mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2190. mpeg4_decoder_select="h263_decoder mpeg4video_parser"

  2191. mpeg4_encoder_select="h263_encoder"

  2192. msmpeg4v1_decoder_select="h263_decoder"

  2193. msmpeg4v2_decoder_select="h263_decoder"

  2194. msmpeg4v2_encoder_select="h263_encoder"

  2195. msmpeg4v3_decoder_select="h263_decoder"

  2196. msmpeg4v3_encoder_select="h263_encoder"

  2197. mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"

  2198. mxpeg_decoder_select="mjpeg_decoder"

  2199. nellymoser_decoder_select="mdct sinewin"

  2200. nellymoser_encoder_select="audio_frame_queue mdct sinewin"

  2201. nuv_decoder_select="idctdsp lzo"

  2202. on2avc_decoder_select="mdct"

  2203. opus_decoder_deps="swresample"

  2204. opus_decoder_select="imdct15"

  2205. png_decoder_select="zlib"

  2206. png_encoder_select="huffyuvencdsp zlib"

  2207. prores_decoder_select="blockdsp idctdsp"

  2208. prores_encoder_select="fdctdsp"

  2209. qcelp_decoder_select="lsp"

  2210. qdm2_decoder_select="mdct rdft mpegaudiodsp"

  2211. ra_144_encoder_select="audio_frame_queue lpc audiodsp"

  2212. ra_144_decoder_select="audiodsp"

  2213. ralf_decoder_select="golomb"

  2214. rawvideo_decoder_select="bswapdsp"

  2215. rtjpeg_decoder_select="me_cmp"

  2216. rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"

  2217. rv10_encoder_select="h263_encoder"

  2218. rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"

  2219. rv20_encoder_select="h263_encoder"

  2220. rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"

  2221. rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"

  2222. shorten_decoder_select="golomb"

  2223. sipr_decoder_select="lsp"

  2224. snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"

  2225. snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"

  2226. sonic_decoder_select="golomb rangecoder"

  2227. sonic_encoder_select="golomb rangecoder"

  2228. sonic_ls_encoder_select="golomb rangecoder"

  2229. sp5x_decoder_select="mjpeg_decoder"

  2230. svq1_decoder_select="hpeldsp"

  2231. svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"

  2232. svq3_decoder_select="h264_decoder hpeldsp tpeldsp"

  2233. svq3_decoder_suggest="zlib"

  2234. tak_decoder_select="audiodsp"

  2235. theora_decoder_select="vp3_decoder"

  2236. thp_decoder_select="mjpeg_decoder"

  2237. tiff_decoder_suggest="zlib lzma"

  2238. tiff_encoder_suggest="zlib"

  2239. truehd_decoder_select="mlp_parser"

  2240. truemotion2_decoder_select="bswapdsp"

  2241. truespeech_decoder_select="bswapdsp"

  2242. tscc_decoder_select="zlib"

  2243. twinvq_decoder_select="mdct lsp sinewin"

  2244. utvideo_decoder_select="bswapdsp"

  2245. utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"

  2246. vble_decoder_select="huffyuvdsp"

  2247. vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"

  2248. vc1image_decoder_select="vc1_decoder"

  2249. vorbis_decoder_select="mdct"

  2250. vorbis_encoder_select="mdct"

  2251. vp3_decoder_select="hpeldsp vp3dsp videodsp"

  2252. vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"

  2253. vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"

  2254. vp6a_decoder_select="vp6_decoder"

  2255. vp6f_decoder_select="vp6_decoder"

  2256. vp7_decoder_select="h264pred videodsp"

  2257. vp8_decoder_select="h264pred videodsp"

  2258. vp9_decoder_select="videodsp vp9_parser"

  2259. webp_decoder_select="vp8_decoder"

  2260. wmalossless_decoder_select="llauddsp"

  2261. wmapro_decoder_select="mdct sinewin wma_freqs"

  2262. wmav1_decoder_select="mdct sinewin wma_freqs"

  2263. wmav1_encoder_select="mdct sinewin wma_freqs"

  2264. wmav2_decoder_select="mdct sinewin wma_freqs"

  2265. wmav2_encoder_select="mdct sinewin wma_freqs"

  2266. wmavoice_decoder_select="lsp rdft dct mdct sinewin"

  2267. wmv1_decoder_select="h263_decoder"

  2268. wmv1_encoder_select="h263_encoder"

  2269. wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp"

  2270. wmv2_encoder_select="h263_encoder"

  2271. wmv3_decoder_select="vc1_decoder"

  2272. wmv3image_decoder_select="wmv3_decoder"

  2273. zerocodec_decoder_select="zlib"

  2274. zlib_decoder_select="zlib"

  2275. zlib_encoder_select="zlib"

  2276. zmbv_decoder_select="zlib"

  2277. zmbv_encoder_select="zlib"

  2278. 

  2279. # hardware accelerators

  2280. crystalhd_deps="libcrystalhd_libcrystalhd_if_h"

  2281. dxva2_deps="dxva2api_h"

  2282. vaapi_deps="va_va_h"

  2283. vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"

  2284. vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"

  2285. vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"

  2286. xvmc_deps="X11_extensions_XvMClib_h"

  2287. 

  2288. h263_vaapi_hwaccel_deps="vaapi"

  2289. h263_vaapi_hwaccel_select="h263_decoder"

  2290. h263_vdpau_hwaccel_deps="vdpau"

  2291. h263_vdpau_hwaccel_select="h263_decoder"

  2292. h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"

  2293. h264_dxva2_hwaccel_deps="dxva2"

  2294. h264_dxva2_hwaccel_select="h264_decoder"

  2295. h264_qsv_hwaccel_deps="libmfx"

  2296. h264_vaapi_hwaccel_deps="vaapi"

  2297. h264_vaapi_hwaccel_select="h264_decoder"

  2298. h264_vda_decoder_deps="vda"

  2299. h264_vda_decoder_select="h264_decoder"

  2300. h264_vda_hwaccel_deps="vda"

  2301. h264_vda_hwaccel_select="h264_decoder"

  2302. h264_vda_old_hwaccel_deps="vda"

  2303. h264_vda_old_hwaccel_select="h264_decoder"

  2304. h264_vdpau_decoder_deps="vdpau"

  2305. h264_vdpau_decoder_select="h264_decoder"

  2306. h264_vdpau_hwaccel_deps="vdpau"

  2307. h264_vdpau_hwaccel_select="h264_decoder"

  2308. hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"

  2309. hevc_dxva2_hwaccel_select="hevc_decoder"

  2310. mpeg_vdpau_decoder_deps="vdpau"

  2311. mpeg_vdpau_decoder_select="mpeg2video_decoder"

  2312. mpeg_xvmc_hwaccel_deps="xvmc"

  2313. mpeg_xvmc_hwaccel_select="mpeg2video_decoder"

  2314. mpeg1_vdpau_decoder_deps="vdpau"

  2315. mpeg1_vdpau_decoder_select="mpeg1video_decoder"

  2316. mpeg1_vdpau_hwaccel_deps="vdpau"

  2317. mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"

  2318. mpeg1_xvmc_hwaccel_deps="xvmc"

  2319. mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"

  2320. mpeg2_crystalhd_decoder_select="crystalhd"

  2321. mpeg2_dxva2_hwaccel_deps="dxva2"

  2322. mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"

  2323. mpeg2_vaapi_hwaccel_deps="vaapi"

  2324. mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"

  2325. mpeg2_vdpau_hwaccel_deps="vdpau"

  2326. mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"

  2327. mpeg2_xvmc_hwaccel_deps="xvmc"

  2328. mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"

  2329. mpeg4_crystalhd_decoder_select="crystalhd"

  2330. mpeg4_vaapi_hwaccel_deps="vaapi"

  2331. mpeg4_vaapi_hwaccel_select="mpeg4_decoder"

  2332. mpeg4_vdpau_decoder_deps="vdpau"

  2333. mpeg4_vdpau_decoder_select="mpeg4_decoder"

  2334. mpeg4_vdpau_hwaccel_deps="vdpau"

  2335. mpeg4_vdpau_hwaccel_select="mpeg4_decoder"

  2336. msmpeg4_crystalhd_decoder_select="crystalhd"

  2337. vc1_crystalhd_decoder_select="crystalhd"

  2338. vc1_dxva2_hwaccel_deps="dxva2"

  2339. vc1_dxva2_hwaccel_select="vc1_decoder"

  2340. vc1_vaapi_hwaccel_deps="vaapi"

  2341. vc1_vaapi_hwaccel_select="vc1_decoder"

  2342. vc1_vdpau_decoder_deps="vdpau"

  2343. vc1_vdpau_decoder_select="vc1_decoder"

  2344. vc1_vdpau_hwaccel_deps="vdpau"

  2345. vc1_vdpau_hwaccel_select="vc1_decoder"

  2346. wmv3_crystalhd_decoder_select="crystalhd"

  2347. wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"

  2348. wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"

  2349. wmv3_vdpau_decoder_select="vc1_vdpau_decoder"

  2350. wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"

  2351. 

  2352. # parsers

  2353. h264_parser_select="h264_decoder"

  2354. hevc_parser_select="hevc_decoder"

  2355. mpegvideo_parser_select="mpegvideo"

  2356. mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"

  2357. vc1_parser_select="mpegvideo startcode vc1_decoder"

  2358. 

  2359. # external libraries

  2360. libaacplus_encoder_deps="libaacplus"

  2361. libcelt_decoder_deps="libcelt"

  2362. libfaac_encoder_deps="libfaac"

  2363. libfaac_encoder_select="audio_frame_queue"

  2364. libfdk_aac_decoder_deps="libfdk_aac"

  2365. libfdk_aac_encoder_deps="libfdk_aac"

  2366. libfdk_aac_encoder_select="audio_frame_queue"

  2367. libgme_demuxer_deps="libgme"

  2368. libgsm_decoder_deps="libgsm"

  2369. libgsm_encoder_deps="libgsm"

  2370. libgsm_ms_decoder_deps="libgsm"

  2371. libgsm_ms_encoder_deps="libgsm"

  2372. libilbc_decoder_deps="libilbc"

  2373. libilbc_encoder_deps="libilbc"

  2374. libmodplug_demuxer_deps="libmodplug"

  2375. libmp3lame_encoder_deps="libmp3lame"

  2376. libmp3lame_encoder_select="audio_frame_queue"

  2377. libopencore_amrnb_decoder_deps="libopencore_amrnb"

  2378. libopencore_amrnb_encoder_deps="libopencore_amrnb"

  2379. libopencore_amrnb_encoder_select="audio_frame_queue"

  2380. libopencore_amrwb_decoder_deps="libopencore_amrwb"

  2381. libopenh264_encoder_deps="libopenh264"

  2382. libopenjpeg_decoder_deps="libopenjpeg"

  2383. libopenjpeg_encoder_deps="libopenjpeg"

  2384. libopus_decoder_deps="libopus"

  2385. libopus_encoder_deps="libopus"

  2386. libopus_encoder_select="audio_frame_queue"

  2387. libquvi_demuxer_deps="libquvi"

  2388. libschroedinger_decoder_deps="libschroedinger"

  2389. libschroedinger_encoder_deps="libschroedinger"

  2390. libshine_encoder_deps="libshine"

  2391. libshine_encoder_select="audio_frame_queue"

  2392. libspeex_decoder_deps="libspeex"

  2393. libspeex_encoder_deps="libspeex"

  2394. libspeex_encoder_select="audio_frame_queue"

  2395. libstagefright_h264_decoder_deps="libstagefright_h264"

  2396. libtheora_encoder_deps="libtheora"

  2397. libtwolame_encoder_deps="libtwolame"

  2398. libvo_aacenc_encoder_deps="libvo_aacenc"

  2399. libvo_aacenc_encoder_select="audio_frame_queue"

  2400. libvo_amrwbenc_encoder_deps="libvo_amrwbenc"

  2401. libvorbis_decoder_deps="libvorbis"

  2402. libvorbis_encoder_deps="libvorbis"

  2403. libvorbis_encoder_select="audio_frame_queue"

  2404. libvpx_vp8_decoder_deps="libvpx"

  2405. libvpx_vp8_encoder_deps="libvpx"

  2406. libvpx_vp9_decoder_deps="libvpx"

  2407. libvpx_vp9_encoder_deps="libvpx"

  2408. libwavpack_encoder_deps="libwavpack"

  2409. libwebp_encoder_deps="libwebp"

  2410. libx264_encoder_deps="libx264"

  2411. libx264rgb_encoder_deps="libx264"

  2412. libx264rgb_encoder_select="libx264_encoder"

  2413. libx265_encoder_deps="libx265"

  2414. libxavs_encoder_deps="libxavs"

  2415. libxvid_encoder_deps="libxvid"

  2416. libutvideo_decoder_deps="libutvideo"

  2417. libutvideo_encoder_deps="libutvideo"

  2418. libzvbi_teletext_decoder_deps="libzvbi"

  2419. nvenc_encoder_deps="nvenc"

  2420. 

  2421. # demuxers / muxers

  2422. ac3_demuxer_select="ac3_parser"

  2423. asf_demuxer_select="riffdec"

  2424. asf_muxer_select="riffenc"

  2425. asf_stream_muxer_select="asf_muxer"

  2426. avi_demuxer_select="riffdec exif"

  2427. avi_muxer_select="riffenc"

  2428. avisynth_demuxer_deps="avisynth"

  2429. avisynth_demuxer_select="riffdec"

  2430. caf_demuxer_select="riffdec"

  2431. dash_muxer_select="mp4_muxer"

  2432. dirac_demuxer_select="dirac_parser"

  2433. dts_demuxer_select="dca_parser"

  2434. dtshd_demuxer_select="dca_parser"

  2435. dv_demuxer_select="dvprofile"

  2436. dv_muxer_select="dvprofile"

  2437. dxa_demuxer_select="riffdec"

  2438. eac3_demuxer_select="ac3_parser"

  2439. f4v_muxer_select="mov_muxer"

  2440. flac_demuxer_select="flac_parser"

  2441. hds_muxer_select="flv_muxer"

  2442. hls_muxer_select="mpegts_muxer"

  2443. image2_alias_pix_demuxer_select="image2_demuxer"

  2444. image2_brender_pix_demuxer_select="image2_demuxer"

  2445. ipod_muxer_select="mov_muxer"

  2446. ismv_muxer_select="mov_muxer"

  2447. libnut_demuxer_deps="libnut"

  2448. libnut_muxer_deps="libnut"

  2449. matroska_audio_muxer_select="matroska_muxer"

  2450. matroska_demuxer_select="riffdec"

  2451. matroska_demuxer_suggest="bzlib lzo zlib"

  2452. matroska_muxer_select="riffenc"

  2453. mmf_muxer_select="riffenc"

  2454. mov_demuxer_select="riffdec"

  2455. mov_demuxer_suggest="zlib"

  2456. mov_muxer_select="riffenc rtpenc_chain"

  2457. mp3_demuxer_select="mpegaudio_parser"

  2458. mp4_muxer_select="mov_muxer"

  2459. mpegts_muxer_select="adts_muxer latm_muxer"

  2460. mpegtsraw_demuxer_select="mpegts_demuxer"

  2461. mxf_d10_muxer_select="mxf_muxer"

  2462. mxf_opatom_muxer_select="mxf_muxer"

  2463. nut_muxer_select="riffenc"

  2464. nuv_demuxer_select="riffdec"

  2465. oga_muxer_select="ogg_muxer"

  2466. ogg_demuxer_select="golomb"

  2467. opus_muxer_select="ogg_muxer"

  2468. psp_muxer_select="mov_muxer"

  2469. rtp_demuxer_select="sdp_demuxer"

  2470. rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"

  2471. rtsp_demuxer_select="http_protocol rtpdec"

  2472. rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"

  2473. sap_demuxer_select="sdp_demuxer"

  2474. sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"

  2475. sdp_demuxer_select="rtpdec"

  2476. smoothstreaming_muxer_select="ismv_muxer"

  2477. spdif_muxer_select="aac_parser"

  2478. spx_muxer_select="ogg_muxer"

  2479. tak_demuxer_select="tak_parser"

  2480. tg2_muxer_select="mov_muxer"

  2481. tgp_muxer_select="mov_muxer"

  2482. vobsub_demuxer_select="mpegps_demuxer"

  2483. w64_demuxer_select="wav_demuxer"

  2484. w64_muxer_select="wav_muxer"

  2485. wav_demuxer_select="riffdec"

  2486. wav_muxer_select="riffenc"

  2487. webm_muxer_select="riffenc"

  2488. wtv_demuxer_select="riffdec"

  2489. wtv_muxer_select="riffenc"

  2490. xmv_demuxer_select="riffdec"

  2491. xwma_demuxer_select="riffdec"

  2492. 

  2493. # indevs / outdevs

  2494. alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"

  2495. alsa_outdev_deps="alsa_asoundlib_h"

  2496. avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia -framework CoreGraphics"

  2497. avfoundation_indev_select="avfoundation"

  2498. bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"

  2499. caca_outdev_deps="libcaca"

  2500. decklink_outdev_deps="decklink pthreads"

  2501. decklink_outdev_extralibs="-lstdc++"

  2502. decklink_indev_deps="decklink pthreads"

  2503. decklink_indev_extralibs="-lstdc++"

  2504. dshow_indev_deps="IBaseFilter"

  2505. dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32"

  2506. dv1394_indev_deps="dv1394"

  2507. dv1394_indev_select="dv_demuxer"

  2508. fbdev_indev_deps="linux_fb_h"

  2509. fbdev_outdev_deps="linux_fb_h"

  2510. gdigrab_indev_deps="CreateDIBSection"

  2511. gdigrab_indev_extralibs="-lgdi32"

  2512. gdigrab_indev_select="bmp_decoder"

  2513. iec61883_indev_deps="libiec61883"

  2514. jack_indev_deps="jack_jack_h sem_timedwait"

  2515. lavfi_indev_deps="avfilter"

  2516. libcdio_indev_deps="libcdio"

  2517. libdc1394_indev_deps="libdc1394"

  2518. libv4l2_indev_deps="libv4l2"

  2519. openal_indev_deps="openal"

  2520. opengl_outdev_deps="opengl"

  2521. oss_indev_deps_any="soundcard_h sys_soundcard_h"

  2522. oss_outdev_deps_any="soundcard_h sys_soundcard_h"

  2523. pulse_indev_deps="libpulse"

  2524. pulse_outdev_deps="libpulse"

  2525. qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"

  2526. qtkit_indev_select="qtkit"

  2527. sdl_outdev_deps="sdl"

  2528. sndio_indev_deps="sndio_h"

  2529. sndio_outdev_deps="sndio_h"

  2530. v4l_indev_deps="linux_videodev_h"

  2531. v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"

  2532. v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"

  2533. vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"

  2534. vfwcap_indev_extralibs="-lavicap32"

  2535. xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"

  2536. xv_outdev_extralibs="-lXv -lX11 -lXext"

  2537. x11grab_indev_deps="x11grab"

  2538. x11grab_xcb_indev_deps="libxcb"

  2539. 

  2540. # protocols

  2541. bluray_protocol_deps="libbluray"

  2542. ffrtmpcrypt_protocol_deps="!librtmp_protocol"

  2543. ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"

  2544. ffrtmpcrypt_protocol_select="tcp_protocol"

  2545. ffrtmphttp_protocol_deps="!librtmp_protocol"

  2546. ffrtmphttp_protocol_select="http_protocol"

  2547. ftp_protocol_select="tcp_protocol"

  2548. gopher_protocol_select="network"

  2549. http_protocol_select="tcp_protocol"

  2550. httpproxy_protocol_select="tcp_protocol"

  2551. https_protocol_select="tls_protocol"

  2552. icecast_protocol_select="http_protocol"

  2553. librtmp_protocol_deps="librtmp"

  2554. librtmpe_protocol_deps="librtmp"

  2555. librtmps_protocol_deps="librtmp"

  2556. librtmpt_protocol_deps="librtmp"

  2557. librtmpte_protocol_deps="librtmp"

  2558. libsmbclient_protocol_deps="libsmbclient gplv3"

  2559. libssh_protocol_deps="libssh"

  2560. mmsh_protocol_select="http_protocol"

  2561. mmst_protocol_select="network"

  2562. rtmp_protocol_deps="!librtmp_protocol"

  2563. rtmp_protocol_select="tcp_protocol"

  2564. rtmpe_protocol_select="ffrtmpcrypt_protocol"

  2565. rtmps_protocol_deps="!librtmp_protocol"

  2566. rtmps_protocol_select="tls_protocol"

  2567. rtmpt_protocol_select="ffrtmphttp_protocol"

  2568. rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"

  2569. rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"

  2570. rtp_protocol_select="udp_protocol"

  2571. sctp_protocol_deps="struct_sctp_event_subscribe"

  2572. sctp_protocol_select="network"

  2573. srtp_protocol_select="rtp_protocol"

  2574. tcp_protocol_select="network"

  2575. tls_protocol_deps_any="openssl gnutls"

  2576. tls_protocol_select="tcp_protocol"

  2577. udp_protocol_select="network"

  2578. udplite_protocol_select="network"

  2579. unix_protocol_deps="sys_un_h"

  2580. unix_protocol_select="network"

  2581. 

  2582. # filters

  2583. amovie_filter_deps="avcodec avformat"

  2584. aresample_filter_deps="swresample"

  2585. ass_filter_deps="libass"

  2586. asyncts_filter_deps="avresample"

  2587. atempo_filter_deps="avcodec"

  2588. atempo_filter_select="rdft"

  2589. azmq_filter_deps="libzmq"

  2590. blackframe_filter_deps="gpl"

  2591. boxblur_filter_deps="gpl"

  2592. bs2b_filter_deps="libbs2b"

  2593. colormatrix_filter_deps="gpl"

  2594. cropdetect_filter_deps="gpl"

  2595. delogo_filter_deps="gpl"

  2596. deshake_filter_select="pixelutils"

  2597. drawtext_filter_deps="libfreetype"

  2598. ebur128_filter_deps="gpl"

  2599. eq_filter_deps="gpl"

  2600. flite_filter_deps="libflite"

  2601. frei0r_filter_deps="frei0r dlopen"

  2602. frei0r_src_filter_deps="frei0r dlopen"

  2603. fspp_filter_deps="gpl"

  2604. geq_filter_deps="gpl"

  2605. histeq_filter_deps="gpl"

  2606. hqdn3d_filter_deps="gpl"

  2607. interlace_filter_deps="gpl"

  2608. kerndeint_filter_deps="gpl"

  2609. ladspa_filter_deps="ladspa dlopen"

  2610. mcdeint_filter_deps="avcodec gpl"

  2611. movie_filter_deps="avcodec avformat"

  2612. mpdecimate_filter_deps="gpl"

  2613. mpdecimate_filter_select="pixelutils"

  2614. mptestsrc_filter_deps="gpl"

  2615. negate_filter_deps="lut_filter"

  2616. perspective_filter_deps="gpl"

  2617. pp7_filter_deps="gpl"

  2618. ocv_filter_deps="libopencv"

  2619. owdenoise_filter_deps="gpl"

  2620. pan_filter_deps="swresample"

  2621. phase_filter_deps="gpl"

  2622. pp_filter_deps="gpl postproc"

  2623. pullup_filter_deps="gpl"

  2624. removelogo_filter_deps="avcodec avformat swscale"

  2625. repeatfields_filter_deps="gpl"

  2626. resample_filter_deps="avresample"

  2627. sab_filter_deps="gpl swscale"

  2628. scale_filter_deps="swscale"

  2629. select_filter_select="pixelutils"

  2630. smartblur_filter_deps="gpl swscale"

  2631. showspectrum_filter_deps="avcodec"

  2632. showspectrum_filter_select="rdft"

  2633. spp_filter_deps="gpl avcodec"

  2634. spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"

  2635. stereo3d_filter_deps="gpl"

  2636. subtitles_filter_deps="avformat avcodec libass"

  2637. super2xsai_filter_deps="gpl"

  2638. tinterlace_filter_deps="gpl"

  2639. vidstabdetect_filter_deps="libvidstab"

  2640. vidstabtransform_filter_deps="libvidstab"

  2641. pixfmts_super2xsai_test_deps="super2xsai_filter"

  2642. tinterlace_merge_test_deps="tinterlace_filter"

  2643. tinterlace_pad_test_deps="tinterlace_filter"

  2644. uspp_filter_deps="gpl avcodec"

  2645. zmq_filter_deps="libzmq"

  2646. zoompan_filter_deps="swscale"

  2647. 

  2648. # examples

  2649. avio_reading="avformat avcodec avutil"

  2650. avcodec_example_deps="avcodec avutil"

  2651. decoding_encoding_example_deps="avcodec avformat avutil"

  2652. demuxing_decoding_example_deps="avcodec avformat avutil"

  2653. extract_mvs_example_deps="avcodec avformat avutil"

  2654. filter_audio_example_deps="avfilter avutil"

  2655. filtering_audio_example_deps="avfilter avcodec avformat avutil"

  2656. filtering_video_example_deps="avfilter avcodec avformat avutil"

  2657. metadata_example_deps="avformat avutil"

  2658. muxing_example_deps="avcodec avformat avutil swscale"

  2659. qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"

  2660. remuxing_example_deps="avcodec avformat avutil"

  2661. resampling_audio_example_deps="avutil swresample"

  2662. scaling_video_example_deps="avutil swscale"

  2663. transcode_aac_example_deps="avcodec avformat swresample"

  2664. transcoding_example_deps="avfilter avcodec avformat avutil"

  2665. 

  2666. # libraries, in linking order

  2667. avcodec_deps="avutil"

  2668. avdevice_deps="avformat avcodec avutil"

  2669. avfilter_deps="avutil"

  2670. avformat_deps="avcodec avutil"

  2671. avresample_deps="avutil"

  2672. postproc_deps="avutil gpl"

  2673. swresample_deps="avutil"

  2674. swscale_deps="avutil"

  2675. 

  2676. # programs

  2677. ffmpeg_deps="avcodec avfilter avformat swresample"

  2678. ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter

  2679.                null_filter

  2680.                setpts_filter trim_filter"

  2681. ffplay_deps="avcodec avformat swscale swresample sdl"

  2682. ffplay_libs='$sdl_libs'

  2683. ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"

  2684. ffprobe_deps="avcodec avformat"

  2685. ffserver_deps="avformat fork sarestart"

  2686. ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"

  2687. 

  2688. # documentation

  2689. podpages_deps="perl"

  2690. manpages_deps="perl pod2man"

  2691. htmlpages_deps="perl"

  2692. htmlpages_deps_any="makeinfo_html texi2html"

  2693. txtpages_deps="perl makeinfo"

  2694. doc_deps_any="manpages htmlpages podpages txtpages"

  2695. 

  2696. # default parameters

  2697. 

  2698. logfile="config.log"

  2699. 

  2700. # installation paths

  2701. prefix_default="/usr/local"

  2702. bindir_default='${prefix}/bin'

  2703. datadir_default='${prefix}/share/ffmpeg'

  2704. docdir_default='${prefix}/share/doc/ffmpeg'

  2705. incdir_default='${prefix}/include'

  2706. libdir_default='${prefix}/lib'

  2707. mandir_default='${prefix}/share/man'

  2708. 

  2709. # toolchain

  2710. ar_default="ar"

  2711. cc_default="gcc"

  2712. cxx_default="g++"

  2713. host_cc_default="gcc"

  2714. cp_f="cp -f"

  2715. doxygen_default="doxygen"

  2716. install="install"

  2717. ln_s="ln -s -f"

  2718. nm_default="nm -g"

  2719. objformat="elf"

  2720. pkg_config_default=pkg-config

  2721. if ranlib 2>&1 | grep -q "\-D "; then

  2722.     ranlib_default="ranlib -D"

  2723. else

  2724.     ranlib_default="ranlib"

  2725. fi

  2726. strip_default="strip"

  2727. yasmexe_default="yasm"

  2728. windres_default="windres"

  2729. 

  2730. # OS

  2731. target_os_default=$(tolower $(uname -s))

  2732. host_os=$target_os_default

  2733. 

  2734. # machine

  2735. if test "$target_os_default" = aix; then

  2736.     arch_default=$(uname -p)

  2737.     strip_default="strip -X32_64"

  2738. else

  2739.     arch_default=$(uname -m)

  2740. fi

  2741. cpu="generic"

  2742. intrinsics="none"

  2743. 

  2744. # configurable options

  2745. enable $PROGRAM_LIST

  2746. enable $DOCUMENT_LIST

  2747. enable $EXAMPLE_LIST

  2748. enable $(filter_out avresample $LIBRARY_LIST)

  2749. enable stripping

  2750. 

  2751. enable asm

  2752. enable debug

  2753. enable doc

  2754. enable faan faandct faanidct

  2755. enable optimizations

  2756. enable runtime_cpudetect

  2757. enable safe_bitstream_reader

  2758. enable static

  2759. enable swscale_alpha

  2760. 

  2761. sws_max_filter_size_default=256

  2762. set_default sws_max_filter_size

  2763. 

  2764. # Enable hwaccels by default.

  2765. enable dxva2 vaapi vda vdpau xvmc

  2766. enable xlib

  2767. 

  2768. # build settings

  2769. SHFLAGS='-shared -Wl,-soname,$$(@F)'

  2770. LIBPREF="lib"

  2771. LIBSUF=".a"

  2772. FULLNAME='$(NAME)$(BUILDSUF)'

  2773. LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'

  2774. SLIBPREF="lib"

  2775. SLIBSUF=".so"

  2776. SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'

  2777. SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'

  2778. SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'

  2779. LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'

  2780. SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'

  2781. SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'

  2782. 

  2783. asflags_filter=echo

  2784. cflags_filter=echo

  2785. ldflags_filter=echo

  2786. 

  2787. AS_C='-c'

  2788. AS_O='-o $@'

  2789. CC_C='-c'

  2790. CC_E='-E -o $@'

  2791. CC_O='-o $@'

  2792. CXX_C='-c'

  2793. CXX_O='-o $@'

  2794. LD_O='-o $@'

  2795. LD_LIB='-l%'

  2796. LD_PATH='-L'

  2797. HOSTCC_C='-c'

  2798. HOSTCC_E='-E -o $@'

  2799. HOSTCC_O='-o $@'

  2800. HOSTLD_O='-o $@'

  2801. 

  2802. host_libs='-lm'

  2803. host_cflags_filter=echo

  2804. host_ldflags_filter=echo

  2805. 

  2806. target_path='$(CURDIR)'

  2807. 

  2808. # since the object filename is not given with the -MM flag, the compiler

  2809. # is only able to print the basename, and we must add the path ourselves

  2810. DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'

  2811. DEPFLAGS='-MM'

  2812. 

  2813. # find source path

  2814. if test -f configure; then

  2815.     source_path=.

  2816. else

  2817.     source_path=$(cd $(dirname "$0"); pwd)

  2818.     echo "$source_path" | grep -q '[[:blank:]]' &&

  2819.         die "Out of tree builds are impossible with whitespace in source path."

  2820.     test -e "$source_path/config.h" &&

  2821.         die "Out of tree builds are impossible with config.h in source dir."

  2822. fi

  2823. 

  2824. for v in "$@"; do

  2825.     r=${v#*=}

  2826.     l=${v%"$r"}

  2827.     r=$(sh_quote "$r")

  2828.     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"

  2829. done

  2830. 

  2831. find_things(){

  2832.     thing=$1

  2833.     pattern=$2

  2834.     file=$source_path/$3

  2835.     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"

  2836. }

  2837. 

  2838. ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)

  2839. DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)

  2840. HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)

  2841. PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)

  2842. BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)

  2843. MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)

  2844. DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)

  2845. OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)

  2846. INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)

  2847. PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)

  2848. FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)

  2849. 

  2850. ALL_COMPONENTS="

  2851.     $BSF_LIST

  2852.     $DECODER_LIST

  2853.     $DEMUXER_LIST

  2854.     $ENCODER_LIST

  2855.     $FILTER_LIST

  2856.     $HWACCEL_LIST

  2857.     $INDEV_LIST

  2858.     $MUXER_LIST

  2859.     $OUTDEV_LIST

  2860.     $PARSER_LIST

  2861.     $PROTOCOL_LIST

  2862. "

  2863. 

  2864. for n in $COMPONENT_LIST; do

  2865.     v=$(toupper ${n%s})_LIST

  2866.     eval enable \$$v

  2867.     eval ${n}_if_any="\$$v"

  2868. done

  2869. 

  2870. enable $ARCH_EXT_LIST

  2871. 

  2872. die_unknown(){

  2873.     echo "Unknown option \"$1\"."

  2874.     echo "See $0 --help for available options."

  2875.     exit 1

  2876. }

  2877. 

  2878. print_3_columns() {

  2879.     cat | tr ' ' '\n' | sort | pr -r -3 -t

  2880. }

  2881. 

  2882. show_list() {

  2883.     suffix=_$1

  2884.     shift

  2885.     echo $* | sed s/$suffix//g | print_3_columns

  2886.     exit 0

  2887. }

  2888. 

  2889. rand_list(){

  2890.     IFS=', '

  2891.     set -- $*

  2892.     unset IFS

  2893.     for thing; do

  2894.         comp=${thing%:*}

  2895.         prob=${thing#$comp}

  2896.         prob=${prob#:}

  2897.         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST

  2898.         echo "prob ${prob:-0.5}"

  2899.         printf '%s\n' $comp

  2900.     done

  2901. }

  2902. 

  2903. do_random(){

  2904.     action=$1

  2905.     shift

  2906.     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")

  2907.     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")

  2908. }

  2909. 

  2910. for opt do

  2911.     optval="${opt#*=}"

  2912.     case "$opt" in

  2913.         --extra-ldflags=*)

  2914.             add_ldflags $optval

  2915.         ;;

  2916.         --extra-ldexeflags=*)

  2917.             add_ldexeflags $optval

  2918.         ;;

  2919.         --extra-libs=*)

  2920.             add_extralibs $optval

  2921.         ;;

  2922.         --disable-devices)

  2923.             disable $INDEV_LIST $OUTDEV_LIST

  2924.         ;;

  2925.         --enable-debug=*)

  2926.             debuglevel="$optval"

  2927.         ;;

  2928.         --disable-programs)

  2929.             disable $PROGRAM_LIST

  2930.         ;;

  2931.         --disable-everything)

  2932.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  2933.         ;;

  2934.         --disable-all)

  2935.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  2936.             disable $LIBRARY_LIST $PROGRAM_LIST doc

  2937.         ;;

  2938.         --enable-random|--disable-random)

  2939.             action=${opt%%-random}

  2940.             do_random ${action#--} $COMPONENT_LIST

  2941.         ;;

  2942.         --enable-random=*|--disable-random=*)

  2943.             action=${opt%%-random=*}

  2944.             do_random ${action#--} $optval

  2945.         ;;

  2946.         --enable-*=*|--disable-*=*)

  2947.             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')

  2948.             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"

  2949.             eval list=\$$(toupper $thing)_LIST

  2950.             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}

  2951.             list=$(filter "$name" $list)

  2952.             [ "$list" = "" ] && warn "Option $opt did not match anything"

  2953.             $action $list

  2954.         ;;

  2955.         --enable-?*|--disable-?*)

  2956.             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')

  2957.             if is_in $option $COMPONENT_LIST; then

  2958.                 test $action = disable && action=unset

  2959.                 eval $action \$$(toupper ${option%s})_LIST

  2960.             elif is_in $option $CMDLINE_SELECT; then

  2961.                 $action $option

  2962.             else

  2963.                 die_unknown $opt

  2964.             fi

  2965.         ;;

  2966.         --list-*)

  2967.             NAME="${opt#--list-}"

  2968.             is_in $NAME $COMPONENT_LIST || die_unknown $opt

  2969.             NAME=${NAME%s}

  2970.             eval show_list $NAME \$$(toupper $NAME)_LIST

  2971.         ;;

  2972.         --help|-h) show_help

  2973.         ;;

  2974.         --fatal-warnings) enable fatal_warnings

  2975.         ;;

  2976.         *)

  2977.             optname="${opt%%=*}"

  2978.             optname="${optname#--}"

  2979.             optname=$(echo "$optname" | sed 's/-/_/g')

  2980.             if is_in $optname $CMDLINE_SET; then

  2981.                 eval $optname='$optval'

  2982.             elif is_in $optname $CMDLINE_APPEND; then

  2983.                 append $optname "$optval"

  2984.             else

  2985.                 die_unknown $opt

  2986.             fi

  2987.         ;;

  2988.     esac

  2989. done

  2990. 

  2991. disabled logging && logfile=/dev/null

  2992. 

  2993. echo "# $0 $FFMPEG_CONFIGURATION" > $logfile

  2994. set >> $logfile

  2995. 

  2996. test -n "$cross_prefix" && enable cross_compile

  2997. 

  2998. if enabled cross_compile; then

  2999.     test -n "$arch" && test -n "$target_os" ||

  3000.         die "Must specify target arch and OS when cross-compiling"

  3001. fi

  3002. 

  3003. test -n "$valgrind" && toolchain="valgrind-memcheck"

  3004. 

  3005. case "$toolchain" in

  3006.     clang-asan)

  3007.         cc_default="clang"

  3008.         add_cflags  -fsanitize=address

  3009.         add_ldflags -fsanitize=address

  3010.     ;;

  3011.     clang-tsan)

  3012.         cc_default="clang"

  3013.         add_cflags  -fsanitize=thread -pie

  3014.         add_ldflags -fsanitize=thread -pie

  3015.     ;;

  3016.     clang-usan)

  3017.         cc_default="clang"

  3018.         add_cflags  -fsanitize=undefined

  3019.         add_ldflags -fsanitize=undefined

  3020.     ;;

  3021.     gcc-asan)

  3022.         cc_default="gcc"

  3023.         add_cflags  -fsanitize=address

  3024.         add_ldflags -fsanitize=address

  3025.     ;;

  3026.     gcc-tsan)

  3027.         cc_default="gcc"

  3028.         add_cflags  -fsanitize=thread -pie -fPIC

  3029.         add_ldflags -fsanitize=thread -pie -fPIC

  3030.     ;;

  3031.     gcc-usan)

  3032.         cc_default="gcc"

  3033.         add_cflags  -fsanitize=undefined

  3034.         add_ldflags -fsanitize=undefined

  3035.     ;;

  3036.     valgrind-massif)

  3037.         target_exec_default=${valgrind:-"valgrind"}

  3038.         target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"

  3039.     ;;

  3040.     valgrind-memcheck)

  3041.         target_exec_default=${valgrind:-"valgrind"}

  3042.         target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"

  3043.     ;;

  3044.     msvc)

  3045.         # Check whether the current MSVC version needs the C99 converter.

  3046.         # From MSVC 2013 (compiler major version 18) onwards, it does actually

  3047.         # support enough of C99 to build ffmpeg. Default to the new

  3048.         # behaviour if the regexp was unable to match anything, since this

  3049.         # successfully parses the version number of existing supported

  3050.         # versions that require the converter (MSVC 2010 and 2012).

  3051.         cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')

  3052.         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then

  3053.             cc_default="cl"

  3054.         else

  3055.             cc_default="c99wrap cl"

  3056.         fi

  3057.         ld_default="link"

  3058.         nm_default="dumpbin -symbols"

  3059.         ar_default="lib"

  3060.         target_os_default="win32"

  3061.         # Use a relative path for TMPDIR. This makes sure all the

  3062.         # ffconf temp files are written with a relative path, avoiding

  3063.         # issues with msys/win32 path conversion for MSVC parameters

  3064.         # such as -Fo<file> or -out:<file>.

  3065.         TMPDIR=.

  3066.     ;;

  3067.     icl)

  3068.         cc_default="icl"

  3069.         ld_default="xilink"

  3070.         nm_default="dumpbin -symbols"

  3071.         ar_default="xilib"

  3072.         target_os_default="win32"

  3073.         TMPDIR=.

  3074.     ;;

  3075.     gcov)

  3076.         add_cflags  -fprofile-arcs -ftest-coverage

  3077.         add_ldflags -fprofile-arcs -ftest-coverage

  3078.     ;;

  3079.     hardened)

  3080.         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2

  3081.         add_cflags   -fno-strict-overflow -fstack-protector-all

  3082.         add_ldflags  -Wl,-z,relro -Wl,-z,now

  3083.     ;;

  3084.     ?*)

  3085.         die "Unknown toolchain $toolchain"

  3086.     ;;

  3087. esac

  3088. 

  3089. ar_default="${cross_prefix}${ar_default}"

  3090. cc_default="${cross_prefix}${cc_default}"

  3091. cxx_default="${cross_prefix}${cxx_default}"

  3092. nm_default="${cross_prefix}${nm_default}"

  3093. pkg_config_default="${cross_prefix}${pkg_config_default}"

  3094. ranlib_default="${cross_prefix}${ranlib_default}"

  3095. strip_default="${cross_prefix}${strip_default}"

  3096. windres_default="${cross_prefix}${windres_default}"

  3097. 

  3098. sysinclude_default="${sysroot}/usr/include"

  3099. 

  3100. set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \

  3101.     target_exec target_os yasmexe

  3102. enabled cross_compile || host_cc_default=$cc

  3103. set_default host_cc

  3104. 

  3105. pkg_config_fail_message=""

  3106. if ! $pkg_config --version >/dev/null 2>&1; then

  3107.     warn "$pkg_config not found, library detection may fail."

  3108.     pkg_config=false

  3109. elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then

  3110.     pkg_config_fail_message="

  3111. Note: When building a static binary, add --pkg-config-flags=\"--static\"."

  3112. fi

  3113. 

  3114. if test $doxygen != $doxygen_default && \

  3115.   ! $doxygen --version >/dev/null 2>&1; then

  3116.     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."

  3117. fi

  3118. 

  3119. exesuf() {

  3120.     case $1 in

  3121.         mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;

  3122.     esac

  3123. }

  3124. 

  3125. EXESUF=$(exesuf $target_os)

  3126. HOSTEXESUF=$(exesuf $host_os)

  3127. 

  3128. # set temporary file name

  3129. : ${TMPDIR:=$TEMPDIR}

  3130. : ${TMPDIR:=$TMP}

  3131. : ${TMPDIR:=/tmp}

  3132. 

  3133. if [ -n "$tempprefix" ] ; then

  3134.     mktemp(){

  3135.         echo $tempprefix.${HOSTNAME}.${UID}

  3136.     }

  3137. elif ! check_cmd mktemp -u XXXXXX; then

  3138.     # simple replacement for missing mktemp

  3139.     # NOT SAFE FOR GENERAL USE

  3140.     mktemp(){

  3141.         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"

  3142.     }

  3143. fi

  3144. 

  3145. tmpfile(){

  3146.     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&

  3147.         (set -C; exec > $tmp) 2>/dev/null ||

  3148.         die "Unable to create temporary file in $TMPDIR."

  3149.     append TMPFILES $tmp

  3150.     eval $1=$tmp

  3151. }

  3152. 

  3153. trap 'rm -f -- $TMPFILES' EXIT

  3154. 

  3155. tmpfile TMPASM .asm

  3156. tmpfile TMPC   .c

  3157. tmpfile TMPCPP .cpp

  3158. tmpfile TMPE   $EXESUF

  3159. tmpfile TMPH   .h

  3160. tmpfile TMPM   .m

  3161. tmpfile TMPO   .o

  3162. tmpfile TMPS   .S

  3163. tmpfile TMPSH  .sh

  3164. tmpfile TMPV   .ver

  3165. 

  3166. unset -f mktemp

  3167. 

  3168. chmod +x $TMPE

  3169. 

  3170. # make sure we can execute files in $TMPDIR

  3171. cat > $TMPSH 2>> $logfile <<EOF

  3172. #! /bin/sh

  3173. EOF

  3174. chmod +x $TMPSH >> $logfile 2>&1

  3175. if ! $TMPSH >> $logfile 2>&1; then

  3176.     cat <<EOF

  3177. Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment

  3178. variable to another directory and make sure that it is not mounted noexec.

  3179. EOF

  3180.     die "Sanity test failed."

  3181. fi

  3182. 

  3183. armasm_flags(){

  3184.     for flag; do

  3185.         case $flag in

  3186.             # Filter out MSVC cl.exe options from cflags that shouldn't

  3187.             # be passed to gas-preprocessor

  3188.             -M[TD]*)                                            ;;

  3189.             *)                  echo $flag                      ;;

  3190.         esac

  3191.    done

  3192. }

  3193. 

  3194. ccc_flags(){

  3195.     for flag; do

  3196.         case $flag in

  3197.             -std=c99)           echo -c99                       ;;

  3198.             -mcpu=*)            echo -arch ${flag#*=}           ;;

  3199.             -mieee)             echo -ieee                      ;;

  3200.             -O*|-fast)          echo $flag                      ;;

  3201.             -fno-math-errno)    echo -assume nomath_errno       ;;

  3202.             -g)                 echo -g3                        ;;

  3203.             -Wall)              echo -msg_enable level2         ;;

  3204.             -Wno-pointer-sign)  echo -msg_disable ptrmismatch1  ;;

  3205.             -Wl,*)              echo $flag                      ;;

  3206.             -f*|-W*)                                            ;;

  3207.             *)                  echo $flag                      ;;

  3208.         esac

  3209.    done

  3210. }

  3211. 

  3212. cparser_flags(){

  3213.     for flag; do

  3214.         case $flag in

  3215.             -Wno-switch)             echo -Wno-switch-enum ;;

  3216.             -Wno-format-zero-length) ;;

  3217.             -Wdisabled-optimization) ;;

  3218.             -Wno-pointer-sign)       echo -Wno-other ;;

  3219.             *)                       echo $flag ;;

  3220.         esac

  3221.     done

  3222. }

  3223. 

  3224. msvc_common_flags(){

  3225.     for flag; do

  3226.         case $flag in

  3227.             # In addition to specifying certain flags under the compiler

  3228.             # specific filters, they must be specified here as well or else the

  3229.             # generic catch all at the bottom will print the original flag.

  3230.             -Wall)                ;;

  3231.             -std=c99)             ;;

  3232.             # Common flags

  3233.             -fomit-frame-pointer) ;;

  3234.             -g)                   echo -Z7 ;;

  3235.             -fno-math-errno)      ;;

  3236.             -fno-common)          ;;

  3237.             -fno-signed-zeros)    ;;

  3238.             -fPIC)                ;;

  3239.             -mthumb)              ;;

  3240.             -march=*)             ;;

  3241.             -lz)                  echo zlib.lib ;;

  3242.             -lavifil32)           echo vfw32.lib ;;

  3243.             -lavicap32)           echo vfw32.lib user32.lib ;;

  3244.             -l*)                  echo ${flag#-l}.lib ;;

  3245.             -L*)                  echo -libpath:${flag#-L} ;;

  3246.             *)                    echo $flag ;;

  3247.         esac

  3248.     done

  3249. }

  3250. 

  3251. msvc_flags(){

  3252.     msvc_common_flags "$@"

  3253.     for flag; do

  3254.         case $flag in

  3255.             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \

  3256.                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \

  3257.                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \

  3258.                                        -wd4554 \

  3259.                                        -wd4273 -wd4701 ;;

  3260.         esac

  3261.     done

  3262. }

  3263. 

  3264. icl_flags(){

  3265.     msvc_common_flags "$@"

  3266.     for flag; do

  3267.         case $flag in

  3268.             # Despite what Intel's documentation says -Wall, which is supported

  3269.             # on Windows, does enable remarks so disable them here.

  3270.             -Wall)                echo $flag -Qdiag-disable:remark ;;

  3271.             -std=c99)             echo -Qstd=c99 ;;

  3272.             -flto)                echo -ipo ;;

  3273.         esac

  3274.     done

  3275. }

  3276. 

  3277. icc_flags(){

  3278.     for flag; do

  3279.         case $flag in

  3280.             -flto)                echo -ipo ;;

  3281.             *)                    echo $flag ;;

  3282.         esac

  3283.     done

  3284. }

  3285. 

  3286. pgi_flags(){

  3287.     for flag; do

  3288.         case $flag in

  3289.             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;

  3290.             -fomit-frame-pointer) echo -Mnoframe ;;

  3291.             -g)                   echo -gopt ;;

  3292.             *)                    echo $flag ;;

  3293.         esac

  3294.     done

  3295. }

  3296. 

  3297. suncc_flags(){

  3298.     for flag; do

  3299.         case $flag in

  3300.             -march=*|-mcpu=*)

  3301.                 case "${flag#*=}" in

  3302.                     native)                   echo -xtarget=native       ;;

  3303.                     v9|niagara)               echo -xarch=sparc          ;;

  3304.                     ultrasparc)               echo -xarch=sparcvis       ;;

  3305.                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;

  3306.                     i586|pentium)             echo -xchip=pentium        ;;

  3307.                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;

  3308.                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;

  3309.                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;

  3310.                     pentium4*)          echo -xtarget=pentium4           ;;

  3311.                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;

  3312.                     *-sse3)             echo -xarch=sse3                 ;;

  3313.                     core2)              echo -xarch=ssse3 -xchip=core2   ;;

  3314.                     bonnell)                   echo -xarch=ssse3         ;;

  3315.                     corei7|nehalem)            echo -xtarget=nehalem     ;;

  3316.                     westmere)                  echo -xtarget=westmere    ;;

  3317.                     silvermont)                echo -xarch=sse4_2        ;;

  3318.                     corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;

  3319.                     core-avx*|ivybridge|haswell|broadwell)

  3320.                                                echo -xarch=avx           ;;

  3321.                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;

  3322.                     btver1)                    echo -xarch=amdsse4a      ;;

  3323.                     btver2|bdver*)             echo -xarch=avx           ;;

  3324.                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;

  3325.                     k8|opteron|athlon64|athlon-fx)

  3326.                                                echo -xarch=sse2a         ;;

  3327.                     athlon*)                   echo -xarch=pentium_proa  ;;

  3328.                 esac

  3329.                 ;;

  3330.             -std=c99)             echo -xc99              ;;

  3331.             -fomit-frame-pointer) echo -xregs=frameptr    ;;

  3332.             -fPIC)                echo -KPIC -xcode=pic32 ;;

  3333.             -W*,*)                echo $flag              ;;

  3334.             -f*-*|-W*|-mimpure-text)                      ;;

  3335.             -shared)              echo -G                 ;;

  3336.             *)                    echo $flag              ;;

  3337.         esac

  3338.     done

  3339. }

  3340. 

  3341. tms470_flags(){

  3342.     for flag; do

  3343.         case $flag in

  3344.             -march=*|-mcpu=*)

  3345.                 case "${flag#*=}" in

  3346.                     armv7-a|cortex-a*)      echo -mv=7a8 ;;

  3347.                     armv7-r|cortex-r*)      echo -mv=7r4 ;;

  3348.                     armv7-m|cortex-m*)      echo -mv=7m3 ;;

  3349.                     armv6*|arm11*)          echo -mv=6   ;;

  3350.                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])

  3351.                                             echo -mv=5e  ;;

  3352.                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;

  3353.                 esac

  3354.                 ;;

  3355.             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;

  3356.             -mfpu=vfp)      echo --float_support=vfpv2        ;;

  3357.             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;

  3358.             -mfpu=vfpv3-d16) echo --float_support=vfpv3d16    ;;

  3359.             -msoft-float)   echo --float_support=vfplib       ;;

  3360.             -O[0-3]|-mf=*)  echo $flag                        ;;

  3361.             -g)             echo -g -mn                       ;;

  3362.             -pds=*)         echo $flag                        ;;

  3363.             -D*|-I*)        echo $flag                        ;;

  3364.             --gcc|--abi=*)  echo $flag                        ;;

  3365.             -me)            echo $flag                        ;;

  3366.         esac

  3367.     done

  3368. }

  3369. 

  3370. probe_cc(){

  3371.     pfx=$1

  3372.     _cc=$2

  3373. 

  3374.     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags

  3375.     unset _ld_o _ldflags _ld_lib _ld_path

  3376.     unset _depflags _DEPCMD _DEPFLAGS

  3377.     _flags_filter=echo

  3378. 

  3379.     if $_cc --version 2>&1 | grep -q '^GNU assembler'; then

  3380.         true # no-op to avoid reading stdin in following checks

  3381.     elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then

  3382.         _type=llvm_gcc

  3383.         gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')

  3384.         _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"

  3385.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3386.         _cflags_speed='-O3'

  3387.         _cflags_size='-Os'

  3388.     elif $_cc -v 2>&1 | grep -qi ^gcc; then

  3389.         _type=gcc

  3390.         gcc_version=$($_cc --version | head -n1)

  3391.         gcc_basever=$($_cc -dumpversion)

  3392.         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')

  3393.         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")

  3394.         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")

  3395.         if ! $_cc -dumpversion | grep -q '^2\.'; then

  3396.             _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3397.         fi

  3398.         _cflags_speed='-O3'

  3399.         _cflags_size='-Os'

  3400.     elif $_cc --version 2>/dev/null | grep -q ^icc; then

  3401.         _type=icc

  3402.         _ident=$($_cc --version | head -n1)

  3403.         _depflags='-MMD'

  3404.         _cflags_speed='-O3'

  3405.         _cflags_size='-Os'

  3406.         _cflags_noopt='-O1'

  3407.         _flags_filter=icc_flags

  3408.     elif $_cc -v 2>&1 | grep -q xlc; then

  3409.         _type=xlc

  3410.         _ident=$($_cc -qversion 2>/dev/null | head -n1)

  3411.         _cflags_speed='-O5'

  3412.         _cflags_size='-O5 -qcompact'

  3413.     elif $_cc -V 2>/dev/null | grep -q Compaq; then

  3414.         _type=ccc

  3415.         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)

  3416.         _DEPFLAGS='-M'

  3417.         _cflags_speed='-fast'

  3418.         _cflags_size='-O1'

  3419.         _flags_filter=ccc_flags

  3420.     elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then

  3421.         test -d "$sysroot" || die "No valid sysroot specified."

  3422.         _type=armcc

  3423.         _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')

  3424.         armcc_conf="$PWD/armcc.conf"

  3425.         $_cc --arm_linux_configure                 \

  3426.              --arm_linux_config_file="$armcc_conf" \

  3427.              --configure_sysroot="$sysroot"        \

  3428.              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||

  3429.              die "Error creating armcc configuration file."

  3430.         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc

  3431.         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"

  3432.         as_default="${cross_prefix}gcc"

  3433.         _depflags='-MMD'

  3434.         _cflags_speed='-O3'

  3435.         _cflags_size='-Os'

  3436.     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then

  3437.         _type=tms470

  3438.         _ident=$($_cc -version | head -n1 | tr -s ' ')

  3439.         _flags='--gcc --abi=eabi -me'

  3440.         _cc_e='-ppl -fe=$@'

  3441.         _cc_o='-fe=$@'

  3442.         _depflags='-ppa -ppd=$(@:.o=.d)'

  3443.         _cflags_speed='-O3 -mf=5'

  3444.         _cflags_size='-O3 -mf=2'

  3445.         _flags_filter=tms470_flags

  3446.     elif $_cc -v 2>&1 | grep -q clang; then

  3447.         _type=clang

  3448.         _ident=$($_cc --version | head -n1)

  3449.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3450.         _cflags_speed='-O3'

  3451.         _cflags_size='-Os'

  3452.     elif $_cc -V 2>&1 | grep -q Sun; then

  3453.         _type=suncc

  3454.         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)

  3455.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'

  3456.         _DEPFLAGS='-xM1 -xc99'

  3457.         _ldflags='-std=c99'

  3458.         _cflags_speed='-O5'

  3459.         _cflags_size='-O5 -xspace'

  3460.         _flags_filter=suncc_flags

  3461.     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then

  3462.         _type=pathscale

  3463.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3464.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3465.         _cflags_speed='-O2'

  3466.         _cflags_size='-Os'

  3467.         _flags_filter='filter_out -Wdisabled-optimization'

  3468.     elif $_cc -v 2>&1 | grep -q Open64; then

  3469.         _type=open64

  3470.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3471.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3472.         _cflags_speed='-O2'

  3473.         _cflags_size='-Os'

  3474.         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'

  3475.     elif $_cc -V 2>&1 | grep -q Portland; then

  3476.         _type=pgi

  3477.         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"

  3478.         opt_common='-alias=ansi -Mdse -Mlre -Mpre'

  3479.         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"

  3480.         _cflags_size="-O2 -Munroll=c:1 $opt_common"

  3481.         _cflags_noopt="-O"

  3482.         _flags_filter=pgi_flags

  3483.     elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then

  3484.         _type=armasm

  3485.         _ident=$($_cc | head -n1)

  3486.         # 4509: "This form of conditional instruction is deprecated"

  3487.         _flags="-nologo -ignore 4509"

  3488.         _flags_filter=armasm_flags

  3489.     elif $_cc 2>&1 | grep -q Intel; then

  3490.         _type=icl

  3491.         _ident=$($cc 2>&1 | head -n1)

  3492.         _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'

  3493.         # Not only is O3 broken on 13.x+ but it is slower on all previous

  3494.         # versions (tested) as well.

  3495.         _cflags_speed="-O2"

  3496.         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff

  3497.         if $_cc 2>&1 | grep -q Linker; then

  3498.             _ld_o='-out:$@'

  3499.         else

  3500.             _ld_o='-Fe$@'

  3501.         fi

  3502.         _cc_o='-Fo$@'

  3503.         _cc_e='-P'

  3504.         _flags_filter=icl_flags

  3505.         _ld_lib='lib%.a'

  3506.         _ld_path='-libpath:'

  3507.         # -Qdiag-error to make icl error when seeing certain unknown arguments

  3508.         _flags='-nologo -Qdiag-error:4044,10157'

  3509.         # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency

  3510.         # with MSVC which enables it by default.

  3511.         _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS -fp:precise'

  3512.         if [ $pfx = hostcc ]; then

  3513.             append _cflags -Dsnprintf=_snprintf

  3514.         fi

  3515.         disable stripping

  3516.     elif $_cc 2>&1 | grep -q Microsoft; then

  3517.         _type=msvc

  3518.         _ident=$($cc 2>&1 | head -n1)

  3519.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'

  3520.         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'

  3521.         _cflags_speed="-O2"

  3522.         _cflags_size="-O1"

  3523.         if $_cc 2>&1 | grep -q Linker; then

  3524.             _ld_o='-out:$@'

  3525.         else

  3526.             _ld_o='-Fe$@'

  3527.         fi

  3528.         _cc_o='-Fo$@'

  3529.         _cc_e='-P -Fi$@'

  3530.         _flags_filter=msvc_flags

  3531.         _ld_lib='lib%.a'

  3532.         _ld_path='-libpath:'

  3533.         _flags='-nologo'

  3534.         _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'

  3535.         if [ $pfx = hostcc ]; then

  3536.             append _cflags -Dsnprintf=_snprintf

  3537.         fi

  3538.         disable stripping

  3539.     elif $_cc --version 2>/dev/null | grep -q ^cparser; then

  3540.         _type=cparser

  3541.         _ident=$($_cc --version | head -n1)

  3542.         _depflags='-MMD'

  3543.         _cflags_speed='-O4'

  3544.         _cflags_size='-O2'

  3545.         _flags_filter=cparser_flags

  3546.     fi

  3547. 

  3548.     eval ${pfx}_type=\$_type

  3549.     eval ${pfx}_ident=\$_ident

  3550. }

  3551. 

  3552. set_ccvars(){

  3553.     eval ${1}_C=\${_cc_c-\${${1}_C}}

  3554.     eval ${1}_E=\${_cc_e-\${${1}_E}}

  3555.     eval ${1}_O=\${_cc_o-\${${1}_O}}

  3556. 

  3557.     if [ -n "$_depflags" ]; then

  3558.         eval ${1}_DEPFLAGS=\$_depflags

  3559.     else

  3560.         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}

  3561.         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}

  3562.         eval DEP${1}FLAGS=\$_flags

  3563.     fi

  3564. }

  3565. 

  3566. probe_cc cc "$cc"

  3567. cflags_filter=$_flags_filter

  3568. cflags_speed=$_cflags_speed

  3569. cflags_size=$_cflags_size

  3570. cflags_noopt=$_cflags_noopt

  3571. add_cflags $_flags $_cflags

  3572. cc_ldflags=$_ldflags

  3573. set_ccvars CC

  3574. 

  3575. probe_cc hostcc "$host_cc"

  3576. host_cflags_filter=$_flags_filter

  3577. add_host_cflags  $_flags $_cflags

  3578. set_ccvars HOSTCC

  3579. 

  3580. test -n "$cc_type" && enable $cc_type ||

  3581.     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"

  3582. 

  3583. : ${as_default:=$cc}

  3584. : ${dep_cc_default:=$cc}

  3585. : ${ld_default:=$cc}

  3586. : ${host_ld_default:=$host_cc}

  3587. set_default ar as dep_cc ld host_ld windres

  3588. 

  3589. probe_cc as "$as"

  3590. asflags_filter=$_flags_filter

  3591. add_asflags $_flags $_cflags

  3592. set_ccvars AS

  3593. 

  3594. probe_cc ld "$ld"

  3595. ldflags_filter=$_flags_filter

  3596. add_ldflags $_flags $_ldflags

  3597. test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags

  3598. LD_O=${_ld_o-$LD_O}

  3599. LD_LIB=${_ld_lib-$LD_LIB}

  3600. LD_PATH=${_ld_path-$LD_PATH}

  3601. 

  3602. probe_cc hostld "$host_ld"

  3603. host_ldflags_filter=$_flags_filter

  3604. add_host_ldflags $_flags $_ldflags

  3605. HOSTLD_O=${_ld_o-$HOSTLD_O}

  3606. 

  3607. if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then

  3608.     probe_cc depcc "$dep_cc"

  3609.     CCDEP=${_DEPCMD:-$DEPCMD}

  3610.     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}

  3611.     DEPCCFLAGS=$_flags

  3612. fi

  3613. 

  3614. if $ar 2>&1 | grep -q Microsoft; then

  3615.     arflags="-nologo"

  3616.     ar_o='-out:$@'

  3617. elif $ar 2>&1 | grep -q 'Texas Instruments'; then

  3618.     arflags="rq"

  3619.     ar_o='$@'

  3620. elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then

  3621.     arflags='-Xany -r -c'

  3622.     ar_o='$@'

  3623. elif $ar 2>&1 | grep -q "\[D\] "; then

  3624.     arflags="rcD"

  3625.     ar_o='$@'

  3626. else

  3627.     arflags="rc"

  3628.     ar_o='$@'

  3629. fi

  3630. 

  3631. add_cflags $extra_cflags

  3632. add_cxxflags $extra_cxxflags

  3633. add_asflags $extra_cflags

  3634. 

  3635. if test -n "$sysroot"; then

  3636.     case "$cc_type" in

  3637.         gcc|llvm_gcc|clang)

  3638.             add_cppflags --sysroot="$sysroot"

  3639.             add_ldflags --sysroot="$sysroot"

  3640. # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking

  3641.             add_cppflags -isysroot "$sysroot"

  3642.             add_ldflags -isysroot "$sysroot"

  3643.         ;;

  3644.         tms470)

  3645.             add_cppflags -I"$sysinclude"

  3646.             add_ldflags  --sysroot="$sysroot"

  3647.         ;;

  3648.     esac

  3649. fi

  3650. 

  3651. if test "$cpu" = host; then

  3652.     enabled cross_compile &&

  3653.         die "--cpu=host makes no sense when cross-compiling."

  3654. 

  3655.     case "$cc_type" in

  3656.         gcc|llvm_gcc)

  3657.             check_native(){

  3658.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  3659.                 sed -n "/cc1.*$1=/{

  3660.                             s/.*$1=\\([^ ]*\\).*/\\1/

  3661.                             p

  3662.                             q

  3663.                         }" $TMPE

  3664.             }

  3665.             cpu=$(check_native -march || check_native -mcpu)

  3666.         ;;

  3667.     esac

  3668. 

  3669.     test "${cpu:-host}" = host &&

  3670.         die "--cpu=host not supported with compiler $cc"

  3671. fi

  3672. 

  3673. # Deal with common $arch aliases

  3674. case "$arch" in

  3675.     aarch64|arm64)

  3676.         arch="aarch64"

  3677.     ;;

  3678.     arm*|iPad*|iPhone*)

  3679.         arch="arm"

  3680.     ;;

  3681.     mips*|IP*)

  3682.         arch="mips"

  3683.     ;;

  3684.     parisc*|hppa*)

  3685.         arch="parisc"

  3686.     ;;

  3687.     "Power Macintosh"|ppc*|powerpc*)

  3688.         arch="ppc"

  3689.     ;;

  3690.     s390|s390x)

  3691.         arch="s390"

  3692.     ;;

  3693.     sh4|sh)

  3694.         arch="sh4"

  3695.     ;;

  3696.     sun4u|sparc*)

  3697.         arch="sparc"

  3698.     ;;

  3699.     tilegx|tile-gx)

  3700.         arch="tilegx"

  3701.     ;;

  3702.     i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)

  3703.         arch="x86"

  3704.     ;;

  3705. esac

  3706. 

  3707. is_in $arch $ARCH_LIST || warn "unknown architecture $arch"

  3708. enable $arch

  3709. 

  3710. # Add processor-specific flags

  3711. if enabled aarch64; then

  3712. 

  3713.     case $cpu in

  3714.         armv*)

  3715.             cpuflags="-march=$cpu"

  3716.         ;;

  3717.         *)

  3718.             cpuflags="-mcpu=$cpu"

  3719.         ;;

  3720.     esac

  3721. 

  3722. elif enabled alpha; then

  3723. 

  3724.     cpuflags="-mcpu=$cpu"

  3725. 

  3726. elif enabled arm; then

  3727. 

  3728.     check_arm_arch() {

  3729.         check_cpp_condition stddef.h \

  3730.             "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \

  3731.             $cpuflags

  3732.     }

  3733. 

  3734.     probe_arm_arch() {

  3735.         if   check_arm_arch 4;        then echo armv4;

  3736.         elif check_arm_arch 4T;       then echo armv4t;

  3737.         elif check_arm_arch 5;        then echo armv5;

  3738.         elif check_arm_arch 5E;       then echo armv5e;

  3739.         elif check_arm_arch 5T;       then echo armv5t;

  3740.         elif check_arm_arch 5TE;      then echo armv5te;

  3741.         elif check_arm_arch 5TEJ;     then echo armv5te;

  3742.         elif check_arm_arch 6;        then echo armv6;

  3743.         elif check_arm_arch 6J;       then echo armv6j;

  3744.         elif check_arm_arch 6K;       then echo armv6k;

  3745.         elif check_arm_arch 6Z;       then echo armv6z;

  3746.         elif check_arm_arch 6ZK;      then echo armv6zk;

  3747.         elif check_arm_arch 6T2;      then echo armv6t2;

  3748.         elif check_arm_arch 7;        then echo armv7;

  3749.         elif check_arm_arch 7A  7_A;  then echo armv7-a;

  3750.         elif check_arm_arch 7R  7_R;  then echo armv7-r;

  3751.         elif check_arm_arch 7M  7_M;  then echo armv7-m;

  3752.         elif check_arm_arch 7EM 7E_M; then echo armv7-m;

  3753.         elif check_arm_arch 8A  8_A;  then echo armv8-a;

  3754.         fi

  3755.     }

  3756. 

  3757.     [ "$cpu" = generic ] && cpu=$(probe_arm_arch)

  3758. 

  3759.     case $cpu in

  3760.         armv*)

  3761.             cpuflags="-march=$cpu"

  3762.             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')

  3763.         ;;

  3764.         *)

  3765.             cpuflags="-mcpu=$cpu"

  3766.             case $cpu in

  3767.                 cortex-a*)                               subarch=armv7a  ;;

  3768.                 cortex-r*)                               subarch=armv7r  ;;

  3769.                 cortex-m*)                 enable thumb; subarch=armv7m  ;;

  3770.                 arm11*)                                  subarch=armv6   ;;

  3771.                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;

  3772.                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;

  3773.                 *)                             subarch=$(probe_arm_arch) ;;

  3774.             esac

  3775.         ;;

  3776.     esac

  3777. 

  3778.     case "$subarch" in

  3779.         armv5t*)    enable fast_clz                ;;

  3780.         armv[6-8]*)

  3781.             enable fast_clz

  3782.             disabled fast_unaligned || enable fast_unaligned

  3783.             ;;

  3784.     esac

  3785. 

  3786. elif enabled avr32; then

  3787. 

  3788.     case $cpu in

  3789.         ap7[02]0[0-2])

  3790.             subarch="avr32_ap"

  3791.             cpuflags="-mpart=$cpu"

  3792.         ;;

  3793.         ap)

  3794.             subarch="avr32_ap"

  3795.             cpuflags="-march=$cpu"

  3796.         ;;

  3797.         uc3[ab]*)

  3798.             subarch="avr32_uc"

  3799.             cpuflags="-mcpu=$cpu"

  3800.         ;;

  3801.         uc)

  3802.             subarch="avr32_uc"

  3803.             cpuflags="-march=$cpu"

  3804.         ;;

  3805.     esac

  3806. 

  3807. elif enabled bfin; then

  3808. 

  3809.     cpuflags="-mcpu=$cpu"

  3810. 

  3811. elif enabled mips; then

  3812. 

  3813.     cpuflags="-march=$cpu"

  3814. 

  3815.     case $cpu in

  3816.         24kc)

  3817.             disable mipsfpu

  3818.             disable mipsdspr1

  3819.             disable mipsdspr2

  3820.         ;;

  3821.         24kf*)

  3822.             disable mipsdspr1

  3823.             disable mipsdspr2

  3824.         ;;

  3825.         24kec|34kc|1004kc)

  3826.             disable mipsfpu

  3827.             disable mipsdspr2

  3828.         ;;

  3829.         24kef*|34kf*|1004kf*)

  3830.             disable mipsdspr2

  3831.         ;;

  3832.         74kc)

  3833.             disable mipsfpu

  3834.         ;;

  3835.     esac

  3836. 

  3837. elif enabled ppc; then

  3838. 

  3839.     disable ldbrx

  3840.     disable vsx

  3841. 

  3842.     case $(tolower $cpu) in

  3843.         601|ppc601|powerpc601)

  3844.             cpuflags="-mcpu=601"

  3845.             disable altivec

  3846.         ;;

  3847.         603*|ppc603*|powerpc603*)

  3848.             cpuflags="-mcpu=603"

  3849.             disable altivec

  3850.         ;;

  3851.         604*|ppc604*|powerpc604*)

  3852.             cpuflags="-mcpu=604"

  3853.             disable altivec

  3854.         ;;

  3855.         g3|75*|ppc75*|powerpc75*)

  3856.             cpuflags="-mcpu=750"

  3857.             disable altivec

  3858.         ;;

  3859.         g4|745*|ppc745*|powerpc745*)

  3860.             cpuflags="-mcpu=7450"

  3861.         ;;

  3862.         74*|ppc74*|powerpc74*)

  3863.             cpuflags="-mcpu=7400"

  3864.         ;;

  3865.         g5|970|ppc970|powerpc970)

  3866.             cpuflags="-mcpu=970"

  3867.         ;;

  3868.         power[3-8]*)

  3869.             cpuflags="-mcpu=$cpu"

  3870.         ;;

  3871.         cell)

  3872.             cpuflags="-mcpu=cell"

  3873.             enable ldbrx

  3874.         ;;

  3875.         e500mc)

  3876.             cpuflags="-mcpu=e500mc"

  3877.             disable altivec

  3878.         ;;

  3879.         e500v2)

  3880.             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"

  3881.             disable altivec

  3882.             disable dcbzl

  3883.         ;;

  3884.         e500)

  3885.             cpuflags="-mcpu=8540 -mhard-float"

  3886.             disable altivec

  3887.             disable dcbzl

  3888.         ;;

  3889.     esac

  3890. 

  3891. elif enabled sparc; then

  3892. 

  3893.     case $cpu in

  3894.         cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])

  3895.             cpuflags="-mcpu=$cpu"

  3896.         ;;

  3897.         ultrasparc*|niagara[234])

  3898.             cpuflags="-mcpu=$cpu"

  3899.         ;;

  3900.     esac

  3901. 

  3902. elif enabled x86; then

  3903. 

  3904.     case $cpu in

  3905.         i[345]86|pentium)

  3906.             cpuflags="-march=$cpu"

  3907.             disable i686

  3908.             disable mmx

  3909.         ;;

  3910.         # targets that do NOT support nopl and conditional mov (cmov)

  3911.         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)

  3912.             cpuflags="-march=$cpu"

  3913.             disable i686

  3914.         ;;

  3915.         # targets that do support nopl and conditional mov (cmov)

  3916.         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\

  3917.         |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)

  3918.             cpuflags="-march=$cpu"

  3919.             enable i686

  3920.             enable fast_cmov

  3921.         ;;

  3922.         # targets that do support conditional mov but on which it's slow

  3923.         pentium4|pentium4m|prescott|nocona)

  3924.             cpuflags="-march=$cpu"

  3925.             enable i686

  3926.             disable fast_cmov

  3927.         ;;

  3928.     esac

  3929. 

  3930. fi

  3931. 

  3932. if [ "$cpu" != generic ]; then

  3933.     add_cflags  $cpuflags

  3934.     add_asflags $cpuflags

  3935. fi

  3936. 

  3937. # compiler sanity check

  3938. check_exec <<EOF

  3939. int main(void){ return 0; }

  3940. EOF

  3941. if test "$?" != 0; then

  3942.     echo "$cc is unable to create an executable file."

  3943.     if test -z "$cross_prefix" && ! enabled cross_compile ; then

  3944.         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."

  3945.         echo "Only do this if you know what cross compiling means."

  3946.     fi

  3947.     die "C compiler test failed."

  3948. fi

  3949. 

  3950. add_cppflags -D_ISOC99_SOURCE

  3951. add_cxxflags -D__STDC_CONSTANT_MACROS

  3952. check_cflags -std=c99

  3953. check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64

  3954. #include <stdlib.h>

  3955. EOF

  3956. check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE

  3957. #include <stdlib.h>

  3958. EOF

  3959. 

  3960. add_host_cppflags -D_ISOC99_SOURCE

  3961. check_host_cflags -std=c99

  3962. check_host_cflags -Wall

  3963. check_host_cflags -O3

  3964. 

  3965. check_64bit(){

  3966.     arch32=$1

  3967.     arch64=$2

  3968.     expr=$3

  3969.     check_code cc "" "int test[2*($expr) - 1]" &&

  3970.         subarch=$arch64 || subarch=$arch32

  3971. }

  3972. 

  3973. case "$arch" in

  3974.     aarch64|alpha|ia64)

  3975.         spic=$shared

  3976.     ;;

  3977.     mips)

  3978.         check_64bit mips mips64 '_MIPS_SIM > 1'

  3979.         spic=$shared

  3980.     ;;

  3981.     parisc)

  3982.         check_64bit parisc parisc64 'sizeof(void *) > 4'

  3983.         spic=$shared

  3984.     ;;

  3985.     ppc)

  3986.         check_64bit ppc ppc64 'sizeof(void *) > 4'

  3987.         spic=$shared

  3988.     ;;

  3989.     s390)

  3990.         check_64bit s390 s390x 'sizeof(void *) > 4'

  3991.         spic=$shared

  3992.     ;;

  3993.     sparc)

  3994.         check_64bit sparc sparc64 'sizeof(void *) > 4'

  3995.         spic=$shared

  3996.     ;;

  3997.     x86)

  3998.         check_64bit x86_32 x86_64 'sizeof(void *) > 4'

  3999.         # Treat x32 as x64 for now. Note it also needs spic=$shared

  4000.         test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&

  4001.             subarch=x86_64

  4002.         if test "$subarch" = "x86_64"; then

  4003.             spic=$shared

  4004.         fi

  4005.     ;;

  4006.     ppc)

  4007.         check_cc <<EOF && subarch="ppc64"

  4008.         int test[(int)sizeof(char*) - 7];

  4009. EOF

  4010.     ;;

  4011. esac

  4012. 

  4013. enable $subarch

  4014. enabled spic && enable_weak pic

  4015. 

  4016. # OS specific

  4017. case $target_os in

  4018.     aix)

  4019.         SHFLAGS=-shared

  4020.         add_cppflags '-I\$(SRC_PATH)/compat/aix'

  4021.         enabled shared && add_ldflags -Wl,-brtl

  4022.         ;;

  4023.     android)

  4024.         disable symver

  4025.         enable section_data_rel_ro

  4026.         SLIB_INSTALL_NAME='$(SLIBNAME)'

  4027.         SLIB_INSTALL_LINKS=

  4028.         # soname not set on purpose

  4029.         SHFLAGS=-shared

  4030.         ;;

  4031.     haiku)

  4032.         prefix_default="/boot/common"

  4033.         network_extralibs="-lnetwork"

  4034.         host_libs=

  4035.         ;;

  4036.     sunos)

  4037.         SHFLAGS='-shared -Wl,-h,$$(@F)'

  4038.         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"

  4039.         network_extralibs="-lsocket -lnsl"

  4040.         # When using suncc to build, the Solaris linker will mark

  4041.         # an executable with each instruction set encountered by

  4042.         # the Solaris assembler.  As our libraries contain their own

  4043.         # guards for processor-specific code, instead suppress

  4044.         # generation of the HWCAPS ELF section on Solaris x86 only.

  4045.         enabled_all suncc x86 &&

  4046.             echo "hwcap_1 = OVERRIDE;" > mapfile &&

  4047.             add_ldflags -Wl,-M,mapfile

  4048.         nm_default='nm -P -g'

  4049.         ;;

  4050.     netbsd)

  4051.         disable symver

  4052.         oss_indev_extralibs="-lossaudio"

  4053.         oss_outdev_extralibs="-lossaudio"

  4054.         enabled gcc || check_ldflags -Wl,-zmuldefs

  4055.         ;;

  4056.     openbsd|bitrig)

  4057.         disable symver

  4058.         SHFLAGS='-shared'

  4059.         SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'

  4060.         SLIB_INSTALL_LINKS=

  4061.         oss_indev_extralibs="-lossaudio"

  4062.         oss_outdev_extralibs="-lossaudio"

  4063.         ;;

  4064.     dragonfly)

  4065.         disable symver

  4066.         ;;

  4067.     freebsd)

  4068.         ;;

  4069.     bsd/os)

  4070.         add_extralibs -lpoll -lgnugetopt

  4071.         strip="strip -d"

  4072.         ;;

  4073.     darwin)

  4074.         enabled ppc && add_asflags -force_cpusubtype_ALL

  4075.         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'

  4076.         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress

  4077.         strip="${strip} -x"

  4078.         add_ldflags -Wl,-dynamic,-search_paths_first

  4079.         SLIBSUF=".dylib"

  4080.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'

  4081.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'

  4082.         objformat="macho"

  4083.         enabled x86_64 && objformat="macho64"

  4084.         enabled_any pic shared x86_64 ||

  4085.             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }

  4086.         ;;

  4087.     mingw32*)

  4088.         if test $target_os = "mingw32ce"; then

  4089.             disable network

  4090.         else

  4091.             target_os=mingw32

  4092.         fi

  4093.         LIBTARGET=i386

  4094.         if enabled x86_64; then

  4095.             LIBTARGET="i386:x86-64"

  4096.         elif enabled arm; then

  4097.             LIBTARGET=arm-wince

  4098.         fi

  4099.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4100.         check_ldflags -Wl,--nxcompat

  4101.         check_ldflags -Wl,--dynamicbase

  4102.         enabled x86_32 && check_ldflags -Wl,--large-address-aware

  4103.         shlibdir_default="$bindir_default"

  4104.         SLIBPREF=""

  4105.         SLIBSUF=".dll"

  4106.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4107.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4108.         dlltool="${cross_prefix}dlltool"

  4109.         if check_cmd lib.exe -list; then

  4110.             SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4111.             if enabled x86_64; then

  4112.                 LIBTARGET=x64

  4113.             fi

  4114.         elif check_cmd $dlltool --version; then

  4115.             SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'

  4116.         fi

  4117.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4118.         SLIB_INSTALL_LINKS=

  4119.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4120.         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4121.         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'

  4122.         objformat="win32"

  4123.         ranlib=:

  4124.         enable dos_paths

  4125.         ;;

  4126.     win32|win64)

  4127.         disable symver

  4128.         if enabled shared; then

  4129.             # Link to the import library instead of the normal static library

  4130.             # for shared libs.

  4131.             LD_LIB='%.lib'

  4132.             # Cannot build both shared and static libs with MSVC or icl.

  4133.             disable static

  4134.         fi

  4135.         enabled x86_32 && check_ldflags -LARGEADDRESSAWARE

  4136.         shlibdir_default="$bindir_default"

  4137.         SLIBPREF=""

  4138.         SLIBSUF=".dll"

  4139.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4140.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4141.         SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'

  4142.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4143.         SLIB_INSTALL_LINKS=

  4144.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4145.         SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4146.         SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4147.         objformat="win32"

  4148.         ranlib=:

  4149.         enable dos_paths

  4150.         ;;

  4151.     cygwin*)

  4152.         target_os=cygwin

  4153.         shlibdir_default="$bindir_default"

  4154.         SLIBPREF="cyg"

  4155.         SLIBSUF=".dll"

  4156.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4157.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4158.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4159.         SLIB_INSTALL_LINKS=

  4160.         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'

  4161.         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'

  4162.         objformat="win32"

  4163.         enable dos_paths

  4164.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4165.         ;;

  4166.     *-dos|freedos|opendos)

  4167.         network_extralibs="-lsocket"

  4168.         objformat="coff"

  4169.         enable dos_paths

  4170.         add_cppflags -U__STRICT_ANSI__

  4171.         ;;

  4172.     linux)

  4173.         enable dv1394

  4174.         enable section_data_rel_ro

  4175.         ;;

  4176.     irix*)

  4177.         target_os=irix

  4178.         ranlib="echo ignoring ranlib"

  4179.         ;;

  4180.     os/2*)

  4181.         strip="lxlite -CS"

  4182.         ln_s="cp -f"

  4183.         objformat="aout"

  4184.         add_cppflags -D_GNU_SOURCE

  4185.         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap

  4186.         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'

  4187.         LIBSUF="_s.a"

  4188.         SLIBPREF=""

  4189.         SLIBSUF=".dll"

  4190.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'

  4191.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'

  4192.         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \

  4193.             echo PROTMODE >> $(SUBDIR)$(NAME).def; \

  4194.             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \

  4195.             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \

  4196.             echo EXPORTS >> $(SUBDIR)$(NAME).def; \

  4197.             emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'

  4198.         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \

  4199.             emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'

  4200.         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'

  4201.         enable dos_paths

  4202.         enable_weak os2threads

  4203.         ;;

  4204.     gnu/kfreebsd)

  4205.         add_cppflags -D_BSD_SOURCE

  4206.         ;;

  4207.     gnu)

  4208.         ;;

  4209.     qnx)

  4210.         add_cppflags -D_QNX_SOURCE

  4211.         network_extralibs="-lsocket"

  4212.         ;;

  4213.     symbian)

  4214.         SLIBSUF=".dll"

  4215.         enable dos_paths

  4216.         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default

  4217.         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS

  4218.         add_ldflags -Wl,--target1-abs,--no-undefined \

  4219.                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \

  4220.                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup

  4221.         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \

  4222.                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \

  4223.                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib

  4224.         ;;

  4225.     osf1)

  4226.         add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT

  4227.         ;;

  4228.     minix)

  4229.         ;;

  4230.     plan9)

  4231.         add_cppflags -D_C99_SNPRINTF_EXTENSION  \

  4232.                      -D_REENTRANT_SOURCE        \

  4233.                      -D_RESEARCH_SOURCE         \

  4234.                      -DFD_SETSIZE=96            \

  4235.                      -DHAVE_SOCK_OPTS

  4236.         add_compat strtod.o strtod=avpriv_strtod

  4237.         network_extralibs='-lbsd'

  4238.         exeobjs=compat/plan9/main.o

  4239.         disable ffserver

  4240.         cp_f='cp'

  4241.         ;;

  4242.     none)

  4243.         ;;

  4244.     *)

  4245.         die "Unknown OS '$target_os'."

  4246.         ;;

  4247. esac

  4248. 

  4249. # determine libc flavour

  4250. 

  4251. probe_libc(){

  4252.     pfx=$1

  4253.     pfx_no_=${pfx%_}

  4254.     # uclibc defines __GLIBC__, so it needs to be checked before glibc.

  4255.     if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then

  4256.         eval ${pfx}libc_type=uclibc

  4257.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4258.     elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then

  4259.         eval ${pfx}libc_type=glibc

  4260.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4261.     # MinGW headers can be installed on Cygwin, so check for newlib first.

  4262.     elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then

  4263.         eval ${pfx}libc_type=newlib

  4264.         add_${pfx}cppflags -U__STRICT_ANSI__

  4265.     # MinGW64 is backwards compatible with MinGW32, so check for it first.

  4266.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then

  4267.         eval ${pfx}libc_type=mingw64

  4268.         if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then

  4269.             add_compat msvcrt/snprintf.o

  4270.             add_cflags "-include $source_path/compat/msvcrt/snprintf.h"

  4271.         fi

  4272.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4273.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4274.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4275.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION"  ||

  4276.          check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then

  4277.         eval ${pfx}libc_type=mingw32

  4278.         check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \

  4279.             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||

  4280.             die "ERROR: MinGW32 runtime version must be >= 3.15."

  4281.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4282.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4283.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4284.     elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then

  4285.         eval ${pfx}libc_type=msvcrt

  4286.         # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to

  4287.         # 0x601 by default unless something else is set by the user.

  4288.         # This can easily lead to us detecting functions only present

  4289.         # in such new versions and producing binaries requiring windows 7.0.

  4290.         # Therefore explicitly set the default to XP unless the user has

  4291.         # set something else on the command line.

  4292.         check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||

  4293.             add_${pfx}cppflags -D_WIN32_WINNT=0x0502

  4294.     elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then

  4295.         eval ${pfx}libc_type=klibc

  4296.     elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then

  4297.         eval ${pfx}libc_type=bionic

  4298.     elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then

  4299.         eval ${pfx}libc_type=solaris

  4300.         add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600

  4301.     fi

  4302.     check_${pfx}cc <<EOF

  4303. #include <time.h>

  4304. void *v = localtime_r;

  4305. EOF

  4306. test "$?" != 0 && check_${pfx}cc -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 <<EOF && add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4307. #include <time.h>

  4308. void *v = localtime_r;

  4309. EOF

  4310. 

  4311. }

  4312. 

  4313. probe_libc

  4314. test -n "$libc_type" && enable libc_$libc_type

  4315. probe_libc host_

  4316. test -n "$host_libc_type" && enable host_libc_$host_libc_type

  4317. 

  4318. case $libc_type in

  4319.     bionic)

  4320.         add_compat strtod.o strtod=avpriv_strtod

  4321.         ;;

  4322.     msvcrt)

  4323.         add_compat strtod.o strtod=avpriv_strtod

  4324.         add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \

  4325.                                      _snprintf=avpriv_snprintf  \

  4326.                                      vsnprintf=avpriv_vsnprintf

  4327.         ;;

  4328. esac

  4329. 

  4330. # hacks for compiler/libc/os combinations

  4331. 

  4332. if enabled_all tms470 libc_glibc; then

  4333.     CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"

  4334.     add_cppflags -D__USER_LABEL_PREFIX__=

  4335.     add_cppflags -D__builtin_memset=memset

  4336.     add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED

  4337.     add_cflags   -pds=48    # incompatible redefinition of macro

  4338. fi

  4339. 

  4340. if enabled_all ccc libc_glibc; then

  4341.     add_ldflags -Wl,-z,now  # calls to libots crash without this

  4342. fi

  4343. 

  4344. check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||

  4345.     add_cppflags '-I\$(SRC_PATH)/compat/float'

  4346. 

  4347. esc(){

  4348.     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'

  4349. }

  4350. 

  4351. echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate

  4352. 

  4353. check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic

  4354. 

  4355. set_default libdir

  4356. : ${shlibdir_default:="$libdir"}

  4357. 

  4358. set_default $PATHS_LIST

  4359. set_default nm

  4360. 

  4361. # we need to build at least one lib type

  4362. if ! enabled_any static shared; then

  4363.     cat <<EOF

  4364. At least one library type must be built.

  4365. Specify --enable-static to build the static libraries or --enable-shared to

  4366. build the shared libraries as well. To only build the shared libraries specify

  4367. --disable-static in addition to --enable-shared.

  4368. EOF

  4369.     exit 1;

  4370. fi

  4371. 

  4372. die_license_disabled() {

  4373.     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }

  4374. }

  4375. 

  4376. die_license_disabled_gpl() {

  4377.     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }

  4378. }

  4379. 

  4380. die_license_disabled gpl frei0r

  4381. die_license_disabled gpl libcdio

  4382. die_license_disabled gpl libsmbclient

  4383. die_license_disabled gpl libutvideo

  4384. die_license_disabled gpl libvidstab

  4385. die_license_disabled gpl libx264

  4386. die_license_disabled gpl libx265

  4387. die_license_disabled gpl libxavs

  4388. die_license_disabled gpl libxvid

  4389. die_license_disabled gpl libzvbi

  4390. die_license_disabled gpl x11grab

  4391. 

  4392. die_license_disabled nonfree libaacplus

  4393. die_license_disabled nonfree libfaac

  4394. die_license_disabled nonfree nvenc

  4395. enabled gpl && die_license_disabled_gpl nonfree libfdk_aac

  4396. enabled gpl && die_license_disabled_gpl nonfree openssl

  4397. 

  4398. die_license_disabled version3 libopencore_amrnb

  4399. die_license_disabled version3 libopencore_amrwb

  4400. die_license_disabled version3 libsmbclient

  4401. die_license_disabled version3 libvo_aacenc

  4402. die_license_disabled version3 libvo_amrwbenc

  4403. 

  4404. enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }

  4405. 

  4406. disabled optimizations || check_cflags -fomit-frame-pointer

  4407. 

  4408. enable_weak_pic() {

  4409.     disabled pic && return

  4410.     enable pic

  4411.     add_cppflags -DPIC

  4412.     case "$target_os" in

  4413.     mingw*|cygwin*)

  4414.         ;;

  4415.     *)

  4416.         add_cflags -fPIC

  4417.         ;;

  4418.     esac

  4419.     add_asflags  -fPIC

  4420. }

  4421. 

  4422. enabled pic && enable_weak_pic

  4423. 

  4424. check_cc <<EOF || die "Symbol mangling check failed."

  4425. int ff_extern;

  4426. EOF

  4427. sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')

  4428. extern_prefix=${sym%%ff_extern*}

  4429. 

  4430. check_cc <<EOF && enable_weak inline_asm

  4431. void foo(void) { __asm__ volatile ("" ::); }

  4432. EOF

  4433. 

  4434. _restrict=

  4435. for restrict_keyword in restrict __restrict__ __restrict; do

  4436.     check_cc <<EOF && _restrict=$restrict_keyword && break

  4437. void foo(char * $restrict_keyword p);

  4438. EOF

  4439. done

  4440. 

  4441. check_cc <<EOF && enable pragma_deprecated

  4442. void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }

  4443. EOF

  4444. 

  4445. check_cc <<EOF && enable attribute_packed

  4446. struct { int x; } __attribute__((packed)) x;

  4447. EOF

  4448. 

  4449. check_cc <<EOF && enable attribute_may_alias

  4450. union { int x; } __attribute__((may_alias)) x;

  4451. EOF

  4452. 

  4453. check_cc <<EOF || die "endian test failed"

  4454. unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';

  4455. EOF

  4456. od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian

  4457. 

  4458. if  [ "$cpu" = "power7" ] || [ "$cpu" = "power8" ] || enabled ppc64; then

  4459.     if ! enabled bigendian && enabled altivec ;then

  4460.         enable vsx

  4461.     fi

  4462. fi

  4463. 

  4464. check_gas() {

  4465.     log "check_gas using '$as' as AS"

  4466.     # :vararg is used on aarch64, arm and ppc altivec

  4467.     check_as <<EOF || return 1

  4468. .macro m n, y:vararg=0

  4469. \n: .int \y

  4470. .endm

  4471. m x

  4472. EOF

  4473.     # .altmacro is only used in arm asm

  4474.     ! enabled arm || check_as <<EOF || return 1

  4475. .altmacro

  4476. EOF

  4477.     enable gnu_as

  4478.     return 0

  4479. }

  4480. 

  4481. if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then

  4482.     nogas=:

  4483.     enabled_any arm aarch64 && nogas=die

  4484.     enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn

  4485.     as_noop=-v

  4486. 

  4487.     case $as_type in

  4488.         arm*) gaspp_as_type=armasm; as_noop=-h ;;

  4489.         gcc)  gaspp_as_type=gas ;;

  4490.         *)    gaspp_as_type=$as_type ;;

  4491.     esac

  4492. 

  4493.     [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"

  4494. 

  4495.     test "${as#*gas-preprocessor.pl}" != "$as" ||

  4496.     check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&

  4497.         gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"

  4498. 

  4499.     if ! check_gas ; then

  4500.         as=${gas:=$as}

  4501.         check_gas || \

  4502.             $nogas "GNU assembler not found, install/update gas-preprocessor"

  4503.     fi

  4504. 

  4505.     check_as <<EOF && enable as_func

  4506. .func test

  4507. .endfunc

  4508. EOF

  4509. fi

  4510. 

  4511. check_inline_asm inline_asm_labels '"1:\n"'

  4512. 

  4513. check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'

  4514. 

  4515. if enabled aarch64; then

  4516.     enabled armv8 && check_insn armv8 'prfm   pldl1strm, [x0]'

  4517.     # internal assembler in clang 3.3 does not support this instruction

  4518.     enabled neon && check_insn neon 'ext   v0.8B, v0.8B, v1.8B, #1'

  4519.     enabled vfp  && check_insn vfp  'fmadd d0,    d0,    d1,    d2'

  4520. 

  4521.     map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM

  4522. 

  4523. elif enabled alpha; then

  4524. 

  4525.     check_cflags -mieee

  4526. 

  4527. elif enabled arm; then

  4528. 

  4529.     check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb

  4530. float func(float a, float b){ return a+b; }

  4531. EOF

  4532. 

  4533.     enabled thumb && check_cflags -mthumb || check_cflags -marm

  4534. 

  4535.     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then

  4536.         enable vfp_args

  4537.     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then

  4538.         case "${cross_prefix:-$cc}" in

  4539.             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;

  4540.             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;

  4541. __asm__ (".eabi_attribute 28, 1");

  4542. int main(void) { return 0; }

  4543. EOF

  4544.         esac

  4545.         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."

  4546.     fi

  4547. 

  4548.     enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'

  4549.     enabled armv6   && check_insn armv6   'sadd16 r0, r0, r0'

  4550.     enabled armv6t2 && check_insn armv6t2 'movt r0, #0'

  4551.     enabled neon    && check_insn neon    'vadd.i16 q0, q0, q0'

  4552.     enabled vfp     && check_insn vfp     'fadds s0, s0, s0'

  4553.     enabled vfpv3   && check_insn vfpv3   'vmov.f32 s0, #1.0'

  4554.     enabled setend  && check_insn setend  'setend be'

  4555. 

  4556.     [ $target_os = linux ] || [ $target_os = android ] ||

  4557.         map 'enabled_any ${v}_external ${v}_inline || disable $v' \

  4558.             $ARCH_EXT_LIST_ARM

  4559. 

  4560.     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'

  4561. 

  4562.     check_as <<EOF && enable as_dn_directive

  4563. ra .dn d0.i16

  4564. .unreq ra

  4565. EOF

  4566. 

  4567.     [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic

  4568. 

  4569. elif enabled mips; then

  4570. 

  4571.     check_inline_asm loongson '"dmult.g $1, $2, $3"'

  4572.     enabled mips32r2  && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&

  4573.      check_inline_asm mips32r2  '"rotr $t0, $t1, 1"'

  4574.     enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&

  4575.      check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'

  4576.     enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&

  4577.      check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'

  4578.     enabled mipsfpu   && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&

  4579.      check_inline_asm mipsfpu   '"madd.d $f0, $f2, $f4, $f6"'

  4580. 

  4581. elif enabled parisc; then

  4582. 

  4583.     if enabled gcc; then

  4584.         case $($cc -dumpversion) in

  4585.             4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;

  4586.         esac

  4587.     fi

  4588. 

  4589. elif enabled ppc; then

  4590. 

  4591.     enable local_aligned_8 local_aligned_16 local_aligned_32

  4592. 

  4593.     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'

  4594.     check_inline_asm ibm_asm   '"add 0, 0, 0"'

  4595.     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'

  4596.     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'

  4597. 

  4598.     # AltiVec flags: The FSF version of GCC differs from the Apple version

  4599.     if enabled altivec; then

  4600.         check_cflags -maltivec -mabi=altivec &&

  4601.         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||

  4602.         check_cflags -faltivec

  4603. 

  4604.         # check if our compiler supports Motorola AltiVec C API

  4605.         check_cc <<EOF || disable altivec

  4606. $inc_altivec_h

  4607. int main(void) {

  4608.     vector signed int v1 = (vector signed int) { 0 };

  4609.     vector signed int v2 = (vector signed int) { 1 };

  4610.     v1 = vec_add(v1, v2);

  4611.     return 0;

  4612. }

  4613. EOF

  4614. 

  4615.         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"

  4616.     fi

  4617. 

  4618.     if enabled vsx; then

  4619.         check_cflags -mvsx

  4620.     fi

  4621. elif enabled x86; then

  4622. 

  4623.     check_builtin rdtsc    intrin.h   "__rdtsc()"

  4624.     check_builtin mm_empty mmintrin.h "_mm_empty()"

  4625. 

  4626.     enable local_aligned_8 local_aligned_16 local_aligned_32

  4627. 

  4628.     # check whether EBP is available on x86

  4629.     # As 'i' is stored on the stack, this program will crash

  4630.     # if the base pointer is used to access it because the

  4631.     # base pointer is cleared in the inline assembly code.

  4632.     check_exec_crash <<EOF && enable ebp_available

  4633. volatile int i=0;

  4634. __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");

  4635. return i;

  4636. EOF

  4637. 

  4638.     # check whether EBX is available on x86

  4639.     check_inline_asm ebx_available '""::"b"(0)' &&

  4640.         check_inline_asm ebx_available '"":::"%ebx"'

  4641. 

  4642.     # check whether xmm clobbers are supported

  4643.     check_inline_asm xmm_clobbers '"":::"%xmm0"'

  4644. 

  4645.     check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||

  4646.         check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'

  4647. 

  4648.     # check whether binutils is new enough to compile SSSE3/MMXEXT

  4649.     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'

  4650.     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'

  4651. 

  4652.     if ! disabled_any asm mmx yasm; then

  4653.         if check_cmd $yasmexe --version; then

  4654.             enabled x86_64 && yasm_extra="-m amd64"

  4655.             yasm_debug="-g dwarf2"

  4656.         elif check_cmd nasm -v; then

  4657.             yasmexe=nasm

  4658.             yasm_debug="-g -F dwarf"

  4659.             if enabled x86_64; then

  4660.                 case "$objformat" in

  4661.                     elf)   objformat=elf64 ;;

  4662.                     win32) objformat=win64 ;;

  4663.                 esac

  4664.             fi

  4665.         fi

  4666. 

  4667.         YASMFLAGS="-f $objformat $yasm_extra"

  4668.         enabled pic               && append YASMFLAGS "-DPIC"

  4669.         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"

  4670.         case "$objformat" in

  4671.             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;

  4672.         esac

  4673. 

  4674.         check_yasm "movbe ecx, [5]" && enable yasm ||

  4675.             die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."

  4676.         check_yasm "vextracti128 xmm0, ymm0, 0"      || disable avx2_external

  4677.         check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external

  4678.         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external

  4679.         check_yasm "CPU amdnop" || disable cpunop

  4680.     fi

  4681. 

  4682.     case "$cpu" in

  4683.         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)

  4684.             disable fast_clz

  4685.         ;;

  4686.     esac

  4687. 

  4688. fi

  4689. 

  4690. check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon

  4691. 

  4692. check_ldflags -Wl,--as-needed

  4693. check_ldflags -Wl,-z,noexecstack

  4694. 

  4695. if check_func dlopen; then

  4696.     ldl=

  4697. elif check_func dlopen -ldl; then

  4698.     ldl=-ldl

  4699. fi

  4700. 

  4701. frei0r_filter_extralibs='$ldl'

  4702. frei0r_src_filter_extralibs='$ldl'

  4703. ladspa_filter_extralibs='$ldl'

  4704. nvenc_encoder_extralibs='$ldl'

  4705. 

  4706. if ! disabled network; then

  4707.     check_func getaddrinfo $network_extralibs

  4708.     check_func getservbyport $network_extralibs

  4709.     check_func inet_aton $network_extralibs

  4710. 

  4711.     check_type netdb.h "struct addrinfo"

  4712.     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE

  4713.     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE

  4714.     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE

  4715.     check_type poll.h "struct pollfd"

  4716.     check_type netinet/sctp.h "struct sctp_event_subscribe"

  4717.     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len

  4718.     check_type netinet/in.h "struct sockaddr_in6"

  4719.     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"

  4720.     check_type "sys/types.h sys/socket.h" socklen_t

  4721. 

  4722.     # Prefer arpa/inet.h over winsock2

  4723.     if check_header arpa/inet.h ; then

  4724.         check_func closesocket

  4725.     elif check_header winsock2.h ; then

  4726.         check_func_headers winsock2.h closesocket -lws2 &&

  4727.             network_extralibs="-lws2" ||

  4728.         { check_func_headers winsock2.h closesocket -lws2_32 &&

  4729.             network_extralibs="-lws2_32"; } || disable winsock2_h network

  4730.         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs

  4731. 

  4732.         check_type ws2tcpip.h socklen_t

  4733.         check_type ws2tcpip.h "struct addrinfo"

  4734.         check_type ws2tcpip.h "struct group_source_req"

  4735.         check_type ws2tcpip.h "struct ip_mreq_source"

  4736.         check_type ws2tcpip.h "struct ipv6_mreq"

  4737.         check_type winsock2.h "struct pollfd"

  4738.         check_struct winsock2.h "struct sockaddr" sa_len

  4739.         check_type ws2tcpip.h "struct sockaddr_in6"

  4740.         check_type ws2tcpip.h "struct sockaddr_storage"

  4741.     else

  4742.         disable network

  4743.     fi

  4744. fi

  4745. 

  4746. check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"

  4747. check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"

  4748. check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"

  4749. check_builtin MemoryBarrier windows.h "MemoryBarrier()"

  4750. check_builtin sarestart signal.h "SA_RESTART"

  4751. check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"

  4752. 

  4753. check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc

  4754. check_func  ${malloc_prefix}memalign            && enable memalign

  4755. check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign

  4756. 

  4757. check_func  access

  4758. check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  4759. check_func  fcntl

  4760. check_func  fork

  4761. check_func  gethrtime

  4762. check_func  getopt

  4763. check_func  getrusage

  4764. check_func  gettimeofday

  4765. check_func  gmtime_r

  4766. check_func  isatty

  4767. check_func  localtime_r

  4768. check_func  mach_absolute_time

  4769. check_func  mkstemp

  4770. check_func  mmap

  4771. check_func  mprotect

  4772. # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that

  4773. check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  4774. check_func  sched_getaffinity

  4775. check_func  setrlimit

  4776. check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE

  4777. check_func  strerror_r

  4778. check_func  sysconf

  4779. check_func  sysctl

  4780. check_func  usleep

  4781. 

  4782. check_func_headers conio.h kbhit

  4783. check_func_headers io.h setmode

  4784. check_func_headers lzo/lzo1x.h lzo1x_999_compress

  4785. check_func_headers stdlib.h getenv

  4786. 

  4787. check_func_headers windows.h CoTaskMemFree -lole32

  4788. check_func_headers windows.h GetProcessAffinityMask

  4789. check_func_headers windows.h GetProcessTimes

  4790. check_func_headers windows.h GetSystemTimeAsFileTime

  4791. check_func_headers windows.h MapViewOfFile

  4792. check_func_headers windows.h PeekNamedPipe

  4793. check_func_headers windows.h SetConsoleTextAttribute

  4794. check_func_headers windows.h Sleep

  4795. check_func_headers windows.h VirtualAlloc

  4796. check_struct windows.h "CONDITION_VARIABLE" Ptr

  4797. check_func_headers glob.h glob

  4798. enabled xlib &&

  4799.     check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext

  4800. 

  4801. check_header direct.h

  4802. check_header dlfcn.h

  4803. check_header dxva.h

  4804. check_header dxva2api.h -D_WIN32_WINNT=0x0600

  4805. check_header io.h

  4806. check_header libcrystalhd/libcrystalhd_if.h

  4807. check_header mach/mach_time.h

  4808. check_header malloc.h

  4809. check_header net/udplite.h

  4810. check_header poll.h

  4811. check_header sys/mman.h

  4812. check_header sys/param.h

  4813. check_header sys/resource.h

  4814. check_header sys/select.h

  4815. check_header sys/time.h

  4816. check_header sys/un.h

  4817. check_header termios.h

  4818. check_header unistd.h

  4819. check_header vdpau/vdpau.h

  4820. check_header vdpau/vdpau_x11.h

  4821. check_header VideoDecodeAcceleration/VDADecoder.h

  4822. check_header windows.h

  4823. check_header X11/extensions/XvMClib.h

  4824. check_header asm/types.h

  4825. 

  4826. check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32

  4827. check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32

  4828. check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi

  4829. 

  4830. check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss

  4831. 

  4832. check_type "windows.h dxva.h" "DXVA_PicParams_HEVC"

  4833. 

  4834. if ! disabled w32threads && ! enabled pthreads; then

  4835.     check_func_headers "windows.h process.h" _beginthreadex &&

  4836.         enable w32threads || disable w32threads

  4837. fi

  4838. 

  4839. # check for some common methods of building with pthread support

  4840. # do this before the optional library checks as some of them require pthreads

  4841. if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then

  4842.     enable pthreads

  4843.     if check_func pthread_join -pthread && check_func pthread_create -pthread; then

  4844.         add_cflags -pthread

  4845.         add_extralibs -pthread

  4846.     elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then

  4847.         add_cflags -pthreads

  4848.         add_extralibs -pthreads

  4849.     elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then

  4850.         add_cflags -ldl -pthread

  4851.         add_extralibs -ldl -pthread

  4852.     elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then

  4853.         add_extralibs -lpthreadGC2

  4854.     elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then

  4855.         :

  4856.     elif ! check_func pthread_join && ! check_func pthread_create; then

  4857.         disable pthreads

  4858.     fi

  4859.     check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads

  4860. fi

  4861. 

  4862. 

  4863. if enabled pthreads; then

  4864.   check_func pthread_cancel

  4865. fi

  4866. 

  4867. disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib

  4868. disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib

  4869. disabled  lzma || check_lib2  lzma.h lzma_version_number -llzma || disable lzma

  4870. 

  4871. check_lib math.h sin -lm && LIBM="-lm"

  4872. disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd

  4873. 

  4874. atan2f_args=2

  4875. ldexpf_args=2

  4876. powf_args=2

  4877. 

  4878. for func in $MATH_FUNCS; do

  4879.     eval check_mathfunc $func \${${func}_args:-1}

  4880. done

  4881. 

  4882. # these are off by default, so fail if requested and not available

  4883. enabled avfoundation_indev && { check_header_oc AVFoundation/AVFoundation.h || disable avfoundation_indev; }

  4884. enabled avisynth          && { { check_lib2 "windows.h" LoadLibrary; } ||

  4885.                                { check_lib2 "dlfcn.h" dlopen -ldl; } ||

  4886.                                die "ERROR: LoadLibrary/dlopen not found for avisynth"; }

  4887. enabled decklink          && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }

  4888. enabled frei0r            && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }

  4889. enabled gnutls            && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init

  4890. enabled ladspa            && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }

  4891. enabled libiec61883       && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883

  4892. enabled libaacplus        && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus

  4893. enabled libass            && require_pkg_config libass ass/ass.h ass_library_init

  4894. enabled libbluray         && require_pkg_config libbluray libbluray/bluray.h bd_open

  4895. enabled libbs2b           && require_pkg_config libbs2b bs2b.h bs2b_open

  4896. enabled libcelt           && require libcelt celt/celt.h celt_decode -lcelt0 &&

  4897.                              { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||

  4898.                                die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }

  4899. enabled libcaca           && require_pkg_config caca caca.h caca_create_canvas

  4900. enabled libfaac           && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac

  4901. enabled libfdk_aac        && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac

  4902. flite_libs="-lflite_cmu_time_awb -lflite_cmu_us_awb -lflite_cmu_us_kal -lflite_cmu_us_kal16 -lflite_cmu_us_rms -lflite_cmu_us_slt -lflite_usenglish -lflite_cmulex -lflite"

  4903. enabled libflite          && require2 libflite "flite/flite.h" flite_init $flite_libs

  4904. enabled fontconfig        && enable libfontconfig

  4905. enabled libfontconfig     && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit

  4906. enabled libfreetype       && require_libfreetype

  4907. enabled libfribidi        && require_pkg_config fribidi fribidi.h fribidi_version_info

  4908. enabled libgme            && require  libgme gme/gme.h gme_new_emu -lgme -lstdc++

  4909. enabled libgsm            && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do

  4910.                                    check_lib "${gsm_hdr}" gsm_create -lgsm && break;

  4911.                                done || die "ERROR: libgsm not found"; }

  4912. enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc

  4913. enabled libmfx            && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit

  4914. enabled libmodplug        && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load

  4915. enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame

  4916. enabled libnut            && require libnut libnut.h nut_demuxer_init -lnut

  4917. enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb

  4918. enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb

  4919. enabled libopencv         && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader

  4920. enabled libopenh264       && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion

  4921. enabled libopenjpeg       && { check_lib openjpeg.h opj_version -lopenmj2 -DOPJ_STATIC ||

  4922.                                check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  4923.                                check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  4924.                                die "ERROR: libopenjpeg not found"; }

  4925. enabled libopus           && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create

  4926. enabled libpulse          && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new

  4927. enabled libquvi           && require_pkg_config libquvi quvi/quvi.h quvi_init

  4928. enabled librtmp           && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket

  4929. enabled libschroedinger   && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init

  4930. enabled libshine          && require_pkg_config shine shine/layer3.h shine_encode_buffer

  4931. enabled libsmbclient      && { use_pkg_config smbclient libsmbclient.h smbc_init ||

  4932.                                require smbclient libsmbclient.h smbc_init -lsmbclient; }

  4933. enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr

  4934. enabled libssh            && require_pkg_config libssh libssh/sftp.h sftp_init

  4935. enabled libspeex          && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex

  4936. enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h

  4937.     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h

  4938.     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static

  4939. enabled libtheora         && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg

  4940. enabled libtwolame        && require libtwolame twolame.h twolame_init -ltwolame &&

  4941.                              { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||

  4942.                                die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }

  4943. enabled libutvideo        && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++

  4944. enabled libv4l2           && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl

  4945. enabled libvidstab        && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit

  4946. enabled libvo_aacenc      && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc

  4947. enabled libvo_amrwbenc    && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc

  4948. enabled libvorbis         && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg

  4949. enabled libvpx            && {

  4950.     enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||

  4951.                                     die "ERROR: libvpx decoder version must be >=0.9.1"; }

  4952.     enabled libvpx_vp8_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||

  4953.                                     die "ERROR: libvpx encoder version must be >=0.9.7"; }

  4954.     enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }

  4955.     enabled libvpx_vp9_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx || disable libvpx_vp9_encoder; } }

  4956. enabled libwavpack        && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput  -lwavpack

  4957. enabled libwebp           && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion

  4958. enabled libx264           && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||

  4959.                                { require libx264 x264.h x264_encoder_encode -lx264 &&

  4960.                                  warn "using libx264 without pkg-config"; } } &&

  4961.                              { check_cpp_condition x264.h "X264_BUILD >= 118" ||

  4962.                                die "ERROR: libx264 must be installed and version must be >= 0.118."; }

  4963. enabled libx265           && require_pkg_config x265 x265.h x265_encoder_encode &&

  4964.                              { check_cpp_condition x265.h "X265_BUILD >= 17" ||

  4965.                                die "ERROR: libx265 version must be >= 17."; }

  4966. enabled libxavs           && require libxavs xavs.h xavs_encoder_encode -lxavs

  4967. enabled libxvid           && require libxvid xvid.h xvid_global -lxvidcore

  4968. enabled libzmq            && require_pkg_config libzmq zmq.h zmq_ctx_new

  4969. enabled libzvbi           && require libzvbi libzvbi.h vbi_decoder_new -lzvbi

  4970. enabled nvenc             && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&

  4971.                              { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }

  4972. enabled openal            && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do

  4973.                                check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||

  4974.                                die "ERROR: openal not found"; } &&

  4975.                              { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||

  4976.                                die "ERROR: openal must be installed and version must be 1.1 or compatible"; }

  4977. enabled opencl            && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||

  4978.                                check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||

  4979.                                die "ERROR: opencl not found"; } &&

  4980.                              { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||

  4981.                                check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||

  4982.                                die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }

  4983. enabled opengl            && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||

  4984.                                check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||

  4985.                                check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||

  4986.                                check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||

  4987.                                die "ERROR: opengl not found."

  4988.                              }

  4989. enabled openssl           && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||

  4990.                                check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||

  4991.                                check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||

  4992.                                die "ERROR: openssl not found"; }

  4993. enabled qtkit_indev      && { check_header_oc QTKit/QTKit.h || disable qtkit_indev; }

  4994. 

  4995. if enabled gnutls; then

  4996.     { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||

  4997.     { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }

  4998. fi

  4999. 

  5000. # libdc1394 check

  5001. if enabled libdc1394; then

  5002.     { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&

  5003.         enable libdc1394_2; } ||

  5004.     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&

  5005.         enable libdc1394_1; } ||

  5006.     die "ERROR: No version of libdc1394 found "

  5007. fi

  5008. if ! disabled sdl; then

  5009.     SDL_CONFIG="${cross_prefix}sdl-config"

  5010.     if check_pkg_config sdl SDL_events.h SDL_PollEvent; then

  5011.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5012.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5013.         enable sdl

  5014.     else

  5015.         if "${SDL_CONFIG}" --version > /dev/null 2>&1; then

  5016.             sdl_cflags=$("${SDL_CONFIG}" --cflags)

  5017.             sdl_libs=$("${SDL_CONFIG}" --libs)

  5018.             check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&

  5019.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5020.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5021.             enable sdl

  5022.         elif enabled sdl ; then

  5023.             die "ERROR: SDL not found"

  5024.         else

  5025.             disable sdl

  5026.         fi

  5027.     fi

  5028. fi

  5029. enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs

  5030. 

  5031. makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo

  5032. enabled makeinfo && (makeinfo --version | \

  5033.                      grep -q 'makeinfo (GNU texinfo) 5' > /dev/null 2>&1) \

  5034.     && enable makeinfo_html || disable makeinfo_html

  5035. disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html

  5036. perl -v            > /dev/null 2>&1 && enable perl      || disable perl

  5037. pod2man --help     > /dev/null 2>&1 && enable pod2man   || disable pod2man

  5038. rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout

  5039. 

  5040. check_header linux/fb.h

  5041. check_header linux/videodev.h

  5042. check_header linux/videodev2.h

  5043. check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5044. 

  5045. check_header sys/videoio.h

  5046. check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5047. 

  5048. check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"

  5049. # check that WM_CAP_DRIVER_CONNECT is defined to the proper value

  5050. # w32api 3.12 had it defined wrong

  5051. check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines

  5052. 

  5053. check_type "dshow.h" IBaseFilter

  5054. 

  5055. # check for ioctl_meteor.h, ioctl_bt848.h and alternatives

  5056. { check_header dev/bktr/ioctl_meteor.h &&

  5057.   check_header dev/bktr/ioctl_bt848.h; } ||

  5058. { check_header machine/ioctl_meteor.h &&

  5059.   check_header machine/ioctl_bt848.h; } ||

  5060. { check_header dev/video/meteor/ioctl_meteor.h &&

  5061.   check_header dev/video/bktr/ioctl_bt848.h; } ||

  5062. check_header dev/ic/bt8xx.h

  5063. 

  5064. check_header sndio.h

  5065. if check_struct sys/soundcard.h audio_buf_info bytes; then

  5066.     enable_safe sys/soundcard.h

  5067. else

  5068.     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h

  5069.     #include <sys/soundcard.h>

  5070.     audio_buf_info abc;

  5071. EOF

  5072. fi

  5073. check_header soundcard.h

  5074. 

  5075. enabled_any alsa_indev alsa_outdev &&

  5076.     check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound

  5077. 

  5078. enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&

  5079.     check_func jack_port_get_latency_range -ljack

  5080. 

  5081. enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio

  5082. 

  5083. if enabled libcdio; then

  5084.     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5085.     check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5086.     die "ERROR: No usable libcdio/cdparanoia found"

  5087. fi

  5088. 

  5089. enabled xlib &&

  5090.     check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib

  5091. 

  5092. if ! disabled libxcb; then

  5093.     check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {

  5094.         enabled libxcb && die "ERROR: libxcb >= 1.4 not found";

  5095.     } && disable x11grab && enable libxcb

  5096. 

  5097. if enabled libxcb; then

  5098.     disabled libxcb_shm || {

  5099.         check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {

  5100.             enabled libxcb_shm && die "ERROR: libxcb_shm not found";

  5101.         } && check_header sys/shm.h && enable libxcb_shm; }

  5102. 

  5103.     disabled libxcb_xfixes || {

  5104.         check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {

  5105.             enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";

  5106.         } && enable libxcb_xfixes; }

  5107. 

  5108.     disabled libxcb_shape || {

  5109.         check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {

  5110.             enabled libxcb_shape && die "ERROR: libxcb_shape not found";

  5111.         } && enable libxcb_shape; }

  5112. 

  5113.     add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags

  5114.     add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs

  5115. fi

  5116. fi

  5117. 

  5118. if enabled x11grab; then

  5119.     enabled xlib || die "ERROR: Xlib not found"

  5120.     require Xext X11/extensions/XShm.h XShmCreateImage -lXext

  5121.     require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes

  5122. fi

  5123. 

  5124. check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"

  5125. 

  5126. enabled dxva2api_h &&

  5127.     check_cc <<EOF && enable dxva2api_cobj

  5128. #define _WIN32_WINNT 0x0600

  5129. #define COBJMACROS

  5130. #include <windows.h>

  5131. #include <d3d9.h>

  5132. #include <dxva2api.h>

  5133. int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }

  5134. EOF

  5135. 

  5136. enabled vaapi &&

  5137.     check_lib va/va.h vaInitialize -lva ||

  5138.     disable vaapi

  5139. 

  5140. enabled vaapi && enabled xlib &&

  5141.     check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&

  5142.     enable vaapi_x11

  5143. 

  5144. enabled vdpau &&

  5145.     check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||

  5146.     disable vdpau

  5147. 

  5148. enabled vdpau && enabled xlib &&

  5149.     check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&

  5150.     prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&

  5151.     enable vdpau_x11

  5152. 

  5153. # Funny iconv installations are not unusual, so check it after all flags have been set

  5154. disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv

  5155. 

  5156. enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"

  5157. 

  5158. # add some useful compiler flags if supported

  5159. check_cflags -Wdeclaration-after-statement

  5160. check_cflags -Wall

  5161. check_cflags -Wdisabled-optimization

  5162. check_cflags -Wpointer-arith

  5163. check_cflags -Wredundant-decls

  5164. check_cflags -Wwrite-strings

  5165. check_cflags -Wtype-limits

  5166. check_cflags -Wundef

  5167. check_cflags -Wmissing-prototypes

  5168. check_cflags -Wno-pointer-to-int-cast

  5169. check_cflags -Wstrict-prototypes

  5170. check_cflags -Wempty-body

  5171. enabled extra_warnings && check_cflags -Winline

  5172. 

  5173. check_disable_warning(){

  5174.     warning_flag=-W${1#-Wno-}

  5175.     test_cflags $warning_flag && add_cflags $1

  5176. }

  5177. 

  5178. check_disable_warning -Wno-parentheses

  5179. check_disable_warning -Wno-switch

  5180. check_disable_warning -Wno-format-zero-length

  5181. check_disable_warning -Wno-pointer-sign

  5182. 

  5183. # add some linker flags

  5184. check_ldflags -Wl,--warn-common

  5185. check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample

  5186. enabled rpath && add_ldexeflags -Wl,-rpath,$libdir

  5187. test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic

  5188. 

  5189. # add some strip flags

  5190. # -wN '..@*' is more selective than -x, but not available everywhere.

  5191. check_stripflags -wN \'..@*\' || check_stripflags -x

  5192. 

  5193. enabled neon_clobber_test &&

  5194.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5195.                   -Wl,--wrap,avcodec_decode_audio4      \

  5196.                   -Wl,--wrap,avcodec_decode_video2      \

  5197.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5198.                   -Wl,--wrap,avcodec_encode_audio2      \

  5199.                   -Wl,--wrap,avcodec_encode_video2      \

  5200.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5201.                   -Wl,--wrap,swr_convert                \

  5202.                   -Wl,--wrap,avresample_convert ||

  5203.     disable neon_clobber_test

  5204. 

  5205. enabled xmm_clobber_test &&

  5206.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5207.                   -Wl,--wrap,avcodec_decode_audio4      \

  5208.                   -Wl,--wrap,avcodec_decode_video2      \

  5209.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5210.                   -Wl,--wrap,avcodec_encode_audio2      \

  5211.                   -Wl,--wrap,avcodec_encode_video       \

  5212.                   -Wl,--wrap,avcodec_encode_video2      \

  5213.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5214.                   -Wl,--wrap,swr_convert                \

  5215.                   -Wl,--wrap,avresample_convert         \

  5216.                   -Wl,--wrap,sws_scale ||

  5217.     disable xmm_clobber_test

  5218. 

  5219. echo "X{};" > $TMPV

  5220. if test_ldflags -Wl,--version-script,$TMPV; then

  5221.     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'

  5222.     check_cc <<EOF && enable symver_asm_label

  5223. void ff_foo(void) __asm__ ("av_foo@VERSION");

  5224. void ff_foo(void) { ${inline_asm+__asm__($quotes);} }

  5225. EOF

  5226.     check_cc <<EOF && enable symver_gnu_asm

  5227. __asm__(".symver ff_foo,av_foo@VERSION");

  5228. void ff_foo(void) {}

  5229. EOF

  5230. fi

  5231. 

  5232. if [ -z "$optflags" ]; then

  5233.     if enabled small; then

  5234.         optflags=$cflags_size

  5235.     elif enabled optimizations; then

  5236.         optflags=$cflags_speed

  5237.     else

  5238.         optflags=$cflags_noopt

  5239.     fi

  5240. fi

  5241. 

  5242. check_optflags(){

  5243.     check_cflags "$@"

  5244.     enabled lto && check_ldflags "$@"

  5245. }

  5246. 

  5247. 

  5248. if enabled lto; then

  5249.     test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"

  5250.     check_cflags  -flto

  5251.     check_ldflags -flto $cpuflags

  5252.     disable inline_asm_direct_symbol_refs

  5253. fi

  5254. 

  5255. check_optflags $optflags

  5256. check_optflags -fno-math-errno

  5257. check_optflags -fno-signed-zeros

  5258. 

  5259. enabled ftrapv && check_cflags -ftrapv

  5260. 

  5261. check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"

  5262. int x;

  5263. EOF

  5264. 

  5265. 

  5266. if enabled icc; then

  5267.     # Just warnings, no remarks

  5268.     check_cflags -w1

  5269.     # -wd: Disable following warnings

  5270.     # 144, 167, 556: -Wno-pointer-sign

  5271.     # 188: enumerated type mixed with another type

  5272.     # 1292: attribute "foo" ignored

  5273.     # 1419: external declaration in primary source file

  5274.     # 10006: ignoring unknown option -fno-signed-zeros

  5275.     # 10148: ignoring unknown option -Wno-parentheses

  5276.     # 10156: ignoring option '-W'; no argument required

  5277.     check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156

  5278.     # 11030: Warning unknown option --as-needed

  5279.     # 10156: ignoring option '-export'; no argument required

  5280.     check_ldflags -wd10156,11030

  5281.     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test

  5282.     enable ebp_available

  5283.     # The test above does not test linking

  5284.     enabled lto && disable symver_asm_label

  5285.     if enabled x86_32; then

  5286.         icc_version=$($cc -dumpversion)

  5287.         test ${icc_version%%.*} -ge 11 &&

  5288.             check_cflags -falign-stack=maintain-16-byte ||

  5289.             disable aligned_stack

  5290.     fi

  5291. elif enabled ccc; then

  5292.     # disable some annoying warnings

  5293.     add_cflags -msg_disable bitnotint

  5294.     add_cflags -msg_disable mixfuncvoid

  5295.     add_cflags -msg_disable nonstandcast

  5296.     add_cflags -msg_disable unsupieee

  5297. elif enabled gcc; then

  5298.     check_optflags -fno-tree-vectorize

  5299.     check_cflags -Werror=format-security

  5300.     check_cflags -Werror=implicit-function-declaration

  5301.     check_cflags -Werror=missing-prototypes

  5302.     check_cflags -Werror=return-type

  5303.     check_cflags -Werror=vla

  5304.     check_cflags -Wformat

  5305.     enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized

  5306. elif enabled llvm_gcc; then

  5307.     check_cflags -mllvm -stack-alignment=16

  5308. elif enabled clang; then

  5309.     check_cflags -mllvm -stack-alignment=16

  5310.     check_cflags -Qunused-arguments

  5311.     check_cflags -Werror=implicit-function-declaration

  5312.     check_cflags -Werror=missing-prototypes

  5313.     check_cflags -Werror=return-type

  5314. elif enabled cparser; then

  5315.     add_cflags -Wno-missing-variable-declarations

  5316.     add_cflags -Wno-empty-statement

  5317. elif enabled armcc; then

  5318.     add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat

  5319.     add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir

  5320.     # 2523: use of inline assembly is deprecated

  5321.     add_cflags -W${armcc_opt},--diag_suppress=2523

  5322.     add_cflags -W${armcc_opt},--diag_suppress=1207

  5323.     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition

  5324.     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat

  5325.     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign

  5326.     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign

  5327. elif enabled tms470; then

  5328.     add_cflags -pds=824 -pds=837

  5329.     disable inline_asm

  5330. elif enabled pathscale; then

  5331.     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF

  5332. elif enabled_any msvc icl; then

  5333.     enabled x86_32 && disable aligned_stack

  5334.     enabled_all x86_32 debug && add_cflags -Oy-

  5335.     enabled debug && add_ldflags -debug

  5336.     enable pragma_deprecated

  5337.     if enabled icl; then

  5338.         # -Qansi-alias is basically -fstrict-aliasing, but does not work

  5339.         # (correctly) on icl 13.x.

  5340.         check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&

  5341.             add_cflags -Qansi-alias

  5342.         # Some inline asm is not compilable in debug

  5343.         if enabled debug; then

  5344.             disable ebp_available

  5345.             disable ebx_available

  5346.         fi

  5347.     fi

  5348.     # msvcrt10 x64 incorrectly enables log2, only msvcrt12 onwards actually has log2.

  5349.     check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2

  5350. fi

  5351. 

  5352. case $as_type in

  5353.     clang)

  5354.         add_asflags -Qunused-arguments

  5355.     ;;

  5356. esac

  5357. 

  5358. case $ld_type in

  5359.     clang)

  5360.         check_ldflags -Qunused-arguments

  5361.     ;;

  5362. esac

  5363. 

  5364. case $target_os in

  5365.     osf1)

  5366.         enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'

  5367.     ;;

  5368.     plan9)

  5369.         add_cppflags -Dmain=plan9_main

  5370.     ;;

  5371. esac

  5372. 

  5373. enable frame_thread_encoder

  5374. 

  5375. enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }

  5376. 

  5377. check_deps $CONFIG_LIST       \

  5378.            $CONFIG_EXTRA      \

  5379.            $HAVE_LIST         \

  5380.            $ALL_COMPONENTS    \

  5381. 

  5382. enabled threads && ! enabled pthreads && ! enabled atomics_native && die "non pthread threading without atomics not supported, try adding --enable-pthreads or --cpu=i486 or higher if you are on x86"

  5383. 

  5384. 

  5385. if test $target_os = "haiku"; then

  5386.     disable memalign

  5387.     disable posix_memalign

  5388. fi

  5389. 

  5390. enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&

  5391.     prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&

  5392.     enable dxva2_lib

  5393. 

  5394. ! enabled_any memalign posix_memalign aligned_malloc &&

  5395.     enabled simd_align_16 && enable memalign_hack

  5396. 

  5397. # add_dep lib dep

  5398. # -> enable ${lib}_deps_${dep}

  5399. # -> add $dep to ${lib}_deps only once

  5400. add_dep() {

  5401.     lib=$1

  5402.     dep=$2

  5403.     enabled "${lib}_deps_${dep}" && return 0

  5404.     enable  "${lib}_deps_${dep}"

  5405.     prepend "${lib}_deps" $dep

  5406. }

  5407. 

  5408. # merge deps lib components

  5409. # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*

  5410. merge_deps() {

  5411.     lib=$1

  5412.     shift

  5413.     for comp in $*; do

  5414.         enabled $comp || continue

  5415.         eval "dep=\"\$${comp}_deps\""

  5416.         for d in $dep; do

  5417.             add_dep $lib $d

  5418.         done

  5419.     done

  5420. }

  5421. 

  5422. merge_deps libavfilter $FILTER_LIST

  5423. 

  5424. map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST

  5425. 

  5426. for thread in $THREADS_LIST; do

  5427.     if enabled $thread; then

  5428.         test -n "$thread_type" &&

  5429.             die "ERROR: Only one thread type must be selected." ||

  5430.             thread_type="$thread"

  5431.     fi

  5432. done

  5433. 

  5434. enabled zlib && add_cppflags -DZLIB_CONST

  5435. 

  5436. # conditional library dependencies, in linking order

  5437. enabled amovie_filter       && prepend avfilter_deps "avformat avcodec"

  5438. enabled aresample_filter    && prepend avfilter_deps "swresample"

  5439. enabled asyncts_filter      && prepend avfilter_deps "avresample"

  5440. enabled atempo_filter       && prepend avfilter_deps "avcodec"

  5441. enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"

  5442. enabled elbg_filter         && prepend avfilter_deps "avcodec"

  5443. enabled mcdeint_filter      && prepend avfilter_deps "avcodec"

  5444. enabled movie_filter    && prepend avfilter_deps "avformat avcodec"

  5445. enabled pan_filter          && prepend avfilter_deps "swresample"

  5446. enabled pp_filter           && prepend avfilter_deps "postproc"

  5447. enabled removelogo_filter   && prepend avfilter_deps "avformat avcodec swscale"

  5448. enabled resample_filter && prepend avfilter_deps "avresample"

  5449. enabled sab_filter          && prepend avfilter_deps "swscale"

  5450. enabled scale_filter    && prepend avfilter_deps "swscale"

  5451. enabled showspectrum_filter && prepend avfilter_deps "avcodec"

  5452. enabled smartblur_filter    && prepend avfilter_deps "swscale"

  5453. enabled subtitles_filter    && prepend avfilter_deps "avformat avcodec"

  5454. enabled uspp_filter         && prepend avfilter_deps "avcodec"

  5455. 

  5456. enabled lavfi_indev         && prepend avdevice_deps "avfilter"

  5457. 

  5458. enabled opus_decoder    && prepend avcodec_deps "swresample"

  5459. 

  5460. expand_deps(){

  5461.     lib_deps=${1}_deps

  5462.     eval "deps=\$$lib_deps"

  5463.     append $lib_deps $(map 'eval echo \$${v}_deps' $deps)

  5464.     unique $lib_deps

  5465. }

  5466. 

  5467. #we have to remove gpl from the deps here as some code assumes all lib deps are libs

  5468. postproc_deps="$(filter_out 'gpl' $postproc_deps)"

  5469. 

  5470. map 'expand_deps $v' $LIBRARY_LIST

  5471. 

  5472. echo "install prefix            $prefix"

  5473. echo "source path               $source_path"

  5474. echo "C compiler                $cc"

  5475. echo "C library                 $libc_type"

  5476. if test "$host_cc" != "$cc"; then

  5477.     echo "host C compiler           $host_cc"

  5478.     echo "host C library            $host_libc_type"

  5479. fi

  5480. echo "ARCH                      $arch ($cpu)"

  5481. if test "$build_suffix" != ""; then

  5482.     echo "build suffix              $build_suffix"

  5483. fi

  5484. if test "$progs_suffix" != ""; then

  5485.     echo "progs suffix              $progs_suffix"

  5486. fi

  5487. if test "$extra_version" != ""; then

  5488.     echo "version string suffix     $extra_version"

  5489. fi

  5490. echo "big-endian                ${bigendian-no}"

  5491. echo "runtime cpu detection     ${runtime_cpudetect-no}"

  5492. if enabled x86; then

  5493.     echo "${yasmexe}                      ${yasm-no}"

  5494.     echo "MMX enabled               ${mmx-no}"

  5495.     echo "MMXEXT enabled            ${mmxext-no}"

  5496.     echo "3DNow! enabled            ${amd3dnow-no}"

  5497.     echo "3DNow! extended enabled   ${amd3dnowext-no}"

  5498.     echo "SSE enabled               ${sse-no}"

  5499.     echo "SSSE3 enabled             ${ssse3-no}"

  5500.     echo "AVX enabled               ${avx-no}"

  5501.     echo "XOP enabled               ${xop-no}"

  5502.     echo "FMA3 enabled              ${fma3-no}"

  5503.     echo "FMA4 enabled              ${fma4-no}"

  5504.     echo "i686 features enabled     ${i686-no}"

  5505.     echo "CMOV is fast              ${fast_cmov-no}"

  5506.     echo "EBX available             ${ebx_available-no}"

  5507.     echo "EBP available             ${ebp_available-no}"

  5508. fi

  5509. if enabled aarch64; then

  5510.     echo "NEON enabled              ${neon-no}"

  5511.     echo "VFP enabled               ${vfp-no}"

  5512. fi

  5513. if enabled arm; then

  5514.     echo "ARMv5TE enabled           ${armv5te-no}"

  5515.     echo "ARMv6 enabled             ${armv6-no}"

  5516.     echo "ARMv6T2 enabled           ${armv6t2-no}"

  5517.     echo "VFP enabled               ${vfp-no}"

  5518.     echo "NEON enabled              ${neon-no}"

  5519.     echo "THUMB enabled             ${thumb-no}"

  5520. fi

  5521. if enabled mips; then

  5522.     echo "MIPS FPU enabled          ${mipsfpu-no}"

  5523.     echo "MIPS32R2 enabled          ${mips32r2-no}"

  5524.     echo "MIPS DSP R1 enabled       ${mipsdspr1-no}"

  5525.     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"

  5526. fi

  5527. if enabled ppc; then

  5528.     echo "AltiVec enabled           ${altivec-no}"

  5529.     echo "PPC 4xx optimizations     ${ppc4xx-no}"

  5530.     echo "PPC VSX optimizations     ${vsx-no}"

  5531.     echo "dcbzl available           ${dcbzl-no}"

  5532. fi

  5533. echo "debug symbols             ${debug-no}"

  5534. echo "strip symbols             ${stripping-no}"

  5535. echo "optimize for size         ${small-no}"

  5536. echo "optimizations             ${optimizations-no}"

  5537. echo "static                    ${static-no}"

  5538. echo "shared                    ${shared-no}"

  5539. echo "postprocessing support    ${postproc-no}"

  5540. echo "new filter support        ${avfilter-no}"

  5541. echo "network support           ${network-no}"

  5542. echo "threading support         ${thread_type-no}"

  5543. echo "safe bitstream reader     ${safe_bitstream_reader-no}"

  5544. echo "SDL support               ${sdl-no}"

  5545. echo "opencl enabled            ${opencl-no}"

  5546. echo "texi2html enabled         ${texi2html-no}"

  5547. echo "perl enabled              ${perl-no}"

  5548. echo "pod2man enabled           ${pod2man-no}"

  5549. echo "makeinfo enabled          ${makeinfo-no}"

  5550. echo "makeinfo supports HTML    ${makeinfo_html-no}"

  5551. test -n "$random_seed" &&

  5552.     echo "random seed               ${random_seed}"

  5553. echo

  5554. 

  5555. echo "External libraries:"

  5556. print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns

  5557. echo

  5558. 

  5559. for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do

  5560.     echo "Enabled ${type}s:"

  5561.     eval list=\$$(toupper $type)_LIST

  5562.     print_enabled '_*' $list | print_3_columns

  5563.     echo

  5564. done

  5565. 

  5566. license="LGPL version 2.1 or later"

  5567. if enabled nonfree; then

  5568.     license="nonfree and unredistributable"

  5569. elif enabled gplv3; then

  5570.     license="GPL version 3 or later"

  5571. elif enabled lgplv3; then

  5572.     license="LGPL version 3 or later"

  5573. elif enabled gpl; then

  5574.     license="GPL version 2 or later"

  5575. fi

  5576. 

  5577. echo "License: $license"

  5578. 

  5579. echo "Creating config.mak, config.h, and doc/config.texi..."

  5580. 

  5581. test -e Makefile || echo "include $source_path/Makefile" > Makefile

  5582. 

  5583. enabled stripping || strip="echo skipping strip"

  5584. 

  5585. config_files="$TMPH config.mak doc/config.texi"

  5586. 

  5587. cat > config.mak <<EOF

  5588. # Automatically generated by configure - do not modify!

  5589. ifndef FFMPEG_CONFIG_MAK

  5590. FFMPEG_CONFIG_MAK=1

  5591. FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION

  5592. prefix=$prefix

  5593. LIBDIR=\$(DESTDIR)$libdir

  5594. SHLIBDIR=\$(DESTDIR)$shlibdir

  5595. INCDIR=\$(DESTDIR)$incdir

  5596. BINDIR=\$(DESTDIR)$bindir

  5597. DATADIR=\$(DESTDIR)$datadir

  5598. DOCDIR=\$(DESTDIR)$docdir

  5599. MANDIR=\$(DESTDIR)$mandir

  5600. SRC_PATH=$source_path

  5601. ifndef MAIN_MAKEFILE

  5602. SRC_PATH:=\$(SRC_PATH:.%=..%)

  5603. endif

  5604. CC_IDENT=$cc_ident

  5605. ARCH=$arch

  5606. INTRINSICS=$intrinsics

  5607. CC=$cc

  5608. CXX=$cxx

  5609. AS=$as

  5610. LD=$ld

  5611. DEPCC=$dep_cc

  5612. DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)

  5613. DEPAS=$as

  5614. DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)

  5615. YASM=$yasmexe

  5616. DEPYASM=$yasmexe

  5617. AR=$ar

  5618. ARFLAGS=$arflags

  5619. AR_O=$ar_o

  5620. RANLIB=$ranlib

  5621. STRIP=$strip

  5622. CP=cp -p

  5623. LN_S=$ln_s

  5624. CPPFLAGS=$CPPFLAGS

  5625. CFLAGS=$CFLAGS

  5626. CXXFLAGS=$CXXFLAGS

  5627. ASFLAGS=$ASFLAGS

  5628. AS_C=$AS_C

  5629. AS_O=$AS_O

  5630. CC_C=$CC_C

  5631. CC_E=$CC_E

  5632. CC_O=$CC_O

  5633. CXX_C=$CXX_C

  5634. CXX_O=$CXX_O

  5635. LD_O=$LD_O

  5636. LD_LIB=$LD_LIB

  5637. LD_PATH=$LD_PATH

  5638. DLLTOOL=$dlltool

  5639. WINDRES=$windres

  5640. DEPWINDRES=$dep_cc

  5641. DOXYGEN=$doxygen

  5642. LDFLAGS=$LDFLAGS

  5643. LDEXEFLAGS=$LDEXEFLAGS

  5644. SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))

  5645. ASMSTRIPFLAGS=$ASMSTRIPFLAGS

  5646. YASMFLAGS=$YASMFLAGS

  5647. BUILDSUF=$build_suffix

  5648. PROGSSUF=$progs_suffix

  5649. FULLNAME=$FULLNAME

  5650. LIBPREF=$LIBPREF

  5651. LIBSUF=$LIBSUF

  5652. LIBNAME=$LIBNAME

  5653. SLIBPREF=$SLIBPREF

  5654. SLIBSUF=$SLIBSUF

  5655. EXESUF=$EXESUF

  5656. EXTRA_VERSION=$extra_version

  5657. CCDEP=$CCDEP

  5658. CXXDEP=$CXXDEP

  5659. CCDEP_FLAGS=$CCDEP_FLAGS

  5660. ASDEP=$ASDEP

  5661. ASDEP_FLAGS=$ASDEP_FLAGS

  5662. CC_DEPFLAGS=$CC_DEPFLAGS

  5663. AS_DEPFLAGS=$AS_DEPFLAGS

  5664. HOSTCC=$host_cc

  5665. HOSTLD=$host_ld

  5666. HOSTCFLAGS=$host_cflags

  5667. HOSTCPPFLAGS=$host_cppflags

  5668. HOSTEXESUF=$HOSTEXESUF

  5669. HOSTLDFLAGS=$host_ldflags

  5670. HOSTLIBS=$host_libs

  5671. DEPHOSTCC=$host_cc

  5672. DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)

  5673. HOSTCCDEP=$HOSTCCDEP

  5674. HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS

  5675. HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS

  5676. HOSTCC_C=$HOSTCC_C

  5677. HOSTCC_O=$HOSTCC_O

  5678. HOSTLD_O=$HOSTLD_O

  5679. TARGET_EXEC=$target_exec $target_exec_args

  5680. TARGET_PATH=$target_path

  5681. TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}

  5682. CFLAGS-ffplay=$sdl_cflags

  5683. ZLIB=$($ldflags_filter -lz)

  5684. LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD

  5685. EXTRALIBS=$extralibs

  5686. COMPAT_OBJS=$compat_objs

  5687. EXEOBJS=$exeobjs

  5688. INSTALL=$install

  5689. LIBTARGET=${LIBTARGET}

  5690. SLIBNAME=${SLIBNAME}

  5691. SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}

  5692. SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}

  5693. SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}

  5694. SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}

  5695. SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}

  5696. SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}

  5697. SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}

  5698. SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}

  5699. SAMPLES:=${samples:-\$(FATE_SAMPLES)}

  5700. NOREDZONE_FLAGS=$noredzone_flags

  5701. EOF

  5702. 

  5703. get_version(){

  5704.     lcname=lib${1}

  5705.     name=$(toupper $lcname)

  5706.     file=$source_path/$lcname/version.h

  5707.     eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")

  5708.     enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))

  5709.     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO

  5710.     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak

  5711.     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak

  5712.     eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak

  5713. }

  5714. 

  5715. map 'get_version $v' $LIBRARY_LIST

  5716. 

  5717. map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST

  5718. 

  5719. print_program_libs(){

  5720.     eval "program_libs=\$${1}_libs"

  5721.     eval echo "LIBS-${1}=${program_libs}" >> config.mak

  5722. }

  5723. 

  5724. map 'print_program_libs $v' $PROGRAM_LIST

  5725. 

  5726. cat > $TMPH <<EOF

  5727. /* Automatically generated by configure - do not modify! */

  5728. #ifndef FFMPEG_CONFIG_H

  5729. #define FFMPEG_CONFIG_H

  5730. #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"

  5731. #define FFMPEG_LICENSE "$(c_escape $license)"

  5732. #define CONFIG_THIS_YEAR 2015

  5733. #define FFMPEG_DATADIR "$(eval c_escape $datadir)"

  5734. #define AVCONV_DATADIR "$(eval c_escape $datadir)"

  5735. #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"

  5736. #define av_restrict $_restrict

  5737. #define EXTERN_PREFIX "${extern_prefix}"

  5738. #define EXTERN_ASM ${extern_prefix}

  5739. #define BUILDSUF "$build_suffix"

  5740. #define SLIBSUF "$SLIBSUF"

  5741. #define HAVE_MMX2 HAVE_MMXEXT

  5742. #define SWS_MAX_FILTER_SIZE $sws_max_filter_size

  5743. EOF

  5744. 

  5745. test -n "$assert_level" &&

  5746.     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH

  5747. 

  5748. test -n "$malloc_prefix" &&

  5749.     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH

  5750. 

  5751. if enabled yasm; then

  5752.     append config_files $TMPASM

  5753.     printf '' >$TMPASM

  5754. fi

  5755. 

  5756. enabled getenv || echo "#define getenv(x) NULL" >> $TMPH

  5757. 

  5758. 

  5759. mkdir -p doc

  5760. mkdir -p tests

  5761. echo "@c auto-generated by configure" > doc/config.texi

  5762. 

  5763. print_config ARCH_   "$config_files" $ARCH_LIST

  5764. print_config HAVE_   "$config_files" $HAVE_LIST

  5765. print_config CONFIG_ "$config_files" $CONFIG_LIST       \

  5766.                                      $CONFIG_EXTRA      \

  5767.                                      $ALL_COMPONENTS    \

  5768. 

  5769. echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH

  5770. echo "endif # FFMPEG_CONFIG_MAK" >> config.mak

  5771. 

  5772. # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.

  5773. cp_if_changed $TMPH config.h

  5774. touch .config

  5775. 

  5776. enabled yasm && cp_if_changed $TMPASM config.asm

  5777. 

  5778. cat > $TMPH <<EOF

  5779. /* Generated by ffconf */

  5780. #ifndef AVUTIL_AVCONFIG_H

  5781. #define AVUTIL_AVCONFIG_H

  5782. EOF

  5783. 

  5784. print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB

  5785. 

  5786. echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH

  5787. 

  5788. cp_if_changed $TMPH libavutil/avconfig.h

  5789. 

  5790. if test -n "$WARNINGS"; then

  5791.     printf "\n$WARNINGS"

  5792.     enabled fatal_warnings && exit 1

  5793. fi

  5794. 

  5795. # build pkg-config files

  5796. 

  5797. lib_version(){

  5798.     eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""

  5799. }

  5800. 

  5801. pkgconfig_generate(){

  5802.     name=$1

  5803.     shortname=${name#lib}${build_suffix}

  5804.     comment=$2

  5805.     version=$3

  5806.     libs=$4

  5807.     requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))

  5808.     requires=${requires%, }

  5809.     enabled ${name#lib} || return 0

  5810.     mkdir -p $name

  5811.     cat <<EOF > $name/$name${build_suffix}.pc

  5812. prefix=$prefix

  5813. exec_prefix=\${prefix}

  5814. libdir=$libdir

  5815. includedir=$incdir

  5816. 

  5817. Name: $name

  5818. Description: $comment

  5819. Version: $version

  5820. Requires: $(enabled shared || echo $requires)

  5821. Requires.private: $(enabled shared && echo $requires)

  5822. Conflicts:

  5823. Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)

  5824. Libs.private: $(enabled shared && echo $libs)

  5825. Cflags: -I\${includedir}

  5826. EOF

  5827. 

  5828. mkdir -p doc/examples/pc-uninstalled

  5829. includedir=${source_path}

  5830. [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."

  5831.     cat <<EOF > doc/examples/pc-uninstalled/$name.pc

  5832. prefix=

  5833. exec_prefix=

  5834. libdir=\${pcfiledir}/../../../$name

  5835. includedir=${includedir}

  5836. 

  5837. Name: $name

  5838. Description: $comment

  5839. Version: $version

  5840. Requires: $requires

  5841. Conflicts:

  5842. Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)

  5843. Cflags: -I\${includedir}

  5844. EOF

  5845. }

  5846. 

  5847. pkgconfig_generate libavutil     "FFmpeg utility library"               "$LIBAVUTIL_VERSION"     "$LIBRT $LIBM"

  5848. pkgconfig_generate libavcodec    "FFmpeg codec library"                 "$LIBAVCODEC_VERSION"    "$extralibs"

  5849. pkgconfig_generate libavformat   "FFmpeg container format library"      "$LIBAVFORMAT_VERSION"   "$extralibs"

  5850. pkgconfig_generate libavdevice   "FFmpeg device handling library"       "$LIBAVDEVICE_VERSION"   "$extralibs"

  5851. pkgconfig_generate libavfilter   "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION"   "$extralibs"

  5852. pkgconfig_generate libpostproc   "FFmpeg postprocessing library"        "$LIBPOSTPROC_VERSION"   ""

  5853. pkgconfig_generate libavresample "Libav audio resampling library"       "$LIBAVRESAMPLE_VERSION" "$LIBM"

  5854. pkgconfig_generate libswscale    "FFmpeg image rescaling library"       "$LIBSWSCALE_VERSION"    "$LIBM"

  5855. pkgconfig_generate libswresample "FFmpeg audio resampling library"      "$LIBSWRESAMPLE_VERSION" "$LIBM"