Lego Mindstorms RSO muxer and demuxer.
[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 msmpeg4v3=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 pixdesc_be_test_deps="bigendian"
1487 pixdesc_le_test_deps="!bigendian"
1488
1489 # default parameters
1490
1491 logfile="config.log"
1492
1493 # installation paths
1494 prefix_default="/usr/local"
1495 bindir_default='${prefix}/bin'
1496 datadir_default='${prefix}/share/ffmpeg'
1497 incdir_default='${prefix}/include'
1498 libdir_default='${prefix}/lib'
1499 mandir_default='${prefix}/share/man'
1500 shlibdir_default="$libdir_default"
1501
1502 # toolchain
1503 ar_default="ar"
1504 cc_default="gcc"
1505 cc_version=\"unknown\"
1506 host_cc_default="gcc"
1507 ln_s="ln -sf"
1508 nm_default="nm"
1509 objformat="elf"
1510 ranlib="ranlib"
1511 strip_default="strip"
1512 yasmexe="yasm"
1513 nogas=":"
1514
1515 nm_opts='-g'
1516
1517 # machine
1518 arch_default=$(uname -m)
1519 cpu="generic"
1520
1521 # OS
1522 target_os_default=$(tolower $(uname -s))
1523 host_os=$target_os_default
1524
1525 # configurable options
1526 enable avcodec
1527 enable avdevice
1528 enable avfilter
1529 enable avformat
1530 enable avutil
1531 enable asm
1532 enable debug
1533 enable doc
1534 enable fastdiv
1535 enable ffmpeg
1536 enable ffplay
1537 enable ffprobe
1538 enable ffserver
1539 enable mpegaudio_hp
1540 enable network
1541 enable optimizations
1542 enable protocols
1543 enable static
1544 enable stripping
1545 enable swscale
1546 enable swscale_alpha
1547
1548 # build settings
1549 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1550 FFSERVERLDFLAGS=-Wl,-E
1551 LIBPREF="lib"
1552 LIBSUF=".a"
1553 FULLNAME='$(NAME)$(BUILDSUF)'
1554 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1555 SLIBPREF="lib"
1556 SLIBSUF=".so"
1557 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1558 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1559 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1560 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1561
1562 CC_O='-o $@'
1563
1564 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1565 host_libs='-lm'
1566
1567 target_path='$(CURDIR)'
1568
1569 # since the object filename is not given with the -MM flag, the compiler
1570 # is only able to print the basename, and we must add the path ourselves
1571 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1572 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1573
1574 # find source path
1575 source_path="$(dirname "$0")"
1576 enable source_path_used
1577 if test -f configure; then
1578 source_path="$(pwd)"
1579 disable source_path_used
1580 else
1581 source_path="$(cd "$source_path"; pwd)"
1582 echo "$source_path" | grep -q '[[:blank:]]' &&
1583 die "Out of tree builds are impossible with whitespace in source path."
1584 test -e "$source_path/config.h" &&
1585 die "Out of tree builds are impossible with config.h in source dir."
1586 fi
1587
1588 for v in "$@"; do
1589 r=${v#*=}
1590 l=${v%"$r"}
1591 r=$(sh_quote "$r")
1592 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1593 done
1594
1595 find_things(){
1596 thing=$1
1597 pattern=$2
1598 file=$source_path/$3
1599 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1600 }
1601
1602 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1603 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1604 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1605 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1606 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1607 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1608 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1609 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1610 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1611 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1612 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1613
1614 find_tests(){
1615 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1616 }
1617
1618 ACODEC_TESTS=$(find_tests acodec)
1619 VCODEC_TESTS=$(find_tests vsynth1)
1620 LAVF_TESTS=$(find_tests lavf)
1621 LAVFI_TESTS=$(find_tests lavfi)
1622 SEEK_TESTS=$(find_tests seek seek_)
1623
1624 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1625
1626 for n in $COMPONENT_LIST; do
1627 v=$(toupper ${n%s})_LIST
1628 eval enable \$$v
1629 eval ${n}_if_any="\$$v"
1630 done
1631
1632 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1633
1634 die_unknown(){
1635 echo "Unknown option \"$1\"."
1636 echo "See $0 --help for available options."
1637 exit 1
1638 }
1639
1640 show_list() {
1641 suffix=_$1
1642 shift
1643 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1644 exit 0
1645 }
1646
1647 for opt do
1648 optval="${opt#*=}"
1649 case "$opt" in
1650 --extra-ldflags=*) add_ldflags $optval
1651 ;;
1652 --extra-libs=*) add_extralibs $optval
1653 ;;
1654 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1655 ;;
1656 --enable-debug=*) debuglevel="$optval"
1657 ;;
1658 --disable-everything)
1659 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1660 ;;
1661 --enable-*=*|--disable-*=*)
1662 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1663 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1664 eval list=\$$(toupper $thing)_LIST
1665 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1666 $action $(filter "$name" $list)
1667 ;;
1668 --enable-?*|--disable-?*)
1669 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1670 if is_in $option $COMPONENT_LIST; then
1671 test $action = disable && action=unset
1672 eval $action \$$(toupper ${option%s})_LIST
1673 elif is_in $option $CMDLINE_SELECT; then
1674 $action $option
1675 else
1676 die_unknown $opt
1677 fi
1678 ;;
1679 --list-*)
1680 NAME="${opt#--list-}"
1681 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1682 NAME=${NAME%s}
1683 eval show_list $NAME \$$(toupper $NAME)_LIST
1684 ;;
1685 --help|-h) show_help
1686 ;;
1687 *)
1688 optname="${opt%%=*}"
1689 optname="${optname#--}"
1690 optname=$(echo "$optname" | sed 's/-/_/g')
1691 if is_in $optname $CMDLINE_SET; then
1692 eval $optname='$optval'
1693 elif is_in $optname $CMDLINE_APPEND; then
1694 append $optname "$optval"
1695 else
1696 die_unknown $opt
1697 fi
1698 ;;
1699 esac
1700 done
1701
1702 disabled logging && logfile=/dev/null
1703
1704 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1705 set >> $logfile
1706
1707 test -n "$cross_prefix" && enable cross_compile
1708
1709 if enabled cross_compile; then
1710 test -n "$arch" && test -n "$target_os" ||
1711 die "Must specify target arch and OS when cross-compiling"
1712 fi
1713
1714 set_default arch target_os
1715
1716 ar_default="${cross_prefix}${ar_default}"
1717 cc_default="${cross_prefix}${cc_default}"
1718 nm_default="${cross_prefix}${nm_default}"
1719 ranlib="${cross_prefix}${ranlib}"
1720 strip_default="${cross_prefix}${strip_default}"
1721
1722 sysinclude_default="${sysroot}/usr/include"
1723
1724 set_default cc nm strip sysinclude
1725 enabled cross_compile || host_cc_default=$cc
1726 set_default host_cc
1727
1728 exesuf() {
1729 case $1 in
1730 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1731 esac
1732 }
1733
1734 EXESUF=$(exesuf $target_os)
1735 HOSTEXESUF=$(exesuf $host_os)
1736
1737 # set temporary file name
1738 : ${TMPDIR:=$TEMPDIR}
1739 : ${TMPDIR:=$TMP}
1740 : ${TMPDIR:=/tmp}
1741
1742 if ! check_cmd type mktemp; then
1743 # simple replacement for missing mktemp
1744 # NOT SAFE FOR GENERAL USE
1745 mktemp(){
1746 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1747 }
1748 fi
1749
1750 tmpfile(){
1751 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1752 (set -C; exec > $tmp) 2>/dev/null ||
1753 die "Unable to create temporary file in $TMPDIR."
1754 append TMPFILES $tmp
1755 eval $1=$tmp
1756 }
1757
1758 trap 'rm -f -- $TMPFILES' EXIT
1759 trap exit HUP INT TERM
1760
1761 tmpfile TMPC .c
1762 tmpfile TMPE $EXESUF
1763 tmpfile TMPH .h
1764 tmpfile TMPO .o
1765 tmpfile TMPS .S
1766 tmpfile TMPV .ver
1767 tmpfile TMPSH .sh
1768
1769 unset -f mktemp
1770
1771 # make sure we can execute files in $TMPDIR
1772 cat > $TMPSH 2>> $logfile <<EOF
1773 #! /bin/sh
1774 EOF
1775 chmod +x $TMPSH >> $logfile 2>&1
1776 if ! $TMPSH >> $logfile 2>&1; then
1777 cat <<EOF
1778 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1779 variable to another directory and make sure that it is not mounted noexec.
1780 EOF
1781 die "Sanity test failed."
1782 fi
1783
1784 filter_cflags=echo
1785 filter_cppflags=echo
1786 filter_asflags=echo
1787
1788 if $cc -v 2>&1 | grep -qi ^gcc; then
1789 cc_type=gcc
1790 cc_version=__VERSION__
1791 if ! $cc -dumpversion | grep -q '^2\.'; then
1792 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1793 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1794 fi
1795 speed_cflags='-O3'
1796 size_cflags='-Os'
1797 elif $cc --version 2>/dev/null | grep -q Intel; then
1798 cc_type=icc
1799 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1800 CC_DEPFLAGS='-MMD'
1801 AS_DEPFLAGS='-MMD'
1802 speed_cflags='-O3'
1803 size_cflags='-Os'
1804 noopt_cflags='-O1'
1805 elif $cc -v 2>&1 | grep -q xlc; then
1806 cc_type=xlc
1807 cc_version="AV_STRINGIFY(__IBMC__)"
1808 speed_cflags='-O5'
1809 size_cflags='-O5 -qcompact'
1810 elif $cc -V 2>/dev/null | grep -q Compaq; then
1811 cc_type=ccc
1812 cc_version="AV_STRINGIFY(__DECC_VER)"
1813 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1814 debuglevel=3
1815 add_ldflags -Wl,-z,now # calls to libots crash without this
1816 speed_cflags='-fast'
1817 size_cflags='-O1'
1818 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1819 test -d "$sysroot" || die "No valid sysroot specified."
1820 cc_type=armcc
1821 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1822 armcc_conf="$PWD/armcc.conf"
1823 $cc --arm_linux_configure \
1824 --arm_linux_config_file="$armcc_conf" \
1825 --configure_sysroot="$sysroot" \
1826 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1827 die "Error creating armcc configuration file."
1828 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1829 as_default="${cross_prefix}gcc"
1830 CC_DEPFLAGS='-MMD'
1831 AS_DEPFLAGS='-MMD'
1832 speed_cflags='-O3'
1833 size_cflags='-Os'
1834 elif $cc -version 2>/dev/null | grep -q TMS470; then
1835 cc_type=tms470
1836 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1837 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1838 CC_O='-fr=$(@D)'
1839 as_default="${cross_prefix}gcc"
1840 ld_default="${cross_prefix}gcc"
1841 TMPO=$(basename $TMPC .c).o
1842 append TMPFILES $TMPO
1843 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1844 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1845 AS_DEPFLAGS='-MMD'
1846 speed_cflags='-O3 -mf=5'
1847 size_cflags='-O3 -mf=2'
1848 filter_cflags=tms470_flags
1849 tms470_flags(){
1850 for flag; do
1851 case $flag in
1852 -march=*|-mcpu=*)
1853 case "${flag#*=}" in
1854 armv7-a|cortex-a*) echo -mv=7a8 ;;
1855 armv7-r|cortex-r*) echo -mv=7r4 ;;
1856 armv7-m|cortex-m*) echo -mv=7m3 ;;
1857 armv6*|arm11*) echo -mv=6 ;;
1858 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1859 echo -mv=5e ;;
1860 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1861 esac
1862 ;;
1863 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1864 -mfpu=vfp) echo --float_support=vfpv2 ;;
1865 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1866 -msoft-float) echo --float_support=vfplib ;;
1867 -O[0-3]|-mf=*) echo $flag ;;
1868 -g) echo -g -mn ;;
1869 -pds=*) echo $flag ;;
1870 esac
1871 done
1872 }
1873 elif $cc -v 2>&1 | grep -q clang; then
1874 cc_type=clang
1875 $cc -dM -E $TMPC | grep -q __clang_version__ &&
1876 cc_version=__clang_version__ || cc_version=__VERSION__
1877 CC_DEPFLAGS='-MMD'
1878 AS_DEPFLAGS='-MMD'
1879 speed_cflags='-O3'
1880 size_cflags='-Os'
1881 elif $cc -V 2>&1 | grep -q Sun; then
1882 cc_type=suncc
1883 cc_version="AV_STRINGIFY(__SUNPRO_C)"
1884 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1885 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1886 speed_cflags='-O5'
1887 size_cflags='-O5 -xspace'
1888 filter_cflags=suncc_flags
1889 suncc_flags(){
1890 for flag; do
1891 case $flag in
1892 -march=*|-mcpu=*)
1893 case "${flag#*=}" in
1894 native) echo -xtarget=native ;;
1895 v9|niagara) echo -xarch=sparc ;;
1896 ultrasparc) echo -xarch=sparcvis ;;
1897 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
1898 i586|pentium) echo -xchip=pentium ;;
1899 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1900 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1901 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1902 pentium4*) echo -xtarget=pentium4 ;;
1903 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1904 *-sse3) echo -xarch=sse3 ;;
1905 core2) echo -xarch=ssse3 -xchip=core2 ;;
1906 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1907 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1908 k8|opteron|athlon64|athlon-fx)
1909 echo -xarch=sse2a ;;
1910 athlon*) echo -xarch=pentium_proa ;;
1911 esac
1912 ;;
1913 -std=c99) echo -xc99 ;;
1914 -fomit-frame-pointer) echo -xregs=frameptr ;;
1915 -fPIC) echo -KPIC -xcode=pic32 ;;
1916 -W*,*) echo $flag ;;
1917 -f*-*|-W*) ;;
1918 *) echo $flag ;;
1919 esac
1920 done
1921 }
1922 fi
1923
1924 test -n "$cc_type" && enable $cc_type ||
1925 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
1926
1927 : ${as_default:=$cc}
1928 : ${dep_cc_default:=$cc}
1929 : ${ld_default:=$cc}
1930 set_default ar as dep_cc ld
1931
1932 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1933 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1934
1935 add_cflags $extra_cflags
1936 add_asflags $extra_cflags
1937
1938 if test -n "$sysroot"; then
1939 case "$cc_type" in
1940 gcc)
1941 add_cppflags --sysroot="$sysroot"
1942 add_ldflags --sysroot="$sysroot"
1943 ;;
1944 tms470)
1945 add_cppflags -I"$sysinclude"
1946 add_ldflags --sysroot="$sysroot"
1947 ;;
1948 clang)
1949 add_cppflags -isysroot "$sysroot"
1950 add_ldflags -isysroot "$sysroot"
1951 ;;
1952 esac
1953 fi
1954
1955 if test "$cpu" = host; then
1956 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1957
1958 case "$cc_type" in
1959 gcc)
1960 check_native(){
1961 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1962 sed -n "/$1=/{
1963 s/.*$1=\\([^ ]*\\).*/\\1/
1964 p
1965 q
1966 }" $TMPE
1967 }
1968 cpu=$(check_native -march || check_native -mcpu)
1969 ;;
1970 esac
1971
1972 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1973 fi
1974
1975 # Deal with common $arch aliases
1976 case "$arch" in
1977 arm*)
1978 arch="arm"
1979 ;;
1980 mips|mipsel|IP*)
1981 arch="mips"
1982 ;;
1983 mips64*)
1984 arch="mips"
1985 subarch="mips64"
1986 ;;
1987 parisc|hppa)
1988 arch="parisc"
1989 ;;
1990 parisc64|hppa64)
1991 arch="parisc"
1992 subarch="parisc64"
1993 ;;
1994 "Power Macintosh"|ppc|powerpc)
1995 arch="ppc"
1996 ;;
1997 ppc64|powerpc64)
1998 arch="ppc"
1999 subarch="ppc64"
2000 ;;
2001 s390|s390x)
2002 arch="s390"
2003 ;;
2004 sh4|sh)
2005 arch="sh4"
2006 ;;
2007 sun4u|sparc64)
2008 arch="sparc"
2009 subarch="sparc64"
2010 ;;
2011 i[3-6]86|i86pc|BePC|x86_64|amd64)
2012 arch="x86"
2013 ;;
2014 esac
2015
2016 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2017 enable $arch
2018
2019 # Add processor-specific flags
2020 if test "$cpu" = generic; then
2021 : do nothing
2022 elif enabled ppc; then
2023
2024 case $(tolower $cpu) in
2025 601|ppc601|powerpc601)
2026 cpuflags="-mcpu=601"
2027 disable altivec
2028 ;;
2029 603*|ppc603*|powerpc603*)
2030 cpuflags="-mcpu=603"
2031 disable altivec
2032 ;;
2033 604*|ppc604*|powerpc604*)
2034 cpuflags="-mcpu=604"
2035 disable altivec
2036 ;;
2037 g3|75*|ppc75*|powerpc75*)
2038 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2039 disable altivec
2040 ;;
2041 g4|745*|ppc745*|powerpc745*)
2042 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2043 ;;
2044 74*|ppc74*|powerpc74*)
2045 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2046 ;;
2047 g5|970|ppc970|powerpc970|power4*)
2048 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2049 ;;
2050 cell)
2051 cpuflags="-mcpu=cell"
2052 enable ldbrx
2053 ;;
2054 e500v2)
2055 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2056 disable altivec
2057 ;;
2058 e500)
2059 cpuflags="-mcpu=8540 -mhard-float"
2060 disable altivec
2061 ;;
2062 esac
2063
2064 elif enabled x86; then
2065
2066 case $cpu in
2067 i[345]86|pentium)
2068 cpuflags="-march=$cpu"
2069 disable mmx
2070 ;;
2071 # targets that do NOT support conditional mov (cmov)
2072 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2073 cpuflags="-march=$cpu"
2074 disable cmov
2075 ;;
2076 # targets that do support conditional mov (cmov)
2077 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona)
2078 cpuflags="-march=$cpu"
2079 enable cmov
2080 enable fast_cmov
2081 ;;
2082 # targets that do support conditional mov but on which it's slow
2083 pentium4|pentium4m|prescott|nocona)
2084 cpuflags="-march=$cpu"
2085 enable cmov
2086 disable fast_cmov
2087 ;;
2088 esac
2089
2090 elif enabled sparc; then
2091
2092 case $cpu in
2093 niagara)
2094 cpuflags="-mcpu=$cpu"
2095 disable vis
2096 ;;
2097 sparc64)
2098 cpuflags="-mcpu=v9"
2099 ;;
2100 esac
2101
2102 elif enabled arm; then
2103
2104 case $cpu in
2105 armv*)
2106 cpuflags="-march=$cpu"
2107 ;;
2108 *)
2109 cpuflags="-mcpu=$cpu"
2110 ;;
2111 esac
2112
2113 elif enabled alpha; then
2114
2115 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2116
2117 elif enabled bfin; then
2118
2119 cpuflags="-mcpu=$cpu"
2120
2121 elif enabled mips; then
2122
2123 cpuflags="-march=$cpu"
2124
2125 elif enabled avr32; then
2126
2127 case $cpu in
2128 ap7[02]0[0-2])
2129 subarch="avr32_ap"
2130 cpuflags="-mpart=$cpu"
2131 ;;
2132 ap)
2133 subarch="avr32_ap"
2134 cpuflags="-march=$cpu"
2135 ;;
2136 uc3[ab]*)
2137 subarch="avr32_uc"
2138 cpuflags="-mcpu=$cpu"
2139 ;;
2140 uc)
2141 subarch="avr32_uc"
2142 cpuflags="-march=$cpu"
2143 ;;
2144 esac
2145
2146 fi
2147
2148 add_cflags $cpuflags
2149 add_asflags $cpuflags
2150
2151 # compiler sanity check
2152 check_exec <<EOF
2153 int main(void){ return 0; }
2154 EOF
2155 if test "$?" != 0; then
2156 echo "$cc is unable to create an executable file."
2157 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2158 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2159 echo "Only do this if you know what cross compiling means."
2160 fi
2161 die "C compiler test failed."
2162 fi
2163
2164 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2165 check_cflags -std=c99
2166 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2167 #include <stdlib.h>
2168 EOF
2169 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2170 #include <stdlib.h>
2171 EOF
2172
2173 check_host_cflags -std=c99
2174
2175 case "$arch" in
2176 alpha|ia64|mips|parisc|sparc)
2177 spic=$shared
2178 ;;
2179 x86)
2180 subarch="x86_32"
2181 check_cc <<EOF && subarch="x86_64"
2182 int test[(int)sizeof(char*) - 7];
2183 EOF
2184 if test "$subarch" = "x86_64"; then
2185 spic=$shared
2186 fi
2187 ;;
2188 esac
2189
2190 enable $subarch
2191 enabled spic && enable pic
2192
2193 # OS specific
2194 case $target_os in
2195 haiku)
2196 prefix_default="/boot/common"
2197 network_extralibs="-lnetwork"
2198 ;;
2199 sunos)
2200 FFSERVERLDFLAGS=""
2201 SHFLAGS='-shared -Wl,-h,$$(@F)'
2202 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2203 network_extralibs="-lsocket -lnsl"
2204 add_cppflags -D__EXTENSIONS__
2205 nm_opts='-P -g'
2206 ;;
2207 netbsd)
2208 oss_indev_extralibs="-lossaudio"
2209 oss_outdev_extralibs="-lossaudio"
2210 add_cppflags -D_XOPEN_SOURCE=600
2211 ;;
2212 openbsd)
2213 enable malloc_aligned
2214 # On OpenBSD 4.5. the compiler does not use PIC unless
2215 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2216 # however the generated executable will not do anything
2217 # (simply quits with exit-code 1, no crash, no output).
2218 # Thus explicitly enable PIC here.
2219 enable pic
2220 SHFLAGS='-shared'
2221 oss_indev_extralibs="-lossaudio"
2222 oss_outdev_extralibs="-lossaudio"
2223 ;;
2224 freebsd|dragonfly)
2225 enable malloc_aligned
2226 ;;
2227 bsd/os)
2228 add_extralibs -lpoll -lgnugetopt
2229 strip="strip -d"
2230 ;;
2231 darwin)
2232 enable malloc_aligned
2233 gas="gas-preprocessor.pl $cc"
2234 enabled ppc && add_asflags -force_cpusubtype_ALL
2235 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2236 strip="${strip} -x"
2237 add_ldflags -Wl,-dynamic,-search_paths_first
2238 SLIBSUF=".dylib"
2239 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2240 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2241 FFSERVERLDFLAGS=-Wl,-bind_at_load
2242 objformat="macho"
2243 enabled x86_64 && objformat="macho64"
2244 enabled_any pic shared ||
2245 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2246 ;;
2247 mingw32*)
2248 if test $target_os = "mingw32ce"; then
2249 disable network
2250 else
2251 target_os=mingw32
2252 fi
2253 LIBTARGET=i386
2254 if enabled x86_64; then
2255 enable malloc_aligned
2256 LIBTARGET=x64
2257 elif enabled arm; then
2258 LIBTARGET=arm
2259 fi
2260 shlibdir_default="$bindir_default"
2261 disable ffserver
2262 SLIBPREF=""
2263 SLIBSUF=".dll"
2264 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2265 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2266 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2267 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2268 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2269 install -d "$(LIBDIR)"; \
2270 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2271 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2272 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2273 objformat="win32"
2274 enable dos_paths
2275 check_cflags -fno-common
2276 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2277 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2278 die "ERROR: MinGW runtime version must be >= 3.15."
2279 ;;
2280 cygwin*)
2281 target_os=cygwin
2282 shlibdir_default="$bindir_default"
2283 SLIBPREF="cyg"
2284 SLIBSUF=".dll"
2285 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2286 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2287 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2288 objformat="win32"
2289 enable dos_paths
2290 check_cflags -fno-common
2291 ;;
2292 *-dos|freedos|opendos)
2293 disable ffplay ffserver
2294 disable $INDEV_LIST $OUTDEV_LIST
2295 network_extralibs="-lsocket"
2296 objformat="coff"
2297 enable dos_paths
2298 ;;
2299 linux)
2300 enable dv1394
2301 ;;
2302 irix*)
2303 target_os=irix
2304 ranlib="echo ignoring ranlib"
2305 ;;
2306 os/2*)
2307 strip="lxlite"
2308 ln_s="cp -f"
2309 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2310 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2311 FFSERVERLDFLAGS=""
2312 LIBSUF="_s.a"
2313 SLIBPREF=""
2314 SLIBSUF=".dll"
2315 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2316 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2317 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2318 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2319 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2320 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2321 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2322 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2323 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2324 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2325 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2326 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2327 enable dos_paths
2328 ;;
2329 gnu/kfreebsd)
2330 ;;
2331 gnu)
2332 ;;
2333 none)
2334 ;;
2335 *)
2336 die "Unknown OS '$target_os'."
2337 ;;
2338 esac
2339
2340 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2341
2342 set_default $PATHS_LIST
2343
2344 # we need to build at least one lib type
2345 if ! enabled_any static shared; then
2346 cat <<EOF
2347 At least one library type must be built.
2348 Specify --enable-static to build the static libraries or --enable-shared to
2349 build the shared libraries as well. To only build the shared libraries specify
2350 --disable-static in addition to --enable-shared.
2351 EOF
2352 exit 1;
2353 fi
2354
2355 disabled static && LIBNAME=""
2356
2357 die_license_disabled() {
2358 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2359 }
2360
2361 die_license_disabled gpl libx264
2362 die_license_disabled gpl libxvid
2363 die_license_disabled gpl postproc
2364 die_license_disabled gpl x11grab
2365
2366 die_license_disabled nonfree libfaac
2367
2368 die_license_disabled version3 libopencore_amrnb
2369 die_license_disabled version3 libopencore_amrwb
2370
2371 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2372
2373 check_deps $ARCH_EXT_LIST
2374
2375 disabled optimizations || check_cflags -fomit-frame-pointer
2376
2377 enable_pic() {
2378 enable pic
2379 add_cppflags -DPIC
2380 add_cflags -fPIC
2381 add_asflags -fPIC
2382 }
2383
2384 enabled pic && enable_pic
2385
2386 check_cc <<EOF || die "Symbol mangling check failed."
2387 int ff_extern;
2388 EOF
2389 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2390 extern_prefix=${sym%%ff_extern*}
2391
2392 check_cc <<EOF && enable inline_asm
2393 void foo(void) { __asm__ volatile ("" ::); }
2394 EOF
2395
2396 _restrict=
2397 for restrict_keyword in restrict __restrict__ __restrict; do
2398 check_cc <<EOF && _restrict=$restrict_keyword && break
2399 void foo(char * $restrict_keyword p);
2400 EOF
2401 done
2402
2403 check_cc <<EOF && enable attribute_packed
2404 struct { int x; } __attribute__((packed)) x;
2405 EOF
2406
2407 check_cc <<EOF && enable attribute_may_alias
2408 union { int x; } __attribute__((may_alias)) x;
2409 EOF
2410
2411 check_cc <<EOF || die "endian test failed"
2412 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2413 EOF
2414 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2415
2416 if enabled alpha; then
2417
2418 check_cflags -mieee
2419
2420 elif enabled arm; then
2421
2422 check_cflags -marm
2423 nogas=die
2424
2425 check_ld <<EOF && enable vfp_args
2426 __asm__ (".eabi_attribute 28, 1");
2427 int main(void) { return 0; }
2428 EOF
2429
2430 # We have to check if pld is a nop and disable it.
2431 check_asm pld '"pld [r0]"'
2432
2433 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2434 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2435 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2436 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2437 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2438 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2439
2440 enabled_all armv6t2 shared !pic && enable_pic
2441
2442 elif enabled mips; then
2443
2444 check_asm loongson '"dmult.g $1, $2, $3"'
2445 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2446
2447 elif enabled ppc; then
2448
2449 enable local_aligned_8 local_aligned_16
2450
2451 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2452 check_asm ibm_asm '"add 0, 0, 0"'
2453 check_asm ppc4xx '"maclhw r10, r11, r12"'
2454 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2455
2456 # AltiVec flags: The FSF version of GCC differs from the Apple version
2457 if enabled altivec; then
2458 nogas=warn
2459 check_cflags -maltivec -mabi=altivec &&
2460 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2461 check_cflags -faltivec
2462
2463 # check if our compiler supports Motorola AltiVec C API
2464 check_cc <<EOF || disable altivec
2465 $inc_altivec_h
2466 int main(void) {
2467 vector signed int v1, v2, v3;
2468 v1 = vec_add(v2,v3);
2469 return 0;
2470 }
2471 EOF
2472
2473 # check if our compiler supports braces for vector declarations
2474 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2475 $inc_altivec_h
2476 int main (void) { (vector int) {1}; return 0; }
2477 EOF
2478 fi
2479
2480 elif enabled sparc; then
2481
2482 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2483 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2484
2485 elif enabled x86; then
2486
2487 enable local_aligned_8 local_aligned_16
2488
2489 # check whether EBP is available on x86
2490 # As 'i' is stored on the stack, this program will crash
2491 # if the base pointer is used to access it because the
2492 # base pointer is cleared in the inline assembly code.
2493 check_exec_crash <<EOF && enable ebp_available
2494 volatile int i=0;
2495 __asm__ volatile (
2496 "xorl %%ebp, %%ebp"
2497 ::: "%ebp");
2498 return i;
2499 EOF
2500
2501 # check whether EBX is available on x86
2502 check_asm ebx_available '""::"b"(0)' &&
2503 check_asm ebx_available '"":::"%ebx"'
2504
2505 # check whether more than 10 operands are supported
2506 check_cc <<EOF && enable ten_operands
2507 int main(void) {
2508 int x=0;
2509 __asm__ volatile(
2510 ""
2511 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2512 );
2513 return 0;
2514 }
2515 EOF
2516
2517 # check whether binutils is new enough to compile SSSE3/MMX2
2518 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2519 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2520
2521 check_asm bswap '"bswap %%eax" ::: "%eax"'
2522
2523 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2524 enabled x86_64 && append YASMFLAGS "-m amd64"
2525 enabled pic && append YASMFLAGS "-DPIC"
2526 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2527 case "$objformat" in
2528 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2529 esac
2530 if ! disabled yasm; then
2531 check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2532 warn "yasm not found, performance will suffer"
2533 fi
2534
2535 case "$cpu" in
2536 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2537 disable fast_clz
2538 ;;
2539 esac
2540
2541 fi
2542
2543 if enabled asm; then
2544 as=${gas:=$as}
2545 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2546 $nogas "GNU assembler not found, install gas-preprocessor"
2547 fi
2548
2549 if check_func dlopen; then
2550 ldl=
2551 elif check_func dlopen -ldl; then
2552 ldl=-ldl
2553 fi
2554
2555 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2556 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2557
2558 check_func fcntl
2559 check_func fork
2560 check_func getaddrinfo $network_extralibs
2561 check_func gethrtime
2562 check_func getrusage
2563 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2564 check_func inet_aton $network_extralibs
2565 check_func isatty
2566 check_func ${malloc_prefix}memalign && enable memalign
2567 check_func mkstemp
2568 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2569 check_func setrlimit
2570 check_func strerror_r
2571 check_func_headers io.h setmode
2572 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2573 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2574 check_func_headers windows.h GetProcessTimes
2575 check_func_headers windows.h VirtualAlloc
2576
2577 check_header conio.h
2578 check_header dlfcn.h
2579 check_header dxva2api.h
2580 check_header malloc.h
2581 check_header poll.h
2582 check_header sys/mman.h
2583 check_header sys/resource.h
2584 check_header sys/select.h
2585 check_header termios.h
2586 check_header vdpau/vdpau.h
2587 check_header vdpau/vdpau_x11.h
2588 check_header X11/extensions/XvMClib.h
2589
2590 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2591
2592 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2593 enabled_any $need_memalign ; then
2594 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2595 fi
2596
2597 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2598 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2599
2600 # check for some common methods of building with pthread support
2601 # do this before the optional library checks as some of them require pthreads
2602 if ! disabled pthreads && ! enabled w32threads; then
2603 enable pthreads
2604 if check_func pthread_create; then
2605 :
2606 elif check_func pthread_create -pthread; then
2607 add_cflags -pthread
2608 add_extralibs -pthread
2609 elif check_func pthread_create -pthreads; then
2610 add_cflags -pthreads
2611 add_extralibs -pthreads
2612 elif check_func pthread_create -lpthreadGC2; then
2613 add_extralibs -lpthreadGC2
2614 elif ! check_lib pthread.h pthread_create -lpthread; then
2615 disable pthreads
2616 fi
2617 fi
2618
2619 for thread in $THREADS_LIST; do
2620 if enabled $thread; then
2621 test -n "$thread_type" &&
2622 die "ERROR: Only one thread type must be selected." ||
2623 thread_type="$thread"
2624 fi
2625 done
2626
2627 check_lib math.h sin -lm
2628 disabled vaapi || check_lib va/va.h vaInitialize -lva
2629
2630 check_mathfunc exp2
2631 check_mathfunc exp2f
2632 check_mathfunc llrint
2633 check_mathfunc llrintf
2634 check_mathfunc log2
2635 check_mathfunc log2f
2636 check_mathfunc lrint
2637 check_mathfunc lrintf
2638 check_mathfunc round
2639 check_mathfunc roundf
2640 check_mathfunc truncf
2641
2642 # these are off by default, so fail if requested and not available
2643 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2644 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2645 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2646 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2647 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2648 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2649 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame
2650 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2651 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2652 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2653 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2654 enabled librtmp && { check_lib librtmp/rtmp.h RTMP_Socket $(pkg-config --libs librtmp) ||
2655 die "ERROR: librtmp not found or RTMP_Socket() missing, librtmp version must be >= 2.2.f"; }
2656 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2657 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2658 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2659 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2660 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2661 enabled libvpx && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx &&
2662 check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2663 die "ERROR: libvpx version must be >=0.9.1"; }
2664 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2665 { check_cpp_condition x264.h "X264_BUILD >= 98" ||
2666 die "ERROR: libx264 version must be >= 0.98."; }
2667 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2668 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2669
2670 # libdc1394 check
2671 if enabled libdc1394; then
2672 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2673 enable libdc1394_2; } ||
2674 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2675 enable libdc1394_1; } ||
2676 die "ERROR: No version of libdc1394 found "
2677 fi
2678
2679 SDL_CONFIG="${cross_prefix}sdl-config"
2680 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2681 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2682 sdl_libs=$("${SDL_CONFIG}" --libs)
2683 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2684 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2685 enable sdl &&
2686 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2687 fi
2688
2689 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2690
2691 if enabled network; then
2692 check_type "sys/types.h sys/socket.h" socklen_t
2693 check_type netdb.h "struct addrinfo"
2694 check_type netinet/in.h "struct ipv6_mreq"
2695 check_type netinet/in.h "struct sockaddr_in6"
2696 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2697 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2698 # Prefer arpa/inet.h over winsock2
2699 if check_header arpa/inet.h ; then
2700 check_func closesocket
2701 elif check_header winsock2.h ; then
2702 check_func_headers winsock2.h closesocket -lws2 && \
2703 network_extralibs="-lws2" || \
2704 { check_func_headers winsock2.h closesocket -lws2_32 && \
2705 network_extralibs="-lws2_32"; }
2706 check_type ws2tcpip.h socklen_t
2707 check_type ws2tcpip.h "struct addrinfo"
2708 check_type ws2tcpip.h "struct ipv6_mreq"
2709 check_type ws2tcpip.h "struct sockaddr_in6"
2710 check_type ws2tcpip.h "struct sockaddr_storage"
2711 check_struct winsock2.h "struct sockaddr" sa_len
2712 else
2713 disable network
2714 fi
2715 fi
2716
2717 check_header linux/videodev.h
2718 check_header linux/videodev2.h
2719 check_header sys/videoio.h
2720
2721 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2722 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2723 # w32api 3.12 had it defined wrong
2724 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2725
2726 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2727 { check_header dev/bktr/ioctl_meteor.h &&
2728 check_header dev/bktr/ioctl_bt848.h; } ||
2729 { check_header machine/ioctl_meteor.h &&
2730 check_header machine/ioctl_bt848.h; } ||
2731 { check_header dev/video/meteor/ioctl_meteor.h &&
2732 check_header dev/video/bktr/ioctl_bt848.h; } ||
2733 check_header dev/ic/bt8xx.h
2734
2735 check_header sys/soundcard.h
2736 check_header soundcard.h
2737
2738 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2739
2740 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2741
2742 enabled x11grab &&
2743 check_header X11/Xlib.h &&
2744 check_header X11/extensions/XShm.h &&
2745 check_header X11/extensions/Xfixes.h &&
2746 check_func XOpenDisplay -lX11 &&
2747 check_func XShmCreateImage -lX11 -lXext &&
2748 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2749
2750 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2751 check_cpp_condition \
2752 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2753 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2754 disable vdpau; }
2755 fi
2756
2757 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2758
2759 # add some useful compiler flags if supported
2760 check_cflags -Wdeclaration-after-statement
2761 check_cflags -Wall
2762 check_cflags -Wno-switch
2763 check_cflags -Wdisabled-optimization
2764 check_cflags -Wpointer-arith
2765 check_cflags -Wredundant-decls
2766 check_cflags -Wno-pointer-sign
2767 check_cflags -Wcast-qual
2768 check_cflags -Wwrite-strings
2769 check_cflags -Wtype-limits
2770 check_cflags -Wundef
2771 check_cflags -Wmissing-prototypes
2772 enabled extra_warnings && check_cflags -Winline
2773
2774 # add some linker flags
2775 check_ldflags -Wl,--warn-common
2776 check_ldflags -Wl,--as-needed
2777 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'
2778 check_ldflags -Wl,-Bsymbolic
2779
2780 echo "X{};" > $TMPV
2781 if test_ldflags -Wl,--version-script,$TMPV; then
2782 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2783 check_cc <<EOF && enable symver_asm_label
2784 void ff_foo(void) __asm__ ("av_foo@VERSION");
2785 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2786 EOF
2787 check_cc <<EOF && enable symver_gnu_asm
2788 __asm__(".symver ff_foo,av_foo@VERSION");
2789 void ff_foo(void) {}
2790 EOF
2791 fi
2792
2793 if enabled small; then
2794 add_cflags $size_cflags
2795 optimizations="small"
2796 elif enabled optimizations; then
2797 add_cflags $speed_cflags
2798 else
2799 add_cflags $noopt_cflags
2800 fi
2801 check_cflags -fno-math-errno
2802 check_cflags -fno-signed-zeros
2803
2804 if enabled icc; then
2805 # Just warnings, no remarks
2806 check_cflags -w1
2807 # -wd: Disable following warnings
2808 # 144, 167, 556: -Wno-pointer-sign
2809 # 10006: ignoring unknown option -fno-signed-zeros
2810 # 10156: ignoring option '-W'; no argument required
2811 check_cflags -wd144,167,556,10006,10156
2812 # 11030: Warning unknown option --as-needed
2813 # 10156: ignoring option '-export'; no argument required
2814 check_ldflags -wd10156,11030
2815 # Allow to compile with optimizations
2816 check_ldflags -march=$cpu
2817 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2818 enable ebp_available
2819 elif enabled ccc; then
2820 # disable some annoying warnings
2821 add_cflags -msg_disable cvtu32to64
2822 add_cflags -msg_disable embedcomment
2823 add_cflags -msg_disable needconstext
2824 add_cflags -msg_disable nomainieee
2825 add_cflags -msg_disable ptrmismatch1
2826 add_cflags -msg_disable unreachcode
2827 elif enabled gcc; then
2828 check_cflags -fno-tree-vectorize
2829 check_cflags -Werror=implicit-function-declaration
2830 check_cflags -Werror=missing-prototypes
2831 elif enabled clang; then
2832 check_cflags -Qunused-arguments
2833 elif enabled armcc; then
2834 # 2523: use of inline assembler is deprecated
2835 add_cflags -Wrvct,--diag_suppress=2523
2836 add_cflags -Wrvct,--diag_suppress=1207
2837 elif enabled tms470; then
2838 add_cflags -pds=824 -pds=837
2839 fi
2840
2841 enabled_any $THREADS_LIST && enable threads
2842
2843 check_deps $CONFIG_LIST \
2844 $CONFIG_EXTRA \
2845 $HAVE_LIST \
2846 $DECODER_LIST \
2847 $ENCODER_LIST \
2848 $HWACCEL_LIST \
2849 $PARSER_LIST \
2850 $BSF_LIST \
2851 $DEMUXER_LIST \
2852 $MUXER_LIST \
2853 $FILTER_LIST \
2854 $INDEV_LIST \
2855 $OUTDEV_LIST \
2856 $PROTOCOL_LIST \
2857 $ACODEC_TESTS \
2858 $VCODEC_TESTS \
2859 $LAVF_TESTS \
2860 $LAVFI_TESTS \
2861 $SEEK_TESTS \
2862
2863 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
2864
2865 echo "install prefix $prefix"
2866 echo "source path $source_path"
2867 echo "C compiler $cc"
2868 echo "ARCH $arch ($cpu)"
2869 if test "$build_suffix" != ""; then
2870 echo "build suffix $build_suffix"
2871 fi
2872 if test "$extra_version" != ""; then
2873 echo "version string suffix $extra_version"
2874 fi
2875 echo "big-endian ${bigendian-no}"
2876 echo "runtime cpu detection ${runtime_cpudetect-no}"
2877 if enabled x86; then
2878 echo "yasm ${yasm-no}"
2879 echo "MMX enabled ${mmx-no}"
2880 echo "MMX2 enabled ${mmx2-no}"
2881 echo "3DNow! enabled ${amd3dnow-no}"
2882 echo "3DNow! extended enabled ${amd3dnowext-no}"
2883 echo "SSE enabled ${sse-no}"
2884 echo "SSSE3 enabled ${ssse3-no}"
2885 echo "CMOV enabled ${cmov-no}"
2886 echo "CMOV is fast ${fast_cmov-no}"
2887 echo "EBX available ${ebx_available-no}"
2888 echo "EBP available ${ebp_available-no}"
2889 echo "10 operands supported ${ten_operands-no}"
2890 fi
2891 if enabled arm; then
2892 echo "ARMv5TE enabled ${armv5te-no}"
2893 echo "ARMv6 enabled ${armv6-no}"
2894 echo "ARMv6T2 enabled ${armv6t2-no}"
2895 echo "ARM VFP enabled ${armvfp-no}"
2896 echo "IWMMXT enabled ${iwmmxt-no}"
2897 echo "NEON enabled ${neon-no}"
2898 fi
2899 if enabled mips; then
2900 echo "MMI enabled ${mmi-no}"
2901 fi
2902 if enabled ppc; then
2903 echo "AltiVec enabled ${altivec-no}"
2904 echo "PPC 4xx optimizations ${ppc4xx-no}"
2905 echo "dcbzl available ${dcbzl-no}"
2906 fi
2907 if enabled sparc; then
2908 echo "VIS enabled ${vis-no}"
2909 fi
2910 echo "debug symbols ${debug-no}"
2911 echo "strip symbols ${stripping-no}"
2912 echo "optimizations ${optimizations-no}"
2913 echo "static ${static-no}"
2914 echo "shared ${shared-no}"
2915 echo "postprocessing support ${postproc-no}"
2916 echo "new filter support ${avfilter-no}"
2917 echo "filters using lavformat ${avfilter_lavf-no}"
2918 echo "network support ${network-no}"
2919 echo "threading support ${thread_type-no}"
2920 echo "SDL support ${sdl-no}"
2921 echo "Sun medialib support ${mlib-no}"
2922 echo "AVISynth enabled ${avisynth-no}"
2923 echo "libdc1394 support ${libdc1394-no}"
2924 echo "libdirac enabled ${libdirac-no}"
2925 echo "libfaac enabled ${libfaac-no}"
2926 echo "libgsm enabled ${libgsm-no}"
2927 echo "libmp3lame enabled ${libmp3lame-no}"
2928 echo "libnut enabled ${libnut-no}"
2929 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2930 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2931 echo "libopenjpeg enabled ${libopenjpeg-no}"
2932 echo "librtmp enabled ${librtmp-no}"
2933 echo "libschroedinger enabled ${libschroedinger-no}"
2934 echo "libspeex enabled ${libspeex-no}"
2935 echo "libtheora enabled ${libtheora-no}"
2936 echo "libvorbis enabled ${libvorbis-no}"
2937 echo "libvpx enabled ${libvpx-no}"
2938 echo "libx264 enabled ${libx264-no}"
2939 echo "libxvid enabled ${libxvid-no}"
2940 echo "zlib enabled ${zlib-no}"
2941 echo "bzlib enabled ${bzlib-no}"
2942 echo
2943
2944 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2945 echo "Enabled ${type}s:"
2946 eval list=\$$(toupper $type)_LIST
2947 print_enabled '_*' $list | sort | pr -3 -t
2948 echo
2949 done
2950
2951 license="LGPL version 2.1 or later"
2952 if enabled nonfree; then
2953 license="nonfree and unredistributable"
2954 elif enabled gplv3; then
2955 license="GPL version 3 or later"
2956 elif enabled lgplv3; then
2957 license="LGPL version 3 or later"
2958 elif enabled gpl; then
2959 license="GPL version 2 or later"
2960 fi
2961
2962 echo "License: $license"
2963
2964 echo "Creating config.mak and config.h..."
2965
2966 # build tree in object directory if source path is different from current one
2967 if enabled source_path_used; then
2968 DIRS="
2969 doc
2970 libavcodec
2971 libavcodec/$arch
2972 libavdevice
2973 libavfilter
2974 libavformat
2975 libavutil
2976 libavutil/$arch
2977 libpostproc
2978 libswscale
2979 libswscale/$arch
2980 tests
2981 tools
2982 "
2983 FILES="
2984 Makefile
2985 common.mak
2986 subdir.mak
2987 doc/texi2pod.pl
2988 libavcodec/Makefile
2989 libavcodec/${arch}/Makefile
2990 libavdevice/Makefile
2991 libavfilter/Makefile
2992 libavformat/Makefile
2993 libavutil/Makefile
2994 libpostproc/Makefile
2995 libswscale/Makefile
2996 "
2997 map 'mkdir -p $v' $DIRS;
2998 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
2999 fi
3000
3001 enabled stripping || strip="echo skipping strip"
3002
3003 cat > config.mak <<EOF
3004 # Automatically generated by configure - do not modify!
3005 ifndef FFMPEG_CONFIG_MAK
3006 FFMPEG_CONFIG_MAK=1
3007 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3008 prefix=$prefix
3009 LIBDIR=\$(DESTDIR)$libdir
3010 SHLIBDIR=\$(DESTDIR)$shlibdir
3011 INCDIR=\$(DESTDIR)$incdir
3012 BINDIR=\$(DESTDIR)$bindir
3013 DATADIR=\$(DESTDIR)$datadir
3014 MANDIR=\$(DESTDIR)$mandir
3015 SRC_PATH="$source_path"
3016 SRC_PATH_BARE=$source_path
3017 BUILD_ROOT="$PWD"
3018 ARCH=$arch
3019 CC=$cc
3020 AS=$as
3021 LD=$ld
3022 DEPCC=$dep_cc
3023 YASM=$yasmexe
3024 YASMDEP=$yasmexe
3025 AR=$ar
3026 RANLIB=$ranlib
3027 CP=cp -p
3028 LN_S=$ln_s
3029 STRIP=$strip
3030 CPPFLAGS=$CPPFLAGS
3031 CFLAGS=$CFLAGS
3032 ASFLAGS=$ASFLAGS
3033 CC_O=$CC_O
3034 LDFLAGS=$LDFLAGS
3035 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3036 SHFLAGS=$SHFLAGS
3037 YASMFLAGS=$YASMFLAGS
3038 BUILDSUF=$build_suffix
3039 FULLNAME=$FULLNAME
3040 LIBPREF=$LIBPREF
3041 LIBSUF=$LIBSUF
3042 LIBNAME=$LIBNAME
3043 SLIBPREF=$SLIBPREF
3044 SLIBSUF=$SLIBSUF
3045 EXESUF=$EXESUF
3046 EXTRA_VERSION=$extra_version
3047 DEPFLAGS=$DEPFLAGS
3048 CCDEP=$CCDEP
3049 ASDEP=$ASDEP
3050 CC_DEPFLAGS=$CC_DEPFLAGS
3051 AS_DEPFLAGS=$AS_DEPFLAGS
3052 HOSTCC=$host_cc
3053 HOSTCFLAGS=$host_cflags
3054 HOSTEXESUF=$HOSTEXESUF
3055 HOSTLDFLAGS=$host_ldflags
3056 HOSTLIBS=$host_libs
3057 TARGET_EXEC=$target_exec
3058 TARGET_PATH=$target_path
3059 SDL_LIBS=$sdl_libs
3060 SDL_CFLAGS=$sdl_cflags
3061 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3062 EXTRALIBS=$extralibs
3063 INSTALL=install
3064 LIBTARGET=${LIBTARGET}
3065 SLIBNAME=${SLIBNAME}
3066 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3067 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3068 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3069 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3070 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3071 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3072 SAMPLES=$samples
3073 EOF
3074
3075 get_version(){
3076 name=$1
3077 file=$source_path/$2
3078 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3079 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3080 lcname=$(tolower $name)
3081 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3082 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3083 }
3084
3085 get_version LIBSWSCALE libswscale/swscale.h
3086 get_version LIBPOSTPROC libpostproc/postprocess.h
3087 get_version LIBAVCODEC libavcodec/avcodec.h
3088 get_version LIBAVDEVICE libavdevice/avdevice.h
3089 get_version LIBAVFORMAT libavformat/avformat.h
3090 get_version LIBAVUTIL libavutil/avutil.h
3091 get_version LIBAVFILTER libavfilter/avfilter.h
3092
3093 cat > $TMPH <<EOF
3094 /* Automatically generated by configure - do not modify! */
3095 #ifndef FFMPEG_CONFIG_H
3096 #define FFMPEG_CONFIG_H
3097 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3098 #define FFMPEG_LICENSE "$(c_escape $license)"
3099 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3100 #define CC_TYPE "$cc_type"
3101 #define CC_VERSION $cc_version
3102 #define restrict $_restrict
3103 #define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
3104 #define EXTERN_PREFIX "${extern_prefix}"
3105 #define EXTERN_ASM ${extern_prefix}
3106 EOF
3107
3108 test -n "$malloc_prefix" &&
3109 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3110
3111 if enabled small || disabled optimizations; then
3112 echo "#undef av_always_inline" >> $TMPH
3113 echo "#define av_always_inline" >> $TMPH
3114 fi
3115
3116 print_config ARCH_ $TMPH config.mak $ARCH_LIST
3117 print_config HAVE_ $TMPH config.mak $HAVE_LIST
3118 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
3119 $CONFIG_EXTRA \
3120 $DECODER_LIST \
3121 $ENCODER_LIST \
3122 $HWACCEL_LIST \
3123 $PARSER_LIST \
3124 $BSF_LIST \
3125 $DEMUXER_LIST \
3126 $MUXER_LIST \
3127 $FILTER_LIST \
3128 $PROTOCOL_LIST \
3129 $INDEV_LIST \
3130 $OUTDEV_LIST \
3131
3132 cat >>config.mak <<EOF
3133 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3134 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3135 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3136 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3137 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3138 EOF
3139
3140 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3141 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3142
3143 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3144 cp_if_changed $TMPH config.h
3145
3146 cat > $TMPH <<EOF
3147 /* Generated by ffconf */
3148 #ifndef AVUTIL_AVCONFIG_H
3149 #define AVUTIL_AVCONFIG_H
3150 EOF
3151
3152 print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3153
3154 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3155
3156 cp_if_changed $TMPH libavutil/avconfig.h
3157
3158 test -n "$WARNINGS" && printf "\n$WARNINGS"
3159
3160 # build pkg-config files
3161
3162 pkgconfig_generate(){
3163 name=$1
3164 shortname=${name#lib}${build_suffix}
3165 comment=$2
3166 version=$3
3167 libs=$4
3168 requires=$5
3169 cat <<EOF > $name/$name.pc
3170 prefix=$prefix
3171 exec_prefix=\${prefix}
3172 libdir=$libdir
3173 includedir=$incdir
3174
3175 Name: $name
3176 Description: $comment
3177 Version: $version
3178 Requires: $(enabled shared || echo $requires)
3179 Requires.private: $(enabled shared && echo $requires)
3180 Conflicts:
3181 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3182 Libs.private: $(enabled shared && echo $libs)
3183 Cflags: -I\${includedir}
3184 EOF
3185 cat <<EOF > $name/$name-uninstalled.pc
3186 prefix=
3187 exec_prefix=
3188 libdir=\${pcfiledir}
3189 includedir=${source_path}
3190
3191 Name: $name
3192 Description: $comment
3193 Version: $version
3194 Requires: $requires
3195 Conflicts:
3196 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3197 Cflags: -I\${includedir}
3198 EOF
3199 }
3200
3201 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3202 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3203 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3204 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3205 enabled avfilter &&
3206 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3207 enabled postproc &&
3208 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3209 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"