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 " --enable-xvmc enable XvMC support [no]"
95 echo " --disable-network disable network support [no]"
96 echo " --disable-ipv6 disable IPv6 support [no]"
97 echo " --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]"
98 echo " --enable-gray enable full grayscale support (slower color)"
99 echo " --disable-fastdiv disable table-based division"
100 echo " --enable-small optimize for size instead of speed"
101 echo " --disable-aandct disable AAN DCT code"
102 echo " --disable-fft disable FFT code"
103 echo " --disable-golomb disable Golomb code"
104 echo " --disable-mdct disable MDCT code"
105 echo " --disable-rdft disable RDFT code"
106 echo " --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
107 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
108 echo " --enable-beos-netserver enable BeOS netserver"
109 echo " --disable-encoder=NAME disable encoder NAME"
110 echo " --enable-encoder=NAME enable encoder NAME"
111 echo " --disable-encoders disable all encoders"
112 echo " --disable-decoder=NAME disable decoder NAME"
113 echo " --enable-decoder=NAME enable decoder NAME"
114 echo " --disable-decoders disable all decoders"
115 echo " --disable-muxer=NAME disable muxer NAME"
116 echo " --enable-muxer=NAME enable muxer NAME"
117 echo " --disable-muxers disable all muxers"
118 echo " --disable-demuxer=NAME disable demuxer NAME"
119 echo " --enable-demuxer=NAME enable demuxer NAME"
120 echo " --disable-demuxers disable all demuxers"
121 echo " --enable-parser=NAME enable parser NAME"
122 echo " --disable-parser=NAME disable parser NAME"
123 echo " --disable-parsers disable all parsers"
124 echo " --enable-bsf=NAME enable bitstream filter NAME"
125 echo " --disable-bsf=NAME disable bitstream filter NAME"
126 echo " --disable-bsfs disable all bitstream filters"
127 echo " --enable-protocol=NAME enable protocol NAME"
128 echo " --disable-protocol=NAME disable protocol NAME"
129 echo " --disable-protocols disable all protocols"
130 echo " --disable-indevs disable input devices"
131 echo " --disable-outdevs disable output devices"
132 echo " --disable-devices disable all devices"
133 echo " --enable-filter=NAME enable filter NAME"
134 echo " --disable-filter=NAME disable filter NAME"
135 echo " --disable-filters disable all filters"
136 echo " --list-decoders show all available decoders"
137 echo " --list-encoders show all available encoders"
138 echo " --list-muxers show all available muxers"
139 echo " --list-demuxers show all available demuxers"
140 echo " --list-parsers show all available parsers"
141 echo " --list-protocols show all available protocols"
142 echo " --list-bsfs show all available bitstream filters"
143 echo " --list-indevs show all available input devices"
144 echo " --list-outdevs show all available output devices"
145 echo " --list-filters show all available filters"
147 echo "External library support:"
148 echo " --enable-avisynth enable reading of AVISynth script files [no]"
149 echo " --enable-bzlib enable bzlib [autodetect]"
150 echo " --enable-libamr-nb enable libamr-nb floating point audio codec [no]"
151 echo " --enable-libamr-wb enable libamr-wb floating point audio codec [no]"
152 echo " --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394"
153 echo " and libraw1394 [no]"
154 echo " --enable-libdirac enable Dirac support via libdirac [no]"
155 echo " --enable-libfaac enable FAAC support via libfaac [no]"
156 echo " --enable-libfaad enable FAAD support via libfaad [no]"
157 echo " --enable-libfaadbin open libfaad.so.0 at runtime [no]"
158 echo " --enable-libgsm enable GSM support via libgsm [no]"
159 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [no]"
160 echo " --enable-libnut enable NUT (de)muxing via libnut,"
161 echo " native (de)muxer exists [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 [$cross_prefix]"
176 echo " --enable-cross-compile assume a cross-compiler is used"
177 echo " --target-os=OS compiler targets OS [$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 " --cc=CC use C compiler CC [$cc_default]"
182 echo " --host-cc=HOSTCC use host C compiler HOSTCC"
183 echo " --host-cflags=HCFLAGS use HCFLAGS when compiling for host"
184 echo " --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host"
185 echo " --host-libs=HLIBS use libs HLIBS when linking for host"
186 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
187 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
188 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
189 echo " --extra-version=STRING version string suffix []"
190 echo " --build-suffix=SUFFIX library name suffix []"
191 echo " --arch=ARCH select architecture [$arch]"
192 echo " --cpu=CPU select the minimum required CPU (affects"
193 echo " instruction selection, may crash on older CPUs)"
194 echo " --enable-powerpc-perf enable performance report on PPC"
195 echo " (requires enabling PMC)"
196 echo " --disable-altivec disable AltiVec optimizations"
197 echo " --disable-amd3dnow disable 3DNow! optimizations"
198 echo " --disable-mmx disable MMX optimizations"
199 echo " --disable-mmx2 disable MMX2 optimizations"
200 echo " --disable-sse disable SSE optimizations"
201 echo " --disable-ssse3 disable SSSE3 optimizations"
202 echo " --disable-armv5te disable armv5te optimizations"
203 echo " --disable-armv6 disable armv6 optimizations"
204 echo " --disable-armv6t2 disable armv6t2 optimizations"
205 echo " --disable-armvfp disable ARM VFP optimizations"
206 echo " --disable-iwmmxt disable iwmmxt optimizations"
207 echo " --disable-mmi disable MMI optimizations"
208 echo " --disable-neon disable neon optimizations"
209 echo " --disable-vis disable VIS optimizations"
211 echo "Developer options (useful when working on FFmpeg itself):"
212 echo " --disable-debug disable debugging symbols"
213 echo " --enable-debug=LEVEL set the debug level [$debuglevel]"
214 echo " --enable-gprof enable profiling with gprof [$gprof]"
215 echo " --disable-optimizations disable compiler optimizations"
216 echo " --enable-extra-warnings enable more compiler warnings"
217 echo " --disable-stripping disable stripping of executables and shared libraries"
219 echo "NOTE: Object files are built at the place where configure is launched."
224 echo "$@" >> $logfile
229 pr -n -t $1 >> $logfile
241 If you think configure made a mistake, make sure you are using the latest
242 version from SVN. If the latest version fails, report the problem to the
243 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
245 if disabled logging; then
247 Rerun configure with logging enabled (do not use --disable-logging), and
248 include the log this produces with your report.
252 Include the log file "$logfile" produced by configure as this will help
256 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
260 # Avoid locale weirdness, besides we really just want to translate ASCII.
262 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
266 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
270 echo "$*" | sed 's/["\\]/\\\0/g'
285 eval : \${$var:=$value}
291 eval level=\${${var}_level:=0}
292 eval ${var}_${level}="\$$var"
293 eval ${var}_level=$(($level+1))
299 eval level=\${${var}_level:-0}
300 test $level = 0 && continue
301 eval level=$(($level-1))
302 eval $var="\${${var}_${level}}"
303 eval ${var}_level=$level
304 eval unset ${var}_${level}
326 enabled $var && continue
327 eval sel="\$${var}_select"
328 eval sgs="\$${var}_suggest"
332 enable_deep_weak $sgs
348 test "${1#!}" = "$1" && op== || op=!=
349 eval test "x\$${1#!}" $op "xyes"
353 test "${1#!}" = "$1" && op== || op=!=
354 eval test "x\$${1#!}" $op "xno"
359 enabled $opt || return 1
365 disabled $opt || return 1
371 enabled $opt && return 0
377 disabled $opt && return 0
384 eval : \${$opt:=\$${opt}_default}
392 [ $var = $value ] && return 0
400 enabled ${cfg}_checking && die "Circular dependency for $cfg."
401 disabled ${cfg}_checking && continue
402 enable ${cfg}_checking
404 eval dep_all="\$${cfg}_deps"
405 eval dep_any="\$${cfg}_deps_any"
406 eval dep_sel="\$${cfg}_select"
407 eval dep_sgs="\$${cfg}_suggest"
409 pushvar cfg dep_all dep_any dep_sel dep_sgs
410 check_deps $dep_all $dep_any $dep_sel $dep_sgs
411 popvar cfg dep_all dep_any dep_sel dep_sgs
413 enabled_all $dep_all || disable $cfg
414 enabled_any $dep_any || disable $cfg
415 disabled_any $dep_sel && disable $cfg
417 if enabled $cfg; then
418 eval dep_extralibs="\$${cfg}_extralibs"
419 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
421 enable_deep_weak $dep_sgs
424 disable ${cfg}_checking
434 ucname="`toupper $cfg`"
435 if enabled $cfg; then
436 echo "#define ${pfx}${ucname} 1" >> $header
437 echo "${pfx}${ucname}=yes" >> $makefile
439 echo "#define ${pfx}${ucname} 0" >> $header
445 (: ${SAVE_CFLAGS?}) 2> /dev/null
449 flags_saved && return
450 SAVE_CFLAGS="$CFLAGS"
451 SAVE_LDFLAGS="$LDFLAGS"
452 SAVE_extralibs="$extralibs"
456 flags_saved || return
457 CFLAGS="$SAVE_CFLAGS"
458 LDFLAGS="$SAVE_LDFLAGS"
459 extralibs="$SAVE_extralibs"
472 LDFLAGS="$LDFLAGS $*"
477 extralibs="$extralibs $*"
483 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
484 eval "$var=\"\$$var $*\""
496 append extralibs "$@"
501 "$@" >> $logfile 2>&1
508 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
515 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
523 check_cc "$@" <<EOF && enable $name || disable $name
524 void foo(void){ __asm__ volatile($asm); }
533 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
542 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
544 check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
548 log check_cflags "$@"
549 check_cc "$@" <<EOF && add_cflags "$@"
555 log check_ldflags "$@"
556 check_ld "$@" <<EOF && add_ldflags "$@"
557 int main(void){ return 0; }
562 log check_header "$@"
565 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
567 check_cpp "$@" <<EOF && enable $var
578 check_ld "$@" <<EOF && enable $func
580 int main(void){ $func(); }
584 check_func_headers(){
585 log check_func_headers "$@"
591 for hdr in $headers; do
595 check_ld "$@" <<EOF && enable $func
597 int main(int argc, char **argv){
604 check_cpp_condition(){
605 log check_cpp_condition "$@"
611 #error "unsatisfied condition: $condition"
622 check_header $header && check_func $func && add_extralibs "$@"
634 check_func_headers "$headers" $func && add_extralibs "$@"
641 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
647 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
648 # are safe but may not be available everywhere. Thus we use
649 # raise(SIGTERM) instead. The check is run in a subshell so we
650 # can redirect the "Terminated" message from the shell. SIGBUS
651 # is not defined by standard C so it is used conditionally.
653 (check_exec "$@") >> $logfile 2>&1 <<EOF
655 static void sighandler(int sig){
659 signal(SIGILL, sighandler);
660 signal(SIGFPE, sighandler);
661 signal(SIGSEGV, sighandler);
663 signal(SIGBUS, sighandler);
677 for hdr in $headers; do
681 check_cc "$@" <<EOF && enable $type
692 check_lib $header $func "$@" || die "ERROR: $name not found"
700 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
710 check_cmd ${pkg}-config --version
712 if test "$err" = 0; then
713 temp_cflags `${pkg}-config --cflags`
714 temp_extralibs `${pkg}-config --libs`
715 check_lib "$@" $header $func && enable $cfg
723 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
726 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
727 # system-dependent things.
851 dev_bktr_ioctl_bt848_h
852 dev_bktr_ioctl_meteor_h
854 dev_video_meteor_ioctl_meteor_h
855 dev_video_bktr_ioctl_bt848_h
877 machine_ioctl_bt848_h
878 machine_ioctl_meteor_h
905 # options emitted with CONFIG_ prefix but not available on command line
953 # code dependency declarations
955 # architecture extensions
973 fft_suggest="fft_mmx"
974 fft_mmx_deps="mmx yasm"
975 oldscaler_deps="!swscale"
977 # decoders / encoders
978 aac_decoder_select="fft mdct"
979 ac3_decoder_deps="gpl"
980 ac3_decoder_select="fft mdct"
981 atrac3_decoder_select="fft mdct"
982 cavs_decoder_select="golomb"
983 cook_decoder_select="fft mdct"
984 cscd_decoder_suggest="zlib"
985 dca_decoder_select="fft mdct"
986 dnxhd_encoder_select="aandct"
987 dxa_decoder_select="zlib"
988 eac3_decoder_deps="gpl"
989 eac3_decoder_select="fft mdct"
990 eatgq_decoder_select="aandct"
991 ffv1_decoder_select="golomb"
992 flac_decoder_select="golomb"
993 flac_encoder_select="golomb"
994 flashsv_decoder_select="zlib"
995 flashsv_encoder_select="zlib"
996 flv_encoder_select="aandct"
997 h261_encoder_select="aandct"
998 h263_encoder_select="aandct"
999 h263p_encoder_select="aandct"
1000 h264_decoder_select="golomb"
1001 h264_vdpau_decoder_deps="vdpau"
1002 imc_decoder_select="fft mdct"
1003 jpegls_decoder_select="golomb"
1004 jpegls_encoder_select="golomb"
1005 ljpeg_encoder_select="aandct"
1006 loco_decoder_select="golomb"
1007 mjpeg_encoder_select="aandct"
1008 mpeg1video_encoder_select="aandct"
1009 mpeg2video_encoder_select="aandct"
1010 mpeg4_encoder_select="aandct"
1011 mpeg_vdpau_decoder_deps="vdpau"
1012 mpeg1_vdpau_decoder_deps="vdpau"
1013 mpeg_xvmc_decoder_deps="xvmc X11_extensions_XvMClib_h"
1014 msmpeg4v1_encoder_select="aandct"
1015 msmpeg4v2_encoder_select="aandct"
1016 msmpeg4v3_encoder_select="aandct"
1017 nellymoser_decoder_select="fft mdct"
1018 nellymoser_encoder_select="fft mdct"
1019 png_decoder_select="zlib"
1020 png_encoder_select="zlib"
1021 qdm2_decoder_select="fft mdct"
1022 rv10_encoder_select="aandct"
1023 rv20_encoder_select="aandct"
1024 shorten_decoder_select="golomb"
1025 sonic_decoder_select="golomb"
1026 sonic_encoder_select="golomb"
1027 sonic_ls_encoder_select="golomb"
1028 svq3_decoder_select="golomb"
1029 svq3_decoder_suggest="zlib"
1030 tiff_decoder_suggest="zlib"
1031 tiff_encoder_suggest="zlib"
1032 tscc_decoder_select="zlib"
1033 vc1_vdpau_decoder_deps="vdpau"
1034 vorbis_decoder_select="fft mdct"
1035 vorbis_encoder_select="fft mdct"
1036 wmav1_decoder_select="fft mdct"
1037 wmav1_encoder_select="fft mdct"
1038 wmav2_decoder_select="fft mdct"
1039 wmav2_encoder_select="fft mdct"
1040 wmv1_encoder_select="aandct"
1041 wmv2_encoder_select="aandct"
1042 wmv3_vdpau_decoder_deps="vdpau"
1043 zlib_decoder_select="zlib"
1044 zlib_encoder_select="zlib"
1045 zmbv_decoder_select="zlib"
1046 zmbv_encoder_select="zlib"
1048 # external libraries
1049 libamr_nb_decoder_deps="libamr_nb"
1050 libamr_nb_encoder_deps="libamr_nb"
1051 libamr_wb_decoder_deps="libamr_wb"
1052 libamr_wb_encoder_deps="libamr_wb"
1053 libdirac_decoder_deps="libdirac !libschroedinger"
1054 libdirac_encoder_deps="libdirac"
1055 libfaac_encoder_deps="libfaac"
1056 libfaad_decoder_deps="libfaad"
1057 libfaadbin_decoder_extralibs='$ldl'
1058 libgsm_decoder_deps="libgsm"
1059 libgsm_encoder_deps="libgsm"
1060 libgsm_ms_decoder_deps="libgsm"
1061 libgsm_ms_encoder_deps="libgsm"
1062 libmp3lame_encoder_deps="libmp3lame"
1063 libschroedinger_decoder_deps="libschroedinger"
1064 libschroedinger_encoder_deps="libschroedinger"
1065 libspeex_decoder_deps="libspeex"
1066 libtheora_encoder_deps="libtheora"
1067 libvorbis_encoder_deps="libvorbis"
1068 libx264_encoder_deps="libx264"
1069 libxvid_encoder_deps="libxvid"
1070 mpeg4aac_decoder_deps="libfaad"
1071 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1074 ac3_demuxer_deps="ac3_parser"
1075 alsa_demuxer_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1076 alsa_demuxer_extralibs="-lasound"
1077 alsa_muxer_deps="alsa_asoundlib_h"
1078 alsa_muxer_extralibs="-lasound"
1079 audio_beos_demuxer_deps="audio_beos"
1080 audio_beos_demuxer_extralibs="-lmedia -lbe"
1081 audio_beos_muxer_deps="audio_beos"
1082 audio_beos_muxer_extralibs="-lmedia -lbe"
1083 avisynth_demuxer_deps="avisynth"
1084 bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1085 dirac_demuxer_deps="dirac_parser"
1086 dv1394_demuxer_deps="dv1394 dv_demuxer"
1087 libdc1394_demuxer_deps="libdc1394"
1088 libnut_demuxer_deps="libnut"
1089 libnut_muxer_deps="libnut"
1090 matroska_demuxer_suggest="zlib bzlib"
1091 mov_demuxer_suggest="zlib"
1092 mp3_demuxer_deps="mpegaudio_parser"
1093 oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
1094 oss_muxer_deps_any="soundcard_h sys_soundcard_h"
1095 redir_demuxer_deps="network"
1096 rtp_muxer_deps="network rtp_protocol"
1097 rtsp_demuxer_deps="sdp_demuxer"
1098 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1099 v4l_demuxer_deps="linux_videodev_h"
1100 v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
1101 vfwcap_demuxer_deps="capCreateCaptureWindow"
1102 vfwcap_demuxer_extralibs="-lvfw32"
1103 x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
1104 x11_grab_device_demuxer_extralibs="-lX11 -lXext"
1107 http_protocol_deps="network"
1108 rtp_protocol_deps="udp_protocol"
1109 tcp_protocol_deps="network"
1110 udp_protocol_deps="network"
1113 movie_filter_deps="avfilter_lavf"
1117 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1118 ffserver_extralibs='$ldl'
1119 vhook_extralibs='$ldl'
1122 # default parameters
1124 logfile="config.err"
1126 # installation paths
1127 prefix_default="/usr/local"
1128 bindir_default='${prefix}/bin'
1129 datadir_default='${prefix}/share/ffmpeg'
1130 incdir_default='${prefix}/include'
1131 libdir_default='${prefix}/lib'
1132 mandir_default='${prefix}/share/man'
1133 shlibdir_default="$libdir_default"
1138 host_cc_default="gcc"
1151 target_os=$(tolower $(uname -s))
1153 # configurable options
1162 enable optimizations
1169 add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1170 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1171 VHOOKSHFLAGS='$(SHFLAGS)'
1172 FFSERVERLDFLAGS=-Wl,-E
1175 FULLNAME='$(NAME)$(BUILDSUF)'
1176 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1179 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1180 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1181 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1182 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1184 host_cflags='-O3 -g -Wall'
1189 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1190 # full relative path for objects in subdirectories for non-recursive Make.
1191 DEPEND_CMD='$(CC) $(CFLAGS) -MM -MG $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," -e "s,\\([[:space:]]\\)\\(version\\.h\\),\\1\$$(BUILD_ROOT_REL)/\\2,"'
1194 source_path="`dirname \"$0\"`"
1195 enable source_path_used
1196 if test -z "$source_path" -o "$source_path" = "." ; then
1198 disable source_path_used
1200 source_path="`cd \"$source_path\"; pwd`"
1201 echo "$source_path" | grep -q '[[:blank:]]' &&
1202 die "Out of tree builds are impossible with whitespace in source path."
1205 FFMPEG_CONFIGURATION="$@"
1210 file=$source_path/$3
1211 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1214 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1215 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1216 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1217 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1218 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1219 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1220 OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
1221 INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
1222 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1223 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1225 enable $ARCH_EXT_LIST \
1238 echo "Unknown option \"$1\"."
1239 echo "See $0 --help for available options."
1246 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1253 --extra-cflags=*) add_cflags $optval
1255 --extra-ldflags=*) add_ldflags $optval
1257 --extra-libs=*) add_extralibs $optval
1259 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1261 --enable-debug=*) debuglevel="$optval"
1263 --enable-*=*|--disable-*=*)
1264 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1266 encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1267 *) die_unknown "$opt" ;;
1270 --enable-?*|--disable-?*)
1271 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1272 if is_in $option $COMPONENT_LIST; then
1273 eval $action \$$(toupper ${option%s})_LIST
1274 elif is_in $option $CMDLINE_SELECT; then
1281 NAME="${opt#--list-}"
1282 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1284 eval show_list $NAME \$$(toupper $NAME)_LIST
1286 --help|-h) show_help
1289 optname="${opt%%=*}"
1290 optname="${optname#--}"
1291 optname=$(echo "$optname" | sed 's/-/_/g')
1292 is_in $optname $CMDLINE_SET || die_unknown $opt
1293 eval $optname='$optval'
1298 disabled logging && logfile=/dev/null
1300 echo "# $0 $@" > $logfile
1303 test -n "$cross_prefix" && enable cross_compile
1305 ar="${cross_prefix}${ar}"
1306 cc_default="${cross_prefix}${cc_default}"
1307 nm_default="${cross_prefix}${nm_default}"
1308 ranlib="${cross_prefix}${ranlib}"
1309 strip="${cross_prefix}${strip}"
1312 enabled cross_compile || host_cc_default=$cc
1315 # set temporary file name
1316 : ${TMPDIR:=$TEMPDIR}
1320 TMPC="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1321 TMPE="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1322 TMPH="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1323 TMPO="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1324 TMPS="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1325 TMPSH="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
1327 check_cflags -std=c99
1330 i386|i486|i586|i686|i86pc|BePC)
1333 enable fast_unaligned
1340 enable fast_unaligned
1341 check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1342 int test[sizeof(char*) - 7];
1353 "Power Macintosh"|ppc|powerpc)
1355 enable fast_unaligned
1360 enable fast_unaligned
1405 enable $arch $subarch
1410 prefix_default="$HOME/config"
1411 # helps building libavcodec
1412 add_cflags -DPIC -fomit-frame-pointer
1413 # 3 gcc releases known for BeOS, each with ugly bugs
1414 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1415 case "$gcc_version" in
1416 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1419 *20010315*) echo "BeBits gcc"
1420 add_cflags -fno-expensive-optimizations
1424 # enable BeOS things
1426 # no need for libm, but the inet stuff
1428 # XXX: actually should check for NOT net_server
1429 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1430 network_extralibs="-lbind -lsocket"
1432 enable beos_netserver
1433 network_extralibs="-lnet"
1437 SHFLAGS='-shared -Wl,-h,$$(@F)'
1438 network_extralibs="-lsocket -lnsl"
1439 add_cflags -D__EXTENSIONS__
1442 oss_demuxer_extralibs="-lossaudio"
1443 oss_muxer_extralibs="-lossaudio"
1446 disable need_memalign
1447 LIBOBJFLAGS='$(PIC)'
1449 oss_demuxer_extralibs="-lossaudio"
1450 oss_muxer_extralibs="-lossaudio"
1453 disable need_memalign
1456 osextralibs="-lpoll -lgnugetopt"
1460 disable need_memalign
1461 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1462 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
1464 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1466 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1467 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1468 FFSERVERLDFLAGS=-Wl,-bind_at_load
1470 enabled x86_64 && objformat="macho64"
1475 if enabled x86_64; then
1476 disable need_memalign
1479 shlibdir_default="$bindir_default"
1480 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1481 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1482 if enabled swscale; then
1483 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1484 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1490 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1491 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1492 SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1493 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1494 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1495 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1496 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1499 if ! enabled x86_64; then
1500 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1501 die "ERROR: MinGW runtime version must be >= 3.15."
1502 enabled_any avisynth vfwcap_demuxer &&
1503 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1504 die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1509 shlibdir_default="$bindir_default"
1510 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1511 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1512 if enabled swscale; then
1513 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1514 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1519 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1520 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1521 SHFLAGS='-shared -Wl,--enable-auto-image-base'
1525 *-dos|freedos|opendos)
1526 disable ffplay ffserver vhook
1527 disable $INDEV_LIST $OUTDEV_LIST
1528 network_extralibs="-lsocket"
1538 ranlib="echo ignoring ranlib"
1544 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1545 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1550 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1551 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1552 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1553 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1554 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1555 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1556 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1557 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1558 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1559 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1560 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1561 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1570 die "Unknown OS '$target_os'."
1574 set_default $PATHS_LIST
1576 add_extralibs $osextralibs
1578 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1579 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1581 # we need to build at least one lib type
1582 if ! enabled_any static shared; then
1584 At least one library type must be built.
1585 Specify --enable-static to build the static libraries or --enable-shared to
1586 build the shared libraries as well. To only build the shared libraries specify
1587 --disable-static in addition to --enable-shared.
1592 disabled static && LIBNAME=""
1594 if enabled_any libfaad libfaadbin ; then
1595 if check_header faad.h; then
1598 #ifndef FAAD2_VERSION
1601 int main(void) { return 0; }
1603 test $? = 0 && enable libfaad2
1605 die "FAAD test failed."
1610 if ! enabled gpl; then
1614 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1616 die_gpl_disabled "The Postprocessing code" postproc
1617 die_gpl_disabled "libx264" libx264
1618 die_gpl_disabled "libxvidcore" libxvid
1619 die_gpl_disabled "FAAD2" libfaad2
1620 die_gpl_disabled "The X11 grabber" x11grab
1621 die_gpl_disabled "The software scaler" swscale
1624 if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1625 die "libamr is nonfree and --enable-nonfree is not specified."
1628 check_deps $ARCH_EXT_LIST
1630 test -z "$need_memalign" && need_memalign="$mmx"
1633 if test $target_os = darwin; then
1634 if $cc -v 2>&1 | grep -q xlc; then
1635 add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
1638 check_cflags -force_cpusubtype_ALL
1639 check_cflags -Wno-sign-compare
1640 enabled shared || check_cflags -mdynamic-no-pic
1644 disabled optimizations || check_cflags -fomit-frame-pointer
1646 # Add processor-specific flags
1647 if test $cpu != "generic"; then
1649 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1652 601|ppc601|PowerPC601)
1653 add_cflags -mcpu=601
1654 warn_altivec enabled PPC601
1656 603*|ppc603*|PowerPC603*)
1657 add_cflags -mcpu=603
1658 warn_altivec enabled PPC603
1660 604*|ppc604*|PowerPC604*)
1661 add_cflags -mcpu=604
1662 warn_altivec enabled PPC604
1664 G3|g3|75*|ppc75*|PowerPC75*)
1665 add_cflags -mcpu=750 -mpowerpc-gfxopt
1666 warn_altivec enabled PPC75x
1668 G4|g4|745*|ppc745*|PowerPC745*)
1669 add_cflags -mcpu=7450 -mpowerpc-gfxopt
1670 warn_altivec disabled PPC745x
1672 74*|ppc74*|PowerPC74*)
1673 add_cflags -mcpu=7400 -mpowerpc-gfxopt
1674 warn_altivec disabled PPC74xx
1676 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1677 add_cflags -mcpu=970 -mpowerpc-gfxopt -mpowerpc64
1678 warn_altivec disabled PPC970
1682 add_cflags -mcpu=cell
1683 warn_altivec disabled Cell
1686 # targets that do NOT support conditional mov (cmov)
1687 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1688 add_cflags -march=$cpu
1691 # targets that do support conditional mov (cmov)
1692 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1693 add_cflags -march=$cpu
1697 # targets that do support conditional mov but on which it's slow
1698 pentium4|pentium4m|prescott|nocona)
1699 add_cflags -march=$cpu
1707 add_cflags -mcpu=$cpu
1708 enable fast_unaligned
1711 add_cflags -march=$cpu
1714 add_cflags -mcpu=$cpu
1716 ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1717 add_cflags -mcpu=$cpu
1720 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1725 # make sure we can execute files in $TMPDIR
1726 cat > $TMPSH 2>> $logfile <<EOF
1729 chmod +x $TMPSH >> $logfile 2>&1
1730 if ! $TMPSH >> $logfile 2>&1; then
1732 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1733 variable to another directory and make sure that it is not mounted noexec.
1735 die "Sanity test failed."
1739 # compiler sanity check
1741 int main(void){ return 0; }
1743 if test "$?" != 0; then
1744 echo "$cc is unable to create an executable file."
1745 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1746 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1747 echo "Only do this if you know what cross compiling means."
1749 die "C compiler test failed."
1752 check_cc <<EOF || die "Symbol mangling check failed."
1755 sym=$($nm -P -g $TMPO | grep ff_extern)
1756 extern_prefix=${sym%%ff_extern*}
1758 check_asm inline_asm '""'
1760 if enabled x86; then
1761 # check whether EBP is available on x86
1762 # As 'i' is stored on the stack, this program will crash
1763 # if the base pointer is used to access it because the
1764 # base pointer is cleared in the inline assembly code.
1765 check_exec_crash <<EOF && enable ebp_available
1773 # check wether EBX is available on x86
1774 check_asm ebx_available '"":::"%ebx"'
1776 # check whether binutils is new enough to compile SSSE3/MMX2
1777 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1778 enabled mmx2 && check_asm mmx2 '"movss %xmm0, %xmm0"'
1780 check_asm bswap '"bswap %%eax" ::: "%eax"'
1782 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
1783 enabled x86_64 && append YASMFLAGS "-m amd64"
1784 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1785 case "$objformat" in
1786 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1787 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
1788 *) append YASMFLAGS "-DPREFIX" ;;
1790 check_yasm "pabsw xmm0, xmm0" && enable yasm
1793 # check for assembler specific support
1795 enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
1796 enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
1798 # check for SIMD availability
1800 # AltiVec flags: The FSF version of GCC differs from the Apple version
1801 if enabled altivec; then
1802 check_cflags -maltivec -mabi=altivec &&
1803 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1804 check_cflags -faltivec
1806 # check if our compiler supports Motorola AltiVec C API
1807 check_cc <<EOF || disable altivec
1810 vector signed int v1, v2, v3;
1811 v1 = vec_add(v2,v3);
1816 # check if our compiler supports braces for vector declarations
1817 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1819 int main (void) { (vector int) {1}; return 0; }
1823 # We have to check if pld is a nop and disable it.
1824 enabled arm && check_asm pld '"pld [r0]"'
1825 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1826 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
1827 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
1828 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
1829 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1830 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
1831 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
1832 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1834 enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
1837 # big/little-endian test
1838 check_cc <<EOF || die "endian test failed"
1839 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1841 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1844 # check availability of some header files
1846 if check_func dlopen; then
1848 elif check_func dlopen -ldl; then
1853 check_func gethrtime
1854 check_func getrusage
1855 check_func inet_aton $network_extralibs
1858 check_func posix_memalign
1859 check_func_headers io.h setmode
1860 check_func_headers windows.h GetProcessTimes
1862 check_header conio.h
1863 check_header dlfcn.h
1864 check_header malloc.h
1866 check_header sys/mman.h
1867 check_header sys/resource.h
1868 check_header sys/select.h
1869 check_header termios.h
1870 check_header vdpau/vdpau.h
1871 check_header vdpau/vdpau_x11.h
1872 check_header X11/extensions/XvMClib.h
1874 if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
1875 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
1878 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
1879 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1881 # check for some common methods of building with pthread support
1882 # do this before the optional library checks as some of them require pthreads
1883 if enabled pthreads; then
1884 if check_func pthread_create; then
1886 elif check_func pthread_create -pthread; then
1888 add_extralibs -pthread
1889 elif check_func pthread_create -pthreads; then
1890 add_cflags -pthreads
1891 add_extralibs -pthreads
1892 elif check_func pthread_create -lpthreadGC2; then
1893 add_extralibs -lpthreadGC2
1894 elif ! check_lib pthread.h pthread_create -lpthread; then
1895 die "ERROR: can't find pthreads library"
1899 for thread in $THREADS_LIST; do
1900 if enabled $thread; then
1901 test -n "$thread_type" &&
1902 die "ERROR: Only one thread type must be selected." ||
1903 thread_type="$thread"
1907 check_lib math.h sin -lm
1909 # test for C99 functions in math.h
1910 for func in llrint lrint lrintf round roundf truncf; do
1911 check_exec <<EOF && enable $func || disable $func
1913 int main(void) { return ($func(3.999f) > 0)?0:1; }
1917 # these are off by default, so fail if requested and not available
1918 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1919 enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1920 enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1921 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
1922 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
1923 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
1924 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1925 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
1926 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1927 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
1928 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
1929 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
1930 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
1931 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
1932 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1933 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
1934 enabled libx264 && require libx264 x264.h x264_encoder_open -lx264 -lm &&
1935 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
1936 die "ERROR: libx264 version must be >= 0.65."; }
1937 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
1938 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1941 if enabled libdc1394; then
1942 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1943 enable libdc1394_2; } ||
1944 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1945 enable libdc1394_1; } ||
1946 die "ERROR: No version of libdc1394 found "
1951 for restrict_keyword in restrict __restrict__ __restrict; do
1952 check_cc <<EOF && _restrict=$restrict_keyword && break
1953 void foo(char * $restrict_keyword p);
1957 test "$vhook" = "default" && vhook="$dlopen"
1959 if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
1962 echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1963 echo "Patches welcome."
1967 if enabled vhook; then
1968 check_ldflags -rdynamic
1969 check_ldflags -export-dynamic
1972 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1973 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1975 ##########################################
1980 SDL_CONFIG="${cross_prefix}sdl-config"
1981 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
1982 sdl_cflags=`"${SDL_CONFIG}" --cflags`
1983 temp_cflags $sdl_cflags
1984 temp_extralibs `"${SDL_CONFIG}" --libs`
1985 if check_lib2 SDL.h SDL_Init; then
1986 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1987 if test "$_sdlversion" -lt 121 ; then
1991 check_cc $sdl_cflags <<EOF && enable sdl_video_size
1993 int main(int argc, char **argv){
1994 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1995 int w = vi->current_w;
2004 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2006 ##########################################
2009 if enabled network; then
2010 check_type "sys/types.h sys/socket.h" socklen_t
2011 # Prefer arpa/inet.h over winsock2
2012 if check_header arpa/inet.h ; then
2013 check_func closesocket
2014 elif check_header winsock2.h ; then
2015 network_extralibs="-lws2_32"
2016 check_type ws2tcpip.h socklen_t
2017 check_func_headers winsock2.h closesocket
2021 ##########################################
2024 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
2025 #include <sys/types.h>
2026 #include <sys/socket.h>
2027 #include <netinet/in.h>
2030 struct sockaddr_storage saddr;
2031 struct ipv6_mreq mreq6;
2032 getaddrinfo(0,0,0,0);
2033 getnameinfo(0,0,0,0,0,0,0);
2034 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2038 check_header linux/videodev.h
2039 check_header linux/videodev2.h
2040 check_header sys/videoio.h
2042 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2044 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2045 { check_header dev/bktr/ioctl_meteor.h &&
2046 check_header dev/bktr/ioctl_bt848.h; } ||
2047 { check_header machine/ioctl_meteor.h &&
2048 check_header machine/ioctl_bt848.h; } ||
2049 { check_header dev/video/meteor/ioctl_meteor.h &&
2050 check_header dev/video/bktr/ioctl_bt848.h; } ||
2051 check_header dev/ic/bt8xx.h
2053 check_header sys/soundcard.h
2054 check_header soundcard.h
2056 check_header alsa/asoundlib.h &&
2057 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2059 # deal with the X11 frame grabber
2061 check_header X11/Xlib.h &&
2062 check_header X11/extensions/XShm.h &&
2063 check_func XOpenDisplay -lX11 &&
2064 check_func XShmCreateImage -lX11 -lXext
2066 enabled debug && add_cflags -g"$debuglevel"
2068 # add some useful compiler flags if supported
2069 check_cflags -Wdeclaration-after-statement
2071 check_cflags -Wno-switch
2072 check_cflags -Wdisabled-optimization
2073 check_cflags -Wpointer-arith
2074 check_cflags -Wredundant-decls
2075 check_cflags -Wno-pointer-sign
2076 check_cflags -Wcast-qual
2077 check_cflags -Wwrite-strings
2078 check_cflags -Wtype-limits
2079 check_cflags -Wundef
2080 enabled extra_warnings && check_cflags -Winline
2082 # add some linker flags
2083 check_ldflags -Wl,--warn-common
2084 check_ldflags -Wl,--as-needed
2085 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'
2086 check_ldflags -Wl,-Bsymbolic
2088 if enabled small; then
2089 check_cflags -Os # not all compilers support -Os
2090 optimizations="small"
2091 elif enabled optimizations; then
2092 if $cc -v 2>&1 | grep -q xlc; then
2099 check_cflags -fno-math-errno
2100 check_cflags -fno-signed-zeros
2102 # add some flags for Intel C Compiler
2103 if $cc --version 2> /dev/null | grep -q Intel; then
2104 # Just warnings, no remarks
2106 # -wd: Disable following warnings
2107 # 144, 167, 556: -Wno-pointer-sign
2108 # 10006: ignoring unknown option -fno-signed-zeros
2109 # 10156: ignoring option '-W'; no argument required
2110 check_cflags -wd144,167,556,10006,10156
2111 # 11030: Warning unknown option --as-needed
2112 # 10156: ignoring option '-export'; no argument required
2113 check_ldflags -wd10156,11030
2114 # Allow to compile with optimizations
2115 check_ldflags -march=$cpu
2118 # PIC flags for shared library objects where they are needed
2119 if enabled shared; then
2120 # LIBOBJFLAGS may have already been set in the OS configuration
2121 if test -z "$LIBOBJFLAGS" ; then
2122 case "${subarch-$arch}" in
2123 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2128 if enabled gprof; then
2135 # Find out if the .align argument is a power of two or not.
2136 check_asm asmalign_pot '".align 3"'
2138 enabled_any $DECODER_LIST && enable decoders
2139 enabled_any $ENCODER_LIST && enable encoders
2140 enabled_any $BSF_LIST && enable bsfs
2141 enabled_any $DEMUXER_LIST && enable demuxers
2142 enabled_any $MUXER_LIST && enable muxers
2143 enabled_any $FILTER_LIST && enable filters
2144 enabled_any $INDEV_LIST && enable demuxers
2145 enabled_any $OUTDEV_LIST && enable muxers
2146 enabled_any $PROTOCOL_LIST && enable protocols
2148 enabled_any $THREADS_LIST && enable threads
2150 check_deps $CONFIG_LIST \
2164 echo "install prefix $prefix"
2165 echo "source path $source_path"
2166 echo "C compiler $cc"
2167 echo ".align is power-of-two $asmalign_pot"
2168 echo "ARCH $arch ($cpu)"
2169 if test "$build_suffix" != ""; then
2170 echo "build suffix $build_suffix"
2172 if test "$extra_version" != ""; then
2173 echo "version string suffix $extra_version"
2175 echo "big-endian ${bigendian-no}"
2176 if enabled x86; then
2177 echo "yasm ${yasm-no}"
2178 echo "MMX enabled ${mmx-no}"
2179 echo "MMX2 enabled ${mmx2-no}"
2180 echo "3DNow! enabled ${amd3dnow-no}"
2181 echo "SSE enabled ${sse-no}"
2182 echo "SSSE3 enabled ${ssse3-no}"
2183 echo "CMOV enabled ${cmov-no}"
2184 echo "CMOV is fast ${fast_cmov-no}"
2185 echo "EBX available ${ebx_available-no}"
2186 echo "EBP available ${ebp_available-no}"
2188 if enabled arm; then
2189 echo "ARMv5TE enabled ${armv5te-no}"
2190 echo "ARMv6 enabled ${armv6-no}"
2191 echo "ARMv6T2 enabled ${armv6t2-no}"
2192 echo "ARM VFP enabled ${armvfp-no}"
2193 echo "IWMMXT enabled ${iwmmxt-no}"
2194 echo "NEON enabled ${neon-no}"
2196 if enabled mips; then
2197 echo "MMI enabled ${mmi-no}"
2199 if enabled ppc; then
2200 echo "AltiVec enabled ${altivec-no}"
2201 echo "PPC 4xx optimizations ${ppc4xx-no}"
2202 echo "dcbzl available ${dcbzl-no}"
2203 echo "performance report ${powerpc_perf-no}"
2205 if enabled sparc; then
2206 echo "VIS enabled ${vis-no}"
2208 echo "gprof enabled ${gprof-no}"
2209 echo "debug symbols ${debug-no}"
2210 echo "strip symbols ${stripping-no}"
2211 echo "optimizations ${optimizations-no}"
2212 echo "static ${static-no}"
2213 echo "shared ${shared-no}"
2214 echo "postprocessing support ${postproc-no}"
2215 echo "software scaler enabled ${swscale-no}"
2216 echo "new filter support ${avfilter-no}"
2217 echo "filters using lavformat ${avfilter_lavf-no}"
2218 echo "video hooking ${vhook-no}"
2219 if enabled vhook; then
2220 echo "Imlib2 support ${imlib2-no}"
2221 echo "FreeType support ${freetype2-no}"
2223 echo "network support ${network-no}"
2224 if enabled network; then
2225 echo "IPv6 support ${ipv6-no}"
2227 echo "threading support ${thread_type-no}"
2228 echo "SDL support ${sdl-no}"
2229 if enabled sdl_too_old; then
2230 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2232 echo "Sun medialib support ${mlib-no}"
2233 echo "AVISynth enabled ${avisynth-no}"
2234 echo "libamr-nb support ${libamr_nb-no}"
2235 echo "libamr-wb support ${libamr_wb-no}"
2236 echo "libdc1394 support ${libdc1394-no}"
2237 echo "libdirac enabled ${libdirac-no}"
2238 echo "libfaac enabled ${libfaac-no}"
2239 echo "libfaad enabled ${libfaad-no}"
2240 echo "libfaad dlopened ${libfaadbin-no}"
2241 echo "libgsm enabled ${libgsm-no}"
2242 echo "libmp3lame enabled ${libmp3lame-no}"
2243 echo "libnut enabled ${libnut-no}"
2244 echo "libschroedinger enabled ${libschroedinger-no}"
2245 echo "libspeex enabled ${libspeex-no}"
2246 echo "libtheora enabled ${libtheora-no}"
2247 echo "libvorbis enabled ${libvorbis-no}"
2248 echo "libx264 enabled ${libx264-no}"
2249 echo "libxvid enabled ${libxvid-no}"
2250 echo "vdpau enabled ${vdpau-no}"
2251 echo "zlib enabled ${zlib-no}"
2252 echo "bzlib enabled ${bzlib-no}"
2255 for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
2256 echo "Enabled ${type}s:"
2257 eval list=\$$(toupper $type)_LIST
2258 for part in $list; do
2259 enabled $part && echo ${part%_*}
2260 done | sort | pr -3 -t
2265 if enabled nonfree; then
2266 license="unredistributable"
2267 elif enabled gpl; then
2271 echo "License: $license"
2273 echo "Creating config.mak and config.h..."
2275 echo "# Automatically generated by configure - do not modify!" > config.mak
2276 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2277 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2278 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2279 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2280 echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2282 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2283 echo "prefix=$prefix" >> config.mak
2284 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2285 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2286 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2287 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2288 echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2289 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2290 echo "CC=$cc" >> config.mak
2291 echo "YASM=$yasmexe" >> config.mak
2292 echo "AR=$ar" >> config.mak
2293 echo "RANLIB=$ranlib" >> config.mak
2294 echo "LN_S=$ln_s" >> config.mak
2295 enabled stripping &&
2296 echo "STRIP=$strip" >> config.mak ||
2297 echo "STRIP=echo ignoring strip" >> config.mak
2299 echo "OPTFLAGS=$CFLAGS" >> config.mak
2300 echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
2301 echo "LDFLAGS=$LDFLAGS" >> config.mak
2302 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2303 echo "SHFLAGS=$SHFLAGS" >> config.mak
2304 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2305 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
2306 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
2307 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2308 echo "BUILD_STATIC=$static" >> config.mak
2309 echo "BUILDSUF=$build_suffix" >> config.mak
2310 echo "FULLNAME=$FULLNAME" >> config.mak
2311 echo "LIBPREF=$LIBPREF" >> config.mak
2312 echo "LIBSUF=$LIBSUF" >> config.mak
2313 echo "LIBNAME=$LIBNAME" >> config.mak
2314 echo "SLIBPREF=$SLIBPREF" >> config.mak
2315 echo "SLIBSUF=$SLIBSUF" >> config.mak
2316 echo "EXESUF=$EXESUF" >> config.mak
2317 echo "EXTRA_VERSION=$extra_version" >> config.mak
2318 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2319 echo "HOSTCC=$host_cc" >> config.mak
2320 echo "HOSTCFLAGS=$host_cflags" >> config.mak
2321 echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2322 echo "HOSTLIBS=$host_libs" >> config.mak
2323 echo "TARGET_EXEC=$target_exec" >> config.mak
2324 echo "TARGET_PATH=$target_path" >> config.mak
2326 if enabled bigendian; then
2327 echo "WORDS_BIGENDIAN=yes" >> config.mak
2328 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2331 if enabled sdl; then
2332 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2333 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2335 if enabled texi2html; then
2336 echo "BUILD_DOC=yes" >> config.mak
2341 file=$source_path/$2
2342 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2343 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2344 lcname=$(tolower $name)
2345 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2346 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2349 get_version LIBSWSCALE libswscale/swscale.h
2350 get_version LIBPOSTPROC libpostproc/postprocess.h
2351 get_version LIBAVCODEC libavcodec/avcodec.h
2352 get_version LIBAVDEVICE libavdevice/avdevice.h
2353 get_version LIBAVFORMAT libavformat/avformat.h
2354 get_version LIBAVUTIL libavutil/avutil.h
2355 get_version LIBAVFILTER libavfilter/avfilter.h
2357 if enabled shared; then
2358 echo "BUILD_SHARED=yes" >> config.mak
2359 echo "PIC=-fPIC -DPIC" >> config.mak
2360 echo "LIBTARGET=${LIBTARGET}" >> config.mak
2361 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2362 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2363 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2364 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2365 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2366 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2367 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2369 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2370 echo "EXTRALIBS=$extralibs" >> config.mak
2372 echo "ARCH=$arch" >> config.mak
2374 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2375 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2376 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2389 echo "#define restrict $_restrict" >> $TMPH
2391 if enabled small; then
2392 echo "#define av_always_inline" >> $TMPH
2395 echo "SRC_PATH=\"$source_path\"" >> config.mak
2396 echo "SRC_PATH_BARE=$source_path" >> config.mak
2397 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2399 # Apparently it's not possible to portably echo a backslash.
2400 enabled asmalign_pot &&
2401 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2402 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2404 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2406 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2408 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2409 cmp -s $TMPH config.h &&
2410 echo "config.h is unchanged" ||
2411 mv -f $TMPH config.h
2413 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
2415 # build tree in object directory if source path is different from current one
2416 if enabled source_path_used; then
2443 libavcodec/Makefile \
2444 libavdevice/Makefile \
2445 libavfilter/Makefile \
2446 libavformat/Makefile \
2447 libavutil/Makefile \
2448 libpostproc/Makefile \
2449 libswscale/Makefile \
2451 for dir in $DIRS ; do
2454 for f in $FILES ; do
2455 $ln_s "$source_path/$f" $f
2460 # build pkg-config files
2462 pkgconfig_generate(){
2464 shortname=${name#lib}${build_suffix}
2469 cat <<EOF > $name/$name.pc
2471 exec_prefix=\${prefix}
2476 Description: $comment
2478 Requires: $(disabled shared && echo $requires)
2479 Requires.private: $(enabled shared && echo $requires)
2481 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2482 Libs.private: $(enabled shared && echo $libs)
2483 Cflags: -I\${includedir}
2485 cat <<EOF > $name/$name-uninstalled.pc
2488 libdir=\${pcfiledir}
2489 includedir=${source_path}
2492 Description: $comment
2496 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2497 Cflags: -I\${includedir}
2501 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2502 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2503 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2504 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2506 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2508 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2509 if enabled swscale; then
2510 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
2512 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavcodec = $LIBAVCODEC_VERSION"
2513 apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/