728a2a679f720e04d9c56e2f13f205181f453a58
[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-avcore         disable libavcore build
90   --disable-avformat       disable libavformat build
91   --disable-swscale        disable libswscale build
92   --enable-postproc        enable GPLed postprocessing support [no]
93   --disable-avfilter       disable video filter support [no]
94   --enable-avfilter-lavf   video filters dependent on avformat [no]
95   --disable-pthreads       disable pthreads [auto]
96   --enable-w32threads      use Win32 threads [no]
97   --enable-x11grab         enable X11 grabbing [no]
98   --disable-network        disable network support [no]
99   --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]
100   --enable-gray            enable full grayscale support (slower color)
101   --disable-swscale-alpha  disable alpha channel support in swscale
102   --disable-fastdiv        disable table-based division
103   --enable-small           optimize for size instead of speed
104   --disable-aandct         disable AAN DCT code
105   --disable-dct            disable DCT code
106   --disable-fft            disable FFT code
107   --disable-golomb         disable Golomb code
108   --disable-lpc            disable LPC code
109   --disable-mdct           disable MDCT code
110   --disable-rdft           disable RDFT code
111   --disable-vaapi          disable VAAPI code
112   --disable-vdpau          disable VDPAU code
113   --disable-dxva2          disable DXVA2 code
114   --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
115   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
116   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
117   --disable-everything     disable all components listed below
118   --disable-encoder=NAME   disable encoder NAME
119   --enable-encoder=NAME    enable encoder NAME
120   --disable-encoders       disable all encoders
121   --disable-decoder=NAME   disable decoder NAME
122   --enable-decoder=NAME    enable decoder NAME
123   --disable-decoders       disable all decoders
124   --disable-hwaccel=NAME   disable hwaccel NAME
125   --enable-hwaccel=NAME    enable hwaccel NAME
126   --disable-hwaccels       disable all hwaccels
127   --disable-muxer=NAME     disable muxer NAME
128   --enable-muxer=NAME      enable muxer NAME
129   --disable-muxers         disable all muxers
130   --disable-demuxer=NAME   disable demuxer NAME
131   --enable-demuxer=NAME    enable demuxer NAME
132   --disable-demuxers       disable all demuxers
133   --enable-parser=NAME     enable parser NAME
134   --disable-parser=NAME    disable parser NAME
135   --disable-parsers        disable all parsers
136   --enable-bsf=NAME        enable bitstream filter NAME
137   --disable-bsf=NAME       disable bitstream filter NAME
138   --disable-bsfs           disable all bitstream filters
139   --enable-protocol=NAME   enable protocol NAME
140   --disable-protocol=NAME  disable protocol NAME
141   --disable-protocols      disable all protocols
142   --disable-indev=NAME     disable input device NAME
143   --disable-outdev=NAME    disable output device NAME
144   --disable-indevs         disable input devices
145   --disable-outdevs        disable output devices
146   --disable-devices        disable all devices
147   --enable-filter=NAME     enable filter NAME
148   --disable-filter=NAME    disable filter NAME
149   --disable-filters        disable all filters
150   --list-decoders          show all available decoders
151   --list-encoders          show all available encoders
152   --list-hwaccels          show all available hardware accelerators
153   --list-muxers            show all available muxers
154   --list-demuxers          show all available demuxers
155   --list-parsers           show all available parsers
156   --list-protocols         show all available protocols
157   --list-bsfs              show all available bitstream filters
158   --list-indevs            show all available input devices
159   --list-outdevs           show all available output devices
160   --list-filters           show all available filters
161
162 External library support:
163   --enable-avisynth        enable reading of AVISynth script files [no]
164   --enable-bzlib           enable bzlib [autodetect]
165   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
166   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
167   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
168                            and libraw1394 [no]
169   --enable-libdirac        enable Dirac support via libdirac [no]
170   --enable-libfaac         enable FAAC support via libfaac [no]
171   --enable-libgsm          enable GSM support via libgsm [no]
172   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
173   --enable-libnut          enable NUT (de)muxing via libnut,
174                            native (de)muxer exists [no]
175   --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]
176   --enable-librtmp         enable RTMP[E] support via librtmp [no]
177   --enable-libschroedinger enable Dirac support via libschroedinger [no]
178   --enable-libspeex        enable Speex decoding via libspeex [no]
179   --enable-libtheora       enable Theora encoding via libtheora [no]
180   --enable-libvorbis       enable Vorbis encoding via libvorbis,
181                            native implementation exists [no]
182   --enable-libvpx          enable VP8 support via libvpx [no]
183   --enable-libx264         enable H.264 encoding via x264 [no]
184   --enable-libxvid         enable Xvid encoding via xvidcore,
185                            native MPEG-4/Xvid encoder exists [no]
186   --enable-mlib            enable Sun medialib [no]
187   --enable-zlib            enable zlib [autodetect]
188
189 Advanced options (experts only):
190   --source-path=PATH       path to source code [$source_path]
191   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
192   --enable-cross-compile   assume a cross-compiler is used
193   --sysroot=PATH           root of cross-build tree
194   --sysinclude=PATH        location of cross-build system headers
195   --target-os=OS           compiler targets OS [$target_os]
196   --target-exec=CMD        command to run executables on target
197   --target-path=DIR        path to view of build directory on target
198   --nm=NM                  use nm tool
199   --ar=AR                  use archive tool AR [$ar_default]
200   --as=AS                  use assembler AS [$as_default]
201   --cc=CC                  use C compiler CC [$cc_default]
202   --ld=LD                  use linker LD
203   --host-cc=HOSTCC         use host C compiler HOSTCC
204   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
205   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
206   --host-libs=HLIBS        use libs HLIBS when linking for host
207   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
208   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
209   --extra-libs=ELIBS       add ELIBS [$ELIBS]
210   --extra-version=STRING   version string suffix []
211   --build-suffix=SUFFIX    library name suffix []
212   --arch=ARCH              select architecture [$arch]
213   --cpu=CPU                select the minimum required CPU (affects
214                            instruction selection, may crash on older CPUs)
215   --disable-asm            disable all assembler optimizations
216   --disable-altivec        disable AltiVec optimizations
217   --disable-amd3dnow       disable 3DNow! optimizations
218   --disable-amd3dnowext    disable 3DNow! extended optimizations
219   --disable-mmx            disable MMX optimizations
220   --disable-mmx2           disable MMX2 optimizations
221   --disable-sse            disable SSE optimizations
222   --disable-ssse3          disable SSSE3 optimizations
223   --disable-armv5te        disable armv5te optimizations
224   --disable-armv6          disable armv6 optimizations
225   --disable-armv6t2        disable armv6t2 optimizations
226   --disable-armvfp         disable ARM VFP optimizations
227   --disable-iwmmxt         disable iwmmxt optimizations
228   --disable-mmi            disable MMI optimizations
229   --disable-neon           disable neon optimizations
230   --disable-vis            disable VIS optimizations
231   --disable-yasm           disable use of yasm assembler
232   --enable-pic             build position-independent code
233   --malloc-prefix=PFX      prefix malloc and related names with PFX
234   --enable-sram            allow use of on-chip SRAM
235
236 Developer options (useful when working on FFmpeg itself):
237   --disable-debug          disable debugging symbols
238   --enable-debug=LEVEL     set the debug level [$debuglevel]
239   --disable-optimizations  disable compiler optimizations
240   --enable-extra-warnings  enable more compiler warnings
241   --disable-stripping      disable stripping of executables and shared libraries
242   --samples=PATH           location of test samples for FATE
243
244 NOTE: Object files are built at the place where configure is launched.
245 EOF
246   exit 0
247 }
248
249 quotes='""'
250
251 log(){
252     echo "$@" >> $logfile
253 }
254
255 log_file(){
256     log BEGIN $1
257     pr -n -t $1 >> $logfile
258     log END $1
259 }
260
261 echolog(){
262     log "$@"
263     echo "$@"
264 }
265
266 warn(){
267     log "WARNING: $*"
268     WARNINGS="${WARNINGS}WARNING: $*\n"
269 }
270
271 die(){
272     echolog "$@"
273     cat <<EOF
274
275 If you think configure made a mistake, make sure you are using the latest
276 version from SVN.  If the latest version fails, report the problem to the
277 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
278 EOF
279     if disabled logging; then
280         cat <<EOF
281 Rerun configure with logging enabled (do not use --disable-logging), and
282 include the log this produces with your report.
283 EOF
284     else
285 cat <<EOF
286 Include the log file "$logfile" produced by configure as this will help
287 solving the problem.
288 EOF
289     fi
290     exit 1
291 }
292
293 # Avoid locale weirdness, besides we really just want to translate ASCII.
294 toupper(){
295     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
296 }
297
298 tolower(){
299     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
300 }
301
302 c_escape(){
303     echo "$*" | sed 's/["\\]/\\\0/g'
304 }
305
306 sh_quote(){
307     v=$(echo "$1" | sed "s/'/'\\\\''/g")
308     test "x$v" = "x${v#*[^A-Za-z0-9_/.+-]}" || v="'$v'"
309     echo "$v"
310 }
311
312 filter(){
313     pat=$1
314     shift
315     for v; do
316         eval "case $v in $pat) echo $v ;; esac"
317     done
318 }
319
320 map(){
321     m=$1
322     shift
323     for v; do eval $m; done
324 }
325
326 set_all(){
327     value=$1
328     shift
329     for var in $*; do
330         eval $var=$value
331     done
332 }
333
334 set_weak(){
335     value=$1
336     shift
337     for var; do
338         eval : \${$var:=$value}
339     done
340 }
341
342 pushvar(){
343     for var in $*; do
344         eval level=\${${var}_level:=0}
345         eval ${var}_${level}="\$$var"
346         eval ${var}_level=$(($level+1))
347     done
348 }
349
350 popvar(){
351     for var in $*; do
352         eval level=\${${var}_level:-0}
353         test $level = 0 && continue
354         eval level=$(($level-1))
355         eval $var="\${${var}_${level}}"
356         eval ${var}_level=$level
357         eval unset ${var}_${level}
358     done
359 }
360
361 enable(){
362     set_all yes $*
363 }
364
365 disable(){
366     set_all no $*
367 }
368
369 enable_weak(){
370     set_weak yes $*
371 }
372
373 disable_weak(){
374     set_weak no $*
375 }
376
377 enable_safe(){
378     for var; do
379         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
380     done
381 }
382
383 disable_safe(){
384     for var; do
385         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
386     done
387 }
388
389 do_enable_deep(){
390     for var; do
391         enabled $var && continue
392         eval sel="\$${var}_select"
393         eval sgs="\$${var}_suggest"
394         pushvar var sgs
395         enable_deep $sel
396         popvar sgs
397         enable_deep_weak $sgs
398         popvar var
399     done
400 }
401
402 enable_deep(){
403     do_enable_deep $*
404     enable $*
405 }
406
407 enable_deep_weak(){
408     do_enable_deep $*
409     enable_weak $*
410 }
411
412 enabled(){
413     test "${1#!}" = "$1" && op== || op=!=
414     eval test "x\$${1#!}" $op "xyes"
415 }
416
417 disabled(){
418     test "${1#!}" = "$1" && op== || op=!=
419     eval test "x\$${1#!}" $op "xno"
420 }
421
422 enabled_all(){
423     for opt; do
424         enabled $opt || return 1
425     done
426 }
427
428 disabled_all(){
429     for opt; do
430         disabled $opt || return 1
431     done
432 }
433
434 enabled_any(){
435     for opt; do
436         enabled $opt && return 0
437     done
438 }
439
440 disabled_any(){
441     for opt; do
442         disabled $opt && return 0
443     done
444     return 1
445 }
446
447 set_default(){
448     for opt; do
449         eval : \${$opt:=\$${opt}_default}
450     done
451 }
452
453 is_in(){
454     value=$1
455     shift
456     for var in $*; do
457         [ $var = $value ] && return 0
458     done
459     return 1
460 }
461
462 check_deps(){
463     for cfg; do
464         cfg="${cfg#!}"
465         enabled ${cfg}_checking && die "Circular dependency for $cfg."
466         disabled ${cfg}_checking && continue
467         enable ${cfg}_checking
468
469         eval dep_all="\$${cfg}_deps"
470         eval dep_any="\$${cfg}_deps_any"
471         eval dep_sel="\$${cfg}_select"
472         eval dep_sgs="\$${cfg}_suggest"
473         eval dep_ifa="\$${cfg}_if"
474         eval dep_ifn="\$${cfg}_if_any"
475
476         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
477         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
478         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
479
480         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
481         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
482         enabled_all  $dep_all || disable $cfg
483         enabled_any  $dep_any || disable $cfg
484         disabled_any $dep_sel && disable $cfg
485
486         if enabled $cfg; then
487             eval dep_extralibs="\$${cfg}_extralibs"
488             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
489             enable_deep $dep_sel
490             enable_deep_weak $dep_sgs
491         fi
492
493         disable ${cfg}_checking
494     done
495 }
496
497 print_config(){
498     pfx=$1
499     header=$2
500     makefile=$3
501     shift 3
502     for cfg; do
503         ucname="$(toupper $cfg)"
504         if enabled $cfg; then
505             echo "#define ${pfx}${ucname} 1" >> $header
506             echo "${pfx}${ucname}=yes" >> $makefile
507         else
508             echo "#define ${pfx}${ucname} 0" >> $header
509             echo "!${pfx}${ucname}=yes" >> $makefile
510         fi
511     done
512 }
513
514 print_enabled(){
515     test "$1" = -n && end=" " && shift || end="\n"
516     suf=$1
517     shift
518     for v; do
519         enabled $v && printf "%s$end" ${v%$suf};
520     done
521 }
522
523 append(){
524     var=$1
525     shift
526     eval "$var=\"\$$var $*\""
527 }
528
529 prepend(){
530     var=$1
531     shift
532     eval "$var=\"$* \$$var\""
533 }
534
535 add_cppflags(){
536     append CPPFLAGS $($filter_cppflags "$@")
537 }
538
539 add_cflags(){
540     append CFLAGS $($filter_cflags "$@")
541 }
542
543 add_asflags(){
544     append ASFLAGS $($filter_asflags "$@")
545 }
546
547 add_ldflags(){
548     append LDFLAGS "$@"
549 }
550
551 add_extralibs(){
552     prepend extralibs "$@"
553 }
554
555 check_cmd(){
556     log "$@"
557     "$@" >> $logfile 2>&1
558 }
559
560 check_cc(){
561     log check_cc "$@"
562     cat > $TMPC
563     log_file $TMPC
564     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
565 }
566
567 check_cpp(){
568     log check_cpp "$@"
569     cat > $TMPC
570     log_file $TMPC
571     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
572 }
573
574 check_as(){
575     log check_as "$@"
576     cat > $TMPC
577     log_file $TMPC
578     check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
579 }
580
581 check_asm(){
582     log check_asm "$@"
583     name="$1"
584     code="$2"
585     shift 2
586     disable $name
587     check_as "$@" <<EOF && enable $name
588 void foo(void){ __asm__ volatile($code); }
589 EOF
590 }
591
592 check_yasm(){
593     log check_yasm "$@"
594     echo "$1" > $TMPS
595     log_file $TMPS
596     shift 1
597     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
598 }
599
600 check_ld(){
601     log check_ld "$@"
602     flags=''
603     libs=''
604     for f; do
605         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
606     done
607     check_cc $($filter_cflags $flags) || return
608     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
609 }
610
611 check_cppflags(){
612     log check_cppflags "$@"
613     set -- $($filter_cppflags "$@")
614     check_cc "$@" <<EOF && append CPPFLAGS "$@"
615 int x;
616 EOF
617 }
618
619 check_cflags(){
620     log check_cflags "$@"
621     set -- $($filter_cflags "$@")
622     check_cc "$@" <<EOF && append CFLAGS "$@"
623 int x;
624 EOF
625 }
626
627 test_ldflags(){
628     log test_ldflags "$@"
629     check_ld "$@" <<EOF
630 int main(void){ return 0; }
631 EOF
632 }
633
634 check_ldflags(){
635     log check_ldflags "$@"
636     test_ldflags "$@" && add_ldflags "$@"
637 }
638
639 check_header(){
640     log check_header "$@"
641     header=$1
642     shift
643     disable_safe $header
644     check_cpp "$@" <<EOF && enable_safe $header
645 #include <$header>
646 int x;
647 EOF
648 }
649
650 check_func(){
651     log check_func "$@"
652     func=$1
653     shift
654     disable $func
655     check_ld "$@" <<EOF && enable $func
656 extern int $func();
657 int main(void){ $func(); }
658 EOF
659 }
660
661 check_mathfunc(){
662     log check_mathfunc "$@"
663     func=$1
664     shift
665     disable $func
666     check_ld "$@" <<EOF && enable $func
667 #include <math.h>
668 float foo(float f) { return $func(f); }
669 int main(void){ return 0; }
670 EOF
671 }
672
673 check_func_headers(){
674     log check_func_headers "$@"
675     headers=$1
676     func=$2
677     shift 2
678     disable $func
679     incs=""
680     for hdr in $headers; do
681         incs="$incs
682 #include <$hdr>"
683     done
684     check_ld "$@" <<EOF && enable $func && enable_safe $headers
685 $incs
686 int main(int argc, char **argv){
687     return (long) $func;
688 }
689 EOF
690 }
691
692 check_cpp_condition(){
693     log check_cpp_condition "$@"
694     header=$1
695     condition=$2
696     shift 2
697     check_cpp $($filter_cppflags "$@") <<EOF
698 #include <$header>
699 #if !($condition)
700 #error "unsatisfied condition: $condition"
701 #endif
702 EOF
703 }
704
705 check_lib(){
706     log check_lib "$@"
707     header="$1"
708     func="$2"
709     shift 2
710     check_header $header && check_func $func "$@" && add_extralibs "$@"
711 }
712
713 check_lib2(){
714     log check_lib2 "$@"
715     headers="$1"
716     func="$2"
717     shift 2
718     check_func_headers "$headers" $func "$@" && add_extralibs "$@"
719 }
720
721 check_exec(){
722     check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
723 }
724
725 check_exec_crash(){
726     code=$(cat)
727
728     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
729     # are safe but may not be available everywhere.  Thus we use
730     # raise(SIGTERM) instead.  The check is run in a subshell so we
731     # can redirect the "Terminated" message from the shell.  SIGBUS
732     # is not defined by standard C so it is used conditionally.
733
734     (check_exec "$@") >> $logfile 2>&1 <<EOF
735 #include <signal.h>
736 static void sighandler(int sig){
737     raise(SIGTERM);
738 }
739 int main(void){
740     signal(SIGILL, sighandler);
741     signal(SIGFPE, sighandler);
742     signal(SIGSEGV, sighandler);
743 #ifdef SIGBUS
744     signal(SIGBUS, sighandler);
745 #endif
746     { $code }
747 }
748 EOF
749 }
750
751 check_type(){
752     log check_type "$@"
753     headers=$1
754     type=$2
755     shift 2
756     disable_safe "$type"
757     incs=""
758     for hdr in $headers; do
759         incs="$incs
760 #include <$hdr>"
761     done
762     check_cc "$@" <<EOF && enable_safe "$type"
763 $incs
764 $type v;
765 EOF
766 }
767
768 check_struct(){
769     log check_type "$@"
770     headers=$1
771     struct=$2
772     member=$3
773     shift 3
774     disable_safe "${struct}_${member}"
775     incs=""
776     for hdr in $headers; do
777         incs="$incs
778 #include <$hdr>"
779     done
780     check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
781 $incs
782 const void *p = &(($struct *)0)->$member;
783 EOF
784 }
785
786 require(){
787     name="$1"
788     header="$2"
789     func="$3"
790     shift 3
791     check_lib $header $func "$@" || die "ERROR: $name not found"
792 }
793
794 require2(){
795     name="$1"
796     headers="$2"
797     func="$3"
798     shift 3
799     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
800 }
801
802 check_host_cc(){
803     log check_host_cc "$@"
804     cat > $TMPC
805     log_file $TMPC
806     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
807 }
808
809 check_host_cflags(){
810     log check_host_cflags "$@"
811     check_host_cc "$@" <<EOF && append host_cflags "$@"
812 int x;
813 EOF
814 }
815
816 apply(){
817     file=$1
818     shift
819     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
820 }
821
822 cp_if_changed(){
823     cmp -s "$1" "$2" &&
824         echo "$2 is unchanged" ||
825         cp -f "$1" "$2"
826 }
827
828 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
829 # system-dependent things.
830
831 COMPONENT_LIST="
832     bsfs
833     decoders
834     demuxers
835     encoders
836     filters
837     hwaccels
838     indevs
839     muxers
840     outdevs
841     parsers
842     protocols
843 "
844
845 CONFIG_LIST="
846     $COMPONENT_LIST
847     aandct
848     avcodec
849     avcore
850     avdevice
851     avfilter
852     avfilter_lavf
853     avformat
854     avisynth
855     bzlib
856     dct
857     doc
858     dwt
859     dxva2
860     fastdiv
861     ffmpeg
862     ffplay
863     ffprobe
864     ffserver
865     fft
866     golomb
867     gpl
868     gray
869     h264dsp
870     hardcoded_tables
871     libdc1394
872     libdirac
873     libfaac
874     libgsm
875     libmp3lame
876     libnut
877     libopencore_amrnb
878     libopencore_amrwb
879     libopenjpeg
880     librtmp
881     libschroedinger
882     libspeex
883     libtheora
884     libvorbis
885     libvpx
886     libx264
887     libxvid
888     lpc
889     lsp
890     mdct
891     memalign_hack
892     mlib
893     mpegaudio_hp
894     network
895     nonfree
896     pic
897     postproc
898     rdft
899     runtime_cpudetect
900     shared
901     small
902     sram
903     static
904     swscale
905     swscale_alpha
906     vaapi
907     vdpau
908     version3
909     x11grab
910     zlib
911 "
912
913 THREADS_LIST='
914     pthreads
915     w32threads
916 '
917
918 ARCH_LIST='
919     alpha
920     arm
921     avr32
922     avr32_ap
923     avr32_uc
924     bfin
925     ia64
926     m68k
927     mips
928     mips64
929     parisc
930     ppc
931     ppc64
932     s390
933     sh4
934     sparc
935     sparc64
936     tomi
937     x86
938     x86_32
939     x86_64
940 '
941
942 ARCH_EXT_LIST='
943     altivec
944     amd3dnow
945     amd3dnowext
946     armv5te
947     armv6
948     armv6t2
949     armvfp
950     iwmmxt
951     mmi
952     mmx
953     mmx2
954     neon
955     ppc4xx
956     sse
957     ssse3
958     vis
959 '
960
961 HAVE_LIST_PUB='
962     bigendian
963     fast_unaligned
964 '
965
966 HAVE_LIST="
967     $ARCH_EXT_LIST
968     $HAVE_LIST_PUB
969     $THREADS_LIST
970     alsa_asoundlib_h
971     altivec_h
972     arpa_inet_h
973     attribute_may_alias
974     attribute_packed
975     bswap
976     closesocket
977     cmov
978     conio_h
979     dcbzl
980     dev_bktr_ioctl_bt848_h
981     dev_bktr_ioctl_meteor_h
982     dev_ic_bt8xx_h
983     dev_video_meteor_ioctl_meteor_h
984     dev_video_bktr_ioctl_bt848_h
985     dlfcn_h
986     dlopen
987     dos_paths
988     ebp_available
989     ebx_available
990     exp2
991     exp2f
992     fast_64bit
993     fast_clz
994     fast_cmov
995     fcntl
996     fork
997     getaddrinfo
998     gethrtime
999     GetProcessMemoryInfo
1000     GetProcessTimes
1001     getrusage
1002     gnu_as
1003     struct_rusage_ru_maxrss
1004     ibm_asm
1005     inet_aton
1006     inline_asm
1007     isatty
1008     ldbrx
1009     libdc1394_1
1010     libdc1394_2
1011     llrint
1012     llrintf
1013     local_aligned_16
1014     local_aligned_8
1015     log2
1016     log2f
1017     loongson
1018     lrint
1019     lrintf
1020     lzo1x_999_compress
1021     machine_ioctl_bt848_h
1022     machine_ioctl_meteor_h
1023     malloc_h
1024     memalign
1025     mkstemp
1026     pld
1027     posix_memalign
1028     round
1029     roundf
1030     sdl
1031     sdl_video_size
1032     setmode
1033     socklen_t
1034     soundcard_h
1035     poll_h
1036     setrlimit
1037     strerror_r
1038     struct_addrinfo
1039     struct_ipv6_mreq
1040     struct_sockaddr_in6
1041     struct_sockaddr_sa_len
1042     struct_sockaddr_storage
1043     symver
1044     symver_gnu_asm
1045     symver_asm_label
1046     sys_mman_h
1047     sys_resource_h
1048     sys_select_h
1049     sys_soundcard_h
1050     sys_videoio_h
1051     ten_operands
1052     termios_h
1053     threads
1054     truncf
1055     vfp_args
1056     VirtualAlloc
1057     winsock2_h
1058     xform_asm
1059     yasm
1060 "
1061
1062 # options emitted with CONFIG_ prefix but not available on command line
1063 CONFIG_EXTRA="
1064     avutil
1065     gplv3
1066     lgplv3
1067 "
1068
1069 CMDLINE_SELECT="
1070     $ARCH_EXT_LIST
1071     $CONFIG_LIST
1072     $THREADS_LIST
1073     asm
1074     cross_compile
1075     debug
1076     extra_warnings
1077     logging
1078     optimizations
1079     stripping
1080     yasm
1081 "
1082
1083 PATHS_LIST='
1084     bindir
1085     datadir
1086     incdir
1087     libdir
1088     mandir
1089     prefix
1090     shlibdir
1091 '
1092
1093 CMDLINE_SET="
1094     $PATHS_LIST
1095     ar
1096     arch
1097     as
1098     build_suffix
1099     cc
1100     cpu
1101     cross_prefix
1102     dep_cc
1103     extra_version
1104     host_cc
1105     host_cflags
1106     host_ldflags
1107     host_libs
1108     host_os
1109     ld
1110     logfile
1111     malloc_prefix
1112     nm
1113     samples
1114     source_path
1115     strip
1116     sysinclude
1117     sysroot
1118     target_exec
1119     target_os
1120     target_path
1121 "
1122
1123 CMDLINE_APPEND="
1124     extra_cflags
1125 "
1126
1127 # code dependency declarations
1128
1129 # architecture extensions
1130
1131 armv5te_deps="arm"
1132 armv6_deps="arm"
1133 armv6t2_deps="arm"
1134 armvfp_deps="arm"
1135 iwmmxt_deps="arm"
1136 neon_deps="arm"
1137
1138 mmi_deps="mips"
1139
1140 altivec_deps="ppc"
1141 ppc4xx_deps="ppc"
1142
1143 vis_deps="sparc"
1144
1145 x86_64_suggest="cmov fast_cmov"
1146 amd3dnow_deps="mmx"
1147 amd3dnowext_deps="amd3dnow"
1148 mmx_deps="x86"
1149 mmx2_deps="mmx"
1150 sse_deps="mmx"
1151 ssse3_deps="sse"
1152
1153 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1154 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1155 fast_unaligned_if_any="armv6 ppc x86"
1156
1157 need_memalign="altivec neon sse"
1158 inline_asm_deps="!tms470"
1159
1160 symver_if_any="symver_asm_label symver_gnu_asm"
1161
1162 # subsystems
1163 dct_select="rdft"
1164 mdct_select="fft"
1165 rdft_select="fft"
1166
1167 # decoders / encoders / hardware accelerators
1168 aac_decoder_select="mdct rdft"
1169 aac_encoder_select="mdct"
1170 ac3_decoder_select="mdct ac3_parser"
1171 alac_encoder_select="lpc"
1172 amrnb_decoder_select="lsp"
1173 atrac1_decoder_select="mdct"
1174 atrac3_decoder_select="mdct"
1175 binkaudio_dct_decoder_select="mdct rdft dct"
1176 binkaudio_rdft_decoder_select="mdct rdft"
1177 cavs_decoder_select="golomb"
1178 cook_decoder_select="mdct"
1179 cscd_decoder_suggest="zlib"
1180 dca_decoder_select="mdct"
1181 dnxhd_encoder_select="aandct"
1182 dxa_decoder_select="zlib"
1183 eac3_decoder_select="ac3_decoder"
1184 eamad_decoder_select="aandct"
1185 eatgq_decoder_select="aandct"
1186 eatqi_decoder_select="aandct"
1187 ffv1_decoder_select="golomb"
1188 flac_decoder_select="golomb"
1189 flac_encoder_select="golomb lpc"
1190 flashsv_decoder_select="zlib"
1191 flashsv_encoder_select="zlib"
1192 flv_decoder_select="h263_decoder"
1193 flv_encoder_select="h263_encoder"
1194 h261_encoder_select="aandct"
1195 h263_decoder_select="h263_parser"
1196 h263_encoder_select="aandct"
1197 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1198 h263i_decoder_select="h263_decoder"
1199 h263p_encoder_select="h263_encoder"
1200 h264_decoder_select="golomb h264dsp"
1201 h264_dxva2_hwaccel_deps="dxva2api_h"
1202 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1203 h264_vaapi_hwaccel_select="vaapi"
1204 h264_vdpau_decoder_select="vdpau h264_decoder"
1205 imc_decoder_select="fft mdct"
1206 jpegls_decoder_select="golomb"
1207 jpegls_encoder_select="golomb"
1208 ljpeg_encoder_select="aandct"
1209 loco_decoder_select="golomb"
1210 mjpeg_encoder_select="aandct"
1211 mlp_decoder_select="mlp_parser"
1212 mp1float_decoder_select="dct"
1213 mp2float_decoder_select="dct"
1214 mp3adufloat_decoder_select="dct"
1215 mp3float_decoder_select="dct"
1216 mp3on4float_decoder_select="dct"
1217 mpeg1video_encoder_select="aandct"
1218 mpeg2video_encoder_select="aandct"
1219 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1220 mpeg4_encoder_select="h263_encoder"
1221 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1222 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1223 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1224 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1225 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1226 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1227 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1228 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1229 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1230 msmpeg4v1_decoder_select="h263_decoder"
1231 msmpeg4v1_encoder_select="h263_encoder"
1232 msmpeg4v2_decoder_select="h263_decoder"
1233 msmpeg4v2_encoder_select="h263_encoder"
1234 msmpeg4v3_decoder_select="h263_decoder"
1235 msmpeg4v3_encoder_select="h263_encoder"
1236 nellymoser_decoder_select="mdct"
1237 nellymoser_encoder_select="mdct"
1238 png_decoder_select="zlib"
1239 png_encoder_select="zlib"
1240 qcelp_decoder_select="lsp"
1241 qdm2_decoder_select="mdct rdft"
1242 ra_144_encoder_select="lpc"
1243 rv10_decoder_select="h263_decoder"
1244 rv10_encoder_select="h263_encoder"
1245 rv20_decoder_select="h263_decoder"
1246 rv20_encoder_select="h263_encoder"
1247 rv30_decoder_select="golomb h264dsp"
1248 rv40_decoder_select="golomb h264dsp"
1249 shorten_decoder_select="golomb"
1250 sipr_decoder_select="lsp"
1251 snow_decoder_select="dwt"
1252 snow_encoder_select="aandct dwt"
1253 sonic_decoder_select="golomb"
1254 sonic_encoder_select="golomb"
1255 sonic_ls_encoder_select="golomb"
1256 svq1_encoder_select="aandct"
1257 svq3_decoder_select="golomb h264dsp"
1258 svq3_decoder_suggest="zlib"
1259 theora_decoder_select="vp3_decoder"
1260 tiff_decoder_suggest="zlib"
1261 tiff_encoder_suggest="zlib"
1262 truehd_decoder_select="mlp_decoder"
1263 tscc_decoder_select="zlib"
1264 twinvq_decoder_select="mdct lsp"
1265 vc1_decoder_select="h263_decoder"
1266 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1267 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1268 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1269 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1270 vorbis_decoder_select="mdct"
1271 vorbis_encoder_select="mdct"
1272 vp6a_decoder_select="vp6_decoder"
1273 vp6f_decoder_select="vp6_decoder"
1274 vp8_decoder_select="h264dsp"
1275 wmapro_decoder_select="mdct"
1276 wmav1_decoder_select="mdct"
1277 wmav1_encoder_select="mdct"
1278 wmav2_decoder_select="mdct"
1279 wmav2_encoder_select="mdct"
1280 wmavoice_decoder_select="lsp rdft dct mdct"
1281 wmv1_decoder_select="h263_decoder"
1282 wmv1_encoder_select="h263_encoder"
1283 wmv2_decoder_select="h263_decoder"
1284 wmv2_encoder_select="h263_encoder"
1285 wmv3_decoder_select="vc1_decoder"
1286 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1287 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1288 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1289 zlib_decoder_select="zlib"
1290 zlib_encoder_select="zlib"
1291 zmbv_decoder_select="zlib"
1292 zmbv_encoder_select="zlib"
1293
1294 vaapi_deps="va_va_h"
1295 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1296
1297 # parsers
1298 h264_parser_select="golomb h264dsp"
1299
1300 # external libraries
1301 libdirac_decoder_deps="libdirac !libschroedinger"
1302 libdirac_encoder_deps="libdirac"
1303 libfaac_encoder_deps="libfaac"
1304 libgsm_decoder_deps="libgsm"
1305 libgsm_encoder_deps="libgsm"
1306 libgsm_ms_decoder_deps="libgsm"
1307 libgsm_ms_encoder_deps="libgsm"
1308 libmp3lame_encoder_deps="libmp3lame"
1309 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1310 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1311 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1312 libopenjpeg_decoder_deps="libopenjpeg"
1313 libschroedinger_decoder_deps="libschroedinger"
1314 libschroedinger_encoder_deps="libschroedinger"
1315 libspeex_decoder_deps="libspeex"
1316 libtheora_encoder_deps="libtheora"
1317 libvorbis_encoder_deps="libvorbis"
1318 libvpx_decoder_deps="libvpx"
1319 libvpx_encoder_deps="libvpx"
1320 libx264_encoder_deps="libx264"
1321 libxvid_encoder_deps="libxvid"
1322
1323 # demuxers / muxers
1324 ac3_demuxer_deps="ac3_parser"
1325 asf_stream_muxer_select="asf_muxer"
1326 avisynth_demuxer_deps="avisynth"
1327 dirac_demuxer_deps="dirac_parser"
1328 eac3_demuxer_select="ac3_parser"
1329 ipod_muxer_select="mov_muxer"
1330 libnut_demuxer_deps="libnut"
1331 libnut_muxer_deps="libnut"
1332 matroska_audio_muxer_select="matroska_muxer"
1333 matroska_demuxer_suggest="zlib bzlib"
1334 mov_demuxer_suggest="zlib"
1335 mp3_demuxer_deps="mpegaudio_parser"
1336 mp4_muxer_select="mov_muxer"
1337 mpegtsraw_demuxer_select="mpegts_demuxer"
1338 mxf_d10_muxer_select="mxf_muxer"
1339 ogg_demuxer_select="golomb"
1340 psp_muxer_select="mov_muxer"
1341 rtsp_demuxer_deps="sdp_demuxer"
1342 rtsp_muxer_deps="sdp_demuxer"
1343 rtsp_muxer_select="rtp_muxer"
1344 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1345 sdp_demuxer_select="asf_demuxer rm_demuxer"
1346 spdif_muxer_select="aac_parser"
1347 tg2_muxer_select="mov_muxer"
1348 tgp_muxer_select="mov_muxer"
1349 w64_demuxer_deps="wav_demuxer"
1350
1351 # indevs / outdevs
1352 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1353 alsa_indev_extralibs="-lasound"
1354 alsa_outdev_deps="alsa_asoundlib_h"
1355 alsa_outdev_extralibs="-lasound"
1356 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1357 dv1394_indev_deps="dv1394 dv_demuxer"
1358 jack_indev_deps="jack_jack_h"
1359 jack_indev_extralibs="-ljack"
1360 libdc1394_indev_deps="libdc1394"
1361 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1362 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1363 v4l_indev_deps="linux_videodev_h"
1364 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1365 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1366 vfwcap_indev_extralibs="-lavicap32"
1367 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1368 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1369
1370 # protocols
1371 gopher_protocol_deps="network"
1372 http_protocol_deps="network"
1373 http_protocol_select="tcp_protocol"
1374 mmst_protocol_deps="network"
1375 rtmp_protocol_select="tcp_protocol"
1376 rtp_protocol_select="udp_protocol"
1377 tcp_protocol_deps="network"
1378 udp_protocol_deps="network"
1379
1380 # filters
1381 movie_filter_deps="avfilter_lavf"
1382 avfilter_lavf_deps="avformat"
1383
1384 # libraries
1385 avdevice_deps="avcodec avformat"
1386 avformat_deps="avcodec"
1387
1388 # programs
1389 ffmpeg_deps="avcodec avformat swscale"
1390 ffmpeg_select="buffer_filter"
1391 ffplay_deps="avcodec avformat swscale sdl"
1392 ffplay_select="rdft"
1393 ffprobe_deps="avcodec avformat"
1394 ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1395 ffserver_extralibs='$ldl'
1396
1397 doc_deps="texi2html"
1398
1399 # tests
1400
1401 test_deps(){
1402     suf1=$1
1403     suf2=$2
1404     shift 2
1405     for v; do
1406         dep=${v%=*}
1407         tests=${v#*=}
1408         for name in ${tests}; do
1409             eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1410         done
1411     done
1412 }
1413
1414 test_deps _encoder _decoder                                             \
1415     ac3                                                                 \
1416     adpcm_g726=g726                                                     \
1417     adpcm_ima_qt                                                        \
1418     adpcm_ima_wav                                                       \
1419     adpcm_ms                                                            \
1420     adpcm_swf                                                           \
1421     adpcm_yamaha=adpcm_yam                                              \
1422     alac                                                                \
1423     asv1                                                                \
1424     asv2                                                                \
1425     bmp                                                                 \
1426     dnxhd="hdxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1427     dvvideo="dv dv50"                                                   \
1428     ffv1                                                                \
1429     flac                                                                \
1430     flashsv                                                             \
1431     flv                                                                 \
1432     gif                                                                 \
1433     h261                                                                \
1434     h263="h263 h263p"                                                   \
1435     huffyuv                                                             \
1436     jpegls                                                              \
1437     mjpeg="jpg mjpeg ljpeg"                                             \
1438     mp2                                                                 \
1439     mpeg1video="mpeg mpeg1b"                                            \
1440     mpeg2video="mpeg2 mpeg2thread"                                      \
1441     mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc"                 \
1442     msmpeg4v3=msmpeg4                                                   \
1443     msmpeg4v2                                                           \
1444     pbm=pbmpipe                                                         \
1445     pcx                                                                 \
1446     pgm="pgm pgmpipe"                                                   \
1447     ppm="ppm ppmpipe"                                                   \
1448     rawvideo="rgb yuv"                                                  \
1449     roq                                                                 \
1450     rv10                                                                \
1451     rv20                                                                \
1452     sgi                                                                 \
1453     snow="snow snowll"                                                  \
1454     svq1                                                                \
1455     targa=tga                                                           \
1456     tiff                                                                \
1457     wmav1                                                               \
1458     wmav2                                                               \
1459     wmv1                                                                \
1460     wmv2                                                                \
1461
1462 test_deps _muxer _demuxer                                               \
1463     aiff                                                                \
1464     pcm_alaw=alaw                                                       \
1465     asf                                                                 \
1466     au                                                                  \
1467     avi                                                                 \
1468     dv=dv_fmt                                                           \
1469     ffm                                                                 \
1470     flv=flv_fmt                                                         \
1471     gxf                                                                 \
1472     matroska=mkv                                                        \
1473     mmf                                                                 \
1474     mov                                                                 \
1475     pcm_mulaw=mulaw                                                     \
1476     mxf                                                                 \
1477     nut                                                                 \
1478     ogg                                                                 \
1479     rawvideo=pixfmt                                                     \
1480     rm                                                                  \
1481     swf                                                                 \
1482     mpegts=ts                                                           \
1483     voc                                                                 \
1484     wav                                                                 \
1485     yuv4mpegpipe=yuv4mpeg                                               \
1486
1487 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1488 pixdesc_be_test_deps="bigendian"
1489 pixdesc_le_test_deps="!bigendian"
1490
1491 # default parameters
1492
1493 logfile="config.log"
1494
1495 # installation paths
1496 prefix_default="/usr/local"
1497 bindir_default='${prefix}/bin'
1498 datadir_default='${prefix}/share/ffmpeg'
1499 incdir_default='${prefix}/include'
1500 libdir_default='${prefix}/lib'
1501 mandir_default='${prefix}/share/man'
1502 shlibdir_default="$libdir_default"
1503
1504 # toolchain
1505 ar_default="ar"
1506 cc_default="gcc"
1507 cc_version=\"unknown\"
1508 host_cc_default="gcc"
1509 ln_s="ln -sf"
1510 nm_default="nm"
1511 objformat="elf"
1512 ranlib="ranlib"
1513 strip_default="strip"
1514 yasmexe="yasm"
1515 nogas=":"
1516
1517 nm_opts='-g'
1518
1519 # machine
1520 arch_default=$(uname -m)
1521 cpu="generic"
1522
1523 # OS
1524 target_os_default=$(tolower $(uname -s))
1525 host_os=$target_os_default
1526
1527 # configurable options
1528 enable avcodec
1529 enable avcore
1530 enable avdevice
1531 enable avfilter
1532 enable avformat
1533 enable avutil
1534 enable asm
1535 enable debug
1536 enable doc
1537 enable fastdiv
1538 enable ffmpeg
1539 enable ffplay
1540 enable ffprobe
1541 enable ffserver
1542 enable mpegaudio_hp
1543 enable network
1544 enable optimizations
1545 enable protocols
1546 enable static
1547 enable stripping
1548 enable swscale
1549 enable swscale_alpha
1550
1551 # build settings
1552 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1553 FFSERVERLDFLAGS=-Wl,-E
1554 LIBPREF="lib"
1555 LIBSUF=".a"
1556 FULLNAME='$(NAME)$(BUILDSUF)'
1557 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1558 SLIBPREF="lib"
1559 SLIBSUF=".so"
1560 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1561 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1562 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1563 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1564
1565 CC_O='-o $@'
1566
1567 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1568 host_libs='-lm'
1569
1570 target_path='$(CURDIR)'
1571
1572 # since the object filename is not given with the -MM flag, the compiler
1573 # is only able to print the basename, and we must add the path ourselves
1574 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1575 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1576
1577 # find source path
1578 source_path="$(dirname "$0")"
1579 enable source_path_used
1580 if test -f configure; then
1581     source_path="$(pwd)"
1582     disable source_path_used
1583 else
1584     source_path="$(cd "$source_path"; pwd)"
1585     echo "$source_path" | grep -q '[[:blank:]]' &&
1586         die "Out of tree builds are impossible with whitespace in source path."
1587     test -e "$source_path/config.h" &&
1588         die "Out of tree builds are impossible with config.h in source dir."
1589 fi
1590
1591 for v in "$@"; do
1592     r=${v#*=}
1593     l=${v%"$r"}
1594     r=$(sh_quote "$r")
1595     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1596 done
1597
1598 find_things(){
1599     thing=$1
1600     pattern=$2
1601     file=$source_path/$3
1602     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1603 }
1604
1605 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1606 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1607 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1608 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1609 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1610 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1611 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1612 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1613 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1614 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1615 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1616
1617 find_tests(){
1618     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1619 }
1620
1621 ACODEC_TESTS=$(find_tests acodec)
1622 VCODEC_TESTS=$(find_tests vsynth1)
1623 LAVF_TESTS=$(find_tests lavf)
1624 LAVFI_TESTS=$(find_tests lavfi)
1625 SEEK_TESTS=$(find_tests seek seek_)
1626
1627 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1628
1629 for n in $COMPONENT_LIST; do
1630     v=$(toupper ${n%s})_LIST
1631     eval enable \$$v
1632     eval ${n}_if_any="\$$v"
1633 done
1634
1635 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1636
1637 die_unknown(){
1638     echo "Unknown option \"$1\"."
1639     echo "See $0 --help for available options."
1640     exit 1
1641 }
1642
1643 show_list() {
1644     suffix=_$1
1645     shift
1646     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1647     exit 0
1648 }
1649
1650 for opt do
1651     optval="${opt#*=}"
1652     case "$opt" in
1653     --extra-ldflags=*) add_ldflags $optval
1654     ;;
1655     --extra-libs=*) add_extralibs $optval
1656     ;;
1657     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1658     ;;
1659     --enable-debug=*) debuglevel="$optval"
1660     ;;
1661     --disable-everything)
1662     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1663     ;;
1664     --enable-*=*|--disable-*=*)
1665     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1666     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1667     eval list=\$$(toupper $thing)_LIST
1668     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1669     $action $(filter "$name" $list)
1670     ;;
1671     --enable-?*|--disable-?*)
1672     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1673     if is_in $option $COMPONENT_LIST; then
1674         test $action = disable && action=unset
1675         eval $action \$$(toupper ${option%s})_LIST
1676     elif is_in $option $CMDLINE_SELECT; then
1677         $action $option
1678     else
1679         die_unknown $opt
1680     fi
1681     ;;
1682     --list-*)
1683         NAME="${opt#--list-}"
1684         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1685         NAME=${NAME%s}
1686         eval show_list $NAME \$$(toupper $NAME)_LIST
1687     ;;
1688     --help|-h) show_help
1689     ;;
1690     *)
1691     optname="${opt%%=*}"
1692     optname="${optname#--}"
1693     optname=$(echo "$optname" | sed 's/-/_/g')
1694     if is_in $optname $CMDLINE_SET; then
1695         eval $optname='$optval'
1696     elif is_in $optname $CMDLINE_APPEND; then
1697         append $optname "$optval"
1698     else
1699          die_unknown $opt
1700     fi
1701     ;;
1702     esac
1703 done
1704
1705 disabled logging && logfile=/dev/null
1706
1707 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1708 set >> $logfile
1709
1710 test -n "$cross_prefix" && enable cross_compile
1711
1712 if enabled cross_compile; then
1713     test -n "$arch" && test -n "$target_os" ||
1714         die "Must specify target arch and OS when cross-compiling"
1715 fi
1716
1717 set_default arch target_os
1718
1719 ar_default="${cross_prefix}${ar_default}"
1720 cc_default="${cross_prefix}${cc_default}"
1721 nm_default="${cross_prefix}${nm_default}"
1722 ranlib="${cross_prefix}${ranlib}"
1723 strip_default="${cross_prefix}${strip_default}"
1724
1725 sysinclude_default="${sysroot}/usr/include"
1726
1727 set_default cc nm strip sysinclude
1728 enabled cross_compile || host_cc_default=$cc
1729 set_default host_cc
1730
1731 exesuf() {
1732     case $1 in
1733         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1734     esac
1735 }
1736
1737 EXESUF=$(exesuf $target_os)
1738 HOSTEXESUF=$(exesuf $host_os)
1739
1740 # set temporary file name
1741 : ${TMPDIR:=$TEMPDIR}
1742 : ${TMPDIR:=$TMP}
1743 : ${TMPDIR:=/tmp}
1744
1745 if ! check_cmd type mktemp; then
1746     # simple replacement for missing mktemp
1747     # NOT SAFE FOR GENERAL USE
1748     mktemp(){
1749         echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1750     }
1751 fi
1752
1753 tmpfile(){
1754     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1755         (set -C; exec > $tmp) 2>/dev/null ||
1756         die "Unable to create temporary file in $TMPDIR."
1757     append TMPFILES $tmp
1758     eval $1=$tmp
1759 }
1760
1761 trap 'rm -f -- $TMPFILES' EXIT
1762 trap exit HUP INT TERM
1763
1764 tmpfile TMPC  .c
1765 tmpfile TMPE  $EXESUF
1766 tmpfile TMPH  .h
1767 tmpfile TMPO  .o
1768 tmpfile TMPS  .S
1769 tmpfile TMPV  .ver
1770 tmpfile TMPSH .sh
1771
1772 unset -f mktemp
1773
1774 # make sure we can execute files in $TMPDIR
1775 cat > $TMPSH 2>> $logfile <<EOF
1776 #! /bin/sh
1777 EOF
1778 chmod +x $TMPSH >> $logfile 2>&1
1779 if ! $TMPSH >> $logfile 2>&1; then
1780     cat <<EOF
1781 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1782 variable to another directory and make sure that it is not mounted noexec.
1783 EOF
1784     die "Sanity test failed."
1785 fi
1786
1787 filter_cflags=echo
1788 filter_cppflags=echo
1789 filter_asflags=echo
1790
1791 if   $cc -v 2>&1 | grep -qi ^gcc; then
1792     cc_type=gcc
1793     cc_version=__VERSION__
1794     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1795     cc_ident="gcc $($cc -dumpversion) $gcc_extra_ver"
1796     if ! $cc -dumpversion | grep -q '^2\.'; then
1797         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1798         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1799     fi
1800     speed_cflags='-O3'
1801     size_cflags='-Os'
1802 elif $cc --version 2>/dev/null | grep -q Intel; then
1803     cc_type=icc
1804     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1805     cc_ident=$($cc --version | head -n1)
1806     CC_DEPFLAGS='-MMD'
1807     AS_DEPFLAGS='-MMD'
1808     speed_cflags='-O3'
1809     size_cflags='-Os'
1810     noopt_cflags='-O1'
1811 elif $cc -v 2>&1 | grep -q xlc; then
1812     cc_type=xlc
1813     cc_version="AV_STRINGIFY(__IBMC__)"
1814     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1815     speed_cflags='-O5'
1816     size_cflags='-O5 -qcompact'
1817 elif $cc -V 2>/dev/null | grep -q Compaq; then
1818     cc_type=ccc
1819     cc_version="AV_STRINGIFY(__DECC_VER)"
1820     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1821     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1822     debuglevel=3
1823     add_ldflags -Wl,-z,now # calls to libots crash without this
1824     speed_cflags='-fast'
1825     size_cflags='-O1'
1826 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1827     test -d "$sysroot" || die "No valid sysroot specified."
1828     cc_type=armcc
1829     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1830     cc_ident=$($cc --vsn | head -n1)
1831     armcc_conf="$PWD/armcc.conf"
1832     $cc --arm_linux_configure                 \
1833         --arm_linux_config_file="$armcc_conf" \
1834         --configure_sysroot="$sysroot"        \
1835         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1836         die "Error creating armcc configuration file."
1837     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1838     as_default="${cross_prefix}gcc"
1839     CC_DEPFLAGS='-MMD'
1840     AS_DEPFLAGS='-MMD'
1841     speed_cflags='-O3'
1842     size_cflags='-Os'
1843 elif $cc -version 2>/dev/null | grep -q TMS470; then
1844     cc_type=tms470
1845     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1846     cc_ident=$($cc -version | head -n1 | tr -s ' ')
1847     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1848     CC_O='-fr=$(@D)'
1849     as_default="${cross_prefix}gcc"
1850     ld_default="${cross_prefix}gcc"
1851     TMPO=$(basename $TMPC .c).o
1852     append TMPFILES $TMPO
1853     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1854     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1855     AS_DEPFLAGS='-MMD'
1856     speed_cflags='-O3 -mf=5'
1857     size_cflags='-O3 -mf=2'
1858     filter_cflags=tms470_flags
1859     tms470_flags(){
1860         for flag; do
1861             case $flag in
1862                 -march=*|-mcpu=*)
1863                     case "${flag#*=}" in
1864                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
1865                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
1866                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
1867                         armv6*|arm11*)          echo -mv=6   ;;
1868                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1869                                                 echo -mv=5e  ;;
1870                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1871                     esac
1872                     ;;
1873                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1874                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
1875                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
1876                 -msoft-float)   echo --float_support=vfplib       ;;
1877                 -O[0-3]|-mf=*)  echo $flag                        ;;
1878                 -g)             echo -g -mn                       ;;
1879                 -pds=*)         echo $flag                        ;;
1880             esac
1881         done
1882     }
1883 elif $cc -v 2>&1 | grep -q clang; then
1884     cc_type=clang
1885     $cc -dM -E $TMPC | grep -q __clang_version__ &&
1886         cc_version=__clang_version__ || cc_version=__VERSION__
1887     cc_ident=$($cc --version | head -n1)
1888     CC_DEPFLAGS='-MMD'
1889     AS_DEPFLAGS='-MMD'
1890     speed_cflags='-O3'
1891     size_cflags='-Os'
1892 elif $cc -V 2>&1 | grep -q Sun; then
1893     cc_type=suncc
1894     cc_version="AV_STRINGIFY(__SUNPRO_C)"
1895     cc_ident=$($cc -V | head -n1)
1896     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1897     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1898     speed_cflags='-O5'
1899     size_cflags='-O5 -xspace'
1900     filter_cflags=suncc_flags
1901     suncc_flags(){
1902         for flag; do
1903             case $flag in
1904                 -march=*|-mcpu=*)
1905                     case "${flag#*=}" in
1906                         native)                   echo -xtarget=native       ;;
1907                         v9|niagara)               echo -xarch=sparc          ;;
1908                         ultrasparc)               echo -xarch=sparcvis       ;;
1909                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
1910                         i586|pentium)             echo -xchip=pentium        ;;
1911                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
1912                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
1913                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
1914                         pentium4*)          echo -xtarget=pentium4           ;;
1915                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
1916                         *-sse3)             echo -xarch=sse3                 ;;
1917                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
1918                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
1919                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
1920                         k8|opteron|athlon64|athlon-fx)
1921                                                   echo -xarch=sse2a          ;;
1922                         athlon*)                  echo -xarch=pentium_proa   ;;
1923                     esac
1924                     ;;
1925                 -std=c99)             echo -xc99              ;;
1926                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
1927                 -fPIC)                echo -KPIC -xcode=pic32 ;;
1928                 -W*,*)                echo $flag              ;;
1929                 -f*-*|-W*)                                    ;;
1930                 *)                    echo $flag              ;;
1931             esac
1932         done
1933     }
1934 fi
1935
1936 test -n "$cc_type" && enable $cc_type ||
1937     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
1938
1939 : ${as_default:=$cc}
1940 : ${dep_cc_default:=$cc}
1941 : ${ld_default:=$cc}
1942 set_default ar as dep_cc ld
1943
1944 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1945 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1946
1947 add_cflags $extra_cflags
1948 add_asflags $extra_cflags
1949
1950 if test -n "$sysroot"; then
1951     case "$cc_type" in
1952         gcc)
1953             add_cppflags --sysroot="$sysroot"
1954             add_ldflags --sysroot="$sysroot"
1955         ;;
1956         tms470)
1957             add_cppflags -I"$sysinclude"
1958             add_ldflags  --sysroot="$sysroot"
1959         ;;
1960         clang)
1961             add_cppflags -isysroot "$sysroot"
1962             add_ldflags -isysroot "$sysroot"
1963         ;;
1964     esac
1965 fi
1966
1967 if test "$cpu" = host; then
1968     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1969
1970     case "$cc_type" in
1971         gcc)
1972             check_native(){
1973                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1974                 sed -n "/$1=/{
1975                             s/.*$1=\\([^ ]*\\).*/\\1/
1976                             p
1977                             q
1978                         }" $TMPE
1979             }
1980             cpu=$(check_native -march || check_native -mcpu)
1981         ;;
1982     esac
1983
1984     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1985 fi
1986
1987 # Deal with common $arch aliases
1988 case "$arch" in
1989     arm*)
1990         arch="arm"
1991     ;;
1992     mips|mipsel|IP*)
1993         arch="mips"
1994     ;;
1995     mips64*)
1996         arch="mips"
1997         subarch="mips64"
1998     ;;
1999     parisc|hppa)
2000         arch="parisc"
2001     ;;
2002     parisc64|hppa64)
2003         arch="parisc"
2004         subarch="parisc64"
2005     ;;
2006     "Power Macintosh"|ppc|powerpc)
2007         arch="ppc"
2008     ;;
2009     ppc64|powerpc64)
2010         arch="ppc"
2011         subarch="ppc64"
2012     ;;
2013     s390|s390x)
2014         arch="s390"
2015     ;;
2016     sh4|sh)
2017         arch="sh4"
2018     ;;
2019     sun4u|sparc64)
2020         arch="sparc"
2021         subarch="sparc64"
2022     ;;
2023     i[3-6]86|i86pc|BePC|x86_64|amd64)
2024         arch="x86"
2025     ;;
2026 esac
2027
2028 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2029 enable $arch
2030
2031 # Add processor-specific flags
2032 if test "$cpu" = generic; then
2033     : do nothing
2034 elif enabled ppc; then
2035
2036     case $(tolower $cpu) in
2037         601|ppc601|powerpc601)
2038             cpuflags="-mcpu=601"
2039             disable altivec
2040         ;;
2041         603*|ppc603*|powerpc603*)
2042             cpuflags="-mcpu=603"
2043             disable altivec
2044         ;;
2045         604*|ppc604*|powerpc604*)
2046             cpuflags="-mcpu=604"
2047             disable altivec
2048         ;;
2049         g3|75*|ppc75*|powerpc75*)
2050             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2051             disable altivec
2052         ;;
2053         g4|745*|ppc745*|powerpc745*)
2054             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2055         ;;
2056         74*|ppc74*|powerpc74*)
2057             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2058         ;;
2059         g5|970|ppc970|powerpc970|power4*)
2060             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2061         ;;
2062         cell)
2063             cpuflags="-mcpu=cell"
2064             enable ldbrx
2065         ;;
2066         e500v2)
2067             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2068             disable altivec
2069         ;;
2070         e500)
2071             cpuflags="-mcpu=8540 -mhard-float"
2072             disable altivec
2073         ;;
2074     esac
2075
2076 elif enabled x86; then
2077
2078     case $cpu in
2079         i[345]86|pentium)
2080             cpuflags="-march=$cpu"
2081             disable mmx
2082         ;;
2083         # targets that do NOT support conditional mov (cmov)
2084         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2085             cpuflags="-march=$cpu"
2086             disable cmov
2087         ;;
2088         # targets that do support conditional mov (cmov)
2089         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona)
2090             cpuflags="-march=$cpu"
2091             enable cmov
2092             enable fast_cmov
2093         ;;
2094         # targets that do support conditional mov but on which it's slow
2095         pentium4|pentium4m|prescott|nocona)
2096             cpuflags="-march=$cpu"
2097             enable cmov
2098             disable fast_cmov
2099         ;;
2100     esac
2101
2102 elif enabled sparc; then
2103
2104     case $cpu in
2105         niagara)
2106             cpuflags="-mcpu=$cpu"
2107             disable vis
2108         ;;
2109         sparc64)
2110             cpuflags="-mcpu=v9"
2111         ;;
2112     esac
2113
2114 elif enabled arm; then
2115
2116     case $cpu in
2117         armv*)
2118             cpuflags="-march=$cpu"
2119         ;;
2120         *)
2121             cpuflags="-mcpu=$cpu"
2122         ;;
2123     esac
2124
2125 elif enabled alpha; then
2126
2127     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2128
2129 elif enabled bfin; then
2130
2131     cpuflags="-mcpu=$cpu"
2132
2133 elif enabled mips; then
2134
2135     cpuflags="-march=$cpu"
2136
2137 elif enabled avr32; then
2138
2139     case $cpu in
2140         ap7[02]0[0-2])
2141             subarch="avr32_ap"
2142             cpuflags="-mpart=$cpu"
2143         ;;
2144         ap)
2145             subarch="avr32_ap"
2146             cpuflags="-march=$cpu"
2147         ;;
2148         uc3[ab]*)
2149             subarch="avr32_uc"
2150             cpuflags="-mcpu=$cpu"
2151         ;;
2152         uc)
2153             subarch="avr32_uc"
2154             cpuflags="-march=$cpu"
2155         ;;
2156     esac
2157
2158 fi
2159
2160 add_cflags $cpuflags
2161 add_asflags $cpuflags
2162
2163 # compiler sanity check
2164 check_exec <<EOF
2165 int main(void){ return 0; }
2166 EOF
2167 if test "$?" != 0; then
2168     echo "$cc is unable to create an executable file."
2169     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2170         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2171         echo "Only do this if you know what cross compiling means."
2172     fi
2173     die "C compiler test failed."
2174 fi
2175
2176 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2177 check_cflags -std=c99
2178 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2179 #include <stdlib.h>
2180 EOF
2181 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2182 #include <stdlib.h>
2183 EOF
2184
2185 check_host_cflags -std=c99
2186
2187 case "$arch" in
2188     alpha|ia64|mips|parisc|sparc)
2189         spic=$shared
2190     ;;
2191     x86)
2192         subarch="x86_32"
2193         check_cc <<EOF && subarch="x86_64"
2194         int test[(int)sizeof(char*) - 7];
2195 EOF
2196         if test "$subarch" = "x86_64"; then
2197             spic=$shared
2198         fi
2199     ;;
2200 esac
2201
2202 enable $subarch
2203 enabled spic && enable pic
2204
2205 # OS specific
2206 case $target_os in
2207     haiku)
2208         prefix_default="/boot/common"
2209         network_extralibs="-lnetwork"
2210         ;;
2211     sunos)
2212         FFSERVERLDFLAGS=""
2213         SHFLAGS='-shared -Wl,-h,$$(@F)'
2214         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2215         network_extralibs="-lsocket -lnsl"
2216         add_cppflags -D__EXTENSIONS__
2217         nm_opts='-P -g'
2218         ;;
2219     netbsd)
2220         oss_indev_extralibs="-lossaudio"
2221         oss_outdev_extralibs="-lossaudio"
2222         add_cppflags -D_XOPEN_SOURCE=600
2223         ;;
2224     openbsd)
2225         enable malloc_aligned
2226         # On OpenBSD 4.5. the compiler does not use PIC unless
2227         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2228         # however the generated executable will not do anything
2229         # (simply quits with exit-code 1, no crash, no output).
2230         # Thus explicitly enable PIC here.
2231         enable pic
2232         SHFLAGS='-shared'
2233         oss_indev_extralibs="-lossaudio"
2234         oss_outdev_extralibs="-lossaudio"
2235         ;;
2236     freebsd|dragonfly)
2237         enable malloc_aligned
2238         ;;
2239     bsd/os)
2240         add_extralibs -lpoll -lgnugetopt
2241         strip="strip -d"
2242         ;;
2243     darwin)
2244         enable malloc_aligned
2245         gas="gas-preprocessor.pl $cc"
2246         enabled ppc && add_asflags -force_cpusubtype_ALL
2247         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2248         strip="${strip} -x"
2249         add_ldflags -Wl,-dynamic,-search_paths_first
2250         SLIBSUF=".dylib"
2251         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2252         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2253         FFSERVERLDFLAGS=-Wl,-bind_at_load
2254         objformat="macho"
2255         enabled x86_64 && objformat="macho64"
2256         enabled_any pic shared ||
2257             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2258         ;;
2259     mingw32*)
2260         if test $target_os = "mingw32ce"; then
2261             disable network
2262         else
2263             target_os=mingw32
2264         fi
2265         LIBTARGET=i386
2266         if enabled x86_64; then
2267             enable malloc_aligned
2268             LIBTARGET=x64
2269         elif enabled arm; then
2270             LIBTARGET=arm
2271         fi
2272         shlibdir_default="$bindir_default"
2273         disable ffserver
2274         SLIBPREF=""
2275         SLIBSUF=".dll"
2276         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2277         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2278         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2279         SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2280             install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2281             install -d "$(LIBDIR)"; \
2282             install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2283         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2284         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'
2285         objformat="win32"
2286         enable dos_paths
2287         check_cflags -fno-common
2288         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2289                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2290                 die "ERROR: MinGW runtime version must be >= 3.15."
2291         ;;
2292     cygwin*)
2293         target_os=cygwin
2294         shlibdir_default="$bindir_default"
2295         SLIBPREF="cyg"
2296         SLIBSUF=".dll"
2297         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2298         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2299         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2300         objformat="win32"
2301         enable dos_paths
2302         check_cflags -fno-common
2303         ;;
2304     *-dos|freedos|opendos)
2305         disable ffplay ffserver
2306         disable $INDEV_LIST $OUTDEV_LIST
2307         network_extralibs="-lsocket"
2308         objformat="coff"
2309         enable dos_paths
2310         ;;
2311     linux)
2312         enable dv1394
2313         ;;
2314     irix*)
2315         target_os=irix
2316         ranlib="echo ignoring ranlib"
2317         ;;
2318     os/2*)
2319         strip="lxlite"
2320         ln_s="cp -f"
2321         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2322         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2323         FFSERVERLDFLAGS=""
2324         LIBSUF="_s.a"
2325         SLIBPREF=""
2326         SLIBSUF=".dll"
2327         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2328         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2329         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2330           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2331           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2332           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2333           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2334           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2335         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2336           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2337         SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2338         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2339         enable dos_paths
2340         ;;
2341     gnu/kfreebsd)
2342         ;;
2343     gnu)
2344         ;;
2345     none)
2346         ;;
2347     *)
2348         die "Unknown OS '$target_os'."
2349         ;;
2350 esac
2351
2352 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2353
2354 set_default $PATHS_LIST
2355
2356 # we need to build at least one lib type
2357 if ! enabled_any static shared; then
2358     cat <<EOF
2359 At least one library type must be built.
2360 Specify --enable-static to build the static libraries or --enable-shared to
2361 build the shared libraries as well. To only build the shared libraries specify
2362 --disable-static in addition to --enable-shared.
2363 EOF
2364     exit 1;
2365 fi
2366
2367 disabled static && LIBNAME=""
2368
2369 die_license_disabled() {
2370     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2371 }
2372
2373 die_license_disabled gpl libx264
2374 die_license_disabled gpl libxvid
2375 die_license_disabled gpl postproc
2376 die_license_disabled gpl x11grab
2377
2378 die_license_disabled nonfree libfaac
2379
2380 die_license_disabled version3 libopencore_amrnb
2381 die_license_disabled version3 libopencore_amrwb
2382
2383 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2384
2385 check_deps $ARCH_EXT_LIST
2386
2387 disabled optimizations || check_cflags -fomit-frame-pointer
2388
2389 enable_pic() {
2390     enable pic
2391     add_cppflags -DPIC
2392     add_cflags   -fPIC
2393     add_asflags  -fPIC
2394 }
2395
2396 enabled pic && enable_pic
2397
2398 check_cc <<EOF || die "Symbol mangling check failed."
2399 int ff_extern;
2400 EOF
2401 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2402 extern_prefix=${sym%%ff_extern*}
2403
2404 check_cc <<EOF && enable inline_asm
2405 void foo(void) { __asm__ volatile ("" ::); }
2406 EOF
2407
2408 _restrict=
2409 for restrict_keyword in restrict __restrict__ __restrict; do
2410     check_cc <<EOF && _restrict=$restrict_keyword && break
2411 void foo(char * $restrict_keyword p);
2412 EOF
2413 done
2414
2415 check_cc <<EOF && enable attribute_packed
2416 struct { int x; } __attribute__((packed)) x;
2417 EOF
2418
2419 check_cc <<EOF && enable attribute_may_alias
2420 union { int x; } __attribute__((may_alias)) x;
2421 EOF
2422
2423 check_cc <<EOF || die "endian test failed"
2424 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2425 EOF
2426 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2427
2428 if enabled alpha; then
2429
2430     check_cflags -mieee
2431
2432 elif enabled arm; then
2433
2434     check_cflags -marm
2435     nogas=die
2436
2437     check_ld <<EOF && enable vfp_args
2438 __asm__ (".eabi_attribute 28, 1");
2439 int main(void) { return 0; }
2440 EOF
2441
2442     # We have to check if pld is a nop and disable it.
2443     check_asm pld '"pld [r0]"'
2444
2445     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2446     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2447     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2448     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2449     enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2450     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2451
2452     enabled_all armv6t2 shared !pic && enable_pic
2453
2454 elif enabled mips; then
2455
2456     check_asm loongson '"dmult.g $1, $2, $3"'
2457     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2458
2459 elif enabled ppc; then
2460
2461     enable local_aligned_8 local_aligned_16
2462
2463     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2464     check_asm ibm_asm   '"add 0, 0, 0"'
2465     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2466     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2467
2468     # AltiVec flags: The FSF version of GCC differs from the Apple version
2469     if enabled altivec; then
2470         nogas=warn
2471         check_cflags -maltivec -mabi=altivec &&
2472         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2473         check_cflags -faltivec
2474
2475         # check if our compiler supports Motorola AltiVec C API
2476         check_cc <<EOF || disable altivec
2477 $inc_altivec_h
2478 int main(void) {
2479     vector signed int v1, v2, v3;
2480     v1 = vec_add(v2,v3);
2481     return 0;
2482 }
2483 EOF
2484
2485         # check if our compiler supports braces for vector declarations
2486         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2487 $inc_altivec_h
2488 int main (void) { (vector int) {1}; return 0; }
2489 EOF
2490     fi
2491
2492 elif enabled sparc; then
2493
2494     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2495         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2496
2497 elif enabled x86; then
2498
2499     enable local_aligned_8 local_aligned_16
2500
2501     # check whether EBP is available on x86
2502     # As 'i' is stored on the stack, this program will crash
2503     # if the base pointer is used to access it because the
2504     # base pointer is cleared in the inline assembly code.
2505     check_exec_crash <<EOF && enable ebp_available
2506     volatile int i=0;
2507     __asm__ volatile (
2508         "xorl %%ebp, %%ebp"
2509     ::: "%ebp");
2510     return i;
2511 EOF
2512
2513     # check whether EBX is available on x86
2514     check_asm ebx_available '""::"b"(0)' &&
2515         check_asm ebx_available '"":::"%ebx"'
2516
2517     # check whether more than 10 operands are supported
2518     check_cc <<EOF && enable ten_operands
2519 int main(void) {
2520     int x=0;
2521     __asm__ volatile(
2522         ""
2523         :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2524     );
2525     return 0;
2526 }
2527 EOF
2528
2529     # check whether binutils is new enough to compile SSSE3/MMX2
2530     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2531     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2532
2533     check_asm bswap '"bswap %%eax" ::: "%eax"'
2534
2535     YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2536     enabled     x86_64        && append YASMFLAGS "-m amd64"
2537     enabled     pic           && append YASMFLAGS "-DPIC"
2538     test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2539     case "$objformat" in
2540         elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2541     esac
2542     if ! disabled yasm; then
2543         check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2544             warn "yasm not found, performance will suffer"
2545     fi
2546
2547     case "$cpu" in
2548         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2549             disable fast_clz
2550         ;;
2551     esac
2552
2553 fi
2554
2555 if enabled asm; then
2556     as=${gas:=$as}
2557     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2558         $nogas "GNU assembler not found, install gas-preprocessor"
2559 fi
2560
2561 if check_func dlopen; then
2562     ldl=
2563 elif check_func dlopen -ldl; then
2564     ldl=-ldl
2565 fi
2566
2567 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2568 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2569
2570 check_func  fcntl
2571 check_func  fork
2572 check_func  getaddrinfo $network_extralibs
2573 check_func  gethrtime
2574 check_func  getrusage
2575 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2576 check_func  inet_aton $network_extralibs
2577 check_func  isatty
2578 check_func  ${malloc_prefix}memalign            && enable memalign
2579 check_func  mkstemp
2580 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2581 check_func  setrlimit
2582 check_func  strerror_r
2583 check_func_headers io.h setmode
2584 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2585 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2586 check_func_headers windows.h GetProcessTimes
2587 check_func_headers windows.h VirtualAlloc
2588
2589 check_header conio.h
2590 check_header dlfcn.h
2591 check_header dxva2api.h
2592 check_header malloc.h
2593 check_header poll.h
2594 check_header sys/mman.h
2595 check_header sys/resource.h
2596 check_header sys/select.h
2597 check_header termios.h
2598 check_header vdpau/vdpau.h
2599 check_header vdpau/vdpau_x11.h
2600 check_header X11/extensions/XvMClib.h
2601
2602 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2603
2604 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2605      enabled_any $need_memalign ; then
2606     die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2607 fi
2608
2609 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2610 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2611
2612 # check for some common methods of building with pthread support
2613 # do this before the optional library checks as some of them require pthreads
2614 if ! disabled pthreads && ! enabled w32threads; then
2615     enable pthreads
2616     if check_func pthread_create; then
2617         :
2618     elif check_func pthread_create -pthread; then
2619         add_cflags -pthread
2620         add_extralibs -pthread
2621     elif check_func pthread_create -pthreads; then
2622         add_cflags -pthreads
2623         add_extralibs -pthreads
2624     elif check_func pthread_create -lpthreadGC2; then
2625         add_extralibs -lpthreadGC2
2626     elif ! check_lib pthread.h pthread_create -lpthread; then
2627         disable pthreads
2628     fi
2629 fi
2630
2631 for thread in $THREADS_LIST; do
2632     if enabled $thread; then
2633         test -n "$thread_type" &&
2634             die "ERROR: Only one thread type must be selected." ||
2635             thread_type="$thread"
2636     fi
2637 done
2638
2639 check_lib math.h sin -lm
2640 disabled vaapi || check_lib va/va.h vaInitialize -lva
2641
2642 check_mathfunc exp2
2643 check_mathfunc exp2f
2644 check_mathfunc llrint
2645 check_mathfunc llrintf
2646 check_mathfunc log2
2647 check_mathfunc log2f
2648 check_mathfunc lrint
2649 check_mathfunc lrintf
2650 check_mathfunc round
2651 check_mathfunc roundf
2652 check_mathfunc truncf
2653
2654 # these are off by default, so fail if requested and not available
2655 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2656 enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2657                       require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2658                       require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2659 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2660 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
2661 enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame
2662 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2663 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2664 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2665 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2666 enabled librtmp    && { check_lib librtmp/rtmp.h RTMP_Socket $(pkg-config --libs librtmp) ||
2667                         die "ERROR: librtmp not found or RTMP_Socket() missing, librtmp version must be >= 2.2.f"; }
2668 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2669                            require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2670 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2671 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2672 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2673 enabled libvpx     && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx &&
2674                         check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2675                       die "ERROR: libvpx version must be >=0.9.1"; }
2676 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
2677                       { check_cpp_condition x264.h "X264_BUILD >= 98" ||
2678                         die "ERROR: libx264 version must be >= 0.98."; }
2679 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2680 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2681
2682 # libdc1394 check
2683 if enabled libdc1394; then
2684     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2685         enable libdc1394_2; } ||
2686     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2687         enable libdc1394_1; } ||
2688     die "ERROR: No version of libdc1394 found "
2689 fi
2690
2691 SDL_CONFIG="${cross_prefix}sdl-config"
2692 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2693     sdl_cflags=$("${SDL_CONFIG}" --cflags)
2694     sdl_libs=$("${SDL_CONFIG}" --libs)
2695     check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2696     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2697     enable sdl &&
2698     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2699 fi
2700
2701 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2702
2703 if enabled network; then
2704     check_type "sys/types.h sys/socket.h" socklen_t
2705     check_type netdb.h "struct addrinfo"
2706     check_type netinet/in.h "struct ipv6_mreq"
2707     check_type netinet/in.h "struct sockaddr_in6"
2708     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2709     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2710     # Prefer arpa/inet.h over winsock2
2711     if check_header arpa/inet.h ; then
2712         check_func closesocket
2713     elif check_header winsock2.h ; then
2714         check_func_headers winsock2.h closesocket -lws2 && \
2715             network_extralibs="-lws2" || \
2716         { check_func_headers winsock2.h closesocket -lws2_32 && \
2717             network_extralibs="-lws2_32"; }
2718         check_type ws2tcpip.h socklen_t
2719         check_type ws2tcpip.h "struct addrinfo"
2720         check_type ws2tcpip.h "struct ipv6_mreq"
2721         check_type ws2tcpip.h "struct sockaddr_in6"
2722         check_type ws2tcpip.h "struct sockaddr_storage"
2723         check_struct winsock2.h "struct sockaddr" sa_len
2724     else
2725         disable network
2726     fi
2727 fi
2728
2729 check_header linux/videodev.h
2730 check_header linux/videodev2.h
2731 check_header sys/videoio.h
2732
2733 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2734 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2735 # w32api 3.12 had it defined wrong
2736 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2737
2738 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2739 { check_header dev/bktr/ioctl_meteor.h &&
2740   check_header dev/bktr/ioctl_bt848.h; } ||
2741 { check_header machine/ioctl_meteor.h &&
2742   check_header machine/ioctl_bt848.h; } ||
2743 { check_header dev/video/meteor/ioctl_meteor.h &&
2744   check_header dev/video/bktr/ioctl_bt848.h; } ||
2745 check_header dev/ic/bt8xx.h
2746
2747 check_header sys/soundcard.h
2748 check_header soundcard.h
2749
2750 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2751
2752 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2753
2754 enabled x11grab                         &&
2755 check_header X11/Xlib.h                 &&
2756 check_header X11/extensions/XShm.h      &&
2757 check_header X11/extensions/Xfixes.h    &&
2758 check_func XOpenDisplay -lX11           &&
2759 check_func XShmCreateImage -lX11 -lXext &&
2760 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2761
2762 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2763 check_cpp_condition \
2764     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2765     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2766       disable vdpau; }
2767 fi
2768
2769 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2770
2771 # add some useful compiler flags if supported
2772 check_cflags -Wdeclaration-after-statement
2773 check_cflags -Wall
2774 check_cflags -Wno-switch
2775 check_cflags -Wdisabled-optimization
2776 check_cflags -Wpointer-arith
2777 check_cflags -Wredundant-decls
2778 check_cflags -Wno-pointer-sign
2779 check_cflags -Wcast-qual
2780 check_cflags -Wwrite-strings
2781 check_cflags -Wtype-limits
2782 check_cflags -Wundef
2783 check_cflags -Wmissing-prototypes
2784 enabled extra_warnings && check_cflags -Winline
2785
2786 # add some linker flags
2787 check_ldflags -Wl,--warn-common
2788 check_ldflags -Wl,--as-needed
2789 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)/libavcore -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
2790 check_ldflags -Wl,-Bsymbolic
2791
2792 echo "X{};" > $TMPV
2793 if test_ldflags -Wl,--version-script,$TMPV; then
2794     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2795     check_cc <<EOF && enable symver_asm_label
2796 void ff_foo(void) __asm__ ("av_foo@VERSION");
2797 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2798 EOF
2799     check_cc <<EOF && enable symver_gnu_asm
2800 __asm__(".symver ff_foo,av_foo@VERSION");
2801 void ff_foo(void) {}
2802 EOF
2803 fi
2804
2805 if enabled small; then
2806     add_cflags $size_cflags
2807     optimizations="small"
2808 elif enabled optimizations; then
2809     add_cflags $speed_cflags
2810 else
2811     add_cflags $noopt_cflags
2812 fi
2813 check_cflags -fno-math-errno
2814 check_cflags -fno-signed-zeros
2815
2816 if enabled icc; then
2817     # Just warnings, no remarks
2818     check_cflags -w1
2819     # -wd: Disable following warnings
2820     # 144, 167, 556: -Wno-pointer-sign
2821     # 10006: ignoring unknown option -fno-signed-zeros
2822     # 10156: ignoring option '-W'; no argument required
2823     check_cflags -wd144,167,556,10006,10156
2824     # 11030: Warning unknown option --as-needed
2825     # 10156: ignoring option '-export'; no argument required
2826     check_ldflags -wd10156,11030
2827     # Allow to compile with optimizations
2828     check_ldflags -march=$cpu
2829     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2830     enable ebp_available
2831 elif enabled ccc; then
2832     # disable some annoying warnings
2833     add_cflags -msg_disable cvtu32to64
2834     add_cflags -msg_disable embedcomment
2835     add_cflags -msg_disable needconstext
2836     add_cflags -msg_disable nomainieee
2837     add_cflags -msg_disable ptrmismatch1
2838     add_cflags -msg_disable unreachcode
2839 elif enabled gcc; then
2840     check_cflags -fno-tree-vectorize
2841     check_cflags -Werror=implicit-function-declaration
2842     check_cflags -Werror=missing-prototypes
2843 elif enabled clang; then
2844     check_cflags -Qunused-arguments
2845 elif enabled armcc; then
2846     # 2523: use of inline assembler is deprecated
2847     add_cflags -Wrvct,--diag_suppress=2523
2848     add_cflags -Wrvct,--diag_suppress=1207
2849 elif enabled tms470; then
2850     add_cflags -pds=824 -pds=837
2851 fi
2852
2853 enabled_any $THREADS_LIST      && enable threads
2854
2855 check_deps $CONFIG_LIST       \
2856            $CONFIG_EXTRA      \
2857            $HAVE_LIST         \
2858            $DECODER_LIST      \
2859            $ENCODER_LIST      \
2860            $HWACCEL_LIST      \
2861            $PARSER_LIST       \
2862            $BSF_LIST          \
2863            $DEMUXER_LIST      \
2864            $MUXER_LIST        \
2865            $FILTER_LIST       \
2866            $INDEV_LIST        \
2867            $OUTDEV_LIST       \
2868            $PROTOCOL_LIST     \
2869            $ACODEC_TESTS      \
2870            $VCODEC_TESTS      \
2871            $LAVF_TESTS        \
2872            $LAVFI_TESTS       \
2873            $SEEK_TESTS        \
2874
2875 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
2876
2877 echo "install prefix            $prefix"
2878 echo "source path               $source_path"
2879 echo "C compiler                $cc"
2880 echo "ARCH                      $arch ($cpu)"
2881 if test "$build_suffix" != ""; then
2882     echo "build suffix              $build_suffix"
2883 fi
2884 if test "$extra_version" != ""; then
2885     echo "version string suffix     $extra_version"
2886 fi
2887 echo "big-endian                ${bigendian-no}"
2888 echo "runtime cpu detection     ${runtime_cpudetect-no}"
2889 if enabled x86; then
2890     echo "yasm                      ${yasm-no}"
2891     echo "MMX enabled               ${mmx-no}"
2892     echo "MMX2 enabled              ${mmx2-no}"
2893     echo "3DNow! enabled            ${amd3dnow-no}"
2894     echo "3DNow! extended enabled   ${amd3dnowext-no}"
2895     echo "SSE enabled               ${sse-no}"
2896     echo "SSSE3 enabled             ${ssse3-no}"
2897     echo "CMOV enabled              ${cmov-no}"
2898     echo "CMOV is fast              ${fast_cmov-no}"
2899     echo "EBX available             ${ebx_available-no}"
2900     echo "EBP available             ${ebp_available-no}"
2901     echo "10 operands supported     ${ten_operands-no}"
2902 fi
2903 if enabled arm; then
2904     echo "ARMv5TE enabled           ${armv5te-no}"
2905     echo "ARMv6 enabled             ${armv6-no}"
2906     echo "ARMv6T2 enabled           ${armv6t2-no}"
2907     echo "ARM VFP enabled           ${armvfp-no}"
2908     echo "IWMMXT enabled            ${iwmmxt-no}"
2909     echo "NEON enabled              ${neon-no}"
2910 fi
2911 if enabled mips; then
2912     echo "MMI enabled               ${mmi-no}"
2913 fi
2914 if enabled ppc; then
2915     echo "AltiVec enabled           ${altivec-no}"
2916     echo "PPC 4xx optimizations     ${ppc4xx-no}"
2917     echo "dcbzl available           ${dcbzl-no}"
2918 fi
2919 if enabled sparc; then
2920     echo "VIS enabled               ${vis-no}"
2921 fi
2922 echo "debug symbols             ${debug-no}"
2923 echo "strip symbols             ${stripping-no}"
2924 echo "optimizations             ${optimizations-no}"
2925 echo "static                    ${static-no}"
2926 echo "shared                    ${shared-no}"
2927 echo "postprocessing support    ${postproc-no}"
2928 echo "new filter support        ${avfilter-no}"
2929 echo "filters using lavformat   ${avfilter_lavf-no}"
2930 echo "network support           ${network-no}"
2931 echo "threading support         ${thread_type-no}"
2932 echo "SDL support               ${sdl-no}"
2933 echo "Sun medialib support      ${mlib-no}"
2934 echo "AVISynth enabled          ${avisynth-no}"
2935 echo "libdc1394 support         ${libdc1394-no}"
2936 echo "libdirac enabled          ${libdirac-no}"
2937 echo "libfaac enabled           ${libfaac-no}"
2938 echo "libgsm enabled            ${libgsm-no}"
2939 echo "libmp3lame enabled        ${libmp3lame-no}"
2940 echo "libnut enabled            ${libnut-no}"
2941 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2942 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2943 echo "libopenjpeg enabled       ${libopenjpeg-no}"
2944 echo "librtmp enabled           ${librtmp-no}"
2945 echo "libschroedinger enabled   ${libschroedinger-no}"
2946 echo "libspeex enabled          ${libspeex-no}"
2947 echo "libtheora enabled         ${libtheora-no}"
2948 echo "libvorbis enabled         ${libvorbis-no}"
2949 echo "libvpx enabled            ${libvpx-no}"
2950 echo "libx264 enabled           ${libx264-no}"
2951 echo "libxvid enabled           ${libxvid-no}"
2952 echo "zlib enabled              ${zlib-no}"
2953 echo "bzlib enabled             ${bzlib-no}"
2954 echo
2955
2956 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2957     echo "Enabled ${type}s:"
2958     eval list=\$$(toupper $type)_LIST
2959     print_enabled '_*' $list | sort | pr -3 -t
2960     echo
2961 done
2962
2963 license="LGPL version 2.1 or later"
2964 if enabled nonfree; then
2965     license="nonfree and unredistributable"
2966 elif enabled gplv3; then
2967     license="GPL version 3 or later"
2968 elif enabled lgplv3; then
2969     license="LGPL version 3 or later"
2970 elif enabled gpl; then
2971     license="GPL version 2 or later"
2972 fi
2973
2974 echo "License: $license"
2975
2976 echo "Creating config.mak and config.h..."
2977
2978 # build tree in object directory if source path is different from current one
2979 if enabled source_path_used; then
2980     DIRS="
2981         doc
2982         libavcodec
2983         libavcodec/$arch
2984         libavcore
2985         libavdevice
2986         libavfilter
2987         libavformat
2988         libavutil
2989         libavutil/$arch
2990         libpostproc
2991         libswscale
2992         libswscale/$arch
2993         tests
2994         tools
2995     "
2996     FILES="
2997         Makefile
2998         common.mak
2999         subdir.mak
3000         doc/texi2pod.pl
3001         libavcodec/Makefile
3002         libavcodec/${arch}/Makefile
3003         libavcore/Makefile
3004         libavdevice/Makefile
3005         libavfilter/Makefile
3006         libavformat/Makefile
3007         libavutil/Makefile
3008         libpostproc/Makefile
3009         libswscale/Makefile
3010     "
3011     map 'mkdir -p $v' $DIRS;
3012     map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
3013 fi
3014
3015 enabled stripping || strip="echo skipping strip"
3016
3017 cat > config.mak <<EOF
3018 # Automatically generated by configure - do not modify!
3019 ifndef FFMPEG_CONFIG_MAK
3020 FFMPEG_CONFIG_MAK=1
3021 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3022 prefix=$prefix
3023 LIBDIR=\$(DESTDIR)$libdir
3024 SHLIBDIR=\$(DESTDIR)$shlibdir
3025 INCDIR=\$(DESTDIR)$incdir
3026 BINDIR=\$(DESTDIR)$bindir
3027 DATADIR=\$(DESTDIR)$datadir
3028 MANDIR=\$(DESTDIR)$mandir
3029 SRC_PATH="$source_path"
3030 SRC_PATH_BARE=$source_path
3031 BUILD_ROOT="$PWD"
3032 CC_IDENT=$cc_ident
3033 ARCH=$arch
3034 CC=$cc
3035 AS=$as
3036 LD=$ld
3037 DEPCC=$dep_cc
3038 YASM=$yasmexe
3039 YASMDEP=$yasmexe
3040 AR=$ar
3041 RANLIB=$ranlib
3042 CP=cp -p
3043 LN_S=$ln_s
3044 STRIP=$strip
3045 CPPFLAGS=$CPPFLAGS
3046 CFLAGS=$CFLAGS
3047 ASFLAGS=$ASFLAGS
3048 CC_O=$CC_O
3049 LDFLAGS=$LDFLAGS
3050 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3051 SHFLAGS=$SHFLAGS
3052 YASMFLAGS=$YASMFLAGS
3053 BUILDSUF=$build_suffix
3054 FULLNAME=$FULLNAME
3055 LIBPREF=$LIBPREF
3056 LIBSUF=$LIBSUF
3057 LIBNAME=$LIBNAME
3058 SLIBPREF=$SLIBPREF
3059 SLIBSUF=$SLIBSUF
3060 EXESUF=$EXESUF
3061 EXTRA_VERSION=$extra_version
3062 DEPFLAGS=$DEPFLAGS
3063 CCDEP=$CCDEP
3064 ASDEP=$ASDEP
3065 CC_DEPFLAGS=$CC_DEPFLAGS
3066 AS_DEPFLAGS=$AS_DEPFLAGS
3067 HOSTCC=$host_cc
3068 HOSTCFLAGS=$host_cflags
3069 HOSTEXESUF=$HOSTEXESUF
3070 HOSTLDFLAGS=$host_ldflags
3071 HOSTLIBS=$host_libs
3072 TARGET_EXEC=$target_exec
3073 TARGET_PATH=$target_path
3074 SDL_LIBS=$sdl_libs
3075 SDL_CFLAGS=$sdl_cflags
3076 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3077 EXTRALIBS=$extralibs
3078 INSTALL=install
3079 LIBTARGET=${LIBTARGET}
3080 SLIBNAME=${SLIBNAME}
3081 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3082 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3083 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3084 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3085 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3086 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3087 SAMPLES=$samples
3088 EOF
3089
3090 get_version(){
3091     name=$1
3092     file=$source_path/$2
3093     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3094     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3095     lcname=$(tolower $name)
3096     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3097     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3098 }
3099
3100 get_version LIBSWSCALE  libswscale/swscale.h
3101 get_version LIBPOSTPROC libpostproc/postprocess.h
3102 get_version LIBAVCODEC  libavcodec/avcodec.h
3103 get_version LIBAVCORE   libavcore/avcore.h
3104 get_version LIBAVDEVICE libavdevice/avdevice.h
3105 get_version LIBAVFORMAT libavformat/avformat.h
3106 get_version LIBAVUTIL   libavutil/avutil.h
3107 get_version LIBAVFILTER libavfilter/avfilter.h
3108
3109 cat > $TMPH <<EOF
3110 /* Automatically generated by configure - do not modify! */
3111 #ifndef FFMPEG_CONFIG_H
3112 #define FFMPEG_CONFIG_H
3113 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3114 #define FFMPEG_LICENSE "$(c_escape $license)"
3115 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3116 #define CC_TYPE "$cc_type"
3117 #define CC_VERSION $cc_version
3118 #define restrict $_restrict
3119 #define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
3120 #define EXTERN_PREFIX "${extern_prefix}"
3121 #define EXTERN_ASM ${extern_prefix}
3122 EOF
3123
3124 test -n "$malloc_prefix" &&
3125     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3126
3127 if enabled small || disabled optimizations; then
3128     echo "#undef  av_always_inline"  >> $TMPH
3129     echo "#define av_always_inline"  >> $TMPH
3130 fi
3131
3132 print_config ARCH_   $TMPH config.mak $ARCH_LIST
3133 print_config HAVE_   $TMPH config.mak $HAVE_LIST
3134 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
3135                                       $CONFIG_EXTRA      \
3136                                       $DECODER_LIST      \
3137                                       $ENCODER_LIST      \
3138                                       $HWACCEL_LIST      \
3139                                       $PARSER_LIST       \
3140                                       $BSF_LIST          \
3141                                       $DEMUXER_LIST      \
3142                                       $MUXER_LIST        \
3143                                       $FILTER_LIST       \
3144                                       $PROTOCOL_LIST     \
3145                                       $INDEV_LIST        \
3146                                       $OUTDEV_LIST       \
3147
3148 cat >>config.mak <<EOF
3149 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3150 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3151 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3152 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3153 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3154 EOF
3155
3156 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3157 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3158
3159 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3160 cp_if_changed $TMPH config.h
3161 touch .config
3162
3163 cat > $TMPH <<EOF
3164 /* Generated by ffconf */
3165 #ifndef AVUTIL_AVCONFIG_H
3166 #define AVUTIL_AVCONFIG_H
3167 EOF
3168
3169 print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3170
3171 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3172
3173 cp_if_changed $TMPH libavutil/avconfig.h
3174
3175 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
3176
3177 test -n "$WARNINGS" && printf "\n$WARNINGS"
3178
3179 # build pkg-config files
3180
3181 pkgconfig_generate(){
3182 name=$1
3183 shortname=${name#lib}${build_suffix}
3184 comment=$2
3185 version=$3
3186 libs=$4
3187 requires=$5
3188 enabled $shortname || return
3189 cat <<EOF > $name/$name.pc
3190 prefix=$prefix
3191 exec_prefix=\${prefix}
3192 libdir=$libdir
3193 includedir=$incdir
3194
3195 Name: $name
3196 Description: $comment
3197 Version: $version
3198 Requires: $(enabled shared || echo $requires)
3199 Requires.private: $(enabled shared && echo $requires)
3200 Conflicts:
3201 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3202 Libs.private: $(enabled shared && echo $libs)
3203 Cflags: -I\${includedir}
3204 EOF
3205 cat <<EOF > $name/$name-uninstalled.pc
3206 prefix=
3207 exec_prefix=
3208 libdir=\${pcfiledir}
3209 includedir=${source_path}
3210
3211 Name: $name
3212 Description: $comment
3213 Version: $version
3214 Requires: $requires
3215 Conflicts:
3216 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3217 Cflags: -I\${includedir}
3218 EOF
3219 }
3220
3221 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3222 pkgconfig_generate libavcore "FFmpeg multimedia shared core utilities library" "$LIBAVCORE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3223 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3224 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3225 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3226 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3227 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3228 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"