Nit: fix alphabetical order
[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.log]
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 --disable-avfilter disable video filter support [no]
93 --enable-avfilter-lavf video filters dependent on avformat [no]
94 --disable-pthreads disable pthreads [auto]
95 --enable-w32threads use Win32 threads [no]
96 --enable-x11grab enable X11 grabbing [no]
97 --disable-network disable network support [no]
98 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
99 --enable-gray enable full grayscale support (slower color)
100 --disable-swscale-alpha disable alpha channel support in swscale
101 --disable-fastdiv disable table-based division
102 --enable-small optimize for size instead of speed
103 --disable-aandct disable AAN DCT code
104 --disable-dct disable DCT code
105 --disable-fft disable FFT code
106 --disable-golomb disable Golomb code
107 --disable-lpc disable LPC code
108 --disable-mdct disable MDCT code
109 --disable-rdft disable RDFT code
110 --disable-vaapi disable VAAPI code
111 --disable-vdpau disable VDPAU code
112 --disable-dxva2 disable DXVA2 code
113 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
114 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
115 --enable-memalign-hack emulate memalign, interferes with memory debuggers
116 --disable-everything disable all components listed below
117 --disable-encoder=NAME disable encoder NAME
118 --enable-encoder=NAME enable encoder NAME
119 --disable-encoders disable all encoders
120 --disable-decoder=NAME disable decoder NAME
121 --enable-decoder=NAME enable decoder NAME
122 --disable-decoders disable all decoders
123 --disable-hwaccel=NAME disable hwaccel NAME
124 --enable-hwaccel=NAME enable hwaccel NAME
125 --disable-hwaccels disable all hwaccels
126 --disable-muxer=NAME disable muxer NAME
127 --enable-muxer=NAME enable muxer NAME
128 --disable-muxers disable all muxers
129 --disable-demuxer=NAME disable demuxer NAME
130 --enable-demuxer=NAME enable demuxer NAME
131 --disable-demuxers disable all demuxers
132 --enable-parser=NAME enable parser NAME
133 --disable-parser=NAME disable parser NAME
134 --disable-parsers disable all parsers
135 --enable-bsf=NAME enable bitstream filter NAME
136 --disable-bsf=NAME disable bitstream filter NAME
137 --disable-bsfs disable all bitstream filters
138 --enable-protocol=NAME enable protocol NAME
139 --disable-protocol=NAME disable protocol NAME
140 --disable-protocols disable all protocols
141 --disable-indev=NAME disable input device NAME
142 --disable-outdev=NAME disable output device NAME
143 --disable-indevs disable input devices
144 --disable-outdevs disable output devices
145 --disable-devices disable all devices
146 --enable-filter=NAME enable filter NAME
147 --disable-filter=NAME disable filter NAME
148 --disable-filters disable all filters
149 --list-decoders show all available decoders
150 --list-encoders show all available encoders
151 --list-hwaccels show all available hardware accelerators
152 --list-muxers show all available muxers
153 --list-demuxers show all available demuxers
154 --list-parsers show all available parsers
155 --list-protocols show all available protocols
156 --list-bsfs show all available bitstream filters
157 --list-indevs show all available input devices
158 --list-outdevs show all available output devices
159 --list-filters show all available filters
160
161 External library support:
162 --enable-avisynth enable reading of AVISynth script files [no]
163 --enable-bzlib enable bzlib [autodetect]
164 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
165 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
166 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
167 and libraw1394 [no]
168 --enable-libdirac enable Dirac support via libdirac [no]
169 --enable-libfaac enable FAAC support via libfaac [no]
170 --enable-libgsm enable GSM support via libgsm [no]
171 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
172 --enable-libnut enable NUT (de)muxing via libnut,
173 native (de)muxer exists [no]
174 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
175 --enable-librtmp enable RTMP[E] support via librtmp [no]
176 --enable-libschroedinger enable Dirac support via libschroedinger [no]
177 --enable-libspeex enable Speex decoding via libspeex [no]
178 --enable-libtheora enable Theora encoding via libtheora [no]
179 --enable-libvorbis enable Vorbis encoding via libvorbis,
180 native implementation exists [no]
181 --enable-libvpx enable VP8 support via libvpx [no]
182 --enable-libx264 enable H.264 encoding via x264 [no]
183 --enable-libxvid enable Xvid encoding via xvidcore,
184 native MPEG-4/Xvid encoder exists [no]
185 --enable-mlib enable Sun medialib [no]
186 --enable-zlib enable zlib [autodetect]
187
188 Advanced options (experts only):
189 --source-path=PATH path to source code [$source_path]
190 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
191 --enable-cross-compile assume a cross-compiler is used
192 --sysroot=PATH root of cross-build tree
193 --sysinclude=PATH location of cross-build system headers
194 --target-os=OS compiler targets OS [$target_os]
195 --target-exec=CMD command to run executables on target
196 --target-path=DIR path to view of build directory on target
197 --nm=NM use nm tool
198 --ar=AR use archive tool AR [$ar_default]
199 --as=AS use assembler AS [$as_default]
200 --cc=CC use C compiler CC [$cc_default]
201 --ld=LD use linker LD
202 --host-cc=HOSTCC use host C compiler HOSTCC
203 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
204 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
205 --host-libs=HLIBS use libs HLIBS when linking for host
206 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
207 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
208 --extra-libs=ELIBS add ELIBS [$ELIBS]
209 --extra-version=STRING version string suffix []
210 --build-suffix=SUFFIX library name suffix []
211 --arch=ARCH select architecture [$arch]
212 --cpu=CPU select the minimum required CPU (affects
213 instruction selection, may crash on older CPUs)
214 --disable-asm disable all assembler optimizations
215 --disable-altivec disable AltiVec optimizations
216 --disable-amd3dnow disable 3DNow! optimizations
217 --disable-amd3dnowext disable 3DNow! extended optimizations
218 --disable-mmx disable MMX optimizations
219 --disable-mmx2 disable MMX2 optimizations
220 --disable-sse disable SSE optimizations
221 --disable-ssse3 disable SSSE3 optimizations
222 --disable-armv5te disable armv5te optimizations
223 --disable-armv6 disable armv6 optimizations
224 --disable-armv6t2 disable armv6t2 optimizations
225 --disable-armvfp disable ARM VFP optimizations
226 --disable-iwmmxt disable iwmmxt optimizations
227 --disable-mmi disable MMI optimizations
228 --disable-neon disable neon optimizations
229 --disable-vis disable VIS optimizations
230 --disable-yasm disable use of yasm assembler
231 --enable-pic build position-independent code
232 --malloc-prefix=PFX prefix malloc and related names with PFX
233 --enable-sram allow use of on-chip SRAM
234
235 Developer options (useful when working on FFmpeg itself):
236 --disable-debug disable debugging symbols
237 --enable-debug=LEVEL set the debug level [$debuglevel]
238 --disable-optimizations disable compiler optimizations
239 --enable-extra-warnings enable more compiler warnings
240 --disable-stripping disable stripping of executables and shared libraries
241 --samples=PATH location of test samples for FATE
242
243 NOTE: Object files are built at the place where configure is launched.
244 EOF
245 exit 0
246 }
247
248 quotes='""'
249
250 log(){
251 echo "$@" >> $logfile
252 }
253
254 log_file(){
255 log BEGIN $1
256 pr -n -t $1 >> $logfile
257 log END $1
258 }
259
260 echolog(){
261 log "$@"
262 echo "$@"
263 }
264
265 warn(){
266 log "WARNING: $*"
267 WARNINGS="${WARNINGS}WARNING: $*\n"
268 }
269
270 die(){
271 echolog "$@"
272 cat <<EOF
273
274 If you think configure made a mistake, make sure you are using the latest
275 version from SVN. If the latest version fails, report the problem to the
276 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
277 EOF
278 if disabled logging; then
279 cat <<EOF
280 Rerun configure with logging enabled (do not use --disable-logging), and
281 include the log this produces with your report.
282 EOF
283 else
284 cat <<EOF
285 Include the log file "$logfile" produced by configure as this will help
286 solving the problem.
287 EOF
288 fi
289 exit 1
290 }
291
292 # Avoid locale weirdness, besides we really just want to translate ASCII.
293 toupper(){
294 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
295 }
296
297 tolower(){
298 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
299 }
300
301 c_escape(){
302 echo "$*" | sed 's/["\\]/\\\0/g'
303 }
304
305 sh_quote(){
306 v=$(echo "$1" | sed "s/'/'\\\\''/g")
307 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
308 echo "$v"
309 }
310
311 filter(){
312 pat=$1
313 shift
314 for v; do
315 eval "case $v in $pat) echo $v ;; esac"
316 done
317 }
318
319 map(){
320 m=$1
321 shift
322 for v; do eval $m; done
323 }
324
325 set_all(){
326 value=$1
327 shift
328 for var in $*; do
329 eval $var=$value
330 done
331 }
332
333 set_weak(){
334 value=$1
335 shift
336 for var; do
337 eval : \${$var:=$value}
338 done
339 }
340
341 pushvar(){
342 for var in $*; do
343 eval level=\${${var}_level:=0}
344 eval ${var}_${level}="\$$var"
345 eval ${var}_level=$(($level+1))
346 done
347 }
348
349 popvar(){
350 for var in $*; do
351 eval level=\${${var}_level:-0}
352 test $level = 0 && continue
353 eval level=$(($level-1))
354 eval $var="\${${var}_${level}}"
355 eval ${var}_level=$level
356 eval unset ${var}_${level}
357 done
358 }
359
360 enable(){
361 set_all yes $*
362 }
363
364 disable(){
365 set_all no $*
366 }
367
368 enable_weak(){
369 set_weak yes $*
370 }
371
372 disable_weak(){
373 set_weak no $*
374 }
375
376 enable_safe(){
377 for var; do
378 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
379 done
380 }
381
382 disable_safe(){
383 for var; do
384 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
385 done
386 }
387
388 do_enable_deep(){
389 for var; do
390 enabled $var && continue
391 eval sel="\$${var}_select"
392 eval sgs="\$${var}_suggest"
393 pushvar var sgs
394 enable_deep $sel
395 popvar sgs
396 enable_deep_weak $sgs
397 popvar var
398 done
399 }
400
401 enable_deep(){
402 do_enable_deep $*
403 enable $*
404 }
405
406 enable_deep_weak(){
407 do_enable_deep $*
408 enable_weak $*
409 }
410
411 enabled(){
412 test "${1#!}" = "$1" && op== || op=!=
413 eval test "x\$${1#!}" $op "xyes"
414 }
415
416 disabled(){
417 test "${1#!}" = "$1" && op== || op=!=
418 eval test "x\$${1#!}" $op "xno"
419 }
420
421 enabled_all(){
422 for opt; do
423 enabled $opt || return 1
424 done
425 }
426
427 disabled_all(){
428 for opt; do
429 disabled $opt || return 1
430 done
431 }
432
433 enabled_any(){
434 for opt; do
435 enabled $opt && return 0
436 done
437 }
438
439 disabled_any(){
440 for opt; do
441 disabled $opt && return 0
442 done
443 return 1
444 }
445
446 set_default(){
447 for opt; do
448 eval : \${$opt:=\$${opt}_default}
449 done
450 }
451
452 is_in(){
453 value=$1
454 shift
455 for var in $*; do
456 [ $var = $value ] && return 0
457 done
458 return 1
459 }
460
461 check_deps(){
462 for cfg; do
463 cfg="${cfg#!}"
464 enabled ${cfg}_checking && die "Circular dependency for $cfg."
465 disabled ${cfg}_checking && continue
466 enable ${cfg}_checking
467
468 eval dep_all="\$${cfg}_deps"
469 eval dep_any="\$${cfg}_deps_any"
470 eval dep_sel="\$${cfg}_select"
471 eval dep_sgs="\$${cfg}_suggest"
472 eval dep_ifa="\$${cfg}_if"
473 eval dep_ifn="\$${cfg}_if_any"
474
475 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
476 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
477 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
478
479 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
480 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
481 enabled_all $dep_all || disable $cfg
482 enabled_any $dep_any || disable $cfg
483 disabled_any $dep_sel && disable $cfg
484
485 if enabled $cfg; then
486 eval dep_extralibs="\$${cfg}_extralibs"
487 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
488 enable_deep $dep_sel
489 enable_deep_weak $dep_sgs
490 fi
491
492 disable ${cfg}_checking
493 done
494 }
495
496 print_config(){
497 pfx=$1
498 header=$2
499 makefile=$3
500 shift 3
501 for cfg; do
502 ucname="$(toupper $cfg)"
503 if enabled $cfg; then
504 echo "#define ${pfx}${ucname} 1" >> $header
505 echo "${pfx}${ucname}=yes" >> $makefile
506 else
507 echo "#define ${pfx}${ucname} 0" >> $header
508 echo "!${pfx}${ucname}=yes" >> $makefile
509 fi
510 done
511 }
512
513 print_enabled(){
514 test "$1" = -n && end=" " && shift || end="\n"
515 suf=$1
516 shift
517 for v; do
518 enabled $v && printf "%s$end" ${v%$suf};
519 done
520 }
521
522 append(){
523 var=$1
524 shift
525 eval "$var=\"\$$var $*\""
526 }
527
528 prepend(){
529 var=$1
530 shift
531 eval "$var=\"$* \$$var\""
532 }
533
534 add_cppflags(){
535 append CPPFLAGS $($filter_cppflags "$@")
536 }
537
538 add_cflags(){
539 append CFLAGS $($filter_cflags "$@")
540 }
541
542 add_asflags(){
543 append ASFLAGS $($filter_asflags "$@")
544 }
545
546 add_ldflags(){
547 append LDFLAGS "$@"
548 }
549
550 add_extralibs(){
551 prepend extralibs "$@"
552 }
553
554 check_cmd(){
555 log "$@"
556 "$@" >> $logfile 2>&1
557 }
558
559 check_cc(){
560 log check_cc "$@"
561 cat > $TMPC
562 log_file $TMPC
563 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
564 }
565
566 check_cpp(){
567 log check_cpp "$@"
568 cat > $TMPC
569 log_file $TMPC
570 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
571 }
572
573 check_as(){
574 log check_as "$@"
575 cat > $TMPC
576 log_file $TMPC
577 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
578 }
579
580 check_asm(){
581 log check_asm "$@"
582 name="$1"
583 code="$2"
584 shift 2
585 disable $name
586 check_as "$@" <<EOF && enable $name
587 void foo(void){ __asm__ volatile($code); }
588 EOF
589 }
590
591 check_yasm(){
592 log check_yasm "$@"
593 echo "$1" > $TMPS
594 log_file $TMPS
595 shift 1
596 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
597 }
598
599 check_ld(){
600 log check_ld "$@"
601 flags=''
602 libs=''
603 for f; do
604 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
605 done
606 check_cc $($filter_cflags $flags) || return
607 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
608 }
609
610 check_cppflags(){
611 log check_cppflags "$@"
612 set -- $($filter_cppflags "$@")
613 check_cc "$@" <<EOF && append CPPFLAGS "$@"
614 int x;
615 EOF
616 }
617
618 check_cflags(){
619 log check_cflags "$@"
620 set -- $($filter_cflags "$@")
621 check_cc "$@" <<EOF && append CFLAGS "$@"
622 int x;
623 EOF
624 }
625
626 test_ldflags(){
627 log test_ldflags "$@"
628 check_ld "$@" <<EOF
629 int main(void){ return 0; }
630 EOF
631 }
632
633 check_ldflags(){
634 log check_ldflags "$@"
635 test_ldflags "$@" && add_ldflags "$@"
636 }
637
638 check_header(){
639 log check_header "$@"
640 header=$1
641 shift
642 disable_safe $header
643 check_cpp "$@" <<EOF && enable_safe $header
644 #include <$header>
645 int x;
646 EOF
647 }
648
649 check_func(){
650 log check_func "$@"
651 func=$1
652 shift
653 disable $func
654 check_ld "$@" <<EOF && enable $func
655 extern int $func();
656 int main(void){ $func(); }
657 EOF
658 }
659
660 check_mathfunc(){
661 log check_mathfunc "$@"
662 func=$1
663 shift
664 disable $func
665 check_ld "$@" <<EOF && enable $func
666 #include <math.h>
667 float foo(float f) { return $func(f); }
668 int main(void){ return 0; }
669 EOF
670 }
671
672 check_func_headers(){
673 log check_func_headers "$@"
674 headers=$1
675 func=$2
676 shift 2
677 disable $func
678 incs=""
679 for hdr in $headers; do
680 incs="$incs
681 #include <$hdr>"
682 done
683 check_ld "$@" <<EOF && enable $func && enable_safe $headers
684 $incs
685 int main(int argc, char **argv){
686 return (long) $func;
687 }
688 EOF
689 }
690
691 check_cpp_condition(){
692 log check_cpp_condition "$@"
693 header=$1
694 condition=$2
695 shift 2
696 check_cpp $($filter_cppflags "$@") <<EOF
697 #include <$header>
698 #if !($condition)
699 #error "unsatisfied condition: $condition"
700 #endif
701 EOF
702 }
703
704 check_lib(){
705 log check_lib "$@"
706 header="$1"
707 func="$2"
708 shift 2
709 check_header $header && check_func $func "$@" && add_extralibs "$@"
710 }
711
712 check_lib2(){
713 log check_lib2 "$@"
714 headers="$1"
715 func="$2"
716 shift 2
717 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
718 }
719
720 check_exec(){
721 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
722 }
723
724 check_exec_crash(){
725 code=$(cat)
726
727 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
728 # are safe but may not be available everywhere. Thus we use
729 # raise(SIGTERM) instead. The check is run in a subshell so we
730 # can redirect the "Terminated" message from the shell. SIGBUS
731 # is not defined by standard C so it is used conditionally.
732
733 (check_exec "$@") >> $logfile 2>&1 <<EOF
734 #include <signal.h>
735 static void sighandler(int sig){
736 raise(SIGTERM);
737 }
738 int main(void){
739 signal(SIGILL, sighandler);
740 signal(SIGFPE, sighandler);
741 signal(SIGSEGV, sighandler);
742 #ifdef SIGBUS
743 signal(SIGBUS, sighandler);
744 #endif
745 { $code }
746 }
747 EOF
748 }
749
750 check_type(){
751 log check_type "$@"
752 headers=$1
753 type=$2
754 shift 2
755 disable_safe "$type"
756 incs=""
757 for hdr in $headers; do
758 incs="$incs
759 #include <$hdr>"
760 done
761 check_cc "$@" <<EOF && enable_safe "$type"
762 $incs
763 $type v;
764 EOF
765 }
766
767 check_struct(){
768 log check_type "$@"
769 headers=$1
770 struct=$2
771 member=$3
772 shift 3
773 disable_safe "${struct}_${member}"
774 incs=""
775 for hdr in $headers; do
776 incs="$incs
777 #include <$hdr>"
778 done
779 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
780 $incs
781 const void *p = &(($struct *)0)->$member;
782 EOF
783 }
784
785 require(){
786 name="$1"
787 header="$2"
788 func="$3"
789 shift 3
790 check_lib $header $func "$@" || die "ERROR: $name not found"
791 }
792
793 require2(){
794 name="$1"
795 headers="$2"
796 func="$3"
797 shift 3
798 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
799 }
800
801 check_host_cc(){
802 log check_host_cc "$@"
803 cat > $TMPC
804 log_file $TMPC
805 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
806 }
807
808 check_host_cflags(){
809 log check_host_cflags "$@"
810 check_host_cc "$@" <<EOF && append host_cflags "$@"
811 int x;
812 EOF
813 }
814
815 apply(){
816 file=$1
817 shift
818 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
819 }
820
821 cp_if_changed(){
822 cmp -s "$1" "$2" &&
823 echo "$2 is unchanged" ||
824 cp -f "$1" "$2"
825 }
826
827 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
828 # system-dependent things.
829
830 COMPONENT_LIST="
831 bsfs
832 decoders
833 demuxers
834 encoders
835 filters
836 hwaccels
837 indevs
838 muxers
839 outdevs
840 parsers
841 protocols
842 "
843
844 CONFIG_LIST="
845 $COMPONENT_LIST
846 aandct
847 avcodec
848 avdevice
849 avfilter
850 avfilter_lavf
851 avformat
852 avisynth
853 bzlib
854 dct
855 doc
856 dwt
857 dxva2
858 fastdiv
859 ffmpeg
860 ffplay
861 ffprobe
862 ffserver
863 fft
864 golomb
865 gpl
866 gray
867 h264dsp
868 hardcoded_tables
869 libdc1394
870 libdirac
871 libfaac
872 libgsm
873 libmp3lame
874 libnut
875 libopencore_amrnb
876 libopencore_amrwb
877 libopenjpeg
878 librtmp
879 libschroedinger
880 libspeex
881 libtheora
882 libvorbis
883 libvpx
884 libx264
885 libxvid
886 lpc
887 lsp
888 mdct
889 memalign_hack
890 mlib
891 mpegaudio_hp
892 network
893 nonfree
894 pic
895 postproc
896 rdft
897 runtime_cpudetect
898 shared
899 small
900 sram
901 static
902 swscale
903 swscale_alpha
904 vaapi
905 vdpau
906 version3
907 x11grab
908 zlib
909 "
910
911 THREADS_LIST='
912 pthreads
913 w32threads
914 '
915
916 ARCH_LIST='
917 alpha
918 arm
919 avr32
920 avr32_ap
921 avr32_uc
922 bfin
923 ia64
924 m68k
925 mips
926 mips64
927 parisc
928 ppc
929 ppc64
930 s390
931 sh4
932 sparc
933 sparc64
934 tomi
935 x86
936 x86_32
937 x86_64
938 '
939
940 ARCH_EXT_LIST='
941 altivec
942 amd3dnow
943 amd3dnowext
944 armv5te
945 armv6
946 armv6t2
947 armvfp
948 iwmmxt
949 mmi
950 mmx
951 mmx2
952 neon
953 ppc4xx
954 sse
955 ssse3
956 vis
957 '
958
959 HAVE_LIST_PUB='
960 bigendian
961 fast_unaligned
962 '
963
964 HAVE_LIST="
965 $ARCH_EXT_LIST
966 $HAVE_LIST_PUB
967 $THREADS_LIST
968 alsa_asoundlib_h
969 altivec_h
970 arpa_inet_h
971 attribute_may_alias
972 attribute_packed
973 bswap
974 closesocket
975 cmov
976 conio_h
977 dcbzl
978 dev_bktr_ioctl_bt848_h
979 dev_bktr_ioctl_meteor_h
980 dev_ic_bt8xx_h
981 dev_video_meteor_ioctl_meteor_h
982 dev_video_bktr_ioctl_bt848_h
983 dlfcn_h
984 dlopen
985 dos_paths
986 ebp_available
987 ebx_available
988 exp2
989 exp2f
990 fast_64bit
991 fast_clz
992 fast_cmov
993 fcntl
994 fork
995 getaddrinfo
996 gethrtime
997 GetProcessMemoryInfo
998 GetProcessTimes
999 getrusage
1000 gnu_as
1001 struct_rusage_ru_maxrss
1002 ibm_asm
1003 inet_aton
1004 inline_asm
1005 isatty
1006 ldbrx
1007 libdc1394_1
1008 libdc1394_2
1009 llrint
1010 llrintf
1011 local_aligned_16
1012 local_aligned_8
1013 log2
1014 log2f
1015 loongson
1016 lrint
1017 lrintf
1018 lzo1x_999_compress
1019 machine_ioctl_bt848_h
1020 machine_ioctl_meteor_h
1021 malloc_h
1022 memalign
1023 mkstemp
1024 pld
1025 posix_memalign
1026 round
1027 roundf
1028 sdl
1029 sdl_video_size
1030 setmode
1031 socklen_t
1032 soundcard_h
1033 poll_h
1034 setrlimit
1035 strerror_r
1036 struct_addrinfo
1037 struct_ipv6_mreq
1038 struct_sockaddr_in6
1039 struct_sockaddr_sa_len
1040 struct_sockaddr_storage
1041 symver
1042 symver_gnu_asm
1043 symver_asm_label
1044 sys_mman_h
1045 sys_resource_h
1046 sys_select_h
1047 sys_soundcard_h
1048 sys_videoio_h
1049 ten_operands
1050 termios_h
1051 threads
1052 truncf
1053 vfp_args
1054 VirtualAlloc
1055 winsock2_h
1056 xform_asm
1057 yasm
1058 "
1059
1060 # options emitted with CONFIG_ prefix but not available on command line
1061 CONFIG_EXTRA="
1062 avutil
1063 gplv3
1064 lgplv3
1065 "
1066
1067 CMDLINE_SELECT="
1068 $ARCH_EXT_LIST
1069 $CONFIG_LIST
1070 $THREADS_LIST
1071 asm
1072 cross_compile
1073 debug
1074 extra_warnings
1075 logging
1076 optimizations
1077 stripping
1078 yasm
1079 "
1080
1081 PATHS_LIST='
1082 bindir
1083 datadir
1084 incdir
1085 libdir
1086 mandir
1087 prefix
1088 shlibdir
1089 '
1090
1091 CMDLINE_SET="
1092 $PATHS_LIST
1093 ar
1094 arch
1095 as
1096 build_suffix
1097 cc
1098 cpu
1099 cross_prefix
1100 dep_cc
1101 extra_version
1102 host_cc
1103 host_cflags
1104 host_ldflags
1105 host_libs
1106 host_os
1107 ld
1108 logfile
1109 malloc_prefix
1110 nm
1111 samples
1112 source_path
1113 strip
1114 sysinclude
1115 sysroot
1116 target_exec
1117 target_os
1118 target_path
1119 "
1120
1121 CMDLINE_APPEND="
1122 extra_cflags
1123 "
1124
1125 # code dependency declarations
1126
1127 # architecture extensions
1128
1129 armv5te_deps="arm"
1130 armv6_deps="arm"
1131 armv6t2_deps="arm"
1132 armvfp_deps="arm"
1133 iwmmxt_deps="arm"
1134 neon_deps="arm"
1135
1136 mmi_deps="mips"
1137
1138 altivec_deps="ppc"
1139 ppc4xx_deps="ppc"
1140
1141 vis_deps="sparc"
1142
1143 x86_64_suggest="cmov fast_cmov"
1144 amd3dnow_deps="mmx"
1145 amd3dnowext_deps="amd3dnow"
1146 mmx_deps="x86"
1147 mmx2_deps="mmx"
1148 sse_deps="mmx"
1149 ssse3_deps="sse"
1150
1151 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1152 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1153 fast_unaligned_if_any="armv6 ppc x86"
1154
1155 need_memalign="altivec neon sse"
1156 inline_asm_deps="!tms470"
1157
1158 symver_if_any="symver_asm_label symver_gnu_asm"
1159
1160 # subsystems
1161 dct_select="rdft"
1162 mdct_select="fft"
1163 rdft_select="fft"
1164
1165 # decoders / encoders / hardware accelerators
1166 aac_decoder_select="mdct rdft"
1167 aac_encoder_select="mdct"
1168 ac3_decoder_select="mdct ac3_parser"
1169 alac_encoder_select="lpc"
1170 amrnb_decoder_select="lsp"
1171 atrac1_decoder_select="mdct"
1172 atrac3_decoder_select="mdct"
1173 binkaudio_dct_decoder_select="mdct rdft dct"
1174 binkaudio_rdft_decoder_select="mdct rdft"
1175 cavs_decoder_select="golomb"
1176 cook_decoder_select="mdct"
1177 cscd_decoder_suggest="zlib"
1178 dca_decoder_select="mdct"
1179 dnxhd_encoder_select="aandct"
1180 dxa_decoder_select="zlib"
1181 eac3_decoder_select="ac3_decoder"
1182 eamad_decoder_select="aandct"
1183 eatgq_decoder_select="aandct"
1184 eatqi_decoder_select="aandct"
1185 ffv1_decoder_select="golomb"
1186 flac_decoder_select="golomb"
1187 flac_encoder_select="golomb lpc"
1188 flashsv_decoder_select="zlib"
1189 flashsv_encoder_select="zlib"
1190 flv_decoder_select="h263_decoder"
1191 flv_encoder_select="h263_encoder"
1192 h261_encoder_select="aandct"
1193 h263_decoder_select="h263_parser"
1194 h263_encoder_select="aandct"
1195 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1196 h263i_decoder_select="h263_decoder"
1197 h263p_encoder_select="h263_encoder"
1198 h264_decoder_select="golomb h264dsp"
1199 h264_dxva2_hwaccel_deps="dxva2api_h"
1200 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1201 h264_vaapi_hwaccel_select="vaapi"
1202 h264_vdpau_decoder_select="vdpau h264_decoder"
1203 imc_decoder_select="fft mdct"
1204 jpegls_decoder_select="golomb"
1205 jpegls_encoder_select="golomb"
1206 ljpeg_encoder_select="aandct"
1207 loco_decoder_select="golomb"
1208 mjpeg_encoder_select="aandct"
1209 mlp_decoder_select="mlp_parser"
1210 mp1float_decoder_select="dct"
1211 mp2float_decoder_select="dct"
1212 mp3adufloat_decoder_select="dct"
1213 mp3float_decoder_select="dct"
1214 mp3on4float_decoder_select="dct"
1215 mpeg1video_encoder_select="aandct"
1216 mpeg2video_encoder_select="aandct"
1217 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1218 mpeg4_encoder_select="h263_encoder"
1219 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1220 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1221 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1222 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1223 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1224 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1225 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1226 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1227 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1228 msmpeg4v1_decoder_select="h263_decoder"
1229 msmpeg4v1_encoder_select="h263_encoder"
1230 msmpeg4v2_decoder_select="h263_decoder"
1231 msmpeg4v2_encoder_select="h263_encoder"
1232 msmpeg4v3_decoder_select="h263_decoder"
1233 msmpeg4v3_encoder_select="h263_encoder"
1234 nellymoser_decoder_select="mdct"
1235 nellymoser_encoder_select="mdct"
1236 png_decoder_select="zlib"
1237 png_encoder_select="zlib"
1238 qcelp_decoder_select="lsp"
1239 qdm2_decoder_select="mdct rdft"
1240 ra_144_encoder_select="lpc"
1241 rv10_decoder_select="h263_decoder"
1242 rv10_encoder_select="h263_encoder"
1243 rv20_decoder_select="h263_decoder"
1244 rv20_encoder_select="h263_encoder"
1245 rv30_decoder_select="golomb h264dsp"
1246 rv40_decoder_select="golomb h264dsp"
1247 shorten_decoder_select="golomb"
1248 sipr_decoder_select="lsp"
1249 snow_decoder_select="dwt"
1250 snow_encoder_select="aandct dwt"
1251 sonic_decoder_select="golomb"
1252 sonic_encoder_select="golomb"
1253 sonic_ls_encoder_select="golomb"
1254 svq1_encoder_select="aandct"
1255 svq3_decoder_select="golomb h264dsp"
1256 svq3_decoder_suggest="zlib"
1257 theora_decoder_select="vp3_decoder"
1258 tiff_decoder_suggest="zlib"
1259 tiff_encoder_suggest="zlib"
1260 truehd_decoder_select="mlp_decoder"
1261 tscc_decoder_select="zlib"
1262 twinvq_decoder_select="mdct lsp"
1263 vc1_decoder_select="h263_decoder"
1264 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1265 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1266 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1267 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1268 vorbis_decoder_select="mdct"
1269 vorbis_encoder_select="mdct"
1270 vp6a_decoder_select="vp6_decoder"
1271 vp6f_decoder_select="vp6_decoder"
1272 vp8_decoder_select="h264dsp"
1273 wmapro_decoder_select="mdct"
1274 wmav1_decoder_select="mdct"
1275 wmav1_encoder_select="mdct"
1276 wmav2_decoder_select="mdct"
1277 wmav2_encoder_select="mdct"
1278 wmavoice_decoder_select="lsp rdft dct mdct"
1279 wmv1_decoder_select="h263_decoder"
1280 wmv1_encoder_select="h263_encoder"
1281 wmv2_decoder_select="h263_decoder"
1282 wmv2_encoder_select="h263_encoder"
1283 wmv3_decoder_select="vc1_decoder"
1284 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1285 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1286 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1287 zlib_decoder_select="zlib"
1288 zlib_encoder_select="zlib"
1289 zmbv_decoder_select="zlib"
1290 zmbv_encoder_select="zlib"
1291
1292 vaapi_deps="va_va_h"
1293 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1294
1295 # parsers
1296 h264_parser_select="golomb h264dsp"
1297
1298 # external libraries
1299 libdirac_decoder_deps="libdirac !libschroedinger"
1300 libdirac_encoder_deps="libdirac"
1301 libfaac_encoder_deps="libfaac"
1302 libgsm_decoder_deps="libgsm"
1303 libgsm_encoder_deps="libgsm"
1304 libgsm_ms_decoder_deps="libgsm"
1305 libgsm_ms_encoder_deps="libgsm"
1306 libmp3lame_encoder_deps="libmp3lame"
1307 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1308 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1309 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1310 libopenjpeg_decoder_deps="libopenjpeg"
1311 libschroedinger_decoder_deps="libschroedinger"
1312 libschroedinger_encoder_deps="libschroedinger"
1313 libspeex_decoder_deps="libspeex"
1314 libtheora_encoder_deps="libtheora"
1315 libvorbis_encoder_deps="libvorbis"
1316 libvpx_decoder_deps="libvpx"
1317 libvpx_encoder_deps="libvpx"
1318 libx264_encoder_deps="libx264"
1319 libxvid_encoder_deps="libxvid"
1320
1321 # demuxers / muxers
1322 ac3_demuxer_deps="ac3_parser"
1323 asf_stream_muxer_select="asf_muxer"
1324 avisynth_demuxer_deps="avisynth"
1325 dirac_demuxer_deps="dirac_parser"
1326 eac3_demuxer_select="ac3_parser"
1327 ipod_muxer_select="mov_muxer"
1328 libnut_demuxer_deps="libnut"
1329 libnut_muxer_deps="libnut"
1330 matroska_audio_muxer_select="matroska_muxer"
1331 matroska_demuxer_suggest="zlib bzlib"
1332 mov_demuxer_suggest="zlib"
1333 mp3_demuxer_deps="mpegaudio_parser"
1334 mp4_muxer_select="mov_muxer"
1335 mpegtsraw_demuxer_select="mpegts_demuxer"
1336 mxf_d10_muxer_select="mxf_muxer"
1337 ogg_demuxer_select="golomb"
1338 psp_muxer_select="mov_muxer"
1339 rtsp_demuxer_deps="sdp_demuxer"
1340 rtsp_muxer_deps="sdp_demuxer"
1341 rtsp_muxer_select="rtp_muxer"
1342 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1343 sdp_demuxer_select="asf_demuxer rm_demuxer"
1344 spdif_muxer_select="aac_parser"
1345 tg2_muxer_select="mov_muxer"
1346 tgp_muxer_select="mov_muxer"
1347 w64_demuxer_deps="wav_demuxer"
1348
1349 # indevs / outdevs
1350 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1351 alsa_indev_extralibs="-lasound"
1352 alsa_outdev_deps="alsa_asoundlib_h"
1353 alsa_outdev_extralibs="-lasound"
1354 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1355 dv1394_indev_deps="dv1394 dv_demuxer"
1356 jack_indev_deps="jack_jack_h"
1357 jack_indev_extralibs="-ljack"
1358 libdc1394_indev_deps="libdc1394"
1359 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1360 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1361 v4l_indev_deps="linux_videodev_h"
1362 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1363 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1364 vfwcap_indev_extralibs="-lavicap32"
1365 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1366 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1367
1368 # protocols
1369 gopher_protocol_deps="network"
1370 http_protocol_deps="network"
1371 http_protocol_select="tcp_protocol"
1372 mmst_protocol_deps="network"
1373 rtmp_protocol_select="tcp_protocol"
1374 rtp_protocol_select="udp_protocol"
1375 tcp_protocol_deps="network"
1376 udp_protocol_deps="network"
1377
1378 # filters
1379 movie_filter_deps="avfilter_lavf"
1380 avfilter_lavf_deps="avformat"
1381
1382 # libraries
1383 avdevice_deps="avcodec avformat"
1384 avformat_deps="avcodec"
1385
1386 # programs
1387 ffmpeg_deps="avcodec avformat swscale"
1388 ffmpeg_select="buffer_filter"
1389 ffplay_deps="avcodec avformat swscale sdl"
1390 ffplay_select="rdft"
1391 ffprobe_deps="avcodec avformat"
1392 ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1393 ffserver_extralibs='$ldl'
1394
1395 doc_deps="texi2html"
1396
1397 # tests
1398
1399 test_deps(){
1400 suf1=$1
1401 suf2=$2
1402 shift 2
1403 for v; do
1404 dep=${v%=*}
1405 tests=${v#*=}
1406 for name in ${tests}; do
1407 eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1408 done
1409 done
1410 }
1411
1412 test_deps _encoder _decoder \
1413 ac3 \
1414 adpcm_g726=g726 \
1415 adpcm_ima_qt \
1416 adpcm_ima_wav \
1417 adpcm_ms \
1418 adpcm_swf \
1419 adpcm_yamaha=adpcm_yam \
1420 alac \
1421 asv1 \
1422 asv2 \
1423 bmp \
1424 dnxhd="hdxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1425 dvvideo="dv dv50" \
1426 ffv1 \
1427 flac \
1428 flashsv \
1429 flv \
1430 gif \
1431 h261 \
1432 h263="h263 h263p" \
1433 huffyuv \
1434 jpegls \
1435 mjpeg="jpg mjpeg ljpeg" \
1436 mp2 \
1437 mpeg1video="mpeg mpeg1b" \
1438 mpeg2video="mpeg2 mpeg2thread" \
1439 mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc" \
1440 msmpeg4v1=msmpeg4 \
1441 msmpeg4v2 \
1442 pbm=pbmpipe \
1443 pcx \
1444 pgm="pgm pgmpipe" \
1445 ppm="ppm ppmpipe" \
1446 rawvideo="rgb yuv" \
1447 roq \
1448 rv10 \
1449 rv20 \
1450 sgi \
1451 snow="snow snowll" \
1452 svq1 \
1453 targa=tga \
1454 tiff \
1455 wmav1 \
1456 wmav2 \
1457 wmv1 \
1458 wmv2 \
1459
1460 test_deps _muxer _demuxer \
1461 aiff \
1462 pcm_alaw=alaw \
1463 asf \
1464 au \
1465 avi \
1466 dv=dv_fmt \
1467 ffm \
1468 flv=flv_fmt \
1469 gxf \
1470 matroska=mkv \
1471 mmf \
1472 mov \
1473 pcm_mulaw=mulaw \
1474 mxf \
1475 nut \
1476 ogg \
1477 rawvideo=pixfmt \
1478 rm \
1479 swf \
1480 mpegts=ts \
1481 voc \
1482 wav \
1483 yuv4mpegpipe=yuv4mpeg \
1484
1485 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1486
1487 # default parameters
1488
1489 logfile="config.log"
1490
1491 # installation paths
1492 prefix_default="/usr/local"
1493 bindir_default='${prefix}/bin'
1494 datadir_default='${prefix}/share/ffmpeg'
1495 incdir_default='${prefix}/include'
1496 libdir_default='${prefix}/lib'
1497 mandir_default='${prefix}/share/man'
1498 shlibdir_default="$libdir_default"
1499
1500 # toolchain
1501 ar_default="ar"
1502 cc_default="gcc"
1503 cc_version=\"unknown\"
1504 host_cc_default="gcc"
1505 ln_s="ln -sf"
1506 nm_default="nm"
1507 objformat="elf"
1508 ranlib="ranlib"
1509 strip_default="strip"
1510 yasmexe="yasm"
1511 nogas=":"
1512
1513 nm_opts='-g'
1514
1515 # machine
1516 arch_default=$(uname -m)
1517 cpu="generic"
1518
1519 # OS
1520 target_os_default=$(tolower $(uname -s))
1521 host_os=$target_os_default
1522
1523 # configurable options
1524 enable avcodec
1525 enable avdevice
1526 enable avfilter
1527 enable avformat
1528 enable avutil
1529 enable asm
1530 enable debug
1531 enable doc
1532 enable fastdiv
1533 enable ffmpeg
1534 enable ffplay
1535 enable ffprobe
1536 enable ffserver
1537 enable mpegaudio_hp
1538 enable network
1539 enable optimizations
1540 enable protocols
1541 enable static
1542 enable stripping
1543 enable swscale
1544 enable swscale_alpha
1545
1546 # build settings
1547 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1548 FFSERVERLDFLAGS=-Wl,-E
1549 LIBPREF="lib"
1550 LIBSUF=".a"
1551 FULLNAME='$(NAME)$(BUILDSUF)'
1552 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1553 SLIBPREF="lib"
1554 SLIBSUF=".so"
1555 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1556 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1557 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1558 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1559
1560 CC_O='-o $@'
1561
1562 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1563 host_libs='-lm'
1564
1565 target_path='$(CURDIR)'
1566
1567 # since the object filename is not given with the -MM flag, the compiler
1568 # is only able to print the basename, and we must add the path ourselves
1569 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1570 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1571
1572 # find source path
1573 source_path="$(dirname "$0")"
1574 enable source_path_used
1575 if test -f configure; then
1576 source_path="$(pwd)"
1577 disable source_path_used
1578 else
1579 source_path="$(cd "$source_path"; pwd)"
1580 echo "$source_path" | grep -q '[[:blank:]]' &&
1581 die "Out of tree builds are impossible with whitespace in source path."
1582 test -e "$source_path/config.h" &&
1583 die "Out of tree builds are impossible with config.h in source dir."
1584 fi
1585
1586 for v in "$@"; do
1587 r=${v#*=}
1588 l=${v%"$r"}
1589 r=$(sh_quote "$r")
1590 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1591 done
1592
1593 find_things(){
1594 thing=$1
1595 pattern=$2
1596 file=$source_path/$3
1597 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1598 }
1599
1600 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1601 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1602 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1603 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1604 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1605 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1606 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1607 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1608 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1609 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1610 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1611
1612 find_tests(){
1613 map 'echo ${v}_test' $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1614 }
1615
1616 ACODEC_TESTS=$(find_tests acodec)
1617 VCODEC_TESTS=$(find_tests vsynth1)
1618 LAVF_TESTS=$(find_tests lavf)
1619
1620 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1621
1622 for n in $COMPONENT_LIST; do
1623 v=$(toupper ${n%s})_LIST
1624 eval enable \$$v
1625 eval ${n}_if_any="\$$v"
1626 done
1627
1628 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS
1629
1630 die_unknown(){
1631 echo "Unknown option \"$1\"."
1632 echo "See $0 --help for available options."
1633 exit 1
1634 }
1635
1636 show_list() {
1637 suffix=_$1
1638 shift
1639 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1640 exit 0
1641 }
1642
1643 for opt do
1644 optval="${opt#*=}"
1645 case "$opt" in
1646 --extra-ldflags=*) add_ldflags $optval
1647 ;;
1648 --extra-libs=*) add_extralibs $optval
1649 ;;
1650 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1651 ;;
1652 --enable-debug=*) debuglevel="$optval"
1653 ;;
1654 --disable-everything)
1655 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1656 ;;
1657 --enable-*=*|--disable-*=*)
1658 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1659 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1660 eval list=\$$(toupper $thing)_LIST
1661 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1662 $action $(filter "$name" $list)
1663 ;;
1664 --enable-?*|--disable-?*)
1665 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1666 if is_in $option $COMPONENT_LIST; then
1667 test $action = disable && action=unset
1668 eval $action \$$(toupper ${option%s})_LIST
1669 elif is_in $option $CMDLINE_SELECT; then
1670 $action $option
1671 else
1672 die_unknown $opt
1673 fi
1674 ;;
1675 --list-*)
1676 NAME="${opt#--list-}"
1677 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1678 NAME=${NAME%s}
1679 eval show_list $NAME \$$(toupper $NAME)_LIST
1680 ;;
1681 --help|-h) show_help
1682 ;;
1683 *)
1684 optname="${opt%%=*}"
1685 optname="${optname#--}"
1686 optname=$(echo "$optname" | sed 's/-/_/g')
1687 if is_in $optname $CMDLINE_SET; then
1688 eval $optname='$optval'
1689 elif is_in $optname $CMDLINE_APPEND; then
1690 append $optname "$optval"
1691 else
1692 die_unknown $opt
1693 fi
1694 ;;
1695 esac
1696 done
1697
1698 disabled logging && logfile=/dev/null
1699
1700 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1701 set >> $logfile
1702
1703 test -n "$cross_prefix" && enable cross_compile
1704
1705 if enabled cross_compile; then
1706 test -n "$arch" && test -n "$target_os" ||
1707 die "Must specify target arch and OS when cross-compiling"
1708 fi
1709
1710 set_default arch target_os
1711
1712 ar_default="${cross_prefix}${ar_default}"
1713 cc_default="${cross_prefix}${cc_default}"
1714 nm_default="${cross_prefix}${nm_default}"
1715 ranlib="${cross_prefix}${ranlib}"
1716 strip_default="${cross_prefix}${strip_default}"
1717
1718 sysinclude_default="${sysroot}/usr/include"
1719
1720 set_default cc nm strip sysinclude
1721 enabled cross_compile || host_cc_default=$cc
1722 set_default host_cc
1723
1724 exesuf() {
1725 case $1 in
1726 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1727 esac
1728 }
1729
1730 EXESUF=$(exesuf $target_os)
1731 HOSTEXESUF=$(exesuf $host_os)
1732
1733 # set temporary file name
1734 : ${TMPDIR:=$TEMPDIR}
1735 : ${TMPDIR:=$TMP}
1736 : ${TMPDIR:=/tmp}
1737
1738 if ! check_cmd type mktemp; then
1739 # simple replacement for missing mktemp
1740 # NOT SAFE FOR GENERAL USE
1741 mktemp(){
1742 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1743 }
1744 fi
1745
1746 tmpfile(){
1747 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1748 (set -C; exec > $tmp) 2>/dev/null ||
1749 die "Unable to create temporary file in $TMPDIR."
1750 append TMPFILES $tmp
1751 eval $1=$tmp
1752 }
1753
1754 trap 'rm -f -- $TMPFILES' EXIT
1755 trap exit HUP INT TERM
1756
1757 tmpfile TMPC .c
1758 tmpfile TMPE $EXESUF
1759 tmpfile TMPH .h
1760 tmpfile TMPO .o
1761 tmpfile TMPS .S
1762 tmpfile TMPV .ver
1763 tmpfile TMPSH .sh
1764
1765 unset -f mktemp
1766
1767 # make sure we can execute files in $TMPDIR
1768 cat > $TMPSH 2>> $logfile <<EOF
1769 #! /bin/sh
1770 EOF
1771 chmod +x $TMPSH >> $logfile 2>&1
1772 if ! $TMPSH >> $logfile 2>&1; then
1773 cat <<EOF
1774 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1775 variable to another directory and make sure that it is not mounted noexec.
1776 EOF
1777 die "Sanity test failed."
1778 fi
1779
1780 filter_cflags=echo
1781 filter_cppflags=echo
1782 filter_asflags=echo
1783
1784 if $cc -v 2>&1 | grep -qi ^gcc; then
1785 cc_type=gcc
1786 cc_version=__VERSION__
1787 if ! $cc -dumpversion | grep -q '^2\.'; then
1788 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1789 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1790 fi
1791 speed_cflags='-O3'
1792 size_cflags='-Os'
1793 elif $cc --version 2>/dev/null | grep -q Intel; then
1794 cc_type=icc
1795 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1796 CC_DEPFLAGS='-MMD'
1797 AS_DEPFLAGS='-MMD'
1798 speed_cflags='-O3'
1799 size_cflags='-Os'
1800 noopt_cflags='-O1'
1801 elif $cc -v 2>&1 | grep -q xlc; then
1802 cc_type=xlc
1803 cc_version="AV_STRINGIFY(__IBMC__)"
1804 speed_cflags='-O5'
1805 size_cflags='-O5 -qcompact'
1806 elif $cc -V 2>/dev/null | grep -q Compaq; then
1807 cc_type=ccc
1808 cc_version="AV_STRINGIFY(__DECC_VER)"
1809 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1810 debuglevel=3
1811 add_ldflags -Wl,-z,now # calls to libots crash without this
1812 speed_cflags='-fast'
1813 size_cflags='-O1'
1814 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1815 test -d "$sysroot" || die "No valid sysroot specified."
1816 cc_type=armcc
1817 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1818 armcc_conf="$PWD/armcc.conf"
1819 $cc --arm_linux_configure \
1820 --arm_linux_config_file="$armcc_conf" \
1821 --configure_sysroot="$sysroot" \
1822 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1823 die "Error creating armcc configuration file."
1824 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1825 as_default="${cross_prefix}gcc"
1826 CC_DEPFLAGS='-MMD'
1827 AS_DEPFLAGS='-MMD'
1828 speed_cflags='-O3'
1829 size_cflags='-Os'
1830 elif $cc -version 2>/dev/null | grep -q TMS470; then
1831 cc_type=tms470
1832 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1833 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1834 CC_O='-fr=$(@D)'
1835 as_default="${cross_prefix}gcc"
1836 ld_default="${cross_prefix}gcc"
1837 TMPO=$(basename $TMPC .c).o
1838 append TMPFILES $TMPO
1839 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1840 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1841 AS_DEPFLAGS='-MMD'
1842 speed_cflags='-O3 -mf=5'
1843 size_cflags='-O3 -mf=2'
1844 filter_cflags=tms470_flags
1845 tms470_flags(){
1846 for flag; do
1847 case $flag in
1848 -march=*|-mcpu=*)
1849 case "${flag#*=}" in
1850 armv7-a|cortex-a*) echo -mv=7a8 ;;
1851 armv7-r|cortex-r*) echo -mv=7r4 ;;
1852 armv7-m|cortex-m*) echo -mv=7m3 ;;
1853 armv6*|arm11*) echo -mv=6 ;;
1854 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1855 echo -mv=5e ;;
1856 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1857 esac
1858 ;;
1859 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1860 -mfpu=vfp) echo --float_support=vfpv2 ;;
1861 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1862 -msoft-float) echo --float_support=vfplib ;;
1863 -O[0-3]|-mf=*) echo $flag ;;
1864 -g) echo -g -mn ;;
1865 -pds=*) echo $flag ;;
1866 esac
1867 done
1868 }
1869 elif $cc -v 2>&1 | grep -q clang; then
1870 cc_type=clang
1871 $cc -dM -E $TMPC | grep -q __clang_version__ &&
1872 cc_version=__clang_version__ || cc_version=__VERSION__
1873 CC_DEPFLAGS='-MMD'
1874 AS_DEPFLAGS='-MMD'
1875 speed_cflags='-O3'
1876 size_cflags='-Os'
1877 elif $cc -V 2>&1 | grep -q Sun; then
1878 cc_type=suncc
1879 cc_version="AV_STRINGIFY(__SUNPRO_C)"
1880 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1881 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1882 speed_cflags='-O5'
1883 size_cflags='-O5 -xspace'
1884 filter_cflags=suncc_flags
1885 suncc_flags(){
1886 for flag; do
1887 case $flag in
1888 -march=*|-mcpu=*)
1889 case "${flag#*=}" in
1890 native) echo -xtarget=native ;;
1891 v9|niagara) echo -xarch=sparc ;;
1892 ultrasparc) echo -xarch=sparcvis ;;
1893 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
1894 i586|pentium) echo -xchip=pentium ;;
1895 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1896 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1897 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1898 pentium4*) echo -xtarget=pentium4 ;;
1899 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1900 *-sse3) echo -xarch=sse3 ;;
1901 core2) echo -xarch=ssse3 -xchip=core2 ;;
1902 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1903 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1904 k8|opteron|athlon64|athlon-fx)
1905 echo -xarch=sse2a ;;
1906 athlon*) echo -xarch=pentium_proa ;;
1907 esac
1908 ;;
1909 -std=c99) echo -xc99 ;;
1910 -fomit-frame-pointer) echo -xregs=frameptr ;;
1911 -fPIC) echo -KPIC -xcode=pic32 ;;
1912 -W*,*) echo $flag ;;
1913 -f*-*|-W*) ;;
1914 *) echo $flag ;;
1915 esac
1916 done
1917 }
1918 fi
1919
1920 test -n "$cc_type" && enable $cc_type ||
1921 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
1922
1923 : ${as_default:=$cc}
1924 : ${dep_cc_default:=$cc}
1925 : ${ld_default:=$cc}
1926 set_default ar as dep_cc ld
1927
1928 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1929 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1930
1931 add_cflags $extra_cflags
1932 add_asflags $extra_cflags
1933
1934 if test -n "$sysroot"; then
1935 case "$cc_type" in
1936 gcc)
1937 add_cppflags --sysroot="$sysroot"
1938 add_ldflags --sysroot="$sysroot"
1939 ;;
1940 tms470)
1941 add_cppflags -I"$sysinclude"
1942 add_ldflags --sysroot="$sysroot"
1943 ;;
1944 clang)
1945 add_cppflags -isysroot "$sysroot"
1946 add_ldflags -isysroot "$sysroot"
1947 ;;
1948 esac
1949 fi
1950
1951 if test "$cpu" = host; then
1952 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1953
1954 case "$cc_type" in
1955 gcc)
1956 check_native(){
1957 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1958 sed -n "/$1=/{
1959 s/.*$1=\\([^ ]*\\).*/\\1/
1960 p
1961 q
1962 }" $TMPE
1963 }
1964 cpu=$(check_native -march || check_native -mcpu)
1965 ;;
1966 esac
1967
1968 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1969 fi
1970
1971 # Deal with common $arch aliases
1972 case "$arch" in
1973 arm*)
1974 arch="arm"
1975 ;;
1976 mips|mipsel|IP*)
1977 arch="mips"
1978 ;;
1979 mips64*)
1980 arch="mips"
1981 subarch="mips64"
1982 ;;
1983 parisc|hppa)
1984 arch="parisc"
1985 ;;
1986 parisc64|hppa64)
1987 arch="parisc"
1988 subarch="parisc64"
1989 ;;
1990 "Power Macintosh"|ppc|powerpc)
1991 arch="ppc"
1992 ;;
1993 ppc64|powerpc64)
1994 arch="ppc"
1995 subarch="ppc64"
1996 ;;
1997 s390|s390x)
1998 arch="s390"
1999 ;;
2000 sh4|sh)
2001 arch="sh4"
2002 ;;
2003 sun4u|sparc64)
2004 arch="sparc"
2005 subarch="sparc64"
2006 ;;
2007 i[3-6]86|i86pc|BePC|x86_64|amd64)
2008 arch="x86"
2009 ;;
2010 esac
2011
2012 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2013 enable $arch
2014
2015 # Add processor-specific flags
2016 if test "$cpu" = generic; then
2017 : do nothing
2018 elif enabled ppc; then
2019
2020 case $(tolower $cpu) in
2021 601|ppc601|powerpc601)
2022 cpuflags="-mcpu=601"
2023 disable altivec
2024 ;;
2025 603*|ppc603*|powerpc603*)
2026 cpuflags="-mcpu=603"
2027 disable altivec
2028 ;;
2029 604*|ppc604*|powerpc604*)
2030 cpuflags="-mcpu=604"
2031 disable altivec
2032 ;;
2033 g3|75*|ppc75*|powerpc75*)
2034 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2035 disable altivec
2036 ;;
2037 g4|745*|ppc745*|powerpc745*)
2038 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2039 ;;
2040 74*|ppc74*|powerpc74*)
2041 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2042 ;;
2043 g5|970|ppc970|powerpc970|power4*)
2044 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2045 ;;
2046 cell)
2047 cpuflags="-mcpu=cell"
2048 enable ldbrx
2049 ;;
2050 e500v2)
2051 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2052 disable altivec
2053 ;;
2054 e500)
2055 cpuflags="-mcpu=8540 -mhard-float"
2056 disable altivec
2057 ;;
2058 esac
2059
2060 elif enabled x86; then
2061
2062 case $cpu in
2063 i[345]86|pentium)
2064 cpuflags="-march=$cpu"
2065 disable mmx
2066 ;;
2067 # targets that do NOT support conditional mov (cmov)
2068 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2069 cpuflags="-march=$cpu"
2070 disable cmov
2071 ;;
2072 # targets that do support conditional mov (cmov)
2073 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona)
2074 cpuflags="-march=$cpu"
2075 enable cmov
2076 enable fast_cmov
2077 ;;
2078 # targets that do support conditional mov but on which it's slow
2079 pentium4|pentium4m|prescott|nocona)
2080 cpuflags="-march=$cpu"
2081 enable cmov
2082 disable fast_cmov
2083 ;;
2084 esac
2085
2086 elif enabled sparc; then
2087
2088 case $cpu in
2089 niagara)
2090 cpuflags="-mcpu=$cpu"
2091 disable vis
2092 ;;
2093 sparc64)
2094 cpuflags="-mcpu=v9"
2095 ;;
2096 esac
2097
2098 elif enabled arm; then
2099
2100 case $cpu in
2101 armv*)
2102 cpuflags="-march=$cpu"
2103 ;;
2104 *)
2105 cpuflags="-mcpu=$cpu"
2106 ;;
2107 esac
2108
2109 elif enabled alpha; then
2110
2111 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2112
2113 elif enabled bfin; then
2114
2115 cpuflags="-mcpu=$cpu"
2116
2117 elif enabled mips; then
2118
2119 cpuflags="-march=$cpu"
2120
2121 elif enabled avr32; then
2122
2123 case $cpu in
2124 ap7[02]0[0-2])
2125 subarch="avr32_ap"
2126 cpuflags="-mpart=$cpu"
2127 ;;
2128 ap)
2129 subarch="avr32_ap"
2130 cpuflags="-march=$cpu"
2131 ;;
2132 uc3[ab]*)
2133 subarch="avr32_uc"
2134 cpuflags="-mcpu=$cpu"
2135 ;;
2136 uc)
2137 subarch="avr32_uc"
2138 cpuflags="-march=$cpu"
2139 ;;
2140 esac
2141
2142 fi
2143
2144 add_cflags $cpuflags
2145 add_asflags $cpuflags
2146
2147 # compiler sanity check
2148 check_exec <<EOF
2149 int main(void){ return 0; }
2150 EOF
2151 if test "$?" != 0; then
2152 echo "$cc is unable to create an executable file."
2153 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2154 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2155 echo "Only do this if you know what cross compiling means."
2156 fi
2157 die "C compiler test failed."
2158 fi
2159
2160 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2161 check_cflags -std=c99
2162 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2163 #include <stdlib.h>
2164 EOF
2165 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2166 #include <stdlib.h>
2167 EOF
2168
2169 check_host_cflags -std=c99
2170
2171 case "$arch" in
2172 alpha|ia64|mips|parisc|sparc)
2173 spic=$shared
2174 ;;
2175 x86)
2176 subarch="x86_32"
2177 check_cc <<EOF && subarch="x86_64"
2178 int test[(int)sizeof(char*) - 7];
2179 EOF
2180 if test "$subarch" = "x86_64"; then
2181 spic=$shared
2182 fi
2183 ;;
2184 esac
2185
2186 enable $subarch
2187 enabled spic && enable pic
2188
2189 # OS specific
2190 case $target_os in
2191 haiku)
2192 prefix_default="/boot/common"
2193 network_extralibs="-lnetwork"
2194 ;;
2195 sunos)
2196 FFSERVERLDFLAGS=""
2197 SHFLAGS='-shared -Wl,-h,$$(@F)'
2198 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2199 network_extralibs="-lsocket -lnsl"
2200 add_cppflags -D__EXTENSIONS__
2201 nm_opts='-P -g'
2202 ;;
2203 netbsd)
2204 oss_indev_extralibs="-lossaudio"
2205 oss_outdev_extralibs="-lossaudio"
2206 add_cppflags -D_XOPEN_SOURCE=600
2207 ;;
2208 openbsd)
2209 enable malloc_aligned
2210 # On OpenBSD 4.5. the compiler does not use PIC unless
2211 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2212 # however the generated executable will not do anything
2213 # (simply quits with exit-code 1, no crash, no output).
2214 # Thus explicitly enable PIC here.
2215 enable pic
2216 SHFLAGS='-shared'
2217 oss_indev_extralibs="-lossaudio"
2218 oss_outdev_extralibs="-lossaudio"
2219 ;;
2220 freebsd|dragonfly)
2221 enable malloc_aligned
2222 ;;
2223 bsd/os)
2224 add_extralibs -lpoll -lgnugetopt
2225 strip="strip -d"
2226 ;;
2227 darwin)
2228 enable malloc_aligned
2229 gas="gas-preprocessor.pl $cc"
2230 enabled ppc && add_asflags -force_cpusubtype_ALL
2231 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2232 strip="${strip} -x"
2233 add_ldflags -Wl,-dynamic,-search_paths_first
2234 SLIBSUF=".dylib"
2235 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2236 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2237 FFSERVERLDFLAGS=-Wl,-bind_at_load
2238 objformat="macho"
2239 enabled x86_64 && objformat="macho64"
2240 enabled_any pic shared ||
2241 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2242 ;;
2243 mingw32*)
2244 if test $target_os = "mingw32ce"; then
2245 disable network
2246 else
2247 target_os=mingw32
2248 fi
2249 LIBTARGET=i386
2250 if enabled x86_64; then
2251 enable malloc_aligned
2252 LIBTARGET=x64
2253 elif enabled arm; then
2254 LIBTARGET=arm
2255 fi
2256 shlibdir_default="$bindir_default"
2257 disable ffserver
2258 SLIBPREF=""
2259 SLIBSUF=".dll"
2260 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2261 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2262 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2263 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2264 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2265 install -d "$(LIBDIR)"; \
2266 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2267 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2268 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2269 objformat="win32"
2270 enable dos_paths
2271 check_cflags -fno-common
2272 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2273 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2274 die "ERROR: MinGW runtime version must be >= 3.15."
2275 ;;
2276 cygwin*)
2277 target_os=cygwin
2278 shlibdir_default="$bindir_default"
2279 SLIBPREF="cyg"
2280 SLIBSUF=".dll"
2281 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2282 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2283 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2284 objformat="win32"
2285 enable dos_paths
2286 check_cflags -fno-common
2287 ;;
2288 *-dos|freedos|opendos)
2289 disable ffplay ffserver
2290 disable $INDEV_LIST $OUTDEV_LIST
2291 network_extralibs="-lsocket"
2292 objformat="coff"
2293 enable dos_paths
2294 ;;
2295 linux)
2296 enable dv1394
2297 ;;
2298 irix*)
2299 target_os=irix
2300 ranlib="echo ignoring ranlib"
2301 ;;
2302 os/2*)
2303 strip="lxlite"
2304 ln_s="cp -f"
2305 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2306 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2307 FFSERVERLDFLAGS=""
2308 LIBSUF="_s.a"
2309 SLIBPREF=""
2310 SLIBSUF=".dll"
2311 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2312 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2313 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2314 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2315 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2316 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2317 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2318 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2319 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2320 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2321 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2322 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2323 enable dos_paths
2324 ;;
2325 gnu/kfreebsd)
2326 ;;
2327 gnu)
2328 ;;
2329 none)
2330 ;;
2331 *)
2332 die "Unknown OS '$target_os'."
2333 ;;
2334 esac
2335
2336 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2337
2338 set_default $PATHS_LIST
2339
2340 # we need to build at least one lib type
2341 if ! enabled_any static shared; then
2342 cat <<EOF
2343 At least one library type must be built.
2344 Specify --enable-static to build the static libraries or --enable-shared to
2345 build the shared libraries as well. To only build the shared libraries specify
2346 --disable-static in addition to --enable-shared.
2347 EOF
2348 exit 1;
2349 fi
2350
2351 disabled static && LIBNAME=""
2352
2353 die_license_disabled() {
2354 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2355 }
2356
2357 die_license_disabled gpl libx264
2358 die_license_disabled gpl libxvid
2359 die_license_disabled gpl postproc
2360 die_license_disabled gpl x11grab
2361
2362 die_license_disabled nonfree libfaac
2363
2364 die_license_disabled version3 libopencore_amrnb
2365 die_license_disabled version3 libopencore_amrwb
2366
2367 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2368
2369 check_deps $ARCH_EXT_LIST
2370
2371 disabled optimizations || check_cflags -fomit-frame-pointer
2372
2373 enable_pic() {
2374 enable pic
2375 add_cppflags -DPIC
2376 add_cflags -fPIC
2377 add_asflags -fPIC
2378 }
2379
2380 enabled pic && enable_pic
2381
2382 check_cc <<EOF || die "Symbol mangling check failed."
2383 int ff_extern;
2384 EOF
2385 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2386 extern_prefix=${sym%%ff_extern*}
2387
2388 check_cc <<EOF && enable inline_asm
2389 void foo(void) { __asm__ volatile ("" ::); }
2390 EOF
2391
2392 _restrict=
2393 for restrict_keyword in restrict __restrict__ __restrict; do
2394 check_cc <<EOF && _restrict=$restrict_keyword && break
2395 void foo(char * $restrict_keyword p);
2396 EOF
2397 done
2398
2399 check_cc <<EOF && enable attribute_packed
2400 struct { int x; } __attribute__((packed)) x;
2401 EOF
2402
2403 check_cc <<EOF && enable attribute_may_alias
2404 union { int x; } __attribute__((may_alias)) x;
2405 EOF
2406
2407 check_cc <<EOF || die "endian test failed"
2408 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2409 EOF
2410 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2411
2412 if enabled alpha; then
2413
2414 check_cflags -mieee
2415
2416 elif enabled arm; then
2417
2418 check_cflags -marm
2419 nogas=die
2420
2421 check_ld <<EOF && enable vfp_args
2422 __asm__ (".eabi_attribute 28, 1");
2423 int main(void) { return 0; }
2424 EOF
2425
2426 # We have to check if pld is a nop and disable it.
2427 check_asm pld '"pld [r0]"'
2428
2429 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2430 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2431 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2432 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2433 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2434 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2435
2436 enabled_all armv6t2 shared !pic && enable_pic
2437
2438 elif enabled mips; then
2439
2440 check_asm loongson '"dmult.g $1, $2, $3"'
2441 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2442
2443 elif enabled ppc; then
2444
2445 enable local_aligned_8 local_aligned_16
2446
2447 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2448 check_asm ibm_asm '"add 0, 0, 0"'
2449 check_asm ppc4xx '"maclhw r10, r11, r12"'
2450 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2451
2452 # AltiVec flags: The FSF version of GCC differs from the Apple version
2453 if enabled altivec; then
2454 nogas=warn
2455 check_cflags -maltivec -mabi=altivec &&
2456 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2457 check_cflags -faltivec
2458
2459 # check if our compiler supports Motorola AltiVec C API
2460 check_cc <<EOF || disable altivec
2461 $inc_altivec_h
2462 int main(void) {
2463 vector signed int v1, v2, v3;
2464 v1 = vec_add(v2,v3);
2465 return 0;
2466 }
2467 EOF
2468
2469 # check if our compiler supports braces for vector declarations
2470 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2471 $inc_altivec_h
2472 int main (void) { (vector int) {1}; return 0; }
2473 EOF
2474 fi
2475
2476 elif enabled sparc; then
2477
2478 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2479 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2480
2481 elif enabled x86; then
2482
2483 enable local_aligned_8 local_aligned_16
2484
2485 # check whether EBP is available on x86
2486 # As 'i' is stored on the stack, this program will crash
2487 # if the base pointer is used to access it because the
2488 # base pointer is cleared in the inline assembly code.
2489 check_exec_crash <<EOF && enable ebp_available
2490 volatile int i=0;
2491 __asm__ volatile (
2492 "xorl %%ebp, %%ebp"
2493 ::: "%ebp");
2494 return i;
2495 EOF
2496
2497 # check whether EBX is available on x86
2498 check_asm ebx_available '""::"b"(0)' &&
2499 check_asm ebx_available '"":::"%ebx"'
2500
2501 # check whether more than 10 operands are supported
2502 check_cc <<EOF && enable ten_operands
2503 int main(void) {
2504 int x=0;
2505 __asm__ volatile(
2506 ""
2507 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2508 );
2509 return 0;
2510 }
2511 EOF
2512
2513 # check whether binutils is new enough to compile SSSE3/MMX2
2514 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2515 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2516
2517 check_asm bswap '"bswap %%eax" ::: "%eax"'
2518
2519 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2520 enabled x86_64 && append YASMFLAGS "-m amd64"
2521 enabled pic && append YASMFLAGS "-DPIC"
2522 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2523 case "$objformat" in
2524 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2525 esac
2526 if ! disabled yasm; then
2527 check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2528 warn "yasm not found, performance will suffer"
2529 fi
2530
2531 case "$cpu" in
2532 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2533 disable fast_clz
2534 ;;
2535 esac
2536
2537 fi
2538
2539 if enabled asm; then
2540 as=${gas:=$as}
2541 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2542 $nogas "GNU assembler not found, install gas-preprocessor"
2543 fi
2544
2545 if check_func dlopen; then
2546 ldl=
2547 elif check_func dlopen -ldl; then
2548 ldl=-ldl
2549 fi
2550
2551 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2552 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2553
2554 check_func fcntl
2555 check_func fork
2556 check_func getaddrinfo $network_extralibs
2557 check_func gethrtime
2558 check_func getrusage
2559 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2560 check_func inet_aton $network_extralibs
2561 check_func isatty
2562 check_func ${malloc_prefix}memalign && enable memalign
2563 check_func mkstemp
2564 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2565 check_func setrlimit
2566 check_func strerror_r
2567 check_func_headers io.h setmode
2568 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2569 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2570 check_func_headers windows.h GetProcessTimes
2571 check_func_headers windows.h VirtualAlloc
2572
2573 check_header conio.h
2574 check_header dlfcn.h
2575 check_header dxva2api.h
2576 check_header malloc.h
2577 check_header poll.h
2578 check_header sys/mman.h
2579 check_header sys/resource.h
2580 check_header sys/select.h
2581 check_header termios.h
2582 check_header vdpau/vdpau.h
2583 check_header vdpau/vdpau_x11.h
2584 check_header X11/extensions/XvMClib.h
2585
2586 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2587
2588 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2589 enabled_any $need_memalign ; then
2590 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2591 fi
2592
2593 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2594 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2595
2596 # check for some common methods of building with pthread support
2597 # do this before the optional library checks as some of them require pthreads
2598 if ! disabled pthreads && ! enabled w32threads; then
2599 enable pthreads
2600 if check_func pthread_create; then
2601 :
2602 elif check_func pthread_create -pthread; then
2603 add_cflags -pthread
2604 add_extralibs -pthread
2605 elif check_func pthread_create -pthreads; then
2606 add_cflags -pthreads
2607 add_extralibs -pthreads
2608 elif check_func pthread_create -lpthreadGC2; then
2609 add_extralibs -lpthreadGC2
2610 elif ! check_lib pthread.h pthread_create -lpthread; then
2611 disable pthreads
2612 fi
2613 fi
2614
2615 for thread in $THREADS_LIST; do
2616 if enabled $thread; then
2617 test -n "$thread_type" &&
2618 die "ERROR: Only one thread type must be selected." ||
2619 thread_type="$thread"
2620 fi
2621 done
2622
2623 check_lib math.h sin -lm
2624 disabled vaapi || check_lib va/va.h vaInitialize -lva
2625
2626 check_mathfunc exp2
2627 check_mathfunc exp2f
2628 check_mathfunc llrint
2629 check_mathfunc llrintf
2630 check_mathfunc log2
2631 check_mathfunc log2f
2632 check_mathfunc lrint
2633 check_mathfunc lrintf
2634 check_mathfunc round
2635 check_mathfunc roundf
2636 check_mathfunc truncf
2637
2638 # these are off by default, so fail if requested and not available
2639 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2640 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2641 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2642 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2643 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2644 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2645 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame
2646 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2647 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2648 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2649 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2650 enabled librtmp && { check_lib librtmp/rtmp.h RTMP_Socket $(pkg-config --libs librtmp) ||
2651 die "ERROR: librtmp not found or RTMP_Socket() missing, librtmp version must be >= 2.2.f"; }
2652 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2653 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2654 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2655 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2656 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2657 enabled libvpx && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx &&
2658 check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2659 die "ERROR: libvpx version must be >=0.9.1"; }
2660 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2661 { check_cpp_condition x264.h "X264_BUILD >= 98" ||
2662 die "ERROR: libx264 version must be >= 0.98."; }
2663 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2664 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2665
2666 # libdc1394 check
2667 if enabled libdc1394; then
2668 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2669 enable libdc1394_2; } ||
2670 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2671 enable libdc1394_1; } ||
2672 die "ERROR: No version of libdc1394 found "
2673 fi
2674
2675 SDL_CONFIG="${cross_prefix}sdl-config"
2676 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2677 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2678 sdl_libs=$("${SDL_CONFIG}" --libs)
2679 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2680 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2681 enable sdl &&
2682 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2683 fi
2684
2685 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2686
2687 if enabled network; then
2688 check_type "sys/types.h sys/socket.h" socklen_t
2689 check_type netdb.h "struct addrinfo"
2690 check_type netinet/in.h "struct ipv6_mreq"
2691 check_type netinet/in.h "struct sockaddr_in6"
2692 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2693 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2694 # Prefer arpa/inet.h over winsock2
2695 if check_header arpa/inet.h ; then
2696 check_func closesocket
2697 elif check_header winsock2.h ; then
2698 check_func_headers winsock2.h closesocket -lws2 && \
2699 network_extralibs="-lws2" || \
2700 { check_func_headers winsock2.h closesocket -lws2_32 && \
2701 network_extralibs="-lws2_32"; }
2702 check_type ws2tcpip.h socklen_t
2703 check_type ws2tcpip.h "struct addrinfo"
2704 check_type ws2tcpip.h "struct ipv6_mreq"
2705 check_type ws2tcpip.h "struct sockaddr_in6"
2706 check_type ws2tcpip.h "struct sockaddr_storage"
2707 check_struct winsock2.h "struct sockaddr" sa_len
2708 else
2709 disable network
2710 fi
2711 fi
2712
2713 check_header linux/videodev.h
2714 check_header linux/videodev2.h
2715 check_header sys/videoio.h
2716
2717 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2718 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2719 # w32api 3.12 had it defined wrong
2720 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2721
2722 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2723 { check_header dev/bktr/ioctl_meteor.h &&
2724 check_header dev/bktr/ioctl_bt848.h; } ||
2725 { check_header machine/ioctl_meteor.h &&
2726 check_header machine/ioctl_bt848.h; } ||
2727 { check_header dev/video/meteor/ioctl_meteor.h &&
2728 check_header dev/video/bktr/ioctl_bt848.h; } ||
2729 check_header dev/ic/bt8xx.h
2730
2731 check_header sys/soundcard.h
2732 check_header soundcard.h
2733
2734 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2735
2736 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2737
2738 enabled x11grab &&
2739 check_header X11/Xlib.h &&
2740 check_header X11/extensions/XShm.h &&
2741 check_header X11/extensions/Xfixes.h &&
2742 check_func XOpenDisplay -lX11 &&
2743 check_func XShmCreateImage -lX11 -lXext &&
2744 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2745
2746 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2747 check_cpp_condition \
2748 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2749 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2750 disable vdpau; }
2751 fi
2752
2753 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2754
2755 # add some useful compiler flags if supported
2756 check_cflags -Wdeclaration-after-statement
2757 check_cflags -Wall
2758 check_cflags -Wno-switch
2759 check_cflags -Wdisabled-optimization
2760 check_cflags -Wpointer-arith
2761 check_cflags -Wredundant-decls
2762 check_cflags -Wno-pointer-sign
2763 check_cflags -Wcast-qual
2764 check_cflags -Wwrite-strings
2765 check_cflags -Wtype-limits
2766 check_cflags -Wundef
2767 check_cflags -Wmissing-prototypes
2768 enabled extra_warnings && check_cflags -Winline
2769
2770 # add some linker flags
2771 check_ldflags -Wl,--warn-common
2772 check_ldflags -Wl,--as-needed
2773 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'
2774 check_ldflags -Wl,-Bsymbolic
2775
2776 echo "X{};" > $TMPV
2777 if test_ldflags -Wl,--version-script,$TMPV; then
2778 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2779 check_cc <<EOF && enable symver_asm_label
2780 void ff_foo(void) __asm__ ("av_foo@VERSION");
2781 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2782 EOF
2783 check_cc <<EOF && enable symver_gnu_asm
2784 __asm__(".symver ff_foo,av_foo@VERSION");
2785 void ff_foo(void) {}
2786 EOF
2787 fi
2788
2789 if enabled small; then
2790 add_cflags $size_cflags
2791 optimizations="small"
2792 elif enabled optimizations; then
2793 add_cflags $speed_cflags
2794 else
2795 add_cflags $noopt_cflags
2796 fi
2797 check_cflags -fno-math-errno
2798 check_cflags -fno-signed-zeros
2799
2800 if enabled icc; then
2801 # Just warnings, no remarks
2802 check_cflags -w1
2803 # -wd: Disable following warnings
2804 # 144, 167, 556: -Wno-pointer-sign
2805 # 10006: ignoring unknown option -fno-signed-zeros
2806 # 10156: ignoring option '-W'; no argument required
2807 check_cflags -wd144,167,556,10006,10156
2808 # 11030: Warning unknown option --as-needed
2809 # 10156: ignoring option '-export'; no argument required
2810 check_ldflags -wd10156,11030
2811 # Allow to compile with optimizations
2812 check_ldflags -march=$cpu
2813 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2814 enable ebp_available
2815 elif enabled ccc; then
2816 # disable some annoying warnings
2817 add_cflags -msg_disable cvtu32to64
2818 add_cflags -msg_disable embedcomment
2819 add_cflags -msg_disable needconstext
2820 add_cflags -msg_disable nomainieee
2821 add_cflags -msg_disable ptrmismatch1
2822 add_cflags -msg_disable unreachcode
2823 elif enabled gcc; then
2824 check_cflags -fno-tree-vectorize
2825 check_cflags -Werror=implicit-function-declaration
2826 check_cflags -Werror=missing-prototypes
2827 elif enabled clang; then
2828 check_cflags -Qunused-arguments
2829 elif enabled armcc; then
2830 # 2523: use of inline assembler is deprecated
2831 add_cflags -Wrvct,--diag_suppress=2523
2832 add_cflags -Wrvct,--diag_suppress=1207
2833 elif enabled tms470; then
2834 add_cflags -pds=824 -pds=837
2835 fi
2836
2837 enabled_any $THREADS_LIST && enable threads
2838
2839 check_deps $CONFIG_LIST \
2840 $CONFIG_EXTRA \
2841 $HAVE_LIST \
2842 $DECODER_LIST \
2843 $ENCODER_LIST \
2844 $HWACCEL_LIST \
2845 $PARSER_LIST \
2846 $BSF_LIST \
2847 $DEMUXER_LIST \
2848 $MUXER_LIST \
2849 $FILTER_LIST \
2850 $INDEV_LIST \
2851 $OUTDEV_LIST \
2852 $PROTOCOL_LIST \
2853 $ACODEC_TESTS \
2854 $VCODEC_TESTS \
2855 $LAVF_TESTS \
2856
2857 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
2858
2859 echo "install prefix $prefix"
2860 echo "source path $source_path"
2861 echo "C compiler $cc"
2862 echo "ARCH $arch ($cpu)"
2863 if test "$build_suffix" != ""; then
2864 echo "build suffix $build_suffix"
2865 fi
2866 if test "$extra_version" != ""; then
2867 echo "version string suffix $extra_version"
2868 fi
2869 echo "big-endian ${bigendian-no}"
2870 echo "runtime cpu detection ${runtime_cpudetect-no}"
2871 if enabled x86; then
2872 echo "yasm ${yasm-no}"
2873 echo "MMX enabled ${mmx-no}"
2874 echo "MMX2 enabled ${mmx2-no}"
2875 echo "3DNow! enabled ${amd3dnow-no}"
2876 echo "3DNow! extended enabled ${amd3dnowext-no}"
2877 echo "SSE enabled ${sse-no}"
2878 echo "SSSE3 enabled ${ssse3-no}"
2879 echo "CMOV enabled ${cmov-no}"
2880 echo "CMOV is fast ${fast_cmov-no}"
2881 echo "EBX available ${ebx_available-no}"
2882 echo "EBP available ${ebp_available-no}"
2883 echo "10 operands supported ${ten_operands-no}"
2884 fi
2885 if enabled arm; then
2886 echo "ARMv5TE enabled ${armv5te-no}"
2887 echo "ARMv6 enabled ${armv6-no}"
2888 echo "ARMv6T2 enabled ${armv6t2-no}"
2889 echo "ARM VFP enabled ${armvfp-no}"
2890 echo "IWMMXT enabled ${iwmmxt-no}"
2891 echo "NEON enabled ${neon-no}"
2892 fi
2893 if enabled mips; then
2894 echo "MMI enabled ${mmi-no}"
2895 fi
2896 if enabled ppc; then
2897 echo "AltiVec enabled ${altivec-no}"
2898 echo "PPC 4xx optimizations ${ppc4xx-no}"
2899 echo "dcbzl available ${dcbzl-no}"
2900 fi
2901 if enabled sparc; then
2902 echo "VIS enabled ${vis-no}"
2903 fi
2904 echo "debug symbols ${debug-no}"
2905 echo "strip symbols ${stripping-no}"
2906 echo "optimizations ${optimizations-no}"
2907 echo "static ${static-no}"
2908 echo "shared ${shared-no}"
2909 echo "postprocessing support ${postproc-no}"
2910 echo "new filter support ${avfilter-no}"
2911 echo "filters using lavformat ${avfilter_lavf-no}"
2912 echo "network support ${network-no}"
2913 echo "threading support ${thread_type-no}"
2914 echo "SDL support ${sdl-no}"
2915 echo "Sun medialib support ${mlib-no}"
2916 echo "AVISynth enabled ${avisynth-no}"
2917 echo "libdc1394 support ${libdc1394-no}"
2918 echo "libdirac enabled ${libdirac-no}"
2919 echo "libfaac enabled ${libfaac-no}"
2920 echo "libgsm enabled ${libgsm-no}"
2921 echo "libmp3lame enabled ${libmp3lame-no}"
2922 echo "libnut enabled ${libnut-no}"
2923 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2924 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2925 echo "libopenjpeg enabled ${libopenjpeg-no}"
2926 echo "librtmp enabled ${librtmp-no}"
2927 echo "libschroedinger enabled ${libschroedinger-no}"
2928 echo "libspeex enabled ${libspeex-no}"
2929 echo "libtheora enabled ${libtheora-no}"
2930 echo "libvorbis enabled ${libvorbis-no}"
2931 echo "libvpx enabled ${libvpx-no}"
2932 echo "libx264 enabled ${libx264-no}"
2933 echo "libxvid enabled ${libxvid-no}"
2934 echo "zlib enabled ${zlib-no}"
2935 echo "bzlib enabled ${bzlib-no}"
2936 echo
2937
2938 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2939 echo "Enabled ${type}s:"
2940 eval list=\$$(toupper $type)_LIST
2941 print_enabled '_*' $list | sort | pr -3 -t
2942 echo
2943 done
2944
2945 license="LGPL version 2.1 or later"
2946 if enabled nonfree; then
2947 license="nonfree and unredistributable"
2948 elif enabled gplv3; then
2949 license="GPL version 3 or later"
2950 elif enabled lgplv3; then
2951 license="LGPL version 3 or later"
2952 elif enabled gpl; then
2953 license="GPL version 2 or later"
2954 fi
2955
2956 echo "License: $license"
2957
2958 echo "Creating config.mak and config.h..."
2959
2960 # build tree in object directory if source path is different from current one
2961 if enabled source_path_used; then
2962 DIRS="
2963 doc
2964 libavcodec
2965 libavcodec/$arch
2966 libavdevice
2967 libavfilter
2968 libavformat
2969 libavutil
2970 libavutil/$arch
2971 libpostproc
2972 libswscale
2973 libswscale/$arch
2974 tests
2975 tools
2976 "
2977 FILES="
2978 Makefile
2979 common.mak
2980 subdir.mak
2981 doc/texi2pod.pl
2982 libavcodec/Makefile
2983 libavcodec/${arch}/Makefile
2984 libavdevice/Makefile
2985 libavfilter/Makefile
2986 libavformat/Makefile
2987 libavutil/Makefile
2988 libpostproc/Makefile
2989 libswscale/Makefile
2990 "
2991 map 'mkdir -p $v' $DIRS;
2992 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
2993 fi
2994
2995 enabled stripping || strip="echo skipping strip"
2996
2997 cat > config.mak <<EOF
2998 # Automatically generated by configure - do not modify!
2999 ifndef FFMPEG_CONFIG_MAK
3000 FFMPEG_CONFIG_MAK=1
3001 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3002 prefix=$prefix
3003 LIBDIR=\$(DESTDIR)$libdir
3004 SHLIBDIR=\$(DESTDIR)$shlibdir
3005 INCDIR=\$(DESTDIR)$incdir
3006 BINDIR=\$(DESTDIR)$bindir
3007 DATADIR=\$(DESTDIR)$datadir
3008 MANDIR=\$(DESTDIR)$mandir
3009 SRC_PATH="$source_path"
3010 SRC_PATH_BARE=$source_path
3011 BUILD_ROOT="$PWD"
3012 ARCH=$arch
3013 CC=$cc
3014 AS=$as
3015 LD=$ld
3016 DEPCC=$dep_cc
3017 YASM=$yasmexe
3018 YASMDEP=$yasmexe
3019 AR=$ar
3020 RANLIB=$ranlib
3021 CP=cp -p
3022 LN_S=$ln_s
3023 STRIP=$strip
3024 CPPFLAGS=$CPPFLAGS
3025 CFLAGS=$CFLAGS
3026 ASFLAGS=$ASFLAGS
3027 CC_O=$CC_O
3028 LDFLAGS=$LDFLAGS
3029 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3030 SHFLAGS=$SHFLAGS
3031 YASMFLAGS=$YASMFLAGS
3032 BUILDSUF=$build_suffix
3033 FULLNAME=$FULLNAME
3034 LIBPREF=$LIBPREF
3035 LIBSUF=$LIBSUF
3036 LIBNAME=$LIBNAME
3037 SLIBPREF=$SLIBPREF
3038 SLIBSUF=$SLIBSUF
3039 EXESUF=$EXESUF
3040 EXTRA_VERSION=$extra_version
3041 DEPFLAGS=$DEPFLAGS
3042 CCDEP=$CCDEP
3043 ASDEP=$ASDEP
3044 CC_DEPFLAGS=$CC_DEPFLAGS
3045 AS_DEPFLAGS=$AS_DEPFLAGS
3046 HOSTCC=$host_cc
3047 HOSTCFLAGS=$host_cflags
3048 HOSTEXESUF=$HOSTEXESUF
3049 HOSTLDFLAGS=$host_ldflags
3050 HOSTLIBS=$host_libs
3051 TARGET_EXEC=$target_exec
3052 TARGET_PATH=$target_path
3053 SDL_LIBS=$sdl_libs
3054 SDL_CFLAGS=$sdl_cflags
3055 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3056 EXTRALIBS=$extralibs
3057 INSTALL=install
3058 LIBTARGET=${LIBTARGET}
3059 SLIBNAME=${SLIBNAME}
3060 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3061 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3062 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3063 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3064 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3065 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3066 SAMPLES=$samples
3067 EOF
3068
3069 get_version(){
3070 name=$1
3071 file=$source_path/$2
3072 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3073 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3074 lcname=$(tolower $name)
3075 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3076 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3077 }
3078
3079 get_version LIBSWSCALE libswscale/swscale.h
3080 get_version LIBPOSTPROC libpostproc/postprocess.h
3081 get_version LIBAVCODEC libavcodec/avcodec.h
3082 get_version LIBAVDEVICE libavdevice/avdevice.h
3083 get_version LIBAVFORMAT libavformat/avformat.h
3084 get_version LIBAVUTIL libavutil/avutil.h
3085 get_version LIBAVFILTER libavfilter/avfilter.h
3086
3087 cat > $TMPH <<EOF
3088 /* Automatically generated by configure - do not modify! */
3089 #ifndef FFMPEG_CONFIG_H
3090 #define FFMPEG_CONFIG_H
3091 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3092 #define FFMPEG_LICENSE "$(c_escape $license)"
3093 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3094 #define CC_TYPE "$cc_type"
3095 #define CC_VERSION $cc_version
3096 #define restrict $_restrict
3097 #define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
3098 #define EXTERN_PREFIX "${extern_prefix}"
3099 #define EXTERN_ASM ${extern_prefix}
3100 EOF
3101
3102 test -n "$malloc_prefix" &&
3103 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3104
3105 if enabled small || disabled optimizations; then
3106 echo "#undef av_always_inline" >> $TMPH
3107 echo "#define av_always_inline" >> $TMPH
3108 fi
3109
3110 print_config ARCH_ $TMPH config.mak $ARCH_LIST
3111 print_config HAVE_ $TMPH config.mak $HAVE_LIST
3112 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
3113 $CONFIG_EXTRA \
3114 $DECODER_LIST \
3115 $ENCODER_LIST \
3116 $HWACCEL_LIST \
3117 $PARSER_LIST \
3118 $BSF_LIST \
3119 $DEMUXER_LIST \
3120 $MUXER_LIST \
3121 $FILTER_LIST \
3122 $PROTOCOL_LIST \
3123 $INDEV_LIST \
3124 $OUTDEV_LIST \
3125
3126 cat >>config.mak <<EOF
3127 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3128 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3129 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3130 EOF
3131
3132 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3133 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3134
3135 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3136 cp_if_changed $TMPH config.h
3137
3138 cat > $TMPH <<EOF
3139 /* Generated by ffconf */
3140 #ifndef AVUTIL_AVCONFIG_H
3141 #define AVUTIL_AVCONFIG_H
3142 EOF
3143
3144 print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3145
3146 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3147
3148 cp_if_changed $TMPH libavutil/avconfig.h
3149
3150 test -n "$WARNINGS" && printf "\n$WARNINGS"
3151
3152 # build pkg-config files
3153
3154 pkgconfig_generate(){
3155 name=$1
3156 shortname=${name#lib}${build_suffix}
3157 comment=$2
3158 version=$3
3159 libs=$4
3160 requires=$5
3161 cat <<EOF > $name/$name.pc
3162 prefix=$prefix
3163 exec_prefix=\${prefix}
3164 libdir=$libdir
3165 includedir=$incdir
3166
3167 Name: $name
3168 Description: $comment
3169 Version: $version
3170 Requires: $(enabled shared || echo $requires)
3171 Requires.private: $(enabled shared && echo $requires)
3172 Conflicts:
3173 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3174 Libs.private: $(enabled shared && echo $libs)
3175 Cflags: -I\${includedir}
3176 EOF
3177 cat <<EOF > $name/$name-uninstalled.pc
3178 prefix=
3179 exec_prefix=
3180 libdir=\${pcfiledir}
3181 includedir=${source_path}
3182
3183 Name: $name
3184 Description: $comment
3185 Version: $version
3186 Requires: $requires
3187 Conflicts:
3188 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3189 Cflags: -I\${includedir}
3190 EOF
3191 }
3192
3193 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3194 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3195 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3196 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3197 enabled avfilter &&
3198 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3199 enabled postproc &&
3200 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3201 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"