3 # FFmpeg configure script
5 # Copyright (c) 2000, 2001, 2002 Fabrice Bellard
6 # Copyright (c) 2005-2006 Diego Biurrun
7 # Copyright (c) 2005-2006 Mans Rullgard
10 # Prevent locale nonsense from breaking basic text processing.
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
23 (: ${foo%%bar}) 2> /dev/null
26 (: ${foo?}) 2> /dev/null
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
32 if test "0$FF_CONF_EXEC" -lt 1; then
34 try_exec bash "$0" "$@"
36 if test "0$FF_CONF_EXEC" -lt 2; then
38 try_exec ksh "$0" "$@"
40 if test "0$FF_CONF_EXEC" -lt 3; then
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
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."
58 echo "Usage: configure [options]"
59 echo "Options: [defaults in brackets after descriptions]"
61 echo "Standard options:"
62 echo " --help print this message"
63 echo " --logfile=FILE log tests and output to FILE [config.err]"
64 echo " --disable-logging do not log configure debug information"
65 echo " --prefix=PREFIX install in PREFIX [$prefix]"
66 echo " --bindir=DIR install binaries in DIR [PREFIX/bin]"
67 echo " --libdir=DIR install libs in DIR [PREFIX/lib]"
68 echo " --shlibdir=DIR install shared libs in DIR [PREFIX/lib]"
69 echo " --incdir=DIR install includes in DIR [PREFIX/include]"
70 echo " --mandir=DIR install man page in DIR [PREFIX/share/man]"
71 echo " --enable-static build static libraries [default=yes]"
72 echo " --disable-static do not build static libraries [default=no]"
73 echo " --enable-shared build shared libraries [default=no]"
74 echo " --disable-shared do not build shared libraries [default=yes]"
75 echo " --enable-gpl allow use of GPL code, the resulting libav*"
76 echo " and ffmpeg will be under GPL [default=no]"
77 echo " --enable-nonfree allow use of nonfree code, the resulting libav*"
78 echo " and ffmpeg will be unredistributable [default=no]"
79 echo " --enable-postproc enable GPLed postprocessing support [default=no]"
80 echo " --enable-swscale software scaler support [default=no]"
81 echo " --enable-avfilter video filter support (replaces vhook) [default=no]"
82 echo " --enable-avfilter-lavf video filters dependant on avformat [default=no]"
83 echo " --enable-beosthreads use BeOS threads [default=no]"
84 echo " --enable-os2threads use OS/2 threads [default=no]"
85 echo " --enable-pthreads use pthreads [default=no]"
86 echo " --enable-w32threads use Win32 threads [default=no]"
87 echo " --enable-x11grab enable X11 grabbing [default=no]"
89 echo "External library support:"
90 echo " --enable-mlib use Sun medialib [default=no]"
91 echo " --enable-liba52 enable GPLed liba52 support [default=no]"
92 echo " --enable-liba52bin open liba52.so.0 at runtime [default=no]"
93 echo " --enable-avisynth allow reading AVISynth script files [default=no]"
94 echo " --enable-libamr-nb enable libamr-nb floating point audio codec"
95 echo " --enable-libamr-wb enable libamr-wb floating point audio codec"
96 echo " --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394"
97 echo " and libraw1394 [default=no]"
98 echo " --enable-libdirac enable Dirac support via libdirac [default=no]"
99 echo " --enable-libfaac enable FAAC support via libfaac [default=no]"
100 echo " --enable-libfaad enable FAAD support via libfaad [default=no]"
101 echo " --enable-libfaadbin open libfaad.so.0 at runtime [default=no]"
102 echo " --enable-libgsm enable GSM support via libgsm [default=no]"
103 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [default=no]"
104 echo " --enable-libnut enable NUT (de)muxing via libnut,"
105 echo " native demuxer exists [default=no]"
106 echo " --enable-libschroedinger enable Dirac support via libschroedinger [default=no]"
107 echo " --enable-libtheora enable Theora encoding via libtheora [default=no]"
108 echo " --enable-libvorbis enable Vorbis encoding via libvorbis,"
109 echo " native implementation exists [default=no]"
110 echo " --enable-libx264 enable H.264 encoding via x264 [default=no]"
111 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
112 echo " native MPEG-4/Xvid encoder exists [default=no]"
114 echo "Advanced options (experts only):"
115 echo " --source-path=PATH path to source code [$source_path]"
116 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
117 echo " --enable-cross-compile assume a cross-compiler is used"
118 echo " --target-os=OS compiler targets OS [$target_os]"
119 echo " --cc=CC use C compiler CC [$cc]"
120 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
121 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
122 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
123 echo " --extra-version=STRING version string suffix []"
124 echo " --build-suffix=SUFFIX suffix for application specific build []"
125 echo " --arch=ARCH select architecture [$arch]"
126 echo " --cpu=CPU selects the minimum cpu required (affects"
127 echo " instruction selection, may crash on older CPUs)"
128 echo " --enable-powerpc-perf enable performance report on PPC"
129 echo " (requires enabling PMC)"
130 echo " --disable-mmx disable MMX usage"
131 echo " --disable-mmx2 disable MMX2 usage"
132 echo " --disable-ssse3 disable SSSE3 usage"
133 echo " --disable-armv5te disable armv5te usage"
134 echo " --disable-armv6 disable armv6 usage"
135 echo " --disable-armvfp disable ARM VFP usage"
136 echo " --disable-iwmmxt disable iwmmxt usage"
137 echo " --disable-altivec disable AltiVec usage"
138 echo " --disable-network disable network support [default=no]"
139 echo " --disable-ipv6 disable ipv6 support [default=no]"
140 echo " --disable-zlib disable zlib [default=no]"
141 echo " --disable-bzlib disable bzlib [default=no]"
142 echo " --disable-vhook disable video hooking support"
143 echo " --disable-mpegaudio-hp faster (but less accurate)"
144 echo " MPEG audio decoding [default=no]"
145 echo " --enable-gray enable full grayscale support (slower color)"
146 echo " --disable-ffmpeg disable ffmpeg build"
147 echo " --disable-ffserver disable ffserver build"
148 echo " --disable-ffplay disable ffplay build"
149 echo " --enable-small optimize for size instead of speed"
150 echo " --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
151 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
152 echo " --disable-encoder=NAME disables encoder NAME"
153 echo " --enable-encoder=NAME enables encoder NAME"
154 echo " --disable-decoder=NAME disables decoder NAME"
155 echo " --enable-decoder=NAME enables decoder NAME"
156 echo " --disable-encoders disables all encoders"
157 echo " --disable-decoders disables all decoders"
158 echo " --disable-muxer=NAME disables muxer NAME"
159 echo " --enable-muxer=NAME enables muxer NAME"
160 echo " --disable-muxers disables all muxers"
161 echo " --disable-demuxer=NAME disables demuxer NAME"
162 echo " --enable-demuxer=NAME enables demuxer NAME"
163 echo " --disable-demuxers disables all demuxers"
164 echo " --enable-parser=NAME enables parser NAME"
165 echo " --disable-parser=NAME disables parser NAME"
166 echo " --disable-parsers disables all parsers"
167 echo " --enable-bsf=NAME enables bitstream filter NAME"
168 echo " --disable-bsf=NAME disables bitstream filter NAME"
169 echo " --disable-bsfs disables all bitstream filters"
170 echo " --enable-protocol=NAME enables protocol NAME"
171 echo " --disable-protocol=NAME disables protocol NAME"
172 echo " --disable-protocols disables all protocols"
173 echo " --disable-devices disables all devices"
174 echo " --list-decoders show all available decoders"
175 echo " --list-encoders show all available encoders"
176 echo " --list-muxers show all available muxers"
177 echo " --list-demuxers show all available demuxers"
178 echo " --list-parsers show all available parsers"
179 echo " --list-protocols show all available protocols"
180 echo " --list-bsfs show all available bitstream filters"
181 echo " --list-indevs show all available input devices"
182 echo " --list-outdevs show all available output devices"
184 echo "Developer options (useful when working on FFmpeg itself):"
185 echo " --disable-debug disable debugging symbols"
186 echo " --enable-debug=LEVEL set the debug level [$debuglevel]"
187 echo " --enable-gprof enable profiling with gprof [$gprof]"
188 echo " --disable-optimizations disable compiler optimizations"
189 echo " --enable-extra-warnings enable more compiler warnings"
190 echo " --disable-stripping disable stripping of executables and shared libraries"
192 echo "NOTE: Object files are built at the place where configure is launched."
197 echo "$@" >> $logfile
202 pr -n -t $1 >> $logfile
214 If you think configure made a mistake, make sure you are using the latest
215 version from SVN. If the latest version fails, report the problem to the
216 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
218 if disabled logging; then
220 Rerun configure with logging enabled (do not use --disable-logging), and
221 include the log this produces with your report.
225 Include the log file "$logfile" produced by configure as this will help
229 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
233 # Avoid locale weirdness, besides we really just want to translate ASCII.
235 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
239 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
252 eval level=\${${var}_level:=0}
253 eval ${var}_${level}="\$$var"
254 eval ${var}_level=$(($level+1))
260 eval level=\${${var}_level:-0}
261 test $level = 0 && continue
262 eval level=$(($level-1))
263 eval $var="\${${var}_${level}}"
264 eval ${var}_level=$level
265 eval unset ${var}_${level}
278 test "${1#!}" = "$1" && op== || op=!=
279 eval test "x\$${1#!}" $op "xyes"
283 test "${1#!}" = "$1" && op== || op=!=
284 eval test "x\$${1#!}" $op "xno"
289 enabled $opt || return 1
295 disabled $opt || return 1
301 enabled $opt && return 0
307 disabled $opt && return 0
313 eval test -z "\$$opt" && eval $opt=\$${opt}_default
321 [ $var = $value ] && return 0
329 enabled ${cfg}_checking && die "Circular dependency for $cfg."
330 disabled ${cfg}_checking && continue
331 enable ${cfg}_checking
333 eval dep_all="\$${cfg}_deps"
334 eval dep_any="\$${cfg}_deps_any"
336 pushvar cfg dep_all dep_any
337 check_deps $dep_all $dep_any
338 popvar cfg dep_all dep_any
340 enabled_all $dep_all || disable $cfg
341 enabled_any $dep_any || disable $cfg
343 if enabled $cfg; then
344 eval dep_extralibs="\$${cfg}_extralibs"
345 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
348 disable ${cfg}_checking
358 ucname="`toupper $cfg`"
359 if enabled $cfg; then
360 echo "#define ${pfx}${ucname} 1" >> $header
361 echo "#define ENABLE_${ucname} 1" >> $header
362 echo "${pfx}${ucname}=yes" >> $makefile
364 echo "#define ENABLE_${ucname} 0" >> $header
370 (: ${SAVE_CFLAGS?}) 2> /dev/null
374 flags_saved && return
375 SAVE_CFLAGS="$CFLAGS"
376 SAVE_LDFLAGS="$LDFLAGS"
377 SAVE_extralibs="$extralibs"
381 flags_saved || return
382 CFLAGS="$SAVE_CFLAGS"
383 LDFLAGS="$SAVE_LDFLAGS"
384 extralibs="$SAVE_extralibs"
397 LDFLAGS="$LDFLAGS $*"
402 extralibs="$extralibs $*"
408 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
409 eval "$var=\"\$$var $*\""
421 append extralibs "$@"
426 "$@" >> $logfile 2>&1
433 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
440 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
448 check_cc "$@" <<EOF && enable $name || disable $name
449 int foo(void){ asm volatile($asm); }
458 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
467 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
469 check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
473 log check_cflags "$@"
474 check_cc "$@" <<EOF && add_cflags "$@"
480 log check_ldflags "$@"
481 check_ld "$@" <<EOF && add_ldflags "$@"
482 int main(void){ return 0; }
487 log check_header "$@"
490 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
492 check_cpp "$@" <<EOF && enable $var
503 check_ld "$@" <<EOF && enable $func
505 int main(void){ $func(); }
509 check_func_headers(){
510 log check_func_headers "$@"
516 for hdr in $headers; do
520 check_ld "$@" <<EOF && enable $func
522 int main(int argc, char **argv){
535 check_header $header && check_func $func && add_extralibs "$@"
547 check_func_headers "$headers" $func && add_extralibs "$@"
554 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
560 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
561 # are safe but may not be available everywhere. Thus we use
562 # raise(SIGTERM) instead. The check is run in a subshell so we
563 # can redirect the "Terminated" message from the shell. SIGBUS
564 # is not defined by standard C so it is used conditionally.
566 (check_exec "$@") >> $logfile 2>&1 <<EOF
568 static void sighandler(int sig){
572 signal(SIGILL, sighandler);
573 signal(SIGFPE, sighandler);
574 signal(SIGSEGV, sighandler);
576 signal(SIGBUS, sighandler);
590 for hdr in $headers; do
594 check_cc "$@" <<EOF && enable $type
605 check_lib $header $func "$@" || die "ERROR: $name not found"
613 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
623 check_cmd ${pkg}-config --version
625 if test "$err" = 0; then
626 temp_cflags `${pkg}-config --cflags`
627 temp_extralibs `${pkg}-config --libs`
628 check_lib "$@" $header $func && enable $cfg
636 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
639 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
640 # system-dependent things.
751 dev_bktr_ioctl_bt848_h
752 dev_bktr_ioctl_meteor_h
754 dev_video_meteor_ioctl_meteor_h
755 dev_video_bktr_ioctl_bt848_h
776 machine_ioctl_bt848_h
777 machine_ioctl_meteor_h
837 # code dependency declarations
839 # architecture extensions
840 altivec_deps="powerpc"
841 armv5te_deps="armv4l"
852 # system headers and functions
853 byteswap_h_deps="!armv4l"
855 # decoders / encoders
856 ac3_decoder_deps="gpl !liba52"
857 dxa_decoder_deps="zlib"
858 eac3_decoder_deps="gpl"
859 flashsv_decoder_deps="zlib"
860 flashsv_encoder_deps="zlib"
861 mlp_decoder_deps="mlp_parser"
862 mpeg_xvmc_decoder_deps="xvmc"
863 png_decoder_deps="zlib"
864 png_encoder_deps="zlib"
865 zmbv_decoder_deps="zlib"
866 zmbv_encoder_deps="zlib"
869 liba52_decoder_deps="liba52"
870 liba52bin_decoder_extralibs='$ldl'
871 libamr_nb_decoder_deps="libamr_nb"
872 libamr_nb_encoder_deps="libamr_nb"
873 libamr_wb_decoder_deps="libamr_wb"
874 libamr_wb_encoder_deps="libamr_wb"
875 libdirac_decoder_deps="libdirac !libschroedinger"
876 libdirac_encoder_deps="libdirac"
877 libfaac_encoder_deps="libfaac"
878 libfaad_decoder_deps="libfaad"
879 libfaadbin_decoder_extralibs='$ldl'
880 libgsm_decoder_deps="libgsm"
881 libgsm_encoder_deps="libgsm"
882 libgsm_ms_decoder_deps="libgsm"
883 libgsm_ms_encoder_deps="libgsm"
884 libmp3lame_encoder_deps="libmp3lame"
885 libschroedinger_decoder_deps="libschroedinger"
886 libschroedinger_encoder_deps="libschroedinger"
887 libtheora_encoder_deps="libtheora"
888 libvorbis_encoder_deps="libvorbis"
889 libx264_encoder_deps="libx264"
890 libxvid_encoder_deps="libxvid"
891 mpeg4aac_decoder_deps="libfaad"
894 ac3_demuxer_deps="ac3_parser"
895 audio_beos_demuxer_deps="audio_beos"
896 audio_beos_demuxer_extralibs="-lmedia -lbe"
897 audio_beos_muxer_deps="audio_beos"
898 audio_beos_muxer_extralibs="-lmedia -lbe"
899 avisynth_demuxer_deps="avisynth"
900 bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
901 dirac_demuxer_deps="dirac_parser"
902 dv1394_demuxer_deps="dv1394 dv_demuxer"
903 libdc1394_demuxer_deps="libdc1394"
904 libnut_demuxer_deps="libnut"
905 libnut_muxer_deps="libnut"
906 mp3_demuxer_deps="mpegaudio_parser"
907 oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
908 oss_muxer_deps_any="soundcard_h sys_soundcard_h"
909 redir_demuxer_deps="network"
910 rtp_muxer_deps="network rtp_protocol"
911 rtsp_demuxer_deps="sdp_demuxer"
912 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
913 v4l_demuxer_deps="linux_videodev_h"
914 v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
915 vfwcap_demuxer_deps="capCreateCaptureWindow"
916 vfwcap_demuxer_extralibs="-lvfw32"
917 x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
918 x11_grab_device_demuxer_extralibs="-lX11 -lXext"
921 http_protocol_deps="network"
922 rtp_protocol_deps="udp_protocol"
923 tcp_protocol_deps="network"
924 udp_protocol_deps="network"
927 movie_filter_deps="avfilter_lavf"
931 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
932 ffserver_extralibs='$ldl'
933 vhook_extralibs='$ldl'
941 prefix_default="/usr/local"
942 bindir_default='${prefix}/bin'
943 incdir_default='${prefix}/include'
944 libdir_default='${prefix}/lib'
945 mandir_default='${prefix}/share/man'
946 shlibdir_default="$libdir_default"
955 asmalign_pot="unknown"
964 target_os=$(tolower $(uname -s))
970 # configurable options
985 add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
986 SHFLAGS='-shared -Wl,-soname,$$(@F)'
987 VHOOKSHFLAGS='$(SHFLAGS)'
988 FFSERVERLDFLAGS=-Wl,-E
991 FULLNAME='$(NAME)$(BUILDSUF)'
992 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
995 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
996 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
997 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
998 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1000 # gcc stupidly only outputs the basename of targets with -MM
1001 DEPEND_CMD='$(CC) $(CFLAGS) -MM -MG $< | sed -e "/^\#.*/d" -e "1s,^,$(@D)/," -e "s,\\([[:space:]]\\)\\(version\\.h\\),\\1\$$(BUILD_ROOT_REL)/\\2,"'
1004 source_path="`dirname \"$0\"`"
1005 enable source_path_used
1006 if test -z "$source_path" -o "$source_path" = "." ; then
1008 disable source_path_used
1010 source_path="`cd \"$source_path\"; pwd`"
1011 echo "$source_path" | grep -q '[[:blank:]]' &&
1012 die "Out of tree builds are impossible with whitespace in source path."
1015 FFMPEG_CONFIGURATION="$@"
1020 file=$source_path/$3
1021 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1024 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1025 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1026 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1027 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1028 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1029 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1030 OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
1031 INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
1032 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1033 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1035 enable $ARCH_EXT_LIST \
1048 echo "Unknown option \"$1\"."
1049 echo "See $0 --help for available options."
1056 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1063 --extra-cflags=*) add_cflags "$optval"
1065 --extra-ldflags=*) add_ldflags "$optval"
1067 --extra-libs=*) add_extralibs "$optval"
1069 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1071 --enable-debug=*) debuglevel="$optval"
1073 --enable-*=*|--disable-*=*)
1074 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1076 encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1077 *) die_unknown "$opt" ;;
1080 --enable-?*|--disable-?*)
1081 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1082 if is_in $option $COMPONENT_LIST; then
1083 eval $action \$$(toupper ${option%s})_LIST
1084 elif is_in $option $CMDLINE_SELECT; then
1091 NAME="${opt#--list-}"
1092 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1094 eval show_list $NAME \$$(toupper $NAME)_LIST
1096 --help|-h) show_help
1100 optname="${optname#--}"
1101 optname=$(echo "$optname" | sed 's/-/_/g')
1102 is_in $optname $CMDLINE_SET || die_unknown $opt
1103 eval $optname='$optval'
1108 disabled logging && logfile=/dev/null
1110 echo "# $0 $@" > $logfile
1113 cc="${cross_prefix}${cc}"
1114 yasmexe="${cross_prefix}${yasmexe}"
1115 ar="${cross_prefix}${ar}"
1116 nm="${cross_prefix}${nm}"
1117 ranlib="${cross_prefix}${ranlib}"
1118 strip="${cross_prefix}${strip}"
1120 # set temporary file name
1121 if test ! -z "$TMPDIR" ; then
1123 elif test ! -z "$TEMPDIR" ; then
1124 TMPDIR1="${TEMPDIR}"
1129 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1130 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1131 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1132 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1133 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1134 TMPSH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
1137 check_cflags -std=c99
1140 i386|i486|i586|i686|i86pc|BePC)
1142 enable fast_unaligned
1146 enable fast_unaligned
1147 check_cc <<EOF && enable fast_64bit && arch="x86_64"
1148 int test[sizeof(char*) - 7];
1151 # armv4l is a subset of armv[567]*l
1159 "Power Macintosh"|ppc|powerpc)
1205 enabled_any x86_32 x86_64 && enable x86
1206 enabled sparc64 && enable sparc
1211 prefix_default="$HOME/config"
1212 # helps building libavcodec
1213 add_cflags "-DPIC -fomit-frame-pointer"
1214 # 3 gcc releases known for BeOS, each with ugly bugs
1215 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1216 case "$gcc_version" in
1217 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1220 *20010315*) echo "BeBits gcc"
1221 add_cflags "-fno-expensive-optimizations"
1225 # enable BeOS things
1227 # no need for libm, but the inet stuff
1229 # XXX: actually should check for NOT net_server
1230 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1231 network_extralibs="-lbind -lsocket"
1233 enable beos_netserver
1234 network_extralibs="-lnet"
1238 SHFLAGS='-shared -Wl,-h,$$(@F)'
1239 network_extralibs="-lsocket -lnsl"
1242 oss_demuxer_extralibs="-lossaudio"
1243 oss_muxer_extralibs="-lossaudio"
1246 disable need_memalign
1247 LIBOBJFLAGS='$(PIC)'
1249 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF).$(LIBVERSION)'
1250 SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1251 SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1252 oss_demuxer_extralibs="-lossaudio"
1253 oss_muxer_extralibs="-lossaudio"
1256 disable need_memalign
1259 osextralibs="-lpoll -lgnugetopt"
1263 disable need_memalign
1264 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1265 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
1267 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1269 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1270 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1271 FFSERVERLDFLAGS=-Wl,-bind_at_load
1273 enabled x86_64 && objformat="macho64"
1278 if test $arch = x86_64; then
1279 disable need_memalign
1282 shlibdir_default="$bindir_default"
1283 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1284 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1285 if enabled swscale; then
1286 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1287 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1293 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1294 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1295 SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1296 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1297 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1298 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1299 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1304 shlibdir_default="$bindir_default"
1305 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1306 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1307 if enabled swscale; then
1308 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1309 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1314 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1315 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1316 SHFLAGS='-shared -Wl,--enable-auto-image-base'
1319 *-dos|freedos|opendos)
1320 disable ffplay ffserver vhook
1321 disable $INDEV_LIST $OUTDEV_LIST
1322 network_extralibs="-lsocket"
1331 ranlib="echo ignoring ranlib"
1337 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1338 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1343 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1344 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1345 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1346 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1347 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1348 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1349 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1350 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1351 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1352 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1353 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1354 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1362 target_os="${target_os}-UNKNOWN"
1366 set_default $PATHS_LIST
1368 add_extralibs $osextralibs
1370 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1371 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1373 test -n "$cross_prefix" && enable cross_compile
1375 # we need to build at least one lib type
1376 if ! enabled_any static shared; then
1378 At least one library type must be built.
1379 Specify --enable-static to build the static libraries or --enable-shared to
1380 build the shared libraries as well. To only build the shared libraries specify
1381 --disable-static in addition to --enable-shared.
1386 disabled static && LIBNAME=""
1388 if enabled_any libfaad libfaadbin ; then
1389 if check_header faad.h; then
1392 #ifndef FAAD2_VERSION
1395 int main(void) { return 0; }
1397 test $? = 0 && enable libfaad2
1399 die "FAAD test failed."
1404 if ! enabled gpl; then
1408 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1410 die_gpl_disabled "The Postprocessing code" postproc
1411 die_gpl_disabled "liba52" liba52
1412 die_gpl_disabled "libx264" libx264
1413 die_gpl_disabled "libxvidcore" libxvid
1414 die_gpl_disabled "FAAD2" libfaad2
1415 die_gpl_disabled "The X11 grabber" x11grab
1416 die_gpl_disabled "The software scaler" swscale
1419 if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1420 die "libamr is nonfree and --enable-nonfree is not specified."
1423 check_deps $ARCH_EXT_LIST
1425 test -z "$need_memalign" && need_memalign="$mmx"
1428 if test $target_os = darwin; then
1429 if $cc -v 2>&1 | grep -q xlc; then
1430 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1433 check_cflags "-force_cpusubtype_ALL"
1434 check_cflags "-Wno-sign-compare"
1435 enabled shared || check_cflags -mdynamic-no-pic
1439 disabled optimizations || check_cflags -fomit-frame-pointer
1441 # Add processor-specific flags
1442 if test $cpu != "generic"; then
1444 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1447 601|ppc601|PowerPC601)
1448 add_cflags "-mcpu=601"
1449 warn_altivec enabled PPC601
1451 603*|ppc603*|PowerPC603*)
1452 add_cflags "-mcpu=603"
1453 warn_altivec enabled PPC603
1455 604*|ppc604*|PowerPC604*)
1456 add_cflags "-mcpu=604"
1457 warn_altivec enabled PPC604
1459 G3|g3|75*|ppc75*|PowerPC75*)
1460 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1461 warn_altivec enabled PPC75x
1463 G4|g4|745*|ppc745*|PowerPC745*)
1464 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1465 warn_altivec disabled PPC745x
1467 74*|ppc74*|PowerPC74*)
1468 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1469 warn_altivec disabled PPC74xx
1471 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1472 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1473 warn_altivec disabled PPC970
1477 add_cflags "-mcpu=cell"
1478 warn_altivec disabled Cell
1481 # targets that do NOT support conditional mov (cmov)
1482 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1483 add_cflags "-march=$cpu"
1486 # targets that do support conditional mov (cmov)
1487 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1488 add_cflags "-march=$cpu"
1492 # targets that do support conditional mov but on which it's slow
1493 pentium4|pentium4m|prescott|nocona)
1494 add_cflags "-march=$cpu"
1499 add_cflags "-mcpu=v9"
1502 add_cflags "-mcpu=$cpu"
1505 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1510 # make sure we can execute files in $TMPDIR
1511 cat > $TMPSH 2>> $logfile <<EOF
1514 chmod +x $TMPSH >> $logfile 2>&1
1515 if ! $TMPSH >> $logfile 2>&1; then
1517 Unable to create and execute files in $TMPDIR1. Set the TMPDIR environment
1518 variable to another directory and make sure that $TMPDIR1 is not mounted
1521 die "Sanity test failed."
1525 # compiler sanity check
1527 int main(void){ return 0; }
1529 if test "$?" != 0; then
1530 echo "$cc is unable to create an executable file."
1531 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1532 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1533 echo "Only do this if you know what cross compiling means."
1535 die "C compiler test failed."
1538 check_cc <<EOF || die "Symbol mangling check failed."
1541 sym=$($nm -P -g $TMPO | grep ff_extern)
1542 extern_prefix=${sym%%ff_extern*}
1544 check_asm inline_asm '""'
1546 if enabled x86; then
1547 # check whether EBP is available on x86
1548 # As 'i' is stored on the stack, this program will crash
1549 # if the base pointer is used to access it because the
1550 # base pointer is cleared in the inline assembly code.
1551 check_exec_crash <<EOF && enable ebp_available
1559 # check wether EBX is available on x86
1560 check_asm ebx_available '"":::"%ebx"'
1562 # check whether binutils is new enough to compile SSSE3/MMX2
1563 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1564 enabled mmx2 && check_asm mmx2 '"movss %xmm0, %xmm0"'
1566 check_asm bswap '"bswap %%eax" ::: "%eax"'
1568 YASMFLAGS="-f $objformat -DARCH_$(toupper $arch)"
1569 enabled x86_64 && append YASMFLAGS "-m amd64"
1570 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1571 case "$objformat" in
1572 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1573 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
1574 *) append YASMFLAGS "-DPREFIX" ;;
1576 check_yasm "pabsw xmm0, xmm0" && enable yasm
1579 # check for assembler specific support
1581 if test $arch = "powerpc"; then
1582 check_cc <<EOF && enable dcbzl
1584 register long zero = 0;
1586 asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1592 # check for SIMD availability
1594 # AltiVec flags: The FSF version of GCC differs from the Apple version
1595 if enabled altivec; then
1596 check_cflags -maltivec -mabi=altivec &&
1597 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1598 check_cflags -faltivec
1600 # check if our compiler supports Motorola AltiVec C API
1601 check_cc <<EOF || disable altivec
1604 vector signed int v1, v2, v3;
1605 v1 = vec_add(v2,v3);
1610 # check if our compiler supports braces for vector declarations
1611 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1613 int main (void) { (vector int) {1}; return 0; }
1617 # We have to check if pld is a nop and disable it.
1618 enabled armv4l && check_asm pld '"pld [r0]"'
1619 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1620 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
1621 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
1622 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1623 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
1624 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
1625 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1627 enabled vis && add_cflags "-mcpu=ultrasparc -mtune=ultrasparc"
1630 # big/little-endian test
1631 check_cc <<EOF || die "endian test failed"
1632 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1634 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1637 # check availability of some header files
1639 if check_func dlopen; then
1641 elif check_func dlopen -ldl; then
1646 check_func gethrtime
1647 check_func getrusage
1648 check_func inet_aton $network_extralibs
1651 check_func_headers windows.h GetProcessTimes
1653 check_header byteswap.h
1654 check_header conio.h
1655 check_header dlfcn.h
1656 check_header malloc.h
1658 check_header sys/mman.h
1659 check_header sys/resource.h
1660 check_header sys/select.h
1661 check_header termios.h
1663 if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1664 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1667 enabled zlib && check_lib zlib.h zlibVersion -lz || disable zlib
1668 enabled bzlib && check_lib bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1670 # check for some common methods of building with pthread support
1671 # do this before the optional library checks as some of them require pthreads
1672 if enabled pthreads; then
1673 if check_func pthread_create; then
1675 elif check_func pthread_create -pthread; then
1677 add_extralibs -pthread
1678 elif check_func pthread_create -pthreads; then
1679 add_cflags -pthreads
1680 add_extralibs -pthreads
1681 elif check_func pthread_create -lpthreadGC2; then
1682 add_extralibs -lpthreadGC2
1683 elif ! check_lib pthread.h pthread_create -lpthread; then
1684 die "ERROR: can't find pthreads library"
1688 for thread in $THREADS_LIST; do
1689 if enabled $thread; then
1690 test -n "$thread_type" &&
1691 die "ERROR: Only one thread type must be selected." ||
1692 thread_type="$thread"
1696 check_lib math.h sin -lm
1698 # test for C99 functions in math.h
1699 for func in llrint lrint lrintf round roundf; do
1700 check_exec <<EOF && enable $func || disable $func
1702 int main(void) { return ($func(3.999f) > 0)?0:1; }
1706 # these are off by default, so fail if requested and not available
1707 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1708 enabled liba52 && require liba52 a52dec/a52.h a52_init -la52
1709 enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1710 enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1711 enabled libdirac && add_cflags "$(pkg-config --cflags dirac)" \
1712 && require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder \
1713 && require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
1714 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1715 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
1716 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1717 enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1718 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
1719 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) \
1720 && require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
1721 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1722 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
1723 enabled libx264 && require x264 x264.h x264_encoder_open -lx264 -lm
1724 enabled libxvid && require Xvid xvid.h xvid_global -lxvidcore
1725 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1728 if enabled libdc1394; then
1729 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1730 enable libdc1394_2; } ||
1731 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1732 enable libdc1394_1; } ||
1733 die "ERROR: No version of libdc1394 found "
1738 for restrict_keyword in restrict __restrict__ __restrict; do
1739 check_cc <<EOF && _restrict=$restrict_keyword && break
1740 void foo(char * $restrict_keyword p);
1744 test "$vhook" = "default" && vhook="$dlopen"
1746 if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
1749 echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1750 echo "Patches welcome."
1754 if enabled vhook; then
1755 check_ldflags -rdynamic
1756 check_ldflags -export-dynamic
1759 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1760 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1762 ##########################################
1767 SDL_CONFIG="${cross_prefix}sdl-config"
1768 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
1769 sdl_cflags=`"${SDL_CONFIG}" --cflags`
1770 temp_cflags $sdl_cflags
1771 temp_extralibs `"${SDL_CONFIG}" --libs`
1772 if check_lib2 SDL.h SDL_Init; then
1773 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1774 if test "$_sdlversion" -lt 121 ; then
1778 check_cc $sdl_cflags <<EOF && enable sdl_video_size
1780 int main(int argc, char **argv){
1781 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1782 int w = vi->current_w;
1791 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
1793 ##########################################
1796 if enabled network; then
1797 check_type sys/socket.h socklen_t
1798 # Prefer arpa/inet.h over winsock2
1799 if check_header arpa/inet.h ; then
1800 check_func closesocket
1801 elif check_header winsock2.h ; then
1802 network_extralibs="-lws2_32"
1803 check_type ws2tcpip.h socklen_t
1804 check_func_headers winsock2.h closesocket
1808 ##########################################
1811 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
1812 #include <sys/types.h>
1813 #include <sys/socket.h>
1814 #include <netinet/in.h>
1817 struct sockaddr_storage saddr;
1818 struct ipv6_mreq mreq6;
1819 getaddrinfo(0,0,0,0);
1820 getnameinfo(0,0,0,0,0,0,0);
1821 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1825 check_header linux/videodev.h
1826 check_header linux/videodev2.h
1827 check_header sys/videoio.h
1829 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
1831 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1832 { check_header dev/bktr/ioctl_meteor.h &&
1833 check_header dev/bktr/ioctl_bt848.h; } ||
1834 { check_header machine/ioctl_meteor.h &&
1835 check_header machine/ioctl_bt848.h; } ||
1836 { check_header dev/video/meteor/ioctl_meteor.h &&
1837 check_header dev/video/bktr/ioctl_bt848.h; } ||
1838 check_header dev/ic/bt8xx.h
1840 check_header sys/soundcard.h
1841 check_header soundcard.h
1843 # deal with the X11 frame grabber
1845 check_header X11/Xlib.h &&
1846 check_header X11/extensions/XShm.h &&
1847 check_func XOpenDisplay -lX11 &&
1848 check_func XShmCreateImage -lX11 -lXext
1850 enabled debug && add_cflags -g"$debuglevel"
1852 # add some useful compiler flags if supported
1853 check_cflags -Wdeclaration-after-statement
1855 check_cflags -Wno-switch
1856 check_cflags -Wdisabled-optimization
1857 check_cflags -Wpointer-arith
1858 check_cflags -Wredundant-decls
1859 check_cflags -Wno-pointer-sign
1860 check_cflags -Wcast-qual
1861 check_cflags -Wwrite-strings
1862 check_cflags -Wtype-limits
1863 enabled extra_warnings && check_cflags -Winline
1865 # add some linker flags
1866 check_ldflags -Wl,--warn-common
1867 check_ldflags -Wl,--as-needed
1868 check_ldflags '-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
1869 check_ldflags -Wl,-Bsymbolic
1871 if enabled small; then
1872 check_cflags -Os # not all compilers support -Os
1873 optimizations="small"
1874 elif enabled optimizations; then
1875 if $cc -v 2>&1 | grep -q xlc; then
1882 check_cflags -fno-math-errno
1883 check_cflags -fno-signed-zeros
1885 # add some flags for Intel C Compiler
1886 if $cc --version | grep -q Intel; then
1887 # Just warnings, no remarks
1889 # -wd: Disable following warnings
1890 # 144, 167, 556: -Wno-pointer-sign
1891 # 10006: ignoring unknown option -fno-signed-zeros
1892 # 10156: ignoring option '-W'; no argument required
1893 check_cflags -wd144,167,556,10006,10156
1894 # 11030: Warning unknown option --as-needed
1895 # 10156: ignoring option '-export'; no argument required
1896 check_ldflags -wd10156,11030
1897 # Allow to compile with optimizations
1898 check_ldflags -march=$cpu
1901 # PIC flags for shared library objects where they are needed
1902 if enabled shared; then
1903 # LIBOBJFLAGS may have already been set in the OS configuration
1904 if test -z "$LIBOBJFLAGS" ; then
1906 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
1911 if enabled gprof; then
1918 # Find out if the .align argument is a power of two or not.
1919 if test $asmalign_pot = "unknown"; then
1920 disable asmalign_pot
1921 echo 'asm (".align 3");' | check_cc && enable asmalign_pot
1924 enabled_any $DECODER_LIST && enable decoders
1925 enabled_any $ENCODER_LIST && enable encoders
1926 enabled_any $BSF_LIST && enable bsfs
1927 enabled_any $DEMUXER_LIST && enable demuxers
1928 enabled_any $MUXER_LIST && enable muxers
1929 enabled_any $FILTER_LIST && enable filters
1930 enabled_any $INDEV_LIST && enable demuxers
1931 enabled_any $OUTDEV_LIST && enable muxers
1932 enabled_any $PROTOCOL_LIST && enable protocols
1934 enabled_any $THREADS_LIST && enable threads
1936 check_deps $CONFIG_LIST \
1949 enabled libdc1394 && append pkg_requires "libraw1394"
1950 enabled libdirac && append pkg_requires "dirac"
1951 enabled libtheora && append pkg_requires "theora"
1952 enabled libvorbis && append pkg_requires "vorbisenc"
1954 echo "install prefix $prefix"
1955 echo "source path $source_path"
1956 echo "C compiler $cc"
1957 echo ".align is power-of-two $asmalign_pot"
1958 echo "ARCH $arch ($cpu)"
1959 if test "$build_suffix" != ""; then
1960 echo "build suffix $build_suffix"
1962 if test "$extra_version" != ""; then
1963 echo "version string suffix $extra_version"
1965 echo "big-endian ${bigendian-no}"
1966 if test $arch = "x86_32" -o $arch = "x86_64"; then
1967 echo "yasm ${yasm-no}"
1968 echo "MMX enabled ${mmx-no}"
1969 echo "CMOV enabled ${cmov-no}"
1970 echo "CMOV is fast ${fast_cmov-no}"
1971 echo "EBX available ${ebx_available-no}"
1972 echo "EBP available ${ebp_available-no}"
1974 if test $arch = "armv4l"; then
1975 echo "ARMv5TE enabled ${armv5te-no}"
1976 echo "ARMv6 enabled ${armv6-no}"
1977 echo "ARM VFP enabled ${armvfp-no}"
1978 echo "IWMMXT enabled ${iwmmxt-no}"
1979 echo "NEON enabled ${neon-no}"
1981 if test $arch = "mips"; then
1982 echo "MMI enabled ${mmi-no}"
1984 if test $arch = "powerpc"; then
1985 echo "AltiVec enabled ${altivec-no}"
1986 echo "dcbzl available ${dcbzl-no}"
1988 echo "gprof enabled ${gprof-no}"
1989 echo "debug symbols ${debug-no}"
1990 echo "strip symbols ${stripping-no}"
1991 echo "optimizations ${optimizations-no}"
1992 echo "static ${static-no}"
1993 echo "shared ${shared-no}"
1994 echo "postprocessing support ${postproc-no}"
1995 echo "software scaler enabled ${swscale-no}"
1996 echo "new filter support ${avfilter-no}"
1997 echo "filters using lavformat ${avfilter_lavf-no}"
1998 echo "video hooking ${vhook-no}"
1999 if enabled vhook; then
2000 echo "Imlib2 support ${imlib2-no}"
2001 echo "FreeType support ${freetype2-no}"
2003 echo "network support ${network-no}"
2004 if enabled network; then
2005 echo "IPv6 support ${ipv6-no}"
2007 echo "threading support ${thread_type-no}"
2008 echo "SDL support ${sdl-no}"
2009 if enabled sdl_too_old; then
2010 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2012 echo "Sun medialib support ${mlib-no}"
2013 echo "AVISynth enabled ${avisynth-no}"
2014 echo "liba52 support ${liba52-no}"
2015 echo "liba52 dlopened ${liba52bin-no}"
2016 echo "libamr-nb support ${libamr_nb-no}"
2017 echo "libamr-wb support ${libamr_wb-no}"
2018 echo "libdc1394 support ${libdc1394-no}"
2019 echo "libdirac enabled ${libdirac-no}"
2020 echo "libfaac enabled ${libfaac-no}"
2021 echo "libfaad enabled ${libfaad-no}"
2022 echo "libfaad dlopened ${libfaadbin-no}"
2023 echo "libgsm enabled ${libgsm-no}"
2024 echo "libmp3lame enabled ${libmp3lame-no}"
2025 echo "libnut enabled ${libnut-no}"
2026 echo "libschroedinger enabled ${libschroedinger-no}"
2027 echo "libtheora enabled ${libtheora-no}"
2028 echo "libvorbis enabled ${libvorbis-no}"
2029 echo "libx264 enabled ${libx264-no}"
2030 echo "libxvid enabled ${libxvid-no}"
2031 echo "zlib enabled ${zlib-no}"
2032 echo "bzlib enabled ${bzlib-no}"
2035 for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
2036 echo "Enabled ${type}s:"
2037 eval list=\$$(toupper $type)_LIST
2038 for part in $list; do
2039 enabled $part && echo ${part%_*}
2040 done | sort | pr -3 -t
2045 if enabled nonfree; then
2046 license="unredistributable"
2047 elif enabled gpl; then
2051 echo "License: $license"
2053 echo "Creating config.mak and config.h..."
2055 echo "# Automatically generated by configure - do not modify!" > config.mak
2056 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2057 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2058 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2059 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2061 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2062 echo "prefix=$prefix" >> config.mak
2063 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2064 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2065 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2066 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2067 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2068 echo "CC=$cc" >> config.mak
2069 echo "YASM=$yasmexe" >> config.mak
2070 echo "AR=$ar" >> config.mak
2071 echo "RANLIB=$ranlib" >> config.mak
2072 echo "LN_S=$ln_s" >> config.mak
2073 enabled stripping &&
2074 echo "STRIP=$strip" >> config.mak ||
2075 echo "STRIP=echo ignoring strip" >> config.mak
2077 echo "OPTFLAGS=$CFLAGS" >> config.mak
2078 echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
2079 echo "LDFLAGS=$LDFLAGS" >> config.mak
2080 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2081 echo "SHFLAGS=$SHFLAGS" >> config.mak
2082 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2083 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
2084 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
2085 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2086 echo "BUILD_STATIC=$static" >> config.mak
2087 echo "BUILDSUF=$build_suffix" >> config.mak
2088 echo "FULLNAME=$FULLNAME" >> config.mak
2089 echo "LIBPREF=$LIBPREF" >> config.mak
2090 echo "LIBSUF=$LIBSUF" >> config.mak
2091 echo "LIBNAME=$LIBNAME" >> config.mak
2092 echo "SLIBPREF=$SLIBPREF" >> config.mak
2093 echo "SLIBSUF=$SLIBSUF" >> config.mak
2094 echo "EXESUF=$EXESUF" >> config.mak
2095 echo "EXTRA_VERSION=$extra_version" >> config.mak
2096 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2098 if enabled bigendian; then
2099 echo "WORDS_BIGENDIAN=yes" >> config.mak
2100 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2103 if enabled sdl; then
2104 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2105 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2107 if enabled texi2html; then
2108 echo "BUILD_DOC=yes" >> config.mak
2113 file=$source_path/$2
2114 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2115 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2116 lcname=$(tolower $name)
2117 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2118 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2121 get_version LIBSWSCALE libswscale/swscale.h
2122 get_version LIBPOSTPROC libpostproc/postprocess.h
2123 get_version LIBAVCODEC libavcodec/avcodec.h
2124 get_version LIBAVDEVICE libavdevice/avdevice.h
2125 get_version LIBAVFORMAT libavformat/avformat.h
2126 get_version LIBAVUTIL libavutil/avutil.h
2127 get_version LIBAVFILTER libavfilter/avfilter.h
2129 if enabled shared; then
2130 echo "BUILD_SHARED=yes" >> config.mak
2131 echo "PIC=-fPIC -DPIC" >> config.mak
2132 echo "LIBTARGET=${LIBTARGET}" >> config.mak
2133 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2134 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2135 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2136 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2137 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2138 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2139 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2141 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2142 echo "EXTRALIBS=$extralibs" >> config.mak
2144 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2145 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2146 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2158 echo "#define restrict $_restrict" >> $TMPH
2160 if enabled small; then
2161 echo "#define av_always_inline" >> $TMPH
2164 echo "SRC_PATH=\"$source_path\"" >> config.mak
2165 echo "SRC_PATH_BARE=$source_path" >> config.mak
2166 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2168 # Apparently it's not possible to portably echo a backslash.
2169 enabled asmalign_pot &&
2170 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2171 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2173 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2175 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2177 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2178 cmp -s $TMPH config.h &&
2179 echo "config.h is unchanged" ||
2180 mv -f $TMPH config.h
2182 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
2184 # build tree in object directory if source path is different from current one
2185 if enabled source_path_used; then
2212 libavcodec/Makefile \
2213 libavdevice/Makefile \
2214 libavfilter/Makefile \
2215 libavformat/Makefile \
2216 libavutil/Makefile \
2217 libpostproc/Makefile \
2218 libswscale/Makefile \
2220 for dir in $DIRS ; do
2223 for f in $FILES ; do
2224 $ln_s "$source_path/$f" $f
2229 # build pkg-config files
2231 pkgconfig_generate(){
2233 shortname=${name#lib}
2238 cat <<EOF > $name/$name.pc
2240 exec_prefix=\${prefix}
2245 Description: $comment
2247 Requires: $(disabled shared && echo $requires)
2248 Requires.private: $(enabled shared && echo $requires)
2250 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2251 Libs.private: $(enabled shared && echo $libs)
2252 Cflags: -I\${includedir}
2254 cat <<EOF > $name/$name-uninstalled.pc
2257 libdir=\${pcfiledir}
2258 includedir=${source_path}
2261 Description: $comment
2265 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2266 Cflags: -I\${includedir}
2270 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2271 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2272 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2273 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$pkg_requires libavformat = $LIBAVFORMAT_VERSION"
2275 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2277 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2278 if enabled swscale; then
2279 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
2281 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2282 apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/