3 # FFmpeg configure script
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 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 " --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]"
68 echo " --libdir=DIR install libs in DIR [PREFIX/lib]"
69 echo " --shlibdir=DIR install shared libs in DIR [PREFIX/lib]"
70 echo " --incdir=DIR install includes in DIR [PREFIX/include]"
71 echo " --mandir=DIR install man page in DIR [PREFIX/share/man]"
73 echo "Configuration options:"
74 echo " --disable-static do not build static libraries [no]"
75 echo " --enable-shared build shared libraries [no]"
76 echo " --enable-gpl allow use of GPL code, the resulting libs"
77 echo " and binaries will be under GPL [no]"
78 echo " --enable-nonfree allow use of nonfree code, the resulting libs"
79 echo " and binaries will be unredistributable [no]"
80 echo " --disable-ffmpeg disable ffmpeg build"
81 echo " --disable-ffplay disable ffplay build"
82 echo " --disable-ffserver disable ffserver build"
83 echo " --enable-postproc enable GPLed postprocessing support [no]"
84 echo " --enable-swscale enable GPLed software scaler support [no]"
85 echo " --enable-avfilter video filter support (replaces vhook) [no]"
86 echo " --enable-avfilter-lavf video filters dependent on avformat [no]"
87 echo " --disable-vhook disable video hooking support"
88 echo " --enable-beosthreads use BeOS threads [no]"
89 echo " --enable-os2threads use OS/2 threads [no]"
90 echo " --enable-pthreads use pthreads [no]"
91 echo " --enable-w32threads use Win32 threads [no]"
92 echo " --enable-x11grab enable X11 grabbing [no]"
93 echo " --enable-vdpau enable VDPAU support [no]"
94 echo " --disable-network disable network support [no]"
95 echo " --disable-ipv6 disable IPv6 support [no]"
96 echo " --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]"
97 echo " --enable-gray enable full grayscale support (slower color)"
98 echo " --enable-fastdiv enable table-based division"
99 echo " --enable-small optimize for size instead of speed"
100 echo " --disable-aandct disable AAN DCT code"
101 echo " --disable-fft disable FFT code"
102 echo " --disable-golomb disable Golomb code"
103 echo " --disable-mdct disable MDCT code"
104 echo " --disable-rdft disable RDFT code"
105 echo " --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
106 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
107 echo " --enable-beos-netserver enable BeOS netserver"
108 echo " --disable-encoder=NAME disable encoder NAME"
109 echo " --enable-encoder=NAME enable encoder NAME"
110 echo " --disable-encoders disable all encoders"
111 echo " --disable-decoder=NAME disable decoder NAME"
112 echo " --enable-decoder=NAME enable decoder NAME"
113 echo " --disable-decoders disable all decoders"
114 echo " --disable-muxer=NAME disable muxer NAME"
115 echo " --enable-muxer=NAME enable muxer NAME"
116 echo " --disable-muxers disable all muxers"
117 echo " --disable-demuxer=NAME disable demuxer NAME"
118 echo " --enable-demuxer=NAME enable demuxer NAME"
119 echo " --disable-demuxers disable all demuxers"
120 echo " --enable-parser=NAME enable parser NAME"
121 echo " --disable-parser=NAME disable parser NAME"
122 echo " --disable-parsers disable all parsers"
123 echo " --enable-bsf=NAME enable bitstream filter NAME"
124 echo " --disable-bsf=NAME disable bitstream filter NAME"
125 echo " --disable-bsfs disable all bitstream filters"
126 echo " --enable-protocol=NAME enable protocol NAME"
127 echo " --disable-protocol=NAME disable protocol NAME"
128 echo " --disable-protocols disable all protocols"
129 echo " --disable-indevs disable input devices"
130 echo " --disable-outdevs disable output devices"
131 echo " --disable-devices disable all devices"
132 echo " --enable-filter=NAME enable filter NAME"
133 echo " --disable-filter=NAME disable filter NAME"
134 echo " --disable-filters disable all filters"
135 echo " --list-decoders show all available decoders"
136 echo " --list-encoders show all available encoders"
137 echo " --list-muxers show all available muxers"
138 echo " --list-demuxers show all available demuxers"
139 echo " --list-parsers show all available parsers"
140 echo " --list-protocols show all available protocols"
141 echo " --list-bsfs show all available bitstream filters"
142 echo " --list-indevs show all available input devices"
143 echo " --list-outdevs show all available output devices"
144 echo " --list-filters show all available filters"
146 echo "External library support:"
147 echo " --enable-avisynth enable reading of AVISynth script files [no]"
148 echo " --enable-bzlib enable bzlib [autodetect]"
149 echo " --enable-libamr-nb enable libamr-nb floating point audio codec [no]"
150 echo " --enable-libamr-wb enable libamr-wb floating point audio codec [no]"
151 echo " --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394"
152 echo " and libraw1394 [no]"
153 echo " --enable-libdirac enable Dirac support via libdirac [no]"
154 echo " --enable-libfaac enable FAAC support via libfaac [no]"
155 echo " --enable-libfaad enable FAAD support via libfaad [no]"
156 echo " --enable-libfaadbin open libfaad.so.0 at runtime [no]"
157 echo " --enable-libgsm enable GSM support via libgsm [no]"
158 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [no]"
159 echo " --enable-libnut enable NUT (de)muxing via libnut,"
160 echo " native (de)muxer exists [no]"
161 echo " --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]"
162 echo " --enable-libschroedinger enable Dirac support via libschroedinger [no]"
163 echo " --enable-libspeex enable Speex decoding via libspeex [no]"
164 echo " --enable-libtheora enable Theora encoding via libtheora [no]"
165 echo " --enable-libvorbis enable Vorbis encoding via libvorbis,"
166 echo " native implementation exists [no]"
167 echo " --enable-libx264 enable H.264 encoding via x264 [no]"
168 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
169 echo " native MPEG-4/Xvid encoder exists [no]"
170 echo " --enable-mlib enable Sun medialib [no]"
171 echo " --enable-zlib enable zlib [autodetect]"
173 echo "Advanced options (experts only):"
174 echo " --source-path=PATH path to source code [$source_path]"
175 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
176 echo " --enable-cross-compile assume a cross-compiler is used"
177 echo " --sysroot=PATH root of cross-build tree"
178 echo " --sysinclude=PATH location of cross-build system headers"
179 echo " --target-os=OS compiler targets OS [$target_os]"
180 echo " --target-exec=CMD command to run executables on target"
181 echo " --target-path=DIR path to view of build directory on target"
182 echo " --nm=NM use nm tool"
183 echo " --cc=CC use C compiler CC [$cc_default]"
184 echo " --host-cc=HOSTCC use host C compiler HOSTCC"
185 echo " --host-cflags=HCFLAGS use HCFLAGS when compiling for host"
186 echo " --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host"
187 echo " --host-libs=HLIBS use libs HLIBS when linking for host"
188 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
189 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
190 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
191 echo " --extra-version=STRING version string suffix []"
192 echo " --build-suffix=SUFFIX library name suffix []"
193 echo " --arch=ARCH select architecture [$arch]"
194 echo " --cpu=CPU select the minimum required CPU (affects"
195 echo " instruction selection, may crash on older CPUs)"
196 echo " --enable-powerpc-perf enable performance report on PPC"
197 echo " (requires enabling PMC)"
198 echo " --disable-altivec disable AltiVec optimizations"
199 echo " --disable-amd3dnow disable 3DNow! optimizations"
200 echo " --disable-amd3dnowext disable 3DNow! extended optimizations"
201 echo " --disable-mmx disable MMX optimizations"
202 echo " --disable-mmx2 disable MMX2 optimizations"
203 echo " --disable-sse disable SSE optimizations"
204 echo " --disable-ssse3 disable SSSE3 optimizations"
205 echo " --disable-armv5te disable armv5te optimizations"
206 echo " --disable-armv6 disable armv6 optimizations"
207 echo " --disable-armv6t2 disable armv6t2 optimizations"
208 echo " --disable-armvfp disable ARM VFP optimizations"
209 echo " --disable-iwmmxt disable iwmmxt optimizations"
210 echo " --disable-mmi disable MMI optimizations"
211 echo " --disable-neon disable neon optimizations"
212 echo " --disable-vis disable VIS optimizations"
213 echo " --disable-yasm disable use of yasm assembler"
215 echo "Developer options (useful when working on FFmpeg itself):"
216 echo " --disable-debug disable debugging symbols"
217 echo " --enable-debug=LEVEL set the debug level [$debuglevel]"
218 echo " --enable-gprof enable profiling with gprof [$gprof]"
219 echo " --disable-optimizations disable compiler optimizations"
220 echo " --enable-extra-warnings enable more compiler warnings"
221 echo " --disable-stripping disable stripping of executables and shared libraries"
223 echo "NOTE: Object files are built at the place where configure is launched."
228 echo "$@" >> $logfile
233 pr -n -t $1 >> $logfile
245 If you think configure made a mistake, make sure you are using the latest
246 version from SVN. If the latest version fails, report the problem to the
247 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
249 if disabled logging; then
251 Rerun configure with logging enabled (do not use --disable-logging), and
252 include the log this produces with your report.
256 Include the log file "$logfile" produced by configure as this will help
260 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
264 # Avoid locale weirdness, besides we really just want to translate ASCII.
266 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
270 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
274 echo "$*" | sed 's/["\\]/\\\0/g'
289 eval : \${$var:=$value}
295 eval level=\${${var}_level:=0}
296 eval ${var}_${level}="\$$var"
297 eval ${var}_level=$(($level+1))
303 eval level=\${${var}_level:-0}
304 test $level = 0 && continue
305 eval level=$(($level-1))
306 eval $var="\${${var}_${level}}"
307 eval ${var}_level=$level
308 eval unset ${var}_${level}
330 enabled $var && continue
331 eval sel="\$${var}_select"
332 eval sgs="\$${var}_suggest"
336 enable_deep_weak $sgs
352 test "${1#!}" = "$1" && op== || op=!=
353 eval test "x\$${1#!}" $op "xyes"
357 test "${1#!}" = "$1" && op== || op=!=
358 eval test "x\$${1#!}" $op "xno"
363 enabled $opt || return 1
369 disabled $opt || return 1
375 enabled $opt && return 0
381 disabled $opt && return 0
388 eval : \${$opt:=\$${opt}_default}
396 [ $var = $value ] && return 0
404 enabled ${cfg}_checking && die "Circular dependency for $cfg."
405 disabled ${cfg}_checking && continue
406 enable ${cfg}_checking
408 eval dep_all="\$${cfg}_deps"
409 eval dep_any="\$${cfg}_deps_any"
410 eval dep_sel="\$${cfg}_select"
411 eval dep_sgs="\$${cfg}_suggest"
413 pushvar cfg dep_all dep_any dep_sel dep_sgs
414 check_deps $dep_all $dep_any $dep_sel $dep_sgs
415 popvar cfg dep_all dep_any dep_sel dep_sgs
417 enabled_all $dep_all || disable $cfg
418 enabled_any $dep_any || disable $cfg
419 disabled_any $dep_sel && disable $cfg
421 if enabled $cfg; then
422 eval dep_extralibs="\$${cfg}_extralibs"
423 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
425 enable_deep_weak $dep_sgs
428 disable ${cfg}_checking
438 ucname="`toupper $cfg`"
439 if enabled $cfg; then
440 echo "#define ${pfx}${ucname} 1" >> $header
441 echo "${pfx}${ucname}=yes" >> $makefile
443 echo "#define ${pfx}${ucname} 0" >> $header
449 (: ${SAVE_CFLAGS?}) 2> /dev/null
453 flags_saved && return
454 SAVE_CFLAGS="$CFLAGS"
455 SAVE_LDFLAGS="$LDFLAGS"
456 SAVE_extralibs="$extralibs"
460 flags_saved || return
461 CFLAGS="$SAVE_CFLAGS"
462 LDFLAGS="$SAVE_LDFLAGS"
463 extralibs="$SAVE_extralibs"
476 LDFLAGS="$LDFLAGS $*"
481 extralibs="$extralibs $*"
487 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
488 eval "$var=\"\$$var $*\""
500 append extralibs "$@"
505 "$@" >> $logfile 2>&1
512 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
519 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
527 check_cc "$@" <<EOF && enable $name || disable $name
528 void foo(void){ __asm__ volatile($asm); }
537 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
546 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
548 check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
552 log check_cflags "$@"
553 check_cc "$@" <<EOF && add_cflags "$@"
559 log check_ldflags "$@"
560 check_ld "$@" <<EOF && add_ldflags "$@"
561 int main(void){ return 0; }
566 log check_header "$@"
569 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
571 check_cpp "$@" <<EOF && enable $var
582 check_ld "$@" <<EOF && enable $func
584 int main(void){ $func(); }
588 check_func_headers(){
589 log check_func_headers "$@"
595 for hdr in $headers; do
599 check_ld "$@" <<EOF && enable $func
601 int main(int argc, char **argv){
608 check_cpp_condition(){
609 log check_cpp_condition "$@"
615 #error "unsatisfied condition: $condition"
626 check_header $header && check_func $func && add_extralibs "$@"
638 check_func_headers "$headers" $func && add_extralibs "$@"
645 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
651 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
652 # are safe but may not be available everywhere. Thus we use
653 # raise(SIGTERM) instead. The check is run in a subshell so we
654 # can redirect the "Terminated" message from the shell. SIGBUS
655 # is not defined by standard C so it is used conditionally.
657 (check_exec "$@") >> $logfile 2>&1 <<EOF
659 static void sighandler(int sig){
663 signal(SIGILL, sighandler);
664 signal(SIGFPE, sighandler);
665 signal(SIGSEGV, sighandler);
667 signal(SIGBUS, sighandler);
681 for hdr in $headers; do
685 check_cc "$@" <<EOF && enable $type
696 check_lib $header $func "$@" || die "ERROR: $name not found"
704 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
714 check_cmd ${pkg}-config --version
716 if test "$err" = 0; then
717 temp_cflags `${pkg}-config --cflags`
718 temp_extralibs `${pkg}-config --libs`
719 check_lib "$@" $header $func && enable $cfg
727 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
730 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
731 # system-dependent things.
856 dev_bktr_ioctl_bt848_h
857 dev_bktr_ioctl_meteor_h
859 dev_video_meteor_ioctl_meteor_h
860 dev_video_bktr_ioctl_bt848_h
882 machine_ioctl_bt848_h
883 machine_ioctl_meteor_h
911 # options emitted with CONFIG_ prefix but not available on command line
961 # code dependency declarations
963 # architecture extensions
966 amd3dnowext_deps="amd3dnow"
982 oldscaler_deps="!swscale"
984 # decoders / encoders
985 aac_decoder_select="fft mdct"
986 ac3_decoder_deps="gpl"
987 ac3_decoder_select="fft mdct"
988 atrac3_decoder_select="fft mdct"
989 cavs_decoder_select="golomb"
990 cook_decoder_select="fft mdct"
991 cscd_decoder_suggest="zlib"
992 dca_decoder_select="fft mdct"
993 dnxhd_encoder_select="aandct"
994 dxa_decoder_select="zlib"
995 eac3_decoder_deps="gpl"
996 eac3_decoder_select="fft mdct"
997 eatgq_decoder_select="aandct"
998 eatqi_decoder_select="aandct"
999 ffv1_decoder_select="golomb"
1000 flac_decoder_select="golomb"
1001 flac_encoder_select="golomb"
1002 flashsv_decoder_select="zlib"
1003 flashsv_encoder_select="zlib"
1004 flv_encoder_select="aandct"
1005 h261_encoder_select="aandct"
1006 h263_encoder_select="aandct"
1007 h263p_encoder_select="aandct"
1008 h264_decoder_select="golomb"
1009 h264_vdpau_decoder_deps="vdpau"
1010 imc_decoder_select="fft mdct"
1011 jpegls_decoder_select="golomb"
1012 jpegls_encoder_select="golomb"
1013 ljpeg_encoder_select="aandct"
1014 loco_decoder_select="golomb"
1015 mjpeg_encoder_select="aandct"
1016 mpeg1video_encoder_select="aandct"
1017 mpeg2video_encoder_select="aandct"
1018 mpeg4_encoder_select="aandct"
1019 mpeg_vdpau_decoder_deps="vdpau"
1020 mpeg1_vdpau_decoder_deps="vdpau"
1021 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1022 msmpeg4v1_encoder_select="aandct"
1023 msmpeg4v2_encoder_select="aandct"
1024 msmpeg4v3_encoder_select="aandct"
1025 nellymoser_decoder_select="fft mdct"
1026 nellymoser_encoder_select="fft mdct"
1027 png_decoder_select="zlib"
1028 png_encoder_select="zlib"
1029 qdm2_decoder_select="fft mdct rdft"
1030 rv10_encoder_select="aandct"
1031 rv20_encoder_select="aandct"
1032 rv30_decoder_select="golomb"
1033 rv40_decoder_select="golomb"
1034 shorten_decoder_select="golomb"
1035 sonic_decoder_select="golomb"
1036 sonic_encoder_select="golomb"
1037 sonic_ls_encoder_select="golomb"
1038 svq3_decoder_select="golomb"
1039 svq3_decoder_suggest="zlib"
1040 tiff_decoder_suggest="zlib"
1041 tiff_encoder_suggest="zlib"
1042 tscc_decoder_select="zlib"
1043 vc1_vdpau_decoder_deps="vdpau"
1044 vorbis_decoder_select="fft mdct"
1045 vorbis_encoder_select="fft mdct"
1046 wmav1_decoder_select="fft mdct"
1047 wmav1_encoder_select="fft mdct"
1048 wmav2_decoder_select="fft mdct"
1049 wmav2_encoder_select="fft mdct"
1050 wmv1_encoder_select="aandct"
1051 wmv2_encoder_select="aandct"
1052 wmv3_vdpau_decoder_deps="vdpau"
1053 zlib_decoder_select="zlib"
1054 zlib_encoder_select="zlib"
1055 zmbv_decoder_select="zlib"
1056 zmbv_encoder_select="zlib"
1058 # external libraries
1059 libamr_nb_decoder_deps="libamr_nb"
1060 libamr_nb_encoder_deps="libamr_nb"
1061 libamr_wb_decoder_deps="libamr_wb"
1062 libamr_wb_encoder_deps="libamr_wb"
1063 libdirac_decoder_deps="libdirac !libschroedinger"
1064 libdirac_encoder_deps="libdirac"
1065 libfaac_encoder_deps="libfaac"
1066 libfaad_decoder_deps="libfaad"
1067 libfaadbin_decoder_extralibs='$ldl'
1068 libgsm_decoder_deps="libgsm"
1069 libgsm_encoder_deps="libgsm"
1070 libgsm_ms_decoder_deps="libgsm"
1071 libgsm_ms_encoder_deps="libgsm"
1072 libmp3lame_encoder_deps="libmp3lame"
1073 libopenjpeg_decoder_deps="libopenjpeg"
1074 libschroedinger_decoder_deps="libschroedinger"
1075 libschroedinger_encoder_deps="libschroedinger"
1076 libspeex_decoder_deps="libspeex"
1077 libtheora_encoder_deps="libtheora"
1078 libvorbis_encoder_deps="libvorbis"
1079 libx264_encoder_deps="libx264"
1080 libxvid_encoder_deps="libxvid"
1081 mpeg4aac_decoder_deps="libfaad"
1082 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1085 ac3_demuxer_deps="ac3_parser"
1086 alsa_demuxer_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1087 alsa_demuxer_extralibs="-lasound"
1088 alsa_muxer_deps="alsa_asoundlib_h"
1089 alsa_muxer_extralibs="-lasound"
1090 audio_beos_demuxer_deps="audio_beos"
1091 audio_beos_demuxer_extralibs="-lmedia -lbe"
1092 audio_beos_muxer_deps="audio_beos"
1093 audio_beos_muxer_extralibs="-lmedia -lbe"
1094 avisynth_demuxer_deps="avisynth"
1095 bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1096 dirac_demuxer_deps="dirac_parser"
1097 dv1394_demuxer_deps="dv1394 dv_demuxer"
1098 libdc1394_demuxer_deps="libdc1394"
1099 libnut_demuxer_deps="libnut"
1100 libnut_muxer_deps="libnut"
1101 matroska_demuxer_suggest="zlib bzlib"
1102 mov_demuxer_suggest="zlib"
1103 mp3_demuxer_deps="mpegaudio_parser"
1104 oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
1105 oss_muxer_deps_any="soundcard_h sys_soundcard_h"
1106 redir_demuxer_deps="network"
1107 rtp_muxer_deps="network rtp_protocol"
1108 rtsp_demuxer_deps="sdp_demuxer"
1109 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1110 v4l_demuxer_deps="linux_videodev_h"
1111 v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
1112 vfwcap_demuxer_deps="capCreateCaptureWindow"
1113 vfwcap_demuxer_extralibs="-lvfw32"
1114 x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
1115 x11_grab_device_demuxer_extralibs="-lX11 -lXext"
1118 gopher_protocol_deps="network"
1119 http_protocol_deps="network"
1120 rtp_protocol_deps="udp_protocol"
1121 tcp_protocol_deps="network"
1122 udp_protocol_deps="network"
1125 movie_filter_deps="avfilter_lavf"
1129 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1130 ffserver_extralibs='$ldl'
1131 vhook_extralibs='$ldl'
1134 # default parameters
1136 logfile="config.err"
1138 # installation paths
1139 prefix_default="/usr/local"
1140 bindir_default='${prefix}/bin'
1141 datadir_default='${prefix}/share/ffmpeg'
1142 incdir_default='${prefix}/include'
1143 libdir_default='${prefix}/lib'
1144 mandir_default='${prefix}/share/man'
1145 shlibdir_default="$libdir_default"
1150 host_cc_default="gcc"
1163 target_os=$(tolower $(uname -s))
1165 # configurable options
1174 enable optimizations
1181 add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1182 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1183 VHOOKSHFLAGS='$(SHFLAGS)'
1184 FFSERVERLDFLAGS=-Wl,-E
1187 FULLNAME='$(NAME)$(BUILDSUF)'
1188 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1191 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1192 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1193 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1194 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1196 host_cflags='-O3 -g -Wall'
1201 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1202 # full relative path for objects in subdirectories for non-recursive Make.
1203 DEPEND_CMD='$(CC) $(CFLAGS) -MM $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1206 source_path="`dirname \"$0\"`"
1207 enable source_path_used
1208 if test -z "$source_path" -o "$source_path" = "." ; then
1210 disable source_path_used
1212 source_path="`cd \"$source_path\"; pwd`"
1213 echo "$source_path" | grep -q '[[:blank:]]' &&
1214 die "Out of tree builds are impossible with whitespace in source path."
1217 FFMPEG_CONFIGURATION="$@"
1222 file=$source_path/$3
1223 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1226 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1227 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1228 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1229 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1230 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1231 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1232 OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
1233 INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
1234 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1235 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1237 enable $ARCH_EXT_LIST \
1250 echo "Unknown option \"$1\"."
1251 echo "See $0 --help for available options."
1258 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1265 --extra-cflags=*) add_cflags $optval
1267 --extra-ldflags=*) add_ldflags $optval
1269 --extra-libs=*) add_extralibs $optval
1271 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1273 --enable-debug=*) debuglevel="$optval"
1275 --enable-*=*|--disable-*=*)
1276 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1278 encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1279 *) die_unknown "$opt" ;;
1282 --enable-?*|--disable-?*)
1283 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1284 if is_in $option $COMPONENT_LIST; then
1285 eval $action \$$(toupper ${option%s})_LIST
1286 elif is_in $option $CMDLINE_SELECT; then
1293 NAME="${opt#--list-}"
1294 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1296 eval show_list $NAME \$$(toupper $NAME)_LIST
1298 --help|-h) show_help
1301 optname="${opt%%=*}"
1302 optname="${optname#--}"
1303 optname=$(echo "$optname" | sed 's/-/_/g')
1304 is_in $optname $CMDLINE_SET || die_unknown $opt
1305 eval $optname='$optval'
1310 disabled logging && logfile=/dev/null
1312 echo "# $0 $@" > $logfile
1315 test -n "$cross_prefix" && enable cross_compile
1317 ar="${cross_prefix}${ar}"
1318 cc_default="${cross_prefix}${cc_default}"
1319 nm_default="${cross_prefix}${nm_default}"
1320 ranlib="${cross_prefix}${ranlib}"
1321 strip="${cross_prefix}${strip}"
1323 sysinclude_default="${sysroot}/usr/include"
1325 set_default cc nm sysinclude
1326 enabled cross_compile || host_cc_default=$cc
1330 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) EXESUF=.exe ;;
1333 # set temporary file name
1334 : ${TMPDIR:=$TEMPDIR}
1338 TMPC="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1339 TMPE="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1340 TMPH="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1341 TMPO="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1342 TMPS="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1343 TMPSH="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
1345 # make sure we can execute files in $TMPDIR
1346 cat > $TMPSH 2>> $logfile <<EOF
1349 chmod +x $TMPSH >> $logfile 2>&1
1350 if ! $TMPSH >> $logfile 2>&1; then
1352 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1353 variable to another directory and make sure that it is not mounted noexec.
1355 die "Sanity test failed."
1359 if $cc --version 2>/dev/null | grep -q '(GCC)'; then
1361 elif $cc --version 2>/dev/null | grep -q Intel; then
1363 elif $cc -v 2>&1 | grep -q xlc; then
1367 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1369 # compiler sanity check
1371 int main(void){ return 0; }
1373 if test "$?" != 0; then
1374 echo "$cc is unable to create an executable file."
1375 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1376 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1377 echo "Only do this if you know what cross compiling means."
1379 die "C compiler test failed."
1382 check_cflags -std=c99
1419 "Power Macintosh"|ppc|powerpc)
1421 enable fast_unaligned
1426 enable fast_unaligned
1442 i386|i486|i586|i686|i86pc|BePC)
1445 enable fast_unaligned
1452 enable fast_unaligned
1453 check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1454 int test[sizeof(char*) - 7];
1462 enable $arch $subarch
1467 prefix_default="$HOME/config"
1468 # helps building libavcodec
1469 add_cflags -DPIC -fomit-frame-pointer
1470 # 3 gcc releases known for BeOS, each with ugly bugs
1471 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1472 case "$gcc_version" in
1473 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1476 *20010315*) echo "BeBits gcc"
1477 add_cflags -fno-expensive-optimizations
1481 # enable BeOS things
1483 # no need for libm, but the inet stuff
1485 # XXX: actually should check for NOT net_server
1486 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1487 network_extralibs="-lbind -lsocket"
1489 enable beos_netserver
1490 network_extralibs="-lnet"
1494 SHFLAGS='-shared -Wl,-h,$$(@F)'
1495 network_extralibs="-lsocket -lnsl"
1496 add_cflags -D__EXTENSIONS__
1499 oss_demuxer_extralibs="-lossaudio"
1500 oss_muxer_extralibs="-lossaudio"
1503 disable need_memalign
1504 LIBOBJFLAGS='$(PIC)'
1506 oss_demuxer_extralibs="-lossaudio"
1507 oss_muxer_extralibs="-lossaudio"
1510 disable need_memalign
1513 osextralibs="-lpoll -lgnugetopt"
1517 disable need_memalign
1518 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1519 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
1521 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1523 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1524 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1525 FFSERVERLDFLAGS=-Wl,-bind_at_load
1527 enabled x86_64 && objformat="macho64"
1532 if enabled x86_64; then
1533 disable need_memalign
1536 shlibdir_default="$bindir_default"
1537 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1538 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1539 if enabled swscale; then
1540 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1541 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1546 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1547 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1548 SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1549 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1550 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1551 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1552 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1555 if ! enabled x86_64; then
1556 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1557 die "ERROR: MinGW runtime version must be >= 3.15."
1558 enabled_any avisynth vfwcap_demuxer &&
1559 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1560 die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1565 shlibdir_default="$bindir_default"
1566 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1567 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1568 if enabled swscale; then
1569 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1570 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1574 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1575 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1576 SHFLAGS='-shared -Wl,--enable-auto-image-base'
1580 *-dos|freedos|opendos)
1581 disable ffplay ffserver vhook
1582 disable $INDEV_LIST $OUTDEV_LIST
1583 network_extralibs="-lsocket"
1592 ranlib="echo ignoring ranlib"
1597 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1598 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1603 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1604 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1605 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1606 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1607 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1608 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1609 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1610 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1611 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1612 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1613 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1614 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1623 die "Unknown OS '$target_os'."
1627 set_default $PATHS_LIST
1629 add_extralibs $osextralibs
1631 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1632 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1634 # we need to build at least one lib type
1635 if ! enabled_any static shared; then
1637 At least one library type must be built.
1638 Specify --enable-static to build the static libraries or --enable-shared to
1639 build the shared libraries as well. To only build the shared libraries specify
1640 --disable-static in addition to --enable-shared.
1645 disabled static && LIBNAME=""
1647 if enabled_any libfaad libfaadbin ; then
1648 if check_header faad.h; then
1651 #ifndef FAAD2_VERSION
1654 int main(void) { return 0; }
1656 test $? = 0 && enable libfaad2
1658 die "FAAD test failed."
1663 if ! enabled gpl; then
1667 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1669 die_gpl_disabled "The Postprocessing code" postproc
1670 die_gpl_disabled "libx264" libx264
1671 die_gpl_disabled "libxvidcore" libxvid
1672 die_gpl_disabled "FAAD2" libfaad2
1673 die_gpl_disabled "The X11 grabber" x11grab
1674 die_gpl_disabled "The software scaler" swscale
1677 if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1678 die "libamr is nonfree and --enable-nonfree is not specified."
1681 check_deps $ARCH_EXT_LIST
1683 test -z "$need_memalign" && need_memalign="$mmx"
1686 if test $target_os = darwin; then
1687 if enabled xlc; then
1688 add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
1691 check_cflags -force_cpusubtype_ALL
1692 check_cflags -Wno-sign-compare
1693 enabled shared || check_cflags -mdynamic-no-pic
1697 disabled optimizations || check_cflags -fomit-frame-pointer
1699 # Add processor-specific flags
1700 if test $cpu != "generic"; then
1702 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1705 601|ppc601|PowerPC601)
1706 add_cflags -mcpu=601
1707 warn_altivec enabled PPC601
1709 603*|ppc603*|PowerPC603*)
1710 add_cflags -mcpu=603
1711 warn_altivec enabled PPC603
1713 604*|ppc604*|PowerPC604*)
1714 add_cflags -mcpu=604
1715 warn_altivec enabled PPC604
1717 G3|g3|75*|ppc75*|PowerPC75*)
1718 add_cflags -mcpu=750 -mpowerpc-gfxopt
1719 warn_altivec enabled PPC75x
1721 G4|g4|745*|ppc745*|PowerPC745*)
1722 add_cflags -mcpu=7450 -mpowerpc-gfxopt
1723 warn_altivec disabled PPC745x
1725 74*|ppc74*|PowerPC74*)
1726 add_cflags -mcpu=7400 -mpowerpc-gfxopt
1727 warn_altivec disabled PPC74xx
1729 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1730 add_cflags -mcpu=970 -mpowerpc-gfxopt -mpowerpc64
1731 warn_altivec disabled PPC970
1735 add_cflags -mcpu=cell
1736 warn_altivec disabled Cell
1739 # targets that do NOT support conditional mov (cmov)
1740 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1741 add_cflags -march=$cpu
1744 # targets that do support conditional mov (cmov)
1745 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1746 add_cflags -march=$cpu
1750 # targets that do support conditional mov but on which it's slow
1751 pentium4|pentium4m|prescott|nocona)
1752 add_cflags -march=$cpu
1760 add_cflags -mcpu=$cpu
1761 enable fast_unaligned
1764 add_cflags -march=$cpu
1767 add_cflags -mcpu=$cpu
1769 ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1770 add_cflags -mcpu=$cpu
1773 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1778 check_cc <<EOF || die "Symbol mangling check failed."
1781 sym=$($nm -P -g $TMPO | grep ff_extern)
1782 extern_prefix=${sym%%ff_extern*}
1784 check_asm inline_asm '""'
1786 if enabled x86; then
1787 # check whether EBP is available on x86
1788 # As 'i' is stored on the stack, this program will crash
1789 # if the base pointer is used to access it because the
1790 # base pointer is cleared in the inline assembly code.
1791 check_exec_crash <<EOF && enable ebp_available
1799 # check wether EBX is available on x86
1800 check_asm ebx_available '"":::"%ebx"'
1802 # check whether more than 10 operands are supported
1803 check_cc <<EOF && enable ten_operands
1808 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
1814 # check whether binutils is new enough to compile SSSE3/MMX2
1815 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1816 enabled mmx2 && check_asm mmx2 '"movss %xmm0, %xmm0"'
1818 check_asm bswap '"bswap %%eax" ::: "%eax"'
1820 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
1821 enabled x86_64 && append YASMFLAGS "-m amd64"
1822 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1823 case "$objformat" in
1824 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1825 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
1826 *) append YASMFLAGS "-DPREFIX" ;;
1828 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
1831 # check for assembler specific support
1833 enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
1834 enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
1836 # check for SIMD availability
1838 # AltiVec flags: The FSF version of GCC differs from the Apple version
1839 if enabled altivec; then
1840 check_cflags -maltivec -mabi=altivec &&
1841 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1842 check_cflags -faltivec
1844 # check if our compiler supports Motorola AltiVec C API
1845 check_cc <<EOF || disable altivec
1848 vector signed int v1, v2, v3;
1849 v1 = vec_add(v2,v3);
1854 # check if our compiler supports braces for vector declarations
1855 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1857 int main (void) { (vector int) {1}; return 0; }
1861 # We have to check if pld is a nop and disable it.
1862 enabled arm && check_asm pld '"pld [r0]"'
1863 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1864 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
1865 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
1866 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
1867 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1868 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
1869 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
1870 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1872 enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
1875 # big/little-endian test
1876 check_cc <<EOF || die "endian test failed"
1877 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1879 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1882 # check availability of some header files
1884 if check_func dlopen; then
1886 elif check_func dlopen -ldl; then
1891 check_func gethrtime
1892 check_func getrusage
1893 check_func inet_aton $network_extralibs
1896 check_func posix_memalign
1897 check_func_headers io.h setmode
1898 check_func_headers windows.h GetProcessTimes
1900 check_header conio.h
1901 check_header dlfcn.h
1902 check_header malloc.h
1904 check_header sys/mman.h
1905 check_header sys/resource.h
1906 check_header sys/select.h
1907 check_header termios.h
1908 check_header vdpau/vdpau.h
1909 check_header vdpau/vdpau_x11.h
1910 check_header X11/extensions/XvMClib.h
1912 if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
1913 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
1916 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
1917 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1919 # check for some common methods of building with pthread support
1920 # do this before the optional library checks as some of them require pthreads
1921 if enabled pthreads; then
1922 if check_func pthread_create; then
1924 elif check_func pthread_create -pthread; then
1926 add_extralibs -pthread
1927 elif check_func pthread_create -pthreads; then
1928 add_cflags -pthreads
1929 add_extralibs -pthreads
1930 elif check_func pthread_create -lpthreadGC2; then
1931 add_extralibs -lpthreadGC2
1932 elif ! check_lib pthread.h pthread_create -lpthread; then
1933 die "ERROR: can't find pthreads library"
1937 for thread in $THREADS_LIST; do
1938 if enabled $thread; then
1939 test -n "$thread_type" &&
1940 die "ERROR: Only one thread type must be selected." ||
1941 thread_type="$thread"
1945 check_lib math.h sin -lm
1947 # test for C99 functions in math.h
1948 for func in llrint lrint lrintf round roundf truncf; do
1949 check_exec <<EOF && enable $func || disable $func
1951 int main(void) { return ($func(3.999f) > 0)?0:1; }
1955 # these are off by default, so fail if requested and not available
1956 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1957 enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1958 enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1959 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
1960 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
1961 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
1962 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1963 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
1964 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1965 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
1966 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
1967 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
1968 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
1969 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
1970 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
1971 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1972 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
1973 enabled libx264 && require libx264 x264.h x264_encoder_open -lx264 -lm &&
1974 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
1975 die "ERROR: libx264 version must be >= 0.65."; }
1976 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
1977 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1980 if enabled libdc1394; then
1981 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1982 enable libdc1394_2; } ||
1983 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1984 enable libdc1394_1; } ||
1985 die "ERROR: No version of libdc1394 found "
1990 for restrict_keyword in restrict __restrict__ __restrict; do
1991 check_cc <<EOF && _restrict=$restrict_keyword && break
1992 void foo(char * $restrict_keyword p);
1996 test "$vhook" = "default" && vhook="$dlopen"
1998 if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
2001 echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
2002 echo "Patches welcome."
2006 if enabled vhook; then
2007 check_ldflags -rdynamic
2008 check_ldflags -export-dynamic
2011 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
2012 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
2014 ##########################################
2019 SDL_CONFIG="${cross_prefix}sdl-config"
2020 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2021 sdl_cflags=`"${SDL_CONFIG}" --cflags`
2022 temp_cflags $sdl_cflags
2023 temp_extralibs `"${SDL_CONFIG}" --libs`
2024 if check_lib2 SDL.h SDL_Init; then
2025 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
2026 if test "$_sdlversion" -lt 121 ; then
2030 check_cc $sdl_cflags <<EOF && enable sdl_video_size
2032 int main(int argc, char **argv){
2033 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2034 int w = vi->current_w;
2043 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2045 ##########################################
2048 if enabled network; then
2049 check_type "sys/types.h sys/socket.h" socklen_t
2050 # Prefer arpa/inet.h over winsock2
2051 if check_header arpa/inet.h ; then
2052 check_func closesocket
2053 elif check_header winsock2.h ; then
2054 network_extralibs="-lws2_32"
2055 check_type ws2tcpip.h socklen_t
2056 check_func_headers winsock2.h closesocket
2060 ##########################################
2063 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
2064 #include <sys/types.h>
2065 #include <sys/socket.h>
2066 #include <netinet/in.h>
2069 struct sockaddr_storage saddr;
2070 struct ipv6_mreq mreq6;
2071 getaddrinfo(0,0,0,0);
2072 getnameinfo(0,0,0,0,0,0,0);
2073 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2077 check_header linux/videodev.h
2078 check_header linux/videodev2.h
2079 check_header sys/videoio.h
2081 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2083 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2084 { check_header dev/bktr/ioctl_meteor.h &&
2085 check_header dev/bktr/ioctl_bt848.h; } ||
2086 { check_header machine/ioctl_meteor.h &&
2087 check_header machine/ioctl_bt848.h; } ||
2088 { check_header dev/video/meteor/ioctl_meteor.h &&
2089 check_header dev/video/bktr/ioctl_bt848.h; } ||
2090 check_header dev/ic/bt8xx.h
2092 check_header sys/soundcard.h
2093 check_header soundcard.h
2095 check_header alsa/asoundlib.h &&
2096 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2098 # deal with the X11 frame grabber
2100 check_header X11/Xlib.h &&
2101 check_header X11/extensions/XShm.h &&
2102 check_func XOpenDisplay -lX11 &&
2103 check_func XShmCreateImage -lX11 -lXext
2105 enabled debug && add_cflags -g"$debuglevel"
2107 # add some useful compiler flags if supported
2108 check_cflags -Wdeclaration-after-statement
2110 check_cflags -Wno-switch
2111 check_cflags -Wdisabled-optimization
2112 check_cflags -Wpointer-arith
2113 check_cflags -Wredundant-decls
2114 check_cflags -Wno-pointer-sign
2115 check_cflags -Wcast-qual
2116 check_cflags -Wwrite-strings
2117 check_cflags -Wtype-limits
2118 check_cflags -Wundef
2119 enabled extra_warnings && check_cflags -Winline
2121 # add some linker flags
2122 check_ldflags -Wl,--warn-common
2123 check_ldflags -Wl,--as-needed
2124 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'
2125 check_ldflags -Wl,-Bsymbolic
2127 if enabled small; then
2128 check_cflags -Os # not all compilers support -Os
2129 optimizations="small"
2130 elif enabled optimizations; then
2131 if enabled xlc; then
2138 check_cflags -fno-math-errno
2139 check_cflags -fno-signed-zeros
2141 # add some flags for Intel C Compiler
2142 if enabled icc; then
2143 # Just warnings, no remarks
2145 # -wd: Disable following warnings
2146 # 144, 167, 556: -Wno-pointer-sign
2147 # 10006: ignoring unknown option -fno-signed-zeros
2148 # 10156: ignoring option '-W'; no argument required
2149 check_cflags -wd144,167,556,10006,10156
2150 # 11030: Warning unknown option --as-needed
2151 # 10156: ignoring option '-export'; no argument required
2152 check_ldflags -wd10156,11030
2153 # Allow to compile with optimizations
2154 check_ldflags -march=$cpu
2157 # PIC flags for shared library objects where they are needed
2158 if enabled shared; then
2159 # LIBOBJFLAGS may have already been set in the OS configuration
2160 if test -z "$LIBOBJFLAGS" ; then
2161 case "${subarch-$arch}" in
2162 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2167 if enabled gprof; then
2174 # Find out if the .align argument is a power of two or not.
2175 check_asm asmalign_pot '".align 3"'
2177 enabled_any $DECODER_LIST && enable decoders
2178 enabled_any $ENCODER_LIST && enable encoders
2179 enabled_any $BSF_LIST && enable bsfs
2180 enabled_any $DEMUXER_LIST && enable demuxers
2181 enabled_any $MUXER_LIST && enable muxers
2182 enabled_any $FILTER_LIST && enable filters
2183 enabled_any $INDEV_LIST && enable demuxers
2184 enabled_any $OUTDEV_LIST && enable muxers
2185 enabled_any $PROTOCOL_LIST && enable protocols
2187 enabled_any $THREADS_LIST && enable threads
2189 check_deps $CONFIG_LIST \
2203 echo "install prefix $prefix"
2204 echo "source path $source_path"
2205 echo "C compiler $cc"
2206 echo ".align is power-of-two $asmalign_pot"
2207 echo "ARCH $arch ($cpu)"
2208 if test "$build_suffix" != ""; then
2209 echo "build suffix $build_suffix"
2211 if test "$extra_version" != ""; then
2212 echo "version string suffix $extra_version"
2214 echo "big-endian ${bigendian-no}"
2215 if enabled x86; then
2216 echo "yasm ${yasm-no}"
2217 echo "MMX enabled ${mmx-no}"
2218 echo "MMX2 enabled ${mmx2-no}"
2219 echo "3DNow! enabled ${amd3dnow-no}"
2220 echo "3DNow! extended enabled ${amd3dnowext-no}"
2221 echo "SSE enabled ${sse-no}"
2222 echo "SSSE3 enabled ${ssse3-no}"
2223 echo "CMOV enabled ${cmov-no}"
2224 echo "CMOV is fast ${fast_cmov-no}"
2225 echo "EBX available ${ebx_available-no}"
2226 echo "EBP available ${ebp_available-no}"
2227 echo "10 operands supported ${ten_operands-no}"
2229 if enabled arm; then
2230 echo "ARMv5TE enabled ${armv5te-no}"
2231 echo "ARMv6 enabled ${armv6-no}"
2232 echo "ARMv6T2 enabled ${armv6t2-no}"
2233 echo "ARM VFP enabled ${armvfp-no}"
2234 echo "IWMMXT enabled ${iwmmxt-no}"
2235 echo "NEON enabled ${neon-no}"
2237 if enabled mips; then
2238 echo "MMI enabled ${mmi-no}"
2240 if enabled ppc; then
2241 echo "AltiVec enabled ${altivec-no}"
2242 echo "PPC 4xx optimizations ${ppc4xx-no}"
2243 echo "dcbzl available ${dcbzl-no}"
2244 echo "performance report ${powerpc_perf-no}"
2246 if enabled sparc; then
2247 echo "VIS enabled ${vis-no}"
2249 echo "gprof enabled ${gprof-no}"
2250 echo "debug symbols ${debug-no}"
2251 echo "strip symbols ${stripping-no}"
2252 echo "optimizations ${optimizations-no}"
2253 echo "static ${static-no}"
2254 echo "shared ${shared-no}"
2255 echo "postprocessing support ${postproc-no}"
2256 echo "software scaler enabled ${swscale-no}"
2257 echo "new filter support ${avfilter-no}"
2258 echo "filters using lavformat ${avfilter_lavf-no}"
2259 echo "video hooking ${vhook-no}"
2260 if enabled vhook; then
2261 echo "Imlib2 support ${imlib2-no}"
2262 echo "FreeType support ${freetype2-no}"
2264 echo "network support ${network-no}"
2265 if enabled network; then
2266 echo "IPv6 support ${ipv6-no}"
2268 echo "threading support ${thread_type-no}"
2269 echo "SDL support ${sdl-no}"
2270 if enabled sdl_too_old; then
2271 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2273 echo "Sun medialib support ${mlib-no}"
2274 echo "AVISynth enabled ${avisynth-no}"
2275 echo "libamr-nb support ${libamr_nb-no}"
2276 echo "libamr-wb support ${libamr_wb-no}"
2277 echo "libdc1394 support ${libdc1394-no}"
2278 echo "libdirac enabled ${libdirac-no}"
2279 echo "libfaac enabled ${libfaac-no}"
2280 echo "libfaad enabled ${libfaad-no}"
2281 echo "libfaad dlopened ${libfaadbin-no}"
2282 echo "libgsm enabled ${libgsm-no}"
2283 echo "libmp3lame enabled ${libmp3lame-no}"
2284 echo "libnut enabled ${libnut-no}"
2285 echo "libopenjpeg enabled ${libopenjpeg-no}"
2286 echo "libschroedinger enabled ${libschroedinger-no}"
2287 echo "libspeex enabled ${libspeex-no}"
2288 echo "libtheora enabled ${libtheora-no}"
2289 echo "libvorbis enabled ${libvorbis-no}"
2290 echo "libx264 enabled ${libx264-no}"
2291 echo "libxvid enabled ${libxvid-no}"
2292 echo "vdpau enabled ${vdpau-no}"
2293 echo "zlib enabled ${zlib-no}"
2294 echo "bzlib enabled ${bzlib-no}"
2297 for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
2298 echo "Enabled ${type}s:"
2299 eval list=\$$(toupper $type)_LIST
2300 for part in $list; do
2301 enabled $part && echo ${part%_*}
2302 done | sort | pr -3 -t
2307 if enabled nonfree; then
2308 license="unredistributable"
2309 elif enabled gpl; then
2313 echo "License: $license"
2315 echo "Creating config.mak and config.h..."
2317 echo "# Automatically generated by configure - do not modify!" > config.mak
2318 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2319 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2320 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2321 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2322 echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2324 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2325 echo "prefix=$prefix" >> config.mak
2326 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2327 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2328 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2329 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2330 echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2331 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2332 echo "CC=$cc" >> config.mak
2333 echo "YASM=$yasmexe" >> config.mak
2334 echo "AR=$ar" >> config.mak
2335 echo "RANLIB=$ranlib" >> config.mak
2336 echo "LN_S=$ln_s" >> config.mak
2337 enabled stripping &&
2338 echo "STRIP=$strip" >> config.mak ||
2339 echo "STRIP=echo ignoring strip" >> config.mak
2341 echo "OPTFLAGS=$CFLAGS" >> config.mak
2342 echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
2343 echo "LDFLAGS=$LDFLAGS" >> config.mak
2344 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2345 echo "SHFLAGS=$SHFLAGS" >> config.mak
2346 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2347 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
2348 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
2349 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2350 echo "BUILD_STATIC=$static" >> config.mak
2351 echo "BUILDSUF=$build_suffix" >> config.mak
2352 echo "FULLNAME=$FULLNAME" >> config.mak
2353 echo "LIBPREF=$LIBPREF" >> config.mak
2354 echo "LIBSUF=$LIBSUF" >> config.mak
2355 echo "LIBNAME=$LIBNAME" >> config.mak
2356 echo "SLIBPREF=$SLIBPREF" >> config.mak
2357 echo "SLIBSUF=$SLIBSUF" >> config.mak
2358 echo "EXESUF=$EXESUF" >> config.mak
2359 echo "EXTRA_VERSION=$extra_version" >> config.mak
2360 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2361 echo "HOSTCC=$host_cc" >> config.mak
2362 echo "HOSTCFLAGS=$host_cflags" >> config.mak
2363 echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2364 echo "HOSTLIBS=$host_libs" >> config.mak
2365 echo "TARGET_EXEC=$target_exec" >> config.mak
2366 echo "TARGET_PATH=$target_path" >> config.mak
2368 if enabled bigendian; then
2369 echo "WORDS_BIGENDIAN=yes" >> config.mak
2370 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2373 if enabled sdl; then
2374 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2375 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2377 if enabled texi2html; then
2378 echo "BUILD_DOC=yes" >> config.mak
2383 file=$source_path/$2
2384 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2385 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2386 lcname=$(tolower $name)
2387 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2388 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2391 get_version LIBSWSCALE libswscale/swscale.h
2392 get_version LIBPOSTPROC libpostproc/postprocess.h
2393 get_version LIBAVCODEC libavcodec/avcodec.h
2394 get_version LIBAVDEVICE libavdevice/avdevice.h
2395 get_version LIBAVFORMAT libavformat/avformat.h
2396 get_version LIBAVUTIL libavutil/avutil.h
2397 get_version LIBAVFILTER libavfilter/avfilter.h
2399 if enabled shared; then
2400 echo "BUILD_SHARED=yes" >> config.mak
2401 echo "PIC=-fPIC -DPIC" >> config.mak
2402 echo "LIBTARGET=${LIBTARGET}" >> config.mak
2403 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2404 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2405 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2406 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2407 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2408 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2409 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2411 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2412 echo "EXTRALIBS=$extralibs" >> config.mak
2414 echo "ARCH=$arch" >> config.mak
2416 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2417 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2418 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2431 echo "#define restrict $_restrict" >> $TMPH
2433 if enabled small; then
2434 echo "#define av_always_inline" >> $TMPH
2437 echo "SRC_PATH=\"$source_path\"" >> config.mak
2438 echo "SRC_PATH_BARE=$source_path" >> config.mak
2439 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2441 # Apparently it's not possible to portably echo a backslash.
2442 enabled asmalign_pot &&
2443 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2444 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2446 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2448 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2450 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2451 cmp -s $TMPH config.h &&
2452 echo "config.h is unchanged" ||
2453 mv -f $TMPH config.h
2455 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
2457 # build tree in object directory if source path is different from current one
2458 if enabled source_path_used; then
2485 libavcodec/Makefile \
2486 libavdevice/Makefile \
2487 libavfilter/Makefile \
2488 libavformat/Makefile \
2489 libavutil/Makefile \
2490 libpostproc/Makefile \
2491 libswscale/Makefile \
2493 for dir in $DIRS ; do
2496 for f in $FILES ; do
2497 $ln_s "$source_path/$f" $f
2502 # build pkg-config files
2504 pkgconfig_generate(){
2506 shortname=${name#lib}${build_suffix}
2511 cat <<EOF > $name/$name.pc
2513 exec_prefix=\${prefix}
2518 Description: $comment
2520 Requires: $(disabled shared && echo $requires)
2521 Requires.private: $(enabled shared && echo $requires)
2523 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2524 Libs.private: $(enabled shared && echo $libs)
2525 Cflags: -I\${includedir}
2527 cat <<EOF > $name/$name-uninstalled.pc
2530 libdir=\${pcfiledir}
2531 includedir=${source_path}
2534 Description: $comment
2538 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2539 Cflags: -I\${includedir}
2543 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2544 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2545 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2546 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2548 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2550 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2551 if enabled swscale; then
2552 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
2554 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavcodec = $LIBAVCODEC_VERSION"
2555 apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/