Fix double free which happens for playback of .rm files after r16365. See
[ffmpeg-lucabe.git] / configure
blob9a120bc300fccbcd5c6ef25c8da7658aa1d34b65
1 #!/bin/sh
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.
11 LC_ALL=C
12 export LC_ALL
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
17 try_exec(){
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
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."
54 exit 1
57 show_help(){
58 echo "Usage: configure [options]"
59 echo "Options: [defaults in brackets after descriptions]"
60 echo
61 echo "Standard options:"
62 echo " --help print this message"
63 echo " --logfile=FILE log tests and output to FILE [config.err]"
64 echo " --disable-logging do not log configure debug information"
65 echo " --prefix=PREFIX install in PREFIX [$prefix]"
66 echo " --bindir=DIR install binaries in DIR [PREFIX/bin]"
67 echo " --libdir=DIR install libs in DIR [PREFIX/lib]"
68 echo " --shlibdir=DIR install shared libs in DIR [PREFIX/lib]"
69 echo " --incdir=DIR install includes in DIR [PREFIX/include]"
70 echo " --mandir=DIR install man page in DIR [PREFIX/share/man]"
71 echo " --enable-static build static libraries [yes]"
72 echo " --disable-static do not build static libraries [no]"
73 echo " --enable-shared build shared libraries [no]"
74 echo " --disable-shared do not build shared libraries [yes]"
75 echo " --enable-gpl allow use of GPL code, the resulting libs"
76 echo " and binaries will be under GPL [no]"
77 echo " --enable-nonfree allow use of nonfree code, the resulting libs"
78 echo " and binaries will be unredistributable [no]"
79 echo " --enable-postproc enable GPLed postprocessing support [no]"
80 echo " --enable-swscale enable GPLed software scaler support [no]"
81 echo " --enable-avfilter video filter support (replaces vhook) [no]"
82 echo " --enable-avfilter-lavf video filters dependent on avformat [no]"
83 echo " --disable-vhook disable video hooking support"
84 echo " --enable-beosthreads use BeOS threads [no]"
85 echo " --enable-os2threads use OS/2 threads [no]"
86 echo " --enable-pthreads use pthreads [no]"
87 echo " --enable-w32threads use Win32 threads [no]"
88 echo " --enable-x11grab enable X11 grabbing [no]"
89 echo " --enable-xvmc enable XvMC support [no]"
90 echo
91 echo "External library support:"
92 echo " --enable-mlib enable Sun medialib [no]"
93 echo " --enable-avisynth enable reading of AVISynth script files [no]"
94 echo " --enable-bzlib enable bzlib [no]"
95 echo " --enable-libamr-nb enable libamr-nb floating point audio codec"
96 echo " --enable-libamr-wb enable libamr-wb floating point audio codec"
97 echo " --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394"
98 echo " and libraw1394 [no]"
99 echo " --enable-libdirac enable Dirac support via libdirac [no]"
100 echo " --enable-libfaac enable FAAC support via libfaac [no]"
101 echo " --enable-libfaad enable FAAD support via libfaad [no]"
102 echo " --enable-libfaadbin open libfaad.so.0 at runtime [no]"
103 echo " --enable-libgsm enable GSM support via libgsm [no]"
104 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [no]"
105 echo " --enable-libnut enable NUT (de)muxing via libnut,"
106 echo " native (de)muxer exists [no]"
107 echo " --enable-libschroedinger enable Dirac support via libschroedinger [no]"
108 echo " --enable-libspeex enable Speex decoding via libspeex [no]"
109 echo " --enable-libtheora enable Theora encoding via libtheora [no]"
110 echo " --enable-libvorbis enable Vorbis encoding via libvorbis,"
111 echo " native implementation exists [no]"
112 echo " --enable-libx264 enable H.264 encoding via x264 [no]"
113 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
114 echo " native MPEG-4/Xvid encoder exists [no]"
115 echo " --enable-zlib enable zlib [no]"
116 echo ""
117 echo "Advanced options (experts only):"
118 echo " --source-path=PATH path to source code [$source_path]"
119 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
120 echo " --enable-cross-compile assume a cross-compiler is used"
121 echo " --target-os=OS compiler targets OS [$target_os]"
122 echo " --target-exec=CMD command to run executables on target"
123 echo " --target-path=DIR path to view of build directory on target"
124 echo " --nm=NM use nm tool"
125 echo " --cc=CC use C compiler CC [$cc]"
126 echo " --host-cc=HOSTCC use host C compiler HOSTCC"
127 echo " --host-cflags=HCFLAGS use HCFLAGS when compiling for host"
128 echo " --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host"
129 echo " --host-libs=HLIBS use libs HLIBS when linking for host"
130 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
131 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
132 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
133 echo " --extra-version=STRING version string suffix []"
134 echo " --build-suffix=SUFFIX library name suffix []"
135 echo " --arch=ARCH select architecture [$arch]"
136 echo " --cpu=CPU select the minimum required CPU (affects"
137 echo " instruction selection, may crash on older CPUs)"
138 echo " --enable-powerpc-perf enable performance report on PPC"
139 echo " (requires enabling PMC)"
140 echo " --disable-altivec disable AltiVec optimizations"
141 echo " --disable-mmx disable MMX optimizations"
142 echo " --disable-mmx2 disable MMX2 optimizations"
143 echo " --disable-ssse3 disable SSSE3 optimizations"
144 echo " --disable-armv5te disable armv5te optimizations"
145 echo " --disable-armv6 disable armv6 optimizations"
146 echo " --disable-armvfp disable ARM VFP optimizations"
147 echo " --disable-iwmmxt disable iwmmxt optimizations"
148 echo " --disable-mmi disable MMI optimizations"
149 echo " --disable-neon disable neon optimizations"
150 echo " --disable-vis disable VIS optimizations"
151 echo " --disable-network disable network support [no]"
152 echo " --disable-ipv6 disable IPv6 support [no]"
153 echo " --disable-mpegaudio-hp faster (but less accurate)"
154 echo " MPEG audio decoding [no]"
155 echo " --disable-aandct disable AAN DCT code"
156 echo " --disable-fft disable FFT code"
157 echo " --disable-golomb disable Golomb code"
158 echo " --disable-mdct disable MDCT code"
159 echo " --enable-gray enable full grayscale support (slower color)"
160 echo " --disable-ffmpeg disable ffmpeg build"
161 echo " --disable-ffplay disable ffplay build"
162 echo " --disable-ffserver disable ffserver build"
163 echo " --enable-small optimize for size instead of speed"
164 echo " --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
165 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
166 echo " --enable-beos-netserver enable BeOS netserver"
167 echo " --disable-encoder=NAME disable encoder NAME"
168 echo " --enable-encoder=NAME enable encoder NAME"
169 echo " --disable-encoders disable all encoders"
170 echo " --disable-decoder=NAME disable decoder NAME"
171 echo " --enable-decoder=NAME enable decoder NAME"
172 echo " --disable-decoders disable all decoders"
173 echo " --disable-muxer=NAME disable muxer NAME"
174 echo " --enable-muxer=NAME enable muxer NAME"
175 echo " --disable-muxers disable all muxers"
176 echo " --disable-demuxer=NAME disable demuxer NAME"
177 echo " --enable-demuxer=NAME enable demuxer NAME"
178 echo " --disable-demuxers disable all demuxers"
179 echo " --enable-parser=NAME enable parser NAME"
180 echo " --disable-parser=NAME disable parser NAME"
181 echo " --disable-parsers disable all parsers"
182 echo " --enable-bsf=NAME enable bitstream filter NAME"
183 echo " --disable-bsf=NAME disable bitstream filter NAME"
184 echo " --disable-bsfs disable all bitstream filters"
185 echo " --enable-protocol=NAME enable protocol NAME"
186 echo " --disable-protocol=NAME disable protocol NAME"
187 echo " --disable-protocols disable all protocols"
188 echo " --disable-indevs disable input devices"
189 echo " --disable-outdevs disable output devices"
190 echo " --disable-devices disable all devices"
191 echo " --enable-filter=NAME enable filter NAME"
192 echo " --disable-filter=NAME disable filter NAME"
193 echo " --disable-filters disable all filters"
194 echo " --list-decoders show all available decoders"
195 echo " --list-encoders show all available encoders"
196 echo " --list-muxers show all available muxers"
197 echo " --list-demuxers show all available demuxers"
198 echo " --list-parsers show all available parsers"
199 echo " --list-protocols show all available protocols"
200 echo " --list-bsfs show all available bitstream filters"
201 echo " --list-indevs show all available input devices"
202 echo " --list-outdevs show all available output devices"
203 echo " --list-filters show all available filters"
204 echo
205 echo "Developer options (useful when working on FFmpeg itself):"
206 echo " --disable-debug disable debugging symbols"
207 echo " --enable-debug=LEVEL set the debug level [$debuglevel]"
208 echo " --enable-gprof enable profiling with gprof [$gprof]"
209 echo " --disable-optimizations disable compiler optimizations"
210 echo " --enable-extra-warnings enable more compiler warnings"
211 echo " --disable-stripping disable stripping of executables and shared libraries"
212 echo ""
213 echo "NOTE: Object files are built at the place where configure is launched."
214 exit 0
217 log(){
218 echo "$@" >> $logfile
221 log_file(){
222 log BEGIN $1
223 pr -n -t $1 >> $logfile
224 log END $1
227 echolog(){
228 log "$@"
229 echo "$@"
232 die(){
233 echolog "$@"
234 cat <<EOF
235 If you think configure made a mistake, make sure you are using the latest
236 version from SVN. If the latest version fails, report the problem to the
237 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
239 if disabled logging; then
240 cat <<EOF
241 Rerun configure with logging enabled (do not use --disable-logging), and
242 include the log this produces with your report.
244 else
245 cat <<EOF
246 Include the log file "$logfile" produced by configure as this will help
247 solving the problem.
250 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
251 exit 1
254 # Avoid locale weirdness, besides we really just want to translate ASCII.
255 toupper(){
256 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
259 tolower(){
260 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
263 set_all(){
264 value=$1
265 shift
266 for var in $*; do
267 eval $var=$value
268 done
271 set_weak(){
272 value=$1
273 shift
274 for var; do
275 eval : \${$var:=$value}
276 done
279 pushvar(){
280 for var in $*; do
281 eval level=\${${var}_level:=0}
282 eval ${var}_${level}="\$$var"
283 eval ${var}_level=$(($level+1))
284 done
287 popvar(){
288 for var in $*; do
289 eval level=\${${var}_level:-0}
290 test $level = 0 && continue
291 eval level=$(($level-1))
292 eval $var="\${${var}_${level}}"
293 eval ${var}_level=$level
294 eval unset ${var}_${level}
295 done
298 enable(){
299 set_all yes $*
302 disable(){
303 set_all no $*
306 enable_weak(){
307 set_weak yes $*
310 disable_weak(){
311 set_weak no $*
314 do_enable_deep(){
315 for var; do
316 enabled $var && continue
317 eval sel="\$${var}_select"
318 eval sgs="\$${var}_suggest"
319 pushvar var sgs
320 enable_deep $sel
321 popvar sgs
322 enable_deep_weak $sgs
323 popvar var
324 done
327 enable_deep(){
328 do_enable_deep $*
329 enable $*
332 enable_deep_weak(){
333 do_enable_deep $*
334 enable_weak $*
337 enabled(){
338 test "${1#!}" = "$1" && op== || op=!=
339 eval test "x\$${1#!}" $op "xyes"
342 disabled(){
343 test "${1#!}" = "$1" && op== || op=!=
344 eval test "x\$${1#!}" $op "xno"
347 enabled_all(){
348 for opt; do
349 enabled $opt || return 1
350 done
353 disabled_all(){
354 for opt; do
355 disabled $opt || return 1
356 done
359 enabled_any(){
360 for opt; do
361 enabled $opt && return 0
362 done
365 disabled_any(){
366 for opt; do
367 disabled $opt && return 0
368 done
369 return 1
372 set_default(){
373 for opt; do
374 eval : \${$opt:=\$${opt}_default}
375 done
378 is_in(){
379 value=$1
380 shift
381 for var in $*; do
382 [ $var = $value ] && return 0
383 done
384 return 1
387 check_deps(){
388 for cfg; do
389 cfg="${cfg#!}"
390 enabled ${cfg}_checking && die "Circular dependency for $cfg."
391 disabled ${cfg}_checking && continue
392 enable ${cfg}_checking
394 eval dep_all="\$${cfg}_deps"
395 eval dep_any="\$${cfg}_deps_any"
396 eval dep_sel="\$${cfg}_select"
397 eval dep_sgs="\$${cfg}_suggest"
399 pushvar cfg dep_all dep_any dep_sel dep_sgs
400 check_deps $dep_all $dep_any $dep_sel $dep_sgs
401 popvar cfg dep_all dep_any dep_sel dep_sgs
403 enabled_all $dep_all || disable $cfg
404 enabled_any $dep_any || disable $cfg
405 disabled_any $dep_sel && disable $cfg
407 if enabled $cfg; then
408 eval dep_extralibs="\$${cfg}_extralibs"
409 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
410 enable_deep $dep_sel
411 enable_deep_weak $dep_sgs
414 disable ${cfg}_checking
415 done
418 print_config(){
419 pfx=$1
420 header=$2
421 makefile=$3
422 shift 3
423 for cfg; do
424 ucname="`toupper $cfg`"
425 if enabled $cfg; then
426 echo "#define ${pfx}${ucname} 1" >> $header
427 echo "#define ENABLE_${ucname} 1" >> $header
428 echo "${pfx}${ucname}=yes" >> $makefile
429 else
430 echo "#define ENABLE_${ucname} 0" >> $header
432 done
435 flags_saved(){
436 (: ${SAVE_CFLAGS?}) 2> /dev/null
439 save_flags(){
440 flags_saved && return
441 SAVE_CFLAGS="$CFLAGS"
442 SAVE_LDFLAGS="$LDFLAGS"
443 SAVE_extralibs="$extralibs"
446 restore_flags(){
447 flags_saved || return
448 CFLAGS="$SAVE_CFLAGS"
449 LDFLAGS="$SAVE_LDFLAGS"
450 extralibs="$SAVE_extralibs"
451 unset SAVE_CFLAGS
452 unset SAVE_LDFLAGS
453 unset SAVE_extralibs
456 temp_cflags(){
457 save_flags
458 CFLAGS="$CFLAGS $*"
461 temp_ldflags(){
462 save_flags
463 LDFLAGS="$LDFLAGS $*"
466 temp_extralibs(){
467 save_flags
468 extralibs="$extralibs $*"
471 append(){
472 var=$1
473 shift
474 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
475 eval "$var=\"\$$var $*\""
478 add_cflags(){
479 append CFLAGS "$@"
482 add_ldflags(){
483 append LDFLAGS "$@"
486 add_extralibs(){
487 append extralibs "$@"
490 check_cmd(){
491 log "$@"
492 "$@" >> $logfile 2>&1
495 check_cc(){
496 log check_cc "$@"
497 cat > $TMPC
498 log_file $TMPC
499 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
502 check_cpp(){
503 log check_cpp "$@"
504 cat > $TMPC
505 log_file $TMPC
506 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
509 check_asm(){
510 log check_asm "$@"
511 name="$1"
512 asm="$2"
513 shift 2
514 check_cc "$@" <<EOF && enable $name || disable $name
515 void foo(void){ __asm__ volatile($asm); }
519 check_yasm(){
520 log check_yasm "$@"
521 echo "$1" > $TMPS
522 log_file $TMPS
523 shift 1
524 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
527 check_ld(){
528 log check_ld "$@"
529 check_cc || return
530 flags=''
531 libs=''
532 for f; do
533 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
534 done
535 check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
538 check_cflags(){
539 log check_cflags "$@"
540 check_cc "$@" <<EOF && add_cflags "$@"
541 int x;
545 check_ldflags(){
546 log check_ldflags "$@"
547 check_ld "$@" <<EOF && add_ldflags "$@"
548 int main(void){ return 0; }
552 check_header(){
553 log check_header "$@"
554 header=$1
555 shift
556 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
557 disable $var
558 check_cpp "$@" <<EOF && enable $var
559 #include <$header>
560 int x;
564 check_func(){
565 log check_func "$@"
566 func=$1
567 shift
568 disable $func
569 check_ld "$@" <<EOF && enable $func
570 extern int $func();
571 int main(void){ $func(); }
575 check_func_headers(){
576 log check_func_headers "$@"
577 headers=$1
578 func=$2
579 shift 2
580 disable $func
581 incs=""
582 for hdr in $headers; do
583 incs="$incs
584 #include <$hdr>"
585 done
586 check_ld "$@" <<EOF && enable $func
587 $incs
588 int main(int argc, char **argv){
589 (void) $func;
590 return 0;
595 check_cpp_condition(){
596 log check_cpp_condition "$@"
597 header=$1
598 condition=$2
599 check_cpp <<EOF
600 #include <$header>
601 #if !($condition)
602 #error "unsatisfied condition: $condition"
603 #endif
607 check_lib(){
608 log check_lib "$@"
609 header="$1"
610 func="$2"
611 shift 2
612 temp_extralibs "$@"
613 check_header $header && check_func $func && add_extralibs "$@"
614 err=$?
615 restore_flags
616 return $err
619 check_lib2(){
620 log check_lib2 "$@"
621 headers="$1"
622 func="$2"
623 shift 2
624 temp_extralibs "$@"
625 check_func_headers "$headers" $func && add_extralibs "$@"
626 err=$?
627 restore_flags
628 return $err
631 check_exec(){
632 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
635 check_exec_crash(){
636 code=`cat`
638 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
639 # are safe but may not be available everywhere. Thus we use
640 # raise(SIGTERM) instead. The check is run in a subshell so we
641 # can redirect the "Terminated" message from the shell. SIGBUS
642 # is not defined by standard C so it is used conditionally.
644 (check_exec "$@") >> $logfile 2>&1 <<EOF
645 #include <signal.h>
646 static void sighandler(int sig){
647 raise(SIGTERM);
649 int main(void){
650 signal(SIGILL, sighandler);
651 signal(SIGFPE, sighandler);
652 signal(SIGSEGV, sighandler);
653 #ifdef SIGBUS
654 signal(SIGBUS, sighandler);
655 #endif
656 { $code }
661 check_type(){
662 log check_type "$@"
663 headers=$1
664 type=$2
665 shift 2
666 disable $type
667 incs=""
668 for hdr in $headers; do
669 incs="$incs
670 #include <$hdr>"
671 done
672 check_cc "$@" <<EOF && enable $type
673 $incs
674 $type v;
678 require(){
679 name="$1"
680 header="$2"
681 func="$3"
682 shift 3
683 check_lib $header $func "$@" || die "ERROR: $name not found"
686 require2(){
687 name="$1"
688 headers="$2"
689 func="$3"
690 shift 3
691 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
694 check_foo_config(){
695 cfg=$1
696 pkg=$2
697 header=$3
698 func=$4
699 shift 4
700 disable $cfg
701 check_cmd ${pkg}-config --version
702 err=$?
703 if test "$err" = 0; then
704 temp_cflags `${pkg}-config --cflags`
705 temp_extralibs `${pkg}-config --libs`
706 check_lib "$@" $header $func && enable $cfg
708 return $err
711 apply(){
712 file=$1
713 shift
714 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
717 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
718 # system-dependent things.
720 COMPONENT_LIST="
721 bsfs
722 decoders
723 demuxers
724 encoders
725 filters
726 indevs
727 muxers
728 outdevs
729 parsers
730 protocols
733 CONFIG_LIST="
734 $COMPONENT_LIST
735 aandct
736 avfilter
737 avfilter_lavf
738 avisynth
739 beos_netserver
740 bzlib
741 ffmpeg
742 ffplay
743 ffserver
745 golomb
747 gprof
748 gray
749 hardcoded_tables
750 ipv6
751 libamr_nb
752 libamr_wb
753 libdc1394
754 libdirac
755 libfaac
756 libfaad
757 libfaadbin
758 libgsm
759 libmp3lame
760 libnut
761 libschroedinger
762 libspeex
763 libtheora
764 libvorbis
765 libx264
766 libxvid
767 mdct
768 memalign_hack
769 mlib
770 mpegaudio_hp
771 network
772 nonfree
773 postproc
774 powerpc_perf
775 small
776 swscale
777 vhook
778 x11grab
779 xvmc
780 zlib
783 THREADS_LIST='
784 beosthreads
785 os2threads
786 pthreads
787 w32threads
790 ARCH_LIST='
791 alpha
793 bfin
794 ia64
795 m68k
796 mips
797 parisc
799 s390
801 sparc
802 sparc64
804 x86_32
805 x86_64
808 ARCH_EXT_LIST='
809 altivec
810 armv5te
811 armv6
812 armvfp
813 iwmmxt
816 mmx2
817 neon
818 ssse3
822 HAVE_LIST="
823 $ARCH_EXT_LIST
824 $THREADS_LIST
825 altivec_h
826 arpa_inet_h
827 bswap
828 closesocket
829 cmov
830 conio_h
831 dcbzl
832 dev_bktr_ioctl_bt848_h
833 dev_bktr_ioctl_meteor_h
834 dev_ic_bt8xx_h
835 dev_video_meteor_ioctl_meteor_h
836 dev_video_bktr_ioctl_bt848_h
837 dlfcn_h
838 dlopen
839 dos_paths
840 ebp_available
841 ebx_available
842 fast_64bit
843 fast_cmov
844 fast_unaligned
845 fork
846 freetype2
847 gethrtime
848 GetProcessTimes
849 getrusage
850 imlib2
851 inet_aton
852 inline_asm
853 libdc1394_1
854 libdc1394_2
855 llrint
856 lrint
857 lrintf
858 machine_ioctl_bt848_h
859 machine_ioctl_meteor_h
860 malloc_h
861 memalign
862 mkstemp
864 ppc64
865 round
866 roundf
868 sdl_video_size
869 socklen_t
870 soundcard_h
871 poll_h
872 sys_mman_h
873 sys_resource_h
874 sys_select_h
875 sys_soundcard_h
876 sys_videoio_h
877 termios_h
878 threads
879 winsock2_h
880 yasm
883 # options emitted with CONFIG_ prefix but not available on command line
884 CONFIG_EXTRA="
885 fft_mmx
886 oldscaler
889 CMDLINE_SELECT="
890 $ARCH_EXT_LIST
891 $CONFIG_LIST
892 $THREADS_LIST
893 cross_compile
894 debug
895 extra_warnings
896 logging
897 optimizations
898 shared
899 static
900 stripping
903 PATHS_LIST='
904 bindir
905 incdir
906 libdir
907 mandir
908 prefix
909 shlibdir
912 CMDLINE_SET="
913 $PATHS_LIST
914 arch
915 build_suffix
918 cross_prefix
919 extra_version
920 host_cc
921 host_cflags
922 host_ldflags
923 host_libs
924 logfile
926 source_path
927 target_exec
928 target_os
929 target_path
932 # code dependency declarations
934 # architecture extensions
935 altivec_deps="ppc"
936 armv5te_deps="arm"
937 armv6_deps="arm"
938 armvfp_deps="arm"
939 iwmmxt_deps="arm"
940 mmi_deps="mips"
941 mmx_deps="x86"
942 mmx2_deps="x86 mmx"
943 neon_deps="arm"
944 ssse3_deps="x86"
945 vis_deps="sparc"
947 # common features
948 fft_suggest="fft_mmx"
949 fft_mmx_deps="mmx yasm"
950 oldscaler_deps="!swscale"
952 # decoders / encoders
953 aac_decoder_select="fft mdct"
954 ac3_decoder_deps="gpl"
955 ac3_decoder_select="fft mdct"
956 atrac3_decoder_select="fft mdct"
957 cavs_decoder_select="golomb"
958 cook_decoder_select="fft mdct"
959 cscd_decoder_suggest="zlib"
960 dca_decoder_select="fft mdct"
961 dnxhd_encoder_select="aandct"
962 dxa_decoder_select="zlib"
963 eac3_decoder_deps="gpl"
964 eac3_decoder_select="fft mdct"
965 eatgq_decoder_select="aandct"
966 ffv1_decoder_select="golomb"
967 flac_decoder_select="golomb"
968 flac_encoder_select="golomb"
969 flashsv_decoder_select="zlib"
970 flashsv_encoder_select="zlib"
971 flv_encoder_select="aandct"
972 h261_encoder_select="aandct"
973 h263_encoder_select="aandct"
974 h263p_encoder_select="aandct"
975 h264_decoder_select="golomb"
976 imc_decoder_select="fft mdct"
977 jpegls_decoder_select="golomb"
978 jpegls_encoder_select="golomb"
979 ljpeg_encoder_select="aandct"
980 loco_decoder_select="golomb"
981 mjpeg_encoder_select="aandct"
982 mpeg1video_encoder_select="aandct"
983 mpeg2video_encoder_select="aandct"
984 mpeg4_encoder_select="aandct"
985 mpeg_xvmc_decoder_deps="xvmc X11_extensions_XvMClib_h"
986 msmpeg4v1_encoder_select="aandct"
987 msmpeg4v2_encoder_select="aandct"
988 msmpeg4v3_encoder_select="aandct"
989 nellymoser_decoder_select="fft mdct"
990 nellymoser_encoder_select="fft mdct"
991 png_decoder_select="zlib"
992 png_encoder_select="zlib"
993 qdm2_decoder_select="fft mdct"
994 rv10_encoder_select="aandct"
995 rv20_encoder_select="aandct"
996 shorten_decoder_select="golomb"
997 sonic_decoder_select="golomb"
998 sonic_encoder_select="golomb"
999 sonic_ls_encoder_select="golomb"
1000 svq3_decoder_select="golomb"
1001 svq3_decoder_suggest="zlib"
1002 tiff_decoder_suggest="zlib"
1003 tiff_encoder_suggest="zlib"
1004 tscc_decoder_select="zlib"
1005 vorbis_decoder_select="fft mdct"
1006 vorbis_encoder_select="fft mdct"
1007 wmav1_decoder_select="fft mdct"
1008 wmav1_encoder_select="fft mdct"
1009 wmav2_decoder_select="fft mdct"
1010 wmav2_encoder_select="fft mdct"
1011 wmv1_encoder_select="aandct"
1012 wmv2_encoder_select="aandct"
1013 zlib_decoder_select="zlib"
1014 zlib_encoder_select="zlib"
1015 zmbv_decoder_select="zlib"
1016 zmbv_encoder_select="zlib"
1018 # external libraries
1019 libamr_nb_decoder_deps="libamr_nb"
1020 libamr_nb_encoder_deps="libamr_nb"
1021 libamr_wb_decoder_deps="libamr_wb"
1022 libamr_wb_encoder_deps="libamr_wb"
1023 libdirac_decoder_deps="libdirac !libschroedinger"
1024 libdirac_encoder_deps="libdirac"
1025 libfaac_encoder_deps="libfaac"
1026 libfaad_decoder_deps="libfaad"
1027 libfaadbin_decoder_extralibs='$ldl'
1028 libgsm_decoder_deps="libgsm"
1029 libgsm_encoder_deps="libgsm"
1030 libgsm_ms_decoder_deps="libgsm"
1031 libgsm_ms_encoder_deps="libgsm"
1032 libmp3lame_encoder_deps="libmp3lame"
1033 libschroedinger_decoder_deps="libschroedinger"
1034 libschroedinger_encoder_deps="libschroedinger"
1035 libspeex_decoder_deps="libspeex"
1036 libtheora_encoder_deps="libtheora"
1037 libvorbis_encoder_deps="libvorbis"
1038 libx264_encoder_deps="libx264"
1039 libxvid_encoder_deps="libxvid"
1040 mpeg4aac_decoder_deps="libfaad"
1042 # demuxers / muxers
1043 ac3_demuxer_deps="ac3_parser"
1044 audio_beos_demuxer_deps="audio_beos"
1045 audio_beos_demuxer_extralibs="-lmedia -lbe"
1046 audio_beos_muxer_deps="audio_beos"
1047 audio_beos_muxer_extralibs="-lmedia -lbe"
1048 avisynth_demuxer_deps="avisynth"
1049 bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1050 dirac_demuxer_deps="dirac_parser"
1051 dv1394_demuxer_deps="dv1394 dv_demuxer"
1052 libdc1394_demuxer_deps="libdc1394"
1053 libnut_demuxer_deps="libnut"
1054 libnut_muxer_deps="libnut"
1055 matroska_demuxer_suggest="zlib bzlib"
1056 mov_demuxer_suggest="zlib"
1057 mp3_demuxer_deps="mpegaudio_parser"
1058 oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
1059 oss_muxer_deps_any="soundcard_h sys_soundcard_h"
1060 redir_demuxer_deps="network"
1061 rtp_muxer_deps="network rtp_protocol"
1062 rtsp_demuxer_deps="sdp_demuxer"
1063 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1064 v4l_demuxer_deps="linux_videodev_h"
1065 v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
1066 vfwcap_demuxer_deps="capCreateCaptureWindow"
1067 vfwcap_demuxer_extralibs="-lvfw32"
1068 x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
1069 x11_grab_device_demuxer_extralibs="-lX11 -lXext"
1071 # protocols
1072 http_protocol_deps="network"
1073 rtp_protocol_deps="udp_protocol"
1074 tcp_protocol_deps="network"
1075 udp_protocol_deps="network"
1077 # filters
1078 movie_filter_deps="avfilter_lavf"
1080 # programs
1081 ffplay_deps="sdl"
1082 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1083 ffserver_extralibs='$ldl'
1084 vhook_extralibs='$ldl'
1087 # default parameters
1089 logfile="config.err"
1091 # installation paths
1092 prefix_default="/usr/local"
1093 bindir_default='${prefix}/bin'
1094 incdir_default='${prefix}/include'
1095 libdir_default='${prefix}/lib'
1096 mandir_default='${prefix}/share/man'
1097 shlibdir_default="$libdir_default"
1099 # toolchain
1100 cc_default="gcc"
1101 host_cc_default="gcc"
1102 yasmexe="yasm"
1103 ar="ar"
1104 nm_default="nm"
1105 ranlib="ranlib"
1106 strip="strip"
1107 ln_s="ln -sf"
1108 objformat="elf"
1110 # machine
1111 arch=`uname -m`
1112 cpu="generic"
1114 # OS
1115 target_os=$(tolower $(uname -s))
1117 # configurable options
1118 enable debug
1119 enable ffmpeg
1120 enable ffplay
1121 enable ffserver
1122 enable ipv6
1123 enable mpegaudio_hp
1124 enable network
1125 enable oldscaler
1126 enable optimizations
1127 enable protocols
1128 enable static
1129 enable stripping
1130 vhook="default"
1132 # build settings
1133 add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1134 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1135 VHOOKSHFLAGS='$(SHFLAGS)'
1136 FFSERVERLDFLAGS=-Wl,-E
1137 LIBPREF="lib"
1138 LIBSUF=".a"
1139 FULLNAME='$(NAME)$(BUILDSUF)'
1140 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1141 SLIBPREF="lib"
1142 SLIBSUF=".so"
1143 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1144 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1145 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1146 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1148 host_cflags='-O3 -g -Wall'
1149 host_libs='-lm'
1151 target_path='.'
1153 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1154 # full relative path for objects in subdirectories for non-recursive Make.
1155 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,"'
1157 # find source path
1158 source_path="`dirname \"$0\"`"
1159 enable source_path_used
1160 if test -z "$source_path" -o "$source_path" = "." ; then
1161 source_path="`pwd`"
1162 disable source_path_used
1163 else
1164 source_path="`cd \"$source_path\"; pwd`"
1165 echo "$source_path" | grep -q '[[:blank:]]' &&
1166 die "Out of tree builds are impossible with whitespace in source path."
1169 FFMPEG_CONFIGURATION="$@"
1171 find_things(){
1172 thing=$1
1173 pattern=$2
1174 file=$source_path/$3
1175 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1178 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1179 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1180 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1181 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1182 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1183 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1184 OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
1185 INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
1186 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1187 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1189 enable $ARCH_EXT_LIST \
1190 $DECODER_LIST \
1191 $ENCODER_LIST \
1192 $PARSER_LIST \
1193 $BSF_LIST \
1194 $DEMUXER_LIST \
1195 $MUXER_LIST \
1196 $FILTER_LIST \
1197 $PROTOCOL_LIST \
1198 $INDEV_LIST \
1199 $OUTDEV_LIST \
1201 die_unknown(){
1202 echo "Unknown option \"$1\"."
1203 echo "See $0 --help for available options."
1204 exit 1
1207 show_list() {
1208 suffix=_$1
1209 shift
1210 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1211 exit 0
1214 for opt do
1215 optval="${opt#*=}"
1216 case "$opt" in
1217 --extra-cflags=*) add_cflags "$optval"
1219 --extra-ldflags=*) add_ldflags "$optval"
1221 --extra-libs=*) add_extralibs "$optval"
1223 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1225 --enable-debug=*) debuglevel="$optval"
1227 --enable-*=*|--disable-*=*)
1228 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1229 case "$thing" in
1230 encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1231 *) die_unknown "$opt" ;;
1232 esac
1234 --enable-?*|--disable-?*)
1235 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1236 if is_in $option $COMPONENT_LIST; then
1237 eval $action \$$(toupper ${option%s})_LIST
1238 elif is_in $option $CMDLINE_SELECT; then
1239 $action $option
1240 else
1241 die_unknown $opt
1244 --list-*)
1245 NAME="${opt#--list-}"
1246 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1247 NAME=${NAME%s}
1248 eval show_list $NAME \$$(toupper $NAME)_LIST
1250 --help|-h) show_help
1253 optname="${opt%%=*}"
1254 optname="${optname#--}"
1255 optname=$(echo "$optname" | sed 's/-/_/g')
1256 is_in $optname $CMDLINE_SET || die_unknown $opt
1257 eval $optname='$optval'
1259 esac
1260 done
1262 disabled logging && logfile=/dev/null
1264 echo "# $0 $@" > $logfile
1265 set >> $logfile
1267 test -n "$cross_prefix" && enable cross_compile
1269 cc_default="${cross_prefix}${cc_default}"
1270 yasmexe="${cross_prefix}${yasmexe}"
1271 ar="${cross_prefix}${ar}"
1272 nm_default="${cross_prefix}${nm_default}"
1273 ranlib="${cross_prefix}${ranlib}"
1274 strip="${cross_prefix}${strip}"
1276 set_default cc nm
1277 enabled cross_compile || host_cc_default=$cc
1278 set_default host_cc
1280 # set temporary file name
1281 if test ! -z "$TMPDIR" ; then
1282 TMPDIR1="${TMPDIR}"
1283 elif test ! -z "$TEMPDIR" ; then
1284 TMPDIR1="${TEMPDIR}"
1285 else
1286 TMPDIR1="/tmp"
1289 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1290 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1291 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1292 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1293 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1294 TMPSH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
1296 check_cflags -std=c99
1298 case "$arch" in
1299 i386|i486|i586|i686|i86pc|BePC)
1300 arch="x86_32"
1301 enable fast_unaligned
1303 x86_64|amd64)
1304 arch="x86_32"
1305 enable cmov
1306 enable fast_cmov
1307 enable fast_unaligned
1308 check_cc <<EOF && enable fast_64bit && arch="x86_64"
1309 int test[sizeof(char*) - 7];
1312 arm|armv[4567]*l)
1313 arch="arm"
1315 alpha)
1316 arch="alpha"
1317 enable fast_64bit
1319 "Power Macintosh"|ppc|powerpc)
1320 arch="ppc"
1321 enable fast_unaligned
1323 ppc64)
1324 arch="ppc"
1325 enable fast_64bit
1326 enable fast_unaligned
1328 mips|mipsel|IP*)
1329 arch="mips"
1331 mips64)
1332 arch="mips"
1333 enable fast_64bit
1335 sun4u|sparc64)
1336 arch="sparc64"
1337 enable fast_64bit
1339 sparc)
1340 arch="sparc"
1342 sh4|sh)
1343 arch="sh4"
1345 parisc|hppa)
1346 arch="parisc"
1348 parisc64|hppa64)
1349 arch="parisc"
1350 enable fast_64bit
1352 s390|s390x)
1353 arch="s390"
1355 m68k)
1356 arch="m68k"
1358 ia64)
1359 arch="ia64"
1360 enable fast_64bit
1362 bfin)
1363 arch="bfin"
1366 arch="unknown"
1368 esac
1370 enable $arch
1371 enabled_any x86_32 x86_64 && enable x86
1372 enabled sparc64 && enable sparc
1374 # OS specific
1375 case $target_os in
1376 beos|haiku|zeta)
1377 prefix_default="$HOME/config"
1378 # helps building libavcodec
1379 add_cflags "-DPIC -fomit-frame-pointer"
1380 # 3 gcc releases known for BeOS, each with ugly bugs
1381 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1382 case "$gcc_version" in
1383 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1384 disable mmx
1386 *20010315*) echo "BeBits gcc"
1387 add_cflags "-fno-expensive-optimizations"
1389 esac
1390 SHFLAGS=-nostart
1391 # enable BeOS things
1392 enable audio_beos
1393 # no need for libm, but the inet stuff
1394 # Check for BONE
1395 # XXX: actually should check for NOT net_server
1396 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1397 network_extralibs="-lbind -lsocket"
1398 else
1399 enable beos_netserver
1400 network_extralibs="-lnet"
1401 fi ;;
1402 sunos)
1403 FFSERVERLDFLAGS=""
1404 SHFLAGS='-shared -Wl,-h,$$(@F)'
1405 network_extralibs="-lsocket -lnsl"
1407 netbsd)
1408 oss_demuxer_extralibs="-lossaudio"
1409 oss_muxer_extralibs="-lossaudio"
1411 openbsd)
1412 disable need_memalign
1413 LIBOBJFLAGS='$(PIC)'
1414 SHFLAGS='-shared'
1415 oss_demuxer_extralibs="-lossaudio"
1416 oss_muxer_extralibs="-lossaudio"
1418 freebsd)
1419 disable need_memalign
1421 bsd/os)
1422 osextralibs="-lpoll -lgnugetopt"
1423 strip="strip -d"
1425 darwin)
1426 disable need_memalign
1427 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1428 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
1429 strip="strip -x"
1430 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1431 SLIBSUF=".dylib"
1432 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1433 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1434 FFSERVERLDFLAGS=-Wl,-bind_at_load
1435 objformat="macho"
1436 enabled x86_64 && objformat="macho64"
1438 mingw32*)
1439 target_os=mingw32
1440 LIBTARGET=i386
1441 if test $arch = x86_64; then
1442 disable need_memalign
1443 LIBTARGET=x64
1445 shlibdir_default="$bindir_default"
1446 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1447 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1448 if enabled swscale; then
1449 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1450 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1452 disable ffserver
1453 SLIBPREF=""
1454 SLIBSUF=".dll"
1455 EXESUF=".exe"
1456 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1457 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1458 SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1459 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1460 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1461 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1462 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1463 objformat="win32"
1464 enable dos_paths
1465 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1466 die "ERROR: MinGW runtime version must be >= 3.15."
1467 enabled_any avisynth vfwcap_demuxer &&
1468 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1469 die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1471 cygwin*)
1472 target_os=cygwin
1473 shlibdir_default="$bindir_default"
1474 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1475 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1476 if enabled swscale; then
1477 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1478 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1480 EXESUF=".exe"
1481 SLIBPREF="cyg"
1482 SLIBSUF=".dll"
1483 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1484 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1485 SHFLAGS='-shared -Wl,--enable-auto-image-base'
1486 objformat="win32"
1487 enable dos_paths
1489 *-dos|freedos|opendos)
1490 disable ffplay ffserver vhook
1491 disable $INDEV_LIST $OUTDEV_LIST
1492 network_extralibs="-lsocket"
1493 EXESUF=".exe"
1494 objformat="win32"
1495 enable dos_paths
1497 linux)
1498 enable dv1394
1500 irix*)
1501 target_os=irix
1502 ranlib="echo ignoring ranlib"
1504 os/2*)
1505 strip="lxlite"
1506 ln_s="cp -f"
1507 EXESUF=".exe"
1508 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1509 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1510 FFSERVERLDFLAGS=""
1511 LIBSUF="_s.a"
1512 SLIBPREF=""
1513 SLIBSUF=".dll"
1514 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1515 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1516 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1517 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1518 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1519 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1520 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1521 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1522 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1523 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1524 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1525 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1526 disable vhook
1527 enable dos_paths
1529 interix)
1530 disable vhook
1534 target_os="${target_os}-UNKNOWN"
1536 esac
1538 set_default $PATHS_LIST
1540 add_extralibs $osextralibs
1542 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1543 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1545 # we need to build at least one lib type
1546 if ! enabled_any static shared; then
1547 cat <<EOF
1548 At least one library type must be built.
1549 Specify --enable-static to build the static libraries or --enable-shared to
1550 build the shared libraries as well. To only build the shared libraries specify
1551 --disable-static in addition to --enable-shared.
1553 exit 1;
1556 disabled static && LIBNAME=""
1558 if enabled_any libfaad libfaadbin ; then
1559 if check_header faad.h; then
1560 check_cc <<EOF
1561 #include <faad.h>
1562 #ifndef FAAD2_VERSION
1563 ok faad1
1564 #endif
1565 int main(void) { return 0; }
1567 test $? = 0 && enable libfaad2
1568 else
1569 die "FAAD test failed."
1574 if ! enabled gpl; then
1575 die_gpl_disabled(){
1576 name=$1
1577 shift
1578 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1580 die_gpl_disabled "The Postprocessing code" postproc
1581 die_gpl_disabled "libx264" libx264
1582 die_gpl_disabled "libxvidcore" libxvid
1583 die_gpl_disabled "FAAD2" libfaad2
1584 die_gpl_disabled "The X11 grabber" x11grab
1585 die_gpl_disabled "The software scaler" swscale
1588 if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1589 die "libamr is nonfree and --enable-nonfree is not specified."
1592 check_deps $ARCH_EXT_LIST
1594 test -z "$need_memalign" && need_memalign="$mmx"
1596 #Darwin CC versions
1597 if test $target_os = darwin; then
1598 if $cc -v 2>&1 | grep -q xlc; then
1599 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1600 else
1601 add_cflags "-pipe"
1602 check_cflags "-force_cpusubtype_ALL"
1603 check_cflags "-Wno-sign-compare"
1604 enabled shared || check_cflags -mdynamic-no-pic
1608 disabled optimizations || check_cflags -fomit-frame-pointer
1610 # Add processor-specific flags
1611 if test $cpu != "generic"; then
1612 warn_altivec(){
1613 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1615 case $cpu in
1616 601|ppc601|PowerPC601)
1617 add_cflags "-mcpu=601"
1618 warn_altivec enabled PPC601
1620 603*|ppc603*|PowerPC603*)
1621 add_cflags "-mcpu=603"
1622 warn_altivec enabled PPC603
1624 604*|ppc604*|PowerPC604*)
1625 add_cflags "-mcpu=604"
1626 warn_altivec enabled PPC604
1628 G3|g3|75*|ppc75*|PowerPC75*)
1629 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1630 warn_altivec enabled PPC75x
1632 G4|g4|745*|ppc745*|PowerPC745*)
1633 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1634 warn_altivec disabled PPC745x
1636 74*|ppc74*|PowerPC74*)
1637 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1638 warn_altivec disabled PPC74xx
1640 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1641 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1642 warn_altivec disabled PPC970
1643 enable ppc64
1645 Cell|CELL|cell)
1646 add_cflags "-mcpu=cell"
1647 warn_altivec disabled Cell
1648 enable ppc64
1650 # targets that do NOT support conditional mov (cmov)
1651 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1652 add_cflags "-march=$cpu"
1653 disable cmov
1655 # targets that do support conditional mov (cmov)
1656 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1657 add_cflags "-march=$cpu"
1658 enable cmov
1659 enable fast_cmov
1661 # targets that do support conditional mov but on which it's slow
1662 pentium4|pentium4m|prescott|nocona)
1663 add_cflags "-march=$cpu"
1664 enable cmov
1665 disable fast_cmov
1667 sparc64)
1668 add_cflags "-mcpu=v9"
1670 arm11*|cortex*)
1671 add_cflags "-mcpu=$cpu"
1672 enable fast_unaligned
1674 armv*)
1675 add_cflags "-march=$cpu"
1677 arm*)
1678 add_cflags "-mcpu=$cpu"
1681 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1683 esac
1686 # make sure we can execute files in $TMPDIR
1687 cat > $TMPSH 2>> $logfile <<EOF
1688 #! /bin/sh
1690 chmod +x $TMPSH >> $logfile 2>&1
1691 if ! $TMPSH >> $logfile 2>&1; then
1692 cat <<EOF
1693 Unable to create and execute files in $TMPDIR1. Set the TMPDIR environment
1694 variable to another directory and make sure that $TMPDIR1 is not mounted
1695 noexec.
1697 die "Sanity test failed."
1699 rm $TMPSH
1701 # compiler sanity check
1702 check_exec <<EOF
1703 int main(void){ return 0; }
1705 if test "$?" != 0; then
1706 echo "$cc is unable to create an executable file."
1707 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1708 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1709 echo "Only do this if you know what cross compiling means."
1711 die "C compiler test failed."
1714 check_cc <<EOF || die "Symbol mangling check failed."
1715 int ff_extern;
1717 sym=$($nm -P -g $TMPO | grep ff_extern)
1718 extern_prefix=${sym%%ff_extern*}
1720 check_asm inline_asm '""'
1722 if enabled x86; then
1723 # check whether EBP is available on x86
1724 # As 'i' is stored on the stack, this program will crash
1725 # if the base pointer is used to access it because the
1726 # base pointer is cleared in the inline assembly code.
1727 check_exec_crash <<EOF && enable ebp_available
1728 volatile int i=0;
1729 __asm__ volatile (
1730 "xorl %%ebp, %%ebp"
1731 ::: "%ebp");
1732 return i;
1735 # check wether EBX is available on x86
1736 check_asm ebx_available '"":::"%ebx"'
1738 # check whether binutils is new enough to compile SSSE3/MMX2
1739 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1740 enabled mmx2 && check_asm mmx2 '"movss %xmm0, %xmm0"'
1742 check_asm bswap '"bswap %%eax" ::: "%eax"'
1744 YASMFLAGS="-f $objformat -DARCH_$(toupper $arch)"
1745 enabled x86_64 && append YASMFLAGS "-m amd64"
1746 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1747 case "$objformat" in
1748 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1749 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
1750 *) append YASMFLAGS "-DPREFIX" ;;
1751 esac
1752 check_yasm "pabsw xmm0, xmm0" && enable yasm
1755 # check for assembler specific support
1757 if test $arch = "ppc"; then
1758 check_asm dcbzl '"dcbzl 0, 1"'
1761 # check for SIMD availability
1763 # AltiVec flags: The FSF version of GCC differs from the Apple version
1764 if enabled altivec; then
1765 check_cflags -maltivec -mabi=altivec &&
1766 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1767 check_cflags -faltivec
1769 # check if our compiler supports Motorola AltiVec C API
1770 check_cc <<EOF || disable altivec
1771 $inc_altivec_h
1772 int main(void) {
1773 vector signed int v1, v2, v3;
1774 v1 = vec_add(v2,v3);
1775 return 0;
1779 # check if our compiler supports braces for vector declarations
1780 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1781 $inc_altivec_h
1782 int main (void) { (vector int) {1}; return 0; }
1786 # We have to check if pld is a nop and disable it.
1787 enabled arm && check_asm pld '"pld [r0]"'
1788 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1789 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
1790 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
1791 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1792 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
1793 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
1794 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1796 enabled vis && add_cflags "-mcpu=ultrasparc -mtune=ultrasparc"
1798 # ---
1799 # big/little-endian test
1800 check_cc <<EOF || die "endian test failed"
1801 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1803 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1805 # ---
1806 # check availability of some header files
1808 if check_func dlopen; then
1809 ldl=
1810 elif check_func dlopen -ldl; then
1811 ldl=-ldl
1814 check_func fork
1815 check_func gethrtime
1816 check_func getrusage
1817 check_func inet_aton $network_extralibs
1818 check_func memalign
1819 check_func mkstemp
1820 check_func_headers windows.h GetProcessTimes
1822 check_header conio.h
1823 check_header dlfcn.h
1824 check_header malloc.h
1825 check_header poll.h
1826 check_header sys/mman.h
1827 check_header sys/resource.h
1828 check_header sys/select.h
1829 check_header termios.h
1830 check_header X11/extensions/XvMClib.h
1832 if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1833 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1836 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
1837 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1839 # check for some common methods of building with pthread support
1840 # do this before the optional library checks as some of them require pthreads
1841 if enabled pthreads; then
1842 if check_func pthread_create; then
1844 elif check_func pthread_create -pthread; then
1845 add_cflags -pthread
1846 add_extralibs -pthread
1847 elif check_func pthread_create -pthreads; then
1848 add_cflags -pthreads
1849 add_extralibs -pthreads
1850 elif check_func pthread_create -lpthreadGC2; then
1851 add_extralibs -lpthreadGC2
1852 elif ! check_lib pthread.h pthread_create -lpthread; then
1853 die "ERROR: can't find pthreads library"
1857 for thread in $THREADS_LIST; do
1858 if enabled $thread; then
1859 test -n "$thread_type" &&
1860 die "ERROR: Only one thread type must be selected." ||
1861 thread_type="$thread"
1863 done
1865 check_lib math.h sin -lm
1867 # test for C99 functions in math.h
1868 for func in llrint lrint lrintf round roundf; do
1869 check_exec <<EOF && enable $func || disable $func
1870 #include <math.h>
1871 int main(void) { return ($func(3.999f) > 0)?0:1; }
1873 done
1875 # these are off by default, so fail if requested and not available
1876 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1877 enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1878 enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1879 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
1880 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
1881 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
1882 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1883 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
1884 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1885 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
1886 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
1887 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
1888 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
1889 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
1890 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1891 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
1892 enabled libx264 && require libx264 x264.h x264_encoder_open -lx264 -lm &&
1893 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
1894 die "ERROR: libx264 version must be >= 0.65."; }
1895 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
1896 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1898 # libdc1394 check
1899 if enabled libdc1394; then
1900 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1901 enable libdc1394_2; } ||
1902 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1903 enable libdc1394_1; } ||
1904 die "ERROR: No version of libdc1394 found "
1908 _restrict=
1909 for restrict_keyword in restrict __restrict__ __restrict; do
1910 check_cc <<EOF && _restrict=$restrict_keyword && break
1911 void foo(char * $restrict_keyword p);
1913 done
1915 test "$vhook" = "default" && vhook="$dlopen"
1917 if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
1918 disable vhook
1919 echo
1920 echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1921 echo "Patches welcome."
1922 echo
1925 if enabled vhook; then
1926 check_ldflags -rdynamic
1927 check_ldflags -export-dynamic
1930 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1931 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1933 ##########################################
1934 # SDL check
1936 disable sdl_too_old
1937 disable sdl
1938 SDL_CONFIG="${cross_prefix}sdl-config"
1939 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
1940 sdl_cflags=`"${SDL_CONFIG}" --cflags`
1941 temp_cflags $sdl_cflags
1942 temp_extralibs `"${SDL_CONFIG}" --libs`
1943 if check_lib2 SDL.h SDL_Init; then
1944 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1945 if test "$_sdlversion" -lt 121 ; then
1946 enable sdl_too_old
1947 else
1948 enable sdl
1949 check_cc $sdl_cflags <<EOF && enable sdl_video_size
1950 #include <SDL.h>
1951 int main(int argc, char **argv){
1952 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1953 int w = vi->current_w;
1954 return 0;
1959 restore_flags
1962 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
1964 ##########################################
1965 # Network check
1967 if enabled network; then
1968 check_type "sys/types.h sys/socket.h" socklen_t
1969 # Prefer arpa/inet.h over winsock2
1970 if check_header arpa/inet.h ; then
1971 check_func closesocket
1972 elif check_header winsock2.h ; then
1973 network_extralibs="-lws2_32"
1974 check_type ws2tcpip.h socklen_t
1975 check_func_headers winsock2.h closesocket
1979 ##########################################
1980 # IPv6 check
1982 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
1983 #include <sys/types.h>
1984 #include <sys/socket.h>
1985 #include <netinet/in.h>
1986 #include <netdb.h>
1987 int main(void) {
1988 struct sockaddr_storage saddr;
1989 struct ipv6_mreq mreq6;
1990 getaddrinfo(0,0,0,0);
1991 getnameinfo(0,0,0,0,0,0,0);
1992 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1996 check_header linux/videodev.h
1997 check_header linux/videodev2.h
1998 check_header sys/videoio.h
2000 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2002 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2003 { check_header dev/bktr/ioctl_meteor.h &&
2004 check_header dev/bktr/ioctl_bt848.h; } ||
2005 { check_header machine/ioctl_meteor.h &&
2006 check_header machine/ioctl_bt848.h; } ||
2007 { check_header dev/video/meteor/ioctl_meteor.h &&
2008 check_header dev/video/bktr/ioctl_bt848.h; } ||
2009 check_header dev/ic/bt8xx.h
2011 check_header sys/soundcard.h
2012 check_header soundcard.h
2014 # deal with the X11 frame grabber
2015 enabled x11grab &&
2016 check_header X11/Xlib.h &&
2017 check_header X11/extensions/XShm.h &&
2018 check_func XOpenDisplay -lX11 &&
2019 check_func XShmCreateImage -lX11 -lXext
2021 enabled debug && add_cflags -g"$debuglevel"
2023 # add some useful compiler flags if supported
2024 check_cflags -Wdeclaration-after-statement
2025 check_cflags -Wall
2026 check_cflags -Wno-switch
2027 check_cflags -Wdisabled-optimization
2028 check_cflags -Wpointer-arith
2029 check_cflags -Wredundant-decls
2030 check_cflags -Wno-pointer-sign
2031 check_cflags -Wcast-qual
2032 check_cflags -Wwrite-strings
2033 check_cflags -Wtype-limits
2034 enabled extra_warnings && check_cflags -Winline
2036 # add some linker flags
2037 check_ldflags -Wl,--warn-common
2038 check_ldflags -Wl,--as-needed
2039 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'
2040 check_ldflags -Wl,-Bsymbolic
2042 if enabled small; then
2043 check_cflags -Os # not all compilers support -Os
2044 optimizations="small"
2045 elif enabled optimizations; then
2046 if $cc -v 2>&1 | grep -q xlc; then
2047 add_cflags "-O5"
2048 add_ldflags "-O5"
2049 else
2050 add_cflags "-O3"
2053 check_cflags -fno-math-errno
2054 check_cflags -fno-signed-zeros
2056 # add some flags for Intel C Compiler
2057 if $cc --version 2> /dev/null | grep -q Intel; then
2058 # Just warnings, no remarks
2059 check_cflags -w1
2060 # -wd: Disable following warnings
2061 # 144, 167, 556: -Wno-pointer-sign
2062 # 10006: ignoring unknown option -fno-signed-zeros
2063 # 10156: ignoring option '-W'; no argument required
2064 check_cflags -wd144,167,556,10006,10156
2065 # 11030: Warning unknown option --as-needed
2066 # 10156: ignoring option '-export'; no argument required
2067 check_ldflags -wd10156,11030
2068 # Allow to compile with optimizations
2069 check_ldflags -march=$cpu
2072 # PIC flags for shared library objects where they are needed
2073 if enabled shared; then
2074 # LIBOBJFLAGS may have already been set in the OS configuration
2075 if test -z "$LIBOBJFLAGS" ; then
2076 case "$arch" in
2077 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2078 esac
2082 if enabled gprof; then
2083 add_cflags "-p"
2084 add_ldflags "-p"
2087 VHOOKCFLAGS="-fPIC"
2089 # Find out if the .align argument is a power of two or not.
2090 check_asm asmalign_pot '".align 3"'
2092 enabled_any $DECODER_LIST && enable decoders
2093 enabled_any $ENCODER_LIST && enable encoders
2094 enabled_any $BSF_LIST && enable bsfs
2095 enabled_any $DEMUXER_LIST && enable demuxers
2096 enabled_any $MUXER_LIST && enable muxers
2097 enabled_any $FILTER_LIST && enable filters
2098 enabled_any $INDEV_LIST && enable demuxers
2099 enabled_any $OUTDEV_LIST && enable muxers
2100 enabled_any $PROTOCOL_LIST && enable protocols
2102 enabled_any $THREADS_LIST && enable threads
2104 check_deps $CONFIG_LIST \
2105 $CONFIG_EXTRA \
2106 $HAVE_LIST \
2107 $DECODER_LIST \
2108 $ENCODER_LIST \
2109 $PARSER_LIST \
2110 $BSF_LIST \
2111 $DEMUXER_LIST \
2112 $MUXER_LIST \
2113 $FILTER_LIST \
2114 $INDEV_LIST \
2115 $OUTDEV_LIST \
2116 $PROTOCOL_LIST \
2118 echo "install prefix $prefix"
2119 echo "source path $source_path"
2120 echo "C compiler $cc"
2121 echo ".align is power-of-two $asmalign_pot"
2122 echo "ARCH $arch ($cpu)"
2123 if test "$build_suffix" != ""; then
2124 echo "build suffix $build_suffix"
2126 if test "$extra_version" != ""; then
2127 echo "version string suffix $extra_version"
2129 echo "big-endian ${bigendian-no}"
2130 if test $arch = "x86_32" -o $arch = "x86_64"; then
2131 echo "yasm ${yasm-no}"
2132 echo "MMX enabled ${mmx-no}"
2133 echo "CMOV enabled ${cmov-no}"
2134 echo "CMOV is fast ${fast_cmov-no}"
2135 echo "EBX available ${ebx_available-no}"
2136 echo "EBP available ${ebp_available-no}"
2138 if test $arch = "arm"; then
2139 echo "ARMv5TE enabled ${armv5te-no}"
2140 echo "ARMv6 enabled ${armv6-no}"
2141 echo "ARM VFP enabled ${armvfp-no}"
2142 echo "IWMMXT enabled ${iwmmxt-no}"
2143 echo "NEON enabled ${neon-no}"
2145 if test $arch = "mips"; then
2146 echo "MMI enabled ${mmi-no}"
2148 if test $arch = "ppc"; then
2149 echo "AltiVec enabled ${altivec-no}"
2150 echo "dcbzl available ${dcbzl-no}"
2152 echo "gprof enabled ${gprof-no}"
2153 echo "debug symbols ${debug-no}"
2154 echo "strip symbols ${stripping-no}"
2155 echo "optimizations ${optimizations-no}"
2156 echo "static ${static-no}"
2157 echo "shared ${shared-no}"
2158 echo "postprocessing support ${postproc-no}"
2159 echo "software scaler enabled ${swscale-no}"
2160 echo "new filter support ${avfilter-no}"
2161 echo "filters using lavformat ${avfilter_lavf-no}"
2162 echo "video hooking ${vhook-no}"
2163 if enabled vhook; then
2164 echo "Imlib2 support ${imlib2-no}"
2165 echo "FreeType support ${freetype2-no}"
2167 echo "network support ${network-no}"
2168 if enabled network; then
2169 echo "IPv6 support ${ipv6-no}"
2171 echo "threading support ${thread_type-no}"
2172 echo "SDL support ${sdl-no}"
2173 if enabled sdl_too_old; then
2174 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2176 echo "Sun medialib support ${mlib-no}"
2177 echo "AVISynth enabled ${avisynth-no}"
2178 echo "libamr-nb support ${libamr_nb-no}"
2179 echo "libamr-wb support ${libamr_wb-no}"
2180 echo "libdc1394 support ${libdc1394-no}"
2181 echo "libdirac enabled ${libdirac-no}"
2182 echo "libfaac enabled ${libfaac-no}"
2183 echo "libfaad enabled ${libfaad-no}"
2184 echo "libfaad dlopened ${libfaadbin-no}"
2185 echo "libgsm enabled ${libgsm-no}"
2186 echo "libmp3lame enabled ${libmp3lame-no}"
2187 echo "libnut enabled ${libnut-no}"
2188 echo "libschroedinger enabled ${libschroedinger-no}"
2189 echo "libspeex enabled ${libspeex-no}"
2190 echo "libtheora enabled ${libtheora-no}"
2191 echo "libvorbis enabled ${libvorbis-no}"
2192 echo "libx264 enabled ${libx264-no}"
2193 echo "libxvid enabled ${libxvid-no}"
2194 echo "zlib enabled ${zlib-no}"
2195 echo "bzlib enabled ${bzlib-no}"
2196 echo
2198 for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
2199 echo "Enabled ${type}s:"
2200 eval list=\$$(toupper $type)_LIST
2201 for part in $list; do
2202 enabled $part && echo ${part%_*}
2203 done | sort | pr -3 -t
2204 echo
2205 done
2207 license="LGPL"
2208 if enabled nonfree; then
2209 license="unredistributable"
2210 elif enabled gpl; then
2211 license="GPL"
2214 echo "License: $license"
2216 echo "Creating config.mak and config.h..."
2218 echo "# Automatically generated by configure - do not modify!" > config.mak
2219 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2220 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2221 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2222 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2224 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2225 echo "prefix=$prefix" >> config.mak
2226 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2227 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2228 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2229 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2230 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2231 echo "CC=$cc" >> config.mak
2232 echo "YASM=$yasmexe" >> config.mak
2233 echo "AR=$ar" >> config.mak
2234 echo "RANLIB=$ranlib" >> config.mak
2235 echo "LN_S=$ln_s" >> config.mak
2236 enabled stripping &&
2237 echo "STRIP=$strip" >> config.mak ||
2238 echo "STRIP=echo ignoring strip" >> config.mak
2240 echo "OPTFLAGS=$CFLAGS" >> config.mak
2241 echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
2242 echo "LDFLAGS=$LDFLAGS" >> config.mak
2243 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2244 echo "SHFLAGS=$SHFLAGS" >> config.mak
2245 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2246 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
2247 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
2248 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2249 echo "BUILD_STATIC=$static" >> config.mak
2250 echo "BUILDSUF=$build_suffix" >> config.mak
2251 echo "FULLNAME=$FULLNAME" >> config.mak
2252 echo "LIBPREF=$LIBPREF" >> config.mak
2253 echo "LIBSUF=$LIBSUF" >> config.mak
2254 echo "LIBNAME=$LIBNAME" >> config.mak
2255 echo "SLIBPREF=$SLIBPREF" >> config.mak
2256 echo "SLIBSUF=$SLIBSUF" >> config.mak
2257 echo "EXESUF=$EXESUF" >> config.mak
2258 echo "EXTRA_VERSION=$extra_version" >> config.mak
2259 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2260 echo "HOSTCC=$host_cc" >> config.mak
2261 echo "HOSTCFLAGS=$host_cflags" >> config.mak
2262 echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2263 echo "HOSTLIBS=$host_libs" >> config.mak
2264 echo "TARGET_EXEC=$target_exec" >> config.mak
2265 echo "TARGET_PATH=$target_path" >> config.mak
2267 if enabled bigendian; then
2268 echo "WORDS_BIGENDIAN=yes" >> config.mak
2269 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2272 if enabled sdl; then
2273 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2274 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2276 if enabled texi2html; then
2277 echo "BUILD_DOC=yes" >> config.mak
2280 get_version(){
2281 name=$1
2282 file=$source_path/$2
2283 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2284 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2285 lcname=$(tolower $name)
2286 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2287 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2290 get_version LIBSWSCALE libswscale/swscale.h
2291 get_version LIBPOSTPROC libpostproc/postprocess.h
2292 get_version LIBAVCODEC libavcodec/avcodec.h
2293 get_version LIBAVDEVICE libavdevice/avdevice.h
2294 get_version LIBAVFORMAT libavformat/avformat.h
2295 get_version LIBAVUTIL libavutil/avutil.h
2296 get_version LIBAVFILTER libavfilter/avfilter.h
2298 if enabled shared; then
2299 echo "BUILD_SHARED=yes" >> config.mak
2300 echo "PIC=-fPIC -DPIC" >> config.mak
2301 echo "LIBTARGET=${LIBTARGET}" >> config.mak
2302 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2303 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2304 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2305 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2306 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2307 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2308 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2310 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2311 echo "EXTRALIBS=$extralibs" >> config.mak
2313 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2314 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2315 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2316 $CONFIG_EXTRA \
2317 $DECODER_LIST \
2318 $ENCODER_LIST \
2319 $PARSER_LIST \
2320 $BSF_LIST \
2321 $DEMUXER_LIST \
2322 $MUXER_LIST \
2323 $FILTER_LIST \
2324 $PROTOCOL_LIST \
2325 $INDEV_LIST \
2326 $OUTDEV_LIST \
2328 echo "#define restrict $_restrict" >> $TMPH
2330 if enabled small; then
2331 echo "#define av_always_inline" >> $TMPH
2334 echo "SRC_PATH=\"$source_path\"" >> config.mak
2335 echo "SRC_PATH_BARE=$source_path" >> config.mak
2336 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2338 # Apparently it's not possible to portably echo a backslash.
2339 enabled asmalign_pot &&
2340 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2341 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2343 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2345 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2347 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2348 cmp -s $TMPH config.h &&
2349 echo "config.h is unchanged" ||
2350 mv -f $TMPH config.h
2352 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
2354 # build tree in object directory if source path is different from current one
2355 if enabled source_path_used; then
2356 DIRS="\
2357 doc \
2358 libavcodec \
2359 libavcodec/alpha \
2360 libavcodec/arm \
2361 libavcodec/bfin \
2362 libavcodec/mlib \
2363 libavcodec/ppc \
2364 libavcodec/sh4 \
2365 libavcodec/sparc \
2366 libavcodec/x86 \
2367 libavdevice \
2368 libavfilter \
2369 libavformat \
2370 libavutil \
2371 libpostproc \
2372 libswscale \
2373 tests \
2374 tools \
2375 vhook \
2377 FILES="\
2378 Makefile \
2379 common.mak \
2380 subdir.mak \
2381 doc/texi2pod.pl \
2382 libavcodec/Makefile \
2383 libavdevice/Makefile \
2384 libavfilter/Makefile \
2385 libavformat/Makefile \
2386 libavutil/Makefile \
2387 libpostproc/Makefile \
2388 libswscale/Makefile \
2390 for dir in $DIRS ; do
2391 mkdir -p $dir
2392 done
2393 for f in $FILES ; do
2394 $ln_s "$source_path/$f" $f
2395 done
2399 # build pkg-config files
2401 pkgconfig_generate(){
2402 name=$1
2403 shortname=${name#lib}${build_suffix}
2404 comment=$2
2405 version=$3
2406 libs=$4
2407 requires=$5
2408 cat <<EOF > $name/$name.pc
2409 prefix=$prefix
2410 exec_prefix=\${prefix}
2411 libdir=$libdir
2412 includedir=$incdir
2414 Name: $name
2415 Description: $comment
2416 Version: $version
2417 Requires: $(disabled shared && echo $requires)
2418 Requires.private: $(enabled shared && echo $requires)
2419 Conflicts:
2420 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2421 Libs.private: $(enabled shared && echo $libs)
2422 Cflags: -I\${includedir}
2424 cat <<EOF > $name/$name-uninstalled.pc
2425 prefix=
2426 exec_prefix=
2427 libdir=\${pcfiledir}
2428 includedir=${source_path}
2430 Name: $name
2431 Description: $comment
2432 Version: $version
2433 Requires: $requires
2434 Conflicts:
2435 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2436 Cflags: -I\${includedir}
2440 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2441 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2442 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2443 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2444 enabled avfilter &&
2445 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2446 enabled postproc &&
2447 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2448 if enabled swscale; then
2449 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
2450 else
2451 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavcodec = $LIBAVCODEC_VERSION"
2452 apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/