Split the ADTS header decoder off of the ADTS parser.
[ffmpeg.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 mdct_select="fft"
1162 rdft_select="fft"
1163
1164 # decoders / encoders / hardware accelerators
1165 aac_decoder_select="mdct rdft"
1166 aac_encoder_select="mdct"
1167 ac3_decoder_select="mdct ac3_parser"
1168 alac_encoder_select="lpc"
1169 amrnb_decoder_select="lsp"
1170 atrac1_decoder_select="mdct"
1171 atrac3_decoder_select="mdct"
1172 binkaudio_dct_decoder_select="mdct rdft dct"
1173 binkaudio_rdft_decoder_select="mdct rdft"
1174 cavs_decoder_select="golomb"
1175 cook_decoder_select="mdct"
1176 cscd_decoder_suggest="zlib"
1177 dca_decoder_select="mdct"
1178 dnxhd_encoder_select="aandct"
1179 dxa_decoder_select="zlib"
1180 eac3_decoder_select="ac3_decoder"
1181 eamad_decoder_select="aandct"
1182 eatgq_decoder_select="aandct"
1183 eatqi_decoder_select="aandct"
1184 ffv1_decoder_select="golomb"
1185 flac_decoder_select="golomb"
1186 flac_encoder_select="golomb lpc"
1187 flashsv_decoder_select="zlib"
1188 flashsv_encoder_select="zlib"
1189 flv_decoder_select="h263_decoder"
1190 flv_encoder_select="h263_encoder"
1191 h261_encoder_select="aandct"
1192 h263_decoder_select="h263_parser"
1193 h263_encoder_select="aandct"
1194 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1195 h263i_decoder_select="h263_decoder"
1196 h263p_encoder_select="h263_encoder"
1197 h264_decoder_select="golomb h264dsp"
1198 h264_dxva2_hwaccel_deps="dxva2api_h"
1199 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1200 h264_vaapi_hwaccel_select="vaapi"
1201 h264_vdpau_decoder_select="vdpau h264_decoder"
1202 imc_decoder_select="fft mdct"
1203 jpegls_decoder_select="golomb"
1204 jpegls_encoder_select="golomb"
1205 ljpeg_encoder_select="aandct"
1206 loco_decoder_select="golomb"
1207 mjpeg_encoder_select="aandct"
1208 mlp_decoder_select="mlp_parser"
1209 mp1float_decoder_select="dct"
1210 mp2float_decoder_select="dct"
1211 mp3adufloat_decoder_select="dct"
1212 mp3float_decoder_select="dct"
1213 mp3on4float_decoder_select="dct"
1214 mpeg1video_encoder_select="aandct"
1215 mpeg2video_encoder_select="aandct"
1216 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1217 mpeg4_encoder_select="h263_encoder"
1218 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1219 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1220 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1221 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1222 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1223 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1224 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1225 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1226 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1227 msmpeg4v1_decoder_select="h263_decoder"
1228 msmpeg4v1_encoder_select="h263_encoder"
1229 msmpeg4v2_decoder_select="h263_decoder"
1230 msmpeg4v2_encoder_select="h263_encoder"
1231 msmpeg4v3_decoder_select="h263_decoder"
1232 msmpeg4v3_encoder_select="h263_encoder"
1233 nellymoser_decoder_select="mdct"
1234 nellymoser_encoder_select="mdct"
1235 png_decoder_select="zlib"
1236 png_encoder_select="zlib"
1237 qcelp_decoder_select="lsp"
1238 qdm2_decoder_select="mdct rdft"
1239 ra_144_encoder_select="lpc"
1240 rv10_decoder_select="h263_decoder"
1241 rv10_encoder_select="h263_encoder"
1242 rv20_decoder_select="h263_decoder"
1243 rv20_encoder_select="h263_encoder"
1244 rv30_decoder_select="golomb h264dsp"
1245 rv40_decoder_select="golomb h264dsp"
1246 shorten_decoder_select="golomb"
1247 sipr_decoder_select="lsp"
1248 snow_decoder_select="dwt"
1249 snow_encoder_select="aandct dwt"
1250 sonic_decoder_select="golomb"
1251 sonic_encoder_select="golomb"
1252 sonic_ls_encoder_select="golomb"
1253 svq1_encoder_select="aandct"
1254 svq3_decoder_select="golomb h264dsp"
1255 svq3_decoder_suggest="zlib"
1256 theora_decoder_select="vp3_decoder"
1257 tiff_decoder_suggest="zlib"
1258 tiff_encoder_suggest="zlib"
1259 truehd_decoder_select="mlp_decoder"
1260 tscc_decoder_select="zlib"
1261 twinvq_decoder_select="mdct lsp"
1262 vc1_decoder_select="h263_decoder"
1263 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1264 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1265 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1266 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1267 vorbis_decoder_select="mdct"
1268 vorbis_encoder_select="mdct"
1269 vp6a_decoder_select="vp6_decoder"
1270 vp6f_decoder_select="vp6_decoder"
1271 vp8_decoder_select="h264dsp"
1272 wmapro_decoder_select="mdct"
1273 wmav1_decoder_select="mdct"
1274 wmav1_encoder_select="mdct"
1275 wmav2_decoder_select="mdct"
1276 wmav2_encoder_select="mdct"
1277 wmavoice_decoder_select="lsp rdft dct mdct"
1278 wmv1_decoder_select="h263_decoder"
1279 wmv1_encoder_select="h263_encoder"
1280 wmv2_decoder_select="h263_decoder"
1281 wmv2_encoder_select="h263_encoder"
1282 wmv3_decoder_select="vc1_decoder"
1283 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1284 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1285 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1286 zlib_decoder_select="zlib"
1287 zlib_encoder_select="zlib"
1288 zmbv_decoder_select="zlib"
1289 zmbv_encoder_select="zlib"
1290
1291 vaapi_deps="va_va_h"
1292 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1293
1294 # parsers
1295 h264_parser_select="golomb h264dsp"
1296
1297 # external libraries
1298 libdirac_decoder_deps="libdirac !libschroedinger"
1299 libdirac_encoder_deps="libdirac"
1300 libfaac_encoder_deps="libfaac"
1301 libgsm_decoder_deps="libgsm"
1302 libgsm_encoder_deps="libgsm"
1303 libgsm_ms_decoder_deps="libgsm"
1304 libgsm_ms_encoder_deps="libgsm"
1305 libmp3lame_encoder_deps="libmp3lame"
1306 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1307 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1308 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1309 libopenjpeg_decoder_deps="libopenjpeg"
1310 libschroedinger_decoder_deps="libschroedinger"
1311 libschroedinger_encoder_deps="libschroedinger"
1312 libspeex_decoder_deps="libspeex"
1313 libtheora_encoder_deps="libtheora"
1314 libvorbis_encoder_deps="libvorbis"
1315 libvpx_decoder_deps="libvpx"
1316 libvpx_encoder_deps="libvpx"
1317 libx264_encoder_deps="libx264"
1318 libxvid_encoder_deps="libxvid"
1319
1320 # demuxers / muxers
1321 ac3_demuxer_deps="ac3_parser"
1322 asf_stream_muxer_select="asf_muxer"
1323 avisynth_demuxer_deps="avisynth"
1324 dirac_demuxer_deps="dirac_parser"
1325 eac3_demuxer_select="ac3_parser"
1326 ipod_muxer_select="mov_muxer"
1327 libnut_demuxer_deps="libnut"
1328 libnut_muxer_deps="libnut"
1329 matroska_audio_muxer_select="matroska_muxer"
1330 matroska_demuxer_suggest="zlib bzlib"
1331 mov_demuxer_suggest="zlib"
1332 mp3_demuxer_deps="mpegaudio_parser"
1333 mp4_muxer_select="mov_muxer"
1334 mpegtsraw_demuxer_select="mpegts_demuxer"
1335 mxf_d10_muxer_select="mxf_muxer"
1336 ogg_demuxer_select="golomb"
1337 psp_muxer_select="mov_muxer"
1338 rtsp_demuxer_deps="sdp_demuxer"
1339 rtsp_muxer_deps="sdp_demuxer"
1340 rtsp_muxer_select="rtp_muxer"
1341 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1342 sdp_demuxer_select="asf_demuxer rm_demuxer"
1343 spdif_muxer_select="aac_parser"
1344 tg2_muxer_select="mov_muxer"
1345 tgp_muxer_select="mov_muxer"
1346 w64_demuxer_deps="wav_demuxer"
1347
1348 # indevs / outdevs
1349 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1350 alsa_indev_extralibs="-lasound"
1351 alsa_outdev_deps="alsa_asoundlib_h"
1352 alsa_outdev_extralibs="-lasound"
1353 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1354 dv1394_indev_deps="dv1394 dv_demuxer"
1355 jack_indev_deps="jack_jack_h"
1356 jack_indev_extralibs="-ljack"
1357 libdc1394_indev_deps="libdc1394"
1358 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1359 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1360 v4l_indev_deps="linux_videodev_h"
1361 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1362 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1363 vfwcap_indev_extralibs="-lavicap32"
1364 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1365 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1366
1367 # protocols
1368 gopher_protocol_deps="network"
1369 http_protocol_deps="network"
1370 http_protocol_select="tcp_protocol"
1371 mmst_protocol_deps="network"
1372 rtmp_protocol_select="tcp_protocol"
1373 rtp_protocol_select="udp_protocol"
1374 tcp_protocol_deps="network"
1375 udp_protocol_deps="network"
1376
1377 # filters
1378 movie_filter_deps="avfilter_lavf"
1379 avfilter_lavf_deps="avformat"
1380
1381 # libraries
1382 avdevice_deps="avcodec avformat"
1383 avformat_deps="avcodec"
1384
1385 # programs
1386 ffmpeg_deps="avcodec avformat swscale"
1387 ffmpeg_select="buffer_filter"
1388 ffplay_deps="avcodec avformat swscale sdl"
1389 ffplay_select="rdft"
1390 ffprobe_deps="avcodec avformat"
1391 ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1392 ffserver_extralibs='$ldl'
1393
1394 doc_deps="texi2html"
1395
1396 # tests
1397
1398 test_deps(){
1399     suf1=$1
1400     suf2=$2
1401     shift 2
1402     for v; do
1403         dep=${v%=*}
1404         tests=${v#*=}
1405         for name in ${tests}; do
1406             eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1407         done
1408     done
1409 }
1410
1411 test_deps _encoder _decoder                                             \
1412     ac3                                                                 \
1413     adpcm_g726=g726                                                     \
1414     adpcm_ima_qt                                                        \
1415     adpcm_ima_wav                                                       \
1416     adpcm_ms                                                            \
1417     adpcm_swf                                                           \
1418     adpcm_yamaha=adpcm_yam                                              \
1419     alac                                                                \
1420     asv1                                                                \
1421     asv2                                                                \
1422     bmp                                                                 \
1423     dnxhd="hdxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1424     dvvideo="dv dv50"                                                   \
1425     ffv1                                                                \
1426     flac                                                                \
1427     flashsv                                                             \
1428     flv                                                                 \
1429     gif                                                                 \
1430     h261                                                                \
1431     h263="h263 h263p"                                                   \
1432     huffyuv                                                             \
1433     jpegls                                                              \
1434     mjpeg="jpg mjpeg ljpeg"                                             \
1435     mp2                                                                 \
1436     mpeg1video="mpeg mpeg1b"                                            \
1437     mpeg2video="mpeg2 mpeg2thread"                                      \
1438     mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc"                 \
1439     msmpeg4v1=msmpeg4                                                   \
1440     msmpeg4v2                                                           \
1441     pbm=pbmpipe                                                         \
1442     pcx                                                                 \
1443     pgm="pgm pgmpipe"                                                   \
1444     ppm="ppm ppmpipe"                                                   \
1445     rawvideo="rgb yuv"                                                  \
1446     roq                                                                 \
1447     rv10                                                                \
1448     rv20                                                                \
1449     sgi                                                                 \
1450     snow="snow snowll"                                                  \
1451     svq1                                                                \
1452     targa=tga                                                           \
1453     tiff                                                                \
1454     wmav1                                                               \
1455     wmav2                                                               \
1456     wmv1                                                                \
1457     wmv2                                                                \
1458
1459 test_deps _muxer _demuxer                                               \
1460     aiff                                                                \
1461     pcm_alaw=alaw                                                       \
1462     asf                                                                 \
1463     au                                                                  \
1464     avi                                                                 \
1465     dv=dv_fmt                                                           \
1466     ffm                                                                 \
1467     flv=flv_fmt                                                         \
1468     gxf                                                                 \
1469     matroska=mkv                                                        \
1470     mmf                                                                 \
1471     mov                                                                 \
1472     pcm_mulaw=mulaw                                                     \
1473     mxf                                                                 \
1474     nut                                                                 \
1475     ogg                                                                 \
1476     rawvideo=pixfmt                                                     \
1477     rm                                                                  \
1478     swf                                                                 \
1479     mpegts=ts                                                           \
1480     voc                                                                 \
1481     wav                                                                 \
1482     yuv4mpegpipe=yuv4mpeg                                               \
1483
1484 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1485
1486 # default parameters
1487
1488 logfile="config.log"
1489
1490 # installation paths
1491 prefix_default="/usr/local"
1492 bindir_default='${prefix}/bin'
1493 datadir_default='${prefix}/share/ffmpeg'
1494 incdir_default='${prefix}/include'
1495 libdir_default='${prefix}/lib'
1496 mandir_default='${prefix}/share/man'
1497 shlibdir_default="$libdir_default"
1498
1499 # toolchain
1500 ar_default="ar"
1501 cc_default="gcc"
1502 cc_version=\"unknown\"
1503 host_cc_default="gcc"
1504 ln_s="ln -sf"
1505 nm_default="nm"
1506 objformat="elf"
1507 ranlib="ranlib"
1508 strip_default="strip"
1509 yasmexe="yasm"
1510 nogas=":"
1511
1512 nm_opts='-g'
1513
1514 # machine
1515 arch_default=$(uname -m)
1516 cpu="generic"
1517
1518 # OS
1519 target_os_default=$(tolower $(uname -s))
1520 host_os=$target_os_default
1521
1522 # configurable options
1523 enable avcodec
1524 enable avdevice
1525 enable avfilter
1526 enable avformat
1527 enable avutil
1528 enable asm
1529 enable debug
1530 enable doc
1531 enable fastdiv
1532 enable ffmpeg
1533 enable ffplay
1534 enable ffprobe
1535 enable ffserver
1536 enable mpegaudio_hp
1537 enable network
1538 enable optimizations
1539 enable protocols
1540 enable static
1541 enable stripping
1542 enable swscale
1543 enable swscale_alpha
1544
1545 # build settings
1546 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1547 FFSERVERLDFLAGS=-Wl,-E
1548 LIBPREF="lib"
1549 LIBSUF=".a"
1550 FULLNAME='$(NAME)$(BUILDSUF)'
1551 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1552 SLIBPREF="lib"
1553 SLIBSUF=".so"
1554 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1555 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1556 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1557 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1558
1559 CC_O='-o $@'
1560
1561 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1562 host_libs='-lm'
1563
1564 target_path='$(CURDIR)'
1565
1566 # since the object filename is not given with the -MM flag, the compiler
1567 # is only able to print the basename, and we must add the path ourselves
1568 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1569 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1570
1571 # find source path
1572 source_path="$(dirname "$0")"
1573 enable source_path_used
1574 if test -f configure; then
1575     source_path="$(pwd)"
1576     disable source_path_used
1577 else
1578     source_path="$(cd "$source_path"; pwd)"
1579     echo "$source_path" | grep -q '[[:blank:]]' &&
1580         die "Out of tree builds are impossible with whitespace in source path."
1581     test -e "$source_path/config.h" &&
1582         die "Out of tree builds are impossible with config.h in source dir."
1583 fi
1584
1585 for v in "$@"; do
1586     r=${v#*=}
1587     l=${v%"$r"}
1588     r=$(sh_quote "$r")
1589     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1590 done
1591
1592 find_things(){
1593     thing=$1
1594     pattern=$2
1595     file=$source_path/$3
1596     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1597 }
1598
1599 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1600 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1601 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1602 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1603 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1604 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1605 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1606 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1607 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1608 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1609 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1610
1611 find_tests(){
1612     map 'echo ${v}_test' $(ls "$source_path"/tests/ref/$1)
1613 }
1614
1615 ACODEC_TESTS=$(find_tests acodec)
1616 VCODEC_TESTS=$(find_tests vsynth1)
1617 LAVF_TESTS=$(find_tests lavf)
1618
1619 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1620
1621 for n in $COMPONENT_LIST; do
1622     v=$(toupper ${n%s})_LIST
1623     eval enable \$$v
1624     eval ${n}_if_any="\$$v"
1625 done
1626
1627 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS
1628
1629 die_unknown(){
1630     echo "Unknown option \"$1\"."
1631     echo "See $0 --help for available options."
1632     exit 1
1633 }
1634
1635 show_list() {
1636     suffix=_$1
1637     shift
1638     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1639     exit 0
1640 }
1641
1642 for opt do
1643     optval="${opt#*=}"
1644     case "$opt" in
1645     --extra-ldflags=*) add_ldflags $optval
1646     ;;
1647     --extra-libs=*) add_extralibs $optval
1648     ;;
1649     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1650     ;;
1651     --enable-debug=*) debuglevel="$optval"
1652     ;;
1653     --disable-everything)
1654     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1655     ;;
1656     --enable-*=*|--disable-*=*)
1657     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1658     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1659     eval list=\$$(toupper $thing)_LIST
1660     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1661     $action $(filter "$name" $list)
1662     ;;
1663     --enable-?*|--disable-?*)
1664     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1665     if is_in $option $COMPONENT_LIST; then
1666         test $action = disable && action=unset
1667         eval $action \$$(toupper ${option%s})_LIST
1668     elif is_in $option $CMDLINE_SELECT; then
1669         $action $option
1670     else
1671         die_unknown $opt
1672     fi
1673     ;;
1674     --list-*)
1675         NAME="${opt#--list-}"
1676         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1677         NAME=${NAME%s}
1678         eval show_list $NAME \$$(toupper $NAME)_LIST
1679     ;;
1680     --help|-h) show_help
1681     ;;
1682     *)
1683     optname="${opt%%=*}"
1684     optname="${optname#--}"
1685     optname=$(echo "$optname" | sed 's/-/_/g')
1686     if is_in $optname $CMDLINE_SET; then
1687         eval $optname='$optval'
1688     elif is_in $optname $CMDLINE_APPEND; then
1689         append $optname "$optval"
1690     else
1691          die_unknown $opt
1692     fi
1693     ;;
1694     esac
1695 done
1696
1697 disabled logging && logfile=/dev/null
1698
1699 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1700 set >> $logfile
1701
1702 test -n "$cross_prefix" && enable cross_compile
1703
1704 if enabled cross_compile; then
1705     test -n "$arch" && test -n "$target_os" ||
1706         die "Must specify target arch and OS when cross-compiling"
1707 fi
1708
1709 set_default arch target_os
1710
1711 ar_default="${cross_prefix}${ar_default}"
1712 cc_default="${cross_prefix}${cc_default}"
1713 nm_default="${cross_prefix}${nm_default}"
1714 ranlib="${cross_prefix}${ranlib}"
1715 strip_default="${cross_prefix}${strip_default}"
1716
1717 sysinclude_default="${sysroot}/usr/include"
1718
1719 set_default cc nm strip sysinclude
1720 enabled cross_compile || host_cc_default=$cc
1721 set_default host_cc
1722
1723 exesuf() {
1724     case $1 in
1725         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1726     esac
1727 }
1728
1729 EXESUF=$(exesuf $target_os)
1730 HOSTEXESUF=$(exesuf $host_os)
1731
1732 # set temporary file name
1733 : ${TMPDIR:=$TEMPDIR}
1734 : ${TMPDIR:=$TMP}
1735 : ${TMPDIR:=/tmp}
1736
1737 if ! check_cmd type mktemp; then
1738     # simple replacement for missing mktemp
1739     # NOT SAFE FOR GENERAL USE
1740     mktemp(){
1741         echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1742     }
1743 fi
1744
1745 tmpfile(){
1746     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1747         (set -C; exec > $tmp) 2>/dev/null ||
1748         die "Unable to create temporary file in $TMPDIR."
1749     append TMPFILES $tmp
1750     eval $1=$tmp
1751 }
1752
1753 trap 'rm -f -- $TMPFILES' EXIT
1754 trap exit HUP INT TERM
1755
1756 tmpfile TMPC  .c
1757 tmpfile TMPE  $EXESUF
1758 tmpfile TMPH  .h
1759 tmpfile TMPO  .o
1760 tmpfile TMPS  .S
1761 tmpfile TMPV  .ver
1762 tmpfile TMPSH .sh
1763
1764 unset -f mktemp
1765
1766 # make sure we can execute files in $TMPDIR
1767 cat > $TMPSH 2>> $logfile <<EOF
1768 #! /bin/sh
1769 EOF
1770 chmod +x $TMPSH >> $logfile 2>&1
1771 if ! $TMPSH >> $logfile 2>&1; then
1772     cat <<EOF
1773 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1774 variable to another directory and make sure that it is not mounted noexec.
1775 EOF
1776     die "Sanity test failed."
1777 fi
1778
1779 filter_cflags=echo
1780 filter_cppflags=echo
1781 filter_asflags=echo
1782
1783 if   $cc -v 2>&1 | grep -qi ^gcc; then
1784     cc_type=gcc
1785     cc_version=__VERSION__
1786     if ! $cc -dumpversion | grep -q '^2\.'; then
1787         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1788         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1789     fi
1790     speed_cflags='-O3'
1791     size_cflags='-Os'
1792 elif $cc --version 2>/dev/null | grep -q Intel; then
1793     cc_type=icc
1794     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1795     CC_DEPFLAGS='-MMD'
1796     AS_DEPFLAGS='-MMD'
1797     speed_cflags='-O3'
1798     size_cflags='-Os'
1799     noopt_cflags='-O1'
1800 elif $cc -v 2>&1 | grep -q xlc; then
1801     cc_type=xlc
1802     cc_version="AV_STRINGIFY(__IBMC__)"
1803     speed_cflags='-O5'
1804     size_cflags='-O5 -qcompact'
1805 elif $cc -V 2>/dev/null | grep -q Compaq; then
1806     cc_type=ccc
1807     cc_version="AV_STRINGIFY(__DECC_VER)"
1808     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1809     debuglevel=3
1810     add_ldflags -Wl,-z,now # calls to libots crash without this
1811     speed_cflags='-fast'
1812     size_cflags='-O1'
1813 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1814     test -d "$sysroot" || die "No valid sysroot specified."
1815     cc_type=armcc
1816     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1817     armcc_conf="$PWD/armcc.conf"
1818     $cc --arm_linux_configure                 \
1819         --arm_linux_config_file="$armcc_conf" \
1820         --configure_sysroot="$sysroot"        \
1821         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1822         die "Error creating armcc configuration file."
1823     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1824     as_default="${cross_prefix}gcc"
1825     CC_DEPFLAGS='-MMD'
1826     AS_DEPFLAGS='-MMD'
1827     speed_cflags='-O3'
1828     size_cflags='-Os'
1829 elif $cc -version 2>/dev/null | grep -q TMS470; then
1830     cc_type=tms470
1831     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1832     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1833     CC_O='-fr=$(@D)'
1834     as_default="${cross_prefix}gcc"
1835     ld_default="${cross_prefix}gcc"
1836     TMPO=$(basename $TMPC .c).o
1837     append TMPFILES $TMPO
1838     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1839     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1840     AS_DEPFLAGS='-MMD'
1841     speed_cflags='-O3 -mf=5'
1842     size_cflags='-O3 -mf=2'
1843     filter_cflags=tms470_flags
1844     tms470_flags(){
1845         for flag; do
1846             case $flag in
1847                 -march=*|-mcpu=*)
1848                     case "${flag#*=}" in
1849                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
1850                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
1851                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
1852                         armv6*|arm11*)          echo -mv=6   ;;
1853                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1854                                                 echo -mv=5e  ;;
1855                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1856                     esac
1857                     ;;
1858                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1859                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
1860                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
1861                 -msoft-float)   echo --float_support=vfplib       ;;
1862                 -O[0-3]|-mf=*)  echo $flag                        ;;
1863                 -g)             echo -g -mn                       ;;
1864                 -pds=*)         echo $flag                        ;;
1865             esac
1866         done
1867     }
1868 elif $cc -v 2>&1 | grep -q clang; then
1869     cc_type=clang
1870     $cc -dM -E $TMPC | grep -q __clang_version__ &&
1871         cc_version=__clang_version__ || cc_version=__VERSION__
1872     CC_DEPFLAGS='-MMD'
1873     AS_DEPFLAGS='-MMD'
1874     speed_cflags='-O3'
1875     size_cflags='-Os'
1876 elif $cc -V 2>&1 | grep -q Sun; then
1877     cc_type=suncc
1878     cc_version="AV_STRINGIFY(__SUNPRO_C)"
1879     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1880     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1881     speed_cflags='-O5'
1882     size_cflags='-O5 -xspace'
1883     filter_cflags=suncc_flags
1884     suncc_flags(){
1885         for flag; do
1886             case $flag in
1887                 -march=*|-mcpu=*)
1888                     case "${flag#*=}" in
1889                         native)                   echo -xtarget=native       ;;
1890                         v9|niagara)               echo -xarch=sparc          ;;
1891                         ultrasparc)               echo -xarch=sparcvis       ;;
1892                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
1893                         i586|pentium)             echo -xchip=pentium        ;;
1894                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
1895                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
1896                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
1897                         pentium4*)          echo -xtarget=pentium4           ;;
1898                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
1899                         *-sse3)             echo -xarch=sse3                 ;;
1900                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
1901                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
1902                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
1903                         k8|opteron|athlon64|athlon-fx)
1904                                                   echo -xarch=sse2a          ;;
1905                         athlon*)                  echo -xarch=pentium_proa   ;;
1906                     esac
1907                     ;;
1908                 -std=c99)             echo -xc99              ;;
1909                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
1910                 -fPIC)                echo -KPIC -xcode=pic32 ;;
1911                 -W*,*)                echo $flag              ;;
1912                 -f*-*|-W*)                                    ;;
1913                 *)                    echo $flag              ;;
1914             esac
1915         done
1916     }
1917 fi
1918
1919 test -n "$cc_type" && enable $cc_type ||
1920     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
1921
1922 : ${as_default:=$cc}
1923 : ${dep_cc_default:=$cc}
1924 : ${ld_default:=$cc}
1925 set_default ar as dep_cc ld
1926
1927 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1928 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1929
1930 add_cflags $extra_cflags
1931 add_asflags $extra_cflags
1932
1933 if test -n "$sysroot"; then
1934     case "$cc_type" in
1935         gcc)
1936             add_cppflags --sysroot="$sysroot"
1937             add_ldflags --sysroot="$sysroot"
1938         ;;
1939         tms470)
1940             add_cppflags -I"$sysinclude"
1941             add_ldflags  --sysroot="$sysroot"
1942         ;;
1943         clang)
1944             add_cppflags -isysroot "$sysroot"
1945             add_ldflags -isysroot "$sysroot"
1946         ;;
1947     esac
1948 fi
1949
1950 if test "$cpu" = host; then
1951     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1952
1953     case "$cc_type" in
1954         gcc)
1955             check_native(){
1956                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1957                 sed -n "/$1=/{
1958                             s/.*$1=\\([^ ]*\\).*/\\1/
1959                             p
1960                             q
1961                         }" $TMPE
1962             }
1963             cpu=$(check_native -march || check_native -mcpu)
1964         ;;
1965     esac
1966
1967     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1968 fi
1969
1970 # Deal with common $arch aliases
1971 case "$arch" in
1972     arm*)
1973         arch="arm"
1974     ;;
1975     mips|mipsel|IP*)
1976         arch="mips"
1977     ;;
1978     mips64*)
1979         arch="mips"
1980         subarch="mips64"
1981     ;;
1982     parisc|hppa)
1983         arch="parisc"
1984     ;;
1985     parisc64|hppa64)
1986         arch="parisc"
1987         subarch="parisc64"
1988     ;;
1989     "Power Macintosh"|ppc|powerpc)
1990         arch="ppc"
1991     ;;
1992     ppc64|powerpc64)
1993         arch="ppc"
1994         subarch="ppc64"
1995     ;;
1996     s390|s390x)
1997         arch="s390"
1998     ;;
1999     sh4|sh)
2000         arch="sh4"
2001     ;;
2002     sun4u|sparc64)
2003         arch="sparc"
2004         subarch="sparc64"
2005     ;;
2006     i[3-6]86|i86pc|BePC|x86_64|amd64)
2007         arch="x86"
2008     ;;
2009 esac
2010
2011 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2012 enable $arch
2013
2014 # Add processor-specific flags
2015 if test "$cpu" = generic; then
2016     : do nothing
2017 elif enabled ppc; then
2018
2019     case $(tolower $cpu) in
2020         601|ppc601|powerpc601)
2021             cpuflags="-mcpu=601"
2022             disable altivec
2023         ;;
2024         603*|ppc603*|powerpc603*)
2025             cpuflags="-mcpu=603"
2026             disable altivec
2027         ;;
2028         604*|ppc604*|powerpc604*)
2029             cpuflags="-mcpu=604"
2030             disable altivec
2031         ;;
2032         g3|75*|ppc75*|powerpc75*)
2033             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2034             disable altivec
2035         ;;
2036         g4|745*|ppc745*|powerpc745*)
2037             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2038         ;;
2039         74*|ppc74*|powerpc74*)
2040             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2041         ;;
2042         g5|970|ppc970|powerpc970|power4*)
2043             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2044         ;;
2045         cell)
2046             cpuflags="-mcpu=cell"
2047             enable ldbrx
2048         ;;
2049         e500v2)
2050             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2051             disable altivec
2052         ;;
2053         e500)
2054             cpuflags="-mcpu=8540 -mhard-float"
2055             disable altivec
2056         ;;
2057     esac
2058
2059 elif enabled x86; then
2060
2061     case $cpu in
2062         i[345]86|pentium)
2063             cpuflags="-march=$cpu"
2064             disable mmx
2065         ;;
2066         # targets that do NOT support conditional mov (cmov)
2067         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2068             cpuflags="-march=$cpu"
2069             disable cmov
2070         ;;
2071         # targets that do support conditional mov (cmov)
2072         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona)
2073             cpuflags="-march=$cpu"
2074             enable cmov
2075             enable fast_cmov
2076         ;;
2077         # targets that do support conditional mov but on which it's slow
2078         pentium4|pentium4m|prescott|nocona)
2079             cpuflags="-march=$cpu"
2080             enable cmov
2081             disable fast_cmov
2082         ;;
2083     esac
2084
2085 elif enabled sparc; then
2086
2087     case $cpu in
2088         niagara)
2089             cpuflags="-mcpu=$cpu"
2090             disable vis
2091         ;;
2092         sparc64)
2093             cpuflags="-mcpu=v9"
2094         ;;
2095     esac
2096
2097 elif enabled arm; then
2098
2099     case $cpu in
2100         armv*)
2101             cpuflags="-march=$cpu"
2102         ;;
2103         *)
2104             cpuflags="-mcpu=$cpu"
2105         ;;
2106     esac
2107
2108 elif enabled alpha; then
2109
2110     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2111
2112 elif enabled bfin; then
2113
2114     cpuflags="-mcpu=$cpu"
2115
2116 elif enabled mips; then
2117
2118     cpuflags="-march=$cpu"
2119
2120 elif enabled avr32; then
2121
2122     case $cpu in
2123         ap7[02]0[0-2])
2124             subarch="avr32_ap"
2125             cpuflags="-mpart=$cpu"
2126         ;;
2127         ap)
2128             subarch="avr32_ap"
2129             cpuflags="-march=$cpu"
2130         ;;
2131         uc3[ab]*)
2132             subarch="avr32_uc"
2133             cpuflags="-mcpu=$cpu"
2134         ;;
2135         uc)
2136             subarch="avr32_uc"
2137             cpuflags="-march=$cpu"
2138         ;;
2139     esac
2140
2141 fi
2142
2143 add_cflags $cpuflags
2144 add_asflags $cpuflags
2145
2146 # compiler sanity check
2147 check_exec <<EOF
2148 int main(void){ return 0; }
2149 EOF
2150 if test "$?" != 0; then
2151     echo "$cc is unable to create an executable file."
2152     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2153         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2154         echo "Only do this if you know what cross compiling means."
2155     fi
2156     die "C compiler test failed."
2157 fi
2158
2159 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2160 check_cflags -std=c99
2161 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2162 #include <stdlib.h>
2163 EOF
2164 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2165 #include <stdlib.h>
2166 EOF
2167
2168 check_host_cflags -std=c99
2169
2170 case "$arch" in
2171     alpha|ia64|mips|parisc|sparc)
2172         spic=$shared
2173     ;;
2174     x86)
2175         subarch="x86_32"
2176         check_cc <<EOF && subarch="x86_64"
2177         int test[(int)sizeof(char*) - 7];
2178 EOF
2179         if test "$subarch" = "x86_64"; then
2180             spic=$shared
2181         fi
2182     ;;
2183 esac
2184
2185 enable $subarch
2186 enabled spic && enable pic
2187
2188 # OS specific
2189 case $target_os in
2190     haiku)
2191         prefix_default="/boot/common"
2192         network_extralibs="-lnetwork"
2193         ;;
2194     sunos)
2195         FFSERVERLDFLAGS=""
2196         SHFLAGS='-shared -Wl,-h,$$(@F)'
2197         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2198         network_extralibs="-lsocket -lnsl"
2199         add_cppflags -D__EXTENSIONS__
2200         nm_opts='-P -g'
2201         ;;
2202     netbsd)
2203         oss_indev_extralibs="-lossaudio"
2204         oss_outdev_extralibs="-lossaudio"
2205         add_cppflags -D_XOPEN_SOURCE=600
2206         ;;
2207     openbsd)
2208         enable malloc_aligned
2209         # On OpenBSD 4.5. the compiler does not use PIC unless
2210         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2211         # however the generated executable will not do anything
2212         # (simply quits with exit-code 1, no crash, no output).
2213         # Thus explicitly enable PIC here.
2214         enable pic
2215         SHFLAGS='-shared'
2216         oss_indev_extralibs="-lossaudio"
2217         oss_outdev_extralibs="-lossaudio"
2218         ;;
2219     freebsd|dragonfly)
2220         enable malloc_aligned
2221         ;;
2222     bsd/os)
2223         add_extralibs -lpoll -lgnugetopt
2224         strip="strip -d"
2225         ;;
2226     darwin)
2227         enable malloc_aligned
2228         gas="gas-preprocessor.pl $cc"
2229         enabled ppc && add_asflags -force_cpusubtype_ALL
2230         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2231         strip="${strip} -x"
2232         add_ldflags -Wl,-dynamic,-search_paths_first
2233         SLIBSUF=".dylib"
2234         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2235         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2236         FFSERVERLDFLAGS=-Wl,-bind_at_load
2237         objformat="macho"
2238         enabled x86_64 && objformat="macho64"
2239         enabled_any pic shared ||
2240             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2241         ;;
2242     mingw32*)
2243         if test $target_os = "mingw32ce"; then
2244             disable network
2245         else
2246             target_os=mingw32
2247         fi
2248         LIBTARGET=i386
2249         if enabled x86_64; then
2250             enable malloc_aligned
2251             LIBTARGET=x64
2252         elif enabled arm; then
2253             LIBTARGET=arm
2254         fi
2255         shlibdir_default="$bindir_default"
2256         disable ffserver
2257         SLIBPREF=""
2258         SLIBSUF=".dll"
2259         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2260         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2261         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2262         SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2263             install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2264             install -d "$(LIBDIR)"; \
2265             install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2266         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2267         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2268         objformat="win32"
2269         enable dos_paths
2270         check_cflags -fno-common
2271         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2272                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2273                 die "ERROR: MinGW runtime version must be >= 3.15."
2274         ;;
2275     cygwin*)
2276         target_os=cygwin
2277         shlibdir_default="$bindir_default"
2278         SLIBPREF="cyg"
2279         SLIBSUF=".dll"
2280         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2281         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2282         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2283         objformat="win32"
2284         enable dos_paths
2285         check_cflags -fno-common
2286         ;;
2287     *-dos|freedos|opendos)
2288         disable ffplay ffserver
2289         disable $INDEV_LIST $OUTDEV_LIST
2290         network_extralibs="-lsocket"
2291         objformat="coff"
2292         enable dos_paths
2293         ;;
2294     linux)
2295         enable dv1394
2296         ;;
2297     irix*)
2298         target_os=irix
2299         ranlib="echo ignoring ranlib"
2300         ;;
2301     os/2*)
2302         strip="lxlite"
2303         ln_s="cp -f"
2304         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2305         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2306         FFSERVERLDFLAGS=""
2307         LIBSUF="_s.a"
2308         SLIBPREF=""
2309         SLIBSUF=".dll"
2310         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2311         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2312         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2313           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2314           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2315           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2316           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2317           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2318         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2319           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2320         SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2321         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2322         enable dos_paths
2323         ;;
2324     gnu/kfreebsd)
2325         ;;
2326     gnu)
2327         ;;
2328     none)
2329         ;;
2330     *)
2331         die "Unknown OS '$target_os'."
2332         ;;
2333 esac
2334
2335 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2336
2337 set_default $PATHS_LIST
2338
2339 # we need to build at least one lib type
2340 if ! enabled_any static shared; then
2341     cat <<EOF
2342 At least one library type must be built.
2343 Specify --enable-static to build the static libraries or --enable-shared to
2344 build the shared libraries as well. To only build the shared libraries specify
2345 --disable-static in addition to --enable-shared.
2346 EOF
2347     exit 1;
2348 fi
2349
2350 disabled static && LIBNAME=""
2351
2352 die_license_disabled() {
2353     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2354 }
2355
2356 die_license_disabled gpl libx264
2357 die_license_disabled gpl libxvid
2358 die_license_disabled gpl postproc
2359 die_license_disabled gpl x11grab
2360
2361 die_license_disabled nonfree libfaac
2362
2363 die_license_disabled version3 libopencore_amrnb
2364 die_license_disabled version3 libopencore_amrwb
2365
2366 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2367
2368 check_deps $ARCH_EXT_LIST
2369
2370 disabled optimizations || check_cflags -fomit-frame-pointer
2371
2372 enable_pic() {
2373     enable pic
2374     add_cppflags -DPIC
2375     add_cflags   -fPIC
2376     add_asflags  -fPIC
2377 }
2378
2379 enabled pic && enable_pic
2380
2381 check_cc <<EOF || die "Symbol mangling check failed."
2382 int ff_extern;
2383 EOF
2384 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2385 extern_prefix=${sym%%ff_extern*}
2386
2387 check_cc <<EOF && enable inline_asm
2388 void foo(void) { __asm__ volatile ("" ::); }
2389 EOF
2390
2391 _restrict=
2392 for restrict_keyword in restrict __restrict__ __restrict; do
2393     check_cc <<EOF && _restrict=$restrict_keyword && break
2394 void foo(char * $restrict_keyword p);
2395 EOF
2396 done
2397
2398 check_cc <<EOF && enable attribute_packed
2399 struct { int x; } __attribute__((packed)) x;
2400 EOF
2401
2402 check_cc <<EOF && enable attribute_may_alias
2403 union { int x; } __attribute__((may_alias)) x;
2404 EOF
2405
2406 check_cc <<EOF || die "endian test failed"
2407 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2408 EOF
2409 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2410
2411 if enabled alpha; then
2412
2413     check_cflags -mieee
2414
2415 elif enabled arm; then
2416
2417     check_cflags -marm
2418     nogas=die
2419
2420     check_ld <<EOF && enable vfp_args
2421 __asm__ (".eabi_attribute 28, 1");
2422 int main(void) { return 0; }
2423 EOF
2424
2425     # We have to check if pld is a nop and disable it.
2426     check_asm pld '"pld [r0]"'
2427
2428     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2429     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2430     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2431     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2432     enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2433     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2434
2435     enabled_all armv6t2 shared !pic && enable_pic
2436
2437 elif enabled mips; then
2438
2439     check_asm loongson '"dmult.g $1, $2, $3"'
2440     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2441
2442 elif enabled ppc; then
2443
2444     enable local_aligned_8 local_aligned_16
2445
2446     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2447     check_asm ibm_asm   '"add 0, 0, 0"'
2448     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2449     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2450
2451     # AltiVec flags: The FSF version of GCC differs from the Apple version
2452     if enabled altivec; then
2453         nogas=warn
2454         check_cflags -maltivec -mabi=altivec &&
2455         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2456         check_cflags -faltivec
2457
2458         # check if our compiler supports Motorola AltiVec C API
2459         check_cc <<EOF || disable altivec
2460 $inc_altivec_h
2461 int main(void) {
2462     vector signed int v1, v2, v3;
2463     v1 = vec_add(v2,v3);
2464     return 0;
2465 }
2466 EOF
2467
2468         # check if our compiler supports braces for vector declarations
2469         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2470 $inc_altivec_h
2471 int main (void) { (vector int) {1}; return 0; }
2472 EOF
2473     fi
2474
2475 elif enabled sparc; then
2476
2477     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2478         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2479
2480 elif enabled x86; then
2481
2482     enable local_aligned_8 local_aligned_16
2483
2484     # check whether EBP is available on x86
2485     # As 'i' is stored on the stack, this program will crash
2486     # if the base pointer is used to access it because the
2487     # base pointer is cleared in the inline assembly code.
2488     check_exec_crash <<EOF && enable ebp_available
2489     volatile int i=0;
2490     __asm__ volatile (
2491         "xorl %%ebp, %%ebp"
2492     ::: "%ebp");
2493     return i;
2494 EOF
2495
2496     # check whether EBX is available on x86
2497     check_asm ebx_available '""::"b"(0)' &&
2498         check_asm ebx_available '"":::"%ebx"'
2499
2500     # check whether more than 10 operands are supported
2501     check_cc <<EOF && enable ten_operands
2502 int main(void) {
2503     int x=0;
2504     __asm__ volatile(
2505         ""
2506         :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2507     );
2508     return 0;
2509 }
2510 EOF
2511
2512     # check whether binutils is new enough to compile SSSE3/MMX2
2513     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2514     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2515
2516     check_asm bswap '"bswap %%eax" ::: "%eax"'
2517
2518     YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2519     enabled     x86_64        && append YASMFLAGS "-m amd64"
2520     enabled     pic           && append YASMFLAGS "-DPIC"
2521     test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2522     case "$objformat" in
2523         elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2524     esac
2525     if ! disabled yasm; then
2526         check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2527             warn "yasm not found, performance will suffer"
2528     fi
2529
2530     case "$cpu" in
2531         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2532             disable fast_clz
2533         ;;
2534     esac
2535
2536 fi
2537
2538 if enabled asm; then
2539     as=${gas:=$as}
2540     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2541         $nogas "GNU assembler not found, install gas-preprocessor"
2542 fi
2543
2544 if check_func dlopen; then
2545     ldl=
2546 elif check_func dlopen -ldl; then
2547     ldl=-ldl
2548 fi
2549
2550 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2551 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2552
2553 check_func  fcntl
2554 check_func  fork
2555 check_func  getaddrinfo $network_extralibs
2556 check_func  gethrtime
2557 check_func  getrusage
2558 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2559 check_func  inet_aton $network_extralibs
2560 check_func  isatty
2561 check_func  ${malloc_prefix}memalign            && enable memalign
2562 check_func  mkstemp
2563 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2564 check_func  setrlimit
2565 check_func  strerror_r
2566 check_func_headers io.h setmode
2567 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2568 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2569 check_func_headers windows.h GetProcessTimes
2570 check_func_headers windows.h VirtualAlloc
2571
2572 check_header conio.h
2573 check_header dlfcn.h
2574 check_header dxva2api.h
2575 check_header malloc.h
2576 check_header poll.h
2577 check_header sys/mman.h
2578 check_header sys/resource.h
2579 check_header sys/select.h
2580 check_header termios.h
2581 check_header vdpau/vdpau.h
2582 check_header vdpau/vdpau_x11.h
2583 check_header X11/extensions/XvMClib.h
2584
2585 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2586
2587 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2588      enabled_any $need_memalign ; then
2589     die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2590 fi
2591
2592 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2593 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2594
2595 # check for some common methods of building with pthread support
2596 # do this before the optional library checks as some of them require pthreads
2597 if ! disabled pthreads && ! enabled w32threads; then
2598     enable pthreads
2599     if check_func pthread_create; then
2600         :
2601     elif check_func pthread_create -pthread; then
2602         add_cflags -pthread
2603         add_extralibs -pthread
2604     elif check_func pthread_create -pthreads; then
2605         add_cflags -pthreads
2606         add_extralibs -pthreads
2607     elif check_func pthread_create -lpthreadGC2; then
2608         add_extralibs -lpthreadGC2
2609     elif ! check_lib pthread.h pthread_create -lpthread; then
2610         disable pthreads
2611     fi
2612 fi
2613
2614 for thread in $THREADS_LIST; do
2615     if enabled $thread; then
2616         test -n "$thread_type" &&
2617             die "ERROR: Only one thread type must be selected." ||
2618             thread_type="$thread"
2619     fi
2620 done
2621
2622 check_lib math.h sin -lm
2623 disabled vaapi || check_lib va/va.h vaInitialize -lva
2624
2625 check_mathfunc exp2
2626 check_mathfunc exp2f
2627 check_mathfunc llrint
2628 check_mathfunc llrintf
2629 check_mathfunc log2
2630 check_mathfunc log2f
2631 check_mathfunc lrint
2632 check_mathfunc lrintf
2633 check_mathfunc round
2634 check_mathfunc roundf
2635 check_mathfunc truncf
2636
2637 # these are off by default, so fail if requested and not available
2638 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2639 enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2640                       require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2641                       require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2642 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2643 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
2644 enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame
2645 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2646 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2647 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2648 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2649 enabled librtmp    && { check_lib librtmp/rtmp.h RTMP_Socket $(pkg-config --libs librtmp) ||
2650                         die "ERROR: librtmp not found or RTMP_Socket() missing, librtmp version must be >= 2.2.f"; }
2651 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2652                            require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2653 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2654 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2655 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2656 enabled libvpx     && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx &&
2657                         check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2658                       die "ERROR: libvpx version must be >=0.9.1"; }
2659 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
2660                       { check_cpp_condition x264.h "X264_BUILD >= 98" ||
2661                         die "ERROR: libx264 version must be >= 0.98."; }
2662 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2663 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2664
2665 # libdc1394 check
2666 if enabled libdc1394; then
2667     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2668         enable libdc1394_2; } ||
2669     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2670         enable libdc1394_1; } ||
2671     die "ERROR: No version of libdc1394 found "
2672 fi
2673
2674 SDL_CONFIG="${cross_prefix}sdl-config"
2675 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2676     sdl_cflags=$("${SDL_CONFIG}" --cflags)
2677     sdl_libs=$("${SDL_CONFIG}" --libs)
2678     check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2679     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2680     enable sdl &&
2681     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2682 fi
2683
2684 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2685
2686 if enabled network; then
2687     check_type "sys/types.h sys/socket.h" socklen_t
2688     check_type netdb.h "struct addrinfo"
2689     check_type netinet/in.h "struct ipv6_mreq"
2690     check_type netinet/in.h "struct sockaddr_in6"
2691     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2692     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2693     # Prefer arpa/inet.h over winsock2
2694     if check_header arpa/inet.h ; then
2695         check_func closesocket
2696     elif check_header winsock2.h ; then
2697         check_func_headers winsock2.h closesocket -lws2 && \
2698             network_extralibs="-lws2" || \
2699         { check_func_headers winsock2.h closesocket -lws2_32 && \
2700             network_extralibs="-lws2_32"; }
2701         check_type ws2tcpip.h socklen_t
2702         check_type ws2tcpip.h "struct addrinfo"
2703         check_type ws2tcpip.h "struct ipv6_mreq"
2704         check_type ws2tcpip.h "struct sockaddr_in6"
2705         check_type ws2tcpip.h "struct sockaddr_storage"
2706         check_struct winsock2.h "struct sockaddr" sa_len
2707     else
2708         disable network
2709     fi
2710 fi
2711
2712 check_header linux/videodev.h
2713 check_header linux/videodev2.h
2714 check_header sys/videoio.h
2715
2716 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2717 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2718 # w32api 3.12 had it defined wrong
2719 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2720
2721 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2722 { check_header dev/bktr/ioctl_meteor.h &&
2723   check_header dev/bktr/ioctl_bt848.h; } ||
2724 { check_header machine/ioctl_meteor.h &&
2725   check_header machine/ioctl_bt848.h; } ||
2726 { check_header dev/video/meteor/ioctl_meteor.h &&
2727   check_header dev/video/bktr/ioctl_bt848.h; } ||
2728 check_header dev/ic/bt8xx.h
2729
2730 check_header sys/soundcard.h
2731 check_header soundcard.h
2732
2733 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2734
2735 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2736
2737 enabled x11grab                         &&
2738 check_header X11/Xlib.h                 &&
2739 check_header X11/extensions/XShm.h      &&
2740 check_header X11/extensions/Xfixes.h    &&
2741 check_func XOpenDisplay -lX11           &&
2742 check_func XShmCreateImage -lX11 -lXext &&
2743 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2744
2745 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2746 check_cpp_condition \
2747     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2748     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2749       disable vdpau; }
2750 fi
2751
2752 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2753
2754 # add some useful compiler flags if supported
2755 check_cflags -Wdeclaration-after-statement
2756 check_cflags -Wall
2757 check_cflags -Wno-switch
2758 check_cflags -Wdisabled-optimization
2759 check_cflags -Wpointer-arith
2760 check_cflags -Wredundant-decls
2761 check_cflags -Wno-pointer-sign
2762 check_cflags -Wcast-qual
2763 check_cflags -Wwrite-strings
2764 check_cflags -Wtype-limits
2765 check_cflags -Wundef
2766 check_cflags -Wmissing-prototypes
2767 enabled extra_warnings && check_cflags -Winline
2768
2769 # add some linker flags
2770 check_ldflags -Wl,--warn-common
2771 check_ldflags -Wl,--as-needed
2772 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'
2773 check_ldflags -Wl,-Bsymbolic
2774
2775 echo "X{};" > $TMPV
2776 if test_ldflags -Wl,--version-script,$TMPV; then
2777     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2778     check_cc <<EOF && enable symver_asm_label
2779 void ff_foo(void) __asm__ ("av_foo@VERSION");
2780 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2781 EOF
2782     check_cc <<EOF && enable symver_gnu_asm
2783 __asm__(".symver ff_foo,av_foo@VERSION");
2784 void ff_foo(void) {}
2785 EOF
2786 fi
2787
2788 if enabled small; then
2789     add_cflags $size_cflags
2790     optimizations="small"
2791 elif enabled optimizations; then
2792     add_cflags $speed_cflags
2793 else
2794     add_cflags $noopt_cflags
2795 fi
2796 check_cflags -fno-math-errno
2797 check_cflags -fno-signed-zeros
2798
2799 if enabled icc; then
2800     # Just warnings, no remarks
2801     check_cflags -w1
2802     # -wd: Disable following warnings
2803     # 144, 167, 556: -Wno-pointer-sign
2804     # 10006: ignoring unknown option -fno-signed-zeros
2805     # 10156: ignoring option '-W'; no argument required
2806     check_cflags -wd144,167,556,10006,10156
2807     # 11030: Warning unknown option --as-needed
2808     # 10156: ignoring option '-export'; no argument required
2809     check_ldflags -wd10156,11030
2810     # Allow to compile with optimizations
2811     check_ldflags -march=$cpu
2812     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2813     enable ebp_available
2814 elif enabled ccc; then
2815     # disable some annoying warnings
2816     add_cflags -msg_disable cvtu32to64
2817     add_cflags -msg_disable embedcomment
2818     add_cflags -msg_disable needconstext
2819     add_cflags -msg_disable nomainieee
2820     add_cflags -msg_disable ptrmismatch1
2821     add_cflags -msg_disable unreachcode
2822 elif enabled gcc; then
2823     check_cflags -fno-tree-vectorize
2824     check_cflags -Werror=implicit-function-declaration
2825     check_cflags -Werror=missing-prototypes
2826 elif enabled clang; then
2827     check_cflags -Qunused-arguments
2828 elif enabled armcc; then
2829     # 2523: use of inline assembler is deprecated
2830     add_cflags -Wrvct,--diag_suppress=2523
2831     add_cflags -Wrvct,--diag_suppress=1207
2832 elif enabled tms470; then
2833     add_cflags -pds=824 -pds=837
2834 fi
2835
2836 enabled_any $THREADS_LIST      && enable threads
2837
2838 check_deps $CONFIG_LIST       \
2839            $CONFIG_EXTRA      \
2840            $HAVE_LIST         \
2841            $DECODER_LIST      \
2842            $ENCODER_LIST      \
2843            $HWACCEL_LIST      \
2844            $PARSER_LIST       \
2845            $BSF_LIST          \
2846            $DEMUXER_LIST      \
2847            $MUXER_LIST        \
2848            $FILTER_LIST       \
2849            $INDEV_LIST        \
2850            $OUTDEV_LIST       \
2851            $PROTOCOL_LIST     \
2852            $ACODEC_TESTS      \
2853            $VCODEC_TESTS      \
2854            $LAVF_TESTS        \
2855
2856 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
2857
2858 echo "install prefix            $prefix"
2859 echo "source path               $source_path"
2860 echo "C compiler                $cc"
2861 echo "ARCH                      $arch ($cpu)"
2862 if test "$build_suffix" != ""; then
2863     echo "build suffix              $build_suffix"
2864 fi
2865 if test "$extra_version" != ""; then
2866     echo "version string suffix     $extra_version"
2867 fi
2868 echo "big-endian                ${bigendian-no}"
2869 echo "runtime cpu detection     ${runtime_cpudetect-no}"
2870 if enabled x86; then
2871     echo "yasm                      ${yasm-no}"
2872     echo "MMX enabled               ${mmx-no}"
2873     echo "MMX2 enabled              ${mmx2-no}"
2874     echo "3DNow! enabled            ${amd3dnow-no}"
2875     echo "3DNow! extended enabled   ${amd3dnowext-no}"
2876     echo "SSE enabled               ${sse-no}"
2877     echo "SSSE3 enabled             ${ssse3-no}"
2878     echo "CMOV enabled              ${cmov-no}"
2879     echo "CMOV is fast              ${fast_cmov-no}"
2880     echo "EBX available             ${ebx_available-no}"
2881     echo "EBP available             ${ebp_available-no}"
2882     echo "10 operands supported     ${ten_operands-no}"
2883 fi
2884 if enabled arm; then
2885     echo "ARMv5TE enabled           ${armv5te-no}"
2886     echo "ARMv6 enabled             ${armv6-no}"
2887     echo "ARMv6T2 enabled           ${armv6t2-no}"
2888     echo "ARM VFP enabled           ${armvfp-no}"
2889     echo "IWMMXT enabled            ${iwmmxt-no}"
2890     echo "NEON enabled              ${neon-no}"
2891 fi
2892 if enabled mips; then
2893     echo "MMI enabled               ${mmi-no}"
2894 fi
2895 if enabled ppc; then
2896     echo "AltiVec enabled           ${altivec-no}"
2897     echo "PPC 4xx optimizations     ${ppc4xx-no}"
2898     echo "dcbzl available           ${dcbzl-no}"
2899 fi
2900 if enabled sparc; then
2901     echo "VIS enabled               ${vis-no}"
2902 fi
2903 echo "debug symbols             ${debug-no}"
2904 echo "strip symbols             ${stripping-no}"
2905 echo "optimizations             ${optimizations-no}"
2906 echo "static                    ${static-no}"
2907 echo "shared                    ${shared-no}"
2908 echo "postprocessing support    ${postproc-no}"
2909 echo "new filter support        ${avfilter-no}"
2910 echo "filters using lavformat   ${avfilter_lavf-no}"
2911 echo "network support           ${network-no}"
2912 echo "threading support         ${thread_type-no}"
2913 echo "SDL support               ${sdl-no}"
2914 echo "Sun medialib support      ${mlib-no}"
2915 echo "AVISynth enabled          ${avisynth-no}"
2916 echo "libdc1394 support         ${libdc1394-no}"
2917 echo "libdirac enabled          ${libdirac-no}"
2918 echo "libfaac enabled           ${libfaac-no}"
2919 echo "libgsm enabled            ${libgsm-no}"
2920 echo "libmp3lame enabled        ${libmp3lame-no}"
2921 echo "libnut enabled            ${libnut-no}"
2922 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2923 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2924 echo "libopenjpeg enabled       ${libopenjpeg-no}"
2925 echo "librtmp enabled           ${librtmp-no}"
2926 echo "libschroedinger enabled   ${libschroedinger-no}"
2927 echo "libspeex enabled          ${libspeex-no}"
2928 echo "libtheora enabled         ${libtheora-no}"
2929 echo "libvorbis enabled         ${libvorbis-no}"
2930 echo "libvpx enabled            ${libvpx-no}"
2931 echo "libx264 enabled           ${libx264-no}"
2932 echo "libxvid enabled           ${libxvid-no}"
2933 echo "zlib enabled              ${zlib-no}"
2934 echo "bzlib enabled             ${bzlib-no}"
2935 echo
2936
2937 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2938     echo "Enabled ${type}s:"
2939     eval list=\$$(toupper $type)_LIST
2940     print_enabled '_*' $list | sort | pr -3 -t
2941     echo
2942 done
2943
2944 license="LGPL version 2.1 or later"
2945 if enabled nonfree; then
2946     license="nonfree and unredistributable"
2947 elif enabled gplv3; then
2948     license="GPL version 3 or later"
2949 elif enabled lgplv3; then
2950     license="LGPL version 3 or later"
2951 elif enabled gpl; then
2952     license="GPL version 2 or later"
2953 fi
2954
2955 echo "License: $license"
2956
2957 echo "Creating config.mak and config.h..."
2958
2959 # build tree in object directory if source path is different from current one
2960 if enabled source_path_used; then
2961     DIRS="
2962         doc
2963         libavcodec
2964         libavcodec/$arch
2965         libavdevice
2966         libavfilter
2967         libavformat
2968         libavutil
2969         libavutil/$arch
2970         libpostproc
2971         libswscale
2972         libswscale/$arch
2973         tests
2974         tools
2975     "
2976     FILES="
2977         Makefile
2978         common.mak
2979         subdir.mak
2980         doc/texi2pod.pl
2981         libavcodec/Makefile
2982         libavcodec/${arch}/Makefile
2983         libavdevice/Makefile
2984         libavfilter/Makefile
2985         libavformat/Makefile
2986         libavutil/Makefile
2987         libpostproc/Makefile
2988         libswscale/Makefile
2989     "
2990     map 'mkdir -p $v' $DIRS;
2991     map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
2992 fi
2993
2994 enabled stripping || strip="echo skipping strip"
2995
2996 cat > config.mak <<EOF
2997 # Automatically generated by configure - do not modify!
2998 ifndef FFMPEG_CONFIG_MAK
2999 FFMPEG_CONFIG_MAK=1
3000 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3001 prefix=$prefix
3002 LIBDIR=\$(DESTDIR)$libdir
3003 SHLIBDIR=\$(DESTDIR)$shlibdir
3004 INCDIR=\$(DESTDIR)$incdir
3005 BINDIR=\$(DESTDIR)$bindir
3006 DATADIR=\$(DESTDIR)$datadir
3007 MANDIR=\$(DESTDIR)$mandir
3008 SRC_PATH="$source_path"
3009 SRC_PATH_BARE=$source_path
3010 BUILD_ROOT="$PWD"
3011 ARCH=$arch
3012 CC=$cc
3013 AS=$as
3014 LD=$ld
3015 DEPCC=$dep_cc
3016 YASM=$yasmexe
3017 YASMDEP=$yasmexe
3018 AR=$ar
3019 RANLIB=$ranlib
3020 CP=cp -p
3021 LN_S=$ln_s
3022 STRIP=$strip
3023 CPPFLAGS=$CPPFLAGS
3024 CFLAGS=$CFLAGS
3025 ASFLAGS=$ASFLAGS
3026 CC_O=$CC_O
3027 LDFLAGS=$LDFLAGS
3028 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3029 SHFLAGS=$SHFLAGS
3030 YASMFLAGS=$YASMFLAGS
3031 BUILDSUF=$build_suffix
3032 FULLNAME=$FULLNAME
3033 LIBPREF=$LIBPREF
3034 LIBSUF=$LIBSUF
3035 LIBNAME=$LIBNAME
3036 SLIBPREF=$SLIBPREF
3037 SLIBSUF=$SLIBSUF
3038 EXESUF=$EXESUF
3039 EXTRA_VERSION=$extra_version
3040 DEPFLAGS=$DEPFLAGS
3041 CCDEP=$CCDEP
3042 ASDEP=$ASDEP
3043 CC_DEPFLAGS=$CC_DEPFLAGS
3044 AS_DEPFLAGS=$AS_DEPFLAGS
3045 HOSTCC=$host_cc
3046 HOSTCFLAGS=$host_cflags
3047 HOSTEXESUF=$HOSTEXESUF
3048 HOSTLDFLAGS=$host_ldflags
3049 HOSTLIBS=$host_libs
3050 TARGET_EXEC=$target_exec
3051 TARGET_PATH=$target_path
3052 SDL_LIBS=$sdl_libs
3053 SDL_CFLAGS=$sdl_cflags
3054 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3055 EXTRALIBS=$extralibs
3056 INSTALL=install
3057 LIBTARGET=${LIBTARGET}
3058 SLIBNAME=${SLIBNAME}
3059 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3060 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3061 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3062 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3063 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3064 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3065 SAMPLES=$samples
3066 EOF
3067
3068 get_version(){
3069     name=$1
3070     file=$source_path/$2
3071     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3072     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3073     lcname=$(tolower $name)
3074     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3075     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3076 }
3077
3078 get_version LIBSWSCALE  libswscale/swscale.h
3079 get_version LIBPOSTPROC libpostproc/postprocess.h
3080 get_version LIBAVCODEC  libavcodec/avcodec.h
3081 get_version LIBAVDEVICE libavdevice/avdevice.h
3082 get_version LIBAVFORMAT libavformat/avformat.h
3083 get_version LIBAVUTIL   libavutil/avutil.h
3084 get_version LIBAVFILTER libavfilter/avfilter.h
3085
3086 cat > $TMPH <<EOF
3087 /* Automatically generated by configure - do not modify! */
3088 #ifndef FFMPEG_CONFIG_H
3089 #define FFMPEG_CONFIG_H
3090 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3091 #define FFMPEG_LICENSE "$(c_escape $license)"
3092 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3093 #define CC_TYPE "$cc_type"
3094 #define CC_VERSION $cc_version
3095 #define restrict $_restrict
3096 #define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
3097 #define EXTERN_PREFIX "${extern_prefix}"
3098 #define EXTERN_ASM ${extern_prefix}
3099 EOF
3100
3101 test -n "$malloc_prefix" &&
3102     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3103
3104 if enabled small || disabled optimizations; then
3105     echo "#undef  av_always_inline"  >> $TMPH
3106     echo "#define av_always_inline"  >> $TMPH
3107 fi
3108
3109 print_config ARCH_   $TMPH config.mak $ARCH_LIST
3110 print_config HAVE_   $TMPH config.mak $HAVE_LIST
3111 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
3112                                       $CONFIG_EXTRA      \
3113                                       $DECODER_LIST      \
3114                                       $ENCODER_LIST      \
3115                                       $HWACCEL_LIST      \
3116                                       $PARSER_LIST       \
3117                                       $BSF_LIST          \
3118                                       $DEMUXER_LIST      \
3119                                       $MUXER_LIST        \
3120                                       $FILTER_LIST       \
3121                                       $PROTOCOL_LIST     \
3122                                       $INDEV_LIST        \
3123                                       $OUTDEV_LIST       \
3124
3125 cat >>config.mak <<EOF
3126 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3127 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3128 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3129 EOF
3130
3131 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3132 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3133
3134 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3135 cp_if_changed $TMPH config.h
3136
3137 cat > $TMPH <<EOF
3138 /* Generated by ffconf */
3139 #ifndef AVUTIL_AVCONFIG_H
3140 #define AVUTIL_AVCONFIG_H
3141 EOF
3142
3143 print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3144
3145 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3146
3147 cp_if_changed $TMPH libavutil/avconfig.h
3148
3149 test -n "$WARNINGS" && printf "\n$WARNINGS"
3150
3151 # build pkg-config files
3152
3153 pkgconfig_generate(){
3154 name=$1
3155 shortname=${name#lib}${build_suffix}
3156 comment=$2
3157 version=$3
3158 libs=$4
3159 requires=$5
3160 cat <<EOF > $name/$name.pc
3161 prefix=$prefix
3162 exec_prefix=\${prefix}
3163 libdir=$libdir
3164 includedir=$incdir
3165
3166 Name: $name
3167 Description: $comment
3168 Version: $version
3169 Requires: $(enabled shared || echo $requires)
3170 Requires.private: $(enabled shared && echo $requires)
3171 Conflicts:
3172 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3173 Libs.private: $(enabled shared && echo $libs)
3174 Cflags: -I\${includedir}
3175 EOF
3176 cat <<EOF > $name/$name-uninstalled.pc
3177 prefix=
3178 exec_prefix=
3179 libdir=\${pcfiledir}
3180 includedir=${source_path}
3181
3182 Name: $name
3183 Description: $comment
3184 Version: $version
3185 Requires: $requires
3186 Conflicts:
3187 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3188 Cflags: -I\${includedir}
3189 EOF
3190 }
3191
3192 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3193 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3194 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3195 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3196 enabled avfilter &&
3197     pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3198 enabled postproc &&
3199     pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3200 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"