3 # FFmpeg configure script
5 # Copyright (c) 2000, 2001, 2002 Fabrice Bellard
6 # Copyright (c) 2005-2006 Diego Biurrun
7 # Copyright (c) 2005-2006 Mans Rullgard
10 # make sure we are running under a compatible shell
11 # try to make this part work with most shells
14 echo "Trying shell $1"
15 type "$1" > /dev/null 2>&1 && exec "$@"
19 (: ${foo%%bar}) 2> /dev/null
22 (: ${foo?}) 2> /dev/null
25 if test "$E1" != 0 || test "$E2" = 0; then
26 echo "Broken shell detected. Trying alternatives."
28 if test "0$FF_CONF_EXEC" -lt 1; then
30 try_exec bash "$0" "$@"
32 if test "0$FF_CONF_EXEC" -lt 2; then
34 try_exec ksh "$0" "$@"
36 if test "0$FF_CONF_EXEC" -lt 3; then
38 try_exec /usr/xpg4/bin/sh "$0" "$@"
40 echo "No compatible shell script interpreter found."
41 echo "This configure script requires a POSIX-compatible shell"
42 echo "such as bash or ksh."
43 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
44 echo "Instead, install a working POSIX-compatible shell."
45 echo "Disabling this configure test will create a broken FFmpeg."
46 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
47 echo "This bash version ($BASH_VERSION) is broken on your platform."
48 echo "Upgrade to a later version if available."
54 echo "Usage: configure [options]"
55 echo "Options: [defaults in brackets after descriptions]"
57 echo "Standard options:"
58 echo " --help print this message"
59 echo " --logfile=FILE log tests and output to FILE [config.err]"
60 echo " --disable-logging do not log configure debug information"
61 echo " --prefix=PREFIX install in PREFIX [$prefix]"
62 echo " --bindir=DIR install binaries in DIR [PREFIX/bin]"
63 echo " --libdir=DIR install libs in DIR [PREFIX/lib]"
64 echo " --shlibdir=DIR install shared libs in DIR [PREFIX/lib]"
65 echo " --incdir=DIR install includes in DIR [PREFIX/include]"
66 echo " --mandir=DIR install man page in DIR [PREFIX/share/man]"
67 echo " --enable-static build static libraries [default=yes]"
68 echo " --disable-static do not build static libraries [default=no]"
69 echo " --enable-shared build shared libraries [default=no]"
70 echo " --disable-shared do not build shared libraries [default=yes]"
71 echo " --enable-gpl allow use of GPL code, the resulting libav*"
72 echo " and ffmpeg will be under GPL [default=no]"
73 echo " --enable-nonfree allow use of nonfree code, the resulting libav*"
74 echo " and ffmpeg will be unredistributable [default=no]"
75 echo " --enable-postproc enable GPLed postprocessing support [default=no]"
76 echo " --enable-swscale software scaler support [default=no]"
77 echo " --enable-avfilter video filter support (replaces vhook) [default=no]"
78 echo " --enable-avfilter-lavf video filters dependant on avformat [default=no]"
79 echo " --enable-beosthreads use BeOS threads [default=no]"
80 echo " --enable-os2threads use OS/2 threads [default=no]"
81 echo " --enable-pthreads use pthreads [default=no]"
82 echo " --enable-w32threads use Win32 threads [default=no]"
83 echo " --enable-x11grab enable X11 grabbing [default=no]"
85 echo "External library support:"
86 echo " --enable-mlib use Sun medialib [default=no]"
87 echo " --enable-liba52 enable GPLed liba52 support [default=no]"
88 echo " --enable-liba52bin open liba52.so.0 at runtime [default=no]"
89 echo " --enable-avisynth allow reading AVISynth script files [default=no]"
90 echo " --enable-libamr-nb enable libamr-nb floating point audio codec"
91 echo " --enable-libamr-wb enable libamr-wb floating point audio codec"
92 echo " --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394"
93 echo " and libraw1394 [default=no]"
94 echo " --enable-libdirac enable Dirac support via libdirac [default=no]"
95 echo " --enable-libfaac enable FAAC support via libfaac [default=no]"
96 echo " --enable-libfaad enable FAAD support via libfaad [default=no]"
97 echo " --enable-libfaadbin open libfaad.so.0 at runtime [default=no]"
98 echo " --enable-libgsm enable GSM support via libgsm [default=no]"
99 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [default=no]"
100 echo " --enable-libnut enable NUT (de)muxing via libnut,"
101 echo " native demuxer exists [default=no]"
102 echo " --enable-libschroedinger enable Dirac support via libschroedinger [default=no]"
103 echo " --enable-libtheora enable Theora encoding via libtheora [default=no]"
104 echo " --enable-libvorbis enable Vorbis encoding via libvorbis,"
105 echo " native implementation exists [default=no]"
106 echo " --enable-libx264 enable H.264 encoding via x264 [default=no]"
107 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
108 echo " native MPEG-4/Xvid encoder exists [default=no]"
110 echo "Advanced options (experts only):"
111 echo " --source-path=PATH path to source code [$source_path]"
112 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
113 echo " --enable-cross-compile assume a cross-compiler is used"
114 echo " --target-os=OS compiler targets OS [$target_os]"
115 echo " --cc=CC use C compiler CC [$cc]"
116 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
117 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
118 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
119 echo " --build-suffix=SUFFIX suffix for application specific build []"
120 echo " --arch=ARCH select architecture [$arch]"
121 echo " --cpu=CPU selects the minimum cpu required (affects"
122 echo " instruction selection, may crash on older CPUs)"
123 echo " --enable-powerpc-perf enable performance report on PPC"
124 echo " (requires enabling PMC)"
125 echo " --disable-mmx disable MMX usage"
126 echo " --disable-mmx2 disable MMX2 usage"
127 echo " --disable-ssse3 disable SSSE3 usage"
128 echo " --disable-armv5te disable armv5te usage"
129 echo " --disable-armv6 disable armv6 usage"
130 echo " --disable-armvfp disable ARM VFP usage"
131 echo " --disable-iwmmxt disable iwmmxt usage"
132 echo " --disable-altivec disable AltiVec usage"
133 echo " --disable-network disable network support [default=no]"
134 echo " --disable-ipv6 disable ipv6 support [default=no]"
135 echo " --disable-zlib disable zlib [default=no]"
136 echo " --disable-bzlib disable bzlib [default=no]"
137 echo " --disable-vhook disable video hooking support"
138 echo " --disable-debug disable debugging symbols"
139 echo " --disable-mpegaudio-hp faster (but less accurate)"
140 echo " MPEG audio decoding [default=no]"
141 echo " --enable-gray enable full grayscale support (slower color)"
142 echo " --disable-ffmpeg disable ffmpeg build"
143 echo " --disable-ffserver disable ffserver build"
144 echo " --disable-ffplay disable ffplay build"
145 echo " --enable-small optimize for size instead of speed"
146 echo " --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
147 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
148 echo " --disable-encoder=NAME disables encoder NAME"
149 echo " --enable-encoder=NAME enables encoder NAME"
150 echo " --disable-decoder=NAME disables decoder NAME"
151 echo " --enable-decoder=NAME enables decoder NAME"
152 echo " --disable-encoders disables all encoders"
153 echo " --disable-decoders disables all decoders"
154 echo " --disable-muxer=NAME disables muxer NAME"
155 echo " --enable-muxer=NAME enables muxer NAME"
156 echo " --disable-muxers disables all muxers"
157 echo " --disable-demuxer=NAME disables demuxer NAME"
158 echo " --enable-demuxer=NAME enables demuxer NAME"
159 echo " --disable-demuxers disables all demuxers"
160 echo " --enable-parser=NAME enables parser NAME"
161 echo " --disable-parser=NAME disables parser NAME"
162 echo " --disable-parsers disables all parsers"
163 echo " --enable-bsf=NAME enables bitstream filter NAME"
164 echo " --disable-bsf=NAME disables bitstream filter NAME"
165 echo " --disable-bsfs disables all bitstream filters"
166 echo " --enable-protocol=NAME enables protocol NAME"
167 echo " --disable-protocol=NAME disables protocol NAME"
168 echo " --disable-protocols disables all protocols"
169 echo " --disable-devices disables all devices"
170 echo " --list-decoders show all available decoders"
171 echo " --list-encoders show all available encoders"
172 echo " --list-muxers show all available muxers"
173 echo " --list-demuxers show all available demuxers"
174 echo " --list-parsers show all available parsers"
175 echo " --list-protocols show all available protocols"
176 echo " --list-bsfs show all available bitstream filters"
177 echo " --list-indevs show all available input devices"
178 echo " --list-outdevs show all available output devices"
180 echo "Developer options (useful when working on FFmpeg itself):"
181 echo " --enable-gprof enable profiling with gprof [$gprof]"
182 echo " --disable-optimizations disable compiler optimizations"
183 echo " --enable-extra-warnings enable more compiler warnings"
184 echo " --disable-stripping disable stripping of executables and shared libraries"
186 echo "NOTE: Object files are built at the place where configure is launched."
191 echo "$@" >> $logfile
196 pr -n -t $1 >> $logfile
208 If you think configure made a mistake, make sure you are using the latest
209 version from SVN. If the latest version fails, report the problem to the
210 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
212 if disabled logging; then
214 Rerun configure with logging enabled (do not use --disable-logging), and
215 include the log this produces with your report.
219 Include the log file "$logfile" produced by configure as this will help
223 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
227 # Avoid locale weirdness, besides we really just want to translate ASCII.
229 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
233 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
246 eval level=\${${var}_level:=0}
247 eval ${var}_${level}="\$$var"
248 eval ${var}_level=$(($level+1))
254 eval level=\${${var}_level:-0}
255 test $level = 0 && continue
256 eval level=$(($level-1))
257 eval $var="\${${var}_${level}}"
258 eval ${var}_level=$level
259 eval unset ${var}_${level}
272 eval test "x\$$1" = "xyes"
276 eval test "x\$$1" = "xno"
281 enabled $opt || return 1
287 disabled $opt || return 1
293 enabled $opt && return 0
299 disabled $opt && return 0
307 [ $var = $value ] && return 0
314 enabled ${cfg}_checking && die "Circular dependency for $cfg."
315 disabled ${cfg}_checking && continue
316 enable ${cfg}_checking
318 eval dep_all="\$${cfg}_deps"
319 eval dep_any="\$${cfg}_deps_any"
321 pushvar cfg dep_all dep_any
322 check_deps $dep_all $dep_any
323 popvar cfg dep_all dep_any
325 enabled_all $dep_all || disable $cfg
326 enabled_any $dep_any || disable $cfg
328 if enabled $cfg; then
329 eval dep_extralibs="\$${cfg}_extralibs"
330 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
333 disable ${cfg}_checking
343 ucname="`toupper $cfg`"
344 if enabled $cfg; then
345 echo "#define ${pfx}${ucname} 1" >> $header
346 echo "#define ENABLE_${ucname} 1" >> $header
347 echo "${pfx}${ucname}=yes" >> $makefile
349 echo "#define ENABLE_${ucname} 0" >> $header
355 (: ${SAVE_CFLAGS?}) 2> /dev/null
359 flags_saved && return
360 SAVE_CFLAGS="$CFLAGS"
361 SAVE_LDFLAGS="$LDFLAGS"
362 SAVE_extralibs="$extralibs"
366 flags_saved || return
367 CFLAGS="$SAVE_CFLAGS"
368 LDFLAGS="$SAVE_LDFLAGS"
369 extralibs="$SAVE_extralibs"
382 LDFLAGS="$LDFLAGS $*"
387 extralibs="$extralibs $*"
393 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
394 eval "$var=\"\$$var $*\""
406 append extralibs "$@"
411 "$@" >> $logfile 2>&1
418 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
425 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
433 check_cc "$@" <<EOF && enable $name || disable $name
434 int foo(void){ asm volatile($asm); }
444 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
446 check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
450 log check_cflags "$@"
451 check_cc "$@" <<EOF && add_cflags "$@"
457 log check_ldflags "$@"
458 check_ld "$@" <<EOF && add_ldflags "$@"
459 int main(void){ return 0; }
464 log check_header "$@"
467 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
469 check_cpp "$@" <<EOF && enable $var
480 check_ld "$@" <<EOF && enable $func
482 int main(void){ $func(); }
493 for hdr in $headers; do
497 check_ld "$@" <<EOF && enable $func
499 int main(int argc, char **argv){
512 check_header $header && check_func $func && add_extralibs "$@"
524 check_func2 "$headers" $func && add_extralibs "$@"
531 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
537 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
538 # are safe but may not be available everywhere. Thus we use
539 # raise(SIGTERM) instead. The check is run in a subshell so we
540 # can redirect the "Terminated" message from the shell. SIGBUS
541 # is not defined by standard C so it is used conditionally.
543 (check_exec "$@") >> $logfile 2>&1 <<EOF
545 static void sighandler(int sig){
549 signal(SIGILL, sighandler);
550 signal(SIGFPE, sighandler);
551 signal(SIGSEGV, sighandler);
553 signal(SIGBUS, sighandler);
567 for hdr in $headers; do
571 check_cc "$@" <<EOF && enable $type
582 check_lib $header $func "$@" || die "ERROR: $name not found"
590 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
600 check_cmd ${pkg}-config --version
602 if test "$err" = 0; then
603 temp_cflags `${pkg}-config --cflags`
604 temp_extralibs `${pkg}-config --libs`
605 check_lib "$@" $header $func && enable $cfg
613 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
717 altivec_vector_braces
725 dev_bktr_ioctl_bt848_h
726 dev_bktr_ioctl_meteor_h
728 dev_video_meteor_ioctl_meteor_h
729 dev_video_bktr_ioctl_bt848_h
750 machine_ioctl_bt848_h
751 machine_ioctl_meteor_h
803 # code dependency declarations
805 # architecture extensions
806 altivec_deps="powerpc"
807 armv5te_deps="armv4l"
817 # decoders / encoders
818 ac3_decoder_deps="gpl"
819 dxa_decoder_deps="zlib"
820 flashsv_decoder_deps="zlib"
821 flashsv_encoder_deps="zlib"
822 mpeg_xvmc_decoder_deps="xvmc"
823 png_decoder_deps="zlib"
824 png_encoder_deps="zlib"
825 zmbv_decoder_deps="zlib"
826 zmbv_encoder_deps="zlib"
829 liba52_decoder_deps="liba52"
830 liba52bin_decoder_extralibs='$ldl'
831 libamr_nb_decoder_deps="libamr_nb"
832 libamr_nb_encoder_deps="libamr_nb"
833 libamr_wb_decoder_deps="libamr_wb"
834 libamr_wb_encoder_deps="libamr_wb"
835 libdirac_decoder_deps="libdirac"
836 libdirac_encoder_deps="libdirac"
837 libfaac_encoder_deps="libfaac"
838 libfaad_decoder_deps="libfaad"
839 libfaadbin_decoder_extralibs='$ldl'
840 libgsm_decoder_deps="libgsm"
841 libgsm_encoder_deps="libgsm"
842 libgsm_ms_decoder_deps="libgsm"
843 libgsm_ms_encoder_deps="libgsm"
844 libmp3lame_encoder_deps="libmp3lame"
845 libschroedinger_decoder_deps="libschroedinger"
846 libschroedinger_encoder_deps="libschroedinger"
847 libtheora_encoder_deps="libtheora"
848 libvorbis_encoder_deps="libvorbis"
849 libx264_encoder_deps="libx264"
850 libxvid_encoder_deps="libxvid"
851 mpeg4aac_decoder_deps="libfaad"
854 ac3_demuxer_deps="ac3_parser"
855 audio_beos_demuxer_deps="audio_beos"
856 audio_beos_demuxer_extralibs="-lmedia -lbe"
857 audio_beos_muxer_deps="audio_beos"
858 audio_beos_muxer_extralibs="-lmedia -lbe"
859 avisynth_demuxer_deps="avisynth"
860 bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
861 dirac_demuxer_deps="dirac_parser"
862 dv1394_demuxer_deps="dv1394 dv_demuxer"
863 libdc1394_demuxer_deps="libdc1394"
864 libnut_demuxer_deps="libnut"
865 libnut_muxer_deps="libnut"
866 mp3_demuxer_deps="mpegaudio_parser"
867 oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
868 oss_muxer_deps_any="soundcard_h sys_soundcard_h"
869 redir_demuxer_deps="network"
870 rtp_muxer_deps="network rtp_protocol"
871 rtsp_demuxer_deps="sdp_demuxer"
872 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
873 v4l_demuxer_deps="linux_videodev_h"
874 v4l2_demuxer_deps="linux_videodev2_h"
875 vfwcap_demuxer_deps="capCreateCaptureWindow"
876 vfwcap_demuxer_extralibs="-lvfw32"
877 x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
878 x11_grab_device_demuxer_extralibs="-lX11 -lXext"
881 http_protocol_deps="network"
882 rtp_protocol_deps="udp_protocol"
883 tcp_protocol_deps="network"
884 udp_protocol_deps="network"
887 movie_filter_deps="avfilter_lavf"
891 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
892 ffserver_extralibs='$ldl'
893 vhook_extralibs='$ldl'
902 libdir='$(PREFIX)/lib'
904 incdir='$(PREFIX)/include'
905 mandir='$(PREFIX)/share/man'
906 bindir='$(PREFIX)/bin'
914 asmalign_pot="unknown"
922 target_os=$(tolower $(uname -s))
928 # configurable options
943 SHFLAGS='-shared -Wl,-soname,$$(@F)'
944 VHOOKSHFLAGS='$(SHFLAGS)'
945 LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
946 FFSERVERLDFLAGS=-Wl,-E
949 FULLNAME='$(NAME)$(BUILDSUF)'
950 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
953 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
954 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
955 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
956 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
958 # gcc stupidly only outputs the basename of targets with -MM
959 DEPEND_CMD='$(CC) $(CFLAGS) -MM -MG $< | sed -e "/^\#.*/d" -e "1s,^,$(@D)/,"'
962 source_path="`dirname \"$0\"`"
963 enable source_path_used
964 if test -z "$source_path" -o "$source_path" = "." ; then
966 disable source_path_used
968 source_path="`cd \"$source_path\"; pwd`"
969 echo "$source_path" | grep -q '[[:blank:]]' &&
970 die "Out of tree builds are impossible with whitespace in source path."
973 FFMPEG_CONFIGURATION="$@"
979 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
982 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
983 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
984 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
985 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
986 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
987 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
988 OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
989 INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
990 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
991 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
993 enable $ARCH_EXT_LIST \
1006 echo "Unknown option \"$1\"."
1007 echo "See $0 --help for available options."
1014 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1021 --extra-cflags=*) add_cflags "$optval"
1023 --extra-ldflags=*) add_ldflags "$optval"
1025 --extra-libs=*) add_extralibs "$optval"
1027 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1029 --enable-debug=*) debuglevel="$optval"
1031 --enable-*=*|--disable-*=*)
1032 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1034 encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1035 *) die_unknown "$opt" ;;
1038 --enable-?*|--disable-?*)
1039 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1040 if is_in $option $COMPONENT_LIST; then
1041 eval $action \$$(toupper ${option%s})_LIST
1042 elif is_in $option $CMDLINE_SELECT; then
1049 NAME="${opt#--list-}"
1050 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1052 eval show_list $NAME \$$(toupper $NAME)_LIST
1054 --help|-h) show_help
1058 optname="${optname#--}"
1059 optname=$(echo "$optname" | sed 's/-/_/g')
1060 is_in $optname $CMDLINE_SET || die_unknown $opt
1061 eval $optname='$optval'
1066 disabled logging && logfile=/dev/null
1068 echo "# $0 $@" > $logfile
1071 cc="${cross_prefix}${cc}"
1072 ar="${cross_prefix}${ar}"
1073 nm="${cross_prefix}${nm}"
1074 ranlib="${cross_prefix}${ranlib}"
1075 strip="${cross_prefix}${strip}"
1077 # set temporary file name
1078 if test ! -z "$TMPDIR" ; then
1080 elif test ! -z "$TEMPDIR" ; then
1081 TMPDIR1="${TEMPDIR}"
1086 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1087 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1088 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1089 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1090 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1091 TMPSH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
1094 i386|i486|i586|i686|i86pc|BePC)
1096 enable fast_unaligned
1100 enable fast_unaligned
1101 check_cc <<EOF && enable fast_64bit && arch="x86_64"
1102 int test[sizeof(char*) - 7];
1105 # armv4l is a subset of armv[567]*l
1113 "Power Macintosh"|ppc|powerpc)
1159 enabled_any x86_32 x86_64 && enable x86
1160 enabled sparc64 && enable sparc
1165 prefix="$HOME/config"
1166 # helps building libavcodec
1167 add_cflags "-DPIC -fomit-frame-pointer"
1168 # 3 gcc releases known for BeOS, each with ugly bugs
1169 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1170 case "$gcc_version" in
1171 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1174 *20010315*) echo "BeBits gcc"
1175 add_cflags "-fno-expensive-optimizations"
1179 # enable BeOS things
1181 # no need for libm, but the inet stuff
1183 # XXX: actually should check for NOT net_server
1184 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1185 network_extralibs="-lbind -lsocket"
1187 enable beos_netserver
1188 network_extralibs="-lnet"
1192 SHFLAGS='-shared -Wl,-h,$$(@F)'
1193 network_extralibs="-lsocket -lnsl"
1196 oss_demuxer_extralibs="-lossaudio"
1197 oss_muxer_extralibs="-lossaudio"
1200 disable need_memalign
1201 LIBOBJFLAGS='$(PIC)'
1203 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF).$(LIBVERSION)'
1204 SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1205 SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1206 oss_demuxer_extralibs="-lossaudio"
1207 oss_muxer_extralibs="-lossaudio"
1210 disable need_memalign
1213 osextralibs="-lpoll -lgnugetopt"
1217 disable need_memalign
1218 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1219 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
1221 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1223 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1224 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1225 FFSERVERLDFLAGS=-Wl,-bind_at_load
1230 if test $arch = x86_64; then
1231 disable need_memalign
1235 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1236 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1237 if enabled swscale; then
1238 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1239 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1245 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1246 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1247 SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1248 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1249 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1250 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1251 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1256 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1257 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1258 if enabled swscale; then
1259 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1260 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1265 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1266 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1267 SHFLAGS='-shared -Wl,--enable-auto-image-base'
1269 *-dos|freedos|opendos)
1270 disable ffplay ffserver vhook
1271 disable $INDEV_LIST $OUTDEV_LIST
1272 network_extralibs="-lsocket"
1276 LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
1281 ranlib="echo ignoring ranlib"
1287 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1288 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1293 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1294 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1295 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1296 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1297 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1298 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1299 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1300 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1301 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1302 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1303 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1304 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1312 target_os="${target_os}-UNKNOWN"
1316 add_extralibs $osextralibs
1318 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1319 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1321 test -n "$cross_prefix" && enable cross_compile
1323 # we need to build at least one lib type
1324 if ! enabled_any static shared; then
1326 At least one library type must be built.
1327 Specify --enable-static to build the static libraries or --enable-shared to
1328 build the shared libraries as well. To only build the shared libraries specify
1329 --disable-static in addition to --enable-shared.
1334 disabled static && LIBNAME=""
1336 if enabled_any libfaad libfaadbin ; then
1337 if check_header faad.h; then
1340 #ifndef FAAD2_VERSION
1343 int main(void) { return 0; }
1345 test $? = 0 && enable libfaad2
1347 die "FAAD test failed."
1352 if ! enabled gpl; then
1356 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1358 die_gpl_disabled "The Postprocessing code" postproc
1359 die_gpl_disabled "liba52" liba52
1360 die_gpl_disabled "libx264" libx264
1361 die_gpl_disabled "libxvidcore" libxvid
1362 die_gpl_disabled "FAAD2" libfaad2
1363 die_gpl_disabled "The X11 grabber" x11grab
1364 die_gpl_disabled "The software scaler" swscale
1367 if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1368 die "libamr is nonfree and --enable-nonfree is not specified."
1371 check_deps $ARCH_EXT_LIST
1373 test -z "$need_memalign" && need_memalign="$mmx"
1376 if test $target_os = darwin; then
1377 if $cc -v 2>&1 | grep -q xlc; then
1378 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1381 check_cflags "-force_cpusubtype_ALL"
1382 check_cflags "-Wno-sign-compare"
1383 enabled shared || check_cflags -mdynamic-no-pic
1387 disabled optimizations || add_cflags -fomit-frame-pointer
1389 # Add processor-specific flags
1390 if test $cpu != "generic"; then
1392 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1395 601|ppc601|PowerPC601)
1396 add_cflags "-mcpu=601"
1397 warn_altivec enabled PPC601
1399 603*|ppc603*|PowerPC603*)
1400 add_cflags "-mcpu=603"
1401 warn_altivec enabled PPC603
1403 604*|ppc604*|PowerPC604*)
1404 add_cflags "-mcpu=604"
1405 warn_altivec enabled PPC604
1407 G3|g3|75*|ppc75*|PowerPC75*)
1408 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1409 warn_altivec enabled PPC75x
1411 G4|g4|745*|ppc745*|PowerPC745*)
1412 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1413 warn_altivec disabled PPC745x
1415 74*|ppc74*|PowerPC74*)
1416 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1417 warn_altivec disabled PPC74xx
1419 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1420 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1421 warn_altivec disabled PPC970
1425 add_cflags "-mcpu=cell"
1426 warn_altivec disabled Cell
1429 # targets that do NOT support conditional mov (cmov)
1430 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1431 add_cflags "-march=$cpu"
1434 # targets that do support conditional mov (cmov)
1435 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1436 add_cflags "-march=$cpu"
1440 # targets that do support conditional mov but on which it's slow
1441 pentium4|pentium4m|prescott|nocona)
1442 add_cflags "-march=$cpu"
1447 add_cflags "-mcpu=v9"
1450 add_cflags "-mcpu=$cpu"
1453 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1458 # make sure we can execute files in $TMPDIR
1459 cat > $TMPSH 2>> $logfile <<EOF
1462 chmod +x $TMPSH >> $logfile 2>&1
1463 if ! $TMPSH >> $logfile 2>&1; then
1465 Unable to create and execute files in $TMPDIR1. Set the TMPDIR environment
1466 variable to another directory and make sure that $TMPDIR1 is not mounted
1469 die "Sanity test failed."
1473 # compiler sanity check
1475 int main(void){ return 0; }
1477 if test "$?" != 0; then
1478 echo "$cc is unable to create an executable file."
1479 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1480 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1481 echo "Only do this if you know what cross compiling means."
1483 die "C compiler test failed."
1486 check_cc <<EOF || die "Symbol mangling check failed."
1489 sym=$($nm -P -g $TMPO | grep ff_extern)
1490 extern_prefix=${sym%%ff_extern*}
1492 check_asm inline_asm '""'
1494 if enabled x86; then
1495 # check whether EBP is available on x86
1496 # As 'i' is stored on the stack, this program will crash
1497 # if the base pointer is used to access it because the
1498 # base pointer is cleared in the inline assembly code.
1499 check_exec_crash <<EOF && enable ebp_available
1507 # check wether EBX is available on x86
1508 check_asm ebx_available '"":::"%ebx"'
1510 # check whether binutils is new enough to compile SSSE3/MMX2
1511 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1512 enabled mmx2 && check_asm mmx2 '"movss %xmm0, %xmm0"'
1514 check_asm bswap '"bswap %%eax" ::: "%eax"'
1517 # check for assembler specific support
1519 if test $arch = "powerpc"; then
1520 check_cc <<EOF && enable dcbzl
1522 register long zero = 0;
1524 asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1530 # check for SIMD availability
1532 # AltiVec flags: The FSF version of GCC differs from the Apple version
1533 if enabled altivec; then
1534 check_cflags -maltivec -mabi=altivec &&
1535 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1536 check_cflags -faltivec
1538 # check if our compiler supports Motorola AltiVec C API
1539 check_cc <<EOF || disable altivec
1542 vector signed int v1, v2, v3;
1543 v1 = vec_add(v2,v3);
1548 # check if our compiler supports braces for vector declarations
1549 check_cc <<EOF && enable altivec_vector_braces
1551 #define AVV(x...) {x}
1552 int main (void) { (vector int) AVV(1); return 0; }
1556 # We have to check if pld is a nop and disable it.
1557 enabled armv4l && check_asm pld '"pld [r0]"'
1558 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1559 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
1560 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
1561 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1562 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
1563 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1565 enabled vis && add_cflags "-mcpu=ultrasparc -mtune=ultrasparc"
1568 # big/little-endian test
1569 check_cc <<EOF || die "endian test failed"
1570 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1572 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1575 # check availability of some header files
1577 if check_func dlopen; then
1579 elif check_func dlopen -ldl; then
1584 check_func gethrtime
1585 check_func getrusage
1586 check_func inet_aton $network_extralibs
1589 check_func2 windows.h GetProcessTimes
1591 check_header byteswap.h
1592 check_header conio.h
1593 check_header dlfcn.h
1594 check_header malloc.h
1595 check_header sys/mman.h
1596 check_header sys/resource.h
1597 check_header termios.h
1599 if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1600 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1603 enabled zlib && check_lib zlib.h zlibVersion -lz || disable zlib
1604 enabled bzlib && check_lib bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1606 # ffserver uses poll(),
1607 # if it's not found we can emulate it using select().
1608 if enabled ffserver; then
1610 check_header sys/select.h
1613 # check for some common methods of building with pthread support
1614 # do this before the optional library checks as some of them require pthreads
1615 if enabled pthreads; then
1616 if check_func pthread_create; then
1618 elif check_func pthread_create -pthread; then
1620 add_extralibs -pthread
1621 elif check_func pthread_create -pthreads; then
1622 add_cflags -pthreads
1623 add_extralibs -pthreads
1624 elif check_func pthread_create -lpthreadGC2; then
1625 add_extralibs -lpthreadGC2
1626 elif ! check_lib pthread.h pthread_create -lpthread; then
1627 die "ERROR: can't find pthreads library"
1631 for thread in $THREADS_LIST; do
1632 if enabled $thread; then
1633 test -n "$thread_type" &&
1634 die "ERROR: Only one thread type must be selected." ||
1635 thread_type="$thread"
1639 check_lib math.h sin -lm
1641 # test for C99 functions in math.h
1642 for func in llrint lrint lrintf round roundf; do
1643 check_exec <<EOF && enable $func || disable $func
1644 #define _ISOC9X_SOURCE 1
1646 int main(void) { return ($func(3.999f) > 0)?0:1; }
1650 # these are off by default, so fail if requested and not available
1651 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1652 enabled liba52 && require liba52 a52dec/a52.h a52_init -la52
1653 enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1654 enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1655 enabled libdirac && add_cflags "$(pkg-config --cflags dirac)" \
1656 && require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder \
1657 && require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
1658 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1659 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
1660 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1661 enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1662 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
1663 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) \
1664 && require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
1665 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1666 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
1667 enabled libx264 && require x264 x264.h x264_encoder_open -lx264 -lm
1668 enabled libxvid && require Xvid xvid.h xvid_global -lxvidcore
1669 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1671 # disable the native AC-3 decoder if liba52 is enabled
1672 enabled liba52 && disable ac3_decoder
1674 # disable the slower libdirac decoder if libschroedinger is enabled
1675 enabled libschroedinger && enabled libdirac && disable libdirac_decoder
1678 if enabled libdc1394; then
1679 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1680 enable libdc1394_2; } ||
1681 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1682 enable libdc1394_1; } ||
1683 die "ERROR: No version of libdc1394 found "
1688 for restrict_keyword in restrict __restrict__ __restrict; do
1689 check_cc <<EOF && _restrict=$restrict_keyword && break
1690 void foo(char * $restrict_keyword p);
1694 test "$vhook" = "default" && vhook="$dlopen"
1696 if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
1699 echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1700 echo "Patches welcome."
1704 if enabled vhook; then
1705 check_ldflags -rdynamic
1706 check_ldflags -export-dynamic
1709 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1710 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1712 ##########################################
1717 SDL_CONFIG="${cross_prefix}sdl-config"
1718 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
1719 sdl_cflags=`"${SDL_CONFIG}" --cflags`
1720 temp_cflags $sdl_cflags
1721 temp_extralibs `"${SDL_CONFIG}" --libs`
1722 if check_lib2 SDL.h SDL_Init; then
1723 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1724 if test "$_sdlversion" -lt 121 ; then
1728 check_cc $sdl_cflags <<EOF && enable sdl_video_size
1730 int main(int argc, char **argv){
1731 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1732 int w = vi->current_w;
1741 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
1743 check_type sys/socket.h socklen_t
1745 ##########################################
1748 if enabled network; then
1749 # Prefer arpa/inet.h over winsock2
1750 if check_header arpa/inet.h ; then
1751 check_func closesocket
1752 elif check_header winsock2.h ; then
1753 network_extralibs="-lws2_32"
1754 check_type ws2tcpip.h socklen_t
1755 check_func2 winsock2.h closesocket
1759 ##########################################
1762 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
1763 #include <sys/types.h>
1764 #include <sys/socket.h>
1765 #include <netinet/in.h>
1768 struct sockaddr_storage saddr;
1769 struct ipv6_mreq mreq6;
1770 getaddrinfo(0,0,0,0);
1771 getnameinfo(0,0,0,0,0,0,0);
1772 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1776 check_header linux/videodev.h
1777 check_header linux/videodev2.h
1779 check_func2 "windows.h vfw.h" capCreateCaptureWindow -lvfw32
1781 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1782 { check_header dev/bktr/ioctl_meteor.h &&
1783 check_header dev/bktr/ioctl_bt848.h; } ||
1784 { check_header machine/ioctl_meteor.h &&
1785 check_header machine/ioctl_bt848.h; } ||
1786 { check_header dev/video/meteor/ioctl_meteor.h &&
1787 check_header dev/video/bktr/ioctl_bt848.h; } ||
1788 check_header dev/ic/bt8xx.h
1790 check_header sys/soundcard.h
1791 check_header soundcard.h
1793 # deal with the X11 frame grabber
1795 check_header X11/Xlib.h &&
1796 check_header X11/extensions/XShm.h &&
1797 check_func XOpenDisplay -lX11 &&
1798 check_func XShmCreateImage -lX11 -lXext
1800 enabled debug && add_cflags -g"$debuglevel"
1802 # add some useful compiler flags if supported
1803 check_cflags -Wdeclaration-after-statement
1805 check_cflags -Wno-switch
1806 check_cflags -Wdisabled-optimization
1807 check_cflags -Wpointer-arith
1808 check_cflags -Wredundant-decls
1809 check_cflags -Wno-pointer-sign
1810 check_cflags -Wcast-qual
1811 check_cflags -Wwrite-strings
1812 check_cflags -Wtype-limits
1813 enabled extra_warnings && check_cflags -Winline
1815 # add some linker flags
1816 check_ldflags -Wl,--warn-common
1817 check_ldflags $LDLATEFLAGS
1818 check_ldflags -Wl,-Bsymbolic
1820 if enabled small; then
1821 check_cflags -Os # not all compilers support -Os
1822 optimizations="small"
1823 elif enabled optimizations; then
1824 if $cc -v 2>&1 | grep -q xlc; then
1831 check_cflags -fno-math-errno
1832 check_cflags -fno-signed-zeros
1834 # add some flags for Intel C Compiler
1835 if $cc --version | grep -q Intel; then
1836 # Just warnings, no remarks
1838 # -wd: Disable following warnings
1839 # 144, 167, 556: -Wno-pointer-sign
1840 # 10006: ignoring unknown option -fno-signed-zeros
1841 # 10156: ignoring option '-W'; no argument required
1842 check_cflags -wd144,167,556,10006,10156
1843 # 11030: Warning unknown option --as-needed
1844 # 10156: ignoring option '-export'; no argument required
1845 check_ldflags -wd10156,11030
1846 # Allow to compile with optimizations
1847 check_ldflags -march=$cpu
1850 # PIC flags for shared library objects where they are needed
1851 if enabled shared; then
1852 # LIBOBJFLAGS may have already been set in the OS configuration
1853 if test -z "$LIBOBJFLAGS" ; then
1855 x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS='$(PIC)' ;;
1860 if enabled gprof; then
1867 # Find out if the .align argument is a power of two or not.
1868 if test $asmalign_pot = "unknown"; then
1869 disable asmalign_pot
1870 echo 'asm (".align 3");' | check_cc && enable asmalign_pot
1873 enabled_any $DECODER_LIST && enable decoders
1874 enabled_any $ENCODER_LIST && enable encoders
1875 enabled_any $BSF_LIST && enable bsfs
1876 enabled_any $DEMUXER_LIST && enable demuxers
1877 enabled_any $MUXER_LIST && enable muxers
1878 enabled_any $FILTER_LIST && enable filters
1879 enabled_any $INDEV_LIST && enable demuxers
1880 enabled_any $OUTDEV_LIST && enable muxers
1881 enabled_any $PROTOCOL_LIST && enable protocols
1883 enabled_any $THREADS_LIST && enable threads
1885 check_deps $CONFIG_LIST \
1898 enabled libdc1394 && append pkg_requires "libraw1394"
1899 enabled libdirac && append pkg_requires "dirac"
1900 enabled libtheora && append pkg_requires "theora"
1901 enabled libvorbis && append pkg_requires "vorbisenc"
1903 echo "install prefix $prefix"
1904 echo "source path $source_path"
1905 echo "C compiler $cc"
1906 echo ".align is power-of-two $asmalign_pot"
1907 echo "ARCH $arch ($cpu)"
1908 if test "$build_suffix" != ""; then
1909 echo "build suffix $build_suffix"
1911 echo "big-endian ${bigendian-no}"
1912 if test $arch = "x86_32" -o $arch = "x86_64"; then
1913 echo "MMX enabled ${mmx-no}"
1914 echo "CMOV enabled ${cmov-no}"
1915 echo "CMOV is fast ${fast_cmov-no}"
1916 echo "EBX available ${ebx_available-no}"
1917 echo "EBP available ${ebp_available-no}"
1919 if test $arch = "armv4l"; then
1920 echo "ARMv5TE enabled ${armv5te-no}"
1921 echo "ARMv6 enabled ${armv6-no}"
1922 echo "ARM VFP enabled ${armvfp-no}"
1923 echo "IWMMXT enabled ${iwmmxt-no}"
1925 if test $arch = "mips"; then
1926 echo "MMI enabled ${mmi-no}"
1928 if test $arch = "powerpc"; then
1929 echo "AltiVec enabled ${altivec-no}"
1930 echo "dcbzl available ${dcbzl-no}"
1932 echo "gprof enabled ${gprof-no}"
1933 echo "debug symbols ${debug-no}"
1934 echo "strip symbols ${stripping-no}"
1935 echo "optimizations ${optimizations-no}"
1936 echo "static ${static-no}"
1937 echo "shared ${shared-no}"
1938 echo "postprocessing support ${postproc-no}"
1939 echo "software scaler enabled ${swscale-no}"
1940 echo "new filter support ${avfilter-no}"
1941 echo "filters using lavformat ${avfilter_lavf-no}"
1942 echo "video hooking ${vhook-no}"
1943 if enabled vhook; then
1944 echo "Imlib2 support ${imlib2-no}"
1945 echo "FreeType support ${freetype2-no}"
1947 echo "network support ${network-no}"
1948 if enabled network; then
1949 echo "IPv6 support ${ipv6-no}"
1951 echo "threading support ${thread_type-no}"
1952 echo "SDL support ${sdl-no}"
1953 if enabled sdl_too_old; then
1954 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1956 echo "Sun medialib support ${mlib-no}"
1957 echo "AVISynth enabled ${avisynth-no}"
1958 echo "liba52 support ${liba52-no}"
1959 echo "liba52 dlopened ${liba52bin-no}"
1960 echo "libamr-nb support ${libamr_nb-no}"
1961 echo "libamr-wb support ${libamr_wb-no}"
1962 echo "libdc1394 support ${libdc1394-no}"
1963 echo "libdirac enabled ${libdirac-no}"
1964 echo "libfaac enabled ${libfaac-no}"
1965 echo "libfaad enabled ${libfaad-no}"
1966 echo "libfaad dlopened ${libfaadbin-no}"
1967 echo "libgsm enabled ${libgsm-no}"
1968 echo "libmp3lame enabled ${libmp3lame-no}"
1969 echo "libnut enabled ${libnut-no}"
1970 echo "libschroedinger enabled ${libschroedinger-no}"
1971 echo "libtheora enabled ${libtheora-no}"
1972 echo "libvorbis enabled ${libvorbis-no}"
1973 echo "libx264 enabled ${libx264-no}"
1974 echo "libxvid enabled ${libxvid-no}"
1975 echo "zlib enabled ${zlib-no}"
1976 echo "bzlib enabled ${bzlib-no}"
1979 for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
1980 echo "Enabled ${type}s:"
1981 eval list=\$$(toupper $type)_LIST
1982 for part in $list; do
1983 enabled $part && echo ${part%_*}
1984 done | sort | pr -3 -t
1989 if enabled nonfree; then
1990 license="unredistributable"
1991 elif enabled gpl; then
1995 echo "License: $license"
1997 echo "Creating config.mak and config.h..."
1999 echo "# Automatically generated by configure - do not modify!" > config.mak
2000 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2001 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2002 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2003 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2005 echo "PREFIX=$prefix" >> config.mak
2006 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2007 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2008 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2009 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2010 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2011 echo "CC=$cc" >> config.mak
2012 echo "AR=$ar" >> config.mak
2013 echo "RANLIB=$ranlib" >> config.mak
2014 echo "LN_S=$ln_s" >> config.mak
2015 enabled stripping &&
2016 echo "STRIP=$strip" >> config.mak ||
2017 echo "STRIP=echo ignoring strip" >> config.mak
2019 echo "OPTFLAGS=$CFLAGS" >> config.mak
2020 echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
2021 echo "LDFLAGS=$LDFLAGS" >> config.mak
2022 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2023 echo "SHFLAGS=$SHFLAGS" >> config.mak
2024 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
2025 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
2026 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2027 echo "BUILD_STATIC=$static" >> config.mak
2028 echo "BUILDSUF=$build_suffix" >> config.mak
2029 echo "FULLNAME=$FULLNAME" >> config.mak
2030 echo "LIBPREF=$LIBPREF" >> config.mak
2031 echo "LIBSUF=$LIBSUF" >> config.mak
2032 echo "LIBNAME=$LIBNAME" >> config.mak
2033 echo "SLIBPREF=$SLIBPREF" >> config.mak
2034 echo "SLIBSUF=$SLIBSUF" >> config.mak
2035 echo "EXESUF=$EXESUF" >> config.mak
2036 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2038 if enabled bigendian; then
2039 echo "WORDS_BIGENDIAN=yes" >> config.mak
2040 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2043 if enabled sdl; then
2044 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2045 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2047 if enabled texi2html; then
2048 echo "BUILD_DOC=yes" >> config.mak
2053 file=$source_path/$2
2054 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2055 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2056 lcname=$(tolower $name)
2057 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2058 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2061 get_version LIBSWSCALE libswscale/swscale.h
2062 get_version LIBPOSTPROC libpostproc/postprocess.h
2063 get_version LIBAVCODEC libavcodec/avcodec.h
2064 get_version LIBAVDEVICE libavdevice/avdevice.h
2065 get_version LIBAVFORMAT libavformat/avformat.h
2066 get_version LIBAVUTIL libavutil/avutil.h
2067 get_version LIBAVFILTER libavfilter/avfilter.h
2069 if enabled shared; then
2070 echo "BUILD_SHARED=yes" >> config.mak
2071 echo "PIC=-fPIC -DPIC" >> config.mak
2072 echo "LIBTARGET=${LIBTARGET}" >> config.mak
2073 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2074 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2075 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2076 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2077 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2078 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2079 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2081 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2082 echo "EXTRALIBS=$extralibs" >> config.mak
2084 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2085 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2086 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2098 echo "#define restrict $_restrict" >> $TMPH
2100 if enabled small; then
2101 echo "#define av_always_inline" >> $TMPH
2104 echo "SRC_PATH=\"$source_path\"" >> config.mak
2105 echo "SRC_PATH_BARE=$source_path" >> config.mak
2106 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2108 # Apparently it's not possible to portably echo a backslash.
2109 enabled asmalign_pot &&
2110 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2111 printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
2113 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2115 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2117 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2118 cmp -s $TMPH config.h &&
2119 echo "config.h is unchanged" ||
2120 mv -f $TMPH config.h
2122 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
2124 # build tree in object directory if source path is different from current one
2125 if enabled source_path_used; then
2152 libavcodec/Makefile \
2153 libavdevice/Makefile \
2154 libavfilter/Makefile \
2155 libavformat/Makefile \
2156 libavutil/Makefile \
2157 libpostproc/Makefile \
2158 libswscale/Makefile \
2160 for dir in $DIRS ; do
2163 for f in $FILES ; do
2164 $ln_s "$source_path/$f" $f
2169 # build pkg-config files
2171 pkgconfig_generate(){
2173 shortname=${name#lib}
2178 cat <<EOF > $name.pc
2180 exec_prefix=\${prefix}
2185 Description: $comment
2187 Requires: $(disabled shared && echo $requires)
2188 Requires.private: $(enabled shared && echo $requires)
2190 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2191 Libs.private: $(enabled shared && echo $libs)
2192 Cflags: -I\${includedir}
2194 cat <<EOF > $name-uninstalled.pc
2197 libdir=\${pcfiledir}/$name
2198 includedir=\${pcfiledir}
2201 Description: $comment
2205 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2206 Cflags: -I\${includedir}
2210 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2211 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2212 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2213 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$pkg_requires libavformat = $LIBAVFORMAT_VERSION"
2215 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2217 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2218 if enabled swscale; then
2219 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
2221 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2222 apply libswscale.pc sed s/^Libs:.*$/Libs:/