configure: move code out of main of check_exec_crash()
[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-avconv         disable avconv build
85   --disable-ffplay         disable ffplay build
86   --disable-ffprobe        disable ffprobe build
87   --disable-ffserver       disable ffserver build
88   --disable-avdevice       disable libavdevice build
89   --disable-avcodec        disable libavcodec build
90   --disable-avformat       disable libavformat build
91   --disable-swresample     disable libswresample build
92   --disable-swscale        disable libswscale build
93   --disable-postproc       disable libpostproc build
94   --disable-avfilter       disable video filter support [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   --enable-gray            enable full grayscale support (slower color)
100   --disable-swscale-alpha  disable alpha channel support in swscale
101   --disable-fastdiv        disable table-based division
102   --enable-small           optimize for size instead of speed
103   --disable-aandct         disable AAN DCT code
104   --disable-dct            disable DCT code
105   --disable-fft            disable FFT code
106   --disable-golomb         disable Golomb code
107   --disable-huffman        disable Huffman code
108   --disable-lpc            disable LPC code
109   --disable-mdct           disable MDCT code
110   --disable-rdft           disable RDFT code
111   --enable-vaapi           enable VAAPI code [autodetect]
112   --enable-vdpau           enable VDPAU code [autodetect]
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-libcelt         enable CELT/Opus decoding via libcelt [no]
166   --enable-frei0r          enable frei0r video filtering
167   --enable-libaacplus      enable AAC+ encoding via libaacplus [no]
168   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
169   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
170   --enable-libopencv       enable video filtering via libopencv [no]
171   --enable-libcdio         enable audio CD grabbing with libcdio
172   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
173                            and libraw1394 [no]
174   --enable-libdirac        enable Dirac support via libdirac [no]
175   --enable-libfaac         enable FAAC support via libfaac [no]
176   --enable-libfreetype     enable libfreetype [no]
177   --enable-libgsm          enable GSM support via libgsm [no]
178   --enable-libmodplug      enable ModPlug via libmodplug [no]
179   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
180   --enable-libnut          enable NUT (de)muxing via libnut,
181                            native (de)muxer exists [no]
182   --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]
183   --enable-librtmp         enable RTMP[E] support via librtmp [no]
184   --enable-libschroedinger enable Dirac support via libschroedinger [no]
185   --enable-libspeex        enable Speex support via libspeex [no]
186   --enable-libstagefright-h264  enable H.264 decoding via libstagefright [no]
187   --enable-libtheora       enable Theora encoding via libtheora [no]
188   --enable-libutvideo      enable Ut Video decoding via libutvideo [no]
189   --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
190   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
191   --enable-libvorbis       enable Vorbis encoding via libvorbis,
192                            native implementation exists [no]
193   --enable-libvpx          enable VP8 support via libvpx [no]
194   --enable-libx264         enable H.264 encoding via x264 [no]
195   --enable-libxavs         enable AVS encoding via xavs [no]
196   --enable-libxvid         enable Xvid encoding via xvidcore,
197                            native MPEG-4/Xvid encoder exists [no]
198   --enable-openal          enable OpenAL 1.1 capture support [no]
199   --enable-mlib            enable Sun medialib [no]
200   --enable-zlib            enable zlib [autodetect]
201
202 Advanced options (experts only):
203   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
204   --enable-cross-compile   assume a cross-compiler is used
205   --sysroot=PATH           root of cross-build tree
206   --sysinclude=PATH        location of cross-build system headers
207   --target-os=OS           compiler targets OS [$target_os]
208   --target-exec=CMD        command to run executables on target
209   --target-path=DIR        path to view of build directory on target
210   --nm=NM                  use nm tool
211   --ar=AR                  use archive tool AR [$ar_default]
212   --as=AS                  use assembler AS [$as_default]
213   --cc=CC                  use C compiler CC [$cc_default]
214   --cxx=CXX                use C compiler CXX [$cxx_default]
215   --ld=LD                  use linker LD
216   --host-cc=HOSTCC         use host C compiler HOSTCC
217   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
218   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
219   --host-libs=HLIBS        use libs HLIBS when linking for host
220   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
221   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
222   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
223   --extra-libs=ELIBS       add ELIBS [$ELIBS]
224   --extra-version=STRING   version string suffix []
225   --build-suffix=SUFFIX    library name suffix []
226   --progs-suffix=SUFFIX    program name suffix []
227   --arch=ARCH              select architecture [$arch]
228   --cpu=CPU                select the minimum required CPU (affects
229                            instruction selection, may crash on older CPUs)
230   --disable-asm            disable all assembler optimizations
231   --disable-altivec        disable AltiVec optimizations
232   --disable-amd3dnow       disable 3DNow! optimizations
233   --disable-amd3dnowext    disable 3DNow! extended optimizations
234   --disable-mmx            disable MMX optimizations
235   --disable-mmx2           disable MMX2 optimizations
236   --disable-sse            disable SSE optimizations
237   --disable-ssse3          disable SSSE3 optimizations
238   --disable-avx            disable AVX optimizations
239   --disable-armv5te        disable armv5te optimizations
240   --disable-armv6          disable armv6 optimizations
241   --disable-armv6t2        disable armv6t2 optimizations
242   --disable-armvfp         disable ARM VFP optimizations
243   --disable-iwmmxt         disable iwmmxt optimizations
244   --disable-mmi            disable MMI optimizations
245   --disable-neon           disable neon optimizations
246   --disable-vis            disable VIS optimizations
247   --disable-yasm           disable use of yasm assembler
248   --enable-pic             build position-independent code
249   --malloc-prefix=PFX      prefix malloc and related names with PFX
250   --enable-sram            allow use of on-chip SRAM
251   --disable-symver         disable symbol versioning
252   --optflags               override optimization-related compiler flags
253
254 Developer options (useful when working on FFmpeg itself):
255   --disable-debug          disable debugging symbols
256   --enable-debug=LEVEL     set the debug level [$debuglevel]
257   --disable-optimizations  disable compiler optimizations
258   --enable-extra-warnings  enable more compiler warnings
259   --disable-stripping      disable stripping of executables and shared libraries
260   --samples=PATH           location of test samples for FATE, if not set use
261                            \$FATE_SAMPLES at make invocation time.
262
263 NOTE: Object files are built at the place where configure is launched.
264 EOF
265   exit 0
266 }
267
268 quotes='""'
269
270 log(){
271     echo "$@" >> $logfile
272 }
273
274 log_file(){
275     log BEGIN $1
276     pr -n -t $1 >> $logfile
277     log END $1
278 }
279
280 echolog(){
281     log "$@"
282     echo "$@"
283 }
284
285 warn(){
286     log "WARNING: $*"
287     WARNINGS="${WARNINGS}WARNING: $*\n"
288 }
289
290 die(){
291     echolog "$@"
292     cat <<EOF
293
294 If you think configure made a mistake, make sure you are using the latest
295 version from Git.  If the latest version fails, report the problem to the
296 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
297 EOF
298     if disabled logging; then
299         cat <<EOF
300 Rerun configure with logging enabled (do not use --disable-logging), and
301 include the log this produces with your report.
302 EOF
303     else
304 cat <<EOF
305 Include the log file "$logfile" produced by configure as this will help
306 solving the problem.
307 EOF
308     fi
309     exit 1
310 }
311
312 # Avoid locale weirdness, besides we really just want to translate ASCII.
313 toupper(){
314     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
315 }
316
317 tolower(){
318     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
319 }
320
321 c_escape(){
322     echo "$*" | sed 's/["\\]/\\\0/g'
323 }
324
325 sh_quote(){
326     v=$(echo "$1" | sed "s/'/'\\\\''/g")
327     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
328     echo "$v"
329 }
330
331 cleanws(){
332     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
333 }
334
335 filter(){
336     pat=$1
337     shift
338     for v; do
339         eval "case $v in $pat) echo $v ;; esac"
340     done
341 }
342
343 filter_out(){
344     pat=$1
345     shift
346     for v; do
347         eval "case $v in $pat) ;; *) echo $v ;; esac"
348     done
349 }
350
351 map(){
352     m=$1
353     shift
354     for v; do eval $m; done
355 }
356
357 set_all(){
358     value=$1
359     shift
360     for var in $*; do
361         eval $var=$value
362     done
363 }
364
365 set_weak(){
366     value=$1
367     shift
368     for var; do
369         eval : \${$var:=$value}
370     done
371 }
372
373 set_safe(){
374     var=$1
375     shift
376     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
377 }
378
379 get_safe(){
380     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
381 }
382
383 pushvar(){
384     for var in $*; do
385         eval level=\${${var}_level:=0}
386         eval ${var}_${level}="\$$var"
387         eval ${var}_level=$(($level+1))
388     done
389 }
390
391 popvar(){
392     for var in $*; do
393         eval level=\${${var}_level:-0}
394         test $level = 0 && continue
395         eval level=$(($level-1))
396         eval $var="\${${var}_${level}}"
397         eval ${var}_level=$level
398         eval unset ${var}_${level}
399     done
400 }
401
402 enable(){
403     set_all yes $*
404 }
405
406 disable(){
407     set_all no $*
408 }
409
410 enable_weak(){
411     set_weak yes $*
412 }
413
414 disable_weak(){
415     set_weak no $*
416 }
417
418 enable_safe(){
419     for var; do
420         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
421     done
422 }
423
424 disable_safe(){
425     for var; do
426         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
427     done
428 }
429
430 do_enable_deep(){
431     for var; do
432         enabled $var && continue
433         eval sel="\$${var}_select"
434         eval sgs="\$${var}_suggest"
435         pushvar var sgs
436         enable_deep $sel
437         popvar sgs
438         enable_deep_weak $sgs
439         popvar var
440     done
441 }
442
443 enable_deep(){
444     do_enable_deep $*
445     enable $*
446 }
447
448 enable_deep_weak(){
449     do_enable_deep $*
450     enable_weak $*
451 }
452
453 enabled(){
454     test "${1#!}" = "$1" && op== || op=!=
455     eval test "x\$${1#!}" $op "xyes"
456 }
457
458 disabled(){
459     test "${1#!}" = "$1" && op== || op=!=
460     eval test "x\$${1#!}" $op "xno"
461 }
462
463 enabled_all(){
464     for opt; do
465         enabled $opt || return 1
466     done
467 }
468
469 disabled_all(){
470     for opt; do
471         disabled $opt || return 1
472     done
473 }
474
475 enabled_any(){
476     for opt; do
477         enabled $opt && return 0
478     done
479 }
480
481 disabled_any(){
482     for opt; do
483         disabled $opt && return 0
484     done
485     return 1
486 }
487
488 set_default(){
489     for opt; do
490         eval : \${$opt:=\$${opt}_default}
491     done
492 }
493
494 is_in(){
495     value=$1
496     shift
497     for var in $*; do
498         [ $var = $value ] && return 0
499     done
500     return 1
501 }
502
503 check_deps(){
504     for cfg; do
505         cfg="${cfg#!}"
506         enabled ${cfg}_checking && die "Circular dependency for $cfg."
507         disabled ${cfg}_checking && continue
508         enable ${cfg}_checking
509
510         eval dep_all="\$${cfg}_deps"
511         eval dep_any="\$${cfg}_deps_any"
512         eval dep_sel="\$${cfg}_select"
513         eval dep_sgs="\$${cfg}_suggest"
514         eval dep_ifa="\$${cfg}_if"
515         eval dep_ifn="\$${cfg}_if_any"
516
517         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
518         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
519         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
520
521         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
522         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
523         enabled_all  $dep_all || disable $cfg
524         enabled_any  $dep_any || disable $cfg
525         disabled_any $dep_sel && disable $cfg
526
527         if enabled $cfg; then
528             eval dep_extralibs="\$${cfg}_extralibs"
529             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
530             enable_deep $dep_sel
531             enable_deep_weak $dep_sgs
532         fi
533
534         disable ${cfg}_checking
535     done
536 }
537
538 print_config_h(){
539     enabled $1 && v=1 || v=0
540     echo "#define $2 $v"
541 }
542
543 print_config_mak(){
544     enabled $1 && v= || v=!
545     echo "$v$2=yes"
546 }
547
548 print_config_asm(){
549     enabled $1 && echo "%define $2"
550 }
551
552 print_config(){
553     pfx=$1
554     files=$2
555     shift 2
556     for cfg; do
557         ucname="$(toupper $cfg)"
558         for f in $files; do
559             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
560         done
561     done
562 }
563
564 print_enabled(){
565     test "$1" = -n && end=" " && shift || end="\n"
566     suf=$1
567     shift
568     for v; do
569         enabled $v && printf "%s$end" ${v%$suf};
570     done
571 }
572
573 append(){
574     var=$1
575     shift
576     eval "$var=\"\$$var $*\""
577 }
578
579 prepend(){
580     var=$1
581     shift
582     eval "$var=\"$* \$$var\""
583 }
584
585 add_cppflags(){
586     append CPPFLAGS $($filter_cppflags "$@")
587 }
588
589 add_cflags(){
590     append CFLAGS $($filter_cflags "$@")
591 }
592
593 add_cxxflags(){
594     append CXXFLAGS $($filter_cflags "$@")
595 }
596
597 add_asflags(){
598     append ASFLAGS $($filter_asflags "$@")
599 }
600
601 add_ldflags(){
602     append LDFLAGS "$@"
603 }
604
605 add_extralibs(){
606     prepend extralibs "$@"
607 }
608
609 check_cmd(){
610     log "$@"
611     "$@" >> $logfile 2>&1
612 }
613
614 check_cc(){
615     log check_cc "$@"
616     cat > $TMPC
617     log_file $TMPC
618     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
619 }
620
621 check_cxx(){
622     log check_cxx "$@"
623     cat > $TMPCPP
624     log_file $TMPCPP
625     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" -c -o $TMPO $TMPCPP
626 }
627
628 check_cpp(){
629     log check_cpp "$@"
630     cat > $TMPC
631     log_file $TMPC
632     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
633 }
634
635 check_as(){
636     log check_as "$@"
637     cat > $TMPC
638     log_file $TMPC
639     check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
640 }
641
642 check_asm(){
643     log check_asm "$@"
644     name="$1"
645     code="$2"
646     shift 2
647     disable $name
648     check_as "$@" <<EOF && enable $name
649 void foo(void){ __asm__ volatile($code); }
650 EOF
651 }
652
653 check_yasm(){
654     log check_yasm "$@"
655     echo "$1" > $TMPS
656     log_file $TMPS
657     shift 1
658     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
659 }
660
661 check_ld(){
662     log check_ld "$@"
663     type=$1
664     shift 1
665     flags=''
666     libs=''
667     for f; do
668         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
669     done
670     check_$type $($filter_cflags $flags) || return
671     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
672 }
673
674 check_cppflags(){
675     log check_cppflags "$@"
676     set -- $($filter_cppflags "$@")
677     check_cc "$@" <<EOF && append CPPFLAGS "$@"
678 int x;
679 EOF
680 }
681
682 check_cflags(){
683     log check_cflags "$@"
684     set -- $($filter_cflags "$@")
685     check_cc "$@" <<EOF && append CFLAGS "$@"
686 int x;
687 EOF
688 }
689
690 check_cxxflags(){
691     log check_cxxflags "$@"
692     set -- $($filter_cflags "$@")
693     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
694 int x;
695 EOF
696 }
697
698 test_ldflags(){
699     log test_ldflags "$@"
700     check_ld "cc" "$@" <<EOF
701 int main(void){ return 0; }
702 EOF
703 }
704
705 check_ldflags(){
706     log check_ldflags "$@"
707     test_ldflags "$@" && add_ldflags "$@"
708 }
709
710 check_header(){
711     log check_header "$@"
712     header=$1
713     shift
714     disable_safe $header
715     check_cpp "$@" <<EOF && enable_safe $header
716 #include <$header>
717 int x;
718 EOF
719 }
720
721 check_func(){
722     log check_func "$@"
723     func=$1
724     shift
725     disable $func
726     check_ld "cc" "$@" <<EOF && enable $func
727 extern int $func();
728 int main(void){ $func(); }
729 EOF
730 }
731
732 check_mathfunc(){
733     log check_mathfunc "$@"
734     func=$1
735     shift
736     disable $func
737     check_ld "cc" "$@" <<EOF && enable $func
738 #include <math.h>
739 float foo(float f) { return $func(f); }
740 int main(void){ return (int) foo; }
741 EOF
742 }
743
744 check_func_headers(){
745     log check_func_headers "$@"
746     headers=$1
747     funcs=$2
748     shift 2
749     {
750         for hdr in $headers; do
751             echo "#include <$hdr>"
752         done
753         for func in $funcs; do
754             echo "long check_$func(void) { return (long) $func; }"
755         done
756         echo "int main(void) { return 0; }"
757     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
758 }
759
760 check_class_headers_cpp(){
761     log check_class_headers_cpp "$@"
762     headers=$1
763     classes=$2
764     shift 2
765     {
766         for hdr in $headers; do
767             echo "#include <$hdr>"
768         done
769         echo "int main(void) { "
770         i=1
771         for class in $classes; do
772             echo "$class obj$i;"
773             i=$(expr $i + 1)
774         done
775         echo "return 0; }"
776     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
777 }
778
779 check_cpp_condition(){
780     log check_cpp_condition "$@"
781     header=$1
782     condition=$2
783     shift 2
784     check_cpp $($filter_cppflags "$@") <<EOF
785 #include <$header>
786 #if !($condition)
787 #error "unsatisfied condition: $condition"
788 #endif
789 EOF
790 }
791
792 check_lib(){
793     log check_lib "$@"
794     header="$1"
795     func="$2"
796     shift 2
797     check_header $header && check_func $func "$@" && add_extralibs "$@"
798 }
799
800 check_lib2(){
801     log check_lib2 "$@"
802     headers="$1"
803     funcs="$2"
804     shift 2
805     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
806 }
807
808 check_lib_cpp(){
809     log check_lib_cpp "$@"
810     headers="$1"
811     classes="$2"
812     shift 2
813     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
814 }
815
816 check_pkg_config(){
817     log check_pkg_config "$@"
818     pkg="$1"
819     headers="$2"
820     funcs="$3"
821     shift 3
822     $pkg_config --exists $pkg 2>/dev/null || return
823     pkg_cflags=$($pkg_config --cflags $pkg)
824     pkg_libs=$($pkg_config --libs $pkg)
825     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
826         set_safe ${pkg}_cflags $pkg_cflags   &&
827         set_safe ${pkg}_libs   $pkg_libs
828 }
829
830 check_exec(){
831     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
832 }
833
834 check_exec_crash(){
835     code=$(cat)
836
837     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
838     # are safe but may not be available everywhere.  Thus we use
839     # raise(SIGTERM) instead.  The check is run in a subshell so we
840     # can redirect the "Terminated" message from the shell.  SIGBUS
841     # is not defined by standard C so it is used conditionally.
842
843     (check_exec "$@") >> $logfile 2>&1 <<EOF
844 #include <signal.h>
845 static void sighandler(int sig){
846     raise(SIGTERM);
847 }
848 int func(void){
849     $code
850 }
851 int main(void){
852     signal(SIGILL, sighandler);
853     signal(SIGFPE, sighandler);
854     signal(SIGSEGV, sighandler);
855 #ifdef SIGBUS
856     signal(SIGBUS, sighandler);
857 #endif
858     return func();
859 }
860 EOF
861 }
862
863 check_type(){
864     log check_type "$@"
865     headers=$1
866     type=$2
867     shift 2
868     disable_safe "$type"
869     incs=""
870     for hdr in $headers; do
871         incs="$incs
872 #include <$hdr>"
873     done
874     check_cc "$@" <<EOF && enable_safe "$type"
875 $incs
876 $type v;
877 EOF
878 }
879
880 check_struct(){
881     log check_type "$@"
882     headers=$1
883     struct=$2
884     member=$3
885     shift 3
886     disable_safe "${struct}_${member}"
887     incs=""
888     for hdr in $headers; do
889         incs="$incs
890 #include <$hdr>"
891     done
892     check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
893 $incs
894 const void *p = &(($struct *)0)->$member;
895 EOF
896 }
897
898 require(){
899     name="$1"
900     header="$2"
901     func="$3"
902     shift 3
903     check_lib $header $func "$@" || die "ERROR: $name not found"
904 }
905
906 require2(){
907     name="$1"
908     headers="$2"
909     func="$3"
910     shift 3
911     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
912 }
913
914 require_cpp(){
915     name="$1"
916     headers="$2"
917     classes="$3"
918     shift 3
919     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
920 }
921
922 require_pkg_config(){
923     pkg="$1"
924     check_pkg_config "$@" || die "ERROR: $pkg not found"
925     add_cflags    $(get_safe ${pkg}_cflags)
926     add_extralibs $(get_safe ${pkg}_libs)
927 }
928
929 check_host_cc(){
930     log check_host_cc "$@"
931     cat > $TMPC
932     log_file $TMPC
933     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
934 }
935
936 check_host_cflags(){
937     log check_host_cflags "$@"
938     check_host_cc "$@" <<EOF && append host_cflags "$@"
939 int x;
940 EOF
941 }
942
943 apply(){
944     file=$1
945     shift
946     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
947 }
948
949 cp_if_changed(){
950     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
951     mkdir -p "$(dirname $2)"
952     cp -f "$1" "$2"
953 }
954
955 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
956 # system-dependent things.
957
958 COMPONENT_LIST="
959     bsfs
960     decoders
961     demuxers
962     encoders
963     filters
964     hwaccels
965     indevs
966     muxers
967     outdevs
968     parsers
969     protocols
970 "
971
972 CONFIG_LIST="
973     $COMPONENT_LIST
974     aandct
975     ac3dsp
976     avcodec
977     avdevice
978     avfilter
979     avformat
980     avisynth
981     bzlib
982     crystalhd
983     dct
984     doc
985     dwt
986     dxva2
987     fastdiv
988     ffmpeg
989     avconv
990     ffplay
991     ffprobe
992     ffserver
993     fft
994     frei0r
995     golomb
996     gpl
997     gray
998     h264dsp
999     h264pred
1000     hardcoded_tables
1001     huffman
1002     libaacplus
1003     libcdio
1004     libcelt
1005     libdc1394
1006     libdirac
1007     libfaac
1008     libfreetype
1009     libgsm
1010     libmodplug
1011     libmp3lame
1012     libnut
1013     libopencore_amrnb
1014     libopencore_amrwb
1015     libopencv
1016     libopenjpeg
1017     librtmp
1018     libschroedinger
1019     libspeex
1020     libstagefright_h264
1021     libtheora
1022     libutvideo
1023     libvo_aacenc
1024     libvo_amrwbenc
1025     libvorbis
1026     libvpx
1027     libx264
1028     libxavs
1029     libxvid
1030     lpc
1031     lsp
1032     mdct
1033     memalign_hack
1034     mlib
1035     mpegaudiodsp
1036     network
1037     nonfree
1038     openal
1039     pic
1040     postproc
1041     rdft
1042     rtpdec
1043     runtime_cpudetect
1044     shared
1045     sinewin
1046     small
1047     sram
1048     static
1049     swresample
1050     swscale
1051     swscale_alpha
1052     thumb
1053     vaapi
1054     vdpau
1055     version3
1056     x11grab
1057     zlib
1058 "
1059
1060 THREADS_LIST='
1061     pthreads
1062     w32threads
1063 '
1064
1065 ARCH_LIST='
1066     alpha
1067     arm
1068     avr32
1069     avr32_ap
1070     avr32_uc
1071     bfin
1072     ia64
1073     m68k
1074     mips
1075     mips64
1076     parisc
1077     ppc
1078     ppc64
1079     s390
1080     sh4
1081     sparc
1082     sparc64
1083     tomi
1084     x86
1085     x86_32
1086     x86_64
1087 '
1088
1089 ARCH_EXT_LIST='
1090     altivec
1091     amd3dnow
1092     amd3dnowext
1093     armv5te
1094     armv6
1095     armv6t2
1096     armvfp
1097     avx
1098     iwmmxt
1099     mmi
1100     mmx
1101     mmx2
1102     neon
1103     ppc4xx
1104     sse
1105     ssse3
1106     vfpv3
1107     vis
1108 '
1109
1110 HAVE_LIST_PUB='
1111     bigendian
1112     fast_unaligned
1113 '
1114
1115 HAVE_LIST="
1116     $ARCH_EXT_LIST
1117     $HAVE_LIST_PUB
1118     $THREADS_LIST
1119     aligned_stack
1120     alsa_asoundlib_h
1121     altivec_h
1122     arpa_inet_h
1123     asm_mod_y
1124     attribute_may_alias
1125     attribute_packed
1126     bswap
1127     closesocket
1128     cmov
1129     dcbzl
1130     dev_bktr_ioctl_bt848_h
1131     dev_bktr_ioctl_meteor_h
1132     dev_ic_bt8xx_h
1133     dev_video_meteor_ioctl_meteor_h
1134     dev_video_bktr_ioctl_bt848_h
1135     dlfcn_h
1136     dlopen
1137     dos_paths
1138     ebp_available
1139     ebx_available
1140     exp2
1141     exp2f
1142     fast_64bit
1143     fast_clz
1144     fast_cmov
1145     fcntl
1146     fork
1147     getaddrinfo
1148     gethrtime
1149     GetProcessMemoryInfo
1150     GetProcessTimes
1151     getrusage
1152     gnu_as
1153     struct_rusage_ru_maxrss
1154     ibm_asm
1155     inet_aton
1156     inline_asm
1157     isatty
1158     kbhit
1159     ldbrx
1160     llrint
1161     llrintf
1162     local_aligned_16
1163     local_aligned_8
1164     localtime_r
1165     log2
1166     log2f
1167     loongson
1168     lrint
1169     lrintf
1170     lzo1x_999_compress
1171     machine_ioctl_bt848_h
1172     machine_ioctl_meteor_h
1173     malloc_h
1174     MapViewOfFile
1175     memalign
1176     mkstemp
1177     mmap
1178     PeekNamedPipe
1179     posix_memalign
1180     round
1181     roundf
1182     sdl
1183     sdl_video_size
1184     setmode
1185     sndio_h
1186     socklen_t
1187     soundcard_h
1188     poll_h
1189     setrlimit
1190     strerror_r
1191     strptime
1192     struct_addrinfo
1193     struct_ipv6_mreq
1194     struct_sockaddr_in6
1195     struct_sockaddr_sa_len
1196     struct_sockaddr_storage
1197     symver
1198     symver_gnu_asm
1199     symver_asm_label
1200     sys_mman_h
1201     sys_resource_h
1202     sys_select_h
1203     sys_soundcard_h
1204     sys_videoio_h
1205     termios_h
1206     threads
1207     trunc
1208     truncf
1209     vfp_args
1210     VirtualAlloc
1211     winsock2_h
1212     xform_asm
1213     xmm_clobbers
1214     yasm
1215 "
1216
1217 # options emitted with CONFIG_ prefix but not available on command line
1218 CONFIG_EXTRA="
1219     avutil
1220     gplv3
1221     lgplv3
1222 "
1223
1224 CMDLINE_SELECT="
1225     $ARCH_EXT_LIST
1226     $CONFIG_LIST
1227     $THREADS_LIST
1228     asm
1229     cross_compile
1230     debug
1231     extra_warnings
1232     logging
1233     optimizations
1234     stripping
1235     symver
1236     yasm
1237 "
1238
1239 PATHS_LIST='
1240     bindir
1241     datadir
1242     incdir
1243     libdir
1244     mandir
1245     prefix
1246     shlibdir
1247 '
1248
1249 CMDLINE_SET="
1250     $PATHS_LIST
1251     ar
1252     arch
1253     as
1254     build_suffix
1255     progs_suffix
1256     cc
1257     cpu
1258     cross_prefix
1259     cxx
1260     dep_cc
1261     extra_version
1262     host_cc
1263     host_cflags
1264     host_ldflags
1265     host_libs
1266     host_os
1267     install
1268     ld
1269     logfile
1270     malloc_prefix
1271     nm
1272     optflags
1273     pkg_config
1274     samples
1275     strip
1276     sysinclude
1277     sysroot
1278     target_exec
1279     target_os
1280     target_path
1281 "
1282
1283 CMDLINE_APPEND="
1284     extra_cflags
1285     extra_cxxflags
1286 "
1287
1288 # code dependency declarations
1289
1290 # architecture extensions
1291
1292 armv5te_deps="arm"
1293 armv6_deps="arm"
1294 armv6t2_deps="arm"
1295 armvfp_deps="arm"
1296 iwmmxt_deps="arm"
1297 neon_deps="arm"
1298 vfpv3_deps="armvfp"
1299
1300 mmi_deps="mips"
1301
1302 altivec_deps="ppc"
1303 ppc4xx_deps="ppc"
1304
1305 vis_deps="sparc"
1306
1307 x86_64_suggest="cmov fast_cmov"
1308 amd3dnow_deps="mmx"
1309 amd3dnowext_deps="amd3dnow"
1310 mmx_deps="x86"
1311 mmx2_deps="mmx"
1312 sse_deps="mmx"
1313 ssse3_deps="sse"
1314 avx_deps="ssse3"
1315
1316 aligned_stack_if_any="ppc x86"
1317 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1318 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1319 fast_unaligned_if_any="armv6 ppc x86"
1320
1321 need_memalign="altivec neon sse"
1322 inline_asm_deps="!tms470"
1323
1324 symver_if_any="symver_asm_label symver_gnu_asm"
1325
1326 # subsystems
1327 dct_select="rdft"
1328 mdct_select="fft"
1329 rdft_select="fft"
1330 mpegaudiodsp_select="dct"
1331
1332 # decoders / encoders / hardware accelerators
1333 aac_decoder_select="mdct sinewin"
1334 aac_encoder_select="mdct sinewin"
1335 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1336 ac3_decoder_select="mdct ac3dsp ac3_parser"
1337 ac3_encoder_select="mdct ac3dsp"
1338 ac3_fixed_encoder_select="mdct ac3dsp"
1339 alac_encoder_select="lpc"
1340 amrnb_decoder_select="lsp"
1341 amrwb_decoder_select="lsp"
1342 atrac1_decoder_select="mdct sinewin"
1343 atrac3_decoder_select="mdct"
1344 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1345 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1346 cavs_decoder_select="golomb"
1347 cook_decoder_select="mdct sinewin"
1348 cscd_decoder_suggest="zlib"
1349 dca_decoder_select="mdct"
1350 dnxhd_encoder_select="aandct"
1351 dxa_decoder_select="zlib"
1352 eac3_decoder_select="ac3_decoder"
1353 eac3_encoder_select="mdct ac3dsp"
1354 eamad_decoder_select="aandct"
1355 eatgq_decoder_select="aandct"
1356 eatqi_decoder_select="aandct"
1357 ffv1_decoder_select="golomb"
1358 flac_decoder_select="golomb"
1359 flac_encoder_select="golomb lpc"
1360 flashsv_decoder_select="zlib"
1361 flashsv_encoder_select="zlib"
1362 flashsv2_encoder_select="zlib"
1363 flashsv2_decoder_select="zlib"
1364 flv_decoder_select="h263_decoder"
1365 flv_encoder_select="h263_encoder"
1366 fraps_decoder_select="huffman"
1367 h261_encoder_select="aandct"
1368 h263_decoder_select="h263_parser"
1369 h263_encoder_select="aandct"
1370 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1371 h263i_decoder_select="h263_decoder"
1372 h263p_encoder_select="h263_encoder"
1373 h264_decoder_select="golomb h264dsp h264pred"
1374 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1375 h264_dxva2_hwaccel_deps="dxva2api_h"
1376 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1377 h264_vaapi_hwaccel_select="vaapi"
1378 h264_vdpau_decoder_select="vdpau h264_decoder"
1379 imc_decoder_select="fft mdct sinewin"
1380 jpegls_decoder_select="golomb"
1381 jpegls_encoder_select="golomb"
1382 ljpeg_encoder_select="aandct"
1383 loco_decoder_select="golomb"
1384 mjpeg_encoder_select="aandct"
1385 mlp_decoder_select="mlp_parser"
1386 mp1_decoder_select="mpegaudiodsp"
1387 mp2_decoder_select="mpegaudiodsp"
1388 mp3adu_decoder_select="mpegaudiodsp"
1389 mp3_decoder_select="mpegaudiodsp"
1390 mp3on4_decoder_select="mpegaudiodsp"
1391 mp1float_decoder_select="mpegaudiodsp"
1392 mp2float_decoder_select="mpegaudiodsp"
1393 mp3adufloat_decoder_select="mpegaudiodsp"
1394 mp3float_decoder_select="mpegaudiodsp"
1395 mp3on4float_decoder_select="mpegaudiodsp"
1396 mpeg1video_encoder_select="aandct"
1397 mpeg2video_encoder_select="aandct"
1398 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1399 mpeg4_encoder_select="h263_encoder"
1400 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1401 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1402 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1403 mpeg2_crystalhd_decoder_select="crystalhd"
1404 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1405 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1406 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1407 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1408 mpeg4_crystalhd_decoder_select="crystalhd"
1409 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1410 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1411 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1412 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1413 msmpeg4_crystalhd_decoder_select="crystalhd"
1414 msmpeg4v1_decoder_select="h263_decoder"
1415 msmpeg4v1_encoder_select="h263_encoder"
1416 msmpeg4v2_decoder_select="h263_decoder"
1417 msmpeg4v2_encoder_select="h263_encoder"
1418 msmpeg4v3_decoder_select="h263_decoder"
1419 msmpeg4v3_encoder_select="h263_encoder"
1420 nellymoser_decoder_select="mdct sinewin"
1421 nellymoser_encoder_select="mdct sinewin"
1422 png_decoder_select="zlib"
1423 png_encoder_select="zlib"
1424 qcelp_decoder_select="lsp"
1425 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1426 ra_144_encoder_select="lpc"
1427 rv10_decoder_select="h263_decoder"
1428 rv10_encoder_select="h263_encoder"
1429 rv20_decoder_select="h263_decoder"
1430 rv20_encoder_select="h263_encoder"
1431 rv30_decoder_select="golomb h264pred"
1432 rv40_decoder_select="golomb h264pred"
1433 shorten_decoder_select="golomb"
1434 sipr_decoder_select="lsp"
1435 snow_decoder_select="dwt"
1436 snow_encoder_select="aandct dwt"
1437 sonic_decoder_select="golomb"
1438 sonic_encoder_select="golomb"
1439 sonic_ls_encoder_select="golomb"
1440 svq1_encoder_select="aandct"
1441 svq3_decoder_select="golomb h264dsp h264pred"
1442 svq3_decoder_suggest="zlib"
1443 theora_decoder_select="vp3_decoder"
1444 tiff_decoder_suggest="zlib"
1445 tiff_encoder_suggest="zlib"
1446 truehd_decoder_select="mlp_decoder"
1447 tscc_decoder_select="zlib"
1448 twinvq_decoder_select="mdct lsp sinewin"
1449 vc1_decoder_select="h263_decoder"
1450 vc1_crystalhd_decoder_select="crystalhd"
1451 vc1_dxva2_hwaccel_deps="dxva2api_h"
1452 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1453 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1454 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1455 vc1image_decoder_select="vc1_decoder"
1456 vorbis_decoder_select="mdct"
1457 vorbis_encoder_select="mdct"
1458 vp6_decoder_select="huffman"
1459 vp6a_decoder_select="vp6_decoder"
1460 vp6f_decoder_select="vp6_decoder"
1461 vp8_decoder_select="h264pred"
1462 wmapro_decoder_select="mdct sinewin"
1463 wmav1_decoder_select="mdct sinewin"
1464 wmav1_encoder_select="mdct sinewin"
1465 wmav2_decoder_select="mdct sinewin"
1466 wmav2_encoder_select="mdct sinewin"
1467 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1468 wmv1_decoder_select="h263_decoder"
1469 wmv1_encoder_select="h263_encoder"
1470 wmv2_decoder_select="h263_decoder"
1471 wmv2_encoder_select="h263_encoder"
1472 wmv3_decoder_select="vc1_decoder"
1473 wmv3_crystalhd_decoder_select="crystalhd"
1474 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1475 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1476 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1477 wmv3image_decoder_select="wmv3_decoder"
1478 zlib_decoder_select="zlib"
1479 zlib_encoder_select="zlib"
1480 zmbv_decoder_select="zlib"
1481 zmbv_encoder_select="zlib"
1482
1483 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1484 vaapi_deps="va_va_h"
1485 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1486
1487 # parsers
1488 h264_parser_select="golomb h264dsp h264pred"
1489
1490 # external libraries
1491 libaacplus_encoder_deps="libaacplus"
1492 libcelt_decoder_deps="libcelt"
1493 libdirac_decoder_deps="libdirac !libschroedinger"
1494 libdirac_encoder_deps="libdirac"
1495 libfaac_encoder_deps="libfaac"
1496 libgsm_decoder_deps="libgsm"
1497 libgsm_encoder_deps="libgsm"
1498 libgsm_ms_decoder_deps="libgsm"
1499 libgsm_ms_encoder_deps="libgsm"
1500 libmodplug_demuxer_deps="libmodplug"
1501 libmp3lame_encoder_deps="libmp3lame"
1502 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1503 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1504 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1505 libopenjpeg_decoder_deps="libopenjpeg"
1506 libschroedinger_decoder_deps="libschroedinger"
1507 libschroedinger_encoder_deps="libschroedinger"
1508 libspeex_decoder_deps="libspeex"
1509 libspeex_encoder_deps="libspeex"
1510 libstagefright_h264_decoder_deps="libstagefright_h264"
1511 libtheora_encoder_deps="libtheora"
1512 libvo_aacenc_encoder_deps="libvo_aacenc"
1513 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1514 libvorbis_encoder_deps="libvorbis"
1515 libvpx_decoder_deps="libvpx"
1516 libvpx_encoder_deps="libvpx"
1517 libx264_encoder_deps="libx264"
1518 libxavs_encoder_deps="libxavs"
1519 libxvid_encoder_deps="libxvid"
1520 libutvideo_decoder_deps="libutvideo gpl"
1521
1522 # demuxers / muxers
1523 ac3_demuxer_select="ac3_parser"
1524 asf_stream_muxer_select="asf_muxer"
1525 avisynth_demuxer_deps="avisynth"
1526 dirac_demuxer_select="dirac_parser"
1527 eac3_demuxer_select="ac3_parser"
1528 flac_demuxer_select="flac_parser"
1529 ipod_muxer_select="mov_muxer"
1530 libnut_demuxer_deps="libnut"
1531 libnut_muxer_deps="libnut"
1532 matroska_audio_muxer_select="matroska_muxer"
1533 matroska_demuxer_suggest="zlib bzlib"
1534 mov_demuxer_suggest="zlib"
1535 mp3_demuxer_select="mpegaudio_parser"
1536 mp4_muxer_select="mov_muxer"
1537 mpegtsraw_demuxer_select="mpegts_demuxer"
1538 mxf_d10_muxer_select="mxf_muxer"
1539 ogg_demuxer_select="golomb"
1540 psp_muxer_select="mov_muxer"
1541 rtp_demuxer_select="sdp_demuxer"
1542 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1543 rtsp_demuxer_select="http_protocol rtpdec"
1544 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1545 sap_demuxer_select="sdp_demuxer"
1546 sap_muxer_select="rtp_muxer rtp_protocol"
1547 sdp_demuxer_select="rtpdec"
1548 spdif_muxer_select="aac_parser"
1549 tg2_muxer_select="mov_muxer"
1550 tgp_muxer_select="mov_muxer"
1551 w64_demuxer_deps="wav_demuxer"
1552
1553 # indevs / outdevs
1554 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1555 alsa_outdev_deps="alsa_asoundlib_h"
1556 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1557 dshow_indev_deps="IBaseFilter"
1558 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1559 dv1394_indev_deps="dv1394 dv_demuxer"
1560 fbdev_indev_deps="linux_fb_h"
1561 jack_indev_deps="jack_jack_h sem_timedwait"
1562 lavfi_indev_deps="avfilter"
1563 libcdio_indev_deps="libcdio"
1564 libdc1394_indev_deps="libdc1394"
1565 openal_indev_deps="openal"
1566 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1567 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1568 sdl_outdev_deps="sdl"
1569 sndio_indev_deps="sndio_h"
1570 sndio_outdev_deps="sndio_h"
1571 v4l_indev_deps="linux_videodev_h"
1572 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1573 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1574 vfwcap_indev_extralibs="-lavicap32"
1575 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1576 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1577
1578 # protocols
1579 gopher_protocol_deps="network"
1580 http_protocol_deps="network"
1581 http_protocol_select="tcp_protocol"
1582 mmsh_protocol_select="http_protocol"
1583 mmst_protocol_deps="network"
1584 rtmp_protocol_select="tcp_protocol"
1585 rtp_protocol_select="udp_protocol"
1586 tcp_protocol_deps="network"
1587 udp_protocol_deps="network"
1588
1589 # filters
1590 amovie_filter_deps="avcodec avformat"
1591 blackframe_filter_deps="gpl"
1592 boxblur_filter_deps="gpl"
1593 cropdetect_filter_deps="gpl"
1594 delogo_filter_deps="gpl"
1595 drawtext_filter_deps="libfreetype"
1596 frei0r_filter_deps="frei0r dlopen"
1597 frei0r_src_filter_deps="frei0r dlopen"
1598 hqdn3d_filter_deps="gpl"
1599 movie_filter_deps="avcodec avformat"
1600 mp_filter_deps="gpl avcodec"
1601 mptestsrc_filter_deps="gpl"
1602 negate_filter_deps="lut_filter"
1603 ocv_filter_deps="libopencv"
1604 scale_filter_deps="swscale"
1605 yadif_filter_deps="gpl"
1606
1607 # libraries
1608 avdevice_deps="avcodec avformat"
1609 avformat_deps="avcodec"
1610 postproc_deps="gpl"
1611
1612 # programs
1613 ffmpeg_deps="avcodec avformat swscale swresample"
1614 ffmpeg_select="buffer_filter buffersink_filter"
1615 avconv_deps="avcodec avformat swscale"
1616 avconv_select="buffer_filter"
1617 ffplay_deps="avcodec avformat swscale sdl"
1618 ffplay_select="buffersink_filter rdft"
1619 ffprobe_deps="avcodec avformat"
1620 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1621 ffserver_extralibs='$ldl'
1622
1623 doc_deps="texi2html"
1624
1625 # tests
1626
1627 test_deps(){
1628     suf1=$1
1629     suf2=$2
1630     shift 2
1631     for v; do
1632         dep=${v%=*}
1633         tests=${v#*=}
1634         for name in ${tests}; do
1635             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1636         done
1637     done
1638 }
1639
1640 mxf_d10_test_deps="avfilter"
1641 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1642
1643 test_deps _encoder _decoder                                             \
1644     adpcm_g726=g726                                                     \
1645     adpcm_ima_qt                                                        \
1646     adpcm_ima_wav                                                       \
1647     adpcm_ms                                                            \
1648     adpcm_swf                                                           \
1649     adpcm_yamaha=adpcm_yam                                              \
1650     alac                                                                \
1651     asv1                                                                \
1652     asv2                                                                \
1653     bmp                                                                 \
1654     dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1655     dvvideo="dv dv50"                                                   \
1656     ffv1                                                                \
1657     flac                                                                \
1658     flashsv                                                             \
1659     flv                                                                 \
1660     gif                                                                 \
1661     h261                                                                \
1662     h263="h263 h263p"                                                   \
1663     huffyuv                                                             \
1664     jpegls                                                              \
1665     mjpeg="jpg mjpeg ljpeg"                                             \
1666     mp2                                                                 \
1667     mpeg1video="mpeg mpeg1b"                                            \
1668     mpeg2video="mpeg2 mpeg2thread"                                      \
1669     mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc"                 \
1670     msmpeg4v3=msmpeg4                                                   \
1671     msmpeg4v2                                                           \
1672     pbm=pbmpipe                                                         \
1673     pcx                                                                 \
1674     pgm="pgm pgmpipe"                                                   \
1675     png                                                                 \
1676     ppm="ppm ppmpipe"                                                   \
1677     rawvideo="rgb yuv"                                                  \
1678     roq                                                                 \
1679     rv10                                                                \
1680     rv20                                                                \
1681     sgi                                                                 \
1682     snow="snow snowll"                                                  \
1683     svq1                                                                \
1684     targa=tga                                                           \
1685     tiff                                                                \
1686     wmav1                                                               \
1687     wmav2                                                               \
1688     wmv1                                                                \
1689     wmv2                                                                \
1690
1691 test_deps _muxer _demuxer                                               \
1692     aiff                                                                \
1693     pcm_alaw=alaw                                                       \
1694     asf                                                                 \
1695     au                                                                  \
1696     avi                                                                 \
1697     dv=dv_fmt                                                           \
1698     ffm                                                                 \
1699     flv=flv_fmt                                                         \
1700     gxf                                                                 \
1701     matroska=mkv                                                        \
1702     mmf                                                                 \
1703     mov                                                                 \
1704     pcm_mulaw=mulaw                                                     \
1705     mxf="mxf mxf_d10"                                                   \
1706     nut                                                                 \
1707     ogg                                                                 \
1708     rawvideo=pixfmt                                                     \
1709     rm                                                                  \
1710     swf                                                                 \
1711     mpegts=ts                                                           \
1712     voc                                                                 \
1713     wav                                                                 \
1714     yuv4mpegpipe=yuv4mpeg                                               \
1715
1716 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1717 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1718
1719 # default parameters
1720
1721 logfile="config.log"
1722
1723 # installation paths
1724 prefix_default="/usr/local"
1725 bindir_default='${prefix}/bin'
1726 datadir_default='${prefix}/share/ffmpeg'
1727 incdir_default='${prefix}/include'
1728 libdir_default='${prefix}/lib'
1729 mandir_default='${prefix}/share/man'
1730 shlibdir_default="$libdir_default"
1731
1732 # toolchain
1733 ar_default="ar"
1734 cc_default="gcc"
1735 cxx_default="g++"
1736 cc_version=\"unknown\"
1737 host_cc_default="gcc"
1738 install="install"
1739 ln_s="ln -sf"
1740 nm_default="nm"
1741 objformat="elf"
1742 pkg_config_default=pkg-config
1743 ranlib="ranlib"
1744 strip_default="strip"
1745 yasmexe="yasm"
1746 nogas=":"
1747
1748 nm_opts='-g'
1749
1750 # machine
1751 arch_default=$(uname -m)
1752 cpu="generic"
1753
1754 # OS
1755 target_os_default=$(tolower $(uname -s))
1756 host_os=$target_os_default
1757
1758 # configurable options
1759 enable avcodec
1760 enable avdevice
1761 enable avfilter
1762 enable avformat
1763 enable avutil
1764 enable asm
1765 enable debug
1766 enable doc
1767 enable fastdiv
1768 enable ffmpeg
1769 enable avconv
1770 enable ffplay
1771 enable ffprobe
1772 enable ffserver
1773 enable network
1774 enable optimizations
1775 enable postproc
1776 enable protocols
1777 enable static
1778 enable stripping
1779 enable swresample
1780 enable swscale
1781 enable swscale_alpha
1782
1783 # build settings
1784 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1785 FFSERVERLDFLAGS=-Wl,-E
1786 LIBPREF="lib"
1787 LIBSUF=".a"
1788 FULLNAME='$(NAME)$(BUILDSUF)'
1789 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1790 SLIBPREF="lib"
1791 SLIBSUF=".so"
1792 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1793 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1794 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1795 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1796 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1797 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1798
1799 AS_O='-o $@'
1800 CC_O='-o $@'
1801 CXX_O='-o $@'
1802
1803 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1804 host_libs='-lm'
1805
1806 target_path='$(CURDIR)'
1807
1808 # since the object filename is not given with the -MM flag, the compiler
1809 # is only able to print the basename, and we must add the path ourselves
1810 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1811 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1812
1813 # find source path
1814 if test -f configure; then
1815     source_path=.
1816 else
1817     source_path=$(cd $(dirname "$0"); pwd)
1818     echo "$source_path" | grep -q '[[:blank:]]' &&
1819         die "Out of tree builds are impossible with whitespace in source path."
1820     test -e "$source_path/config.h" &&
1821         die "Out of tree builds are impossible with config.h in source dir."
1822 fi
1823
1824 for v in "$@"; do
1825     r=${v#*=}
1826     l=${v%"$r"}
1827     r=$(sh_quote "$r")
1828     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1829 done
1830
1831 find_things(){
1832     thing=$1
1833     pattern=$2
1834     file=$source_path/$3
1835     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1836 }
1837
1838 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1839 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1840 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1841 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1842 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1843 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1844 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1845 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1846 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1847 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1848 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1849
1850 find_tests(){
1851     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1852 }
1853
1854 ACODEC_TESTS=$(find_tests acodec)
1855 VCODEC_TESTS=$(find_tests vsynth1)
1856 LAVF_TESTS=$(find_tests lavf)
1857 LAVFI_TESTS=$(find_tests lavfi)
1858 SEEK_TESTS=$(find_tests seek seek_)
1859
1860 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1861
1862 for n in $COMPONENT_LIST; do
1863     v=$(toupper ${n%s})_LIST
1864     eval enable \$$v
1865     eval ${n}_if_any="\$$v"
1866 done
1867
1868 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1869
1870 die_unknown(){
1871     echo "Unknown option \"$1\"."
1872     echo "See $0 --help for available options."
1873     exit 1
1874 }
1875
1876 show_list() {
1877     suffix=_$1
1878     shift
1879     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1880     exit 0
1881 }
1882
1883 for opt do
1884     optval="${opt#*=}"
1885     case "$opt" in
1886     --extra-ldflags=*) add_ldflags $optval
1887     ;;
1888     --extra-libs=*) add_extralibs $optval
1889     ;;
1890     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1891     ;;
1892     --enable-debug=*) debuglevel="$optval"
1893     ;;
1894     --disable-everything)
1895     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1896     ;;
1897     --enable-*=*|--disable-*=*)
1898     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1899     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1900     eval list=\$$(toupper $thing)_LIST
1901     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1902     $action $(filter "$name" $list)
1903     ;;
1904     --enable-?*|--disable-?*)
1905     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1906     if is_in $option $COMPONENT_LIST; then
1907         test $action = disable && action=unset
1908         eval $action \$$(toupper ${option%s})_LIST
1909     elif is_in $option $CMDLINE_SELECT; then
1910         $action $option
1911     else
1912         die_unknown $opt
1913     fi
1914     ;;
1915     --list-*)
1916         NAME="${opt#--list-}"
1917         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1918         NAME=${NAME%s}
1919         eval show_list $NAME \$$(toupper $NAME)_LIST
1920     ;;
1921     --help|-h) show_help
1922     ;;
1923     *)
1924     optname="${opt%%=*}"
1925     optname="${optname#--}"
1926     optname=$(echo "$optname" | sed 's/-/_/g')
1927     if is_in $optname $CMDLINE_SET; then
1928         eval $optname='$optval'
1929     elif is_in $optname $CMDLINE_APPEND; then
1930         append $optname "$optval"
1931     else
1932          die_unknown $opt
1933     fi
1934     ;;
1935     esac
1936 done
1937
1938 disabled logging && logfile=/dev/null
1939
1940 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1941 set >> $logfile
1942
1943 test -n "$cross_prefix" && enable cross_compile
1944
1945 if enabled cross_compile; then
1946     test -n "$arch" && test -n "$target_os" ||
1947         die "Must specify target arch and OS when cross-compiling"
1948 fi
1949
1950 set_default arch target_os
1951
1952 ar_default="${cross_prefix}${ar_default}"
1953 cc_default="${cross_prefix}${cc_default}"
1954 cxx_default="${cross_prefix}${cxx_default}"
1955 nm_default="${cross_prefix}${nm_default}"
1956 pkg_config_default="${cross_prefix}${pkg_config_default}"
1957 ranlib="${cross_prefix}${ranlib}"
1958 strip_default="${cross_prefix}${strip_default}"
1959
1960 sysinclude_default="${sysroot}/usr/include"
1961
1962 set_default cc cxx nm pkg_config strip sysinclude
1963 enabled cross_compile || host_cc_default=$cc
1964 set_default host_cc
1965
1966 if ! $pkg_config --version >/dev/null 2>&1; then
1967     warn "$pkg_config not found, library detection may fail."
1968     pkg_config=false
1969 fi
1970
1971 exesuf() {
1972     case $1 in
1973         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1974     esac
1975 }
1976
1977 EXESUF=$(exesuf $target_os)
1978 HOSTEXESUF=$(exesuf $host_os)
1979
1980 # set temporary file name
1981 : ${TMPDIR:=$TEMPDIR}
1982 : ${TMPDIR:=$TMP}
1983 : ${TMPDIR:=/tmp}
1984
1985 if ! check_cmd mktemp -u XXXXXX; then
1986     # simple replacement for missing mktemp
1987     # NOT SAFE FOR GENERAL USE
1988     mktemp(){
1989         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1990     }
1991 fi
1992
1993 tmpfile(){
1994     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1995         (set -C; exec > $tmp) 2>/dev/null ||
1996         die "Unable to create temporary file in $TMPDIR."
1997     append TMPFILES $tmp
1998     eval $1=$tmp
1999 }
2000
2001 trap 'rm -f -- $TMPFILES' EXIT
2002
2003 tmpfile TMPC  .c
2004 tmpfile TMPCPP .cpp
2005 tmpfile TMPE  $EXESUF
2006 tmpfile TMPH  .h
2007 tmpfile TMPO  .o
2008 tmpfile TMPS  .S
2009 tmpfile TMPV  .ver
2010 tmpfile TMPSH .sh
2011 tmpfile TMPASM .asm
2012
2013 unset -f mktemp
2014
2015 chmod +x $TMPE
2016
2017 # make sure we can execute files in $TMPDIR
2018 cat > $TMPSH 2>> $logfile <<EOF
2019 #! /bin/sh
2020 EOF
2021 chmod +x $TMPSH >> $logfile 2>&1
2022 if ! $TMPSH >> $logfile 2>&1; then
2023     cat <<EOF
2024 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2025 variable to another directory and make sure that it is not mounted noexec.
2026 EOF
2027     die "Sanity test failed."
2028 fi
2029
2030 filter_cflags=echo
2031 filter_cppflags=echo
2032 filter_asflags=echo
2033
2034 if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2035     cc_type=llvm_gcc
2036     cc_version=__VERSION__
2037     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
2038     cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
2039     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2040     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2041     speed_cflags='-O3'
2042     size_cflags='-Os'
2043 elif $cc -v 2>&1 | grep -qi ^gcc; then
2044     cc_type=gcc
2045     cc_version=__VERSION__
2046     gcc_version=$($cc --version | head -n1)
2047     gcc_basever=$($cc -dumpversion)
2048     gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2049     gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2050     cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2051     if ! $cc -dumpversion | grep -q '^2\.'; then
2052         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2053         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2054     fi
2055     speed_cflags='-O3'
2056     size_cflags='-Os'
2057 elif $cc --version 2>/dev/null | grep -q Intel; then
2058     cc_type=icc
2059     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
2060     cc_ident=$($cc --version | head -n1)
2061     icc_version=$($cc -dumpversion)
2062     CC_DEPFLAGS='-MMD'
2063     AS_DEPFLAGS='-MMD'
2064     speed_cflags='-O3'
2065     size_cflags='-Os'
2066     noopt_cflags='-O1'
2067 elif $cc -v 2>&1 | grep -q xlc; then
2068     cc_type=xlc
2069     cc_version="AV_STRINGIFY(__IBMC__)"
2070     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2071     speed_cflags='-O5'
2072     size_cflags='-O5 -qcompact'
2073 elif $cc -V 2>/dev/null | grep -q Compaq; then
2074     cc_type=ccc
2075     cc_version="AV_STRINGIFY(__DECC_VER)"
2076     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2077     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2078     debuglevel=3
2079     add_ldflags -Wl,-z,now # calls to libots crash without this
2080     speed_cflags='-fast'
2081     size_cflags='-O1'
2082 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2083     test -d "$sysroot" || die "No valid sysroot specified."
2084     cc_type=armcc
2085     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2086     cc_ident=$($cc --vsn | head -n1)
2087     armcc_conf="$PWD/armcc.conf"
2088     $cc --arm_linux_configure                 \
2089         --arm_linux_config_file="$armcc_conf" \
2090         --configure_sysroot="$sysroot"        \
2091         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2092         die "Error creating armcc configuration file."
2093     $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2094     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2095     as_default="${cross_prefix}gcc"
2096     CC_DEPFLAGS='-MMD'
2097     AS_DEPFLAGS='-MMD'
2098     speed_cflags='-O3'
2099     size_cflags='-Os'
2100     filter_asflags="filter_out -W${armcc_opt}*"
2101 elif $cc -version 2>/dev/null | grep -q TMS470; then
2102     cc_type=tms470
2103     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2104     cc_ident=$($cc -version | head -n1 | tr -s ' ')
2105     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2106     CC_O='-fr=$(@D)'
2107     as_default="${cross_prefix}gcc"
2108     ld_default="${cross_prefix}gcc"
2109     TMPO=$(basename $TMPC .c).o
2110     append TMPFILES $TMPO
2111     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2112     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2113     AS_DEPFLAGS='-MMD'
2114     speed_cflags='-O3 -mf=5'
2115     size_cflags='-O3 -mf=2'
2116     filter_cflags=tms470_flags
2117     tms470_flags(){
2118         for flag; do
2119             case $flag in
2120                 -march=*|-mcpu=*)
2121                     case "${flag#*=}" in
2122                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
2123                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
2124                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
2125                         armv6*|arm11*)          echo -mv=6   ;;
2126                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2127                                                 echo -mv=5e  ;;
2128                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2129                     esac
2130                     ;;
2131                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2132                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
2133                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2134                 -msoft-float)   echo --float_support=vfplib       ;;
2135                 -O[0-3]|-mf=*)  echo $flag                        ;;
2136                 -g)             echo -g -mn                       ;;
2137                 -pds=*)         echo $flag                        ;;
2138             esac
2139         done
2140     }
2141 elif $cc -v 2>&1 | grep -q clang; then
2142     cc_type=clang
2143     $cc -dM -E $TMPC | grep -q __clang_version__ &&
2144         cc_version=__clang_version__ || cc_version=__VERSION__
2145     cc_ident=$($cc --version | head -n1)
2146     CC_DEPFLAGS='-MMD'
2147     AS_DEPFLAGS='-MMD'
2148     speed_cflags='-O3'
2149     size_cflags='-Os'
2150 elif $cc -V 2>&1 | grep -q Sun; then
2151     cc_type=suncc
2152     cc_version="AV_STRINGIFY(__SUNPRO_C)"
2153     cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2154     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2155     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2156     add_ldflags -xc99
2157     speed_cflags='-O5'
2158     size_cflags='-O5 -xspace'
2159     filter_cflags=suncc_flags
2160     suncc_flags(){
2161         for flag; do
2162             case $flag in
2163                 -march=*|-mcpu=*)
2164                     case "${flag#*=}" in
2165                         native)                   echo -xtarget=native       ;;
2166                         v9|niagara)               echo -xarch=sparc          ;;
2167                         ultrasparc)               echo -xarch=sparcvis       ;;
2168                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2169                         i586|pentium)             echo -xchip=pentium        ;;
2170                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2171                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2172                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2173                         pentium4*)          echo -xtarget=pentium4           ;;
2174                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2175                         *-sse3)             echo -xarch=sse3                 ;;
2176                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
2177                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2178                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2179                         k8|opteron|athlon64|athlon-fx)
2180                                                   echo -xarch=sse2a          ;;
2181                         athlon*)                  echo -xarch=pentium_proa   ;;
2182                     esac
2183                     ;;
2184                 -std=c99)             echo -xc99              ;;
2185                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
2186                 -fPIC)                echo -KPIC -xcode=pic32 ;;
2187                 -W*,*)                echo $flag              ;;
2188                 -f*-*|-W*)                                    ;;
2189                 *)                    echo $flag              ;;
2190             esac
2191         done
2192     }
2193 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2194     cc_type=pathscale
2195     cc_version=__PATHSCALE__
2196     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2197     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2198     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2199     speed_cflags='-O2'
2200     size_cflags='-Os'
2201     filter_cflags='filter_out -Wdisabled-optimization'
2202 elif $cc -v 2>&1 | grep -q Open64; then
2203     cc_type=open64
2204     cc_version=__OPEN64__
2205     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2206     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2207     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2208     speed_cflags='-O2'
2209     size_cflags='-Os'
2210     filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2211 fi
2212
2213 test -n "$cc_type" && enable $cc_type ||
2214     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2215
2216 : ${as_default:=$cc}
2217 : ${dep_cc_default:=$cc}
2218 : ${ld_default:=$cc}
2219 set_default ar as dep_cc ld
2220
2221 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2222 test -n "$CXX_DEPFLAGS" || CXXDEP=$DEPEND_CMD
2223 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2224
2225 add_cflags $extra_cflags
2226 add_cxxflags $extra_cxxflags
2227 add_asflags $extra_cflags
2228
2229 if test -n "$sysroot"; then
2230     case "$cc_type" in
2231         gcc|llvm_gcc|clang)
2232             add_cppflags --sysroot="$sysroot"
2233             add_ldflags --sysroot="$sysroot"
2234         ;;
2235         tms470)
2236             add_cppflags -I"$sysinclude"
2237             add_ldflags  --sysroot="$sysroot"
2238         ;;
2239     esac
2240 fi
2241
2242 if test "$cpu" = host; then
2243     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2244
2245     case "$cc_type" in
2246         gcc|llvm_gcc)
2247             check_native(){
2248                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2249                 sed -n "/cc1.*$1=/{
2250                             s/.*$1=\\([^ ]*\\).*/\\1/
2251                             p
2252                             q
2253                         }" $TMPE
2254             }
2255             cpu=$(check_native -march || check_native -mcpu)
2256         ;;
2257     esac
2258
2259     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2260 fi
2261
2262 # Deal with common $arch aliases
2263 case "$arch" in
2264     arm*)
2265         arch="arm"
2266     ;;
2267     mips|mipsel|IP*)
2268         arch="mips"
2269     ;;
2270     mips64*)
2271         arch="mips"
2272         subarch="mips64"
2273     ;;
2274     parisc|hppa)
2275         arch="parisc"
2276     ;;
2277     parisc64|hppa64)
2278         arch="parisc"
2279         subarch="parisc64"
2280     ;;
2281     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2282         arch="ppc"
2283     ;;
2284     s390|s390x)
2285         arch="s390"
2286     ;;
2287     sh4|sh)
2288         arch="sh4"
2289     ;;
2290     sun4u|sparc64)
2291         arch="sparc"
2292         subarch="sparc64"
2293     ;;
2294     i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2295         arch="x86"
2296     ;;
2297 esac
2298
2299 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2300 enable $arch
2301
2302 # Add processor-specific flags
2303 if test "$cpu" = generic; then
2304     : do nothing
2305 elif enabled ppc; then
2306
2307     case $(tolower $cpu) in
2308         601|ppc601|powerpc601)
2309             cpuflags="-mcpu=601"
2310             disable altivec
2311         ;;
2312         603*|ppc603*|powerpc603*)
2313             cpuflags="-mcpu=603"
2314             disable altivec
2315         ;;
2316         604*|ppc604*|powerpc604*)
2317             cpuflags="-mcpu=604"
2318             disable altivec
2319         ;;
2320         g3|75*|ppc75*|powerpc75*)
2321             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2322             disable altivec
2323         ;;
2324         g4|745*|ppc745*|powerpc745*)
2325             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2326         ;;
2327         74*|ppc74*|powerpc74*)
2328             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2329         ;;
2330         g5|970|ppc970|powerpc970|power4*)
2331             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2332         ;;
2333         cell)
2334             cpuflags="-mcpu=cell"
2335             enable ldbrx
2336         ;;
2337         e500v2)
2338             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2339             disable altivec
2340         ;;
2341         e500)
2342             cpuflags="-mcpu=8540 -mhard-float"
2343             disable altivec
2344         ;;
2345     esac
2346
2347 elif enabled x86; then
2348
2349     case $cpu in
2350         i[345]86|pentium)
2351             cpuflags="-march=$cpu"
2352             disable mmx
2353         ;;
2354         # targets that do NOT support conditional mov (cmov)
2355         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2356             cpuflags="-march=$cpu"
2357             disable cmov
2358         ;;
2359         # targets that do support conditional mov (cmov)
2360         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2361             cpuflags="-march=$cpu"
2362             enable cmov
2363             enable fast_cmov
2364         ;;
2365         # targets that do support conditional mov but on which it's slow
2366         pentium4|pentium4m|prescott|nocona)
2367             cpuflags="-march=$cpu"
2368             enable cmov
2369             disable fast_cmov
2370         ;;
2371     esac
2372
2373 elif enabled sparc; then
2374
2375     case $cpu in
2376         niagara)
2377             cpuflags="-mcpu=$cpu"
2378             disable vis
2379         ;;
2380         sparc64)
2381             cpuflags="-mcpu=v9"
2382         ;;
2383     esac
2384
2385 elif enabled arm; then
2386
2387     case $cpu in
2388         armv*)
2389             cpuflags="-march=$cpu"
2390             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2391         ;;
2392         *)
2393             cpuflags="-mcpu=$cpu"
2394             case $cpu in
2395                 cortex-a*)                               subarch=armv7a  ;;
2396                 cortex-r*)                               subarch=armv7r  ;;
2397                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2398                 arm11*)                                  subarch=armv6   ;;
2399                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2400                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2401             esac
2402         ;;
2403     esac
2404
2405 elif enabled alpha; then
2406
2407     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2408
2409 elif enabled bfin; then
2410
2411     cpuflags="-mcpu=$cpu"
2412
2413 elif enabled mips; then
2414
2415     cpuflags="-march=$cpu"
2416
2417 elif enabled avr32; then
2418
2419     case $cpu in
2420         ap7[02]0[0-2])
2421             subarch="avr32_ap"
2422             cpuflags="-mpart=$cpu"
2423         ;;
2424         ap)
2425             subarch="avr32_ap"
2426             cpuflags="-march=$cpu"
2427         ;;
2428         uc3[ab]*)
2429             subarch="avr32_uc"
2430             cpuflags="-mcpu=$cpu"
2431         ;;
2432         uc)
2433             subarch="avr32_uc"
2434             cpuflags="-march=$cpu"
2435         ;;
2436     esac
2437
2438 fi
2439
2440 add_cflags $cpuflags
2441 add_asflags $cpuflags
2442
2443 # compiler sanity check
2444 check_exec <<EOF
2445 int main(void){ return 0; }
2446 EOF
2447 if test "$?" != 0; then
2448     echo "$cc is unable to create an executable file."
2449     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2450         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2451         echo "Only do this if you know what cross compiling means."
2452     fi
2453     die "C compiler test failed."
2454 fi
2455
2456 add_cppflags -D_ISOC99_SOURCE
2457 add_cxxflags -D__STDC_CONSTANT_MACROS
2458 check_cflags -std=c99
2459 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2460 #include <stdlib.h>
2461 EOF
2462 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2463 #include <stdlib.h>
2464 EOF
2465
2466 check_host_cflags -std=c99
2467 check_host_cflags -Wall
2468
2469 case "$arch" in
2470     alpha|ia64|mips|parisc|sparc)
2471         spic=$shared
2472     ;;
2473     x86)
2474         subarch="x86_32"
2475         check_cc <<EOF && subarch="x86_64"
2476         int test[(int)sizeof(char*) - 7];
2477 EOF
2478         if test "$subarch" = "x86_64"; then
2479             spic=$shared
2480         fi
2481     ;;
2482     ppc)
2483         check_cc <<EOF && subarch="ppc64"
2484         int test[(int)sizeof(char*) - 7];
2485 EOF
2486     ;;
2487 esac
2488
2489 enable $subarch
2490 enabled spic && enable pic
2491
2492 # OS specific
2493 case $target_os in
2494     haiku)
2495         prefix_default="/boot/common"
2496         network_extralibs="-lnetwork"
2497         host_libs=
2498         ;;
2499     sunos)
2500         FFSERVERLDFLAGS=""
2501         SHFLAGS='-shared -Wl,-h,$$(@F)'
2502         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2503         network_extralibs="-lsocket -lnsl"
2504         add_cppflags -D__EXTENSIONS__
2505         # When using suncc to build, the Solaris linker will mark
2506         # an executable with each instruction set encountered by
2507         # the Solaris assembler.  As our libraries contain their own
2508         # guards for processor-specific code, instead suppress
2509         # generation of the HWCAPS ELF section on Solaris x86 only.
2510         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2511         nm_opts='-P -g'
2512         ;;
2513     netbsd)
2514         disable symver
2515         oss_indev_extralibs="-lossaudio"
2516         oss_outdev_extralibs="-lossaudio"
2517         ;;
2518     openbsd)
2519         enable malloc_aligned
2520         # On OpenBSD 4.5. the compiler does not use PIC unless
2521         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2522         # however the generated executable will not do anything
2523         # (simply quits with exit-code 1, no crash, no output).
2524         # Thus explicitly enable PIC here.
2525         enable pic
2526         disable symver
2527         SHFLAGS='-shared'
2528         oss_indev_extralibs="-lossaudio"
2529         oss_outdev_extralibs="-lossaudio"
2530         ;;
2531     dragonfly)
2532         enable malloc_aligned
2533         disable symver
2534         ;;
2535     freebsd)
2536         enable malloc_aligned
2537         ;;
2538     bsd/os)
2539         add_extralibs -lpoll -lgnugetopt
2540         strip="strip -d"
2541         ;;
2542     darwin)
2543         enable malloc_aligned
2544         gas="gas-preprocessor.pl $cc"
2545         enabled ppc && add_asflags -force_cpusubtype_ALL
2546         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2547         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2548         strip="${strip} -x"
2549         add_ldflags -Wl,-dynamic,-search_paths_first
2550         SLIBSUF=".dylib"
2551         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2552         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2553         FFSERVERLDFLAGS=-Wl,-bind_at_load
2554         objformat="macho"
2555         enabled x86_64 && objformat="macho64"
2556         enabled_any pic shared ||
2557             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2558         ;;
2559     mingw32*)
2560         if test $target_os = "mingw32ce"; then
2561             disable network
2562         else
2563             target_os=mingw32
2564         fi
2565         LIBTARGET=i386
2566         if enabled x86_64; then
2567             enable malloc_aligned
2568             LIBTARGET=x64
2569         elif enabled arm; then
2570             LIBTARGET=arm-wince
2571         fi
2572         shlibdir_default="$bindir_default"
2573         SLIBPREF=""
2574         SLIBSUF=".dll"
2575         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2576         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2577         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2578         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2579         SLIB_INSTALL_LINKS=
2580         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2581         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2582         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'
2583         objformat="win32"
2584         enable dos_paths
2585         check_cflags -fno-common
2586         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2587                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2588                 die "ERROR: MinGW runtime version must be >= 3.15."
2589         add_cppflags -U__STRICT_ANSI__
2590         ;;
2591     cygwin*)
2592         target_os=cygwin
2593         shlibdir_default="$bindir_default"
2594         SLIBPREF="cyg"
2595         SLIBSUF=".dll"
2596         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2597         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2598         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2599         objformat="win32"
2600         enable dos_paths
2601         check_cflags -fno-common
2602         add_cppflags -U__STRICT_ANSI__
2603         ;;
2604     *-dos|freedos|opendos)
2605         network_extralibs="-lsocket"
2606         objformat="coff"
2607         enable dos_paths
2608         add_cppflags -U__STRICT_ANSI__
2609         ;;
2610     linux)
2611         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2612         enable dv1394
2613         ;;
2614     irix*)
2615         target_os=irix
2616         ranlib="echo ignoring ranlib"
2617         ;;
2618     os/2*)
2619         strip="lxlite -CS"
2620         ln_s="cp -f"
2621         objformat="aout"
2622         add_cppflags -D_GNU_SOURCE
2623         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2624         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2625         FFSERVERLDFLAGS=""
2626         LIBSUF="_s.a"
2627         SLIBPREF=""
2628         SLIBSUF=".dll"
2629         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2630         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2631         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2632           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2633           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2634           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2635           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2636           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2637         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2638           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2639         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2640         enable dos_paths
2641         ;;
2642     gnu/kfreebsd)
2643         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2644         ;;
2645     gnu)
2646         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2647         ;;
2648     qnx)
2649         add_cppflags -D_QNX_SOURCE
2650         network_extralibs="-lsocket"
2651         ;;
2652     symbian)
2653         SLIBSUF=".dll"
2654         enable dos_paths
2655         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2656         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2657         add_ldflags -Wl,--target1-abs,--no-undefined \
2658                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2659                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2660         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2661                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2662                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2663         ;;
2664     none)
2665         ;;
2666     *)
2667         die "Unknown OS '$target_os'."
2668         ;;
2669 esac
2670
2671 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2672
2673 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2674
2675 set_default $PATHS_LIST
2676
2677 # we need to build at least one lib type
2678 if ! enabled_any static shared; then
2679     cat <<EOF
2680 At least one library type must be built.
2681 Specify --enable-static to build the static libraries or --enable-shared to
2682 build the shared libraries as well. To only build the shared libraries specify
2683 --disable-static in addition to --enable-shared.
2684 EOF
2685     exit 1;
2686 fi
2687
2688 die_license_disabled() {
2689     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2690 }
2691
2692 die_license_disabled gpl libcdio
2693 die_license_disabled gpl libx264
2694 die_license_disabled gpl libxavs
2695 die_license_disabled gpl libxvid
2696 die_license_disabled gpl x11grab
2697
2698 die_license_disabled nonfree libaacplus
2699 die_license_disabled nonfree libfaac
2700
2701 die_license_disabled version3 libopencore_amrnb
2702 die_license_disabled version3 libopencore_amrwb
2703 die_license_disabled version3 libvo_aacenc
2704 die_license_disabled version3 libvo_amrwbenc
2705
2706 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2707
2708 disabled optimizations || check_cflags -fomit-frame-pointer
2709
2710 enable_pic() {
2711     enable pic
2712     add_cppflags -DPIC
2713     add_cflags   -fPIC
2714     add_asflags  -fPIC
2715 }
2716
2717 enabled pic && enable_pic
2718
2719 check_cc <<EOF || die "Symbol mangling check failed."
2720 int ff_extern;
2721 EOF
2722 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2723 extern_prefix=${sym%%ff_extern*}
2724
2725 check_cc <<EOF && enable inline_asm
2726 void foo(void) { __asm__ volatile ("" ::); }
2727 EOF
2728
2729 _restrict=
2730 for restrict_keyword in restrict __restrict__ __restrict; do
2731     check_cc <<EOF && _restrict=$restrict_keyword && break
2732 void foo(char * $restrict_keyword p);
2733 EOF
2734 done
2735
2736 check_cc <<EOF && enable attribute_packed
2737 struct { int x; } __attribute__((packed)) x;
2738 EOF
2739
2740 check_cc <<EOF && enable attribute_may_alias
2741 union { int x; } __attribute__((may_alias)) x;
2742 EOF
2743
2744 check_cc <<EOF || die "endian test failed"
2745 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2746 EOF
2747 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2748
2749 if enabled alpha; then
2750
2751     check_cflags -mieee
2752
2753 elif enabled arm; then
2754
2755     enabled thumb && check_cflags -mthumb || check_cflags -marm
2756     nogas=die
2757
2758     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2759         enable vfp_args
2760     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2761         case "${cross_prefix:-$cc}" in
2762             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2763             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2764 __asm__ (".eabi_attribute 28, 1");
2765 int main(void) { return 0; }
2766 EOF
2767         esac
2768         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2769     fi
2770
2771     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2772     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2773     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2774     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2775     enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2776     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2777     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
2778
2779     check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2780
2781     enabled_all armv6t2 shared !pic && enable_pic
2782
2783 elif enabled mips; then
2784
2785     check_asm loongson '"dmult.g $1, $2, $3"'
2786     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2787
2788 elif enabled ppc; then
2789
2790     enable local_aligned_8 local_aligned_16
2791
2792     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2793     check_asm ibm_asm   '"add 0, 0, 0"'
2794     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2795     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2796
2797     # AltiVec flags: The FSF version of GCC differs from the Apple version
2798     if enabled altivec; then
2799         nogas=warn
2800         check_cflags -maltivec -mabi=altivec &&
2801         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2802         check_cflags -faltivec
2803
2804         # check if our compiler supports Motorola AltiVec C API
2805         check_cc <<EOF || disable altivec
2806 $inc_altivec_h
2807 int main(void) {
2808     vector signed int v1, v2, v3;
2809     v1 = vec_add(v2,v3);
2810     return 0;
2811 }
2812 EOF
2813
2814         # check if our compiler supports braces for vector declarations
2815         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2816 $inc_altivec_h
2817 int main (void) { (vector int) {1}; return 0; }
2818 EOF
2819     fi
2820
2821 elif enabled sparc; then
2822
2823     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2824         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2825
2826 elif enabled x86; then
2827
2828     enable local_aligned_8 local_aligned_16
2829
2830     # check whether EBP is available on x86
2831     # As 'i' is stored on the stack, this program will crash
2832     # if the base pointer is used to access it because the
2833     # base pointer is cleared in the inline assembly code.
2834     check_exec_crash <<EOF && enable ebp_available
2835     volatile int i=0;
2836     __asm__ volatile (
2837         "xorl %%ebp, %%ebp"
2838     ::: "%ebp");
2839     return i;
2840 EOF
2841
2842     # check whether EBX is available on x86
2843     check_asm ebx_available '""::"b"(0)' &&
2844         check_asm ebx_available '"":::"%ebx"'
2845
2846     # check whether xmm clobbers are supported
2847     check_asm xmm_clobbers '"":::"%xmm0"'
2848
2849     # check whether binutils is new enough to compile SSSE3/MMX2
2850     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2851     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2852
2853     check_asm bswap '"bswap %%eax" ::: "%eax"'
2854
2855     if ! disabled_any asm mmx yasm; then
2856         if check_cmd $yasmexe --version; then
2857             enabled x86_64 && yasm_extra="-m amd64"
2858             yasm_debug="-g dwarf2"
2859         elif check_cmd nasm -v; then
2860             yasmexe=nasm
2861             yasm_debug="-g -F dwarf"
2862             enabled x86_64 && test "$objformat" = elf && objformat=elf64
2863         fi
2864
2865         YASMFLAGS="-f $objformat $yasm_extra"
2866         enabled pic               && append YASMFLAGS "-DPIC"
2867         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2868         case "$objformat" in
2869             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2870         esac
2871
2872         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2873             die "yasm not found, use --disable-yasm for a crippled build"
2874         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2875     fi
2876
2877     case "$cpu" in
2878         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2879             disable fast_clz
2880         ;;
2881     esac
2882
2883 fi
2884
2885 if enabled asm; then
2886     as=${gas:=$as}
2887     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2888         $nogas "GNU assembler not found, install gas-preprocessor"
2889 fi
2890
2891 check_ldflags -Wl,--as-needed
2892
2893 if check_func dlopen; then
2894     ldl=
2895 elif check_func dlopen -ldl; then
2896     ldl=-ldl
2897 fi
2898
2899 if enabled network; then
2900     check_type "sys/types.h sys/socket.h" socklen_t
2901     check_type netdb.h "struct addrinfo"
2902     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2903     check_type netinet/in.h "struct sockaddr_in6"
2904     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2905     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2906     # Prefer arpa/inet.h over winsock2
2907     if check_header arpa/inet.h ; then
2908         check_func closesocket
2909     elif check_header winsock2.h ; then
2910         check_func_headers winsock2.h closesocket -lws2 && \
2911             network_extralibs="-lws2" || \
2912         { check_func_headers winsock2.h closesocket -lws2_32 && \
2913             network_extralibs="-lws2_32"; }
2914         check_type ws2tcpip.h socklen_t
2915         check_type ws2tcpip.h "struct addrinfo"
2916         check_type ws2tcpip.h "struct ipv6_mreq"
2917         check_type ws2tcpip.h "struct sockaddr_in6"
2918         check_type ws2tcpip.h "struct sockaddr_storage"
2919         check_struct winsock2.h "struct sockaddr" sa_len
2920     else
2921         disable network
2922     fi
2923 fi
2924
2925 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2926 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2927
2928 check_func  fcntl
2929 check_func  fork
2930 check_func  getaddrinfo $network_extralibs
2931 check_func  gethrtime
2932 check_func  getrusage
2933 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2934 check_func  inet_aton $network_extralibs
2935 check_func  isatty
2936 check_func  localtime_r
2937 check_func  ${malloc_prefix}memalign            && enable memalign
2938 check_func  mkstemp
2939 check_func  mmap
2940 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2941 check_func  setrlimit
2942 check_func  strerror_r
2943 check_func  strptime
2944 check_func_headers conio.h kbhit
2945 check_func_headers windows.h PeekNamedPipe
2946 check_func_headers io.h setmode
2947 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2948 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2949 check_func_headers windows.h GetProcessTimes
2950 check_func_headers windows.h MapViewOfFile
2951 check_func_headers windows.h VirtualAlloc
2952
2953 check_header dlfcn.h
2954 check_header dxva2api.h -D_WIN32_WINNT=0x0600
2955 check_header libcrystalhd/libcrystalhd_if.h
2956 check_header malloc.h
2957 check_header poll.h
2958 check_header sys/mman.h
2959 check_header sys/resource.h
2960 check_header sys/select.h
2961 check_header termios.h
2962 check_header vdpau/vdpau.h
2963 check_header vdpau/vdpau_x11.h
2964 check_header X11/extensions/XvMClib.h
2965
2966 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2967 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2968
2969 # check for some common methods of building with pthread support
2970 # do this before the optional library checks as some of them require pthreads
2971 if ! disabled pthreads && ! enabled w32threads; then
2972     enable pthreads
2973     if check_func pthread_create; then
2974         :
2975     elif check_func pthread_create -pthread; then
2976         add_cflags -pthread
2977         add_extralibs -pthread
2978     elif check_func pthread_create -pthreads; then
2979         add_cflags -pthreads
2980         add_extralibs -pthreads
2981     elif check_func pthread_create -lpthreadGC2; then
2982         add_extralibs -lpthreadGC2
2983     elif ! check_lib pthread.h pthread_create -lpthread; then
2984         disable pthreads
2985     fi
2986 fi
2987
2988 for thread in $THREADS_LIST; do
2989     if enabled $thread; then
2990         test -n "$thread_type" &&
2991             die "ERROR: Only one thread type must be selected." ||
2992             thread_type="$thread"
2993     fi
2994 done
2995
2996 check_lib math.h sin -lm && LIBM="-lm"
2997 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
2998 enabled vaapi && require vaapi va/va.h vaInitialize -lva
2999
3000 check_mathfunc exp2
3001 check_mathfunc exp2f
3002 check_mathfunc llrint
3003 check_mathfunc llrintf
3004 check_mathfunc log2
3005 check_mathfunc log2f
3006 check_mathfunc lrint
3007 check_mathfunc lrintf
3008 check_mathfunc round
3009 check_mathfunc roundf
3010 check_mathfunc trunc
3011 check_mathfunc truncf
3012
3013 # these are off by default, so fail if requested and not available
3014 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3015 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0
3016 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3017 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3018 enabled libdc1394  && require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new
3019 enabled libdirac   && require_pkg_config dirac                          \
3020     "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h"  \
3021     "dirac_decoder_init dirac_encoder_init"
3022 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3023 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3024 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3025 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3026 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3027 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3028 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3029 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3030 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3031 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3032 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3033 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3034 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3035 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3036     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3037     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder
3038 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3039 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3040 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3041 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3042 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3043 enabled libvpx     && {
3044     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3045                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3046     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
3047                                 die "ERROR: libvpx encoder version must be >=0.9.6"; } }
3048 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3049                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3050                         die "ERROR: libx264 version must be >= 0.118."; }
3051 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3052 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3053 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3054                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3055                         die "ERROR: openal not found"; } &&
3056                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3057                         die "ERROR: openal version must be 1.1 or compatible"; }
3058 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
3059
3060 SDL_CONFIG="${cross_prefix}sdl-config"
3061 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
3062     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3063     enable sdl &&
3064     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3065 else
3066   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3067     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3068     sdl_libs=$("${SDL_CONFIG}" --libs)
3069     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3070     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3071     enable sdl &&
3072     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3073   fi
3074 fi
3075 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3076
3077 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3078
3079 check_header linux/fb.h
3080 check_header linux/videodev.h
3081 check_header linux/videodev2.h
3082 check_header sys/videoio.h
3083
3084 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3085 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3086 # w32api 3.12 had it defined wrong
3087 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3088
3089 check_type "dshow.h" IBaseFilter
3090
3091 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3092 { check_header dev/bktr/ioctl_meteor.h &&
3093   check_header dev/bktr/ioctl_bt848.h; } ||
3094 { check_header machine/ioctl_meteor.h &&
3095   check_header machine/ioctl_bt848.h; } ||
3096 { check_header dev/video/meteor/ioctl_meteor.h &&
3097   check_header dev/video/bktr/ioctl_bt848.h; } ||
3098 check_header dev/ic/bt8xx.h
3099
3100 check_header sndio.h
3101 if check_struct sys/soundcard.h audio_buf_info bytes; then
3102     enable_safe sys/soundcard.h
3103 else
3104     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3105     #include <sys/soundcard.h>
3106     audio_buf_info abc;
3107 EOF
3108 fi
3109 check_header soundcard.h
3110
3111 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3112
3113 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait
3114
3115 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3116
3117 enabled libcdio &&
3118     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3119
3120 enabled x11grab                         &&
3121 check_header X11/Xlib.h                 &&
3122 check_header X11/extensions/XShm.h      &&
3123 check_header X11/extensions/Xfixes.h    &&
3124 check_func XOpenDisplay -lX11           &&
3125 check_func XShmCreateImage -lX11 -lXext &&
3126 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
3127
3128 if ! disabled vaapi; then
3129     check_lib va/va.h vaInitialize -lva && {
3130         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3131         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3132     } || disable vaapi
3133 fi
3134
3135 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3136 check_cpp_condition \
3137     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3138     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3139       disable vdpau; }
3140 fi
3141
3142 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3143
3144 # add some useful compiler flags if supported
3145 check_cflags -Wdeclaration-after-statement
3146 check_cflags -Wall
3147 check_cflags -Wno-parentheses
3148 check_cflags -Wno-switch
3149 check_cflags -Wno-format-zero-length
3150 check_cflags -Wdisabled-optimization
3151 check_cflags -Wpointer-arith
3152 check_cflags -Wredundant-decls
3153 check_cflags -Wno-pointer-sign
3154 check_cflags -Wcast-qual
3155 check_cflags -Wwrite-strings
3156 check_cflags -Wtype-limits
3157 check_cflags -Wundef
3158 check_cflags -Wmissing-prototypes
3159 check_cflags -Wno-pointer-to-int-cast
3160 check_cflags -Wstrict-prototypes
3161 enabled extra_warnings && check_cflags -Winline
3162
3163 # add some linker flags
3164 check_ldflags -Wl,--warn-common
3165 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3166 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3167
3168 echo "X{};" > $TMPV
3169 if test_ldflags -Wl,--version-script,$TMPV; then
3170     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3171     check_cc <<EOF && enable symver_asm_label
3172 void ff_foo(void) __asm__ ("av_foo@VERSION");
3173 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3174 EOF
3175     check_cc <<EOF && enable symver_gnu_asm
3176 __asm__(".symver ff_foo,av_foo@VERSION");
3177 void ff_foo(void) {}
3178 EOF
3179 fi
3180
3181 if [ -n "$optflags" ]; then
3182     add_cflags $optflags
3183 elif enabled small; then
3184     add_cflags $size_cflags
3185 elif enabled optimizations; then
3186     add_cflags $speed_cflags
3187 else
3188     add_cflags $noopt_cflags
3189 fi
3190 check_cflags -fno-math-errno
3191 check_cflags -fno-signed-zeros
3192 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3193 int x;
3194 EOF
3195
3196
3197 if enabled icc; then
3198     # Just warnings, no remarks
3199     check_cflags -w1
3200     # -wd: Disable following warnings
3201     # 144, 167, 556: -Wno-pointer-sign
3202     # 1292: attribute "foo" ignored
3203     # 10006: ignoring unknown option -fno-signed-zeros
3204     # 10148: ignoring unknown option -Wno-parentheses
3205     # 10156: ignoring option '-W'; no argument required
3206     check_cflags -wd144,167,556,1292,10006,10148,10156
3207     # 11030: Warning unknown option --as-needed
3208     # 10156: ignoring option '-export'; no argument required
3209     check_ldflags -wd10156,11030
3210     # Allow to compile with optimizations
3211     check_ldflags -march=$cpu
3212     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3213     enable ebp_available
3214     if enabled x86_32; then
3215         test ${icc_version%%.*} -ge 11 && \
3216             check_cflags -falign-stack=maintain-16-byte || \
3217             disable aligned_stack
3218     fi
3219 elif enabled ccc; then
3220     # disable some annoying warnings
3221     add_cflags -msg_disable cvtu32to64
3222     add_cflags -msg_disable embedcomment
3223     add_cflags -msg_disable needconstext
3224     add_cflags -msg_disable nomainieee
3225     add_cflags -msg_disable ptrmismatch1
3226     add_cflags -msg_disable unreachcode
3227 elif enabled gcc; then
3228     check_cflags -fno-tree-vectorize
3229     check_cflags -Werror=implicit-function-declaration
3230     check_cflags -Werror=missing-prototypes
3231 elif enabled llvm_gcc; then
3232     check_cflags -mllvm -stack-alignment=16
3233 elif enabled clang; then
3234     check_cflags -mllvm -stack-alignment=16
3235     check_cflags -Qunused-arguments
3236 elif enabled armcc; then
3237     # 2523: use of inline assembler is deprecated
3238     add_cflags -W${armcc_opt},--diag_suppress=2523
3239     add_cflags -W${armcc_opt},--diag_suppress=1207
3240     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3241     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3242     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3243     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3244 elif enabled tms470; then
3245     add_cflags -pds=824 -pds=837
3246 elif enabled pathscale; then
3247     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3248 fi
3249
3250 enabled_any $THREADS_LIST      && enable threads
3251
3252 check_deps $CONFIG_LIST       \
3253            $CONFIG_EXTRA      \
3254            $HAVE_LIST         \
3255            $DECODER_LIST      \
3256            $ENCODER_LIST      \
3257            $HWACCEL_LIST      \
3258            $PARSER_LIST       \
3259            $BSF_LIST          \
3260            $DEMUXER_LIST      \
3261            $MUXER_LIST        \
3262            $FILTER_LIST       \
3263            $INDEV_LIST        \
3264            $OUTDEV_LIST       \
3265            $PROTOCOL_LIST     \
3266            $ACODEC_TESTS      \
3267            $VCODEC_TESTS      \
3268            $LAVF_TESTS        \
3269            $LAVFI_TESTS       \
3270            $SEEK_TESTS        \
3271
3272 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3273
3274 if test $target_os = "haiku"; then
3275     disable memalign
3276     disable posix_memalign
3277 fi
3278
3279 ! enabled_any memalign posix_memalign malloc_aligned &&
3280     enabled_any $need_memalign && enable memalign_hack
3281
3282 echo "install prefix            $prefix"
3283 echo "source path               $source_path"
3284 echo "C compiler                $cc"
3285 echo "ARCH                      $arch ($cpu)"
3286 if test "$build_suffix" != ""; then
3287     echo "build suffix              $build_suffix"
3288 fi
3289 if test "$progs_suffix" != ""; then
3290     echo "progs suffix              $progs_suffix"
3291 fi
3292 if test "$extra_version" != ""; then
3293     echo "version string suffix     $extra_version"
3294 fi
3295 echo "big-endian                ${bigendian-no}"
3296 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3297 if enabled x86; then
3298     echo "${yasmexe}                      ${yasm-no}"
3299     echo "MMX enabled               ${mmx-no}"
3300     echo "MMX2 enabled              ${mmx2-no}"
3301     echo "3DNow! enabled            ${amd3dnow-no}"
3302     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3303     echo "SSE enabled               ${sse-no}"
3304     echo "SSSE3 enabled             ${ssse3-no}"
3305     echo "AVX enabled               ${avx-no}"
3306     echo "CMOV enabled              ${cmov-no}"
3307     echo "CMOV is fast              ${fast_cmov-no}"
3308     echo "EBX available             ${ebx_available-no}"
3309     echo "EBP available             ${ebp_available-no}"
3310 fi
3311 if enabled arm; then
3312     echo "ARMv5TE enabled           ${armv5te-no}"
3313     echo "ARMv6 enabled             ${armv6-no}"
3314     echo "ARMv6T2 enabled           ${armv6t2-no}"
3315     echo "ARM VFP enabled           ${armvfp-no}"
3316     echo "IWMMXT enabled            ${iwmmxt-no}"
3317     echo "NEON enabled              ${neon-no}"
3318 fi
3319 if enabled mips; then
3320     echo "MMI enabled               ${mmi-no}"
3321 fi
3322 if enabled ppc; then
3323     echo "AltiVec enabled           ${altivec-no}"
3324     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3325     echo "dcbzl available           ${dcbzl-no}"
3326 fi
3327 if enabled sparc; then
3328     echo "VIS enabled               ${vis-no}"
3329 fi
3330 echo "debug symbols             ${debug-no}"
3331 echo "strip symbols             ${stripping-no}"
3332 echo "optimize for size         ${small-no}"
3333 echo "optimizations             ${optimizations-no}"
3334 echo "static                    ${static-no}"
3335 echo "shared                    ${shared-no}"
3336 echo "postprocessing support    ${postproc-no}"
3337 echo "new filter support        ${avfilter-no}"
3338 echo "network support           ${network-no}"
3339 echo "threading support         ${thread_type-no}"
3340 echo "SDL support               ${sdl-no}"
3341 echo "Sun medialib support      ${mlib-no}"
3342 echo "libdxva2 enabled          ${dxva2-no}"
3343 echo "libva enabled             ${vaapi-no}"
3344 echo "libvdpau enabled          ${vdpau-no}"
3345 echo "AVISynth enabled          ${avisynth-no}"
3346 echo "libcelt enabled           ${libcelt-no}"
3347 echo "frei0r enabled            ${frei0r-no}"
3348 echo "libcdio support           ${libcdio-no}"
3349 echo "libdc1394 support         ${libdc1394-no}"
3350 echo "libdirac enabled          ${libdirac-no}"
3351 echo "libfaac enabled           ${libfaac-no}"
3352 echo "libaacplus enabled        ${libaacplus-no}"
3353 echo "libgsm enabled            ${libgsm-no}"
3354 echo "libmodplug enabled        ${libmodplug-no}"
3355 echo "libmp3lame enabled        ${libmp3lame-no}"
3356 echo "libnut enabled            ${libnut-no}"
3357 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3358 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3359 echo "libopencv support         ${libopencv-no}"
3360 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3361 echo "librtmp enabled           ${librtmp-no}"
3362 echo "libschroedinger enabled   ${libschroedinger-no}"
3363 echo "libspeex enabled          ${libspeex-no}"
3364 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
3365 echo "libtheora enabled         ${libtheora-no}"
3366 echo "libutvideo enabled        ${libutvideo-no}"
3367 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3368 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3369 echo "libvorbis enabled         ${libvorbis-no}"
3370 echo "libvpx enabled            ${libvpx-no}"
3371 echo "libx264 enabled           ${libx264-no}"
3372 echo "libxavs enabled           ${libxavs-no}"
3373 echo "libxvid enabled           ${libxvid-no}"
3374 echo "openal enabled            ${openal-no}"
3375 echo "zlib enabled              ${zlib-no}"
3376 echo "bzlib enabled             ${bzlib-no}"
3377 echo
3378
3379 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3380     echo "Enabled ${type}s:"
3381     eval list=\$$(toupper $type)_LIST
3382     print_enabled '_*' $list | sort | pr -r -3 -t
3383     echo
3384 done
3385
3386 license="LGPL version 2.1 or later"
3387 if enabled nonfree; then
3388     license="nonfree and unredistributable"
3389 elif enabled gplv3; then
3390     license="GPL version 3 or later"
3391 elif enabled lgplv3; then
3392     license="LGPL version 3 or later"
3393 elif enabled gpl; then
3394     license="GPL version 2 or later"
3395 fi
3396
3397 echo "License: $license"
3398
3399 echo "Creating config.mak and config.h..."
3400
3401 test -e Makefile || $ln_s "$source_path/Makefile" .
3402
3403 enabled stripping || strip="echo skipping strip"
3404
3405 config_files="$TMPH config.mak"
3406
3407 cat > config.mak <<EOF
3408 # Automatically generated by configure - do not modify!
3409 ifndef FFMPEG_CONFIG_MAK
3410 FFMPEG_CONFIG_MAK=1
3411 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3412 prefix=$prefix
3413 LIBDIR=\$(DESTDIR)$libdir
3414 SHLIBDIR=\$(DESTDIR)$shlibdir
3415 INCDIR=\$(DESTDIR)$incdir
3416 BINDIR=\$(DESTDIR)$bindir
3417 DATADIR=\$(DESTDIR)$datadir
3418 MANDIR=\$(DESTDIR)$mandir
3419 SRC_PATH=$source_path
3420 ifndef MAIN_MAKEFILE
3421 SRC_PATH:=\$(SRC_PATH:.%=..%)
3422 endif
3423 CC_IDENT=$cc_ident
3424 ARCH=$arch
3425 CC=$cc
3426 CXX=$cxx
3427 AS=$as
3428 LD=$ld
3429 DEPCC=$dep_cc
3430 YASM=$yasmexe
3431 YASMDEP=$yasmexe
3432 AR=$ar
3433 RANLIB=$ranlib
3434 CP=cp -p
3435 LN_S=$ln_s
3436 STRIP=$strip
3437 CPPFLAGS=$CPPFLAGS
3438 CFLAGS=$CFLAGS
3439 CXXFLAGS=$CXXFLAGS
3440 ASFLAGS=$ASFLAGS
3441 AS_O=$CC_O
3442 CC_O=$CC_O
3443 CXX_O=$CXX_O
3444 LDFLAGS=$LDFLAGS
3445 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3446 SHFLAGS=$SHFLAGS
3447 YASMFLAGS=$YASMFLAGS
3448 BUILDSUF=$build_suffix
3449 PROGSSUF=$progs_suffix
3450 FULLNAME=$FULLNAME
3451 LIBPREF=$LIBPREF
3452 LIBSUF=$LIBSUF
3453 LIBNAME=$LIBNAME
3454 SLIBPREF=$SLIBPREF
3455 SLIBSUF=$SLIBSUF
3456 EXESUF=$EXESUF
3457 EXTRA_VERSION=$extra_version
3458 DEPFLAGS=$DEPFLAGS
3459 CCDEP=$CCDEP
3460 CXXDEP=$CXXDEP
3461 ASDEP=$ASDEP
3462 CC_DEPFLAGS=$CC_DEPFLAGS
3463 AS_DEPFLAGS=$AS_DEPFLAGS
3464 HOSTCC=$host_cc
3465 HOSTCFLAGS=$host_cflags
3466 HOSTEXESUF=$HOSTEXESUF
3467 HOSTLDFLAGS=$host_ldflags
3468 HOSTLIBS=$host_libs
3469 TARGET_EXEC=$target_exec
3470 TARGET_PATH=$target_path
3471 SDL_LIBS=$sdl_libs
3472 SDL_CFLAGS=$sdl_cflags
3473 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3474 EXTRALIBS=$extralibs
3475 INSTALL=$install
3476 LIBTARGET=${LIBTARGET}
3477 SLIBNAME=${SLIBNAME}
3478 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3479 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3480 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3481 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3482 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3483 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3484 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3485 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3486 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3487 NOREDZONE_FLAGS=$noredzone_flags
3488 EOF
3489
3490 get_version(){
3491     name=$1
3492     file=$source_path/$2
3493     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3494     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3495     lcname=$(tolower $name)
3496     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3497     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3498 }
3499
3500 get_version LIBSWSCALE  libswscale/swscale.h
3501 get_version LIBSWRESAMPLE libswresample/swresample.h
3502 get_version LIBPOSTPROC libpostproc/postprocess.h
3503 get_version LIBAVCODEC  libavcodec/version.h
3504 get_version LIBAVDEVICE libavdevice/avdevice.h
3505 get_version LIBAVFORMAT libavformat/version.h
3506 get_version LIBAVUTIL   libavutil/avutil.h
3507 get_version LIBAVFILTER libavfilter/avfilter.h
3508
3509 cat > $TMPH <<EOF
3510 /* Automatically generated by configure - do not modify! */
3511 #ifndef FFMPEG_CONFIG_H
3512 #define FFMPEG_CONFIG_H
3513 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3514 #define FFMPEG_LICENSE "$(c_escape $license)"
3515 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3516 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3517 #define CC_TYPE "$cc_type"
3518 #define CC_VERSION $cc_version
3519 #define restrict $_restrict
3520 #define EXTERN_PREFIX "${extern_prefix}"
3521 #define EXTERN_ASM ${extern_prefix}
3522 #define SLIBSUF "$SLIBSUF"
3523 EOF
3524
3525 test -n "$malloc_prefix" &&
3526     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3527
3528 if enabled small || disabled optimizations; then
3529     echo "#undef  av_always_inline"  >> $TMPH
3530     if enabled small; then
3531         echo "#define av_always_inline inline"  >> $TMPH
3532     else
3533         echo "#define av_always_inline av_unused"  >> $TMPH
3534     fi
3535 fi
3536
3537 if enabled yasm; then
3538     append config_files $TMPASM
3539     printf '' >$TMPASM
3540 fi
3541
3542 print_config ARCH_   "$config_files" $ARCH_LIST
3543 print_config HAVE_   "$config_files" $HAVE_LIST
3544 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3545                                      $CONFIG_EXTRA      \
3546                                      $DECODER_LIST      \
3547                                      $ENCODER_LIST      \
3548                                      $HWACCEL_LIST      \
3549                                      $PARSER_LIST       \
3550                                      $BSF_LIST          \
3551                                      $DEMUXER_LIST      \
3552                                      $MUXER_LIST        \
3553                                      $FILTER_LIST       \
3554                                      $PROTOCOL_LIST     \
3555                                      $INDEV_LIST        \
3556                                      $OUTDEV_LIST       \
3557
3558 cat >>config.mak <<EOF
3559 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3560 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3561 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3562 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3563 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3564 EOF
3565
3566 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3567 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3568
3569 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3570 cp_if_changed $TMPH config.h
3571 touch .config
3572
3573 enabled yasm && cp_if_changed $TMPASM config.asm
3574
3575 cat > $TMPH <<EOF
3576 /* Generated by ffconf */
3577 #ifndef AVUTIL_AVCONFIG_H
3578 #define AVUTIL_AVCONFIG_H
3579 EOF
3580
3581 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3582
3583 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3584
3585 cp_if_changed $TMPH libavutil/avconfig.h
3586
3587 test -n "$WARNINGS" && printf "\n$WARNINGS"
3588
3589 # build pkg-config files
3590
3591 pkgconfig_generate(){
3592 name=$1
3593 shortname=${name#lib}${build_suffix}
3594 comment=$2
3595 version=$3
3596 libs=$4
3597 requires=$5
3598 enabled ${name#lib} || return 0
3599 mkdir -p $name
3600 cat <<EOF > $name/$name.pc
3601 prefix=$prefix
3602 exec_prefix=\${prefix}
3603 libdir=$libdir
3604 includedir=$incdir
3605
3606 Name: $name
3607 Description: $comment
3608 Version: $version
3609 Requires: $(enabled shared || echo $requires)
3610 Requires.private: $(enabled shared && echo $requires)
3611 Conflicts:
3612 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3613 Libs.private: $(enabled shared && echo $libs)
3614 Cflags: -I\${includedir}
3615 EOF
3616 cat <<EOF > $name/$name-uninstalled.pc
3617 prefix=
3618 exec_prefix=
3619 libdir=\${pcfiledir}
3620 includedir=${source_path}
3621
3622 Name: $name
3623 Description: $comment
3624 Version: $version
3625 Requires: $requires
3626 Conflicts:
3627 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3628 Cflags: -I\${includedir}
3629 EOF
3630 }
3631
3632 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3633 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3634 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3635 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3636 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3637 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3638 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
3639 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"