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 Documentation options:
103   --disable-doc            do not build documentation
104   --disable-htmlpages      do not build HTML documentation pages
105   --disable-manpages       do not build man documentation pages
106   --disable-podpages       do not build POD documentation pages
107   --disable-txtpages       do not build text documentation pages
108
109 Component options:
110   --disable-ffmpeg         disable ffmpeg build
111   --disable-ffplay         disable ffplay build
112   --disable-ffprobe        disable ffprobe build
113   --disable-ffserver       disable ffserver build
114   --disable-avdevice       disable libavdevice build
115   --disable-avcodec        disable libavcodec build
116   --disable-avformat       disable libavformat build
117   --disable-swresample     disable libswresample build
118   --disable-swscale        disable libswscale build
119   --disable-postproc       disable libpostproc build
120   --disable-avfilter       disable libavfilter build
121   --enable-avresample      enable libavresample build [no]
122   --disable-pthreads       disable pthreads [auto]
123   --disable-w32threads     disable Win32 threads [auto]
124   --disable-os2threads     disable OS/2 threads [auto]
125   --enable-x11grab         enable X11 grabbing [no]
126   --disable-network        disable network support [no]
127   --disable-dct            disable DCT code
128   --disable-dwt            disable DWT code
129   --disable-lsp            disable LSP code
130   --disable-mdct           disable MDCT code
131   --disable-rdft           disable RDFT code
132   --disable-fft            disable FFT code
133   --enable-dxva2           enable DXVA2 code
134   --enable-vaapi           enable VAAPI code [autodetect]
135   --enable-vda             enable VDA code   [autodetect]
136   --enable-vdpau           enable VDPAU code [autodetect]
137
138 Individual component options:
139   --disable-everything     disable all components listed below
140   --disable-encoder=NAME   disable encoder NAME
141   --enable-encoder=NAME    enable encoder NAME
142   --disable-encoders       disable all encoders
143   --disable-decoder=NAME   disable decoder NAME
144   --enable-decoder=NAME    enable decoder NAME
145   --disable-decoders       disable all decoders
146   --disable-hwaccel=NAME   disable hwaccel NAME
147   --enable-hwaccel=NAME    enable hwaccel NAME
148   --disable-hwaccels       disable all hwaccels
149   --disable-muxer=NAME     disable muxer NAME
150   --enable-muxer=NAME      enable muxer NAME
151   --disable-muxers         disable all muxers
152   --disable-demuxer=NAME   disable demuxer NAME
153   --enable-demuxer=NAME    enable demuxer NAME
154   --disable-demuxers       disable all demuxers
155   --enable-parser=NAME     enable parser NAME
156   --disable-parser=NAME    disable parser NAME
157   --disable-parsers        disable all parsers
158   --enable-bsf=NAME        enable bitstream filter NAME
159   --disable-bsf=NAME       disable bitstream filter NAME
160   --disable-bsfs           disable all bitstream filters
161   --enable-protocol=NAME   enable protocol NAME
162   --disable-protocol=NAME  disable protocol NAME
163   --disable-protocols      disable all protocols
164   --enable-indev=NAME      enable input device NAME
165   --disable-indev=NAME     disable input device NAME
166   --disable-indevs         disable input devices
167   --enable-outdev=NAME     enable output device NAME
168   --disable-outdev=NAME    disable output device NAME
169   --disable-outdevs        disable output devices
170   --disable-devices        disable all devices
171   --enable-filter=NAME     enable filter NAME
172   --disable-filter=NAME    disable filter NAME
173   --disable-filters        disable all filters
174
175 External library support:
176   --enable-avisynth        enable reading of AVISynth script files [no]
177   --enable-bzlib           enable bzlib [autodetect]
178   --enable-fontconfig      enable fontconfig
179   --enable-frei0r          enable frei0r video filtering
180   --enable-gnutls          enable gnutls [no]
181   --enable-libaacplus      enable AAC+ encoding via libaacplus [no]
182   --enable-libass          enable libass subtitles rendering [no]
183   --enable-libbluray       enable BluRay reading using libbluray [no]
184   --enable-libcaca         enable textual display using libcaca
185   --enable-libcelt         enable CELT decoding via libcelt [no]
186   --enable-libcdio         enable audio CD grabbing with libcdio
187   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
188                            and libraw1394 [no]
189   --enable-libfaac         enable AAC encoding via libfaac [no]
190   --enable-libfdk-aac      enable AAC encoding via libfdk-aac [no]
191   --enable-libflite        enable flite (voice synthesis) support via libflite [no]
192   --enable-libfreetype     enable libfreetype [no]
193   --enable-libgsm          enable GSM de/encoding via libgsm [no]
194   --enable-libiec61883     enable iec61883 via libiec61883 [no]
195   --enable-libilbc         enable iLBC de/encoding via libilbc [no]
196   --enable-libmodplug      enable ModPlug via libmodplug [no]
197   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
198   --enable-libnut          enable NUT (de)muxing via libnut,
199                            native (de)muxer exists [no]
200   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
201   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
202   --enable-libopencv       enable video filtering via libopencv [no]
203   --enable-libopenjpeg     enable JPEG 2000 de/encoding via OpenJPEG [no]
204   --enable-libopus         enable Opus decoding via libopus [no]
205   --enable-libpulse        enable Pulseaudio input via libpulse [no]
206   --enable-librtmp         enable RTMP[E] support via librtmp [no]
207   --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
208   --enable-libspeex        enable Speex de/encoding via libspeex [no]
209   --enable-libstagefright-h264  enable H.264 decoding via libstagefright [no]
210   --enable-libtheora       enable Theora encoding via libtheora [no]
211   --enable-libtwolame      enable MP2 encoding via libtwolame [no]
212   --enable-libutvideo      enable Ut Video encoding and decoding via libutvideo [no]
213   --enable-libv4l2         enable libv4l2/v4l-utils [no]
214   --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
215   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
216   --enable-libvorbis       enable Vorbis en/decoding via libvorbis,
217                            native implementation exists [no]
218   --enable-libvpx          enable VP8 de/encoding via libvpx [no]
219   --enable-libx264         enable H.264 encoding via x264 [no]
220   --enable-libxavs         enable AVS encoding via xavs [no]
221   --enable-libxvid         enable Xvid encoding via xvidcore,
222                            native MPEG-4/Xvid encoder exists [no]
223   --enable-openal          enable OpenAL 1.1 capture support [no]
224   --enable-openssl         enable openssl [no]
225   --enable-zlib            enable zlib [autodetect]
226
227 Advanced options (experts only):
228   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
229   --enable-cross-compile   assume a cross-compiler is used
230   --sysroot=PATH           root of cross-build tree
231   --sysinclude=PATH        location of cross-build system headers
232   --target-os=OS           compiler targets OS [$target_os]
233   --target-exec=CMD        command to run executables on target
234   --target-path=DIR        path to view of build directory on target
235   --nm=NM                  use nm tool NM [$nm_default]
236   --ar=AR                  use archive tool AR [$ar_default]
237   --as=AS                  use assembler AS [$as_default]
238   --yasmexe=EXE            use yasm-compatible assembler EXE [$yasmexe_default]
239   --cc=CC                  use C compiler CC [$cc_default]
240   --cxx=CXX                use C compiler CXX [$cxx_default]
241   --dep-cc=DEPCC           use dependency generator DEPCC [$cc_default]
242   --ld=LD                  use linker LD [$ld_default]
243   --host-cc=HOSTCC         use host C compiler HOSTCC
244   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
245   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
246   --host-libs=HLIBS        use libs HLIBS when linking for host
247   --host-os=OS             compiler host OS [$target_os]
248   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
249   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
250   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
251   --extra-libs=ELIBS       add ELIBS [$ELIBS]
252   --extra-version=STRING   version string suffix []
253   --optflags=OPTFLAGS      override optimization-related compiler flags
254   --build-suffix=SUFFIX    library name suffix []
255   --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX
256   --progs-suffix=SUFFIX    program name suffix []
257   --arch=ARCH              select architecture [$arch]
258   --cpu=CPU                select the minimum required CPU (affects
259                            instruction selection, may crash on older CPUs)
260   --enable-pic             build position-independent code
261   --enable-sram            allow use of on-chip SRAM
262   --enable-thumb           compile for Thumb instruction set
263   --disable-symver         disable symbol versioning
264   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
265   --disable-safe-bitstream-reader
266                            disable buffer boundary checking in bitreaders
267                            (faster, but may crash)
268   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
269
270 Optimization options (experts only):
271   --disable-asm            disable all assembler optimizations
272   --disable-altivec        disable AltiVec optimizations
273   --disable-amd3dnow       disable 3DNow! optimizations
274   --disable-amd3dnowext    disable 3DNow! extended optimizations
275   --disable-mmx            disable MMX optimizations
276   --disable-mmxext         disable MMXEXT optimizations
277   --disable-sse            disable SSE optimizations
278   --disable-ssse3          disable SSSE3 optimizations
279   --disable-avx            disable AVX optimizations
280   --disable-fma4           disable FMA4 optimizations
281   --disable-armv5te        disable armv5te optimizations
282   --disable-armv6          disable armv6 optimizations
283   --disable-armv6t2        disable armv6t2 optimizations
284   --disable-armvfp         disable ARM VFP optimizations
285   --disable-mmi            disable MMI optimizations
286   --disable-neon           disable NEON optimizations
287   --disable-vis            disable VIS optimizations
288   --disable-yasm           disable use of yasm assembler
289   --disable-mips32r2       disable MIPS32R2 optimizations
290   --disable-mipsdspr1      disable MIPS DSP ASE R1 optimizations
291   --disable-mipsdspr2      disable MIPS DSP ASE R2 optimizations
292   --disable-mipsfpu        disable floating point MIPS optimizations
293   --disable-fast-unaligned consider unaligned accesses slow
294   --postproc-version=V     build libpostproc version V.
295                            Where V can be '$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO' or 'current'. [$postproc_version_default]
296
297 Developer options (useful when working on FFmpeg itself):
298   --enable-coverage        build with test coverage instrumentation
299   --disable-debug          disable debugging symbols
300   --enable-debug=LEVEL     set the debug level [$debuglevel]
301   --disable-optimizations  disable compiler optimizations
302   --enable-extra-warnings  enable more compiler warnings
303   --disable-stripping      disable stripping of executables and shared libraries
304   --assert-level=level     0(default), 1 or 2, amount of assertion testing,
305                            2 causes a slowdown at runtime.
306   --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
307   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory
308                            leaks and errors, using the specified valgrind binary.
309                            Cannot be combined with --target-exec
310   --samples=PATH           location of test samples for FATE, if not set use
311                            \$FATE_SAMPLES at make invocation time.
312   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
313                            should be used only for debugging purposes)
314   --enable-random          randomly enable/disable components
315   --disable-random
316   --enable-random=LIST     randomly enable/disable specific components or
317   --disable-random=LIST    component groups. LIST is a comma-separated list
318                            of NAME[:PROB] entries where NAME is a component
319                            (group) and PROB the probability associated with
320                            NAME (default 0.5).
321   --random-seed=VALUE      seed value for --enable/disable-random
322
323 NOTE: Object files are built at the place where configure is launched.
324 EOF
325   exit 0
326 }
327
328 quotes='""'
329
330 log(){
331     echo "$@" >> $logfile
332 }
333
334 log_file(){
335     log BEGIN $1
336     pr -n -t $1 >> $logfile
337     log END $1
338 }
339
340 echolog(){
341     log "$@"
342     echo "$@"
343 }
344
345 warn(){
346     log "WARNING: $*"
347     WARNINGS="${WARNINGS}WARNING: $*\n"
348 }
349
350 die(){
351     echolog "$@"
352     cat <<EOF
353
354 If you think configure made a mistake, make sure you are using the latest
355 version from Git.  If the latest version fails, report the problem to the
356 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
357 EOF
358     if disabled logging; then
359         cat <<EOF
360 Rerun configure with logging enabled (do not use --disable-logging), and
361 include the log this produces with your report.
362 EOF
363     else
364 cat <<EOF
365 Include the log file "$logfile" produced by configure as this will help
366 solving the problem.
367 EOF
368     fi
369     exit 1
370 }
371
372 # Avoid locale weirdness, besides we really just want to translate ASCII.
373 toupper(){
374     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
375 }
376
377 tolower(){
378     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
379 }
380
381 c_escape(){
382     echo "$*" | sed 's/["\\]/\\\0/g'
383 }
384
385 sh_quote(){
386     v=$(echo "$1" | sed "s/'/'\\\\''/g")
387     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
388     echo "$v"
389 }
390
391 cleanws(){
392     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
393 }
394
395 filter(){
396     pat=$1
397     shift
398     for v; do
399         eval "case $v in $pat) echo $v ;; esac"
400     done
401 }
402
403 filter_out(){
404     pat=$1
405     shift
406     for v; do
407         eval "case $v in $pat) ;; *) echo $v ;; esac"
408     done
409 }
410
411 map(){
412     m=$1
413     shift
414     for v; do eval $m; done
415 }
416
417 set_all(){
418     value=$1
419     shift
420     for var in $*; do
421         eval $var=$value
422     done
423 }
424
425 set_weak(){
426     value=$1
427     shift
428     for var; do
429         eval : \${$var:=$value}
430     done
431 }
432
433 set_safe(){
434     var=$1
435     shift
436     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
437 }
438
439 get_safe(){
440     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
441 }
442
443 pushvar(){
444     for var in $*; do
445         eval level=\${${var}_level:=0}
446         eval ${var}_${level}="\$$var"
447         eval ${var}_level=$(($level+1))
448     done
449 }
450
451 popvar(){
452     for var in $*; do
453         eval level=\${${var}_level:-0}
454         test $level = 0 && continue
455         eval level=$(($level-1))
456         eval $var="\${${var}_${level}}"
457         eval ${var}_level=$level
458         eval unset ${var}_${level}
459     done
460 }
461
462 enable(){
463     set_all yes $*
464 }
465
466 disable(){
467     set_all no $*
468 }
469
470 enable_weak(){
471     set_weak yes $*
472 }
473
474 disable_weak(){
475     set_weak no $*
476 }
477
478 enable_safe(){
479     for var; do
480         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
481     done
482 }
483
484 disable_safe(){
485     for var; do
486         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
487     done
488 }
489
490 do_enable_deep(){
491     for var; do
492         enabled $var && continue
493         eval sel="\$${var}_select"
494         eval sgs="\$${var}_suggest"
495         pushvar var sgs
496         enable_deep $sel
497         popvar sgs
498         enable_deep_weak $sgs
499         popvar var
500     done
501 }
502
503 enable_deep(){
504     do_enable_deep $*
505     enable $*
506 }
507
508 enable_deep_weak(){
509     do_enable_deep $*
510     enable_weak $*
511 }
512
513 enabled(){
514     test "${1#!}" = "$1" && op== || op=!=
515     eval test "x\$${1#!}" $op "xyes"
516 }
517
518 disabled(){
519     test "${1#!}" = "$1" && op== || op=!=
520     eval test "x\$${1#!}" $op "xno"
521 }
522
523 enabled_all(){
524     for opt; do
525         enabled $opt || return 1
526     done
527 }
528
529 disabled_all(){
530     for opt; do
531         disabled $opt || return 1
532     done
533 }
534
535 enabled_any(){
536     for opt; do
537         enabled $opt && return 0
538     done
539 }
540
541 disabled_any(){
542     for opt; do
543         disabled $opt && return 0
544     done
545     return 1
546 }
547
548 set_default(){
549     for opt; do
550         eval : \${$opt:=\$${opt}_default}
551     done
552 }
553
554 is_in(){
555     value=$1
556     shift
557     for var in $*; do
558         [ $var = $value ] && return 0
559     done
560     return 1
561 }
562
563 check_deps(){
564     for cfg; do
565         cfg="${cfg#!}"
566         enabled ${cfg}_checking && die "Circular dependency for $cfg."
567         disabled ${cfg}_checking && continue
568         enable ${cfg}_checking
569
570         eval dep_all="\$${cfg}_deps"
571         eval dep_any="\$${cfg}_deps_any"
572         eval dep_sel="\$${cfg}_select"
573         eval dep_sgs="\$${cfg}_suggest"
574         eval dep_ifa="\$${cfg}_if"
575         eval dep_ifn="\$${cfg}_if_any"
576
577         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
578         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
579         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
580
581         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
582         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
583         enabled_all  $dep_all || disable $cfg
584         enabled_any  $dep_any || disable $cfg
585         disabled_any $dep_sel && disable $cfg
586
587         if enabled $cfg; then
588             eval dep_extralibs="\$${cfg}_extralibs"
589             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
590             enable_deep $dep_sel
591             enable_deep_weak $dep_sgs
592         fi
593
594         disable ${cfg}_checking
595     done
596 }
597
598 print_config_h(){
599     enabled $1 && v=1 || v=0
600     echo "#define $2 $v"
601 }
602
603 print_config_mak(){
604     enabled $1 && v= || v=!
605     echo "$v$2=yes"
606 }
607
608 print_config_asm(){
609     enabled $1 && v=1 || v=0
610     echo "%define $2 $v"
611 }
612
613 print_config(){
614     pfx=$1
615     files=$2
616     shift 2
617     for cfg; do
618         ucname="$(toupper $cfg)"
619         for f in $files; do
620             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
621         done
622     done
623 }
624
625 print_enabled(){
626     test "$1" = -n && end=" " && shift || end="\n"
627     suf=$1
628     shift
629     for v; do
630         enabled $v && printf "%s$end" ${v%$suf};
631     done
632 }
633
634 append(){
635     var=$1
636     shift
637     eval "$var=\"\$$var $*\""
638 }
639
640 prepend(){
641     var=$1
642     shift
643     eval "$var=\"$* \$$var\""
644 }
645
646 add_cppflags(){
647     append CPPFLAGS "$@"
648 }
649
650 add_cflags(){
651     append CFLAGS $($cflags_filter "$@")
652 }
653
654 add_cxxflags(){
655     append CXXFLAGS $($cflags_filter "$@")
656 }
657
658 add_asflags(){
659     append ASFLAGS $($asflags_filter "$@")
660 }
661
662 add_ldflags(){
663     append LDFLAGS $($ldflags_filter "$@")
664 }
665
666 add_extralibs(){
667     prepend extralibs $($ldflags_filter "$@")
668 }
669
670 add_host_cflags(){
671     append host_cflags $($host_cflags_filter "$@")
672 }
673
674 add_host_ldflags(){
675     append host_ldflags $($host_ldflags_filter "$@")
676 }
677
678 check_cmd(){
679     log "$@"
680     "$@" >> $logfile 2>&1
681 }
682
683 cc_o(){
684     eval printf '%s\\n' $CC_O
685 }
686
687 cc_e(){
688     eval printf '%s\\n' $CC_E
689 }
690
691 check_cc(){
692     log check_cc "$@"
693     cat > $TMPC
694     log_file $TMPC
695     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
696 }
697
698 check_cxx(){
699     log check_cxx "$@"
700     cat > $TMPCPP
701     log_file $TMPCPP
702     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
703 }
704
705 check_cpp(){
706     log check_cpp "$@"
707     cat > $TMPC
708     log_file $TMPC
709     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
710 }
711
712 check_as(){
713     log check_as "$@"
714     cat > $TMPC
715     log_file $TMPC
716     check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C -o $TMPO $TMPC
717 }
718
719 check_inline_asm(){
720     log check_inline_asm "$@"
721     name="$1"
722     code="$2"
723     shift 2
724     disable $name
725     check_as "$@" <<EOF && enable $name
726 void foo(void){ __asm__ volatile($code); }
727 EOF
728 }
729
730 check_yasm(){
731     log check_yasm "$@"
732     echo "$1" > $TMPS
733     log_file $TMPS
734     shift 1
735     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
736 }
737
738 check_ld(){
739     log check_ld "$@"
740     type=$1
741     shift 1
742     flags=''
743     libs=''
744     for f; do
745         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
746     done
747     check_$type $($cflags_filter $flags) || return
748     flags=$($ldflags_filter $flags)
749     libs=$($ldflags_filter $libs)
750     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
751 }
752
753 check_code(){
754     log check_code "$@"
755     check=$1
756     headers=$2
757     code=$3
758     shift 3
759     {
760         for hdr in $headers; do
761             echo "#include <$hdr>"
762         done
763         echo "int main(void) { $code; return 0; }"
764     } | check_$check "$@"
765 }
766
767 check_cppflags(){
768     log check_cppflags "$@"
769     check_cc "$@" <<EOF && append CPPFLAGS "$@"
770 int x;
771 EOF
772 }
773
774 check_cflags(){
775     log check_cflags "$@"
776     set -- $($cflags_filter "$@")
777     check_cc "$@" <<EOF && append CFLAGS "$@"
778 int x;
779 EOF
780 }
781
782 check_cxxflags(){
783     log check_cxxflags "$@"
784     set -- $($cflags_filter "$@")
785     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
786 int x;
787 EOF
788 }
789
790 test_ldflags(){
791     log test_ldflags "$@"
792     check_ld "cc" "$@" <<EOF
793 int main(void){ return 0; }
794 EOF
795 }
796
797 check_ldflags(){
798     log check_ldflags "$@"
799     test_ldflags "$@" && add_ldflags "$@"
800 }
801
802 check_header(){
803     log check_header "$@"
804     header=$1
805     shift
806     disable_safe $header
807     check_cpp "$@" <<EOF && enable_safe $header
808 #include <$header>
809 int x;
810 EOF
811 }
812
813 check_func(){
814     log check_func "$@"
815     func=$1
816     shift
817     disable $func
818     check_ld "cc" "$@" <<EOF && enable $func
819 extern int $func();
820 int main(void){ $func(); }
821 EOF
822 }
823
824 check_mathfunc(){
825     log check_mathfunc "$@"
826     func=$1
827     shift
828     disable $func
829     check_ld "cc" "$@" <<EOF && enable $func
830 #include <math.h>
831 float foo(float f) { return $func(f); }
832 int main(void){ return (int) foo; }
833 EOF
834 }
835
836 check_func_headers(){
837     log check_func_headers "$@"
838     headers=$1
839     funcs=$2
840     shift 2
841     {
842         for hdr in $headers; do
843             echo "#include <$hdr>"
844         done
845         for func in $funcs; do
846             echo "long check_$func(void) { return (long) $func; }"
847         done
848         echo "int main(void) { return 0; }"
849     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
850 }
851
852 check_class_headers_cpp(){
853     log check_class_headers_cpp "$@"
854     headers=$1
855     classes=$2
856     shift 2
857     {
858         for hdr in $headers; do
859             echo "#include <$hdr>"
860         done
861         echo "int main(void) { "
862         i=1
863         for class in $classes; do
864             echo "$class obj$i;"
865             i=$(expr $i + 1)
866         done
867         echo "return 0; }"
868     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
869 }
870
871 check_cpp_condition(){
872     log check_cpp_condition "$@"
873     header=$1
874     condition=$2
875     shift 2
876     check_cpp "$@" <<EOF
877 #include <$header>
878 #if !($condition)
879 #error "unsatisfied condition: $condition"
880 #endif
881 EOF
882 }
883
884 check_lib(){
885     log check_lib "$@"
886     header="$1"
887     func="$2"
888     shift 2
889     check_header $header && check_func $func "$@" && add_extralibs "$@"
890 }
891
892 check_lib2(){
893     log check_lib2 "$@"
894     headers="$1"
895     funcs="$2"
896     shift 2
897     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
898 }
899
900 check_lib_cpp(){
901     log check_lib_cpp "$@"
902     headers="$1"
903     classes="$2"
904     shift 2
905     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
906 }
907
908 check_pkg_config(){
909     log check_pkg_config "$@"
910     pkg="$1"
911     headers="$2"
912     funcs="$3"
913     shift 3
914     $pkg_config --exists $pkg 2>/dev/null || return
915     pkg_cflags=$($pkg_config --cflags $pkg)
916     pkg_libs=$($pkg_config --libs $pkg)
917     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
918         set_safe ${pkg}_cflags $pkg_cflags   &&
919         set_safe ${pkg}_libs   $pkg_libs
920 }
921
922 check_exec(){
923     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
924 }
925
926 check_exec_crash(){
927     code=$(cat)
928
929     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
930     # are safe but may not be available everywhere.  Thus we use
931     # raise(SIGTERM) instead.  The check is run in a subshell so we
932     # can redirect the "Terminated" message from the shell.  SIGBUS
933     # is not defined by standard C so it is used conditionally.
934
935     (check_exec "$@") >> $logfile 2>&1 <<EOF
936 #include <signal.h>
937 static void sighandler(int sig){
938     raise(SIGTERM);
939 }
940 int func(void){
941     $code
942 }
943 int (*func_ptr)(void) = func;
944 int main(void){
945     signal(SIGILL, sighandler);
946     signal(SIGFPE, sighandler);
947     signal(SIGSEGV, sighandler);
948 #ifdef SIGBUS
949     signal(SIGBUS, sighandler);
950 #endif
951     return func_ptr();
952 }
953 EOF
954 }
955
956 check_type(){
957     log check_type "$@"
958     headers=$1
959     type=$2
960     shift 2
961     disable_safe "$type"
962     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
963 }
964
965 check_struct(){
966     log check_type "$@"
967     headers=$1
968     struct=$2
969     member=$3
970     shift 3
971     disable_safe "${struct}_${member}"
972     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
973         enable_safe "${struct}_${member}"
974 }
975
976 require(){
977     name="$1"
978     header="$2"
979     func="$3"
980     shift 3
981     check_lib $header $func "$@" || die "ERROR: $name not found"
982 }
983
984 require2(){
985     name="$1"
986     headers="$2"
987     func="$3"
988     shift 3
989     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
990 }
991
992 require_cpp(){
993     name="$1"
994     headers="$2"
995     classes="$3"
996     shift 3
997     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
998 }
999
1000 require_pkg_config(){
1001     pkg="$1"
1002     check_pkg_config "$@" || die "ERROR: $pkg not found"
1003     add_cflags    $(get_safe ${pkg}_cflags)
1004     add_extralibs $(get_safe ${pkg}_libs)
1005 }
1006
1007 check_host_cc(){
1008     log check_host_cc "$@"
1009     cat > $TMPC
1010     log_file $TMPC
1011     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
1012 }
1013
1014 check_host_cflags(){
1015     log check_host_cflags "$@"
1016     set -- $($host_cflags_filter "$@")
1017     check_host_cc "$@" <<EOF && append host_cflags "$@"
1018 int x;
1019 EOF
1020 }
1021
1022 apply(){
1023     file=$1
1024     shift
1025     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1026 }
1027
1028 cp_if_changed(){
1029     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1030     mkdir -p "$(dirname $2)"
1031     cp -f "$1" "$2"
1032 }
1033
1034 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1035 # system-dependent things.
1036
1037 COMPONENT_LIST="
1038     bsfs
1039     decoders
1040     demuxers
1041     encoders
1042     filters
1043     hwaccels
1044     indevs
1045     muxers
1046     outdevs
1047     parsers
1048     protocols
1049 "
1050
1051 DOCUMENT_LIST="
1052     doc
1053     htmlpages
1054     manpages
1055     podpages
1056     txtpages
1057 "
1058
1059 PROGRAM_LIST="
1060     ffplay
1061     ffprobe
1062     ffserver
1063     ffmpeg
1064 "
1065
1066 CONFIG_LIST="
1067     $COMPONENT_LIST
1068     $DOCUMENT_LIST
1069     $PROGRAM_LIST
1070     avcodec
1071     avdevice
1072     avfilter
1073     avformat
1074     avresample
1075     avisynth
1076     bzlib
1077     crystalhd
1078     dct
1079     dwt
1080     dxva2
1081     fast_unaligned
1082     fft
1083     fontconfig
1084     frei0r
1085     gnutls
1086     gpl
1087     gray
1088     hardcoded_tables
1089     libaacplus
1090     libass
1091     libbluray
1092     libcaca
1093     libcdio
1094     libcelt
1095     libdc1394
1096     libfaac
1097     libfdk_aac
1098     libflite
1099     libfreetype
1100     libgsm
1101     libiec61883
1102     libilbc
1103     libmodplug
1104     libmp3lame
1105     libnut
1106     libopencore_amrnb
1107     libopencore_amrwb
1108     libopencv
1109     libopenjpeg
1110     libopus
1111     libpulse
1112     librtmp
1113     libschroedinger
1114     libspeex
1115     libstagefright_h264
1116     libtheora
1117     libtwolame
1118     libutvideo
1119     libv4l2
1120     libvo_aacenc
1121     libvo_amrwbenc
1122     libvorbis
1123     libvpx
1124     libx264
1125     libxavs
1126     libxvid
1127     lsp
1128     mdct
1129     memalign_hack
1130     memory_poisoning
1131     network
1132     nonfree
1133     openal
1134     openssl
1135     pic
1136     postproc
1137     rdft
1138     runtime_cpudetect
1139     safe_bitstream_reader
1140     shared
1141     small
1142     sram
1143     static
1144     swresample
1145     swscale
1146     swscale_alpha
1147     thumb
1148     vaapi
1149     vda
1150     vdpau
1151     version3
1152     xmm_clobber_test
1153     x11grab
1154     zlib
1155 "
1156
1157 THREADS_LIST='
1158     pthreads
1159     w32threads
1160     os2threads
1161 '
1162
1163 ARCH_LIST='
1164     alpha
1165     arm
1166     avr32
1167     avr32_ap
1168     avr32_uc
1169     bfin
1170     ia64
1171     m68k
1172     mips
1173     mips64
1174     parisc
1175     ppc
1176     ppc64
1177     s390
1178     sh4
1179     sparc
1180     sparc64
1181     tomi
1182     x86
1183     x86_32
1184     x86_64
1185 '
1186
1187 ARCH_EXT_LIST='
1188     altivec
1189     amd3dnow
1190     amd3dnowext
1191     armv5te
1192     armv6
1193     armv6t2
1194     armvfp
1195     avx
1196     fma4
1197     mmi
1198     mmx
1199     mmxext
1200     neon
1201     ppc4xx
1202     sse
1203     ssse3
1204     vfpv3
1205     vis
1206     mipsfpu
1207     mips32r2
1208     mipsdspr1
1209     mipsdspr2
1210 '
1211
1212 HAVE_LIST_PUB='
1213     bigendian
1214     fast_unaligned
1215 '
1216
1217 HAVE_LIST="
1218     $ARCH_EXT_LIST
1219     $HAVE_LIST_PUB
1220     $THREADS_LIST
1221     aligned_malloc
1222     aligned_stack
1223     alsa_asoundlib_h
1224     altivec_h
1225     arpa_inet_h
1226     asm_mod_q
1227     asm_mod_y
1228     asm_types_h
1229     attribute_may_alias
1230     attribute_packed
1231     cbrtf
1232     clock_gettime
1233     closesocket
1234     cmov
1235     cpuid
1236     cpunop
1237     dcbzl
1238     dev_bktr_ioctl_bt848_h
1239     dev_bktr_ioctl_meteor_h
1240     dev_ic_bt8xx_h
1241     dev_video_bktr_ioctl_bt848_h
1242     dev_video_meteor_ioctl_meteor_h
1243     dlfcn_h
1244     dlopen
1245     dos_paths
1246     dxva_h
1247     ebp_available
1248     ebx_available
1249     exp2
1250     exp2f
1251     fast_64bit
1252     fast_clz
1253     fast_cmov
1254     fcntl
1255     fork
1256     getaddrinfo
1257     gethrtime
1258     getopt
1259     GetProcessAffinityMask
1260     GetProcessMemoryInfo
1261     GetProcessTimes
1262     GetSystemTimeAsFileTime
1263     getrusage
1264     gettimeofday
1265     glob
1266     gnu_as
1267     ibm_asm
1268     inet_aton
1269     inline_asm
1270     isatty
1271     isinf
1272     isnan
1273     jack_port_get_latency_range
1274     kbhit
1275     ldbrx
1276     libdc1394_1
1277     libdc1394_2
1278     llrint
1279     llrintf
1280     local_aligned_16
1281     local_aligned_8
1282     localtime_r
1283     log2
1284     log2f
1285     loongson
1286     lrint
1287     lrintf
1288     lzo1x_999_compress
1289     machine_ioctl_bt848_h
1290     machine_ioctl_meteor_h
1291     makeinfo
1292     malloc_h
1293     MapViewOfFile
1294     memalign
1295     mkstemp
1296     mm_empty
1297     mmap
1298     nanosleep
1299     PeekNamedPipe
1300     perl
1301     pod2man
1302     poll_h
1303     posix_memalign
1304     pthread_cancel
1305     rdtsc
1306     rint
1307     round
1308     roundf
1309     rweflags
1310     sched_getaffinity
1311     sdl
1312     sdl_video_size
1313     setmode
1314     setrlimit
1315     Sleep
1316     sndio_h
1317     socklen_t
1318     soundcard_h
1319     strerror_r
1320     strptime
1321     struct_addrinfo
1322     struct_group_source_req
1323     struct_ip_mreq_source
1324     struct_ipv6_mreq
1325     struct_pollfd
1326     struct_rusage_ru_maxrss
1327     struct_sctp_event_subscribe
1328     struct_sockaddr_in6
1329     struct_sockaddr_sa_len
1330     struct_sockaddr_storage
1331     struct_v4l2_frmivalenum_discrete
1332     symver
1333     symver_asm_label
1334     symver_gnu_asm
1335     sysconf
1336     sysctl
1337     sys_mman_h
1338     sys_param_h
1339     sys_resource_h
1340     sys_select_h
1341     sys_soundcard_h
1342     sys_time_h
1343     sys_videoio_h
1344     termios_h
1345     texi2html
1346     threads
1347     trunc
1348     truncf
1349     unistd_h
1350     usleep
1351     vfp_args
1352     VirtualAlloc
1353     windows_h
1354     winsock2_h
1355     xform_asm
1356     xgetbv
1357     xmm_clobbers
1358     yasm
1359 "
1360
1361 # options emitted with CONFIG_ prefix but not available on command line
1362 CONFIG_EXTRA="
1363     aandcttables
1364     ac3dsp
1365     avutil
1366     error_resilience
1367     gcrypt
1368     golomb
1369     gplv3
1370     h264chroma
1371     h264dsp
1372     h264pred
1373     h264qpel
1374     huffman
1375     lgplv3
1376     lpc
1377     mpegaudiodsp
1378     mpegvideo
1379     mpegvideoenc
1380     nettle
1381     rangecoder
1382     rtpdec
1383     sinewin
1384     vp3dsp
1385 "
1386
1387 CMDLINE_SELECT="
1388     $ARCH_EXT_LIST
1389     $CONFIG_LIST
1390     $THREADS_LIST
1391     asm
1392     coverage
1393     cross_compile
1394     debug
1395     extra_warnings
1396     logging
1397     optimizations
1398     stripping
1399     symver
1400     yasm
1401 "
1402
1403 PATHS_LIST='
1404     bindir
1405     datadir
1406     incdir
1407     libdir
1408     mandir
1409     prefix
1410     shlibdir
1411 '
1412
1413 CMDLINE_SET="
1414     $PATHS_LIST
1415     ar
1416     arch
1417     as
1418     assert_level
1419     build_suffix
1420     cc
1421     cpu
1422     cross_prefix
1423     cxx
1424     dep_cc
1425     extra_version
1426     host_cc
1427     host_cflags
1428     host_ldflags
1429     host_libs
1430     host_os
1431     install
1432     ld
1433     logfile
1434     malloc_prefix
1435     nm
1436     optflags
1437     pkg_config
1438     postproc_version
1439     progs_suffix
1440     random_seed
1441     samples
1442     strip
1443     sysinclude
1444     sysroot
1445     target_exec
1446     target_os
1447     target_path
1448     valgrind
1449     yasmexe
1450 "
1451
1452 CMDLINE_APPEND="
1453     extra_cflags
1454     extra_cxxflags
1455 "
1456
1457 # code dependency declarations
1458
1459 # architecture extensions
1460
1461 armv5te_deps="arm"
1462 armv6_deps="arm"
1463 armv6t2_deps="arm"
1464 armvfp_deps="arm"
1465 neon_deps="arm"
1466 vfpv3_deps="armvfp"
1467
1468 mipsfpu_deps="mips"
1469 mips32r2_deps="mips"
1470 mipsdspr1_deps="mips"
1471 mipsdspr2_deps="mips"
1472 mmi_deps="mips"
1473
1474 altivec_deps="ppc"
1475 ppc4xx_deps="ppc"
1476
1477 vis_deps="sparc"
1478
1479 x86_64_suggest="cmov fast_cmov"
1480 amd3dnow_deps="mmx"
1481 amd3dnowext_deps="amd3dnow"
1482 mmx_deps="x86"
1483 mmxext_deps="mmx"
1484 sse_deps="mmx"
1485 ssse3_deps="sse"
1486 avx_deps="ssse3"
1487 fma4_deps="avx"
1488
1489 aligned_stack_if_any="ppc x86"
1490 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1491 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1492 fast_unaligned_if_any="armv6 ppc x86"
1493
1494 inline_asm_deps="!tms470"
1495 need_memalign="altivec neon sse"
1496
1497 symver_if_any="symver_asm_label symver_gnu_asm"
1498
1499 # subsystems
1500 dct_select="rdft"
1501 mdct_select="fft"
1502 rdft_select="fft"
1503 mpegaudiodsp_select="dct"
1504 mpegvideoenc_select="mpegvideo"
1505
1506 # decoders / encoders / hardware accelerators
1507 aac_decoder_select="mdct sinewin"
1508 aac_encoder_select="mdct sinewin"
1509 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1510 ac3_decoder_select="mdct ac3dsp ac3_parser"
1511 ac3_encoder_select="mdct ac3dsp"
1512 ac3_fixed_encoder_select="mdct ac3dsp"
1513 alac_encoder_select="lpc"
1514 amrnb_decoder_select="lsp"
1515 amrwb_decoder_select="lsp"
1516 amv_encoder_select="aandcttables"
1517 atrac1_decoder_select="mdct sinewin"
1518 atrac3_decoder_select="mdct"
1519 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1520 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1521 cavs_decoder_select="golomb mpegvideo"
1522 cook_decoder_select="mdct sinewin"
1523 cscd_decoder_suggest="zlib"
1524 dca_decoder_select="mdct"
1525 dirac_decoder_select="dwt golomb"
1526 dnxhd_encoder_select="aandcttables mpegvideoenc"
1527 dxa_decoder_select="zlib"
1528 eac3_decoder_select="ac3_decoder"
1529 eac3_encoder_select="ac3_encoder"
1530 eamad_decoder_select="aandcttables error_resilience"
1531 eatgq_decoder_select="aandcttables"
1532 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1533 exr_decoder_select="zlib"
1534 ffv1_decoder_select="golomb rangecoder"
1535 ffv1_encoder_select="rangecoder"
1536 flac_decoder_select="golomb"
1537 flac_encoder_select="golomb lpc"
1538 flashsv_decoder_select="zlib"
1539 flashsv_encoder_select="zlib"
1540 flashsv2_encoder_select="zlib"
1541 flashsv2_decoder_select="zlib"
1542 flv_decoder_select="h263_decoder"
1543 flv_encoder_select="h263_encoder"
1544 fraps_decoder_select="huffman"
1545 h261_decoder_select="error_resilience mpegvideo"
1546 h261_encoder_select="aandcttables mpegvideoenc"
1547 h263_decoder_select="error_resilience h263_parser mpegvideo"
1548 h263_encoder_select="aandcttables error_resilience mpegvideoenc"
1549 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1550 h263i_decoder_select="h263_decoder"
1551 h263p_encoder_select="h263_encoder"
1552 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1553 h264_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
1554 h264_dxva2_hwaccel_deps="dxva2api_h"
1555 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1556 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1557 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1558 h264_vda_hwaccel_select="vda h264_decoder"
1559 h264_vdpau_decoder_select="vdpau h264_decoder"
1560 iac_decoder_select="fft mdct sinewin"
1561 imc_decoder_select="fft mdct sinewin"
1562 jpegls_decoder_select="golomb"
1563 jpegls_encoder_select="golomb"
1564 ljpeg_encoder_select="aandcttables mpegvideoenc"
1565 loco_decoder_select="golomb"
1566 mdec_decoder_select="error_resilience mpegvideo"
1567 mjpeg_encoder_select="aandcttables mpegvideoenc"
1568 mlp_decoder_select="mlp_parser"
1569 mp1_decoder_select="mpegaudiodsp"
1570 mp1float_decoder_select="mpegaudiodsp"
1571 mp2_decoder_select="mpegaudiodsp"
1572 mp2float_decoder_select="mpegaudiodsp"
1573 mp3_decoder_select="mpegaudiodsp"
1574 mp3adu_decoder_select="mpegaudiodsp"
1575 mp3adufloat_decoder_select="mpegaudiodsp"
1576 mp3float_decoder_select="mpegaudiodsp"
1577 mp3on4_decoder_select="mpegaudiodsp"
1578 mp3on4float_decoder_select="mpegaudiodsp"
1579 mpc7_decoder_select="mpegaudiodsp"
1580 mpc8_decoder_select="mpegaudiodsp"
1581 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1582 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1583 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1584 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1585 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1586 mpeg1video_decoder_select="error_resilience mpegvideo"
1587 mpeg1video_encoder_select="aandcttables error_resilience mpegvideoenc"
1588 mpeg2_crystalhd_decoder_select="crystalhd"
1589 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1590 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1591 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1592 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1593 mpeg2video_decoder_select="error_resilience mpegvideo"
1594 mpeg2video_encoder_select="aandcttables error_resilience mpegvideoenc"
1595 mpeg4_crystalhd_decoder_select="crystalhd"
1596 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1597 mpeg4_encoder_select="h263_encoder"
1598 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1599 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1600 msmpeg4_crystalhd_decoder_select="crystalhd"
1601 msmpeg4v1_decoder_select="h263_decoder"
1602 msmpeg4v1_encoder_select="h263_encoder"
1603 msmpeg4v2_decoder_select="h263_decoder"
1604 msmpeg4v2_encoder_select="h263_encoder"
1605 msmpeg4v3_decoder_select="h263_decoder"
1606 msmpeg4v3_encoder_select="h263_encoder"
1607 nellymoser_decoder_select="mdct sinewin"
1608 nellymoser_encoder_select="mdct sinewin"
1609 png_decoder_select="zlib"
1610 png_encoder_select="zlib"
1611 qcelp_decoder_select="lsp"
1612 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1613 ra_144_encoder_select="lpc"
1614 ralf_decoder_select="golomb"
1615 rv10_decoder_select="h263_decoder"
1616 rv10_encoder_select="h263_encoder"
1617 rv20_decoder_select="h263_decoder"
1618 rv20_encoder_select="h263_encoder"
1619 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1620 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1621 shorten_decoder_select="golomb"
1622 sipr_decoder_select="lsp"
1623 snow_decoder_select="dwt rangecoder"
1624 snow_encoder_select="aandcttables dwt error_resilience mpegvideoenc rangecoder"
1625 sonic_decoder_select="golomb"
1626 sonic_encoder_select="golomb"
1627 sonic_ls_encoder_select="golomb"
1628 svq1_decoder_select="error_resilience mpegvideo"
1629 svq1_encoder_select="aandcttables error_resilience mpegvideoenc"
1630 svq3_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
1631 svq3_decoder_suggest="zlib"
1632 theora_decoder_select="vp3_decoder"
1633 tiff_decoder_suggest="zlib"
1634 tiff_encoder_suggest="zlib"
1635 tscc_decoder_select="zlib"
1636 twinvq_decoder_select="mdct lsp sinewin"
1637 vc1_crystalhd_decoder_select="crystalhd"
1638 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1639 vc1_dxva2_hwaccel_deps="dxva2api_h"
1640 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1641 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1642 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1643 vc1image_decoder_select="vc1_decoder"
1644 vorbis_decoder_select="mdct"
1645 vorbis_encoder_select="mdct"
1646 vp3_decoder_select="vp3dsp"
1647 vp5_decoder_select="vp3dsp"
1648 vp6_decoder_select="huffman vp3dsp"
1649 vp6a_decoder_select="vp6_decoder"
1650 vp6f_decoder_select="vp6_decoder"
1651 vp8_decoder_select="h264pred h264qpel"
1652 wmapro_decoder_select="mdct sinewin"
1653 wmav1_decoder_select="mdct sinewin"
1654 wmav1_encoder_select="mdct sinewin"
1655 wmav2_decoder_select="mdct sinewin"
1656 wmav2_encoder_select="mdct sinewin"
1657 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1658 wmv1_decoder_select="h263_decoder"
1659 wmv1_encoder_select="h263_encoder"
1660 wmv2_decoder_select="h263_decoder"
1661 wmv2_encoder_select="h263_encoder"
1662 wmv3_decoder_select="vc1_decoder"
1663 wmv3_crystalhd_decoder_select="crystalhd"
1664 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1665 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1666 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1667 wmv3image_decoder_select="wmv3_decoder"
1668 zerocodec_decoder_select="zlib"
1669 zlib_decoder_select="zlib"
1670 zlib_encoder_select="zlib"
1671 zmbv_decoder_select="zlib"
1672 zmbv_encoder_select="zlib"
1673
1674 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1675 vaapi_deps="va_va_h"
1676 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1677 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1678
1679 # parsers
1680 h264_parser_select="error_resilience golomb h264dsp h264pred mpegvideo"
1681 mpeg4video_parser_select="error_resilience mpegvideo"
1682 mpegvideo_parser_select="error_resilience mpegvideo"
1683 vc1_parser_select="error_resilience mpegvideo"
1684
1685 # external libraries
1686 libaacplus_encoder_deps="libaacplus"
1687 libcelt_decoder_deps="libcelt"
1688 libfaac_encoder_deps="libfaac"
1689 libfdk_aac_encoder_deps="libfdk_aac"
1690 libgsm_decoder_deps="libgsm"
1691 libgsm_encoder_deps="libgsm"
1692 libgsm_ms_decoder_deps="libgsm"
1693 libgsm_ms_encoder_deps="libgsm"
1694 libilbc_decoder_deps="libilbc"
1695 libilbc_encoder_deps="libilbc"
1696 libmodplug_demuxer_deps="libmodplug"
1697 libmp3lame_encoder_deps="libmp3lame"
1698 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1699 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1700 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1701 libopenjpeg_decoder_deps="libopenjpeg"
1702 libopenjpeg_encoder_deps="libopenjpeg"
1703 libopus_decoder_deps="libopus"
1704 libschroedinger_decoder_deps="libschroedinger"
1705 libschroedinger_encoder_deps="libschroedinger"
1706 libspeex_decoder_deps="libspeex"
1707 libspeex_encoder_deps="libspeex"
1708 libstagefright_h264_decoder_deps="libstagefright_h264"
1709 libtheora_encoder_deps="libtheora"
1710 libtwolame_encoder_deps="libtwolame"
1711 libvo_aacenc_encoder_deps="libvo_aacenc"
1712 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1713 libvorbis_decoder_deps="libvorbis"
1714 libvorbis_encoder_deps="libvorbis"
1715 libvpx_decoder_deps="libvpx"
1716 libvpx_encoder_deps="libvpx"
1717 libx264_encoder_deps="libx264"
1718 libx264rgb_encoder_deps="libx264"
1719 libxavs_encoder_deps="libxavs"
1720 libxvid_encoder_deps="libxvid"
1721 libutvideo_decoder_deps="libutvideo"
1722 libutvideo_encoder_deps="libutvideo"
1723
1724 # demuxers / muxers
1725 ac3_demuxer_select="ac3_parser"
1726 asf_stream_muxer_select="asf_muxer"
1727 avisynth_demuxer_deps="avisynth"
1728 dirac_demuxer_select="dirac_parser"
1729 eac3_demuxer_select="ac3_parser"
1730 flac_demuxer_select="flac_parser"
1731 ipod_muxer_select="mov_muxer"
1732 libnut_demuxer_deps="libnut"
1733 libnut_muxer_deps="libnut"
1734 matroska_audio_muxer_select="matroska_muxer"
1735 matroska_demuxer_suggest="zlib bzlib"
1736 mov_demuxer_suggest="zlib"
1737 mp3_demuxer_select="mpegaudio_parser"
1738 mp4_muxer_select="mov_muxer"
1739 mpegts_muxer_select="adts_muxer latm_muxer mpegvideo"
1740 mpegtsraw_demuxer_select="mpegts_demuxer"
1741 mxf_d10_muxer_select="mxf_muxer"
1742 ogg_demuxer_select="golomb"
1743 psp_muxer_select="mov_muxer"
1744 rtp_demuxer_select="sdp_demuxer"
1745 rtp_muxer_select="mpegvideo"
1746 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1747 rtsp_demuxer_select="http_protocol rtpdec"
1748 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1749 sap_demuxer_select="sdp_demuxer"
1750 sap_muxer_select="rtp_muxer rtp_protocol"
1751 sdp_demuxer_select="rtpdec"
1752 spdif_muxer_select="aac_parser"
1753 tg2_muxer_select="mov_muxer"
1754 tgp_muxer_select="mov_muxer"
1755 w64_demuxer_deps="wav_demuxer"
1756
1757 # indevs / outdevs
1758 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1759 alsa_outdev_deps="alsa_asoundlib_h"
1760 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1761 caca_outdev_deps="libcaca"
1762 dshow_indev_deps="IBaseFilter"
1763 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1764 dv1394_indev_deps="dv1394 dv_demuxer"
1765 fbdev_indev_deps="linux_fb_h"
1766 iec61883_indev_deps="libiec61883"
1767 jack_indev_deps="jack_jack_h sem_timedwait"
1768 lavfi_indev_deps="avfilter"
1769 libcdio_indev_deps="libcdio"
1770 libdc1394_indev_deps="libdc1394"
1771 libv4l2_indev_deps="libv4l2"
1772 openal_indev_deps="openal"
1773 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1774 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1775 pulse_indev_deps="libpulse"
1776 sdl_outdev_deps="sdl"
1777 sndio_indev_deps="sndio_h"
1778 sndio_outdev_deps="sndio_h"
1779 v4l_indev_deps="linux_videodev_h"
1780 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1781 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1782 vfwcap_indev_extralibs="-lavicap32"
1783 x11grab_indev_deps="x11grab"
1784
1785 # protocols
1786 bluray_protocol_deps="libbluray"
1787 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1788 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1789 ffrtmpcrypt_protocol_select="tcp_protocol"
1790 ffrtmphttp_protocol_deps="!librtmp_protocol"
1791 ffrtmphttp_protocol_select="http_protocol"
1792 gopher_protocol_deps="network"
1793 httpproxy_protocol_deps="network"
1794 httpproxy_protocol_select="tcp_protocol"
1795 http_protocol_deps="network"
1796 http_protocol_select="tcp_protocol"
1797 https_protocol_select="tls_protocol"
1798 librtmp_protocol_deps="librtmp"
1799 librtmpe_protocol_deps="librtmp"
1800 librtmps_protocol_deps="librtmp"
1801 librtmpt_protocol_deps="librtmp"
1802 librtmpte_protocol_deps="librtmp"
1803 mmsh_protocol_select="http_protocol"
1804 mmst_protocol_deps="network"
1805 rtmp_protocol_deps="!librtmp_protocol"
1806 rtmp_protocol_select="tcp_protocol"
1807 rtmpe_protocol_select="ffrtmpcrypt_protocol"
1808 rtmps_protocol_deps="!librtmp_protocol"
1809 rtmps_protocol_select="tls_protocol"
1810 rtmpt_protocol_select="ffrtmphttp_protocol"
1811 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
1812 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
1813 rtp_protocol_select="udp_protocol"
1814 sctp_protocol_deps="network struct_sctp_event_subscribe"
1815 tcp_protocol_deps="network"
1816 tls_protocol_deps_any="openssl gnutls"
1817 tls_protocol_select="tcp_protocol"
1818 udp_protocol_deps="network"
1819
1820 # filters
1821 aconvert_filter_deps="swresample"
1822 amovie_filter_deps="avcodec avformat"
1823 aresample_filter_deps="swresample"
1824 ass_filter_deps="libass"
1825 asyncts_filter_deps="avresample"
1826 atempo_filter_deps="avcodec rdft"
1827 blackframe_filter_deps="gpl"
1828 boxblur_filter_deps="gpl"
1829 colormatrix_filter_deps="gpl"
1830 cropdetect_filter_deps="gpl"
1831 delogo_filter_deps="gpl"
1832 deshake_filter_deps="avcodec"
1833 drawtext_filter_deps="libfreetype"
1834 flite_filter_deps="libflite"
1835 frei0r_filter_deps="frei0r dlopen"
1836 frei0r_filter_extralibs='$ldl'
1837 frei0r_src_filter_deps="frei0r dlopen"
1838 frei0r_src_filter_extralibs='$ldl'
1839 hqdn3d_filter_deps="gpl"
1840 movie_filter_deps="avcodec avformat"
1841 mp_filter_deps="gpl avcodec swscale postproc"
1842 mptestsrc_filter_deps="gpl"
1843 negate_filter_deps="lut_filter"
1844 resample_filter_deps="avresample"
1845 ocv_filter_deps="libopencv"
1846 pan_filter_deps="swresample"
1847 removelogo_filter_deps="avcodec avformat swscale"
1848 scale_filter_deps="swscale"
1849 select_filter_deps="avcodec"
1850 showspectrum_filter_deps="avcodec"
1851 super2xsai_filter_deps="gpl"
1852 tinterlace_filter_deps="gpl"
1853 yadif_filter_deps="gpl"
1854
1855 # libraries
1856 avdevice_deps="avcodec avformat"
1857 avformat_deps="avcodec"
1858 postproc_deps="gpl"
1859
1860 # programs
1861 ffmpeg_deps="avcodec avfilter avformat swscale swresample"
1862 ffmpeg_select="buffersink_filter format_filter aformat_filter
1863                setpts_filter null_filter anull_filter abuffersink_filter"
1864 ffplay_deps="avcodec avformat swscale swresample sdl"
1865 ffplay_select="buffersink_filter rdft"
1866 ffprobe_deps="avcodec avformat"
1867 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1868 ffserver_extralibs='$ldl'
1869
1870 # documentation
1871 podpages_deps="perl"
1872 manpages_deps="perl pod2man"
1873 htmlpages_deps="texi2html"
1874 txtpages_deps="makeinfo"
1875 doc_deps_any="manpages htmlpages podpages txtpages"
1876
1877 # tests
1878 colormatrix1_test_deps="colormatrix_filter"
1879 colormatrix2_test_deps="colormatrix_filter"
1880 flashsv2_test_deps="zlib"
1881 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1882 mpng_test_deps="zlib"
1883 pp_test_deps="mp_filter"
1884 pp2_test_deps="mp_filter"
1885 pp3_test_deps="mp_filter"
1886 pp4_test_deps="mp_filter"
1887 pp5_test_deps="mp_filter"
1888 pp6_test_deps="mp_filter"
1889 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1890 zlib_test_deps="zlib"
1891 zmbv_test_deps="zlib"
1892
1893 test_deps(){
1894     suf1=$1
1895     suf2=$2
1896     shift 2
1897     for v; do
1898         dep=${v%=*}
1899         tests=${v#*=}
1900         for name in ${tests}; do
1901             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1902         done
1903     done
1904 }
1905
1906 test_deps _muxer _demuxer                                               \
1907     aiff                                                                \
1908     pcm_alaw=alaw                                                       \
1909     asf                                                                 \
1910     au                                                                  \
1911     avi                                                                 \
1912     dv=dv_fmt                                                           \
1913     ffm                                                                 \
1914     flv=flv_fmt                                                         \
1915     gxf                                                                 \
1916     matroska=mkv                                                        \
1917     mmf                                                                 \
1918     mov="mov ismv"                                                      \
1919     pcm_mulaw=mulaw                                                     \
1920     mxf="mxf mxf_d10"                                                   \
1921     nut                                                                 \
1922     ogg="ogg ogg_vp3"                                                   \
1923     rawvideo=pixfmt                                                     \
1924     rm                                                                  \
1925     swf                                                                 \
1926     mpegts=ts                                                           \
1927     voc                                                                 \
1928     wav                                                                 \
1929     yuv4mpegpipe=yuv4mpeg                                               \
1930
1931 # default parameters
1932
1933 logfile="config.log"
1934
1935 # installation paths
1936 prefix_default="/usr/local"
1937 bindir_default='${prefix}/bin'
1938 datadir_default='${prefix}/share/ffmpeg'
1939 incdir_default='${prefix}/include'
1940 libdir_default='${prefix}/lib'
1941 mandir_default='${prefix}/share/man'
1942 shlibdir_default="$libdir_default"
1943 postproc_version_default="current"
1944
1945 # toolchain
1946 ar_default="ar"
1947 cc_default="gcc"
1948 cxx_default="g++"
1949 host_cc_default="gcc"
1950 install="install"
1951 ln_s="ln -sf"
1952 nm_default="nm"
1953 objformat="elf"
1954 pkg_config_default=pkg-config
1955 ranlib="ranlib"
1956 strip_default="strip"
1957 yasmexe_default="yasm"
1958
1959 nm_opts='-g'
1960 nogas=":"
1961
1962 # machine
1963 arch_default=$(uname -m)
1964 cpu="generic"
1965
1966 # OS
1967 target_os_default=$(tolower $(uname -s))
1968 host_os=$target_os_default
1969
1970 # alternative libpostproc version
1971 ALT_PP_VER_MAJOR=51
1972 ALT_PP_VER_MINOR=2
1973 ALT_PP_VER_MICRO=101
1974 ALT_PP_VER=$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO
1975
1976 # configurable options
1977 enable $PROGRAM_LIST
1978 enable $DOCUMENT_LIST
1979
1980 enable avcodec
1981 enable avdevice
1982 enable avfilter
1983 enable avformat
1984 enable avutil
1985 enable postproc
1986 enable stripping
1987 enable swresample
1988 enable swscale
1989
1990 enable asm
1991 enable debug
1992 enable doc
1993 enable network
1994 enable optimizations
1995 enable safe_bitstream_reader
1996 enable static
1997 enable swscale_alpha
1998
1999 # build settings
2000 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2001 FFSERVERLDFLAGS=-Wl,-E
2002 LIBPREF="lib"
2003 LIBSUF=".a"
2004 FULLNAME='$(NAME)$(BUILDSUF)'
2005 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2006 SLIBPREF="lib"
2007 SLIBSUF=".so"
2008 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2009 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2010 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2011 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2012 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2013 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2014
2015 asflags_filter=echo
2016 cflags_filter=echo
2017 ldflags_filter=echo
2018
2019 AS_C='-c'
2020 AS_O='-o $@'
2021 CC_C='-c'
2022 CC_E='-E -o $@'
2023 CC_O='-o $@'
2024 CXX_C='-c'
2025 CXX_O='-o $@'
2026 LD_O='-o $@'
2027 HOSTCC_C='-c'
2028 HOSTCC_O='-o $@'
2029
2030 host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
2031 host_libs='-lm'
2032 host_cflags_filter=echo
2033 host_ldflags_filter=echo
2034
2035 target_path='$(CURDIR)'
2036
2037 # since the object filename is not given with the -MM flag, the compiler
2038 # is only able to print the basename, and we must add the path ourselves
2039 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2040 DEPFLAGS='-MM'
2041
2042 # find source path
2043 if test -f configure; then
2044     source_path=.
2045 else
2046     source_path=$(cd $(dirname "$0"); pwd)
2047     echo "$source_path" | grep -q '[[:blank:]]' &&
2048         die "Out of tree builds are impossible with whitespace in source path."
2049     test -e "$source_path/config.h" &&
2050         die "Out of tree builds are impossible with config.h in source dir."
2051 fi
2052
2053 for v in "$@"; do
2054     r=${v#*=}
2055     l=${v%"$r"}
2056     r=$(sh_quote "$r")
2057     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2058 done
2059
2060 find_things(){
2061     thing=$1
2062     pattern=$2
2063     file=$source_path/$3
2064     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2065 }
2066
2067 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
2068 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
2069 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
2070 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
2071 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
2072 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
2073 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
2074 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
2075 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
2076 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2077 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
2078
2079 ALL_COMPONENTS="
2080     $BSF_LIST
2081     $DECODER_LIST
2082     $DEMUXER_LIST
2083     $ENCODER_LIST
2084     $FILTER_LIST
2085     $HWACCEL_LIST
2086     $INDEV_LIST
2087     $MUXER_LIST
2088     $OUTDEV_LIST
2089     $PARSER_LIST
2090     $PROTOCOL_LIST
2091 "
2092
2093 find_tests(){
2094     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
2095 }
2096
2097 LAVF_FATE_TESTS=$(find_tests lavf-fate)
2098 LAVF_TESTS=$(find_tests lavf)
2099 LAVFI_TESTS=$(find_tests lavfi)
2100 SEEK_TESTS=$(find_tests seek seek_)
2101
2102 ALL_TESTS="$LAVF_FATE_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
2103
2104 for n in $COMPONENT_LIST; do
2105     v=$(toupper ${n%s})_LIST
2106     eval enable \$$v
2107     eval ${n}_if_any="\$$v"
2108 done
2109
2110 enable $ARCH_EXT_LIST $ALL_TESTS
2111
2112 die_unknown(){
2113     echo "Unknown option \"$1\"."
2114     echo "See $0 --help for available options."
2115     exit 1
2116 }
2117
2118 show_list() {
2119     suffix=_$1
2120     shift
2121     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
2122     exit 0
2123 }
2124
2125 rand_list(){
2126     IFS=', '
2127     set -- $*
2128     unset IFS
2129     for thing; do
2130         comp=${thing%:*}
2131         prob=${thing#$comp}
2132         prob=${prob#:}
2133         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2134         echo "prob ${prob:-0.5}"
2135         printf '%s\n' $comp
2136     done
2137 }
2138
2139 do_random(){
2140     action=$1
2141     shift
2142     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2143     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2144 }
2145
2146 for opt do
2147     optval="${opt#*=}"
2148     case "$opt" in
2149     --extra-ldflags=*) add_ldflags $optval
2150     ;;
2151     --extra-libs=*) add_extralibs $optval
2152     ;;
2153     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
2154     ;;
2155     --enable-debug=*) debuglevel="$optval"
2156     ;;
2157     --disable-everything)
2158     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2159     ;;
2160     --enable-random|--disable-random)
2161     action=${opt%%-random}
2162     do_random ${action#--} $COMPONENT_LIST
2163     ;;
2164     --enable-random=*|--disable-random=*)
2165     action=${opt%%-random=*}
2166     do_random ${action#--} $optval
2167     ;;
2168     --enable-*=*|--disable-*=*)
2169     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2170     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2171     eval list=\$$(toupper $thing)_LIST
2172     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2173     $action $(filter "$name" $list)
2174     ;;
2175     --enable-?*|--disable-?*)
2176     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2177     if is_in $option $COMPONENT_LIST; then
2178         test $action = disable && action=unset
2179         eval $action \$$(toupper ${option%s})_LIST
2180     elif is_in $option $CMDLINE_SELECT; then
2181         $action $option
2182     else
2183         die_unknown $opt
2184     fi
2185     ;;
2186     --list-*)
2187         NAME="${opt#--list-}"
2188         is_in $NAME $COMPONENT_LIST || die_unknown $opt
2189         NAME=${NAME%s}
2190         eval show_list $NAME \$$(toupper $NAME)_LIST
2191     ;;
2192     --help|-h) show_help
2193     ;;
2194     *)
2195     optname="${opt%%=*}"
2196     optname="${optname#--}"
2197     optname=$(echo "$optname" | sed 's/-/_/g')
2198     if is_in $optname $CMDLINE_SET; then
2199         eval $optname='$optval'
2200     elif is_in $optname $CMDLINE_APPEND; then
2201         append $optname "$optval"
2202     else
2203          die_unknown $opt
2204     fi
2205     ;;
2206     esac
2207 done
2208
2209 disabled logging && logfile=/dev/null
2210
2211 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2212 set >> $logfile
2213
2214 test -n "$cross_prefix" && enable cross_compile
2215
2216 if enabled cross_compile; then
2217     test -n "$arch" && test -n "$target_os" ||
2218         die "Must specify target arch and OS when cross-compiling"
2219 fi
2220
2221 set_default arch target_os postproc_version
2222
2223 # Check if we should build alternative libpostproc version instead of current
2224 if   test "$postproc_version" = $ALT_PP_VER; then
2225   LIBPOSTPROC_VERSION=$ALT_PP_VER
2226   LIBPOSTPROC_VERSION_MAJOR=$ALT_PP_VER_MAJOR
2227   LIBPOSTPROC_VERSION_MINOR=$ALT_PP_VER_MINOR
2228   LIBPOSTPROC_VERSION_MICRO=$ALT_PP_VER_MICRO
2229 elif test "$postproc_version" != current; then
2230   die "Invalid argument to --postproc-version. See --help output."
2231 fi
2232
2233 ar_default="${cross_prefix}${ar_default}"
2234 cc_default="${cross_prefix}${cc_default}"
2235 cxx_default="${cross_prefix}${cxx_default}"
2236 nm_default="${cross_prefix}${nm_default}"
2237 pkg_config_default="${cross_prefix}${pkg_config_default}"
2238 ranlib="${cross_prefix}${ranlib}"
2239 strip_default="${cross_prefix}${strip_default}"
2240
2241 sysinclude_default="${sysroot}/usr/include"
2242
2243 set_default cc cxx nm pkg_config strip sysinclude yasmexe
2244 enabled cross_compile || host_cc_default=$cc
2245 set_default host_cc
2246
2247 if ! $pkg_config --version >/dev/null 2>&1; then
2248     warn "$pkg_config not found, library detection may fail."
2249     pkg_config=false
2250 fi
2251
2252 exesuf() {
2253     case $1 in
2254         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2255     esac
2256 }
2257
2258 EXESUF=$(exesuf $target_os)
2259 HOSTEXESUF=$(exesuf $host_os)
2260
2261 # set temporary file name
2262 : ${TMPDIR:=$TEMPDIR}
2263 : ${TMPDIR:=$TMP}
2264 : ${TMPDIR:=/tmp}
2265
2266 if ! check_cmd mktemp -u XXXXXX; then
2267     # simple replacement for missing mktemp
2268     # NOT SAFE FOR GENERAL USE
2269     mktemp(){
2270         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2271     }
2272 fi
2273
2274 tmpfile(){
2275     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2276         (set -C; exec > $tmp) 2>/dev/null ||
2277         die "Unable to create temporary file in $TMPDIR."
2278     append TMPFILES $tmp
2279     eval $1=$tmp
2280 }
2281
2282 trap 'rm -f -- $TMPFILES' EXIT
2283
2284 tmpfile TMPASM .asm
2285 tmpfile TMPC   .c
2286 tmpfile TMPCPP .cpp
2287 tmpfile TMPE   $EXESUF
2288 tmpfile TMPH   .h
2289 tmpfile TMPO   .o
2290 tmpfile TMPS   .S
2291 tmpfile TMPSH  .sh
2292 tmpfile TMPV   .ver
2293
2294 unset -f mktemp
2295
2296 chmod +x $TMPE
2297
2298 # make sure we can execute files in $TMPDIR
2299 cat > $TMPSH 2>> $logfile <<EOF
2300 #! /bin/sh
2301 EOF
2302 chmod +x $TMPSH >> $logfile 2>&1
2303 if ! $TMPSH >> $logfile 2>&1; then
2304     cat <<EOF
2305 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2306 variable to another directory and make sure that it is not mounted noexec.
2307 EOF
2308     die "Sanity test failed."
2309 fi
2310
2311 pgi_flags(){
2312     for flag; do
2313         case $flag in
2314             -fomit-frame-pointer) echo -Mnoframe ;;
2315             -g)                   echo -gopt ;;
2316             *)                    echo $flag ;;
2317         esac
2318     done
2319 }
2320
2321 suncc_flags(){
2322     for flag; do
2323         case $flag in
2324             -march=*|-mcpu=*)
2325                 case "${flag#*=}" in
2326                     native)                   echo -xtarget=native       ;;
2327                     v9|niagara)               echo -xarch=sparc          ;;
2328                     ultrasparc)               echo -xarch=sparcvis       ;;
2329                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2330                     i586|pentium)             echo -xchip=pentium        ;;
2331                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2332                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2333                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2334                     pentium4*)          echo -xtarget=pentium4           ;;
2335                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2336                     *-sse3)             echo -xarch=sse3                 ;;
2337                     core2)              echo -xarch=ssse3 -xchip=core2   ;;
2338                     amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2339                     athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2340                     k8|opteron|athlon64|athlon-fx)
2341                                               echo -xarch=sse2a          ;;
2342                     athlon*)                  echo -xarch=pentium_proa   ;;
2343                 esac
2344                 ;;
2345             -std=c99)             echo -xc99              ;;
2346             -fomit-frame-pointer) echo -xregs=frameptr    ;;
2347             -fPIC)                echo -KPIC -xcode=pic32 ;;
2348             -W*,*)                echo $flag              ;;
2349             -f*-*|-W*)                                    ;;
2350             *)                    echo $flag              ;;
2351         esac
2352     done
2353 }
2354
2355 tms470_flags(){
2356     for flag; do
2357         case $flag in
2358             -march=*|-mcpu=*)
2359                 case "${flag#*=}" in
2360                     armv7-a|cortex-a*)      echo -mv=7a8 ;;
2361                     armv7-r|cortex-r*)      echo -mv=7r4 ;;
2362                     armv7-m|cortex-m*)      echo -mv=7m3 ;;
2363                     armv6*|arm11*)          echo -mv=6   ;;
2364                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2365                                             echo -mv=5e  ;;
2366                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2367                 esac
2368                 ;;
2369             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2370             -mfpu=vfp)      echo --float_support=vfpv2        ;;
2371             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2372             -msoft-float)   echo --float_support=vfplib       ;;
2373             -O[0-3]|-mf=*)  echo $flag                        ;;
2374             -g)             echo -g -mn                       ;;
2375             -pds=*)         echo $flag                        ;;
2376             -D*|-I*)        echo $flag                        ;;
2377             --gcc|--abi=*)  echo $flag                        ;;
2378             -me)            echo $flag                        ;;
2379         esac
2380     done
2381 }
2382
2383 probe_cc(){
2384     pfx=$1
2385     _cc=$2
2386
2387     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags _ldflags
2388     unset _depflags _DEPCMD _DEPFLAGS
2389     _flags_filter=echo
2390
2391     if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2392         _type=llvm_gcc
2393         gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2394         _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2395         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2396         _cflags_speed='-O3'
2397         _cflags_size='-Os'
2398     elif $_cc -v 2>&1 | grep -qi ^gcc; then
2399         _type=gcc
2400         gcc_version=$($_cc --version | head -n1)
2401         gcc_basever=$($_cc -dumpversion)
2402         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2403         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2404         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2405         if ! $_cc -dumpversion | grep -q '^2\.'; then
2406             _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2407         fi
2408         _cflags_speed='-O3'
2409         _cflags_size='-Os'
2410     elif $_cc --version 2>/dev/null | grep -q Intel; then
2411         _type=icc
2412         _ident=$($_cc --version | head -n1)
2413         _depflags='-MMD'
2414         _cflags_speed='-O3'
2415         _cflags_size='-Os'
2416         _cflags_noopt='-O1'
2417     elif $_cc -v 2>&1 | grep -q xlc; then
2418         _type=xlc
2419         _ident=$($_cc -qversion 2>/dev/null | head -n1)
2420         _cflags_speed='-O5'
2421         _cflags_size='-O5 -qcompact'
2422     elif $_cc -V 2>/dev/null | grep -q Compaq; then
2423         _type=ccc
2424         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2425         _DEPFLAGS='-M'
2426         debuglevel=3
2427         _ldflags='-Wl,-z,now' # calls to libots crash without this
2428         _cflags_speed='-fast'
2429         _cflags_size='-O1'
2430     elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2431         test -d "$sysroot" || die "No valid sysroot specified."
2432         _type=armcc
2433         _ident=$($_cc --vsn | head -n1)
2434         armcc_conf="$PWD/armcc.conf"
2435         $_cc --arm_linux_configure                 \
2436              --arm_linux_config_file="$armcc_conf" \
2437              --configure_sysroot="$sysroot"        \
2438              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2439              die "Error creating armcc configuration file."
2440         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2441         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2442         as_default="${cross_prefix}gcc"
2443         _depflags='-MMD'
2444         _cflags_speed='-O3'
2445         _cflags_size='-Os'
2446     elif $_cc -version 2>/dev/null | grep -q TMS470; then
2447         _type=tms470
2448         _ident=$($_cc -version | head -n1 | tr -s ' ')
2449         _flags='--gcc --abi=eabi -me'
2450         _cflags='-D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__='
2451         _cc_e='-ppl -fe=$@'
2452         _cc_o='-fe=$@'
2453         as_default="${cross_prefix}gcc"
2454         ld_default="${cross_prefix}gcc"
2455         _depflags='-ppa -ppd=$(@:.o=.d)'
2456         _cflags_speed='-O3 -mf=5'
2457         _cflags_size='-O3 -mf=2'
2458         _flags_filter=tms470_flags
2459     elif $_cc -v 2>&1 | grep -q clang; then
2460         _type=clang
2461         _ident=$($_cc --version | head -n1)
2462         _depflags='-MMD'
2463         _cflags_speed='-O3'
2464         _cflags_size='-Os'
2465     elif $_cc -V 2>&1 | grep -q Sun; then
2466         _type=suncc
2467         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2468         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2469         _DEPFLAGS='-xM1 -xc99'
2470         _ldflags='-std=c99'
2471         _cflags_speed='-O5'
2472         _cflags_size='-O5 -xspace'
2473         _flags_filter=suncc_flags
2474     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2475         _type=pathscale
2476         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2477         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2478         _cflags_speed='-O2'
2479         _cflags_size='-Os'
2480         _flags_filter='filter_out -Wdisabled-optimization'
2481     elif $_cc -v 2>&1 | grep -q Open64; then
2482         _type=open64
2483         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2484         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2485         _cflags_speed='-O2'
2486         _cflags_size='-Os'
2487         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2488     elif $_cc -V 2>&1 | grep -q Portland; then
2489         _type=pgi
2490         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2491         opt_common='-alias=ansi -Mlre -Mpre'
2492         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2493         _cflags_size="-O2 -Munroll=c:1 $opt_common"
2494         _cflags_noopt="-O1"
2495         _flags_filter=pgi_flags
2496     fi
2497
2498     eval ${pfx}_type=\$_type
2499     eval ${pfx}_ident=\$_ident
2500 }
2501
2502 set_ccvars(){
2503     eval ${1}_C=\${_cc_c-\${${1}_C}}
2504     eval ${1}_E=\${_cc_e-\${${1}_E}}
2505     eval ${1}_O=\${_cc_o-\${${1}_O}}
2506
2507     if [ -n "$_depflags" ]; then
2508         eval ${1}_DEPFLAGS=\$_depflags
2509     else
2510         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2511         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2512         eval DEP${1}FLAGS=\$_flags
2513     fi
2514 }
2515
2516 probe_cc cc "$cc"
2517 cflags_filter=$_flags_filter
2518 cflags_speed=$_cflags_speed
2519 cflags_size=$_cflags_size
2520 cflags_noopt=$_cflags_noopt
2521 add_cflags $_flags $_cflags
2522 cc_ldflags=$_ldflags
2523 set_ccvars CC
2524
2525 probe_cc hostcc "$host_cc"
2526 host_cflags_filter=$_flags_filter
2527 host_ldflags_filter=$_flags_filter
2528 add_host_cflags  $_flags $_cflags
2529 add_host_ldflags $_flags $_ldflags
2530 set_ccvars HOSTCC
2531
2532 test -n "$cc_type" && enable $cc_type ||
2533     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2534
2535 : ${as_default:=$cc}
2536 : ${dep_cc_default:=$cc}
2537 : ${ld_default:=$cc}
2538 set_default ar as dep_cc ld
2539
2540 probe_cc as "$as"
2541 asflags_filter=$_flags_filter
2542 add_asflags $_flags $_cflags
2543 set_ccvars AS
2544
2545 probe_cc ld "$ld"
2546 ldflags_filter=$_flags_filter
2547 add_ldflags $_flags $_ldflags
2548 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2549 LD_O=${_cc_o-$LD_O}
2550
2551 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2552     probe_cc depcc "$dep_cc"
2553     CCDEP=${_DEPCMD:-$DEPCMD}
2554     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2555     DEPCCFLAGS=$_flags
2556 fi
2557
2558 add_cflags $extra_cflags
2559 add_cxxflags $extra_cxxflags
2560 add_asflags $extra_cflags
2561
2562 if test -n "$sysroot"; then
2563     case "$cc_type" in
2564         gcc|llvm_gcc|clang)
2565             add_cppflags --sysroot="$sysroot"
2566             add_ldflags --sysroot="$sysroot"
2567         ;;
2568         tms470)
2569             add_cppflags -I"$sysinclude"
2570             add_ldflags  --sysroot="$sysroot"
2571         ;;
2572     esac
2573 fi
2574
2575 if test "$cpu" = host; then
2576     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2577
2578     case "$cc_type" in
2579         gcc|llvm_gcc)
2580             check_native(){
2581                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2582                 sed -n "/cc1.*$1=/{
2583                             s/.*$1=\\([^ ]*\\).*/\\1/
2584                             p
2585                             q
2586                         }" $TMPE
2587             }
2588             cpu=$(check_native -march || check_native -mcpu)
2589         ;;
2590     esac
2591
2592     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2593 fi
2594
2595 # Deal with common $arch aliases
2596 case "$arch" in
2597     arm*|iPad*)
2598         arch="arm"
2599     ;;
2600     mips|mipsel|IP*)
2601         arch="mips"
2602     ;;
2603     mips64*)
2604         arch="mips"
2605         subarch="mips64"
2606     ;;
2607     parisc|hppa)
2608         arch="parisc"
2609     ;;
2610     parisc64|hppa64)
2611         arch="parisc"
2612         subarch="parisc64"
2613     ;;
2614     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2615         arch="ppc"
2616     ;;
2617     s390|s390x)
2618         arch="s390"
2619     ;;
2620     sh4|sh)
2621         arch="sh4"
2622     ;;
2623     sun4u|sparc64)
2624         arch="sparc"
2625         subarch="sparc64"
2626     ;;
2627     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2628         arch="x86"
2629     ;;
2630 esac
2631
2632 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2633 enable $arch
2634
2635 # Add processor-specific flags
2636 if test "$cpu" = generic; then
2637     : do nothing
2638 elif enabled ppc; then
2639
2640     case $(tolower $cpu) in
2641         601|ppc601|powerpc601)
2642             cpuflags="-mcpu=601"
2643             disable altivec
2644         ;;
2645         603*|ppc603*|powerpc603*)
2646             cpuflags="-mcpu=603"
2647             disable altivec
2648         ;;
2649         604*|ppc604*|powerpc604*)
2650             cpuflags="-mcpu=604"
2651             disable altivec
2652         ;;
2653         g3|75*|ppc75*|powerpc75*)
2654             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2655             disable altivec
2656         ;;
2657         g4|745*|ppc745*|powerpc745*)
2658             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2659         ;;
2660         74*|ppc74*|powerpc74*)
2661             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2662         ;;
2663         g5|970|ppc970|powerpc970)
2664             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2665         ;;
2666         power[3-7]*)
2667             cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2668         ;;
2669         cell)
2670             cpuflags="-mcpu=cell"
2671             enable ldbrx
2672         ;;
2673         e500mc)
2674             cpuflags="-mcpu=e500mc"
2675             disable altivec
2676         ;;
2677         e500v2)
2678             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2679             disable altivec
2680         ;;
2681         e500)
2682             cpuflags="-mcpu=8540 -mhard-float"
2683             disable altivec
2684         ;;
2685     esac
2686
2687 elif enabled x86; then
2688
2689     case $cpu in
2690         i[345]86|pentium)
2691             cpuflags="-march=$cpu"
2692             disable mmx
2693         ;;
2694         # targets that do NOT support conditional mov (cmov)
2695         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2696             cpuflags="-march=$cpu"
2697             disable cmov
2698         ;;
2699         # targets that do support conditional mov (cmov)
2700         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2701             cpuflags="-march=$cpu"
2702             enable cmov
2703             enable fast_cmov
2704         ;;
2705         # targets that do support conditional mov but on which it's slow
2706         pentium4|pentium4m|prescott|nocona)
2707             cpuflags="-march=$cpu"
2708             enable cmov
2709             disable fast_cmov
2710         ;;
2711     esac
2712
2713 elif enabled sparc; then
2714
2715     case $cpu in
2716         niagara)
2717             cpuflags="-mcpu=$cpu"
2718             disable vis
2719         ;;
2720         sparc64)
2721             cpuflags="-mcpu=v9"
2722         ;;
2723     esac
2724
2725 elif enabled arm; then
2726
2727     case $cpu in
2728         armv*)
2729             cpuflags="-march=$cpu"
2730             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2731         ;;
2732         *)
2733             cpuflags="-mcpu=$cpu"
2734             case $cpu in
2735                 cortex-a*)                               subarch=armv7a  ;;
2736                 cortex-r*)                               subarch=armv7r  ;;
2737                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2738                 arm11*)                                  subarch=armv6   ;;
2739                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2740                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2741             esac
2742         ;;
2743     esac
2744
2745 elif enabled alpha; then
2746
2747     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2748
2749 elif enabled bfin; then
2750
2751     cpuflags="-mcpu=$cpu"
2752
2753 elif enabled mips; then
2754
2755     cpuflags="-march=$cpu"
2756
2757     case $cpu in
2758         24kc)
2759             disable mipsfpu
2760             disable mipsdspr1
2761             disable mipsdspr2
2762         ;;
2763         24kf*)
2764             disable mipsdspr1
2765             disable mipsdspr2
2766         ;;
2767         24kec|34kc|1004kc)
2768             disable mipsfpu
2769             disable mipsdspr2
2770         ;;
2771         24kef*|34kf*|1004kf*)
2772             disable mipsdspr2
2773         ;;
2774         74kc)
2775             disable mipsfpu
2776         ;;
2777     esac
2778
2779 elif enabled avr32; then
2780
2781     case $cpu in
2782         ap7[02]0[0-2])
2783             subarch="avr32_ap"
2784             cpuflags="-mpart=$cpu"
2785         ;;
2786         ap)
2787             subarch="avr32_ap"
2788             cpuflags="-march=$cpu"
2789         ;;
2790         uc3[ab]*)
2791             subarch="avr32_uc"
2792             cpuflags="-mcpu=$cpu"
2793         ;;
2794         uc)
2795             subarch="avr32_uc"
2796             cpuflags="-march=$cpu"
2797         ;;
2798     esac
2799
2800 fi
2801
2802 add_cflags $cpuflags
2803 add_asflags $cpuflags
2804
2805 # compiler sanity check
2806 check_exec <<EOF
2807 int main(void){ return 0; }
2808 EOF
2809 if test "$?" != 0; then
2810     echo "$cc is unable to create an executable file."
2811     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2812         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2813         echo "Only do this if you know what cross compiling means."
2814     fi
2815     die "C compiler test failed."
2816 fi
2817
2818 add_cppflags -D_ISOC99_SOURCE
2819 add_cxxflags -D__STDC_CONSTANT_MACROS
2820 check_cflags -std=c99
2821 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2822 #include <stdlib.h>
2823 EOF
2824 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2825 #include <stdlib.h>
2826 EOF
2827
2828 check_host_cflags -std=c99
2829 check_host_cflags -Wall
2830
2831 case "$arch" in
2832     alpha|ia64|mips|parisc|sparc)
2833         spic=$shared
2834     ;;
2835     x86)
2836         subarch="x86_32"
2837         check_code cc "" "int test[(int)sizeof(char*) - 7]" && subarch="x86_64"
2838         if test "$subarch" = "x86_64"; then
2839             spic=$shared
2840         fi
2841     ;;
2842     ppc)
2843         check_cc <<EOF && subarch="ppc64"
2844         int test[(int)sizeof(char*) - 7];
2845 EOF
2846     ;;
2847 esac
2848
2849 enable $subarch
2850 enabled spic && enable pic
2851
2852 # OS specific
2853 case $target_os in
2854     haiku)
2855         prefix_default="/boot/common"
2856         network_extralibs="-lnetwork"
2857         host_libs=
2858         ;;
2859     sunos)
2860         FFSERVERLDFLAGS=""
2861         SHFLAGS='-shared -Wl,-h,$$(@F)'
2862         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2863         network_extralibs="-lsocket -lnsl"
2864         add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
2865         # When using suncc to build, the Solaris linker will mark
2866         # an executable with each instruction set encountered by
2867         # the Solaris assembler.  As our libraries contain their own
2868         # guards for processor-specific code, instead suppress
2869         # generation of the HWCAPS ELF section on Solaris x86 only.
2870         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2871         nm_opts='-P -g'
2872         ;;
2873     netbsd)
2874         disable symver
2875         oss_indev_extralibs="-lossaudio"
2876         oss_outdev_extralibs="-lossaudio"
2877         ;;
2878     openbsd|bitrig)
2879         # On OpenBSD 4.5. the compiler does not use PIC unless
2880         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2881         # however the generated executable will not do anything
2882         # (simply quits with exit-code 1, no crash, no output).
2883         # Thus explicitly enable PIC here.
2884         enable pic
2885         disable symver
2886         SHFLAGS='-shared'
2887         SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBVERSION)'
2888         oss_indev_extralibs="-lossaudio"
2889         oss_outdev_extralibs="-lossaudio"
2890         ;;
2891     dragonfly)
2892         disable symver
2893         ;;
2894     freebsd)
2895         ;;
2896     bsd/os)
2897         add_extralibs -lpoll -lgnugetopt
2898         strip="strip -d"
2899         ;;
2900     darwin)
2901         gas="gas-preprocessor.pl $cc"
2902         enabled ppc && add_asflags -force_cpusubtype_ALL
2903         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2904         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2905         strip="${strip} -x"
2906         add_ldflags -Wl,-dynamic,-search_paths_first
2907         SLIBSUF=".dylib"
2908         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2909         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2910         FFSERVERLDFLAGS=-Wl,-bind_at_load
2911         objformat="macho"
2912         enabled x86_64 && objformat="macho64"
2913         enabled_any pic shared ||
2914             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2915         ;;
2916     mingw32*)
2917         if test $target_os = "mingw32ce"; then
2918             disable network
2919         else
2920             target_os=mingw32
2921         fi
2922         LIBTARGET=i386
2923         if enabled x86_64; then
2924             LIBTARGET="i386:x86-64"
2925         elif enabled arm; then
2926             LIBTARGET=arm-wince
2927         fi
2928         shlibdir_default="$bindir_default"
2929         SLIBPREF=""
2930         SLIBSUF=".dll"
2931         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2932         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2933         dlltool="${cross_prefix}dlltool"
2934         if check_cmd lib.exe -list; then
2935             SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2936             if enabled x86_64; then
2937                 LIBTARGET=x64
2938             fi
2939         elif check_cmd $dlltool --version; then
2940             SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2941         fi
2942         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2943         SLIB_INSTALL_LINKS=
2944         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2945         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2946         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2947         objformat="win32"
2948         enable dos_paths
2949         check_cflags -fno-common
2950         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2951                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2952                 die "ERROR: MinGW runtime version must be >= 3.15."
2953         add_cppflags -U__STRICT_ANSI__
2954         ;;
2955     cygwin*)
2956         target_os=cygwin
2957         shlibdir_default="$bindir_default"
2958         SLIBPREF="cyg"
2959         SLIBSUF=".dll"
2960         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2961         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2962         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2963         SLIB_INSTALL_LINKS=
2964         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
2965         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
2966         objformat="win32"
2967         enable dos_paths
2968         check_cflags -fno-common
2969         add_cppflags -U__STRICT_ANSI__
2970         ;;
2971     *-dos|freedos|opendos)
2972         network_extralibs="-lsocket"
2973         objformat="coff"
2974         enable dos_paths
2975         add_cppflags -U__STRICT_ANSI__
2976         ;;
2977     linux)
2978         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2979         enable dv1394
2980         ;;
2981     irix*)
2982         target_os=irix
2983         ranlib="echo ignoring ranlib"
2984         ;;
2985     os/2*)
2986         strip="lxlite -CS"
2987         ln_s="cp -f"
2988         objformat="aout"
2989         add_cppflags -D_GNU_SOURCE
2990         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2991         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2992         FFSERVERLDFLAGS=""
2993         LIBSUF="_s.a"
2994         SLIBPREF=""
2995         SLIBSUF=".dll"
2996         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2997         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2998         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2999           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3000           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3001           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3002           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3003           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3004         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3005           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3006         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3007         enable dos_paths
3008         enable_weak os2threads
3009         ;;
3010     gnu/kfreebsd)
3011         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
3012         ;;
3013     gnu)
3014         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3015         ;;
3016     qnx)
3017         add_cppflags -D_QNX_SOURCE
3018         network_extralibs="-lsocket"
3019         ;;
3020     symbian)
3021         SLIBSUF=".dll"
3022         enable dos_paths
3023         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3024         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3025         add_ldflags -Wl,--target1-abs,--no-undefined \
3026                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3027                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3028         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3029                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3030                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3031         ;;
3032     none)
3033         ;;
3034     *)
3035         die "Unknown OS '$target_os'."
3036         ;;
3037 esac
3038
3039 esc(){
3040     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3041 }
3042
3043 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
3044
3045 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
3046
3047 set_default $PATHS_LIST
3048
3049 # we need to build at least one lib type
3050 if ! enabled_any static shared; then
3051     cat <<EOF
3052 At least one library type must be built.
3053 Specify --enable-static to build the static libraries or --enable-shared to
3054 build the shared libraries as well. To only build the shared libraries specify
3055 --disable-static in addition to --enable-shared.
3056 EOF
3057     exit 1;
3058 fi
3059
3060 die_license_disabled() {
3061     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3062 }
3063
3064 die_license_disabled_gpl() {
3065     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
3066 }
3067
3068 die_license_disabled gpl libcdio
3069 die_license_disabled gpl libutvideo
3070 die_license_disabled gpl libx264
3071 die_license_disabled gpl libxavs
3072 die_license_disabled gpl libxvid
3073 die_license_disabled gpl x11grab
3074
3075 die_license_disabled nonfree libaacplus
3076 die_license_disabled nonfree libfaac
3077 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
3078 enabled gpl && die_license_disabled_gpl nonfree openssl
3079
3080 die_license_disabled version3 libopencore_amrnb
3081 die_license_disabled version3 libopencore_amrwb
3082 die_license_disabled version3 libvo_aacenc
3083 die_license_disabled version3 libvo_amrwbenc
3084
3085 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3086
3087 disabled optimizations || check_cflags -fomit-frame-pointer
3088
3089 enable_pic() {
3090     enable pic
3091     add_cppflags -DPIC
3092     add_cflags   -fPIC
3093     add_asflags  -fPIC
3094 }
3095
3096 enabled pic && enable_pic
3097
3098 check_cc <<EOF || die "Symbol mangling check failed."
3099 int ff_extern;
3100 EOF
3101 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3102 extern_prefix=${sym%%ff_extern*}
3103
3104 check_cc <<EOF && enable inline_asm
3105 void foo(void) { __asm__ volatile ("" ::); }
3106 EOF
3107
3108 _restrict=
3109 for restrict_keyword in restrict __restrict__ __restrict; do
3110     check_cc <<EOF && _restrict=$restrict_keyword && break
3111 void foo(char * $restrict_keyword p);
3112 EOF
3113 done
3114
3115 check_cc <<EOF && enable attribute_packed
3116 struct { int x; } __attribute__((packed)) x;
3117 EOF
3118
3119 check_cc <<EOF && enable attribute_may_alias
3120 union { int x; } __attribute__((may_alias)) x;
3121 EOF
3122
3123 check_cc <<EOF || die "endian test failed"
3124 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3125 EOF
3126 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3127
3128 if enabled alpha; then
3129
3130     check_cflags -mieee
3131
3132 elif enabled arm; then
3133
3134     enabled thumb && check_cflags -mthumb || check_cflags -marm
3135     nogas=die
3136
3137     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3138         enable vfp_args
3139     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3140         case "${cross_prefix:-$cc}" in
3141             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
3142             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3143 __asm__ (".eabi_attribute 28, 1");
3144 int main(void) { return 0; }
3145 EOF
3146         esac
3147         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3148     fi
3149
3150     enabled armv5te && check_inline_asm armv5te '"qadd r0, r0, r0"'
3151     enabled armv6   && check_inline_asm armv6   '"sadd16 r0, r0, r0"'
3152     enabled armv6t2 && check_inline_asm armv6t2 '"movt r0, #0"'
3153     enabled armvfp  && check_inline_asm armvfp  '"fadds s0, s0, s0"'
3154     enabled neon    && check_inline_asm neon    '"vadd.i16 q0, q0, q0"'
3155     enabled vfpv3   && check_inline_asm vfpv3   '"vmov.f32 s0, #1.0"'
3156
3157     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3158     check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
3159
3160     enabled_all armv6t2 shared !pic && enable_pic
3161
3162 elif enabled mips; then
3163
3164     check_inline_asm loongson '"dmult.g $1, $2, $3"'
3165     enabled mmi && check_inline_asm mmi '"lq $2, 0($2)"'
3166     enabled mips32r2  && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
3167      check_inline_asm mips32r2  '"rotr $t0, $t1, 1"'
3168     enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
3169      check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
3170     enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
3171      check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
3172     enabled mipsfpu   && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
3173      check_inline_asm mipsfpu   '"madd.d $f0, $f2, $f4, $f6"'
3174
3175 elif enabled ppc; then
3176
3177     enable local_aligned_8 local_aligned_16
3178
3179     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
3180     check_inline_asm ibm_asm   '"add 0, 0, 0"'
3181     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'
3182     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
3183
3184     # AltiVec flags: The FSF version of GCC differs from the Apple version
3185     if enabled altivec; then
3186         nogas=warn
3187         check_cflags -maltivec -mabi=altivec &&
3188         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3189         check_cflags -faltivec
3190
3191         # check if our compiler supports Motorola AltiVec C API
3192         check_cc <<EOF || disable altivec
3193 $inc_altivec_h
3194 int main(void) {
3195     vector signed int v1 = (vector signed int) { 0 };
3196     vector signed int v2 = (vector signed int) { 1 };
3197     v1 = vec_add(v1, v2);
3198     return 0;
3199 }
3200 EOF
3201
3202         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
3203     fi
3204
3205 elif enabled sparc; then
3206
3207     enabled vis &&
3208         check_inline_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
3209         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
3210
3211 elif enabled x86; then
3212
3213     check_code ld immintrin.h "__xgetbv(0)" "cc" && enable xgetbv
3214     check_code ld intrin.h "int info[4]; __cpuid(info, 0)" "cc" && enable cpuid
3215     check_code ld intrin.h "__rdtsc()" "cc" && enable rdtsc
3216     check_code ld intrin.h "unsigned int x = __readeflags()" "cc" && enable rweflags
3217
3218     check_code ld mmintrin.h "_mm_empty()" "cc" && enable mm_empty
3219
3220     enable local_aligned_8 local_aligned_16
3221
3222     # check whether EBP is available on x86
3223     # As 'i' is stored on the stack, this program will crash
3224     # if the base pointer is used to access it because the
3225     # base pointer is cleared in the inline assembly code.
3226     check_exec_crash <<EOF && enable ebp_available
3227     volatile int i=0;
3228     __asm__ volatile (
3229         "xorl %%ebp, %%ebp"
3230     ::: "%ebp");
3231     return i;
3232 EOF
3233
3234     # check whether EBX is available on x86
3235     check_inline_asm ebx_available '""::"b"(0)' &&
3236         check_inline_asm ebx_available '"":::"%ebx"'
3237
3238     # check whether xmm clobbers are supported
3239     check_inline_asm xmm_clobbers '"":::"%xmm0"'
3240
3241     # check whether binutils is new enough to compile SSSE3/MMXEXT
3242     enabled ssse3  && check_inline_asm ssse3  '"pabsw %xmm0, %xmm0"'
3243     enabled mmxext && check_inline_asm mmxext '"pmaxub %mm0, %mm1"'
3244
3245     if ! disabled_any asm mmx yasm; then
3246         if check_cmd $yasmexe --version; then
3247             enabled x86_64 && yasm_extra="-m amd64"
3248             yasm_debug="-g dwarf2"
3249         elif check_cmd nasm -v; then
3250             yasmexe=nasm
3251             yasm_debug="-g -F dwarf"
3252             enabled x86_64 && test "$objformat" = elf && objformat=elf64
3253         fi
3254
3255         YASMFLAGS="-f $objformat $yasm_extra"
3256         enabled pic               && append YASMFLAGS "-DPIC"
3257         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
3258         case "$objformat" in
3259             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3260         esac
3261
3262         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3263             die "yasm not found, use --disable-yasm for a crippled build"
3264         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
3265         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4
3266         check_yasm "CPU amdnop" && enable cpunop
3267     fi
3268
3269     case "$cpu" in
3270         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3271             disable fast_clz
3272         ;;
3273     esac
3274
3275 fi
3276
3277 if enabled asm; then
3278     as=${gas:=$as}
3279     check_inline_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3280         $nogas "GNU assembler not found, install gas-preprocessor"
3281 fi
3282
3283 check_ldflags -Wl,--as-needed
3284
3285 if check_func dlopen; then
3286     ldl=
3287 elif check_func dlopen -ldl; then
3288     ldl=-ldl
3289 fi
3290
3291 if enabled network; then
3292     check_type "sys/types.h sys/socket.h" socklen_t
3293     check_type netdb.h "struct addrinfo"
3294     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
3295     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
3296     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3297     check_type netinet/in.h "struct sockaddr_in6"
3298     check_type poll.h "struct pollfd"
3299     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3300     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3301     check_type netinet/sctp.h "struct sctp_event_subscribe"
3302     check_func getaddrinfo $network_extralibs
3303     # Prefer arpa/inet.h over winsock2
3304     if check_header arpa/inet.h ; then
3305         check_func closesocket
3306     elif check_header winsock2.h ; then
3307         check_func_headers winsock2.h closesocket -lws2 &&
3308             network_extralibs="-lws2" ||
3309         { check_func_headers winsock2.h closesocket -lws2_32 &&
3310             network_extralibs="-lws2_32"; }
3311         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
3312         check_type ws2tcpip.h socklen_t
3313         check_type ws2tcpip.h "struct addrinfo"
3314         check_type ws2tcpip.h "struct group_source_req"
3315         check_type ws2tcpip.h "struct ip_mreq_source"
3316         check_type ws2tcpip.h "struct ipv6_mreq"
3317         check_type winsock2.h "struct pollfd"
3318         check_type ws2tcpip.h "struct sockaddr_in6"
3319         check_type ws2tcpip.h "struct sockaddr_storage"
3320         check_struct winsock2.h "struct sockaddr" sa_len
3321     else
3322         disable network
3323     fi
3324 fi
3325
3326 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3327 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3328
3329 check_func  clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
3330 check_func  fcntl
3331 check_func  fork
3332 check_func  gethrtime
3333 check_func  getopt
3334 check_func  getrusage
3335 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3336 check_func  gettimeofday
3337 check_func  inet_aton $network_extralibs
3338 check_func  isatty
3339 check_func  localtime_r
3340 check_func  ${malloc_prefix}memalign            && enable memalign
3341 check_func  mkstemp
3342 check_func  mmap
3343 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
3344 check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc
3345 check_func  setrlimit
3346 check_func  strerror_r
3347 check_func  strptime
3348 check_func  sched_getaffinity
3349 check_func  sysconf
3350 check_func  sysctl
3351 check_func  usleep
3352 check_func_headers conio.h kbhit
3353 check_func_headers windows.h PeekNamedPipe
3354 check_func_headers io.h setmode
3355 check_func_headers lzo/lzo1x.h lzo1x_999_compress
3356 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
3357 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3358 check_func_headers windows.h GetProcessAffinityMask
3359 check_func_headers windows.h GetProcessTimes
3360 check_func_headers windows.h GetSystemTimeAsFileTime
3361 check_func_headers windows.h MapViewOfFile
3362 check_func_headers windows.h Sleep
3363 check_func_headers windows.h VirtualAlloc
3364 check_func_headers glob.h glob
3365
3366 check_header dlfcn.h
3367 check_header dxva.h
3368 check_header dxva2api.h -D_WIN32_WINNT=0x0600
3369 check_header libcrystalhd/libcrystalhd_if.h
3370 check_header malloc.h
3371 check_header poll.h
3372 check_header sys/mman.h
3373 check_header sys/param.h
3374 check_header sys/resource.h
3375 check_header sys/select.h
3376 check_header sys/time.h
3377 check_header termios.h
3378 check_header unistd.h
3379 check_header vdpau/vdpau.h
3380 check_header vdpau/vdpau_x11.h
3381 check_header windows.h
3382 check_header X11/extensions/XvMClib.h
3383 check_header asm/types.h
3384
3385 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3386 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3387
3388 # check for VDA header
3389 if ! disabled vda; then
3390     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3391         enable vda
3392         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3393     fi
3394 fi
3395
3396 if ! disabled w32threads && ! enabled pthreads; then
3397     check_func _beginthreadex && enable w32threads
3398 fi
3399
3400 # check for some common methods of building with pthread support
3401 # do this before the optional library checks as some of them require pthreads
3402 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3403     enable pthreads
3404     if check_func pthread_create; then
3405         :
3406     elif check_func pthread_create -pthread; then
3407         add_cflags -pthread
3408         add_extralibs -pthread
3409     elif check_func pthread_create -pthreads; then
3410         add_cflags -pthreads
3411         add_extralibs -pthreads
3412     elif check_func pthread_create -lpthreadGC2; then
3413         add_extralibs -lpthreadGC2
3414     elif ! check_lib pthread.h pthread_create -lpthread; then
3415         disable pthreads
3416     fi
3417 fi
3418
3419 for thread in $THREADS_LIST; do
3420     if enabled $thread; then
3421         test -n "$thread_type" &&
3422             die "ERROR: Only one thread type must be selected." ||
3423             thread_type="$thread"
3424     fi
3425 done
3426
3427 if enabled pthreads; then
3428   check_func pthread_cancel
3429 fi
3430
3431 check_lib math.h sin -lm && LIBM="-lm"
3432 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3433 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3434
3435 check_mathfunc cbrtf
3436 check_mathfunc exp2
3437 check_mathfunc exp2f
3438 check_mathfunc isinf
3439 check_mathfunc isnan
3440 check_mathfunc llrint
3441 check_mathfunc llrintf
3442 check_mathfunc log2
3443 check_mathfunc log2f
3444 check_mathfunc lrint
3445 check_mathfunc lrintf
3446 check_mathfunc rint
3447 check_mathfunc round
3448 check_mathfunc roundf
3449 check_mathfunc trunc
3450 check_mathfunc truncf
3451
3452 # these are off by default, so fail if requested and not available
3453 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3454 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
3455 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3456 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3457 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
3458 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3459 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3460 enabled libbluray  && require libbluray libbluray/bluray.h bd_open -lbluray
3461 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0 &&
3462                       { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
3463                         die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
3464 enabled libcaca    && require_pkg_config caca caca.h caca_create_canvas
3465 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3466 enabled libfdk_aac && require  libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
3467 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"
3468 enabled libflite   && require2 libflite "flite/flite.h" flite_init $flite_libs
3469 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3470 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3471 enabled libilbc    && require  libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
3472 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3473 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3474 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3475 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3476 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3477 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3478 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3479 enabled libopus    && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
3480 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3481 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3482 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3483 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3484 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3485     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3486     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
3487 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3488 enabled libtwolame && require  libtwolame twolame.h twolame_init -ltwolame &&
3489                       { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
3490                         die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
3491 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3492 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3493 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3494 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3495 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3496 enabled libvpx     && {
3497     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3498                                 die "ERROR: libvpx decoder must be installed and version must be >=0.9.1"; }
3499     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
3500                                 die "ERROR: libvpx encoder version must be >=0.9.7"; } }
3501 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3502                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3503                         die "ERROR: libx264 must be installed and version must be >= 0.118."; }
3504 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3505 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3506 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3507                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3508                         die "ERROR: openal not found"; } &&
3509                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3510                         die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
3511 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3512                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3513                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3514                         die "ERROR: openssl not found"; }
3515
3516 if enabled gnutls; then
3517     { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
3518     { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
3519 fi
3520
3521 # libdc1394 check
3522 if enabled libdc1394; then
3523     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3524         enable libdc1394_2; } ||
3525     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3526         enable libdc1394_1; } ||
3527     die "ERROR: No version of libdc1394 found "
3528 fi
3529
3530 SDL_CONFIG="${cross_prefix}sdl-config"
3531 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3532     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3533     enable sdl &&
3534     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3535 else
3536   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3537     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3538     sdl_libs=$("${SDL_CONFIG}" --libs)
3539     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3540     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3541     enable sdl &&
3542     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3543   fi
3544 fi
3545 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3546
3547 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
3548 makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
3549 perl --version > /dev/null 2>&1 && enable perl || disable perl
3550 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
3551
3552 check_header linux/fb.h
3553 check_header linux/videodev.h
3554 check_header linux/videodev2.h
3555 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3556
3557 check_header sys/videoio.h
3558
3559 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3560 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3561 # w32api 3.12 had it defined wrong
3562 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3563
3564 check_type "dshow.h" IBaseFilter
3565
3566 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3567 { check_header dev/bktr/ioctl_meteor.h &&
3568   check_header dev/bktr/ioctl_bt848.h; } ||
3569 { check_header machine/ioctl_meteor.h &&
3570   check_header machine/ioctl_bt848.h; } ||
3571 { check_header dev/video/meteor/ioctl_meteor.h &&
3572   check_header dev/video/bktr/ioctl_bt848.h; } ||
3573 check_header dev/ic/bt8xx.h
3574
3575 check_header sndio.h
3576 if check_struct sys/soundcard.h audio_buf_info bytes; then
3577     enable_safe sys/soundcard.h
3578 else
3579     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3580     #include <sys/soundcard.h>
3581     audio_buf_info abc;
3582 EOF
3583 fi
3584 check_header soundcard.h
3585
3586 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3587
3588 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
3589     check_func jack_port_get_latency_range -ljack
3590
3591 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3592
3593 enabled libcdio &&
3594     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3595
3596 enabled x11grab                                           &&
3597 require X11 X11/Xlib.h XOpenDisplay -lX11                 &&
3598 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3599 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3600
3601 if ! disabled vaapi; then
3602     check_lib va/va.h vaInitialize -lva && {
3603         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3604         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3605     } || disable vaapi
3606 fi
3607
3608 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3609 check_cpp_condition \
3610     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3611     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3612       disable vdpau; }
3613 fi
3614
3615 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3616 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3617 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"
3618
3619 # add some useful compiler flags if supported
3620 check_cflags -Wdeclaration-after-statement
3621 check_cflags -Wall
3622 check_cflags -Wno-parentheses
3623 check_cflags -Wno-switch
3624 check_cflags -Wno-format-zero-length
3625 check_cflags -Wdisabled-optimization
3626 check_cflags -Wpointer-arith
3627 check_cflags -Wredundant-decls
3628 check_cflags -Wno-pointer-sign
3629 check_cflags -Wwrite-strings
3630 check_cflags -Wtype-limits
3631 check_cflags -Wundef
3632 check_cflags -Wmissing-prototypes
3633 check_cflags -Wno-pointer-to-int-cast
3634 check_cflags -Wstrict-prototypes
3635 enabled extra_warnings && check_cflags -Winline
3636
3637 # add some linker flags
3638 check_ldflags -Wl,--warn-common
3639 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3640 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3641
3642 enabled xmm_clobber_test &&
3643     check_ldflags -Wl,--wrap,avcodec_open2              \
3644                   -Wl,--wrap,avcodec_decode_audio4      \
3645                   -Wl,--wrap,avcodec_decode_video2      \
3646                   -Wl,--wrap,avcodec_decode_subtitle2   \
3647                   -Wl,--wrap,avcodec_encode_audio2      \
3648                   -Wl,--wrap,avcodec_encode_video       \
3649                   -Wl,--wrap,avcodec_encode_subtitle    \
3650                   -Wl,--wrap,sws_scale ||
3651     disable xmm_clobber_test
3652
3653 echo "X{};" > $TMPV
3654 if test_ldflags -Wl,--version-script,$TMPV; then
3655     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3656     check_cc <<EOF && enable symver_asm_label
3657 void ff_foo(void) __asm__ ("av_foo@VERSION");
3658 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3659 EOF
3660     check_cc <<EOF && enable symver_gnu_asm
3661 __asm__(".symver ff_foo,av_foo@VERSION");
3662 void ff_foo(void) {}
3663 EOF
3664 fi
3665
3666 if [ -n "$optflags" ]; then
3667     add_cflags $optflags
3668 elif enabled small; then
3669     add_cflags $cflags_size
3670 elif enabled optimizations; then
3671     add_cflags $cflags_speed
3672 else
3673     add_cflags $cflags_noopt
3674 fi
3675 check_cflags -fno-math-errno
3676 check_cflags -fno-signed-zeros
3677 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3678 int x;
3679 EOF
3680
3681
3682 if enabled icc; then
3683     # Just warnings, no remarks
3684     check_cflags -w1
3685     # -wd: Disable following warnings
3686     # 144, 167, 556: -Wno-pointer-sign
3687     # 1292: attribute "foo" ignored
3688     # 1419: external declaration in primary source file
3689     # 10006: ignoring unknown option -fno-signed-zeros
3690     # 10148: ignoring unknown option -Wno-parentheses
3691     # 10156: ignoring option '-W'; no argument required
3692     check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3693     # 11030: Warning unknown option --as-needed
3694     # 10156: ignoring option '-export'; no argument required
3695     check_ldflags -wd10156,11030
3696     # Allow to compile with optimizations
3697     check_ldflags -march=$cpu
3698     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3699     enable ebp_available
3700     if enabled x86_32; then
3701         icc_version=$($cc -dumpversion)
3702         test ${icc_version%%.*} -ge 11 &&
3703             check_cflags -falign-stack=maintain-16-byte ||
3704             disable aligned_stack
3705     fi
3706 elif enabled ccc; then
3707     # disable some annoying warnings
3708     add_cflags -msg_disable cvtu32to64
3709     add_cflags -msg_disable embedcomment
3710     add_cflags -msg_disable needconstext
3711     add_cflags -msg_disable nomainieee
3712     add_cflags -msg_disable ptrmismatch1
3713     add_cflags -msg_disable unreachcode
3714 elif enabled gcc; then
3715     check_cflags -fno-tree-vectorize
3716     check_cflags -Werror=implicit-function-declaration
3717     check_cflags -Werror=missing-prototypes
3718 elif enabled llvm_gcc; then
3719     check_cflags -mllvm -stack-alignment=16
3720 elif enabled clang; then
3721     check_cflags -mllvm -stack-alignment=16
3722     check_cflags -Qunused-arguments
3723 elif enabled armcc; then
3724     # 2523: use of inline assembler is deprecated
3725     add_cflags -W${armcc_opt},--diag_suppress=2523
3726     add_cflags -W${armcc_opt},--diag_suppress=1207
3727     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3728     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3729     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3730     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3731 elif enabled tms470; then
3732     add_cflags -pds=824 -pds=837
3733 elif enabled pathscale; then
3734     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3735 fi
3736
3737 enabled_any $THREADS_LIST      && enable threads
3738
3739 check_deps $CONFIG_LIST       \
3740            $CONFIG_EXTRA      \
3741            $HAVE_LIST         \
3742            $ALL_COMPONENTS    \
3743            $ALL_TESTS         \
3744
3745 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3746
3747 if test $target_os = "haiku"; then
3748     disable memalign
3749     disable posix_memalign
3750 fi
3751
3752 ! enabled_any memalign posix_memalign aligned_malloc &&
3753     enabled_any $need_memalign && enable memalign_hack
3754
3755 # add_dep lib dep
3756 # -> enable ${lib}_deps_${dep}
3757 # -> add $dep to ${lib}_deps only once
3758 add_dep() {
3759     lib=$1
3760     dep=$2
3761     enabled "${lib}_deps_${dep}" && return 0
3762     enable  "${lib}_deps_${dep}"
3763     prepend "${lib}_deps" $dep
3764 }
3765
3766 # merge deps lib components
3767 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
3768 merge_deps() {
3769     lib=$1
3770     shift
3771     for comp in $*; do
3772         enabled $comp || continue
3773         eval "dep=\"\$${comp}_deps\""
3774         for d in $dep; do
3775             add_dep $lib $d
3776         done
3777     done
3778 }
3779
3780 merge_deps libavfilter $FILTER_LIST
3781
3782 echo "install prefix            $prefix"
3783 echo "source path               $source_path"
3784 echo "C compiler                $cc"
3785 echo "ARCH                      $arch ($cpu)"
3786 if test "$build_suffix" != ""; then
3787     echo "build suffix              $build_suffix"
3788 fi
3789 if test "$progs_suffix" != ""; then
3790     echo "progs suffix              $progs_suffix"
3791 fi
3792 if test "$extra_version" != ""; then
3793     echo "version string suffix     $extra_version"
3794 fi
3795 echo "big-endian                ${bigendian-no}"
3796 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3797 if enabled x86; then
3798     echo "${yasmexe}                      ${yasm-no}"
3799     echo "MMX enabled               ${mmx-no}"
3800     echo "MMXEXT enabled            ${mmxext-no}"
3801     echo "3DNow! enabled            ${amd3dnow-no}"
3802     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3803     echo "SSE enabled               ${sse-no}"
3804     echo "SSSE3 enabled             ${ssse3-no}"
3805     echo "AVX enabled               ${avx-no}"
3806     echo "FMA4 enabled              ${fma4-no}"
3807     echo "CMOV enabled              ${cmov-no}"
3808     echo "CMOV is fast              ${fast_cmov-no}"
3809     echo "EBX available             ${ebx_available-no}"
3810     echo "EBP available             ${ebp_available-no}"
3811 fi
3812 if enabled arm; then
3813     echo "ARMv5TE enabled           ${armv5te-no}"
3814     echo "ARMv6 enabled             ${armv6-no}"
3815     echo "ARMv6T2 enabled           ${armv6t2-no}"
3816     echo "ARM VFP enabled           ${armvfp-no}"
3817     echo "NEON enabled              ${neon-no}"
3818 fi
3819 if enabled mips; then
3820     echo "MMI enabled               ${mmi-no}"
3821     echo "MIPS FPU enabled          ${mipsfpu-no}"
3822     echo "MIPS32R2 enabled          ${mips32r2-no}"
3823     echo "MIPS DSP R1 enabled       ${mipsdspr1-no}"
3824     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"
3825 fi
3826 if enabled ppc; then
3827     echo "AltiVec enabled           ${altivec-no}"
3828     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3829     echo "dcbzl available           ${dcbzl-no}"
3830 fi
3831 if enabled sparc; then
3832     echo "VIS enabled               ${vis-no}"
3833 fi
3834 echo "debug symbols             ${debug-no}"
3835 echo "strip symbols             ${stripping-no}"
3836 echo "optimize for size         ${small-no}"
3837 echo "optimizations             ${optimizations-no}"
3838 echo "static                    ${static-no}"
3839 echo "shared                    ${shared-no}"
3840 echo "postprocessing support    ${postproc-no}"
3841 echo "new filter support        ${avfilter-no}"
3842 echo "network support           ${network-no}"
3843 echo "threading support         ${thread_type-no}"
3844 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
3845 echo "SDL support               ${sdl-no}"
3846 echo "libdxva2 enabled          ${dxva2-no}"
3847 echo "libva enabled             ${vaapi-no}"
3848 echo "libvdpau enabled          ${vdpau-no}"
3849 echo "AVISynth enabled          ${avisynth-no}"
3850 echo "frei0r enabled            ${frei0r-no}"
3851 echo "gnutls enabled            ${gnutls-no}"
3852 echo "libaacplus enabled        ${libaacplus-no}"
3853 echo "libass enabled            ${libass-no}"
3854 echo "libcaca enabled           ${libcaca-no}"
3855 echo "libcdio support           ${libcdio-no}"
3856 echo "libcelt enabled           ${libcelt-no}"
3857 echo "libdc1394 support         ${libdc1394-no}"
3858 echo "libfaac enabled           ${libfaac-no}"
3859 echo "libfdk-aac enabled        ${libfdk_aac-no}"
3860 echo "libgsm enabled            ${libgsm-no}"
3861 echo "libiec61883 support       ${libiec61883-no}"
3862 echo "libilbc enabled           ${libilbc-no}"
3863 echo "libmodplug enabled        ${libmodplug-no}"
3864 echo "libmp3lame enabled        ${libmp3lame-no}"
3865 echo "libnut enabled            ${libnut-no}"
3866 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3867 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3868 echo "libopencv support         ${libopencv-no}"
3869 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3870 echo "libopus enabled           ${libopus-no}"
3871 echo "libpulse enabled          ${libpulse-no}"
3872 echo "librtmp enabled           ${librtmp-no}"
3873 echo "libschroedinger enabled   ${libschroedinger-no}"
3874 echo "libspeex enabled          ${libspeex-no}"
3875 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
3876 echo "libtheora enabled         ${libtheora-no}"
3877 echo "libtwolame enabled        ${libtwolame-no}"
3878 echo "libutvideo enabled        ${libutvideo-no}"
3879 echo "libv4l2 enabled           ${libv4l2-no}"
3880 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3881 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3882 echo "libvorbis enabled         ${libvorbis-no}"
3883 echo "libvpx enabled            ${libvpx-no}"
3884 echo "libx264 enabled           ${libx264-no}"
3885 echo "libxavs enabled           ${libxavs-no}"
3886 echo "libxvid enabled           ${libxvid-no}"
3887 echo "openal enabled            ${openal-no}"
3888 echo "openssl enabled           ${openssl-no}"
3889 echo "zlib enabled              ${zlib-no}"
3890 echo "bzlib enabled             ${bzlib-no}"
3891 echo "texi2html enabled         ${texi2html-no}"
3892 echo "perl enabled              ${perl-no}"
3893 echo "pod2man enabled           ${pod2man-no}"
3894 echo "makeinfo enabled          ${makeinfo-no}"
3895 test -n "$random_seed" &&
3896     echo "random seed               ${random_seed}"
3897 echo
3898
3899 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3900     echo "Enabled ${type}s:"
3901     eval list=\$$(toupper $type)_LIST
3902     print_enabled '_*' $list | sort | pr -r -3 -t
3903     echo
3904 done
3905
3906 license="LGPL version 2.1 or later"
3907 if enabled nonfree; then
3908     license="nonfree and unredistributable"
3909 elif enabled gplv3; then
3910     license="GPL version 3 or later"
3911 elif enabled lgplv3; then
3912     license="LGPL version 3 or later"
3913 elif enabled gpl; then
3914     license="GPL version 2 or later"
3915 fi
3916
3917 echo "License: $license"
3918
3919 echo "Creating config.mak and config.h..."
3920
3921 test -e Makefile || $ln_s "$source_path/Makefile" .
3922
3923 enabled stripping || strip="echo skipping strip"
3924
3925 config_files="$TMPH config.mak"
3926
3927 cat > config.mak <<EOF
3928 # Automatically generated by configure - do not modify!
3929 ifndef FFMPEG_CONFIG_MAK
3930 FFMPEG_CONFIG_MAK=1
3931 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3932 prefix=$prefix
3933 LIBDIR=\$(DESTDIR)$libdir
3934 SHLIBDIR=\$(DESTDIR)$shlibdir
3935 INCDIR=\$(DESTDIR)$incdir
3936 BINDIR=\$(DESTDIR)$bindir
3937 DATADIR=\$(DESTDIR)$datadir
3938 MANDIR=\$(DESTDIR)$mandir
3939 SRC_PATH=$source_path
3940 ifndef MAIN_MAKEFILE
3941 SRC_PATH:=\$(SRC_PATH:.%=..%)
3942 endif
3943 CC_IDENT=$cc_ident
3944 ARCH=$arch
3945 CC=$cc
3946 CXX=$cxx
3947 AS=$as
3948 LD=$ld
3949 DEPCC=$dep_cc
3950 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
3951 DEPAS=$as
3952 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
3953 YASM=$yasmexe
3954 DEPYASM=$yasmexe
3955 AR=$ar
3956 RANLIB=$ranlib
3957 CP=cp -p
3958 LN_S=$ln_s
3959 STRIP=$strip
3960 CPPFLAGS=$CPPFLAGS
3961 CFLAGS=$CFLAGS
3962 CXXFLAGS=$CXXFLAGS
3963 ASFLAGS=$ASFLAGS
3964 AS_C=$AS_C
3965 AS_O=$AS_O
3966 CC_C=$CC_C
3967 CC_O=$CC_O
3968 CXX_C=$CXX_C
3969 CXX_O=$CXX_O
3970 LD_O=$LD_O
3971 DLLTOOL=$dlltool
3972 LDFLAGS=$LDFLAGS
3973 LDFLAGS-ffserver=$FFSERVERLDFLAGS
3974 SHFLAGS=$SHFLAGS
3975 YASMFLAGS=$YASMFLAGS
3976 BUILDSUF=$build_suffix
3977 PROGSSUF=$progs_suffix
3978 FULLNAME=$FULLNAME
3979 LIBPREF=$LIBPREF
3980 LIBSUF=$LIBSUF
3981 LIBNAME=$LIBNAME
3982 SLIBPREF=$SLIBPREF
3983 SLIBSUF=$SLIBSUF
3984 EXESUF=$EXESUF
3985 EXTRA_VERSION=$extra_version
3986 CCDEP=$CCDEP
3987 CXXDEP=$CXXDEP
3988 CCDEP_FLAGS=$CCDEP_FLAGS
3989 ASDEP=$ASDEP
3990 ASDEP_FLAGS=$ASDEP_FLAGS
3991 CC_DEPFLAGS=$CC_DEPFLAGS
3992 AS_DEPFLAGS=$AS_DEPFLAGS
3993 HOSTCC=$host_cc
3994 HOSTCFLAGS=$host_cflags
3995 HOSTEXESUF=$HOSTEXESUF
3996 HOSTLDFLAGS=$host_ldflags
3997 HOSTLIBS=$host_libs
3998 DEPHOSTCC=$host_cc
3999 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
4000 HOSTCCDEP=$HOSTCCDEP
4001 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
4002 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
4003 HOSTCC_C=$HOSTCC_C
4004 HOSTCC_O=$HOSTCC_O
4005 TARGET_EXEC=$target_exec
4006 TARGET_PATH=$target_path
4007 LIBS-ffplay=$sdl_libs
4008 CFLAGS-ffplay=$sdl_cflags
4009 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
4010 EXTRALIBS=$extralibs
4011 INSTALL=$install
4012 LIBTARGET=${LIBTARGET}
4013 SLIBNAME=${SLIBNAME}
4014 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
4015 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
4016 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
4017 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
4018 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
4019 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
4020 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
4021 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
4022 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
4023 NOREDZONE_FLAGS=$noredzone_flags
4024 EOF
4025
4026 get_version(){
4027     lcname=$1
4028     name=$(toupper $lcname)
4029     file=$source_path/$lcname/version.h
4030     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
4031     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4032     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4033     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4034 }
4035
4036 get_version_old(){
4037     name=$1
4038     file=$source_path/$2
4039 # This condition will be removed when we stop supporting old libpostproc versions
4040 if ! test "$name" = LIBPOSTPROC || test "$postproc_version" = current; then
4041     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
4042     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4043 fi
4044     lcname=$(tolower $name)
4045     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4046     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4047 }
4048
4049 get_version_old LIBPOSTPROC libpostproc/postprocess.h
4050 get_version_old LIBSWRESAMPLE libswresample/swresample.h
4051
4052 get_version libavcodec
4053 get_version libavdevice
4054 get_version libavfilter
4055 get_version libavformat
4056 get_version libavresample
4057 get_version libavutil
4058 get_version libswscale
4059
4060 cat > $TMPH <<EOF
4061 /* Automatically generated by configure - do not modify! */
4062 #ifndef FFMPEG_CONFIG_H
4063 #define FFMPEG_CONFIG_H
4064 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
4065 #define FFMPEG_LICENSE "$(c_escape $license)"
4066 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
4067 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
4068 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
4069 #define av_restrict $_restrict
4070 #define EXTERN_PREFIX "${extern_prefix}"
4071 #define EXTERN_ASM ${extern_prefix}
4072 #define SLIBSUF "$SLIBSUF"
4073 #define HAVE_MMX2 HAVE_MMXEXT
4074 EOF
4075
4076 test -n "$assert_level" &&
4077     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
4078
4079 test -n "$malloc_prefix" &&
4080     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
4081
4082 if enabled yasm; then
4083     append config_files $TMPASM
4084     printf '' >$TMPASM
4085 fi
4086
4087 print_config ARCH_   "$config_files" $ARCH_LIST
4088 print_config HAVE_   "$config_files" $HAVE_LIST
4089 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
4090                                      $CONFIG_EXTRA      \
4091                                      $ALL_COMPONENTS    \
4092
4093 cat >>config.mak <<EOF
4094 LAVF_FATE_TESTS=$(print_enabled -n _test $LAVF_FATE_TESTS)
4095 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
4096 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
4097 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
4098 EOF
4099
4100 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
4101 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
4102
4103 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
4104 cp_if_changed $TMPH config.h
4105 touch .config
4106
4107 enabled yasm && cp_if_changed $TMPASM config.asm
4108
4109 cat > $TMPH <<EOF
4110 /* Generated by ffconf */
4111 #ifndef AVUTIL_AVCONFIG_H
4112 #define AVUTIL_AVCONFIG_H
4113 EOF
4114
4115 test "$postproc_version" != current && cat >> $TMPH <<EOF
4116 #define LIBPOSTPROC_VERSION_MAJOR $LIBPOSTPROC_VERSION_MAJOR
4117 #define LIBPOSTPROC_VERSION_MINOR $LIBPOSTPROC_VERSION_MINOR
4118 #define LIBPOSTPROC_VERSION_MICRO $LIBPOSTPROC_VERSION_MICRO
4119 EOF
4120
4121 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
4122
4123 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
4124
4125 cp_if_changed $TMPH libavutil/avconfig.h
4126
4127 test -n "$WARNINGS" && printf "\n$WARNINGS"
4128
4129 # build pkg-config files
4130
4131 pkgconfig_generate(){
4132 name=$1
4133 shortname=${name#lib}${build_suffix}
4134 comment=$2
4135 version=$3
4136 libs=$4
4137 requires=$5
4138 enabled ${name#lib} || return 0
4139 mkdir -p $name
4140 cat <<EOF > $name/$name.pc
4141 prefix=$prefix
4142 exec_prefix=\${prefix}
4143 libdir=$libdir
4144 includedir=$incdir
4145
4146 Name: $name
4147 Description: $comment
4148 Version: $version
4149 Requires: $(enabled shared || echo $requires)
4150 Requires.private: $(enabled shared && echo $requires)
4151 Conflicts:
4152 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4153 Libs.private: $(enabled shared && echo $libs)
4154 Cflags: -I\${includedir}
4155 EOF
4156
4157 mkdir -p doc/examples/pc-uninstalled
4158 includedir=${source_path}
4159 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
4160 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
4161 prefix=
4162 exec_prefix=
4163 libdir=\${pcfiledir}/../../../$name
4164 includedir=${includedir}
4165
4166 Name: $name
4167 Description: $comment
4168 Version: $version
4169 Requires: $requires
4170 Conflicts:
4171 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4172 Cflags: -I\${includedir}
4173 EOF
4174 }
4175
4176 libavfilter_pc_deps=""
4177 enabled libavfilter_deps_avcodec    && prepend libavfilter_pc_deps "libavcodec = $LIBAVCODEC_VERSION,"
4178 enabled libavfilter_deps_avformat   && prepend libavfilter_pc_deps "libavformat = $LIBAVFORMAT_VERSION,"
4179 enabled libavfilter_deps_swscale    && prepend libavfilter_pc_deps "libswscale = $LIBSWSCALE_VERSION,"
4180 enabled libavfilter_deps_swresample && prepend libavfilter_pc_deps "libswresample = $LIBSWRESAMPLE_VERSION,"
4181 enabled libavfilter_deps_postproc   && prepend libavfilter_pc_deps "libpostproc = $LIBPOSTPROC_VERSION,"
4182 libavfilter_pc_deps=${libavfilter_pc_deps%, }
4183
4184 libavdevice_pc_deps="libavformat = $LIBAVFORMAT_VERSION"
4185 enabled lavfi_indev && prepend libavdevice_pc_deps "libavfilter = $LIBAVFILTER_VERSION,"
4186
4187 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
4188 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
4189 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
4190 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$libavdevice_pc_deps"
4191 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$libavfilter_pc_deps"
4192 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
4193 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
4194 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
4195 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"