Merge remote-tracking branch 'qatar/master'
[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 Help options:
63   --help                   print this message
64   --list-decoders          show all available decoders
65   --list-encoders          show all available encoders
66   --list-hwaccels          show all available hardware accelerators
67   --list-demuxers          show all available demuxers
68   --list-muxers            show all available muxers
69   --list-parsers           show all available parsers
70   --list-protocols         show all available protocols
71   --list-bsfs              show all available bitstream filters
72   --list-indevs            show all available input devices
73   --list-outdevs           show all available output devices
74   --list-filters           show all available filters
75
76 Standard options:
77   --logfile=FILE           log tests and output to FILE [config.log]
78   --disable-logging        do not log configure debug information
79   --prefix=PREFIX          install in PREFIX [$prefix]
80   --bindir=DIR             install binaries in DIR [PREFIX/bin]
81   --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
82   --libdir=DIR             install libs in DIR [PREFIX/lib]
83   --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
84   --incdir=DIR             install includes in DIR [PREFIX/include]
85   --mandir=DIR             install man page in DIR [PREFIX/share/man]
86
87 Licensing options:
88   --enable-gpl             allow use of GPL code, the resulting libs
89                            and binaries will be under GPL [no]
90   --enable-version3        upgrade (L)GPL to version 3 [no]
91   --enable-nonfree         allow use of nonfree code, the resulting libs
92                            and binaries will be unredistributable [no]
93
94 Configuration options:
95   --disable-static         do not build static libraries [no]
96   --enable-shared          build shared libraries [no]
97   --enable-small           optimize for size instead of speed
98   --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
99   --enable-gray            enable full grayscale support (slower color)
100   --disable-swscale-alpha  disable alpha channel support in swscale
101
102 Component options:
103   --disable-doc            do not build documentation
104   --disable-ffmpeg         disable ffmpeg build
105   --disable-ffplay         disable ffplay build
106   --disable-ffprobe        disable ffprobe build
107   --disable-ffserver       disable ffserver build
108   --disable-avdevice       disable libavdevice build
109   --disable-avcodec        disable libavcodec build
110   --disable-avformat       disable libavformat build
111   --disable-swresample     disable libswresample build
112   --disable-swscale        disable libswscale build
113   --disable-postproc       disable libpostproc build
114   --disable-avfilter       disable libavfilter build
115   --enable-avresample      enable libavresample build [no]
116   --disable-pthreads       disable pthreads [auto]
117   --disable-w32threads     disable Win32 threads [auto]
118   --disable-os2threads     disable OS/2 threads [auto]
119   --enable-x11grab         enable X11 grabbing [no]
120   --disable-network        disable network support [no]
121   --disable-dct            disable DCT code
122   --disable-dwt            disable DWT code
123   --disable-lsp            disable LSP code
124   --disable-mdct           disable MDCT code
125   --disable-rdft           disable RDFT code
126   --disable-fft            disable FFT code
127   --enable-dxva2           enable DXVA2 code
128   --enable-vaapi           enable VAAPI code [autodetect]
129   --enable-vda             enable VDA code   [autodetect]
130   --enable-vdpau           enable VDPAU code [autodetect]
131
132 Individual component options:
133   --disable-everything     disable all components listed below
134   --disable-encoder=NAME   disable encoder NAME
135   --enable-encoder=NAME    enable encoder NAME
136   --disable-encoders       disable all encoders
137   --disable-decoder=NAME   disable decoder NAME
138   --enable-decoder=NAME    enable decoder NAME
139   --disable-decoders       disable all decoders
140   --disable-hwaccel=NAME   disable hwaccel NAME
141   --enable-hwaccel=NAME    enable hwaccel NAME
142   --disable-hwaccels       disable all hwaccels
143   --disable-muxer=NAME     disable muxer NAME
144   --enable-muxer=NAME      enable muxer NAME
145   --disable-muxers         disable all muxers
146   --disable-demuxer=NAME   disable demuxer NAME
147   --enable-demuxer=NAME    enable demuxer NAME
148   --disable-demuxers       disable all demuxers
149   --enable-parser=NAME     enable parser NAME
150   --disable-parser=NAME    disable parser NAME
151   --disable-parsers        disable all parsers
152   --enable-bsf=NAME        enable bitstream filter NAME
153   --disable-bsf=NAME       disable bitstream filter NAME
154   --disable-bsfs           disable all bitstream filters
155   --enable-protocol=NAME   enable protocol NAME
156   --disable-protocol=NAME  disable protocol NAME
157   --disable-protocols      disable all protocols
158   --enable-indev=NAME      enable input device NAME
159   --disable-indev=NAME     disable input device NAME
160   --disable-indevs         disable input devices
161   --enable-outdev=NAME     enable output device NAME
162   --disable-outdev=NAME    disable output device NAME
163   --disable-outdevs        disable output devices
164   --disable-devices        disable all devices
165   --enable-filter=NAME     enable filter NAME
166   --disable-filter=NAME    disable filter NAME
167   --disable-filters        disable all filters
168
169 External library support:
170   --enable-avisynth        enable reading of AVISynth script files [no]
171   --enable-bzlib           enable bzlib [autodetect]
172   --enable-fontconfig      enable fontconfig
173   --enable-frei0r          enable frei0r video filtering
174   --enable-gnutls          enable gnutls [no]
175   --enable-libaacplus      enable AAC+ encoding via libaacplus [no]
176   --enable-libass          enable libass subtitles rendering [no]
177   --enable-libbluray       enable BluRay reading using libbluray [no]
178   --enable-libcaca         enable textual display using libcaca
179   --enable-libcelt         enable CELT decoding via libcelt [no]
180   --enable-libcdio         enable audio CD grabbing with libcdio
181   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
182                            and libraw1394 [no]
183   --enable-libfaac         enable AAC encoding via libfaac [no]
184   --enable-libfdk-aac      enable AAC encoding via libfdk-aac [no]
185   --enable-libflite        enable flite (voice synthesis) support via libflite [no]
186   --enable-libfreetype     enable libfreetype [no]
187   --enable-libgsm          enable GSM de/encoding via libgsm [no]
188   --enable-libiec61883     enable iec61883 via libiec61883 [no]
189   --enable-libilbc         enable iLBC de/encoding via libilbc [no]
190   --enable-libmodplug      enable ModPlug via libmodplug [no]
191   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
192   --enable-libnut          enable NUT (de)muxing via libnut,
193                            native (de)muxer exists [no]
194   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
195   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
196   --enable-libopencv       enable video filtering via libopencv [no]
197   --enable-libopenjpeg     enable JPEG 2000 de/encoding via OpenJPEG [no]
198   --enable-libopus         enable Opus decoding via libopus [no]
199   --enable-libpulse        enable Pulseaudio input via libpulse [no]
200   --enable-librtmp         enable RTMP[E] support via librtmp [no]
201   --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
202   --enable-libspeex        enable Speex de/encoding via libspeex [no]
203   --enable-libstagefright-h264  enable H.264 decoding via libstagefright [no]
204   --enable-libtheora       enable Theora encoding via libtheora [no]
205   --enable-libtwolame      enable MP2 encoding via libtwolame [no]
206   --enable-libutvideo      enable Ut Video encoding and decoding via libutvideo [no]
207   --enable-libv4l2         enable libv4l2/v4l-utils [no]
208   --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
209   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
210   --enable-libvorbis       enable Vorbis en/decoding via libvorbis,
211                            native implementation exists [no]
212   --enable-libvpx          enable VP8 de/encoding via libvpx [no]
213   --enable-libx264         enable H.264 encoding via x264 [no]
214   --enable-libxavs         enable AVS encoding via xavs [no]
215   --enable-libxvid         enable Xvid encoding via xvidcore,
216                            native MPEG-4/Xvid encoder exists [no]
217   --enable-openal          enable OpenAL 1.1 capture support [no]
218   --enable-openssl         enable openssl [no]
219   --enable-zlib            enable zlib [autodetect]
220
221 Advanced options (experts only):
222   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
223   --enable-cross-compile   assume a cross-compiler is used
224   --sysroot=PATH           root of cross-build tree
225   --sysinclude=PATH        location of cross-build system headers
226   --target-os=OS           compiler targets OS [$target_os]
227   --target-exec=CMD        command to run executables on target
228   --target-path=DIR        path to view of build directory on target
229   --nm=NM                  use nm tool NM [$nm_default]
230   --ar=AR                  use archive tool AR [$ar_default]
231   --as=AS                  use assembler AS [$as_default]
232   --yasmexe=EXE            use yasm-compatible assembler EXE [$yasmexe_default]
233   --cc=CC                  use C compiler CC [$cc_default]
234   --cxx=CXX                use C compiler CXX [$cxx_default]
235   --dep-cc=DEPCC           use dependency generator DEPCC [$cc_default]
236   --ld=LD                  use linker LD [$ld_default]
237   --host-cc=HOSTCC         use host C compiler HOSTCC
238   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
239   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
240   --host-libs=HLIBS        use libs HLIBS when linking for host
241   --host-os=OS             compiler host OS [$target_os]
242   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
243   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
244   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
245   --extra-libs=ELIBS       add ELIBS [$ELIBS]
246   --extra-version=STRING   version string suffix []
247   --optflags=OPTFLAGS      override optimization-related compiler flags
248   --build-suffix=SUFFIX    library name suffix []
249   --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX
250   --progs-suffix=SUFFIX    program name suffix []
251   --arch=ARCH              select architecture [$arch]
252   --cpu=CPU                select the minimum required CPU (affects
253                            instruction selection, may crash on older CPUs)
254   --enable-pic             build position-independent code
255   --enable-sram            allow use of on-chip SRAM
256   --enable-thumb           compile for Thumb instruction set
257   --disable-symver         disable symbol versioning
258   --disable-fastdiv        disable table-based division
259   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
260   --disable-safe-bitstream-reader
261                            disable buffer boundary checking in bitreaders
262                            (faster, but may crash)
263   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
264
265 Optimization options (experts only):
266   --disable-asm            disable all assembler optimizations
267   --disable-altivec        disable AltiVec optimizations
268   --disable-amd3dnow       disable 3DNow! optimizations
269   --disable-amd3dnowext    disable 3DNow! extended optimizations
270   --disable-mmx            disable MMX optimizations
271   --disable-mmxext         disable MMXEXT optimizations
272   --disable-sse            disable SSE optimizations
273   --disable-ssse3          disable SSSE3 optimizations
274   --disable-avx            disable AVX optimizations
275   --disable-fma4           disable FMA4 optimizations
276   --disable-armv5te        disable armv5te optimizations
277   --disable-armv6          disable armv6 optimizations
278   --disable-armv6t2        disable armv6t2 optimizations
279   --disable-armvfp         disable ARM VFP optimizations
280   --disable-mmi            disable MMI optimizations
281   --disable-neon           disable NEON optimizations
282   --disable-vis            disable VIS optimizations
283   --disable-yasm           disable use of yasm assembler
284   --disable-mips32r2       disable MIPS32R2 optimizations
285   --disable-mipsdspr1      disable MIPS DSP ASE R1 optimizations
286   --disable-mipsdspr2      disable MIPS DSP ASE R2 optimizations
287   --disable-mipsfpu        disable floating point MIPS optimizations
288   --disable-fast-unaligned consider unaligned accesses slow
289   --postproc-version=V     build libpostproc version V.
290                            Where V can be '$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO' or 'current'. [$postproc_version_default]
291
292 Developer options (useful when working on FFmpeg itself):
293   --enable-coverage        build with test coverage instrumentation
294   --disable-debug          disable debugging symbols
295   --enable-debug=LEVEL     set the debug level [$debuglevel]
296   --disable-optimizations  disable compiler optimizations
297   --enable-extra-warnings  enable more compiler warnings
298   --disable-stripping      disable stripping of executables and shared libraries
299   --assert-level=level     0(default), 1 or 2, amount of assertion testing,
300                            2 causes a slowdown at runtime.
301   --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
302   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory
303                            leaks and errors, using the specified valgrind binary.
304                            Cannot be combined with --target-exec
305   --samples=PATH           location of test samples for FATE, if not set use
306                            \$FATE_SAMPLES at make invocation time.
307   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
308                            should be used only for debugging purposes)
309   --enable-random          randomly enable/disable components
310   --disable-random
311   --enable-random=LIST     randomly enable/disable specific components or
312   --disable-random=LIST    component groups. LIST is a comma-separated list
313                            of NAME[:PROB] entries where NAME is a component
314                            (group) and PROB the probability associated with
315                            NAME (default 0.5).
316   --random-seed=VALUE      seed value for --enable/disable-random
317
318 NOTE: Object files are built at the place where configure is launched.
319 EOF
320   exit 0
321 }
322
323 quotes='""'
324
325 log(){
326     echo "$@" >> $logfile
327 }
328
329 log_file(){
330     log BEGIN $1
331     pr -n -t $1 >> $logfile
332     log END $1
333 }
334
335 echolog(){
336     log "$@"
337     echo "$@"
338 }
339
340 warn(){
341     log "WARNING: $*"
342     WARNINGS="${WARNINGS}WARNING: $*\n"
343 }
344
345 die(){
346     echolog "$@"
347     cat <<EOF
348
349 If you think configure made a mistake, make sure you are using the latest
350 version from Git.  If the latest version fails, report the problem to the
351 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
352 EOF
353     if disabled logging; then
354         cat <<EOF
355 Rerun configure with logging enabled (do not use --disable-logging), and
356 include the log this produces with your report.
357 EOF
358     else
359 cat <<EOF
360 Include the log file "$logfile" produced by configure as this will help
361 solving the problem.
362 EOF
363     fi
364     exit 1
365 }
366
367 # Avoid locale weirdness, besides we really just want to translate ASCII.
368 toupper(){
369     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
370 }
371
372 tolower(){
373     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
374 }
375
376 c_escape(){
377     echo "$*" | sed 's/["\\]/\\\0/g'
378 }
379
380 sh_quote(){
381     v=$(echo "$1" | sed "s/'/'\\\\''/g")
382     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
383     echo "$v"
384 }
385
386 cleanws(){
387     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
388 }
389
390 filter(){
391     pat=$1
392     shift
393     for v; do
394         eval "case $v in $pat) echo $v ;; esac"
395     done
396 }
397
398 filter_out(){
399     pat=$1
400     shift
401     for v; do
402         eval "case $v in $pat) ;; *) echo $v ;; esac"
403     done
404 }
405
406 map(){
407     m=$1
408     shift
409     for v; do eval $m; done
410 }
411
412 set_all(){
413     value=$1
414     shift
415     for var in $*; do
416         eval $var=$value
417     done
418 }
419
420 set_weak(){
421     value=$1
422     shift
423     for var; do
424         eval : \${$var:=$value}
425     done
426 }
427
428 set_safe(){
429     var=$1
430     shift
431     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
432 }
433
434 get_safe(){
435     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
436 }
437
438 pushvar(){
439     for var in $*; do
440         eval level=\${${var}_level:=0}
441         eval ${var}_${level}="\$$var"
442         eval ${var}_level=$(($level+1))
443     done
444 }
445
446 popvar(){
447     for var in $*; do
448         eval level=\${${var}_level:-0}
449         test $level = 0 && continue
450         eval level=$(($level-1))
451         eval $var="\${${var}_${level}}"
452         eval ${var}_level=$level
453         eval unset ${var}_${level}
454     done
455 }
456
457 enable(){
458     set_all yes $*
459 }
460
461 disable(){
462     set_all no $*
463 }
464
465 enable_weak(){
466     set_weak yes $*
467 }
468
469 disable_weak(){
470     set_weak no $*
471 }
472
473 enable_safe(){
474     for var; do
475         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
476     done
477 }
478
479 disable_safe(){
480     for var; do
481         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
482     done
483 }
484
485 do_enable_deep(){
486     for var; do
487         enabled $var && continue
488         eval sel="\$${var}_select"
489         eval sgs="\$${var}_suggest"
490         pushvar var sgs
491         enable_deep $sel
492         popvar sgs
493         enable_deep_weak $sgs
494         popvar var
495     done
496 }
497
498 enable_deep(){
499     do_enable_deep $*
500     enable $*
501 }
502
503 enable_deep_weak(){
504     do_enable_deep $*
505     enable_weak $*
506 }
507
508 enabled(){
509     test "${1#!}" = "$1" && op== || op=!=
510     eval test "x\$${1#!}" $op "xyes"
511 }
512
513 disabled(){
514     test "${1#!}" = "$1" && op== || op=!=
515     eval test "x\$${1#!}" $op "xno"
516 }
517
518 enabled_all(){
519     for opt; do
520         enabled $opt || return 1
521     done
522 }
523
524 disabled_all(){
525     for opt; do
526         disabled $opt || return 1
527     done
528 }
529
530 enabled_any(){
531     for opt; do
532         enabled $opt && return 0
533     done
534 }
535
536 disabled_any(){
537     for opt; do
538         disabled $opt && return 0
539     done
540     return 1
541 }
542
543 set_default(){
544     for opt; do
545         eval : \${$opt:=\$${opt}_default}
546     done
547 }
548
549 is_in(){
550     value=$1
551     shift
552     for var in $*; do
553         [ $var = $value ] && return 0
554     done
555     return 1
556 }
557
558 check_deps(){
559     for cfg; do
560         cfg="${cfg#!}"
561         enabled ${cfg}_checking && die "Circular dependency for $cfg."
562         disabled ${cfg}_checking && continue
563         enable ${cfg}_checking
564
565         eval dep_all="\$${cfg}_deps"
566         eval dep_any="\$${cfg}_deps_any"
567         eval dep_sel="\$${cfg}_select"
568         eval dep_sgs="\$${cfg}_suggest"
569         eval dep_ifa="\$${cfg}_if"
570         eval dep_ifn="\$${cfg}_if_any"
571
572         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
573         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
574         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
575
576         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
577         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
578         enabled_all  $dep_all || disable $cfg
579         enabled_any  $dep_any || disable $cfg
580         disabled_any $dep_sel && disable $cfg
581
582         if enabled $cfg; then
583             eval dep_extralibs="\$${cfg}_extralibs"
584             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
585             enable_deep $dep_sel
586             enable_deep_weak $dep_sgs
587         fi
588
589         disable ${cfg}_checking
590     done
591 }
592
593 print_config_h(){
594     enabled $1 && v=1 || v=0
595     echo "#define $2 $v"
596 }
597
598 print_config_mak(){
599     enabled $1 && v= || v=!
600     echo "$v$2=yes"
601 }
602
603 print_config_asm(){
604     enabled $1 && v=1 || v=0
605     echo "%define $2 $v"
606 }
607
608 print_config(){
609     pfx=$1
610     files=$2
611     shift 2
612     for cfg; do
613         ucname="$(toupper $cfg)"
614         for f in $files; do
615             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
616         done
617     done
618 }
619
620 print_enabled(){
621     test "$1" = -n && end=" " && shift || end="\n"
622     suf=$1
623     shift
624     for v; do
625         enabled $v && printf "%s$end" ${v%$suf};
626     done
627 }
628
629 append(){
630     var=$1
631     shift
632     eval "$var=\"\$$var $*\""
633 }
634
635 prepend(){
636     var=$1
637     shift
638     eval "$var=\"$* \$$var\""
639 }
640
641 add_cppflags(){
642     append CPPFLAGS "$@"
643 }
644
645 add_cflags(){
646     append CFLAGS $($cflags_filter "$@")
647 }
648
649 add_cxxflags(){
650     append CXXFLAGS $($cflags_filter "$@")
651 }
652
653 add_asflags(){
654     append ASFLAGS $($asflags_filter "$@")
655 }
656
657 add_ldflags(){
658     append LDFLAGS $($ldflags_filter "$@")
659 }
660
661 add_extralibs(){
662     prepend extralibs $($ldflags_filter "$@")
663 }
664
665 add_host_cflags(){
666     append host_cflags $($host_cflags_filter "$@")
667 }
668
669 add_host_ldflags(){
670     append host_ldflags $($host_ldflags_filter "$@")
671 }
672
673 check_cmd(){
674     log "$@"
675     "$@" >> $logfile 2>&1
676 }
677
678 cc_o(){
679     eval printf '%s\\n' $CC_O
680 }
681
682 cc_e(){
683     eval printf '%s\\n' $CC_E
684 }
685
686 check_cc(){
687     log check_cc "$@"
688     cat > $TMPC
689     log_file $TMPC
690     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
691 }
692
693 check_cxx(){
694     log check_cxx "$@"
695     cat > $TMPCPP
696     log_file $TMPCPP
697     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
698 }
699
700 check_cpp(){
701     log check_cpp "$@"
702     cat > $TMPC
703     log_file $TMPC
704     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
705 }
706
707 check_as(){
708     log check_as "$@"
709     cat > $TMPC
710     log_file $TMPC
711     check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C -o $TMPO $TMPC
712 }
713
714 check_asm(){
715     log check_asm "$@"
716     name="$1"
717     code="$2"
718     shift 2
719     disable $name
720     check_as "$@" <<EOF && enable $name
721 void foo(void){ __asm__ volatile($code); }
722 EOF
723 }
724
725 check_yasm(){
726     log check_yasm "$@"
727     echo "$1" > $TMPS
728     log_file $TMPS
729     shift 1
730     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
731 }
732
733 check_ld(){
734     log check_ld "$@"
735     type=$1
736     shift 1
737     flags=''
738     libs=''
739     for f; do
740         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
741     done
742     check_$type $($cflags_filter $flags) || return
743     flags=$($ldflags_filter $flags)
744     libs=$($ldflags_filter $libs)
745     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
746 }
747
748 check_code(){
749     log check_code "$@"
750     check=$1
751     headers=$2
752     code=$3
753     shift 3
754     {
755         for hdr in $headers; do
756             echo "#include <$hdr>"
757         done
758         echo "int main(void) { $code; return 0; }"
759     } | check_$check "$@"
760 }
761
762 check_cppflags(){
763     log check_cppflags "$@"
764     check_cc "$@" <<EOF && append CPPFLAGS "$@"
765 int x;
766 EOF
767 }
768
769 check_cflags(){
770     log check_cflags "$@"
771     set -- $($cflags_filter "$@")
772     check_cc "$@" <<EOF && append CFLAGS "$@"
773 int x;
774 EOF
775 }
776
777 check_cxxflags(){
778     log check_cxxflags "$@"
779     set -- $($cflags_filter "$@")
780     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
781 int x;
782 EOF
783 }
784
785 test_ldflags(){
786     log test_ldflags "$@"
787     check_ld "cc" "$@" <<EOF
788 int main(void){ return 0; }
789 EOF
790 }
791
792 check_ldflags(){
793     log check_ldflags "$@"
794     test_ldflags "$@" && add_ldflags "$@"
795 }
796
797 check_header(){
798     log check_header "$@"
799     header=$1
800     shift
801     disable_safe $header
802     check_cpp "$@" <<EOF && enable_safe $header
803 #include <$header>
804 int x;
805 EOF
806 }
807
808 check_func(){
809     log check_func "$@"
810     func=$1
811     shift
812     disable $func
813     check_ld "cc" "$@" <<EOF && enable $func
814 extern int $func();
815 int main(void){ $func(); }
816 EOF
817 }
818
819 check_mathfunc(){
820     log check_mathfunc "$@"
821     func=$1
822     shift
823     disable $func
824     check_ld "cc" "$@" <<EOF && enable $func
825 #include <math.h>
826 float foo(float f) { return $func(f); }
827 int main(void){ return (int) foo; }
828 EOF
829 }
830
831 check_func_headers(){
832     log check_func_headers "$@"
833     headers=$1
834     funcs=$2
835     shift 2
836     {
837         for hdr in $headers; do
838             echo "#include <$hdr>"
839         done
840         for func in $funcs; do
841             echo "long check_$func(void) { return (long) $func; }"
842         done
843         echo "int main(void) { return 0; }"
844     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
845 }
846
847 check_class_headers_cpp(){
848     log check_class_headers_cpp "$@"
849     headers=$1
850     classes=$2
851     shift 2
852     {
853         for hdr in $headers; do
854             echo "#include <$hdr>"
855         done
856         echo "int main(void) { "
857         i=1
858         for class in $classes; do
859             echo "$class obj$i;"
860             i=$(expr $i + 1)
861         done
862         echo "return 0; }"
863     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
864 }
865
866 check_cpp_condition(){
867     log check_cpp_condition "$@"
868     header=$1
869     condition=$2
870     shift 2
871     check_cpp "$@" <<EOF
872 #include <$header>
873 #if !($condition)
874 #error "unsatisfied condition: $condition"
875 #endif
876 EOF
877 }
878
879 check_lib(){
880     log check_lib "$@"
881     header="$1"
882     func="$2"
883     shift 2
884     check_header $header && check_func $func "$@" && add_extralibs "$@"
885 }
886
887 check_lib2(){
888     log check_lib2 "$@"
889     headers="$1"
890     funcs="$2"
891     shift 2
892     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
893 }
894
895 check_lib_cpp(){
896     log check_lib_cpp "$@"
897     headers="$1"
898     classes="$2"
899     shift 2
900     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
901 }
902
903 check_pkg_config(){
904     log check_pkg_config "$@"
905     pkg="$1"
906     headers="$2"
907     funcs="$3"
908     shift 3
909     $pkg_config --exists $pkg 2>/dev/null || return
910     pkg_cflags=$($pkg_config --cflags $pkg)
911     pkg_libs=$($pkg_config --libs $pkg)
912     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
913         set_safe ${pkg}_cflags $pkg_cflags   &&
914         set_safe ${pkg}_libs   $pkg_libs
915 }
916
917 check_exec(){
918     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
919 }
920
921 check_exec_crash(){
922     code=$(cat)
923
924     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
925     # are safe but may not be available everywhere.  Thus we use
926     # raise(SIGTERM) instead.  The check is run in a subshell so we
927     # can redirect the "Terminated" message from the shell.  SIGBUS
928     # is not defined by standard C so it is used conditionally.
929
930     (check_exec "$@") >> $logfile 2>&1 <<EOF
931 #include <signal.h>
932 static void sighandler(int sig){
933     raise(SIGTERM);
934 }
935 int func(void){
936     $code
937 }
938 int (*func_ptr)(void) = func;
939 int main(void){
940     signal(SIGILL, sighandler);
941     signal(SIGFPE, sighandler);
942     signal(SIGSEGV, sighandler);
943 #ifdef SIGBUS
944     signal(SIGBUS, sighandler);
945 #endif
946     return func_ptr();
947 }
948 EOF
949 }
950
951 check_type(){
952     log check_type "$@"
953     headers=$1
954     type=$2
955     shift 2
956     disable_safe "$type"
957     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
958 }
959
960 check_struct(){
961     log check_type "$@"
962     headers=$1
963     struct=$2
964     member=$3
965     shift 3
966     disable_safe "${struct}_${member}"
967     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
968         enable_safe "${struct}_${member}"
969 }
970
971 require(){
972     name="$1"
973     header="$2"
974     func="$3"
975     shift 3
976     check_lib $header $func "$@" || die "ERROR: $name not found"
977 }
978
979 require2(){
980     name="$1"
981     headers="$2"
982     func="$3"
983     shift 3
984     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
985 }
986
987 require_cpp(){
988     name="$1"
989     headers="$2"
990     classes="$3"
991     shift 3
992     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
993 }
994
995 require_pkg_config(){
996     pkg="$1"
997     check_pkg_config "$@" || die "ERROR: $pkg not found"
998     add_cflags    $(get_safe ${pkg}_cflags)
999     add_extralibs $(get_safe ${pkg}_libs)
1000 }
1001
1002 check_host_cc(){
1003     log check_host_cc "$@"
1004     cat > $TMPC
1005     log_file $TMPC
1006     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
1007 }
1008
1009 check_host_cflags(){
1010     log check_host_cflags "$@"
1011     set -- $($host_cflags_filter "$@")
1012     check_host_cc "$@" <<EOF && append host_cflags "$@"
1013 int x;
1014 EOF
1015 }
1016
1017 apply(){
1018     file=$1
1019     shift
1020     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1021 }
1022
1023 cp_if_changed(){
1024     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1025     mkdir -p "$(dirname $2)"
1026     cp -f "$1" "$2"
1027 }
1028
1029 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1030 # system-dependent things.
1031
1032 COMPONENT_LIST="
1033     bsfs
1034     decoders
1035     demuxers
1036     encoders
1037     filters
1038     hwaccels
1039     indevs
1040     muxers
1041     outdevs
1042     parsers
1043     protocols
1044 "
1045
1046 PROGRAM_LIST="
1047     ffplay
1048     ffprobe
1049     ffserver
1050     ffmpeg
1051 "
1052
1053 CONFIG_LIST="
1054     $COMPONENT_LIST
1055     $PROGRAM_LIST
1056     avcodec
1057     avdevice
1058     avfilter
1059     avformat
1060     avresample
1061     avisynth
1062     bzlib
1063     crystalhd
1064     dct
1065     doc
1066     dwt
1067     dxva2
1068     fast_unaligned
1069     fastdiv
1070     fft
1071     fontconfig
1072     frei0r
1073     gnutls
1074     gpl
1075     gray
1076     hardcoded_tables
1077     libaacplus
1078     libass
1079     libbluray
1080     libcaca
1081     libcdio
1082     libcelt
1083     libdc1394
1084     libfaac
1085     libfdk_aac
1086     libflite
1087     libfreetype
1088     libgsm
1089     libiec61883
1090     libilbc
1091     libmodplug
1092     libmp3lame
1093     libnut
1094     libopencore_amrnb
1095     libopencore_amrwb
1096     libopencv
1097     libopenjpeg
1098     libopus
1099     libpulse
1100     librtmp
1101     libschroedinger
1102     libspeex
1103     libstagefright_h264
1104     libtheora
1105     libtwolame
1106     libutvideo
1107     libv4l2
1108     libvo_aacenc
1109     libvo_amrwbenc
1110     libvorbis
1111     libvpx
1112     libx264
1113     libxavs
1114     libxvid
1115     lsp
1116     mdct
1117     memalign_hack
1118     memory_poisoning
1119     network
1120     nonfree
1121     openal
1122     openssl
1123     pic
1124     postproc
1125     rdft
1126     runtime_cpudetect
1127     safe_bitstream_reader
1128     shared
1129     small
1130     sram
1131     static
1132     swresample
1133     swscale
1134     swscale_alpha
1135     thumb
1136     vaapi
1137     vda
1138     vdpau
1139     version3
1140     xmm_clobber_test
1141     x11grab
1142     zlib
1143 "
1144
1145 THREADS_LIST='
1146     pthreads
1147     w32threads
1148     os2threads
1149 '
1150
1151 ARCH_LIST='
1152     alpha
1153     arm
1154     avr32
1155     avr32_ap
1156     avr32_uc
1157     bfin
1158     ia64
1159     m68k
1160     mips
1161     mips64
1162     parisc
1163     ppc
1164     ppc64
1165     s390
1166     sh4
1167     sparc
1168     sparc64
1169     tomi
1170     x86
1171     x86_32
1172     x86_64
1173 '
1174
1175 ARCH_EXT_LIST='
1176     altivec
1177     amd3dnow
1178     amd3dnowext
1179     armv5te
1180     armv6
1181     armv6t2
1182     armvfp
1183     avx
1184     fma4
1185     mmi
1186     mmx
1187     mmxext
1188     neon
1189     ppc4xx
1190     sse
1191     ssse3
1192     vfpv3
1193     vis
1194     mipsfpu
1195     mips32r2
1196     mipsdspr1
1197     mipsdspr2
1198 '
1199
1200 HAVE_LIST_PUB='
1201     bigendian
1202     fast_unaligned
1203 '
1204
1205 HAVE_LIST="
1206     $ARCH_EXT_LIST
1207     $HAVE_LIST_PUB
1208     $THREADS_LIST
1209     aligned_malloc
1210     aligned_stack
1211     alsa_asoundlib_h
1212     altivec_h
1213     arpa_inet_h
1214     asm_mod_q
1215     asm_mod_y
1216     asm_types_h
1217     attribute_may_alias
1218     attribute_packed
1219     cbrtf
1220     clock_gettime
1221     closesocket
1222     cmov
1223     cpuid
1224     cpunop
1225     dcbzl
1226     dev_bktr_ioctl_bt848_h
1227     dev_bktr_ioctl_meteor_h
1228     dev_ic_bt8xx_h
1229     dev_video_bktr_ioctl_bt848_h
1230     dev_video_meteor_ioctl_meteor_h
1231     dlfcn_h
1232     dlopen
1233     dos_paths
1234     dxva_h
1235     ebp_available
1236     ebx_available
1237     exp2
1238     exp2f
1239     fast_64bit
1240     fast_clz
1241     fast_cmov
1242     fcntl
1243     fork
1244     getaddrinfo
1245     gethrtime
1246     getopt
1247     GetProcessAffinityMask
1248     GetProcessMemoryInfo
1249     GetProcessTimes
1250     GetSystemTimeAsFileTime
1251     getrusage
1252     gettimeofday
1253     glob
1254     gnu_as
1255     ibm_asm
1256     inet_aton
1257     inline_asm
1258     isatty
1259     isinf
1260     isnan
1261     jack_port_get_latency_range
1262     kbhit
1263     ldbrx
1264     libdc1394_1
1265     libdc1394_2
1266     llrint
1267     llrintf
1268     local_aligned_16
1269     local_aligned_8
1270     localtime_r
1271     log2
1272     log2f
1273     loongson
1274     lrint
1275     lrintf
1276     lzo1x_999_compress
1277     machine_ioctl_bt848_h
1278     machine_ioctl_meteor_h
1279     makeinfo
1280     malloc_h
1281     MapViewOfFile
1282     memalign
1283     mkstemp
1284     mm_empty
1285     mmap
1286     nanosleep
1287     PeekNamedPipe
1288     pod2man
1289     poll_h
1290     posix_memalign
1291     pthread_cancel
1292     rdtsc
1293     rint
1294     round
1295     roundf
1296     rweflags
1297     sched_getaffinity
1298     sdl
1299     sdl_video_size
1300     setmode
1301     setrlimit
1302     Sleep
1303     sndio_h
1304     socklen_t
1305     soundcard_h
1306     strerror_r
1307     strptime
1308     struct_addrinfo
1309     struct_group_source_req
1310     struct_ip_mreq_source
1311     struct_ipv6_mreq
1312     struct_pollfd
1313     struct_rusage_ru_maxrss
1314     struct_sctp_event_subscribe
1315     struct_sockaddr_in6
1316     struct_sockaddr_sa_len
1317     struct_sockaddr_storage
1318     struct_v4l2_frmivalenum_discrete
1319     symver
1320     symver_asm_label
1321     symver_gnu_asm
1322     sysconf
1323     sysctl
1324     sys_mman_h
1325     sys_param_h
1326     sys_resource_h
1327     sys_select_h
1328     sys_soundcard_h
1329     sys_time_h
1330     sys_videoio_h
1331     termios_h
1332     texi2html
1333     threads
1334     trunc
1335     truncf
1336     unistd_h
1337     usleep
1338     vfp_args
1339     VirtualAlloc
1340     windows_h
1341     winsock2_h
1342     xform_asm
1343     xgetbv
1344     xmm_clobbers
1345     yasm
1346 "
1347
1348 # options emitted with CONFIG_ prefix but not available on command line
1349 CONFIG_EXTRA="
1350     aandcttables
1351     ac3dsp
1352     avutil
1353     gcrypt
1354     golomb
1355     gplv3
1356     h264chroma
1357     h264dsp
1358     h264pred
1359     h264qpel
1360     huffman
1361     lgplv3
1362     lpc
1363     mpegaudiodsp
1364     nettle
1365     rtpdec
1366     sinewin
1367     vp3dsp
1368 "
1369
1370 CMDLINE_SELECT="
1371     $ARCH_EXT_LIST
1372     $CONFIG_LIST
1373     $THREADS_LIST
1374     asm
1375     coverage
1376     cross_compile
1377     debug
1378     extra_warnings
1379     logging
1380     optimizations
1381     stripping
1382     symver
1383     yasm
1384 "
1385
1386 PATHS_LIST='
1387     bindir
1388     datadir
1389     incdir
1390     libdir
1391     mandir
1392     prefix
1393     shlibdir
1394 '
1395
1396 CMDLINE_SET="
1397     $PATHS_LIST
1398     ar
1399     arch
1400     as
1401     assert_level
1402     build_suffix
1403     cc
1404     cpu
1405     cross_prefix
1406     cxx
1407     dep_cc
1408     extra_version
1409     host_cc
1410     host_cflags
1411     host_ldflags
1412     host_libs
1413     host_os
1414     install
1415     ld
1416     logfile
1417     malloc_prefix
1418     nm
1419     optflags
1420     pkg_config
1421     postproc_version
1422     progs_suffix
1423     random_seed
1424     samples
1425     strip
1426     sysinclude
1427     sysroot
1428     target_exec
1429     target_os
1430     target_path
1431     valgrind
1432     yasmexe
1433 "
1434
1435 CMDLINE_APPEND="
1436     extra_cflags
1437     extra_cxxflags
1438 "
1439
1440 # code dependency declarations
1441
1442 # architecture extensions
1443
1444 armv5te_deps="arm"
1445 armv6_deps="arm"
1446 armv6t2_deps="arm"
1447 armvfp_deps="arm"
1448 neon_deps="arm"
1449 vfpv3_deps="armvfp"
1450
1451 mipsfpu_deps="mips"
1452 mips32r2_deps="mips"
1453 mipsdspr1_deps="mips"
1454 mipsdspr2_deps="mips"
1455 mmi_deps="mips"
1456
1457 altivec_deps="ppc"
1458 ppc4xx_deps="ppc"
1459
1460 vis_deps="sparc"
1461
1462 x86_64_suggest="cmov fast_cmov"
1463 amd3dnow_deps="mmx"
1464 amd3dnowext_deps="amd3dnow"
1465 mmx_deps="x86"
1466 mmxext_deps="mmx"
1467 sse_deps="mmx"
1468 ssse3_deps="sse"
1469 avx_deps="ssse3"
1470 fma4_deps="avx"
1471
1472 aligned_stack_if_any="ppc x86"
1473 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1474 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1475 fast_unaligned_if_any="armv6 ppc x86"
1476
1477 inline_asm_deps="!tms470"
1478 need_memalign="altivec neon sse"
1479
1480 symver_if_any="symver_asm_label symver_gnu_asm"
1481
1482 # subsystems
1483 dct_select="rdft"
1484 mdct_select="fft"
1485 rdft_select="fft"
1486 mpegaudiodsp_select="dct"
1487
1488 # decoders / encoders / hardware accelerators
1489 aac_decoder_select="mdct sinewin"
1490 aac_encoder_select="mdct sinewin"
1491 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1492 ac3_decoder_select="mdct ac3dsp ac3_parser"
1493 ac3_encoder_select="mdct ac3dsp"
1494 ac3_fixed_encoder_select="mdct ac3dsp"
1495 alac_encoder_select="lpc"
1496 amrnb_decoder_select="lsp"
1497 amrwb_decoder_select="lsp"
1498 amv_encoder_select="aandcttables"
1499 atrac1_decoder_select="mdct sinewin"
1500 atrac3_decoder_select="mdct"
1501 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1502 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1503 cavs_decoder_select="golomb"
1504 cook_decoder_select="mdct sinewin"
1505 cscd_decoder_suggest="zlib"
1506 dca_decoder_select="mdct"
1507 dirac_decoder_select="dwt golomb"
1508 dnxhd_encoder_select="aandcttables"
1509 dxa_decoder_select="zlib"
1510 eac3_decoder_select="ac3_decoder"
1511 eac3_encoder_select="mdct ac3dsp"
1512 eamad_decoder_select="aandcttables"
1513 eatgq_decoder_select="aandcttables"
1514 eatqi_decoder_select="aandcttables"
1515 exr_decoder_select="zlib"
1516 ffv1_decoder_select="golomb"
1517 flac_decoder_select="golomb"
1518 flac_encoder_select="golomb lpc"
1519 flashsv_decoder_select="zlib"
1520 flashsv_encoder_select="zlib"
1521 flashsv2_encoder_select="zlib"
1522 flashsv2_decoder_select="zlib"
1523 flv_decoder_select="h263_decoder"
1524 flv_encoder_select="h263_encoder"
1525 fraps_decoder_select="huffman"
1526 h261_encoder_select="aandcttables"
1527 h263_decoder_select="h263_parser"
1528 h263_encoder_select="aandcttables"
1529 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1530 h263i_decoder_select="h263_decoder"
1531 h263p_encoder_select="h263_encoder"
1532 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1533 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1534 h264_dxva2_hwaccel_deps="dxva2api_h"
1535 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1536 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1537 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1538 h264_vda_hwaccel_select="vda h264_decoder"
1539 h264_vdpau_decoder_select="vdpau h264_decoder"
1540 iac_decoder_select="fft mdct sinewin"
1541 imc_decoder_select="fft mdct sinewin"
1542 jpegls_decoder_select="golomb"
1543 jpegls_encoder_select="golomb"
1544 ljpeg_encoder_select="aandcttables"
1545 loco_decoder_select="golomb"
1546 mjpeg_encoder_select="aandcttables"
1547 mlp_decoder_select="mlp_parser"
1548 mp1_decoder_select="mpegaudiodsp"
1549 mp1float_decoder_select="mpegaudiodsp"
1550 mp2_decoder_select="mpegaudiodsp"
1551 mp2float_decoder_select="mpegaudiodsp"
1552 mp3_decoder_select="mpegaudiodsp"
1553 mp3adu_decoder_select="mpegaudiodsp"
1554 mp3adufloat_decoder_select="mpegaudiodsp"
1555 mp3float_decoder_select="mpegaudiodsp"
1556 mp3on4_decoder_select="mpegaudiodsp"
1557 mp3on4float_decoder_select="mpegaudiodsp"
1558 mpc7_decoder_select="mpegaudiodsp"
1559 mpc8_decoder_select="mpegaudiodsp"
1560 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1561 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1562 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1563 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1564 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1565 mpeg1video_encoder_select="aandcttables"
1566 mpeg2_crystalhd_decoder_select="crystalhd"
1567 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1568 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1569 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1570 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1571 mpeg2video_encoder_select="aandcttables"
1572 mpeg4_crystalhd_decoder_select="crystalhd"
1573 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1574 mpeg4_encoder_select="h263_encoder"
1575 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1576 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1577 msmpeg4_crystalhd_decoder_select="crystalhd"
1578 msmpeg4v1_decoder_select="h263_decoder"
1579 msmpeg4v1_encoder_select="h263_encoder"
1580 msmpeg4v2_decoder_select="h263_decoder"
1581 msmpeg4v2_encoder_select="h263_encoder"
1582 msmpeg4v3_decoder_select="h263_decoder"
1583 msmpeg4v3_encoder_select="h263_encoder"
1584 nellymoser_decoder_select="mdct sinewin"
1585 nellymoser_encoder_select="mdct sinewin"
1586 png_decoder_select="zlib"
1587 png_encoder_select="zlib"
1588 qcelp_decoder_select="lsp"
1589 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1590 ra_144_encoder_select="lpc"
1591 ralf_decoder_select="golomb"
1592 rv10_decoder_select="h263_decoder"
1593 rv10_encoder_select="h263_encoder"
1594 rv20_decoder_select="h263_decoder"
1595 rv20_encoder_select="h263_encoder"
1596 rv30_decoder_select="golomb h264chroma h264pred h264qpel"
1597 rv40_decoder_select="golomb h264chroma h264pred h264qpel"
1598 shorten_decoder_select="golomb"
1599 sipr_decoder_select="lsp"
1600 snow_decoder_select="dwt"
1601 snow_encoder_select="aandcttables dwt"
1602 sonic_decoder_select="golomb"
1603 sonic_encoder_select="golomb"
1604 sonic_ls_encoder_select="golomb"
1605 svq1_encoder_select="aandcttables"
1606 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1607 svq3_decoder_suggest="zlib"
1608 theora_decoder_select="vp3_decoder"
1609 tiff_decoder_suggest="zlib"
1610 tiff_encoder_suggest="zlib"
1611 tscc_decoder_select="zlib"
1612 twinvq_decoder_select="mdct lsp sinewin"
1613 vc1_crystalhd_decoder_select="crystalhd"
1614 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1615 vc1_dxva2_hwaccel_deps="dxva2api_h"
1616 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1617 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1618 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1619 vc1image_decoder_select="vc1_decoder"
1620 vorbis_decoder_select="mdct"
1621 vorbis_encoder_select="mdct"
1622 vp3_decoder_select="vp3dsp"
1623 vp5_decoder_select="vp3dsp"
1624 vp6_decoder_select="huffman vp3dsp"
1625 vp6a_decoder_select="vp6_decoder"
1626 vp6f_decoder_select="vp6_decoder"
1627 vp8_decoder_select="h264pred h264qpel"
1628 wmapro_decoder_select="mdct sinewin"
1629 wmav1_decoder_select="mdct sinewin"
1630 wmav1_encoder_select="mdct sinewin"
1631 wmav2_decoder_select="mdct sinewin"
1632 wmav2_encoder_select="mdct sinewin"
1633 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1634 wmv1_decoder_select="h263_decoder"
1635 wmv1_encoder_select="h263_encoder"
1636 wmv2_decoder_select="h263_decoder"
1637 wmv2_encoder_select="h263_encoder"
1638 wmv3_decoder_select="vc1_decoder"
1639 wmv3_crystalhd_decoder_select="crystalhd"
1640 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1641 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1642 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1643 wmv3image_decoder_select="wmv3_decoder"
1644 zerocodec_decoder_select="zlib"
1645 zlib_decoder_select="zlib"
1646 zlib_encoder_select="zlib"
1647 zmbv_decoder_select="zlib"
1648 zmbv_encoder_select="zlib"
1649
1650 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1651 vaapi_deps="va_va_h"
1652 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1653 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1654
1655 # parsers
1656 h264_parser_select="golomb h264dsp h264pred"
1657
1658 # external libraries
1659 libaacplus_encoder_deps="libaacplus"
1660 libcelt_decoder_deps="libcelt"
1661 libfaac_encoder_deps="libfaac"
1662 libfdk_aac_encoder_deps="libfdk_aac"
1663 libgsm_decoder_deps="libgsm"
1664 libgsm_encoder_deps="libgsm"
1665 libgsm_ms_decoder_deps="libgsm"
1666 libgsm_ms_encoder_deps="libgsm"
1667 libilbc_decoder_deps="libilbc"
1668 libilbc_encoder_deps="libilbc"
1669 libmodplug_demuxer_deps="libmodplug"
1670 libmp3lame_encoder_deps="libmp3lame"
1671 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1672 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1673 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1674 libopenjpeg_decoder_deps="libopenjpeg"
1675 libopenjpeg_encoder_deps="libopenjpeg"
1676 libopus_decoder_deps="libopus"
1677 libschroedinger_decoder_deps="libschroedinger"
1678 libschroedinger_encoder_deps="libschroedinger"
1679 libspeex_decoder_deps="libspeex"
1680 libspeex_encoder_deps="libspeex"
1681 libstagefright_h264_decoder_deps="libstagefright_h264"
1682 libtheora_encoder_deps="libtheora"
1683 libtwolame_encoder_deps="libtwolame"
1684 libvo_aacenc_encoder_deps="libvo_aacenc"
1685 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1686 libvorbis_decoder_deps="libvorbis"
1687 libvorbis_encoder_deps="libvorbis"
1688 libvpx_decoder_deps="libvpx"
1689 libvpx_encoder_deps="libvpx"
1690 libx264_encoder_deps="libx264"
1691 libx264rgb_encoder_deps="libx264"
1692 libxavs_encoder_deps="libxavs"
1693 libxvid_encoder_deps="libxvid"
1694 libutvideo_decoder_deps="libutvideo"
1695 libutvideo_encoder_deps="libutvideo"
1696
1697 # demuxers / muxers
1698 ac3_demuxer_select="ac3_parser"
1699 asf_stream_muxer_select="asf_muxer"
1700 avisynth_demuxer_deps="avisynth"
1701 dirac_demuxer_select="dirac_parser"
1702 eac3_demuxer_select="ac3_parser"
1703 flac_demuxer_select="flac_parser"
1704 ipod_muxer_select="mov_muxer"
1705 libnut_demuxer_deps="libnut"
1706 libnut_muxer_deps="libnut"
1707 matroska_audio_muxer_select="matroska_muxer"
1708 matroska_demuxer_suggest="zlib bzlib"
1709 mov_demuxer_suggest="zlib"
1710 mp3_demuxer_select="mpegaudio_parser"
1711 mp4_muxer_select="mov_muxer"
1712 mpegts_muxer_select="adts_muxer latm_muxer"
1713 mpegtsraw_demuxer_select="mpegts_demuxer"
1714 mxf_d10_muxer_select="mxf_muxer"
1715 ogg_demuxer_select="golomb"
1716 psp_muxer_select="mov_muxer"
1717 rtp_demuxer_select="sdp_demuxer"
1718 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1719 rtsp_demuxer_select="http_protocol rtpdec"
1720 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1721 sap_demuxer_select="sdp_demuxer"
1722 sap_muxer_select="rtp_muxer rtp_protocol"
1723 sdp_demuxer_select="rtpdec"
1724 spdif_muxer_select="aac_parser"
1725 tg2_muxer_select="mov_muxer"
1726 tgp_muxer_select="mov_muxer"
1727 w64_demuxer_deps="wav_demuxer"
1728
1729 # indevs / outdevs
1730 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1731 alsa_outdev_deps="alsa_asoundlib_h"
1732 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1733 caca_outdev_deps="libcaca"
1734 dshow_indev_deps="IBaseFilter"
1735 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1736 dv1394_indev_deps="dv1394 dv_demuxer"
1737 fbdev_indev_deps="linux_fb_h"
1738 iec61883_indev_deps="libiec61883"
1739 jack_indev_deps="jack_jack_h sem_timedwait"
1740 lavfi_indev_deps="avfilter"
1741 libcdio_indev_deps="libcdio"
1742 libdc1394_indev_deps="libdc1394"
1743 libv4l2_indev_deps="libv4l2"
1744 openal_indev_deps="openal"
1745 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1746 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1747 pulse_indev_deps="libpulse"
1748 sdl_outdev_deps="sdl"
1749 sndio_indev_deps="sndio_h"
1750 sndio_outdev_deps="sndio_h"
1751 v4l_indev_deps="linux_videodev_h"
1752 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1753 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1754 vfwcap_indev_extralibs="-lavicap32"
1755 x11grab_indev_deps="x11grab"
1756
1757 # protocols
1758 bluray_protocol_deps="libbluray"
1759 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1760 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1761 ffrtmpcrypt_protocol_select="tcp_protocol"
1762 ffrtmphttp_protocol_deps="!librtmp_protocol"
1763 ffrtmphttp_protocol_select="http_protocol"
1764 gopher_protocol_deps="network"
1765 httpproxy_protocol_deps="network"
1766 httpproxy_protocol_select="tcp_protocol"
1767 http_protocol_deps="network"
1768 http_protocol_select="tcp_protocol"
1769 https_protocol_select="tls_protocol"
1770 librtmp_protocol_deps="librtmp"
1771 librtmpe_protocol_deps="librtmp"
1772 librtmps_protocol_deps="librtmp"
1773 librtmpt_protocol_deps="librtmp"
1774 librtmpte_protocol_deps="librtmp"
1775 mmsh_protocol_select="http_protocol"
1776 mmst_protocol_deps="network"
1777 rtmp_protocol_deps="!librtmp_protocol"
1778 rtmp_protocol_select="tcp_protocol"
1779 rtmpe_protocol_select="ffrtmpcrypt_protocol"
1780 rtmps_protocol_deps="!librtmp_protocol"
1781 rtmps_protocol_select="tls_protocol"
1782 rtmpt_protocol_select="ffrtmphttp_protocol"
1783 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
1784 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
1785 rtp_protocol_select="udp_protocol"
1786 sctp_protocol_deps="network struct_sctp_event_subscribe"
1787 tcp_protocol_deps="network"
1788 tls_protocol_deps_any="openssl gnutls"
1789 tls_protocol_select="tcp_protocol"
1790 udp_protocol_deps="network"
1791
1792 # filters
1793 aconvert_filter_deps="swresample"
1794 amovie_filter_deps="avcodec avformat"
1795 aresample_filter_deps="swresample"
1796 ass_filter_deps="libass"
1797 asyncts_filter_deps="avresample"
1798 atempo_filter_deps="avcodec rdft"
1799 blackframe_filter_deps="gpl"
1800 boxblur_filter_deps="gpl"
1801 colormatrix_filter_deps="gpl"
1802 cropdetect_filter_deps="gpl"
1803 delogo_filter_deps="gpl"
1804 deshake_filter_deps="avcodec"
1805 drawtext_filter_deps="libfreetype"
1806 flite_filter_deps="libflite"
1807 frei0r_filter_deps="frei0r dlopen"
1808 frei0r_filter_extralibs='$ldl'
1809 frei0r_src_filter_deps="frei0r dlopen"
1810 frei0r_src_filter_extralibs='$ldl'
1811 hqdn3d_filter_deps="gpl"
1812 movie_filter_deps="avcodec avformat"
1813 mp_filter_deps="gpl avcodec swscale postproc"
1814 mptestsrc_filter_deps="gpl"
1815 negate_filter_deps="lut_filter"
1816 resample_filter_deps="avresample"
1817 ocv_filter_deps="libopencv"
1818 pan_filter_deps="swresample"
1819 removelogo_filter_deps="avcodec avformat swscale"
1820 scale_filter_deps="swscale"
1821 select_filter_deps="avcodec"
1822 super2xsai_filter_deps="gpl"
1823 tinterlace_filter_deps="gpl"
1824 yadif_filter_deps="gpl"
1825
1826 # libraries
1827 avdevice_deps="avcodec avformat"
1828 avformat_deps="avcodec"
1829 postproc_deps="gpl"
1830
1831 # programs
1832 ffmpeg_deps="avcodec avfilter avformat swscale swresample"
1833 ffmpeg_select="buffersink_filter format_filter aformat_filter
1834                setpts_filter null_filter anull_filter abuffersink_filter"
1835 ffplay_deps="avcodec avformat swscale swresample sdl"
1836 ffplay_select="buffersink_filter rdft"
1837 ffprobe_deps="avcodec avformat"
1838 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1839 ffserver_extralibs='$ldl'
1840
1841 doc_deps_any="texi2html makeinfo pod2man"
1842
1843 # tests
1844 colormatrix1_test_deps="colormatrix_filter"
1845 colormatrix2_test_deps="colormatrix_filter"
1846 flashsv2_test_deps="zlib"
1847 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1848 mpng_test_deps="zlib"
1849 pp_test_deps="mp_filter"
1850 pp2_test_deps="mp_filter"
1851 pp3_test_deps="mp_filter"
1852 pp4_test_deps="mp_filter"
1853 pp5_test_deps="mp_filter"
1854 pp6_test_deps="mp_filter"
1855 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1856 zlib_test_deps="zlib"
1857 zmbv_test_deps="zlib"
1858
1859 test_deps(){
1860     suf1=$1
1861     suf2=$2
1862     shift 2
1863     for v; do
1864         dep=${v%=*}
1865         tests=${v#*=}
1866         for name in ${tests}; do
1867             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1868         done
1869     done
1870 }
1871
1872 test_deps _muxer _demuxer                                               \
1873     aiff                                                                \
1874     pcm_alaw=alaw                                                       \
1875     asf                                                                 \
1876     au                                                                  \
1877     avi                                                                 \
1878     dv=dv_fmt                                                           \
1879     ffm                                                                 \
1880     flv=flv_fmt                                                         \
1881     gxf                                                                 \
1882     matroska=mkv                                                        \
1883     mmf                                                                 \
1884     mov="mov ismv"                                                      \
1885     pcm_mulaw=mulaw                                                     \
1886     mxf="mxf mxf_d10"                                                   \
1887     nut                                                                 \
1888     ogg="ogg ogg_vp3"                                                   \
1889     rawvideo=pixfmt                                                     \
1890     rm                                                                  \
1891     swf                                                                 \
1892     mpegts=ts                                                           \
1893     voc                                                                 \
1894     wav                                                                 \
1895     yuv4mpegpipe=yuv4mpeg                                               \
1896
1897 # default parameters
1898
1899 logfile="config.log"
1900
1901 # installation paths
1902 prefix_default="/usr/local"
1903 bindir_default='${prefix}/bin'
1904 datadir_default='${prefix}/share/ffmpeg'
1905 incdir_default='${prefix}/include'
1906 libdir_default='${prefix}/lib'
1907 mandir_default='${prefix}/share/man'
1908 shlibdir_default="$libdir_default"
1909 postproc_version_default="current"
1910
1911 # toolchain
1912 ar_default="ar"
1913 cc_default="gcc"
1914 cxx_default="g++"
1915 host_cc_default="gcc"
1916 install="install"
1917 ln_s="ln -sf"
1918 nm_default="nm"
1919 objformat="elf"
1920 pkg_config_default=pkg-config
1921 ranlib="ranlib"
1922 strip_default="strip"
1923 yasmexe_default="yasm"
1924
1925 nm_opts='-g'
1926 nogas=":"
1927
1928 # machine
1929 arch_default=$(uname -m)
1930 cpu="generic"
1931
1932 # OS
1933 target_os_default=$(tolower $(uname -s))
1934 host_os=$target_os_default
1935
1936 # alternative libpostproc version
1937 ALT_PP_VER_MAJOR=51
1938 ALT_PP_VER_MINOR=2
1939 ALT_PP_VER_MICRO=101
1940 ALT_PP_VER=$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO
1941
1942 # configurable options
1943 enable $PROGRAM_LIST
1944
1945 enable avcodec
1946 enable avdevice
1947 enable avfilter
1948 enable avformat
1949 enable avutil
1950 enable postproc
1951 enable stripping
1952 enable swresample
1953 enable swscale
1954
1955 enable asm
1956 enable debug
1957 enable doc
1958 enable fastdiv
1959 enable network
1960 enable optimizations
1961 enable safe_bitstream_reader
1962 enable static
1963 enable swscale_alpha
1964
1965 # build settings
1966 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1967 FFSERVERLDFLAGS=-Wl,-E
1968 LIBPREF="lib"
1969 LIBSUF=".a"
1970 FULLNAME='$(NAME)$(BUILDSUF)'
1971 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1972 SLIBPREF="lib"
1973 SLIBSUF=".so"
1974 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1975 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1976 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1977 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1978 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1979 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1980
1981 asflags_filter=echo
1982 cflags_filter=echo
1983 ldflags_filter=echo
1984
1985 AS_C='-c'
1986 AS_O='-o $@'
1987 CC_C='-c'
1988 CC_E='-E -o $@'
1989 CC_O='-o $@'
1990 CXX_C='-c'
1991 CXX_O='-o $@'
1992 LD_O='-o $@'
1993 HOSTCC_C='-c'
1994 HOSTCC_O='-o $@'
1995
1996 host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
1997 host_libs='-lm'
1998 host_cflags_filter=echo
1999 host_ldflags_filter=echo
2000
2001 target_path='$(CURDIR)'
2002
2003 # since the object filename is not given with the -MM flag, the compiler
2004 # is only able to print the basename, and we must add the path ourselves
2005 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2006 DEPFLAGS='-MM'
2007
2008 # find source path
2009 if test -f configure; then
2010     source_path=.
2011 else
2012     source_path=$(cd $(dirname "$0"); pwd)
2013     echo "$source_path" | grep -q '[[:blank:]]' &&
2014         die "Out of tree builds are impossible with whitespace in source path."
2015     test -e "$source_path/config.h" &&
2016         die "Out of tree builds are impossible with config.h in source dir."
2017 fi
2018
2019 for v in "$@"; do
2020     r=${v#*=}
2021     l=${v%"$r"}
2022     r=$(sh_quote "$r")
2023     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2024 done
2025
2026 find_things(){
2027     thing=$1
2028     pattern=$2
2029     file=$source_path/$3
2030     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2031 }
2032
2033 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
2034 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
2035 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
2036 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
2037 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
2038 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
2039 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
2040 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
2041 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
2042 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2043 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
2044
2045 ALL_COMPONENTS="
2046     $BSF_LIST
2047     $DECODER_LIST
2048     $DEMUXER_LIST
2049     $ENCODER_LIST
2050     $FILTER_LIST
2051     $HWACCEL_LIST
2052     $INDEV_LIST
2053     $MUXER_LIST
2054     $OUTDEV_LIST
2055     $PARSER_LIST
2056     $PROTOCOL_LIST
2057 "
2058
2059 find_tests(){
2060     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
2061 }
2062
2063 LAVF_FATE_TESTS=$(find_tests lavf-fate)
2064 LAVF_TESTS=$(find_tests lavf)
2065 LAVFI_TESTS=$(find_tests lavfi)
2066 SEEK_TESTS=$(find_tests seek seek_)
2067
2068 ALL_TESTS="$LAVF_FATE_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
2069
2070 for n in $COMPONENT_LIST; do
2071     v=$(toupper ${n%s})_LIST
2072     eval enable \$$v
2073     eval ${n}_if_any="\$$v"
2074 done
2075
2076 enable $ARCH_EXT_LIST $ALL_TESTS
2077
2078 die_unknown(){
2079     echo "Unknown option \"$1\"."
2080     echo "See $0 --help for available options."
2081     exit 1
2082 }
2083
2084 show_list() {
2085     suffix=_$1
2086     shift
2087     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
2088     exit 0
2089 }
2090
2091 rand_list(){
2092     IFS=', '
2093     set -- $*
2094     unset IFS
2095     for thing; do
2096         comp=${thing%:*}
2097         prob=${thing#$comp}
2098         prob=${prob#:}
2099         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2100         echo "prob ${prob:-0.5}"
2101         printf '%s\n' $comp
2102     done
2103 }
2104
2105 do_random(){
2106     action=$1
2107     shift
2108     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2109     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2110 }
2111
2112 for opt do
2113     optval="${opt#*=}"
2114     case "$opt" in
2115     --extra-ldflags=*) add_ldflags $optval
2116     ;;
2117     --extra-libs=*) add_extralibs $optval
2118     ;;
2119     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
2120     ;;
2121     --enable-debug=*) debuglevel="$optval"
2122     ;;
2123     --disable-everything)
2124     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2125     ;;
2126     --enable-random|--disable-random)
2127     action=${opt%%-random}
2128     do_random ${action#--} $COMPONENT_LIST
2129     ;;
2130     --enable-random=*|--disable-random=*)
2131     action=${opt%%-random=*}
2132     do_random ${action#--} $optval
2133     ;;
2134     --enable-*=*|--disable-*=*)
2135     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2136     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2137     eval list=\$$(toupper $thing)_LIST
2138     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2139     $action $(filter "$name" $list)
2140     ;;
2141     --enable-?*|--disable-?*)
2142     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2143     if is_in $option $COMPONENT_LIST; then
2144         test $action = disable && action=unset
2145         eval $action \$$(toupper ${option%s})_LIST
2146     elif is_in $option $CMDLINE_SELECT; then
2147         $action $option
2148     else
2149         die_unknown $opt
2150     fi
2151     ;;
2152     --list-*)
2153         NAME="${opt#--list-}"
2154         is_in $NAME $COMPONENT_LIST || die_unknown $opt
2155         NAME=${NAME%s}
2156         eval show_list $NAME \$$(toupper $NAME)_LIST
2157     ;;
2158     --help|-h) show_help
2159     ;;
2160     *)
2161     optname="${opt%%=*}"
2162     optname="${optname#--}"
2163     optname=$(echo "$optname" | sed 's/-/_/g')
2164     if is_in $optname $CMDLINE_SET; then
2165         eval $optname='$optval'
2166     elif is_in $optname $CMDLINE_APPEND; then
2167         append $optname "$optval"
2168     else
2169          die_unknown $opt
2170     fi
2171     ;;
2172     esac
2173 done
2174
2175 disabled logging && logfile=/dev/null
2176
2177 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2178 set >> $logfile
2179
2180 test -n "$cross_prefix" && enable cross_compile
2181
2182 if enabled cross_compile; then
2183     test -n "$arch" && test -n "$target_os" ||
2184         die "Must specify target arch and OS when cross-compiling"
2185 fi
2186
2187 set_default arch target_os postproc_version
2188
2189 # Check if we should build alternative libpostproc version instead of current
2190 if   test "$postproc_version" = $ALT_PP_VER; then
2191   LIBPOSTPROC_VERSION=$ALT_PP_VER
2192   LIBPOSTPROC_VERSION_MAJOR=$ALT_PP_VER_MAJOR
2193   LIBPOSTPROC_VERSION_MINOR=$ALT_PP_VER_MINOR
2194   LIBPOSTPROC_VERSION_MICRO=$ALT_PP_VER_MICRO
2195 elif test "$postproc_version" != current; then
2196   die "Invalid argument to --postproc-version. See --help output."
2197 fi
2198
2199 ar_default="${cross_prefix}${ar_default}"
2200 cc_default="${cross_prefix}${cc_default}"
2201 cxx_default="${cross_prefix}${cxx_default}"
2202 nm_default="${cross_prefix}${nm_default}"
2203 pkg_config_default="${cross_prefix}${pkg_config_default}"
2204 ranlib="${cross_prefix}${ranlib}"
2205 strip_default="${cross_prefix}${strip_default}"
2206
2207 sysinclude_default="${sysroot}/usr/include"
2208
2209 set_default cc cxx nm pkg_config strip sysinclude yasmexe
2210 enabled cross_compile || host_cc_default=$cc
2211 set_default host_cc
2212
2213 if ! $pkg_config --version >/dev/null 2>&1; then
2214     warn "$pkg_config not found, library detection may fail."
2215     pkg_config=false
2216 fi
2217
2218 exesuf() {
2219     case $1 in
2220         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2221     esac
2222 }
2223
2224 EXESUF=$(exesuf $target_os)
2225 HOSTEXESUF=$(exesuf $host_os)
2226
2227 # set temporary file name
2228 : ${TMPDIR:=$TEMPDIR}
2229 : ${TMPDIR:=$TMP}
2230 : ${TMPDIR:=/tmp}
2231
2232 if ! check_cmd mktemp -u XXXXXX; then
2233     # simple replacement for missing mktemp
2234     # NOT SAFE FOR GENERAL USE
2235     mktemp(){
2236         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2237     }
2238 fi
2239
2240 tmpfile(){
2241     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2242         (set -C; exec > $tmp) 2>/dev/null ||
2243         die "Unable to create temporary file in $TMPDIR."
2244     append TMPFILES $tmp
2245     eval $1=$tmp
2246 }
2247
2248 trap 'rm -f -- $TMPFILES' EXIT
2249
2250 tmpfile TMPASM .asm
2251 tmpfile TMPC   .c
2252 tmpfile TMPCPP .cpp
2253 tmpfile TMPE   $EXESUF
2254 tmpfile TMPH   .h
2255 tmpfile TMPO   .o
2256 tmpfile TMPS   .S
2257 tmpfile TMPSH  .sh
2258 tmpfile TMPV   .ver
2259
2260 unset -f mktemp
2261
2262 chmod +x $TMPE
2263
2264 # make sure we can execute files in $TMPDIR
2265 cat > $TMPSH 2>> $logfile <<EOF
2266 #! /bin/sh
2267 EOF
2268 chmod +x $TMPSH >> $logfile 2>&1
2269 if ! $TMPSH >> $logfile 2>&1; then
2270     cat <<EOF
2271 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2272 variable to another directory and make sure that it is not mounted noexec.
2273 EOF
2274     die "Sanity test failed."
2275 fi
2276
2277 pgi_flags(){
2278     for flag; do
2279         case $flag in
2280             -fomit-frame-pointer) echo -Mnoframe ;;
2281             -g)                   echo -gopt ;;
2282             *)                    echo $flag ;;
2283         esac
2284     done
2285 }
2286
2287 suncc_flags(){
2288     for flag; do
2289         case $flag in
2290             -march=*|-mcpu=*)
2291                 case "${flag#*=}" in
2292                     native)                   echo -xtarget=native       ;;
2293                     v9|niagara)               echo -xarch=sparc          ;;
2294                     ultrasparc)               echo -xarch=sparcvis       ;;
2295                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2296                     i586|pentium)             echo -xchip=pentium        ;;
2297                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2298                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2299                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2300                     pentium4*)          echo -xtarget=pentium4           ;;
2301                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2302                     *-sse3)             echo -xarch=sse3                 ;;
2303                     core2)              echo -xarch=ssse3 -xchip=core2   ;;
2304                     amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2305                     athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2306                     k8|opteron|athlon64|athlon-fx)
2307                                               echo -xarch=sse2a          ;;
2308                     athlon*)                  echo -xarch=pentium_proa   ;;
2309                 esac
2310                 ;;
2311             -std=c99)             echo -xc99              ;;
2312             -fomit-frame-pointer) echo -xregs=frameptr    ;;
2313             -fPIC)                echo -KPIC -xcode=pic32 ;;
2314             -W*,*)                echo $flag              ;;
2315             -f*-*|-W*)                                    ;;
2316             *)                    echo $flag              ;;
2317         esac
2318     done
2319 }
2320
2321 tms470_flags(){
2322     for flag; do
2323         case $flag in
2324             -march=*|-mcpu=*)
2325                 case "${flag#*=}" in
2326                     armv7-a|cortex-a*)      echo -mv=7a8 ;;
2327                     armv7-r|cortex-r*)      echo -mv=7r4 ;;
2328                     armv7-m|cortex-m*)      echo -mv=7m3 ;;
2329                     armv6*|arm11*)          echo -mv=6   ;;
2330                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2331                                             echo -mv=5e  ;;
2332                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2333                 esac
2334                 ;;
2335             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2336             -mfpu=vfp)      echo --float_support=vfpv2        ;;
2337             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2338             -msoft-float)   echo --float_support=vfplib       ;;
2339             -O[0-3]|-mf=*)  echo $flag                        ;;
2340             -g)             echo -g -mn                       ;;
2341             -pds=*)         echo $flag                        ;;
2342             -D*|-I*)        echo $flag                        ;;
2343             --gcc|--abi=*)  echo $flag                        ;;
2344             -me)            echo $flag                        ;;
2345         esac
2346     done
2347 }
2348
2349 probe_cc(){
2350     pfx=$1
2351     _cc=$2
2352
2353     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags _ldflags
2354     unset _depflags _DEPCMD _DEPFLAGS
2355     _flags_filter=echo
2356
2357     if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2358         _type=llvm_gcc
2359         gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2360         _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2361         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2362         _cflags_speed='-O3'
2363         _cflags_size='-Os'
2364     elif $_cc -v 2>&1 | grep -qi ^gcc; then
2365         _type=gcc
2366         gcc_version=$($_cc --version | head -n1)
2367         gcc_basever=$($_cc -dumpversion)
2368         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2369         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2370         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2371         if ! $_cc -dumpversion | grep -q '^2\.'; then
2372             _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2373         fi
2374         _cflags_speed='-O3'
2375         _cflags_size='-Os'
2376     elif $_cc --version 2>/dev/null | grep -q Intel; then
2377         _type=icc
2378         _ident=$($_cc --version | head -n1)
2379         _depflags='-MMD'
2380         _cflags_speed='-O3'
2381         _cflags_size='-Os'
2382         _cflags_noopt='-O1'
2383     elif $_cc -v 2>&1 | grep -q xlc; then
2384         _type=xlc
2385         _ident=$($_cc -qversion 2>/dev/null | head -n1)
2386         _cflags_speed='-O5'
2387         _cflags_size='-O5 -qcompact'
2388     elif $_cc -V 2>/dev/null | grep -q Compaq; then
2389         _type=ccc
2390         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2391         _DEPFLAGS='-M'
2392         debuglevel=3
2393         _ldflags='-Wl,-z,now' # calls to libots crash without this
2394         _cflags_speed='-fast'
2395         _cflags_size='-O1'
2396     elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2397         test -d "$sysroot" || die "No valid sysroot specified."
2398         _type=armcc
2399         _ident=$($_cc --vsn | head -n1)
2400         armcc_conf="$PWD/armcc.conf"
2401         $_cc --arm_linux_configure                 \
2402              --arm_linux_config_file="$armcc_conf" \
2403              --configure_sysroot="$sysroot"        \
2404              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2405              die "Error creating armcc configuration file."
2406         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2407         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2408         as_default="${cross_prefix}gcc"
2409         _depflags='-MMD'
2410         _cflags_speed='-O3'
2411         _cflags_size='-Os'
2412     elif $_cc -version 2>/dev/null | grep -q TMS470; then
2413         _type=tms470
2414         _ident=$($_cc -version | head -n1 | tr -s ' ')
2415         _flags='--gcc --abi=eabi -me'
2416         _cflags='-D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__='
2417         _cc_e='-ppl -fe=$@'
2418         _cc_o='-fe=$@'
2419         as_default="${cross_prefix}gcc"
2420         ld_default="${cross_prefix}gcc"
2421         _depflags='-ppa -ppd=$(@:.o=.d)'
2422         _cflags_speed='-O3 -mf=5'
2423         _cflags_size='-O3 -mf=2'
2424         _flags_filter=tms470_flags
2425     elif $_cc -v 2>&1 | grep -q clang; then
2426         _type=clang
2427         _ident=$($_cc --version | head -n1)
2428         _depflags='-MMD'
2429         _cflags_speed='-O3'
2430         _cflags_size='-Os'
2431     elif $_cc -V 2>&1 | grep -q Sun; then
2432         _type=suncc
2433         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2434         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2435         _DEPFLAGS='-xM1'
2436         _ldflags='-std=c99'
2437         _cflags_speed='-O5'
2438         _cflags_size='-O5 -xspace'
2439         _flags_filter=suncc_flags
2440     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2441         _type=pathscale
2442         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2443         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2444         _cflags_speed='-O2'
2445         _cflags_size='-Os'
2446         _flags_filter='filter_out -Wdisabled-optimization'
2447     elif $_cc -v 2>&1 | grep -q Open64; then
2448         _type=open64
2449         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2450         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2451         _cflags_speed='-O2'
2452         _cflags_size='-Os'
2453         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2454     elif $_cc -V 2>&1 | grep -q Portland; then
2455         _type=pgi
2456         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2457         opt_common='-alias=ansi -Mlre -Mpre'
2458         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2459         _cflags_size="-O2 -Munroll=c:1 $opt_common"
2460         _cflags_noopt="-O1"
2461         _flags_filter=pgi_flags
2462     fi
2463
2464     eval ${pfx}_type=\$_type
2465     eval ${pfx}_ident=\$_ident
2466 }
2467
2468 set_ccvars(){
2469     eval ${1}_C=\${_cc_c-\${${1}_C}}
2470     eval ${1}_E=\${_cc_e-\${${1}_E}}
2471     eval ${1}_O=\${_cc_o-\${${1}_O}}
2472
2473     if [ -n "$_depflags" ]; then
2474         eval ${1}_DEPFLAGS=\$_depflags
2475     else
2476         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2477         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2478         eval DEP${1}FLAGS=\$_flags
2479     fi
2480 }
2481
2482 probe_cc cc "$cc"
2483 cflags_filter=$_flags_filter
2484 cflags_speed=$_cflags_speed
2485 cflags_size=$_cflags_size
2486 cflags_noopt=$_cflags_noopt
2487 add_cflags $_flags $_cflags
2488 cc_ldflags=$_ldflags
2489 set_ccvars CC
2490
2491 probe_cc hostcc "$host_cc"
2492 host_cflags_filter=$_flags_filter
2493 host_ldflags_filter=$_flags_filter
2494 add_host_cflags  $_flags $_cflags
2495 add_host_ldflags $_flags $_ldflags
2496 set_ccvars HOSTCC
2497
2498 test -n "$cc_type" && enable $cc_type ||
2499     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2500
2501 : ${as_default:=$cc}
2502 : ${dep_cc_default:=$cc}
2503 : ${ld_default:=$cc}
2504 set_default ar as dep_cc ld
2505
2506 probe_cc as "$as"
2507 asflags_filter=$_flags_filter
2508 add_asflags $_flags $_cflags
2509 set_ccvars AS
2510
2511 probe_cc ld "$ld"
2512 ldflags_filter=$_flags_filter
2513 add_ldflags $_flags $_ldflags
2514 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2515 LD_O=${_cc_o-$LD_O}
2516
2517 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2518     probe_cc depcc "$dep_cc"
2519     CCDEP=${_DEPCMD:-$DEPCMD}
2520     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2521     DEPCCFLAGS=$_flags
2522 fi
2523
2524 add_cflags $extra_cflags
2525 add_cxxflags $extra_cxxflags
2526 add_asflags $extra_cflags
2527
2528 if test -n "$sysroot"; then
2529     case "$cc_type" in
2530         gcc|llvm_gcc|clang)
2531             add_cppflags --sysroot="$sysroot"
2532             add_ldflags --sysroot="$sysroot"
2533         ;;
2534         tms470)
2535             add_cppflags -I"$sysinclude"
2536             add_ldflags  --sysroot="$sysroot"
2537         ;;
2538     esac
2539 fi
2540
2541 if test "$cpu" = host; then
2542     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2543
2544     case "$cc_type" in
2545         gcc|llvm_gcc)
2546             check_native(){
2547                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2548                 sed -n "/cc1.*$1=/{
2549                             s/.*$1=\\([^ ]*\\).*/\\1/
2550                             p
2551                             q
2552                         }" $TMPE
2553             }
2554             cpu=$(check_native -march || check_native -mcpu)
2555         ;;
2556     esac
2557
2558     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2559 fi
2560
2561 # Deal with common $arch aliases
2562 case "$arch" in
2563     arm*|iPad*)
2564         arch="arm"
2565     ;;
2566     mips|mipsel|IP*)
2567         arch="mips"
2568     ;;
2569     mips64*)
2570         arch="mips"
2571         subarch="mips64"
2572     ;;
2573     parisc|hppa)
2574         arch="parisc"
2575     ;;
2576     parisc64|hppa64)
2577         arch="parisc"
2578         subarch="parisc64"
2579     ;;
2580     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2581         arch="ppc"
2582     ;;
2583     s390|s390x)
2584         arch="s390"
2585     ;;
2586     sh4|sh)
2587         arch="sh4"
2588     ;;
2589     sun4u|sparc64)
2590         arch="sparc"
2591         subarch="sparc64"
2592     ;;
2593     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2594         arch="x86"
2595     ;;
2596 esac
2597
2598 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2599 enable $arch
2600
2601 # Add processor-specific flags
2602 if test "$cpu" = generic; then
2603     : do nothing
2604 elif enabled ppc; then
2605
2606     case $(tolower $cpu) in
2607         601|ppc601|powerpc601)
2608             cpuflags="-mcpu=601"
2609             disable altivec
2610         ;;
2611         603*|ppc603*|powerpc603*)
2612             cpuflags="-mcpu=603"
2613             disable altivec
2614         ;;
2615         604*|ppc604*|powerpc604*)
2616             cpuflags="-mcpu=604"
2617             disable altivec
2618         ;;
2619         g3|75*|ppc75*|powerpc75*)
2620             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2621             disable altivec
2622         ;;
2623         g4|745*|ppc745*|powerpc745*)
2624             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2625         ;;
2626         74*|ppc74*|powerpc74*)
2627             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2628         ;;
2629         g5|970|ppc970|powerpc970)
2630             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2631         ;;
2632         power[3-7]*)
2633             cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2634         ;;
2635         cell)
2636             cpuflags="-mcpu=cell"
2637             enable ldbrx
2638         ;;
2639         e500mc)
2640             cpuflags="-mcpu=e500mc"
2641             disable altivec
2642         ;;
2643         e500v2)
2644             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2645             disable altivec
2646         ;;
2647         e500)
2648             cpuflags="-mcpu=8540 -mhard-float"
2649             disable altivec
2650         ;;
2651     esac
2652
2653 elif enabled x86; then
2654
2655     case $cpu in
2656         i[345]86|pentium)
2657             cpuflags="-march=$cpu"
2658             disable mmx
2659         ;;
2660         # targets that do NOT support conditional mov (cmov)
2661         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2662             cpuflags="-march=$cpu"
2663             disable cmov
2664         ;;
2665         # targets that do support conditional mov (cmov)
2666         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2667             cpuflags="-march=$cpu"
2668             enable cmov
2669             enable fast_cmov
2670         ;;
2671         # targets that do support conditional mov but on which it's slow
2672         pentium4|pentium4m|prescott|nocona)
2673             cpuflags="-march=$cpu"
2674             enable cmov
2675             disable fast_cmov
2676         ;;
2677     esac
2678
2679 elif enabled sparc; then
2680
2681     case $cpu in
2682         niagara)
2683             cpuflags="-mcpu=$cpu"
2684             disable vis
2685         ;;
2686         sparc64)
2687             cpuflags="-mcpu=v9"
2688         ;;
2689     esac
2690
2691 elif enabled arm; then
2692
2693     case $cpu in
2694         armv*)
2695             cpuflags="-march=$cpu"
2696             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2697         ;;
2698         *)
2699             cpuflags="-mcpu=$cpu"
2700             case $cpu in
2701                 cortex-a*)                               subarch=armv7a  ;;
2702                 cortex-r*)                               subarch=armv7r  ;;
2703                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2704                 arm11*)                                  subarch=armv6   ;;
2705                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2706                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2707             esac
2708         ;;
2709     esac
2710
2711 elif enabled alpha; then
2712
2713     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2714
2715 elif enabled bfin; then
2716
2717     cpuflags="-mcpu=$cpu"
2718
2719 elif enabled mips; then
2720
2721     cpuflags="-march=$cpu"
2722
2723     case $cpu in
2724         24kc)
2725             disable mipsfpu
2726             disable mipsdspr1
2727             disable mipsdspr2
2728         ;;
2729         24kf*)
2730             disable mipsdspr1
2731             disable mipsdspr2
2732         ;;
2733         24kec|34kc|1004kc)
2734             disable mipsfpu
2735             disable mipsdspr2
2736         ;;
2737         24kef*|34kf*|1004kf*)
2738             disable mipsdspr2
2739         ;;
2740         74kc)
2741             disable mipsfpu
2742         ;;
2743     esac
2744
2745 elif enabled avr32; then
2746
2747     case $cpu in
2748         ap7[02]0[0-2])
2749             subarch="avr32_ap"
2750             cpuflags="-mpart=$cpu"
2751         ;;
2752         ap)
2753             subarch="avr32_ap"
2754             cpuflags="-march=$cpu"
2755         ;;
2756         uc3[ab]*)
2757             subarch="avr32_uc"
2758             cpuflags="-mcpu=$cpu"
2759         ;;
2760         uc)
2761             subarch="avr32_uc"
2762             cpuflags="-march=$cpu"
2763         ;;
2764     esac
2765
2766 fi
2767
2768 add_cflags $cpuflags
2769 add_asflags $cpuflags
2770
2771 # compiler sanity check
2772 check_exec <<EOF
2773 int main(void){ return 0; }
2774 EOF
2775 if test "$?" != 0; then
2776     echo "$cc is unable to create an executable file."
2777     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2778         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2779         echo "Only do this if you know what cross compiling means."
2780     fi
2781     die "C compiler test failed."
2782 fi
2783
2784 add_cppflags -D_ISOC99_SOURCE
2785 add_cxxflags -D__STDC_CONSTANT_MACROS
2786 check_cflags -std=c99
2787 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2788 #include <stdlib.h>
2789 EOF
2790 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2791 #include <stdlib.h>
2792 EOF
2793
2794 check_host_cflags -std=c99
2795 check_host_cflags -Wall
2796
2797 case "$arch" in
2798     alpha|ia64|mips|parisc|sparc)
2799         spic=$shared
2800     ;;
2801     x86)
2802         subarch="x86_32"
2803         check_code cc "" "int test[(int)sizeof(char*) - 7]" && subarch="x86_64"
2804         if test "$subarch" = "x86_64"; then
2805             spic=$shared
2806         fi
2807     ;;
2808     ppc)
2809         check_cc <<EOF && subarch="ppc64"
2810         int test[(int)sizeof(char*) - 7];
2811 EOF
2812     ;;
2813 esac
2814
2815 enable $subarch
2816 enabled spic && enable pic
2817
2818 # OS specific
2819 case $target_os in
2820     haiku)
2821         prefix_default="/boot/common"
2822         network_extralibs="-lnetwork"
2823         host_libs=
2824         ;;
2825     sunos)
2826         FFSERVERLDFLAGS=""
2827         SHFLAGS='-shared -Wl,-h,$$(@F)'
2828         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2829         network_extralibs="-lsocket -lnsl"
2830         add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
2831         # When using suncc to build, the Solaris linker will mark
2832         # an executable with each instruction set encountered by
2833         # the Solaris assembler.  As our libraries contain their own
2834         # guards for processor-specific code, instead suppress
2835         # generation of the HWCAPS ELF section on Solaris x86 only.
2836         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2837         nm_opts='-P -g'
2838         ;;
2839     netbsd)
2840         disable symver
2841         oss_indev_extralibs="-lossaudio"
2842         oss_outdev_extralibs="-lossaudio"
2843         ;;
2844     openbsd|bitrig)
2845         # On OpenBSD 4.5. the compiler does not use PIC unless
2846         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2847         # however the generated executable will not do anything
2848         # (simply quits with exit-code 1, no crash, no output).
2849         # Thus explicitly enable PIC here.
2850         enable pic
2851         disable symver
2852         SHFLAGS='-shared'
2853         SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBVERSION)'
2854         oss_indev_extralibs="-lossaudio"
2855         oss_outdev_extralibs="-lossaudio"
2856         ;;
2857     dragonfly)
2858         disable symver
2859         ;;
2860     freebsd)
2861         ;;
2862     bsd/os)
2863         add_extralibs -lpoll -lgnugetopt
2864         strip="strip -d"
2865         ;;
2866     darwin)
2867         gas="gas-preprocessor.pl $cc"
2868         enabled ppc && add_asflags -force_cpusubtype_ALL
2869         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2870         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2871         strip="${strip} -x"
2872         add_ldflags -Wl,-dynamic,-search_paths_first
2873         SLIBSUF=".dylib"
2874         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2875         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2876         FFSERVERLDFLAGS=-Wl,-bind_at_load
2877         objformat="macho"
2878         enabled x86_64 && objformat="macho64"
2879         enabled_any pic shared ||
2880             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2881         ;;
2882     mingw32*)
2883         if test $target_os = "mingw32ce"; then
2884             disable network
2885         else
2886             target_os=mingw32
2887         fi
2888         LIBTARGET=i386
2889         if enabled x86_64; then
2890             LIBTARGET="i386:x86-64"
2891         elif enabled arm; then
2892             LIBTARGET=arm-wince
2893         fi
2894         shlibdir_default="$bindir_default"
2895         SLIBPREF=""
2896         SLIBSUF=".dll"
2897         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2898         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2899         dlltool="${cross_prefix}dlltool"
2900         if check_cmd lib.exe -list; then
2901             SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2902             if enabled x86_64; then
2903                 LIBTARGET=x64
2904             fi
2905         elif check_cmd $dlltool --version; then
2906             SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2907         fi
2908         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2909         SLIB_INSTALL_LINKS=
2910         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2911         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2912         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2913         objformat="win32"
2914         enable dos_paths
2915         check_cflags -fno-common
2916         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2917                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2918                 die "ERROR: MinGW runtime version must be >= 3.15."
2919         add_cppflags -U__STRICT_ANSI__
2920         ;;
2921     cygwin*)
2922         target_os=cygwin
2923         shlibdir_default="$bindir_default"
2924         SLIBPREF="cyg"
2925         SLIBSUF=".dll"
2926         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2927         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2928         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2929         SLIB_INSTALL_LINKS=
2930         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
2931         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
2932         objformat="win32"
2933         enable dos_paths
2934         check_cflags -fno-common
2935         add_cppflags -U__STRICT_ANSI__
2936         ;;
2937     *-dos|freedos|opendos)
2938         network_extralibs="-lsocket"
2939         objformat="coff"
2940         enable dos_paths
2941         add_cppflags -U__STRICT_ANSI__
2942         ;;
2943     linux)
2944         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2945         enable dv1394
2946         ;;
2947     irix*)
2948         target_os=irix
2949         ranlib="echo ignoring ranlib"
2950         ;;
2951     os/2*)
2952         strip="lxlite -CS"
2953         ln_s="cp -f"
2954         objformat="aout"
2955         add_cppflags -D_GNU_SOURCE
2956         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2957         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2958         FFSERVERLDFLAGS=""
2959         LIBSUF="_s.a"
2960         SLIBPREF=""
2961         SLIBSUF=".dll"
2962         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2963         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2964         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2965           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2966           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2967           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2968           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2969           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2970         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2971           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2972         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2973         enable dos_paths
2974         enable_weak os2threads
2975         ;;
2976     gnu/kfreebsd)
2977         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2978         ;;
2979     gnu)
2980         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2981         ;;
2982     qnx)
2983         add_cppflags -D_QNX_SOURCE
2984         network_extralibs="-lsocket"
2985         ;;
2986     symbian)
2987         SLIBSUF=".dll"
2988         enable dos_paths
2989         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2990         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2991         add_ldflags -Wl,--target1-abs,--no-undefined \
2992                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2993                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2994         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2995                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2996                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2997         ;;
2998     none)
2999         ;;
3000     *)
3001         die "Unknown OS '$target_os'."
3002         ;;
3003 esac
3004
3005 esc(){
3006     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3007 }
3008
3009 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
3010
3011 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
3012
3013 set_default $PATHS_LIST
3014
3015 # we need to build at least one lib type
3016 if ! enabled_any static shared; then
3017     cat <<EOF
3018 At least one library type must be built.
3019 Specify --enable-static to build the static libraries or --enable-shared to
3020 build the shared libraries as well. To only build the shared libraries specify
3021 --disable-static in addition to --enable-shared.
3022 EOF
3023     exit 1;
3024 fi
3025
3026 die_license_disabled() {
3027     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3028 }
3029
3030 die_license_disabled_gpl() {
3031     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
3032 }
3033
3034 die_license_disabled gpl libcdio
3035 die_license_disabled gpl libutvideo
3036 die_license_disabled gpl libx264
3037 die_license_disabled gpl libxavs
3038 die_license_disabled gpl libxvid
3039 die_license_disabled gpl x11grab
3040
3041 die_license_disabled nonfree libaacplus
3042 die_license_disabled nonfree libfaac
3043 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
3044 enabled gpl && die_license_disabled_gpl nonfree openssl
3045
3046 die_license_disabled version3 libopencore_amrnb
3047 die_license_disabled version3 libopencore_amrwb
3048 die_license_disabled version3 libvo_aacenc
3049 die_license_disabled version3 libvo_amrwbenc
3050
3051 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3052
3053 disabled optimizations || check_cflags -fomit-frame-pointer
3054
3055 enable_pic() {
3056     enable pic
3057     add_cppflags -DPIC
3058     add_cflags   -fPIC
3059     add_asflags  -fPIC
3060 }
3061
3062 enabled pic && enable_pic
3063
3064 check_cc <<EOF || die "Symbol mangling check failed."
3065 int ff_extern;
3066 EOF
3067 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3068 extern_prefix=${sym%%ff_extern*}
3069
3070 check_cc <<EOF && enable inline_asm
3071 void foo(void) { __asm__ volatile ("" ::); }
3072 EOF
3073
3074 _restrict=
3075 for restrict_keyword in restrict __restrict__ __restrict; do
3076     check_cc <<EOF && _restrict=$restrict_keyword && break
3077 void foo(char * $restrict_keyword p);
3078 EOF
3079 done
3080
3081 check_cc <<EOF && enable attribute_packed
3082 struct { int x; } __attribute__((packed)) x;
3083 EOF
3084
3085 check_cc <<EOF && enable attribute_may_alias
3086 union { int x; } __attribute__((may_alias)) x;
3087 EOF
3088
3089 check_cc <<EOF || die "endian test failed"
3090 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3091 EOF
3092 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3093
3094 if enabled alpha; then
3095
3096     check_cflags -mieee
3097
3098 elif enabled arm; then
3099
3100     enabled thumb && check_cflags -mthumb || check_cflags -marm
3101     nogas=die
3102
3103     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3104         enable vfp_args
3105     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3106         case "${cross_prefix:-$cc}" in
3107             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
3108             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3109 __asm__ (".eabi_attribute 28, 1");
3110 int main(void) { return 0; }
3111 EOF
3112         esac
3113         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3114     fi
3115
3116     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
3117     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
3118     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
3119     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
3120     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
3121     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
3122
3123     check_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3124     check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
3125
3126     enabled_all armv6t2 shared !pic && enable_pic
3127
3128 elif enabled mips; then
3129
3130     check_asm loongson '"dmult.g $1, $2, $3"'
3131     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
3132     enabled mips32r2  && add_cflags "-mips32r2" &&
3133      check_asm mips32r2  '"rotr $t0, $t1, 1"'
3134     enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
3135      check_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
3136     enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
3137      check_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
3138     enabled mipsfpu   && add_cflags "-mhard-float" &&
3139      check_asm mipsfpu   '"madd.d $f0, $f2, $f4, $f6"'
3140
3141
3142 elif enabled ppc; then
3143
3144     enable local_aligned_8 local_aligned_16
3145
3146     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
3147     check_asm ibm_asm   '"add 0, 0, 0"'
3148     check_asm ppc4xx    '"maclhw r10, r11, r12"'
3149     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
3150
3151     # AltiVec flags: The FSF version of GCC differs from the Apple version
3152     if enabled altivec; then
3153         nogas=warn
3154         check_cflags -maltivec -mabi=altivec &&
3155         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3156         check_cflags -faltivec
3157
3158         # check if our compiler supports Motorola AltiVec C API
3159         check_cc <<EOF || disable altivec
3160 $inc_altivec_h
3161 int main(void) {
3162     vector signed int v1, v2, v3;
3163     v1 = vec_add(v2,v3);
3164     return 0;
3165 }
3166 EOF
3167
3168         # check if our compiler supports braces for vector declarations
3169         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
3170 $inc_altivec_h
3171 int main (void) { (vector int) {1}; return 0; }
3172 EOF
3173     fi
3174
3175 elif enabled sparc; then
3176
3177     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
3178         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
3179
3180 elif enabled x86; then
3181
3182     check_code ld immintrin.h "__xgetbv(0)" "cc" && enable xgetbv
3183     check_code ld intrin.h "int info[4]; __cpuid(info, 0)" "cc" && enable cpuid
3184     check_code ld intrin.h "__rdtsc()" "cc" && enable rdtsc
3185     check_code ld intrin.h "unsigned int x = __readeflags()" "cc" && enable rweflags
3186
3187     check_code ld mmintrin.h "_mm_empty()" "cc" && enable mm_empty
3188
3189     enable local_aligned_8 local_aligned_16
3190
3191     # check whether EBP is available on x86
3192     # As 'i' is stored on the stack, this program will crash
3193     # if the base pointer is used to access it because the
3194     # base pointer is cleared in the inline assembly code.
3195     check_exec_crash <<EOF && enable ebp_available
3196     volatile int i=0;
3197     __asm__ volatile (
3198         "xorl %%ebp, %%ebp"
3199     ::: "%ebp");
3200     return i;
3201 EOF
3202
3203     # check whether EBX is available on x86
3204     check_asm ebx_available '""::"b"(0)' &&
3205         check_asm ebx_available '"":::"%ebx"'
3206
3207     # check whether xmm clobbers are supported
3208     check_asm xmm_clobbers '"":::"%xmm0"'
3209
3210     # check whether binutils is new enough to compile SSSE3/MMXEXT
3211     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
3212     enabled mmxext && check_asm mmxext '"pmaxub %mm0, %mm1"'
3213
3214     if ! disabled_any asm mmx yasm; then
3215         if check_cmd $yasmexe --version; then
3216             enabled x86_64 && yasm_extra="-m amd64"
3217             yasm_debug="-g dwarf2"
3218         elif check_cmd nasm -v; then
3219             yasmexe=nasm
3220             yasm_debug="-g -F dwarf"
3221             enabled x86_64 && test "$objformat" = elf && objformat=elf64
3222         fi
3223
3224         YASMFLAGS="-f $objformat $yasm_extra"
3225         enabled pic               && append YASMFLAGS "-DPIC"
3226         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
3227         case "$objformat" in
3228             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3229         esac
3230
3231         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3232             die "yasm not found, use --disable-yasm for a crippled build"
3233         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
3234         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4
3235         check_yasm "CPU amdnop" && enable cpunop
3236     fi
3237
3238     case "$cpu" in
3239         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3240             disable fast_clz
3241         ;;
3242     esac
3243
3244 fi
3245
3246 if enabled asm; then
3247     as=${gas:=$as}
3248     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3249         $nogas "GNU assembler not found, install gas-preprocessor"
3250 fi
3251
3252 check_ldflags -Wl,--as-needed
3253
3254 if check_func dlopen; then
3255     ldl=
3256 elif check_func dlopen -ldl; then
3257     ldl=-ldl
3258 fi
3259
3260 if enabled network; then
3261     check_type "sys/types.h sys/socket.h" socklen_t
3262     check_type netdb.h "struct addrinfo"
3263     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
3264     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
3265     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3266     check_type netinet/in.h "struct sockaddr_in6"
3267     check_type poll.h "struct pollfd"
3268     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3269     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3270     check_type netinet/sctp.h "struct sctp_event_subscribe"
3271     check_func getaddrinfo $network_extralibs
3272     # Prefer arpa/inet.h over winsock2
3273     if check_header arpa/inet.h ; then
3274         check_func closesocket
3275     elif check_header winsock2.h ; then
3276         check_func_headers winsock2.h closesocket -lws2 &&
3277             network_extralibs="-lws2" ||
3278         { check_func_headers winsock2.h closesocket -lws2_32 &&
3279             network_extralibs="-lws2_32"; }
3280         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
3281         check_type ws2tcpip.h socklen_t
3282         check_type ws2tcpip.h "struct addrinfo"
3283         check_type ws2tcpip.h "struct group_source_req"
3284         check_type ws2tcpip.h "struct ip_mreq_source"
3285         check_type ws2tcpip.h "struct ipv6_mreq"
3286         check_type winsock2.h "struct pollfd"
3287         check_type ws2tcpip.h "struct sockaddr_in6"
3288         check_type ws2tcpip.h "struct sockaddr_storage"
3289         check_struct winsock2.h "struct sockaddr" sa_len
3290     else
3291         disable network
3292     fi
3293 fi
3294
3295 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3296 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3297
3298 check_func  clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
3299 check_func  fcntl
3300 check_func  fork
3301 check_func  gethrtime
3302 check_func  getopt
3303 check_func  getrusage
3304 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3305 check_func  gettimeofday
3306 check_func  inet_aton $network_extralibs
3307 check_func  isatty
3308 check_func  localtime_r
3309 check_func  ${malloc_prefix}memalign            && enable memalign
3310 check_func  mkstemp
3311 check_func  mmap
3312 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
3313 check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc
3314 check_func  setrlimit
3315 check_func  strerror_r
3316 check_func  strptime
3317 check_func  sched_getaffinity
3318 check_func  sysconf
3319 check_func  sysctl
3320 check_func  usleep
3321 check_func_headers conio.h kbhit
3322 check_func_headers windows.h PeekNamedPipe
3323 check_func_headers io.h setmode
3324 check_func_headers lzo/lzo1x.h lzo1x_999_compress
3325 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
3326 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3327 check_func_headers windows.h GetProcessAffinityMask
3328 check_func_headers windows.h GetProcessTimes
3329 check_func_headers windows.h GetSystemTimeAsFileTime
3330 check_func_headers windows.h MapViewOfFile
3331 check_func_headers windows.h Sleep
3332 check_func_headers windows.h VirtualAlloc
3333 check_func_headers glob.h glob
3334
3335 check_header dlfcn.h
3336 check_header dxva.h
3337 check_header dxva2api.h -D_WIN32_WINNT=0x0600
3338 check_header libcrystalhd/libcrystalhd_if.h
3339 check_header malloc.h
3340 check_header poll.h
3341 check_header sys/mman.h
3342 check_header sys/param.h
3343 check_header sys/resource.h
3344 check_header sys/select.h
3345 check_header sys/time.h
3346 check_header termios.h
3347 check_header unistd.h
3348 check_header vdpau/vdpau.h
3349 check_header vdpau/vdpau_x11.h
3350 check_header windows.h
3351 check_header X11/extensions/XvMClib.h
3352 check_header asm/types.h
3353
3354 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3355 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3356
3357 # check for VDA header
3358 if ! disabled vda; then
3359     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3360         enable vda
3361         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3362     fi
3363 fi
3364
3365 if ! disabled w32threads && ! enabled pthreads; then
3366     check_func _beginthreadex && enable w32threads
3367 fi
3368
3369 # check for some common methods of building with pthread support
3370 # do this before the optional library checks as some of them require pthreads
3371 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3372     enable pthreads
3373     if check_func pthread_create; then
3374         :
3375     elif check_func pthread_create -pthread; then
3376         add_cflags -pthread
3377         add_extralibs -pthread
3378     elif check_func pthread_create -pthreads; then
3379         add_cflags -pthreads
3380         add_extralibs -pthreads
3381     elif check_func pthread_create -lpthreadGC2; then
3382         add_extralibs -lpthreadGC2
3383     elif ! check_lib pthread.h pthread_create -lpthread; then
3384         disable pthreads
3385     fi
3386 fi
3387
3388 for thread in $THREADS_LIST; do
3389     if enabled $thread; then
3390         test -n "$thread_type" &&
3391             die "ERROR: Only one thread type must be selected." ||
3392             thread_type="$thread"
3393     fi
3394 done
3395
3396 if enabled pthreads; then
3397   check_func pthread_cancel
3398 fi
3399
3400 check_lib math.h sin -lm && LIBM="-lm"
3401 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3402 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3403
3404 check_mathfunc cbrtf
3405 check_mathfunc exp2
3406 check_mathfunc exp2f
3407 check_mathfunc isinf
3408 check_mathfunc isnan
3409 check_mathfunc llrint
3410 check_mathfunc llrintf
3411 check_mathfunc log2
3412 check_mathfunc log2f
3413 check_mathfunc lrint
3414 check_mathfunc lrintf
3415 check_mathfunc rint
3416 check_mathfunc round
3417 check_mathfunc roundf
3418 check_mathfunc trunc
3419 check_mathfunc truncf
3420
3421 # these are off by default, so fail if requested and not available
3422 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3423 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
3424 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3425 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3426 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
3427 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3428 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3429 enabled libbluray  && require libbluray libbluray/bluray.h bd_open -lbluray
3430 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0 &&
3431                       { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
3432                         die "ERROR: libcelt version must be >= 0.11.0."; }
3433 enabled libcaca    && require_pkg_config caca caca.h caca_create_canvas
3434 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3435 enabled libfdk_aac && require  libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
3436 flite_libs="-lflite_cmu_time_awb -lflite_cmu_us_awb -lflite_cmu_us_kal -lflite_cmu_us_kal16 -lflite_cmu_us_rms -lflite_cmu_us_slt -lflite_usenglish -lflite_cmulex -lflite"
3437 enabled libflite   && require2 libflite "flite/flite.h" flite_init $flite_libs
3438 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3439 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3440 enabled libilbc    && require  libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
3441 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3442 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3443 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3444 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3445 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3446 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3447 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3448 enabled libopus    && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
3449 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3450 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3451 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3452 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3453 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3454     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3455     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
3456 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3457 enabled libtwolame && require  libtwolame twolame.h twolame_init -ltwolame &&
3458                       { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
3459                         die "ERROR: libtwolame version must be >= 0.3.10"; }
3460 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3461 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3462 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3463 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3464 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3465 enabled libvpx     && {
3466     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3467                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3468     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
3469                                 die "ERROR: libvpx encoder version must be >=0.9.7"; } }
3470 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3471                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3472                         die "ERROR: libx264 version must be >= 0.118."; }
3473 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3474 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3475 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3476                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3477                         die "ERROR: openal not found"; } &&
3478                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3479                         die "ERROR: openal version must be 1.1 or compatible"; }
3480 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3481                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3482                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3483                         die "ERROR: openssl not found"; }
3484
3485 if enabled gnutls; then
3486     { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
3487     { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
3488 fi
3489
3490 # libdc1394 check
3491 if enabled libdc1394; then
3492     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3493         enable libdc1394_2; } ||
3494     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3495         enable libdc1394_1; } ||
3496     die "ERROR: No version of libdc1394 found "
3497 fi
3498
3499 SDL_CONFIG="${cross_prefix}sdl-config"
3500 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3501     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3502     enable sdl &&
3503     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3504 else
3505   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3506     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3507     sdl_libs=$("${SDL_CONFIG}" --libs)
3508     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3509     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3510     enable sdl &&
3511     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3512   fi
3513 fi
3514 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3515
3516 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
3517 makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
3518 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
3519
3520 check_header linux/fb.h
3521 check_header linux/videodev.h
3522 check_header linux/videodev2.h
3523 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3524
3525 check_header sys/videoio.h
3526
3527 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3528 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3529 # w32api 3.12 had it defined wrong
3530 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3531
3532 check_type "dshow.h" IBaseFilter
3533
3534 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3535 { check_header dev/bktr/ioctl_meteor.h &&
3536   check_header dev/bktr/ioctl_bt848.h; } ||
3537 { check_header machine/ioctl_meteor.h &&
3538   check_header machine/ioctl_bt848.h; } ||
3539 { check_header dev/video/meteor/ioctl_meteor.h &&
3540   check_header dev/video/bktr/ioctl_bt848.h; } ||
3541 check_header dev/ic/bt8xx.h
3542
3543 check_header sndio.h
3544 if check_struct sys/soundcard.h audio_buf_info bytes; then
3545     enable_safe sys/soundcard.h
3546 else
3547     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3548     #include <sys/soundcard.h>
3549     audio_buf_info abc;
3550 EOF
3551 fi
3552 check_header soundcard.h
3553
3554 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3555
3556 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
3557     check_func jack_port_get_latency_range -ljack
3558
3559 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3560
3561 enabled libcdio &&
3562     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3563
3564 enabled x11grab                                           &&
3565 require X11 X11/Xlib.h XOpenDisplay -lX11                 &&
3566 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3567 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3568
3569 if ! disabled vaapi; then
3570     check_lib va/va.h vaInitialize -lva && {
3571         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3572         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3573     } || disable vaapi
3574 fi
3575
3576 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3577 check_cpp_condition \
3578     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3579     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3580       disable vdpau; }
3581 fi
3582
3583 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3584 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3585 test -n "$valgrind" && target_exec="$valgrind --error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3586
3587 # add some useful compiler flags if supported
3588 check_cflags -Wdeclaration-after-statement
3589 check_cflags -Wall
3590 check_cflags -Wno-parentheses
3591 check_cflags -Wno-switch
3592 check_cflags -Wno-format-zero-length
3593 check_cflags -Wdisabled-optimization
3594 check_cflags -Wpointer-arith
3595 check_cflags -Wredundant-decls
3596 check_cflags -Wno-pointer-sign
3597 check_cflags -Wwrite-strings
3598 check_cflags -Wtype-limits
3599 check_cflags -Wundef
3600 check_cflags -Wmissing-prototypes
3601 check_cflags -Wno-pointer-to-int-cast
3602 check_cflags -Wstrict-prototypes
3603 enabled extra_warnings && check_cflags -Winline
3604
3605 # add some linker flags
3606 check_ldflags -Wl,--warn-common
3607 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3608 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3609
3610 enabled xmm_clobber_test &&
3611     check_ldflags -Wl,--wrap,avcodec_open2              \
3612                   -Wl,--wrap,avcodec_decode_audio4      \
3613                   -Wl,--wrap,avcodec_decode_video2      \
3614                   -Wl,--wrap,avcodec_decode_subtitle2   \
3615                   -Wl,--wrap,avcodec_encode_audio2      \
3616                   -Wl,--wrap,avcodec_encode_video       \
3617                   -Wl,--wrap,avcodec_encode_subtitle    \
3618                   -Wl,--wrap,sws_scale ||
3619     disable xmm_clobber_test
3620
3621 echo "X{};" > $TMPV
3622 if test_ldflags -Wl,--version-script,$TMPV; then
3623     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3624     check_cc <<EOF && enable symver_asm_label
3625 void ff_foo(void) __asm__ ("av_foo@VERSION");
3626 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3627 EOF
3628     check_cc <<EOF && enable symver_gnu_asm
3629 __asm__(".symver ff_foo,av_foo@VERSION");
3630 void ff_foo(void) {}
3631 EOF
3632 fi
3633
3634 if [ -n "$optflags" ]; then
3635     add_cflags $optflags
3636 elif enabled small; then
3637     add_cflags $cflags_size
3638 elif enabled optimizations; then
3639     add_cflags $cflags_speed
3640 else
3641     add_cflags $cflags_noopt
3642 fi
3643 check_cflags -fno-math-errno
3644 check_cflags -fno-signed-zeros
3645 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3646 int x;
3647 EOF
3648
3649
3650 if enabled icc; then
3651     # Just warnings, no remarks
3652     check_cflags -w1
3653     # -wd: Disable following warnings
3654     # 144, 167, 556: -Wno-pointer-sign
3655     # 1292: attribute "foo" ignored
3656     # 1419: external declaration in primary source file
3657     # 10006: ignoring unknown option -fno-signed-zeros
3658     # 10148: ignoring unknown option -Wno-parentheses
3659     # 10156: ignoring option '-W'; no argument required
3660     check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3661     # 11030: Warning unknown option --as-needed
3662     # 10156: ignoring option '-export'; no argument required
3663     check_ldflags -wd10156,11030
3664     # Allow to compile with optimizations
3665     check_ldflags -march=$cpu
3666     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3667     enable ebp_available
3668     if enabled x86_32; then
3669         icc_version=$($cc -dumpversion)
3670         test ${icc_version%%.*} -ge 11 &&
3671             check_cflags -falign-stack=maintain-16-byte ||
3672             disable aligned_stack
3673     fi
3674 elif enabled ccc; then
3675     # disable some annoying warnings
3676     add_cflags -msg_disable cvtu32to64
3677     add_cflags -msg_disable embedcomment
3678     add_cflags -msg_disable needconstext
3679     add_cflags -msg_disable nomainieee
3680     add_cflags -msg_disable ptrmismatch1
3681     add_cflags -msg_disable unreachcode
3682 elif enabled gcc; then
3683     check_cflags -fno-tree-vectorize
3684     check_cflags -Werror=implicit-function-declaration
3685     check_cflags -Werror=missing-prototypes
3686 elif enabled llvm_gcc; then
3687     check_cflags -mllvm -stack-alignment=16
3688 elif enabled clang; then
3689     check_cflags -mllvm -stack-alignment=16
3690     check_cflags -Qunused-arguments
3691 elif enabled armcc; then
3692     # 2523: use of inline assembler is deprecated
3693     add_cflags -W${armcc_opt},--diag_suppress=2523
3694     add_cflags -W${armcc_opt},--diag_suppress=1207
3695     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3696     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3697     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3698     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3699 elif enabled tms470; then
3700     add_cflags -pds=824 -pds=837
3701 elif enabled pathscale; then
3702     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3703 fi
3704
3705 enabled_any $THREADS_LIST      && enable threads
3706
3707 check_deps $CONFIG_LIST       \
3708            $CONFIG_EXTRA      \
3709            $HAVE_LIST         \
3710            $ALL_COMPONENTS    \
3711            $ALL_TESTS         \
3712
3713 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3714
3715 if test $target_os = "haiku"; then
3716     disable memalign
3717     disable posix_memalign
3718 fi
3719
3720 ! enabled_any memalign posix_memalign aligned_malloc &&
3721     enabled_any $need_memalign && enable memalign_hack
3722
3723 # add_dep lib dep
3724 # -> enable ${lib}_deps_${dep}
3725 # -> add $dep to ${lib}_deps only once
3726 add_dep() {
3727     lib=$1
3728     dep=$2
3729     enabled "${lib}_deps_${dep}" && return 0
3730     enable  "${lib}_deps_${dep}"
3731     prepend "${lib}_deps" $dep
3732 }
3733
3734 # merge deps lib components
3735 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
3736 merge_deps() {
3737     lib=$1
3738     shift
3739     for comp in $*; do
3740         enabled $comp || continue
3741         eval "dep=\"\$${comp}_deps\""
3742         for d in $dep; do
3743             add_dep $lib $d
3744         done
3745     done
3746 }
3747
3748 merge_deps libavfilter $FILTER_LIST
3749
3750 echo "install prefix            $prefix"
3751 echo "source path               $source_path"
3752 echo "C compiler                $cc"
3753 echo "ARCH                      $arch ($cpu)"
3754 if test "$build_suffix" != ""; then
3755     echo "build suffix              $build_suffix"
3756 fi
3757 if test "$progs_suffix" != ""; then
3758     echo "progs suffix              $progs_suffix"
3759 fi
3760 if test "$extra_version" != ""; then
3761     echo "version string suffix     $extra_version"
3762 fi
3763 echo "big-endian                ${bigendian-no}"
3764 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3765 if enabled x86; then
3766     echo "${yasmexe}                      ${yasm-no}"
3767     echo "MMX enabled               ${mmx-no}"
3768     echo "MMXEXT enabled            ${mmxext-no}"
3769     echo "3DNow! enabled            ${amd3dnow-no}"
3770     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3771     echo "SSE enabled               ${sse-no}"
3772     echo "SSSE3 enabled             ${ssse3-no}"
3773     echo "AVX enabled               ${avx-no}"
3774     echo "FMA4 enabled              ${fma4-no}"
3775     echo "CMOV enabled              ${cmov-no}"
3776     echo "CMOV is fast              ${fast_cmov-no}"
3777     echo "EBX available             ${ebx_available-no}"
3778     echo "EBP available             ${ebp_available-no}"
3779 fi
3780 if enabled arm; then
3781     echo "ARMv5TE enabled           ${armv5te-no}"
3782     echo "ARMv6 enabled             ${armv6-no}"
3783     echo "ARMv6T2 enabled           ${armv6t2-no}"
3784     echo "ARM VFP enabled           ${armvfp-no}"
3785     echo "NEON enabled              ${neon-no}"
3786 fi
3787 if enabled mips; then
3788     echo "MMI enabled               ${mmi-no}"
3789     echo "MIPS FPU enabled          ${mipsfpu-no}"
3790     echo "MIPS32R2 enabled          ${mips32r2-no}"
3791     echo "MIPS DSP R1 enabled       ${mipsdspr1-no}"
3792     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"
3793 fi
3794 if enabled ppc; then
3795     echo "AltiVec enabled           ${altivec-no}"
3796     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3797     echo "dcbzl available           ${dcbzl-no}"
3798 fi
3799 if enabled sparc; then
3800     echo "VIS enabled               ${vis-no}"
3801 fi
3802 echo "debug symbols             ${debug-no}"
3803 echo "strip symbols             ${stripping-no}"
3804 echo "optimize for size         ${small-no}"
3805 echo "optimizations             ${optimizations-no}"
3806 echo "static                    ${static-no}"
3807 echo "shared                    ${shared-no}"
3808 echo "postprocessing support    ${postproc-no}"
3809 echo "new filter support        ${avfilter-no}"
3810 echo "network support           ${network-no}"
3811 echo "threading support         ${thread_type-no}"
3812 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
3813 echo "SDL support               ${sdl-no}"
3814 echo "libdxva2 enabled          ${dxva2-no}"
3815 echo "libva enabled             ${vaapi-no}"
3816 echo "libvdpau enabled          ${vdpau-no}"
3817 echo "AVISynth enabled          ${avisynth-no}"
3818 echo "frei0r enabled            ${frei0r-no}"
3819 echo "gnutls enabled            ${gnutls-no}"
3820 echo "libaacplus enabled        ${libaacplus-no}"
3821 echo "libass enabled            ${libass-no}"
3822 echo "libcaca enabled           ${libcaca-no}"
3823 echo "libcdio support           ${libcdio-no}"
3824 echo "libcelt enabled           ${libcelt-no}"
3825 echo "libdc1394 support         ${libdc1394-no}"
3826 echo "libfaac enabled           ${libfaac-no}"
3827 echo "libfdk-aac enabled        ${libfdk_aac-no}"
3828 echo "libgsm enabled            ${libgsm-no}"
3829 echo "libiec61883 support       ${libiec61883-no}"
3830 echo "libilbc enabled           ${libilbc-no}"
3831 echo "libmodplug enabled        ${libmodplug-no}"
3832 echo "libmp3lame enabled        ${libmp3lame-no}"
3833 echo "libnut enabled            ${libnut-no}"
3834 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3835 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3836 echo "libopencv support         ${libopencv-no}"
3837 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3838 echo "libopus enabled           ${libopus-no}"
3839 echo "libpulse enabled          ${libpulse-no}"
3840 echo "librtmp enabled           ${librtmp-no}"
3841 echo "libschroedinger enabled   ${libschroedinger-no}"
3842 echo "libspeex enabled          ${libspeex-no}"
3843 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
3844 echo "libtheora enabled         ${libtheora-no}"
3845 echo "libtwolame enabled        ${libtwolame-no}"
3846 echo "libutvideo enabled        ${libutvideo-no}"
3847 echo "libv4l2 enabled           ${libv4l2-no}"
3848 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3849 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3850 echo "libvorbis enabled         ${libvorbis-no}"
3851 echo "libvpx enabled            ${libvpx-no}"
3852 echo "libx264 enabled           ${libx264-no}"
3853 echo "libxavs enabled           ${libxavs-no}"
3854 echo "libxvid enabled           ${libxvid-no}"
3855 echo "openal enabled            ${openal-no}"
3856 echo "openssl enabled           ${openssl-no}"
3857 echo "zlib enabled              ${zlib-no}"
3858 echo "bzlib enabled             ${bzlib-no}"
3859 echo "texi2html enabled         ${texi2html-no}"
3860 echo "pod2man enabled           ${pod2man-no}"
3861 echo "makeinfo enabled          ${makeinfo-no}"
3862 test -n "$random_seed" &&
3863     echo "random seed               ${random_seed}"
3864 echo
3865
3866 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3867     echo "Enabled ${type}s:"
3868     eval list=\$$(toupper $type)_LIST
3869     print_enabled '_*' $list | sort | pr -r -3 -t
3870     echo
3871 done
3872
3873 license="LGPL version 2.1 or later"
3874 if enabled nonfree; then
3875     license="nonfree and unredistributable"
3876 elif enabled gplv3; then
3877     license="GPL version 3 or later"
3878 elif enabled lgplv3; then
3879     license="LGPL version 3 or later"
3880 elif enabled gpl; then
3881     license="GPL version 2 or later"
3882 fi
3883
3884 echo "License: $license"
3885
3886 echo "Creating config.mak and config.h..."
3887
3888 test -e Makefile || $ln_s "$source_path/Makefile" .
3889
3890 enabled stripping || strip="echo skipping strip"
3891
3892 config_files="$TMPH config.mak"
3893
3894 cat > config.mak <<EOF
3895 # Automatically generated by configure - do not modify!
3896 ifndef FFMPEG_CONFIG_MAK
3897 FFMPEG_CONFIG_MAK=1
3898 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3899 prefix=$prefix
3900 LIBDIR=\$(DESTDIR)$libdir
3901 SHLIBDIR=\$(DESTDIR)$shlibdir
3902 INCDIR=\$(DESTDIR)$incdir
3903 BINDIR=\$(DESTDIR)$bindir
3904 DATADIR=\$(DESTDIR)$datadir
3905 MANDIR=\$(DESTDIR)$mandir
3906 SRC_PATH=$source_path
3907 ifndef MAIN_MAKEFILE
3908 SRC_PATH:=\$(SRC_PATH:.%=..%)
3909 endif
3910 CC_IDENT=$cc_ident
3911 ARCH=$arch
3912 CC=$cc
3913 CXX=$cxx
3914 AS=$as
3915 LD=$ld
3916 DEPCC=$dep_cc
3917 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
3918 DEPAS=$as
3919 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
3920 YASM=$yasmexe
3921 DEPYASM=$yasmexe
3922 AR=$ar
3923 RANLIB=$ranlib
3924 CP=cp -p
3925 LN_S=$ln_s
3926 STRIP=$strip
3927 CPPFLAGS=$CPPFLAGS
3928 CFLAGS=$CFLAGS
3929 CXXFLAGS=$CXXFLAGS
3930 ASFLAGS=$ASFLAGS
3931 AS_C=$AS_C
3932 AS_O=$AS_O
3933 CC_C=$CC_C
3934 CC_O=$CC_O
3935 CXX_C=$CXX_C
3936 CXX_O=$CXX_O
3937 LD_O=$LD_O
3938 DLLTOOL=$dlltool
3939 LDFLAGS=$LDFLAGS
3940 LDFLAGS-ffserver=$FFSERVERLDFLAGS
3941 SHFLAGS=$SHFLAGS
3942 YASMFLAGS=$YASMFLAGS
3943 BUILDSUF=$build_suffix
3944 PROGSSUF=$progs_suffix
3945 FULLNAME=$FULLNAME
3946 LIBPREF=$LIBPREF
3947 LIBSUF=$LIBSUF
3948 LIBNAME=$LIBNAME
3949 SLIBPREF=$SLIBPREF
3950 SLIBSUF=$SLIBSUF
3951 EXESUF=$EXESUF
3952 EXTRA_VERSION=$extra_version
3953 CCDEP=$CCDEP
3954 CXXDEP=$CXXDEP
3955 CCDEP_FLAGS=$CCDEP_FLAGS
3956 ASDEP=$ASDEP
3957 ASDEP_FLAGS=$ASDEP_FLAGS
3958 CC_DEPFLAGS=$CC_DEPFLAGS
3959 AS_DEPFLAGS=$AS_DEPFLAGS
3960 HOSTCC=$host_cc
3961 HOSTCFLAGS=$host_cflags
3962 HOSTEXESUF=$HOSTEXESUF
3963 HOSTLDFLAGS=$host_ldflags
3964 HOSTLIBS=$host_libs
3965 DEPHOSTCC=$host_cc
3966 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
3967 HOSTCCDEP=$HOSTCCDEP
3968 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
3969 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
3970 HOSTCC_C=$HOSTCC_C
3971 HOSTCC_O=$HOSTCC_O
3972 TARGET_EXEC=$target_exec
3973 TARGET_PATH=$target_path
3974 LIBS-ffplay=$sdl_libs
3975 CFLAGS-ffplay=$sdl_cflags
3976 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3977 EXTRALIBS=$extralibs
3978 INSTALL=$install
3979 LIBTARGET=${LIBTARGET}
3980 SLIBNAME=${SLIBNAME}
3981 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3982 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3983 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3984 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3985 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3986 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3987 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3988 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3989 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3990 NOREDZONE_FLAGS=$noredzone_flags
3991 EOF
3992
3993 get_version(){
3994     lcname=$1
3995     name=$(toupper $lcname)
3996     file=$source_path/$lcname/version.h
3997     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3998     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3999     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4000     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4001 }
4002
4003 get_version_old(){
4004     name=$1
4005     file=$source_path/$2
4006 # This condition will be removed when we stop supporting old libpostproc versions
4007 if ! test "$name" = LIBPOSTPROC || test "$postproc_version" = current; then
4008     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
4009     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4010 fi
4011     lcname=$(tolower $name)
4012     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4013     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4014 }
4015
4016 get_version_old LIBPOSTPROC libpostproc/postprocess.h
4017 get_version_old LIBSWRESAMPLE libswresample/swresample.h
4018
4019 get_version libavcodec
4020 get_version libavdevice
4021 get_version libavfilter
4022 get_version libavformat
4023 get_version libavresample
4024 get_version libavutil
4025 get_version libswscale
4026
4027 cat > $TMPH <<EOF
4028 /* Automatically generated by configure - do not modify! */
4029 #ifndef FFMPEG_CONFIG_H
4030 #define FFMPEG_CONFIG_H
4031 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
4032 #define FFMPEG_LICENSE "$(c_escape $license)"
4033 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
4034 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
4035 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
4036 #define av_restrict $_restrict
4037 #define EXTERN_PREFIX "${extern_prefix}"
4038 #define EXTERN_ASM ${extern_prefix}
4039 #define SLIBSUF "$SLIBSUF"
4040 #define HAVE_MMX2 HAVE_MMXEXT
4041 EOF
4042
4043 test -n "$assert_level" &&
4044     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
4045
4046 test -n "$malloc_prefix" &&
4047     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
4048
4049 if enabled yasm; then
4050     append config_files $TMPASM
4051     printf '' >$TMPASM
4052 fi
4053
4054 print_config ARCH_   "$config_files" $ARCH_LIST
4055 print_config HAVE_   "$config_files" $HAVE_LIST
4056 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
4057                                      $CONFIG_EXTRA      \
4058                                      $ALL_COMPONENTS    \
4059
4060 cat >>config.mak <<EOF
4061 LAVF_FATE_TESTS=$(print_enabled -n _test $LAVF_FATE_TESTS)
4062 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
4063 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
4064 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
4065 EOF
4066
4067 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
4068 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
4069
4070 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
4071 cp_if_changed $TMPH config.h
4072 touch .config
4073
4074 enabled yasm && cp_if_changed $TMPASM config.asm
4075
4076 cat > $TMPH <<EOF
4077 /* Generated by ffconf */
4078 #ifndef AVUTIL_AVCONFIG_H
4079 #define AVUTIL_AVCONFIG_H
4080 EOF
4081
4082 test "$postproc_version" != current && cat >> $TMPH <<EOF
4083 #define LIBPOSTPROC_VERSION_MAJOR $LIBPOSTPROC_VERSION_MAJOR
4084 #define LIBPOSTPROC_VERSION_MINOR $LIBPOSTPROC_VERSION_MINOR
4085 #define LIBPOSTPROC_VERSION_MICRO $LIBPOSTPROC_VERSION_MICRO
4086 EOF
4087
4088 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
4089
4090 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
4091
4092 cp_if_changed $TMPH libavutil/avconfig.h
4093
4094 test -n "$WARNINGS" && printf "\n$WARNINGS"
4095
4096 # build pkg-config files
4097
4098 pkgconfig_generate(){
4099 name=$1
4100 shortname=${name#lib}${build_suffix}
4101 comment=$2
4102 version=$3
4103 libs=$4
4104 requires=$5
4105 enabled ${name#lib} || return 0
4106 mkdir -p $name
4107 cat <<EOF > $name/$name.pc
4108 prefix=$prefix
4109 exec_prefix=\${prefix}
4110 libdir=$libdir
4111 includedir=$incdir
4112
4113 Name: $name
4114 Description: $comment
4115 Version: $version
4116 Requires: $(enabled shared || echo $requires)
4117 Requires.private: $(enabled shared && echo $requires)
4118 Conflicts:
4119 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4120 Libs.private: $(enabled shared && echo $libs)
4121 Cflags: -I\${includedir}
4122 EOF
4123
4124 mkdir -p doc/examples/pc-uninstalled
4125 includedir=${source_path}
4126 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
4127 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
4128 prefix=
4129 exec_prefix=
4130 libdir=\${pcfiledir}/../../../$name
4131 includedir=${includedir}
4132
4133 Name: $name
4134 Description: $comment
4135 Version: $version
4136 Requires: $requires
4137 Conflicts:
4138 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4139 Cflags: -I\${includedir}
4140 EOF
4141 }
4142
4143 libavfilter_pc_deps=""
4144 enabled libavfilter_deps_avcodec    && prepend libavfilter_pc_deps "libavcodec = $LIBAVCODEC_VERSION,"
4145 enabled libavfilter_deps_avformat   && prepend libavfilter_pc_deps "libavformat = $LIBAVFORMAT_VERSION,"
4146 enabled libavfilter_deps_swscale    && prepend libavfilter_pc_deps "libswscale = $LIBSWSCALE_VERSION,"
4147 enabled libavfilter_deps_swresample && prepend libavfilter_pc_deps "libswresample = $LIBSWRESAMPLE_VERSION,"
4148 enabled libavfilter_deps_postproc   && prepend libavfilter_pc_deps "libpostproc = $LIBPOSTPROC_VERSION,"
4149 libavfilter_pc_deps=${libavfilter_pc_deps%, }
4150
4151 libavdevice_pc_deps="libavformat = $LIBAVFORMAT_VERSION"
4152 enabled lavfi_indev && prepend libavdevice_pc_deps "libavfilter = $LIBAVFILTER_VERSION,"
4153
4154 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
4155 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
4156 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
4157 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$libavdevice_pc_deps"
4158 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$libavfilter_pc_deps"
4159 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
4160 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
4161 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
4162 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"