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-avfilter video filter support [no]"
85 echo " --enable-avfilter-lavf video filters dependent on avformat [no]"
86 echo " --enable-beosthreads use BeOS threads [no]"
87 echo " --enable-os2threads use OS/2 threads [no]"
88 echo " --enable-pthreads use pthreads [no]"
89 echo " --enable-w32threads use Win32 threads [no]"
90 echo " --enable-x11grab enable X11 grabbing [no]"
91 echo " --disable-network disable network support [no]"
92 echo " --disable-ipv6 disable IPv6 support [no]"
93 echo " --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]"
94 echo " --enable-gray enable full grayscale support (slower color)"
95 echo " --disable-swscale-alpha disable alpha channel support in swscale"
96 echo " --disable-fastdiv disable table-based division"
97 echo " --enable-small optimize for size instead of speed"
98 echo " --disable-aandct disable AAN DCT code"
99 echo " --disable-fft disable FFT code"
100 echo " --disable-golomb disable Golomb code"
101 echo " --disable-mdct disable MDCT code"
102 echo " --disable-rdft disable RDFT code"
103 echo " --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
104 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
105 echo " --enable-beos-netserver enable BeOS netserver"
106 echo " --disable-encoder=NAME disable encoder NAME"
107 echo " --enable-encoder=NAME enable encoder NAME"
108 echo " --disable-encoders disable all encoders"
109 echo " --disable-decoder=NAME disable decoder NAME"
110 echo " --enable-decoder=NAME enable decoder NAME"
111 echo " --disable-decoders disable all decoders"
112 echo " --disable-muxer=NAME disable muxer NAME"
113 echo " --enable-muxer=NAME enable muxer NAME"
114 echo " --disable-muxers disable all muxers"
115 echo " --disable-demuxer=NAME disable demuxer NAME"
116 echo " --enable-demuxer=NAME enable demuxer NAME"
117 echo " --disable-demuxers disable all demuxers"
118 echo " --enable-parser=NAME enable parser NAME"
119 echo " --disable-parser=NAME disable parser NAME"
120 echo " --disable-parsers disable all parsers"
121 echo " --enable-bsf=NAME enable bitstream filter NAME"
122 echo " --disable-bsf=NAME disable bitstream filter NAME"
123 echo " --disable-bsfs disable all bitstream filters"
124 echo " --enable-protocol=NAME enable protocol NAME"
125 echo " --disable-protocol=NAME disable protocol NAME"
126 echo " --disable-protocols disable all protocols"
127 echo " --disable-indevs disable input devices"
128 echo " --disable-outdevs disable output devices"
129 echo " --disable-devices disable all devices"
130 echo " --enable-filter=NAME enable filter NAME"
131 echo " --disable-filter=NAME disable filter NAME"
132 echo " --disable-filters disable all filters"
133 echo " --list-decoders show all available decoders"
134 echo " --list-encoders show all available encoders"
135 echo " --list-muxers show all available muxers"
136 echo " --list-demuxers show all available demuxers"
137 echo " --list-parsers show all available parsers"
138 echo " --list-protocols show all available protocols"
139 echo " --list-bsfs show all available bitstream filters"
140 echo " --list-indevs show all available input devices"
141 echo " --list-outdevs show all available output devices"
142 echo " --list-filters show all available filters"
144 echo "External library support:"
145 echo " --enable-avisynth enable reading of AVISynth script files [no]"
146 echo " --enable-bzlib enable bzlib [autodetect]"
147 echo " --enable-libamr-nb enable libamr-nb floating point audio codec [no]"
148 echo " --enable-libamr-wb enable libamr-wb floating point audio codec [no]"
149 echo " --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394"
150 echo " and libraw1394 [no]"
151 echo " --enable-libdirac enable Dirac support via libdirac [no]"
152 echo " --enable-libfaac enable FAAC support via libfaac [no]"
153 echo " --enable-libfaad enable FAAD support via libfaad [no]"
154 echo " --enable-libfaadbin open libfaad.so.0 at runtime [no]"
155 echo " --enable-libgsm enable GSM support via libgsm [no]"
156 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [no]"
157 echo " --enable-libnut enable NUT (de)muxing via libnut,"
158 echo " native (de)muxer exists [no]"
159 echo " --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]"
160 echo " --enable-libschroedinger enable Dirac support via libschroedinger [no]"
161 echo " --enable-libspeex enable Speex decoding via libspeex [no]"
162 echo " --enable-libtheora enable Theora encoding via libtheora [no]"
163 echo " --enable-libvorbis enable Vorbis encoding via libvorbis,"
164 echo " native implementation exists [no]"
165 echo " --enable-libx264 enable H.264 encoding via x264 [no]"
166 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
167 echo " native MPEG-4/Xvid encoder exists [no]"
168 echo " --enable-mlib enable Sun medialib [no]"
169 echo " --enable-zlib enable zlib [autodetect]"
171 echo "Advanced options (experts only):"
172 echo " --source-path=PATH path to source code [$source_path]"
173 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
174 echo " --enable-cross-compile assume a cross-compiler is used"
175 echo " --sysroot=PATH root of cross-build tree"
176 echo " --sysinclude=PATH location of cross-build system headers"
177 echo " --target-os=OS compiler targets OS [$target_os]"
178 echo " --target-exec=CMD command to run executables on target"
179 echo " --target-path=DIR path to view of build directory on target"
180 echo " --nm=NM use nm tool"
181 echo " --as=AS use assembler AS [$as_default]"
182 echo " --cc=CC use C compiler CC [$cc_default]"
183 echo " --host-cc=HOSTCC use host C compiler HOSTCC"
184 echo " --host-cflags=HCFLAGS use HCFLAGS when compiling for host"
185 echo " --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host"
186 echo " --host-libs=HLIBS use libs HLIBS when linking for host"
187 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
188 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
189 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
190 echo " --extra-version=STRING version string suffix []"
191 echo " --build-suffix=SUFFIX library name suffix []"
192 echo " --arch=ARCH select architecture [$arch]"
193 echo " --cpu=CPU select the minimum required CPU (affects"
194 echo " instruction selection, may crash on older CPUs)"
195 echo " --enable-powerpc-perf enable performance report on PPC"
196 echo " (requires enabling PMC)"
197 echo " --disable-altivec disable AltiVec optimizations"
198 echo " --disable-amd3dnow disable 3DNow! optimizations"
199 echo " --disable-amd3dnowext disable 3DNow! extended optimizations"
200 echo " --disable-mmx disable MMX optimizations"
201 echo " --disable-mmx2 disable MMX2 optimizations"
202 echo " --disable-sse disable SSE optimizations"
203 echo " --disable-ssse3 disable SSSE3 optimizations"
204 echo " --disable-armv5te disable armv5te optimizations"
205 echo " --disable-armv6 disable armv6 optimizations"
206 echo " --disable-armv6t2 disable armv6t2 optimizations"
207 echo " --disable-armvfp disable ARM VFP optimizations"
208 echo " --disable-iwmmxt disable iwmmxt optimizations"
209 echo " --disable-mmi disable MMI optimizations"
210 echo " --disable-neon disable neon optimizations"
211 echo " --disable-vis disable VIS optimizations"
212 echo " --disable-yasm disable use of yasm assembler"
214 echo "Developer options (useful when working on FFmpeg itself):"
215 echo " --disable-debug disable debugging symbols"
216 echo " --enable-debug=LEVEL set the debug level [$debuglevel]"
217 echo " --enable-gprof enable profiling with gprof [$gprof]"
218 echo " --disable-optimizations disable compiler optimizations"
219 echo " --enable-extra-warnings enable more compiler warnings"
220 echo " --disable-stripping disable stripping of executables and shared libraries"
222 echo "NOTE: Object files are built at the place where configure is launched."
227 echo "$@" >> $logfile
232 pr -n -t $1 >> $logfile
244 If you think configure made a mistake, make sure you are using the latest
245 version from SVN. If the latest version fails, report the problem to the
246 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
248 if disabled logging; then
250 Rerun configure with logging enabled (do not use --disable-logging), and
251 include the log this produces with your report.
255 Include the log file "$logfile" produced by configure as this will help
262 # Avoid locale weirdness, besides we really just want to translate ASCII.
264 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
268 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
272 echo "$*" | sed 's/["\\]/\\\0/g'
287 eval : \${$var:=$value}
293 eval level=\${${var}_level:=0}
294 eval ${var}_${level}="\$$var"
295 eval ${var}_level=$(($level+1))
301 eval level=\${${var}_level:-0}
302 test $level = 0 && continue
303 eval level=$(($level-1))
304 eval $var="\${${var}_${level}}"
305 eval ${var}_level=$level
306 eval unset ${var}_${level}
327 enable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
331 disable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
336 enabled $var && continue
337 eval sel="\$${var}_select"
338 eval sgs="\$${var}_suggest"
342 enable_deep_weak $sgs
358 test "${1#!}" = "$1" && op== || op=!=
359 eval test "x\$${1#!}" $op "xyes"
363 test "${1#!}" = "$1" && op== || op=!=
364 eval test "x\$${1#!}" $op "xno"
369 enabled $opt || return 1
375 disabled $opt || return 1
381 enabled $opt && return 0
387 disabled $opt && return 0
394 eval : \${$opt:=\$${opt}_default}
402 [ $var = $value ] && return 0
410 enabled ${cfg}_checking && die "Circular dependency for $cfg."
411 disabled ${cfg}_checking && continue
412 enable ${cfg}_checking
414 eval dep_all="\$${cfg}_deps"
415 eval dep_any="\$${cfg}_deps_any"
416 eval dep_sel="\$${cfg}_select"
417 eval dep_sgs="\$${cfg}_suggest"
419 pushvar cfg dep_all dep_any dep_sel dep_sgs
420 check_deps $dep_all $dep_any $dep_sel $dep_sgs
421 popvar cfg dep_all dep_any dep_sel dep_sgs
423 enabled_all $dep_all || disable $cfg
424 enabled_any $dep_any || disable $cfg
425 disabled_any $dep_sel && disable $cfg
427 if enabled $cfg; then
428 eval dep_extralibs="\$${cfg}_extralibs"
429 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
431 enable_deep_weak $dep_sgs
434 disable ${cfg}_checking
444 ucname="$(toupper $cfg)"
445 if enabled $cfg; then
446 echo "#define ${pfx}${ucname} 1" >> $header
447 echo "${pfx}${ucname}=yes" >> $makefile
449 echo "#define ${pfx}${ucname} 0" >> $header
455 (: ${SAVE_CFLAGS?}) 2> /dev/null
459 flags_saved && return
460 SAVE_CFLAGS="$CFLAGS"
461 SAVE_LDFLAGS="$LDFLAGS"
462 SAVE_extralibs="$extralibs"
466 flags_saved || return
467 CFLAGS="$SAVE_CFLAGS"
468 LDFLAGS="$SAVE_LDFLAGS"
469 extralibs="$SAVE_extralibs"
482 LDFLAGS="$LDFLAGS $*"
487 extralibs="$extralibs $*"
493 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
494 eval "$var=\"\$$var $*\""
506 append extralibs "$@"
511 "$@" >> $logfile 2>&1
518 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
525 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
532 check_cmd $as $CFLAGS "$@" -c -o $TMPO $TMPC
540 check_as "$@" <<EOF && enable $name || disable $name
541 void foo(void){ __asm__ volatile($asm); }
550 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
559 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
561 check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
565 log check_cflags "$@"
566 check_cc "$@" <<EOF && add_cflags "$@"
572 log check_ldflags "$@"
573 check_ld "$@" <<EOF && add_ldflags "$@"
574 int main(void){ return 0; }
579 log check_header "$@"
583 check_cpp "$@" <<EOF && enable_safe $header
594 check_ld "$@" <<EOF && enable $func
596 int main(void){ $func(); }
600 check_func_headers(){
601 log check_func_headers "$@"
607 for hdr in $headers; do
611 check_ld "$@" <<EOF && enable $func && enable_safe $headers
613 int main(int argc, char **argv){
620 check_cpp_condition(){
621 log check_cpp_condition "$@"
627 #error "unsatisfied condition: $condition"
638 check_header $header && check_func $func && add_extralibs "$@"
650 check_func_headers "$headers" $func && add_extralibs "$@"
657 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
663 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
664 # are safe but may not be available everywhere. Thus we use
665 # raise(SIGTERM) instead. The check is run in a subshell so we
666 # can redirect the "Terminated" message from the shell. SIGBUS
667 # is not defined by standard C so it is used conditionally.
669 (check_exec "$@") >> $logfile 2>&1 <<EOF
671 static void sighandler(int sig){
675 signal(SIGILL, sighandler);
676 signal(SIGFPE, sighandler);
677 signal(SIGSEGV, sighandler);
679 signal(SIGBUS, sighandler);
693 for hdr in $headers; do
697 check_cc "$@" <<EOF && enable $type
708 check_lib $header $func "$@" || die "ERROR: $name not found"
716 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
726 check_cmd ${pkg}-config --version
728 if test "$err" = 0; then
729 temp_cflags $(${pkg}-config --cflags)
730 temp_extralibs $(${pkg}-config --libs)
731 check_lib "$@" $header $func && enable $cfg
739 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
742 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
743 # system-dependent things.
866 dev_bktr_ioctl_bt848_h
867 dev_bktr_ioctl_meteor_h
869 dev_video_meteor_ioctl_meteor_h
870 dev_video_bktr_ioctl_bt848_h
890 machine_ioctl_bt848_h
891 machine_ioctl_meteor_h
920 # options emitted with CONFIG_ prefix but not available on command line
971 # code dependency declarations
973 # architecture extensions
976 amd3dnowext_deps="amd3dnow"
991 # decoders / encoders
992 aac_decoder_select="fft mdct"
993 ac3_decoder_deps="gpl"
994 ac3_decoder_select="fft mdct"
995 atrac3_decoder_select="fft mdct"
996 cavs_decoder_select="golomb"
997 cook_decoder_select="fft mdct"
998 cscd_decoder_suggest="zlib"
999 dca_decoder_select="fft mdct"
1000 dnxhd_encoder_select="aandct"
1001 dxa_decoder_select="zlib"
1002 eac3_decoder_deps="gpl"
1003 eac3_decoder_select="fft mdct"
1004 eatgq_decoder_select="aandct"
1005 eatqi_decoder_select="aandct"
1006 ffv1_decoder_select="golomb"
1007 flac_decoder_select="golomb"
1008 flac_encoder_select="golomb"
1009 flashsv_decoder_select="zlib"
1010 flashsv_encoder_select="zlib"
1011 flv_encoder_select="aandct"
1012 h261_encoder_select="aandct"
1013 h263_encoder_select="aandct"
1014 h263p_encoder_select="aandct"
1015 h264_decoder_select="golomb"
1016 h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1017 imc_decoder_select="fft mdct"
1018 jpegls_decoder_select="golomb"
1019 jpegls_encoder_select="golomb"
1020 ljpeg_encoder_select="aandct"
1021 loco_decoder_select="golomb"
1022 mjpeg_encoder_select="aandct"
1023 mpeg1video_encoder_select="aandct"
1024 mpeg2video_encoder_select="aandct"
1025 mpeg4_encoder_select="aandct"
1026 mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1027 mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1028 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1029 msmpeg4v1_encoder_select="aandct"
1030 msmpeg4v2_encoder_select="aandct"
1031 msmpeg4v3_encoder_select="aandct"
1032 nellymoser_decoder_select="fft mdct"
1033 nellymoser_encoder_select="fft mdct"
1034 png_decoder_select="zlib"
1035 png_encoder_select="zlib"
1036 qdm2_decoder_select="fft mdct rdft"
1037 rv10_encoder_select="aandct"
1038 rv20_encoder_select="aandct"
1039 rv30_decoder_select="golomb"
1040 rv40_decoder_select="golomb"
1041 shorten_decoder_select="golomb"
1042 sonic_decoder_select="golomb"
1043 sonic_encoder_select="golomb"
1044 sonic_ls_encoder_select="golomb"
1045 svq3_decoder_select="golomb"
1046 svq3_decoder_suggest="zlib"
1047 tiff_decoder_suggest="zlib"
1048 tiff_encoder_suggest="zlib"
1049 tscc_decoder_select="zlib"
1050 vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1051 vorbis_decoder_select="fft mdct"
1052 vorbis_encoder_select="fft mdct"
1053 wmav1_decoder_select="fft mdct"
1054 wmav1_encoder_select="fft mdct"
1055 wmav2_decoder_select="fft mdct"
1056 wmav2_encoder_select="fft mdct"
1057 wmv1_encoder_select="aandct"
1058 wmv2_encoder_select="aandct"
1059 wmv3_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1060 zlib_decoder_select="zlib"
1061 zlib_encoder_select="zlib"
1062 zmbv_decoder_select="zlib"
1063 zmbv_encoder_select="zlib"
1065 # external libraries
1066 libamr_nb_decoder_deps="libamr_nb"
1067 libamr_nb_encoder_deps="libamr_nb"
1068 libamr_wb_decoder_deps="libamr_wb"
1069 libamr_wb_encoder_deps="libamr_wb"
1070 libdirac_decoder_deps="libdirac !libschroedinger"
1071 libdirac_encoder_deps="libdirac"
1072 libfaac_encoder_deps="libfaac"
1073 libfaad_decoder_deps="libfaad"
1074 libfaadbin_decoder_extralibs='$ldl'
1075 libgsm_decoder_deps="libgsm"
1076 libgsm_encoder_deps="libgsm"
1077 libgsm_ms_decoder_deps="libgsm"
1078 libgsm_ms_encoder_deps="libgsm"
1079 libmp3lame_encoder_deps="libmp3lame"
1080 libopenjpeg_decoder_deps="libopenjpeg"
1081 libschroedinger_decoder_deps="libschroedinger"
1082 libschroedinger_encoder_deps="libschroedinger"
1083 libspeex_decoder_deps="libspeex"
1084 libtheora_encoder_deps="libtheora"
1085 libvorbis_encoder_deps="libvorbis"
1086 libx264_encoder_deps="libx264"
1087 libxvid_encoder_deps="libxvid"
1090 ac3_demuxer_deps="ac3_parser"
1091 alsa_demuxer_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1092 alsa_demuxer_extralibs="-lasound"
1093 alsa_muxer_deps="alsa_asoundlib_h"
1094 alsa_muxer_extralibs="-lasound"
1095 audio_beos_demuxer_deps="audio_beos"
1096 audio_beos_demuxer_extralibs="-lmedia -lbe"
1097 audio_beos_muxer_deps="audio_beos"
1098 audio_beos_muxer_extralibs="-lmedia -lbe"
1099 avisynth_demuxer_deps="avisynth"
1100 bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1101 dirac_demuxer_deps="dirac_parser"
1102 dv1394_demuxer_deps="dv1394 dv_demuxer"
1103 libdc1394_demuxer_deps="libdc1394"
1104 libnut_demuxer_deps="libnut"
1105 libnut_muxer_deps="libnut"
1106 matroska_demuxer_suggest="zlib bzlib"
1107 mov_demuxer_suggest="zlib"
1108 mp3_demuxer_deps="mpegaudio_parser"
1109 oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
1110 oss_muxer_deps_any="soundcard_h sys_soundcard_h"
1111 redir_demuxer_deps="network"
1112 rtp_muxer_deps="network rtp_protocol"
1113 rtsp_demuxer_deps="sdp_demuxer"
1114 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1115 v4l_demuxer_deps="linux_videodev_h"
1116 v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
1117 vfwcap_demuxer_deps="capCreateCaptureWindow"
1118 vfwcap_demuxer_extralibs="-lvfw32"
1119 x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
1120 x11_grab_device_demuxer_extralibs="-lX11 -lXext"
1123 gopher_protocol_deps="network"
1124 http_protocol_deps="network"
1125 rtp_protocol_deps="udp_protocol"
1126 tcp_protocol_deps="network"
1127 udp_protocol_deps="network"
1130 movie_filter_deps="avfilter_lavf"
1134 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1135 ffserver_extralibs='$ldl'
1138 # default parameters
1140 logfile="config.err"
1142 # installation paths
1143 prefix_default="/usr/local"
1144 bindir_default='${prefix}/bin'
1145 datadir_default='${prefix}/share/ffmpeg'
1146 incdir_default='${prefix}/include'
1147 libdir_default='${prefix}/lib'
1148 mandir_default='${prefix}/share/man'
1149 shlibdir_default="$libdir_default"
1154 host_cc_default="gcc"
1167 target_os=$(tolower $(uname -s))
1170 # configurable options
1179 enable optimizations
1183 enable swscale_alpha
1186 add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1187 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1188 FFSERVERLDFLAGS=-Wl,-E
1191 FULLNAME='$(NAME)$(BUILDSUF)'
1192 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1195 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1196 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1197 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1198 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1200 host_cflags='-O3 -g -Wall'
1205 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1206 # full relative path for objects in subdirectories for non-recursive Make.
1207 DEPEND_CMD='$(CC) $(CFLAGS) -MM $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1210 source_path="$(dirname "$0")"
1211 enable source_path_used
1212 if test -z "$source_path" -o "$source_path" = "." ; then
1213 source_path="$(pwd)"
1214 disable source_path_used
1216 source_path="$(cd "$source_path"; pwd)"
1217 echo "$source_path" | grep -q '[[:blank:]]' &&
1218 die "Out of tree builds are impossible with whitespace in source path."
1219 test -e "$source_path/config.h" &&
1220 die "Out of tree builds are impossible with config.h in source dir."
1226 test "$r" = "${r#* }" || r="'$r'"
1227 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1233 file=$source_path/$3
1234 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1237 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1238 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1239 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1240 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1241 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1242 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1243 OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
1244 INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
1245 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1246 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1248 enable $ARCH_EXT_LIST \
1261 echo "Unknown option \"$1\"."
1262 echo "See $0 --help for available options."
1269 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1276 --extra-cflags=*) add_cflags $optval
1278 --extra-ldflags=*) add_ldflags $optval
1280 --extra-libs=*) add_extralibs $optval
1282 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1284 --enable-debug=*) debuglevel="$optval"
1286 --enable-*=*|--disable-*=*)
1287 eval $(echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/')
1289 encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1290 *) die_unknown "$opt" ;;
1293 --enable-?*|--disable-?*)
1294 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1295 if is_in $option $COMPONENT_LIST; then
1296 eval $action \$$(toupper ${option%s})_LIST
1297 elif is_in $option $CMDLINE_SELECT; then
1304 NAME="${opt#--list-}"
1305 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1307 eval show_list $NAME \$$(toupper $NAME)_LIST
1309 --help|-h) show_help
1312 optname="${opt%%=*}"
1313 optname="${optname#--}"
1314 optname=$(echo "$optname" | sed 's/-/_/g')
1315 is_in $optname $CMDLINE_SET || die_unknown $opt
1316 eval $optname='$optval'
1321 disabled logging && logfile=/dev/null
1323 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1326 test -n "$cross_prefix" && enable cross_compile
1328 ar="${cross_prefix}${ar}"
1329 cc_default="${cross_prefix}${cc_default}"
1330 nm_default="${cross_prefix}${nm_default}"
1331 ranlib="${cross_prefix}${ranlib}"
1332 strip="${cross_prefix}${strip}"
1334 sysinclude_default="${sysroot}/usr/include"
1336 set_default cc nm sysinclude
1338 enabled cross_compile || host_cc_default=$cc
1343 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1347 EXESUF=$(exesuf $target_os)
1348 HOSTEXESUF=$(exesuf $host_os)
1350 # set temporary file name
1351 : ${TMPDIR:=$TEMPDIR}
1355 if ! check_cmd type mktemp; then
1356 # simple replacement for missing mktemp
1357 # NOT SAFE FOR GENERAL USE
1359 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1364 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1365 (set -C; exec > $tmp) 2>/dev/null ||
1366 die "Unable to create temoporary file in $TMPDIR."
1367 append TMPFILES $tmp
1371 trap 'rm -f -- $TMPFILES' EXIT
1372 trap exit HUP INT TERM
1375 tmpfile TMPE $EXESUF
1383 # make sure we can execute files in $TMPDIR
1384 cat > $TMPSH 2>> $logfile <<EOF
1387 chmod +x $TMPSH >> $logfile 2>&1
1388 if ! $TMPSH >> $logfile 2>&1; then
1390 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1391 variable to another directory and make sure that it is not mounted noexec.
1393 die "Sanity test failed."
1396 if $cc --version 2>/dev/null | grep -qi gcc; then
1398 elif $cc --version 2>/dev/null | grep -q Intel; then
1400 elif $cc -v 2>&1 | grep -q xlc; then
1402 elif $cc -V 2>/dev/null | grep -q Compaq; then
1404 DEPEND_CMD='$(CC) $(CFLAGS) -M $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1406 add_ldflags -Wl,-z,now # calls to libots crash without this
1407 elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1408 test -d "$sysroot" || die "No valid sysroot specified."
1410 armcc_conf="$PWD/armcc.conf"
1411 $cc --arm_linux_configure \
1412 --arm_linux_config_file="$armcc_conf" \
1413 --configure_sysroot="$sysroot" \
1414 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1415 die "Error creating armcc configuration file."
1416 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1417 as_default="${cross_prefix}gcc"
1420 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1424 if test -n "$sysroot"; then
1427 add_cflags --sysroot="$sysroot"
1428 add_ldflags --sysroot="$sysroot"
1433 # compiler sanity check
1435 int main(void){ return 0; }
1437 if test "$?" != 0; then
1438 echo "$cc is unable to create an executable file."
1439 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1440 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1441 echo "Only do this if you know what cross compiling means."
1443 die "C compiler test failed."
1446 check_cflags -std=c99
1447 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cflags -D_FILE_OFFSET_BITS=64
1450 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cflags -D_LARGEFILE_SOURCE
1489 "Power Macintosh"|ppc|powerpc)
1491 enable fast_unaligned
1496 enable fast_unaligned
1512 i386|i486|i586|i686|i86pc|BePC)
1515 enable fast_unaligned
1522 enable fast_unaligned
1523 check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1524 int test[sizeof(char*) - 7];
1532 enable $arch $subarch
1537 prefix_default="$HOME/config"
1538 # helps building libavcodec
1539 add_cflags -DPIC -fomit-frame-pointer
1540 # 3 gcc releases known for BeOS, each with ugly bugs
1541 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
1542 case "$gcc_version" in
1543 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1546 *20010315*) echo "BeBits gcc"
1547 add_cflags -fno-expensive-optimizations
1551 # enable BeOS things
1553 # no need for libm, but the inet stuff
1555 # XXX: actually should check for NOT net_server
1556 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1557 network_extralibs="-lbind -lsocket"
1559 enable beos_netserver
1560 network_extralibs="-lnet"
1564 SHFLAGS='-shared -Wl,-h,$$(@F)'
1565 network_extralibs="-lsocket -lnsl"
1566 add_cflags -D__EXTENSIONS__
1569 oss_demuxer_extralibs="-lossaudio"
1570 oss_muxer_extralibs="-lossaudio"
1573 disable need_memalign
1574 LIBOBJFLAGS='$(PIC)'
1576 oss_demuxer_extralibs="-lossaudio"
1577 oss_muxer_extralibs="-lossaudio"
1580 disable need_memalign
1583 osextralibs="-lpoll -lgnugetopt"
1587 disable need_memalign
1588 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1590 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1592 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1593 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1594 FFSERVERLDFLAGS=-Wl,-bind_at_load
1596 enabled x86_64 && objformat="macho64"
1601 if enabled x86_64; then
1602 disable need_memalign
1605 shlibdir_default="$bindir_default"
1609 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1610 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1611 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1612 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1613 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1614 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1615 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1618 if ! enabled x86_64; then
1619 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1620 die "ERROR: MinGW runtime version must be >= 3.15."
1621 enabled_any avisynth vfwcap_demuxer &&
1622 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1623 die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1628 shlibdir_default="$bindir_default"
1631 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1632 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1633 SHFLAGS='-shared -Wl,--enable-auto-image-base'
1637 *-dos|freedos|opendos)
1638 disable ffplay ffserver
1639 disable $INDEV_LIST $OUTDEV_LIST
1640 network_extralibs="-lsocket"
1649 ranlib="echo ignoring ranlib"
1654 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1655 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1660 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1661 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1662 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1663 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1664 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1665 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1666 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1667 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1668 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1669 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1670 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1671 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1676 die "Unknown OS '$target_os'."
1680 set_default $PATHS_LIST
1682 add_extralibs $osextralibs
1684 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1685 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1687 # we need to build at least one lib type
1688 if ! enabled_any static shared; then
1690 At least one library type must be built.
1691 Specify --enable-static to build the static libraries or --enable-shared to
1692 build the shared libraries as well. To only build the shared libraries specify
1693 --disable-static in addition to --enable-shared.
1698 disabled static && LIBNAME=""
1700 if enabled_any libfaad libfaadbin ; then
1701 if check_header faad.h; then
1704 #ifndef FAAD2_VERSION
1707 int main(void) { return 0; }
1709 test $? = 0 && enable libfaad2
1711 die "FAAD test failed."
1716 if ! enabled gpl; then
1720 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1722 die_gpl_disabled "The Postprocessing code" postproc
1723 die_gpl_disabled "libx264" libx264
1724 die_gpl_disabled "libxvidcore" libxvid
1725 die_gpl_disabled "FAAD2" libfaad2
1726 die_gpl_disabled "The X11 grabber" x11grab
1729 if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1730 die "libamr is nonfree and --enable-nonfree is not specified."
1733 check_deps $ARCH_EXT_LIST
1735 test -z "$need_memalign" && need_memalign="$mmx"
1738 if test $target_os = darwin; then
1739 if enabled xlc; then
1740 add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
1743 check_cflags -force_cpusubtype_ALL
1744 check_cflags -Wno-sign-compare
1745 enabled shared || check_cflags -mdynamic-no-pic
1749 disabled optimizations || check_cflags -fomit-frame-pointer
1751 # Add processor-specific flags
1752 if test $cpu != "generic"; then
1754 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1757 601|ppc601|PowerPC601)
1758 add_cflags -mcpu=601
1759 warn_altivec enabled PPC601
1761 603*|ppc603*|PowerPC603*)
1762 add_cflags -mcpu=603
1763 warn_altivec enabled PPC603
1765 604*|ppc604*|PowerPC604*)
1766 add_cflags -mcpu=604
1767 warn_altivec enabled PPC604
1769 G3|g3|75*|ppc75*|PowerPC75*)
1770 add_cflags -mcpu=750 -mpowerpc-gfxopt
1771 warn_altivec enabled PPC75x
1773 G4|g4|745*|ppc745*|PowerPC745*)
1774 add_cflags -mcpu=7450 -mpowerpc-gfxopt
1775 warn_altivec disabled PPC745x
1777 74*|ppc74*|PowerPC74*)
1778 add_cflags -mcpu=7400 -mpowerpc-gfxopt
1779 warn_altivec disabled PPC74xx
1781 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1782 add_cflags -mcpu=970 -mpowerpc-gfxopt -mpowerpc64
1783 warn_altivec disabled PPC970
1787 add_cflags -mcpu=cell
1788 warn_altivec disabled Cell
1791 # targets that do NOT support conditional mov (cmov)
1792 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1793 add_cflags -march=$cpu
1796 # targets that do support conditional mov (cmov)
1797 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1798 add_cflags -march=$cpu
1802 # targets that do support conditional mov but on which it's slow
1803 pentium4|pentium4m|prescott|nocona)
1804 add_cflags -march=$cpu
1812 add_cflags -mcpu=$cpu
1813 enable fast_unaligned
1816 add_cflags -march=$cpu
1819 add_cflags -mcpu=$cpu
1821 ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1822 enabled ccc && add_cflags -arch $cpu || add_cflags -mcpu=$cpu
1825 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1830 check_cc <<EOF || die "Symbol mangling check failed."
1833 sym=$($nm -P -g $TMPO | grep ff_extern)
1834 extern_prefix=${sym%%ff_extern*}
1836 check_cc <<EOF && enable inline_asm
1837 void foo(void) { __asm__ volatile ("" ::); }
1840 if enabled x86; then
1841 # check whether EBP is available on x86
1842 # As 'i' is stored on the stack, this program will crash
1843 # if the base pointer is used to access it because the
1844 # base pointer is cleared in the inline assembly code.
1845 check_exec_crash <<EOF && enable ebp_available
1853 # check wether EBX is available on x86
1854 check_asm ebx_available '"":::"%ebx"'
1856 # check whether more than 10 operands are supported
1857 check_cc <<EOF && enable ten_operands
1862 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
1868 # check whether binutils is new enough to compile SSSE3/MMX2
1869 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1870 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
1872 check_asm bswap '"bswap %%eax" ::: "%eax"'
1874 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
1875 enabled x86_64 && append YASMFLAGS "-m amd64"
1876 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1877 case "$objformat" in
1878 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1879 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
1880 *) append YASMFLAGS "-DPREFIX" ;;
1882 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
1885 # check for assembler specific support
1887 enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
1888 enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
1890 # check for SIMD availability
1892 # AltiVec flags: The FSF version of GCC differs from the Apple version
1893 if enabled altivec; then
1894 check_cflags -maltivec -mabi=altivec &&
1895 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1896 check_cflags -faltivec
1898 # check if our compiler supports Motorola AltiVec C API
1899 check_cc <<EOF || disable altivec
1902 vector signed int v1, v2, v3;
1903 v1 = vec_add(v2,v3);
1908 # check if our compiler supports braces for vector declarations
1909 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1911 int main (void) { (vector int) {1}; return 0; }
1915 # We have to check if pld is a nop and disable it.
1916 enabled arm && check_asm pld '"pld [r0]"'
1917 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1918 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
1919 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
1920 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
1921 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1922 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
1923 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
1924 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1926 enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
1929 # big/little-endian test
1930 check_cc <<EOF || die "endian test failed"
1931 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1933 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1936 # check availability of some header files
1938 if check_func dlopen; then
1940 elif check_func dlopen -ldl; then
1944 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
1945 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
1948 check_func gethrtime
1949 check_func getrusage
1950 check_func inet_aton $network_extralibs
1953 check_func posix_memalign
1954 check_func_headers io.h setmode
1955 check_func_headers windows.h GetProcessTimes
1956 check_func_headers windows.h VirtualAlloc
1958 check_header conio.h
1959 check_header dlfcn.h
1960 check_header malloc.h
1962 check_header sys/mman.h
1963 check_header sys/resource.h
1964 check_header sys/select.h
1965 check_header termios.h
1966 check_header vdpau/vdpau.h
1967 check_header vdpau/vdpau_x11.h
1968 check_header X11/extensions/XvMClib.h
1970 if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
1971 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
1974 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
1975 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1977 # check for some common methods of building with pthread support
1978 # do this before the optional library checks as some of them require pthreads
1979 if enabled pthreads; then
1980 if check_func pthread_create; then
1982 elif check_func pthread_create -pthread; then
1984 add_extralibs -pthread
1985 elif check_func pthread_create -pthreads; then
1986 add_cflags -pthreads
1987 add_extralibs -pthreads
1988 elif check_func pthread_create -lpthreadGC2; then
1989 add_extralibs -lpthreadGC2
1990 elif ! check_lib pthread.h pthread_create -lpthread; then
1991 die "ERROR: can't find pthreads library"
1995 for thread in $THREADS_LIST; do
1996 if enabled $thread; then
1997 test -n "$thread_type" &&
1998 die "ERROR: Only one thread type must be selected." ||
1999 thread_type="$thread"
2003 check_lib math.h sin -lm
2005 # test for C99 functions in math.h
2006 for func in llrint lrint lrintf round roundf truncf; do
2007 check_exec <<EOF && enable $func || disable $func
2009 int main(void) { return ($func(3.999f) > 0)?0:1; }
2013 # these are off by default, so fail if requested and not available
2014 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2015 enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
2016 enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
2017 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2018 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2019 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
2020 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2021 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
2022 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
2023 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
2024 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2025 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2026 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2027 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2028 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2029 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
2030 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2031 enabled libx264 && require libx264 x264.h x264_encoder_open -lx264 -lm &&
2032 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2033 die "ERROR: libx264 version must be >= 0.65."; }
2034 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2035 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2038 if enabled libdc1394; then
2039 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2040 enable libdc1394_2; } ||
2041 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2042 enable libdc1394_1; } ||
2043 die "ERROR: No version of libdc1394 found "
2048 for restrict_keyword in restrict __restrict__ __restrict; do
2049 check_cc <<EOF && _restrict=$restrict_keyword && break
2050 void foo(char * $restrict_keyword p);
2054 ##########################################
2059 SDL_CONFIG="${cross_prefix}sdl-config"
2060 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2061 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2062 temp_cflags $sdl_cflags
2063 temp_extralibs $("${SDL_CONFIG}" --libs)
2064 if check_lib2 SDL.h SDL_Init; then
2065 _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
2066 if test "$_sdlversion" -lt 121 ; then
2070 check_cc $sdl_cflags <<EOF && enable sdl_video_size
2072 int main(int argc, char **argv){
2073 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2074 int w = vi->current_w;
2083 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2085 ##########################################
2088 if enabled network; then
2089 check_type "sys/types.h sys/socket.h" socklen_t
2090 # Prefer arpa/inet.h over winsock2
2091 if check_header arpa/inet.h ; then
2092 check_func closesocket
2093 elif check_header winsock2.h ; then
2094 network_extralibs="-lws2_32"
2095 check_type ws2tcpip.h socklen_t
2096 check_func_headers winsock2.h closesocket
2100 ##########################################
2103 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
2104 #include <sys/types.h>
2105 #include <sys/socket.h>
2106 #include <netinet/in.h>
2109 struct sockaddr_storage saddr;
2110 struct ipv6_mreq mreq6;
2111 getaddrinfo(0,0,0,0);
2112 getnameinfo(0,0,0,0,0,0,0);
2113 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2117 check_header linux/videodev.h
2118 check_header linux/videodev2.h
2119 check_header sys/videoio.h
2121 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2123 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2124 { check_header dev/bktr/ioctl_meteor.h &&
2125 check_header dev/bktr/ioctl_bt848.h; } ||
2126 { check_header machine/ioctl_meteor.h &&
2127 check_header machine/ioctl_bt848.h; } ||
2128 { check_header dev/video/meteor/ioctl_meteor.h &&
2129 check_header dev/video/bktr/ioctl_bt848.h; } ||
2130 check_header dev/ic/bt8xx.h
2132 check_header sys/soundcard.h
2133 check_header soundcard.h
2135 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2137 # deal with the X11 frame grabber
2139 check_header X11/Xlib.h &&
2140 check_header X11/extensions/XShm.h &&
2141 check_func XOpenDisplay -lX11 &&
2142 check_func XShmCreateImage -lX11 -lXext
2144 enabled debug && add_cflags -g"$debuglevel"
2146 # add some useful compiler flags if supported
2147 check_cflags -Wdeclaration-after-statement
2149 check_cflags -Wno-switch
2150 check_cflags -Wdisabled-optimization
2151 check_cflags -Wpointer-arith
2152 check_cflags -Wredundant-decls
2153 check_cflags -Wno-pointer-sign
2154 check_cflags -Wcast-qual
2155 check_cflags -Wwrite-strings
2156 check_cflags -Wtype-limits
2157 check_cflags -Wundef
2158 enabled extra_warnings && check_cflags -Winline
2160 # add some linker flags
2161 check_ldflags -Wl,--warn-common
2162 check_ldflags -Wl,--as-needed
2163 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'
2164 check_ldflags -Wl,-Bsymbolic
2166 if enabled small; then
2167 check_cflags -Os # not all compilers support -Os
2168 optimizations="small"
2169 elif enabled optimizations; then
2170 if enabled xlc; then
2173 elif enabled ccc; then
2179 check_cflags -fno-math-errno
2180 check_cflags -fno-signed-zeros
2182 # add some flags for Intel C Compiler
2183 if enabled icc; then
2184 # Just warnings, no remarks
2186 # -wd: Disable following warnings
2187 # 144, 167, 556: -Wno-pointer-sign
2188 # 10006: ignoring unknown option -fno-signed-zeros
2189 # 10156: ignoring option '-W'; no argument required
2190 check_cflags -wd144,167,556,10006,10156
2191 # 11030: Warning unknown option --as-needed
2192 # 10156: ignoring option '-export'; no argument required
2193 check_ldflags -wd10156,11030
2194 # Allow to compile with optimizations
2195 check_ldflags -march=$cpu
2196 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2197 enable ebp_available
2198 elif enabled ccc; then
2199 # disable some annoying warnings
2200 add_cflags -msg_disable cvtu32to64
2201 add_cflags -msg_disable embedcomment
2202 add_cflags -msg_disable needconstext
2203 add_cflags -msg_disable nomainieee
2204 add_cflags -msg_disable ptrmismatch1
2205 add_cflags -msg_disable unreachcode
2208 # PIC flags for shared library objects where they are needed
2209 if enabled shared; then
2210 # LIBOBJFLAGS may have already been set in the OS configuration
2211 if test -z "$LIBOBJFLAGS" ; then
2212 case "${subarch-$arch}" in
2213 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2218 if enabled gprof; then
2223 # Find out if the .align argument is a power of two or not.
2224 check_asm asmalign_pot '".align 3"'
2226 enabled_any $DECODER_LIST && enable decoders
2227 enabled_any $ENCODER_LIST && enable encoders
2228 enabled_any $BSF_LIST && enable bsfs
2229 enabled_any $DEMUXER_LIST && enable demuxers
2230 enabled_any $MUXER_LIST && enable muxers
2231 enabled_any $FILTER_LIST && enable filters
2232 enabled_any $INDEV_LIST && enable demuxers
2233 enabled_any $OUTDEV_LIST && enable muxers
2234 enabled_any $PROTOCOL_LIST && enable protocols
2236 enabled_any $THREADS_LIST && enable threads
2238 check_deps $CONFIG_LIST \
2252 echo "install prefix $prefix"
2253 echo "source path $source_path"
2254 echo "C compiler $cc"
2255 echo ".align is power-of-two $asmalign_pot"
2256 echo "ARCH $arch ($cpu)"
2257 if test "$build_suffix" != ""; then
2258 echo "build suffix $build_suffix"
2260 if test "$extra_version" != ""; then
2261 echo "version string suffix $extra_version"
2263 echo "big-endian ${bigendian-no}"
2264 if enabled x86; then
2265 echo "yasm ${yasm-no}"
2266 echo "MMX enabled ${mmx-no}"
2267 echo "MMX2 enabled ${mmx2-no}"
2268 echo "3DNow! enabled ${amd3dnow-no}"
2269 echo "3DNow! extended enabled ${amd3dnowext-no}"
2270 echo "SSE enabled ${sse-no}"
2271 echo "SSSE3 enabled ${ssse3-no}"
2272 echo "CMOV enabled ${cmov-no}"
2273 echo "CMOV is fast ${fast_cmov-no}"
2274 echo "EBX available ${ebx_available-no}"
2275 echo "EBP available ${ebp_available-no}"
2276 echo "10 operands supported ${ten_operands-no}"
2278 if enabled arm; then
2279 echo "ARMv5TE enabled ${armv5te-no}"
2280 echo "ARMv6 enabled ${armv6-no}"
2281 echo "ARMv6T2 enabled ${armv6t2-no}"
2282 echo "ARM VFP enabled ${armvfp-no}"
2283 echo "IWMMXT enabled ${iwmmxt-no}"
2284 echo "NEON enabled ${neon-no}"
2286 if enabled mips; then
2287 echo "MMI enabled ${mmi-no}"
2289 if enabled ppc; then
2290 echo "AltiVec enabled ${altivec-no}"
2291 echo "PPC 4xx optimizations ${ppc4xx-no}"
2292 echo "dcbzl available ${dcbzl-no}"
2293 echo "performance report ${powerpc_perf-no}"
2295 if enabled sparc; then
2296 echo "VIS enabled ${vis-no}"
2298 echo "gprof enabled ${gprof-no}"
2299 echo "debug symbols ${debug-no}"
2300 echo "strip symbols ${stripping-no}"
2301 echo "optimizations ${optimizations-no}"
2302 echo "static ${static-no}"
2303 echo "shared ${shared-no}"
2304 echo "postprocessing support ${postproc-no}"
2305 echo "new filter support ${avfilter-no}"
2306 echo "filters using lavformat ${avfilter_lavf-no}"
2307 echo "network support ${network-no}"
2308 if enabled network; then
2309 echo "IPv6 support ${ipv6-no}"
2311 echo "threading support ${thread_type-no}"
2312 echo "SDL support ${sdl-no}"
2313 if enabled sdl_too_old; then
2314 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2316 echo "Sun medialib support ${mlib-no}"
2317 echo "AVISynth enabled ${avisynth-no}"
2318 echo "libamr-nb support ${libamr_nb-no}"
2319 echo "libamr-wb support ${libamr_wb-no}"
2320 echo "libdc1394 support ${libdc1394-no}"
2321 echo "libdirac enabled ${libdirac-no}"
2322 echo "libfaac enabled ${libfaac-no}"
2323 echo "libfaad enabled ${libfaad-no}"
2324 echo "libfaad dlopened ${libfaadbin-no}"
2325 echo "libgsm enabled ${libgsm-no}"
2326 echo "libmp3lame enabled ${libmp3lame-no}"
2327 echo "libnut enabled ${libnut-no}"
2328 echo "libopenjpeg enabled ${libopenjpeg-no}"
2329 echo "libschroedinger enabled ${libschroedinger-no}"
2330 echo "libspeex enabled ${libspeex-no}"
2331 echo "libtheora enabled ${libtheora-no}"
2332 echo "libvorbis enabled ${libvorbis-no}"
2333 echo "libx264 enabled ${libx264-no}"
2334 echo "libxvid enabled ${libxvid-no}"
2335 echo "zlib enabled ${zlib-no}"
2336 echo "bzlib enabled ${bzlib-no}"
2339 for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
2340 echo "Enabled ${type}s:"
2341 eval list=\$$(toupper $type)_LIST
2342 for part in $list; do
2343 enabled $part && echo ${part%_*}
2344 done | sort | pr -3 -t
2349 if enabled nonfree; then
2350 license="unredistributable"
2351 elif enabled gpl; then
2355 echo "License: $license"
2357 echo "Creating config.mak and config.h..."
2359 echo "# Automatically generated by configure - do not modify!" > config.mak
2360 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2361 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2362 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2363 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2364 echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2366 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2367 echo "prefix=$prefix" >> config.mak
2368 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2369 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2370 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2371 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2372 echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2373 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2374 echo "SRC_PATH=\"$source_path\"" >> config.mak
2375 echo "SRC_PATH_BARE=$source_path" >> config.mak
2376 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2377 echo "CC=$cc" >> config.mak
2378 echo "AS=$as" >> config.mak
2379 echo "YASM=$yasmexe" >> config.mak
2380 echo "AR=$ar" >> config.mak
2381 echo "RANLIB=$ranlib" >> config.mak
2382 echo "LN_S=$ln_s" >> config.mak
2383 enabled stripping &&
2384 echo "STRIP=$strip" >> config.mak ||
2385 echo "STRIP=echo ignoring strip" >> config.mak
2387 echo "OPTFLAGS=$CFLAGS" >> config.mak
2388 echo "LDFLAGS=$LDFLAGS" >> config.mak
2389 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2390 echo "SHFLAGS=$SHFLAGS" >> config.mak
2391 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2392 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2393 echo "BUILD_STATIC=$static" >> config.mak
2394 echo "BUILDSUF=$build_suffix" >> config.mak
2395 echo "FULLNAME=$FULLNAME" >> config.mak
2396 echo "LIBPREF=$LIBPREF" >> config.mak
2397 echo "LIBSUF=$LIBSUF" >> config.mak
2398 echo "LIBNAME=$LIBNAME" >> config.mak
2399 echo "SLIBPREF=$SLIBPREF" >> config.mak
2400 echo "SLIBSUF=$SLIBSUF" >> config.mak
2401 echo "EXESUF=$EXESUF" >> config.mak
2402 echo "EXTRA_VERSION=$extra_version" >> config.mak
2403 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2404 echo "HOSTCC=$host_cc" >> config.mak
2405 echo "HOSTCFLAGS=$host_cflags" >> config.mak
2406 echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
2407 echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2408 echo "HOSTLIBS=$host_libs" >> config.mak
2409 echo "TARGET_EXEC=$target_exec" >> config.mak
2410 echo "TARGET_PATH=$target_path" >> config.mak
2412 if enabled bigendian; then
2413 echo "WORDS_BIGENDIAN=yes" >> config.mak
2414 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2417 if enabled sdl; then
2418 echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2419 echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
2421 if enabled texi2html; then
2422 echo "BUILD_DOC=yes" >> config.mak
2427 file=$source_path/$2
2428 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2429 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2430 lcname=$(tolower $name)
2431 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2432 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2435 get_version LIBSWSCALE libswscale/swscale.h
2436 get_version LIBPOSTPROC libpostproc/postprocess.h
2437 get_version LIBAVCODEC libavcodec/avcodec.h
2438 get_version LIBAVDEVICE libavdevice/avdevice.h
2439 get_version LIBAVFORMAT libavformat/avformat.h
2440 get_version LIBAVUTIL libavutil/avutil.h
2441 get_version LIBAVFILTER libavfilter/avfilter.h
2443 if enabled shared; then
2444 echo "BUILD_SHARED=yes" >> config.mak
2445 echo "PIC=-fPIC -DPIC" >> config.mak
2446 echo "LIBTARGET=${LIBTARGET}" >> config.mak
2447 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2448 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2449 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2450 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2451 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2452 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2453 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2455 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2456 echo "EXTRALIBS=$extralibs" >> config.mak
2458 echo "ARCH=$arch" >> config.mak
2460 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2461 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2462 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2475 echo "#define restrict $_restrict" >> $TMPH
2477 if enabled small; then
2478 echo "#define av_always_inline" >> $TMPH
2482 # Apparently it's not possible to portably echo a backslash.
2483 enabled asmalign_pot &&
2484 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2485 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2487 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2489 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2491 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2492 cmp -s $TMPH config.h &&
2493 echo "config.h is unchanged" ||
2494 mv -f $TMPH config.h
2496 # build tree in object directory if source path is different from current one
2497 if enabled source_path_used; then
2528 libavcodec/Makefile \
2529 libavdevice/Makefile \
2530 libavfilter/Makefile \
2531 libavformat/Makefile \
2532 libavutil/Makefile \
2533 libpostproc/Makefile \
2534 libswscale/Makefile \
2536 for dir in $DIRS ; do
2539 for f in $FILES ; do
2540 $ln_s "$source_path/$f" $f
2545 # build pkg-config files
2547 pkgconfig_generate(){
2549 shortname=${name#lib}${build_suffix}
2554 cat <<EOF > $name/$name.pc
2556 exec_prefix=\${prefix}
2561 Description: $comment
2563 Requires: $(disabled shared && echo $requires)
2564 Requires.private: $(enabled shared && echo $requires)
2566 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2567 Libs.private: $(enabled shared && echo $libs)
2568 Cflags: -I\${includedir}
2570 cat <<EOF > $name/$name-uninstalled.pc
2573 libdir=\${pcfiledir}
2574 includedir=${source_path}
2577 Description: $comment
2581 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2582 Cflags: -I\${includedir}
2586 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2587 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2588 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2589 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2591 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2593 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2594 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"