30358391de2f3b8fb347b45d284e462f487046a6
[ffmpeg.git] / configure
1 #!/bin/sh
2 #
3 # FFmpeg configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18     echo "Trying shell $1"
19     type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30     echo "Broken shell detected.  Trying alternatives."
31     export FF_CONF_EXEC
32     if test "0$FF_CONF_EXEC" -lt 1; then
33         FF_CONF_EXEC=1
34         try_exec bash "$0" "$@"
35     fi
36     if test "0$FF_CONF_EXEC" -lt 2; then
37         FF_CONF_EXEC=2
38         try_exec ksh "$0" "$@"
39     fi
40     if test "0$FF_CONF_EXEC" -lt 3; then
41         FF_CONF_EXEC=3
42         try_exec /usr/xpg4/bin/sh "$0" "$@"
43     fi
44     echo "No compatible shell script interpreter found."
45     echo "This configure script requires a POSIX-compatible shell"
46     echo "such as bash or ksh."
47     echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48     echo "Instead, install a working POSIX-compatible shell."
49     echo "Disabling this configure test will create a broken FFmpeg."
50     if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51         echo "This bash version ($BASH_VERSION) is broken on your platform."
52         echo "Upgrade to a later version if available."
53     fi
54     exit 1
55 fi
56
57 show_help(){
58 cat <<EOF
59 Usage: configure [options]
60 Options: [defaults in brackets after descriptions]
61
62 Standard options:
63   --help                   print this message
64   --logfile=FILE           log tests and output to FILE [config.log]
65   --disable-logging        do not log configure debug information
66   --prefix=PREFIX          install in PREFIX [$prefix]
67   --bindir=DIR             install binaries in DIR [PREFIX/bin]
68   --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
69   --libdir=DIR             install libs in DIR [PREFIX/lib]
70   --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
71   --incdir=DIR             install includes in DIR [PREFIX/include]
72   --mandir=DIR             install man page in DIR [PREFIX/share/man]
73
74 Configuration options:
75   --disable-static         do not build static libraries [no]
76   --enable-shared          build shared libraries [no]
77   --enable-gpl             allow use of GPL code, the resulting libs
78                            and binaries will be under GPL [no]
79   --enable-version3        upgrade (L)GPL to version 3 [no]
80   --enable-nonfree         allow use of nonfree code, the resulting libs
81                            and binaries will be unredistributable [no]
82   --disable-doc            do not build documentation
83   --disable-ffmpeg         disable ffmpeg build
84   --disable-ffplay         disable ffplay build
85   --disable-ffprobe        disable ffprobe build
86   --disable-ffserver       disable ffserver build
87   --disable-avdevice       disable libavdevice build
88   --disable-avcodec        disable libavcodec build
89   --disable-avformat       disable libavformat build
90   --disable-swscale        disable libswscale build
91   --enable-postproc        enable GPLed postprocessing support [no]
92   --disable-avfilter       disable video filter support [no]
93   --enable-avfilter-lavf   video filters dependent on avformat [no]
94   --disable-pthreads       disable pthreads [auto]
95   --enable-w32threads      use Win32 threads [no]
96   --enable-x11grab         enable X11 grabbing [no]
97   --disable-network        disable network support [no]
98   --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]
99   --enable-gray            enable full grayscale support (slower color)
100   --disable-swscale-alpha  disable alpha channel support in swscale
101   --disable-fastdiv        disable table-based division
102   --enable-small           optimize for size instead of speed
103   --disable-aandct         disable AAN DCT code
104   --disable-dct            disable DCT code
105   --disable-fft            disable FFT code
106   --disable-golomb         disable Golomb code
107   --disable-lpc            disable LPC code
108   --disable-mdct           disable MDCT code
109   --disable-rdft           disable RDFT code
110   --disable-vaapi          disable VAAPI code
111   --disable-vdpau          disable VDPAU code
112   --disable-dxva2          disable DXVA2 code
113   --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
114   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
115   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
116   --disable-everything     disable all components listed below
117   --disable-encoder=NAME   disable encoder NAME
118   --enable-encoder=NAME    enable encoder NAME
119   --disable-encoders       disable all encoders
120   --disable-decoder=NAME   disable decoder NAME
121   --enable-decoder=NAME    enable decoder NAME
122   --disable-decoders       disable all decoders
123   --disable-hwaccel=NAME   disable hwaccel NAME
124   --enable-hwaccel=NAME    enable hwaccel NAME
125   --disable-hwaccels       disable all hwaccels
126   --disable-muxer=NAME     disable muxer NAME
127   --enable-muxer=NAME      enable muxer NAME
128   --disable-muxers         disable all muxers
129   --disable-demuxer=NAME   disable demuxer NAME
130   --enable-demuxer=NAME    enable demuxer NAME
131   --disable-demuxers       disable all demuxers
132   --enable-parser=NAME     enable parser NAME
133   --disable-parser=NAME    disable parser NAME
134   --disable-parsers        disable all parsers
135   --enable-bsf=NAME        enable bitstream filter NAME
136   --disable-bsf=NAME       disable bitstream filter NAME
137   --disable-bsfs           disable all bitstream filters
138   --enable-protocol=NAME   enable protocol NAME
139   --disable-protocol=NAME  disable protocol NAME
140   --disable-protocols      disable all protocols
141   --disable-indev=NAME     disable input device NAME
142   --disable-outdev=NAME    disable output device NAME
143   --disable-indevs         disable input devices
144   --disable-outdevs        disable output devices
145   --disable-devices        disable all devices
146   --enable-filter=NAME     enable filter NAME
147   --disable-filter=NAME    disable filter NAME
148   --disable-filters        disable all filters
149   --list-decoders          show all available decoders
150   --list-encoders          show all available encoders
151   --list-hwaccels          show all available hardware accelerators
152   --list-muxers            show all available muxers
153   --list-demuxers          show all available demuxers
154   --list-parsers           show all available parsers
155   --list-protocols         show all available protocols
156   --list-bsfs              show all available bitstream filters
157   --list-indevs            show all available input devices
158   --list-outdevs           show all available output devices
159   --list-filters           show all available filters
160
161 External library support:
162   --enable-avisynth        enable reading of AVISynth script files [no]
163   --enable-bzlib           enable bzlib [autodetect]
164   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
165   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
166   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
167                            and libraw1394 [no]
168   --enable-libdirac        enable Dirac support via libdirac [no]
169   --enable-libfaac         enable FAAC support via libfaac [no]
170   --enable-libgsm          enable GSM support via libgsm [no]
171   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
172   --enable-libnut          enable NUT (de)muxing via libnut,
173                            native (de)muxer exists [no]
174   --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]
175   --enable-librtmp         enable RTMP[E] support via librtmp [no]
176   --enable-libschroedinger enable Dirac support via libschroedinger [no]
177   --enable-libspeex        enable Speex decoding via libspeex [no]
178   --enable-libtheora       enable Theora encoding via libtheora [no]
179   --enable-libvorbis       enable Vorbis encoding via libvorbis,
180                            native implementation exists [no]
181   --enable-libvpx          enable VP8 support via libvpx [no]
182   --enable-libx264         enable H.264 encoding via x264 [no]
183   --enable-libxvid         enable Xvid encoding via xvidcore,
184                            native MPEG-4/Xvid encoder exists [no]
185   --enable-mlib            enable Sun medialib [no]
186   --enable-zlib            enable zlib [autodetect]
187
188 Advanced options (experts only):
189   --source-path=PATH       path to source code [$source_path]
190   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
191   --enable-cross-compile   assume a cross-compiler is used
192   --sysroot=PATH           root of cross-build tree
193   --sysinclude=PATH        location of cross-build system headers
194   --target-os=OS           compiler targets OS [$target_os]
195   --target-exec=CMD        command to run executables on target
196   --target-path=DIR        path to view of build directory on target
197   --nm=NM                  use nm tool
198   --ar=AR                  use archive tool AR [$ar_default]
199   --as=AS                  use assembler AS [$as_default]
200   --cc=CC                  use C compiler CC [$cc_default]
201   --ld=LD                  use linker LD
202   --host-cc=HOSTCC         use host C compiler HOSTCC
203   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
204   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
205   --host-libs=HLIBS        use libs HLIBS when linking for host
206   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
207   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
208   --extra-libs=ELIBS       add ELIBS [$ELIBS]
209   --extra-version=STRING   version string suffix []
210   --build-suffix=SUFFIX    library name suffix []
211   --arch=ARCH              select architecture [$arch]
212   --cpu=CPU                select the minimum required CPU (affects
213                            instruction selection, may crash on older CPUs)
214   --disable-asm            disable all assembler optimizations
215   --disable-altivec        disable AltiVec optimizations
216   --disable-amd3dnow       disable 3DNow! optimizations
217   --disable-amd3dnowext    disable 3DNow! extended optimizations
218   --disable-mmx            disable MMX optimizations
219   --disable-mmx2           disable MMX2 optimizations
220   --disable-sse            disable SSE optimizations
221   --disable-ssse3          disable SSSE3 optimizations
222   --disable-armv5te        disable armv5te optimizations
223   --disable-armv6          disable armv6 optimizations
224   --disable-armv6t2        disable armv6t2 optimizations
225   --disable-armvfp         disable ARM VFP optimizations
226   --disable-iwmmxt         disable iwmmxt optimizations
227   --disable-mmi            disable MMI optimizations
228   --disable-neon           disable neon optimizations
229   --disable-vis            disable VIS optimizations
230   --disable-yasm           disable use of yasm assembler
231   --enable-pic             build position-independent code
232   --malloc-prefix=PFX      prefix malloc and related names with PFX
233   --enable-sram            allow use of on-chip SRAM
234
235 Developer options (useful when working on FFmpeg itself):
236   --disable-debug          disable debugging symbols
237   --enable-debug=LEVEL     set the debug level [$debuglevel]
238   --disable-optimizations  disable compiler optimizations
239   --enable-extra-warnings  enable more compiler warnings
240   --disable-stripping      disable stripping of executables and shared libraries
241   --samples=PATH           location of test samples for FATE
242
243 NOTE: Object files are built at the place where configure is launched.
244 EOF
245   exit 0
246 }
247
248 quotes='""'
249
250 log(){
251     echo "$@" >> $logfile
252 }
253
254 log_file(){
255     log BEGIN $1
256     pr -n -t $1 >> $logfile
257     log END $1
258 }
259
260 echolog(){
261     log "$@"
262     echo "$@"
263 }
264
265 warn(){
266     log "WARNING: $*"
267     WARNINGS="${WARNINGS}WARNING: $*\n"
268 }
269
270 die(){
271     echolog "$@"
272     cat <<EOF
273
274 If you think configure made a mistake, make sure you are using the latest
275 version from SVN.  If the latest version fails, report the problem to the
276 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
277 EOF
278     if disabled logging; then
279         cat <<EOF
280 Rerun configure with logging enabled (do not use --disable-logging), and
281 include the log this produces with your report.
282 EOF
283     else
284 cat <<EOF
285 Include the log file "$logfile" produced by configure as this will help
286 solving the problem.
287 EOF
288     fi
289     exit 1
290 }
291
292 # Avoid locale weirdness, besides we really just want to translate ASCII.
293 toupper(){
294     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
295 }
296
297 tolower(){
298     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
299 }
300
301 c_escape(){
302     echo "$*" | sed 's/["\\]/\\\0/g'
303 }
304
305 sh_quote(){
306     v=$(echo "$1" | sed "s/'/'\\\\''/g")
307     test "x$v" = "x${v#*[^A-Za-z0-9_/.+-]}" || v="'$v'"
308     echo "$v"
309 }
310
311 filter(){
312     pat=$1
313     shift
314     for v; do
315         eval "case $v in $pat) echo $v ;; esac"
316     done
317 }
318
319 map(){
320     m=$1
321     shift
322     for v; do eval $m; done
323 }
324
325 set_all(){
326     value=$1
327     shift
328     for var in $*; do
329         eval $var=$value
330     done
331 }
332
333 set_weak(){
334     value=$1
335     shift
336     for var; do
337         eval : \${$var:=$value}
338     done
339 }
340
341 pushvar(){
342     for var in $*; do
343         eval level=\${${var}_level:=0}
344         eval ${var}_${level}="\$$var"
345         eval ${var}_level=$(($level+1))
346     done
347 }
348
349 popvar(){
350     for var in $*; do
351         eval level=\${${var}_level:-0}
352         test $level = 0 && continue
353         eval level=$(($level-1))
354         eval $var="\${${var}_${level}}"
355         eval ${var}_level=$level
356         eval unset ${var}_${level}
357     done
358 }
359
360 enable(){
361     set_all yes $*
362 }
363
364 disable(){
365     set_all no $*
366 }
367
368 enable_weak(){
369     set_weak yes $*
370 }
371
372 disable_weak(){
373     set_weak no $*
374 }
375
376 enable_safe(){
377     for var; do
378         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
379     done
380 }
381
382 disable_safe(){
383     for var; do
384         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
385     done
386 }
387
388 do_enable_deep(){
389     for var; do
390         enabled $var && continue
391         eval sel="\$${var}_select"
392         eval sgs="\$${var}_suggest"
393         pushvar var sgs
394         enable_deep $sel
395         popvar sgs
396         enable_deep_weak $sgs
397         popvar var
398     done
399 }
400
401 enable_deep(){
402     do_enable_deep $*
403     enable $*
404 }
405
406 enable_deep_weak(){
407     do_enable_deep $*
408     enable_weak $*
409 }
410
411 enabled(){
412     test "${1#!}" = "$1" && op== || op=!=
413     eval test "x\$${1#!}" $op "xyes"
414 }
415
416 disabled(){
417     test "${1#!}" = "$1" && op== || op=!=
418     eval test "x\$${1#!}" $op "xno"
419 }
420
421 enabled_all(){
422     for opt; do
423         enabled $opt || return 1
424     done
425 }
426
427 disabled_all(){
428     for opt; do
429         disabled $opt || return 1
430     done
431 }
432
433 enabled_any(){
434     for opt; do
435         enabled $opt && return 0
436     done
437 }
438
439 disabled_any(){
440     for opt; do
441         disabled $opt && return 0
442     done
443     return 1
444 }
445
446 set_default(){
447     for opt; do
448         eval : \${$opt:=\$${opt}_default}
449     done
450 }
451
452 is_in(){
453     value=$1
454     shift
455     for var in $*; do
456         [ $var = $value ] && return 0
457     done
458     return 1
459 }
460
461 check_deps(){
462     for cfg; do
463         cfg="${cfg#!}"
464         enabled ${cfg}_checking && die "Circular dependency for $cfg."
465         disabled ${cfg}_checking && continue
466         enable ${cfg}_checking
467
468         eval dep_all="\$${cfg}_deps"
469         eval dep_any="\$${cfg}_deps_any"
470         eval dep_sel="\$${cfg}_select"
471         eval dep_sgs="\$${cfg}_suggest"
472         eval dep_ifa="\$${cfg}_if"
473         eval dep_ifn="\$${cfg}_if_any"
474
475         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
476         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
477         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
478
479         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
480         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
481         enabled_all  $dep_all || disable $cfg
482         enabled_any  $dep_any || disable $cfg
483         disabled_any $dep_sel && disable $cfg
484
485         if enabled $cfg; then
486             eval dep_extralibs="\$${cfg}_extralibs"
487             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
488             enable_deep $dep_sel
489             enable_deep_weak $dep_sgs
490         fi
491
492         disable ${cfg}_checking
493     done
494 }
495
496 print_config(){
497     pfx=$1
498     header=$2
499     makefile=$3
500     shift 3
501     for cfg; do
502         ucname="$(toupper $cfg)"
503         if enabled $cfg; then
504             echo "#define ${pfx}${ucname} 1" >> $header
505             echo "${pfx}${ucname}=yes" >> $makefile
506         else
507             echo "#define ${pfx}${ucname} 0" >> $header
508             echo "!${pfx}${ucname}=yes" >> $makefile
509         fi
510     done
511 }
512
513 print_enabled(){
514     test "$1" = -n && end=" " && shift || end="\n"
515     suf=$1
516     shift
517     for v; do
518         enabled $v && printf "%s$end" ${v%$suf};
519     done
520 }
521
522 append(){
523     var=$1
524     shift
525     eval "$var=\"\$$var $*\""
526 }
527
528 prepend(){
529     var=$1
530     shift
531     eval "$var=\"$* \$$var\""
532 }
533
534 add_cppflags(){
535     append CPPFLAGS $($filter_cppflags "$@")
536 }
537
538 add_cflags(){
539     append CFLAGS $($filter_cflags "$@")
540 }
541
542 add_asflags(){
543     append ASFLAGS $($filter_asflags "$@")
544 }
545
546 add_ldflags(){
547     append LDFLAGS "$@"
548 }
549
550 add_extralibs(){
551     prepend extralibs "$@"
552 }
553
554 check_cmd(){
555     log "$@"
556     "$@" >> $logfile 2>&1
557 }
558
559 check_cc(){
560     log check_cc "$@"
561     cat > $TMPC
562     log_file $TMPC
563     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
564 }
565
566 check_cpp(){
567     log check_cpp "$@"
568     cat > $TMPC
569     log_file $TMPC
570     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
571 }
572
573 check_as(){
574     log check_as "$@"
575     cat > $TMPC
576     log_file $TMPC
577     check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
578 }
579
580 check_asm(){
581     log check_asm "$@"
582     name="$1"
583     code="$2"
584     shift 2
585     disable $name
586     check_as "$@" <<EOF && enable $name
587 void foo(void){ __asm__ volatile($code); }
588 EOF
589 }
590
591 check_yasm(){
592     log check_yasm "$@"
593     echo "$1" > $TMPS
594     log_file $TMPS
595     shift 1
596     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
597 }
598
599 check_ld(){
600     log check_ld "$@"
601     flags=''
602     libs=''
603     for f; do
604         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
605     done
606     check_cc $($filter_cflags $flags) || return
607     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
608 }
609
610 check_cppflags(){
611     log check_cppflags "$@"
612     set -- $($filter_cppflags "$@")
613     check_cc "$@" <<EOF && append CPPFLAGS "$@"
614 int x;
615 EOF
616 }
617
618 check_cflags(){
619     log check_cflags "$@"
620     set -- $($filter_cflags "$@")
621     check_cc "$@" <<EOF && append CFLAGS "$@"
622 int x;
623 EOF
624 }
625
626 test_ldflags(){
627     log test_ldflags "$@"
628     check_ld "$@" <<EOF
629 int main(void){ return 0; }
630 EOF
631 }
632
633 check_ldflags(){
634     log check_ldflags "$@"
635     test_ldflags "$@" && add_ldflags "$@"
636 }
637
638 check_header(){
639     log check_header "$@"
640     header=$1
641     shift
642     disable_safe $header
643     check_cpp "$@" <<EOF && enable_safe $header
644 #include <$header>
645 int x;
646 EOF
647 }
648
649 check_func(){
650     log check_func "$@"
651     func=$1
652     shift
653     disable $func
654     check_ld "$@" <<EOF && enable $func
655 extern int $func();
656 int main(void){ $func(); }
657 EOF
658 }
659
660 check_mathfunc(){
661     log check_mathfunc "$@"
662     func=$1
663     shift
664     disable $func
665     check_ld "$@" <<EOF && enable $func
666 #include <math.h>
667 float foo(float f) { return $func(f); }
668 int main(void){ return 0; }
669 EOF
670 }
671
672 check_func_headers(){
673     log check_func_headers "$@"
674     headers=$1
675     func=$2
676     shift 2
677     disable $func
678     incs=""
679     for hdr in $headers; do
680         incs="$incs
681 #include <$hdr>"
682     done
683     check_ld "$@" <<EOF && enable $func && enable_safe $headers
684 $incs
685 int main(int argc, char **argv){
686     return (long) $func;
687 }
688 EOF
689 }
690
691 check_cpp_condition(){
692     log check_cpp_condition "$@"
693     header=$1
694     condition=$2
695     shift 2
696     check_cpp $($filter_cppflags "$@") <<EOF
697 #include <$header>
698 #if !($condition)
699 #error "unsatisfied condition: $condition"
700 #endif
701 EOF
702 }
703
704 check_lib(){
705     log check_lib "$@"
706     header="$1"
707     func="$2"
708     shift 2
709     check_header $header && check_func $func "$@" && add_extralibs "$@"
710 }
711
712 check_lib2(){
713     log check_lib2 "$@"
714     headers="$1"
715     func="$2"
716     shift 2
717     check_func_headers "$headers" $func "$@" && add_extralibs "$@"
718 }
719
720 check_exec(){
721     check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
722 }
723
724 check_exec_crash(){
725     code=$(cat)
726
727     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
728     # are safe but may not be available everywhere.  Thus we use
729     # raise(SIGTERM) instead.  The check is run in a subshell so we
730     # can redirect the "Terminated" message from the shell.  SIGBUS
731     # is not defined by standard C so it is used conditionally.
732
733     (check_exec "$@") >> $logfile 2>&1 <<EOF
734 #include <signal.h>
735 static void sighandler(int sig){
736     raise(SIGTERM);
737 }
738 int main(void){
739     signal(SIGILL, sighandler);
740     signal(SIGFPE, sighandler);
741     signal(SIGSEGV, sighandler);
742 #ifdef SIGBUS
743     signal(SIGBUS, sighandler);
744 #endif
745     { $code }
746 }
747 EOF
748 }
749
750 check_type(){
751     log check_type "$@"
752     headers=$1
753     type=$2
754     shift 2
755     disable_safe "$type"
756     incs=""
757     for hdr in $headers; do
758         incs="$incs
759 #include <$hdr>"
760     done
761     check_cc "$@" <<EOF && enable_safe "$type"
762 $incs
763 $type v;
764 EOF
765 }
766
767 check_struct(){
768     log check_type "$@"
769     headers=$1
770     struct=$2
771     member=$3
772     shift 3
773     disable_safe "${struct}_${member}"
774     incs=""
775     for hdr in $headers; do
776         incs="$incs
777 #include <$hdr>"
778     done
779     check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
780 $incs
781 const void *p = &(($struct *)0)->$member;
782 EOF
783 }
784
785 require(){
786     name="$1"
787     header="$2"
788     func="$3"
789     shift 3
790     check_lib $header $func "$@" || die "ERROR: $name not found"
791 }
792
793 require2(){
794     name="$1"
795     headers="$2"
796     func="$3"
797     shift 3
798     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
799 }
800
801 check_host_cc(){
802     log check_host_cc "$@"
803     cat > $TMPC
804     log_file $TMPC
805     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
806 }
807
808 check_host_cflags(){
809     log check_host_cflags "$@"
810     check_host_cc "$@" <<EOF && append host_cflags "$@"
811 int x;
812 EOF
813 }
814
815 apply(){
816     file=$1
817     shift
818     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
819 }
820
821 cp_if_changed(){
822     cmp -s "$1" "$2" &&
823         echo "$2 is unchanged" ||
824         cp -f "$1" "$2"
825 }
826
827 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
828 # system-dependent things.
829
830 COMPONENT_LIST="
831     bsfs
832     decoders
833     demuxers
834     encoders
835     filters
836     hwaccels
837     indevs
838     muxers
839     outdevs
840     parsers
841     protocols
842 "
843
844 CONFIG_LIST="
845     $COMPONENT_LIST
846     aandct
847     avcodec
848     avdevice
849     avfilter
850     avfilter_lavf
851     avformat
852     avisynth
853     bzlib
854     dct
855     doc
856     dwt
857     dxva2
858     fastdiv
859     ffmpeg
860     ffplay
861     ffprobe
862     ffserver
863     fft
864     golomb
865     gpl
866     gray
867     h264dsp
868     hardcoded_tables
869     libdc1394
870     libdirac
871     libfaac
872     libgsm
873     libmp3lame
874     libnut
875     libopencore_amrnb
876     libopencore_amrwb
877     libopenjpeg
878     librtmp
879     libschroedinger
880     libspeex
881     libtheora
882     libvorbis
883     libvpx
884     libx264
885     libxvid
886     lpc
887     lsp
888     mdct
889     memalign_hack
890     mlib
891     mpegaudio_hp
892     network
893     nonfree
894     pic
895     postproc
896     rdft
897     runtime_cpudetect
898     shared
899     small
900     sram
901     static
902     swscale
903     swscale_alpha
904     vaapi
905     vdpau
906     version3
907     x11grab
908     zlib
909 "
910
911 THREADS_LIST='
912     pthreads
913     w32threads
914 '
915
916 ARCH_LIST='
917     alpha
918     arm
919     avr32
920     avr32_ap
921     avr32_uc
922     bfin
923     ia64
924     m68k
925     mips
926     mips64
927     parisc
928     ppc
929     ppc64
930     s390
931     sh4
932     sparc
933     sparc64
934     tomi
935     x86
936     x86_32
937     x86_64
938 '
939
940 ARCH_EXT_LIST='
941     altivec
942     amd3dnow
943     amd3dnowext
944     armv5te
945     armv6
946     armv6t2
947     armvfp
948     iwmmxt
949     mmi
950     mmx
951     mmx2
952     neon
953     ppc4xx
954     sse
955     ssse3
956     vis
957 '
958
959 HAVE_LIST_PUB='
960     bigendian
961     fast_unaligned
962 '
963
964 HAVE_LIST="
965     $ARCH_EXT_LIST
966     $HAVE_LIST_PUB
967     $THREADS_LIST
968     alsa_asoundlib_h
969     altivec_h
970     arpa_inet_h
971     attribute_may_alias
972     attribute_packed
973     bswap
974     closesocket
975     cmov
976     conio_h
977     dcbzl
978     dev_bktr_ioctl_bt848_h
979     dev_bktr_ioctl_meteor_h
980     dev_ic_bt8xx_h
981     dev_video_meteor_ioctl_meteor_h
982     dev_video_bktr_ioctl_bt848_h
983     dlfcn_h
984     dlopen
985     dos_paths
986     ebp_available
987     ebx_available
988     exp2
989     exp2f
990     fast_64bit
991     fast_clz
992     fast_cmov
993     fcntl
994     fork
995     getaddrinfo
996     gethrtime
997     GetProcessMemoryInfo
998     GetProcessTimes
999     getrusage
1000     gnu_as
1001     struct_rusage_ru_maxrss
1002     ibm_asm
1003     inet_aton
1004     inline_asm
1005     isatty
1006     ldbrx
1007     libdc1394_1
1008     libdc1394_2
1009     llrint
1010     llrintf
1011     local_aligned_16
1012     local_aligned_8
1013     log2
1014     log2f
1015     loongson
1016     lrint
1017     lrintf
1018     lzo1x_999_compress
1019     machine_ioctl_bt848_h
1020     machine_ioctl_meteor_h
1021     malloc_h
1022     memalign
1023     mkstemp
1024     pld
1025     posix_memalign
1026     round
1027     roundf
1028     sdl
1029     sdl_video_size
1030     setmode
1031     socklen_t
1032     soundcard_h
1033     poll_h
1034     setrlimit
1035     strerror_r
1036     struct_addrinfo
1037     struct_ipv6_mreq
1038     struct_sockaddr_in6
1039     struct_sockaddr_sa_len
1040     struct_sockaddr_storage
1041     symver
1042     symver_gnu_asm
1043     symver_asm_label
1044     sys_mman_h
1045     sys_resource_h
1046     sys_select_h
1047     sys_soundcard_h
1048     sys_videoio_h
1049     ten_operands
1050     termios_h
1051     threads
1052     truncf
1053     vfp_args
1054     VirtualAlloc
1055     winsock2_h
1056     xform_asm
1057     yasm
1058 "
1059
1060 # options emitted with CONFIG_ prefix but not available on command line
1061 CONFIG_EXTRA="
1062     avutil
1063     gplv3
1064     lgplv3
1065 "
1066
1067 CMDLINE_SELECT="
1068     $ARCH_EXT_LIST
1069     $CONFIG_LIST
1070     $THREADS_LIST
1071     asm
1072     cross_compile
1073     debug
1074     extra_warnings
1075     logging
1076     optimizations
1077     stripping
1078     yasm
1079 "
1080
1081 PATHS_LIST='
1082     bindir
1083     datadir
1084     incdir
1085     libdir
1086     mandir
1087     prefix
1088     shlibdir
1089 '
1090
1091 CMDLINE_SET="
1092     $PATHS_LIST
1093     ar
1094     arch
1095     as
1096     build_suffix
1097     cc
1098     cpu
1099     cross_prefix
1100     dep_cc
1101     extra_version
1102     host_cc
1103     host_cflags
1104     host_ldflags
1105     host_libs
1106     host_os
1107     ld
1108     logfile
1109     malloc_prefix
1110     nm
1111     samples
1112     source_path
1113     strip
1114     sysinclude
1115     sysroot
1116     target_exec
1117     target_os
1118     target_path
1119 "
1120
1121 CMDLINE_APPEND="
1122     extra_cflags
1123 "
1124
1125 # code dependency declarations
1126
1127 # architecture extensions
1128
1129 armv5te_deps="arm"
1130 armv6_deps="arm"
1131 armv6t2_deps="arm"
1132 armvfp_deps="arm"
1133 iwmmxt_deps="arm"
1134 neon_deps="arm"
1135
1136 mmi_deps="mips"
1137
1138 altivec_deps="ppc"
1139 ppc4xx_deps="ppc"
1140
1141 vis_deps="sparc"
1142
1143 x86_64_suggest="cmov fast_cmov"
1144 amd3dnow_deps="mmx"
1145 amd3dnowext_deps="amd3dnow"
1146 mmx_deps="x86"
1147 mmx2_deps="mmx"
1148 sse_deps="mmx"
1149 ssse3_deps="sse"
1150
1151 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1152 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1153 fast_unaligned_if_any="armv6 ppc x86"
1154
1155 need_memalign="altivec neon sse"
1156 inline_asm_deps="!tms470"
1157
1158 symver_if_any="symver_asm_label symver_gnu_asm"
1159
1160 # subsystems
1161 dct_select="rdft"
1162 mdct_select="fft"
1163 rdft_select="fft"
1164
1165 # decoders / encoders / hardware accelerators
1166 aac_decoder_select="mdct rdft"
1167 aac_encoder_select="mdct"
1168 ac3_decoder_select="mdct ac3_parser"
1169 alac_encoder_select="lpc"
1170 amrnb_decoder_select="lsp"
1171 atrac1_decoder_select="mdct"
1172 atrac3_decoder_select="mdct"
1173 binkaudio_dct_decoder_select="mdct rdft dct"
1174 binkaudio_rdft_decoder_select="mdct rdft"
1175 cavs_decoder_select="golomb"
1176 cook_decoder_select="mdct"
1177 cscd_decoder_suggest="zlib"
1178 dca_decoder_select="mdct"
1179 dnxhd_encoder_select="aandct"
1180 dxa_decoder_select="zlib"
1181 eac3_decoder_select="ac3_decoder"
1182 eamad_decoder_select="aandct"
1183 eatgq_decoder_select="aandct"
1184 eatqi_decoder_select="aandct"
1185 ffv1_decoder_select="golomb"
1186 flac_decoder_select="golomb"
1187 flac_encoder_select="golomb lpc"
1188 flashsv_decoder_select="zlib"
1189 flashsv_encoder_select="zlib"
1190 flv_decoder_select="h263_decoder"
1191 flv_encoder_select="h263_encoder"
1192 h261_encoder_select="aandct"
1193 h263_decoder_select="h263_parser"
1194 h263_encoder_select="aandct"
1195 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1196 h263i_decoder_select="h263_decoder"
1197 h263p_encoder_select="h263_encoder"
1198 h264_decoder_select="golomb h264dsp"
1199 h264_dxva2_hwaccel_deps="dxva2api_h"
1200 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1201 h264_vaapi_hwaccel_select="vaapi"
1202 h264_vdpau_decoder_select="vdpau h264_decoder"
1203 imc_decoder_select="fft mdct"
1204 jpegls_decoder_select="golomb"
1205 jpegls_encoder_select="golomb"
1206 ljpeg_encoder_select="aandct"
1207 loco_decoder_select="golomb"
1208 mjpeg_encoder_select="aandct"
1209 mlp_decoder_select="mlp_parser"
1210 mp1float_decoder_select="dct"
1211 mp2float_decoder_select="dct"
1212 mp3adufloat_decoder_select="dct"
1213 mp3float_decoder_select="dct"
1214 mp3on4float_decoder_select="dct"
1215 mpeg1video_encoder_select="aandct"
1216 mpeg2video_encoder_select="aandct"
1217 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1218 mpeg4_encoder_select="h263_encoder"
1219 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1220 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1221 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1222 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1223 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1224 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1225 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1226 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1227 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1228 msmpeg4v1_decoder_select="h263_decoder"
1229 msmpeg4v1_encoder_select="h263_encoder"
1230 msmpeg4v2_decoder_select="h263_decoder"
1231 msmpeg4v2_encoder_select="h263_encoder"
1232 msmpeg4v3_decoder_select="h263_decoder"
1233 msmpeg4v3_encoder_select="h263_encoder"
1234 nellymoser_decoder_select="mdct"
1235 nellymoser_encoder_select="mdct"
1236 png_decoder_select="zlib"
1237 png_encoder_select="zlib"
1238 qcelp_decoder_select="lsp"
1239 qdm2_decoder_select="mdct rdft"
1240 ra_144_encoder_select="lpc"
1241 rv10_decoder_select="h263_decoder"
1242 rv10_encoder_select="h263_encoder"
1243 rv20_decoder_select="h263_decoder"
1244 rv20_encoder_select="h263_encoder"
1245 rv30_decoder_select="golomb h264dsp"
1246 rv40_decoder_select="golomb h264dsp"
1247 shorten_decoder_select="golomb"
1248 sipr_decoder_select="lsp"
1249 snow_decoder_select="dwt"
1250 snow_encoder_select="aandct dwt"
1251 sonic_decoder_select="golomb"
1252 sonic_encoder_select="golomb"
1253 sonic_ls_encoder_select="golomb"
1254 svq1_encoder_select="aandct"
1255 svq3_decoder_select="golomb h264dsp"
1256 svq3_decoder_suggest="zlib"
1257 theora_decoder_select="vp3_decoder"
1258 tiff_decoder_suggest="zlib"
1259 tiff_encoder_suggest="zlib"
1260 truehd_decoder_select="mlp_decoder"
1261 tscc_decoder_select="zlib"
1262 twinvq_decoder_select="mdct lsp"
1263 vc1_decoder_select="h263_decoder"
1264 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1265 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1266 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1267 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1268 vorbis_decoder_select="mdct"
1269 vorbis_encoder_select="mdct"
1270 vp6a_decoder_select="vp6_decoder"
1271 vp6f_decoder_select="vp6_decoder"
1272 vp8_decoder_select="h264dsp"
1273 wmapro_decoder_select="mdct"
1274 wmav1_decoder_select="mdct"
1275 wmav1_encoder_select="mdct"
1276 wmav2_decoder_select="mdct"
1277 wmav2_encoder_select="mdct"
1278 wmavoice_decoder_select="lsp rdft dct mdct"
1279 wmv1_decoder_select="h263_decoder"
1280 wmv1_encoder_select="h263_encoder"
1281 wmv2_decoder_select="h263_decoder"
1282 wmv2_encoder_select="h263_encoder"
1283 wmv3_decoder_select="vc1_decoder"
1284 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1285 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1286 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1287 zlib_decoder_select="zlib"
1288 zlib_encoder_select="zlib"
1289 zmbv_decoder_select="zlib"
1290 zmbv_encoder_select="zlib"
1291
1292 vaapi_deps="va_va_h"
1293 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1294
1295 # parsers
1296 h264_parser_select="golomb h264dsp"
1297
1298 # external libraries
1299 libdirac_decoder_deps="libdirac !libschroedinger"
1300 libdirac_encoder_deps="libdirac"
1301 libfaac_encoder_deps="libfaac"
1302 libgsm_decoder_deps="libgsm"
1303 libgsm_encoder_deps="libgsm"
1304 libgsm_ms_decoder_deps="libgsm"
1305 libgsm_ms_encoder_deps="libgsm"
1306 libmp3lame_encoder_deps="libmp3lame"
1307 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1308 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1309 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1310 libopenjpeg_decoder_deps="libopenjpeg"
1311 libschroedinger_decoder_deps="libschroedinger"
1312 libschroedinger_encoder_deps="libschroedinger"
1313 libspeex_decoder_deps="libspeex"
1314 libtheora_encoder_deps="libtheora"
1315 libvorbis_encoder_deps="libvorbis"
1316 libvpx_decoder_deps="libvpx"
1317 libvpx_encoder_deps="libvpx"
1318 libx264_encoder_deps="libx264"
1319 libxvid_encoder_deps="libxvid"
1320
1321 # demuxers / muxers
1322 ac3_demuxer_deps="ac3_parser"
1323 asf_stream_muxer_select="asf_muxer"
1324 avisynth_demuxer_deps="avisynth"
1325 dirac_demuxer_deps="dirac_parser"
1326 eac3_demuxer_select="ac3_parser"
1327 ipod_muxer_select="mov_muxer"
1328 libnut_demuxer_deps="libnut"
1329 libnut_muxer_deps="libnut"
1330 matroska_audio_muxer_select="matroska_muxer"
1331 matroska_demuxer_suggest="zlib bzlib"
1332 mov_demuxer_suggest="zlib"
1333 mp3_demuxer_deps="mpegaudio_parser"
1334 mp4_muxer_select="mov_muxer"
1335 mpegtsraw_demuxer_select="mpegts_demuxer"
1336 mxf_d10_muxer_select="mxf_muxer"
1337 ogg_demuxer_select="golomb"
1338 psp_muxer_select="mov_muxer"
1339 rtsp_demuxer_deps="sdp_demuxer"
1340 rtsp_muxer_deps="sdp_demuxer"
1341 rtsp_muxer_select="rtp_muxer"
1342 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1343 sdp_demuxer_select="asf_demuxer rm_demuxer"
1344 spdif_muxer_select="aac_parser"
1345 tg2_muxer_select="mov_muxer"
1346 tgp_muxer_select="mov_muxer"
1347 w64_demuxer_deps="wav_demuxer"
1348
1349 # indevs / outdevs
1350 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1351 alsa_indev_extralibs="-lasound"
1352 alsa_outdev_deps="alsa_asoundlib_h"
1353 alsa_outdev_extralibs="-lasound"
1354 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1355 dv1394_indev_deps="dv1394 dv_demuxer"
1356 jack_indev_deps="jack_jack_h"
1357 jack_indev_extralibs="-ljack"
1358 libdc1394_indev_deps="libdc1394"
1359 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1360 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1361 v4l_indev_deps="linux_videodev_h"
1362 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1363 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1364 vfwcap_indev_extralibs="-lavicap32"
1365 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1366 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1367
1368 # protocols
1369 gopher_protocol_deps="network"
1370 http_protocol_deps="network"
1371 http_protocol_select="tcp_protocol"
1372 mmst_protocol_deps="network"
1373 rtmp_protocol_select="tcp_protocol"
1374 rtp_protocol_select="udp_protocol"
1375 tcp_protocol_deps="network"
1376 udp_protocol_deps="network"
1377
1378 # filters
1379 movie_filter_deps="avfilter_lavf"
1380 avfilter_lavf_deps="avformat"
1381
1382 # libraries
1383 avdevice_deps="avcodec avformat"
1384 avformat_deps="avcodec"
1385
1386 # programs
1387 ffmpeg_deps="avcodec avformat swscale"
1388 ffmpeg_select="buffer_filter"
1389 ffplay_deps="avcodec avformat swscale sdl"
1390 ffplay_select="rdft"
1391 ffprobe_deps="avcodec avformat"
1392 ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1393 ffserver_extralibs='$ldl'
1394
1395 doc_deps="texi2html"
1396
1397 # tests
1398
1399 test_deps(){
1400     suf1=$1
1401     suf2=$2
1402     shift 2
1403     for v; do
1404         dep=${v%=*}
1405         tests=${v#*=}
1406         for name in ${tests}; do
1407             eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1408         done
1409     done
1410 }
1411
1412 test_deps _encoder _decoder                                             \
1413     ac3                                                                 \
1414     adpcm_g726=g726                                                     \
1415     adpcm_ima_qt                                                        \
1416     adpcm_ima_wav                                                       \
1417     adpcm_ms                                                            \
1418     adpcm_swf                                                           \
1419     adpcm_yamaha=adpcm_yam                                              \
1420     alac                                                                \
1421     asv1                                                                \
1422     asv2                                                                \
1423     bmp                                                                 \
1424     dnxhd="hdxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1425     dvvideo="dv dv50"                                                   \
1426     ffv1                                                                \
1427     flac                                                                \
1428     flashsv                                                             \
1429     flv                                                                 \
1430     gif                                                                 \
1431     h261                                                                \
1432     h263="h263 h263p"                                                   \
1433     huffyuv                                                             \
1434     jpegls                                                              \
1435     mjpeg="jpg mjpeg ljpeg"                                             \
1436     mp2                                                                 \
1437     mpeg1video="mpeg mpeg1b"                                            \
1438     mpeg2video="mpeg2 mpeg2thread"                                      \
1439     mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc"                 \
1440     msmpeg4v3=msmpeg4                                                   \
1441     msmpeg4v2                                                           \
1442     pbm=pbmpipe                                                         \
1443     pcx                                                                 \
1444     pgm="pgm pgmpipe"                                                   \
1445     ppm="ppm ppmpipe"                                                   \
1446     rawvideo="rgb yuv"                                                  \
1447     roq                                                                 \
1448     rv10                                                                \
1449     rv20                                                                \
1450     sgi                                                                 \
1451     snow="snow snowll"                                                  \
1452     svq1                                                                \
1453     targa=tga                                                           \
1454     tiff                                                                \
1455     wmav1                                                               \
1456     wmav2                                                               \
1457     wmv1                                                                \
1458     wmv2                                                                \
1459
1460 test_deps _muxer _demuxer                                               \
1461     aiff                                                                \
1462     pcm_alaw=alaw                                                       \
1463     asf                                                                 \
1464     au                                                                  \
1465     avi                                                                 \
1466     dv=dv_fmt                                                           \
1467     ffm                                                                 \
1468     flv=flv_fmt                                                         \
1469     gxf                                                                 \
1470     matroska=mkv                                                        \
1471     mmf                                                                 \
1472     mov                                                                 \
1473     pcm_mulaw=mulaw                                                     \
1474     mxf                                                                 \
1475     nut                                                                 \
1476     ogg                                                                 \
1477     rawvideo=pixfmt                                                     \
1478     rm                                                                  \
1479     swf                                                                 \
1480     mpegts=ts                                                           \
1481     voc                                                                 \
1482     wav                                                                 \
1483     yuv4mpegpipe=yuv4mpeg                                               \
1484
1485 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1486 pixdesc_be_test_deps="bigendian"
1487 pixdesc_le_test_deps="!bigendian"
1488
1489 # default parameters
1490
1491 logfile="config.log"
1492
1493 # installation paths
1494 prefix_default="/usr/local"
1495 bindir_default='${prefix}/bin'
1496 datadir_default='${prefix}/share/ffmpeg'
1497 incdir_default='${prefix}/include'
1498 libdir_default='${prefix}/lib'
1499 mandir_default='${prefix}/share/man'
1500 shlibdir_default="$libdir_default"
1501
1502 # toolchain
1503 ar_default="ar"
1504 cc_default="gcc"
1505 cc_version=\"unknown\"
1506 host_cc_default="gcc"
1507 ln_s="ln -sf"
1508 nm_default="nm"
1509 objformat="elf"
1510 ranlib="ranlib"
1511 strip_default="strip"
1512 yasmexe="yasm"
1513 nogas=":"
1514
1515 nm_opts='-g'
1516
1517 # machine
1518 arch_default=$(uname -m)
1519 cpu="generic"
1520
1521 # OS
1522 target_os_default=$(tolower $(uname -s))
1523 host_os=$target_os_default
1524
1525 # configurable options
1526 enable avcodec
1527 enable avdevice
1528 enable avfilter
1529 enable avformat
1530 enable avutil
1531 enable asm
1532 enable debug
1533 enable doc
1534 enable fastdiv
1535 enable ffmpeg
1536 enable ffplay
1537 enable ffprobe
1538 enable ffserver
1539 enable mpegaudio_hp
1540 enable network
1541 enable optimizations
1542 enable protocols
1543 enable static
1544 enable stripping
1545 enable swscale
1546 enable swscale_alpha
1547
1548 # build settings
1549 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1550 FFSERVERLDFLAGS=-Wl,-E
1551 LIBPREF="lib"
1552 LIBSUF=".a"
1553 FULLNAME='$(NAME)$(BUILDSUF)'
1554 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1555 SLIBPREF="lib"
1556 SLIBSUF=".so"
1557 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1558 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1559 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1560 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1561
1562 CC_O='-o $@'
1563
1564 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1565 host_libs='-lm'
1566
1567 target_path='$(CURDIR)'
1568
1569 # since the object filename is not given with the -MM flag, the compiler
1570 # is only able to print the basename, and we must add the path ourselves
1571 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1572 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1573
1574 # find source path
1575 source_path="$(dirname "$0")"
1576 enable source_path_used
1577 if test -f configure; then
1578     source_path="$(pwd)"
1579     disable source_path_used
1580 else
1581     source_path="$(cd "$source_path"; pwd)"
1582     echo "$source_path" | grep -q '[[:blank:]]' &&
1583         die "Out of tree builds are impossible with whitespace in source path."
1584     test -e "$source_path/config.h" &&
1585         die "Out of tree builds are impossible with config.h in source dir."
1586 fi
1587
1588 for v in "$@"; do
1589     r=${v#*=}
1590     l=${v%"$r"}
1591     r=$(sh_quote "$r")
1592     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1593 done
1594
1595 find_things(){
1596     thing=$1
1597     pattern=$2
1598     file=$source_path/$3
1599     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1600 }
1601
1602 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1603 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1604 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1605 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1606 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1607 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1608 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1609 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1610 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1611 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1612 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1613
1614 find_tests(){
1615     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1616 }
1617
1618 ACODEC_TESTS=$(find_tests acodec)
1619 VCODEC_TESTS=$(find_tests vsynth1)
1620 LAVF_TESTS=$(find_tests lavf)
1621 LAVFI_TESTS=$(find_tests lavfi)
1622 SEEK_TESTS=$(find_tests seek seek_)
1623
1624 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1625
1626 for n in $COMPONENT_LIST; do
1627     v=$(toupper ${n%s})_LIST
1628     eval enable \$$v
1629     eval ${n}_if_any="\$$v"
1630 done
1631
1632 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1633
1634 die_unknown(){
1635     echo "Unknown option \"$1\"."
1636     echo "See $0 --help for available options."
1637     exit 1
1638 }
1639
1640 show_list() {
1641     suffix=_$1
1642     shift
1643     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1644     exit 0
1645 }
1646
1647 for opt do
1648     optval="${opt#*=}"
1649     case "$opt" in
1650     --extra-ldflags=*) add_ldflags $optval
1651     ;;
1652     --extra-libs=*) add_extralibs $optval
1653     ;;
1654     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1655     ;;
1656     --enable-debug=*) debuglevel="$optval"
1657     ;;
1658     --disable-everything)
1659     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1660     ;;
1661     --enable-*=*|--disable-*=*)
1662     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1663     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1664     eval list=\$$(toupper $thing)_LIST
1665     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1666     $action $(filter "$name" $list)
1667     ;;
1668     --enable-?*|--disable-?*)
1669     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1670     if is_in $option $COMPONENT_LIST; then
1671         test $action = disable && action=unset
1672         eval $action \$$(toupper ${option%s})_LIST
1673     elif is_in $option $CMDLINE_SELECT; then
1674         $action $option
1675     else
1676         die_unknown $opt
1677     fi
1678     ;;
1679     --list-*)
1680         NAME="${opt#--list-}"
1681         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1682         NAME=${NAME%s}
1683         eval show_list $NAME \$$(toupper $NAME)_LIST
1684     ;;
1685     --help|-h) show_help
1686     ;;
1687     *)
1688     optname="${opt%%=*}"
1689     optname="${optname#--}"
1690     optname=$(echo "$optname" | sed 's/-/_/g')
1691     if is_in $optname $CMDLINE_SET; then
1692         eval $optname='$optval'
1693     elif is_in $optname $CMDLINE_APPEND; then
1694         append $optname "$optval"
1695     else
1696          die_unknown $opt
1697     fi
1698     ;;
1699     esac
1700 done
1701
1702 disabled logging && logfile=/dev/null
1703
1704 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1705 set >> $logfile
1706
1707 test -n "$cross_prefix" && enable cross_compile
1708
1709 if enabled cross_compile; then
1710     test -n "$arch" && test -n "$target_os" ||
1711         die "Must specify target arch and OS when cross-compiling"
1712 fi
1713
1714 set_default arch target_os
1715
1716 ar_default="${cross_prefix}${ar_default}"
1717 cc_default="${cross_prefix}${cc_default}"
1718 nm_default="${cross_prefix}${nm_default}"
1719 ranlib="${cross_prefix}${ranlib}"
1720 strip_default="${cross_prefix}${strip_default}"
1721
1722 sysinclude_default="${sysroot}/usr/include"
1723
1724 set_default cc nm strip sysinclude
1725 enabled cross_compile || host_cc_default=$cc
1726 set_default host_cc
1727
1728 exesuf() {
1729     case $1 in
1730         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1731     esac
1732 }
1733
1734 EXESUF=$(exesuf $target_os)
1735 HOSTEXESUF=$(exesuf $host_os)
1736
1737 # set temporary file name
1738 : ${TMPDIR:=$TEMPDIR}
1739 : ${TMPDIR:=$TMP}
1740 : ${TMPDIR:=/tmp}
1741
1742 if ! check_cmd type mktemp; then
1743     # simple replacement for missing mktemp
1744     # NOT SAFE FOR GENERAL USE
1745     mktemp(){
1746         echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1747     }
1748 fi
1749
1750 tmpfile(){
1751     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1752         (set -C; exec > $tmp) 2>/dev/null ||
1753         die "Unable to create temporary file in $TMPDIR."
1754     append TMPFILES $tmp
1755     eval $1=$tmp
1756 }
1757
1758 trap 'rm -f -- $TMPFILES' EXIT
1759 trap exit HUP INT TERM
1760
1761 tmpfile TMPC  .c
1762 tmpfile TMPE  $EXESUF
1763 tmpfile TMPH  .h
1764 tmpfile TMPO  .o
1765 tmpfile TMPS  .S
1766 tmpfile TMPV  .ver
1767 tmpfile TMPSH .sh
1768
1769 unset -f mktemp
1770
1771 # make sure we can execute files in $TMPDIR
1772 cat > $TMPSH 2>> $logfile <<EOF
1773 #! /bin/sh
1774 EOF
1775 chmod +x $TMPSH >> $logfile 2>&1
1776 if ! $TMPSH >> $logfile 2>&1; then
1777     cat <<EOF
1778 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1779 variable to another directory and make sure that it is not mounted noexec.
1780 EOF
1781     die "Sanity test failed."
1782 fi
1783
1784 filter_cflags=echo
1785 filter_cppflags=echo
1786 filter_asflags=echo
1787
1788 if   $cc -v 2>&1 | grep -qi ^gcc; then
1789     cc_type=gcc
1790     cc_version=__VERSION__
1791     if ! $cc -dumpversion | grep -q '^2\.'; then
1792         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1793         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1794     fi
1795     speed_cflags='-O3'
1796     size_cflags='-Os'
1797 elif $cc --version 2>/dev/null | grep -q Intel; then
1798     cc_type=icc
1799     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1800     CC_DEPFLAGS='-MMD'
1801     AS_DEPFLAGS='-MMD'
1802     speed_cflags='-O3'
1803     size_cflags='-Os'
1804     noopt_cflags='-O1'
1805 elif $cc -v 2>&1 | grep -q xlc; then
1806     cc_type=xlc
1807     cc_version="AV_STRINGIFY(__IBMC__)"
1808     speed_cflags='-O5'
1809     size_cflags='-O5 -qcompact'
1810 elif $cc -V 2>/dev/null | grep -q Compaq; then
1811     cc_type=ccc
1812     cc_version="AV_STRINGIFY(__DECC_VER)"
1813     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1814     debuglevel=3
1815     add_ldflags -Wl,-z,now # calls to libots crash without this
1816     speed_cflags='-fast'
1817     size_cflags='-O1'
1818 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1819     test -d "$sysroot" || die "No valid sysroot specified."
1820     cc_type=armcc
1821     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1822     armcc_conf="$PWD/armcc.conf"
1823     $cc --arm_linux_configure                 \
1824         --arm_linux_config_file="$armcc_conf" \
1825         --configure_sysroot="$sysroot"        \
1826         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1827         die "Error creating armcc configuration file."
1828     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1829     as_default="${cross_prefix}gcc"
1830     CC_DEPFLAGS='-MMD'
1831     AS_DEPFLAGS='-MMD'
1832     speed_cflags='-O3'
1833     size_cflags='-Os'
1834 elif $cc -version 2>/dev/null | grep -q TMS470; then
1835     cc_type=tms470
1836     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1837     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1838     CC_O='-fr=$(@D)'
1839     as_default="${cross_prefix}gcc"
1840     ld_default="${cross_prefix}gcc"
1841     TMPO=$(basename $TMPC .c).o
1842     append TMPFILES $TMPO
1843     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1844     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1845     AS_DEPFLAGS='-MMD'
1846     speed_cflags='-O3 -mf=5'
1847     size_cflags='-O3 -mf=2'
1848     filter_cflags=tms470_flags
1849     tms470_flags(){
1850         for flag; do
1851             case $flag in
1852                 -march=*|-mcpu=*)
1853                     case "${flag#*=}" in
1854                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
1855                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
1856                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
1857                         armv6*|arm11*)          echo -mv=6   ;;
1858                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1859                                                 echo -mv=5e  ;;
1860                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1861                     esac
1862                     ;;
1863                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1864                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
1865                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
1866                 -msoft-float)   echo --float_support=vfplib       ;;
1867                 -O[0-3]|-mf=*)  echo $flag                        ;;
1868                 -g)             echo -g -mn                       ;;
1869                 -pds=*)         echo $flag                        ;;
1870             esac
1871         done
1872     }
1873 elif $cc -v 2>&1 | grep -q clang; then
1874     cc_type=clang
1875     $cc -dM -E $TMPC | grep -q __clang_version__ &&
1876         cc_version=__clang_version__ || cc_version=__VERSION__
1877     CC_DEPFLAGS='-MMD'
1878     AS_DEPFLAGS='-MMD'
1879     speed_cflags='-O3'
1880     size_cflags='-Os'
1881 elif $cc -V 2>&1 | grep -q Sun; then
1882     cc_type=suncc
1883     cc_version="AV_STRINGIFY(__SUNPRO_C)"
1884     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1885     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1886     speed_cflags='-O5'
1887     size_cflags='-O5 -xspace'
1888     filter_cflags=suncc_flags
1889     suncc_flags(){
1890         for flag; do
1891             case $flag in
1892                 -march=*|-mcpu=*)
1893                     case "${flag#*=}" in
1894                         native)                   echo -xtarget=native       ;;
1895                         v9|niagara)               echo -xarch=sparc          ;;
1896                         ultrasparc)               echo -xarch=sparcvis       ;;
1897                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
1898                         i586|pentium)             echo -xchip=pentium        ;;
1899                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
1900                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
1901                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
1902                         pentium4*)          echo -xtarget=pentium4           ;;
1903                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
1904                         *-sse3)             echo -xarch=sse3                 ;;
1905                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
1906                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
1907                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
1908                         k8|opteron|athlon64|athlon-fx)
1909                                                   echo -xarch=sse2a          ;;
1910                         athlon*)                  echo -xarch=pentium_proa   ;;
1911                     esac
1912                     ;;
1913                 -std=c99)             echo -xc99              ;;
1914                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
1915                 -fPIC)                echo -KPIC -xcode=pic32 ;;
1916                 -W*,*)                echo $flag              ;;
1917                 -f*-*|-W*)                                    ;;
1918                 *)                    echo $flag              ;;
1919             esac
1920         done
1921     }
1922 fi
1923
1924 test -n "$cc_type" && enable $cc_type ||
1925     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
1926
1927 : ${as_default:=$cc}
1928 : ${dep_cc_default:=$cc}
1929 : ${ld_default:=$cc}
1930 set_default ar as dep_cc ld
1931
1932 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1933 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1934
1935 add_cflags $extra_cflags
1936 add_asflags $extra_cflags
1937
1938 if test -n "$sysroot"; then
1939     case "$cc_type" in
1940         gcc)
1941             add_cppflags --sysroot="$sysroot"
1942             add_ldflags --sysroot="$sysroot"
1943         ;;
1944         tms470)
1945             add_cppflags -I"$sysinclude"
1946             add_ldflags  --sysroot="$sysroot"
1947         ;;
1948         clang)
1949             add_cppflags -isysroot "$sysroot"
1950             add_ldflags -isysroot "$sysroot"
1951         ;;
1952     esac
1953 fi
1954
1955 if test "$cpu" = host; then
1956     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1957
1958     case "$cc_type" in
1959         gcc)
1960             check_native(){
1961                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1962                 sed -n "/$1=/{
1963                             s/.*$1=\\([^ ]*\\).*/\\1/
1964                             p
1965                             q
1966                         }" $TMPE
1967             }
1968             cpu=$(check_native -march || check_native -mcpu)
1969         ;;
1970     esac
1971
1972     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1973 fi
1974
1975 # Deal with common $arch aliases
1976 case "$arch" in
1977     arm*)
1978         arch="arm"
1979     ;;
1980     mips|mipsel|IP*)
1981         arch="mips"
1982     ;;
1983     mips64*)
1984         arch="mips"
1985         subarch="mips64"
1986     ;;
1987     parisc|hppa)
1988         arch="parisc"
1989     ;;
1990     parisc64|hppa64)
1991         arch="parisc"
1992         subarch="parisc64"
1993     ;;
1994     "Power Macintosh"|ppc|powerpc)
1995         arch="ppc"
1996     ;;
1997     ppc64|powerpc64)
1998         arch="ppc"
1999         subarch="ppc64"
2000     ;;
2001     s390|s390x)
2002         arch="s390"
2003     ;;
2004     sh4|sh)
2005         arch="sh4"
2006     ;;
2007     sun4u|sparc64)
2008         arch="sparc"
2009         subarch="sparc64"
2010     ;;
2011     i[3-6]86|i86pc|BePC|x86_64|amd64)
2012         arch="x86"
2013     ;;
2014 esac
2015
2016 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2017 enable $arch
2018
2019 # Add processor-specific flags
2020 if test "$cpu" = generic; then
2021     : do nothing
2022 elif enabled ppc; then
2023
2024     case $(tolower $cpu) in
2025         601|ppc601|powerpc601)
2026             cpuflags="-mcpu=601"
2027             disable altivec
2028         ;;
2029         603*|ppc603*|powerpc603*)
2030             cpuflags="-mcpu=603"
2031             disable altivec
2032         ;;
2033         604*|ppc604*|powerpc604*)
2034             cpuflags="-mcpu=604"
2035             disable altivec
2036         ;;
2037         g3|75*|ppc75*|powerpc75*)
2038             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2039             disable altivec
2040         ;;
2041         g4|745*|ppc745*|powerpc745*)
2042             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2043         ;;
2044         74*|ppc74*|powerpc74*)
2045             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2046         ;;
2047         g5|970|ppc970|powerpc970|power4*)
2048             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2049         ;;
2050         cell)
2051             cpuflags="-mcpu=cell"
2052             enable ldbrx
2053         ;;
2054         e500v2)
2055             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2056             disable altivec
2057         ;;
2058         e500)
2059             cpuflags="-mcpu=8540 -mhard-float"
2060             disable altivec
2061         ;;
2062     esac
2063
2064 elif enabled x86; then
2065
2066     case $cpu in
2067         i[345]86|pentium)
2068             cpuflags="-march=$cpu"
2069             disable mmx
2070         ;;
2071         # targets that do NOT support conditional mov (cmov)
2072         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2073             cpuflags="-march=$cpu"
2074             disable cmov
2075         ;;
2076         # targets that do support conditional mov (cmov)
2077         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona)
2078             cpuflags="-march=$cpu"
2079             enable cmov
2080             enable fast_cmov
2081         ;;
2082         # targets that do support conditional mov but on which it's slow
2083         pentium4|pentium4m|prescott|nocona)
2084             cpuflags="-march=$cpu"
2085             enable cmov
2086             disable fast_cmov
2087         ;;
2088     esac
2089
2090 elif enabled sparc; then
2091
2092     case $cpu in
2093         niagara)
2094             cpuflags="-mcpu=$cpu"
2095             disable vis
2096         ;;
2097         sparc64)
2098             cpuflags="-mcpu=v9"
2099         ;;
2100     esac
2101
2102 elif enabled arm; then
2103
2104     case $cpu in
2105         armv*)
2106             cpuflags="-march=$cpu"
2107         ;;
2108         *)
2109             cpuflags="-mcpu=$cpu"
2110         ;;
2111     esac
2112
2113 elif enabled alpha; then
2114
2115     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2116
2117 elif enabled bfin; then
2118
2119     cpuflags="-mcpu=$cpu"
2120
2121 elif enabled mips; then
2122
2123     cpuflags="-march=$cpu"
2124
2125 elif enabled avr32; then
2126
2127     case $cpu in
2128         ap7[02]0[0-2])
2129             subarch="avr32_ap"
2130             cpuflags="-mpart=$cpu"
2131         ;;
2132         ap)
2133             subarch="avr32_ap"
2134             cpuflags="-march=$cpu"
2135         ;;
2136         uc3[ab]*)
2137             subarch="avr32_uc"
2138             cpuflags="-mcpu=$cpu"
2139         ;;
2140         uc)
2141             subarch="avr32_uc"
2142             cpuflags="-march=$cpu"
2143         ;;
2144     esac
2145
2146 fi
2147
2148 add_cflags $cpuflags
2149 add_asflags $cpuflags
2150
2151 # compiler sanity check
2152 check_exec <<EOF
2153 int main(void){ return 0; }
2154 EOF
2155 if test "$?" != 0; then
2156     echo "$cc is unable to create an executable file."
2157     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2158         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2159         echo "Only do this if you know what cross compiling means."
2160     fi
2161     die "C compiler test failed."
2162 fi
2163
2164 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2165 check_cflags -std=c99
2166 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2167 #include <stdlib.h>
2168 EOF
2169 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2170 #include <stdlib.h>
2171 EOF
2172
2173 check_host_cflags -std=c99
2174
2175 case "$arch" in
2176     alpha|ia64|mips|parisc|sparc)
2177         spic=$shared
2178     ;;
2179     x86)
2180         subarch="x86_32"
2181         check_cc <<EOF && subarch="x86_64"
2182         int test[(int)sizeof(char*) - 7];
2183 EOF
2184         if test "$subarch" = "x86_64"; then
2185             spic=$shared
2186         fi
2187     ;;
2188 esac
2189
2190 enable $subarch
2191 enabled spic && enable pic
2192
2193 # OS specific
2194 case $target_os in
2195     haiku)
2196         prefix_default="/boot/common"
2197         network_extralibs="-lnetwork"
2198         ;;
2199     sunos)
2200         FFSERVERLDFLAGS=""
2201         SHFLAGS='-shared -Wl,-h,$$(@F)'
2202         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2203         network_extralibs="-lsocket -lnsl"
2204         add_cppflags -D__EXTENSIONS__
2205         nm_opts='-P -g'
2206         ;;
2207     netbsd)
2208         oss_indev_extralibs="-lossaudio"
2209         oss_outdev_extralibs="-lossaudio"
2210         add_cppflags -D_XOPEN_SOURCE=600
2211         ;;
2212     openbsd)
2213         enable malloc_aligned
2214         # On OpenBSD 4.5. the compiler does not use PIC unless
2215         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2216         # however the generated executable will not do anything
2217         # (simply quits with exit-code 1, no crash, no output).
2218         # Thus explicitly enable PIC here.
2219         enable pic
2220         SHFLAGS='-shared'
2221         oss_indev_extralibs="-lossaudio"
2222         oss_outdev_extralibs="-lossaudio"
2223         ;;
2224     freebsd|dragonfly)
2225         enable malloc_aligned
2226         ;;
2227     bsd/os)
2228         add_extralibs -lpoll -lgnugetopt
2229         strip="strip -d"
2230         ;;
2231     darwin)
2232         enable malloc_aligned
2233         gas="gas-preprocessor.pl $cc"
2234         enabled ppc && add_asflags -force_cpusubtype_ALL
2235         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2236         strip="${strip} -x"
2237         add_ldflags -Wl,-dynamic,-search_paths_first
2238         SLIBSUF=".dylib"
2239         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2240         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2241         FFSERVERLDFLAGS=-Wl,-bind_at_load
2242         objformat="macho"
2243         enabled x86_64 && objformat="macho64"
2244         enabled_any pic shared ||
2245             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2246         ;;
2247     mingw32*)
2248         if test $target_os = "mingw32ce"; then
2249             disable network
2250         else
2251             target_os=mingw32
2252         fi
2253         LIBTARGET=i386
2254         if enabled x86_64; then
2255             enable malloc_aligned
2256             LIBTARGET=x64
2257         elif enabled arm; then
2258             LIBTARGET=arm
2259         fi
2260         shlibdir_default="$bindir_default"
2261         disable ffserver
2262         SLIBPREF=""
2263         SLIBSUF=".dll"
2264         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2265         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2266         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2267         SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2268             install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2269             install -d "$(LIBDIR)"; \
2270             install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2271         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2272         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2273         objformat="win32"
2274         enable dos_paths
2275         check_cflags -fno-common
2276         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2277                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2278                 die "ERROR: MinGW runtime version must be >= 3.15."
2279         ;;
2280     cygwin*)
2281         target_os=cygwin
2282         shlibdir_default="$bindir_default"
2283         SLIBPREF="cyg"
2284         SLIBSUF=".dll"
2285         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2286         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2287         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2288         objformat="win32"
2289         enable dos_paths
2290         check_cflags -fno-common
2291         ;;
2292     *-dos|freedos|opendos)
2293         disable ffplay ffserver
2294         disable $INDEV_LIST $OUTDEV_LIST
2295         network_extralibs="-lsocket"
2296         objformat="coff"
2297         enable dos_paths
2298         ;;
2299     linux)
2300         enable dv1394
2301         ;;
2302     irix*)
2303         target_os=irix
2304         ranlib="echo ignoring ranlib"
2305         ;;
2306     os/2*)
2307         strip="lxlite"
2308         ln_s="cp -f"
2309         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2310         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2311         FFSERVERLDFLAGS=""
2312         LIBSUF="_s.a"
2313         SLIBPREF=""
2314         SLIBSUF=".dll"
2315         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2316         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2317         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2318           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2319           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2320           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2321           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2322           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2323         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2324           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2325         SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2326         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2327         enable dos_paths
2328         ;;
2329     gnu/kfreebsd)
2330         ;;
2331     gnu)
2332         ;;
2333     none)
2334         ;;
2335     *)
2336         die "Unknown OS '$target_os'."
2337         ;;
2338 esac
2339
2340 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2341
2342 set_default $PATHS_LIST
2343
2344 # we need to build at least one lib type
2345 if ! enabled_any static shared; then
2346     cat <<EOF
2347 At least one library type must be built.
2348 Specify --enable-static to build the static libraries or --enable-shared to
2349 build the shared libraries as well. To only build the shared libraries specify
2350 --disable-static in addition to --enable-shared.
2351 EOF
2352     exit 1;
2353 fi
2354
2355 disabled static && LIBNAME=""
2356
2357 die_license_disabled() {
2358     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2359 }
2360
2361 die_license_disabled gpl libx264
2362 die_license_disabled gpl libxvid
2363 die_license_disabled gpl postproc
2364 die_license_disabled gpl x11grab
2365
2366 die_license_disabled nonfree libfaac
2367
2368 die_license_disabled version3 libopencore_amrnb
2369 die_license_disabled version3 libopencore_amrwb
2370
2371 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2372
2373 check_deps $ARCH_EXT_LIST
2374
2375 disabled optimizations || check_cflags -fomit-frame-pointer
2376
2377 enable_pic() {
2378     enable pic
2379     add_cppflags -DPIC
2380     add_cflags   -fPIC
2381     add_asflags  -fPIC
2382 }
2383
2384 enabled pic && enable_pic
2385
2386 check_cc <<EOF || die "Symbol mangling check failed."
2387 int ff_extern;
2388 EOF
2389 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2390 extern_prefix=${sym%%ff_extern*}
2391
2392 check_cc <<EOF && enable inline_asm
2393 void foo(void) { __asm__ volatile ("" ::); }
2394 EOF
2395
2396 _restrict=
2397 for restrict_keyword in restrict __restrict__ __restrict; do
2398     check_cc <<EOF && _restrict=$restrict_keyword && break
2399 void foo(char * $restrict_keyword p);
2400 EOF
2401 done
2402
2403 check_cc <<EOF && enable attribute_packed
2404 struct { int x; } __attribute__((packed)) x;
2405 EOF
2406
2407 check_cc <<EOF && enable attribute_may_alias
2408 union { int x; } __attribute__((may_alias)) x;
2409 EOF
2410
2411 check_cc <<EOF || die "endian test failed"
2412 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2413 EOF
2414 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2415
2416 if enabled alpha; then
2417
2418     check_cflags -mieee
2419
2420 elif enabled arm; then
2421
2422     check_cflags -marm
2423     nogas=die
2424
2425     check_ld <<EOF && enable vfp_args
2426 __asm__ (".eabi_attribute 28, 1");
2427 int main(void) { return 0; }
2428 EOF
2429
2430     # We have to check if pld is a nop and disable it.
2431     check_asm pld '"pld [r0]"'
2432
2433     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2434     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2435     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2436     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2437     enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2438     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2439
2440     enabled_all armv6t2 shared !pic && enable_pic
2441
2442 elif enabled mips; then
2443
2444     check_asm loongson '"dmult.g $1, $2, $3"'
2445     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2446
2447 elif enabled ppc; then
2448
2449     enable local_aligned_8 local_aligned_16
2450
2451     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2452     check_asm ibm_asm   '"add 0, 0, 0"'
2453     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2454     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2455
2456     # AltiVec flags: The FSF version of GCC differs from the Apple version
2457     if enabled altivec; then
2458         nogas=warn
2459         check_cflags -maltivec -mabi=altivec &&
2460         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2461         check_cflags -faltivec
2462
2463         # check if our compiler supports Motorola AltiVec C API
2464         check_cc <<EOF || disable altivec
2465 $inc_altivec_h
2466 int main(void) {
2467     vector signed int v1, v2, v3;
2468     v1 = vec_add(v2,v3);
2469     return 0;
2470 }
2471 EOF
2472
2473         # check if our compiler supports braces for vector declarations
2474         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2475 $inc_altivec_h
2476 int main (void) { (vector int) {1}; return 0; }
2477 EOF
2478     fi
2479
2480 elif enabled sparc; then
2481
2482     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2483         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2484
2485 elif enabled x86; then
2486
2487     enable local_aligned_8 local_aligned_16
2488
2489     # check whether EBP is available on x86
2490     # As 'i' is stored on the stack, this program will crash
2491     # if the base pointer is used to access it because the
2492     # base pointer is cleared in the inline assembly code.
2493     check_exec_crash <<EOF && enable ebp_available
2494     volatile int i=0;
2495     __asm__ volatile (
2496         "xorl %%ebp, %%ebp"
2497     ::: "%ebp");
2498     return i;
2499 EOF
2500
2501     # check whether EBX is available on x86
2502     check_asm ebx_available '""::"b"(0)' &&
2503         check_asm ebx_available '"":::"%ebx"'
2504
2505     # check whether more than 10 operands are supported
2506     check_cc <<EOF && enable ten_operands
2507 int main(void) {
2508     int x=0;
2509     __asm__ volatile(
2510         ""
2511         :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2512     );
2513     return 0;
2514 }
2515 EOF
2516
2517     # check whether binutils is new enough to compile SSSE3/MMX2
2518     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2519     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2520
2521     check_asm bswap '"bswap %%eax" ::: "%eax"'
2522
2523     YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2524     enabled     x86_64        && append YASMFLAGS "-m amd64"
2525     enabled     pic           && append YASMFLAGS "-DPIC"
2526     test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2527     case "$objformat" in
2528         elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2529     esac
2530     if ! disabled yasm; then
2531         check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2532             warn "yasm not found, performance will suffer"
2533     fi
2534
2535     case "$cpu" in
2536         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2537             disable fast_clz
2538         ;;
2539     esac
2540
2541 fi
2542
2543 if enabled asm; then
2544     as=${gas:=$as}
2545     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2546         $nogas "GNU assembler not found, install gas-preprocessor"
2547 fi
2548
2549 if check_func dlopen; then
2550     ldl=
2551 elif check_func dlopen -ldl; then
2552     ldl=-ldl
2553 fi
2554
2555 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2556 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2557
2558 check_func  fcntl
2559 check_func  fork
2560 check_func  getaddrinfo $network_extralibs
2561 check_func  gethrtime
2562 check_func  getrusage
2563 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2564 check_func  inet_aton $network_extralibs
2565 check_func  isatty
2566 check_func  ${malloc_prefix}memalign            && enable memalign
2567 check_func  mkstemp
2568 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2569 check_func  setrlimit
2570 check_func  strerror_r
2571 check_func_headers io.h setmode
2572 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2573 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2574 check_func_headers windows.h GetProcessTimes
2575 check_func_headers windows.h VirtualAlloc
2576
2577 check_header conio.h
2578 check_header dlfcn.h
2579 check_header dxva2api.h
2580 check_header malloc.h
2581 check_header poll.h
2582 check_header sys/mman.h
2583 check_header sys/resource.h
2584 check_header sys/select.h
2585 check_header termios.h
2586 check_header vdpau/vdpau.h
2587 check_header vdpau/vdpau_x11.h
2588 check_header X11/extensions/XvMClib.h
2589
2590 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2591
2592 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2593      enabled_any $need_memalign ; then
2594     die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2595 fi
2596
2597 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2598 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2599
2600 # check for some common methods of building with pthread support
2601 # do this before the optional library checks as some of them require pthreads
2602 if ! disabled pthreads && ! enabled w32threads; then
2603     enable pthreads
2604     if check_func pthread_create; then
2605         :
2606     elif check_func pthread_create -pthread; then
2607         add_cflags -pthread
2608         add_extralibs -pthread
2609     elif check_func pthread_create -pthreads; then
2610         add_cflags -pthreads
2611         add_extralibs -pthreads
2612     elif check_func pthread_create -lpthreadGC2; then
2613         add_extralibs -lpthreadGC2
2614     elif ! check_lib pthread.h pthread_create -lpthread; then
2615         disable pthreads
2616     fi
2617 fi
2618
2619 for thread in $THREADS_LIST; do
2620     if enabled $thread; then
2621         test -n "$thread_type" &&
2622             die "ERROR: Only one thread type must be selected." ||
2623             thread_type="$thread"
2624     fi
2625 done
2626
2627 check_lib math.h sin -lm
2628 disabled vaapi || check_lib va/va.h vaInitialize -lva
2629
2630 check_mathfunc exp2
2631 check_mathfunc exp2f
2632 check_mathfunc llrint
2633 check_mathfunc llrintf
2634 check_mathfunc log2
2635 check_mathfunc log2f
2636 check_mathfunc lrint
2637 check_mathfunc lrintf
2638 check_mathfunc round
2639 check_mathfunc roundf
2640 check_mathfunc truncf
2641
2642 # these are off by default, so fail if requested and not available
2643 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2644 enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2645                       require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2646                       require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2647 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2648 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
2649 enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame
2650 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2651 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2652 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2653 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2654 enabled librtmp    && { check_lib librtmp/rtmp.h RTMP_Socket $(pkg-config --libs librtmp) ||
2655                         die "ERROR: librtmp not found or RTMP_Socket() missing, librtmp version must be >= 2.2.f"; }
2656 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2657                            require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2658 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2659 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2660 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2661 enabled libvpx     && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx &&
2662                         check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2663                       die "ERROR: libvpx version must be >=0.9.1"; }
2664 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
2665                       { check_cpp_condition x264.h "X264_BUILD >= 98" ||
2666                         die "ERROR: libx264 version must be >= 0.98."; }
2667 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2668 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2669
2670 # libdc1394 check
2671 if enabled libdc1394; then
2672     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2673         enable libdc1394_2; } ||
2674     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2675         enable libdc1394_1; } ||
2676     die "ERROR: No version of libdc1394 found "
2677 fi
2678
2679 SDL_CONFIG="${cross_prefix}sdl-config"
2680 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2681     sdl_cflags=$("${SDL_CONFIG}" --cflags)
2682     sdl_libs=$("${SDL_CONFIG}" --libs)
2683     check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2684     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2685     enable sdl &&
2686     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2687 fi
2688
2689 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2690
2691 if enabled network; then
2692     check_type "sys/types.h sys/socket.h" socklen_t
2693     check_type netdb.h "struct addrinfo"
2694     check_type netinet/in.h "struct ipv6_mreq"
2695     check_type netinet/in.h "struct sockaddr_in6"
2696     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2697     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2698     # Prefer arpa/inet.h over winsock2
2699     if check_header arpa/inet.h ; then
2700         check_func closesocket
2701     elif check_header winsock2.h ; then
2702         check_func_headers winsock2.h closesocket -lws2 && \
2703             network_extralibs="-lws2" || \
2704         { check_func_headers winsock2.h closesocket -lws2_32 && \
2705             network_extralibs="-lws2_32"; }
2706         check_type ws2tcpip.h socklen_t
2707         check_type ws2tcpip.h "struct addrinfo"
2708         check_type ws2tcpip.h "struct ipv6_mreq"
2709         check_type ws2tcpip.h "struct sockaddr_in6"
2710         check_type ws2tcpip.h "struct sockaddr_storage"
2711         check_struct winsock2.h "struct sockaddr" sa_len
2712     else
2713         disable network
2714     fi
2715 fi
2716
2717 check_header linux/videodev.h
2718 check_header linux/videodev2.h
2719 check_header sys/videoio.h
2720
2721 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2722 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2723 # w32api 3.12 had it defined wrong
2724 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2725
2726 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2727 { check_header dev/bktr/ioctl_meteor.h &&
2728   check_header dev/bktr/ioctl_bt848.h; } ||
2729 { check_header machine/ioctl_meteor.h &&
2730   check_header machine/ioctl_bt848.h; } ||
2731 { check_header dev/video/meteor/ioctl_meteor.h &&
2732   check_header dev/video/bktr/ioctl_bt848.h; } ||
2733 check_header dev/ic/bt8xx.h
2734
2735 check_header sys/soundcard.h
2736 check_header soundcard.h
2737
2738 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2739
2740 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2741
2742 enabled x11grab                         &&
2743 check_header X11/Xlib.h                 &&
2744 check_header X11/extensions/XShm.h      &&
2745 check_header X11/extensions/Xfixes.h    &&
2746 check_func XOpenDisplay -lX11           &&
2747 check_func XShmCreateImage -lX11 -lXext &&
2748 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2749
2750 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2751 check_cpp_condition \
2752     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2753     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2754       disable vdpau; }
2755 fi
2756
2757 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2758
2759 # add some useful compiler flags if supported
2760 check_cflags -Wdeclaration-after-statement
2761 check_cflags -Wall
2762 check_cflags -Wno-switch
2763 check_cflags -Wdisabled-optimization
2764 check_cflags -Wpointer-arith
2765 check_cflags -Wredundant-decls
2766 check_cflags -Wno-pointer-sign
2767 check_cflags -Wcast-qual
2768 check_cflags -Wwrite-strings
2769 check_cflags -Wtype-limits
2770 check_cflags -Wundef
2771 check_cflags -Wmissing-prototypes
2772 enabled extra_warnings && check_cflags -Winline
2773
2774 # add some linker flags
2775 check_ldflags -Wl,--warn-common
2776 check_ldflags -Wl,--as-needed
2777 check_ldflags '-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
2778 check_ldflags -Wl,-Bsymbolic
2779
2780 echo "X{};" > $TMPV
2781 if test_ldflags -Wl,--version-script,$TMPV; then
2782     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2783     check_cc <<EOF && enable symver_asm_label
2784 void ff_foo(void) __asm__ ("av_foo@VERSION");
2785 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2786 EOF
2787     check_cc <<EOF && enable symver_gnu_asm
2788 __asm__(".symver ff_foo,av_foo@VERSION");
2789 void ff_foo(void) {}
2790 EOF
2791 fi
2792
2793 if enabled small; then
2794     add_cflags $size_cflags
2795     optimizations="small"
2796 elif enabled optimizations; then
2797     add_cflags $speed_cflags
2798 else
2799     add_cflags $noopt_cflags
2800 fi
2801 check_cflags -fno-math-errno
2802 check_cflags -fno-signed-zeros
2803
2804 if enabled icc; then
2805     # Just warnings, no remarks
2806     check_cflags -w1
2807     # -wd: Disable following warnings
2808     # 144, 167, 556: -Wno-pointer-sign
2809     # 10006: ignoring unknown option -fno-signed-zeros
2810     # 10156: ignoring option '-W'; no argument required
2811     check_cflags -wd144,167,556,10006,10156
2812     # 11030: Warning unknown option --as-needed
2813     # 10156: ignoring option '-export'; no argument required
2814     check_ldflags -wd10156,11030
2815     # Allow to compile with optimizations
2816     check_ldflags -march=$cpu
2817     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2818     enable ebp_available
2819 elif enabled ccc; then
2820     # disable some annoying warnings
2821     add_cflags -msg_disable cvtu32to64
2822     add_cflags -msg_disable embedcomment
2823     add_cflags -msg_disable needconstext
2824     add_cflags -msg_disable nomainieee
2825     add_cflags -msg_disable ptrmismatch1
2826     add_cflags -msg_disable unreachcode
2827 elif enabled gcc; then
2828     check_cflags -fno-tree-vectorize
2829     check_cflags -Werror=implicit-function-declaration
2830     check_cflags -Werror=missing-prototypes
2831 elif enabled clang; then
2832     check_cflags -Qunused-arguments
2833 elif enabled armcc; then
2834     # 2523: use of inline assembler is deprecated
2835     add_cflags -Wrvct,--diag_suppress=2523
2836     add_cflags -Wrvct,--diag_suppress=1207
2837 elif enabled tms470; then
2838     add_cflags -pds=824 -pds=837
2839 fi
2840
2841 enabled_any $THREADS_LIST      && enable threads
2842
2843 check_deps $CONFIG_LIST       \
2844            $CONFIG_EXTRA      \
2845            $HAVE_LIST         \
2846            $DECODER_LIST      \
2847            $ENCODER_LIST      \
2848            $HWACCEL_LIST      \
2849            $PARSER_LIST       \
2850            $BSF_LIST          \
2851            $DEMUXER_LIST      \
2852            $MUXER_LIST        \
2853            $FILTER_LIST       \
2854            $INDEV_LIST        \
2855            $OUTDEV_LIST       \
2856            $PROTOCOL_LIST     \
2857            $ACODEC_TESTS      \
2858            $VCODEC_TESTS      \
2859            $LAVF_TESTS        \
2860            $LAVFI_TESTS       \
2861            $SEEK_TESTS        \
2862
2863 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
2864
2865 echo "install prefix            $prefix"
2866 echo "source path               $source_path"
2867 echo "C compiler                $cc"
2868 echo "ARCH                      $arch ($cpu)"
2869 if test "$build_suffix" != ""; then
2870     echo "build suffix              $build_suffix"
2871 fi
2872 if test "$extra_version" != ""; then
2873     echo "version string suffix     $extra_version"
2874 fi
2875 echo "big-endian                ${bigendian-no}"
2876 echo "runtime cpu detection     ${runtime_cpudetect-no}"
2877 if enabled x86; then
2878     echo "yasm                      ${yasm-no}"
2879     echo "MMX enabled               ${mmx-no}"
2880     echo "MMX2 enabled              ${mmx2-no}"
2881     echo "3DNow! enabled            ${amd3dnow-no}"
2882     echo "3DNow! extended enabled   ${amd3dnowext-no}"
2883     echo "SSE enabled               ${sse-no}"
2884     echo "SSSE3 enabled             ${ssse3-no}"
2885     echo "CMOV enabled              ${cmov-no}"
2886     echo "CMOV is fast              ${fast_cmov-no}"
2887     echo "EBX available             ${ebx_available-no}"
2888     echo "EBP available             ${ebp_available-no}"
2889     echo "10 operands supported     ${ten_operands-no}"
2890 fi
2891 if enabled arm; then
2892     echo "ARMv5TE enabled           ${armv5te-no}"
2893     echo "ARMv6 enabled             ${armv6-no}"
2894     echo "ARMv6T2 enabled           ${armv6t2-no}"
2895     echo "ARM VFP enabled           ${armvfp-no}"
2896     echo "IWMMXT enabled            ${iwmmxt-no}"
2897     echo "NEON enabled              ${neon-no}"
2898 fi
2899 if enabled mips; then
2900     echo "MMI enabled               ${mmi-no}"
2901 fi
2902 if enabled ppc; then
2903     echo "AltiVec enabled           ${altivec-no}"
2904     echo "PPC 4xx optimizations     ${ppc4xx-no}"
2905     echo "dcbzl available           ${dcbzl-no}"
2906 fi
2907 if enabled sparc; then
2908     echo "VIS enabled               ${vis-no}"
2909 fi
2910 echo "debug symbols             ${debug-no}"
2911 echo "strip symbols             ${stripping-no}"
2912 echo "optimizations             ${optimizations-no}"
2913 echo "static                    ${static-no}"
2914 echo "shared                    ${shared-no}"
2915 echo "postprocessing support    ${postproc-no}"
2916 echo "new filter support        ${avfilter-no}"
2917 echo "filters using lavformat   ${avfilter_lavf-no}"
2918 echo "network support           ${network-no}"
2919 echo "threading support         ${thread_type-no}"
2920 echo "SDL support               ${sdl-no}"
2921 echo "Sun medialib support      ${mlib-no}"
2922 echo "AVISynth enabled          ${avisynth-no}"
2923 echo "libdc1394 support         ${libdc1394-no}"
2924 echo "libdirac enabled          ${libdirac-no}"
2925 echo "libfaac enabled           ${libfaac-no}"
2926 echo "libgsm enabled            ${libgsm-no}"
2927 echo "libmp3lame enabled        ${libmp3lame-no}"
2928 echo "libnut enabled            ${libnut-no}"
2929 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2930 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2931 echo "libopenjpeg enabled       ${libopenjpeg-no}"
2932 echo "librtmp enabled           ${librtmp-no}"
2933 echo "libschroedinger enabled   ${libschroedinger-no}"
2934 echo "libspeex enabled          ${libspeex-no}"
2935 echo "libtheora enabled         ${libtheora-no}"
2936 echo "libvorbis enabled         ${libvorbis-no}"
2937 echo "libvpx enabled            ${libvpx-no}"
2938 echo "libx264 enabled           ${libx264-no}"
2939 echo "libxvid enabled           ${libxvid-no}"
2940 echo "zlib enabled              ${zlib-no}"
2941 echo "bzlib enabled             ${bzlib-no}"
2942 echo
2943
2944 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2945     echo "Enabled ${type}s:"
2946     eval list=\$$(toupper $type)_LIST
2947     print_enabled '_*' $list | sort | pr -3 -t
2948     echo
2949 done
2950
2951 license="LGPL version 2.1 or later"
2952 if enabled nonfree; then
2953     license="nonfree and unredistributable"
2954 elif enabled gplv3; then
2955     license="GPL version 3 or later"
2956 elif enabled lgplv3; then
2957     license="LGPL version 3 or later"
2958 elif enabled gpl; then
2959     license="GPL version 2 or later"
2960 fi
2961
2962 echo "License: $license"
2963
2964 echo "Creating config.mak and config.h..."
2965
2966 # build tree in object directory if source path is different from current one
2967 if enabled source_path_used; then
2968     DIRS="
2969         doc
2970         libavcodec
2971         libavcodec/$arch
2972         libavdevice
2973         libavfilter
2974         libavformat
2975         libavutil
2976         libavutil/$arch
2977         libpostproc
2978         libswscale
2979         libswscale/$arch
2980         tests
2981         tools
2982     "
2983     FILES="
2984         Makefile
2985         common.mak
2986         subdir.mak
2987         doc/texi2pod.pl
2988         libavcodec/Makefile
2989         libavcodec/${arch}/Makefile
2990         libavdevice/Makefile
2991         libavfilter/Makefile
2992         libavformat/Makefile
2993         libavutil/Makefile
2994         libpostproc/Makefile
2995         libswscale/Makefile
2996     "
2997     map 'mkdir -p $v' $DIRS;
2998     map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
2999 fi
3000
3001 enabled stripping || strip="echo skipping strip"
3002
3003 cat > config.mak <<EOF
3004 # Automatically generated by configure - do not modify!
3005 ifndef FFMPEG_CONFIG_MAK
3006 FFMPEG_CONFIG_MAK=1
3007 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3008 prefix=$prefix
3009 LIBDIR=\$(DESTDIR)$libdir
3010 SHLIBDIR=\$(DESTDIR)$shlibdir
3011 INCDIR=\$(DESTDIR)$incdir
3012 BINDIR=\$(DESTDIR)$bindir
3013 DATADIR=\$(DESTDIR)$datadir
3014 MANDIR=\$(DESTDIR)$mandir
3015 SRC_PATH="$source_path"
3016 SRC_PATH_BARE=$source_path
3017 BUILD_ROOT="$PWD"
3018 ARCH=$arch
3019 CC=$cc
3020 AS=$as
3021 LD=$ld
3022 DEPCC=$dep_cc
3023 YASM=$yasmexe
3024 YASMDEP=$yasmexe
3025 AR=$ar
3026 RANLIB=$ranlib
3027 CP=cp -p
3028 LN_S=$ln_s
3029 STRIP=$strip
3030 CPPFLAGS=$CPPFLAGS
3031 CFLAGS=$CFLAGS
3032 ASFLAGS=$ASFLAGS
3033 CC_O=$CC_O
3034 LDFLAGS=$LDFLAGS
3035 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3036 SHFLAGS=$SHFLAGS
3037 YASMFLAGS=$YASMFLAGS
3038 BUILDSUF=$build_suffix
3039 FULLNAME=$FULLNAME
3040 LIBPREF=$LIBPREF
3041 LIBSUF=$LIBSUF
3042 LIBNAME=$LIBNAME
3043 SLIBPREF=$SLIBPREF
3044 SLIBSUF=$SLIBSUF
3045 EXESUF=$EXESUF
3046 EXTRA_VERSION=$extra_version
3047 DEPFLAGS=$DEPFLAGS
3048 CCDEP=$CCDEP
3049 ASDEP=$ASDEP
3050 CC_DEPFLAGS=$CC_DEPFLAGS
3051 AS_DEPFLAGS=$AS_DEPFLAGS
3052 HOSTCC=$host_cc
3053 HOSTCFLAGS=$host_cflags
3054 HOSTEXESUF=$HOSTEXESUF
3055 HOSTLDFLAGS=$host_ldflags
3056 HOSTLIBS=$host_libs
3057 TARGET_EXEC=$target_exec
3058 TARGET_PATH=$target_path
3059 SDL_LIBS=$sdl_libs
3060 SDL_CFLAGS=$sdl_cflags
3061 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3062 EXTRALIBS=$extralibs
3063 INSTALL=install
3064 LIBTARGET=${LIBTARGET}
3065 SLIBNAME=${SLIBNAME}
3066 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3067 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3068 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3069 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3070 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3071 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3072 SAMPLES=$samples
3073 EOF
3074
3075 get_version(){
3076     name=$1
3077     file=$source_path/$2
3078     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3079     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3080     lcname=$(tolower $name)
3081     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3082     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3083 }
3084
3085 get_version LIBSWSCALE  libswscale/swscale.h
3086 get_version LIBPOSTPROC libpostproc/postprocess.h
3087 get_version LIBAVCODEC  libavcodec/avcodec.h
3088 get_version LIBAVDEVICE libavdevice/avdevice.h
3089 get_version LIBAVFORMAT libavformat/avformat.h
3090 get_version LIBAVUTIL   libavutil/avutil.h
3091 get_version LIBAVFILTER libavfilter/avfilter.h
3092
3093 cat > $TMPH <<EOF
3094 /* Automatically generated by configure - do not modify! */
3095 #ifndef FFMPEG_CONFIG_H
3096 #define FFMPEG_CONFIG_H
3097 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3098 #define FFMPEG_LICENSE "$(c_escape $license)"
3099 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3100 #define CC_TYPE "$cc_type"
3101 #define CC_VERSION $cc_version
3102 #define restrict $_restrict
3103 #define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
3104 #define EXTERN_PREFIX "${extern_prefix}"
3105 #define EXTERN_ASM ${extern_prefix}
3106 EOF
3107
3108 test -n "$malloc_prefix" &&
3109     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3110
3111 if enabled small || disabled optimizations; then
3112     echo "#undef  av_always_inline"  >> $TMPH
3113     echo "#define av_always_inline"  >> $TMPH
3114 fi
3115
3116 print_config ARCH_   $TMPH config.mak $ARCH_LIST
3117 print_config HAVE_   $TMPH config.mak $HAVE_LIST
3118 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
3119                                       $CONFIG_EXTRA      \
3120                                       $DECODER_LIST      \
3121                                       $ENCODER_LIST      \
3122                                       $HWACCEL_LIST      \
3123                                       $PARSER_LIST       \
3124                                       $BSF_LIST          \
3125                                       $DEMUXER_LIST      \
3126                                       $MUXER_LIST        \
3127                                       $FILTER_LIST       \
3128                                       $PROTOCOL_LIST     \
3129                                       $INDEV_LIST        \
3130                                       $OUTDEV_LIST       \
3131
3132 cat >>config.mak <<EOF
3133 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3134 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3135 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3136 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3137 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3138 EOF
3139
3140 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3141 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3142
3143 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3144 cp_if_changed $TMPH config.h
3145 touch .config
3146
3147 cat > $TMPH <<EOF
3148 /* Generated by ffconf */
3149 #ifndef AVUTIL_AVCONFIG_H
3150 #define AVUTIL_AVCONFIG_H
3151 EOF
3152
3153 print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3154
3155 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3156
3157 cp_if_changed $TMPH libavutil/avconfig.h
3158
3159 test -n "$WARNINGS" && printf "\n$WARNINGS"
3160
3161 # build pkg-config files
3162
3163 pkgconfig_generate(){
3164 name=$1
3165 shortname=${name#lib}${build_suffix}
3166 comment=$2
3167 version=$3
3168 libs=$4
3169 requires=$5
3170 cat <<EOF > $name/$name.pc
3171 prefix=$prefix
3172 exec_prefix=\${prefix}
3173 libdir=$libdir
3174 includedir=$incdir
3175
3176 Name: $name
3177 Description: $comment
3178 Version: $version
3179 Requires: $(enabled shared || echo $requires)
3180 Requires.private: $(enabled shared && echo $requires)
3181 Conflicts:
3182 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3183 Libs.private: $(enabled shared && echo $libs)
3184 Cflags: -I\${includedir}
3185 EOF
3186 cat <<EOF > $name/$name-uninstalled.pc
3187 prefix=
3188 exec_prefix=
3189 libdir=\${pcfiledir}
3190 includedir=${source_path}
3191
3192 Name: $name
3193 Description: $comment
3194 Version: $version
3195 Requires: $requires
3196 Conflicts:
3197 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3198 Cflags: -I\${includedir}
3199 EOF
3200 }
3201
3202 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3203 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3204 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3205 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3206 enabled avfilter &&
3207     pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3208 enabled postproc &&
3209     pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3210 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"