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FFmpeg
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  1. #!/bin/sh

  2. #

  3. # FFmpeg configure script

  4. #

  5. # Copyright (c) 2000, 2001, 2002 Fabrice Bellard

  6. # Copyright (c) 2005-2006 Diego Biurrun

  7. # Copyright (c) 2005-2006 Mans Rullgard

  8. #

  9. 

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

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

  12. 

  13. try_exec(){

  14.     echo "Trying shell $1"

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

  16. }

  17. 

  18. unset foo

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

  20. E1="$?"

  21. 

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

  23. E2="$?"

  24. 

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

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

  27.     export FF_CONF_EXEC

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

  29.         FF_CONF_EXEC=1

  30.         try_exec bash "$0" "$@"

  31.     fi

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

  33.         FF_CONF_EXEC=2

  34.         try_exec ksh "$0" "$@"

  35.     fi

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

  37.         FF_CONF_EXEC=3

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

  39.     fi

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

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

  42.     echo "such as bash or ksh."

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

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

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

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

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

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

  49.     fi

  50.     exit 1

  51. fi

  52. 

  53. show_help(){

  54.   echo "Usage: configure [options]"

  55.   echo "Options: [defaults in brackets after descriptions]"

  56.   echo

  57.   echo "Standard options:"

  58.   echo "  --help                   print this message"

  59.   echo "  --log[=FILE|yes|no]      log tests and output to FILE [config.err]"

  60.   echo "  --prefix=PREFIX          install in PREFIX [$PREFIX]"

  61.   echo "  --libdir=DIR             install libs in DIR [PREFIX/lib]"

  62.   echo "  --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]"

  63.   echo "  --incdir=DIR             install includes in DIR [PREFIX/include/ffmpeg]"

  64.   echo "  --mandir=DIR             install man page in DIR [PREFIX/man]"

  65.   echo "  --enable-mp3lame         enable MP3 encoding via libmp3lame [default=no]"

  66.   echo "  --enable-libnut          enable NUT support via libnut [default=no]"

  67.   echo "  --enable-libogg          enable Ogg support via libogg [default=no]"

  68.   echo "  --enable-vorbis          enable Vorbis support via libvorbis [default=no]"

  69.   echo "  --enable-faad            enable FAAD support via libfaad [default=no]"

  70.   echo "  --enable-faadbin         build FAAD support with runtime linking [default=no]"

  71.   echo "  --enable-faac            enable FAAC support via libfaac [default=no]"

  72.   echo "  --enable-libgsm          enable GSM support via libgsm [default=no]"

  73.   echo "  --enable-xvid            enable XviD support via xvidcore [default=no]"

  74.   echo "  --enable-x264            enable H.264 encoding via x264 [default=no]"

  75.   echo "  --enable-mingw32         enable MinGW native/cross Windows compile"

  76.   echo "  --enable-mingwce         enable MinGW native/cross WinCE compile"

  77.   echo "  --enable-a52             enable GPLed A52 support [default=no]"

  78.   echo "  --enable-a52bin          open liba52.so.0 at runtime [default=no]"

  79.   echo "  --enable-dts             enable GPLed DTS support [default=no]"

  80.   echo "  --enable-pp              enable GPLed postprocessing support [default=no]"

  81.   echo "  --enable-static          build static libraries [default=yes]"

  82.   echo "  --disable-static         do not build static libraries [default=no]"

  83.   echo "  --enable-shared          build shared libraries [default=no]"

  84.   echo "  --disable-shared         do not build shared libraries [default=yes]"

  85.   echo "  --enable-amr_nb          enable amr_nb float audio codec"

  86.   echo "  --enable-amr_nb-fixed    use fixed point for amr-nb codec"

  87.   echo "  --enable-amr_wb          enable amr_wb float audio codec"

  88.   echo "  --enable-amr_if2         enable amr_wb IF2 audio codec"

  89.   echo "  --enable-sunmlib         use Sun medialib [default=no]"

  90.   echo "  --enable-pthreads        use pthreads [default=no]"

  91.   echo "  --enable-dc1394          enable IIDC-1394 grabbing using libdc1394"

  92.   echo "                           and libraw1394 [default=no]"

  93.   echo "  --enable-swscaler        software scaler support [default=no]"

  94.   echo "  --enable-avisynth        allow reading AVISynth script files [default=no]"

  95.   echo "  --enable-gpl             allow use of GPL code, the resulting libav*"

  96.   echo "                           and ffmpeg will be under GPL [default=no]"

  97.   echo ""

  98.   echo "Advanced options (experts only):"

  99.   echo "  --source-path=PATH       path to source code [$source_path]"

  100.   echo "  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]"

  101.   echo "  --cross-compile          assume a cross-compiler is used"

  102.   echo "  --cc=CC                  use C compiler CC [$cc]"

  103.   echo "  --make=MAKE              use specified make [$make]"

  104.   echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"

  105.   echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"

  106.   echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"

  107.   echo "  --build-suffix=SUFFIX    suffix for application specific build []"

  108.   echo "  --arch=ARCH              select architecture  [$arch]"

  109.   echo "  --cpu=CPU                selects the minimum cpu required (affects

  110.                                    instruction selection, may crash on older CPUs)"

  111.   echo "  --powerpc-perf-enable    enable performance report on PPC"

  112.   echo "                           (requires enabling PMC)"

  113.   echo "  --disable-mmx            disable MMX usage"

  114.   echo "  --disable-armv5te        disable armv5te usage"

  115.   echo "  --disable-iwmmxt         disable iwmmxt usage"

  116.   echo "  --disable-altivec        disable AltiVec usage"

  117.   echo "  --disable-audio-oss      disable OSS audio support [default=no]"

  118.   echo "  --disable-audio-beos     disable BeOS audio support [default=no]"

  119.   echo "  --disable-v4l            disable video4linux grabbing [default=no]"

  120.   echo "  --disable-v4l2           disable video4linux2 grabbing [default=no]"

  121.   echo "  --disable-bktr           disable bktr video grabbing [default=no]"

  122.   echo "  --disable-dv1394         disable DV1394 grabbing [default=no]"

  123.   echo "  --disable-network        disable network support [default=no]"

  124.   echo "  --disable-ipv6           disable ipv6 support [default=no]"

  125.   echo "  --disable-zlib           disable zlib [default=no]"

  126.   echo "  --disable-vhook          disable video hooking support"

  127.   echo "  --enable-gprof           enable profiling with gprof [$gprof]"

  128.   echo "  --disable-debug          disable debugging symbols"

  129.   echo "  --disable-opts           disable compiler optimizations"

  130.   echo "  --enable-extra-warnings  enable more compiler warnings"

  131.   echo "  --disable-mpegaudio-hp   faster (but less accurate)"

  132.   echo "                           MPEG audio decoding [default=no]"

  133.   echo "  --disable-protocols      disable I/O protocols support [default=no]"

  134.   echo "  --disable-ffmpeg         disable ffmpeg build"

  135.   echo "  --disable-ffserver       disable ffserver build"

  136.   echo "  --disable-ffplay         disable ffplay build"

  137.   echo "  --enable-small           optimize for size instead of speed"

  138.   echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"

  139.   echo "  --disable-strip          disable stripping of executables and shared libraries"

  140.   echo "  --disable-encoder=NAME   disables encoder NAME"

  141.   echo "  --enable-encoder=NAME    enables encoder NAME"

  142.   echo "  --disable-decoder=NAME   disables decoder NAME"

  143.   echo "  --enable-decoder=NAME    enables decoder NAME"

  144.   echo "  --disable-encoders       disables all encoders"

  145.   echo "  --disable-decoders       disables all decoders"

  146.   echo "  --disable-muxer=NAME     disables muxer NAME"

  147.   echo "  --enable-muxer=NAME      enables muxer NAME"

  148.   echo "  --disable-muxers         disables all muxers"

  149.   echo "  --disable-demuxer=NAME   disables demuxer NAME"

  150.   echo "  --enable-demuxer=NAME    enables demuxer NAME"

  151.   echo "  --disable-demuxers       disables all demuxers"

  152.   echo "  --enable-parser=NAME     enables parser NAME"

  153.   echo "  --disable-parser=NAME    disables parser NAME"

  154.   echo "  --disable-parsers        disables all parsers"

  155.   echo ""

  156.   echo "NOTE: Object files are built at the place where configure is launched."

  157.   exit 1

  158. }

  159. 

  160. log(){

  161.     echo "$@" >>$logfile

  162. }

  163. 

  164. log_file(){

  165.     log BEGIN $1

  166.     cat -n $1 >>$logfile

  167.     log END $1

  168. }

  169. 

  170. echolog(){

  171.     log "$@"

  172.     echo "$@"

  173. }

  174. 

  175. die(){

  176.     echolog "$@"

  177.     cat <<EOF

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

  179. version from SVN.  If the latest version fails, report the problem to the

  180. ffmpeg-devel@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.

  181. EOF

  182.     if enabled logging; then

  183.         cat <<EOF

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

  185. solving the problem.

  186. EOF

  187.     else

  188. cat <<EOF

  189. Rerun configure with logging enabled (do not use --log=no), and include the

  190. log this produces with your report.

  191. EOF

  192.     fi

  193.     rm -f $TMPC $TMPO $TMPE $TMPS $TMPH

  194.     exit 1

  195. }

  196. 

  197. # "tr '[a-z]' '[A-Z]'" is a workaround for Solaris tr not grokking "tr a-z A-Z"

  198. toupper(){

  199.     echo "$@" | tr '[a-z]' '[A-Z]'

  200. }

  201. 

  202. set_all(){

  203.     value=$1

  204.     shift

  205.     for var in $*; do

  206.         eval $var=$value

  207.     done

  208. }

  209. 

  210. enable(){

  211.     set_all yes $*

  212. }

  213. 

  214. disable(){

  215.     set_all no $*

  216. }

  217. 

  218. enabled(){

  219.     eval test "x\$$1" = "xyes"

  220. }

  221. 

  222. enabled_all(){

  223.     for opt; do

  224.         enabled $opt || return 1

  225.     done

  226. }

  227. 

  228. enabled_any(){

  229.     for opt; do

  230.         enabled $opt && return 0

  231.     done

  232. }

  233. 

  234. print_config(){

  235.     pfx=$1

  236.     header=$2

  237.     makefile=$3

  238.     shift 3

  239.     for cfg; do

  240.         if enabled $cfg; then

  241.             ucname="${pfx}`toupper $cfg`"

  242.             echo "#define ${ucname} 1" >> $header

  243.             echo "${ucname}=yes" >> $makefile

  244.         fi

  245.     done

  246. }

  247. 

  248. flags_saved(){

  249.     (: ${SAVE_CFLAGS?}) 2>/dev/null

  250. }

  251. 

  252. save_flags(){

  253.     flags_saved && return

  254.     SAVE_CFLAGS="$CFLAGS"

  255.     SAVE_LDFLAGS="$LDFLAGS"

  256.     SAVE_extralibs="$extralibs"

  257. }

  258. 

  259. restore_flags(){

  260.     CFLAGS="$SAVE_CFLAGS"

  261.     LDFLAGS="$SAVE_LDFLAGS"

  262.     extralibs="$SAVE_extralibs"

  263.     unset SAVE_CFLAGS

  264.     unset SAVE_LDFLAGS

  265.     unset SAVE_extralibs

  266. }

  267. 

  268. temp_cflags(){

  269.     save_flags

  270.     CFLAGS="$CFLAGS $*"

  271. }

  272. 

  273. temp_ldflags(){

  274.     save_flags

  275.     LDFLAGS="$LDFLAGS $*"

  276. }

  277. 

  278. temp_extralibs(){

  279.     save_flags

  280.     extralibs="$extralibs $*"

  281. }

  282. 

  283. append(){

  284.     var=$1

  285.     shift

  286.     flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""

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

  288. }

  289. 

  290. add_cflags(){

  291.     append CFLAGS "$@"

  292. }

  293. 

  294. add_ldflags(){

  295.     append LDFLAGS "$@"

  296. }

  297. 

  298. add_extralibs(){

  299.     append extralibs "$@"

  300. }

  301. 

  302. check_cmd(){

  303.     log "$@"

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

  305. }

  306. 

  307. check_cc(){

  308.     log check_cc "$@"

  309.     cat >$TMPC

  310.     log_file $TMPC

  311.     check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC

  312. }

  313. 

  314. check_cpp(){

  315.     log check_cpp "$@"

  316.     cat >$TMPC

  317.     log_file $TMPC

  318.     check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC

  319. }

  320. 

  321. check_ld(){

  322.     log check_ld "$@"

  323.     check_cc || return

  324.     check_cmd $cc $LDFLAGS "$@" -o $TMPE $TMPO $extralibs

  325. }

  326. 

  327. check_cflags(){

  328.     log check_cflags "$@"

  329.     check_cc "$@" <<EOF && add_cflags "$@"

  330. int x;

  331. EOF

  332. }

  333. 

  334. check_ldflags(){

  335.     log check_ldflags "$@"

  336.     check_ld "$@" <<EOF && add_ldflags "$@"

  337. int main(){

  338.     return 0;

  339. }

  340. EOF

  341. }

  342. 

  343. check_header(){

  344.     log check_header "$@"

  345.     header=$1

  346.     shift

  347.     check_cpp "$@" <<EOF

  348. #include <$header>

  349. int x;

  350. EOF

  351.     err=$?

  352.     var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`

  353.     test "$err" = 0 && enable $var || disable $var

  354.     return $err

  355. }

  356. 

  357. check_func(){

  358.     log check_func "$@"

  359.     func=$1

  360.     shift

  361.     check_ld "$@" <<EOF

  362. extern int $func();

  363. int main(){

  364.     $func();

  365. }

  366. EOF

  367.     err=$?

  368.     test "$err" = 0 && enable $func || disable $func

  369.     return $err

  370. }

  371. 

  372. check_lib(){

  373.     log check_lib "$@"

  374.     header="$1"

  375.     func="$2"

  376.     shift 2

  377.     temp_extralibs "$@"

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

  379.     err=$?

  380.     restore_flags

  381.     return $err

  382. }

  383. 

  384. check_exec(){

  385.     check_ld "$@" && { test "$cross_compile" = yes || $TMPE >>$logfile 2>&1; }

  386. }

  387. 

  388. require(){

  389.     name="$1"

  390.     header="$2"

  391.     func="$3"

  392.     shift 3

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

  394. }

  395. 

  396. apply(){

  397.     file=$1

  398.     shift

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

  400. }

  401. 

  402. CONFIG_LIST='

  403.     encoders

  404.     decoders

  405.     parsers

  406.     muxers

  407.     demuxers

  408.     a52

  409.     a52bin

  410.     amr

  411.     amr_nb

  412.     amr_nb_fixed

  413.     amr_wb

  414.     audio_beos

  415.     audio_oss

  416.     avisynth

  417.     beos_netserver

  418.     bktr

  419.     dc1394

  420.     dts

  421.     dv1394

  422.     faac

  423.     faad

  424.     faadbin

  425.     ffmpeg

  426.     ffplay

  427.     ffserver

  428.     gpl

  429.     ipv6

  430.     libgsm

  431.     libnut

  432.     libogg

  433.     libvorbis

  434.     memalign_hack

  435.     mp3lame

  436.     mpegaudio_hp

  437.     network

  438.     pp

  439.     protocols

  440.     swscaler

  441.     vhook

  442.     video4linux

  443.     video4linux2

  444.     wince

  445.     x264

  446.     xvid

  447.     zlib

  448. '

  449. 

  450. HAVE_LIST='

  451.     altivec_h

  452.     beosthreads

  453.     byteswap_h

  454.     dcbzl

  455.     dlfcn_h

  456.     dlopen

  457.     freetype2

  458.     gprof

  459.     imlib2

  460.     inet_aton

  461.     localtime_r

  462.     lrintf

  463.     malloc_h

  464.     memalign

  465.     mlib

  466.     os2

  467.     os2threads

  468.     pthreads

  469.     sdl

  470.     sdl_video_size

  471.     threads

  472.     w32threads

  473. '

  474. 

  475. # set temporary file name

  476. if test ! -z "$TMPDIR" ; then

  477.     TMPDIR1="${TMPDIR}"

  478. elif test ! -z "$TEMPDIR" ; then

  479.     TMPDIR1="${TEMPDIR}"

  480. else

  481.     TMPDIR1="/tmp"

  482. fi

  483. 

  484. TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"

  485. TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"

  486. TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"

  487. TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"

  488. TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"

  489. 

  490. # default parameters

  491. logging="yes"

  492. logfile="config.err"

  493. PREFIX="/usr/local"

  494. libdir='${PREFIX}/lib'

  495. shlibdir="$libdir"

  496. incdir='${PREFIX}/include/ffmpeg'

  497. mandir='${PREFIX}/man'

  498. bindir='${PREFIX}/bin'

  499. cross_prefix=""

  500. cross_compile="no"

  501. cc="gcc"

  502. ar="ar"

  503. ranlib="ranlib"

  504. make="make"

  505. strip="strip"

  506. arch=`uname -m`

  507. cpu="generic"

  508. powerpc_perf="no"

  509. mmx="default"

  510. cmov="no"

  511. cmov_is_fast="no"

  512. armv5te="default"

  513. iwmmxt="default"

  514. altivec="default"

  515. dcbzl="no"

  516. mmi="default"

  517. case "$arch" in

  518.   i386|i486|i586|i686|i86pc|BePC)

  519.     arch="x86_32"

  520.   ;;

  521.   x86_64|amd64)

  522.     arch="x86_32"

  523.     canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"

  524.     if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then

  525.       if [ -z "`echo $CFLAGS | grep -- -m32`"  ]; then

  526.         arch="x86_64"

  527.       fi

  528.     fi

  529.   ;;

  530.   # armv4l is a subset of armv[567]*l

  531.   arm|armv[4567]*l)

  532.     arch="armv4l"

  533.   ;;

  534.   alpha)

  535.     arch="alpha"

  536.   ;;

  537.   "Power Macintosh"|ppc|ppc64|powerpc)

  538.     arch="powerpc"

  539.   ;;

  540.   mips|mipsel|IP*)

  541.     arch="mips"

  542.   ;;

  543.   sun4u|sparc64)

  544.     arch="sparc64"

  545.   ;;

  546.   sparc)

  547.     arch="sparc"

  548.   ;;

  549.   sh4)

  550.     arch="sh4"

  551.   ;;

  552.   parisc|parisc64)

  553.     arch="parisc"

  554.   ;;

  555.   s390|s390x)

  556.     arch="s390"

  557.   ;;

  558.   m68k)

  559.     arch="m68k"

  560.   ;;

  561.   ia64)

  562.     arch="ia64"

  563.   ;;

  564.   bfin)

  565.     arch="bfin"

  566.   ;;

  567.   *)

  568.     arch="unknown"

  569.   ;;

  570. esac

  571. gprof="no"

  572. video4linux="yes"

  573. video4linux2="yes"

  574. bktr="no"

  575. audio_oss="yes"

  576. audio_beos="no"

  577. dv1394="yes"

  578. dc1394="no"

  579. network="yes"

  580. ipv6="yes"

  581. zlib="yes"

  582. libgsm="no"

  583. mp3lame="no"

  584. libnut="no"

  585. libogg="no"

  586. libvorbis="no"

  587. faad="no"

  588. faadbin="no"

  589. faac="no"

  590. xvid="no"

  591. x264="no"

  592. a52="no"

  593. a52bin="no"

  594. dts="no"

  595. pp="no"

  596. mingw32="no"

  597. wince="no"

  598. os2="no"

  599. lstatic="yes"

  600. lshared="no"

  601. optimize="yes"

  602. debug="yes"

  603. extrawarnings="no"

  604. dostrip="yes"

  605. installstrip="-s"

  606. extralibs="-lm"

  607. bigendian="no"

  608. vhook="default"

  609. avisynth="no"

  610. dlfcn_h="no"

  611. dlopen="no"

  612. mpegaudio_hp="yes"

  613. SHFLAGS='-shared -Wl,-soname,$@'

  614. VHOOKSHFLAGS='$(SHFLAGS)'

  615. beos_netserver="no"

  616. protocols="yes"

  617. ffmpeg="yes"

  618. ffserver="yes"

  619. ffplay="yes"

  620. LIBOBJFLAGS=""

  621. FFLDFLAGS=-Wl,--warn-common

  622. LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'

  623. FFSERVERLDFLAGS=-Wl,-E

  624. LDCONFIG="ldconfig"

  625. LIBPREF="lib"

  626. LIBSUF=".a"

  627. LIB='$(LIBPREF)$(NAME)$(LIBSUF)'

  628. SLIBPREF="lib"

  629. SLIBSUF=".so"

  630. SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'

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

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

  633. EXESUF=""

  634. BUILDSUF=""

  635. amr_nb="no"

  636. amr_wb="no"

  637. amr_nb_fixed="no"

  638. amr_if2="no"

  639. mlib="no"

  640. pthreads="no"

  641. swscaler="no"

  642. gpl="no"

  643. memalign_hack="no"

  644. asmalign_pot="unknown"

  645. LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(libdir)/$(LIB)"'

  646. 

  647. # OS specific

  648. targetos=`uname -s`

  649. case $targetos in

  650. BeOS)

  651. PREFIX="/boot/home/config"

  652. # helps building libavcodec

  653. add_cflags "-DPIC -fomit-frame-pointer"

  654. # 3 gcc releases known for BeOS, each with ugly bugs

  655. gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"

  656. case "$gcc_version" in

  657. 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"

  658. mmx="no"

  659. ;;

  660. *20010315*) echo "BeBits gcc"

  661. add_cflags "-fno-expensive-optimizations"

  662. ;;

  663. esac

  664. SHFLAGS=-nostart

  665. # disable Linux things

  666. audio_oss="no"

  667. video4linux="no"

  668. video4linux2="no"

  669. dv1394="no"

  670. # enable BeOS things

  671. audio_beos="yes"

  672. beosthreads="yes"

  673. # no need for libm, but the inet stuff

  674. # Check for BONE

  675. if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then

  676. extralibs="-lbind -lsocket"

  677. else

  678. beos_netserver="yes"

  679. extralibs="-lnet"

  680. fi ;;

  681. SunOS)

  682. video4linux="no"

  683. video4linux2="no"

  684. audio_oss="no"

  685. dv1394="no"

  686. make="gmake"

  687. FFLDFLAGS=""

  688. FFSERVERLDFLAGS=""

  689. SHFLAGS="-shared -Wl,-h,\$@"

  690. add_extralibs "-lsocket -lnsl"

  691. ;;

  692. NetBSD)

  693. video4linux="no"

  694. video4linux2="no"

  695. bktr="yes"

  696. audio_oss="yes"

  697. dv1394="no"

  698. make="gmake"

  699. add_extralibs "-lossaudio"

  700. ;;

  701. OpenBSD)

  702. video4linux="no"

  703. video4linux2="no"

  704. bktr="yes"

  705. audio_oss="yes"

  706. dv1394="no"

  707. need_memalign="no"

  708. make="gmake"

  709. LIBOBJFLAGS="\$(PIC)"

  710. LDCONFIG="ldconfig -m \$(shlibdir)"

  711. SHFLAGS='-shared'

  712. SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF).$(LIBVERSION)'

  713. SLIBNAME_WITH_VERSION='$(SLIBNAME)'

  714. SLIBNAME_WITH_MAJOR='$(SLIBNAME)'

  715. add_extralibs "-lossaudio"

  716. ;;

  717. FreeBSD)

  718. video4linux="no"

  719. video4linux2="no"

  720. bktr="yes"

  721. audio_oss="yes"

  722. dv1394="no"

  723. make="gmake"

  724. need_memalign="no"

  725. add_cflags "-pthread"

  726. ;;

  727. GNU/kFreeBSD)

  728. video4linux="no"

  729. video4linux2="no"

  730. bktr="yes"

  731. audio_oss="yes"

  732. dv1394="no"

  733. add_cflags "-pthread"

  734. ;;

  735. BSD/OS)

  736. video4linux="no"

  737. video4linux2="no"

  738. bktr="yes"

  739. audio_oss="yes"

  740. dv1394="no"

  741. extralibs="-lpoll -lgnugetopt -lm"

  742. make="gmake"

  743. strip="strip -d"

  744. installstrip=""

  745. ;;

  746. Darwin)

  747. cc="cc"

  748. video4linux="no"

  749. video4linux2="no"

  750. audio_oss="no"

  751. dv1394="no"

  752. need_memalign="no"

  753. SHFLAGS="-dynamiclib -Wl,-single_module -Wl,-install_name,\$(shlibdir)/\$(SLIBNAME),-current_version,\$(SPPVERSION),-compatibility_version,\$(SPPVERSION)"

  754. VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(shlibdir)/vhook/$@'

  755. extralibs=""

  756. strip="strip -x"

  757. installstrip=""

  758. FFLDFLAGS="-Wl,-dynamic,-search_paths_first"

  759. SLIBSUF=".dylib"

  760. SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'

  761. SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'

  762. FFSERVERLDFLAGS=-Wl,-bind_at_load

  763. LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(libdir)/$(LIB)"'

  764. ;;

  765. MINGW32*)

  766. # Note: the rest of the mingw32 config is done afterwards as mingw32

  767. # can be forced on the command line for Linux cross compilation.

  768. mingw32="yes"

  769. ;;

  770. CYGWIN*)

  771. targetos=CYGWIN

  772. shlibdir="$bindir"

  773. video4linux="no"

  774. video4linux2="no"

  775. audio_oss="yes"

  776. dv1394="no"

  777. VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'

  778. VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'

  779. extralibs=""

  780. EXESUF=".exe"

  781. SLIBPREF="cyg"

  782. SLIBSUF=".dll"

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

  784. SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'

  785. SHFLAGS='-shared -Wl,--out-implib=lib$(NAME).dll.a'

  786. ;;

  787. Linux)

  788. LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"

  789. ;;

  790. IRIX*)

  791. targetos=IRIX

  792. ranlib="echo ignoring ranlib"

  793. video4linux="no"

  794. video4linux2="no"

  795. audio_oss="no"

  796. make="gmake"

  797. ;;

  798. OS/2)

  799. TMPE=$TMPE".exe"

  800. ar="emxomfar -p128"

  801. ranlib="echo ignoring ranlib"

  802. strip="echo ignoring strip"

  803. add_cflags "-Zomf"

  804. FFLDFLAGS="-Zomf -Zstack 16384 -s"

  805. SHFLAGS="-Zdll -Zomf"

  806. FFSERVERLDFLAGS=""

  807. LIBPREF=""

  808. LIBSUF=".lib"

  809. SLIBPREF=""

  810. SLIBSUF=".dll"

  811. EXESUF=".exe"

  812. extralibs=""

  813. pkg_requires=""

  814. video4linux="no"

  815. video4linux2="no"

  816. audio_oss="no"

  817. dv1394="no"

  818. ffserver="no"

  819. vhook="no"

  820. os2="yes"

  821. os2threads="yes"

  822. ;;

  823. *)

  824. targetos="${targetos}-UNKNOWN"

  825. ;;

  826. esac

  827. 

  828. # find source path

  829. source_path="`dirname \"$0\"`"

  830. source_path_used="yes"

  831. if test -z "$source_path" -o "$source_path" = "." ; then

  832.     source_path="`pwd`"

  833.     source_path_used="no"

  834. else

  835.     source_path="`cd \"$source_path\"; pwd`"

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

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

  838. fi

  839. 

  840. if test x"$1" = x"-h" -o x"$1" = x"--help" ; then

  841.     show_help

  842. fi

  843. 

  844. FFMPEG_CONFIGURATION=" "

  845. for opt do

  846.   FFMPEG_CONFIGURATION="$FFMPEG_CONFIGURATION""$opt "

  847. done

  848. 

  849. ENCODER_LIST=`sed -n 's/^[^#]*ENC.*, *\(.*\)).*/\1_encoder/p' "$source_path/libavcodec/allcodecs.c"`

  850. DECODER_LIST=`sed -n 's/^[^#]*DEC.*, *\(.*\)).*/\1_decoder/p' "$source_path/libavcodec/allcodecs.c"`

  851. PARSER_LIST=`sed -n 's/^[^#]*PARSER.*, *\(.*\)).*/\1_parser/p' "$source_path/libavcodec/allcodecs.c"`

  852. MUXER_LIST=`sed -n 's/^[^#]*_MUX.*, *\(.*\)).*/\1_muxer/p' "$source_path/libavformat/allformats.c"`

  853. DEMUXER_LIST=`sed -n 's/^[^#]*DEMUX.*, *\(.*\)).*/\1_demuxer/p' "$source_path/libavformat/allformats.c"`

  854. 

  855. enable $ENCODER_LIST $DECODER_LIST $PARSER_LIST $MUXER_LIST $DEMUXER_LIST

  856. 

  857. for opt do

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

  859.   case "$opt" in

  860.   --log)

  861.   ;;

  862.   --log=*) logging="$optval"

  863.   ;;

  864.   --prefix=*) PREFIX="$optval"

  865.   ;;

  866.   --libdir=*) libdir="$optval"

  867.   ;;

  868.   --shlibdir=*) shlibdir="$optval"

  869.   ;;

  870.   --incdir=*) incdir="$optval"

  871.   ;;

  872.   --mandir=*) mandir="$optval"

  873.   ;;

  874.   --source-path=*) source_path="$optval"

  875.   ;;

  876.   --cross-prefix=*) cross_prefix="$optval"

  877.   ;;

  878.   --cross-compile) cross_compile=yes

  879.   ;;

  880.   --cc=*) cc="$optval"

  881.   ;;

  882.   --make=*) make="$optval"

  883.   ;;

  884.   --extra-cflags=*) add_cflags "$optval"

  885.   ;;

  886.   --extra-ldflags=*) add_ldflags "$optval"

  887.   ;;

  888.   --extra-libs=*) add_extralibs "$optval"

  889.   ;;

  890.   --build-suffix=*) BUILDSUF="$optval"

  891.   ;;

  892.   --arch=*) arch="$optval"

  893.   ;;

  894.   --cpu=*) cpu="$optval"

  895.   ;;

  896.   --powerpc-perf-enable) powerpc_perf="yes"

  897.   ;;

  898.   --disable-mmx) mmx="no"

  899.   ;;

  900.   --disable-armv5te) armv5te="no"

  901.   ;;

  902.   --disable-iwmmxt) iwmmxt="no"

  903.   ;;

  904.   --disable-altivec) altivec="no"

  905.   ;;

  906.   --enable-gprof) gprof="yes"

  907.   ;;

  908.   --disable-v4l) video4linux="no"

  909.   ;;

  910.   --disable-v4l2) video4linux2="no"

  911.   ;;

  912.   --disable-bktr) bktr="no"

  913.   ;;

  914.   --disable-audio-oss) audio_oss="no"

  915.   ;;

  916.   --disable-audio-beos) audio_beos="no"

  917.   ;;

  918.   --disable-dv1394) dv1394="no"

  919.   ;;

  920.   --disable-network) network="no"; ffserver="no"

  921.   ;;

  922.   --disable-ipv6) ipv6="no";

  923.   ;;

  924.   --disable-zlib) zlib="no"

  925.   ;;

  926.   --enable-a52) a52="yes"

  927.   ;;

  928.   --enable-a52bin) a52bin="yes"

  929.   ;;

  930.   --enable-dts) dts="yes"

  931.   ;;

  932.   --enable-pp) pp="yes"

  933.   ;;

  934.   --enable-libgsm) libgsm="yes"

  935.   ;;

  936.   --enable-mp3lame) mp3lame="yes"

  937.   ;;

  938.   --enable-libnut) libnut="yes"

  939.   ;;

  940.   --enable-libogg) libogg="yes"

  941.     pkg_requires="$pkg_requires ogg >= 1.1"

  942.   ;;

  943.   --enable-vorbis) libvorbis="yes"

  944.     pkg_requires="$pkg_requires vorbis vorbisenc"

  945.   ;;

  946.   --enable-faad) faad="yes"

  947.   ;;

  948.   --enable-faadbin) faadbin="yes"

  949.   ;;

  950.   --enable-faac) faac="yes"

  951.   ;;

  952.   --enable-xvid) xvid="yes"

  953.   ;;

  954.   --enable-x264) x264="yes"

  955.   ;;

  956.   --enable-avisynth) avisynth="yes";

  957.   ;;

  958.   --enable-dc1394) dc1394="yes"

  959.     pkg_requires="$pkg_requires libraw1394"

  960.   ;;

  961.   --disable-vhook) vhook="no"

  962.   ;;

  963.   --enable-mingw32) mingw32="yes"

  964.   ;;

  965.   --enable-mingwce) wince="yes"

  966.   ;;

  967.   --enable-static) lstatic="yes"

  968.   ;;

  969.   --disable-static) lstatic="no"

  970.   ;;

  971.   --enable-shared) lshared="yes"

  972.   ;;

  973.   --disable-shared) lshared="no"

  974.   ;;

  975.   --disable-debug) debug="no"

  976.   ;;

  977.   --disable-opts) optimize="no"

  978.   ;;

  979.   --enable-extra-warnings) extrawarnings="yes"

  980.   ;;

  981.   --disable-mpegaudio-hp) mpegaudio_hp="no"

  982.   ;;

  983.   --disable-protocols) protocols="no"; network="no"; ffserver="no"

  984.   ;;

  985.   --disable-ffmpeg) ffmpeg="no"

  986.   ;;

  987.   --disable-ffserver) ffserver="no"

  988.   ;;

  989.   --disable-ffplay) ffplay="no"

  990.   ;;

  991.   --enable-small) optimize="small"

  992.   ;;

  993.   --enable-amr_nb) amr="yes"; amr_nb="yes"; amr_nb_fixed="no"

  994.   ;;

  995.   --enable-amr_nb-fixed) amr="yes"; amr_nb_fixed="yes"; amr_nb="no"

  996.   ;;

  997.   --enable-amr_wb) amr="yes"; amr_wb="yes"

  998.   ;;

  999.   --enable-amr_if2) amr="yes"; amr_if2="yes"

  1000.   ;;

  1001.   --enable-sunmlib) mlib="yes"

  1002.   ;;

  1003.   --enable-pthreads) pthreads="yes"

  1004.   ;;

  1005.   --enable-swscaler) swscaler="yes"

  1006.   ;;

  1007.   --enable-gpl) gpl="yes"

  1008.   ;;

  1009.   --enable-memalign-hack) memalign_hack="yes"

  1010.   ;;

  1011.   --disable-strip) dostrip="no"

  1012.   ;;

  1013.   --enable-encoder=*) enable ${optval}_encoder

  1014.   ;;

  1015.   --enable-decoder=*) enable ${optval}_decoder

  1016.   ;;

  1017.   --disable-encoder=*) disable ${optval}_encoder

  1018.   ;;

  1019.   --disable-decoder=*) disable ${optval}_decoder

  1020.   ;;

  1021.   --disable-encoders) disable $ENCODER_LIST

  1022.   ;;

  1023.   --disable-decoders) disable $DECODER_LIST

  1024.   ;;

  1025.   --enable-muxer=*) enable ${optval}_muxer

  1026.   ;;

  1027.   --disable-muxer=*) disable ${optval}_muxer

  1028.   ;;

  1029.   --disable-muxers) disable $MUXER_LIST; ffserver="no"

  1030.   ;;

  1031.   --enable-demuxer=*) enable ${optval}_demuxer

  1032.   ;;

  1033.   --disable-demuxer=*) disable ${optval}_demuxer

  1034.   ;;

  1035.   --disable-demuxers) disable $DEMUXER_LIST

  1036.   ;;

  1037.   --enable-parser=*) enable ${optval}_parser

  1038.   ;;

  1039.   --disable-parser=*) disable ${optval}_parser

  1040.   ;;

  1041.   --disable-parsers) disable $PARSER_LIST

  1042.   ;;

  1043.   --help) show_help

  1044.   ;;

  1045.   *)

  1046.   echo "Unknown option \"$opt\"."

  1047.   echo "See $0 --help for available options."

  1048.   exit 1

  1049.   ;;

  1050.   esac

  1051. done

  1052. 

  1053. if test "$logging" != no; then

  1054.     test "$logging" = yes || logfile="$logging"

  1055.     echo "# $0 $@" >$logfile

  1056.     set >>$logfile

  1057. else

  1058.     logfile=/dev/null

  1059. fi

  1060. 

  1061. if test "$mingw32" = "yes" -o "$wince" = "yes"; then

  1062.     if test "$lshared" = "yes" && test "$lstatic" = "yes" ; then

  1063.         cat <<EOF

  1064. You can only build one library type at once on MinGW.

  1065. Specify --disable-static --enable-shared to only build

  1066. the shared libraries. To build only the static libraries

  1067. you do not need to pass additional options.

  1068. EOF

  1069.         exit 1

  1070.     fi

  1071.     video4linux="no"

  1072.     video4linux2="no"

  1073.     bktr="no"

  1074.     audio_oss="no"

  1075.     dv1394="no"

  1076.     dc1394="no"

  1077.     ffserver="no"

  1078.     network="no"

  1079.     if enabled mingw32; then

  1080.         w32threads="yes"

  1081.     fi

  1082.     if test "$wince" = "yes"; then

  1083.         protocols="no"

  1084.     fi

  1085.     SLIBPREF=""

  1086.     SLIBSUF=".dll"

  1087.     EXESUF=".exe"

  1088.     SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'

  1089.     SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'

  1090.     SLIB_EXTRA_CMD="-lib /machine:i386 /def:\$(@:${SLIBSUF}=.def)"

  1091.     SHFLAGS="-shared -Wl,--output-def,\$(@:${SLIBSUF}=.def),--out-implib,lib\$(SLIBNAME:\$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc"

  1092. fi

  1093. 

  1094. # Combine FFLDFLAGS and the LDFLAGS environment variable.

  1095. LDFLAGS="$FFLDFLAGS $LDFLAGS"

  1096. 

  1097. test -n "$cross_prefix" && cross_compile=yes

  1098. cc="${cross_prefix}${cc}"

  1099. ar="${cross_prefix}${ar}"

  1100. ranlib="${cross_prefix}${ranlib}"

  1101. strip="${cross_prefix}${strip}"

  1102. 

  1103. # we need to build at least one lib type

  1104. if test "$lstatic" = "no" && test "$lshared" = "no" ; then

  1105.     cat <<EOF

  1106. At least one library type must be built.

  1107. Specify --enable-static to build the static libraries or --enable-shared to

  1108. build the shared libraries as well. To only build the shared libraries specify

  1109. --disable-static in addition to --enable-shared.

  1110. EOF

  1111.     exit 1;

  1112. fi

  1113. 

  1114. if test "$libvorbis" = "yes" ; then

  1115.     if test "$libogg" = "no"; then

  1116.         echo "libogg must be enabled to enable Vorbis."

  1117.         fail="yes"

  1118.     fi

  1119. fi

  1120. 

  1121. if test "$gpl" != "yes"; then

  1122.     if test "$pp" != "no"; then

  1123.         echo "The Postprocessing code is under GPL and --enable-gpl is not specified."

  1124.         fail="yes"

  1125.     fi

  1126. 

  1127.     if test "$a52" != "no" -o "$a52bin" != "no"; then

  1128.         echo "liba52 is under GPL and --enable-gpl is not specified."

  1129.         fail="yes"

  1130.     fi

  1131. 

  1132.     if test "$xvid" != "no"; then

  1133.         echo "libxvidcore is under GPL and --enable-gpl is not specified."

  1134.         fail="yes"

  1135.     fi

  1136. 

  1137.     if test "$x264" != "no"; then

  1138.         echo "x264 is under GPL and --enable-gpl is not specified."

  1139.         fail="yes"

  1140.     fi

  1141. 

  1142.     if test "$dts" != "no"; then

  1143.         echo "libdts is under GPL and --enable-gpl is not specified."

  1144.         fail="yes"

  1145.     fi

  1146. 

  1147.     if test "$faad" != "no" -o "$faadbin" != "no"; then

  1148.         if check_header faad.h; then

  1149.             check_cc << EOF

  1150.                 #include <faad.h>

  1151.                 #ifndef FAAD2_VERSION

  1152.                 ok faad1

  1153.                 #endif

  1154.                 int main( void ) { return 0; }

  1155. EOF

  1156.             if test $? = 0 ; then

  1157.                 echo "FAAD2 is under GPL and --enable-gpl is not specified."

  1158.                 fail="yes"

  1159.             fi

  1160.         else

  1161.             faad="no"

  1162.             faadbin="no"

  1163.             echo "FAAD test failed."

  1164.         fi

  1165.     fi

  1166. fi

  1167. 

  1168. if test "$fail" = "yes"; then

  1169.     exit 1

  1170. fi

  1171. 

  1172. # compute MMX state

  1173. if test $mmx = "default"; then

  1174.     if test $arch = "x86_32" -o $arch = "x86_64"; then

  1175.         mmx="yes"

  1176.     else

  1177.         mmx="no"

  1178.     fi

  1179. fi

  1180. 

  1181. test -z "$need_memalign" && need_memalign="$mmx"

  1182. 

  1183. #Darwin CC versions

  1184. needmdynamicnopic="no"

  1185. if test $targetos = Darwin; then

  1186.     if test -n "`$cc -v 2>&1 | grep xlc`"; then

  1187.         add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"

  1188.     else

  1189.         gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"

  1190.         case "$gcc_version" in

  1191.             *2.95*)

  1192.                 add_cflags "-no-cpp-precomp -pipe"

  1193.                 ;;

  1194.             *[34].*)

  1195.                 add_cflags "-no-cpp-precomp -pipe -force_cpusubtype_ALL -Wno-sign-compare"

  1196.                 if test "$lshared" = no; then

  1197.                    needmdynamicnopic="yes"

  1198.                 fi

  1199.                 ;;

  1200.             *)

  1201.                 add_cflags "-no-cpp-precomp -pipe"

  1202.                 if test "$lshared" = no; then

  1203.                    needmdynamicnopic="yes"

  1204.                 fi

  1205.                 ;;

  1206.         esac

  1207.     fi

  1208. fi

  1209. 

  1210. if test $optimize != "no"; then

  1211.     add_cflags "-fomit-frame-pointer"

  1212. fi

  1213. 

  1214. # Can only do AltiVec on PowerPC

  1215. if test $altivec = "default"; then

  1216.     if test $arch = "powerpc"; then

  1217.         altivec="yes"

  1218.     else

  1219.         altivec="no"

  1220.     fi

  1221. fi

  1222. 

  1223. # Add processor-specific flags

  1224. POWERPCMODE="32bits"

  1225. if test $cpu != "generic"; then

  1226.     case $cpu in

  1227.         601|ppc601|PowerPC601)

  1228.             add_cflags "-mcpu=601"

  1229.             if test $altivec = "yes"; then

  1230.                 echo "WARNING: Tuning for PPC601 but AltiVec enabled!";

  1231.             fi

  1232.         ;;

  1233.         603*|ppc603*|PowerPC603*)

  1234.             add_cflags "-mcpu=603"

  1235.             if test $altivec = "yes"; then

  1236.                 echo "WARNING: Tuning for PPC603 but AltiVec enabled!";

  1237.             fi

  1238.         ;;

  1239.         604*|ppc604*|PowerPC604*)

  1240.             add_cflags "-mcpu=604"

  1241.             if test $altivec = "yes"; then

  1242.                 echo "WARNING: Tuning for PPC604 but AltiVec enabled!";

  1243.             fi

  1244.         ;;

  1245.         G3|g3|75*|ppc75*|PowerPC75*)

  1246.             add_cflags "-mcpu=750 -mpowerpc-gfxopt"

  1247.             if test $altivec = "yes"; then

  1248.                 echo "WARNING: Tuning for PPC75x but AltiVec enabled!";

  1249.             fi

  1250.         ;;

  1251.         G4|g4|745*|ppc745*|PowerPC745*)

  1252.             add_cflags "-mcpu=7450 -mpowerpc-gfxopt"

  1253.             if test $altivec = "no"; then

  1254.                 echo "WARNING: Tuning for PPC745x but AltiVec disabled!";

  1255.             fi

  1256.         ;;

  1257.         74*|ppc74*|PowerPC74*)

  1258.             add_cflags "-mcpu=7400 -mpowerpc-gfxopt"

  1259.             if test $altivec = "no"; then

  1260.                 echo "WARNING: Tuning for PPC74xx but AltiVec disabled!";

  1261.             fi

  1262.         ;;

  1263.         G5|g5|970|ppc970|PowerPC970|power4*|Power4*)

  1264.             add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"

  1265.             if test $altivec = "no"; then

  1266.                 echo "WARNING: Tuning for PPC970 but AltiVec disabled!";

  1267.             fi

  1268.             POWERPCMODE="64bits"

  1269.         ;;

  1270.         # targets that do NOT support conditional mov (cmov)

  1271.         i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)

  1272.             add_cflags "-march=$cpu"

  1273.             cmov="no"

  1274.         ;;

  1275.         # targets that do support conditional mov (cmov)

  1276.         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx)

  1277.             add_cflags "-march=$cpu"

  1278.             cmov="yes"

  1279.             cmov_is_fast="yes"

  1280.         ;;

  1281.         # targets that do support conditional mov but on which it's slow

  1282.         pentium4|prescott|nocona)

  1283.             add_cflags "-march=$cpu"

  1284.             cmov="yes"

  1285.             cmov_is_fast="no"

  1286.         ;;

  1287.         sparc64)

  1288.             add_cflags "-mcpu=v9"

  1289.         ;;

  1290.         *)

  1291.         echo "WARNING: Unknown CPU \"$cpu\", ignored."

  1292.         ;;

  1293.     esac

  1294. fi

  1295. 

  1296. # make sure we can execute files in $TMPDIR

  1297. cat >$TMPE 2>>$logfile <<EOF

  1298. #! /bin/sh

  1299. EOF

  1300. chmod +x $TMPE >>$logfile 2>&1

  1301. if ! $TMPE >>$logfile 2>&1; then

  1302.     cat <<EOF

  1303. Unable to create and execute files in $TMPDIR1.  Set the TMPDIR environment

  1304. variable to another directory and make sure that $TMPDIR1 is not mounted

  1305. noexec.

  1306. EOF

  1307.     die "Sanity test failed."

  1308. fi

  1309. rm $TMPE

  1310. 

  1311. # compiler sanity check

  1312. check_exec <<EOF

  1313. int main(){

  1314.     return 0;

  1315. }

  1316. EOF

  1317. if test "$?" != 0; then

  1318.     echo "$cc is unable to create an executable file."

  1319.     if test -z "$cross_prefix" -a "$cross_compile" = no; then

  1320.         echo "If $cc is a cross-compiler, use the --cross-compile option."

  1321.         echo "Only do this if you know what cross compiling means."

  1322.     fi

  1323.     die "C compiler test failed."

  1324. fi

  1325. 

  1326. # check for assembler specific support

  1327. 

  1328. if test $arch = "powerpc"; then

  1329. check_cc <<EOF && dcbzl=yes

  1330. int main(void) {

  1331.     register long zero = 0;

  1332.     char data[1024];

  1333.     asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));

  1334. return 0;

  1335. }

  1336. EOF

  1337. fi

  1338. 

  1339. # check for SIMD availability

  1340. 

  1341. # AltiVec flags: The FSF version of GCC differs from the Apple version

  1342. if test $arch = "powerpc"; then

  1343.     if test $altivec = "yes"; then

  1344.         if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then

  1345.             add_cflags "-faltivec"

  1346.         else

  1347.             add_cflags "-maltivec -mabi=altivec"

  1348.         fi

  1349.     fi

  1350. fi

  1351. 

  1352. check_header altivec.h

  1353. 

  1354. # check if our compiler supports Motorola AltiVec C API

  1355. if test $altivec = "yes"; then

  1356.     if test $altivec_h = "yes"; then

  1357.         inc_altivec_h="#include <altivec.h>"

  1358.     else

  1359.         inc_altivec_h=

  1360.     fi

  1361.     check_cc <<EOF || altivec=no

  1362. $inc_altivec_h

  1363. int main(void) {

  1364.     vector signed int v1, v2, v3;

  1365.     v1 = vec_add(v2,v3);

  1366.     return 0;

  1367. }

  1368. EOF

  1369. fi

  1370. 

  1371. # check armv5te instructions support

  1372. if test $armv5te = "default" -a $arch = "armv4l"; then

  1373.     armv5te=no

  1374.     check_cc <<EOF && armv5te=yes

  1375.         int main(void) {

  1376.         __asm__ __volatile__ ("qadd r0, r0, r0");

  1377.         }

  1378. EOF

  1379. fi

  1380. 

  1381. # check iwmmxt support

  1382. if test $iwmmxt = "default" -a $arch = "armv4l"; then

  1383.     iwmmxt=no

  1384.     check_cc <<EOF && iwmmxt=yes

  1385.         int main(void) {

  1386.         __asm__ __volatile__ ("wunpckelub wr6, wr4");

  1387.         }

  1388. EOF

  1389. fi

  1390. 

  1391. # mmi only available on mips

  1392. if test $mmi = "default"; then

  1393.     if test $arch = "mips"; then

  1394.         mmi="yes"

  1395.     else

  1396.         mmi="no"

  1397.     fi

  1398. fi

  1399. 

  1400. # check if our compiler supports mmi

  1401. enabled mmi && check_cc <<EOF || mmi="no"

  1402. int main(void) {

  1403.     __asm__ ("lq \$2, 0(\$2)");

  1404.     return 0;

  1405. }

  1406. EOF

  1407. 

  1408. # ---

  1409. # big/little-endian test

  1410. if test "$cross_compile" = "no"; then

  1411.     check_ld <<EOF || die "endian test failed" && $TMPE && bigendian="yes"

  1412. #include <inttypes.h>

  1413. int main(int argc, char ** argv){

  1414.         volatile uint32_t i=0x01234567;

  1415.         return (*((uint8_t*)(&i))) == 0x67;

  1416. }

  1417. EOF

  1418. else

  1419.     # programs cannot be launched if cross compiling, so make a static guess

  1420.     if test "$arch" = "powerpc" -o "$arch" = "mips" ; then

  1421.         bigendian="yes"

  1422.     fi

  1423. fi

  1424. 

  1425. # ---

  1426. # check availability of some header files

  1427. 

  1428. check_header malloc.h

  1429. check_func memalign

  1430. 

  1431. if test "$memalign" = "no" -a "$need_memalign" = "yes" -a \

  1432.         "$memalign_hack" != "yes"; then

  1433.     die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."

  1434. fi

  1435. 

  1436. check_header byteswap.h

  1437. 

  1438. check_func inet_aton

  1439. check_func localtime_r

  1440. enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"

  1441. 

  1442. # check for some common methods of building with pthread support

  1443. # do this before the optional library checks as some of them require pthreads

  1444. if enabled pthreads; then

  1445.     if check_func pthread_create; then

  1446.         :

  1447.     elif check_func pthread_create -pthread; then

  1448.         add_cflags -pthread

  1449.         add_ldflags -pthread

  1450.     elif check_func pthread_create -pthreads; then

  1451.         add_cflags -pthreads

  1452.         add_ldflags -pthreads

  1453.     elif ! check_lib pthread.h pthread_create -lpthread; then

  1454.         die "ERROR: can't find pthreads library"

  1455.     fi

  1456. fi

  1457. 

  1458. # these are off by default, so fail if requested and not available

  1459. enabled dts     && require libdts dts.h dts_init -ldts -lm

  1460. enabled libgsm  && require libgsm gsm.h gsm_create -lgsm

  1461. enabled mp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm

  1462. enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc -logg

  1463. enabled libogg  && require libogg ogg/ogg.h ogg_sync_init -logg

  1464. enabled libnut  && require libnut libnut.h nut_demuxer_init -lnut

  1465. enabled xvid    && require XviD xvid.h xvid_global -lxvidcore

  1466. enabled x264    && require x264 x264.h x264_encoder_open -lx264

  1467. enabled dc1394  && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394

  1468. enabled mlib    && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib

  1469. 

  1470. # Ugh, faac uses stdcall calling convention on win32 so we can't use

  1471. # the generic test functions

  1472. if enabled faac; then

  1473.     save_flags

  1474.     temp_extralibs -lfaac

  1475.     check_ld <<EOF && add_extralibs -lfaac || die "ERROR: libfaac not found"

  1476. #include <stdint.h>

  1477. #include <faac.h>

  1478. int main(){

  1479.     char *id, *cpr;

  1480.     faacEncGetVersion(&id, &cpr);

  1481.     return 0;

  1482. }

  1483. EOF

  1484.     restore_flags

  1485. fi

  1486. 

  1487. # Ugh, recent faad2 versions have renamed all functions and #define the

  1488. # old names in faad.h.  Generic tests won't work.

  1489. if enabled faad; then

  1490.     save_flags

  1491.     temp_extralibs -lfaad

  1492.     check_ld <<EOF && add_extralibs -lfaad || die "ERROR: libfaad not found"

  1493. #include <faad.h>

  1494. int main(){

  1495.     faacDecOpen();

  1496.     return 0;

  1497. }

  1498. EOF

  1499.     restore_flags

  1500. fi

  1501. 

  1502. # Ugh, avisynth uses WINAPI calls. Generic tests won't work.

  1503. if enabled avisynth; then

  1504.     save_flags

  1505.     temp_extralibs -lvfw32

  1506.     check_ld <<EOF && add_extralibs -lvfw32 || die "ERROR: vfw32 not found"

  1507. #include <windows.h>

  1508. #include <vfw.h>

  1509. int main(){

  1510.     AVIFileInit();

  1511.     return 0;

  1512. }

  1513. EOF

  1514.     restore_flags

  1515. fi

  1516. 

  1517. 

  1518. # test for lrintf in math.h

  1519. check_exec <<EOF && lrintf=yes || lrintf=no

  1520. #define _ISOC9X_SOURCE  1

  1521. #include <math.h>

  1522. int main( void ) { return (lrintf(3.999f) > 0)?0:1; }

  1523. EOF

  1524. 

  1525. _restrict=

  1526. for restrict_keyword in restrict __restrict__ __restrict; do

  1527.     check_cc <<EOF && _restrict=$restrict_keyword && break

  1528. void foo(char * $restrict_keyword p);

  1529. EOF

  1530. done

  1531. 

  1532. # dlopen/dlfcn.h probing

  1533. 

  1534. check_header dlfcn.h

  1535. 

  1536. if check_func dlopen; then

  1537.     ldl=

  1538. elif check_func dlopen -ldl; then

  1539.     ldl=-ldl

  1540. fi

  1541. 

  1542. if test "$vhook" = "default"; then

  1543.     vhook="$dlopen"

  1544. fi

  1545. 

  1546. if enabled_any vhook a52bin faadbin; then

  1547.     add_extralibs $ldl

  1548. fi

  1549. 

  1550. if test "$targetos" = "CYGWIN" -a "$lstatic" = "yes" ; then

  1551.     vhook="no"

  1552.     echo

  1553.     echo "At the moment vhooks don't work on Cygwin static builds."

  1554.     echo "Patches welcome."

  1555.     echo

  1556. fi

  1557. 

  1558. if enabled vhook; then

  1559.     check_ldflags -rdynamic

  1560.     check_ldflags -export-dynamic

  1561. fi

  1562. 

  1563. if enabled audio_beos; then

  1564.     add_extralibs "-lmedia -lbe"

  1565. fi

  1566. 

  1567. ##########################################

  1568. # imlib check

  1569. 

  1570. temp_extralibs -lImlib2

  1571. check_ld <<EOF && imlib2=yes || imlib2=no

  1572. #include <X11/Xlib.h>

  1573. #include <Imlib2.h>

  1574. int main( void ) { return (int) imlib_load_font("foo"); }

  1575. EOF

  1576. restore_flags

  1577. 

  1578. ##########################################

  1579. # FreeType check

  1580. 

  1581. freetype2=no

  1582. if test "x$targetos" != "xBeOS"; then

  1583.   if (freetype-config --version) >/dev/null 2>&1 ; then

  1584.       temp_cflags `freetype-config --cflags`

  1585.       temp_extralibs `freetype-config --libs`

  1586.       check_ld <<EOF && freetype2=yes

  1587. #include <ft2build.h>

  1588. int main( void ) { return (int) FT_Init_FreeType(0); }

  1589. EOF

  1590.       restore_flags

  1591.   fi

  1592. fi

  1593. 

  1594. ##########################################

  1595. # SDL check

  1596. 

  1597. sdl_too_old=no

  1598. sdl=no

  1599. SDL_CONFIG="${cross_prefix}sdl-config"

  1600. if ("${SDL_CONFIG}" --version) >/dev/null 2>&1 ; then

  1601.     temp_cflags `"${SDL_CONFIG}" --cflags`

  1602.     temp_extralibs `"${SDL_CONFIG}" --libs`

  1603.     check_ld <<EOF

  1604. #include <SDL.h>

  1605. #undef main /* We don't want SDL to override our main() */

  1606. int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }

  1607. EOF

  1608.     if test $? = 0; then

  1609.         _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`

  1610.         if test "$_sdlversion" -lt 121 ; then

  1611.             sdl_too_old=yes

  1612.         else

  1613.             sdl=yes

  1614.             check_cc <<EOF && sdl_video_size=yes || sdl_video_size=no

  1615. #include <SDL.h>

  1616. int main(void){

  1617.     const SDL_VideoInfo *vi = SDL_GetVideoInfo();

  1618.     int w = vi->current_w;

  1619.     return 0;

  1620. }

  1621. EOF

  1622.         fi

  1623.     fi

  1624.     restore_flags

  1625. fi

  1626. 

  1627. enabled sdl || ffplay=no

  1628. 

  1629. ##########################################

  1630. # texi2html check

  1631. 

  1632. texi2html=no

  1633. if (texi2html -version) >/dev/null 2>&1; then

  1634. texi2html=yes

  1635. fi

  1636. 

  1637. ##########################################

  1638. # IPv6 check

  1639. 

  1640. enabled network && enabled ipv6 && check_ld <<EOF && ipv6=yes || ipv6=no

  1641. #include <sys/types.h>

  1642. #include <sys/socket.h>

  1643. #include <netinet/in.h>

  1644. #include <netdb.h>

  1645. int main( void ) {

  1646.   struct sockaddr_storage saddr;

  1647.   struct ipv6_mreq mreq6;

  1648.   getaddrinfo(0,0,0,0);

  1649.   getnameinfo(0,0,0,0,0,0,0);

  1650.   IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);

  1651. }

  1652. EOF

  1653. 

  1654. # check for video4linux2 --- V4L2_PIX_FMT_YUV420

  1655. enabled video4linux2 && check_cc <<EOF || video4linux2="no"

  1656. #include <sys/time.h>

  1657. #include <asm/types.h>

  1658. #include <linux/videodev2.h>

  1659. int dummy = V4L2_PIX_FMT_YUV420;

  1660. struct v4l2_buffer dummy1;

  1661. EOF

  1662. 

  1663. # Deal with the x11 frame grabber

  1664. enabled gpl                             &&

  1665. enabled x11_grab_device_demuxer         &&

  1666. check_header X11/Xlib.h                 &&

  1667. check_header X11/extensions/XShm.h      &&

  1668. check_func XOpenDisplay -lX11           &&

  1669. check_func XShmCreateImage -lX11 -lXext &&

  1670. add_extralibs -lX11 -lXext              ||

  1671. disable x11_grab_device_demuxer

  1672. 

  1673. enabled debug && add_cflags -g

  1674. 

  1675. # add some useful compiler flags if supported

  1676. check_cflags -Wdeclaration-after-statement

  1677. check_cflags -Wall

  1678. check_cflags -Wno-switch

  1679. check_cflags -Wdisabled-optimization

  1680. check_cflags -Wpointer-arith

  1681. check_cflags -Wredundant-decls

  1682. enabled extrawarnings && check_cflags -Winline

  1683. 

  1684. # add some linker flags

  1685. check_ldflags $LDLATEFLAGS

  1686. 

  1687. # not all compilers support -Os

  1688. test "$optimize" = "small" && check_cflags -Os

  1689. 

  1690. if enabled optimize; then

  1691.     if test -n "`$cc -v 2>&1 | grep xlc`"; then

  1692.         add_cflags  "-O5"

  1693.         add_ldflags "-O5"

  1694.     else

  1695.         add_cflags "-O3"

  1696.     fi

  1697. fi

  1698. 

  1699. # PIC flags for shared library objects where they are needed

  1700. if test "$lshared" = "yes" ; then

  1701.     # LIBOBJFLAGS may have already been set in the OS configuration

  1702.     if test -z "$LIBOBJFLAGS" ; then

  1703.         case "$arch" in

  1704.             x86_64|ia64|alpha|sparc*) LIBOBJFLAGS="\$(PIC)" ;;

  1705.         esac

  1706.     fi

  1707. fi

  1708. 

  1709. if test "$gprof" = "yes" ; then

  1710.     add_cflags  "-p"

  1711.     add_ldflags "-p"

  1712. fi

  1713. 

  1714. VHOOKCFLAGS="-fPIC $CFLAGS"

  1715. test "$needmdynamicnopic" = yes && add_cflags -mdynamic-no-pic

  1716. 

  1717. # find if .align arg is power-of-two or not

  1718. if test $asmalign_pot = "unknown"; then

  1719.     asmalign_pot="no"

  1720.     echo 'asm (".align 3");' | check_cc && asmalign_pot="yes"

  1721. fi

  1722. 

  1723. echo "install prefix   $PREFIX"

  1724. echo "source path      $source_path"

  1725. echo "C compiler       $cc"

  1726. echo "make             $make"

  1727. echo "ARCH             $arch ($cpu)"

  1728. if test "$BUILDSUF" != ""; then

  1729.     echo "build suffix     $BUILDSUF"

  1730. fi

  1731. echo "big-endian       $bigendian"

  1732. if test $arch = "x86_32" -o $arch = "x86_64"; then

  1733.     echo "MMX enabled      $mmx"

  1734.     echo "CMOV enabled     $cmov"

  1735.     echo "CMOV is fast     $cmov_is_fast"

  1736. fi

  1737. if test $arch = "armv4l"; then

  1738.     echo "ARMv5TE enabled  $armv5te"

  1739.     echo "IWMMXT enabled   $iwmmxt"

  1740. fi

  1741. if test $arch = "mips"; then

  1742.     echo "MMI enabled      $mmi"

  1743. fi

  1744. if test $arch = "powerpc"; then

  1745.     echo "AltiVec enabled  $altivec"

  1746.     echo "dcbzl available  $dcbzl"

  1747. fi

  1748. echo "gprof enabled    $gprof"

  1749. echo "zlib enabled     $zlib"

  1750. echo "libgsm enabled   $libgsm"

  1751. echo "mp3lame enabled  $mp3lame"

  1752. echo "libnut enabled   $libnut"

  1753. echo "libogg enabled   $libogg"

  1754. echo "Vorbis enabled   $libvorbis"

  1755. echo "FAAD enabled     $faad"

  1756. echo "faadbin enabled  $faadbin"

  1757. echo "FAAC enabled     $faac"

  1758. echo "XviD enabled     $xvid"

  1759. echo "x264 enabled     $x264"

  1760. echo "a52 support      $a52"

  1761. echo "a52 dlopened     $a52bin"

  1762. echo "DTS support      $dts"

  1763. echo "pp support       $pp"

  1764. echo "Software Scaler enabled $swscaler"

  1765. echo "AVISynth enabled $avisynth"

  1766. echo "debug symbols    $debug"

  1767. echo "strip symbols    $dostrip"

  1768. echo "optimize         $optimize"

  1769. echo "static           $lstatic"

  1770. echo "shared           $lshared"

  1771. echo "video hooking    $vhook"

  1772. echo "SDL support      $sdl"

  1773. if test $sdl_too_old = "yes"; then

  1774.     echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."

  1775. fi

  1776. 

  1777. if test "$vhook" = "yes"; then

  1778.     echo "Imlib2 support   $imlib2"

  1779.     echo "FreeType support $freetype2"

  1780. fi

  1781. echo "Sun medialib support"  $mlib

  1782. echo "pthreads support"      $pthreads

  1783. echo "AMR-NB float support"  $amr_nb

  1784. echo "AMR-NB fixed support"  $amr_nb_fixed

  1785. echo "AMR-WB float support"  $amr_wb

  1786. echo "AMR-WB IF2 support"    $amr_if2

  1787. echo "network support      $network"

  1788. if test "$network" = "yes" ; then

  1789.     echo "IPv6 support         $ipv6"

  1790. fi

  1791. echo ".align is power-of-two" $asmalign_pot

  1792. if test "$gpl" = "no" ; then

  1793.     echo "License: LGPL"

  1794. else

  1795.     echo "License: GPL"

  1796. fi

  1797. 

  1798. echo "Creating config.mak and config.h..."

  1799. 

  1800. echo "# Automatically generated by configure - do not modify!" > config.mak

  1801. echo "/* Automatically generated by configure - do not modify! */" > $TMPH

  1802. echo "#define FFMPEG_CONFIGURATION "'"'"$FFMPEG_CONFIGURATION"'"' >> $TMPH

  1803. 

  1804. echo "PREFIX=$PREFIX" >> config.mak

  1805. echo "prefix=\$(DESTDIR)\${PREFIX}" >> config.mak

  1806. echo "libdir=\$(DESTDIR)$libdir" >> config.mak

  1807. echo "shlibdir=\$(DESTDIR)$shlibdir" >> config.mak

  1808. echo "incdir=\$(DESTDIR)$incdir" >> config.mak

  1809. echo "bindir=\$(DESTDIR)$bindir" >> config.mak

  1810. echo "mandir=\$(DESTDIR)$mandir" >> config.mak

  1811. echo "MAKE=$make" >> config.mak

  1812. echo "CC=$cc" >> config.mak

  1813. echo "AR=$ar" >> config.mak

  1814. echo "RANLIB=$ranlib" >> config.mak

  1815. if test "$dostrip" = "yes" ; then

  1816.     echo "STRIP=$strip" >> config.mak

  1817.     echo "INSTALLSTRIP=$installstrip" >> config.mak

  1818. else

  1819.     echo "STRIP=echo ignoring strip" >> config.mak

  1820.     echo "INSTALLSTRIP=" >> config.mak

  1821. fi

  1822. 

  1823. echo "OPTFLAGS=$CFLAGS" >> config.mak

  1824. echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak

  1825. echo "LDFLAGS=$LDFLAGS" >> config.mak

  1826. echo "LDCONFIG=$LDCONFIG" >> config.mak

  1827. echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak

  1828. echo "SHFLAGS=$SHFLAGS" >> config.mak

  1829. echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak

  1830. echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak

  1831. echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak

  1832. echo "BUILD_STATIC=$lstatic" >> config.mak

  1833. echo "BUILDSUF=$BUILDSUF" >> config.mak

  1834. echo "LIBPREF=$LIBPREF" >> config.mak

  1835. echo "LIBSUF=\${BUILDSUF}$LIBSUF" >> config.mak

  1836. if test "$lstatic" = "yes" ; then

  1837.   echo "LIB=$LIB" >> config.mak

  1838. else # Some Make complain if this variable does not exist.

  1839.   echo "LIB=" >> config.mak

  1840. fi

  1841. echo "SLIBPREF=$SLIBPREF" >> config.mak

  1842. echo "SLIBSUF=\${BUILDSUF}$SLIBSUF" >> config.mak

  1843. echo "EXESUF=\${BUILDSUF}$EXESUF" >> config.mak

  1844. echo "TARGET_OS=$targetos" >> config.mak

  1845. 

  1846. ucarch=`toupper $arch`

  1847. echo "TARGET_ARCH_${ucarch}=yes" >> config.mak

  1848. echo "#define ARCH_${ucarch} 1" >> $TMPH

  1849. 

  1850. # special cases

  1851. case "$arch" in

  1852.     x86_32|x86_64)

  1853.         echo "TARGET_ARCH_X86=yes" >> config.mak

  1854.         echo "#define ARCH_X86 1" >> $TMPH

  1855.         ;;

  1856.     powerpc)

  1857.         if test "$POWERPCMODE" = "64bits"; then

  1858.             echo "#define POWERPC_MODE_64BITS 1" >> $TMPH

  1859.         fi

  1860.         if test "$powerpc_perf" = "yes"; then

  1861.             echo "#define POWERPC_PERFORMANCE_REPORT 1" >> $TMPH

  1862.         fi

  1863.         ;;

  1864.     sparc64)

  1865.         echo "TARGET_ARCH_SPARC=yes" >> config.mak

  1866.         echo "#define ARCH_SPARC 1" >> $TMPH

  1867.         ;;

  1868. esac

  1869. 

  1870. if test "$bigendian" = "yes" ; then

  1871.   echo "WORDS_BIGENDIAN=yes" >> config.mak

  1872.   echo "#define WORDS_BIGENDIAN 1" >> $TMPH

  1873. fi

  1874. if test "$mmx" = "yes" ; then

  1875.   echo "TARGET_MMX=yes" >> config.mak

  1876.   echo "#define HAVE_MMX 1" >> $TMPH

  1877.   echo "#define __CPU__ 586" >> $TMPH

  1878. fi

  1879. if test "$cmov" = "yes" ; then

  1880.   echo "TARGET_CMOV=yes" >> config.mak

  1881.   echo "#define HAVE_CMOV 1" >> $TMPH

  1882. fi

  1883. if test "$cmov_is_fast" = "yes" ; then

  1884.   echo "TARGET_CMOV_IS_FAST=yes" >> config.mak

  1885.   echo "#define CMOV_IS_FAST 1" >> $TMPH

  1886. fi

  1887. if test "$armv5te" = "yes" ; then

  1888.   echo "TARGET_ARMV5TE=yes" >> config.mak

  1889.   echo "#define HAVE_ARMV5TE 1" >> $TMPH

  1890. fi

  1891. if test "$iwmmxt" = "yes" ; then

  1892.   echo "TARGET_IWMMXT=yes" >> config.mak

  1893.   echo "#define HAVE_IWMMXT 1" >> $TMPH

  1894. fi

  1895. if test "$mmi" = "yes" ; then

  1896.   echo "TARGET_MMI=yes" >> config.mak

  1897.   echo "#define HAVE_MMI 1" >> $TMPH

  1898. fi

  1899. 

  1900. if test "$altivec" = "yes" ; then

  1901.   echo "TARGET_ALTIVEC=yes" >> config.mak

  1902.   echo "#define HAVE_ALTIVEC 1" >> $TMPH

  1903. fi

  1904. 

  1905. if test "$sdl" = "yes" ; then

  1906.   echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak

  1907.   echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak

  1908. fi

  1909. if test "$texi2html" = "yes"; then

  1910.   echo "BUILD_DOC=yes" >> config.mak

  1911. fi

  1912. 

  1913. sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`

  1914. pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`

  1915. lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`

  1916. lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`

  1917. lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`

  1918. 

  1919. 

  1920. 

  1921. if test "$lshared" = "yes" ; then

  1922.   echo "BUILD_SHARED=yes" >> config.mak

  1923.   echo "PIC=-fPIC -DPIC" >> config.mak

  1924.   echo "SPPMAJOR=${pp_version%%.*}" >> config.mak

  1925.   echo "SPPVERSION=$pp_version" >> config.mak

  1926.   echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak

  1927.   echo "LAVCVERSION=$lavc_version" >> config.mak

  1928.   echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak

  1929.   echo "LAVFVERSION=$lavf_version" >> config.mak

  1930.   echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak

  1931.   echo "LAVUVERSION=$lavu_version" >> config.mak

  1932.   echo "SWSMAJOR=${sws_version%%.*}" >> config.mak

  1933.   echo "SWSVERSION=$sws_version" >> config.mak

  1934.   echo "SLIBNAME=${SLIBNAME}" >> config.mak

  1935.   echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak

  1936.   echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak

  1937.   echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak

  1938. fi

  1939. echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak

  1940. echo "EXTRALIBS=$extralibs" >> config.mak

  1941. 

  1942. enabled_any $ENCODER_LIST && enable encoders

  1943. enabled_any $DECODER_LIST && enable decoders

  1944. enabled_any $MUXER_LIST   && enable muxers

  1945. enabled_any $DEMUXER_LIST && enable demuxers

  1946. 

  1947. enabled_any pthreads beosthreads os2threads w32threads && enable threads

  1948. 

  1949. print_config HAVE_   $TMPH config.mak $HAVE_LIST

  1950. print_config CONFIG_ $TMPH config.mak $CONFIG_LIST

  1951. 

  1952. if test "$targetos" = "Darwin"; then

  1953.   echo "#define CONFIG_DARWIN 1"  >> $TMPH

  1954. fi

  1955. 

  1956. echo "#define restrict $_restrict" >> $TMPH

  1957. 

  1958. if test "$optimize" = "small"; then

  1959.   echo "#define always_inline"  >> $TMPH

  1960.   echo "#define CONFIG_SMALL 1" >> $TMPH

  1961. fi

  1962. 

  1963. echo "SRC_PATH=\"$source_path\"" >> config.mak

  1964. echo "SRC_PATH_BARE=$source_path" >> config.mak

  1965. echo "BUILD_ROOT=\"$PWD\"" >> config.mak

  1966. 

  1967. if test "$amr_if2" = "yes" ; then

  1968.   echo "AMR_CFLAGS=-DIF2=1" >> config.mak

  1969. fi

  1970. 

  1971. # Apparently it's not possible to portably echo a backslash.

  1972. if test "$asmalign_pot" = "yes" ; then

  1973.   printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH

  1974. else

  1975.   printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH

  1976. fi

  1977. 

  1978. 

  1979. for codec in $DECODER_LIST $ENCODER_LIST $PARSER_LIST $DEMUXER_LIST $MUXER_LIST; do

  1980.     ucname="`toupper $codec`"

  1981.     config_name="CONFIG_$ucname"

  1982.     enabled_name="ENABLE_$ucname"

  1983.     if enabled $codec; then

  1984.         echo "#define $config_name 1" >> $TMPH

  1985.         echo "#define $enabled_name 1" >> $TMPH

  1986.         echo "$config_name=yes" >> config.mak

  1987.     else

  1988.         echo "#define $enabled_name 0" >> $TMPH

  1989.     fi

  1990. done

  1991. 

  1992. # Do not overwrite config.h if unchanged to avoid superfluous rebuilds.

  1993. if ! cmp -s $TMPH config.h; then

  1994.         mv -f $TMPH config.h

  1995. else

  1996.         echo "config.h is unchanged"

  1997. fi

  1998. 

  1999. rm -f $TMPO $TMPC $TMPE $TMPS $TMPH

  2000. 

  2001. # build tree in object directory if source path is different from current one

  2002. if test "$source_path_used" = "yes" ; then

  2003.     DIRS="\

  2004.          doc \

  2005.          libavformat \

  2006.          libavcodec \

  2007.          libavcodec/alpha \

  2008.          libavcodec/armv4l \

  2009.          libavcodec/bfin \

  2010.          libavcodec/i386 \

  2011.          libavcodec/sparc \

  2012.          libavcodec/mlib \

  2013.          libavcodec/ppc \

  2014.          libavcodec/liba52 \

  2015.          libpostproc \

  2016.          libavutil \

  2017.          libswscale \

  2018.          tests \

  2019.          vhook \

  2020.          "

  2021.     FILES="\

  2022.           Makefile \

  2023.           common.mak \

  2024.           libavformat/Makefile \

  2025.           libavcodec/Makefile \

  2026.           libpostproc/Makefile \

  2027.           libavutil/Makefile \

  2028.           libswscale/Makefile \

  2029.           tests/Makefile \

  2030.           vhook/Makefile \

  2031.           doc/Makefile \

  2032.           doc/texi2pod.pl \

  2033.           "

  2034.     for dir in $DIRS ; do

  2035.             mkdir -p $dir

  2036.     done

  2037.     for f in $FILES ; do

  2038.         ln -sf "$source_path/$f" $f

  2039.     done

  2040. fi

  2041. 

  2042. 

  2043. # build pkg-config files

  2044. 

  2045. pkgconfig_generate(){

  2046. name=$1

  2047. comment=$2

  2048. version=$3

  2049. libs=$4

  2050. requires=$5

  2051. include=$6

  2052. cat <<EOF >$name.pc

  2053. prefix=$PREFIX

  2054. exec_prefix=\${prefix}

  2055. libdir=\${exec_prefix}/lib

  2056. includedir=\${prefix}/include

  2057. 

  2058. Name: $name

  2059. Description: $comment

  2060. Version: $version

  2061. Requires: $requires

  2062. Conflicts:

  2063. Libs: -L\${libdir} $libs

  2064. Cflags: -I\${includedir} -I\${includedir}/$include

  2065. EOF

  2066. }

  2067. 

  2068. pkgconfig_generate_uninstalled(){

  2069. name=$1

  2070. shortname=${name#lib}

  2071. comment=$2

  2072. version=$3

  2073. libs=$4

  2074. requires=$5

  2075. cat <<EOF >$name-uninstalled.pc

  2076. prefix=

  2077. exec_prefix=

  2078. libdir=\${pcfiledir}/$name

  2079. includedir=\${pcfiledir}/$name

  2080. 

  2081. Name: $name

  2082. Description: $comment

  2083. Version: $version

  2084. Requires: $requires

  2085. Conflicts:

  2086. Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs

  2087. Cflags: -I\${includedir}

  2088. EOF

  2089. }

  2090. 

  2091. pkgconfig_generate libavutil "FFmpeg utility library" "$lavu_version" -lavutil "" ffmpeg

  2092. pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$lavu_version"

  2093. 

  2094. pkgconfig_generate libavcodec "FFmpeg codec library" "$lavc_version" "-lavcodec $extralibs" "$pkg_requires libavutil = $lavu_version" ffmpeg

  2095. pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$lavc_version" "$extralibs" "$pkg_requires libavutil = $lavu_version"

  2096. 

  2097. pkgconfig_generate libavformat "FFmpeg container format library" "$lavf_version" "-lavformat $extralibs" "$pkg_requires libavcodec = $lavc_version" ffmpeg

  2098. pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$lavf_version" "$extralibs" "$pkg_requires libavcodec = $lavc_version"

  2099. 

  2100. pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc

  2101. pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"

  2102. 

  2103. if test "$swscaler" != "no"; then

  2104.   pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "-lswscale" "$pkg_requires libavutil = $lavu_version" swscale

  2105.   pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavutil = $lavu_version"

  2106. else

  2107.   pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" swscale

  2108.   pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"

  2109.   apply libswscale.pc sed s/^Libs:.*$/Libs:/

  2110.   apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/

  2111. fi