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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 [PREFIX/lib]

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

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

  90. 

  91. Licensing options:

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

  93.                            and binaries will be under GPL [no]

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

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

  96.                            and binaries will be unredistributable [no]

  97. 

  98. Configuration options:

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

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

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

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

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

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

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

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

  107.   --enable-incompatible-fork-abi  enable incompatible Libav fork ABI (deprecated) [no]

  108. 

  109. Program options:

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

  111.   --disable-ffmpeg         disable ffmpeg build

  112.   --disable-ffplay         disable ffplay build

  113.   --disable-ffprobe        disable ffprobe build

  114.   --disable-ffserver       disable ffserver build

  115. 

  116. Documentation options:

  117.   --disable-doc            do not build documentation

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

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

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

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

  122. 

  123. Component options:

  124.   --disable-avdevice       disable libavdevice build

  125.   --disable-avcodec        disable libavcodec build

  126.   --disable-avformat       disable libavformat build

  127.   --disable-avutil         disable libavutil build

  128.   --disable-swresample     disable libswresample build

  129.   --disable-swscale        disable libswscale build

  130.   --disable-postproc       disable libpostproc build

  131.   --disable-avfilter       disable libavfilter build

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

  133.   --disable-pthreads       disable pthreads [auto]

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

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

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

  137.   --disable-dct            disable DCT code

  138.   --disable-dwt            disable DWT code

  139.   --disable-error-resilience disable error resilience code

  140.   --disable-lsp            disable LSP code

  141.   --disable-lzo            disable LZO decoder code

  142.   --disable-mdct           disable MDCT code

  143.   --disable-rdft           disable RDFT code

  144.   --disable-fft            disable FFT code

  145. 

  146. Hardware accelerators:

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

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

  149.   --enable-vda             enable VDA code

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

  151. 

  152. Individual component options:

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

  154.   --disable-encoder=NAME   disable encoder NAME

  155.   --enable-encoder=NAME    enable encoder NAME

  156.   --disable-encoders       disable all encoders

  157.   --disable-decoder=NAME   disable decoder NAME

  158.   --enable-decoder=NAME    enable decoder NAME

  159.   --disable-decoders       disable all decoders

  160.   --disable-hwaccel=NAME   disable hwaccel NAME

  161.   --enable-hwaccel=NAME    enable hwaccel NAME

  162.   --disable-hwaccels       disable all hwaccels

  163.   --disable-muxer=NAME     disable muxer NAME

  164.   --enable-muxer=NAME      enable muxer NAME

  165.   --disable-muxers         disable all muxers

  166.   --disable-demuxer=NAME   disable demuxer NAME

  167.   --enable-demuxer=NAME    enable demuxer NAME

  168.   --disable-demuxers       disable all demuxers

  169.   --enable-parser=NAME     enable parser NAME

  170.   --disable-parser=NAME    disable parser NAME

  171.   --disable-parsers        disable all parsers

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

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

  174.   --disable-bsfs           disable all bitstream filters

  175.   --enable-protocol=NAME   enable protocol NAME

  176.   --disable-protocol=NAME  disable protocol NAME

  177.   --disable-protocols      disable all protocols

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

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

  180.   --disable-indevs         disable input devices

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

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

  183.   --disable-outdevs        disable output devices

  184.   --disable-devices        disable all devices

  185.   --enable-filter=NAME     enable filter NAME

  186.   --disable-filter=NAME    disable filter NAME

  187.   --disable-filters        disable all filters

  188. 

  189. External library support:

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

  191.   --disable-bzlib          disable bzlib [autodetect]

  192.   --enable-fontconfig      enable fontconfig

  193.   --enable-frei0r          enable frei0r video filtering

  194.   --enable-gnutls          enable gnutls [no]

  195.   --disable-iconv          disable iconv [autodetect]

  196.   --enable-ladspa          enable LADSPA audio filtering

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

  198.   --enable-libass          enable libass subtitles rendering [no]

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

  200.   --enable-libcaca         enable textual display using libcaca

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

  202.   --enable-libcdio         enable audio CD grabbing with libcdio

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

  204.                            and libraw1394 [no]

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

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

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

  208.   --enable-libfreetype     enable libfreetype [no]

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

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

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

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

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

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

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

  216.                            native (de)muxer exists [no]

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

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

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

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

  221.   --enable-libopus         enable Opus decoding via libopus [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  239.                            native implementation exists [no]

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

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

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

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

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

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

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

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

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

  249.   --enable-opencl          enable OpenCL code

  250.   --enable-openssl         enable openssl [no]

  251.   --enable-x11grab         enable X11 grabbing [no]

  252.   --disable-zlib           disable zlib [autodetect]

  253. 

  254. Advanced options (experts only):

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  291.                            instruction selection, may crash on older CPUs)

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

  293.   --enable-sram            allow use of on-chip SRAM

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

  295.   --disable-symver         disable symbol versioning

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

  297.   --disable-safe-bitstream-reader

  298.                            disable buffer boundary checking in bitreaders

  299.                            (faster, but may crash)

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

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

  302. 

  303. Optimization options (experts only):

  304.   --disable-asm            disable all assembler optimizations

  305.   --disable-altivec        disable AltiVec optimizations

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

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

  308.   --disable-mmx            disable MMX optimizations

  309.   --disable-mmxext         disable MMXEXT optimizations

  310.   --disable-sse            disable SSE optimizations

  311.   --disable-sse2           disable SSE2 optimizations

  312.   --disable-sse3           disable SSE3 optimizations

  313.   --disable-ssse3          disable SSSE3 optimizations

  314.   --disable-sse4           disable SSE4 optimizations

  315.   --disable-sse42          disable SSE4.2 optimizations

  316.   --disable-avx            disable AVX optimizations

  317.   --disable-fma4           disable FMA4 optimizations

  318.   --disable-avx2           disable AVX2 optimizations

  319.   --disable-armv5te        disable armv5te optimizations

  320.   --disable-armv6          disable armv6 optimizations

  321.   --disable-armv6t2        disable armv6t2 optimizations

  322.   --disable-vfp            disable VFP optimizations

  323.   --disable-neon           disable NEON optimizations

  324.   --disable-vis            disable VIS optimizations

  325.   --disable-inline-asm     disable use of inline assembler

  326.   --disable-yasm           disable use of yasm assembler

  327.   --disable-mips32r2       disable MIPS32R2 optimizations

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

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

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

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

  332. 

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

  334.   --disable-debug          disable debugging symbols

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

  336.   --disable-optimizations  disable compiler optimizations

  337.   --enable-extra-warnings  enable more compiler warnings

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

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

  340.                            2 causes a slowdown at runtime.

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

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

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

  344.                            Cannot be combined with --target-exec

  345.   --enable-ftrapv          Trap arithmetic overflows

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

  347.                            \$FATE_SAMPLES at make invocation time.

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

  349.                            should be used only for debugging purposes)

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

  351.   --disable-random

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

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

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

  355.                            (group) and PROB the probability associated with

  356.                            NAME (default 0.5).

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

  358. 

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

  360. EOF

  361.   exit 0

  362. }

  363. 

  364. quotes='""'

  365. 

  366. log(){

  367.     echo "$@" >> $logfile

  368. }

  369. 

  370. log_file(){

  371.     log BEGIN $1

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

  373.     log END $1

  374. }

  375. 

  376. echolog(){

  377.     log "$@"

  378.     echo "$@"

  379. }

  380. 

  381. warn(){

  382.     log "WARNING: $*"

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

  384. }

  385. 

  386. die(){

  387.     echolog "$@"

  388.     cat <<EOF

  389. 

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

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

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

  393. EOF

  394.     if disabled logging; then

  395.         cat <<EOF

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

  397. include the log this produces with your report.

  398. EOF

  399.     else

  400.         cat <<EOF

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

  402. solving the problem.

  403. EOF

  404.     fi

  405.     exit 1

  406. }

  407. 

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

  409. toupper(){

  410.     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ

  411. }

  412. 

  413. tolower(){

  414.     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz

  415. }

  416. 

  417. c_escape(){

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

  419. }

  420. 

  421. sh_quote(){

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

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

  424.     echo "$v"

  425. }

  426. 

  427. cleanws(){

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

  429. }

  430. 

  431. filter(){

  432.     pat=$1

  433.     shift

  434.     for v; do

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

  436.     done

  437. }

  438. 

  439. filter_out(){

  440.     pat=$1

  441.     shift

  442.     for v; do

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

  444.     done

  445. }

  446. 

  447. map(){

  448.     m=$1

  449.     shift

  450.     for v; do eval $m; done

  451. }

  452. 

  453. add_suffix(){

  454.     suffix=$1

  455.     shift

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

  457. }

  458. 

  459. set_all(){

  460.     value=$1

  461.     shift

  462.     for var in $*; do

  463.         eval $var=$value

  464.     done

  465. }

  466. 

  467. set_weak(){

  468.     value=$1

  469.     shift

  470.     for var; do

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

  472.     done

  473. }

  474. 

  475. sanitize_var_name(){

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

  477. }

  478. 

  479. set_safe(){

  480.     var=$1

  481.     shift

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

  483. }

  484. 

  485. get_safe(){

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

  487. }

  488. 

  489. pushvar(){

  490.     for pvar in $*; do

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

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

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

  494.     done

  495. }

  496. 

  497. popvar(){

  498.     for pvar in $*; do

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

  500.         test $level = 0 && continue

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

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

  503.         eval ${pvar}_level=$level

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

  505.     done

  506. }

  507. 

  508. enable(){

  509.     set_all yes $*

  510. }

  511. 

  512. disable(){

  513.     set_all no $*

  514. }

  515. 

  516. enable_weak(){

  517.     set_weak yes $*

  518. }

  519. 

  520. disable_weak(){

  521.     set_weak no $*

  522. }

  523. 

  524. enable_safe(){

  525.     for var; do

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

  527.     done

  528. }

  529. 

  530. disable_safe(){

  531.     for var; do

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

  533.     done

  534. }

  535. 

  536. do_enable_deep(){

  537.     for var; do

  538.         enabled $var && continue

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

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

  541.         pushvar var sgs

  542.         enable_deep $sel

  543.         popvar sgs

  544.         enable_deep_weak $sgs

  545.         popvar var

  546.     done

  547. }

  548. 

  549. enable_deep(){

  550.     do_enable_deep $*

  551.     enable $*

  552. }

  553. 

  554. enable_deep_weak(){

  555.     for var; do

  556.         disabled $var && continue

  557.         pushvar var

  558.         do_enable_deep $var

  559.         popvar var

  560.         enable_weak $var

  561.     done

  562. }

  563. 

  564. enabled(){

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

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

  567. }

  568. 

  569. disabled(){

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

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

  572. }

  573. 

  574. enabled_all(){

  575.     for opt; do

  576.         enabled $opt || return 1

  577.     done

  578. }

  579. 

  580. disabled_all(){

  581.     for opt; do

  582.         disabled $opt || return 1

  583.     done

  584. }

  585. 

  586. enabled_any(){

  587.     for opt; do

  588.         enabled $opt && return 0

  589.     done

  590. }

  591. 

  592. disabled_any(){

  593.     for opt; do

  594.         disabled $opt && return 0

  595.     done

  596.     return 1

  597. }

  598. 

  599. set_default(){

  600.     for opt; do

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

  602.     done

  603. }

  604. 

  605. is_in(){

  606.     value=$1

  607.     shift

  608.     for var in $*; do

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

  610.     done

  611.     return 1

  612. }

  613. 

  614. do_check_deps(){

  615.     for cfg; do

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

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

  618.         disabled ${cfg}_checking && continue

  619.         enable ${cfg}_checking

  620.         append allopts $cfg

  621. 

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

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

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

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

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

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

  628. 

  629.         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

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

  631.         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

  632. 

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

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

  635.         enabled_all  $dep_all || disable $cfg

  636.         enabled_any  $dep_any || disable $cfg

  637.         disabled_any $dep_sel && disable $cfg

  638. 

  639.         if enabled $cfg; then

  640.             enable_deep $dep_sel

  641.             enable_deep_weak $dep_sgs

  642.         fi

  643. 

  644.         disable ${cfg}_checking

  645.     done

  646. }

  647. 

  648. check_deps(){

  649.     unset allopts

  650. 

  651.     do_check_deps "$@"

  652. 

  653.     for cfg in $allopts; do

  654.         enabled $cfg || continue

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

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

  657.     done

  658. }

  659. 

  660. print_config(){

  661.     pfx=$1

  662.     files=$2

  663.     shift 2

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

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

  666.         {

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

  668.             v = \$2;

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

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

  671.             for (f in files) {

  672.                 file = files[f];

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

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

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

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

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

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

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

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

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

  682.                     yesno = \$2;

  683.                     c2 = tolower(c);

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

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

  686.                 }

  687.             }

  688.         }"

  689. }

  690. 

  691. print_enabled(){

  692.     suf=$1

  693.     shift

  694.     for v; do

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

  696.     done

  697. }

  698. 

  699. append(){

  700.     var=$1

  701.     shift

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

  703. }

  704. 

  705. prepend(){

  706.     var=$1

  707.     shift

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

  709. }

  710. 

  711. add_cppflags(){

  712.     append CPPFLAGS "$@"

  713. }

  714. 

  715. add_cflags(){

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

  717. }

  718. 

  719. add_cxxflags(){

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

  721. }

  722. 

  723. add_asflags(){

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

  725. }

  726. 

  727. add_ldflags(){

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

  729. }

  730. 

  731. add_extralibs(){

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

  733. }

  734. 

  735. add_host_cppflags(){

  736.     append host_cppflags "$@"

  737. }

  738. 

  739. add_host_cflags(){

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

  741. }

  742. 

  743. add_host_ldflags(){

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

  745. }

  746. 

  747. add_compat(){

  748.     append compat_objs $1

  749.     shift

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

  751. }

  752. 

  753. check_cmd(){

  754.     log "$@"

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

  756. }

  757. 

  758. cc_o(){

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

  760. }

  761. 

  762. cc_e(){

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

  764. }

  765. 

  766. check_cc(){

  767.     log check_cc "$@"

  768.     cat > $TMPC

  769.     log_file $TMPC

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

  771. }

  772. 

  773. check_cxx(){

  774.     log check_cxx "$@"

  775.     cat > $TMPCPP

  776.     log_file $TMPCPP

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

  778. }

  779. 

  780. check_cpp(){

  781.     log check_cpp "$@"

  782.     cat > $TMPC

  783.     log_file $TMPC

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

  785. }

  786. 

  787. as_o(){

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

  789. }

  790. 

  791. check_as(){

  792.     log check_as "$@"

  793.     cat > $TMPS

  794.     log_file $TMPS

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

  796. }

  797. 

  798. check_inline_asm(){

  799.     log check_inline_asm "$@"

  800.     name="$1"

  801.     code="$2"

  802.     shift 2

  803.     disable $name

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

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

  806. EOF

  807. }

  808. 

  809. check_insn(){

  810.     log check_insn "$@"

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

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

  813. }

  814. 

  815. check_yasm(){

  816.     log check_yasm "$@"

  817.     echo "$1" > $TMPS

  818.     log_file $TMPS

  819.     shift 1

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

  821. }

  822. 

  823. ld_o(){

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

  825. }

  826. 

  827. check_ld(){

  828.     log check_ld "$@"

  829.     type=$1

  830.     shift 1

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

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

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

  834.     flags=$($ldflags_filter $flags)

  835.     libs=$($ldflags_filter $libs)

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

  837. }

  838. 

  839. check_code(){

  840.     log check_code "$@"

  841.     check=$1

  842.     headers=$2

  843.     code=$3

  844.     shift 3

  845.     {

  846.         for hdr in $headers; do

  847.             echo "#include <$hdr>"

  848.         done

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

  850.     } | check_$check "$@"

  851. }

  852. 

  853. check_cppflags(){

  854.     log check_cppflags "$@"

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

  856. int x;

  857. EOF

  858. }

  859. 

  860. check_cflags(){

  861.     log check_cflags "$@"

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

  863.     check_cc "$@" <<EOF && append CFLAGS "$@"

  864. int x;

  865. EOF

  866. }

  867. 

  868. check_cxxflags(){

  869.     log check_cxxflags "$@"

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

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

  872. int x;

  873. EOF

  874. }

  875. 

  876. test_ldflags(){

  877.     log test_ldflags "$@"

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

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

  880. EOF

  881. }

  882. 

  883. check_ldflags(){

  884.     log check_ldflags "$@"

  885.     test_ldflags "$@" && add_ldflags "$@"

  886. }

  887. 

  888. check_header(){

  889.     log check_header "$@"

  890.     header=$1

  891.     shift

  892.     disable_safe $header

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

  894. #include <$header>

  895. int x;

  896. EOF

  897. }

  898. 

  899. check_func(){

  900.     log check_func "$@"

  901.     func=$1

  902.     shift

  903.     disable $func

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

  905. extern int $func();

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

  907. EOF

  908. }

  909. 

  910. check_mathfunc(){

  911.     log check_mathfunc "$@"

  912.     func=$1

  913.     narg=$2

  914.     shift 2

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

  916.     disable $func

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

  918. #include <math.h>

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

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

  921. EOF

  922. }

  923. 

  924. check_func_headers(){

  925.     log check_func_headers "$@"

  926.     headers=$1

  927.     funcs=$2

  928.     shift 2

  929.     {

  930.         for hdr in $headers; do

  931.             echo "#include <$hdr>"

  932.         done

  933.         for func in $funcs; do

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

  935.         done

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

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

  938. }

  939. 

  940. check_class_headers_cpp(){

  941.     log check_class_headers_cpp "$@"

  942.     headers=$1

  943.     classes=$2

  944.     shift 2

  945.     {

  946.         for hdr in $headers; do

  947.             echo "#include <$hdr>"

  948.         done

  949.         echo "int main(void) { "

  950.         i=1

  951.         for class in $classes; do

  952.             echo "$class obj$i;"

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

  954.         done

  955.         echo "return 0; }"

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

  957. }

  958. 

  959. check_cpp_condition(){

  960.     log check_cpp_condition "$@"

  961.     header=$1

  962.     condition=$2

  963.     shift 2

  964.     check_cpp "$@" <<EOF

  965. #include <$header>

  966. #if !($condition)

  967. #error "unsatisfied condition: $condition"

  968. #endif

  969. EOF

  970. }

  971. 

  972. check_lib(){

  973.     log check_lib "$@"

  974.     header="$1"

  975.     func="$2"

  976.     shift 2

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

  978. }

  979. 

  980. check_lib2(){

  981.     log check_lib2 "$@"

  982.     headers="$1"

  983.     funcs="$2"

  984.     shift 2

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

  986. }

  987. 

  988. check_lib_cpp(){

  989.     log check_lib_cpp "$@"

  990.     headers="$1"

  991.     classes="$2"

  992.     shift 2

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

  994. }

  995. 

  996. check_pkg_config(){

  997.     log check_pkg_config "$@"

  998.     pkg="$1"

  999.     headers="$2"

  1000.     funcs="$3"

  1001.     shift 3

  1002.     check_cmd $pkg_config --exists --print-errors $pkg || return

  1003.     pkg_cflags=$($pkg_config --cflags $pkg)

  1004.     pkg_libs=$($pkg_config --libs $pkg)

  1005.     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&

  1006.         set_safe ${pkg}_cflags $pkg_cflags   &&

  1007.         set_safe ${pkg}_libs   $pkg_libs

  1008. }

  1009. 

  1010. check_exec(){

  1011.     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }

  1012. }

  1013. 

  1014. check_exec_crash(){

  1015.     code=$(cat)

  1016. 

  1017.     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)

  1018.     # are safe but may not be available everywhere.  Thus we use

  1019.     # raise(SIGTERM) instead.  The check is run in a subshell so we

  1020.     # can redirect the "Terminated" message from the shell.  SIGBUS

  1021.     # is not defined by standard C so it is used conditionally.

  1022. 

  1023.     (check_exec "$@") >> $logfile 2>&1 <<EOF

  1024. #include <signal.h>

  1025. static void sighandler(int sig){

  1026.     raise(SIGTERM);

  1027. }

  1028. int foo(void){

  1029.     $code

  1030. }

  1031. int (*func_ptr)(void) = foo;

  1032. int main(void){

  1033.     signal(SIGILL, sighandler);

  1034.     signal(SIGFPE, sighandler);

  1035.     signal(SIGSEGV, sighandler);

  1036. #ifdef SIGBUS

  1037.     signal(SIGBUS, sighandler);

  1038. #endif

  1039.     return func_ptr();

  1040. }

  1041. EOF

  1042. }

  1043. 

  1044. check_type(){

  1045.     log check_type "$@"

  1046.     headers=$1

  1047.     type=$2

  1048.     shift 2

  1049.     disable_safe "$type"

  1050.     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"

  1051. }

  1052. 

  1053. check_struct(){

  1054.     log check_struct "$@"

  1055.     headers=$1

  1056.     struct=$2

  1057.     member=$3

  1058.     shift 3

  1059.     disable_safe "${struct}_${member}"

  1060.     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&

  1061.         enable_safe "${struct}_${member}"

  1062. }

  1063. 

  1064. check_builtin(){

  1065.     log check_builtin "$@"

  1066.     name=$1

  1067.     headers=$2

  1068.     builtin=$3

  1069.     shift 3

  1070.     disable "$name"

  1071.     check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"

  1072. }

  1073. 

  1074. require(){

  1075.     name="$1"

  1076.     header="$2"

  1077.     func="$3"

  1078.     shift 3

  1079.     check_lib $header $func "$@" || die "ERROR: $name not found"

  1080. }

  1081. 

  1082. require2(){

  1083.     name="$1"

  1084.     headers="$2"

  1085.     func="$3"

  1086.     shift 3

  1087.     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"

  1088. }

  1089. 

  1090. require_cpp(){

  1091.     name="$1"

  1092.     headers="$2"

  1093.     classes="$3"

  1094.     shift 3

  1095.     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"

  1096. }

  1097. 

  1098. require_pkg_config(){

  1099.     pkg="$1"

  1100.     check_pkg_config "$@" || die "ERROR: $pkg not found"

  1101.     add_cflags    $(get_safe ${pkg}_cflags)

  1102.     add_extralibs $(get_safe ${pkg}_libs)

  1103. }

  1104. 

  1105. hostcc_o(){

  1106.     eval printf '%s\\n' $HOSTCC_O

  1107. }

  1108. 

  1109. check_host_cc(){

  1110.     log check_host_cc "$@"

  1111.     cat > $TMPC

  1112.     log_file $TMPC

  1113.     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC

  1114. }

  1115. 

  1116. check_host_cppflags(){

  1117.     log check_host_cppflags "$@"

  1118.     check_host_cc "$@" <<EOF && append host_cppflags "$@"

  1119. int x;

  1120. EOF

  1121. }

  1122. 

  1123. check_host_cflags(){

  1124.     log check_host_cflags "$@"

  1125.     set -- $($host_cflags_filter "$@")

  1126.     check_host_cc "$@" <<EOF && append host_cflags "$@"

  1127. int x;

  1128. EOF

  1129. }

  1130. 

  1131. apply(){

  1132.     file=$1

  1133.     shift

  1134.     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"

  1135. }

  1136. 

  1137. cp_if_changed(){

  1138.     cmp -s "$1" "$2" && echo "$2 is unchanged" && return

  1139.     mkdir -p "$(dirname $2)"

  1140.     $cp_f "$1" "$2"

  1141. }

  1142. 

  1143. # CONFIG_LIST contains configurable options, while HAVE_LIST is for

  1144. # system-dependent things.

  1145. 

  1146. COMPONENT_LIST="

  1147.     bsfs

  1148.     decoders

  1149.     demuxers

  1150.     encoders

  1151.     filters

  1152.     hwaccels

  1153.     indevs

  1154.     muxers

  1155.     outdevs

  1156.     parsers

  1157.     protocols

  1158. "

  1159. 

  1160. EXTERNAL_LIBRARY_LIST="

  1161.     avisynth

  1162.     bzlib

  1163.     crystalhd

  1164.     fontconfig

  1165.     frei0r

  1166.     gnutls

  1167.     iconv

  1168.     ladspa

  1169.     libaacplus

  1170.     libass

  1171.     libbluray

  1172.     libcaca

  1173.     libcdio

  1174.     libcelt

  1175.     libdc1394

  1176.     libfaac

  1177.     libfdk_aac

  1178.     libflite

  1179.     libfreetype

  1180.     libgme

  1181.     libgsm

  1182.     libiec61883

  1183.     libilbc

  1184.     libmodplug

  1185.     libmp3lame

  1186.     libnut

  1187.     libopencore_amrnb

  1188.     libopencore_amrwb

  1189.     libopencv

  1190.     libopenjpeg

  1191.     libopus

  1192.     libpulse

  1193.     libquvi

  1194.     librtmp

  1195.     libschroedinger

  1196.     libshine

  1197.     libsoxr

  1198.     libspeex

  1199.     libssh

  1200.     libstagefright_h264

  1201.     libtheora

  1202.     libtwolame

  1203.     libutvideo

  1204.     libv4l2

  1205.     libvidstab

  1206.     libvo_aacenc

  1207.     libvo_amrwbenc

  1208.     libvorbis

  1209.     libvpx

  1210.     libwavpack

  1211.     libx264

  1212.     libxavs

  1213.     libxvid

  1214.     libzmq

  1215.     libzvbi

  1216.     openal

  1217.     opencl

  1218.     openssl

  1219.     x11grab

  1220.     zlib

  1221. "

  1222. 

  1223. DOCUMENT_LIST="

  1224.     doc

  1225.     htmlpages

  1226.     manpages

  1227.     podpages

  1228.     txtpages

  1229. "

  1230. 

  1231. HWACCEL_LIST="

  1232.     dxva2

  1233.     vaapi

  1234.     vda

  1235.     vdpau

  1236. "

  1237. 

  1238. LIBRARY_LIST="

  1239.     avcodec

  1240.     avdevice

  1241.     avfilter

  1242.     avformat

  1243.     avresample

  1244.     avutil

  1245.     postproc

  1246.     swresample

  1247.     swscale

  1248. "

  1249. 

  1250. PROGRAM_LIST="

  1251.     ffplay

  1252.     ffprobe

  1253.     ffserver

  1254.     ffmpeg

  1255. "

  1256. 

  1257. CONFIG_LIST="

  1258.     $COMPONENT_LIST

  1259.     $DOCUMENT_LIST

  1260.     $EXTERNAL_LIBRARY_LIST

  1261.     $HWACCEL_LIST

  1262.     $LIBRARY_LIST

  1263.     $PROGRAM_LIST

  1264.     dct

  1265.     dwt

  1266.     error_resilience

  1267.     fast_unaligned

  1268.     fft

  1269.     ftrapv

  1270.     gpl

  1271.     gray

  1272.     hardcoded_tables

  1273.     incompatible_libav_abi

  1274.     incompatible_fork_abi

  1275.     lsp

  1276.     lzo

  1277.     mdct

  1278.     memalign_hack

  1279.     memory_poisoning

  1280.     network

  1281.     nonfree

  1282.     pic

  1283.     rdft

  1284.     runtime_cpudetect

  1285.     safe_bitstream_reader

  1286.     shared

  1287.     small

  1288.     sram

  1289.     static

  1290.     swscale_alpha

  1291.     thumb

  1292.     version3

  1293.     xmm_clobber_test

  1294. "

  1295. 

  1296. THREADS_LIST='

  1297.     pthreads

  1298.     w32threads

  1299.     os2threads

  1300. '

  1301. 

  1302. ATOMICS_LIST='

  1303.     atomics_gcc

  1304.     atomics_suncc

  1305.     atomics_win32

  1306. '

  1307. 

  1308. ARCH_LIST='

  1309.     aarch64

  1310.     alpha

  1311.     arm

  1312.     avr32

  1313.     avr32_ap

  1314.     avr32_uc

  1315.     bfin

  1316.     ia64

  1317.     m68k

  1318.     mips

  1319.     mips64

  1320.     parisc

  1321.     ppc

  1322.     ppc64

  1323.     s390

  1324.     sh4

  1325.     sparc

  1326.     sparc64

  1327.     tilegx

  1328.     tilepro

  1329.     tomi

  1330.     x86

  1331.     x86_32

  1332.     x86_64

  1333. '

  1334. 

  1335. ARCH_EXT_LIST_ARM='

  1336.     armv5te

  1337.     armv6

  1338.     armv6t2

  1339.     neon

  1340.     vfp

  1341.     vfpv3

  1342. '

  1343. 

  1344. ARCH_EXT_LIST_X86='

  1345.     amd3dnow

  1346.     amd3dnowext

  1347.     avx

  1348.     avx2

  1349.     fma4

  1350.     i686

  1351.     mmx

  1352.     mmxext

  1353.     sse

  1354.     sse2

  1355.     sse3

  1356.     sse4

  1357.     sse42

  1358.     ssse3

  1359. '

  1360. 

  1361. ARCH_EXT_LIST="

  1362.     $ARCH_EXT_LIST_ARM

  1363.     $ARCH_EXT_LIST_X86

  1364.     altivec

  1365.     ppc4xx

  1366.     vis

  1367.     mipsfpu

  1368.     mips32r2

  1369.     mipsdspr1

  1370.     mipsdspr2

  1371. "

  1372. 

  1373. HAVE_LIST_CMDLINE='

  1374.     inline_asm

  1375.     symver

  1376.     yasm

  1377. '

  1378. 

  1379. HAVE_LIST_PUB='

  1380.     bigendian

  1381.     fast_unaligned

  1382.     incompatible_libav_abi

  1383.     incompatible_fork_abi

  1384. '

  1385. 

  1386. MATH_FUNCS="

  1387.     atanf

  1388.     atan2f

  1389.     cbrt

  1390.     cbrtf

  1391.     cosf

  1392.     exp2

  1393.     exp2f

  1394.     expf

  1395.     isinf

  1396.     isnan

  1397.     ldexpf

  1398.     llrint

  1399.     llrintf

  1400.     log2

  1401.     log2f

  1402.     log10f

  1403.     lrint

  1404.     lrintf

  1405.     powf

  1406.     rint

  1407.     round

  1408.     roundf

  1409.     sinf

  1410.     trunc

  1411.     truncf

  1412. "

  1413. 

  1414. HAVE_LIST="

  1415.     $ARCH_EXT_LIST

  1416.     $(add_suffix _external $ARCH_EXT_LIST)

  1417.     $(add_suffix _inline   $ARCH_EXT_LIST)

  1418.     $HAVE_LIST_CMDLINE

  1419.     $HAVE_LIST_PUB

  1420.     $THREADS_LIST

  1421.     $ATOMICS_LIST

  1422.     $MATH_FUNCS

  1423.     access

  1424.     aligned_malloc

  1425.     aligned_stack

  1426.     alsa_asoundlib_h

  1427.     altivec_h

  1428.     arpa_inet_h

  1429.     asm_mod_q

  1430.     asm_mod_y

  1431.     asm_types_h

  1432.     atomic_cas_ptr

  1433.     atomics_native

  1434.     attribute_may_alias

  1435.     attribute_packed

  1436.     cdio_paranoia_h

  1437.     cdio_paranoia_paranoia_h

  1438.     CL_cl_h

  1439.     clock_gettime

  1440.     closesocket

  1441.     CommandLineToArgvW

  1442.     cpunop

  1443.     CryptGenRandom

  1444.     dcbzl

  1445.     dev_bktr_ioctl_bt848_h

  1446.     dev_bktr_ioctl_meteor_h

  1447.     dev_ic_bt8xx_h

  1448.     dev_video_bktr_ioctl_bt848_h

  1449.     dev_video_meteor_ioctl_meteor_h

  1450.     direct_h

  1451.     dlfcn_h

  1452.     dlopen

  1453.     dos_paths

  1454.     dxva_h

  1455.     ebp_available

  1456.     ebx_available

  1457.     fast_64bit

  1458.     fast_clz

  1459.     fast_cmov

  1460.     fcntl

  1461.     fork

  1462.     getaddrinfo

  1463.     gethrtime

  1464.     getopt

  1465.     GetProcessAffinityMask

  1466.     GetProcessMemoryInfo

  1467.     GetProcessTimes

  1468.     GetSystemTimeAsFileTime

  1469.     getrusage

  1470.     getservbyport

  1471.     gettimeofday

  1472.     glob

  1473.     gnu_as

  1474.     gsm_h

  1475.     ibm_asm

  1476.     inet_aton

  1477.     io_h

  1478.     inline_asm_labels

  1479.     isatty

  1480.     jack_port_get_latency_range

  1481.     kbhit

  1482.     ldbrx

  1483.     libdc1394_1

  1484.     libdc1394_2

  1485.     local_aligned_16

  1486.     local_aligned_8

  1487.     localtime_r

  1488.     loongson

  1489.     lzo1x_999_compress

  1490.     machine_ioctl_bt848_h

  1491.     machine_ioctl_meteor_h

  1492.     machine_rw_barrier

  1493.     makeinfo

  1494.     malloc_h

  1495.     MapViewOfFile

  1496.     memalign

  1497.     MemoryBarrier

  1498.     mkstemp

  1499.     mm_empty

  1500.     mmap

  1501.     mprotect

  1502.     msvcrt

  1503.     nanosleep

  1504.     openjpeg_1_5_openjpeg_h

  1505.     PeekNamedPipe

  1506.     perl

  1507.     pod2man

  1508.     poll_h

  1509.     posix_memalign

  1510.     pragma_deprecated

  1511.     pthread_cancel

  1512.     rdtsc

  1513.     rsync_contimeout

  1514.     sarestart

  1515.     sched_getaffinity

  1516.     sdl

  1517.     SetConsoleTextAttribute

  1518.     setmode

  1519.     setrlimit

  1520.     Sleep

  1521.     sndio_h

  1522.     socklen_t

  1523.     soundcard_h

  1524.     strerror_r

  1525.     struct_addrinfo

  1526.     struct_group_source_req

  1527.     struct_ip_mreq_source

  1528.     struct_ipv6_mreq

  1529.     struct_pollfd

  1530.     struct_rusage_ru_maxrss

  1531.     struct_sctp_event_subscribe

  1532.     struct_sockaddr_in6

  1533.     struct_sockaddr_sa_len

  1534.     struct_sockaddr_storage

  1535.     struct_stat_st_mtim_tv_nsec

  1536.     struct_v4l2_frmivalenum_discrete

  1537.     symver_asm_label

  1538.     symver_gnu_asm

  1539.     sync_val_compare_and_swap

  1540.     sysconf

  1541.     sysctl

  1542.     sys_mman_h

  1543.     sys_param_h

  1544.     sys_resource_h

  1545.     sys_select_h

  1546.     sys_soundcard_h

  1547.     sys_time_h

  1548.     sys_un_h

  1549.     sys_videoio_h

  1550.     termios_h

  1551.     texi2html

  1552.     threads

  1553.     unistd_h

  1554.     usleep

  1555.     vfp_args

  1556.     VirtualAlloc

  1557.     windows_h

  1558.     winsock2_h

  1559.     xform_asm

  1560.     xmm_clobbers

  1561. "

  1562. 

  1563. # options emitted with CONFIG_ prefix but not available on the command line

  1564. CONFIG_EXTRA="

  1565.     aandcttables

  1566.     ac3dsp

  1567.     audio_frame_queue

  1568.     dsputil

  1569.     exif

  1570.     frame_thread_encoder

  1571.     gcrypt

  1572.     golomb

  1573.     gplv3

  1574.     h264chroma

  1575.     h264dsp

  1576.     h264pred

  1577.     h264qpel

  1578.     hpeldsp

  1579.     huffman

  1580.     lgplv3

  1581.     lpc

  1582.     mpegaudio

  1583.     mpegaudiodsp

  1584.     mpegvideo

  1585.     mpegvideoenc

  1586.     nettle

  1587.     rangecoder

  1588.     riffdec

  1589.     riffenc

  1590.     rtpdec

  1591.     rtpenc_chain

  1592.     sinewin

  1593.     videodsp

  1594.     vp3dsp

  1595. "

  1596. 

  1597. CMDLINE_SELECT="

  1598.     $ARCH_EXT_LIST

  1599.     $CONFIG_LIST

  1600.     $HAVE_LIST_CMDLINE

  1601.     $THREADS_LIST

  1602.     asm

  1603.     cross_compile

  1604.     debug

  1605.     extra_warnings

  1606.     logging

  1607.     lto

  1608.     optimizations

  1609.     stripping

  1610. "

  1611. 

  1612. PATHS_LIST='

  1613.     bindir

  1614.     datadir

  1615.     docdir

  1616.     incdir

  1617.     libdir

  1618.     mandir

  1619.     prefix

  1620.     shlibdir

  1621. '

  1622. 

  1623. CMDLINE_SET="

  1624.     $PATHS_LIST

  1625.     ar

  1626.     arch

  1627.     as

  1628.     assert_level

  1629.     build_suffix

  1630.     cc

  1631.     cpu

  1632.     cross_prefix

  1633.     cxx

  1634.     dep_cc

  1635.     extra_version

  1636.     host_cc

  1637.     host_cflags

  1638.     host_ld

  1639.     host_ldflags

  1640.     host_libs

  1641.     host_os

  1642.     install

  1643.     ld

  1644.     logfile

  1645.     malloc_prefix

  1646.     nm

  1647.     optflags

  1648.     pkg_config

  1649.     progs_suffix

  1650.     random_seed

  1651.     samples

  1652.     strip

  1653.     sysinclude

  1654.     sysroot

  1655.     target_exec

  1656.     target_os

  1657.     target_path

  1658.     target_samples

  1659.     tempprefix

  1660.     toolchain

  1661.     valgrind

  1662.     yasmexe

  1663. "

  1664. 

  1665. CMDLINE_APPEND="

  1666.     extra_cflags

  1667.     extra_cxxflags

  1668.     host_cppflags

  1669. "

  1670. 

  1671. # code dependency declarations

  1672. 

  1673. # architecture extensions

  1674. 

  1675. armv5te_deps="arm"

  1676. armv6_deps="arm"

  1677. armv6t2_deps="arm"

  1678. neon_deps="arm"

  1679. vfp_deps="arm"

  1680. vfpv3_deps="vfp"

  1681. 

  1682. map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM

  1683. 

  1684. mipsfpu_deps="mips"

  1685. mips32r2_deps="mips"

  1686. mipsdspr1_deps="mips"

  1687. mipsdspr2_deps="mips"

  1688. 

  1689. altivec_deps="ppc"

  1690. ppc4xx_deps="ppc"

  1691. 

  1692. vis_deps="sparc"

  1693. 

  1694. cpunop_deps="i686"

  1695. x86_64_select="i686"

  1696. x86_64_suggest="fast_cmov"

  1697. 

  1698. amd3dnow_deps="mmx"

  1699. amd3dnowext_deps="amd3dnow"

  1700. mmx_deps="x86"

  1701. mmxext_deps="mmx"

  1702. sse_deps="mmxext"

  1703. sse2_deps="sse"

  1704. sse3_deps="sse2"

  1705. ssse3_deps="sse3"

  1706. sse4_deps="ssse3"

  1707. sse42_deps="sse4"

  1708. avx_deps="sse42"

  1709. fma4_deps="avx"

  1710. avx2_deps="avx"

  1711. 

  1712. mmx_external_deps="yasm"

  1713. mmx_inline_deps="inline_asm"

  1714. mmx_suggest="mmx_external mmx_inline"

  1715. 

  1716. for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do

  1717.     eval dep=\$${ext}_deps

  1718.     eval ${ext}_external_deps='"${dep}_external"'

  1719.     eval ${ext}_inline_deps='"${dep}_inline"'

  1720.     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'

  1721. done

  1722. 

  1723. aligned_stack_if_any="ppc x86"

  1724. fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"

  1725. fast_clz_if_any="alpha avr32 mips ppc x86"

  1726. fast_unaligned_if_any="ppc x86"

  1727. 

  1728. inline_asm_deps="!tms470"

  1729. need_memalign="altivec neon sse"

  1730. 

  1731. symver_if_any="symver_asm_label symver_gnu_asm"

  1732. 

  1733. log2_deps="!msvcrt"

  1734. 

  1735. # subsystems

  1736. dct_select="rdft"

  1737. error_resilience_select="dsputil"

  1738. frame_thread_encoder_deps="encoders threads"

  1739. lpc_select="dsputil"

  1740. mdct_select="fft"

  1741. rdft_select="fft"

  1742. mpegaudio_select="mpegaudiodsp"

  1743. mpegaudiodsp_select="dct"

  1744. mpegvideo_select="dsputil h264chroma hpeldsp videodsp"

  1745. mpegvideoenc_select="mpegvideo"

  1746. 

  1747. # decoders / encoders

  1748. aac_decoder_select="mdct sinewin"

  1749. aac_encoder_select="audio_frame_queue mdct sinewin"

  1750. aac_latm_decoder_select="aac_decoder aac_latm_parser"

  1751. ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"

  1752. ac3_encoder_select="mdct ac3dsp dsputil"

  1753. ac3_fixed_encoder_select="mdct ac3dsp dsputil"

  1754. aic_decoder_select="dsputil golomb"

  1755. alac_encoder_select="lpc"

  1756. als_decoder_select="dsputil"

  1757. amrnb_decoder_select="lsp"

  1758. amrwb_decoder_select="lsp"

  1759. amv_decoder_select="dsputil hpeldsp exif"

  1760. amv_encoder_select="aandcttables"

  1761. ape_decoder_select="dsputil"

  1762. asv1_decoder_select="dsputil"

  1763. asv1_encoder_select="dsputil"

  1764. asv2_decoder_select="dsputil"

  1765. asv2_encoder_select="dsputil"

  1766. atrac1_decoder_select="mdct sinewin"

  1767. atrac3_decoder_select="mdct"

  1768. avrn_decoder_select="exif"

  1769. bink_decoder_select="dsputil hpeldsp"

  1770. binkaudio_dct_decoder_select="mdct rdft dct sinewin"

  1771. binkaudio_rdft_decoder_select="mdct rdft sinewin"

  1772. cavs_decoder_select="dsputil golomb h264chroma videodsp"

  1773. cllc_decoder_select="dsputil"

  1774. comfortnoise_encoder_select="lpc"

  1775. cook_decoder_select="dsputil mdct sinewin"

  1776. cscd_decoder_select="lzo"

  1777. cscd_decoder_suggest="zlib"

  1778. dca_decoder_select="mdct"

  1779. dirac_decoder_select="dsputil dwt golomb videodsp"

  1780. dnxhd_decoder_select="dsputil"

  1781. dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"

  1782. dvvideo_decoder_select="dsputil"

  1783. dvvideo_encoder_select="dsputil"

  1784. dxa_decoder_select="zlib"

  1785. eac3_decoder_select="ac3_decoder"

  1786. eac3_encoder_select="ac3_encoder"

  1787. eamad_decoder_select="aandcttables dsputil mpegvideo"

  1788. eatgq_decoder_select="aandcttables"

  1789. eatqi_decoder_select="aandcttables error_resilience mpegvideo"

  1790. exr_decoder_select="zlib"

  1791. ffv1_decoder_select="dsputil golomb rangecoder"

  1792. ffv1_encoder_select="dsputil rangecoder"

  1793. ffvhuff_decoder_select="dsputil"

  1794. ffvhuff_encoder_select="dsputil huffman"

  1795. flac_decoder_select="golomb"

  1796. flac_encoder_select="dsputil golomb lpc"

  1797. flashsv_decoder_select="zlib"

  1798. flashsv_encoder_select="zlib"

  1799. flashsv2_encoder_select="zlib"

  1800. flashsv2_decoder_select="zlib"

  1801. flv_decoder_select="h263_decoder"

  1802. flv_encoder_select="h263_encoder"

  1803. fourxm_decoder_select="dsputil"

  1804. fraps_decoder_select="dsputil huffman"

  1805. g2m_decoder_select="dsputil zlib"

  1806. g729_decoder_select="dsputil"

  1807. h261_decoder_select="error_resilience mpegvideo"

  1808. h261_encoder_select="aandcttables mpegvideoenc"

  1809. h263_decoder_select="error_resilience h263_parser mpegvideo"

  1810. h263_encoder_select="aandcttables mpegvideoenc"

  1811. h263i_decoder_select="h263_decoder"

  1812. h263p_encoder_select="h263_encoder"

  1813. h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"

  1814. h264_decoder_suggest="error_resilience"

  1815. hevc_decoder_select="dsputil golomb videodsp"

  1816. huffyuv_decoder_select="dsputil"

  1817. huffyuv_encoder_select="dsputil huffman"

  1818. iac_decoder_select="dsputil fft mdct sinewin"

  1819. imc_decoder_select="dsputil fft mdct sinewin"

  1820. indeo3_decoder_select="hpeldsp"

  1821. interplay_video_decoder_select="hpeldsp"

  1822. jpegls_decoder_select="dsputil golomb hpeldsp exif"

  1823. jpegls_encoder_select="golomb"

  1824. jv_decoder_select="dsputil"

  1825. lagarith_decoder_select="dsputil"

  1826. ljpeg_encoder_select="aandcttables mpegvideoenc"

  1827. loco_decoder_select="golomb"

  1828. mdec_decoder_select="dsputil error_resilience mpegvideo"

  1829. metasound_decoder_select="lsp mdct sinewin"

  1830. mimic_decoder_select="dsputil hpeldsp"

  1831. mjpeg_decoder_select="dsputil hpeldsp exif"

  1832. mjpegb_decoder_select="dsputil hpeldsp exif"

  1833. mjpeg_encoder_select="aandcttables dsputil mpegvideoenc"

  1834. mlp_decoder_select="dsputil mlp_parser"

  1835. motionpixels_decoder_select="dsputil"

  1836. mp1_decoder_select="mpegaudio"

  1837. mp1float_decoder_select="mpegaudio"

  1838. mp2_decoder_select="mpegaudio"

  1839. mp2float_decoder_select="mpegaudio"

  1840. mp3_decoder_select="mpegaudio"

  1841. mp3adu_decoder_select="mpegaudio"

  1842. mp3adufloat_decoder_select="mpegaudio"

  1843. mp3float_decoder_select="mpegaudio"

  1844. mp3on4_decoder_select="mpegaudio"

  1845. mp3on4float_decoder_select="mpegaudio"

  1846. mpc7_decoder_select="dsputil mpegaudiodsp"

  1847. mpc8_decoder_select="dsputil mpegaudiodsp"

  1848. mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"

  1849. mpeg_xvmc_decoder_select="mpeg2video_decoder"

  1850. mpeg1video_decoder_select="error_resilience mpegvideo"

  1851. mpeg1video_encoder_select="aandcttables mpegvideoenc"

  1852. mpeg2video_decoder_select="error_resilience mpegvideo"

  1853. mpeg2video_encoder_select="aandcttables mpegvideoenc"

  1854. mpeg4_decoder_select="h263_decoder mpeg4video_parser"

  1855. mpeg4_encoder_select="h263_encoder"

  1856. msmpeg4v1_decoder_select="h263_decoder"

  1857. msmpeg4v2_decoder_select="h263_decoder"

  1858. msmpeg4v2_encoder_select="h263_encoder"

  1859. msmpeg4v3_decoder_select="h263_decoder"

  1860. msmpeg4v3_encoder_select="h263_encoder"

  1861. mss2_decoder_select="error_resilience vc1_decoder"

  1862. mxpeg_decoder_select="dsputil hpeldsp exif"

  1863. nellymoser_decoder_select="mdct sinewin"

  1864. nellymoser_encoder_select="audio_frame_queue mdct sinewin"

  1865. nuv_decoder_select="dsputil lzo"

  1866. png_decoder_select="zlib"

  1867. png_encoder_select="dsputil zlib"

  1868. prores_decoder_select="dsputil"

  1869. prores_encoder_select="dsputil"

  1870. qcelp_decoder_select="lsp"

  1871. qdm2_decoder_select="mdct rdft mpegaudiodsp"

  1872. ra_144_encoder_select="audio_frame_queue lpc"

  1873. ralf_decoder_select="golomb"

  1874. rtjpeg_decoder_select="dsputil"

  1875. rv10_decoder_select="error_resilience h263_decoder"

  1876. rv10_encoder_select="h263_encoder"

  1877. rv20_decoder_select="error_resilience h263_decoder"

  1878. rv20_encoder_select="h263_encoder"

  1879. rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"

  1880. rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"

  1881. shorten_decoder_select="golomb"

  1882. sipr_decoder_select="lsp"

  1883. snow_decoder_select="dsputil dwt h264qpel hpeldsp rangecoder"

  1884. snow_encoder_select="aandcttables dsputil dwt h264qpel hpeldsp mpegvideoenc rangecoder"

  1885. sonic_decoder_select="golomb"

  1886. sonic_encoder_select="golomb"

  1887. sonic_ls_encoder_select="golomb"

  1888. sp5x_decoder_select="dsputil hpeldsp exif"

  1889. svq1_decoder_select="hpeldsp"

  1890. svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"

  1891. svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel hpeldsp mpegvideo videodsp"

  1892. svq3_decoder_suggest="error_resilience zlib"

  1893. tak_decoder_select="dsputil"

  1894. theora_decoder_select="vp3_decoder"

  1895. tiff_decoder_suggest="zlib"

  1896. tiff_encoder_suggest="zlib"

  1897. thp_decoder_select="dsputil hpeldsp exif"

  1898. truehd_decoder_select="mlp_parser"

  1899. truemotion2_decoder_select="dsputil"

  1900. truespeech_decoder_select="dsputil"

  1901. tscc_decoder_select="zlib"

  1902. twinvq_decoder_select="mdct lsp sinewin"

  1903. utvideo_decoder_select="dsputil"

  1904. utvideo_encoder_select="dsputil huffman"

  1905. vble_decoder_select="dsputil"

  1906. vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel"

  1907. vc1image_decoder_select="vc1_decoder"

  1908. vorbis_decoder_select="mdct"

  1909. vorbis_encoder_select="mdct"

  1910. vp3_decoder_select="hpeldsp vp3dsp videodsp"

  1911. vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"

  1912. vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"

  1913. vp6a_decoder_select="vp6_decoder"

  1914. vp6f_decoder_select="vp6_decoder"

  1915. vp8_decoder_select="h264pred videodsp"

  1916. vp9_decoder_select="videodsp"

  1917. webp_decoder_select="vp8_decoder"

  1918. wmapro_decoder_select="mdct sinewin"

  1919. wmav1_decoder_select="mdct sinewin"

  1920. wmav1_encoder_select="mdct sinewin"

  1921. wmav2_decoder_select="mdct sinewin"

  1922. wmav2_encoder_select="mdct sinewin"

  1923. wmavoice_decoder_select="lsp rdft dct mdct sinewin"

  1924. wmv1_decoder_select="h263_decoder"

  1925. wmv1_encoder_select="h263_encoder"

  1926. wmv2_decoder_select="h263_decoder videodsp"

  1927. wmv2_encoder_select="h263_encoder"

  1928. wmv3_decoder_select="vc1_decoder"

  1929. wmv3image_decoder_select="wmv3_decoder"

  1930. zerocodec_decoder_select="zlib"

  1931. zlib_decoder_select="zlib"

  1932. zlib_encoder_select="zlib"

  1933. zmbv_decoder_select="zlib"

  1934. zmbv_encoder_select="zlib"

  1935. 

  1936. # hardware accelerators

  1937. crystalhd_deps="libcrystalhd_libcrystalhd_if_h"

  1938. dxva2_deps="dxva2api_h"

  1939. vaapi_deps="va_va_h"

  1940. vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"

  1941. vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"

  1942. vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"

  1943. 

  1944. h263_vaapi_hwaccel_deps="vaapi"

  1945. h263_vaapi_hwaccel_select="h263_decoder"

  1946. h263_vdpau_hwaccel_deps="vdpau"

  1947. h263_vdpau_hwaccel_select="h263_decoder"

  1948. h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"

  1949. h264_dxva2_hwaccel_deps="dxva2"

  1950. h264_dxva2_hwaccel_select="h264_decoder"

  1951. h264_vaapi_hwaccel_deps="vaapi"

  1952. h264_vaapi_hwaccel_select="h264_decoder"

  1953. h264_vda_decoder_deps="vda"

  1954. h264_vda_decoder_select="h264_decoder"

  1955. h264_vda_hwaccel_deps="vda"

  1956. h264_vda_hwaccel_select="h264_decoder"

  1957. h264_vdpau_decoder_deps="vdpau"

  1958. h264_vdpau_decoder_select="h264_decoder"

  1959. h264_vdpau_hwaccel_deps="vdpau"

  1960. h264_vdpau_hwaccel_select="h264_decoder"

  1961. mpeg_vdpau_decoder_deps="vdpau"

  1962. mpeg_vdpau_decoder_select="mpeg2video_decoder"

  1963. mpeg1_vdpau_decoder_deps="vdpau"

  1964. mpeg1_vdpau_decoder_select="mpeg1video_decoder"

  1965. mpeg1_vdpau_hwaccel_deps="vdpau"

  1966. mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"

  1967. mpeg2_crystalhd_decoder_select="crystalhd"

  1968. mpeg2_dxva2_hwaccel_deps="dxva2"

  1969. mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"

  1970. mpeg2_vaapi_hwaccel_deps="vaapi"

  1971. mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"

  1972. mpeg2_vdpau_hwaccel_deps="vdpau"

  1973. mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"

  1974. mpeg4_crystalhd_decoder_select="crystalhd"

  1975. mpeg4_vaapi_hwaccel_deps="vaapi"

  1976. mpeg4_vaapi_hwaccel_select="mpeg4_decoder"

  1977. mpeg4_vdpau_decoder_deps="vdpau"

  1978. mpeg4_vdpau_decoder_select="mpeg4_decoder"

  1979. mpeg4_vdpau_hwaccel_deps="vdpau"

  1980. mpeg4_vdpau_hwaccel_select="mpeg4_decoder"

  1981. msmpeg4_crystalhd_decoder_select="crystalhd"

  1982. vc1_crystalhd_decoder_select="crystalhd"

  1983. vc1_dxva2_hwaccel_deps="dxva2"

  1984. vc1_dxva2_hwaccel_select="vc1_decoder"

  1985. vc1_vaapi_hwaccel_deps="vaapi"

  1986. vc1_vaapi_hwaccel_select="vc1_decoder"

  1987. vc1_vdpau_decoder_deps="vdpau"

  1988. vc1_vdpau_decoder_select="vc1_decoder"

  1989. vc1_vdpau_hwaccel_deps="vdpau"

  1990. vc1_vdpau_hwaccel_select="vc1_decoder"

  1991. wmv3_crystalhd_decoder_select="crystalhd"

  1992. wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"

  1993. wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"

  1994. wmv3_vdpau_decoder_select="vc1_vdpau_decoder"

  1995. wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"

  1996. 

  1997. # parsers

  1998. h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"

  1999. mpeg4video_parser_select="error_resilience mpegvideo"

  2000. mpegvideo_parser_select="error_resilience mpegvideo"

  2001. vc1_parser_select="mpegvideo"

  2002. 

  2003. # external libraries

  2004. libaacplus_encoder_deps="libaacplus"

  2005. libcelt_decoder_deps="libcelt"

  2006. libfaac_encoder_deps="libfaac"

  2007. libfaac_encoder_select="audio_frame_queue"

  2008. libfdk_aac_decoder_deps="libfdk_aac"

  2009. libfdk_aac_encoder_deps="libfdk_aac"

  2010. libfdk_aac_encoder_select="audio_frame_queue"

  2011. libgme_demuxer_deps="libgme"

  2012. libgsm_decoder_deps="libgsm"

  2013. libgsm_encoder_deps="libgsm"

  2014. libgsm_ms_decoder_deps="libgsm"

  2015. libgsm_ms_encoder_deps="libgsm"

  2016. libilbc_decoder_deps="libilbc"

  2017. libilbc_encoder_deps="libilbc"

  2018. libmodplug_demuxer_deps="libmodplug"

  2019. libmp3lame_encoder_deps="libmp3lame"

  2020. libmp3lame_encoder_select="audio_frame_queue"

  2021. libopencore_amrnb_decoder_deps="libopencore_amrnb"

  2022. libopencore_amrnb_encoder_deps="libopencore_amrnb"

  2023. libopencore_amrnb_encoder_select="audio_frame_queue"

  2024. libopencore_amrwb_decoder_deps="libopencore_amrwb"

  2025. libopenjpeg_decoder_deps="libopenjpeg"

  2026. libopenjpeg_encoder_deps="libopenjpeg"

  2027. libopus_decoder_deps="libopus"

  2028. libopus_encoder_deps="libopus"

  2029. libopus_encoder_select="audio_frame_queue"

  2030. libquvi_demuxer_deps="libquvi"

  2031. libschroedinger_decoder_deps="libschroedinger"

  2032. libschroedinger_encoder_deps="libschroedinger"

  2033. libshine_encoder_deps="libshine"

  2034. libshine_encoder_select="audio_frame_queue"

  2035. libspeex_decoder_deps="libspeex"

  2036. libspeex_encoder_deps="libspeex"

  2037. libspeex_encoder_select="audio_frame_queue"

  2038. libstagefright_h264_decoder_deps="libstagefright_h264"

  2039. libtheora_encoder_deps="libtheora"

  2040. libtwolame_encoder_deps="libtwolame"

  2041. libvo_aacenc_encoder_deps="libvo_aacenc"

  2042. libvo_aacenc_encoder_select="audio_frame_queue"

  2043. libvo_amrwbenc_encoder_deps="libvo_amrwbenc"

  2044. libvorbis_decoder_deps="libvorbis"

  2045. libvorbis_encoder_deps="libvorbis"

  2046. libvorbis_encoder_select="audio_frame_queue"

  2047. libvpx_vp8_decoder_deps="libvpx"

  2048. libvpx_vp8_encoder_deps="libvpx"

  2049. libvpx_vp9_decoder_deps="libvpx"

  2050. libvpx_vp9_encoder_deps="libvpx"

  2051. libwavpack_encoder_deps="libwavpack"

  2052. libx264_encoder_deps="libx264"

  2053. libx264rgb_encoder_deps="libx264"

  2054. libxavs_encoder_deps="libxavs"

  2055. libxvid_encoder_deps="libxvid"

  2056. libutvideo_decoder_deps="libutvideo"

  2057. libutvideo_encoder_deps="libutvideo"

  2058. libzvbi_teletext_decoder_deps="libzvbi"

  2059. 

  2060. # demuxers / muxers

  2061. ac3_demuxer_select="ac3_parser"

  2062. asf_demuxer_select="riffdec"

  2063. asf_muxer_select="riffenc"

  2064. asf_stream_muxer_select="asf_muxer"

  2065. avi_demuxer_select="riffdec"

  2066. avi_muxer_select="riffenc"

  2067. avisynth_demuxer_deps="avisynth"

  2068. avisynth_demuxer_select="riffdec"

  2069. caf_demuxer_select="riffdec"

  2070. dirac_demuxer_select="dirac_parser"

  2071. dts_demuxer_select="dca_parser"

  2072. dtshd_demuxer_select="dca_parser"

  2073. dxa_demuxer_select="riffdec"

  2074. eac3_demuxer_select="ac3_parser"

  2075. f4v_muxer_select="mov_muxer"

  2076. flac_demuxer_select="flac_parser"

  2077. hls_muxer_select="mpegts_muxer"

  2078. ipod_muxer_select="mov_muxer"

  2079. ismv_muxer_select="mov_muxer"

  2080. libnut_demuxer_deps="libnut"

  2081. libnut_muxer_deps="libnut"

  2082. matroska_audio_muxer_select="matroska_muxer"

  2083. matroska_demuxer_select="riffdec"

  2084. matroska_demuxer_suggest="bzlib lzo zlib"

  2085. matroska_muxer_select="riffenc"

  2086. mmf_muxer_select="riffenc"

  2087. mov_demuxer_select="riffdec"

  2088. mov_demuxer_suggest="zlib"

  2089. mov_muxer_select="riffenc rtpenc_chain"

  2090. mp3_demuxer_select="mpegaudio_parser"

  2091. mp4_muxer_select="mov_muxer"

  2092. mpegts_muxer_select="adts_muxer latm_muxer"

  2093. mpegtsraw_demuxer_select="mpegts_demuxer"

  2094. mxf_d10_muxer_select="mxf_muxer"

  2095. nut_muxer_select="riffenc"

  2096. nuv_demuxer_select="riffdec"

  2097. ogg_demuxer_select="golomb"

  2098. psp_muxer_select="mov_muxer"

  2099. rtp_demuxer_select="sdp_demuxer"

  2100. rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"

  2101. rtsp_demuxer_select="http_protocol rtpdec"

  2102. rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"

  2103. sap_demuxer_select="sdp_demuxer"

  2104. sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"

  2105. sdp_demuxer_select="rtpdec"

  2106. smoothstreaming_muxer_select="ismv_muxer"

  2107. spdif_muxer_select="aac_parser"

  2108. tak_demuxer_select="tak_parser"

  2109. tg2_muxer_select="mov_muxer"

  2110. tgp_muxer_select="mov_muxer"

  2111. vobsub_demuxer_select="mpegps_demuxer"

  2112. w64_demuxer_select="wav_demuxer"

  2113. w64_muxer_select="wav_muxer"

  2114. wav_demuxer_select="riffdec"

  2115. wav_muxer_select="riffenc"

  2116. webm_muxer_select="riffenc"

  2117. wtv_demuxer_select="riffdec"

  2118. xmv_demuxer_select="riffdec"

  2119. xwma_demuxer_select="riffdec"

  2120. 

  2121. # indevs / outdevs

  2122. alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"

  2123. alsa_outdev_deps="alsa_asoundlib_h"

  2124. bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"

  2125. caca_outdev_deps="libcaca"

  2126. dshow_indev_deps="IBaseFilter"

  2127. dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"

  2128. dv1394_indev_deps="dv1394"

  2129. dv1394_indev_select="dv_demuxer"

  2130. fbdev_indev_deps="linux_fb_h"

  2131. fbdev_outdev_deps="linux_fb_h"

  2132. iec61883_indev_deps="libiec61883"

  2133. jack_indev_deps="jack_jack_h sem_timedwait"

  2134. lavfi_indev_deps="avfilter"

  2135. libcdio_indev_deps="libcdio"

  2136. libdc1394_indev_deps="libdc1394"

  2137. libv4l2_indev_deps="libv4l2"

  2138. openal_indev_deps="openal"

  2139. oss_indev_deps_any="soundcard_h sys_soundcard_h"

  2140. oss_outdev_deps_any="soundcard_h sys_soundcard_h"

  2141. pulse_indev_deps="libpulse"

  2142. pulse_outdev_deps="libpulse"

  2143. sdl_outdev_deps="sdl"

  2144. sndio_indev_deps="sndio_h"

  2145. sndio_outdev_deps="sndio_h"

  2146. v4l_indev_deps="linux_videodev_h"

  2147. v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"

  2148. v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"

  2149. vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"

  2150. vfwcap_indev_extralibs="-lavicap32"

  2151. xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"

  2152. xv_outdev_extralibs="-lXv -lX11 -lXext"

  2153. x11grab_indev_deps="x11grab"

  2154. 

  2155. # protocols

  2156. bluray_protocol_deps="libbluray"

  2157. ffrtmpcrypt_protocol_deps="!librtmp_protocol"

  2158. ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"

  2159. ffrtmpcrypt_protocol_select="tcp_protocol"

  2160. ffrtmphttp_protocol_deps="!librtmp_protocol"

  2161. ffrtmphttp_protocol_select="http_protocol"

  2162. ftp_protocol_select="tcp_protocol"

  2163. gopher_protocol_select="network"

  2164. httpproxy_protocol_select="tcp_protocol"

  2165. http_protocol_select="tcp_protocol"

  2166. https_protocol_select="tls_protocol"

  2167. librtmp_protocol_deps="librtmp"

  2168. librtmpe_protocol_deps="librtmp"

  2169. librtmps_protocol_deps="librtmp"

  2170. librtmpt_protocol_deps="librtmp"

  2171. librtmpte_protocol_deps="librtmp"

  2172. libssh_protocol_deps="libssh"

  2173. mmsh_protocol_select="http_protocol"

  2174. mmst_protocol_select="network"

  2175. rtmp_protocol_deps="!librtmp_protocol"

  2176. rtmp_protocol_select="tcp_protocol"

  2177. rtmpe_protocol_select="ffrtmpcrypt_protocol"

  2178. rtmps_protocol_deps="!librtmp_protocol"

  2179. rtmps_protocol_select="tls_protocol"

  2180. rtmpt_protocol_select="ffrtmphttp_protocol"

  2181. rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"

  2182. rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"

  2183. rtp_protocol_select="udp_protocol"

  2184. sctp_protocol_deps="struct_sctp_event_subscribe"

  2185. sctp_protocol_select="network"

  2186. srtp_protocol_select="rtp_protocol"

  2187. tcp_protocol_select="network"

  2188. tls_protocol_deps_any="openssl gnutls"

  2189. tls_protocol_select="tcp_protocol"

  2190. udp_protocol_select="network"

  2191. unix_protocol_deps="sys_un_h"

  2192. unix_protocol_select="network"

  2193. 

  2194. # filters

  2195. aconvert_filter_deps="swresample"

  2196. amovie_filter_deps="avcodec avformat"

  2197. aresample_filter_deps="swresample"

  2198. ass_filter_deps="libass"

  2199. asyncts_filter_deps="avresample"

  2200. atempo_filter_deps="avcodec"

  2201. atempo_filter_select="rdft"

  2202. azmq_filter_deps="libzmq"

  2203. blackframe_filter_deps="gpl"

  2204. boxblur_filter_deps="gpl"

  2205. colormatrix_filter_deps="gpl"

  2206. cropdetect_filter_deps="gpl"

  2207. dctdnoiz_filter_deps="avcodec"

  2208. dctdnoiz_filter_select="fft"

  2209. delogo_filter_deps="gpl"

  2210. deshake_filter_deps="avcodec"

  2211. deshake_filter_select="dsputil"

  2212. drawtext_filter_deps="libfreetype"

  2213. ebur128_filter_deps="gpl"

  2214. flite_filter_deps="libflite"

  2215. frei0r_filter_deps="frei0r dlopen"

  2216. frei0r_filter_extralibs='$ldl'

  2217. frei0r_src_filter_deps="frei0r dlopen"

  2218. frei0r_src_filter_extralibs='$ldl'

  2219. geq_filter_deps="gpl"

  2220. histeq_filter_deps="gpl"

  2221. hqdn3d_filter_deps="gpl"

  2222. interlace_filter_deps="gpl"

  2223. kerndeint_filter_deps="gpl"

  2224. ladspa_filter_deps="ladspa dlopen"

  2225. mcdeint_filter_deps="avcodec gpl"

  2226. movie_filter_deps="avcodec avformat"

  2227. mp_filter_deps="gpl avcodec swscale inline_asm"

  2228. mpdecimate_filter_deps="gpl avcodec"

  2229. mptestsrc_filter_deps="gpl"

  2230. negate_filter_deps="lut_filter"

  2231. perspective_filter_deps="gpl"

  2232. resample_filter_deps="avresample"

  2233. ocv_filter_deps="libopencv"

  2234. owdenoise_filter_deps="gpl"

  2235. pan_filter_deps="swresample"

  2236. phase_filter_deps="gpl"

  2237. pp_filter_deps="gpl postproc"

  2238. pullup_filter_deps="gpl"

  2239. removelogo_filter_deps="avcodec avformat swscale"

  2240. sab_filter_deps="gpl swscale"

  2241. scale_filter_deps="swscale"

  2242. smartblur_filter_deps="gpl swscale"

  2243. showspectrum_filter_deps="avcodec"

  2244. showspectrum_filter_select="rdft"

  2245. spp_filter_deps="gpl avcodec"

  2246. spp_filter_select="fft"

  2247. stereo3d_filter_deps="gpl"

  2248. subtitles_filter_deps="avformat avcodec libass"

  2249. super2xsai_filter_deps="gpl"

  2250. tinterlace_filter_deps="gpl"

  2251. vidstabdetect_filter_deps="libvidstab"

  2252. vidstabtransform_filter_deps="libvidstab"

  2253. yadif_filter_deps="gpl"

  2254. pixfmts_super2xsai_test_deps="super2xsai_filter"

  2255. tinterlace_merge_test_deps="tinterlace_filter"

  2256. tinterlace_pad_test_deps="tinterlace_filter"

  2257. zmq_filter_deps="libzmq"

  2258. 

  2259. # libraries

  2260. avcodec_deps="avutil"

  2261. avdevice_deps="avutil avcodec avformat"

  2262. avfilter_deps="avutil"

  2263. avformat_deps="avutil avcodec"

  2264. avresample_deps="avutil"

  2265. postproc_deps="avutil gpl"

  2266. swscale_deps="avutil"

  2267. 

  2268. # programs

  2269. ffmpeg_deps="avcodec avfilter avformat swresample"

  2270. ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter

  2271.                null_filter

  2272.                setpts_filter trim_filter"

  2273. ffplay_deps="avcodec avformat swscale swresample sdl"

  2274. ffplay_select="rdft crop_filter"

  2275. ffprobe_deps="avcodec avformat"

  2276. ffserver_deps="avformat fork sarestart"

  2277. ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"

  2278. ffserver_extralibs='$ldl'

  2279. 

  2280. # documentation

  2281. podpages_deps="perl"

  2282. manpages_deps="perl pod2man"

  2283. htmlpages_deps="texi2html"

  2284. txtpages_deps="makeinfo"

  2285. doc_deps_any="manpages htmlpages podpages txtpages"

  2286. 

  2287. # default parameters

  2288. 

  2289. logfile="config.log"

  2290. 

  2291. # installation paths

  2292. prefix_default="/usr/local"

  2293. bindir_default='${prefix}/bin'

  2294. datadir_default='${prefix}/share/ffmpeg'

  2295. docdir_default='${prefix}/share/doc/ffmpeg'

  2296. incdir_default='${prefix}/include'

  2297. libdir_default='${prefix}/lib'

  2298. mandir_default='${prefix}/share/man'

  2299. shlibdir_default="$libdir_default"

  2300. 

  2301. # toolchain

  2302. ar_default="ar"

  2303. cc_default="gcc"

  2304. cxx_default="g++"

  2305. host_cc_default="gcc"

  2306. cp_f="cp -f"

  2307. install="install"

  2308. ln_s="ln -s -f"

  2309. nm_default="nm -g"

  2310. objformat="elf"

  2311. pkg_config_default=pkg-config

  2312. ranlib="ranlib"

  2313. strip_default="strip"

  2314. yasmexe_default="yasm"

  2315. 

  2316. nogas=":"

  2317. 

  2318. # machine

  2319. arch_default=$(uname -m)

  2320. cpu="generic"

  2321. 

  2322. # OS

  2323. target_os_default=$(tolower $(uname -s))

  2324. host_os=$target_os_default

  2325. 

  2326. # configurable options

  2327. enable $PROGRAM_LIST

  2328. enable $DOCUMENT_LIST

  2329. enable $(filter_out avresample $LIBRARY_LIST)

  2330. enable stripping

  2331. 

  2332. enable asm

  2333. enable debug

  2334. enable doc

  2335. enable optimizations

  2336. enable runtime_cpudetect

  2337. enable safe_bitstream_reader

  2338. enable static

  2339. enable swscale_alpha

  2340. 

  2341. # Enable hwaccels by default.

  2342. enable dxva2 vaapi vdpau

  2343. 

  2344. # build settings

  2345. SHFLAGS='-shared -Wl,-soname,$$(@F)'

  2346. LIBPREF="lib"

  2347. LIBSUF=".a"

  2348. FULLNAME='$(NAME)$(BUILDSUF)'

  2349. LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'

  2350. SLIBPREF="lib"

  2351. SLIBSUF=".so"

  2352. SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'

  2353. SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'

  2354. SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'

  2355. LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'

  2356. SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'

  2357. SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'

  2358. 

  2359. asflags_filter=echo

  2360. cflags_filter=echo

  2361. ldflags_filter=echo

  2362. 

  2363. AS_C='-c'

  2364. AS_O='-o $@'

  2365. CC_C='-c'

  2366. CC_E='-E -o $@'

  2367. CC_O='-o $@'

  2368. CXX_C='-c'

  2369. CXX_O='-o $@'

  2370. LD_O='-o $@'

  2371. LD_LIB='-l%'

  2372. LD_PATH='-L'

  2373. HOSTCC_C='-c'

  2374. HOSTCC_O='-o $@'

  2375. HOSTLD_O='-o $@'

  2376. 

  2377. host_cflags='-O3 -g'

  2378. host_cppflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600'

  2379. host_libs='-lm'

  2380. host_cflags_filter=echo

  2381. host_ldflags_filter=echo

  2382. 

  2383. target_path='$(CURDIR)'

  2384. 

  2385. # since the object filename is not given with the -MM flag, the compiler

  2386. # is only able to print the basename, and we must add the path ourselves

  2387. DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'

  2388. DEPFLAGS='-MM'

  2389. 

  2390. # find source path

  2391. if test -f configure; then

  2392.     source_path=.

  2393. else

  2394.     source_path=$(cd $(dirname "$0"); pwd)

  2395.     echo "$source_path" | grep -q '[[:blank:]]' &&

  2396.         die "Out of tree builds are impossible with whitespace in source path."

  2397.     test -e "$source_path/config.h" &&

  2398.         die "Out of tree builds are impossible with config.h in source dir."

  2399. fi

  2400. 

  2401. for v in "$@"; do

  2402.     r=${v#*=}

  2403.     l=${v%"$r"}

  2404.     r=$(sh_quote "$r")

  2405.     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"

  2406. done

  2407. 

  2408. find_things(){

  2409.     thing=$1

  2410.     pattern=$2

  2411.     file=$source_path/$3

  2412.     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"

  2413. }

  2414. 

  2415. ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)

  2416. DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)

  2417. HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)

  2418. PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)

  2419. BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)

  2420. MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)

  2421. DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)

  2422. OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)

  2423. INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)

  2424. PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)

  2425. FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)

  2426. 

  2427. ALL_COMPONENTS="

  2428.     $BSF_LIST

  2429.     $DECODER_LIST

  2430.     $DEMUXER_LIST

  2431.     $ENCODER_LIST

  2432.     $FILTER_LIST

  2433.     $HWACCEL_LIST

  2434.     $INDEV_LIST

  2435.     $MUXER_LIST

  2436.     $OUTDEV_LIST

  2437.     $PARSER_LIST

  2438.     $PROTOCOL_LIST

  2439. "

  2440. 

  2441. for n in $COMPONENT_LIST; do

  2442.     v=$(toupper ${n%s})_LIST

  2443.     eval enable \$$v

  2444.     eval ${n}_if_any="\$$v"

  2445. done

  2446. 

  2447. enable $ARCH_EXT_LIST

  2448. 

  2449. die_unknown(){

  2450.     echo "Unknown option \"$1\"."

  2451.     echo "See $0 --help for available options."

  2452.     exit 1

  2453. }

  2454. 

  2455. print_3_columns() {

  2456.     cat | tr ' ' '\n' | sort | pr -r -3 -t

  2457. }

  2458. 

  2459. show_list() {

  2460.     suffix=_$1

  2461.     shift

  2462.     echo $* | sed s/$suffix//g | print_3_columns

  2463.     exit 0

  2464. }

  2465. 

  2466. rand_list(){

  2467.     IFS=', '

  2468.     set -- $*

  2469.     unset IFS

  2470.     for thing; do

  2471.         comp=${thing%:*}

  2472.         prob=${thing#$comp}

  2473.         prob=${prob#:}

  2474.         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST

  2475.         echo "prob ${prob:-0.5}"

  2476.         printf '%s\n' $comp

  2477.     done

  2478. }

  2479. 

  2480. do_random(){

  2481.     action=$1

  2482.     shift

  2483.     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")

  2484.     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")

  2485. }

  2486. 

  2487. for opt do

  2488.     optval="${opt#*=}"

  2489.     case "$opt" in

  2490.         --extra-ldflags=*)

  2491.             add_ldflags $optval

  2492.         ;;

  2493.         --extra-libs=*)

  2494.             add_extralibs $optval

  2495.         ;;

  2496.         --disable-devices)

  2497.             disable $INDEV_LIST $OUTDEV_LIST

  2498.         ;;

  2499.         --enable-debug=*)

  2500.             debuglevel="$optval"

  2501.         ;;

  2502.         --disable-programs)

  2503.             disable $PROGRAM_LIST

  2504.         ;;

  2505.         --disable-everything)

  2506.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  2507.         ;;

  2508.         --disable-all)

  2509.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  2510.             disable $LIBRARY_LIST $PROGRAM_LIST doc

  2511.         ;;

  2512.         --enable-random|--disable-random)

  2513.             action=${opt%%-random}

  2514.             do_random ${action#--} $COMPONENT_LIST

  2515.         ;;

  2516.         --enable-random=*|--disable-random=*)

  2517.             action=${opt%%-random=*}

  2518.             do_random ${action#--} $optval

  2519.         ;;

  2520.         --enable-*=*|--disable-*=*)

  2521.             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')

  2522.             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"

  2523.             eval list=\$$(toupper $thing)_LIST

  2524.             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}

  2525.             list=$(filter "$name" $list)

  2526.             [ "$list" = "" ] && warn "Option $opt did not match anything"

  2527.             $action $list

  2528.         ;;

  2529.         --enable-?*|--disable-?*)

  2530.             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')

  2531.             if is_in $option $COMPONENT_LIST; then

  2532.                 test $action = disable && action=unset

  2533.                 eval $action \$$(toupper ${option%s})_LIST

  2534.             elif is_in $option $CMDLINE_SELECT; then

  2535.                 $action $option

  2536.             else

  2537.                 die_unknown $opt

  2538.             fi

  2539.         ;;

  2540.         --list-*)

  2541.             NAME="${opt#--list-}"

  2542.             is_in $NAME $COMPONENT_LIST || die_unknown $opt

  2543.             NAME=${NAME%s}

  2544.             eval show_list $NAME \$$(toupper $NAME)_LIST

  2545.         ;;

  2546.         --help|-h) show_help

  2547.         ;;

  2548.         --fatal-warnings) enable fatal_warnings

  2549.         ;;

  2550.         *)

  2551.             optname="${opt%%=*}"

  2552.             optname="${optname#--}"

  2553.             optname=$(echo "$optname" | sed 's/-/_/g')

  2554.             if is_in $optname $CMDLINE_SET; then

  2555.                 eval $optname='$optval'

  2556.             elif is_in $optname $CMDLINE_APPEND; then

  2557.                 append $optname "$optval"

  2558.             else

  2559.                 die_unknown $opt

  2560.             fi

  2561.         ;;

  2562.     esac

  2563. done

  2564. 

  2565. disabled logging && logfile=/dev/null

  2566. 

  2567. echo "# $0 $FFMPEG_CONFIGURATION" > $logfile

  2568. set >> $logfile

  2569. 

  2570. test -n "$cross_prefix" && enable cross_compile

  2571. 

  2572. if enabled cross_compile; then

  2573.     test -n "$arch" && test -n "$target_os" ||

  2574.         die "Must specify target arch and OS when cross-compiling"

  2575. fi

  2576. 

  2577. ar_default="${cross_prefix}${ar_default}"

  2578. cc_default="${cross_prefix}${cc_default}"

  2579. cxx_default="${cross_prefix}${cxx_default}"

  2580. nm_default="${cross_prefix}${nm_default}"

  2581. pkg_config_default="${cross_prefix}${pkg_config_default}"

  2582. ranlib="${cross_prefix}${ranlib}"

  2583. strip_default="${cross_prefix}${strip_default}"

  2584. 

  2585. sysinclude_default="${sysroot}/usr/include"

  2586. 

  2587. test -n "$valgrind" && toolchain="valgrind-memcheck"

  2588. 

  2589. case "$toolchain" in

  2590.     clang-asan)

  2591.         cc_default="clang"

  2592.         add_cflags  -fsanitize=address

  2593.         add_ldflags -fsanitize=address

  2594.     ;;

  2595.     clang-tsan)

  2596.         cc_default="clang"

  2597.         add_cflags  -fsanitize=thread -pie

  2598.         add_ldflags -fsanitize=thread -pie

  2599.     ;;

  2600.     gcc-asan)

  2601.         cc_default="gcc"

  2602.         add_cflags  -fsanitize=address

  2603.         add_ldflags -fsanitize=address

  2604.     ;;

  2605.     gcc-tsan)

  2606.         cc_default="gcc"

  2607.         add_cflags  -fsanitize=thread -pie -fPIC

  2608.         add_ldflags -fsanitize=thread -pie -fPIC

  2609.     ;;

  2610.     valgrind-massif)

  2611.         target_exec_default=${valgrind:-"valgrind"}

  2612.         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"

  2613.     ;;

  2614.     valgrind-memcheck)

  2615.         target_exec_default=${valgrind:-"valgrind"}

  2616.         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"

  2617.     ;;

  2618.     msvc)

  2619.         cc_default="c99wrap cl"

  2620.         ld_default="c99wrap link"

  2621.         nm_default="dumpbin -symbols"

  2622.         ar_default="lib"

  2623.         target_os_default="win32"

  2624.     ;;

  2625.     icl)

  2626.         cc_default="c99wrap -noconv icl"

  2627.         ld_default="c99wrap xilink"

  2628.         nm_default="dumpbin -symbols"

  2629.         ar_default="xilib"

  2630.         target_os_default="win32"

  2631.     ;;

  2632.     gcov)

  2633.         add_cflags  -fprofile-arcs -ftest-coverage

  2634.         add_ldflags -fprofile-arcs -ftest-coverage

  2635.     ;;

  2636.     hardened)

  2637.         add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all

  2638.         add_ldflags -Wl,-z,relro -Wl,-z,now

  2639.     ;;

  2640.     ?*)

  2641.         die "Unknown toolchain $toolchain"

  2642.     ;;

  2643. esac

  2644. 

  2645. set_default arch cc cxx pkg_config strip sysinclude target_exec target_os yasmexe

  2646. enabled cross_compile || host_cc_default=$cc

  2647. set_default host_cc

  2648. 

  2649. if ! $pkg_config --version >/dev/null 2>&1; then

  2650.     warn "$pkg_config not found, library detection may fail."

  2651.     pkg_config=false

  2652. fi

  2653. 

  2654. exesuf() {

  2655.     case $1 in

  2656.         mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;

  2657.     esac

  2658. }

  2659. 

  2660. EXESUF=$(exesuf $target_os)

  2661. HOSTEXESUF=$(exesuf $host_os)

  2662. 

  2663. # set temporary file name

  2664. : ${TMPDIR:=$TEMPDIR}

  2665. : ${TMPDIR:=$TMP}

  2666. : ${TMPDIR:=/tmp}

  2667. 

  2668. if [ -n "$tempprefix" ] ; then

  2669.     mktemp(){

  2670.         echo $tempprefix.${HOSTNAME}.${UID}

  2671.     }

  2672. elif ! check_cmd mktemp -u XXXXXX; then

  2673.     # simple replacement for missing mktemp

  2674.     # NOT SAFE FOR GENERAL USE

  2675.     mktemp(){

  2676.         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"

  2677.     }

  2678. fi

  2679. 

  2680. tmpfile(){

  2681.     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&

  2682.         (set -C; exec > $tmp) 2>/dev/null ||

  2683.         die "Unable to create temporary file in $TMPDIR."

  2684.     append TMPFILES $tmp

  2685.     eval $1=$tmp

  2686. }

  2687. 

  2688. trap 'rm -f -- $TMPFILES' EXIT

  2689. 

  2690. tmpfile TMPASM .asm

  2691. tmpfile TMPC   .c

  2692. tmpfile TMPCPP .cpp

  2693. tmpfile TMPE   $EXESUF

  2694. tmpfile TMPH   .h

  2695. tmpfile TMPO   .o

  2696. tmpfile TMPS   .S

  2697. tmpfile TMPSH  .sh

  2698. tmpfile TMPV   .ver

  2699. 

  2700. unset -f mktemp

  2701. 

  2702. chmod +x $TMPE

  2703. 

  2704. # make sure we can execute files in $TMPDIR

  2705. cat > $TMPSH 2>> $logfile <<EOF

  2706. #! /bin/sh

  2707. EOF

  2708. chmod +x $TMPSH >> $logfile 2>&1

  2709. if ! $TMPSH >> $logfile 2>&1; then

  2710.     cat <<EOF

  2711. Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment

  2712. variable to another directory and make sure that it is not mounted noexec.

  2713. EOF

  2714.     die "Sanity test failed."

  2715. fi

  2716. 

  2717. ccc_flags(){

  2718.     for flag; do

  2719.         case $flag in

  2720.             -std=c99)           echo -c99                       ;;

  2721.             -mcpu=*)            echo -arch ${flag#*=}           ;;

  2722.             -mieee)             echo -ieee                      ;;

  2723.             -O*|-fast)          echo $flag                      ;;

  2724.             -fno-math-errno)    echo -assume nomath_errno       ;;

  2725.             -g)                 echo -g3                        ;;

  2726.             -Wall)              echo -msg_enable level2         ;;

  2727.             -Wno-pointer-sign)  echo -msg_disable ptrmismatch1  ;;

  2728.             -Wl,*)              echo $flag                      ;;

  2729.             -f*|-W*)                                            ;;

  2730.             *)                  echo $flag                      ;;

  2731.         esac

  2732.    done

  2733. }

  2734. 

  2735. cparser_flags(){

  2736.     for flag; do

  2737.         case $flag in

  2738.             -Wno-switch)             echo -Wno-switch-enum ;;

  2739.             -Wno-format-zero-length) ;;

  2740.             -Wdisabled-optimization) ;;

  2741.             -Wno-pointer-sign)       echo -Wno-other ;;

  2742.             *)                       echo $flag ;;

  2743.         esac

  2744.     done

  2745. }

  2746. 

  2747. msvc_common_flags(){

  2748.     for flag; do

  2749.         case $flag in

  2750.             # In addition to specifying certain flags under the compiler

  2751.             # specific filters, they must be specified here as well or else the

  2752.             # generic catch all at the bottom will print the original flag.

  2753.             -Wall)                ;;

  2754.             -std=c99)             ;;

  2755.             # Common flags

  2756.             -fomit-frame-pointer) ;;

  2757.             -g)                   echo -Z7 ;;

  2758.             -fno-math-errno)      ;;

  2759.             -fno-common)          ;;

  2760.             -fno-signed-zeros)    ;;

  2761.             -fPIC)                ;;

  2762.             -mthumb)              ;;

  2763.             -march=*)             ;;

  2764.             -lz)                  echo zlib.lib ;;

  2765.             -lavifil32)           echo vfw32.lib ;;

  2766.             -lavicap32)           echo vfw32.lib user32.lib ;;

  2767.             -l*)                  echo ${flag#-l}.lib ;;

  2768.             *)                    echo $flag ;;

  2769.         esac

  2770.     done

  2771. }

  2772. 

  2773. msvc_flags(){

  2774.     msvc_common_flags "$@"

  2775.     for flag; do

  2776.         case $flag in

  2777.             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \

  2778.                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \

  2779.                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \

  2780.                                        -wd4554 \

  2781.                                        -wd4273 ;;

  2782.         esac

  2783.     done

  2784. }

  2785. 

  2786. icl_flags(){

  2787.     msvc_common_flags "$@"

  2788.     for flag; do

  2789.         case $flag in

  2790.             # Despite what Intel's documentation says -Wall, which is supported

  2791.             # on Windows, does enable remarks so disable them here.

  2792.             -Wall)                echo $flag -Qdiag-disable:remark ;;

  2793.             -std=c99)             echo -Qstd=c99 ;;

  2794.         esac

  2795.     done

  2796. }

  2797. 

  2798. pgi_flags(){

  2799.     for flag; do

  2800.         case $flag in

  2801.             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;

  2802.             -fomit-frame-pointer) echo -Mnoframe ;;

  2803.             -g)                   echo -gopt ;;

  2804.             *)                    echo $flag ;;

  2805.         esac

  2806.     done

  2807. }

  2808. 

  2809. suncc_flags(){

  2810.     for flag; do

  2811.         case $flag in

  2812.             -march=*|-mcpu=*)

  2813.                 case "${flag#*=}" in

  2814.                     native)                   echo -xtarget=native       ;;

  2815.                     v9|niagara)               echo -xarch=sparc          ;;

  2816.                     ultrasparc)               echo -xarch=sparcvis       ;;

  2817.                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;

  2818.                     i586|pentium)             echo -xchip=pentium        ;;

  2819.                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;

  2820.                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;

  2821.                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;

  2822.                     pentium4*)          echo -xtarget=pentium4           ;;

  2823.                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;

  2824.                     *-sse3)             echo -xarch=sse3                 ;;

  2825.                     core2)              echo -xarch=ssse3 -xchip=core2   ;;

  2826.                     corei7)           echo -xarch=sse4_2 -xchip=nehalem  ;;

  2827.                     corei7-avx)       echo -xarch=avx -xchip=sandybridge ;;

  2828.                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;

  2829.                     bdver*)                    echo -xarch=avx           ;;

  2830.                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;

  2831.                     k8|opteron|athlon64|athlon-fx)

  2832.                                                echo -xarch=sse2a         ;;

  2833.                     athlon*)                   echo -xarch=pentium_proa  ;;

  2834.                 esac

  2835.                 ;;

  2836.             -std=c99)             echo -xc99              ;;

  2837.             -fomit-frame-pointer) echo -xregs=frameptr    ;;

  2838.             -fPIC)                echo -KPIC -xcode=pic32 ;;

  2839.             -W*,*)                echo $flag              ;;

  2840.             -f*-*|-W*|-mimpure-text)                      ;;

  2841.             -shared)              echo -G                 ;;

  2842.             *)                    echo $flag              ;;

  2843.         esac

  2844.     done

  2845. }

  2846. 

  2847. tms470_flags(){

  2848.     for flag; do

  2849.         case $flag in

  2850.             -march=*|-mcpu=*)

  2851.                 case "${flag#*=}" in

  2852.                     armv7-a|cortex-a*)      echo -mv=7a8 ;;

  2853.                     armv7-r|cortex-r*)      echo -mv=7r4 ;;

  2854.                     armv7-m|cortex-m*)      echo -mv=7m3 ;;

  2855.                     armv6*|arm11*)          echo -mv=6   ;;

  2856.                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])

  2857.                                             echo -mv=5e  ;;

  2858.                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;

  2859.                 esac

  2860.                 ;;

  2861.             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;

  2862.             -mfpu=vfp)      echo --float_support=vfpv2        ;;

  2863.             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;

  2864.             -mfpu=vfpv3-d16) echo --float_support=vfpv3d16    ;;

  2865.             -msoft-float)   echo --float_support=vfplib       ;;

  2866.             -O[0-3]|-mf=*)  echo $flag                        ;;

  2867.             -g)             echo -g -mn                       ;;

  2868.             -pds=*)         echo $flag                        ;;

  2869.             -D*|-I*)        echo $flag                        ;;

  2870.             --gcc|--abi=*)  echo $flag                        ;;

  2871.             -me)            echo $flag                        ;;

  2872.         esac

  2873.     done

  2874. }

  2875. 

  2876. probe_cc(){

  2877.     pfx=$1

  2878.     _cc=$2

  2879. 

  2880.     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags

  2881.     unset _ld_o _ldflags _ld_lib _ld_path

  2882.     unset _depflags _DEPCMD _DEPFLAGS

  2883.     _flags_filter=echo

  2884. 

  2885.     if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then

  2886.         _type=llvm_gcc

  2887.         gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')

  2888.         _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"

  2889.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  2890.         _cflags_speed='-O3'

  2891.         _cflags_size='-Os'

  2892.     elif $_cc -v 2>&1 | grep -qi ^gcc; then

  2893.         _type=gcc

  2894.         gcc_version=$($_cc --version | head -n1)

  2895.         gcc_basever=$($_cc -dumpversion)

  2896.         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')

  2897.         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")

  2898.         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")

  2899.         if ! $_cc -dumpversion | grep -q '^2\.'; then

  2900.             _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  2901.         fi

  2902.         _cflags_speed='-O3'

  2903.         _cflags_size='-Os'

  2904.     elif $_cc --version 2>/dev/null | grep -q ^icc; then

  2905.         _type=icc

  2906.         _ident=$($_cc --version | head -n1)

  2907.         _depflags='-MMD'

  2908.         _cflags_speed='-O3'

  2909.         _cflags_size='-Os'

  2910.         _cflags_noopt='-O1'

  2911.     elif $_cc -v 2>&1 | grep -q xlc; then

  2912.         _type=xlc

  2913.         _ident=$($_cc -qversion 2>/dev/null | head -n1)

  2914.         _cflags_speed='-O5'

  2915.         _cflags_size='-O5 -qcompact'

  2916.     elif $_cc -V 2>/dev/null | grep -q Compaq; then

  2917.         _type=ccc

  2918.         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)

  2919.         _DEPFLAGS='-M'

  2920.         _cflags_speed='-fast'

  2921.         _cflags_size='-O1'

  2922.         _flags_filter=ccc_flags

  2923.     elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then

  2924.         test -d "$sysroot" || die "No valid sysroot specified."

  2925.         _type=armcc

  2926.         _ident=$($_cc --vsn | head -n1)

  2927.         armcc_conf="$PWD/armcc.conf"

  2928.         $_cc --arm_linux_configure                 \

  2929.              --arm_linux_config_file="$armcc_conf" \

  2930.              --configure_sysroot="$sysroot"        \

  2931.              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||

  2932.              die "Error creating armcc configuration file."

  2933.         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc

  2934.         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"

  2935.         as_default="${cross_prefix}gcc"

  2936.         _depflags='-MMD'

  2937.         _cflags_speed='-O3'

  2938.         _cflags_size='-Os'

  2939.     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then

  2940.         _type=tms470

  2941.         _ident=$($_cc -version | head -n1 | tr -s ' ')

  2942.         _flags='--gcc --abi=eabi -me'

  2943.         _cc_e='-ppl -fe=$@'

  2944.         _cc_o='-fe=$@'

  2945.         _depflags='-ppa -ppd=$(@:.o=.d)'

  2946.         _cflags_speed='-O3 -mf=5'

  2947.         _cflags_size='-O3 -mf=2'

  2948.         _flags_filter=tms470_flags

  2949.     elif $_cc -v 2>&1 | grep -q clang; then

  2950.         _type=clang

  2951.         _ident=$($_cc --version | head -n1)

  2952.         _depflags='-MMD'

  2953.         _cflags_speed='-O3'

  2954.         _cflags_size='-Os'

  2955.     elif $_cc -V 2>&1 | grep -q Sun; then

  2956.         _type=suncc

  2957.         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)

  2958.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'

  2959.         _DEPFLAGS='-xM1 -xc99'

  2960.         _ldflags='-std=c99'

  2961.         _cflags_speed='-O5'

  2962.         _cflags_size='-O5 -xspace'

  2963.         _flags_filter=suncc_flags

  2964.     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then

  2965.         _type=pathscale

  2966.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  2967.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  2968.         _cflags_speed='-O2'

  2969.         _cflags_size='-Os'

  2970.         _flags_filter='filter_out -Wdisabled-optimization'

  2971.     elif $_cc -v 2>&1 | grep -q Open64; then

  2972.         _type=open64

  2973.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  2974.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  2975.         _cflags_speed='-O2'

  2976.         _cflags_size='-Os'

  2977.         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'

  2978.     elif $_cc -V 2>&1 | grep -q Portland; then

  2979.         _type=pgi

  2980.         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"

  2981.         opt_common='-alias=ansi -Mdse -Mlre -Mpre'

  2982.         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"

  2983.         _cflags_size="-O2 -Munroll=c:1 $opt_common"

  2984.         _cflags_noopt="-O"

  2985.         _flags_filter=pgi_flags

  2986.     elif $_cc 2>&1 | grep -q Microsoft; then

  2987.         _type=msvc

  2988.         _ident=$($cc 2>&1 | head -n1)

  2989.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'

  2990.         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'

  2991.         _cflags_speed="-O2"

  2992.         _cflags_size="-O1"

  2993.         # Nonstandard output options, to avoid msys path conversion issues.

  2994.         # Relies on wrapper to remap it.

  2995.         if $_cc 2>&1 | grep -q Linker; then

  2996.             _ld_o='-out $@'

  2997.         else

  2998.             _ld_o='-Fe$@'

  2999.         fi

  3000.         _cc_o='-Fo $@'

  3001.         _cc_e='-P -Fi $@'

  3002.         _flags_filter=msvc_flags

  3003.         _ld_lib='lib%.a'

  3004.         _ld_path='-libpath:'

  3005.         _flags='-nologo'

  3006.         _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'

  3007.         if [ $pfx = hostcc ]; then

  3008.             append _cflags -Dsnprintf=_snprintf

  3009.         fi

  3010.         disable stripping

  3011.     elif $_cc 2>&1 | grep -q Intel; then

  3012.         _type=icl

  3013.         _ident=$($cc 2>&1 | head -n1)

  3014.         _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'

  3015.         # Not only is O3 broken on 13.x+ but it is slower on all previous

  3016.         # versions (tested) as well.

  3017.         _cflags_speed="-O2"

  3018.         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff

  3019.         # Nonstandard output options, to avoid msys path conversion issues.

  3020.         # Relies on wrapper to remap it.

  3021.         if $_cc 2>&1 | grep -q Linker; then

  3022.             _ld_o='-out $@'

  3023.         else

  3024.             _ld_o='-Fe$@'

  3025.         fi

  3026.         _cc_o='-Fo $@'

  3027.         _cc_e='-P'

  3028.         _flags_filter=icl_flags

  3029.         _ld_lib='lib%.a'

  3030.         _ld_path='-libpath:'

  3031.         # -Qdiag-error to make icl error when seeing certain unknown arguments

  3032.         _flags='-nologo -Qdiag-error:4044,10157'

  3033.         # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency

  3034.         # with MSVC which enables it by default.

  3035.         _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'

  3036.         if [ $pfx = hostcc ]; then

  3037.             append _cflags -Dsnprintf=_snprintf

  3038.         fi

  3039.     elif $_cc --version 2>/dev/null | grep -q ^cparser; then

  3040.         _type=cparser

  3041.         _ident=$($_cc --version | head -n1)

  3042.         _depflags='-MMD'

  3043.         _cflags_speed='-O4'

  3044.         _cflags_size='-O2'

  3045.         _flags_filter=cparser_flags

  3046.     fi

  3047. 

  3048.     eval ${pfx}_type=\$_type

  3049.     eval ${pfx}_ident=\$_ident

  3050. }

  3051. 

  3052. set_ccvars(){

  3053.     eval ${1}_C=\${_cc_c-\${${1}_C}}

  3054.     eval ${1}_E=\${_cc_e-\${${1}_E}}

  3055.     eval ${1}_O=\${_cc_o-\${${1}_O}}

  3056. 

  3057.     if [ -n "$_depflags" ]; then

  3058.         eval ${1}_DEPFLAGS=\$_depflags

  3059.     else

  3060.         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}

  3061.         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}

  3062.         eval DEP${1}FLAGS=\$_flags

  3063.     fi

  3064. }

  3065. 

  3066. probe_cc cc "$cc"

  3067. cflags_filter=$_flags_filter

  3068. cflags_speed=$_cflags_speed

  3069. cflags_size=$_cflags_size

  3070. cflags_noopt=$_cflags_noopt

  3071. add_cflags $_flags $_cflags

  3072. cc_ldflags=$_ldflags

  3073. set_ccvars CC

  3074. 

  3075. probe_cc hostcc "$host_cc"

  3076. host_cflags_filter=$_flags_filter

  3077. add_host_cflags  $_flags $_cflags

  3078. set_ccvars HOSTCC

  3079. 

  3080. test -n "$cc_type" && enable $cc_type ||

  3081.     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"

  3082. 

  3083. : ${as_default:=$cc}

  3084. : ${dep_cc_default:=$cc}

  3085. : ${ld_default:=$cc}

  3086. : ${host_ld_default:=$host_cc}

  3087. set_default ar as dep_cc ld host_ld

  3088. 

  3089. probe_cc as "$as"

  3090. asflags_filter=$_flags_filter

  3091. add_asflags $_flags $_cflags

  3092. set_ccvars AS

  3093. 

  3094. probe_cc ld "$ld"

  3095. ldflags_filter=$_flags_filter

  3096. add_ldflags $_flags $_ldflags

  3097. test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags

  3098. LD_O=${_ld_o-$LD_O}

  3099. LD_LIB=${_ld_lib-$LD_LIB}

  3100. LD_PATH=${_ld_path-$LD_PATH}

  3101. 

  3102. probe_cc hostld "$host_ld"

  3103. host_ldflags_filter=$_flags_filter

  3104. add_host_ldflags $_flags $_ldflags

  3105. HOSTLD_O=${_ld_o-$HOSTLD_O}

  3106. 

  3107. if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then

  3108.     probe_cc depcc "$dep_cc"

  3109.     CCDEP=${_DEPCMD:-$DEPCMD}

  3110.     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}

  3111.     DEPCCFLAGS=$_flags

  3112. fi

  3113. 

  3114. if $ar 2>&1 | grep -q Microsoft; then

  3115.     arflags="-nologo"

  3116.     ar_o='-out:$@'

  3117. elif $ar 2>&1 | grep -q 'Texas Instruments'; then

  3118.     arflags="rq"

  3119.     ar_o='$@'

  3120. elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then

  3121.     arflags='-Xany -r -c'

  3122.     ar_o='$@'

  3123. else

  3124.     arflags="rc"

  3125.     ar_o='$@'

  3126. fi

  3127. 

  3128. add_cflags $extra_cflags

  3129. add_cxxflags $extra_cxxflags

  3130. add_asflags $extra_cflags

  3131. 

  3132. if test -n "$sysroot"; then

  3133.     case "$cc_type" in

  3134.         gcc|llvm_gcc|clang)

  3135.             add_cppflags --sysroot="$sysroot"

  3136.             add_ldflags --sysroot="$sysroot"

  3137.         ;;

  3138.         tms470)

  3139.             add_cppflags -I"$sysinclude"

  3140.             add_ldflags  --sysroot="$sysroot"

  3141.         ;;

  3142.     esac

  3143. fi

  3144. 

  3145. if test "$cpu" = host; then

  3146.     enabled cross_compile &&

  3147.         die "--cpu=host makes no sense when cross-compiling."

  3148. 

  3149.     case "$cc_type" in

  3150.         gcc|llvm_gcc)

  3151.             check_native(){

  3152.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  3153.                 sed -n "/cc1.*$1=/{

  3154.                             s/.*$1=\\([^ ]*\\).*/\\1/

  3155.                             p

  3156.                             q

  3157.                         }" $TMPE

  3158.             }

  3159.             cpu=$(check_native -march || check_native -mcpu)

  3160.         ;;

  3161.     esac

  3162. 

  3163.     test "${cpu:-host}" = host &&

  3164.         die "--cpu=host not supported with compiler $cc"

  3165. fi

  3166. 

  3167. # Deal with common $arch aliases

  3168. case "$arch" in

  3169.     aarch64|arm64)

  3170.         arch="aarch64"

  3171.     ;;

  3172.     arm*|iPad*|iPhone*)

  3173.         arch="arm"

  3174.     ;;

  3175.     mips*|IP*)

  3176.         arch="mips"

  3177.     ;;

  3178.     parisc*|hppa*)

  3179.         arch="parisc"

  3180.     ;;

  3181.     "Power Macintosh"|ppc*|powerpc*)

  3182.         arch="ppc"

  3183.     ;;

  3184.     s390|s390x)

  3185.         arch="s390"

  3186.     ;;

  3187.     sh4|sh)

  3188.         arch="sh4"

  3189.     ;;

  3190.     sun4u|sparc*)

  3191.         arch="sparc"

  3192.     ;;

  3193.     tilegx|tile-gx)

  3194.         arch="tilegx"

  3195.     ;;

  3196.     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)

  3197.         arch="x86"

  3198.     ;;

  3199. esac

  3200. 

  3201. is_in $arch $ARCH_LIST || warn "unknown architecture $arch"

  3202. enable $arch

  3203. 

  3204. # Add processor-specific flags

  3205. if enabled aarch64; then

  3206. 

  3207.     case $cpu in

  3208.         armv*)

  3209.             cpuflags="-march=$cpu"

  3210.         ;;

  3211.         *)

  3212.             cpuflags="-mcpu=$cpu"

  3213.         ;;

  3214.     esac

  3215. 

  3216. elif enabled alpha; then

  3217. 

  3218.     cpuflags="-mcpu=$cpu"

  3219. 

  3220. elif enabled arm; then

  3221. 

  3222.     check_arm_arch() {

  3223.         check_cpp_condition stddef.h \

  3224.             "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \

  3225.             $cpuflags

  3226.     }

  3227. 

  3228.     probe_arm_arch() {

  3229.         if   check_arm_arch 4;        then echo armv4;

  3230.         elif check_arm_arch 4T;       then echo armv4t;

  3231.         elif check_arm_arch 5;        then echo armv5;

  3232.         elif check_arm_arch 5E;       then echo armv5e;

  3233.         elif check_arm_arch 5T;       then echo armv5t;

  3234.         elif check_arm_arch 5TE;      then echo armv5te;

  3235.         elif check_arm_arch 5TEJ;     then echo armv5te;

  3236.         elif check_arm_arch 6;        then echo armv6;

  3237.         elif check_arm_arch 6J;       then echo armv6j;

  3238.         elif check_arm_arch 6K;       then echo armv6k;

  3239.         elif check_arm_arch 6Z;       then echo armv6z;

  3240.         elif check_arm_arch 6ZK;      then echo armv6zk;

  3241.         elif check_arm_arch 6T2;      then echo armv6t2;

  3242.         elif check_arm_arch 7;        then echo armv7;

  3243.         elif check_arm_arch 7A  7_A;  then echo armv7-a;

  3244.         elif check_arm_arch 7R  7_R;  then echo armv7-r;

  3245.         elif check_arm_arch 7M  7_M;  then echo armv7-m;

  3246.         elif check_arm_arch 7EM 7E_M; then echo armv7-m;

  3247.         elif check_arm_arch 8A  8_A;  then echo armv8-a;

  3248.         fi

  3249.     }

  3250. 

  3251.     [ "$cpu" = generic ] && cpu=$(probe_arm_arch)

  3252. 

  3253.     case $cpu in

  3254.         armv*)

  3255.             cpuflags="-march=$cpu"

  3256.             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')

  3257.         ;;

  3258.         *)

  3259.             cpuflags="-mcpu=$cpu"

  3260.             case $cpu in

  3261.                 cortex-a*)                               subarch=armv7a  ;;

  3262.                 cortex-r*)                               subarch=armv7r  ;;

  3263.                 cortex-m*)                 enable thumb; subarch=armv7m  ;;

  3264.                 arm11*)                                  subarch=armv6   ;;

  3265.                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;

  3266.                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;

  3267.                 *)                             subarch=$(probe_arm_arch) ;;

  3268.             esac

  3269.         ;;

  3270.     esac

  3271. 

  3272.     case "$subarch" in

  3273.         armv5t*)    enable fast_clz                ;;

  3274.         armv[6-8]*) enable fast_clz fast_unaligned ;;

  3275.     esac

  3276. 

  3277. elif enabled avr32; then

  3278. 

  3279.     case $cpu in

  3280.         ap7[02]0[0-2])

  3281.             subarch="avr32_ap"

  3282.             cpuflags="-mpart=$cpu"

  3283.         ;;

  3284.         ap)

  3285.             subarch="avr32_ap"

  3286.             cpuflags="-march=$cpu"

  3287.         ;;

  3288.         uc3[ab]*)

  3289.             subarch="avr32_uc"

  3290.             cpuflags="-mcpu=$cpu"

  3291.         ;;

  3292.         uc)

  3293.             subarch="avr32_uc"

  3294.             cpuflags="-march=$cpu"

  3295.         ;;

  3296.     esac

  3297. 

  3298. elif enabled bfin; then

  3299. 

  3300.     cpuflags="-mcpu=$cpu"

  3301. 

  3302. elif enabled mips; then

  3303. 

  3304.     cpuflags="-march=$cpu"

  3305. 

  3306.     case $cpu in

  3307.         24kc)

  3308.             disable mipsfpu

  3309.             disable mipsdspr1

  3310.             disable mipsdspr2

  3311.         ;;

  3312.         24kf*)

  3313.             disable mipsdspr1

  3314.             disable mipsdspr2

  3315.         ;;

  3316.         24kec|34kc|1004kc)

  3317.             disable mipsfpu

  3318.             disable mipsdspr2

  3319.         ;;

  3320.         24kef*|34kf*|1004kf*)

  3321.             disable mipsdspr2

  3322.         ;;

  3323.         74kc)

  3324.             disable mipsfpu

  3325.         ;;

  3326.     esac

  3327. 

  3328. elif enabled ppc; then

  3329. 

  3330.     case $(tolower $cpu) in

  3331.         601|ppc601|powerpc601)

  3332.             cpuflags="-mcpu=601"

  3333.             disable altivec

  3334.         ;;

  3335.         603*|ppc603*|powerpc603*)

  3336.             cpuflags="-mcpu=603"

  3337.             disable altivec

  3338.         ;;

  3339.         604*|ppc604*|powerpc604*)

  3340.             cpuflags="-mcpu=604"

  3341.             disable altivec

  3342.         ;;

  3343.         g3|75*|ppc75*|powerpc75*)

  3344.             cpuflags="-mcpu=750"

  3345.             disable altivec

  3346.         ;;

  3347.         g4|745*|ppc745*|powerpc745*)

  3348.             cpuflags="-mcpu=7450"

  3349.         ;;

  3350.         74*|ppc74*|powerpc74*)

  3351.             cpuflags="-mcpu=7400"

  3352.         ;;

  3353.         g5|970|ppc970|powerpc970)

  3354.             cpuflags="-mcpu=970"

  3355.         ;;

  3356.         power[3-7]*)

  3357.             cpuflags="-mcpu=$cpu"

  3358.         ;;

  3359.         cell)

  3360.             cpuflags="-mcpu=cell"

  3361.             enable ldbrx

  3362.         ;;

  3363.         e500mc)

  3364.             cpuflags="-mcpu=e500mc"

  3365.             disable altivec

  3366.         ;;

  3367.         e500v2)

  3368.             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"

  3369.             disable altivec

  3370.         ;;

  3371.         e500)

  3372.             cpuflags="-mcpu=8540 -mhard-float"

  3373.             disable altivec

  3374.         ;;

  3375.     esac

  3376. 

  3377. elif enabled sparc; then

  3378. 

  3379.     case $cpu in

  3380.         cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])

  3381.             cpuflags="-mcpu=$cpu"

  3382.             disable vis

  3383.         ;;

  3384.         ultrasparc*|niagara[234])

  3385.             cpuflags="-mcpu=$cpu"

  3386.         ;;

  3387.     esac

  3388. 

  3389. elif enabled x86; then

  3390. 

  3391.     case $cpu in

  3392.         i[345]86|pentium)

  3393.             cpuflags="-march=$cpu"

  3394.             disable mmx

  3395.         ;;

  3396.         # targets that do NOT support nopl and conditional mov (cmov)

  3397.         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)

  3398.             cpuflags="-march=$cpu"

  3399.             disable i686

  3400.         ;;

  3401.         # targets that do support nopl and conditional mov (cmov)

  3402.         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)

  3403.             cpuflags="-march=$cpu"

  3404.             enable i686

  3405.             enable fast_cmov

  3406.         ;;

  3407.         # targets that do support conditional mov but on which it's slow

  3408.         pentium4|pentium4m|prescott|nocona)

  3409.             cpuflags="-march=$cpu"

  3410.             enable i686

  3411.             disable fast_cmov

  3412.         ;;

  3413.     esac

  3414. 

  3415. fi

  3416. 

  3417. if [ "$cpu" != generic ]; then

  3418.     add_cflags  $cpuflags

  3419.     add_asflags $cpuflags

  3420. fi

  3421. 

  3422. # compiler sanity check

  3423. check_exec <<EOF

  3424. int main(void){ return 0; }

  3425. EOF

  3426. if test "$?" != 0; then

  3427.     echo "$cc is unable to create an executable file."

  3428.     if test -z "$cross_prefix" && ! enabled cross_compile ; then

  3429.         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."

  3430.         echo "Only do this if you know what cross compiling means."

  3431.     fi

  3432.     die "C compiler test failed."

  3433. fi

  3434. 

  3435. add_cppflags -D_ISOC99_SOURCE

  3436. add_cxxflags -D__STDC_CONSTANT_MACROS

  3437. check_cflags -std=c99

  3438. check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64

  3439. #include <stdlib.h>

  3440. EOF

  3441. check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE

  3442. #include <stdlib.h>

  3443. EOF

  3444. 

  3445. check_host_cflags -std=c99

  3446. check_host_cflags -Wall

  3447. 

  3448. check_64bit(){

  3449.     arch32=$1

  3450.     arch64=$2

  3451.     expr=$3

  3452.     check_code cc "" "int test[2*($expr) - 1]" &&

  3453.         subarch=$arch64 || subarch=$arch32

  3454. }

  3455. 

  3456. case "$arch" in

  3457.     aarch64|alpha|ia64)

  3458.         spic=$shared

  3459.     ;;

  3460.     mips)

  3461.         check_64bit mips mips64 '_MIPS_SIM > 1'

  3462.         spic=$shared

  3463.     ;;

  3464.     parisc)

  3465.         check_64bit parisc parisc64 'sizeof(void *) > 4'

  3466.         spic=$shared

  3467.     ;;

  3468.     ppc)

  3469.         check_64bit ppc ppc64 'sizeof(void *) > 4'

  3470.         spic=$shared

  3471.     ;;

  3472.     sparc)

  3473.         check_64bit sparc sparc64 'sizeof(void *) > 4'

  3474.         spic=$shared

  3475.     ;;

  3476.     x86)

  3477.         check_64bit x86_32 x86_64 'sizeof(void *) > 4'

  3478.         if test "$subarch" = "x86_64"; then

  3479.             spic=$shared

  3480.         fi

  3481.     ;;

  3482.     ppc)

  3483.         check_cc <<EOF && subarch="ppc64"

  3484.         int test[(int)sizeof(char*) - 7];

  3485. EOF

  3486.     ;;

  3487. esac

  3488. 

  3489. enable $subarch

  3490. enabled spic && enable_weak pic

  3491. 

  3492. # OS specific

  3493. case $target_os in

  3494.     aix)

  3495.         SHFLAGS=-shared

  3496.         add_cppflags '-I\$(SRC_PATH)/compat/aix'

  3497.         enabled shared && add_ldflags -Wl,-brtl

  3498.         ;;

  3499.     haiku)

  3500.         prefix_default="/boot/common"

  3501.         network_extralibs="-lnetwork"

  3502.         host_libs=

  3503.         ;;

  3504.     sunos)

  3505.         SHFLAGS='-shared -Wl,-h,$$(@F)'

  3506.         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"

  3507.         network_extralibs="-lsocket -lnsl"

  3508.         add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600

  3509.         # When using suncc to build, the Solaris linker will mark

  3510.         # an executable with each instruction set encountered by

  3511.         # the Solaris assembler.  As our libraries contain their own

  3512.         # guards for processor-specific code, instead suppress

  3513.         # generation of the HWCAPS ELF section on Solaris x86 only.

  3514.         enabled_all suncc x86 &&

  3515.             echo "hwcap_1 = OVERRIDE;" > mapfile &&

  3516.             add_ldflags -Wl,-M,mapfile

  3517.         nm_default='nm -P -g'

  3518.         ;;

  3519.     netbsd)

  3520.         disable symver

  3521.         oss_indev_extralibs="-lossaudio"

  3522.         oss_outdev_extralibs="-lossaudio"

  3523.         enabled gcc || check_ldflags -Wl,-zmuldefs

  3524.         ;;

  3525.     openbsd|bitrig)

  3526.         disable symver

  3527.         SHFLAGS='-shared'

  3528.         SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'

  3529.         SLIB_INSTALL_LINKS=

  3530.         oss_indev_extralibs="-lossaudio"

  3531.         oss_outdev_extralibs="-lossaudio"

  3532.         ;;

  3533.     dragonfly)

  3534.         disable symver

  3535.         ;;

  3536.     freebsd)

  3537.         ;;

  3538.     bsd/os)

  3539.         add_extralibs -lpoll -lgnugetopt

  3540.         strip="strip -d"

  3541.         ;;

  3542.     darwin)

  3543.         gas="gas-preprocessor.pl $cc"

  3544.         enabled ppc && add_asflags -force_cpusubtype_ALL

  3545.         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'

  3546.         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress

  3547.         strip="${strip} -x"

  3548.         add_ldflags -Wl,-dynamic,-search_paths_first

  3549.         SLIBSUF=".dylib"

  3550.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'

  3551.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'

  3552.         objformat="macho"

  3553.         enabled x86_64 && objformat="macho64"

  3554.         enabled_any pic shared ||

  3555.             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }

  3556.         ;;

  3557.     mingw32*)

  3558.         if test $target_os = "mingw32ce"; then

  3559.             disable network

  3560.         else

  3561.             target_os=mingw32

  3562.         fi

  3563.         LIBTARGET=i386

  3564.         if enabled x86_64; then

  3565.             LIBTARGET="i386:x86-64"

  3566.         elif enabled arm; then

  3567.             LIBTARGET=arm-wince

  3568.         fi

  3569.         check_ldflags -Wl,--nxcompat

  3570.         check_ldflags -Wl,--dynamicbase

  3571.         shlibdir_default="$bindir_default"

  3572.         SLIBPREF=""

  3573.         SLIBSUF=".dll"

  3574.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  3575.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  3576.         dlltool="${cross_prefix}dlltool"

  3577.         if check_cmd lib.exe -list; then

  3578.             SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  3579.             if enabled x86_64; then

  3580.                 LIBTARGET=x64

  3581.             fi

  3582.         elif check_cmd $dlltool --version; then

  3583.             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)'

  3584.         fi

  3585.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  3586.         SLIB_INSTALL_LINKS=

  3587.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  3588.         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  3589.         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'

  3590.         objformat="win32"

  3591.         ranlib=:

  3592.         enable dos_paths

  3593.         ;;

  3594.     win32|win64)

  3595.         if enabled shared; then

  3596.             # Link to the import library instead of the normal static library

  3597.             # for shared libs.

  3598.             LD_LIB='%.lib'

  3599.             # Cannot build both shared and static libs with MSVC or icl.

  3600.             disable static

  3601.         fi

  3602.         shlibdir_default="$bindir_default"

  3603.         SLIBPREF=""

  3604.         SLIBSUF=".dll"

  3605.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  3606.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  3607.         SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'

  3608.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  3609.         SLIB_INSTALL_LINKS=

  3610.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  3611.         SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  3612.         SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  3613.         objformat="win32"

  3614.         ranlib=:

  3615.         enable dos_paths

  3616.         ;;

  3617.     cygwin*)

  3618.         target_os=cygwin

  3619.         shlibdir_default="$bindir_default"

  3620.         SLIBPREF="cyg"

  3621.         SLIBSUF=".dll"

  3622.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  3623.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  3624.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  3625.         SLIB_INSTALL_LINKS=

  3626.         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'

  3627.         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'

  3628.         objformat="win32"

  3629.         enable dos_paths

  3630.         ;;

  3631.     *-dos|freedos|opendos)

  3632.         network_extralibs="-lsocket"

  3633.         objformat="coff"

  3634.         enable dos_paths

  3635.         add_cppflags -U__STRICT_ANSI__

  3636.         ;;

  3637.     linux)

  3638.         enable dv1394

  3639.         ;;

  3640.     irix*)

  3641.         target_os=irix

  3642.         ranlib="echo ignoring ranlib"

  3643.         ;;

  3644.     os/2*)

  3645.         strip="lxlite -CS"

  3646.         ln_s="cp -f"

  3647.         objformat="aout"

  3648.         add_cppflags -D_GNU_SOURCE

  3649.         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap

  3650.         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'

  3651.         LIBSUF="_s.a"

  3652.         SLIBPREF=""

  3653.         SLIBSUF=".dll"

  3654.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'

  3655.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'

  3656.         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \

  3657.             echo PROTMODE >> $(SUBDIR)$(NAME).def; \

  3658.             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \

  3659.             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \

  3660.             echo EXPORTS >> $(SUBDIR)$(NAME).def; \

  3661.             emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'

  3662.         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \

  3663.             emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'

  3664.         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'

  3665.         enable dos_paths

  3666.         enable_weak os2threads

  3667.         ;;

  3668.     gnu/kfreebsd)

  3669.         add_cppflags -D_BSD_SOURCE

  3670.         ;;

  3671.     gnu)

  3672.         ;;

  3673.     qnx)

  3674.         add_cppflags -D_QNX_SOURCE

  3675.         network_extralibs="-lsocket"

  3676.         ;;

  3677.     symbian)

  3678.         SLIBSUF=".dll"

  3679.         enable dos_paths

  3680.         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default

  3681.         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS

  3682.         add_ldflags -Wl,--target1-abs,--no-undefined \

  3683.                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \

  3684.                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup

  3685.         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \

  3686.                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \

  3687.                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib

  3688.         ;;

  3689.     osf1)

  3690.         add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT

  3691.         ;;

  3692.     minix)

  3693.         ;;

  3694.     plan9)

  3695.         add_cppflags -D_C99_SNPRINTF_EXTENSION  \

  3696.                      -D_REENTRANT_SOURCE        \

  3697.                      -D_RESEARCH_SOURCE         \

  3698.                      -DFD_SETSIZE=96            \

  3699.                      -DHAVE_SOCK_OPTS

  3700.         add_compat strtod.o strtod=avpriv_strtod

  3701.         network_extralibs='-lbsd'

  3702.         exeobjs=compat/plan9/main.o

  3703.         disable ffserver

  3704.         cp_f='cp'

  3705.         ;;

  3706.     none)

  3707.         ;;

  3708.     *)

  3709.         die "Unknown OS '$target_os'."

  3710.         ;;

  3711. esac

  3712. 

  3713. # determine libc flavour

  3714. 

  3715. # uclibc defines __GLIBC__, so it needs to be checked before glibc.

  3716. if check_cpp_condition features.h "defined __UCLIBC__"; then

  3717.     libc_type=uclibc

  3718.     add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  3719. elif check_cpp_condition features.h "defined __GLIBC__"; then

  3720.     libc_type=glibc

  3721.     add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  3722. # MinGW headers can be installed on Cygwin, so check for newlib first.

  3723. elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then

  3724.     libc_type=newlib

  3725.     add_cppflags -U__STRICT_ANSI__

  3726. elif check_header _mingw.h; then

  3727.     libc_type=mingw

  3728.     check_cpp_condition _mingw.h \

  3729.         "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \

  3730.             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||

  3731.         die "ERROR: MinGW runtime version must be >= 3.15."

  3732.     add_cppflags -U__STRICT_ANSI__

  3733.     if check_cpp_condition _mingw.h "defined(__MINGW64_VERSION_MAJOR) && \

  3734.             __MINGW64_VERSION_MAJOR < 3"; then

  3735.         add_compat msvcrt/snprintf.o

  3736.         add_cflags "-include $source_path/compat/msvcrt/snprintf.h"

  3737.     else

  3738.         add_cppflags -D__USE_MINGW_ANSI_STDIO=1

  3739.     fi

  3740. elif check_func_headers stdlib.h _get_doserrno; then

  3741.     libc_type=msvcrt

  3742.     add_compat strtod.o strtod=avpriv_strtod

  3743.     add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \

  3744.                                  _snprintf=avpriv_snprintf  \

  3745.                                  vsnprintf=avpriv_vsnprintf

  3746.     # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to

  3747.     # 0x601 by default unless something else is set by the user.

  3748.     # This can easily lead to us detecting functions only present

  3749.     # in such new versions and producing binaries requiring windows 7.0.

  3750.     # Therefore explicitly set the default to XP unless the user has

  3751.     # set something else on the command line.

  3752.     check_cpp_condition stdlib.h "defined(_WIN32_WINNT)" || add_cppflags -D_WIN32_WINNT=0x0502

  3753. elif check_cpp_condition stddef.h "defined __KLIBC__"; then

  3754.     libc_type=klibc

  3755. elif check_cpp_condition sys/cdefs.h "defined __BIONIC__"; then

  3756.     libc_type=bionic

  3757.     add_compat strtod.o strtod=avpriv_strtod

  3758. fi

  3759. 

  3760. test -n "$libc_type" && enable $libc_type

  3761. 

  3762. # hacks for compiler/libc/os combinations

  3763. 

  3764. if enabled_all tms470 glibc; then

  3765.     CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"

  3766.     add_cppflags -D__USER_LABEL_PREFIX__=

  3767.     add_cppflags -D__builtin_memset=memset

  3768.     add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED

  3769.     add_cflags   -pds=48    # incompatible redefinition of macro

  3770. fi

  3771. 

  3772. if enabled_all ccc glibc; then

  3773.     add_ldflags -Wl,-z,now  # calls to libots crash without this

  3774. fi

  3775. 

  3776. esc(){

  3777.     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'

  3778. }

  3779. 

  3780. echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate

  3781. 

  3782. check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic

  3783. 

  3784. set_default $PATHS_LIST

  3785. set_default nm

  3786. 

  3787. # we need to build at least one lib type

  3788. if ! enabled_any static shared; then

  3789.     cat <<EOF

  3790. At least one library type must be built.

  3791. Specify --enable-static to build the static libraries or --enable-shared to

  3792. build the shared libraries as well. To only build the shared libraries specify

  3793. --disable-static in addition to --enable-shared.

  3794. EOF

  3795.     exit 1;

  3796. fi

  3797. 

  3798. # backward compatibility layer for incompatible_libav/fork_abi

  3799. enabled incompatible_fork_abi  && enable incompatible_libav_abi

  3800. enabled incompatible_libav_abi && enable incompatible_fork_abi

  3801. 

  3802. die_license_disabled() {

  3803.     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }

  3804. }

  3805. 

  3806. die_license_disabled_gpl() {

  3807.     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }

  3808. }

  3809. 

  3810. die_license_disabled gpl frei0r

  3811. die_license_disabled gpl libcdio

  3812. die_license_disabled gpl libutvideo

  3813. die_license_disabled gpl libvidstab

  3814. die_license_disabled gpl libx264

  3815. die_license_disabled gpl libxavs

  3816. die_license_disabled gpl libxvid

  3817. die_license_disabled gpl libzvbi

  3818. die_license_disabled gpl x11grab

  3819. 

  3820. die_license_disabled nonfree libaacplus

  3821. die_license_disabled nonfree libfaac

  3822. enabled gpl && die_license_disabled_gpl nonfree libfdk_aac

  3823. enabled gpl && die_license_disabled_gpl nonfree openssl

  3824. 

  3825. die_license_disabled version3 libopencore_amrnb

  3826. die_license_disabled version3 libopencore_amrwb

  3827. die_license_disabled version3 libvo_aacenc

  3828. die_license_disabled version3 libvo_amrwbenc

  3829. 

  3830. enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }

  3831. 

  3832. disabled optimizations || check_cflags -fomit-frame-pointer

  3833. 

  3834. enable_weak_pic() {

  3835.     disabled pic && return

  3836.     enable pic

  3837.     add_cppflags -DPIC

  3838.     case "$target_os" in

  3839.     mingw*|cygwin*)

  3840.         ;;

  3841.     *)

  3842.         add_cflags -fPIC

  3843.         ;;

  3844.     esac

  3845.     add_asflags  -fPIC

  3846. }

  3847. 

  3848. enabled pic && enable_weak_pic

  3849. 

  3850. check_cc <<EOF || die "Symbol mangling check failed."

  3851. int ff_extern;

  3852. EOF

  3853. sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')

  3854. extern_prefix=${sym%%ff_extern*}

  3855. 

  3856. check_cc <<EOF && enable_weak inline_asm

  3857. void foo(void) { __asm__ volatile ("" ::); }

  3858. EOF

  3859. 

  3860. _restrict=

  3861. for restrict_keyword in restrict __restrict__ __restrict; do

  3862.     check_cc <<EOF && _restrict=$restrict_keyword && break

  3863. void foo(char * $restrict_keyword p);

  3864. EOF

  3865. done

  3866. 

  3867. check_cc <<EOF && enable pragma_deprecated

  3868. void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }

  3869. EOF

  3870. 

  3871. check_cc <<EOF && enable attribute_packed

  3872. struct { int x; } __attribute__((packed)) x;

  3873. EOF

  3874. 

  3875. check_cc <<EOF && enable attribute_may_alias

  3876. union { int x; } __attribute__((may_alias)) x;

  3877. EOF

  3878. 

  3879. check_cc <<EOF || die "endian test failed"

  3880. unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';

  3881. EOF

  3882. od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian

  3883. 

  3884. check_inline_asm inline_asm_labels '"1:\n"'

  3885. 

  3886. if enabled alpha; then

  3887. 

  3888.     check_cflags -mieee

  3889. 

  3890. elif enabled arm; then

  3891. 

  3892.     check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb

  3893. float func(float a, float b){ return a+b; }

  3894. EOF

  3895. 

  3896.     enabled thumb && check_cflags -mthumb || check_cflags -marm

  3897.     nogas=die

  3898. 

  3899.     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then

  3900.         enable vfp_args

  3901.     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then

  3902.         case "${cross_prefix:-$cc}" in

  3903.             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;

  3904.             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;

  3905. __asm__ (".eabi_attribute 28, 1");

  3906. int main(void) { return 0; }

  3907. EOF

  3908.         esac

  3909.         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."

  3910.     fi

  3911. 

  3912.     enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'

  3913.     enabled armv6   && check_insn armv6   'sadd16 r0, r0, r0'

  3914.     enabled armv6t2 && check_insn armv6t2 'movt r0, #0'

  3915.     enabled neon    && check_insn neon    'vadd.i16 q0, q0, q0'

  3916.     enabled vfp     && check_insn vfp     'fadds s0, s0, s0'

  3917.     enabled vfpv3   && check_insn vfpv3   'vmov.f32 s0, #1.0'

  3918. 

  3919.     [ $target_os = linux ] ||

  3920.         map 'enabled_any ${v}_external ${v}_inline || disable $v' \

  3921.             $ARCH_EXT_LIST_ARM

  3922. 

  3923.     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'

  3924.     check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'

  3925. 

  3926.     [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic

  3927. 

  3928. elif enabled mips; then

  3929. 

  3930.     check_inline_asm loongson '"dmult.g $1, $2, $3"'

  3931.     enabled mips32r2  && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&

  3932.      check_inline_asm mips32r2  '"rotr $t0, $t1, 1"'

  3933.     enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&

  3934.      check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'

  3935.     enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&

  3936.      check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'

  3937.     enabled mipsfpu   && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&

  3938.      check_inline_asm mipsfpu   '"madd.d $f0, $f2, $f4, $f6"'

  3939. 

  3940. elif enabled parisc; then

  3941. 

  3942.     if enabled gcc; then

  3943.         case $($cc -dumpversion) in

  3944.             4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;

  3945.         esac

  3946.     fi

  3947. 

  3948. elif enabled ppc; then

  3949. 

  3950.     enable local_aligned_8 local_aligned_16

  3951. 

  3952.     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'

  3953.     check_inline_asm ibm_asm   '"add 0, 0, 0"'

  3954.     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'

  3955.     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'

  3956. 

  3957.     # AltiVec flags: The FSF version of GCC differs from the Apple version

  3958.     if enabled altivec; then

  3959.         if ! enabled_any pic ppc64; then

  3960.             nogas=warn

  3961.         fi

  3962.         check_cflags -maltivec -mabi=altivec &&

  3963.         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||

  3964.         check_cflags -faltivec

  3965. 

  3966.         # check if our compiler supports Motorola AltiVec C API

  3967.         check_cc <<EOF || disable altivec

  3968. $inc_altivec_h

  3969. int main(void) {

  3970.     vector signed int v1 = (vector signed int) { 0 };

  3971.     vector signed int v2 = (vector signed int) { 1 };

  3972.     v1 = vec_add(v1, v2);

  3973.     return 0;

  3974. }

  3975. EOF

  3976. 

  3977.         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"

  3978.     fi

  3979. 

  3980. elif enabled sparc; then

  3981. 

  3982.     enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'

  3983. 

  3984. elif enabled x86; then

  3985. 

  3986.     check_builtin rdtsc    intrin.h   "__rdtsc()"

  3987.     check_builtin mm_empty mmintrin.h "_mm_empty()"

  3988. 

  3989.     enable local_aligned_8 local_aligned_16

  3990. 

  3991.     # check whether EBP is available on x86

  3992.     # As 'i' is stored on the stack, this program will crash

  3993.     # if the base pointer is used to access it because the

  3994.     # base pointer is cleared in the inline assembly code.

  3995.     check_exec_crash <<EOF && enable ebp_available

  3996. volatile int i=0;

  3997. __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");

  3998. return i;

  3999. EOF

  4000. 

  4001.     # check whether EBX is available on x86

  4002.     check_inline_asm ebx_available '""::"b"(0)' &&

  4003.         check_inline_asm ebx_available '"":::"%ebx"'

  4004. 

  4005.     # check whether xmm clobbers are supported

  4006.     check_inline_asm xmm_clobbers '"":::"%xmm0"'

  4007. 

  4008.     # check whether binutils is new enough to compile SSSE3/MMXEXT

  4009.     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'

  4010.     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'

  4011. 

  4012.     if ! disabled_any asm mmx yasm; then

  4013.         if check_cmd $yasmexe --version; then

  4014.             enabled x86_64 && yasm_extra="-m amd64"

  4015.             yasm_debug="-g dwarf2"

  4016.         elif check_cmd nasm -v; then

  4017.             yasmexe=nasm

  4018.             yasm_debug="-g -F dwarf"

  4019.             enabled x86_64 && test "$objformat" = elf && objformat=elf64

  4020.         fi

  4021. 

  4022.         YASMFLAGS="-f $objformat $yasm_extra"

  4023.         enabled pic               && append YASMFLAGS "-DPIC"

  4024.         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"

  4025.         case "$objformat" in

  4026.             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;

  4027.         esac

  4028. 

  4029.         check_yasm "movbe ecx, [5]" && enable yasm ||

  4030.             die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."

  4031.         check_yasm "vextractf128 xmm0, ymm0, 0"      || disable avx_external avresample

  4032.         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external

  4033.         check_yasm "CPU amdnop" && enable cpunop

  4034.     fi

  4035. 

  4036.     case "$cpu" in

  4037.         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)

  4038.             disable fast_clz

  4039.         ;;

  4040.     esac

  4041. 

  4042. fi

  4043. 

  4044. if enabled asm; then

  4045.     as=${gas:=$as}

  4046.     check_as <<EOF && enable gnu_as || \

  4047.         $nogas "GNU assembler not found, install gas-preprocessor"

  4048. .macro m n

  4049. \n: .int 0

  4050. .endm

  4051. m x

  4052. EOF

  4053. fi

  4054. 

  4055. check_ldflags -Wl,--as-needed

  4056. 

  4057. if check_func dlopen; then

  4058.     ldl=

  4059. elif check_func dlopen -ldl; then

  4060.     ldl=-ldl

  4061. fi

  4062. 

  4063. if ! disabled network; then

  4064.     check_type "sys/types.h sys/socket.h" socklen_t

  4065.     check_type netdb.h "struct addrinfo"

  4066.     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE

  4067.     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE

  4068.     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE

  4069.     check_type netinet/in.h "struct sockaddr_in6"

  4070.     check_type poll.h "struct pollfd"

  4071.     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"

  4072.     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len

  4073.     check_type netinet/sctp.h "struct sctp_event_subscribe"

  4074.     check_func getaddrinfo $network_extralibs

  4075.     check_func getservbyport $network_extralibs

  4076.     # Prefer arpa/inet.h over winsock2

  4077.     if check_header arpa/inet.h ; then

  4078.         check_func closesocket

  4079.     elif check_header winsock2.h ; then

  4080.         check_func_headers winsock2.h closesocket -lws2 &&

  4081.             network_extralibs="-lws2" ||

  4082.         { check_func_headers winsock2.h closesocket -lws2_32 &&

  4083.             network_extralibs="-lws2_32"; }

  4084.         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs

  4085.         check_type ws2tcpip.h socklen_t

  4086.         check_type ws2tcpip.h "struct addrinfo"

  4087.         check_type ws2tcpip.h "struct group_source_req"

  4088.         check_type ws2tcpip.h "struct ip_mreq_source"

  4089.         check_type ws2tcpip.h "struct ipv6_mreq"

  4090.         check_type winsock2.h "struct pollfd"

  4091.         check_type ws2tcpip.h "struct sockaddr_in6"

  4092.         check_type ws2tcpip.h "struct sockaddr_storage"

  4093.         check_struct winsock2.h "struct sockaddr" sa_len

  4094.     else

  4095.         disable network

  4096.     fi

  4097. fi

  4098. 

  4099. # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that

  4100. check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }

  4101. 

  4102. check_func  access

  4103. check_func  clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }

  4104. check_func  fcntl

  4105. check_func  fork

  4106. check_func_headers stdlib.h getenv

  4107. check_func  gethrtime

  4108. check_func  getopt

  4109. check_func  getrusage

  4110. check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss

  4111. check_func  gettimeofday

  4112. check_func  inet_aton $network_extralibs

  4113. check_func  isatty

  4114. check_func  localtime_r

  4115. check_func  ${malloc_prefix}memalign            && enable memalign

  4116. check_func  mkstemp

  4117. check_func  mmap

  4118. check_func  mprotect

  4119. check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign

  4120. check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc

  4121. check_func  setrlimit

  4122. check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE

  4123. check_func  strerror_r

  4124. check_func  sched_getaffinity

  4125. check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"

  4126. check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"

  4127. check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"

  4128. check_builtin MemoryBarrier windows.h "MemoryBarrier()"

  4129. check_builtin sarestart signal.h "SA_RESTART"

  4130. check_func  sysconf

  4131. check_func  sysctl

  4132. check_func  usleep

  4133. check_func_headers conio.h kbhit

  4134. check_func_headers windows.h PeekNamedPipe

  4135. check_func_headers io.h setmode

  4136. check_func_headers lzo/lzo1x.h lzo1x_999_compress

  4137. check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32

  4138. check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32

  4139. check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi

  4140. check_func_headers windows.h GetProcessAffinityMask

  4141. check_func_headers windows.h GetProcessTimes

  4142. check_func_headers windows.h GetSystemTimeAsFileTime

  4143. check_func_headers windows.h MapViewOfFile

  4144. check_func_headers windows.h SetConsoleTextAttribute

  4145. check_func_headers windows.h Sleep

  4146. check_func_headers windows.h VirtualAlloc

  4147. check_func_headers glob.h glob

  4148. check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext

  4149. 

  4150. check_header cl/cl.h

  4151. check_header direct.h

  4152. check_header dlfcn.h

  4153. check_header dxva.h

  4154. check_header dxva2api.h -D_WIN32_WINNT=0x0600

  4155. check_header io.h

  4156. check_header libcrystalhd/libcrystalhd_if.h

  4157. check_header malloc.h

  4158. check_header poll.h

  4159. check_header sys/mman.h

  4160. check_header sys/param.h

  4161. check_header sys/resource.h

  4162. check_header sys/select.h

  4163. check_header sys/time.h

  4164. check_header sys/un.h

  4165. check_header termios.h

  4166. check_header unistd.h

  4167. check_header vdpau/vdpau.h

  4168. check_header vdpau/vdpau_x11.h

  4169. check_header VideoDecodeAcceleration/VDADecoder.h

  4170. check_header windows.h

  4171. check_header X11/extensions/XvMClib.h

  4172. check_header asm/types.h

  4173. 

  4174. disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib

  4175. disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib

  4176. 

  4177. if ! disabled w32threads && ! enabled pthreads; then

  4178.     check_func_headers "windows.h process.h" _beginthreadex && enable w32threads

  4179. fi

  4180. 

  4181. # check for some common methods of building with pthread support

  4182. # do this before the optional library checks as some of them require pthreads

  4183. if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then

  4184.     enable pthreads

  4185.     if check_func pthread_create; then

  4186.         :

  4187.     elif check_func pthread_create -pthread; then

  4188.         add_cflags -pthread

  4189.         add_extralibs -pthread

  4190.     elif check_func pthread_create -pthreads; then

  4191.         add_cflags -pthreads

  4192.         add_extralibs -pthreads

  4193.     elif check_func pthread_create -lpthreadGC2; then

  4194.         add_extralibs -lpthreadGC2

  4195.     elif ! check_lib pthread.h pthread_create -lpthread; then

  4196.         disable pthreads

  4197.     fi

  4198. fi

  4199. 

  4200. for thread in $THREADS_LIST; do

  4201.     if enabled $thread; then

  4202.         test -n "$thread_type" &&

  4203.             die "ERROR: Only one thread type must be selected." ||

  4204.             thread_type="$thread"

  4205.     fi

  4206. done

  4207. 

  4208. if enabled pthreads; then

  4209.   check_func pthread_cancel

  4210. fi

  4211. 

  4212. enabled sync_val_compare_and_swap && enable atomics_gcc

  4213. enabled_all atomic_cas_ptr machine_rw_barrier && enable atomics_suncc

  4214. enabled MemoryBarrier && enable atomics_win32

  4215. 

  4216. check_lib math.h sin -lm && LIBM="-lm"

  4217. disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd

  4218. 

  4219. atan2f_args=2

  4220. ldexpf_args=2

  4221. powf_args=2

  4222. 

  4223. for func in $MATH_FUNCS; do

  4224.     eval check_mathfunc $func \${${func}_args:-1}

  4225. done

  4226. 

  4227. # these are off by default, so fail if requested and not available

  4228. enabled avisynth          && { { check_lib2 "windows.h" LoadLibrary; } ||

  4229.                                { check_lib2 "dlfcn.h" dlopen -ldl; } ||

  4230.                                die "ERROR: LoadLibrary/dlopen not found for avisynth"; }

  4231. enabled fontconfig        && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit

  4232. enabled frei0r            && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }

  4233. enabled gnutls            && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init

  4234. enabled ladspa            && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }

  4235. enabled libiec61883       && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883

  4236. enabled libaacplus        && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus

  4237. enabled libass            && require_pkg_config libass ass/ass.h ass_library_init

  4238. enabled libbluray         && require libbluray libbluray/bluray.h bd_open -lbluray

  4239. enabled libcelt           && require libcelt celt/celt.h celt_decode -lcelt0 &&

  4240.                              { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||

  4241.                                die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }

  4242. enabled libcaca           && require_pkg_config caca caca.h caca_create_canvas

  4243. enabled libfaac           && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac

  4244. enabled libfdk_aac        && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac

  4245. 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"

  4246. enabled libflite          && require2 libflite "flite/flite.h" flite_init $flite_libs

  4247. enabled libfreetype       && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType

  4248. enabled libgme            && require  libgme gme/gme.h gme_new_emu -lgme -lstdc++

  4249. enabled libgsm            && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do

  4250.                                    check_lib "${gsm_hdr}" gsm_create -lgsm && break;

  4251.                                done || die "ERROR: libgsm not found"; }

  4252. enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc

  4253. enabled libmodplug        && require libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug

  4254. enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame

  4255. enabled libnut            && require libnut libnut.h nut_demuxer_init -lnut

  4256. enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb

  4257. enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb

  4258. enabled libopencv         && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader

  4259. enabled libopenjpeg       && { check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg ||

  4260.                                check_lib openjpeg.h opj_version -lopenjpeg ||

  4261.                                die "ERROR: libopenjpeg not found"; }

  4262. enabled libopus           && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create

  4263. enabled libpulse          && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new

  4264. enabled libquvi           && require_pkg_config libquvi quvi/quvi.h quvi_init

  4265. enabled librtmp           && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket

  4266. enabled libschroedinger   && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init

  4267. enabled libshine          && require_pkg_config shine shine/layer3.h shine_encode_buffer

  4268. enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr

  4269. enabled libssh            && require_pkg_config libssh libssh/sftp.h sftp_init

  4270. enabled libspeex          && require libspeex speex/speex.h speex_decoder_init -lspeex

  4271. enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h

  4272.     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h

  4273.     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static

  4274. enabled libtheora         && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg

  4275. enabled libtwolame        && require libtwolame twolame.h twolame_init -ltwolame &&

  4276.                              { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||

  4277.                                die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }

  4278. enabled libutvideo        && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++

  4279. enabled libv4l2           && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl

  4280. enabled libvidstab        && require_pkg_config vidstab vid.stab/libvidstab.h vsMotionDetectInit

  4281. enabled libvo_aacenc      && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc

  4282. enabled libvo_amrwbenc    && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc

  4283. enabled libvorbis         && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg

  4284. enabled libvpx            && {

  4285.     enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||

  4286.                                     die "ERROR: libvpx decoder version must be >=0.9.1"; }

  4287.     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 ||

  4288.                                     die "ERROR: libvpx encoder version must be >=0.9.7"; }

  4289.     enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }

  4290.     enabled libvpx_vp9_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx" -lvpx || disable libvpx_vp9_encoder; } }

  4291. enabled libwavpack        && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput  -lwavpack

  4292. enabled libx264           && require libx264 x264.h x264_encoder_encode -lx264 &&

  4293.                              { check_cpp_condition x264.h "X264_BUILD >= 118" ||

  4294.                                die "ERROR: libx264 must be installed and version must be >= 0.118."; }

  4295. enabled libxavs           && require libxavs xavs.h xavs_encoder_encode -lxavs

  4296. enabled libxvid           && require libxvid xvid.h xvid_global -lxvidcore

  4297. enabled libzmq            && require_pkg_config libzmq zmq.h zmq_ctx_new

  4298. enabled libzvbi           && require libzvbi libzvbi.h vbi_decoder_new -lzvbi

  4299. enabled openal            && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do

  4300.                                check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||

  4301.                                die "ERROR: openal not found"; } &&

  4302.                              { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||

  4303.                                die "ERROR: openal must be installed and version must be 1.1 or compatible"; }

  4304. enabled opencl            && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||

  4305.                                check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||

  4306.                                die "ERROR: opencl not found"; } &&

  4307.                              { ! enabled_any w32threads os2threads ||

  4308.                                die "opencl currently needs --enable-pthreads or --disable-w32threads"; } &&

  4309.                              { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||

  4310.                                check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||

  4311.                                die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }

  4312. enabled openssl           && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||

  4313.                                check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||

  4314.                                check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||

  4315.                                die "ERROR: openssl not found"; }

  4316. 

  4317. if enabled gnutls; then

  4318.     { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||

  4319.     { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }

  4320. fi

  4321. 

  4322. # libdc1394 check

  4323. if enabled libdc1394; then

  4324.     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&

  4325.         enable libdc1394_2; } ||

  4326.     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&

  4327.         enable libdc1394_1; } ||

  4328.     die "ERROR: No version of libdc1394 found "

  4329. fi

  4330. 

  4331. SDL_CONFIG="${cross_prefix}sdl-config"

  4332. if check_pkg_config sdl SDL_events.h SDL_PollEvent; then

  4333.     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  4334.     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  4335.     enable sdl

  4336. else

  4337.   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then

  4338.     sdl_cflags=$("${SDL_CONFIG}" --cflags)

  4339.     sdl_libs=$("${SDL_CONFIG}" --libs)

  4340.     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&

  4341.     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  4342.     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  4343.     enable sdl

  4344.   fi

  4345. fi

  4346. enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs

  4347. 

  4348. texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html

  4349. makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo

  4350. perl --version > /dev/null 2>&1 && enable perl || disable perl

  4351. pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man

  4352. rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout

  4353. 

  4354. check_header linux/fb.h

  4355. check_header linux/videodev.h

  4356. check_header linux/videodev2.h

  4357. check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  4358. 

  4359. check_header sys/videoio.h

  4360. 

  4361. check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"

  4362. # check that WM_CAP_DRIVER_CONNECT is defined to the proper value

  4363. # w32api 3.12 had it defined wrong

  4364. check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines

  4365. 

  4366. check_type "dshow.h" IBaseFilter

  4367. 

  4368. # check for ioctl_meteor.h, ioctl_bt848.h and alternatives

  4369. { check_header dev/bktr/ioctl_meteor.h &&

  4370.   check_header dev/bktr/ioctl_bt848.h; } ||

  4371. { check_header machine/ioctl_meteor.h &&

  4372.   check_header machine/ioctl_bt848.h; } ||

  4373. { check_header dev/video/meteor/ioctl_meteor.h &&

  4374.   check_header dev/video/bktr/ioctl_bt848.h; } ||

  4375. check_header dev/ic/bt8xx.h

  4376. 

  4377. check_header sndio.h

  4378. if check_struct sys/soundcard.h audio_buf_info bytes; then

  4379.     enable_safe sys/soundcard.h

  4380. else

  4381.     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h

  4382.     #include <sys/soundcard.h>

  4383.     audio_buf_info abc;

  4384. EOF

  4385. fi

  4386. check_header soundcard.h

  4387. 

  4388. enabled_any alsa_indev alsa_outdev &&

  4389.     check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound

  4390. 

  4391. enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&

  4392.     check_func jack_port_get_latency_range -ljack

  4393. 

  4394. enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio

  4395. 

  4396. if enabled libcdio; then

  4397.     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  4398.     check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  4399.     die "ERROR: libcdio-paranoia not found"

  4400. fi

  4401. 

  4402. enabled x11grab                                           &&

  4403. require X11 X11/Xlib.h XOpenDisplay -lX11                 &&

  4404. require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&

  4405. require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes

  4406. 

  4407. enabled vaapi &&

  4408.     check_lib va/va.h vaInitialize -lva ||

  4409.     disable vaapi

  4410. 

  4411. enabled vdpau &&

  4412.     check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||

  4413.     disable vdpau

  4414. 

  4415. # Funny iconv installations are not unusual, so check it after all flags have been set

  4416. disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv

  4417. 

  4418. enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"

  4419. 

  4420. # add some useful compiler flags if supported

  4421. check_cflags -Wdeclaration-after-statement

  4422. check_cflags -Wall

  4423. check_cflags -Wno-parentheses

  4424. check_cflags -Wno-switch

  4425. check_cflags -Wno-format-zero-length

  4426. check_cflags -Wdisabled-optimization

  4427. check_cflags -Wpointer-arith

  4428. check_cflags -Wredundant-decls

  4429. check_cflags -Wno-pointer-sign

  4430. check_cflags -Wwrite-strings

  4431. check_cflags -Wtype-limits

  4432. check_cflags -Wundef

  4433. check_cflags -Wmissing-prototypes

  4434. check_cflags -Wno-pointer-to-int-cast

  4435. check_cflags -Wstrict-prototypes

  4436. enabled extra_warnings && check_cflags -Winline

  4437. 

  4438. # add some linker flags

  4439. check_ldflags -Wl,--warn-common

  4440. check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample

  4441. test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic

  4442. 

  4443. enabled xmm_clobber_test &&

  4444.     check_ldflags -Wl,--wrap,avcodec_open2              \

  4445.                   -Wl,--wrap,avcodec_decode_audio4      \

  4446.                   -Wl,--wrap,avcodec_decode_video2      \

  4447.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  4448.                   -Wl,--wrap,avcodec_encode_audio2      \

  4449.                   -Wl,--wrap,avcodec_encode_video       \

  4450.                   -Wl,--wrap,avcodec_encode_video2      \

  4451.                   -Wl,--wrap,avcodec_encode_subtitle    \

  4452.                   -Wl,--wrap,sws_scale ||

  4453.     disable xmm_clobber_test

  4454. 

  4455. echo "X{};" > $TMPV

  4456. if test_ldflags -Wl,--version-script,$TMPV; then

  4457.     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'

  4458.     check_cc <<EOF && enable symver_asm_label

  4459. void ff_foo(void) __asm__ ("av_foo@VERSION");

  4460. void ff_foo(void) { ${inline_asm+__asm__($quotes);} }

  4461. EOF

  4462.     check_cc <<EOF && enable symver_gnu_asm

  4463. __asm__(".symver ff_foo,av_foo@VERSION");

  4464. void ff_foo(void) {}

  4465. EOF

  4466. fi

  4467. 

  4468. if [ -z "$optflags" ]; then

  4469.     if enabled small; then

  4470.         optflags=$cflags_size

  4471.     elif enabled optimizations; then

  4472.         optflags=$cflags_speed

  4473.     else

  4474.         optflags=$cflags_noopt

  4475.     fi

  4476. fi

  4477. 

  4478. check_optflags(){

  4479.     check_cflags "$@"

  4480.     enabled lto && check_ldflags "$@"

  4481. }

  4482. 

  4483. 

  4484. if enabled lto; then

  4485.     test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"

  4486.     check_cflags  -flto

  4487.     check_ldflags -flto $cpuflags

  4488. fi

  4489. 

  4490. check_optflags $optflags

  4491. check_optflags -fno-math-errno

  4492. check_optflags -fno-signed-zeros

  4493. 

  4494. enabled ftrapv && check_cflags -ftrapv

  4495. 

  4496. check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"

  4497. int x;

  4498. EOF

  4499. 

  4500. 

  4501. if enabled icc; then

  4502.     # Just warnings, no remarks

  4503.     check_cflags -w1

  4504.     # -wd: Disable following warnings

  4505.     # 144, 167, 556: -Wno-pointer-sign

  4506.     # 188: enumerated type mixed with another type

  4507.     # 1292: attribute "foo" ignored

  4508.     # 1419: external declaration in primary source file

  4509.     # 10006: ignoring unknown option -fno-signed-zeros

  4510.     # 10148: ignoring unknown option -Wno-parentheses

  4511.     # 10156: ignoring option '-W'; no argument required

  4512.     check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156

  4513.     # 11030: Warning unknown option --as-needed

  4514.     # 10156: ignoring option '-export'; no argument required

  4515.     check_ldflags -wd10156,11030

  4516.     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test

  4517.     enable ebp_available

  4518.     if enabled x86_32; then

  4519.         icc_version=$($cc -dumpversion)

  4520.         test ${icc_version%%.*} -ge 11 &&

  4521.             check_cflags -falign-stack=maintain-16-byte ||

  4522.             disable aligned_stack

  4523.     fi

  4524. elif enabled ccc; then

  4525.     # disable some annoying warnings

  4526.     add_cflags -msg_disable bitnotint

  4527.     add_cflags -msg_disable mixfuncvoid

  4528.     add_cflags -msg_disable nonstandcast

  4529.     add_cflags -msg_disable unsupieee

  4530. elif enabled gcc; then

  4531.     check_optflags -fno-tree-vectorize

  4532.     check_cflags -Werror=implicit-function-declaration

  4533.     check_cflags -Werror=missing-prototypes

  4534.     check_cflags -Werror=return-type

  4535.     check_cflags -Werror=vla

  4536.     enabled extra_warnings || check_cflags -Wno-maybe-uninitialized

  4537. elif enabled llvm_gcc; then

  4538.     check_cflags -mllvm -stack-alignment=16

  4539. elif enabled clang; then

  4540.     check_cflags -mllvm -stack-alignment=16

  4541.     check_cflags -Qunused-arguments

  4542.     check_cflags -Werror=implicit-function-declaration

  4543.     check_cflags -Werror=missing-prototypes

  4544.     check_cflags -Werror=return-type

  4545. elif enabled cparser; then

  4546.     add_cflags -Wno-missing-variable-declarations

  4547.     add_cflags -Wno-empty-statement

  4548. elif enabled armcc; then

  4549.     # 2523: use of inline assembler is deprecated

  4550.     add_cflags -W${armcc_opt},--diag_suppress=2523

  4551.     add_cflags -W${armcc_opt},--diag_suppress=1207

  4552.     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition

  4553.     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat

  4554.     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign

  4555.     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign

  4556. elif enabled tms470; then

  4557.     add_cflags -pds=824 -pds=837

  4558. elif enabled pathscale; then

  4559.     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF

  4560. elif enabled_any msvc icl; then

  4561.     enabled x86_32 && disable aligned_stack

  4562.     enabled_all x86_32 debug && add_cflags -Oy-

  4563.     enabled debug && add_ldflags -debug

  4564.     enable pragma_deprecated

  4565.     if enabled icl; then

  4566.         # -Qansi-alias is basically -fstrict-aliasing, but does not work

  4567.         # (correctly) on icl 13.x.

  4568.         check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&

  4569.             add_cflags -Qansi-alias

  4570.         # icl will pass the inline asm tests but inline asm is currently

  4571.         # not supported (build will fail)

  4572.         disabled inline_asm || warn "inline asm disabled due to issues with it in ICL"

  4573.         disable inline_asm

  4574.     fi

  4575. fi

  4576. 

  4577. case $target_os in

  4578.     osf1)

  4579.         enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'

  4580.     ;;

  4581.     plan9)

  4582.         add_cppflags -Dmain=plan9_main

  4583.     ;;

  4584. esac

  4585. 

  4586. enable frame_thread_encoder

  4587. enabled_any $THREADS_LIST      && enable threads

  4588. enabled_any $ATOMICS_LIST      && enable atomics_native

  4589. 

  4590. 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"

  4591. 

  4592. enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }

  4593. 

  4594. check_deps $CONFIG_LIST       \

  4595.            $CONFIG_EXTRA      \

  4596.            $HAVE_LIST         \

  4597.            $ALL_COMPONENTS    \

  4598. 

  4599. 

  4600. if test $target_os = "haiku"; then

  4601.     disable memalign

  4602.     disable posix_memalign

  4603. fi

  4604. 

  4605. ! enabled_any memalign posix_memalign aligned_malloc &&

  4606.     enabled_any $need_memalign && enable memalign_hack

  4607. 

  4608. # add_dep lib dep

  4609. # -> enable ${lib}_deps_${dep}

  4610. # -> add $dep to ${lib}_deps only once

  4611. add_dep() {

  4612.     lib=$1

  4613.     dep=$2

  4614.     enabled "${lib}_deps_${dep}" && return 0

  4615.     enable  "${lib}_deps_${dep}"

  4616.     prepend "${lib}_deps" $dep

  4617. }

  4618. 

  4619. # merge deps lib components

  4620. # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*

  4621. merge_deps() {

  4622.     lib=$1

  4623.     shift

  4624.     for comp in $*; do

  4625.         enabled $comp || continue

  4626.         eval "dep=\"\$${comp}_deps\""

  4627.         for d in $dep; do

  4628.             add_dep $lib $d

  4629.         done

  4630.     done

  4631. }

  4632. 

  4633. merge_deps libavfilter $FILTER_LIST

  4634. 

  4635. echo "install prefix            $prefix"

  4636. echo "source path               $source_path"

  4637. echo "C compiler                $cc"

  4638. echo "ARCH                      $arch ($cpu)"

  4639. if test "$build_suffix" != ""; then

  4640.     echo "build suffix              $build_suffix"

  4641. fi

  4642. if test "$progs_suffix" != ""; then

  4643.     echo "progs suffix              $progs_suffix"

  4644. fi

  4645. if test "$extra_version" != ""; then

  4646.     echo "version string suffix     $extra_version"

  4647. fi

  4648. echo "big-endian                ${bigendian-no}"

  4649. echo "runtime cpu detection     ${runtime_cpudetect-no}"

  4650. if enabled x86; then

  4651.     echo "${yasmexe}                      ${yasm-no}"

  4652.     echo "MMX enabled               ${mmx-no}"

  4653.     echo "MMXEXT enabled            ${mmxext-no}"

  4654.     echo "3DNow! enabled            ${amd3dnow-no}"

  4655.     echo "3DNow! extended enabled   ${amd3dnowext-no}"

  4656.     echo "SSE enabled               ${sse-no}"

  4657.     echo "SSSE3 enabled             ${ssse3-no}"

  4658.     echo "AVX enabled               ${avx-no}"

  4659.     echo "FMA4 enabled              ${fma4-no}"

  4660.     echo "i686 features enabled     ${i686-no}"

  4661.     echo "CMOV is fast              ${fast_cmov-no}"

  4662.     echo "EBX available             ${ebx_available-no}"

  4663.     echo "EBP available             ${ebp_available-no}"

  4664. fi

  4665. if enabled arm; then

  4666.     echo "ARMv5TE enabled           ${armv5te-no}"

  4667.     echo "ARMv6 enabled             ${armv6-no}"

  4668.     echo "ARMv6T2 enabled           ${armv6t2-no}"

  4669.     echo "VFP enabled               ${vfp-no}"

  4670.     echo "NEON enabled              ${neon-no}"

  4671.     echo "THUMB enabled             ${thumb-no}"

  4672. fi

  4673. if enabled mips; then

  4674.     echo "MIPS FPU enabled          ${mipsfpu-no}"

  4675.     echo "MIPS32R2 enabled          ${mips32r2-no}"

  4676.     echo "MIPS DSP R1 enabled       ${mipsdspr1-no}"

  4677.     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"

  4678. fi

  4679. if enabled ppc; then

  4680.     echo "AltiVec enabled           ${altivec-no}"

  4681.     echo "PPC 4xx optimizations     ${ppc4xx-no}"

  4682.     echo "dcbzl available           ${dcbzl-no}"

  4683. fi

  4684. if enabled sparc; then

  4685.     echo "VIS enabled               ${vis-no}"

  4686. fi

  4687. echo "debug symbols             ${debug-no}"

  4688. echo "strip symbols             ${stripping-no}"

  4689. echo "optimize for size         ${small-no}"

  4690. echo "optimizations             ${optimizations-no}"

  4691. echo "static                    ${static-no}"

  4692. echo "shared                    ${shared-no}"

  4693. echo "postprocessing support    ${postproc-no}"

  4694. echo "new filter support        ${avfilter-no}"

  4695. echo "network support           ${network-no}"

  4696. echo "threading support         ${thread_type-no}"

  4697. echo "safe bitstream reader     ${safe_bitstream_reader-no}"

  4698. echo "SDL support               ${sdl-no}"

  4699. echo "opencl enabled            ${opencl-no}"

  4700. echo "libzvbi enabled           ${libzvbi-no}"

  4701. echo "texi2html enabled         ${texi2html-no}"

  4702. echo "perl enabled              ${perl-no}"

  4703. echo "pod2man enabled           ${pod2man-no}"

  4704. echo "makeinfo enabled          ${makeinfo-no}"

  4705. test -n "$random_seed" &&

  4706.     echo "random seed               ${random_seed}"

  4707. echo

  4708. 

  4709. echo "External libraries:"

  4710. print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns

  4711. echo

  4712. 

  4713. for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do

  4714.     echo "Enabled ${type}s:"

  4715.     eval list=\$$(toupper $type)_LIST

  4716.     print_enabled '_*' $list | print_3_columns

  4717.     echo

  4718. done

  4719. 

  4720. license="LGPL version 2.1 or later"

  4721. if enabled nonfree; then

  4722.     license="nonfree and unredistributable"

  4723. elif enabled gplv3; then

  4724.     license="GPL version 3 or later"

  4725. elif enabled lgplv3; then

  4726.     license="LGPL version 3 or later"

  4727. elif enabled gpl; then

  4728.     license="GPL version 2 or later"

  4729. fi

  4730. 

  4731. echo "License: $license"

  4732. 

  4733. echo "Creating config.mak, config.h, and doc/config.texi..."

  4734. 

  4735. test -e Makefile || $ln_s "$source_path/Makefile" .

  4736. 

  4737. enabled stripping || strip="echo skipping strip"

  4738. 

  4739. config_files="$TMPH config.mak doc/config.texi"

  4740. 

  4741. cat > config.mak <<EOF

  4742. # Automatically generated by configure - do not modify!

  4743. ifndef FFMPEG_CONFIG_MAK

  4744. FFMPEG_CONFIG_MAK=1

  4745. FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION

  4746. prefix=$prefix

  4747. LIBDIR=\$(DESTDIR)$libdir

  4748. SHLIBDIR=\$(DESTDIR)$shlibdir

  4749. INCDIR=\$(DESTDIR)$incdir

  4750. BINDIR=\$(DESTDIR)$bindir

  4751. DATADIR=\$(DESTDIR)$datadir

  4752. DOCDIR=\$(DESTDIR)$docdir

  4753. MANDIR=\$(DESTDIR)$mandir

  4754. SRC_PATH=$source_path

  4755. ifndef MAIN_MAKEFILE

  4756. SRC_PATH:=\$(SRC_PATH:.%=..%)

  4757. endif

  4758. CC_IDENT=$cc_ident

  4759. ARCH=$arch

  4760. CC=$cc

  4761. CXX=$cxx

  4762. AS=$as

  4763. LD=$ld

  4764. DEPCC=$dep_cc

  4765. DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)

  4766. DEPAS=$as

  4767. DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)

  4768. YASM=$yasmexe

  4769. DEPYASM=$yasmexe

  4770. AR=$ar

  4771. ARFLAGS=$arflags

  4772. AR_O=$ar_o

  4773. RANLIB=$ranlib

  4774. STRIP=$strip

  4775. CP=cp -p

  4776. LN_S=$ln_s

  4777. CPPFLAGS=$CPPFLAGS

  4778. CFLAGS=$CFLAGS

  4779. CXXFLAGS=$CXXFLAGS

  4780. ASFLAGS=$ASFLAGS

  4781. AS_C=$AS_C

  4782. AS_O=$AS_O

  4783. CC_C=$CC_C

  4784. CC_E=$CC_E

  4785. CC_O=$CC_O

  4786. CXX_C=$CXX_C

  4787. CXX_O=$CXX_O

  4788. LD_O=$LD_O

  4789. LD_LIB=$LD_LIB

  4790. LD_PATH=$LD_PATH

  4791. DLLTOOL=$dlltool

  4792. LDFLAGS=$LDFLAGS

  4793. SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))

  4794. YASMFLAGS=$YASMFLAGS

  4795. BUILDSUF=$build_suffix

  4796. PROGSSUF=$progs_suffix

  4797. FULLNAME=$FULLNAME

  4798. LIBPREF=$LIBPREF

  4799. LIBSUF=$LIBSUF

  4800. LIBNAME=$LIBNAME

  4801. SLIBPREF=$SLIBPREF

  4802. SLIBSUF=$SLIBSUF

  4803. EXESUF=$EXESUF

  4804. EXTRA_VERSION=$extra_version

  4805. CCDEP=$CCDEP

  4806. CXXDEP=$CXXDEP

  4807. CCDEP_FLAGS=$CCDEP_FLAGS

  4808. ASDEP=$ASDEP

  4809. ASDEP_FLAGS=$ASDEP_FLAGS

  4810. CC_DEPFLAGS=$CC_DEPFLAGS

  4811. AS_DEPFLAGS=$AS_DEPFLAGS

  4812. HOSTCC=$host_cc

  4813. HOSTLD=$host_ld

  4814. HOSTCFLAGS=$host_cflags

  4815. HOSTCPPFLAGS=$host_cppflags

  4816. HOSTEXESUF=$HOSTEXESUF

  4817. HOSTLDFLAGS=$host_ldflags

  4818. HOSTLIBS=$host_libs

  4819. DEPHOSTCC=$host_cc

  4820. DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)

  4821. HOSTCCDEP=$HOSTCCDEP

  4822. HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS

  4823. HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS

  4824. HOSTCC_C=$HOSTCC_C

  4825. HOSTCC_O=$HOSTCC_O

  4826. HOSTLD_O=$HOSTLD_O

  4827. TARGET_EXEC=$target_exec $target_exec_args

  4828. TARGET_PATH=$target_path

  4829. TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}

  4830. LIBS-ffplay=$sdl_libs

  4831. CFLAGS-ffplay=$sdl_cflags

  4832. ZLIB=$($ldflags_filter -lz)

  4833. LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD

  4834. EXTRALIBS=$extralibs

  4835. COMPAT_OBJS=$compat_objs

  4836. EXEOBJS=$exeobjs

  4837. INSTALL=$install

  4838. LIBTARGET=${LIBTARGET}

  4839. SLIBNAME=${SLIBNAME}

  4840. SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}

  4841. SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}

  4842. SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}

  4843. SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}

  4844. SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}

  4845. SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}

  4846. SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}

  4847. SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}

  4848. SAMPLES:=${samples:-\$(FATE_SAMPLES)}

  4849. NOREDZONE_FLAGS=$noredzone_flags

  4850. EOF

  4851. 

  4852. get_version(){

  4853.     lcname=lib${1}

  4854.     name=$(toupper $lcname)

  4855.     file=$source_path/$lcname/version.h

  4856.     eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")

  4857.     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO

  4858.     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak

  4859.     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak

  4860.     eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak

  4861. }

  4862. 

  4863. map 'get_version $v' $LIBRARY_LIST

  4864. 

  4865. cat > $TMPH <<EOF

  4866. /* Automatically generated by configure - do not modify! */

  4867. #ifndef FFMPEG_CONFIG_H

  4868. #define FFMPEG_CONFIG_H

  4869. #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"

  4870. #define FFMPEG_LICENSE "$(c_escape $license)"

  4871. #define FFMPEG_DATADIR "$(eval c_escape $datadir)"

  4872. #define AVCONV_DATADIR "$(eval c_escape $datadir)"

  4873. #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"

  4874. #define av_restrict $_restrict

  4875. #define EXTERN_PREFIX "${extern_prefix}"

  4876. #define EXTERN_ASM ${extern_prefix}

  4877. #define SLIBSUF "$SLIBSUF"

  4878. #define HAVE_MMX2 HAVE_MMXEXT

  4879. EOF

  4880. 

  4881. test -n "$assert_level" &&

  4882.     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH

  4883. 

  4884. test -n "$malloc_prefix" &&

  4885.     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH

  4886. 

  4887. if enabled yasm; then

  4888.     append config_files $TMPASM

  4889.     printf '' >$TMPASM

  4890. fi

  4891. 

  4892. enabled getenv || echo "#define getenv(x) NULL" >> $TMPH

  4893. 

  4894. 

  4895. mkdir -p doc

  4896. echo "@c auto-generated by configure" > doc/config.texi

  4897. 

  4898. print_config ARCH_   "$config_files" $ARCH_LIST

  4899. print_config HAVE_   "$config_files" $HAVE_LIST

  4900. print_config CONFIG_ "$config_files" $CONFIG_LIST       \

  4901.                                      $CONFIG_EXTRA      \

  4902.                                      $ALL_COMPONENTS    \

  4903. 

  4904. echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH

  4905. echo "endif # FFMPEG_CONFIG_MAK" >> config.mak

  4906. 

  4907. # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.

  4908. cp_if_changed $TMPH config.h

  4909. touch .config

  4910. 

  4911. enabled yasm && cp_if_changed $TMPASM config.asm

  4912. 

  4913. cat > $TMPH <<EOF

  4914. /* Generated by ffconf */

  4915. #ifndef AVUTIL_AVCONFIG_H

  4916. #define AVUTIL_AVCONFIG_H

  4917. EOF

  4918. 

  4919. print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB

  4920. 

  4921. echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH

  4922. 

  4923. cp_if_changed $TMPH libavutil/avconfig.h

  4924. 

  4925. if test -n "$WARNINGS"; then

  4926.     printf "\n$WARNINGS"

  4927.     enabled fatal_warnings && exit 1

  4928. fi

  4929. 

  4930. # build pkg-config files

  4931. 

  4932. pkgconfig_generate(){

  4933.     name=$1

  4934.     shortname=${name#lib}${build_suffix}

  4935.     comment=$2

  4936.     version=$3

  4937.     libs=$4

  4938.     requires=$5

  4939.     enabled ${name#lib} || return 0

  4940.     mkdir -p $name

  4941.     cat <<EOF > $name/$name${build_suffix}.pc

  4942. prefix=$prefix

  4943. exec_prefix=\${prefix}

  4944. libdir=$libdir

  4945. includedir=$incdir

  4946. 

  4947. Name: $name

  4948. Description: $comment

  4949. Version: $version

  4950. Requires: $(enabled shared || echo $requires)

  4951. Requires.private: $(enabled shared && echo $requires)

  4952. Conflicts:

  4953. Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)

  4954. Libs.private: $(enabled shared && echo $libs)

  4955. Cflags: -I\${includedir}

  4956. EOF

  4957. 

  4958. mkdir -p doc/examples/pc-uninstalled

  4959. includedir=${source_path}

  4960. [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."

  4961.     cat <<EOF > doc/examples/pc-uninstalled/$name.pc

  4962. prefix=

  4963. exec_prefix=

  4964. libdir=\${pcfiledir}/../../../$name

  4965. includedir=${includedir}

  4966. 

  4967. Name: $name

  4968. Description: $comment

  4969. Version: $version

  4970. Requires: $requires

  4971. Conflicts:

  4972. Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)

  4973. Cflags: -I\${includedir}

  4974. EOF

  4975. }

  4976. 

  4977. lavfi_libs="libavutil${build_suffix} = $LIBAVUTIL_VERSION"

  4978. enabled libavfilter_deps_avcodec    && prepend lavfi_libs "libavcodec${build_suffix} = $LIBAVCODEC_VERSION,"

  4979. enabled libavfilter_deps_avformat   && prepend lavfi_libs "libavformat${build_suffix} = $LIBAVFORMAT_VERSION,"

  4980. enabled libavfilter_deps_avresample && prepend lavfi_libs "libavresample${build_suffix} = $LIBAVRESAMPLE_VERSION,"

  4981. enabled libavfilter_deps_swscale    && prepend lavfi_libs "libswscale${build_suffix} = $LIBSWSCALE_VERSION,"

  4982. enabled libavfilter_deps_swresample && prepend lavfi_libs "libswresample${build_suffix} = $LIBSWRESAMPLE_VERSION,"

  4983. enabled libavfilter_deps_postproc   && prepend lavfi_libs "libpostproc${build_suffix} = $LIBPOSTPROC_VERSION,"

  4984. lavfi_libs=${lavfi_libs%, }

  4985. 

  4986. lavd_libs="libavformat${build_suffix} = $LIBAVFORMAT_VERSION"

  4987. enabled lavfi_indev && prepend lavd_libs "libavfilter${build_suffix} = $LIBAVFILTER_VERSION,"

  4988. 

  4989. pkgconfig_generate libavutil     "FFmpeg utility library"               "$LIBAVUTIL_VERSION"     "$LIBM"

  4990. pkgconfig_generate libavcodec    "FFmpeg codec library"                 "$LIBAVCODEC_VERSION"    "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"

  4991. pkgconfig_generate libavformat   "FFmpeg container format library"      "$LIBAVFORMAT_VERSION"   "$extralibs" "libavcodec${build_suffix} = $LIBAVCODEC_VERSION"

  4992. pkgconfig_generate libavdevice   "FFmpeg device handling library"       "$LIBAVDEVICE_VERSION"   "$extralibs" "$lavd_libs"

  4993. pkgconfig_generate libavfilter   "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION"   "$extralibs" "$lavfi_libs"

  4994. pkgconfig_generate libpostproc   "FFmpeg postprocessing library"        "$LIBPOSTPROC_VERSION"   ""           "libavutil${build_suffix} = $LIBAVUTIL_VERSION"

  4995. pkgconfig_generate libavresample "Libav audio resampling library"       "$LIBAVRESAMPLE_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"

  4996. pkgconfig_generate libswscale    "FFmpeg image rescaling library"       "$LIBSWSCALE_VERSION"    "$LIBM"      "libavutil${build_suffix} = $LIBAVUTIL_VERSION"

  4997. pkgconfig_generate libswresample "FFmpeg audio resampling library"      "$LIBSWRESAMPLE_VERSION" "$LIBM"      "libavutil${build_suffix} = $LIBAVUTIL_VERSION"

  4998. 

  4999. fix_ffmpeg_remote(){

  5000.     git_remote_from=$1

  5001.     git_remote_to=$2

  5002.     fixme_remote=$(git --git-dir=$source_path/.git --work-tree=$source_path remote -v | grep $git_remote_from | cut -f 1 | sort | uniq)

  5003.     if [ "$fixme_remote" != "" ]; then

  5004.         echolog "

  5005. Outdated domain in git config, the official domain for ffmpeg git is since

  5006. November 2011, source.ffmpeg.org, both the old and the new point to the same

  5007. repository and server. To update it enter the following commands:

  5008. "

  5009.         for remote in $fixme_remote; do

  5010.             echolog "git remote set-url $remote $git_remote_to"

  5011.         done

  5012.     fi

  5013. }

  5014. 

  5015. if test -f "$source_path/.git/config"; then

  5016.     remote_from=git.videolan.org

  5017.     remote_to=source.ffmpeg.org

  5018.     fix_ffmpeg_remote git@$remote_from:ffmpeg   git@$remote_to:ffmpeg

  5019.     fix_ffmpeg_remote git://$remote_from/ffmpeg git://$remote_to/ffmpeg

  5020. fi