configure: fix sh_quote function
[ffmpeg.git] / configure
1 #!/bin/sh
2 #
3 # FFmpeg configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18     echo "Trying shell $1"
19     type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30     echo "Broken shell detected.  Trying alternatives."
31     export FF_CONF_EXEC
32     if test "0$FF_CONF_EXEC" -lt 1; then
33         FF_CONF_EXEC=1
34         try_exec bash "$0" "$@"
35     fi
36     if test "0$FF_CONF_EXEC" -lt 2; then
37         FF_CONF_EXEC=2
38         try_exec ksh "$0" "$@"
39     fi
40     if test "0$FF_CONF_EXEC" -lt 3; then
41         FF_CONF_EXEC=3
42         try_exec /usr/xpg4/bin/sh "$0" "$@"
43     fi
44     echo "No compatible shell script interpreter found."
45     echo "This configure script requires a POSIX-compatible shell"
46     echo "such as bash or ksh."
47     echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48     echo "Instead, install a working POSIX-compatible shell."
49     echo "Disabling this configure test will create a broken FFmpeg."
50     if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51         echo "This bash version ($BASH_VERSION) is broken on your platform."
52         echo "Upgrade to a later version if available."
53     fi
54     exit 1
55 fi
56
57 show_help(){
58 cat <<EOF
59 Usage: configure [options]
60 Options: [defaults in brackets after descriptions]
61
62 Standard options:
63   --help                   print this message
64   --logfile=FILE           log tests and output to FILE [config.log]
65   --disable-logging        do not log configure debug information
66   --prefix=PREFIX          install in PREFIX [$prefix]
67   --bindir=DIR             install binaries in DIR [PREFIX/bin]
68   --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
69   --libdir=DIR             install libs in DIR [PREFIX/lib]
70   --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
71   --incdir=DIR             install includes in DIR [PREFIX/include]
72   --mandir=DIR             install man page in DIR [PREFIX/share/man]
73
74 Configuration options:
75   --disable-static         do not build static libraries [no]
76   --enable-shared          build shared libraries [no]
77   --enable-gpl             allow use of GPL code, the resulting libs
78                            and binaries will be under GPL [no]
79   --enable-version3        upgrade (L)GPL to version 3 [no]
80   --enable-nonfree         allow use of nonfree code, the resulting libs
81                            and binaries will be unredistributable [no]
82   --disable-doc            do not build documentation
83   --disable-ffmpeg         disable ffmpeg build
84   --disable-ffplay         disable ffplay build
85   --disable-ffprobe        disable ffprobe build
86   --disable-ffserver       disable ffserver build
87   --disable-avdevice       disable libavdevice build
88   --disable-avcodec        disable libavcodec build
89   --disable-avcore         disable libavcore build
90   --disable-avformat       disable libavformat build
91   --disable-swscale        disable libswscale build
92   --enable-postproc        enable GPLed postprocessing support [no]
93   --disable-avfilter       disable video filter support [no]
94   --enable-avfilter-lavf   video filters dependent on avformat [no]
95   --disable-pthreads       disable pthreads [auto]
96   --enable-w32threads      use Win32 threads [no]
97   --enable-x11grab         enable X11 grabbing [no]
98   --disable-network        disable network support [no]
99   --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]
100   --enable-gray            enable full grayscale support (slower color)
101   --disable-swscale-alpha  disable alpha channel support in swscale
102   --disable-fastdiv        disable table-based division
103   --enable-small           optimize for size instead of speed
104   --disable-aandct         disable AAN DCT code
105   --disable-dct            disable DCT code
106   --disable-fft            disable FFT code
107   --disable-golomb         disable Golomb code
108   --disable-lpc            disable LPC code
109   --disable-mdct           disable MDCT code
110   --disable-rdft           disable RDFT code
111   --disable-vaapi          disable VAAPI code
112   --disable-vdpau          disable VDPAU code
113   --disable-dxva2          disable DXVA2 code
114   --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
115   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
116   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
117   --disable-everything     disable all components listed below
118   --disable-encoder=NAME   disable encoder NAME
119   --enable-encoder=NAME    enable encoder NAME
120   --disable-encoders       disable all encoders
121   --disable-decoder=NAME   disable decoder NAME
122   --enable-decoder=NAME    enable decoder NAME
123   --disable-decoders       disable all decoders
124   --disable-hwaccel=NAME   disable hwaccel NAME
125   --enable-hwaccel=NAME    enable hwaccel NAME
126   --disable-hwaccels       disable all hwaccels
127   --disable-muxer=NAME     disable muxer NAME
128   --enable-muxer=NAME      enable muxer NAME
129   --disable-muxers         disable all muxers
130   --disable-demuxer=NAME   disable demuxer NAME
131   --enable-demuxer=NAME    enable demuxer NAME
132   --disable-demuxers       disable all demuxers
133   --enable-parser=NAME     enable parser NAME
134   --disable-parser=NAME    disable parser NAME
135   --disable-parsers        disable all parsers
136   --enable-bsf=NAME        enable bitstream filter NAME
137   --disable-bsf=NAME       disable bitstream filter NAME
138   --disable-bsfs           disable all bitstream filters
139   --enable-protocol=NAME   enable protocol NAME
140   --disable-protocol=NAME  disable protocol NAME
141   --disable-protocols      disable all protocols
142   --disable-indev=NAME     disable input device NAME
143   --disable-outdev=NAME    disable output device NAME
144   --disable-indevs         disable input devices
145   --disable-outdevs        disable output devices
146   --disable-devices        disable all devices
147   --enable-filter=NAME     enable filter NAME
148   --disable-filter=NAME    disable filter NAME
149   --disable-filters        disable all filters
150   --list-decoders          show all available decoders
151   --list-encoders          show all available encoders
152   --list-hwaccels          show all available hardware accelerators
153   --list-muxers            show all available muxers
154   --list-demuxers          show all available demuxers
155   --list-parsers           show all available parsers
156   --list-protocols         show all available protocols
157   --list-bsfs              show all available bitstream filters
158   --list-indevs            show all available input devices
159   --list-outdevs           show all available output devices
160   --list-filters           show all available filters
161
162 External library support:
163   --enable-avisynth        enable reading of AVISynth script files [no]
164   --enable-bzlib           enable bzlib [autodetect]
165   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
166   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
167   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
168                            and libraw1394 [no]
169   --enable-libdirac        enable Dirac support via libdirac [no]
170   --enable-libfaac         enable FAAC support via libfaac [no]
171   --enable-libgsm          enable GSM support via libgsm [no]
172   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
173   --enable-libnut          enable NUT (de)muxing via libnut,
174                            native (de)muxer exists [no]
175   --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]
176   --enable-librtmp         enable RTMP[E] support via librtmp [no]
177   --enable-libschroedinger enable Dirac support via libschroedinger [no]
178   --enable-libspeex        enable Speex decoding via libspeex [no]
179   --enable-libtheora       enable Theora encoding via libtheora [no]
180   --enable-libvorbis       enable Vorbis encoding via libvorbis,
181                            native implementation exists [no]
182   --enable-libvpx          enable VP8 support via libvpx [no]
183   --enable-libx264         enable H.264 encoding via x264 [no]
184   --enable-libxavs         enable AVS encoding via xavs [no]
185   --enable-libxvid         enable Xvid encoding via xvidcore,
186                            native MPEG-4/Xvid encoder exists [no]
187   --enable-mlib            enable Sun medialib [no]
188   --enable-zlib            enable zlib [autodetect]
189
190 Advanced options (experts only):
191   --source-path=PATH       path to source code [$source_path]
192   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
193   --enable-cross-compile   assume a cross-compiler is used
194   --sysroot=PATH           root of cross-build tree
195   --sysinclude=PATH        location of cross-build system headers
196   --target-os=OS           compiler targets OS [$target_os]
197   --target-exec=CMD        command to run executables on target
198   --target-path=DIR        path to view of build directory on target
199   --nm=NM                  use nm tool
200   --ar=AR                  use archive tool AR [$ar_default]
201   --as=AS                  use assembler AS [$as_default]
202   --cc=CC                  use C compiler CC [$cc_default]
203   --ld=LD                  use linker LD
204   --host-cc=HOSTCC         use host C compiler HOSTCC
205   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
206   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
207   --host-libs=HLIBS        use libs HLIBS when linking for host
208   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
209   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
210   --extra-libs=ELIBS       add ELIBS [$ELIBS]
211   --extra-version=STRING   version string suffix []
212   --build-suffix=SUFFIX    library name suffix []
213   --arch=ARCH              select architecture [$arch]
214   --cpu=CPU                select the minimum required CPU (affects
215                            instruction selection, may crash on older CPUs)
216   --disable-asm            disable all assembler optimizations
217   --disable-altivec        disable AltiVec optimizations
218   --disable-amd3dnow       disable 3DNow! optimizations
219   --disable-amd3dnowext    disable 3DNow! extended optimizations
220   --disable-mmx            disable MMX optimizations
221   --disable-mmx2           disable MMX2 optimizations
222   --disable-sse            disable SSE optimizations
223   --disable-ssse3          disable SSSE3 optimizations
224   --disable-armv5te        disable armv5te optimizations
225   --disable-armv6          disable armv6 optimizations
226   --disable-armv6t2        disable armv6t2 optimizations
227   --disable-armvfp         disable ARM VFP optimizations
228   --disable-iwmmxt         disable iwmmxt optimizations
229   --disable-mmi            disable MMI optimizations
230   --disable-neon           disable neon optimizations
231   --disable-vis            disable VIS optimizations
232   --disable-yasm           disable use of yasm assembler
233   --enable-pic             build position-independent code
234   --malloc-prefix=PFX      prefix malloc and related names with PFX
235   --enable-sram            allow use of on-chip SRAM
236
237 Developer options (useful when working on FFmpeg itself):
238   --disable-debug          disable debugging symbols
239   --enable-debug=LEVEL     set the debug level [$debuglevel]
240   --disable-optimizations  disable compiler optimizations
241   --enable-extra-warnings  enable more compiler warnings
242   --disable-stripping      disable stripping of executables and shared libraries
243   --samples=PATH           location of test samples for FATE
244
245 NOTE: Object files are built at the place where configure is launched.
246 EOF
247   exit 0
248 }
249
250 quotes='""'
251
252 log(){
253     echo "$@" >> $logfile
254 }
255
256 log_file(){
257     log BEGIN $1
258     pr -n -t $1 >> $logfile
259     log END $1
260 }
261
262 echolog(){
263     log "$@"
264     echo "$@"
265 }
266
267 warn(){
268     log "WARNING: $*"
269     WARNINGS="${WARNINGS}WARNING: $*\n"
270 }
271
272 die(){
273     echolog "$@"
274     cat <<EOF
275
276 If you think configure made a mistake, make sure you are using the latest
277 version from SVN.  If the latest version fails, report the problem to the
278 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
279 EOF
280     if disabled logging; then
281         cat <<EOF
282 Rerun configure with logging enabled (do not use --disable-logging), and
283 include the log this produces with your report.
284 EOF
285     else
286 cat <<EOF
287 Include the log file "$logfile" produced by configure as this will help
288 solving the problem.
289 EOF
290     fi
291     exit 1
292 }
293
294 # Avoid locale weirdness, besides we really just want to translate ASCII.
295 toupper(){
296     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
297 }
298
299 tolower(){
300     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
301 }
302
303 c_escape(){
304     echo "$*" | sed 's/["\\]/\\\0/g'
305 }
306
307 sh_quote(){
308     v=$(echo "$1" | sed "s/'/'\\\\''/g")
309     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
310     echo "$v"
311 }
312
313 filter(){
314     pat=$1
315     shift
316     for v; do
317         eval "case $v in $pat) echo $v ;; esac"
318     done
319 }
320
321 map(){
322     m=$1
323     shift
324     for v; do eval $m; done
325 }
326
327 set_all(){
328     value=$1
329     shift
330     for var in $*; do
331         eval $var=$value
332     done
333 }
334
335 set_weak(){
336     value=$1
337     shift
338     for var; do
339         eval : \${$var:=$value}
340     done
341 }
342
343 pushvar(){
344     for var in $*; do
345         eval level=\${${var}_level:=0}
346         eval ${var}_${level}="\$$var"
347         eval ${var}_level=$(($level+1))
348     done
349 }
350
351 popvar(){
352     for var in $*; do
353         eval level=\${${var}_level:-0}
354         test $level = 0 && continue
355         eval level=$(($level-1))
356         eval $var="\${${var}_${level}}"
357         eval ${var}_level=$level
358         eval unset ${var}_${level}
359     done
360 }
361
362 enable(){
363     set_all yes $*
364 }
365
366 disable(){
367     set_all no $*
368 }
369
370 enable_weak(){
371     set_weak yes $*
372 }
373
374 disable_weak(){
375     set_weak no $*
376 }
377
378 enable_safe(){
379     for var; do
380         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
381     done
382 }
383
384 disable_safe(){
385     for var; do
386         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
387     done
388 }
389
390 do_enable_deep(){
391     for var; do
392         enabled $var && continue
393         eval sel="\$${var}_select"
394         eval sgs="\$${var}_suggest"
395         pushvar var sgs
396         enable_deep $sel
397         popvar sgs
398         enable_deep_weak $sgs
399         popvar var
400     done
401 }
402
403 enable_deep(){
404     do_enable_deep $*
405     enable $*
406 }
407
408 enable_deep_weak(){
409     do_enable_deep $*
410     enable_weak $*
411 }
412
413 enabled(){
414     test "${1#!}" = "$1" && op== || op=!=
415     eval test "x\$${1#!}" $op "xyes"
416 }
417
418 disabled(){
419     test "${1#!}" = "$1" && op== || op=!=
420     eval test "x\$${1#!}" $op "xno"
421 }
422
423 enabled_all(){
424     for opt; do
425         enabled $opt || return 1
426     done
427 }
428
429 disabled_all(){
430     for opt; do
431         disabled $opt || return 1
432     done
433 }
434
435 enabled_any(){
436     for opt; do
437         enabled $opt && return 0
438     done
439 }
440
441 disabled_any(){
442     for opt; do
443         disabled $opt && return 0
444     done
445     return 1
446 }
447
448 set_default(){
449     for opt; do
450         eval : \${$opt:=\$${opt}_default}
451     done
452 }
453
454 is_in(){
455     value=$1
456     shift
457     for var in $*; do
458         [ $var = $value ] && return 0
459     done
460     return 1
461 }
462
463 check_deps(){
464     for cfg; do
465         cfg="${cfg#!}"
466         enabled ${cfg}_checking && die "Circular dependency for $cfg."
467         disabled ${cfg}_checking && continue
468         enable ${cfg}_checking
469
470         eval dep_all="\$${cfg}_deps"
471         eval dep_any="\$${cfg}_deps_any"
472         eval dep_sel="\$${cfg}_select"
473         eval dep_sgs="\$${cfg}_suggest"
474         eval dep_ifa="\$${cfg}_if"
475         eval dep_ifn="\$${cfg}_if_any"
476
477         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
478         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
479         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
480
481         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
482         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
483         enabled_all  $dep_all || disable $cfg
484         enabled_any  $dep_any || disable $cfg
485         disabled_any $dep_sel && disable $cfg
486
487         if enabled $cfg; then
488             eval dep_extralibs="\$${cfg}_extralibs"
489             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
490             enable_deep $dep_sel
491             enable_deep_weak $dep_sgs
492         fi
493
494         disable ${cfg}_checking
495     done
496 }
497
498 print_config(){
499     pfx=$1
500     header=$2
501     makefile=$3
502     shift 3
503     for cfg; do
504         ucname="$(toupper $cfg)"
505         if enabled $cfg; then
506             echo "#define ${pfx}${ucname} 1" >> $header
507             echo "${pfx}${ucname}=yes" >> $makefile
508         else
509             echo "#define ${pfx}${ucname} 0" >> $header
510             echo "!${pfx}${ucname}=yes" >> $makefile
511         fi
512     done
513 }
514
515 print_enabled(){
516     test "$1" = -n && end=" " && shift || end="\n"
517     suf=$1
518     shift
519     for v; do
520         enabled $v && printf "%s$end" ${v%$suf};
521     done
522 }
523
524 append(){
525     var=$1
526     shift
527     eval "$var=\"\$$var $*\""
528 }
529
530 prepend(){
531     var=$1
532     shift
533     eval "$var=\"$* \$$var\""
534 }
535
536 add_cppflags(){
537     append CPPFLAGS $($filter_cppflags "$@")
538 }
539
540 add_cflags(){
541     append CFLAGS $($filter_cflags "$@")
542 }
543
544 add_asflags(){
545     append ASFLAGS $($filter_asflags "$@")
546 }
547
548 add_ldflags(){
549     append LDFLAGS "$@"
550 }
551
552 add_extralibs(){
553     prepend extralibs "$@"
554 }
555
556 check_cmd(){
557     log "$@"
558     "$@" >> $logfile 2>&1
559 }
560
561 check_cc(){
562     log check_cc "$@"
563     cat > $TMPC
564     log_file $TMPC
565     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
566 }
567
568 check_cpp(){
569     log check_cpp "$@"
570     cat > $TMPC
571     log_file $TMPC
572     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
573 }
574
575 check_as(){
576     log check_as "$@"
577     cat > $TMPC
578     log_file $TMPC
579     check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
580 }
581
582 check_asm(){
583     log check_asm "$@"
584     name="$1"
585     code="$2"
586     shift 2
587     disable $name
588     check_as "$@" <<EOF && enable $name
589 void foo(void){ __asm__ volatile($code); }
590 EOF
591 }
592
593 check_yasm(){
594     log check_yasm "$@"
595     echo "$1" > $TMPS
596     log_file $TMPS
597     shift 1
598     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
599 }
600
601 check_ld(){
602     log check_ld "$@"
603     flags=''
604     libs=''
605     for f; do
606         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
607     done
608     check_cc $($filter_cflags $flags) || return
609     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
610 }
611
612 check_cppflags(){
613     log check_cppflags "$@"
614     set -- $($filter_cppflags "$@")
615     check_cc "$@" <<EOF && append CPPFLAGS "$@"
616 int x;
617 EOF
618 }
619
620 check_cflags(){
621     log check_cflags "$@"
622     set -- $($filter_cflags "$@")
623     check_cc "$@" <<EOF && append CFLAGS "$@"
624 int x;
625 EOF
626 }
627
628 test_ldflags(){
629     log test_ldflags "$@"
630     check_ld "$@" <<EOF
631 int main(void){ return 0; }
632 EOF
633 }
634
635 check_ldflags(){
636     log check_ldflags "$@"
637     test_ldflags "$@" && add_ldflags "$@"
638 }
639
640 check_header(){
641     log check_header "$@"
642     header=$1
643     shift
644     disable_safe $header
645     check_cpp "$@" <<EOF && enable_safe $header
646 #include <$header>
647 int x;
648 EOF
649 }
650
651 check_func(){
652     log check_func "$@"
653     func=$1
654     shift
655     disable $func
656     check_ld "$@" <<EOF && enable $func
657 extern int $func();
658 int main(void){ $func(); }
659 EOF
660 }
661
662 check_mathfunc(){
663     log check_mathfunc "$@"
664     func=$1
665     shift
666     disable $func
667     check_ld "$@" <<EOF && enable $func
668 #include <math.h>
669 float foo(float f) { return $func(f); }
670 int main(void){ return 0; }
671 EOF
672 }
673
674 check_func_headers(){
675     log check_func_headers "$@"
676     headers=$1
677     func=$2
678     shift 2
679     disable $func
680     incs=""
681     for hdr in $headers; do
682         incs="$incs
683 #include <$hdr>"
684     done
685     check_ld "$@" <<EOF && enable $func && enable_safe $headers
686 $incs
687 int main(int argc, char **argv){
688     return (long) $func;
689 }
690 EOF
691 }
692
693 check_cpp_condition(){
694     log check_cpp_condition "$@"
695     header=$1
696     condition=$2
697     shift 2
698     check_cpp $($filter_cppflags "$@") <<EOF
699 #include <$header>
700 #if !($condition)
701 #error "unsatisfied condition: $condition"
702 #endif
703 EOF
704 }
705
706 check_lib(){
707     log check_lib "$@"
708     header="$1"
709     func="$2"
710     shift 2
711     check_header $header && check_func $func "$@" && add_extralibs "$@"
712 }
713
714 check_lib2(){
715     log check_lib2 "$@"
716     headers="$1"
717     func="$2"
718     shift 2
719     check_func_headers "$headers" $func "$@" && add_extralibs "$@"
720 }
721
722 check_exec(){
723     check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
724 }
725
726 check_exec_crash(){
727     code=$(cat)
728
729     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
730     # are safe but may not be available everywhere.  Thus we use
731     # raise(SIGTERM) instead.  The check is run in a subshell so we
732     # can redirect the "Terminated" message from the shell.  SIGBUS
733     # is not defined by standard C so it is used conditionally.
734
735     (check_exec "$@") >> $logfile 2>&1 <<EOF
736 #include <signal.h>
737 static void sighandler(int sig){
738     raise(SIGTERM);
739 }
740 int main(void){
741     signal(SIGILL, sighandler);
742     signal(SIGFPE, sighandler);
743     signal(SIGSEGV, sighandler);
744 #ifdef SIGBUS
745     signal(SIGBUS, sighandler);
746 #endif
747     { $code }
748 }
749 EOF
750 }
751
752 check_type(){
753     log check_type "$@"
754     headers=$1
755     type=$2
756     shift 2
757     disable_safe "$type"
758     incs=""
759     for hdr in $headers; do
760         incs="$incs
761 #include <$hdr>"
762     done
763     check_cc "$@" <<EOF && enable_safe "$type"
764 $incs
765 $type v;
766 EOF
767 }
768
769 check_struct(){
770     log check_type "$@"
771     headers=$1
772     struct=$2
773     member=$3
774     shift 3
775     disable_safe "${struct}_${member}"
776     incs=""
777     for hdr in $headers; do
778         incs="$incs
779 #include <$hdr>"
780     done
781     check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
782 $incs
783 const void *p = &(($struct *)0)->$member;
784 EOF
785 }
786
787 require(){
788     name="$1"
789     header="$2"
790     func="$3"
791     shift 3
792     check_lib $header $func "$@" || die "ERROR: $name not found"
793 }
794
795 require2(){
796     name="$1"
797     headers="$2"
798     func="$3"
799     shift 3
800     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
801 }
802
803 check_host_cc(){
804     log check_host_cc "$@"
805     cat > $TMPC
806     log_file $TMPC
807     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
808 }
809
810 check_host_cflags(){
811     log check_host_cflags "$@"
812     check_host_cc "$@" <<EOF && append host_cflags "$@"
813 int x;
814 EOF
815 }
816
817 apply(){
818     file=$1
819     shift
820     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
821 }
822
823 cp_if_changed(){
824     cmp -s "$1" "$2" &&
825         echo "$2 is unchanged" ||
826         cp -f "$1" "$2"
827 }
828
829 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
830 # system-dependent things.
831
832 COMPONENT_LIST="
833     bsfs
834     decoders
835     demuxers
836     encoders
837     filters
838     hwaccels
839     indevs
840     muxers
841     outdevs
842     parsers
843     protocols
844 "
845
846 CONFIG_LIST="
847     $COMPONENT_LIST
848     aandct
849     avcodec
850     avcore
851     avdevice
852     avfilter
853     avfilter_lavf
854     avformat
855     avisynth
856     bzlib
857     dct
858     doc
859     dwt
860     dxva2
861     fastdiv
862     ffmpeg
863     ffplay
864     ffprobe
865     ffserver
866     fft
867     golomb
868     gpl
869     gray
870     h264dsp
871     hardcoded_tables
872     libdc1394
873     libdirac
874     libfaac
875     libgsm
876     libmp3lame
877     libnut
878     libopencore_amrnb
879     libopencore_amrwb
880     libopenjpeg
881     librtmp
882     libschroedinger
883     libspeex
884     libtheora
885     libvorbis
886     libvpx
887     libx264
888     libxavs
889     libxvid
890     lpc
891     lsp
892     mdct
893     memalign_hack
894     mlib
895     mpegaudio_hp
896     network
897     nonfree
898     pic
899     postproc
900     rdft
901     runtime_cpudetect
902     shared
903     small
904     sram
905     static
906     swscale
907     swscale_alpha
908     vaapi
909     vdpau
910     version3
911     x11grab
912     zlib
913 "
914
915 THREADS_LIST='
916     pthreads
917     w32threads
918 '
919
920 ARCH_LIST='
921     alpha
922     arm
923     avr32
924     avr32_ap
925     avr32_uc
926     bfin
927     ia64
928     m68k
929     mips
930     mips64
931     parisc
932     ppc
933     ppc64
934     s390
935     sh4
936     sparc
937     sparc64
938     tomi
939     x86
940     x86_32
941     x86_64
942 '
943
944 ARCH_EXT_LIST='
945     altivec
946     amd3dnow
947     amd3dnowext
948     armv5te
949     armv6
950     armv6t2
951     armvfp
952     iwmmxt
953     mmi
954     mmx
955     mmx2
956     neon
957     ppc4xx
958     sse
959     ssse3
960     vis
961 '
962
963 HAVE_LIST_PUB='
964     bigendian
965     fast_unaligned
966 '
967
968 HAVE_LIST="
969     $ARCH_EXT_LIST
970     $HAVE_LIST_PUB
971     $THREADS_LIST
972     alsa_asoundlib_h
973     altivec_h
974     arpa_inet_h
975     attribute_may_alias
976     attribute_packed
977     bswap
978     closesocket
979     cmov
980     conio_h
981     dcbzl
982     dev_bktr_ioctl_bt848_h
983     dev_bktr_ioctl_meteor_h
984     dev_ic_bt8xx_h
985     dev_video_meteor_ioctl_meteor_h
986     dev_video_bktr_ioctl_bt848_h
987     dlfcn_h
988     dlopen
989     dos_paths
990     ebp_available
991     ebx_available
992     exp2
993     exp2f
994     fast_64bit
995     fast_clz
996     fast_cmov
997     fcntl
998     fork
999     getaddrinfo
1000     gethrtime
1001     GetProcessMemoryInfo
1002     GetProcessTimes
1003     getrusage
1004     gnu_as
1005     struct_rusage_ru_maxrss
1006     ibm_asm
1007     inet_aton
1008     inline_asm
1009     isatty
1010     ldbrx
1011     libdc1394_1
1012     libdc1394_2
1013     llrint
1014     llrintf
1015     local_aligned_16
1016     local_aligned_8
1017     log2
1018     log2f
1019     loongson
1020     lrint
1021     lrintf
1022     lzo1x_999_compress
1023     machine_ioctl_bt848_h
1024     machine_ioctl_meteor_h
1025     malloc_h
1026     memalign
1027     mkstemp
1028     pld
1029     posix_memalign
1030     round
1031     roundf
1032     sdl
1033     sdl_video_size
1034     setmode
1035     socklen_t
1036     soundcard_h
1037     poll_h
1038     setrlimit
1039     strerror_r
1040     struct_addrinfo
1041     struct_ipv6_mreq
1042     struct_sockaddr_in6
1043     struct_sockaddr_sa_len
1044     struct_sockaddr_storage
1045     symver
1046     symver_gnu_asm
1047     symver_asm_label
1048     sys_mman_h
1049     sys_resource_h
1050     sys_select_h
1051     sys_soundcard_h
1052     sys_videoio_h
1053     ten_operands
1054     termios_h
1055     threads
1056     truncf
1057     vfp_args
1058     VirtualAlloc
1059     winsock2_h
1060     xform_asm
1061     yasm
1062 "
1063
1064 # options emitted with CONFIG_ prefix but not available on command line
1065 CONFIG_EXTRA="
1066     avutil
1067     gplv3
1068     lgplv3
1069 "
1070
1071 CMDLINE_SELECT="
1072     $ARCH_EXT_LIST
1073     $CONFIG_LIST
1074     $THREADS_LIST
1075     asm
1076     cross_compile
1077     debug
1078     extra_warnings
1079     logging
1080     optimizations
1081     stripping
1082     yasm
1083 "
1084
1085 PATHS_LIST='
1086     bindir
1087     datadir
1088     incdir
1089     libdir
1090     mandir
1091     prefix
1092     shlibdir
1093 '
1094
1095 CMDLINE_SET="
1096     $PATHS_LIST
1097     ar
1098     arch
1099     as
1100     build_suffix
1101     cc
1102     cpu
1103     cross_prefix
1104     dep_cc
1105     extra_version
1106     host_cc
1107     host_cflags
1108     host_ldflags
1109     host_libs
1110     host_os
1111     ld
1112     logfile
1113     malloc_prefix
1114     nm
1115     samples
1116     source_path
1117     strip
1118     sysinclude
1119     sysroot
1120     target_exec
1121     target_os
1122     target_path
1123 "
1124
1125 CMDLINE_APPEND="
1126     extra_cflags
1127 "
1128
1129 # code dependency declarations
1130
1131 # architecture extensions
1132
1133 armv5te_deps="arm"
1134 armv6_deps="arm"
1135 armv6t2_deps="arm"
1136 armvfp_deps="arm"
1137 iwmmxt_deps="arm"
1138 neon_deps="arm"
1139
1140 mmi_deps="mips"
1141
1142 altivec_deps="ppc"
1143 ppc4xx_deps="ppc"
1144
1145 vis_deps="sparc"
1146
1147 x86_64_suggest="cmov fast_cmov"
1148 amd3dnow_deps="mmx"
1149 amd3dnowext_deps="amd3dnow"
1150 mmx_deps="x86"
1151 mmx2_deps="mmx"
1152 sse_deps="mmx"
1153 ssse3_deps="sse"
1154
1155 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1156 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1157 fast_unaligned_if_any="armv6 ppc x86"
1158
1159 need_memalign="altivec neon sse"
1160 inline_asm_deps="!tms470"
1161
1162 symver_if_any="symver_asm_label symver_gnu_asm"
1163
1164 # subsystems
1165 dct_select="rdft"
1166 mdct_select="fft"
1167 rdft_select="fft"
1168
1169 # decoders / encoders / hardware accelerators
1170 aac_decoder_select="mdct rdft"
1171 aac_encoder_select="mdct"
1172 ac3_decoder_select="mdct ac3_parser"
1173 alac_encoder_select="lpc"
1174 amrnb_decoder_select="lsp"
1175 atrac1_decoder_select="mdct"
1176 atrac3_decoder_select="mdct"
1177 binkaudio_dct_decoder_select="mdct rdft dct"
1178 binkaudio_rdft_decoder_select="mdct rdft"
1179 cavs_decoder_select="golomb"
1180 cook_decoder_select="mdct"
1181 cscd_decoder_suggest="zlib"
1182 dca_decoder_select="mdct"
1183 dnxhd_encoder_select="aandct"
1184 dxa_decoder_select="zlib"
1185 eac3_decoder_select="ac3_decoder"
1186 eamad_decoder_select="aandct"
1187 eatgq_decoder_select="aandct"
1188 eatqi_decoder_select="aandct"
1189 ffv1_decoder_select="golomb"
1190 flac_decoder_select="golomb"
1191 flac_encoder_select="golomb lpc"
1192 flashsv_decoder_select="zlib"
1193 flashsv_encoder_select="zlib"
1194 flv_decoder_select="h263_decoder"
1195 flv_encoder_select="h263_encoder"
1196 h261_encoder_select="aandct"
1197 h263_decoder_select="h263_parser"
1198 h263_encoder_select="aandct"
1199 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1200 h263i_decoder_select="h263_decoder"
1201 h263p_encoder_select="h263_encoder"
1202 h264_decoder_select="golomb h264dsp"
1203 h264_dxva2_hwaccel_deps="dxva2api_h"
1204 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1205 h264_vaapi_hwaccel_select="vaapi"
1206 h264_vdpau_decoder_select="vdpau h264_decoder"
1207 imc_decoder_select="fft mdct"
1208 jpegls_decoder_select="golomb"
1209 jpegls_encoder_select="golomb"
1210 ljpeg_encoder_select="aandct"
1211 loco_decoder_select="golomb"
1212 mjpeg_encoder_select="aandct"
1213 mlp_decoder_select="mlp_parser"
1214 mp1float_decoder_select="dct"
1215 mp2float_decoder_select="dct"
1216 mp3adufloat_decoder_select="dct"
1217 mp3float_decoder_select="dct"
1218 mp3on4float_decoder_select="dct"
1219 mpeg1video_encoder_select="aandct"
1220 mpeg2video_encoder_select="aandct"
1221 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1222 mpeg4_encoder_select="h263_encoder"
1223 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1224 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1225 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1226 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1227 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1228 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1229 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1230 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1231 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1232 msmpeg4v1_decoder_select="h263_decoder"
1233 msmpeg4v1_encoder_select="h263_encoder"
1234 msmpeg4v2_decoder_select="h263_decoder"
1235 msmpeg4v2_encoder_select="h263_encoder"
1236 msmpeg4v3_decoder_select="h263_decoder"
1237 msmpeg4v3_encoder_select="h263_encoder"
1238 nellymoser_decoder_select="mdct"
1239 nellymoser_encoder_select="mdct"
1240 png_decoder_select="zlib"
1241 png_encoder_select="zlib"
1242 qcelp_decoder_select="lsp"
1243 qdm2_decoder_select="mdct rdft"
1244 ra_144_encoder_select="lpc"
1245 rv10_decoder_select="h263_decoder"
1246 rv10_encoder_select="h263_encoder"
1247 rv20_decoder_select="h263_decoder"
1248 rv20_encoder_select="h263_encoder"
1249 rv30_decoder_select="golomb h264dsp"
1250 rv40_decoder_select="golomb h264dsp"
1251 shorten_decoder_select="golomb"
1252 sipr_decoder_select="lsp"
1253 snow_decoder_select="dwt"
1254 snow_encoder_select="aandct dwt"
1255 sonic_decoder_select="golomb"
1256 sonic_encoder_select="golomb"
1257 sonic_ls_encoder_select="golomb"
1258 svq1_encoder_select="aandct"
1259 svq3_decoder_select="golomb h264dsp"
1260 svq3_decoder_suggest="zlib"
1261 theora_decoder_select="vp3_decoder"
1262 tiff_decoder_suggest="zlib"
1263 tiff_encoder_suggest="zlib"
1264 truehd_decoder_select="mlp_decoder"
1265 tscc_decoder_select="zlib"
1266 twinvq_decoder_select="mdct lsp"
1267 vc1_decoder_select="h263_decoder"
1268 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1269 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1270 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1271 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1272 vorbis_decoder_select="mdct"
1273 vorbis_encoder_select="mdct"
1274 vp6a_decoder_select="vp6_decoder"
1275 vp6f_decoder_select="vp6_decoder"
1276 vp8_decoder_select="h264dsp"
1277 wmapro_decoder_select="mdct"
1278 wmav1_decoder_select="mdct"
1279 wmav1_encoder_select="mdct"
1280 wmav2_decoder_select="mdct"
1281 wmav2_encoder_select="mdct"
1282 wmavoice_decoder_select="lsp rdft dct mdct"
1283 wmv1_decoder_select="h263_decoder"
1284 wmv1_encoder_select="h263_encoder"
1285 wmv2_decoder_select="h263_decoder"
1286 wmv2_encoder_select="h263_encoder"
1287 wmv3_decoder_select="vc1_decoder"
1288 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1289 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1290 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1291 zlib_decoder_select="zlib"
1292 zlib_encoder_select="zlib"
1293 zmbv_decoder_select="zlib"
1294 zmbv_encoder_select="zlib"
1295
1296 vaapi_deps="va_va_h"
1297 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1298
1299 # parsers
1300 h264_parser_select="golomb h264dsp"
1301
1302 # external libraries
1303 libdirac_decoder_deps="libdirac !libschroedinger"
1304 libdirac_encoder_deps="libdirac"
1305 libfaac_encoder_deps="libfaac"
1306 libgsm_decoder_deps="libgsm"
1307 libgsm_encoder_deps="libgsm"
1308 libgsm_ms_decoder_deps="libgsm"
1309 libgsm_ms_encoder_deps="libgsm"
1310 libmp3lame_encoder_deps="libmp3lame"
1311 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1312 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1313 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1314 libopenjpeg_decoder_deps="libopenjpeg"
1315 libschroedinger_decoder_deps="libschroedinger"
1316 libschroedinger_encoder_deps="libschroedinger"
1317 libspeex_decoder_deps="libspeex"
1318 libtheora_encoder_deps="libtheora"
1319 libvorbis_encoder_deps="libvorbis"
1320 libvpx_decoder_deps="libvpx"
1321 libvpx_encoder_deps="libvpx"
1322 libx264_encoder_deps="libx264"
1323 libxavs_encoder_deps="libxavs"
1324 libxvid_encoder_deps="libxvid"
1325
1326 # demuxers / muxers
1327 ac3_demuxer_deps="ac3_parser"
1328 asf_stream_muxer_select="asf_muxer"
1329 avisynth_demuxer_deps="avisynth"
1330 dirac_demuxer_deps="dirac_parser"
1331 eac3_demuxer_select="ac3_parser"
1332 ipod_muxer_select="mov_muxer"
1333 libnut_demuxer_deps="libnut"
1334 libnut_muxer_deps="libnut"
1335 matroska_audio_muxer_select="matroska_muxer"
1336 matroska_demuxer_suggest="zlib bzlib"
1337 mov_demuxer_suggest="zlib"
1338 mp3_demuxer_deps="mpegaudio_parser"
1339 mp4_muxer_select="mov_muxer"
1340 mpegtsraw_demuxer_select="mpegts_demuxer"
1341 mxf_d10_muxer_select="mxf_muxer"
1342 ogg_demuxer_select="golomb"
1343 psp_muxer_select="mov_muxer"
1344 rtsp_demuxer_deps="sdp_demuxer"
1345 rtsp_muxer_deps="sdp_demuxer"
1346 rtsp_muxer_select="rtp_muxer"
1347 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1348 sdp_demuxer_select="asf_demuxer rm_demuxer"
1349 spdif_muxer_select="aac_parser"
1350 tg2_muxer_select="mov_muxer"
1351 tgp_muxer_select="mov_muxer"
1352 w64_demuxer_deps="wav_demuxer"
1353
1354 # indevs / outdevs
1355 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1356 alsa_indev_extralibs="-lasound"
1357 alsa_outdev_deps="alsa_asoundlib_h"
1358 alsa_outdev_extralibs="-lasound"
1359 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1360 dv1394_indev_deps="dv1394 dv_demuxer"
1361 jack_indev_deps="jack_jack_h"
1362 jack_indev_extralibs="-ljack"
1363 libdc1394_indev_deps="libdc1394"
1364 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1365 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1366 v4l_indev_deps="linux_videodev_h"
1367 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1368 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1369 vfwcap_indev_extralibs="-lavicap32"
1370 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1371 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1372
1373 # protocols
1374 gopher_protocol_deps="network"
1375 http_protocol_deps="network"
1376 http_protocol_select="tcp_protocol"
1377 mmst_protocol_deps="network"
1378 rtmp_protocol_select="tcp_protocol"
1379 rtp_protocol_select="udp_protocol"
1380 tcp_protocol_deps="network"
1381 udp_protocol_deps="network"
1382
1383 # filters
1384 movie_filter_deps="avfilter_lavf"
1385 avfilter_lavf_deps="avformat"
1386
1387 # libraries
1388 avdevice_deps="avcodec avformat"
1389 avformat_deps="avcodec"
1390
1391 # programs
1392 ffmpeg_deps="avcodec avformat swscale"
1393 ffmpeg_select="buffer_filter"
1394 ffplay_deps="avcodec avformat swscale sdl"
1395 ffplay_select="rdft"
1396 ffprobe_deps="avcodec avformat"
1397 ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1398 ffserver_extralibs='$ldl'
1399
1400 doc_deps="texi2html"
1401
1402 # tests
1403
1404 test_deps(){
1405     suf1=$1
1406     suf2=$2
1407     shift 2
1408     for v; do
1409         dep=${v%=*}
1410         tests=${v#*=}
1411         for name in ${tests}; do
1412             eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1413         done
1414     done
1415 }
1416
1417 test_deps _encoder _decoder                                             \
1418     ac3                                                                 \
1419     adpcm_g726=g726                                                     \
1420     adpcm_ima_qt                                                        \
1421     adpcm_ima_wav                                                       \
1422     adpcm_ms                                                            \
1423     adpcm_swf                                                           \
1424     adpcm_yamaha=adpcm_yam                                              \
1425     alac                                                                \
1426     asv1                                                                \
1427     asv2                                                                \
1428     bmp                                                                 \
1429     dnxhd="hdxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1430     dvvideo="dv dv50"                                                   \
1431     ffv1                                                                \
1432     flac                                                                \
1433     flashsv                                                             \
1434     flv                                                                 \
1435     gif                                                                 \
1436     h261                                                                \
1437     h263="h263 h263p"                                                   \
1438     huffyuv                                                             \
1439     jpegls                                                              \
1440     mjpeg="jpg mjpeg ljpeg"                                             \
1441     mp2                                                                 \
1442     mpeg1video="mpeg mpeg1b"                                            \
1443     mpeg2video="mpeg2 mpeg2thread"                                      \
1444     mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc"                 \
1445     msmpeg4v3=msmpeg4                                                   \
1446     msmpeg4v2                                                           \
1447     pbm=pbmpipe                                                         \
1448     pcx                                                                 \
1449     pgm="pgm pgmpipe"                                                   \
1450     ppm="ppm ppmpipe"                                                   \
1451     rawvideo="rgb yuv"                                                  \
1452     roq                                                                 \
1453     rv10                                                                \
1454     rv20                                                                \
1455     sgi                                                                 \
1456     snow="snow snowll"                                                  \
1457     svq1                                                                \
1458     targa=tga                                                           \
1459     tiff                                                                \
1460     wmav1                                                               \
1461     wmav2                                                               \
1462     wmv1                                                                \
1463     wmv2                                                                \
1464
1465 test_deps _muxer _demuxer                                               \
1466     aiff                                                                \
1467     pcm_alaw=alaw                                                       \
1468     asf                                                                 \
1469     au                                                                  \
1470     avi                                                                 \
1471     dv=dv_fmt                                                           \
1472     ffm                                                                 \
1473     flv=flv_fmt                                                         \
1474     gxf                                                                 \
1475     matroska=mkv                                                        \
1476     mmf                                                                 \
1477     mov                                                                 \
1478     pcm_mulaw=mulaw                                                     \
1479     mxf                                                                 \
1480     nut                                                                 \
1481     ogg                                                                 \
1482     rawvideo=pixfmt                                                     \
1483     rm                                                                  \
1484     swf                                                                 \
1485     mpegts=ts                                                           \
1486     voc                                                                 \
1487     wav                                                                 \
1488     yuv4mpegpipe=yuv4mpeg                                               \
1489
1490 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1491 pixdesc_be_test_deps="bigendian"
1492 pixdesc_le_test_deps="!bigendian"
1493
1494 # default parameters
1495
1496 logfile="config.log"
1497
1498 # installation paths
1499 prefix_default="/usr/local"
1500 bindir_default='${prefix}/bin'
1501 datadir_default='${prefix}/share/ffmpeg'
1502 incdir_default='${prefix}/include'
1503 libdir_default='${prefix}/lib'
1504 mandir_default='${prefix}/share/man'
1505 shlibdir_default="$libdir_default"
1506
1507 # toolchain
1508 ar_default="ar"
1509 cc_default="gcc"
1510 cc_version=\"unknown\"
1511 host_cc_default="gcc"
1512 ln_s="ln -sf"
1513 nm_default="nm"
1514 objformat="elf"
1515 ranlib="ranlib"
1516 strip_default="strip"
1517 yasmexe="yasm"
1518 nogas=":"
1519
1520 nm_opts='-g'
1521
1522 # machine
1523 arch_default=$(uname -m)
1524 cpu="generic"
1525
1526 # OS
1527 target_os_default=$(tolower $(uname -s))
1528 host_os=$target_os_default
1529
1530 # configurable options
1531 enable avcodec
1532 enable avcore
1533 enable avdevice
1534 enable avfilter
1535 enable avformat
1536 enable avutil
1537 enable asm
1538 enable debug
1539 enable doc
1540 enable fastdiv
1541 enable ffmpeg
1542 enable ffplay
1543 enable ffprobe
1544 enable ffserver
1545 enable mpegaudio_hp
1546 enable network
1547 enable optimizations
1548 enable protocols
1549 enable static
1550 enable stripping
1551 enable swscale
1552 enable swscale_alpha
1553
1554 # build settings
1555 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1556 FFSERVERLDFLAGS=-Wl,-E
1557 LIBPREF="lib"
1558 LIBSUF=".a"
1559 FULLNAME='$(NAME)$(BUILDSUF)'
1560 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1561 SLIBPREF="lib"
1562 SLIBSUF=".so"
1563 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1564 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1565 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1566 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1567
1568 CC_O='-o $@'
1569
1570 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1571 host_libs='-lm'
1572
1573 target_path='$(CURDIR)'
1574
1575 # since the object filename is not given with the -MM flag, the compiler
1576 # is only able to print the basename, and we must add the path ourselves
1577 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1578 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1579
1580 # find source path
1581 source_path="$(dirname "$0")"
1582 enable source_path_used
1583 if test -f configure; then
1584     source_path="$(pwd)"
1585     disable source_path_used
1586 else
1587     source_path="$(cd "$source_path"; pwd)"
1588     echo "$source_path" | grep -q '[[:blank:]]' &&
1589         die "Out of tree builds are impossible with whitespace in source path."
1590     test -e "$source_path/config.h" &&
1591         die "Out of tree builds are impossible with config.h in source dir."
1592 fi
1593
1594 for v in "$@"; do
1595     r=${v#*=}
1596     l=${v%"$r"}
1597     r=$(sh_quote "$r")
1598     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1599 done
1600
1601 find_things(){
1602     thing=$1
1603     pattern=$2
1604     file=$source_path/$3
1605     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1606 }
1607
1608 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1609 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1610 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1611 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1612 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1613 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1614 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1615 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1616 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1617 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1618 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1619
1620 find_tests(){
1621     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1622 }
1623
1624 ACODEC_TESTS=$(find_tests acodec)
1625 VCODEC_TESTS=$(find_tests vsynth1)
1626 LAVF_TESTS=$(find_tests lavf)
1627 LAVFI_TESTS=$(find_tests lavfi)
1628 SEEK_TESTS=$(find_tests seek seek_)
1629
1630 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1631
1632 for n in $COMPONENT_LIST; do
1633     v=$(toupper ${n%s})_LIST
1634     eval enable \$$v
1635     eval ${n}_if_any="\$$v"
1636 done
1637
1638 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1639
1640 die_unknown(){
1641     echo "Unknown option \"$1\"."
1642     echo "See $0 --help for available options."
1643     exit 1
1644 }
1645
1646 show_list() {
1647     suffix=_$1
1648     shift
1649     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1650     exit 0
1651 }
1652
1653 for opt do
1654     optval="${opt#*=}"
1655     case "$opt" in
1656     --extra-ldflags=*) add_ldflags $optval
1657     ;;
1658     --extra-libs=*) add_extralibs $optval
1659     ;;
1660     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1661     ;;
1662     --enable-debug=*) debuglevel="$optval"
1663     ;;
1664     --disable-everything)
1665     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1666     ;;
1667     --enable-*=*|--disable-*=*)
1668     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1669     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1670     eval list=\$$(toupper $thing)_LIST
1671     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1672     $action $(filter "$name" $list)
1673     ;;
1674     --enable-?*|--disable-?*)
1675     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1676     if is_in $option $COMPONENT_LIST; then
1677         test $action = disable && action=unset
1678         eval $action \$$(toupper ${option%s})_LIST
1679     elif is_in $option $CMDLINE_SELECT; then
1680         $action $option
1681     else
1682         die_unknown $opt
1683     fi
1684     ;;
1685     --list-*)
1686         NAME="${opt#--list-}"
1687         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1688         NAME=${NAME%s}
1689         eval show_list $NAME \$$(toupper $NAME)_LIST
1690     ;;
1691     --help|-h) show_help
1692     ;;
1693     *)
1694     optname="${opt%%=*}"
1695     optname="${optname#--}"
1696     optname=$(echo "$optname" | sed 's/-/_/g')
1697     if is_in $optname $CMDLINE_SET; then
1698         eval $optname='$optval'
1699     elif is_in $optname $CMDLINE_APPEND; then
1700         append $optname "$optval"
1701     else
1702          die_unknown $opt
1703     fi
1704     ;;
1705     esac
1706 done
1707
1708 disabled logging && logfile=/dev/null
1709
1710 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1711 set >> $logfile
1712
1713 test -n "$cross_prefix" && enable cross_compile
1714
1715 if enabled cross_compile; then
1716     test -n "$arch" && test -n "$target_os" ||
1717         die "Must specify target arch and OS when cross-compiling"
1718 fi
1719
1720 set_default arch target_os
1721
1722 ar_default="${cross_prefix}${ar_default}"
1723 cc_default="${cross_prefix}${cc_default}"
1724 nm_default="${cross_prefix}${nm_default}"
1725 ranlib="${cross_prefix}${ranlib}"
1726 strip_default="${cross_prefix}${strip_default}"
1727
1728 sysinclude_default="${sysroot}/usr/include"
1729
1730 set_default cc nm strip sysinclude
1731 enabled cross_compile || host_cc_default=$cc
1732 set_default host_cc
1733
1734 exesuf() {
1735     case $1 in
1736         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1737     esac
1738 }
1739
1740 EXESUF=$(exesuf $target_os)
1741 HOSTEXESUF=$(exesuf $host_os)
1742
1743 # set temporary file name
1744 : ${TMPDIR:=$TEMPDIR}
1745 : ${TMPDIR:=$TMP}
1746 : ${TMPDIR:=/tmp}
1747
1748 if ! check_cmd type mktemp; then
1749     # simple replacement for missing mktemp
1750     # NOT SAFE FOR GENERAL USE
1751     mktemp(){
1752         echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1753     }
1754 fi
1755
1756 tmpfile(){
1757     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1758         (set -C; exec > $tmp) 2>/dev/null ||
1759         die "Unable to create temporary file in $TMPDIR."
1760     append TMPFILES $tmp
1761     eval $1=$tmp
1762 }
1763
1764 trap 'rm -f -- $TMPFILES' EXIT
1765 trap exit HUP INT TERM
1766
1767 tmpfile TMPC  .c
1768 tmpfile TMPE  $EXESUF
1769 tmpfile TMPH  .h
1770 tmpfile TMPO  .o
1771 tmpfile TMPS  .S
1772 tmpfile TMPV  .ver
1773 tmpfile TMPSH .sh
1774
1775 unset -f mktemp
1776
1777 # make sure we can execute files in $TMPDIR
1778 cat > $TMPSH 2>> $logfile <<EOF
1779 #! /bin/sh
1780 EOF
1781 chmod +x $TMPSH >> $logfile 2>&1
1782 if ! $TMPSH >> $logfile 2>&1; then
1783     cat <<EOF
1784 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1785 variable to another directory and make sure that it is not mounted noexec.
1786 EOF
1787     die "Sanity test failed."
1788 fi
1789
1790 filter_cflags=echo
1791 filter_cppflags=echo
1792 filter_asflags=echo
1793
1794 if   $cc -v 2>&1 | grep -qi ^gcc; then
1795     cc_type=gcc
1796     cc_version=__VERSION__
1797     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1798     cc_ident="gcc $($cc -dumpversion) $gcc_extra_ver"
1799     if ! $cc -dumpversion | grep -q '^2\.'; then
1800         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1801         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1802     fi
1803     speed_cflags='-O3'
1804     size_cflags='-Os'
1805 elif $cc --version 2>/dev/null | grep -q Intel; then
1806     cc_type=icc
1807     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1808     cc_ident=$($cc --version | head -n1)
1809     CC_DEPFLAGS='-MMD'
1810     AS_DEPFLAGS='-MMD'
1811     speed_cflags='-O3'
1812     size_cflags='-Os'
1813     noopt_cflags='-O1'
1814 elif $cc -v 2>&1 | grep -q xlc; then
1815     cc_type=xlc
1816     cc_version="AV_STRINGIFY(__IBMC__)"
1817     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1818     speed_cflags='-O5'
1819     size_cflags='-O5 -qcompact'
1820 elif $cc -V 2>/dev/null | grep -q Compaq; then
1821     cc_type=ccc
1822     cc_version="AV_STRINGIFY(__DECC_VER)"
1823     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1824     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1825     debuglevel=3
1826     add_ldflags -Wl,-z,now # calls to libots crash without this
1827     speed_cflags='-fast'
1828     size_cflags='-O1'
1829 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1830     test -d "$sysroot" || die "No valid sysroot specified."
1831     cc_type=armcc
1832     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1833     cc_ident=$($cc --vsn | head -n1)
1834     armcc_conf="$PWD/armcc.conf"
1835     $cc --arm_linux_configure                 \
1836         --arm_linux_config_file="$armcc_conf" \
1837         --configure_sysroot="$sysroot"        \
1838         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1839         die "Error creating armcc configuration file."
1840     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1841     as_default="${cross_prefix}gcc"
1842     CC_DEPFLAGS='-MMD'
1843     AS_DEPFLAGS='-MMD'
1844     speed_cflags='-O3'
1845     size_cflags='-Os'
1846 elif $cc -version 2>/dev/null | grep -q TMS470; then
1847     cc_type=tms470
1848     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1849     cc_ident=$($cc -version | head -n1 | tr -s ' ')
1850     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1851     CC_O='-fr=$(@D)'
1852     as_default="${cross_prefix}gcc"
1853     ld_default="${cross_prefix}gcc"
1854     TMPO=$(basename $TMPC .c).o
1855     append TMPFILES $TMPO
1856     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1857     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1858     AS_DEPFLAGS='-MMD'
1859     speed_cflags='-O3 -mf=5'
1860     size_cflags='-O3 -mf=2'
1861     filter_cflags=tms470_flags
1862     tms470_flags(){
1863         for flag; do
1864             case $flag in
1865                 -march=*|-mcpu=*)
1866                     case "${flag#*=}" in
1867                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
1868                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
1869                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
1870                         armv6*|arm11*)          echo -mv=6   ;;
1871                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1872                                                 echo -mv=5e  ;;
1873                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1874                     esac
1875                     ;;
1876                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1877                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
1878                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
1879                 -msoft-float)   echo --float_support=vfplib       ;;
1880                 -O[0-3]|-mf=*)  echo $flag                        ;;
1881                 -g)             echo -g -mn                       ;;
1882                 -pds=*)         echo $flag                        ;;
1883             esac
1884         done
1885     }
1886 elif $cc -v 2>&1 | grep -q clang; then
1887     cc_type=clang
1888     $cc -dM -E $TMPC | grep -q __clang_version__ &&
1889         cc_version=__clang_version__ || cc_version=__VERSION__
1890     cc_ident=$($cc --version | head -n1)
1891     CC_DEPFLAGS='-MMD'
1892     AS_DEPFLAGS='-MMD'
1893     speed_cflags='-O3'
1894     size_cflags='-Os'
1895 elif $cc -V 2>&1 | grep -q Sun; then
1896     cc_type=suncc
1897     cc_version="AV_STRINGIFY(__SUNPRO_C)"
1898     cc_ident=$($cc -V | head -n1)
1899     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1900     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1901     speed_cflags='-O5'
1902     size_cflags='-O5 -xspace'
1903     filter_cflags=suncc_flags
1904     suncc_flags(){
1905         for flag; do
1906             case $flag in
1907                 -march=*|-mcpu=*)
1908                     case "${flag#*=}" in
1909                         native)                   echo -xtarget=native       ;;
1910                         v9|niagara)               echo -xarch=sparc          ;;
1911                         ultrasparc)               echo -xarch=sparcvis       ;;
1912                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
1913                         i586|pentium)             echo -xchip=pentium        ;;
1914                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
1915                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
1916                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
1917                         pentium4*)          echo -xtarget=pentium4           ;;
1918                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
1919                         *-sse3)             echo -xarch=sse3                 ;;
1920                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
1921                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
1922                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
1923                         k8|opteron|athlon64|athlon-fx)
1924                                                   echo -xarch=sse2a          ;;
1925                         athlon*)                  echo -xarch=pentium_proa   ;;
1926                     esac
1927                     ;;
1928                 -std=c99)             echo -xc99              ;;
1929                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
1930                 -fPIC)                echo -KPIC -xcode=pic32 ;;
1931                 -W*,*)                echo $flag              ;;
1932                 -f*-*|-W*)                                    ;;
1933                 *)                    echo $flag              ;;
1934             esac
1935         done
1936     }
1937 fi
1938
1939 test -n "$cc_type" && enable $cc_type ||
1940     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
1941
1942 : ${as_default:=$cc}
1943 : ${dep_cc_default:=$cc}
1944 : ${ld_default:=$cc}
1945 set_default ar as dep_cc ld
1946
1947 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1948 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1949
1950 add_cflags $extra_cflags
1951 add_asflags $extra_cflags
1952
1953 if test -n "$sysroot"; then
1954     case "$cc_type" in
1955         gcc)
1956             add_cppflags --sysroot="$sysroot"
1957             add_ldflags --sysroot="$sysroot"
1958         ;;
1959         tms470)
1960             add_cppflags -I"$sysinclude"
1961             add_ldflags  --sysroot="$sysroot"
1962         ;;
1963         clang)
1964             add_cppflags -isysroot "$sysroot"
1965             add_ldflags -isysroot "$sysroot"
1966         ;;
1967     esac
1968 fi
1969
1970 if test "$cpu" = host; then
1971     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1972
1973     case "$cc_type" in
1974         gcc)
1975             check_native(){
1976                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1977                 sed -n "/$1=/{
1978                             s/.*$1=\\([^ ]*\\).*/\\1/
1979                             p
1980                             q
1981                         }" $TMPE
1982             }
1983             cpu=$(check_native -march || check_native -mcpu)
1984         ;;
1985     esac
1986
1987     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1988 fi
1989
1990 # Deal with common $arch aliases
1991 case "$arch" in
1992     arm*)
1993         arch="arm"
1994     ;;
1995     mips|mipsel|IP*)
1996         arch="mips"
1997     ;;
1998     mips64*)
1999         arch="mips"
2000         subarch="mips64"
2001     ;;
2002     parisc|hppa)
2003         arch="parisc"
2004     ;;
2005     parisc64|hppa64)
2006         arch="parisc"
2007         subarch="parisc64"
2008     ;;
2009     "Power Macintosh"|ppc|powerpc)
2010         arch="ppc"
2011     ;;
2012     ppc64|powerpc64)
2013         arch="ppc"
2014         subarch="ppc64"
2015     ;;
2016     s390|s390x)
2017         arch="s390"
2018     ;;
2019     sh4|sh)
2020         arch="sh4"
2021     ;;
2022     sun4u|sparc64)
2023         arch="sparc"
2024         subarch="sparc64"
2025     ;;
2026     i[3-6]86|i86pc|BePC|x86_64|amd64)
2027         arch="x86"
2028     ;;
2029 esac
2030
2031 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2032 enable $arch
2033
2034 # Add processor-specific flags
2035 if test "$cpu" = generic; then
2036     : do nothing
2037 elif enabled ppc; then
2038
2039     case $(tolower $cpu) in
2040         601|ppc601|powerpc601)
2041             cpuflags="-mcpu=601"
2042             disable altivec
2043         ;;
2044         603*|ppc603*|powerpc603*)
2045             cpuflags="-mcpu=603"
2046             disable altivec
2047         ;;
2048         604*|ppc604*|powerpc604*)
2049             cpuflags="-mcpu=604"
2050             disable altivec
2051         ;;
2052         g3|75*|ppc75*|powerpc75*)
2053             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2054             disable altivec
2055         ;;
2056         g4|745*|ppc745*|powerpc745*)
2057             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2058         ;;
2059         74*|ppc74*|powerpc74*)
2060             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2061         ;;
2062         g5|970|ppc970|powerpc970|power4*)
2063             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2064         ;;
2065         cell)
2066             cpuflags="-mcpu=cell"
2067             enable ldbrx
2068         ;;
2069         e500v2)
2070             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2071             disable altivec
2072         ;;
2073         e500)
2074             cpuflags="-mcpu=8540 -mhard-float"
2075             disable altivec
2076         ;;
2077     esac
2078
2079 elif enabled x86; then
2080
2081     case $cpu in
2082         i[345]86|pentium)
2083             cpuflags="-march=$cpu"
2084             disable mmx
2085         ;;
2086         # targets that do NOT support conditional mov (cmov)
2087         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2088             cpuflags="-march=$cpu"
2089             disable cmov
2090         ;;
2091         # targets that do support conditional mov (cmov)
2092         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona)
2093             cpuflags="-march=$cpu"
2094             enable cmov
2095             enable fast_cmov
2096         ;;
2097         # targets that do support conditional mov but on which it's slow
2098         pentium4|pentium4m|prescott|nocona)
2099             cpuflags="-march=$cpu"
2100             enable cmov
2101             disable fast_cmov
2102         ;;
2103     esac
2104
2105 elif enabled sparc; then
2106
2107     case $cpu in
2108         niagara)
2109             cpuflags="-mcpu=$cpu"
2110             disable vis
2111         ;;
2112         sparc64)
2113             cpuflags="-mcpu=v9"
2114         ;;
2115     esac
2116
2117 elif enabled arm; then
2118
2119     case $cpu in
2120         armv*)
2121             cpuflags="-march=$cpu"
2122         ;;
2123         *)
2124             cpuflags="-mcpu=$cpu"
2125         ;;
2126     esac
2127
2128 elif enabled alpha; then
2129
2130     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2131
2132 elif enabled bfin; then
2133
2134     cpuflags="-mcpu=$cpu"
2135
2136 elif enabled mips; then
2137
2138     cpuflags="-march=$cpu"
2139
2140 elif enabled avr32; then
2141
2142     case $cpu in
2143         ap7[02]0[0-2])
2144             subarch="avr32_ap"
2145             cpuflags="-mpart=$cpu"
2146         ;;
2147         ap)
2148             subarch="avr32_ap"
2149             cpuflags="-march=$cpu"
2150         ;;
2151         uc3[ab]*)
2152             subarch="avr32_uc"
2153             cpuflags="-mcpu=$cpu"
2154         ;;
2155         uc)
2156             subarch="avr32_uc"
2157             cpuflags="-march=$cpu"
2158         ;;
2159     esac
2160
2161 fi
2162
2163 add_cflags $cpuflags
2164 add_asflags $cpuflags
2165
2166 # compiler sanity check
2167 check_exec <<EOF
2168 int main(void){ return 0; }
2169 EOF
2170 if test "$?" != 0; then
2171     echo "$cc is unable to create an executable file."
2172     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2173         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2174         echo "Only do this if you know what cross compiling means."
2175     fi
2176     die "C compiler test failed."
2177 fi
2178
2179 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2180 check_cflags -std=c99
2181 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2182 #include <stdlib.h>
2183 EOF
2184 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2185 #include <stdlib.h>
2186 EOF
2187
2188 check_host_cflags -std=c99
2189
2190 case "$arch" in
2191     alpha|ia64|mips|parisc|sparc)
2192         spic=$shared
2193     ;;
2194     x86)
2195         subarch="x86_32"
2196         check_cc <<EOF && subarch="x86_64"
2197         int test[(int)sizeof(char*) - 7];
2198 EOF
2199         if test "$subarch" = "x86_64"; then
2200             spic=$shared
2201         fi
2202     ;;
2203 esac
2204
2205 enable $subarch
2206 enabled spic && enable pic
2207
2208 # OS specific
2209 case $target_os in
2210     haiku)
2211         prefix_default="/boot/common"
2212         network_extralibs="-lnetwork"
2213         ;;
2214     sunos)
2215         FFSERVERLDFLAGS=""
2216         SHFLAGS='-shared -Wl,-h,$$(@F)'
2217         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2218         network_extralibs="-lsocket -lnsl"
2219         add_cppflags -D__EXTENSIONS__
2220         nm_opts='-P -g'
2221         ;;
2222     netbsd)
2223         oss_indev_extralibs="-lossaudio"
2224         oss_outdev_extralibs="-lossaudio"
2225         add_cppflags -D_XOPEN_SOURCE=600
2226         ;;
2227     openbsd)
2228         enable malloc_aligned
2229         # On OpenBSD 4.5. the compiler does not use PIC unless
2230         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2231         # however the generated executable will not do anything
2232         # (simply quits with exit-code 1, no crash, no output).
2233         # Thus explicitly enable PIC here.
2234         enable pic
2235         SHFLAGS='-shared'
2236         oss_indev_extralibs="-lossaudio"
2237         oss_outdev_extralibs="-lossaudio"
2238         ;;
2239     freebsd|dragonfly)
2240         enable malloc_aligned
2241         ;;
2242     bsd/os)
2243         add_extralibs -lpoll -lgnugetopt
2244         strip="strip -d"
2245         ;;
2246     darwin)
2247         enable malloc_aligned
2248         gas="gas-preprocessor.pl $cc"
2249         enabled ppc && add_asflags -force_cpusubtype_ALL
2250         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2251         strip="${strip} -x"
2252         add_ldflags -Wl,-dynamic,-search_paths_first
2253         SLIBSUF=".dylib"
2254         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2255         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2256         FFSERVERLDFLAGS=-Wl,-bind_at_load
2257         objformat="macho"
2258         enabled x86_64 && objformat="macho64"
2259         enabled_any pic shared ||
2260             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2261         ;;
2262     mingw32*)
2263         if test $target_os = "mingw32ce"; then
2264             disable network
2265         else
2266             target_os=mingw32
2267         fi
2268         LIBTARGET=i386
2269         if enabled x86_64; then
2270             enable malloc_aligned
2271             LIBTARGET=x64
2272         elif enabled arm; then
2273             LIBTARGET=arm
2274         fi
2275         shlibdir_default="$bindir_default"
2276         disable ffserver
2277         SLIBPREF=""
2278         SLIBSUF=".dll"
2279         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2280         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2281         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2282         SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2283             install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2284             install -d "$(LIBDIR)"; \
2285             install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2286         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2287         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'
2288         objformat="win32"
2289         enable dos_paths
2290         check_cflags -fno-common
2291         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2292                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2293                 die "ERROR: MinGW runtime version must be >= 3.15."
2294         ;;
2295     cygwin*)
2296         target_os=cygwin
2297         shlibdir_default="$bindir_default"
2298         SLIBPREF="cyg"
2299         SLIBSUF=".dll"
2300         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2301         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2302         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2303         objformat="win32"
2304         enable dos_paths
2305         check_cflags -fno-common
2306         ;;
2307     *-dos|freedos|opendos)
2308         disable ffplay ffserver
2309         disable $INDEV_LIST $OUTDEV_LIST
2310         network_extralibs="-lsocket"
2311         objformat="coff"
2312         enable dos_paths
2313         ;;
2314     linux)
2315         enable dv1394
2316         ;;
2317     irix*)
2318         target_os=irix
2319         ranlib="echo ignoring ranlib"
2320         ;;
2321     os/2*)
2322         strip="lxlite"
2323         ln_s="cp -f"
2324         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2325         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2326         FFSERVERLDFLAGS=""
2327         LIBSUF="_s.a"
2328         SLIBPREF=""
2329         SLIBSUF=".dll"
2330         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2331         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2332         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2333           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2334           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2335           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2336           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2337           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2338         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2339           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2340         SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2341         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2342         enable dos_paths
2343         ;;
2344     gnu/kfreebsd)
2345         ;;
2346     gnu)
2347         ;;
2348     none)
2349         ;;
2350     *)
2351         die "Unknown OS '$target_os'."
2352         ;;
2353 esac
2354
2355 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2356
2357 set_default $PATHS_LIST
2358
2359 # we need to build at least one lib type
2360 if ! enabled_any static shared; then
2361     cat <<EOF
2362 At least one library type must be built.
2363 Specify --enable-static to build the static libraries or --enable-shared to
2364 build the shared libraries as well. To only build the shared libraries specify
2365 --disable-static in addition to --enable-shared.
2366 EOF
2367     exit 1;
2368 fi
2369
2370 disabled static && LIBNAME=""
2371
2372 die_license_disabled() {
2373     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2374 }
2375
2376 die_license_disabled gpl libx264
2377 die_license_disabled gpl libxavs
2378 die_license_disabled gpl libxvid
2379 die_license_disabled gpl postproc
2380 die_license_disabled gpl x11grab
2381
2382 die_license_disabled nonfree libfaac
2383
2384 die_license_disabled version3 libopencore_amrnb
2385 die_license_disabled version3 libopencore_amrwb
2386
2387 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2388
2389 check_deps $ARCH_EXT_LIST
2390
2391 disabled optimizations || check_cflags -fomit-frame-pointer
2392
2393 enable_pic() {
2394     enable pic
2395     add_cppflags -DPIC
2396     add_cflags   -fPIC
2397     add_asflags  -fPIC
2398 }
2399
2400 enabled pic && enable_pic
2401
2402 check_cc <<EOF || die "Symbol mangling check failed."
2403 int ff_extern;
2404 EOF
2405 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2406 extern_prefix=${sym%%ff_extern*}
2407
2408 check_cc <<EOF && enable inline_asm
2409 void foo(void) { __asm__ volatile ("" ::); }
2410 EOF
2411
2412 _restrict=
2413 for restrict_keyword in restrict __restrict__ __restrict; do
2414     check_cc <<EOF && _restrict=$restrict_keyword && break
2415 void foo(char * $restrict_keyword p);
2416 EOF
2417 done
2418
2419 check_cc <<EOF && enable attribute_packed
2420 struct { int x; } __attribute__((packed)) x;
2421 EOF
2422
2423 check_cc <<EOF && enable attribute_may_alias
2424 union { int x; } __attribute__((may_alias)) x;
2425 EOF
2426
2427 check_cc <<EOF || die "endian test failed"
2428 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2429 EOF
2430 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2431
2432 if enabled alpha; then
2433
2434     check_cflags -mieee
2435
2436 elif enabled arm; then
2437
2438     check_cflags -marm
2439     nogas=die
2440
2441     check_ld <<EOF && enable vfp_args
2442 __asm__ (".eabi_attribute 28, 1");
2443 int main(void) { return 0; }
2444 EOF
2445
2446     # We have to check if pld is a nop and disable it.
2447     check_asm pld '"pld [r0]"'
2448
2449     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2450     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2451     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2452     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2453     enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2454     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2455
2456     enabled_all armv6t2 shared !pic && enable_pic
2457
2458 elif enabled mips; then
2459
2460     check_asm loongson '"dmult.g $1, $2, $3"'
2461     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2462
2463 elif enabled ppc; then
2464
2465     enable local_aligned_8 local_aligned_16
2466
2467     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2468     check_asm ibm_asm   '"add 0, 0, 0"'
2469     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2470     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2471
2472     # AltiVec flags: The FSF version of GCC differs from the Apple version
2473     if enabled altivec; then
2474         nogas=warn
2475         check_cflags -maltivec -mabi=altivec &&
2476         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2477         check_cflags -faltivec
2478
2479         # check if our compiler supports Motorola AltiVec C API
2480         check_cc <<EOF || disable altivec
2481 $inc_altivec_h
2482 int main(void) {
2483     vector signed int v1, v2, v3;
2484     v1 = vec_add(v2,v3);
2485     return 0;
2486 }
2487 EOF
2488
2489         # check if our compiler supports braces for vector declarations
2490         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2491 $inc_altivec_h
2492 int main (void) { (vector int) {1}; return 0; }
2493 EOF
2494     fi
2495
2496 elif enabled sparc; then
2497
2498     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2499         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2500
2501 elif enabled x86; then
2502
2503     enable local_aligned_8 local_aligned_16
2504
2505     # check whether EBP is available on x86
2506     # As 'i' is stored on the stack, this program will crash
2507     # if the base pointer is used to access it because the
2508     # base pointer is cleared in the inline assembly code.
2509     check_exec_crash <<EOF && enable ebp_available
2510     volatile int i=0;
2511     __asm__ volatile (
2512         "xorl %%ebp, %%ebp"
2513     ::: "%ebp");
2514     return i;
2515 EOF
2516
2517     # check whether EBX is available on x86
2518     check_asm ebx_available '""::"b"(0)' &&
2519         check_asm ebx_available '"":::"%ebx"'
2520
2521     # check whether more than 10 operands are supported
2522     check_cc <<EOF && enable ten_operands
2523 int main(void) {
2524     int x=0;
2525     __asm__ volatile(
2526         ""
2527         :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2528     );
2529     return 0;
2530 }
2531 EOF
2532
2533     # check whether binutils is new enough to compile SSSE3/MMX2
2534     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2535     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2536
2537     check_asm bswap '"bswap %%eax" ::: "%eax"'
2538
2539     YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2540     enabled     x86_64        && append YASMFLAGS "-m amd64"
2541     enabled     pic           && append YASMFLAGS "-DPIC"
2542     test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2543     case "$objformat" in
2544         elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2545     esac
2546     if ! disabled yasm; then
2547         check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2548             warn "yasm not found, performance will suffer"
2549     fi
2550
2551     case "$cpu" in
2552         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2553             disable fast_clz
2554         ;;
2555     esac
2556
2557 fi
2558
2559 if enabled asm; then
2560     as=${gas:=$as}
2561     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2562         $nogas "GNU assembler not found, install gas-preprocessor"
2563 fi
2564
2565 if check_func dlopen; then
2566     ldl=
2567 elif check_func dlopen -ldl; then
2568     ldl=-ldl
2569 fi
2570
2571 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2572 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2573
2574 check_func  fcntl
2575 check_func  fork
2576 check_func  getaddrinfo $network_extralibs
2577 check_func  gethrtime
2578 check_func  getrusage
2579 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2580 check_func  inet_aton $network_extralibs
2581 check_func  isatty
2582 check_func  ${malloc_prefix}memalign            && enable memalign
2583 check_func  mkstemp
2584 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2585 check_func  setrlimit
2586 check_func  strerror_r
2587 check_func_headers io.h setmode
2588 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2589 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2590 check_func_headers windows.h GetProcessTimes
2591 check_func_headers windows.h VirtualAlloc
2592
2593 check_header conio.h
2594 check_header dlfcn.h
2595 check_header dxva2api.h
2596 check_header malloc.h
2597 check_header poll.h
2598 check_header sys/mman.h
2599 check_header sys/resource.h
2600 check_header sys/select.h
2601 check_header termios.h
2602 check_header vdpau/vdpau.h
2603 check_header vdpau/vdpau_x11.h
2604 check_header X11/extensions/XvMClib.h
2605
2606 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2607
2608 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2609      enabled_any $need_memalign ; then
2610     die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2611 fi
2612
2613 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2614 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2615
2616 # check for some common methods of building with pthread support
2617 # do this before the optional library checks as some of them require pthreads
2618 if ! disabled pthreads && ! enabled w32threads; then
2619     enable pthreads
2620     if check_func pthread_create; then
2621         :
2622     elif check_func pthread_create -pthread; then
2623         add_cflags -pthread
2624         add_extralibs -pthread
2625     elif check_func pthread_create -pthreads; then
2626         add_cflags -pthreads
2627         add_extralibs -pthreads
2628     elif check_func pthread_create -lpthreadGC2; then
2629         add_extralibs -lpthreadGC2
2630     elif ! check_lib pthread.h pthread_create -lpthread; then
2631         disable pthreads
2632     fi
2633 fi
2634
2635 for thread in $THREADS_LIST; do
2636     if enabled $thread; then
2637         test -n "$thread_type" &&
2638             die "ERROR: Only one thread type must be selected." ||
2639             thread_type="$thread"
2640     fi
2641 done
2642
2643 check_lib math.h sin -lm
2644 disabled vaapi || check_lib va/va.h vaInitialize -lva
2645
2646 check_mathfunc exp2
2647 check_mathfunc exp2f
2648 check_mathfunc llrint
2649 check_mathfunc llrintf
2650 check_mathfunc log2
2651 check_mathfunc log2f
2652 check_mathfunc lrint
2653 check_mathfunc lrintf
2654 check_mathfunc round
2655 check_mathfunc roundf
2656 check_mathfunc truncf
2657
2658 # these are off by default, so fail if requested and not available
2659 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2660 enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2661                       require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2662                       require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2663 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2664 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
2665 enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame
2666 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2667 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2668 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2669 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2670 enabled librtmp    && { check_lib librtmp/rtmp.h RTMP_Socket $(pkg-config --libs librtmp) ||
2671                         die "ERROR: librtmp not found or RTMP_Socket() missing, librtmp version must be >= 2.2.f"; }
2672 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2673                            require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2674 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2675 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2676 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2677 enabled libvpx     && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx &&
2678                         check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2679                       die "ERROR: libvpx version must be >=0.9.1"; }
2680 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
2681                       { check_cpp_condition x264.h "X264_BUILD >= 98" ||
2682                         die "ERROR: libx264 version must be >= 0.98."; }
2683 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
2684 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2685 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2686
2687 # libdc1394 check
2688 if enabled libdc1394; then
2689     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2690         enable libdc1394_2; } ||
2691     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2692         enable libdc1394_1; } ||
2693     die "ERROR: No version of libdc1394 found "
2694 fi
2695
2696 SDL_CONFIG="${cross_prefix}sdl-config"
2697 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2698     sdl_cflags=$("${SDL_CONFIG}" --cflags)
2699     sdl_libs=$("${SDL_CONFIG}" --libs)
2700     check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2701     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2702     enable sdl &&
2703     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2704 fi
2705
2706 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2707
2708 if enabled network; then
2709     check_type "sys/types.h sys/socket.h" socklen_t
2710     check_type netdb.h "struct addrinfo"
2711     check_type netinet/in.h "struct ipv6_mreq"
2712     check_type netinet/in.h "struct sockaddr_in6"
2713     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2714     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2715     # Prefer arpa/inet.h over winsock2
2716     if check_header arpa/inet.h ; then
2717         check_func closesocket
2718     elif check_header winsock2.h ; then
2719         check_func_headers winsock2.h closesocket -lws2 && \
2720             network_extralibs="-lws2" || \
2721         { check_func_headers winsock2.h closesocket -lws2_32 && \
2722             network_extralibs="-lws2_32"; }
2723         check_type ws2tcpip.h socklen_t
2724         check_type ws2tcpip.h "struct addrinfo"
2725         check_type ws2tcpip.h "struct ipv6_mreq"
2726         check_type ws2tcpip.h "struct sockaddr_in6"
2727         check_type ws2tcpip.h "struct sockaddr_storage"
2728         check_struct winsock2.h "struct sockaddr" sa_len
2729     else
2730         disable network
2731     fi
2732 fi
2733
2734 check_header linux/videodev.h
2735 check_header linux/videodev2.h
2736 check_header sys/videoio.h
2737
2738 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2739 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2740 # w32api 3.12 had it defined wrong
2741 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2742
2743 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2744 { check_header dev/bktr/ioctl_meteor.h &&
2745   check_header dev/bktr/ioctl_bt848.h; } ||
2746 { check_header machine/ioctl_meteor.h &&
2747   check_header machine/ioctl_bt848.h; } ||
2748 { check_header dev/video/meteor/ioctl_meteor.h &&
2749   check_header dev/video/bktr/ioctl_bt848.h; } ||
2750 check_header dev/ic/bt8xx.h
2751
2752 check_header sys/soundcard.h
2753 check_header soundcard.h
2754
2755 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2756
2757 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2758
2759 enabled x11grab                         &&
2760 check_header X11/Xlib.h                 &&
2761 check_header X11/extensions/XShm.h      &&
2762 check_header X11/extensions/Xfixes.h    &&
2763 check_func XOpenDisplay -lX11           &&
2764 check_func XShmCreateImage -lX11 -lXext &&
2765 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2766
2767 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2768 check_cpp_condition \
2769     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2770     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2771       disable vdpau; }
2772 fi
2773
2774 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2775
2776 # add some useful compiler flags if supported
2777 check_cflags -Wdeclaration-after-statement
2778 check_cflags -Wall
2779 check_cflags -Wno-switch
2780 check_cflags -Wdisabled-optimization
2781 check_cflags -Wpointer-arith
2782 check_cflags -Wredundant-decls
2783 check_cflags -Wno-pointer-sign
2784 check_cflags -Wcast-qual
2785 check_cflags -Wwrite-strings
2786 check_cflags -Wtype-limits
2787 check_cflags -Wundef
2788 check_cflags -Wmissing-prototypes
2789 enabled extra_warnings && check_cflags -Winline
2790
2791 # add some linker flags
2792 check_ldflags -Wl,--warn-common
2793 check_ldflags -Wl,--as-needed
2794 check_ldflags '-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavcore -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
2795 check_ldflags -Wl,-Bsymbolic
2796
2797 echo "X{};" > $TMPV
2798 if test_ldflags -Wl,--version-script,$TMPV; then
2799     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2800     check_cc <<EOF && enable symver_asm_label
2801 void ff_foo(void) __asm__ ("av_foo@VERSION");
2802 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2803 EOF
2804     check_cc <<EOF && enable symver_gnu_asm
2805 __asm__(".symver ff_foo,av_foo@VERSION");
2806 void ff_foo(void) {}
2807 EOF
2808 fi
2809
2810 if enabled small; then
2811     add_cflags $size_cflags
2812     optimizations="small"
2813 elif enabled optimizations; then
2814     add_cflags $speed_cflags
2815 else
2816     add_cflags $noopt_cflags
2817 fi
2818 check_cflags -fno-math-errno
2819 check_cflags -fno-signed-zeros
2820
2821 if enabled icc; then
2822     # Just warnings, no remarks
2823     check_cflags -w1
2824     # -wd: Disable following warnings
2825     # 144, 167, 556: -Wno-pointer-sign
2826     # 10006: ignoring unknown option -fno-signed-zeros
2827     # 10156: ignoring option '-W'; no argument required
2828     check_cflags -wd144,167,556,10006,10156
2829     # 11030: Warning unknown option --as-needed
2830     # 10156: ignoring option '-export'; no argument required
2831     check_ldflags -wd10156,11030
2832     # Allow to compile with optimizations
2833     check_ldflags -march=$cpu
2834     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2835     enable ebp_available
2836 elif enabled ccc; then
2837     # disable some annoying warnings
2838     add_cflags -msg_disable cvtu32to64
2839     add_cflags -msg_disable embedcomment
2840     add_cflags -msg_disable needconstext
2841     add_cflags -msg_disable nomainieee
2842     add_cflags -msg_disable ptrmismatch1
2843     add_cflags -msg_disable unreachcode
2844 elif enabled gcc; then
2845     check_cflags -fno-tree-vectorize
2846     check_cflags -Werror=implicit-function-declaration
2847     check_cflags -Werror=missing-prototypes
2848 elif enabled clang; then
2849     check_cflags -Qunused-arguments
2850 elif enabled armcc; then
2851     # 2523: use of inline assembler is deprecated
2852     add_cflags -Wrvct,--diag_suppress=2523
2853     add_cflags -Wrvct,--diag_suppress=1207
2854 elif enabled tms470; then
2855     add_cflags -pds=824 -pds=837
2856 fi
2857
2858 enabled_any $THREADS_LIST      && enable threads
2859
2860 check_deps $CONFIG_LIST       \
2861            $CONFIG_EXTRA      \
2862            $HAVE_LIST         \
2863            $DECODER_LIST      \
2864            $ENCODER_LIST      \
2865            $HWACCEL_LIST      \
2866            $PARSER_LIST       \
2867            $BSF_LIST          \
2868            $DEMUXER_LIST      \
2869            $MUXER_LIST        \
2870            $FILTER_LIST       \
2871            $INDEV_LIST        \
2872            $OUTDEV_LIST       \
2873            $PROTOCOL_LIST     \
2874            $ACODEC_TESTS      \
2875            $VCODEC_TESTS      \
2876            $LAVF_TESTS        \
2877            $LAVFI_TESTS       \
2878            $SEEK_TESTS        \
2879
2880 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
2881
2882 echo "install prefix            $prefix"
2883 echo "source path               $source_path"
2884 echo "C compiler                $cc"
2885 echo "ARCH                      $arch ($cpu)"
2886 if test "$build_suffix" != ""; then
2887     echo "build suffix              $build_suffix"
2888 fi
2889 if test "$extra_version" != ""; then
2890     echo "version string suffix     $extra_version"
2891 fi
2892 echo "big-endian                ${bigendian-no}"
2893 echo "runtime cpu detection     ${runtime_cpudetect-no}"
2894 if enabled x86; then
2895     echo "yasm                      ${yasm-no}"
2896     echo "MMX enabled               ${mmx-no}"
2897     echo "MMX2 enabled              ${mmx2-no}"
2898     echo "3DNow! enabled            ${amd3dnow-no}"
2899     echo "3DNow! extended enabled   ${amd3dnowext-no}"
2900     echo "SSE enabled               ${sse-no}"
2901     echo "SSSE3 enabled             ${ssse3-no}"
2902     echo "CMOV enabled              ${cmov-no}"
2903     echo "CMOV is fast              ${fast_cmov-no}"
2904     echo "EBX available             ${ebx_available-no}"
2905     echo "EBP available             ${ebp_available-no}"
2906     echo "10 operands supported     ${ten_operands-no}"
2907 fi
2908 if enabled arm; then
2909     echo "ARMv5TE enabled           ${armv5te-no}"
2910     echo "ARMv6 enabled             ${armv6-no}"
2911     echo "ARMv6T2 enabled           ${armv6t2-no}"
2912     echo "ARM VFP enabled           ${armvfp-no}"
2913     echo "IWMMXT enabled            ${iwmmxt-no}"
2914     echo "NEON enabled              ${neon-no}"
2915 fi
2916 if enabled mips; then
2917     echo "MMI enabled               ${mmi-no}"
2918 fi
2919 if enabled ppc; then
2920     echo "AltiVec enabled           ${altivec-no}"
2921     echo "PPC 4xx optimizations     ${ppc4xx-no}"
2922     echo "dcbzl available           ${dcbzl-no}"
2923 fi
2924 if enabled sparc; then
2925     echo "VIS enabled               ${vis-no}"
2926 fi
2927 echo "debug symbols             ${debug-no}"
2928 echo "strip symbols             ${stripping-no}"
2929 echo "optimizations             ${optimizations-no}"
2930 echo "static                    ${static-no}"
2931 echo "shared                    ${shared-no}"
2932 echo "postprocessing support    ${postproc-no}"
2933 echo "new filter support        ${avfilter-no}"
2934 echo "filters using lavformat   ${avfilter_lavf-no}"
2935 echo "network support           ${network-no}"
2936 echo "threading support         ${thread_type-no}"
2937 echo "SDL support               ${sdl-no}"
2938 echo "Sun medialib support      ${mlib-no}"
2939 echo "AVISynth enabled          ${avisynth-no}"
2940 echo "libdc1394 support         ${libdc1394-no}"
2941 echo "libdirac enabled          ${libdirac-no}"
2942 echo "libfaac enabled           ${libfaac-no}"
2943 echo "libgsm enabled            ${libgsm-no}"
2944 echo "libmp3lame enabled        ${libmp3lame-no}"
2945 echo "libnut enabled            ${libnut-no}"
2946 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2947 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2948 echo "libopenjpeg enabled       ${libopenjpeg-no}"
2949 echo "librtmp enabled           ${librtmp-no}"
2950 echo "libschroedinger enabled   ${libschroedinger-no}"
2951 echo "libspeex enabled          ${libspeex-no}"
2952 echo "libtheora enabled         ${libtheora-no}"
2953 echo "libvorbis enabled         ${libvorbis-no}"
2954 echo "libvpx enabled            ${libvpx-no}"
2955 echo "libx264 enabled           ${libx264-no}"
2956 echo "libxavs enabled           ${libxavs-no}"
2957 echo "libxvid enabled           ${libxvid-no}"
2958 echo "zlib enabled              ${zlib-no}"
2959 echo "bzlib enabled             ${bzlib-no}"
2960 echo
2961
2962 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2963     echo "Enabled ${type}s:"
2964     eval list=\$$(toupper $type)_LIST
2965     print_enabled '_*' $list | sort | pr -3 -t
2966     echo
2967 done
2968
2969 license="LGPL version 2.1 or later"
2970 if enabled nonfree; then
2971     license="nonfree and unredistributable"
2972 elif enabled gplv3; then
2973     license="GPL version 3 or later"
2974 elif enabled lgplv3; then
2975     license="LGPL version 3 or later"
2976 elif enabled gpl; then
2977     license="GPL version 2 or later"
2978 fi
2979
2980 echo "License: $license"
2981
2982 echo "Creating config.mak and config.h..."
2983
2984 # build tree in object directory if source path is different from current one
2985 if enabled source_path_used; then
2986     DIRS="
2987         doc
2988         libavcodec
2989         libavcodec/$arch
2990         libavcore
2991         libavdevice
2992         libavfilter
2993         libavformat
2994         libavutil
2995         libavutil/$arch
2996         libpostproc
2997         libswscale
2998         libswscale/$arch
2999         tests
3000         tools
3001     "
3002     FILES="
3003         Makefile
3004         common.mak
3005         subdir.mak
3006         doc/texi2pod.pl
3007         libavcodec/Makefile
3008         libavcodec/${arch}/Makefile
3009         libavcore/Makefile
3010         libavdevice/Makefile
3011         libavfilter/Makefile
3012         libavformat/Makefile
3013         libavutil/Makefile
3014         libpostproc/Makefile
3015         libswscale/Makefile
3016     "
3017     map 'mkdir -p $v' $DIRS;
3018     map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
3019 fi
3020
3021 enabled stripping || strip="echo skipping strip"
3022
3023 cat > config.mak <<EOF
3024 # Automatically generated by configure - do not modify!
3025 ifndef FFMPEG_CONFIG_MAK
3026 FFMPEG_CONFIG_MAK=1
3027 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3028 prefix=$prefix
3029 LIBDIR=\$(DESTDIR)$libdir
3030 SHLIBDIR=\$(DESTDIR)$shlibdir
3031 INCDIR=\$(DESTDIR)$incdir
3032 BINDIR=\$(DESTDIR)$bindir
3033 DATADIR=\$(DESTDIR)$datadir
3034 MANDIR=\$(DESTDIR)$mandir
3035 SRC_PATH="$source_path"
3036 SRC_PATH_BARE=$source_path
3037 BUILD_ROOT="$PWD"
3038 CC_IDENT=$cc_ident
3039 ARCH=$arch
3040 CC=$cc
3041 AS=$as
3042 LD=$ld
3043 DEPCC=$dep_cc
3044 YASM=$yasmexe
3045 YASMDEP=$yasmexe
3046 AR=$ar
3047 RANLIB=$ranlib
3048 CP=cp -p
3049 LN_S=$ln_s
3050 STRIP=$strip
3051 CPPFLAGS=$CPPFLAGS
3052 CFLAGS=$CFLAGS
3053 ASFLAGS=$ASFLAGS
3054 CC_O=$CC_O
3055 LDFLAGS=$LDFLAGS
3056 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3057 SHFLAGS=$SHFLAGS
3058 YASMFLAGS=$YASMFLAGS
3059 BUILDSUF=$build_suffix
3060 FULLNAME=$FULLNAME
3061 LIBPREF=$LIBPREF
3062 LIBSUF=$LIBSUF
3063 LIBNAME=$LIBNAME
3064 SLIBPREF=$SLIBPREF
3065 SLIBSUF=$SLIBSUF
3066 EXESUF=$EXESUF
3067 EXTRA_VERSION=$extra_version
3068 DEPFLAGS=$DEPFLAGS
3069 CCDEP=$CCDEP
3070 ASDEP=$ASDEP
3071 CC_DEPFLAGS=$CC_DEPFLAGS
3072 AS_DEPFLAGS=$AS_DEPFLAGS
3073 HOSTCC=$host_cc
3074 HOSTCFLAGS=$host_cflags
3075 HOSTEXESUF=$HOSTEXESUF
3076 HOSTLDFLAGS=$host_ldflags
3077 HOSTLIBS=$host_libs
3078 TARGET_EXEC=$target_exec
3079 TARGET_PATH=$target_path
3080 SDL_LIBS=$sdl_libs
3081 SDL_CFLAGS=$sdl_cflags
3082 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3083 EXTRALIBS=$extralibs
3084 INSTALL=install
3085 LIBTARGET=${LIBTARGET}
3086 SLIBNAME=${SLIBNAME}
3087 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3088 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3089 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3090 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3091 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3092 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3093 SAMPLES=$samples
3094 EOF
3095
3096 get_version(){
3097     name=$1
3098     file=$source_path/$2
3099     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3100     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3101     lcname=$(tolower $name)
3102     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3103     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3104 }
3105
3106 get_version LIBSWSCALE  libswscale/swscale.h
3107 get_version LIBPOSTPROC libpostproc/postprocess.h
3108 get_version LIBAVCODEC  libavcodec/avcodec.h
3109 get_version LIBAVCORE   libavcore/avcore.h
3110 get_version LIBAVDEVICE libavdevice/avdevice.h
3111 get_version LIBAVFORMAT libavformat/avformat.h
3112 get_version LIBAVUTIL   libavutil/avutil.h
3113 get_version LIBAVFILTER libavfilter/avfilter.h
3114
3115 cat > $TMPH <<EOF
3116 /* Automatically generated by configure - do not modify! */
3117 #ifndef FFMPEG_CONFIG_H
3118 #define FFMPEG_CONFIG_H
3119 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3120 #define FFMPEG_LICENSE "$(c_escape $license)"
3121 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3122 #define CC_TYPE "$cc_type"
3123 #define CC_VERSION $cc_version
3124 #define restrict $_restrict
3125 #define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
3126 #define EXTERN_PREFIX "${extern_prefix}"
3127 #define EXTERN_ASM ${extern_prefix}
3128 EOF
3129
3130 test -n "$malloc_prefix" &&
3131     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3132
3133 if enabled small || disabled optimizations; then
3134     echo "#undef  av_always_inline"  >> $TMPH
3135     echo "#define av_always_inline"  >> $TMPH
3136 fi
3137
3138 print_config ARCH_   $TMPH config.mak $ARCH_LIST
3139 print_config HAVE_   $TMPH config.mak $HAVE_LIST
3140 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
3141                                       $CONFIG_EXTRA      \
3142                                       $DECODER_LIST      \
3143                                       $ENCODER_LIST      \
3144                                       $HWACCEL_LIST      \
3145                                       $PARSER_LIST       \
3146                                       $BSF_LIST          \
3147                                       $DEMUXER_LIST      \
3148                                       $MUXER_LIST        \
3149                                       $FILTER_LIST       \
3150                                       $PROTOCOL_LIST     \
3151                                       $INDEV_LIST        \
3152                                       $OUTDEV_LIST       \
3153
3154 cat >>config.mak <<EOF
3155 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3156 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3157 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3158 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3159 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3160 EOF
3161
3162 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3163 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3164
3165 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3166 cp_if_changed $TMPH config.h
3167 touch .config
3168
3169 cat > $TMPH <<EOF
3170 /* Generated by ffconf */
3171 #ifndef AVUTIL_AVCONFIG_H
3172 #define AVUTIL_AVCONFIG_H
3173 EOF
3174
3175 print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3176
3177 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3178
3179 cp_if_changed $TMPH libavutil/avconfig.h
3180
3181 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
3182
3183 test -n "$WARNINGS" && printf "\n$WARNINGS"
3184
3185 # build pkg-config files
3186
3187 pkgconfig_generate(){
3188 name=$1
3189 shortname=${name#lib}${build_suffix}
3190 comment=$2
3191 version=$3
3192 libs=$4
3193 requires=$5
3194 enabled $shortname || return
3195 cat <<EOF > $name/$name.pc
3196 prefix=$prefix
3197 exec_prefix=\${prefix}
3198 libdir=$libdir
3199 includedir=$incdir
3200
3201 Name: $name
3202 Description: $comment
3203 Version: $version
3204 Requires: $(enabled shared || echo $requires)
3205 Requires.private: $(enabled shared && echo $requires)
3206 Conflicts:
3207 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3208 Libs.private: $(enabled shared && echo $libs)
3209 Cflags: -I\${includedir}
3210 EOF
3211 cat <<EOF > $name/$name-uninstalled.pc
3212 prefix=
3213 exec_prefix=
3214 libdir=\${pcfiledir}
3215 includedir=${source_path}
3216
3217 Name: $name
3218 Description: $comment
3219 Version: $version
3220 Requires: $requires
3221 Conflicts:
3222 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3223 Cflags: -I\${includedir}
3224 EOF
3225 }
3226
3227 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3228 pkgconfig_generate libavcore "FFmpeg multimedia shared core utilities library" "$LIBAVCORE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3229 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3230 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3231 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3232 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3233 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3234 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"