configure: simplify vaapi dependencies
[libav.git] / configure
1 #!/bin/sh
2 #
3 # FFmpeg configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
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 "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
43 fi
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."
53 fi
54 exit 1
55 fi
56
57 show_help(){
58 cat <<EOF
59 Usage: configure [options]
60 Options: [defaults in brackets after descriptions]
61
62 Standard options:
63 --help print this message
64 --logfile=FILE log tests and output to FILE [config.err]
65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74 Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-ffplay disable ffplay build
85 --disable-ffprobe disable ffprobe build
86 --disable-ffserver disable ffserver build
87 --disable-avdevice disable libavdevice build
88 --disable-avcodec disable libavcodec build
89 --disable-avformat disable libavformat build
90 --disable-swscale disable libswscale build
91 --enable-postproc enable GPLed postprocessing support [no]
92 --enable-avfilter video filter support [no]
93 --enable-avfilter-lavf video filters dependent on avformat [no]
94 --enable-beosthreads use BeOS threads [no]
95 --enable-os2threads use OS/2 threads [no]
96 --enable-pthreads use pthreads [no]
97 --enable-w32threads use Win32 threads [no]
98 --enable-x11grab enable X11 grabbing [no]
99 --disable-network disable network support [no]
100 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
101 --enable-gray enable full grayscale support (slower color)
102 --disable-swscale-alpha disable alpha channel support in swscale
103 --disable-fastdiv disable table-based division
104 --enable-small optimize for size instead of speed
105 --disable-aandct disable AAN DCT code
106 --disable-dct disable DCT code
107 --disable-fft disable FFT code
108 --disable-golomb disable Golomb code
109 --disable-lpc disable LPC code
110 --disable-mdct disable MDCT code
111 --disable-rdft disable RDFT code
112 --disable-vaapi disable VAAPI code
113 --disable-vdpau disable VDPAU code
114 --disable-dxva2 disable DXVA2 code
115 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
116 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
117 --enable-memalign-hack emulate memalign, interferes with memory debuggers
118 --enable-beos-netserver enable BeOS netserver
119 --disable-everything disable all components listed below
120 --disable-encoder=NAME disable encoder NAME
121 --enable-encoder=NAME enable encoder NAME
122 --disable-encoders disable all encoders
123 --disable-decoder=NAME disable decoder NAME
124 --enable-decoder=NAME enable decoder NAME
125 --disable-decoders disable all decoders
126 --disable-hwaccel=NAME disable hwaccel NAME
127 --enable-hwaccel=NAME enable hwaccel NAME
128 --disable-hwaccels disable all hwaccels
129 --disable-muxer=NAME disable muxer NAME
130 --enable-muxer=NAME enable muxer NAME
131 --disable-muxers disable all muxers
132 --disable-demuxer=NAME disable demuxer NAME
133 --enable-demuxer=NAME enable demuxer NAME
134 --disable-demuxers disable all demuxers
135 --enable-parser=NAME enable parser NAME
136 --disable-parser=NAME disable parser NAME
137 --disable-parsers disable all parsers
138 --enable-bsf=NAME enable bitstream filter NAME
139 --disable-bsf=NAME disable bitstream filter NAME
140 --disable-bsfs disable all bitstream filters
141 --enable-protocol=NAME enable protocol NAME
142 --disable-protocol=NAME disable protocol NAME
143 --disable-protocols disable all protocols
144 --disable-indev=NAME disable input device NAME
145 --disable-outdev=NAME disable output device NAME
146 --disable-indevs disable input devices
147 --disable-outdevs disable output devices
148 --disable-devices disable all devices
149 --enable-filter=NAME enable filter NAME
150 --disable-filter=NAME disable filter NAME
151 --disable-filters disable all filters
152 --list-decoders show all available decoders
153 --list-encoders show all available encoders
154 --list-hwaccels show all available hardware accelerators
155 --list-muxers show all available muxers
156 --list-demuxers show all available demuxers
157 --list-parsers show all available parsers
158 --list-protocols show all available protocols
159 --list-bsfs show all available bitstream filters
160 --list-indevs show all available input devices
161 --list-outdevs show all available output devices
162 --list-filters show all available filters
163
164 External library support:
165 --enable-avisynth enable reading of AVISynth script files [no]
166 --enable-bzlib enable bzlib [autodetect]
167 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
168 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
169 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
170 and libraw1394 [no]
171 --enable-libdirac enable Dirac support via libdirac [no]
172 --enable-libfaac enable FAAC support via libfaac [no]
173 --enable-libfaad enable FAAD support via libfaad [no]
174 --enable-libfaadbin open libfaad.so.0 at runtime [no]
175 --enable-libgsm enable GSM support via libgsm [no]
176 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
177 --enable-libnut enable NUT (de)muxing via libnut,
178 native (de)muxer exists [no]
179 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
180 --enable-librtmp enable RTMP[E] support via librtmp [no]
181 --enable-libschroedinger enable Dirac support via libschroedinger [no]
182 --enable-libspeex enable Speex decoding via libspeex [no]
183 --enable-libtheora enable Theora encoding via libtheora [no]
184 --enable-libvorbis enable Vorbis encoding via libvorbis,
185 native implementation exists [no]
186 --enable-libx264 enable H.264 encoding via x264 [no]
187 --enable-libxvid enable Xvid encoding via xvidcore,
188 native MPEG-4/Xvid encoder exists [no]
189 --enable-mlib enable Sun medialib [no]
190 --enable-zlib enable zlib [autodetect]
191
192 Advanced options (experts only):
193 --source-path=PATH path to source code [$source_path]
194 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
195 --enable-cross-compile assume a cross-compiler is used
196 --sysroot=PATH root of cross-build tree
197 --sysinclude=PATH location of cross-build system headers
198 --target-os=OS compiler targets OS [$target_os]
199 --target-exec=CMD command to run executables on target
200 --target-path=DIR path to view of build directory on target
201 --nm=NM use nm tool
202 --as=AS use assembler AS [$as_default]
203 --cc=CC use C compiler CC [$cc_default]
204 --ld=LD use linker LD
205 --host-cc=HOSTCC use host C compiler HOSTCC
206 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
207 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
208 --host-libs=HLIBS use libs HLIBS when linking for host
209 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
210 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
211 --extra-libs=ELIBS add ELIBS [$ELIBS]
212 --extra-version=STRING version string suffix []
213 --build-suffix=SUFFIX library name suffix []
214 --arch=ARCH select architecture [$arch]
215 --cpu=CPU select the minimum required CPU (affects
216 instruction selection, may crash on older CPUs)
217 --enable-powerpc-perf enable performance report on PPC
218 (requires enabling PMC)
219 --disable-asm disable all assembler optimizations
220 --disable-altivec disable AltiVec optimizations
221 --disable-amd3dnow disable 3DNow! optimizations
222 --disable-amd3dnowext disable 3DNow! extended optimizations
223 --disable-mmx disable MMX optimizations
224 --disable-mmx2 disable MMX2 optimizations
225 --disable-sse disable SSE optimizations
226 --disable-ssse3 disable SSSE3 optimizations
227 --disable-armv5te disable armv5te optimizations
228 --disable-armv6 disable armv6 optimizations
229 --disable-armv6t2 disable armv6t2 optimizations
230 --disable-armvfp disable ARM VFP optimizations
231 --disable-iwmmxt disable iwmmxt optimizations
232 --disable-mmi disable MMI optimizations
233 --disable-neon disable neon optimizations
234 --disable-vis disable VIS optimizations
235 --disable-yasm disable use of yasm assembler
236 --enable-pic build position-independent code
237 --malloc-prefix=PFX prefix malloc and related names with PFX
238 --enable-sram allow use of on-chip SRAM
239
240 Developer options (useful when working on FFmpeg itself):
241 --disable-debug disable debugging symbols
242 --enable-debug=LEVEL set the debug level [$debuglevel]
243 --enable-gprof enable profiling with gprof [$gprof]
244 --disable-optimizations disable compiler optimizations
245 --enable-extra-warnings enable more compiler warnings
246 --disable-stripping disable stripping of executables and shared libraries
247 --samples=PATH location of test samples for FATE
248
249 NOTE: Object files are built at the place where configure is launched.
250 EOF
251 exit 0
252 }
253
254 log(){
255 echo "$@" >> $logfile
256 }
257
258 log_file(){
259 log BEGIN $1
260 pr -n -t $1 >> $logfile
261 log END $1
262 }
263
264 echolog(){
265 log "$@"
266 echo "$@"
267 }
268
269 die(){
270 echolog "$@"
271 cat <<EOF
272
273 If you think configure made a mistake, make sure you are using the latest
274 version from SVN. If the latest version fails, report the problem to the
275 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
276 EOF
277 if disabled logging; then
278 cat <<EOF
279 Rerun configure with logging enabled (do not use --disable-logging), and
280 include the log this produces with your report.
281 EOF
282 else
283 cat <<EOF
284 Include the log file "$logfile" produced by configure as this will help
285 solving the problem.
286 EOF
287 fi
288 exit 1
289 }
290
291 # Avoid locale weirdness, besides we really just want to translate ASCII.
292 toupper(){
293 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
294 }
295
296 tolower(){
297 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
298 }
299
300 c_escape(){
301 echo "$*" | sed 's/["\\]/\\\0/g'
302 }
303
304 sh_quote(){
305 v=$(echo "$1" | sed "s/'/'\\\\''/g")
306 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
307 echo "$v"
308 }
309
310 filter(){
311 pat=$1
312 shift
313 for v; do
314 eval "case $v in $pat) echo $v ;; esac"
315 done
316 }
317
318 map(){
319 m=$1
320 shift
321 for v; do eval $m; done
322 }
323
324 set_all(){
325 value=$1
326 shift
327 for var in $*; do
328 eval $var=$value
329 done
330 }
331
332 set_weak(){
333 value=$1
334 shift
335 for var; do
336 eval : \${$var:=$value}
337 done
338 }
339
340 pushvar(){
341 for var in $*; do
342 eval level=\${${var}_level:=0}
343 eval ${var}_${level}="\$$var"
344 eval ${var}_level=$(($level+1))
345 done
346 }
347
348 popvar(){
349 for var in $*; do
350 eval level=\${${var}_level:-0}
351 test $level = 0 && continue
352 eval level=$(($level-1))
353 eval $var="\${${var}_${level}}"
354 eval ${var}_level=$level
355 eval unset ${var}_${level}
356 done
357 }
358
359 enable(){
360 set_all yes $*
361 }
362
363 disable(){
364 set_all no $*
365 }
366
367 enable_weak(){
368 set_weak yes $*
369 }
370
371 disable_weak(){
372 set_weak no $*
373 }
374
375 enable_safe(){
376 for var; do
377 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
378 done
379 }
380
381 disable_safe(){
382 for var; do
383 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
384 done
385 }
386
387 do_enable_deep(){
388 for var; do
389 enabled $var && continue
390 eval sel="\$${var}_select"
391 eval sgs="\$${var}_suggest"
392 pushvar var sgs
393 enable_deep $sel
394 popvar sgs
395 enable_deep_weak $sgs
396 popvar var
397 done
398 }
399
400 enable_deep(){
401 do_enable_deep $*
402 enable $*
403 }
404
405 enable_deep_weak(){
406 do_enable_deep $*
407 enable_weak $*
408 }
409
410 enabled(){
411 test "${1#!}" = "$1" && op== || op=!=
412 eval test "x\$${1#!}" $op "xyes"
413 }
414
415 disabled(){
416 test "${1#!}" = "$1" && op== || op=!=
417 eval test "x\$${1#!}" $op "xno"
418 }
419
420 enabled_all(){
421 for opt; do
422 enabled $opt || return 1
423 done
424 }
425
426 disabled_all(){
427 for opt; do
428 disabled $opt || return 1
429 done
430 }
431
432 enabled_any(){
433 for opt; do
434 enabled $opt && return 0
435 done
436 }
437
438 disabled_any(){
439 for opt; do
440 disabled $opt && return 0
441 done
442 return 1
443 }
444
445 set_default(){
446 for opt; do
447 eval : \${$opt:=\$${opt}_default}
448 done
449 }
450
451 is_in(){
452 value=$1
453 shift
454 for var in $*; do
455 [ $var = $value ] && return 0
456 done
457 return 1
458 }
459
460 check_deps(){
461 for cfg; do
462 cfg="${cfg#!}"
463 enabled ${cfg}_checking && die "Circular dependency for $cfg."
464 disabled ${cfg}_checking && continue
465 enable ${cfg}_checking
466
467 eval dep_all="\$${cfg}_deps"
468 eval dep_any="\$${cfg}_deps_any"
469 eval dep_sel="\$${cfg}_select"
470 eval dep_sgs="\$${cfg}_suggest"
471 eval dep_ifa="\$${cfg}_if"
472 eval dep_ifn="\$${cfg}_if_any"
473
474 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
475 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
476 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
477
478 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
479 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
480 enabled_all $dep_all || disable $cfg
481 enabled_any $dep_any || disable $cfg
482 disabled_any $dep_sel && disable $cfg
483
484 if enabled $cfg; then
485 eval dep_extralibs="\$${cfg}_extralibs"
486 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
487 enable_deep $dep_sel
488 enable_deep_weak $dep_sgs
489 fi
490
491 disable ${cfg}_checking
492 done
493 }
494
495 print_config(){
496 pfx=$1
497 header=$2
498 makefile=$3
499 shift 3
500 for cfg; do
501 ucname="$(toupper $cfg)"
502 if enabled $cfg; then
503 echo "#define ${pfx}${ucname} 1" >> $header
504 echo "${pfx}${ucname}=yes" >> $makefile
505 else
506 echo "#define ${pfx}${ucname} 0" >> $header
507 echo "!${pfx}${ucname}=yes" >> $makefile
508 fi
509 done
510 }
511
512 flags_saved(){
513 (: ${SAVE_CFLAGS?}) 2> /dev/null
514 }
515
516 save_flags(){
517 flags_saved && return
518 SAVE_CFLAGS="$CFLAGS"
519 SAVE_LDFLAGS="$LDFLAGS"
520 SAVE_extralibs="$extralibs"
521 }
522
523 restore_flags(){
524 flags_saved || return
525 CFLAGS="$SAVE_CFLAGS"
526 LDFLAGS="$SAVE_LDFLAGS"
527 extralibs="$SAVE_extralibs"
528 unset SAVE_CFLAGS
529 unset SAVE_LDFLAGS
530 unset SAVE_extralibs
531 }
532
533 temp_cflags(){
534 save_flags
535 CFLAGS="$CFLAGS $*"
536 }
537
538 temp_ldflags(){
539 save_flags
540 LDFLAGS="$LDFLAGS $*"
541 }
542
543 temp_extralibs(){
544 save_flags
545 extralibs="$extralibs $*"
546 }
547
548 append(){
549 var=$1
550 shift
551 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
552 eval "$var=\"\$$var $*\""
553 }
554
555 add_cppflags(){
556 append CPPFLAGS $($filter_cppflags "$@")
557 }
558
559 add_cflags(){
560 append CFLAGS $($filter_cflags "$@")
561 }
562
563 add_asflags(){
564 append ASFLAGS $($filter_asflags "$@")
565 }
566
567 add_ldflags(){
568 append LDFLAGS "$@"
569 }
570
571 add_extralibs(){
572 append extralibs "$@"
573 }
574
575 check_cmd(){
576 log "$@"
577 "$@" >> $logfile 2>&1
578 }
579
580 check_cc(){
581 log check_cc "$@"
582 cat > $TMPC
583 log_file $TMPC
584 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
585 }
586
587 check_cpp(){
588 log check_cpp "$@"
589 cat > $TMPC
590 log_file $TMPC
591 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
592 }
593
594 check_as(){
595 log check_as "$@"
596 cat > $TMPC
597 log_file $TMPC
598 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
599 }
600
601 check_asm(){
602 log check_asm "$@"
603 name="$1"
604 code="$2"
605 shift 2
606 disable $name
607 check_as "$@" <<EOF && enable $name
608 void foo(void){ __asm__ volatile($code); }
609 EOF
610 }
611
612 check_yasm(){
613 log check_yasm "$@"
614 echo "$1" > $TMPS
615 log_file $TMPS
616 shift 1
617 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
618 }
619
620 check_ld(){
621 log check_ld "$@"
622 flags=''
623 libs=''
624 for f; do
625 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
626 done
627 check_cc $($filter_cflags $flags) || return
628 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
629 }
630
631 check_cppflags(){
632 log check_cppflags "$@"
633 set -- $($filter_cppflags "$@")
634 check_cc "$@" <<EOF && append CPPFLAGS "$@"
635 int x;
636 EOF
637 }
638
639 check_cflags(){
640 log check_cflags "$@"
641 set -- $($filter_cflags "$@")
642 check_cc "$@" <<EOF && append CFLAGS "$@"
643 int x;
644 EOF
645 }
646
647 test_ldflags(){
648 log test_ldflags "$@"
649 check_ld "$@" <<EOF
650 int main(void){ return 0; }
651 EOF
652 }
653
654 check_ldflags(){
655 log check_ldflags "$@"
656 test_ldflags "$@" && add_ldflags "$@"
657 }
658
659 check_header(){
660 log check_header "$@"
661 header=$1
662 shift
663 disable_safe $header
664 check_cpp "$@" <<EOF && enable_safe $header
665 #include <$header>
666 int x;
667 EOF
668 }
669
670 check_func(){
671 log check_func "$@"
672 func=$1
673 shift
674 disable $func
675 check_ld "$@" <<EOF && enable $func
676 extern int $func();
677 int main(void){ $func(); }
678 EOF
679 }
680
681 check_mathfunc(){
682 log check_mathfunc "$@"
683 func=$1
684 shift
685 disable $func
686 check_ld "$@" <<EOF && enable $func
687 #include <math.h>
688 float foo(float f) { return $func(f); }
689 int main(void){ return 0; }
690 EOF
691 }
692
693 check_func_headers(){
694 log check_func_headers "$@"
695 headers=$1
696 func=$2
697 shift 2
698 disable $func
699 incs=""
700 for hdr in $headers; do
701 incs="$incs
702 #include <$hdr>"
703 done
704 check_ld "$@" <<EOF && enable $func && enable_safe $headers
705 $incs
706 int main(int argc, char **argv){
707 return (long) $func;
708 }
709 EOF
710 }
711
712 check_cpp_condition(){
713 log check_cpp_condition "$@"
714 header=$1
715 condition=$2
716 shift 2
717 check_cpp $($filter_cppflags "$@") <<EOF
718 #include <$header>
719 #if !($condition)
720 #error "unsatisfied condition: $condition"
721 #endif
722 EOF
723 }
724
725 check_lib(){
726 log check_lib "$@"
727 header="$1"
728 func="$2"
729 shift 2
730 temp_extralibs "$@"
731 check_header $header && check_func $func && add_extralibs "$@"
732 err=$?
733 restore_flags
734 return $err
735 }
736
737 check_lib2(){
738 log check_lib2 "$@"
739 headers="$1"
740 func="$2"
741 shift 2
742 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
743 }
744
745 check_exec(){
746 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
747 }
748
749 check_exec_crash(){
750 code=$(cat)
751
752 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
753 # are safe but may not be available everywhere. Thus we use
754 # raise(SIGTERM) instead. The check is run in a subshell so we
755 # can redirect the "Terminated" message from the shell. SIGBUS
756 # is not defined by standard C so it is used conditionally.
757
758 (check_exec "$@") >> $logfile 2>&1 <<EOF
759 #include <signal.h>
760 static void sighandler(int sig){
761 raise(SIGTERM);
762 }
763 int main(void){
764 signal(SIGILL, sighandler);
765 signal(SIGFPE, sighandler);
766 signal(SIGSEGV, sighandler);
767 #ifdef SIGBUS
768 signal(SIGBUS, sighandler);
769 #endif
770 { $code }
771 }
772 EOF
773 }
774
775 check_type(){
776 log check_type "$@"
777 headers=$1
778 type=$2
779 shift 2
780 disable_safe "$type"
781 incs=""
782 for hdr in $headers; do
783 incs="$incs
784 #include <$hdr>"
785 done
786 check_cc "$@" <<EOF && enable_safe "$type"
787 $incs
788 $type v;
789 EOF
790 }
791
792 check_struct(){
793 log check_type "$@"
794 headers=$1
795 struct=$2
796 member=$3
797 shift 3
798 disable_safe "${struct}_${member}"
799 incs=""
800 for hdr in $headers; do
801 incs="$incs
802 #include <$hdr>"
803 done
804 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
805 $incs
806 const void *p = &(($struct *)0)->$member;
807 EOF
808 }
809
810 require(){
811 name="$1"
812 header="$2"
813 func="$3"
814 shift 3
815 check_lib $header $func "$@" || die "ERROR: $name not found"
816 }
817
818 require2(){
819 name="$1"
820 headers="$2"
821 func="$3"
822 shift 3
823 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
824 }
825
826 check_foo_config(){
827 cfg=$1
828 pkg=$2
829 header=$3
830 func=$4
831 shift 4
832 disable $cfg
833 check_cmd ${pkg}-config --version
834 err=$?
835 if test "$err" = 0; then
836 temp_cflags $(${pkg}-config --cflags)
837 temp_extralibs $(${pkg}-config --libs)
838 check_lib "$@" $header $func && enable $cfg
839 fi
840 return $err
841 }
842
843 check_host_cc(){
844 log check_host_cc "$@"
845 cat > $TMPC
846 log_file $TMPC
847 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
848 }
849
850 check_host_cflags(){
851 log check_host_cflags "$@"
852 check_host_cc "$@" <<EOF && append host_cflags "$@"
853 int x;
854 EOF
855 }
856
857 apply(){
858 file=$1
859 shift
860 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
861 }
862
863 cp_if_changed(){
864 cmp -s "$1" "$2" &&
865 echo "$2 is unchanged" ||
866 cp -f "$1" "$2"
867 }
868
869 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
870 # system-dependent things.
871
872 COMPONENT_LIST="
873 bsfs
874 decoders
875 demuxers
876 encoders
877 filters
878 hwaccels
879 indevs
880 muxers
881 outdevs
882 parsers
883 protocols
884 "
885
886 CONFIG_LIST="
887 $COMPONENT_LIST
888 aandct
889 avcodec
890 avdevice
891 avfilter
892 avfilter_lavf
893 avformat
894 avisynth
895 beos_netserver
896 bzlib
897 dct
898 doc
899 dwt
900 dxva2
901 fastdiv
902 ffmpeg
903 ffplay
904 ffprobe
905 ffserver
906 fft
907 golomb
908 gpl
909 gprof
910 gray
911 h264dsp
912 hardcoded_tables
913 libdc1394
914 libdirac
915 libfaac
916 libfaad
917 libfaadbin
918 libgsm
919 libmp3lame
920 libnut
921 libopencore_amrnb
922 libopencore_amrwb
923 libopenjpeg
924 librtmp
925 libschroedinger
926 libspeex
927 libtheora
928 libvorbis
929 libx264
930 libxvid
931 lpc
932 lsp
933 mdct
934 memalign_hack
935 mlib
936 mpegaudio_hp
937 network
938 nonfree
939 pic
940 postproc
941 powerpc_perf
942 rdft
943 runtime_cpudetect
944 shared
945 small
946 sram
947 static
948 swscale
949 swscale_alpha
950 vaapi
951 vdpau
952 version3
953 x11grab
954 zlib
955 "
956
957 THREADS_LIST='
958 beosthreads
959 os2threads
960 pthreads
961 w32threads
962 '
963
964 ARCH_LIST='
965 alpha
966 arm
967 avr32
968 avr32_ap
969 avr32_uc
970 bfin
971 ia64
972 m68k
973 mips
974 mips64
975 parisc
976 ppc
977 ppc64
978 s390
979 sh4
980 sparc
981 sparc64
982 tomi
983 x86
984 x86_32
985 x86_64
986 '
987
988 ARCH_EXT_LIST='
989 altivec
990 amd3dnow
991 amd3dnowext
992 armv5te
993 armv6
994 armv6t2
995 armvfp
996 iwmmxt
997 mmi
998 mmx
999 mmx2
1000 neon
1001 ppc4xx
1002 sse
1003 ssse3
1004 vis
1005 '
1006
1007 HAVE_LIST_PUB='
1008 bigendian
1009 '
1010
1011 HAVE_LIST="
1012 $ARCH_EXT_LIST
1013 $HAVE_LIST_PUB
1014 $THREADS_LIST
1015 alsa_asoundlib_h
1016 altivec_h
1017 arpa_inet_h
1018 attribute_may_alias
1019 attribute_packed
1020 bswap
1021 closesocket
1022 cmov
1023 conio_h
1024 dcbzl
1025 dev_bktr_ioctl_bt848_h
1026 dev_bktr_ioctl_meteor_h
1027 dev_ic_bt8xx_h
1028 dev_video_meteor_ioctl_meteor_h
1029 dev_video_bktr_ioctl_bt848_h
1030 dlfcn_h
1031 dlopen
1032 dos_paths
1033 ebp_available
1034 ebx_available
1035 exp2
1036 exp2f
1037 fast_64bit
1038 fast_clz
1039 fast_cmov
1040 fast_unaligned
1041 fork
1042 getaddrinfo
1043 gethrtime
1044 GetProcessMemoryInfo
1045 GetProcessTimes
1046 getrusage
1047 struct_rusage_ru_maxrss
1048 inet_aton
1049 inline_asm
1050 isatty
1051 ldbrx
1052 libdc1394_1
1053 libdc1394_2
1054 llrint
1055 local_aligned_16
1056 local_aligned_8
1057 log2
1058 log2f
1059 loongson
1060 lrint
1061 lrintf
1062 lzo1x_999_compress
1063 machine_ioctl_bt848_h
1064 machine_ioctl_meteor_h
1065 malloc_h
1066 memalign
1067 mkstemp
1068 pld
1069 posix_memalign
1070 round
1071 roundf
1072 sdl
1073 sdl_video_size
1074 setmode
1075 socklen_t
1076 soundcard_h
1077 poll_h
1078 setrlimit
1079 strerror_r
1080 struct_addrinfo
1081 struct_ipv6_mreq
1082 struct_sockaddr_in6
1083 struct_sockaddr_sa_len
1084 struct_sockaddr_storage
1085 sys_mman_h
1086 sys_resource_h
1087 sys_select_h
1088 sys_soundcard_h
1089 sys_videoio_h
1090 ten_operands
1091 termios_h
1092 threads
1093 truncf
1094 vfp_args
1095 VirtualAlloc
1096 winsock2_h
1097 xform_asm
1098 yasm
1099 "
1100
1101 # options emitted with CONFIG_ prefix but not available on command line
1102 CONFIG_EXTRA="
1103 avutil
1104 gplv3
1105 lgplv3
1106 "
1107
1108 CMDLINE_SELECT="
1109 $ARCH_EXT_LIST
1110 $CONFIG_LIST
1111 $THREADS_LIST
1112 asm
1113 cross_compile
1114 debug
1115 extra_warnings
1116 logging
1117 optimizations
1118 stripping
1119 yasm
1120 "
1121
1122 PATHS_LIST='
1123 bindir
1124 datadir
1125 incdir
1126 libdir
1127 mandir
1128 prefix
1129 shlibdir
1130 '
1131
1132 CMDLINE_SET="
1133 $PATHS_LIST
1134 arch
1135 as
1136 build_suffix
1137 cc
1138 cpu
1139 cross_prefix
1140 dep_cc
1141 extra_version
1142 host_cc
1143 host_cflags
1144 host_ldflags
1145 host_libs
1146 host_os
1147 ld
1148 logfile
1149 malloc_prefix
1150 nm
1151 samples
1152 source_path
1153 strip
1154 sysinclude
1155 sysroot
1156 target_exec
1157 target_os
1158 target_path
1159 "
1160
1161 CMDLINE_APPEND="
1162 extra_cflags
1163 "
1164
1165 # code dependency declarations
1166
1167 # architecture extensions
1168
1169 armv5te_deps="arm"
1170 armv6_deps="arm"
1171 armv6t2_deps="arm"
1172 armvfp_deps="arm"
1173 iwmmxt_deps="arm"
1174 neon_deps="arm"
1175
1176 mmi_deps="mips"
1177
1178 altivec_deps="ppc"
1179 ppc4xx_deps="ppc"
1180
1181 vis_deps="sparc"
1182
1183 x86_64_suggest="cmov fast_cmov"
1184 amd3dnow_deps="mmx"
1185 amd3dnowext_deps="amd3dnow"
1186 mmx_deps="x86"
1187 mmx2_deps="mmx"
1188 sse_deps="mmx"
1189 ssse3_deps="sse"
1190
1191 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1192 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1193 fast_unaligned_if_any="armv6 ppc x86"
1194
1195 need_memalign="altivec neon sse"
1196 inline_asm_deps="!tms470"
1197
1198 # subsystems
1199 mdct_select="fft"
1200 rdft_select="fft"
1201
1202 # decoders / encoders / hardware accelerators
1203 aac_decoder_select="mdct rdft aac_parser"
1204 aac_encoder_select="mdct"
1205 ac3_decoder_select="mdct ac3_parser"
1206 alac_encoder_select="lpc"
1207 amrnb_decoder_select="lsp"
1208 atrac1_decoder_select="mdct"
1209 atrac3_decoder_select="mdct"
1210 binkaudio_dct_decoder_select="mdct rdft dct"
1211 binkaudio_rdft_decoder_select="mdct rdft"
1212 cavs_decoder_select="golomb"
1213 cook_decoder_select="mdct"
1214 cscd_decoder_suggest="zlib"
1215 dca_decoder_select="mdct"
1216 dnxhd_encoder_select="aandct"
1217 dxa_decoder_select="zlib"
1218 eac3_decoder_select="ac3_decoder"
1219 eamad_decoder_select="aandct"
1220 eatgq_decoder_select="aandct"
1221 eatqi_decoder_select="aandct"
1222 ffv1_decoder_select="golomb"
1223 flac_decoder_select="golomb"
1224 flac_encoder_select="golomb lpc"
1225 flashsv_decoder_select="zlib"
1226 flashsv_encoder_select="zlib"
1227 flv_decoder_select="h263_decoder"
1228 flv_encoder_select="h263_encoder"
1229 h261_encoder_select="aandct"
1230 h263_decoder_select="h263_parser"
1231 h263_encoder_select="aandct"
1232 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1233 h263i_decoder_select="h263_decoder"
1234 h263p_encoder_select="h263_encoder"
1235 h264_decoder_select="golomb h264dsp"
1236 h264_dxva2_hwaccel_deps="dxva2api_h"
1237 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1238 h264_vaapi_hwaccel_select="vaapi"
1239 h264_vdpau_decoder_select="vdpau h264_decoder"
1240 imc_decoder_select="fft mdct"
1241 jpegls_decoder_select="golomb"
1242 jpegls_encoder_select="golomb"
1243 ljpeg_encoder_select="aandct"
1244 loco_decoder_select="golomb"
1245 mjpeg_encoder_select="aandct"
1246 mlp_decoder_select="mlp_parser"
1247 mpeg1video_encoder_select="aandct"
1248 mpeg2video_encoder_select="aandct"
1249 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1250 mpeg4_encoder_select="h263_encoder"
1251 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1252 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1253 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1254 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1255 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1256 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1257 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1258 msmpeg4v1_decoder_select="h263_decoder"
1259 msmpeg4v1_encoder_select="h263_encoder"
1260 msmpeg4v2_decoder_select="h263_decoder"
1261 msmpeg4v2_encoder_select="h263_encoder"
1262 msmpeg4v3_decoder_select="h263_decoder"
1263 msmpeg4v3_encoder_select="h263_encoder"
1264 nellymoser_decoder_select="mdct"
1265 nellymoser_encoder_select="mdct"
1266 png_decoder_select="zlib"
1267 png_encoder_select="zlib"
1268 qcelp_decoder_select="lsp"
1269 qdm2_decoder_select="mdct rdft"
1270 rv10_decoder_select="h263_decoder"
1271 rv10_encoder_select="h263_encoder"
1272 rv20_decoder_select="h263_decoder"
1273 rv20_encoder_select="h263_encoder"
1274 rv30_decoder_select="golomb h264dsp"
1275 rv40_decoder_select="golomb h264dsp"
1276 shorten_decoder_select="golomb"
1277 sipr_decoder_select="lsp"
1278 snow_decoder_select="dwt"
1279 snow_encoder_select="aandct dwt"
1280 sonic_decoder_select="golomb"
1281 sonic_encoder_select="golomb"
1282 sonic_ls_encoder_select="golomb"
1283 svq1_encoder_select="aandct"
1284 svq3_decoder_select="golomb h264dsp"
1285 svq3_decoder_suggest="zlib"
1286 theora_decoder_select="vp3_decoder"
1287 tiff_decoder_suggest="zlib"
1288 tiff_encoder_suggest="zlib"
1289 truehd_decoder_select="mlp_decoder"
1290 tscc_decoder_select="zlib"
1291 twinvq_decoder_select="mdct lsp"
1292 vc1_decoder_select="h263_decoder"
1293 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1294 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1295 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1296 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1297 vorbis_decoder_select="mdct"
1298 vorbis_encoder_select="mdct"
1299 vp6a_decoder_select="vp6_decoder"
1300 vp6f_decoder_select="vp6_decoder"
1301 wmapro_decoder_select="mdct"
1302 wmav1_decoder_select="mdct"
1303 wmav1_encoder_select="mdct"
1304 wmav2_decoder_select="mdct"
1305 wmav2_encoder_select="mdct"
1306 wmavoice_decoder_select="lsp"
1307 wmv1_decoder_select="h263_decoder"
1308 wmv1_encoder_select="h263_encoder"
1309 wmv2_decoder_select="h263_decoder"
1310 wmv2_encoder_select="h263_encoder"
1311 wmv3_decoder_select="vc1_decoder"
1312 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1313 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1314 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1315 zlib_decoder_select="zlib"
1316 zlib_encoder_select="zlib"
1317 zmbv_decoder_select="zlib"
1318 zmbv_encoder_select="zlib"
1319
1320 vaapi_deps="va_va_h"
1321 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1322
1323 # parsers
1324 h264_parser_select="golomb h264dsp"
1325
1326 # bitstream_filters
1327 aac_adtstoasc_bsf_select="aac_parser"
1328
1329 # external libraries
1330 libdirac_decoder_deps="libdirac !libschroedinger"
1331 libdirac_encoder_deps="libdirac"
1332 libfaac_encoder_deps="libfaac"
1333 libfaad_decoder_deps="libfaad"
1334 libfaadbin_decoder_extralibs='$ldl'
1335 libgsm_decoder_deps="libgsm"
1336 libgsm_encoder_deps="libgsm"
1337 libgsm_ms_decoder_deps="libgsm"
1338 libgsm_ms_encoder_deps="libgsm"
1339 libmp3lame_encoder_deps="libmp3lame"
1340 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1341 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1342 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1343 libopenjpeg_decoder_deps="libopenjpeg"
1344 libschroedinger_decoder_deps="libschroedinger"
1345 libschroedinger_encoder_deps="libschroedinger"
1346 libspeex_decoder_deps="libspeex"
1347 libtheora_encoder_deps="libtheora"
1348 libvorbis_encoder_deps="libvorbis"
1349 libx264_encoder_deps="libx264"
1350 libxvid_encoder_deps="libxvid"
1351
1352 # demuxers / muxers
1353 ac3_demuxer_deps="ac3_parser"
1354 asf_stream_muxer_select="asf_muxer"
1355 avisynth_demuxer_deps="avisynth"
1356 dirac_demuxer_deps="dirac_parser"
1357 eac3_demuxer_select="ac3_parser"
1358 ipod_muxer_select="mov_muxer"
1359 libnut_demuxer_deps="libnut"
1360 libnut_muxer_deps="libnut"
1361 matroska_audio_muxer_select="matroska_muxer"
1362 matroska_demuxer_suggest="zlib bzlib"
1363 mov_demuxer_suggest="zlib"
1364 mp3_demuxer_deps="mpegaudio_parser"
1365 mp4_muxer_select="mov_muxer"
1366 mpegtsraw_demuxer_select="mpegts_demuxer"
1367 mxf_d10_muxer_select="mxf_muxer"
1368 ogg_demuxer_select="golomb"
1369 psp_muxer_select="mov_muxer"
1370 rtsp_demuxer_deps="sdp_demuxer"
1371 rtsp_muxer_deps="sdp_demuxer"
1372 rtsp_muxer_select="rtp_muxer"
1373 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1374 sdp_demuxer_select="asf_demuxer rm_demuxer"
1375 spdif_muxer_select="aac_parser"
1376 tg2_muxer_select="mov_muxer"
1377 tgp_muxer_select="mov_muxer"
1378 w64_demuxer_deps="wav_demuxer"
1379
1380 # indevs / outdevs
1381 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1382 alsa_indev_extralibs="-lasound"
1383 alsa_outdev_deps="alsa_asoundlib_h"
1384 alsa_outdev_extralibs="-lasound"
1385 audio_beos_indev_deps="audio_beos"
1386 audio_beos_indev_extralibs="-lmedia -lbe"
1387 audio_beos_outdev_deps="audio_beos"
1388 audio_beos_outdev_extralibs="-lmedia -lbe"
1389 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1390 dv1394_indev_deps="dv1394 dv_demuxer"
1391 jack_indev_deps="jack_jack_h"
1392 jack_indev_extralibs="-ljack"
1393 libdc1394_indev_deps="libdc1394"
1394 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1395 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1396 v4l_indev_deps="linux_videodev_h"
1397 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1398 vfwcap_indev_deps="capCreateCaptureWindow"
1399 vfwcap_indev_extralibs="-lavicap32"
1400 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1401 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1402
1403 # protocols
1404 gopher_protocol_deps="network"
1405 http_protocol_deps="network"
1406 http_protocol_select="tcp_protocol"
1407 rtmp_protocol_deps="tcp_protocol"
1408 rtp_protocol_deps="udp_protocol"
1409 tcp_protocol_deps="network"
1410 udp_protocol_deps="network"
1411
1412 # filters
1413 movie_filter_deps="avfilter_lavf"
1414 avfilter_lavf_deps="avformat"
1415
1416 # libraries
1417 avdevice_deps="avcodec avformat"
1418 avformat_deps="avcodec"
1419
1420 # programs
1421 ffmpeg_deps="avcodec avformat swscale"
1422 ffplay_deps="avcodec avformat swscale sdl"
1423 ffplay_select="rdft"
1424 ffprobe_deps="avcodec avformat"
1425 ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1426 ffserver_extralibs='$ldl'
1427
1428 doc_deps="texi2html"
1429
1430 # default parameters
1431
1432 logfile="config.err"
1433
1434 # installation paths
1435 prefix_default="/usr/local"
1436 bindir_default='${prefix}/bin'
1437 datadir_default='${prefix}/share/ffmpeg'
1438 incdir_default='${prefix}/include'
1439 libdir_default='${prefix}/lib'
1440 mandir_default='${prefix}/share/man'
1441 shlibdir_default="$libdir_default"
1442
1443 # toolchain
1444 ar="ar"
1445 cc_default="gcc"
1446 cc_version=\"unknown\"
1447 host_cc_default="gcc"
1448 ln_s="ln -sf"
1449 nm_default="nm"
1450 objformat="elf"
1451 ranlib="ranlib"
1452 strip_default="strip"
1453 yasmexe="yasm"
1454
1455 nm_opts='-g'
1456
1457 # machine
1458 arch_default=$(uname -m)
1459 cpu="generic"
1460
1461 # OS
1462 target_os_default=$(tolower $(uname -s))
1463 host_os=$target_os_default
1464
1465 # configurable options
1466 enable avcodec
1467 enable avdevice
1468 enable avformat
1469 enable avutil
1470 enable asm
1471 enable debug
1472 enable doc
1473 enable fastdiv
1474 enable ffmpeg
1475 enable ffplay
1476 enable ffprobe
1477 enable ffserver
1478 enable mpegaudio_hp
1479 enable network
1480 enable optimizations
1481 enable protocols
1482 enable static
1483 enable stripping
1484 enable swscale
1485 enable swscale_alpha
1486
1487 # build settings
1488 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1489 FFSERVERLDFLAGS=-Wl,-E
1490 LIBPREF="lib"
1491 LIBSUF=".a"
1492 FULLNAME='$(NAME)$(BUILDSUF)'
1493 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1494 SLIBPREF="lib"
1495 SLIBSUF=".so"
1496 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1497 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1498 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1499 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1500
1501 CC_O='-o $@'
1502
1503 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1504 host_libs='-lm'
1505
1506 target_path='$(CURDIR)'
1507
1508 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1509 # full relative path for objects in subdirectories for non-recursive Make.
1510 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1511 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1512
1513 # find source path
1514 source_path="$(dirname "$0")"
1515 enable source_path_used
1516 if test -f configure; then
1517 source_path="$(pwd)"
1518 disable source_path_used
1519 else
1520 source_path="$(cd "$source_path"; pwd)"
1521 echo "$source_path" | grep -q '[[:blank:]]' &&
1522 die "Out of tree builds are impossible with whitespace in source path."
1523 test -e "$source_path/config.h" &&
1524 die "Out of tree builds are impossible with config.h in source dir."
1525 fi
1526
1527 for v in "$@"; do
1528 r=${v#*=}
1529 l=${v%"$r"}
1530 r=$(sh_quote "$r")
1531 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1532 done
1533
1534 find_things(){
1535 thing=$1
1536 pattern=$2
1537 file=$source_path/$3
1538 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1539 }
1540
1541 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1542 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1543 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1544 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1545 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1546 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1547 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1548 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1549 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1550 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1551 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1552
1553 enable $ARCH_EXT_LIST \
1554 $DECODER_LIST \
1555 $ENCODER_LIST \
1556 $HWACCEL_LIST \
1557 $PARSER_LIST \
1558 $BSF_LIST \
1559 $DEMUXER_LIST \
1560 $MUXER_LIST \
1561 $FILTER_LIST \
1562 $PROTOCOL_LIST \
1563 $INDEV_LIST \
1564 $OUTDEV_LIST \
1565
1566 die_unknown(){
1567 echo "Unknown option \"$1\"."
1568 echo "See $0 --help for available options."
1569 exit 1
1570 }
1571
1572 show_list() {
1573 suffix=_$1
1574 shift
1575 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1576 exit 0
1577 }
1578
1579 for opt do
1580 optval="${opt#*=}"
1581 case "$opt" in
1582 --extra-ldflags=*) add_ldflags $optval
1583 ;;
1584 --extra-libs=*) add_extralibs $optval
1585 ;;
1586 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1587 ;;
1588 --enable-debug=*) debuglevel="$optval"
1589 ;;
1590 --disable-everything)
1591 map 'eval disable \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1592 ;;
1593 --enable-*=*|--disable-*=*)
1594 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1595 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1596 eval list=\$$(toupper $thing)_LIST
1597 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1598 $action $(filter "$name" $list)
1599 ;;
1600 --enable-?*|--disable-?*)
1601 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1602 if is_in $option $COMPONENT_LIST; then
1603 test $action = disable && action=unset
1604 eval $action \$$(toupper ${option%s})_LIST
1605 elif is_in $option $CMDLINE_SELECT; then
1606 $action $option
1607 else
1608 die_unknown $opt
1609 fi
1610 ;;
1611 --list-*)
1612 NAME="${opt#--list-}"
1613 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1614 NAME=${NAME%s}
1615 eval show_list $NAME \$$(toupper $NAME)_LIST
1616 ;;
1617 --help|-h) show_help
1618 ;;
1619 *)
1620 optname="${opt%%=*}"
1621 optname="${optname#--}"
1622 optname=$(echo "$optname" | sed 's/-/_/g')
1623 if is_in $optname $CMDLINE_SET; then
1624 eval $optname='$optval'
1625 elif is_in $optname $CMDLINE_APPEND; then
1626 append $optname "$optval"
1627 else
1628 die_unknown $opt
1629 fi
1630 ;;
1631 esac
1632 done
1633
1634 disabled logging && logfile=/dev/null
1635
1636 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1637 set >> $logfile
1638
1639 test -n "$cross_prefix" && enable cross_compile
1640
1641 if enabled cross_compile; then
1642 test -n "$arch" && test -n "$target_os" ||
1643 die "Must specify target arch and OS when cross-compiling"
1644 fi
1645
1646 set_default arch target_os
1647
1648 ar="${cross_prefix}${ar}"
1649 cc_default="${cross_prefix}${cc_default}"
1650 nm_default="${cross_prefix}${nm_default}"
1651 ranlib="${cross_prefix}${ranlib}"
1652 strip_default="${cross_prefix}${strip_default}"
1653
1654 sysinclude_default="${sysroot}/usr/include"
1655
1656 set_default cc nm strip sysinclude
1657 enabled cross_compile || host_cc_default=$cc
1658 set_default host_cc
1659
1660 exesuf() {
1661 case $1 in
1662 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1663 esac
1664 }
1665
1666 EXESUF=$(exesuf $target_os)
1667 HOSTEXESUF=$(exesuf $host_os)
1668
1669 # set temporary file name
1670 : ${TMPDIR:=$TEMPDIR}
1671 : ${TMPDIR:=$TMP}
1672 : ${TMPDIR:=/tmp}
1673
1674 if ! check_cmd type mktemp; then
1675 # simple replacement for missing mktemp
1676 # NOT SAFE FOR GENERAL USE
1677 mktemp(){
1678 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1679 }
1680 fi
1681
1682 tmpfile(){
1683 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1684 (set -C; exec > $tmp) 2>/dev/null ||
1685 die "Unable to create temporary file in $TMPDIR."
1686 append TMPFILES $tmp
1687 eval $1=$tmp
1688 }
1689
1690 trap 'rm -f -- $TMPFILES' EXIT
1691 trap exit HUP INT TERM
1692
1693 tmpfile TMPC .c
1694 tmpfile TMPE $EXESUF
1695 tmpfile TMPH .h
1696 tmpfile TMPO .o
1697 tmpfile TMPS .S
1698 tmpfile TMPV .ver
1699 tmpfile TMPSH .sh
1700
1701 unset -f mktemp
1702
1703 # make sure we can execute files in $TMPDIR
1704 cat > $TMPSH 2>> $logfile <<EOF
1705 #! /bin/sh
1706 EOF
1707 chmod +x $TMPSH >> $logfile 2>&1
1708 if ! $TMPSH >> $logfile 2>&1; then
1709 cat <<EOF
1710 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1711 variable to another directory and make sure that it is not mounted noexec.
1712 EOF
1713 die "Sanity test failed."
1714 fi
1715
1716 filter_cflags=echo
1717 filter_cppflags=echo
1718 filter_asflags=echo
1719
1720 if $cc -v 2>&1 | grep -qi ^gcc; then
1721 cc_type=gcc
1722 cc_version=__VERSION__
1723 if ! $cc -dumpversion | grep -q '^2\.'; then
1724 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1725 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1726 fi
1727 speed_cflags='-O3'
1728 size_cflags='-Os'
1729 elif $cc --version 2>/dev/null | grep -q Intel; then
1730 cc_type=icc
1731 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1732 CC_DEPFLAGS='-MMD'
1733 AS_DEPFLAGS='-MMD'
1734 speed_cflags='-O3'
1735 size_cflags='-Os'
1736 elif $cc -v 2>&1 | grep -q xlc; then
1737 cc_type=xlc
1738 cc_version="AV_STRINGIFY(__IBMC__)"
1739 speed_cflags='-O5'
1740 size_cflags='-O5 -qcompact'
1741 elif $cc -V 2>/dev/null | grep -q Compaq; then
1742 cc_type=ccc
1743 cc_version="AV_STRINGIFY(__DECC_VER)"
1744 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1745 debuglevel=3
1746 add_ldflags -Wl,-z,now # calls to libots crash without this
1747 speed_cflags='-fast'
1748 size_cflags='-O1'
1749 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1750 test -d "$sysroot" || die "No valid sysroot specified."
1751 cc_type=armcc
1752 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1753 armcc_conf="$PWD/armcc.conf"
1754 $cc --arm_linux_configure \
1755 --arm_linux_config_file="$armcc_conf" \
1756 --configure_sysroot="$sysroot" \
1757 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1758 die "Error creating armcc configuration file."
1759 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1760 as_default="${cross_prefix}gcc"
1761 CC_DEPFLAGS='-MMD'
1762 AS_DEPFLAGS='-MMD'
1763 speed_cflags='-O3'
1764 size_cflags='-Os'
1765 elif $cc -version 2>/dev/null | grep -q TMS470; then
1766 cc_type=tms470
1767 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1768 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1769 CC_O='-fr=$(@D)'
1770 as_default="${cross_prefix}gcc"
1771 ld_default="${cross_prefix}gcc"
1772 TMPO=$(basename $TMPC .c).o
1773 append TMPFILES $TMPO
1774 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1775 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1776 AS_DEPFLAGS='-MMD'
1777 speed_cflags='-O3 -mf=5'
1778 size_cflags='-O3 -mf=2'
1779 filter_cflags=tms470_flags
1780 tms470_flags(){
1781 for flag; do
1782 case $flag in
1783 -march=*|-mcpu=*)
1784 case "${flag#*=}" in
1785 armv7-a|cortex-a*) echo -mv=7a8 ;;
1786 armv7-r|cortex-r*) echo -mv=7r4 ;;
1787 armv7-m|cortex-m*) echo -mv=7m3 ;;
1788 armv6*|arm11*) echo -mv=6 ;;
1789 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1790 echo -mv=5e ;;
1791 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1792 esac
1793 ;;
1794 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1795 -mfpu=vfp) echo --float_support=vfpv2 ;;
1796 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1797 -msoft-float) echo --float_support=vfplib ;;
1798 -O[0-3]|-mf=*) echo $flag ;;
1799 -g) echo -g -mn ;;
1800 -pds=*) echo $flag ;;
1801 esac
1802 done
1803 }
1804 elif $cc -v 2>&1 | grep -q clang; then
1805 cc_type=clang
1806 cc_version=__VERSION__
1807 CC_DEPFLAGS='-MMD'
1808 AS_DEPFLAGS='-MMD'
1809 speed_cflags='-O3'
1810 size_cflags='-Os'
1811 elif $cc -V 2>&1 | grep -q Sun; then
1812 cc_type=suncc
1813 cc_version="AV_STRINGIFY(__SUNPRO_C)"
1814 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1815 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1816 speed_cflags='-O5'
1817 size_cflags='-O5 -xspace'
1818 filter_cflags=suncc_flags
1819 suncc_flags(){
1820 for flag; do
1821 case $flag in
1822 -march=*|-mcpu=*)
1823 case "${flag#*=}" in
1824 native) echo -xtarget=native ;;
1825 v9) echo -xarch=sparc ;;
1826 ultrasparc) echo -xarch=sparcvis ;;
1827 ultrasparc3|niagara*) echo -xarch=sparcvis2 ;;
1828 i586|pentium) echo -xchip=pentium ;;
1829 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1830 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1831 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1832 pentium4*) echo -xtarget=pentium4 ;;
1833 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1834 *-sse3) echo -xarch=sse3 ;;
1835 core2) echo -xarch=ssse3 -xchip=core2 ;;
1836 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1837 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1838 k8|opteron|athlon64|athlon-fx)
1839 echo -xarch=sse2a ;;
1840 athlon*) echo -xarch=pentium_proa ;;
1841 esac
1842 ;;
1843 -std=c99) echo -xc99 ;;
1844 -fomit-frame-pointer) echo -xregs=frameptr ;;
1845 -fPIC) echo -KPIC -xcode=pic32 ;;
1846 -W*,*) echo $flag ;;
1847 -f*-*|-W*) ;;
1848 *) echo $flag ;;
1849 esac
1850 done
1851 }
1852 fi
1853
1854 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1855
1856 : ${as_default:=$cc}
1857 : ${dep_cc_default:=$cc}
1858 : ${ld_default:=$cc}
1859 set_default as dep_cc ld
1860
1861 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1862 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1863
1864 add_cflags $extra_cflags
1865 add_asflags $extra_cflags
1866
1867 if test -n "$sysroot"; then
1868 case "$cc_type" in
1869 gcc)
1870 add_cppflags --sysroot="$sysroot"
1871 add_ldflags --sysroot="$sysroot"
1872 ;;
1873 tms470)
1874 add_cppflags -I"$sysinclude"
1875 add_ldflags --sysroot="$sysroot"
1876 ;;
1877 clang)
1878 add_cppflags -isysroot "$sysroot"
1879 add_ldflags -isysroot "$sysroot"
1880 ;;
1881 esac
1882 fi
1883
1884 if test "$cpu" = host; then
1885 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1886
1887 case "$cc_type" in
1888 gcc)
1889 check_native(){
1890 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1891 sed -n "/$1=/{
1892 s/.*$1=\\([^ ]*\\).*/\\1/
1893 p
1894 q
1895 }" $TMPE
1896 }
1897 cpu=$(check_native -march || check_native -mcpu)
1898 ;;
1899 esac
1900
1901 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1902 fi
1903
1904 # Deal with common $arch aliases
1905 case "$arch" in
1906 arm*)
1907 arch="arm"
1908 ;;
1909 mips|mipsel|IP*)
1910 arch="mips"
1911 ;;
1912 mips64*)
1913 arch="mips"
1914 subarch="mips64"
1915 ;;
1916 parisc|hppa)
1917 arch="parisc"
1918 ;;
1919 parisc64|hppa64)
1920 arch="parisc"
1921 subarch="parisc64"
1922 ;;
1923 "Power Macintosh"|ppc|powerpc)
1924 arch="ppc"
1925 ;;
1926 ppc64|powerpc64)
1927 arch="ppc"
1928 subarch="ppc64"
1929 ;;
1930 s390|s390x)
1931 arch="s390"
1932 ;;
1933 sh4|sh)
1934 arch="sh4"
1935 ;;
1936 sun4u|sparc64)
1937 arch="sparc"
1938 subarch="sparc64"
1939 ;;
1940 i[3-6]86|i86pc|BePC|x86_64|amd64)
1941 arch="x86"
1942 ;;
1943 esac
1944
1945 is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
1946 enable $arch
1947
1948 # Add processor-specific flags
1949 if test "$cpu" = generic; then
1950 : do nothing
1951 elif enabled ppc; then
1952
1953 case $(tolower $cpu) in
1954 601|ppc601|powerpc601)
1955 cpuflags="-mcpu=601"
1956 disable altivec
1957 ;;
1958 603*|ppc603*|powerpc603*)
1959 cpuflags="-mcpu=603"
1960 disable altivec
1961 ;;
1962 604*|ppc604*|powerpc604*)
1963 cpuflags="-mcpu=604"
1964 disable altivec
1965 ;;
1966 g3|75*|ppc75*|powerpc75*)
1967 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1968 disable altivec
1969 ;;
1970 g4|745*|ppc745*|powerpc745*)
1971 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1972 ;;
1973 74*|ppc74*|powerpc74*)
1974 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1975 ;;
1976 g5|970|ppc970|powerpc970|power4*)
1977 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1978 ;;
1979 cell)
1980 cpuflags="-mcpu=cell"
1981 enable ldbrx
1982 ;;
1983 e500v2)
1984 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1985 disable altivec
1986 ;;
1987 e500)
1988 cpuflags="-mcpu=8540 -mhard-float"
1989 disable altivec
1990 ;;
1991 esac
1992
1993 elif enabled x86; then
1994
1995 case $cpu in
1996 i[345]86|pentium)
1997 cpuflags="-march=$cpu"
1998 disable mmx
1999 ;;
2000 # targets that do NOT support conditional mov (cmov)
2001 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2002 cpuflags="-march=$cpu"
2003 disable cmov
2004 ;;
2005 # targets that do support conditional mov (cmov)
2006 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
2007 cpuflags="-march=$cpu"
2008 enable cmov
2009 enable fast_cmov
2010 ;;
2011 # targets that do support conditional mov but on which it's slow
2012 pentium4|pentium4m|prescott|nocona)
2013 cpuflags="-march=$cpu"
2014 enable cmov
2015 disable fast_cmov
2016 ;;
2017 esac
2018
2019 elif enabled sparc; then
2020
2021 case $cpu in
2022 sparc64)
2023 cpuflags="-mcpu=v9"
2024 ;;
2025 esac
2026
2027 elif enabled arm; then
2028
2029 case $cpu in
2030 armv*)
2031 cpuflags="-march=$cpu"
2032 ;;
2033 *)
2034 cpuflags="-mcpu=$cpu"
2035 ;;
2036 esac
2037
2038 elif enabled alpha; then
2039
2040 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2041
2042 elif enabled bfin; then
2043
2044 cpuflags="-mcpu=$cpu"
2045
2046 elif enabled mips; then
2047
2048 cpuflags="-march=$cpu"
2049
2050 elif enabled avr32; then
2051
2052 case $cpu in
2053 ap7[02]0[0-2])
2054 subarch="avr32_ap"
2055 cpuflags="-mpart=$cpu"
2056 ;;
2057 ap)
2058 subarch="avr32_ap"
2059 cpuflags="-march=$cpu"
2060 ;;
2061 uc3[ab]*)
2062 subarch="avr32_uc"
2063 cpuflags="-mcpu=$cpu"
2064 ;;
2065 uc)
2066 subarch="avr32_uc"
2067 cpuflags="-march=$cpu"
2068 ;;
2069 esac
2070
2071 fi
2072
2073 add_cflags $cpuflags
2074 add_asflags $cpuflags
2075
2076 # compiler sanity check
2077 check_exec <<EOF
2078 int main(void){ return 0; }
2079 EOF
2080 if test "$?" != 0; then
2081 echo "$cc is unable to create an executable file."
2082 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2083 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2084 echo "Only do this if you know what cross compiling means."
2085 fi
2086 die "C compiler test failed."
2087 fi
2088
2089 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2090 check_cflags -std=c99
2091 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2092 #include <stdlib.h>
2093 EOF
2094 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2095 #include <stdlib.h>
2096 EOF
2097
2098 check_host_cflags -std=c99
2099
2100 case "$arch" in
2101 alpha|ia64|mips|parisc|sparc)
2102 spic=$shared
2103 ;;
2104 x86)
2105 subarch="x86_32"
2106 check_cc <<EOF && subarch="x86_64"
2107 int test[(int)sizeof(char*) - 7];
2108 EOF
2109 if test "$subarch" = "x86_64"; then
2110 spic=$shared
2111 fi
2112 ;;
2113 esac
2114
2115 enable $subarch
2116 enabled spic && enable pic
2117
2118 # OS specific
2119 case $target_os in
2120 beos|haiku|zeta)
2121 prefix_default="$HOME/config"
2122 # 3 gcc releases known for BeOS, each with ugly bugs
2123 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
2124 case "$gcc_version" in
2125 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2126 disable mmx
2127 ;;
2128 *20010315*) echo "BeBits gcc"
2129 add_cflags -fno-expensive-optimizations
2130 ;;
2131 esac
2132 SHFLAGS=-nostart
2133 # enable BeOS things
2134 enable audio_beos
2135 # no need for libm, but the inet stuff
2136 # Check for BONE
2137 # XXX: actually should check for NOT net_server
2138 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
2139 network_extralibs="-lbind -lsocket"
2140 else
2141 enable beos_netserver
2142 network_extralibs="-lnet"
2143 fi ;;
2144 sunos)
2145 FFSERVERLDFLAGS=""
2146 SHFLAGS='-shared -Wl,-h,$$(@F)'
2147 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2148 network_extralibs="-lsocket -lnsl"
2149 add_cppflags -D__EXTENSIONS__
2150 nm_opts='-P -g'
2151 ;;
2152 netbsd)
2153 oss_indev_extralibs="-lossaudio"
2154 oss_outdev_extralibs="-lossaudio"
2155 add_cppflags -D_XOPEN_SOURCE=600
2156 ;;
2157 openbsd)
2158 enable malloc_aligned
2159 # On OpenBSD 4.5. the compiler does not use PIC unless
2160 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2161 # however the generated executable will not do anything
2162 # (simply quits with exit-code 1, no crash, no output).
2163 # Thus explicitly enable PIC here.
2164 enable pic
2165 SHFLAGS='-shared'
2166 oss_indev_extralibs="-lossaudio"
2167 oss_outdev_extralibs="-lossaudio"
2168 ;;
2169 freebsd|dragonfly)
2170 enable malloc_aligned
2171 ;;
2172 bsd/os)
2173 osextralibs="-lpoll -lgnugetopt"
2174 strip="strip -d"
2175 ;;
2176 darwin)
2177 enable malloc_aligned
2178 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2179 strip="strip -x"
2180 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2181 SLIBSUF=".dylib"
2182 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2183 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2184 FFSERVERLDFLAGS=-Wl,-bind_at_load
2185 objformat="macho"
2186 enabled x86_64 && objformat="macho64"
2187 enabled_any pic shared ||
2188 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2189 ;;
2190 mingw32*)
2191 if test $target_os = "mingw32ce"; then
2192 disable network
2193 else
2194 target_os=mingw32
2195 fi
2196 LIBTARGET=i386
2197 if enabled x86_64; then
2198 enable malloc_aligned
2199 LIBTARGET=x64
2200 elif enabled arm; then
2201 LIBTARGET=arm
2202 fi
2203 shlibdir_default="$bindir_default"
2204 disable ffserver
2205 SLIBPREF=""
2206 SLIBSUF=".dll"
2207 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2208 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2209 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2210 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2211 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2212 install -d "$(LIBDIR)"; \
2213 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2214 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2215 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2216 objformat="win32"
2217 enable dos_paths
2218 check_cflags -fno-common
2219 if ! enabled x86_64; then
2220 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2221 die "ERROR: MinGW runtime version must be >= 3.15."
2222 enabled_any avisynth vfwcap_indev &&
2223 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
2224 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
2225 fi
2226 ;;
2227 cygwin*)
2228 target_os=cygwin
2229 shlibdir_default="$bindir_default"
2230 SLIBPREF="cyg"
2231 SLIBSUF=".dll"
2232 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2233 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2234 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2235 objformat="win32"
2236 enable dos_paths
2237 check_cflags -fno-common
2238 ;;
2239 *-dos|freedos|opendos)
2240 disable ffplay ffserver
2241 disable $INDEV_LIST $OUTDEV_LIST
2242 network_extralibs="-lsocket"
2243 objformat="coff"
2244 enable dos_paths
2245 ;;
2246 linux)
2247 enable dv1394
2248 ;;
2249 irix*)
2250 target_os=irix
2251 ranlib="echo ignoring ranlib"
2252 ;;
2253 os/2*)
2254 strip="lxlite"
2255 ln_s="cp -f"
2256 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
2257 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2258 FFSERVERLDFLAGS=""
2259 LIBSUF="_s.a"
2260 SLIBPREF=""
2261 SLIBSUF=".dll"
2262 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2263 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2264 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2265 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2266 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2267 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2268 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2269 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2270 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2271 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2272 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2273 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2274 enable dos_paths
2275 ;;
2276 gnu/kfreebsd)
2277 ;;
2278 gnu)
2279 ;;
2280 none)
2281 ;;
2282 *)
2283 die "Unknown OS '$target_os'."
2284 ;;
2285 esac
2286
2287 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2288
2289 set_default $PATHS_LIST
2290
2291 add_extralibs $osextralibs
2292
2293 # Combine FFLDFLAGS and the LDFLAGS environment variable.
2294 LDFLAGS="$FFLDFLAGS $LDFLAGS"
2295
2296 # we need to build at least one lib type
2297 if ! enabled_any static shared; then
2298 cat <<EOF
2299 At least one library type must be built.
2300 Specify --enable-static to build the static libraries or --enable-shared to
2301 build the shared libraries as well. To only build the shared libraries specify
2302 --disable-static in addition to --enable-shared.
2303 EOF
2304 exit 1;
2305 fi
2306
2307 disabled static && LIBNAME=""
2308
2309 if enabled_any libfaad libfaadbin ; then
2310 if check_header faad.h; then
2311 check_cc <<EOF
2312 #include <faad.h>
2313 #ifndef FAAD2_VERSION
2314 ok faad1
2315 #endif
2316 int main(void) { return 0; }
2317 EOF
2318 test $? = 0 && enable libfaad2
2319 else
2320 die "FAAD test failed."
2321 fi
2322 fi
2323
2324
2325 die_license_disabled() {
2326 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2327 }
2328
2329 die_license_disabled gpl libfaad2
2330 die_license_disabled gpl libx264
2331 die_license_disabled gpl libxvid
2332 die_license_disabled gpl postproc
2333 die_license_disabled gpl x11grab
2334
2335 die_license_disabled nonfree libfaac
2336
2337 die_license_disabled version3 libopencore_amrnb
2338 die_license_disabled version3 libopencore_amrwb
2339
2340 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2341
2342 check_deps $ARCH_EXT_LIST
2343
2344 disabled optimizations || check_cflags -fomit-frame-pointer
2345
2346 enable_pic() {
2347 enable pic
2348 add_cppflags -DPIC
2349 add_cflags -fPIC
2350 add_asflags -fPIC
2351 }
2352
2353 enabled pic && enable_pic
2354
2355 check_cc <<EOF || die "Symbol mangling check failed."
2356 int ff_extern;
2357 EOF
2358 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2359 extern_prefix=${sym%%ff_extern*}
2360
2361 check_cc <<EOF && enable inline_asm
2362 void foo(void) { __asm__ volatile ("" ::); }
2363 EOF
2364
2365 _restrict=
2366 for restrict_keyword in restrict __restrict__ __restrict; do
2367 check_cc <<EOF && _restrict=$restrict_keyword && break
2368 void foo(char * $restrict_keyword p);
2369 EOF
2370 done
2371
2372 check_cc <<EOF && enable attribute_packed
2373 struct { int x; } __attribute__((packed)) x;
2374 EOF
2375
2376 check_cc <<EOF && enable attribute_may_alias
2377 union { int x; } __attribute__((may_alias)) x;
2378 EOF
2379
2380 check_cc <<EOF || die "endian test failed"
2381 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2382 EOF
2383 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2384
2385 if enabled alpha; then
2386
2387 check_cflags -mieee
2388
2389 elif enabled arm; then
2390
2391 check_cflags -marm
2392
2393 check_ld <<EOF && enable vfp_args
2394 __asm__ (".eabi_attribute 28, 1");
2395 int main(void) { return 0; }
2396 EOF
2397
2398 # We have to check if pld is a nop and disable it.
2399 check_asm pld '"pld [r0]"'
2400
2401 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2402 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2403 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2404 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2405 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2406 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2407
2408 enabled_all armv6t2 shared !pic && enable_pic
2409
2410 elif enabled ia64; then
2411
2412 # HACK: currently fails to build if .bss is > 4MB and shared libs are built
2413 enabled shared && enable_weak hardcoded_tables
2414
2415 elif enabled mips; then
2416
2417 check_asm loongson '"dmult.g $1, $2, $3"'
2418 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2419
2420 elif enabled ppc; then
2421
2422 enable local_aligned_8 local_aligned_16
2423
2424 check_asm dcbzl '"dcbzl 0, 1"'
2425 check_asm ppc4xx '"maclhw r10, r11, r12"'
2426 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2427
2428 # AltiVec flags: The FSF version of GCC differs from the Apple version
2429 if enabled altivec; then
2430 check_cflags -maltivec -mabi=altivec &&
2431 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2432 check_cflags -faltivec
2433
2434 # check if our compiler supports Motorola AltiVec C API
2435 check_cc <<EOF || disable altivec
2436 $inc_altivec_h
2437 int main(void) {
2438 vector signed int v1, v2, v3;
2439 v1 = vec_add(v2,v3);
2440 return 0;
2441 }
2442 EOF
2443
2444 # check if our compiler supports braces for vector declarations
2445 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2446 $inc_altivec_h
2447 int main (void) { (vector int) {1}; return 0; }
2448 EOF
2449 fi
2450
2451 elif enabled sparc; then
2452
2453 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2454 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2455
2456 elif enabled x86; then
2457
2458 enable local_aligned_8 local_aligned_16
2459
2460 # check whether EBP is available on x86
2461 # As 'i' is stored on the stack, this program will crash
2462 # if the base pointer is used to access it because the
2463 # base pointer is cleared in the inline assembly code.
2464 check_exec_crash <<EOF && enable ebp_available
2465 volatile int i=0;
2466 __asm__ volatile (
2467 "xorl %%ebp, %%ebp"
2468 ::: "%ebp");
2469 return i;
2470 EOF
2471
2472 # check whether EBX is available on x86
2473 check_asm ebx_available '""::"b"(0)' &&
2474 check_asm ebx_available '"":::"%ebx"'
2475
2476 # check whether more than 10 operands are supported
2477 check_cc <<EOF && enable ten_operands
2478 int main(void) {
2479 int x=0;
2480 __asm__ volatile(
2481 ""
2482 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2483 );
2484 return 0;
2485 }
2486 EOF
2487
2488 # check whether binutils is new enough to compile SSSE3/MMX2
2489 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2490 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2491
2492 check_asm bswap '"bswap %%eax" ::: "%eax"'
2493
2494 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2495 enabled x86_64 && append YASMFLAGS "-m amd64"
2496 enabled pic && append YASMFLAGS "-DPIC"
2497 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2498 case "$objformat" in
2499 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2500 esac
2501 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2502
2503 case "$cpu" in
2504 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2505 disable fast_clz
2506 ;;
2507 esac
2508
2509 fi
2510
2511 if check_func dlopen; then
2512 ldl=
2513 elif check_func dlopen -ldl; then
2514 ldl=-ldl
2515 fi
2516
2517 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2518 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2519
2520 check_func fork
2521 check_func getaddrinfo $network_extralibs
2522 check_func gethrtime
2523 check_func getrusage
2524 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2525 check_func inet_aton $network_extralibs
2526 check_func isatty
2527 check_func ${malloc_prefix}memalign && enable memalign
2528 check_func mkstemp
2529 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2530 check_func setrlimit
2531 check_func strerror_r
2532 check_func_headers io.h setmode
2533 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2534 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2535 check_func_headers windows.h GetProcessTimes
2536 check_func_headers windows.h VirtualAlloc
2537
2538 check_header conio.h
2539 check_header dlfcn.h
2540 check_header dxva2api.h
2541 check_header malloc.h
2542 check_header poll.h
2543 check_header sys/mman.h
2544 check_header sys/resource.h
2545 check_header sys/select.h
2546 check_header termios.h
2547 check_header vdpau/vdpau.h
2548 check_header vdpau/vdpau_x11.h
2549 check_header X11/extensions/XvMClib.h
2550
2551 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2552
2553 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2554 enabled_any $need_memalign ; then
2555 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2556 fi
2557
2558 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2559 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2560
2561 # check for some common methods of building with pthread support
2562 # do this before the optional library checks as some of them require pthreads
2563 if enabled pthreads; then
2564 if check_func pthread_create; then
2565 :
2566 elif check_func pthread_create -pthread; then
2567 add_cflags -pthread
2568 add_extralibs -pthread
2569 elif check_func pthread_create -pthreads; then
2570 add_cflags -pthreads
2571 add_extralibs -pthreads
2572 elif check_func pthread_create -lpthreadGC2; then
2573 add_extralibs -lpthreadGC2
2574 elif ! check_lib pthread.h pthread_create -lpthread; then
2575 die "ERROR: can't find pthreads library"
2576 fi
2577 fi
2578
2579 for thread in $THREADS_LIST; do
2580 if enabled $thread; then
2581 test -n "$thread_type" &&
2582 die "ERROR: Only one thread type must be selected." ||
2583 thread_type="$thread"
2584 fi
2585 done
2586
2587 check_lib math.h sin -lm
2588 check_lib va/va.h vaInitialize -lva
2589
2590 check_mathfunc exp2
2591 check_mathfunc exp2f
2592 check_mathfunc llrint
2593 check_mathfunc log2
2594 check_mathfunc log2f
2595 check_mathfunc lrint
2596 check_mathfunc lrintf
2597 check_mathfunc round
2598 check_mathfunc roundf
2599 check_mathfunc truncf
2600
2601 # these are off by default, so fail if requested and not available
2602 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2603 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2604 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2605 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2606 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2607 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
2608 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2609 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
2610 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2611 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2612 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2613 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2614 enabled librtmp && require librtmp librtmp/rtmp.h RTMP_Init -lrtmp
2615 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2616 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2617 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2618 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2619 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2620 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
2621 { check_cpp_condition x264.h "X264_BUILD >= 83" ||
2622 die "ERROR: libx264 version must be >= 0.83."; }
2623 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2624 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2625
2626 # libdc1394 check
2627 if enabled libdc1394; then
2628 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2629 enable libdc1394_2; } ||
2630 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2631 enable libdc1394_1; } ||
2632 die "ERROR: No version of libdc1394 found "
2633 fi
2634
2635 SDL_CONFIG="${cross_prefix}sdl-config"
2636 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2637 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2638 sdl_libs=$("${SDL_CONFIG}" --libs)
2639 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2640 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2641 enable sdl &&
2642 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2643 fi
2644
2645 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2646
2647 if enabled network; then
2648 check_type "sys/types.h sys/socket.h" socklen_t
2649 check_type netdb.h "struct addrinfo"
2650 check_type netinet/in.h "struct ipv6_mreq"
2651 check_type netinet/in.h "struct sockaddr_in6"
2652 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2653 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2654 # Prefer arpa/inet.h over winsock2
2655 if check_header arpa/inet.h ; then
2656 check_func closesocket
2657 elif check_header winsock2.h ; then
2658 check_func_headers winsock2.h closesocket -lws2 && \
2659 network_extralibs="-lws2" || \
2660 { check_func_headers winsock2.h closesocket -lws2_32 && \
2661 network_extralibs="-lws2_32"; }
2662 check_type ws2tcpip.h socklen_t
2663 check_type ws2tcpip.h "struct addrinfo"
2664 check_type ws2tcpip.h "struct ipv6_mreq"
2665 check_type ws2tcpip.h "struct sockaddr_in6"
2666 check_type ws2tcpip.h "struct sockaddr_storage"
2667 check_struct winsock2.h "struct sockaddr" sa_len
2668 else
2669 disable network
2670 fi
2671 fi
2672
2673 check_header linux/videodev.h
2674 check_header linux/videodev2.h
2675 check_header sys/videoio.h
2676
2677 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2678
2679 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2680 { check_header dev/bktr/ioctl_meteor.h &&
2681 check_header dev/bktr/ioctl_bt848.h; } ||
2682 { check_header machine/ioctl_meteor.h &&
2683 check_header machine/ioctl_bt848.h; } ||
2684 { check_header dev/video/meteor/ioctl_meteor.h &&
2685 check_header dev/video/bktr/ioctl_bt848.h; } ||
2686 check_header dev/ic/bt8xx.h
2687
2688 check_header sys/soundcard.h
2689 check_header soundcard.h
2690
2691 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2692
2693 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2694
2695 enabled x11grab &&
2696 check_header X11/Xlib.h &&
2697 check_header X11/extensions/XShm.h &&
2698 check_header X11/extensions/Xfixes.h &&
2699 check_func XOpenDisplay -lX11 &&
2700 check_func XShmCreateImage -lX11 -lXext &&
2701 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2702
2703 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2704 check_cpp_condition \
2705 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2706 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2707 disable vdpau; }
2708 fi
2709
2710 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2711
2712 # add some useful compiler flags if supported
2713 check_cflags -Wdeclaration-after-statement
2714 check_cflags -Wall
2715 check_cflags -Wno-switch
2716 check_cflags -Wdisabled-optimization
2717 check_cflags -Wpointer-arith
2718 check_cflags -Wredundant-decls
2719 check_cflags -Wno-pointer-sign
2720 check_cflags -Wcast-qual
2721 check_cflags -Wwrite-strings
2722 check_cflags -Wtype-limits
2723 check_cflags -Wundef
2724 check_cflags -Wmissing-prototypes
2725 enabled extra_warnings && check_cflags -Winline
2726
2727 # add some linker flags
2728 check_ldflags -Wl,--warn-common
2729 check_ldflags -Wl,--as-needed
2730 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'
2731 check_ldflags -Wl,-Bsymbolic
2732
2733 echo "X{};" > $TMPV
2734 test_ldflags -Wl,--version-script,$TMPV &&
2735 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2736
2737 if enabled small; then
2738 add_cflags $size_cflags
2739 optimizations="small"
2740 elif enabled optimizations; then
2741 add_cflags $speed_cflags
2742 fi
2743 check_cflags -fno-math-errno
2744 check_cflags -fno-signed-zeros
2745
2746 if enabled icc; then
2747 # Just warnings, no remarks
2748 check_cflags -w1
2749 # -wd: Disable following warnings
2750 # 144, 167, 556: -Wno-pointer-sign
2751 # 10006: ignoring unknown option -fno-signed-zeros
2752 # 10156: ignoring option '-W'; no argument required
2753 check_cflags -wd144,167,556,10006,10156
2754 # 11030: Warning unknown option --as-needed
2755 # 10156: ignoring option '-export'; no argument required
2756 check_ldflags -wd10156,11030
2757 # Allow to compile with optimizations
2758 check_ldflags -march=$cpu
2759 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2760 enable ebp_available
2761 elif enabled ccc; then
2762 # disable some annoying warnings
2763 add_cflags -msg_disable cvtu32to64
2764 add_cflags -msg_disable embedcomment
2765 add_cflags -msg_disable needconstext
2766 add_cflags -msg_disable nomainieee
2767 add_cflags -msg_disable ptrmismatch1
2768 add_cflags -msg_disable unreachcode
2769 elif enabled gcc; then
2770 check_cflags -fno-tree-vectorize
2771 check_cflags -Werror=implicit
2772 check_cflags -Werror=missing-prototypes
2773 elif enabled clang; then
2774 check_cflags -Qunused-arguments
2775 elif enabled armcc; then
2776 # 2523: use of inline assembler is deprecated
2777 add_cflags -Wrvct,--diag_suppress=2523
2778 add_cflags -Wrvct,--diag_suppress=1207
2779 elif enabled tms470; then
2780 add_cflags -pds=824 -pds=837
2781 fi
2782
2783 if enabled gprof; then
2784 add_cflags -p
2785 add_ldflags -p
2786 fi
2787
2788 # Find out if the .align argument is a power of two or not.
2789 check_asm asmalign_pot '".align 3"'
2790
2791 enabled_any $DECODER_LIST && enable decoders
2792 enabled_any $ENCODER_LIST && enable encoders
2793 enabled_any $HWACCEL_LIST && enable hwaccels
2794 enabled_any $BSF_LIST && enable bsfs
2795 enabled_any $DEMUXER_LIST && enable demuxers
2796 enabled_any $MUXER_LIST && enable muxers
2797 enabled_any $FILTER_LIST && enable filters
2798 enabled_any $INDEV_LIST && enable indevs
2799 enabled_any $OUTDEV_LIST && enable outdevs
2800 enabled_any $PROTOCOL_LIST && enable protocols
2801
2802 enabled_any $THREADS_LIST && enable threads
2803
2804 check_deps $CONFIG_LIST \
2805 $CONFIG_EXTRA \
2806 $HAVE_LIST \
2807 $DECODER_LIST \
2808 $ENCODER_LIST \
2809 $HWACCEL_LIST \
2810 $PARSER_LIST \
2811 $BSF_LIST \
2812 $DEMUXER_LIST \
2813 $MUXER_LIST \
2814 $FILTER_LIST \
2815 $INDEV_LIST \
2816 $OUTDEV_LIST \
2817 $PROTOCOL_LIST \
2818
2819 enabled asm || disable $ARCH_LIST $ARCH_EXT_LIST
2820
2821 echo "install prefix $prefix"
2822 echo "source path $source_path"
2823 echo "C compiler $cc"
2824 echo ".align is power-of-two $asmalign_pot"
2825 echo "ARCH $arch ($cpu)"
2826 if test "$build_suffix" != ""; then
2827 echo "build suffix $build_suffix"
2828 fi
2829 if test "$extra_version" != ""; then
2830 echo "version string suffix $extra_version"
2831 fi
2832 echo "big-endian ${bigendian-no}"
2833 echo "runtime cpu detection ${runtime_cpudetect-no}"
2834 if enabled x86; then
2835 echo "yasm ${yasm-no}"
2836 echo "MMX enabled ${mmx-no}"
2837 echo "MMX2 enabled ${mmx2-no}"
2838 echo "3DNow! enabled ${amd3dnow-no}"
2839 echo "3DNow! extended enabled ${amd3dnowext-no}"
2840 echo "SSE enabled ${sse-no}"
2841 echo "SSSE3 enabled ${ssse3-no}"
2842 echo "CMOV enabled ${cmov-no}"
2843 echo "CMOV is fast ${fast_cmov-no}"
2844 echo "EBX available ${ebx_available-no}"
2845 echo "EBP available ${ebp_available-no}"
2846 echo "10 operands supported ${ten_operands-no}"
2847 fi
2848 if enabled arm; then
2849 echo "ARMv5TE enabled ${armv5te-no}"
2850 echo "ARMv6 enabled ${armv6-no}"
2851 echo "ARMv6T2 enabled ${armv6t2-no}"
2852 echo "ARM VFP enabled ${armvfp-no}"
2853 echo "IWMMXT enabled ${iwmmxt-no}"
2854 echo "NEON enabled ${neon-no}"
2855 fi
2856 if enabled mips; then
2857 echo "MMI enabled ${mmi-no}"
2858 fi
2859 if enabled ppc; then
2860 echo "AltiVec enabled ${altivec-no}"
2861 echo "PPC 4xx optimizations ${ppc4xx-no}"
2862 echo "dcbzl available ${dcbzl-no}"
2863 echo "performance report ${powerpc_perf-no}"
2864 fi
2865 if enabled sparc; then
2866 echo "VIS enabled ${vis-no}"
2867 fi
2868 echo "gprof enabled ${gprof-no}"
2869 echo "debug symbols ${debug-no}"
2870 echo "strip symbols ${stripping-no}"
2871 echo "optimizations ${optimizations-no}"
2872 echo "static ${static-no}"
2873 echo "shared ${shared-no}"
2874 echo "postprocessing support ${postproc-no}"
2875 echo "new filter support ${avfilter-no}"
2876 echo "filters using lavformat ${avfilter_lavf-no}"
2877 echo "network support ${network-no}"
2878 echo "threading support ${thread_type-no}"
2879 echo "SDL support ${sdl-no}"
2880 echo "Sun medialib support ${mlib-no}"
2881 echo "AVISynth enabled ${avisynth-no}"
2882 echo "libdc1394 support ${libdc1394-no}"
2883 echo "libdirac enabled ${libdirac-no}"
2884 echo "libfaac enabled ${libfaac-no}"
2885 echo "libfaad enabled ${libfaad-no}"
2886 echo "libfaad dlopened ${libfaadbin-no}"
2887 echo "libgsm enabled ${libgsm-no}"
2888 echo "libmp3lame enabled ${libmp3lame-no}"
2889 echo "libnut enabled ${libnut-no}"
2890 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2891 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2892 echo "libopenjpeg enabled ${libopenjpeg-no}"
2893 echo "librtmp enabled ${librtmp-no}"
2894 echo "libschroedinger enabled ${libschroedinger-no}"
2895 echo "libspeex enabled ${libspeex-no}"
2896 echo "libtheora enabled ${libtheora-no}"
2897 echo "libvorbis enabled ${libvorbis-no}"
2898 echo "libx264 enabled ${libx264-no}"
2899 echo "libxvid enabled ${libxvid-no}"
2900 echo "zlib enabled ${zlib-no}"
2901 echo "bzlib enabled ${bzlib-no}"
2902 echo
2903
2904 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2905 echo "Enabled ${type}s:"
2906 eval list=\$$(toupper $type)_LIST
2907 for part in $list; do
2908 enabled $part && echo ${part%_*}
2909 done | sort | pr -3 -t
2910 echo
2911 done
2912
2913 license="LGPL version 2.1 or later"
2914 if enabled nonfree; then
2915 license="nonfree and unredistributable"
2916 elif enabled gplv3; then
2917 license="GPL version 3 or later"
2918 elif enabled lgplv3; then
2919 license="LGPL version 3 or later"
2920 elif enabled gpl; then
2921 license="GPL version 2 or later"
2922 fi
2923
2924 echo "License: $license"
2925
2926 echo "Creating config.mak and config.h..."
2927
2928 # build tree in object directory if source path is different from current one
2929 if enabled source_path_used; then
2930 DIRS="
2931 doc
2932 libavcodec
2933 libavcodec/$arch
2934 libavdevice
2935 libavfilter
2936 libavformat
2937 libavutil
2938 libavutil/$arch
2939 libpostproc
2940 libswscale
2941 libswscale/$arch
2942 tests
2943 tools
2944 "
2945 FILES="
2946 Makefile
2947 common.mak
2948 subdir.mak
2949 doc/texi2pod.pl
2950 libavcodec/Makefile
2951 libavcodec/${arch}/Makefile
2952 libavdevice/Makefile
2953 libavfilter/Makefile
2954 libavformat/Makefile
2955 libavutil/Makefile
2956 libpostproc/Makefile
2957 libswscale/Makefile
2958 "
2959 map 'mkdir -p $v' $DIRS;
2960 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
2961 fi
2962
2963 enabled stripping || strip="echo skipping strip"
2964
2965 cat > config.mak <<EOF
2966 # Automatically generated by configure - do not modify!
2967 ifndef FFMPEG_CONFIG_MAK
2968 FFMPEG_CONFIG_MAK=1
2969 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2970 prefix=$prefix
2971 LIBDIR=\$(DESTDIR)$libdir
2972 SHLIBDIR=\$(DESTDIR)$shlibdir
2973 INCDIR=\$(DESTDIR)$incdir
2974 BINDIR=\$(DESTDIR)$bindir
2975 DATADIR=\$(DESTDIR)$datadir
2976 MANDIR=\$(DESTDIR)$mandir
2977 SRC_PATH="$source_path"
2978 SRC_PATH_BARE=$source_path
2979 BUILD_ROOT="$PWD"
2980 ARCH=$arch
2981 CC=$cc
2982 AS=$as
2983 LD=$ld
2984 DEPCC=$dep_cc
2985 YASM=$yasmexe
2986 YASMDEP=$yasmexe
2987 AR=$ar
2988 RANLIB=$ranlib
2989 CP=cp -p
2990 LN_S=$ln_s
2991 STRIP=$strip
2992 CPPFLAGS=$CPPFLAGS
2993 CFLAGS=$CFLAGS
2994 ASFLAGS=$ASFLAGS
2995 CC_O=$CC_O
2996 LDFLAGS=$LDFLAGS
2997 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2998 SHFLAGS=$SHFLAGS
2999 YASMFLAGS=$YASMFLAGS
3000 BUILDSUF=$build_suffix
3001 FULLNAME=$FULLNAME
3002 LIBPREF=$LIBPREF
3003 LIBSUF=$LIBSUF
3004 LIBNAME=$LIBNAME
3005 SLIBPREF=$SLIBPREF
3006 SLIBSUF=$SLIBSUF
3007 EXESUF=$EXESUF
3008 EXTRA_VERSION=$extra_version
3009 DEPFLAGS=$DEPFLAGS
3010 CCDEP=$CCDEP
3011 ASDEP=$ASDEP
3012 CC_DEPFLAGS=$CC_DEPFLAGS
3013 AS_DEPFLAGS=$AS_DEPFLAGS
3014 HOSTCC=$host_cc
3015 HOSTCFLAGS=$host_cflags
3016 HOSTEXESUF=$HOSTEXESUF
3017 HOSTLDFLAGS=$host_ldflags
3018 HOSTLIBS=$host_libs
3019 TARGET_EXEC=$target_exec
3020 TARGET_PATH=$target_path
3021 SDL_LIBS=$sdl_libs
3022 SDL_CFLAGS=$sdl_cflags
3023 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3024 EXTRALIBS=$extralibs
3025 INSTALL=install
3026 LIBTARGET=${LIBTARGET}
3027 SLIBNAME=${SLIBNAME}
3028 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3029 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3030 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3031 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3032 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3033 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3034 SAMPLES=$samples
3035 EOF
3036
3037 get_version(){
3038 name=$1
3039 file=$source_path/$2
3040 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3041 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3042 lcname=$(tolower $name)
3043 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3044 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3045 }
3046
3047 get_version LIBSWSCALE libswscale/swscale.h
3048 get_version LIBPOSTPROC libpostproc/postprocess.h
3049 get_version LIBAVCODEC libavcodec/avcodec.h
3050 get_version LIBAVDEVICE libavdevice/avdevice.h
3051 get_version LIBAVFORMAT libavformat/avformat.h
3052 get_version LIBAVUTIL libavutil/avutil.h
3053 get_version LIBAVFILTER libavfilter/avfilter.h
3054
3055 enabled asmalign_pot || align_shift="1 <<"
3056
3057 cat > $TMPH <<EOF
3058 /* Automatically generated by configure - do not modify! */
3059 #ifndef FFMPEG_CONFIG_H
3060 #define FFMPEG_CONFIG_H
3061 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3062 #define FFMPEG_LICENSE "$(c_escape $license)"
3063 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3064 #define CC_TYPE "$cc_type"
3065 #define CC_VERSION $cc_version
3066 #define restrict $_restrict
3067 #define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
3068 #define EXTERN_PREFIX "${extern_prefix}"
3069 #define EXTERN_ASM ${extern_prefix}
3070 EOF
3071
3072 test -n "$malloc_prefix" &&
3073 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3074
3075 if enabled small || disabled optimizations; then
3076 echo "#undef av_always_inline" >> $TMPH
3077 echo "#define av_always_inline" >> $TMPH
3078 fi
3079
3080 print_config ARCH_ $TMPH config.mak $ARCH_LIST
3081 print_config HAVE_ $TMPH config.mak $HAVE_LIST
3082 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
3083 $CONFIG_EXTRA \
3084 $DECODER_LIST \
3085 $ENCODER_LIST \
3086 $HWACCEL_LIST \
3087 $PARSER_LIST \
3088 $BSF_LIST \
3089 $DEMUXER_LIST \
3090 $MUXER_LIST \
3091 $FILTER_LIST \
3092 $PROTOCOL_LIST \
3093 $INDEV_LIST \
3094 $OUTDEV_LIST \
3095
3096 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3097 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3098
3099 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3100 cp_if_changed $TMPH config.h
3101
3102 cat > $TMPH <<EOF
3103 /* Generated by ffconf */
3104 #ifndef AVUTIL_AVCONFIG_H
3105 #define AVUTIL_AVCONFIG_H
3106 EOF
3107
3108 print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3109
3110 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3111
3112 cp_if_changed $TMPH libavutil/avconfig.h
3113
3114 # build pkg-config files
3115
3116 pkgconfig_generate(){
3117 name=$1
3118 shortname=${name#lib}${build_suffix}
3119 comment=$2
3120 version=$3
3121 libs=$4
3122 requires=$5
3123 cat <<EOF > $name/$name.pc
3124 prefix=$prefix
3125 exec_prefix=\${prefix}
3126 libdir=$libdir
3127 includedir=$incdir
3128
3129 Name: $name
3130 Description: $comment
3131 Version: $version
3132 Requires: $(enabled shared || echo $requires)
3133 Requires.private: $(enabled shared && echo $requires)
3134 Conflicts:
3135 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3136 Libs.private: $(enabled shared && echo $libs)
3137 Cflags: -I\${includedir}
3138 EOF
3139 cat <<EOF > $name/$name-uninstalled.pc
3140 prefix=
3141 exec_prefix=
3142 libdir=\${pcfiledir}
3143 includedir=${source_path}
3144
3145 Name: $name
3146 Description: $comment
3147 Version: $version
3148 Requires: $requires
3149 Conflicts:
3150 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3151 Cflags: -I\${includedir}
3152 EOF
3153 }
3154
3155 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3156 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3157 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3158 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3159 enabled avfilter &&
3160 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3161 enabled postproc &&
3162 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3163 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"