e9f98c1b5918ad896b27ce1aa8948276fb452a62
[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 [$target_os]
233   --target-exec=CMD        command to run executables on target
234   --target-path=DIR        path to view of build directory on target
235   --toolchain=NAME         set tool defaults according to NAME
236   --nm=NM                  use nm tool NM [$nm_default]
237   --ar=AR                  use archive tool AR [$ar_default]
238   --as=AS                  use assembler AS [$as_default]
239   --yasmexe=EXE            use yasm-compatible assembler EXE [$yasmexe_default]
240   --cc=CC                  use C compiler CC [$cc_default]
241   --cxx=CXX                use C compiler CXX [$cxx_default]
242   --dep-cc=DEPCC           use dependency generator DEPCC [$cc_default]
243   --ld=LD                  use linker LD [$ld_default]
244   --host-cc=HOSTCC         use host C compiler HOSTCC
245   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
246   --host-ld=HOSTLD         use host linker HOSTLD
247   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
248   --host-libs=HLIBS        use libs HLIBS when linking for host
249   --host-os=OS             compiler host OS [$target_os]
250   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
251   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
252   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
253   --extra-libs=ELIBS       add ELIBS [$ELIBS]
254   --extra-version=STRING   version string suffix []
255   --optflags=OPTFLAGS      override optimization-related compiler flags
256   --build-suffix=SUFFIX    library name suffix []
257   --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX
258   --progs-suffix=SUFFIX    program name suffix []
259   --arch=ARCH              select architecture [$arch]
260   --cpu=CPU                select the minimum required CPU (affects
261                            instruction selection, may crash on older CPUs)
262   --enable-pic             build position-independent code
263   --enable-sram            allow use of on-chip SRAM
264   --enable-thumb           compile for Thumb instruction set
265   --disable-symver         disable symbol versioning
266   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
267   --disable-safe-bitstream-reader
268                            disable buffer boundary checking in bitreaders
269                            (faster, but may crash)
270   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
271
272 Optimization options (experts only):
273   --disable-asm            disable all assembler optimizations
274   --disable-altivec        disable AltiVec optimizations
275   --disable-amd3dnow       disable 3DNow! optimizations
276   --disable-amd3dnowext    disable 3DNow! extended optimizations
277   --disable-mmx            disable MMX optimizations
278   --disable-mmxext         disable MMXEXT optimizations
279   --disable-sse            disable SSE optimizations
280   --disable-sse2           disable SSE2 optimizations
281   --disable-sse3           disable SSE3 optimizations
282   --disable-ssse3          disable SSSE3 optimizations
283   --disable-sse4           disable SSE4 optimizations
284   --disable-sse42          disable SSE4.2 optimizations
285   --disable-avx            disable AVX optimizations
286   --disable-fma4           disable FMA4 optimizations
287   --disable-armv5te        disable armv5te optimizations
288   --disable-armv6          disable armv6 optimizations
289   --disable-armv6t2        disable armv6t2 optimizations
290   --disable-armvfp         disable ARM VFP optimizations
291   --disable-mmi            disable MMI optimizations
292   --disable-neon           disable NEON optimizations
293   --disable-vis            disable VIS optimizations
294   --disable-inline-asm     disable use of inline assembler
295   --disable-yasm           disable use of yasm assembler
296   --disable-mips32r2       disable MIPS32R2 optimizations
297   --disable-mipsdspr1      disable MIPS DSP ASE R1 optimizations
298   --disable-mipsdspr2      disable MIPS DSP ASE R2 optimizations
299   --disable-mipsfpu        disable floating point MIPS optimizations
300   --disable-fast-unaligned consider unaligned accesses slow
301   --postproc-version=V     build libpostproc version V.
302                            Where V can be '$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO' or 'current'. [$postproc_version_default]
303
304 Developer options (useful when working on FFmpeg itself):
305   --enable-coverage        build with test coverage instrumentation
306   --disable-debug          disable debugging symbols
307   --enable-debug=LEVEL     set the debug level [$debuglevel]
308   --disable-optimizations  disable compiler optimizations
309   --enable-extra-warnings  enable more compiler warnings
310   --disable-stripping      disable stripping of executables and shared libraries
311   --assert-level=level     0(default), 1 or 2, amount of assertion testing,
312                            2 causes a slowdown at runtime.
313   --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
314   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory
315                            leaks and errors, using the specified valgrind binary.
316                            Cannot be combined with --target-exec
317   --samples=PATH           location of test samples for FATE, if not set use
318                            \$FATE_SAMPLES at make invocation time.
319   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
320                            should be used only for debugging purposes)
321   --enable-random          randomly enable/disable components
322   --disable-random
323   --enable-random=LIST     randomly enable/disable specific components or
324   --disable-random=LIST    component groups. LIST is a comma-separated list
325                            of NAME[:PROB] entries where NAME is a component
326                            (group) and PROB the probability associated with
327                            NAME (default 0.5).
328   --random-seed=VALUE      seed value for --enable/disable-random
329
330 NOTE: Object files are built at the place where configure is launched.
331 EOF
332   exit 0
333 }
334
335 quotes='""'
336
337 log(){
338     echo "$@" >> $logfile
339 }
340
341 log_file(){
342     log BEGIN $1
343     pr -n -t $1 >> $logfile
344     log END $1
345 }
346
347 echolog(){
348     log "$@"
349     echo "$@"
350 }
351
352 warn(){
353     log "WARNING: $*"
354     WARNINGS="${WARNINGS}WARNING: $*\n"
355 }
356
357 die(){
358     echolog "$@"
359     cat <<EOF
360
361 If you think configure made a mistake, make sure you are using the latest
362 version from Git.  If the latest version fails, report the problem to the
363 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
364 EOF
365     if disabled logging; then
366         cat <<EOF
367 Rerun configure with logging enabled (do not use --disable-logging), and
368 include the log this produces with your report.
369 EOF
370     else
371         cat <<EOF
372 Include the log file "$logfile" produced by configure as this will help
373 solving the problem.
374 EOF
375     fi
376     exit 1
377 }
378
379 # Avoid locale weirdness, besides we really just want to translate ASCII.
380 toupper(){
381     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
382 }
383
384 tolower(){
385     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
386 }
387
388 c_escape(){
389     echo "$*" | sed 's/["\\]/\\\0/g'
390 }
391
392 sh_quote(){
393     v=$(echo "$1" | sed "s/'/'\\\\''/g")
394     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
395     echo "$v"
396 }
397
398 cleanws(){
399     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
400 }
401
402 filter(){
403     pat=$1
404     shift
405     for v; do
406         eval "case $v in $pat) echo $v ;; esac"
407     done
408 }
409
410 filter_out(){
411     pat=$1
412     shift
413     for v; do
414         eval "case $v in $pat) ;; *) echo $v ;; esac"
415     done
416 }
417
418 map(){
419     m=$1
420     shift
421     for v; do eval $m; done
422 }
423
424 add_suffix(){
425     suffix=$1
426     shift
427     for v; do echo ${v}${suffix}; done
428 }
429
430 set_all(){
431     value=$1
432     shift
433     for var in $*; do
434         eval $var=$value
435     done
436 }
437
438 set_weak(){
439     value=$1
440     shift
441     for var; do
442         eval : \${$var:=$value}
443     done
444 }
445
446 set_safe(){
447     var=$1
448     shift
449     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
450 }
451
452 get_safe(){
453     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
454 }
455
456 pushvar(){
457     for var in $*; do
458         eval level=\${${var}_level:=0}
459         eval ${var}_${level}="\$$var"
460         eval ${var}_level=$(($level+1))
461     done
462 }
463
464 popvar(){
465     for var in $*; do
466         eval level=\${${var}_level:-0}
467         test $level = 0 && continue
468         eval level=$(($level-1))
469         eval $var="\${${var}_${level}}"
470         eval ${var}_level=$level
471         eval unset ${var}_${level}
472     done
473 }
474
475 enable(){
476     set_all yes $*
477 }
478
479 disable(){
480     set_all no $*
481 }
482
483 enable_weak(){
484     set_weak yes $*
485 }
486
487 disable_weak(){
488     set_weak no $*
489 }
490
491 enable_safe(){
492     for var; do
493         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
494     done
495 }
496
497 disable_safe(){
498     for var; do
499         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
500     done
501 }
502
503 do_enable_deep(){
504     for var; do
505         enabled $var && continue
506         eval sel="\$${var}_select"
507         eval sgs="\$${var}_suggest"
508         pushvar var sgs
509         enable_deep $sel
510         popvar sgs
511         enable_deep_weak $sgs
512         popvar var
513     done
514 }
515
516 enable_deep(){
517     do_enable_deep $*
518     enable $*
519 }
520
521 enable_deep_weak(){
522     do_enable_deep $*
523     enable_weak $*
524 }
525
526 enabled(){
527     test "${1#!}" = "$1" && op== || op=!=
528     eval test "x\$${1#!}" $op "xyes"
529 }
530
531 disabled(){
532     test "${1#!}" = "$1" && op== || op=!=
533     eval test "x\$${1#!}" $op "xno"
534 }
535
536 enabled_all(){
537     for opt; do
538         enabled $opt || return 1
539     done
540 }
541
542 disabled_all(){
543     for opt; do
544         disabled $opt || return 1
545     done
546 }
547
548 enabled_any(){
549     for opt; do
550         enabled $opt && return 0
551     done
552 }
553
554 disabled_any(){
555     for opt; do
556         disabled $opt && return 0
557     done
558     return 1
559 }
560
561 set_default(){
562     for opt; do
563         eval : \${$opt:=\$${opt}_default}
564     done
565 }
566
567 is_in(){
568     value=$1
569     shift
570     for var in $*; do
571         [ $var = $value ] && return 0
572     done
573     return 1
574 }
575
576 check_deps(){
577     for cfg; do
578         cfg="${cfg#!}"
579         enabled ${cfg}_checking && die "Circular dependency for $cfg."
580         disabled ${cfg}_checking && continue
581         enable ${cfg}_checking
582
583         eval dep_all="\$${cfg}_deps"
584         eval dep_any="\$${cfg}_deps_any"
585         eval dep_sel="\$${cfg}_select"
586         eval dep_sgs="\$${cfg}_suggest"
587         eval dep_ifa="\$${cfg}_if"
588         eval dep_ifn="\$${cfg}_if_any"
589
590         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
591         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
592         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
593
594         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
595         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
596         enabled_all  $dep_all || disable $cfg
597         enabled_any  $dep_any || disable $cfg
598         disabled_any $dep_sel && disable $cfg
599
600         if enabled $cfg; then
601             eval dep_extralibs="\$${cfg}_extralibs"
602             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
603             enable_deep $dep_sel
604             enable_deep_weak $dep_sgs
605         fi
606
607         disable ${cfg}_checking
608     done
609 }
610
611 print_config_h(){
612     enabled $1 && v=1 || v=0
613     echo "#define $2 $v"
614 }
615
616 print_config_mak(){
617     enabled $1 && v= || v=!
618     echo "$v$2=yes"
619 }
620
621 print_config_asm(){
622     enabled $1 && v=1 || v=0
623     echo "%define $2 $v"
624 }
625
626 print_config(){
627     pfx=$1
628     files=$2
629     shift 2
630     for cfg; do
631         ucname="$(toupper $cfg)"
632         for f in $files; do
633             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
634         done
635     done
636 }
637
638 print_enabled(){
639     test "$1" = -n && end=" " && shift || end="\n"
640     suf=$1
641     shift
642     for v; do
643         enabled $v && printf "%s$end" ${v%$suf};
644     done
645 }
646
647 append(){
648     var=$1
649     shift
650     eval "$var=\"\$$var $*\""
651 }
652
653 prepend(){
654     var=$1
655     shift
656     eval "$var=\"$* \$$var\""
657 }
658
659 add_cppflags(){
660     append CPPFLAGS "$@"
661 }
662
663 add_cflags(){
664     append CFLAGS $($cflags_filter "$@")
665 }
666
667 add_cxxflags(){
668     append CXXFLAGS $($cflags_filter "$@")
669 }
670
671 add_asflags(){
672     append ASFLAGS $($asflags_filter "$@")
673 }
674
675 add_ldflags(){
676     append LDFLAGS $($ldflags_filter "$@")
677 }
678
679 add_extralibs(){
680     prepend extralibs $($ldflags_filter "$@")
681 }
682
683 add_host_cflags(){
684     append host_cflags $($host_cflags_filter "$@")
685 }
686
687 add_host_ldflags(){
688     append host_ldflags $($host_ldflags_filter "$@")
689 }
690
691 check_cmd(){
692     log "$@"
693     "$@" >> $logfile 2>&1
694 }
695
696 cc_o(){
697     eval printf '%s\\n' $CC_O
698 }
699
700 cc_e(){
701     eval printf '%s\\n' $CC_E
702 }
703
704 check_cc(){
705     log check_cc "$@"
706     cat > $TMPC
707     log_file $TMPC
708     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
709 }
710
711 check_cxx(){
712     log check_cxx "$@"
713     cat > $TMPCPP
714     log_file $TMPCPP
715     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
716 }
717
718 check_cpp(){
719     log check_cpp "$@"
720     cat > $TMPC
721     log_file $TMPC
722     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
723 }
724
725 as_o(){
726     eval printf '%s\\n' $AS_O
727 }
728
729 check_as(){
730     log check_as "$@"
731     cat > $TMPC
732     log_file $TMPC
733     check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPC
734 }
735
736 check_inline_asm(){
737     log check_inline_asm "$@"
738     name="$1"
739     code="$2"
740     shift 2
741     disable $name
742     check_as "$@" <<EOF && enable $name
743 void foo(void){ __asm__ volatile($code); }
744 EOF
745 }
746
747 check_yasm(){
748     log check_yasm "$@"
749     echo "$1" > $TMPS
750     log_file $TMPS
751     shift 1
752     check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
753 }
754
755 ld_o(){
756     eval printf '%s\\n' $LD_O
757 }
758
759 check_ld(){
760     log check_ld "$@"
761     type=$1
762     shift 1
763     flags=''
764     libs=''
765     for f; do
766         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
767     done
768     check_$type $($cflags_filter $flags) || return
769     flags=$($ldflags_filter $flags)
770     libs=$($ldflags_filter $libs)
771     check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
772 }
773
774 check_code(){
775     log check_code "$@"
776     check=$1
777     headers=$2
778     code=$3
779     shift 3
780     {
781         for hdr in $headers; do
782             echo "#include <$hdr>"
783         done
784         echo "int main(void) { $code; return 0; }"
785     } | check_$check "$@"
786 }
787
788 check_cppflags(){
789     log check_cppflags "$@"
790     check_cc "$@" <<EOF && append CPPFLAGS "$@"
791 int x;
792 EOF
793 }
794
795 check_cflags(){
796     log check_cflags "$@"
797     set -- $($cflags_filter "$@")
798     check_cc "$@" <<EOF && append CFLAGS "$@"
799 int x;
800 EOF
801 }
802
803 check_cxxflags(){
804     log check_cxxflags "$@"
805     set -- $($cflags_filter "$@")
806     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
807 int x;
808 EOF
809 }
810
811 test_ldflags(){
812     log test_ldflags "$@"
813     check_ld "cc" "$@" <<EOF
814 int main(void){ return 0; }
815 EOF
816 }
817
818 check_ldflags(){
819     log check_ldflags "$@"
820     test_ldflags "$@" && add_ldflags "$@"
821 }
822
823 check_header(){
824     log check_header "$@"
825     header=$1
826     shift
827     disable_safe $header
828     check_cpp "$@" <<EOF && enable_safe $header
829 #include <$header>
830 int x;
831 EOF
832 }
833
834 check_func(){
835     log check_func "$@"
836     func=$1
837     shift
838     disable $func
839     check_ld "cc" "$@" <<EOF && enable $func
840 extern int $func();
841 int main(void){ $func(); }
842 EOF
843 }
844
845 check_mathfunc(){
846     log check_mathfunc "$@"
847     func=$1
848     shift
849     disable $func
850     check_ld "cc" "$@" <<EOF && enable $func
851 #include <math.h>
852 float foo(float f) { return $func(f); }
853 int main(void){ return (int) foo; }
854 EOF
855 }
856
857 check_func_headers(){
858     log check_func_headers "$@"
859     headers=$1
860     funcs=$2
861     shift 2
862     {
863         for hdr in $headers; do
864             echo "#include <$hdr>"
865         done
866         for func in $funcs; do
867             echo "long check_$func(void) { return (long) $func; }"
868         done
869         echo "int main(void) { return 0; }"
870     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
871 }
872
873 check_class_headers_cpp(){
874     log check_class_headers_cpp "$@"
875     headers=$1
876     classes=$2
877     shift 2
878     {
879         for hdr in $headers; do
880             echo "#include <$hdr>"
881         done
882         echo "int main(void) { "
883         i=1
884         for class in $classes; do
885             echo "$class obj$i;"
886             i=$(expr $i + 1)
887         done
888         echo "return 0; }"
889     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
890 }
891
892 check_cpp_condition(){
893     log check_cpp_condition "$@"
894     header=$1
895     condition=$2
896     shift 2
897     check_cpp "$@" <<EOF
898 #include <$header>
899 #if !($condition)
900 #error "unsatisfied condition: $condition"
901 #endif
902 EOF
903 }
904
905 check_lib(){
906     log check_lib "$@"
907     header="$1"
908     func="$2"
909     shift 2
910     check_header $header && check_func $func "$@" && add_extralibs "$@"
911 }
912
913 check_lib2(){
914     log check_lib2 "$@"
915     headers="$1"
916     funcs="$2"
917     shift 2
918     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
919 }
920
921 check_lib_cpp(){
922     log check_lib_cpp "$@"
923     headers="$1"
924     classes="$2"
925     shift 2
926     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
927 }
928
929 check_pkg_config(){
930     log check_pkg_config "$@"
931     pkg="$1"
932     headers="$2"
933     funcs="$3"
934     shift 3
935     $pkg_config --exists $pkg 2>/dev/null || return
936     pkg_cflags=$($pkg_config --cflags $pkg)
937     pkg_libs=$($pkg_config --libs $pkg)
938     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
939         set_safe ${pkg}_cflags $pkg_cflags   &&
940         set_safe ${pkg}_libs   $pkg_libs
941 }
942
943 check_exec(){
944     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
945 }
946
947 check_exec_crash(){
948     code=$(cat)
949
950     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
951     # are safe but may not be available everywhere.  Thus we use
952     # raise(SIGTERM) instead.  The check is run in a subshell so we
953     # can redirect the "Terminated" message from the shell.  SIGBUS
954     # is not defined by standard C so it is used conditionally.
955
956     (check_exec "$@") >> $logfile 2>&1 <<EOF
957 #include <signal.h>
958 static void sighandler(int sig){
959     raise(SIGTERM);
960 }
961 int func(void){
962     $code
963 }
964 int (*func_ptr)(void) = func;
965 int main(void){
966     signal(SIGILL, sighandler);
967     signal(SIGFPE, sighandler);
968     signal(SIGSEGV, sighandler);
969 #ifdef SIGBUS
970     signal(SIGBUS, sighandler);
971 #endif
972     return func_ptr();
973 }
974 EOF
975 }
976
977 check_type(){
978     log check_type "$@"
979     headers=$1
980     type=$2
981     shift 2
982     disable_safe "$type"
983     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
984 }
985
986 check_struct(){
987     log check_type "$@"
988     headers=$1
989     struct=$2
990     member=$3
991     shift 3
992     disable_safe "${struct}_${member}"
993     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
994         enable_safe "${struct}_${member}"
995 }
996
997 require(){
998     name="$1"
999     header="$2"
1000     func="$3"
1001     shift 3
1002     check_lib $header $func "$@" || die "ERROR: $name not found"
1003 }
1004
1005 require2(){
1006     name="$1"
1007     headers="$2"
1008     func="$3"
1009     shift 3
1010     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1011 }
1012
1013 require_cpp(){
1014     name="$1"
1015     headers="$2"
1016     classes="$3"
1017     shift 3
1018     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1019 }
1020
1021 require_pkg_config(){
1022     pkg="$1"
1023     check_pkg_config "$@" || die "ERROR: $pkg not found"
1024     add_cflags    $(get_safe ${pkg}_cflags)
1025     add_extralibs $(get_safe ${pkg}_libs)
1026 }
1027
1028 hostcc_o(){
1029     eval printf '%s\\n' $HOSTCC_O
1030 }
1031
1032 check_host_cc(){
1033     log check_host_cc "$@"
1034     cat > $TMPC
1035     log_file $TMPC
1036     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1037 }
1038
1039 check_host_cflags(){
1040     log check_host_cflags "$@"
1041     set -- $($host_cflags_filter "$@")
1042     check_host_cc "$@" <<EOF && append host_cflags "$@"
1043 int x;
1044 EOF
1045 }
1046
1047 apply(){
1048     file=$1
1049     shift
1050     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1051 }
1052
1053 cp_if_changed(){
1054     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1055     mkdir -p "$(dirname $2)"
1056     cp -f "$1" "$2"
1057 }
1058
1059 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1060 # system-dependent things.
1061
1062 COMPONENT_LIST="
1063     bsfs
1064     decoders
1065     demuxers
1066     encoders
1067     filters
1068     hwaccels
1069     indevs
1070     muxers
1071     outdevs
1072     parsers
1073     protocols
1074 "
1075
1076 DOCUMENT_LIST="
1077     doc
1078     htmlpages
1079     manpages
1080     podpages
1081     txtpages
1082 "
1083
1084 PROGRAM_LIST="
1085     ffplay
1086     ffprobe
1087     ffserver
1088     ffmpeg
1089 "
1090
1091 CONFIG_LIST="
1092     $COMPONENT_LIST
1093     $DOCUMENT_LIST
1094     $PROGRAM_LIST
1095     avcodec
1096     avdevice
1097     avfilter
1098     avformat
1099     avresample
1100     avisynth
1101     bzlib
1102     crystalhd
1103     dct
1104     dwt
1105     dxva2
1106     fast_unaligned
1107     fft
1108     fontconfig
1109     frei0r
1110     gnutls
1111     gpl
1112     gray
1113     hardcoded_tables
1114     incompatible_fork_abi
1115     libaacplus
1116     libass
1117     libbluray
1118     libcaca
1119     libcdio
1120     libcelt
1121     libdc1394
1122     libfaac
1123     libfdk_aac
1124     libflite
1125     libfreetype
1126     libgsm
1127     libiec61883
1128     libilbc
1129     libmodplug
1130     libmp3lame
1131     libnut
1132     libopencore_amrnb
1133     libopencore_amrwb
1134     libopencv
1135     libopenjpeg
1136     libopus
1137     libpulse
1138     librtmp
1139     libschroedinger
1140     libspeex
1141     libstagefright_h264
1142     libtheora
1143     libtwolame
1144     libutvideo
1145     libv4l2
1146     libvo_aacenc
1147     libvo_amrwbenc
1148     libvorbis
1149     libvpx
1150     libx264
1151     libxavs
1152     libxvid
1153     lsp
1154     mdct
1155     memalign_hack
1156     memory_poisoning
1157     network
1158     nonfree
1159     openal
1160     openssl
1161     pic
1162     postproc
1163     rdft
1164     runtime_cpudetect
1165     safe_bitstream_reader
1166     shared
1167     small
1168     sram
1169     static
1170     swresample
1171     swscale
1172     swscale_alpha
1173     thumb
1174     vaapi
1175     vda
1176     vdpau
1177     version3
1178     xmm_clobber_test
1179     x11grab
1180     zlib
1181 "
1182
1183 THREADS_LIST='
1184     pthreads
1185     w32threads
1186     os2threads
1187 '
1188
1189 ARCH_LIST='
1190     alpha
1191     arm
1192     avr32
1193     avr32_ap
1194     avr32_uc
1195     bfin
1196     ia64
1197     m68k
1198     mips
1199     mips64
1200     parisc
1201     ppc
1202     ppc64
1203     s390
1204     sh4
1205     sparc
1206     sparc64
1207     tomi
1208     x86
1209     x86_32
1210     x86_64
1211 '
1212
1213 ARCH_EXT_LIST_X86='
1214     amd3dnow
1215     amd3dnowext
1216     avx
1217     fma4
1218     mmx
1219     mmxext
1220     sse
1221     sse2
1222     sse3
1223     sse4
1224     sse42
1225     ssse3
1226 '
1227
1228 ARCH_EXT_LIST="
1229     $ARCH_EXT_LIST_X86
1230     altivec
1231     armv5te
1232     armv6
1233     armv6t2
1234     armvfp
1235     mmi
1236     neon
1237     ppc4xx
1238     vfpv3
1239     vis
1240     mipsfpu
1241     mips32r2
1242     mipsdspr1
1243     mipsdspr2
1244 "
1245
1246 HAVE_LIST_PUB='
1247     bigendian
1248     fast_unaligned
1249     incompatible_fork_abi
1250 '
1251
1252 HAVE_LIST="
1253     $ARCH_EXT_LIST
1254     $(add_suffix _external $ARCH_EXT_LIST)
1255     $(add_suffix _inline   $ARCH_EXT_LIST)
1256     $HAVE_LIST_PUB
1257     $THREADS_LIST
1258     aligned_malloc
1259     aligned_stack
1260     alsa_asoundlib_h
1261     altivec_h
1262     arpa_inet_h
1263     asm_mod_q
1264     asm_mod_y
1265     asm_types_h
1266     attribute_may_alias
1267     attribute_packed
1268     cbrtf
1269     clock_gettime
1270     closesocket
1271     cmov
1272     cpuid
1273     cpunop
1274     dcbzl
1275     dev_bktr_ioctl_bt848_h
1276     dev_bktr_ioctl_meteor_h
1277     dev_ic_bt8xx_h
1278     dev_video_bktr_ioctl_bt848_h
1279     dev_video_meteor_ioctl_meteor_h
1280     direct_h
1281     dlfcn_h
1282     dlopen
1283     dos_paths
1284     dxva_h
1285     ebp_available
1286     ebx_available
1287     exp2
1288     exp2f
1289     fast_64bit
1290     fast_clz
1291     fast_cmov
1292     fcntl
1293     fork
1294     getaddrinfo
1295     gethrtime
1296     getopt
1297     GetProcessAffinityMask
1298     GetProcessMemoryInfo
1299     GetProcessTimes
1300     GetSystemTimeAsFileTime
1301     getrusage
1302     gettimeofday
1303     glob
1304     gnu_as
1305     ibm_asm
1306     inet_aton
1307     inline_asm
1308     io_h
1309     isatty
1310     isinf
1311     isnan
1312     jack_port_get_latency_range
1313     kbhit
1314     ldbrx
1315     libdc1394_1
1316     libdc1394_2
1317     llrint
1318     llrintf
1319     local_aligned_16
1320     local_aligned_8
1321     localtime_r
1322     log2
1323     log2f
1324     loongson
1325     lrint
1326     lrintf
1327     lzo1x_999_compress
1328     machine_ioctl_bt848_h
1329     machine_ioctl_meteor_h
1330     makeinfo
1331     malloc_h
1332     MapViewOfFile
1333     memalign
1334     mkstemp
1335     mm_empty
1336     mmap
1337     msvcrt
1338     nanosleep
1339     PeekNamedPipe
1340     perl
1341     pod2man
1342     poll_h
1343     posix_memalign
1344     pthread_cancel
1345     rdtsc
1346     rint
1347     round
1348     roundf
1349     rweflags
1350     sched_getaffinity
1351     sdl
1352     sdl_video_size
1353     setmode
1354     setrlimit
1355     Sleep
1356     sndio_h
1357     socklen_t
1358     soundcard_h
1359     strerror_r
1360     struct_addrinfo
1361     struct_group_source_req
1362     struct_ip_mreq_source
1363     struct_ipv6_mreq
1364     struct_pollfd
1365     struct_rusage_ru_maxrss
1366     struct_sctp_event_subscribe
1367     struct_sockaddr_in6
1368     struct_sockaddr_sa_len
1369     struct_sockaddr_storage
1370     struct_v4l2_frmivalenum_discrete
1371     symver
1372     symver_asm_label
1373     symver_gnu_asm
1374     sysconf
1375     sysctl
1376     sys_mman_h
1377     sys_param_h
1378     sys_resource_h
1379     sys_select_h
1380     sys_soundcard_h
1381     sys_time_h
1382     sys_videoio_h
1383     termios_h
1384     texi2html
1385     threads
1386     trunc
1387     truncf
1388     unistd_h
1389     usleep
1390     vfp_args
1391     VirtualAlloc
1392     windows_h
1393     winsock2_h
1394     xform_asm
1395     xgetbv
1396     xmm_clobbers
1397     yasm
1398 "
1399
1400 # options emitted with CONFIG_ prefix but not available on command line
1401 CONFIG_EXTRA="
1402     aandcttables
1403     ac3dsp
1404     avutil
1405     error_resilience
1406     gcrypt
1407     golomb
1408     gplv3
1409     h264chroma
1410     h264dsp
1411     h264pred
1412     h264qpel
1413     huffman
1414     lgplv3
1415     lpc
1416     mpegaudiodsp
1417     mpegvideo
1418     mpegvideoenc
1419     nettle
1420     rangecoder
1421     rtpdec
1422     sinewin
1423     vp3dsp
1424 "
1425
1426 CMDLINE_SELECT="
1427     $ARCH_EXT_LIST
1428     $CONFIG_LIST
1429     $THREADS_LIST
1430     asm
1431     coverage
1432     cross_compile
1433     debug
1434     extra_warnings
1435     inline_asm
1436     logging
1437     optimizations
1438     stripping
1439     symver
1440     yasm
1441 "
1442
1443 PATHS_LIST='
1444     bindir
1445     datadir
1446     incdir
1447     libdir
1448     mandir
1449     prefix
1450     shlibdir
1451 '
1452
1453 CMDLINE_SET="
1454     $PATHS_LIST
1455     ar
1456     arch
1457     as
1458     assert_level
1459     build_suffix
1460     cc
1461     cpu
1462     cross_prefix
1463     cxx
1464     dep_cc
1465     extra_version
1466     host_cc
1467     host_cflags
1468     host_ld
1469     host_ldflags
1470     host_libs
1471     host_os
1472     install
1473     ld
1474     logfile
1475     malloc_prefix
1476     nm
1477     optflags
1478     pkg_config
1479     postproc_version
1480     progs_suffix
1481     random_seed
1482     samples
1483     strip
1484     sysinclude
1485     sysroot
1486     target_exec
1487     target_os
1488     target_path
1489     toolchain
1490     valgrind
1491     yasmexe
1492 "
1493
1494 CMDLINE_APPEND="
1495     extra_cflags
1496     extra_cxxflags
1497 "
1498
1499 # code dependency declarations
1500
1501 # architecture extensions
1502
1503 armv5te_deps="arm"
1504 armv6_deps="arm"
1505 armv6t2_deps="arm"
1506 armvfp_deps="arm"
1507 neon_deps="arm"
1508 vfpv3_deps="armvfp"
1509
1510 mipsfpu_deps="mips"
1511 mips32r2_deps="mips"
1512 mipsdspr1_deps="mips"
1513 mipsdspr2_deps="mips"
1514 mmi_deps="mips"
1515
1516 altivec_deps="ppc"
1517 ppc4xx_deps="ppc"
1518
1519 vis_deps="sparc"
1520
1521 x86_64_suggest="cmov fast_cmov"
1522
1523 amd3dnow_deps="mmx"
1524 amd3dnowext_deps="amd3dnow"
1525 mmx_deps="x86"
1526 mmxext_deps="mmx"
1527 sse_deps="mmxext"
1528 sse2_deps="sse"
1529 sse3_deps="sse2"
1530 ssse3_deps="sse3"
1531 sse4_deps="ssse3"
1532 sse42_deps="sse4"
1533 avx_deps="sse42"
1534 fma4_deps="avx"
1535
1536 mmx_external_deps="yasm"
1537 mmx_inline_deps="inline_asm"
1538 mmx_suggest="mmx_external mmx_inline"
1539
1540 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1541     eval dep=\$${ext}_deps
1542     eval ${ext}_external_deps='"${dep}_external"'
1543     eval ${ext}_inline_deps='"${dep}_inline"'
1544     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1545 done
1546
1547 aligned_stack_if_any="ppc x86"
1548 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1549 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1550 fast_unaligned_if_any="armv6 ppc x86"
1551
1552 inline_asm_deps="!tms470"
1553 need_memalign="altivec neon sse"
1554
1555 symver_if_any="symver_asm_label symver_gnu_asm"
1556
1557 log2_deps="!msvcrt"
1558
1559 # subsystems
1560 dct_select="rdft"
1561 mdct_select="fft"
1562 rdft_select="fft"
1563 mpegaudiodsp_select="dct"
1564 mpegvideoenc_select="mpegvideo"
1565
1566 # decoders / encoders / hardware accelerators
1567 aac_decoder_select="mdct sinewin"
1568 aac_encoder_select="mdct sinewin"
1569 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1570 ac3_decoder_select="mdct ac3dsp ac3_parser"
1571 ac3_encoder_select="mdct ac3dsp"
1572 ac3_fixed_encoder_select="mdct ac3dsp"
1573 alac_encoder_select="lpc"
1574 amrnb_decoder_select="lsp"
1575 amrwb_decoder_select="lsp"
1576 amv_encoder_select="aandcttables"
1577 atrac1_decoder_select="mdct sinewin"
1578 atrac3_decoder_select="mdct"
1579 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1580 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1581 cavs_decoder_select="golomb mpegvideo"
1582 cook_decoder_select="mdct sinewin"
1583 cscd_decoder_suggest="zlib"
1584 dca_decoder_select="mdct"
1585 dirac_decoder_select="dwt golomb"
1586 dnxhd_encoder_select="aandcttables mpegvideoenc"
1587 dxa_decoder_select="zlib"
1588 eac3_decoder_select="ac3_decoder"
1589 eac3_encoder_select="ac3_encoder"
1590 eamad_decoder_select="aandcttables error_resilience mpegvideo"
1591 eatgq_decoder_select="aandcttables"
1592 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1593 exr_decoder_select="zlib"
1594 ffv1_decoder_select="golomb rangecoder"
1595 ffv1_encoder_select="rangecoder"
1596 ffvhuff_encoder_select="huffman"
1597 flac_decoder_select="golomb"
1598 flac_encoder_select="golomb lpc"
1599 flashsv_decoder_select="zlib"
1600 flashsv_encoder_select="zlib"
1601 flashsv2_encoder_select="zlib"
1602 flashsv2_decoder_select="zlib"
1603 flv_decoder_select="h263_decoder"
1604 flv_encoder_select="h263_encoder"
1605 fraps_decoder_select="huffman"
1606 h261_decoder_select="error_resilience mpegvideo"
1607 h261_encoder_select="aandcttables mpegvideoenc"
1608 h263_decoder_select="error_resilience h263_parser mpegvideo"
1609 h263_encoder_select="aandcttables error_resilience mpegvideoenc"
1610 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1611 h263i_decoder_select="h263_decoder"
1612 h263p_encoder_select="h263_encoder"
1613 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1614 h264_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
1615 h264_dxva2_hwaccel_deps="dxva2api_h"
1616 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1617 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1618 h264_vda_decoder_select="vda h264_parser h264_decoder"
1619 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1620 h264_vda_hwaccel_select="vda h264_decoder"
1621 h264_vdpau_decoder_select="vdpau h264_decoder"
1622 huffyuv_encoder_select="huffman"
1623 iac_decoder_select="fft mdct sinewin"
1624 imc_decoder_select="fft mdct sinewin"
1625 jpegls_decoder_select="golomb"
1626 jpegls_encoder_select="golomb"
1627 ljpeg_encoder_select="aandcttables mpegvideoenc"
1628 loco_decoder_select="golomb"
1629 mdec_decoder_select="error_resilience mpegvideo"
1630 mjpeg_encoder_select="aandcttables mpegvideoenc"
1631 mlp_decoder_select="mlp_parser"
1632 mp1_decoder_select="mpegaudiodsp"
1633 mp1float_decoder_select="mpegaudiodsp"
1634 mp2_decoder_select="mpegaudiodsp"
1635 mp2float_decoder_select="mpegaudiodsp"
1636 mp3_decoder_select="mpegaudiodsp"
1637 mp3adu_decoder_select="mpegaudiodsp"
1638 mp3adufloat_decoder_select="mpegaudiodsp"
1639 mp3float_decoder_select="mpegaudiodsp"
1640 mp3on4_decoder_select="mpegaudiodsp"
1641 mp3on4float_decoder_select="mpegaudiodsp"
1642 mpc7_decoder_select="mpegaudiodsp"
1643 mpc8_decoder_select="mpegaudiodsp"
1644 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1645 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1646 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1647 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1648 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1649 mpeg1video_decoder_select="error_resilience mpegvideo"
1650 mpeg1video_encoder_select="aandcttables error_resilience mpegvideoenc"
1651 mpeg2_crystalhd_decoder_select="crystalhd"
1652 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1653 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1654 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1655 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1656 mpeg2video_decoder_select="error_resilience mpegvideo"
1657 mpeg2video_encoder_select="aandcttables error_resilience mpegvideoenc"
1658 mpeg4_crystalhd_decoder_select="crystalhd"
1659 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1660 mpeg4_encoder_select="h263_encoder"
1661 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1662 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1663 msmpeg4_crystalhd_decoder_select="crystalhd"
1664 msmpeg4v1_decoder_select="h263_decoder"
1665 msmpeg4v1_encoder_select="h263_encoder"
1666 msmpeg4v2_decoder_select="h263_decoder"
1667 msmpeg4v2_encoder_select="h263_encoder"
1668 msmpeg4v3_decoder_select="h263_decoder"
1669 msmpeg4v3_encoder_select="h263_encoder"
1670 mss2_decoder_select="vc1_decoder"
1671 nellymoser_decoder_select="mdct sinewin"
1672 nellymoser_encoder_select="mdct sinewin"
1673 png_decoder_select="zlib"
1674 png_encoder_select="zlib"
1675 qcelp_decoder_select="lsp"
1676 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1677 ra_144_encoder_select="lpc"
1678 ralf_decoder_select="golomb"
1679 rv10_decoder_select="h263_decoder"
1680 rv10_encoder_select="h263_encoder"
1681 rv20_decoder_select="h263_decoder"
1682 rv20_encoder_select="h263_encoder"
1683 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1684 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1685 shorten_decoder_select="golomb"
1686 sipr_decoder_select="lsp"
1687 snow_decoder_select="dwt rangecoder"
1688 snow_encoder_select="aandcttables dwt error_resilience mpegvideoenc rangecoder"
1689 sonic_decoder_select="golomb"
1690 sonic_encoder_select="golomb"
1691 sonic_ls_encoder_select="golomb"
1692 svq1_decoder_select="error_resilience mpegvideo"
1693 svq1_encoder_select="aandcttables error_resilience mpegvideoenc"
1694 svq3_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
1695 svq3_decoder_suggest="zlib"
1696 theora_decoder_select="vp3_decoder"
1697 tiff_decoder_suggest="zlib"
1698 tiff_encoder_suggest="zlib"
1699 truehd_decoder_select="mlp_parser"
1700 tscc_decoder_select="zlib"
1701 twinvq_decoder_select="mdct lsp sinewin"
1702 utvideo_encoder_select="huffman"
1703 vc1_crystalhd_decoder_select="crystalhd"
1704 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1705 vc1_dxva2_hwaccel_deps="dxva2api_h"
1706 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1707 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1708 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1709 vc1image_decoder_select="vc1_decoder"
1710 vorbis_decoder_select="mdct"
1711 vorbis_encoder_select="mdct"
1712 vp3_decoder_select="vp3dsp"
1713 vp5_decoder_select="vp3dsp"
1714 vp6_decoder_select="huffman vp3dsp"
1715 vp6a_decoder_select="vp6_decoder"
1716 vp6f_decoder_select="vp6_decoder"
1717 vp8_decoder_select="h264pred h264qpel"
1718 wmapro_decoder_select="mdct sinewin"
1719 wmav1_decoder_select="mdct sinewin"
1720 wmav1_encoder_select="mdct sinewin"
1721 wmav2_decoder_select="mdct sinewin"
1722 wmav2_encoder_select="mdct sinewin"
1723 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1724 wmv1_decoder_select="h263_decoder"
1725 wmv1_encoder_select="h263_encoder"
1726 wmv2_decoder_select="h263_decoder"
1727 wmv2_encoder_select="h263_encoder"
1728 wmv3_decoder_select="vc1_decoder"
1729 wmv3_crystalhd_decoder_select="crystalhd"
1730 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1731 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1732 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1733 wmv3image_decoder_select="wmv3_decoder"
1734 zerocodec_decoder_select="zlib"
1735 zlib_decoder_select="zlib"
1736 zlib_encoder_select="zlib"
1737 zmbv_decoder_select="zlib"
1738 zmbv_encoder_select="zlib"
1739
1740 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1741 vaapi_deps="va_va_h"
1742 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1743 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1744
1745 # parsers
1746 h264_parser_select="error_resilience golomb h264dsp h264pred mpegvideo"
1747 mpeg4video_parser_select="error_resilience mpegvideo"
1748 mpegvideo_parser_select="error_resilience mpegvideo"
1749 vc1_parser_select="error_resilience mpegvideo"
1750
1751 # external libraries
1752 libaacplus_encoder_deps="libaacplus"
1753 libcelt_decoder_deps="libcelt"
1754 libfaac_encoder_deps="libfaac"
1755 libfdk_aac_encoder_deps="libfdk_aac"
1756 libgsm_decoder_deps="libgsm"
1757 libgsm_encoder_deps="libgsm"
1758 libgsm_ms_decoder_deps="libgsm"
1759 libgsm_ms_encoder_deps="libgsm"
1760 libilbc_decoder_deps="libilbc"
1761 libilbc_encoder_deps="libilbc"
1762 libmodplug_demuxer_deps="libmodplug"
1763 libmp3lame_encoder_deps="libmp3lame"
1764 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1765 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1766 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1767 libopenjpeg_decoder_deps="libopenjpeg"
1768 libopenjpeg_encoder_deps="libopenjpeg"
1769 libopus_decoder_deps="libopus"
1770 libschroedinger_decoder_deps="libschroedinger"
1771 libschroedinger_encoder_deps="libschroedinger"
1772 libspeex_decoder_deps="libspeex"
1773 libspeex_encoder_deps="libspeex"
1774 libstagefright_h264_decoder_deps="libstagefright_h264"
1775 libtheora_encoder_deps="libtheora"
1776 libtwolame_encoder_deps="libtwolame"
1777 libvo_aacenc_encoder_deps="libvo_aacenc"
1778 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1779 libvorbis_decoder_deps="libvorbis"
1780 libvorbis_encoder_deps="libvorbis"
1781 libvpx_decoder_deps="libvpx"
1782 libvpx_encoder_deps="libvpx"
1783 libx264_encoder_deps="libx264"
1784 libx264rgb_encoder_deps="libx264"
1785 libxavs_encoder_deps="libxavs"
1786 libxvid_encoder_deps="libxvid"
1787 libutvideo_decoder_deps="libutvideo"
1788 libutvideo_encoder_deps="libutvideo"
1789
1790 # demuxers / muxers
1791 ac3_demuxer_select="ac3_parser"
1792 asf_stream_muxer_select="asf_muxer"
1793 avisynth_demuxer_deps="avisynth"
1794 dirac_demuxer_select="dirac_parser"
1795 eac3_demuxer_select="ac3_parser"
1796 f4v_muxer_select="mov_muxer"
1797 flac_demuxer_select="flac_parser"
1798 ipod_muxer_select="mov_muxer"
1799 libnut_demuxer_deps="libnut"
1800 libnut_muxer_deps="libnut"
1801 matroska_audio_muxer_select="matroska_muxer"
1802 matroska_demuxer_suggest="zlib bzlib"
1803 mov_demuxer_suggest="zlib"
1804 mp3_demuxer_select="mpegaudio_parser"
1805 mp4_muxer_select="mov_muxer"
1806 mpegts_muxer_select="adts_muxer latm_muxer mpegvideo"
1807 mpegtsraw_demuxer_select="mpegts_demuxer"
1808 mxf_d10_muxer_select="mxf_muxer"
1809 ogg_demuxer_select="golomb"
1810 psp_muxer_select="mov_muxer"
1811 rtp_demuxer_select="sdp_demuxer"
1812 rtp_muxer_select="mpegvideo"
1813 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1814 rtsp_demuxer_select="http_protocol rtpdec"
1815 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1816 sap_demuxer_select="sdp_demuxer"
1817 sap_muxer_select="rtp_muxer rtp_protocol"
1818 sdp_demuxer_select="rtpdec"
1819 smoothstreaming_muxer_select="ismv_muxer"
1820 spdif_muxer_select="aac_parser"
1821 tg2_muxer_select="mov_muxer"
1822 tgp_muxer_select="mov_muxer"
1823 w64_demuxer_deps="wav_demuxer"
1824
1825 # indevs / outdevs
1826 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1827 alsa_outdev_deps="alsa_asoundlib_h"
1828 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1829 caca_outdev_deps="libcaca"
1830 dshow_indev_deps="IBaseFilter"
1831 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1832 dv1394_indev_deps="dv1394 dv_demuxer"
1833 fbdev_indev_deps="linux_fb_h"
1834 iec61883_indev_deps="libiec61883"
1835 jack_indev_deps="jack_jack_h sem_timedwait"
1836 lavfi_indev_deps="avfilter"
1837 libcdio_indev_deps="libcdio"
1838 libdc1394_indev_deps="libdc1394"
1839 libv4l2_indev_deps="libv4l2"
1840 openal_indev_deps="openal"
1841 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1842 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1843 pulse_indev_deps="libpulse"
1844 sdl_outdev_deps="sdl"
1845 sndio_indev_deps="sndio_h"
1846 sndio_outdev_deps="sndio_h"
1847 v4l_indev_deps="linux_videodev_h"
1848 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1849 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1850 vfwcap_indev_extralibs="-lavicap32"
1851 x11grab_indev_deps="x11grab"
1852
1853 # protocols
1854 bluray_protocol_deps="libbluray"
1855 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1856 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1857 ffrtmpcrypt_protocol_select="tcp_protocol"
1858 ffrtmphttp_protocol_deps="!librtmp_protocol"
1859 ffrtmphttp_protocol_select="http_protocol"
1860 gopher_protocol_deps="network"
1861 httpproxy_protocol_deps="network"
1862 httpproxy_protocol_select="tcp_protocol"
1863 http_protocol_deps="network"
1864 http_protocol_select="tcp_protocol"
1865 https_protocol_select="tls_protocol"
1866 librtmp_protocol_deps="librtmp"
1867 librtmpe_protocol_deps="librtmp"
1868 librtmps_protocol_deps="librtmp"
1869 librtmpt_protocol_deps="librtmp"
1870 librtmpte_protocol_deps="librtmp"
1871 mmsh_protocol_select="http_protocol"
1872 mmst_protocol_deps="network"
1873 rtmp_protocol_deps="!librtmp_protocol"
1874 rtmp_protocol_select="tcp_protocol"
1875 rtmpe_protocol_select="ffrtmpcrypt_protocol"
1876 rtmps_protocol_deps="!librtmp_protocol"
1877 rtmps_protocol_select="tls_protocol"
1878 rtmpt_protocol_select="ffrtmphttp_protocol"
1879 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
1880 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
1881 rtp_protocol_select="udp_protocol"
1882 sctp_protocol_deps="network struct_sctp_event_subscribe"
1883 tcp_protocol_deps="network"
1884 tls_protocol_deps_any="openssl gnutls"
1885 tls_protocol_select="tcp_protocol"
1886 udp_protocol_deps="network"
1887
1888 # filters
1889 aconvert_filter_deps="swresample"
1890 amovie_filter_deps="avcodec avformat"
1891 aresample_filter_deps="swresample"
1892 ass_filter_deps="libass"
1893 asyncts_filter_deps="avresample"
1894 atempo_filter_deps="avcodec rdft"
1895 blackframe_filter_deps="gpl"
1896 boxblur_filter_deps="gpl"
1897 colormatrix_filter_deps="gpl"
1898 cropdetect_filter_deps="gpl"
1899 decimate_filter_deps="gpl avcodec"
1900 delogo_filter_deps="gpl"
1901 deshake_filter_deps="avcodec"
1902 drawtext_filter_deps="libfreetype"
1903 flite_filter_deps="libflite"
1904 frei0r_filter_deps="frei0r dlopen"
1905 frei0r_filter_extralibs='$ldl'
1906 frei0r_src_filter_deps="frei0r dlopen"
1907 frei0r_src_filter_extralibs='$ldl'
1908 hqdn3d_filter_deps="gpl"
1909 movie_filter_deps="avcodec avformat"
1910 mp_filter_deps="gpl avcodec swscale postproc inline_asm"
1911 mptestsrc_filter_deps="gpl"
1912 negate_filter_deps="lut_filter"
1913 resample_filter_deps="avresample"
1914 ocv_filter_deps="libopencv"
1915 pan_filter_deps="swresample"
1916 removelogo_filter_deps="avcodec avformat swscale"
1917 scale_filter_deps="swscale"
1918 smartblur_filter_deps="gpl swscale"
1919 showspectrum_filter_deps="avcodec"
1920 super2xsai_filter_deps="gpl"
1921 tinterlace_filter_deps="gpl"
1922 yadif_filter_deps="gpl"
1923
1924 # libraries
1925 avdevice_deps="avcodec avformat"
1926 avformat_deps="avcodec"
1927 postproc_deps="gpl"
1928
1929 # programs
1930 ffmpeg_deps="avcodec avfilter avformat swscale swresample"
1931 ffmpeg_select="ffbuffersink_filter format_filter aformat_filter
1932                setpts_filter null_filter anull_filter ffabuffersink_filter"
1933 ffplay_deps="avcodec avformat swscale swresample sdl"
1934 ffplay_select="ffbuffersink_filter rdft crop_filter"
1935 ffprobe_deps="avcodec avformat"
1936 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1937 ffserver_extralibs='$ldl'
1938
1939 # documentation
1940 podpages_deps="perl"
1941 manpages_deps="perl pod2man"
1942 htmlpages_deps="texi2html"
1943 txtpages_deps="makeinfo"
1944 doc_deps_any="manpages htmlpages podpages txtpages"
1945
1946 # tests
1947 colormatrix1_test_deps="colormatrix_filter"
1948 colormatrix2_test_deps="colormatrix_filter"
1949 flashsv2_test_deps="zlib"
1950 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1951 mpng_test_deps="zlib"
1952 pp_test_deps="mp_filter"
1953 pp2_test_deps="mp_filter"
1954 pp3_test_deps="mp_filter"
1955 pp4_test_deps="mp_filter"
1956 pp5_test_deps="mp_filter"
1957 pp6_test_deps="mp_filter"
1958 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1959 zlib_test_deps="zlib"
1960 zmbv_test_deps="zlib"
1961
1962 test_deps(){
1963     suf1=$1
1964     suf2=$2
1965     shift 2
1966     for v; do
1967         dep=${v%=*}
1968         tests=${v#*=}
1969         for name in ${tests}; do
1970             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1971         done
1972     done
1973 }
1974
1975 test_deps _muxer _demuxer                                               \
1976     aiff                                                                \
1977     pcm_alaw=alaw                                                       \
1978     asf                                                                 \
1979     au                                                                  \
1980     avi                                                                 \
1981     dv=dv_fmt                                                           \
1982     ffm                                                                 \
1983     flv=flv_fmt                                                         \
1984     gxf                                                                 \
1985     matroska=mkv                                                        \
1986     mmf                                                                 \
1987     mov="mov ismv"                                                      \
1988     pcm_mulaw=mulaw                                                     \
1989     mxf="mxf mxf_d10"                                                   \
1990     nut                                                                 \
1991     ogg="ogg ogg_vp3"                                                   \
1992     rawvideo=pixfmt                                                     \
1993     rm                                                                  \
1994     swf                                                                 \
1995     mpegts=ts                                                           \
1996     voc                                                                 \
1997     wav                                                                 \
1998     yuv4mpegpipe=yuv4mpeg                                               \
1999
2000 # default parameters
2001
2002 logfile="config.log"
2003
2004 # installation paths
2005 prefix_default="/usr/local"
2006 bindir_default='${prefix}/bin'
2007 datadir_default='${prefix}/share/ffmpeg'
2008 incdir_default='${prefix}/include'
2009 libdir_default='${prefix}/lib'
2010 mandir_default='${prefix}/share/man'
2011 shlibdir_default="$libdir_default"
2012 postproc_version_default="current"
2013
2014 # toolchain
2015 ar_default="ar"
2016 cc_default="gcc"
2017 cxx_default="g++"
2018 host_cc_default="gcc"
2019 install="install"
2020 ln_s="ln -sf"
2021 nm_default="nm -g"
2022 objformat="elf"
2023 pkg_config_default=pkg-config
2024 ranlib="ranlib"
2025 strip_default="strip"
2026 yasmexe_default="yasm"
2027
2028 nogas=":"
2029
2030 # machine
2031 arch_default=$(uname -m)
2032 cpu="generic"
2033
2034 # OS
2035 target_os_default=$(tolower $(uname -s))
2036 host_os=$target_os_default
2037
2038 # alternative libpostproc version
2039 ALT_PP_VER_MAJOR=51
2040 ALT_PP_VER_MINOR=2
2041 ALT_PP_VER_MICRO=101
2042 ALT_PP_VER=$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO
2043
2044 # configurable options
2045 enable $PROGRAM_LIST
2046 enable $DOCUMENT_LIST
2047
2048 enable avcodec
2049 enable avdevice
2050 enable avfilter
2051 enable avformat
2052 enable avutil
2053 enable postproc
2054 enable stripping
2055 enable swresample
2056 enable swscale
2057
2058 enable asm
2059 enable debug
2060 enable doc
2061 enable network
2062 enable optimizations
2063 enable safe_bitstream_reader
2064 enable static
2065 enable swscale_alpha
2066
2067 # build settings
2068 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2069 FFSERVERLDFLAGS=-Wl,-E
2070 LIBPREF="lib"
2071 LIBSUF=".a"
2072 FULLNAME='$(NAME)$(BUILDSUF)'
2073 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2074 SLIBPREF="lib"
2075 SLIBSUF=".so"
2076 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2077 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2078 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2079 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2080 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2081 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2082
2083 asflags_filter=echo
2084 cflags_filter=echo
2085 ldflags_filter=echo
2086
2087 AS_C='-c'
2088 AS_O='-o $@'
2089 CC_C='-c'
2090 CC_E='-E -o $@'
2091 CC_O='-o $@'
2092 CXX_C='-c'
2093 CXX_O='-o $@'
2094 LD_O='-o $@'
2095 LD_LIB='-l%'
2096 LD_PATH='-L'
2097 HOSTCC_C='-c'
2098 HOSTCC_O='-o $@'
2099 HOSTLD_O='-o $@'
2100
2101 host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
2102 host_libs='-lm'
2103 host_cflags_filter=echo
2104 host_ldflags_filter=echo
2105
2106 target_path='$(CURDIR)'
2107
2108 # since the object filename is not given with the -MM flag, the compiler
2109 # is only able to print the basename, and we must add the path ourselves
2110 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2111 DEPFLAGS='-MM'
2112
2113 # find source path
2114 if test -f configure; then
2115     source_path=.
2116 else
2117     source_path=$(cd $(dirname "$0"); pwd)
2118     echo "$source_path" | grep -q '[[:blank:]]' &&
2119         die "Out of tree builds are impossible with whitespace in source path."
2120     test -e "$source_path/config.h" &&
2121         die "Out of tree builds are impossible with config.h in source dir."
2122 fi
2123
2124 for v in "$@"; do
2125     r=${v#*=}
2126     l=${v%"$r"}
2127     r=$(sh_quote "$r")
2128     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2129 done
2130
2131 find_things(){
2132     thing=$1
2133     pattern=$2
2134     file=$source_path/$3
2135     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2136 }
2137
2138 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
2139 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
2140 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
2141 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
2142 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
2143 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
2144 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
2145 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
2146 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
2147 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2148 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
2149
2150 ALL_COMPONENTS="
2151     $BSF_LIST
2152     $DECODER_LIST
2153     $DEMUXER_LIST
2154     $ENCODER_LIST
2155     $FILTER_LIST
2156     $HWACCEL_LIST
2157     $INDEV_LIST
2158     $MUXER_LIST
2159     $OUTDEV_LIST
2160     $PARSER_LIST
2161     $PROTOCOL_LIST
2162 "
2163
2164 find_tests(){
2165     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
2166 }
2167
2168 LAVF_FATE_TESTS=$(find_tests lavf-fate)
2169 LAVF_TESTS=$(find_tests lavf)
2170 LAVFI_TESTS=$(find_tests lavfi)
2171 SEEK_TESTS=$(find_tests seek seek_)
2172
2173 ALL_TESTS="$LAVF_FATE_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
2174
2175 for n in $COMPONENT_LIST; do
2176     v=$(toupper ${n%s})_LIST
2177     eval enable \$$v
2178     eval ${n}_if_any="\$$v"
2179 done
2180
2181 enable $ARCH_EXT_LIST $ALL_TESTS
2182
2183 die_unknown(){
2184     echo "Unknown option \"$1\"."
2185     echo "See $0 --help for available options."
2186     exit 1
2187 }
2188
2189 show_list() {
2190     suffix=_$1
2191     shift
2192     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
2193     exit 0
2194 }
2195
2196 rand_list(){
2197     IFS=', '
2198     set -- $*
2199     unset IFS
2200     for thing; do
2201         comp=${thing%:*}
2202         prob=${thing#$comp}
2203         prob=${prob#:}
2204         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2205         echo "prob ${prob:-0.5}"
2206         printf '%s\n' $comp
2207     done
2208 }
2209
2210 do_random(){
2211     action=$1
2212     shift
2213     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2214     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2215 }
2216
2217 for opt do
2218     optval="${opt#*=}"
2219     case "$opt" in
2220     --extra-ldflags=*) add_ldflags $optval
2221     ;;
2222     --extra-libs=*) add_extralibs $optval
2223     ;;
2224     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
2225     ;;
2226     --enable-debug=*) debuglevel="$optval"
2227     ;;
2228     --disable-everything)
2229     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2230     ;;
2231     --enable-random|--disable-random)
2232     action=${opt%%-random}
2233     do_random ${action#--} $COMPONENT_LIST
2234     ;;
2235     --enable-random=*|--disable-random=*)
2236     action=${opt%%-random=*}
2237     do_random ${action#--} $optval
2238     ;;
2239     --enable-*=*|--disable-*=*)
2240     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2241     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2242     eval list=\$$(toupper $thing)_LIST
2243     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2244     $action $(filter "$name" $list)
2245     ;;
2246     --enable-?*|--disable-?*)
2247     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2248     if is_in $option $COMPONENT_LIST; then
2249         test $action = disable && action=unset
2250         eval $action \$$(toupper ${option%s})_LIST
2251     elif is_in $option $CMDLINE_SELECT; then
2252         $action $option
2253     else
2254         die_unknown $opt
2255     fi
2256     ;;
2257     --list-*)
2258         NAME="${opt#--list-}"
2259         is_in $NAME $COMPONENT_LIST || die_unknown $opt
2260         NAME=${NAME%s}
2261         eval show_list $NAME \$$(toupper $NAME)_LIST
2262     ;;
2263     --help|-h) show_help
2264     ;;
2265     *)
2266     optname="${opt%%=*}"
2267     optname="${optname#--}"
2268     optname=$(echo "$optname" | sed 's/-/_/g')
2269     if is_in $optname $CMDLINE_SET; then
2270         eval $optname='$optval'
2271     elif is_in $optname $CMDLINE_APPEND; then
2272         append $optname "$optval"
2273     else
2274          die_unknown $opt
2275     fi
2276     ;;
2277     esac
2278 done
2279
2280 disabled logging && logfile=/dev/null
2281
2282 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2283 set >> $logfile
2284
2285 test -n "$cross_prefix" && enable cross_compile
2286
2287 if enabled cross_compile; then
2288     test -n "$arch" && test -n "$target_os" ||
2289         die "Must specify target arch and OS when cross-compiling"
2290 fi
2291
2292 set_default arch target_os postproc_version
2293
2294 # Check if we should build alternative libpostproc version instead of current
2295 if   test "$postproc_version" = $ALT_PP_VER; then
2296   LIBPOSTPROC_VERSION=$ALT_PP_VER
2297   LIBPOSTPROC_VERSION_MAJOR=$ALT_PP_VER_MAJOR
2298   LIBPOSTPROC_VERSION_MINOR=$ALT_PP_VER_MINOR
2299   LIBPOSTPROC_VERSION_MICRO=$ALT_PP_VER_MICRO
2300 elif test "$postproc_version" != current; then
2301   die "Invalid argument to --postproc-version. See --help output."
2302 fi
2303
2304 ar_default="${cross_prefix}${ar_default}"
2305 cc_default="${cross_prefix}${cc_default}"
2306 cxx_default="${cross_prefix}${cxx_default}"
2307 nm_default="${cross_prefix}${nm_default}"
2308 pkg_config_default="${cross_prefix}${pkg_config_default}"
2309 ranlib="${cross_prefix}${ranlib}"
2310 strip_default="${cross_prefix}${strip_default}"
2311
2312 sysinclude_default="${sysroot}/usr/include"
2313
2314 case "$toolchain" in
2315     msvc)
2316         cc_default="c99wrap cl"
2317         ld_default="c99wrap link"
2318         nm_default="dumpbin -symbols"
2319         ar_default="lib"
2320     ;;
2321     ?*)
2322         die "Unknown toolchain $toolchain"
2323     ;;
2324 esac
2325
2326 set_default cc cxx pkg_config strip sysinclude yasmexe
2327 enabled cross_compile || host_cc_default=$cc
2328 set_default host_cc
2329
2330 if ! $pkg_config --version >/dev/null 2>&1; then
2331     warn "$pkg_config not found, library detection may fail."
2332     pkg_config=false
2333 fi
2334
2335 exesuf() {
2336     case $1 in
2337         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2338     esac
2339 }
2340
2341 EXESUF=$(exesuf $target_os)
2342 HOSTEXESUF=$(exesuf $host_os)
2343
2344 # set temporary file name
2345 : ${TMPDIR:=$TEMPDIR}
2346 : ${TMPDIR:=$TMP}
2347 : ${TMPDIR:=/tmp}
2348
2349 if ! check_cmd mktemp -u XXXXXX; then
2350     # simple replacement for missing mktemp
2351     # NOT SAFE FOR GENERAL USE
2352     mktemp(){
2353         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2354     }
2355 fi
2356
2357 tmpfile(){
2358     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2359         (set -C; exec > $tmp) 2>/dev/null ||
2360         die "Unable to create temporary file in $TMPDIR."
2361     append TMPFILES $tmp
2362     eval $1=$tmp
2363 }
2364
2365 trap 'rm -f -- $TMPFILES' EXIT
2366
2367 tmpfile TMPASM .asm
2368 tmpfile TMPC   .c
2369 tmpfile TMPCPP .cpp
2370 tmpfile TMPE   $EXESUF
2371 tmpfile TMPH   .h
2372 tmpfile TMPO   .o
2373 tmpfile TMPS   .S
2374 tmpfile TMPSH  .sh
2375 tmpfile TMPV   .ver
2376
2377 unset -f mktemp
2378
2379 chmod +x $TMPE
2380
2381 # make sure we can execute files in $TMPDIR
2382 cat > $TMPSH 2>> $logfile <<EOF
2383 #! /bin/sh
2384 EOF
2385 chmod +x $TMPSH >> $logfile 2>&1
2386 if ! $TMPSH >> $logfile 2>&1; then
2387     cat <<EOF
2388 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2389 variable to another directory and make sure that it is not mounted noexec.
2390 EOF
2391     die "Sanity test failed."
2392 fi
2393
2394 msvc_flags(){
2395     for flag; do
2396         case $flag in
2397             -fomit-frame-pointer) echo -Oy ;;
2398             -g)                   echo -Z7 ;;
2399             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2400                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2401                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2402                                        -wd4996 -wd4554 ;;
2403             -std=c99)             ;;
2404             -fno-math-errno)      ;;
2405             -fno-common)          ;;
2406             -fno-signed-zeros)    ;;
2407             -lz)                  echo zlib.lib ;;
2408             -l*)                  echo ${flag#-l}.lib ;;
2409             *)                    echo $flag ;;
2410         esac
2411     done
2412 }
2413
2414 pgi_flags(){
2415     for flag; do
2416         case $flag in
2417             -fomit-frame-pointer) echo -Mnoframe ;;
2418             -g)                   echo -gopt ;;
2419             *)                    echo $flag ;;
2420         esac
2421     done
2422 }
2423
2424 suncc_flags(){
2425     for flag; do
2426         case $flag in
2427             -march=*|-mcpu=*)
2428                 case "${flag#*=}" in
2429                     native)                   echo -xtarget=native       ;;
2430                     v9|niagara)               echo -xarch=sparc          ;;
2431                     ultrasparc)               echo -xarch=sparcvis       ;;
2432                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2433                     i586|pentium)             echo -xchip=pentium        ;;
2434                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2435                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2436                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2437                     pentium4*)          echo -xtarget=pentium4           ;;
2438                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2439                     *-sse3)             echo -xarch=sse3                 ;;
2440                     core2)              echo -xarch=ssse3 -xchip=core2   ;;
2441                     amdfam10|barcelona|bdver*) echo -xarch=sse4_1        ;;
2442                     athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2443                     k8|opteron|athlon64|athlon-fx)
2444                                               echo -xarch=sse2a          ;;
2445                     athlon*)                  echo -xarch=pentium_proa   ;;
2446                 esac
2447                 ;;
2448             -std=c99)             echo -xc99              ;;
2449             -fomit-frame-pointer) echo -xregs=frameptr    ;;
2450             -fPIC)                echo -KPIC -xcode=pic32 ;;
2451             -W*,*)                echo $flag              ;;
2452             -f*-*|-W*)                                    ;;
2453             *)                    echo $flag              ;;
2454         esac
2455     done
2456 }
2457
2458 tms470_flags(){
2459     for flag; do
2460         case $flag in
2461             -march=*|-mcpu=*)
2462                 case "${flag#*=}" in
2463                     armv7-a|cortex-a*)      echo -mv=7a8 ;;
2464                     armv7-r|cortex-r*)      echo -mv=7r4 ;;
2465                     armv7-m|cortex-m*)      echo -mv=7m3 ;;
2466                     armv6*|arm11*)          echo -mv=6   ;;
2467                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2468                                             echo -mv=5e  ;;
2469                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2470                 esac
2471                 ;;
2472             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2473             -mfpu=vfp)      echo --float_support=vfpv2        ;;
2474             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2475             -msoft-float)   echo --float_support=vfplib       ;;
2476             -O[0-3]|-mf=*)  echo $flag                        ;;
2477             -g)             echo -g -mn                       ;;
2478             -pds=*)         echo $flag                        ;;
2479             -D*|-I*)        echo $flag                        ;;
2480             --gcc|--abi=*)  echo $flag                        ;;
2481             -me)            echo $flag                        ;;
2482         esac
2483     done
2484 }
2485
2486 probe_cc(){
2487     pfx=$1
2488     _cc=$2
2489
2490     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2491     unset _ld_o _ldflags _ld_lib _ld_path
2492     unset _depflags _DEPCMD _DEPFLAGS
2493     _flags_filter=echo
2494
2495     if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2496         _type=llvm_gcc
2497         gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2498         _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2499         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2500         _cflags_speed='-O3'
2501         _cflags_size='-Os'
2502     elif $_cc -v 2>&1 | grep -qi ^gcc; then
2503         _type=gcc
2504         gcc_version=$($_cc --version | head -n1)
2505         gcc_basever=$($_cc -dumpversion)
2506         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2507         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2508         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2509         if ! $_cc -dumpversion | grep -q '^2\.'; then
2510             _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2511         fi
2512         _cflags_speed='-O3'
2513         _cflags_size='-Os'
2514     elif $_cc --version 2>/dev/null | grep -q Intel; then
2515         _type=icc
2516         _ident=$($_cc --version | head -n1)
2517         _depflags='-MMD'
2518         _cflags_speed='-O3'
2519         _cflags_size='-Os'
2520         _cflags_noopt='-O1'
2521     elif $_cc -v 2>&1 | grep -q xlc; then
2522         _type=xlc
2523         _ident=$($_cc -qversion 2>/dev/null | head -n1)
2524         _cflags_speed='-O5'
2525         _cflags_size='-O5 -qcompact'
2526     elif $_cc -V 2>/dev/null | grep -q Compaq; then
2527         _type=ccc
2528         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2529         _DEPFLAGS='-M'
2530         debuglevel=3
2531         _ldflags='-Wl,-z,now' # calls to libots crash without this
2532         _cflags_speed='-fast'
2533         _cflags_size='-O1'
2534     elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2535         test -d "$sysroot" || die "No valid sysroot specified."
2536         _type=armcc
2537         _ident=$($_cc --vsn | head -n1)
2538         armcc_conf="$PWD/armcc.conf"
2539         $_cc --arm_linux_configure                 \
2540              --arm_linux_config_file="$armcc_conf" \
2541              --configure_sysroot="$sysroot"        \
2542              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2543              die "Error creating armcc configuration file."
2544         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2545         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2546         as_default="${cross_prefix}gcc"
2547         _depflags='-MMD'
2548         _cflags_speed='-O3'
2549         _cflags_size='-Os'
2550     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2551         _type=tms470
2552         _ident=$($_cc -version | head -n1 | tr -s ' ')
2553         _flags='--gcc --abi=eabi -me'
2554         _cflags='-D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__='
2555         _cc_e='-ppl -fe=$@'
2556         _cc_o='-fe=$@'
2557         as_default="${cross_prefix}gcc"
2558         ld_default="${cross_prefix}gcc"
2559         _depflags='-ppa -ppd=$(@:.o=.d)'
2560         _cflags_speed='-O3 -mf=5'
2561         _cflags_size='-O3 -mf=2'
2562         _flags_filter=tms470_flags
2563     elif $_cc -v 2>&1 | grep -q clang; then
2564         _type=clang
2565         _ident=$($_cc --version | head -n1)
2566         _depflags='-MMD'
2567         _cflags_speed='-O3'
2568         _cflags_size='-Os'
2569     elif $_cc -V 2>&1 | grep -q Sun; then
2570         _type=suncc
2571         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2572         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2573         _DEPFLAGS='-xM1 -xc99'
2574         _ldflags='-std=c99'
2575         _cflags_speed='-O5'
2576         _cflags_size='-O5 -xspace'
2577         _flags_filter=suncc_flags
2578     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2579         _type=pathscale
2580         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2581         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2582         _cflags_speed='-O2'
2583         _cflags_size='-Os'
2584         _flags_filter='filter_out -Wdisabled-optimization'
2585     elif $_cc -v 2>&1 | grep -q Open64; then
2586         _type=open64
2587         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2588         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2589         _cflags_speed='-O2'
2590         _cflags_size='-Os'
2591         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2592     elif $_cc -V 2>&1 | grep -q Portland; then
2593         _type=pgi
2594         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2595         opt_common='-alias=ansi -Mlre -Mpre'
2596         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2597         _cflags_size="-O2 -Munroll=c:1 $opt_common"
2598         _cflags_noopt="-O1"
2599         _flags_filter=pgi_flags
2600     elif $_cc 2>&1 | grep -q Microsoft; then
2601         _type=msvc
2602         _ident=$($cc 2>&1 | head -n1)
2603         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2604         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2605         _cflags_speed="-O2"
2606         _cflags_size="-O1"
2607         # Nonstandard output options, to avoid msys path conversion issues, relies on wrapper to remap it
2608         if $_cc 2>&1 | grep -q Linker; then
2609             _ld_o='-out $@'
2610         else
2611             _ld_o='-Fe$@'
2612         fi
2613         _cc_o='-Fo $@'
2614         _cc_e='-P -Fi $@'
2615         _flags_filter=msvc_flags
2616         _ld_lib='lib%.a'
2617         _ld_path='-libpath:'
2618         _flags='-nologo'
2619         _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2620         if [ $pfx = hostcc ]; then
2621             append _cflags -Dsnprintf=_snprintf
2622         fi
2623         disable stripping
2624     fi
2625
2626     eval ${pfx}_type=\$_type
2627     eval ${pfx}_ident=\$_ident
2628 }
2629
2630 set_ccvars(){
2631     eval ${1}_C=\${_cc_c-\${${1}_C}}
2632     eval ${1}_E=\${_cc_e-\${${1}_E}}
2633     eval ${1}_O=\${_cc_o-\${${1}_O}}
2634
2635     if [ -n "$_depflags" ]; then
2636         eval ${1}_DEPFLAGS=\$_depflags
2637     else
2638         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2639         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2640         eval DEP${1}FLAGS=\$_flags
2641     fi
2642 }
2643
2644 probe_cc cc "$cc"
2645 cflags_filter=$_flags_filter
2646 cflags_speed=$_cflags_speed
2647 cflags_size=$_cflags_size
2648 cflags_noopt=$_cflags_noopt
2649 add_cflags $_flags $_cflags
2650 cc_ldflags=$_ldflags
2651 set_ccvars CC
2652
2653 probe_cc hostcc "$host_cc"
2654 host_cflags_filter=$_flags_filter
2655 add_host_cflags  $_flags $_cflags
2656 set_ccvars HOSTCC
2657
2658 test -n "$cc_type" && enable $cc_type ||
2659     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2660
2661 : ${as_default:=$cc}
2662 : ${dep_cc_default:=$cc}
2663 : ${ld_default:=$cc}
2664 : ${host_ld_default:=$host_cc}
2665 set_default ar as dep_cc ld host_ld
2666
2667 probe_cc as "$as"
2668 asflags_filter=$_flags_filter
2669 add_asflags $_flags $_cflags
2670 set_ccvars AS
2671
2672 probe_cc ld "$ld"
2673 ldflags_filter=$_flags_filter
2674 add_ldflags $_flags $_ldflags
2675 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2676 LD_O=${_ld_o-$LD_O}
2677 LD_LIB=${_ld_lib-$LD_LIB}
2678 LD_PATH=${_ld_path-$LD_PATH}
2679
2680 probe_cc hostld "$host_ld"
2681 host_ldflags_filter=$_flags_filter
2682 add_host_ldflags $_flags $_ldflags
2683 HOSTLD_O=${_ld_o-$HOSTLD_O}
2684
2685 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2686     probe_cc depcc "$dep_cc"
2687     CCDEP=${_DEPCMD:-$DEPCMD}
2688     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2689     DEPCCFLAGS=$_flags
2690 fi
2691
2692 if $ar 2>&1 | grep -q Microsoft; then
2693     arflags="-nologo"
2694     ar_o='-out:$@'
2695 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2696     arflags="rq"
2697     ar_o='$@'
2698 else
2699     arflags="rc"
2700     ar_o='$@'
2701 fi
2702
2703 add_cflags $extra_cflags
2704 add_cxxflags $extra_cxxflags
2705 add_asflags $extra_cflags
2706
2707 if test -n "$sysroot"; then
2708     case "$cc_type" in
2709         gcc|llvm_gcc|clang)
2710             add_cppflags --sysroot="$sysroot"
2711             add_ldflags --sysroot="$sysroot"
2712         ;;
2713         tms470)
2714             add_cppflags -I"$sysinclude"
2715             add_ldflags  --sysroot="$sysroot"
2716         ;;
2717     esac
2718 fi
2719
2720 if test "$cpu" = host; then
2721     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2722
2723     case "$cc_type" in
2724         gcc|llvm_gcc)
2725             check_native(){
2726                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2727                 sed -n "/cc1.*$1=/{
2728                             s/.*$1=\\([^ ]*\\).*/\\1/
2729                             p
2730                             q
2731                         }" $TMPE
2732             }
2733             cpu=$(check_native -march || check_native -mcpu)
2734         ;;
2735     esac
2736
2737     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2738 fi
2739
2740 # Deal with common $arch aliases
2741 case "$arch" in
2742     arm*|iPad*)
2743         arch="arm"
2744     ;;
2745     mips|mipsel|IP*)
2746         arch="mips"
2747     ;;
2748     mips64*)
2749         arch="mips"
2750         subarch="mips64"
2751     ;;
2752     parisc|hppa)
2753         arch="parisc"
2754     ;;
2755     parisc64|hppa64)
2756         arch="parisc"
2757         subarch="parisc64"
2758     ;;
2759     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2760         arch="ppc"
2761     ;;
2762     s390|s390x)
2763         arch="s390"
2764     ;;
2765     sh4|sh)
2766         arch="sh4"
2767     ;;
2768     sun4u|sparc64)
2769         arch="sparc"
2770         subarch="sparc64"
2771     ;;
2772     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2773         arch="x86"
2774     ;;
2775 esac
2776
2777 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2778 enable $arch
2779
2780 # Add processor-specific flags
2781 if test "$cpu" = generic; then
2782     : do nothing
2783 elif enabled ppc; then
2784
2785     case $(tolower $cpu) in
2786         601|ppc601|powerpc601)
2787             cpuflags="-mcpu=601"
2788             disable altivec
2789         ;;
2790         603*|ppc603*|powerpc603*)
2791             cpuflags="-mcpu=603"
2792             disable altivec
2793         ;;
2794         604*|ppc604*|powerpc604*)
2795             cpuflags="-mcpu=604"
2796             disable altivec
2797         ;;
2798         g3|75*|ppc75*|powerpc75*)
2799             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2800             disable altivec
2801         ;;
2802         g4|745*|ppc745*|powerpc745*)
2803             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2804         ;;
2805         74*|ppc74*|powerpc74*)
2806             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2807         ;;
2808         g5|970|ppc970|powerpc970)
2809             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2810         ;;
2811         power[3-7]*)
2812             cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2813         ;;
2814         cell)
2815             cpuflags="-mcpu=cell"
2816             enable ldbrx
2817         ;;
2818         e500mc)
2819             cpuflags="-mcpu=e500mc"
2820             disable altivec
2821         ;;
2822         e500v2)
2823             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2824             disable altivec
2825         ;;
2826         e500)
2827             cpuflags="-mcpu=8540 -mhard-float"
2828             disable altivec
2829         ;;
2830     esac
2831
2832 elif enabled x86; then
2833
2834     case $cpu in
2835         i[345]86|pentium)
2836             cpuflags="-march=$cpu"
2837             disable mmx
2838         ;;
2839         # targets that do NOT support conditional mov (cmov)
2840         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2841             cpuflags="-march=$cpu"
2842             disable cmov
2843         ;;
2844         # targets that do support conditional mov (cmov)
2845         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom|bdver*)
2846             cpuflags="-march=$cpu"
2847             enable cmov
2848             enable fast_cmov
2849         ;;
2850         # targets that do support conditional mov but on which it's slow
2851         pentium4|pentium4m|prescott|nocona)
2852             cpuflags="-march=$cpu"
2853             enable cmov
2854             disable fast_cmov
2855         ;;
2856     esac
2857
2858 elif enabled sparc; then
2859
2860     case $cpu in
2861         niagara)
2862             cpuflags="-mcpu=$cpu"
2863             disable vis
2864         ;;
2865         sparc64)
2866             cpuflags="-mcpu=v9"
2867         ;;
2868     esac
2869
2870 elif enabled arm; then
2871
2872     case $cpu in
2873         armv*)
2874             cpuflags="-march=$cpu"
2875             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2876         ;;
2877         *)
2878             cpuflags="-mcpu=$cpu"
2879             case $cpu in
2880                 cortex-a*)                               subarch=armv7a  ;;
2881                 cortex-r*)                               subarch=armv7r  ;;
2882                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2883                 arm11*)                                  subarch=armv6   ;;
2884                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2885                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2886             esac
2887         ;;
2888     esac
2889
2890 elif enabled alpha; then
2891
2892     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2893
2894 elif enabled bfin; then
2895
2896     cpuflags="-mcpu=$cpu"
2897
2898 elif enabled mips; then
2899
2900     cpuflags="-march=$cpu"
2901
2902     case $cpu in
2903         24kc)
2904             disable mipsfpu
2905             disable mipsdspr1
2906             disable mipsdspr2
2907         ;;
2908         24kf*)
2909             disable mipsdspr1
2910             disable mipsdspr2
2911         ;;
2912         24kec|34kc|1004kc)
2913             disable mipsfpu
2914             disable mipsdspr2
2915         ;;
2916         24kef*|34kf*|1004kf*)
2917             disable mipsdspr2
2918         ;;
2919         74kc)
2920             disable mipsfpu
2921         ;;
2922     esac
2923
2924 elif enabled avr32; then
2925
2926     case $cpu in
2927         ap7[02]0[0-2])
2928             subarch="avr32_ap"
2929             cpuflags="-mpart=$cpu"
2930         ;;
2931         ap)
2932             subarch="avr32_ap"
2933             cpuflags="-march=$cpu"
2934         ;;
2935         uc3[ab]*)
2936             subarch="avr32_uc"
2937             cpuflags="-mcpu=$cpu"
2938         ;;
2939         uc)
2940             subarch="avr32_uc"
2941             cpuflags="-march=$cpu"
2942         ;;
2943     esac
2944
2945 fi
2946
2947 add_cflags $cpuflags
2948 add_asflags $cpuflags
2949
2950 # compiler sanity check
2951 check_exec <<EOF
2952 int main(void){ return 0; }
2953 EOF
2954 if test "$?" != 0; then
2955     echo "$cc is unable to create an executable file."
2956     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2957         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2958         echo "Only do this if you know what cross compiling means."
2959     fi
2960     die "C compiler test failed."
2961 fi
2962
2963 add_cppflags -D_ISOC99_SOURCE
2964 add_cxxflags -D__STDC_CONSTANT_MACROS
2965 check_cflags -std=c99
2966 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2967 #include <stdlib.h>
2968 EOF
2969 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2970 #include <stdlib.h>
2971 EOF
2972
2973 check_host_cflags -std=c99
2974 check_host_cflags -Wall
2975
2976 case "$arch" in
2977     alpha|ia64|mips|parisc|sparc)
2978         spic=$shared
2979     ;;
2980     x86)
2981         subarch="x86_32"
2982         check_code cc "" "int test[(int)sizeof(char*) - 7]" && subarch="x86_64"
2983         if test "$subarch" = "x86_64"; then
2984             spic=$shared
2985         fi
2986     ;;
2987     ppc)
2988         check_cc <<EOF && subarch="ppc64"
2989         int test[(int)sizeof(char*) - 7];
2990 EOF
2991     ;;
2992 esac
2993
2994 enable $subarch
2995 enabled spic && enable pic
2996
2997 # OS specific
2998 case $target_os in
2999     haiku)
3000         prefix_default="/boot/common"
3001         network_extralibs="-lnetwork"
3002         host_libs=
3003         ;;
3004     sunos)
3005         FFSERVERLDFLAGS=""
3006         SHFLAGS='-shared -Wl,-h,$$(@F)'
3007         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3008         network_extralibs="-lsocket -lnsl"
3009         add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3010         # When using suncc to build, the Solaris linker will mark
3011         # an executable with each instruction set encountered by
3012         # the Solaris assembler.  As our libraries contain their own
3013         # guards for processor-specific code, instead suppress
3014         # generation of the HWCAPS ELF section on Solaris x86 only.
3015         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
3016         nm_default='nm -P -g'
3017         ;;
3018     netbsd)
3019         disable symver
3020         oss_indev_extralibs="-lossaudio"
3021         oss_outdev_extralibs="-lossaudio"
3022         enabled gcc || check_ldflags -Wl,-zmuldefs
3023         ;;
3024     openbsd|bitrig)
3025         # On OpenBSD 4.5. the compiler does not use PIC unless
3026         # explicitly using -fPIC. FFmpeg builds fine without PIC,
3027         # however the generated executable will not do anything
3028         # (simply quits with exit-code 1, no crash, no output).
3029         # Thus explicitly enable PIC here.
3030         enable pic
3031         disable symver
3032         SHFLAGS='-shared'
3033         SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBVERSION)'
3034         SLIB_INSTALL_LINKS=
3035         oss_indev_extralibs="-lossaudio"
3036         oss_outdev_extralibs="-lossaudio"
3037         ;;
3038     dragonfly)
3039         disable symver
3040         ;;
3041     freebsd)
3042         ;;
3043     bsd/os)
3044         add_extralibs -lpoll -lgnugetopt
3045         strip="strip -d"
3046         ;;
3047     darwin)
3048         gas="gas-preprocessor.pl $cc"
3049         enabled ppc && add_asflags -force_cpusubtype_ALL
3050         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3051         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3052         strip="${strip} -x"
3053         add_ldflags -Wl,-dynamic,-search_paths_first
3054         SLIBSUF=".dylib"
3055         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3056         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3057         FFSERVERLDFLAGS=-Wl,-bind_at_load
3058         objformat="macho"
3059         enabled x86_64 && objformat="macho64"
3060         enabled_any pic shared ||
3061             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3062         ;;
3063     mingw32*)
3064         if test $target_os = "mingw32ce"; then
3065             disable network
3066         else
3067             target_os=mingw32
3068         fi
3069         LIBTARGET=i386
3070         if enabled x86_64; then
3071             LIBTARGET="i386:x86-64"
3072         elif enabled arm; then
3073             LIBTARGET=arm-wince
3074         fi
3075         shlibdir_default="$bindir_default"
3076         SLIBPREF=""
3077         SLIBSUF=".dll"
3078         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3079         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3080         dlltool="${cross_prefix}dlltool"
3081         if check_cmd lib.exe -list; then
3082             SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3083             if enabled x86_64; then
3084                 LIBTARGET=x64
3085             fi
3086         elif check_cmd $dlltool --version; then
3087             SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3088         fi
3089         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3090         SLIB_INSTALL_LINKS=
3091         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3092         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3093         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3094         objformat="win32"
3095         ranlib=:
3096         enable dos_paths
3097         check_cflags -fno-common
3098         add_cppflags -U__STRICT_ANSI__
3099         ;;
3100     cygwin*)
3101         target_os=cygwin
3102         shlibdir_default="$bindir_default"
3103         SLIBPREF="cyg"
3104         SLIBSUF=".dll"
3105         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3106         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3107         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3108         SLIB_INSTALL_LINKS=
3109         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3110         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3111         objformat="win32"
3112         enable dos_paths
3113         check_cflags -fno-common
3114         add_cppflags -U__STRICT_ANSI__
3115         ;;
3116     *-dos|freedos|opendos)
3117         network_extralibs="-lsocket"
3118         objformat="coff"
3119         enable dos_paths
3120         add_cppflags -U__STRICT_ANSI__
3121         ;;
3122     linux)
3123         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3124         enable dv1394
3125         ;;
3126     irix*)
3127         target_os=irix
3128         ranlib="echo ignoring ranlib"
3129         ;;
3130     os/2*)
3131         strip="lxlite -CS"
3132         ln_s="cp -f"
3133         objformat="aout"
3134         add_cppflags -D_GNU_SOURCE
3135         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3136         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3137         FFSERVERLDFLAGS=""
3138         LIBSUF="_s.a"
3139         SLIBPREF=""
3140         SLIBSUF=".dll"
3141         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3142         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3143         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3144             echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3145             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3146             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3147             echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3148             emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3149         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3150             emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3151         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3152         enable dos_paths
3153         enable_weak os2threads
3154         ;;
3155     gnu/kfreebsd)
3156         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
3157         ;;
3158     gnu)
3159         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3160         ;;
3161     qnx)
3162         add_cppflags -D_QNX_SOURCE
3163         network_extralibs="-lsocket"
3164         ;;
3165     symbian)
3166         SLIBSUF=".dll"
3167         enable dos_paths
3168         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3169         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3170         add_ldflags -Wl,--target1-abs,--no-undefined \
3171                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3172                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3173         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3174                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3175                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3176         ;;
3177     none)
3178         ;;
3179     *)
3180         die "Unknown OS '$target_os'."
3181         ;;
3182 esac
3183
3184 # determine libc flavour
3185
3186 if check_cpp_condition features.h "defined __UCLIBC__"; then
3187     libc_type=uclibc
3188 elif check_cpp_condition features.h "defined __GLIBC__"; then
3189     libc_type=glibc
3190 elif check_header _mingw.h; then
3191     libc_type=mingw
3192     check_cpp_condition _mingw.h \
3193         "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3194             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3195         die "ERROR: MinGW runtime version must be >= 3.15."
3196 elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3197     libc_type=newlib
3198 elif check_func_headers stdlib.h _get_doserrno; then
3199     libc_type=msvcrt
3200     add_cflags -Dstrtod=avpriv_strtod
3201     add_cflags -Dsnprintf=avpriv_snprintf   \
3202                -D_snprintf=avpriv_snprintf  \
3203                -Dvsnprintf=avpriv_vsnprintf
3204 elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3205     libc_type=klibc
3206 fi
3207
3208 test -n "$libc_type" && enable $libc_type
3209
3210 esc(){
3211     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3212 }
3213
3214 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
3215
3216 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
3217
3218 set_default $PATHS_LIST
3219 set_default nm
3220
3221 # we need to build at least one lib type
3222 if ! enabled_any static shared; then
3223     cat <<EOF
3224 At least one library type must be built.
3225 Specify --enable-static to build the static libraries or --enable-shared to
3226 build the shared libraries as well. To only build the shared libraries specify
3227 --disable-static in addition to --enable-shared.
3228 EOF
3229     exit 1;
3230 fi
3231
3232 die_license_disabled() {
3233     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3234 }
3235
3236 die_license_disabled_gpl() {
3237     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
3238 }
3239
3240 die_license_disabled gpl libcdio
3241 die_license_disabled gpl libutvideo
3242 die_license_disabled gpl libx264
3243 die_license_disabled gpl libxavs
3244 die_license_disabled gpl libxvid
3245 die_license_disabled gpl x11grab
3246
3247 die_license_disabled nonfree libaacplus
3248 die_license_disabled nonfree libfaac
3249 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
3250 enabled gpl && die_license_disabled_gpl nonfree openssl
3251
3252 die_license_disabled version3 libopencore_amrnb
3253 die_license_disabled version3 libopencore_amrwb
3254 die_license_disabled version3 libvo_aacenc
3255 die_license_disabled version3 libvo_amrwbenc
3256
3257 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3258
3259 disabled optimizations || check_cflags -fomit-frame-pointer
3260
3261 enable_pic() {
3262     enable pic
3263     add_cppflags -DPIC
3264     add_cflags   -fPIC
3265     add_asflags  -fPIC
3266 }
3267
3268 enabled pic && enable_pic
3269
3270 check_cc <<EOF || die "Symbol mangling check failed."
3271 int ff_extern;
3272 EOF
3273 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3274 extern_prefix=${sym%%ff_extern*}
3275
3276 check_cc <<EOF && enable_weak inline_asm
3277 void foo(void) { __asm__ volatile ("" ::); }
3278 EOF
3279
3280 _restrict=
3281 for restrict_keyword in restrict __restrict__ __restrict; do
3282     check_cc <<EOF && _restrict=$restrict_keyword && break
3283 void foo(char * $restrict_keyword p);
3284 EOF
3285 done
3286
3287 check_cc <<EOF && enable attribute_packed
3288 struct { int x; } __attribute__((packed)) x;
3289 EOF
3290
3291 check_cc <<EOF && enable attribute_may_alias
3292 union { int x; } __attribute__((may_alias)) x;
3293 EOF
3294
3295 check_cc <<EOF || die "endian test failed"
3296 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3297 EOF
3298 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3299
3300 if enabled alpha; then
3301
3302     check_cflags -mieee
3303
3304 elif enabled arm; then
3305
3306     enabled thumb && check_cflags -mthumb || check_cflags -marm
3307     nogas=die
3308
3309     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3310         enable vfp_args
3311     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3312         case "${cross_prefix:-$cc}" in
3313             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
3314             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3315 __asm__ (".eabi_attribute 28, 1");
3316 int main(void) { return 0; }
3317 EOF
3318         esac
3319         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3320     fi
3321
3322     enabled armv5te && check_inline_asm armv5te '"qadd r0, r0, r0"'
3323     enabled armv6   && check_inline_asm armv6   '"sadd16 r0, r0, r0"'
3324     enabled armv6t2 && check_inline_asm armv6t2 '"movt r0, #0"'
3325     enabled armvfp  && check_inline_asm armvfp  '"fadds s0, s0, s0"'
3326     enabled neon    && check_inline_asm neon    '"vadd.i16 q0, q0, q0"'
3327     enabled vfpv3   && check_inline_asm vfpv3   '"vmov.f32 s0, #1.0"'
3328
3329     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3330     check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
3331
3332     enabled_all armv6t2 shared !pic && enable_pic
3333
3334 elif enabled mips; then
3335
3336     check_inline_asm loongson '"dmult.g $1, $2, $3"'
3337     enabled mmi && check_inline_asm mmi '"lq $2, 0($2)"'
3338     enabled mips32r2  && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
3339      check_inline_asm mips32r2  '"rotr $t0, $t1, 1"'
3340     enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
3341      check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
3342     enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
3343      check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
3344     enabled mipsfpu   && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
3345      check_inline_asm mipsfpu   '"madd.d $f0, $f2, $f4, $f6"'
3346
3347 elif enabled ppc; then
3348
3349     enable local_aligned_8 local_aligned_16
3350
3351     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
3352     check_inline_asm ibm_asm   '"add 0, 0, 0"'
3353     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'
3354     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
3355
3356     # AltiVec flags: The FSF version of GCC differs from the Apple version
3357     if enabled altivec; then
3358         nogas=warn
3359         check_cflags -maltivec -mabi=altivec &&
3360         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3361         check_cflags -faltivec
3362
3363         # check if our compiler supports Motorola AltiVec C API
3364         check_cc <<EOF || disable altivec
3365 $inc_altivec_h
3366 int main(void) {
3367     vector signed int v1 = (vector signed int) { 0 };
3368     vector signed int v2 = (vector signed int) { 1 };
3369     v1 = vec_add(v1, v2);
3370     return 0;
3371 }
3372 EOF
3373
3374         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
3375     fi
3376
3377 elif enabled sparc; then
3378
3379     enabled vis &&
3380         check_inline_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
3381             add_cflags -mcpu=ultrasparc -mtune=ultrasparc
3382
3383 elif enabled x86; then
3384
3385     check_code ld immintrin.h "return __xgetbv(0)" "cc" && enable xgetbv
3386     check_code ld intrin.h "int info[4]; __cpuid(info, 0)" "cc" && enable cpuid
3387     check_code ld intrin.h "__rdtsc()" "cc" && enable rdtsc
3388     check_code ld intrin.h "unsigned int x = __readeflags()" "cc" && enable rweflags
3389
3390     check_code ld mmintrin.h "_mm_empty()" "cc" && enable mm_empty
3391
3392     enable local_aligned_8 local_aligned_16
3393
3394     # check whether EBP is available on x86
3395     # As 'i' is stored on the stack, this program will crash
3396     # if the base pointer is used to access it because the
3397     # base pointer is cleared in the inline assembly code.
3398     check_exec_crash <<EOF && enable ebp_available
3399 volatile int i=0;
3400 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
3401 return i;
3402 EOF
3403
3404     # check whether EBX is available on x86
3405     check_inline_asm ebx_available '""::"b"(0)' &&
3406         check_inline_asm ebx_available '"":::"%ebx"'
3407
3408     # check whether xmm clobbers are supported
3409     check_inline_asm xmm_clobbers '"":::"%xmm0"'
3410
3411     # check whether binutils is new enough to compile SSSE3/MMXEXT
3412     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'
3413     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
3414
3415     if ! disabled_any asm mmx yasm; then
3416         if check_cmd $yasmexe --version; then
3417             enabled x86_64 && yasm_extra="-m amd64"
3418             yasm_debug="-g dwarf2"
3419         elif check_cmd nasm -v; then
3420             yasmexe=nasm
3421             yasm_debug="-g -F dwarf"
3422             enabled x86_64 && test "$objformat" = elf && objformat=elf64
3423         fi
3424
3425         YASMFLAGS="-f $objformat $yasm_extra"
3426         enabled pic               && append YASMFLAGS "-DPIC"
3427         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
3428         case "$objformat" in
3429             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3430         esac
3431
3432         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3433             die "yasm not found, use --disable-yasm for a crippled build"
3434         check_yasm "vextractf128 xmm0, ymm0, 0"      || disable avx_external
3435         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
3436         check_yasm "CPU amdnop" && enable cpunop
3437     fi
3438
3439     case "$cpu" in
3440         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3441             disable fast_clz
3442         ;;
3443     esac
3444
3445 fi
3446
3447 if enabled asm; then
3448     as=${gas:=$as}
3449     check_inline_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3450         $nogas "GNU assembler not found, install gas-preprocessor"
3451 fi
3452
3453 check_ldflags -Wl,--as-needed
3454
3455 if check_func dlopen; then
3456     ldl=
3457 elif check_func dlopen -ldl; then
3458     ldl=-ldl
3459 fi
3460
3461 if enabled network; then
3462     check_type "sys/types.h sys/socket.h" socklen_t
3463     check_type netdb.h "struct addrinfo"
3464     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
3465     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
3466     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3467     check_type netinet/in.h "struct sockaddr_in6"
3468     check_type poll.h "struct pollfd"
3469     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3470     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3471     check_type netinet/sctp.h "struct sctp_event_subscribe"
3472     check_func getaddrinfo $network_extralibs
3473     # Prefer arpa/inet.h over winsock2
3474     if check_header arpa/inet.h ; then
3475         check_func closesocket
3476     elif check_header winsock2.h ; then
3477         check_func_headers winsock2.h closesocket -lws2 &&
3478             network_extralibs="-lws2" ||
3479         { check_func_headers winsock2.h closesocket -lws2_32 &&
3480             network_extralibs="-lws2_32"; }
3481         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
3482         check_type ws2tcpip.h socklen_t
3483         check_type ws2tcpip.h "struct addrinfo"
3484         check_type ws2tcpip.h "struct group_source_req"
3485         check_type ws2tcpip.h "struct ip_mreq_source"
3486         check_type ws2tcpip.h "struct ipv6_mreq"
3487         check_type winsock2.h "struct pollfd"
3488         check_type ws2tcpip.h "struct sockaddr_in6"
3489         check_type ws2tcpip.h "struct sockaddr_storage"
3490         check_struct winsock2.h "struct sockaddr" sa_len
3491     else
3492         disable network
3493     fi
3494 fi
3495
3496 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3497 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3498
3499 check_func  clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
3500 check_func  fcntl
3501 check_func  fork
3502 check_func  gethrtime
3503 check_func  getopt
3504 check_func  getrusage
3505 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3506 check_func  gettimeofday
3507 check_func  inet_aton $network_extralibs
3508 check_func  isatty
3509 check_func  localtime_r
3510 check_func  ${malloc_prefix}memalign            && enable memalign
3511 check_func  mkstemp
3512 check_func  mmap
3513 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
3514 check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc
3515 check_func  setrlimit
3516 check_func  strerror_r
3517 check_func  sched_getaffinity
3518 check_func  sysconf
3519 check_func  sysctl
3520 check_func  usleep
3521 check_func_headers conio.h kbhit
3522 check_func_headers windows.h PeekNamedPipe
3523 check_func_headers io.h setmode
3524 check_func_headers lzo/lzo1x.h lzo1x_999_compress
3525 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
3526 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3527 check_func_headers windows.h GetProcessAffinityMask
3528 check_func_headers windows.h GetProcessTimes
3529 check_func_headers windows.h GetSystemTimeAsFileTime
3530 check_func_headers windows.h MapViewOfFile
3531 check_func_headers windows.h Sleep
3532 check_func_headers windows.h VirtualAlloc
3533 check_func_headers glob.h glob
3534
3535 check_header direct.h
3536 check_header dlfcn.h
3537 check_header dxva.h
3538 check_header dxva2api.h -D_WIN32_WINNT=0x0600
3539 check_header io.h
3540 check_header libcrystalhd/libcrystalhd_if.h
3541 check_header malloc.h
3542 check_header poll.h
3543 check_header sys/mman.h
3544 check_header sys/param.h
3545 check_header sys/resource.h
3546 check_header sys/select.h
3547 check_header sys/time.h
3548 check_header termios.h
3549 check_header unistd.h
3550 check_header vdpau/vdpau.h
3551 check_header vdpau/vdpau_x11.h
3552 check_header windows.h
3553 check_header X11/extensions/XvMClib.h
3554 check_header asm/types.h
3555
3556 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3557 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3558
3559 # check for VDA header
3560 if ! disabled vda && ! enabled ppc; then
3561     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3562         enable vda
3563         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3564     fi
3565 fi
3566
3567 if ! disabled w32threads && ! enabled pthreads; then
3568     check_func _beginthreadex && enable w32threads
3569 fi
3570
3571 # check for some common methods of building with pthread support
3572 # do this before the optional library checks as some of them require pthreads
3573 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3574     enable pthreads
3575     if check_func pthread_create; then
3576         :
3577     elif check_func pthread_create -pthread; then
3578         add_cflags -pthread
3579         add_extralibs -pthread
3580     elif check_func pthread_create -pthreads; then
3581         add_cflags -pthreads
3582         add_extralibs -pthreads
3583     elif check_func pthread_create -lpthreadGC2; then
3584         add_extralibs -lpthreadGC2
3585     elif ! check_lib pthread.h pthread_create -lpthread; then
3586         disable pthreads
3587     fi
3588 fi
3589
3590 for thread in $THREADS_LIST; do
3591     if enabled $thread; then
3592         test -n "$thread_type" &&
3593             die "ERROR: Only one thread type must be selected." ||
3594             thread_type="$thread"
3595     fi
3596 done
3597
3598 if enabled pthreads; then
3599   check_func pthread_cancel
3600 fi
3601
3602 check_lib math.h sin -lm && LIBM="-lm"
3603 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3604 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3605
3606 check_mathfunc cbrtf
3607 check_mathfunc exp2
3608 check_mathfunc exp2f
3609 check_mathfunc isinf
3610 check_mathfunc isnan
3611 check_mathfunc llrint
3612 check_mathfunc llrintf
3613 check_mathfunc log2
3614 check_mathfunc log2f
3615 check_mathfunc lrint
3616 check_mathfunc lrintf
3617 check_mathfunc rint
3618 check_mathfunc round
3619 check_mathfunc roundf
3620 check_mathfunc trunc
3621 check_mathfunc truncf
3622
3623 # these are off by default, so fail if requested and not available
3624 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3625 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
3626 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3627 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3628 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
3629 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3630 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3631 enabled libbluray  && require libbluray libbluray/bluray.h bd_open -lbluray
3632 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0 &&
3633                       { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
3634                         die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
3635 enabled libcaca    && require_pkg_config caca caca.h caca_create_canvas
3636 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3637 enabled libfdk_aac && require  libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
3638 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"
3639 enabled libflite   && require2 libflite "flite/flite.h" flite_init $flite_libs
3640 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3641 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3642 enabled libilbc    && require  libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
3643 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3644 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3645 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3646 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3647 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3648 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3649 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3650 enabled libopus    && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
3651 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3652 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3653 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3654 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3655 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3656     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3657     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
3658 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3659 enabled libtwolame && require  libtwolame twolame.h twolame_init -ltwolame &&
3660                       { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
3661                         die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
3662 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3663 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3664 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3665 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3666 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3667 enabled libvpx     && {
3668     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3669                                 die "ERROR: libvpx decoder must be installed and version must be >=0.9.1"; }
3670     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
3671                                 die "ERROR: libvpx encoder version must be >=0.9.7"; } }
3672 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3673                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3674                         die "ERROR: libx264 must be installed and version must be >= 0.118."; }
3675 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3676 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3677 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3678                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3679                         die "ERROR: openal not found"; } &&
3680                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3681                         die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
3682 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3683                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3684                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3685                         die "ERROR: openssl not found"; }
3686
3687 if enabled gnutls; then
3688     { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
3689     { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
3690 fi
3691
3692 # libdc1394 check
3693 if enabled libdc1394; then
3694     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3695         enable libdc1394_2; } ||
3696     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3697         enable libdc1394_1; } ||
3698     die "ERROR: No version of libdc1394 found "
3699 fi
3700
3701 SDL_CONFIG="${cross_prefix}sdl-config"
3702 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3703     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3704     enable sdl &&
3705     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3706 else
3707   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3708     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3709     sdl_libs=$("${SDL_CONFIG}" --libs)
3710     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3711     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3712     enable sdl &&
3713     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3714   fi
3715 fi
3716 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3717
3718 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
3719 makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
3720 perl --version > /dev/null 2>&1 && enable perl || disable perl
3721 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
3722
3723 check_header linux/fb.h
3724 check_header linux/videodev.h
3725 check_header linux/videodev2.h
3726 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3727
3728 check_header sys/videoio.h
3729
3730 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3731 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3732 # w32api 3.12 had it defined wrong
3733 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3734
3735 check_type "dshow.h" IBaseFilter
3736
3737 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3738 { check_header dev/bktr/ioctl_meteor.h &&
3739   check_header dev/bktr/ioctl_bt848.h; } ||
3740 { check_header machine/ioctl_meteor.h &&
3741   check_header machine/ioctl_bt848.h; } ||
3742 { check_header dev/video/meteor/ioctl_meteor.h &&
3743   check_header dev/video/bktr/ioctl_bt848.h; } ||
3744 check_header dev/ic/bt8xx.h
3745
3746 check_header sndio.h
3747 if check_struct sys/soundcard.h audio_buf_info bytes; then
3748     enable_safe sys/soundcard.h
3749 else
3750     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3751     #include <sys/soundcard.h>
3752     audio_buf_info abc;
3753 EOF
3754 fi
3755 check_header soundcard.h
3756
3757 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3758
3759 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
3760     check_func jack_port_get_latency_range -ljack
3761
3762 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3763
3764 enabled libcdio &&
3765     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3766
3767 enabled x11grab                                           &&
3768 require X11 X11/Xlib.h XOpenDisplay -lX11                 &&
3769 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3770 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3771
3772 if ! disabled vaapi; then
3773     check_lib va/va.h vaInitialize -lva && {
3774         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3775         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3776     } || disable vaapi
3777 fi
3778
3779 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3780     check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3781         { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." && disable vdpau; }
3782 fi
3783
3784 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3785 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3786 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"
3787
3788 # add some useful compiler flags if supported
3789 check_cflags -Wdeclaration-after-statement
3790 check_cflags -Wall
3791 check_cflags -Wno-parentheses
3792 check_cflags -Wno-switch
3793 check_cflags -Wno-format-zero-length
3794 check_cflags -Wdisabled-optimization
3795 check_cflags -Wpointer-arith
3796 check_cflags -Wredundant-decls
3797 check_cflags -Wno-pointer-sign
3798 check_cflags -Wwrite-strings
3799 check_cflags -Wtype-limits
3800 check_cflags -Wundef
3801 check_cflags -Wmissing-prototypes
3802 check_cflags -Wno-pointer-to-int-cast
3803 check_cflags -Wstrict-prototypes
3804 enabled extra_warnings && check_cflags -Winline
3805
3806 # add some linker flags
3807 check_ldflags -Wl,--warn-common
3808 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3809 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3810
3811 enabled xmm_clobber_test &&
3812     check_ldflags -Wl,--wrap,avcodec_open2              \
3813                   -Wl,--wrap,avcodec_decode_audio4      \
3814                   -Wl,--wrap,avcodec_decode_video2      \
3815                   -Wl,--wrap,avcodec_decode_subtitle2   \
3816                   -Wl,--wrap,avcodec_encode_audio2      \
3817                   -Wl,--wrap,avcodec_encode_video       \
3818                   -Wl,--wrap,avcodec_encode_subtitle    \
3819                   -Wl,--wrap,sws_scale ||
3820     disable xmm_clobber_test
3821
3822 echo "X{};" > $TMPV
3823 if test_ldflags -Wl,--version-script,$TMPV; then
3824     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3825     check_cc <<EOF && enable symver_asm_label
3826 void ff_foo(void) __asm__ ("av_foo@VERSION");
3827 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3828 EOF
3829     check_cc <<EOF && enable symver_gnu_asm
3830 __asm__(".symver ff_foo,av_foo@VERSION");
3831 void ff_foo(void) {}
3832 EOF
3833 fi
3834
3835 if [ -n "$optflags" ]; then
3836     add_cflags $optflags
3837 elif enabled small; then
3838     add_cflags $cflags_size
3839 elif enabled optimizations; then
3840     add_cflags $cflags_speed
3841 else
3842     add_cflags $cflags_noopt
3843 fi
3844 check_cflags -fno-math-errno
3845 check_cflags -fno-signed-zeros
3846 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3847 int x;
3848 EOF
3849
3850
3851 if enabled icc; then
3852     # Just warnings, no remarks
3853     check_cflags -w1
3854     # -wd: Disable following warnings
3855     # 144, 167, 556: -Wno-pointer-sign
3856     # 1292: attribute "foo" ignored
3857     # 1419: external declaration in primary source file
3858     # 10006: ignoring unknown option -fno-signed-zeros
3859     # 10148: ignoring unknown option -Wno-parentheses
3860     # 10156: ignoring option '-W'; no argument required
3861     check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3862     # 11030: Warning unknown option --as-needed
3863     # 10156: ignoring option '-export'; no argument required
3864     check_ldflags -wd10156,11030
3865     # Allow to compile with optimizations
3866     check_ldflags -march=$cpu
3867     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3868     enable ebp_available
3869     if enabled x86_32; then
3870         icc_version=$($cc -dumpversion)
3871         test ${icc_version%%.*} -ge 11 &&
3872             check_cflags -falign-stack=maintain-16-byte ||
3873             disable aligned_stack
3874     fi
3875 elif enabled ccc; then
3876     # disable some annoying warnings
3877     add_cflags -msg_disable cvtu32to64
3878     add_cflags -msg_disable embedcomment
3879     add_cflags -msg_disable needconstext
3880     add_cflags -msg_disable nomainieee
3881     add_cflags -msg_disable ptrmismatch1
3882     add_cflags -msg_disable unreachcode
3883 elif enabled gcc; then
3884     check_cflags -fno-tree-vectorize
3885     check_cflags -Werror=implicit-function-declaration
3886     check_cflags -Werror=missing-prototypes
3887 elif enabled llvm_gcc; then
3888     check_cflags -mllvm -stack-alignment=16
3889 elif enabled clang; then
3890     check_cflags -mllvm -stack-alignment=16
3891     check_cflags -Qunused-arguments
3892 elif enabled armcc; then
3893     # 2523: use of inline assembler is deprecated
3894     add_cflags -W${armcc_opt},--diag_suppress=2523
3895     add_cflags -W${armcc_opt},--diag_suppress=1207
3896     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3897     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3898     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3899     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3900 elif enabled tms470; then
3901     add_cflags -pds=824 -pds=837
3902 elif enabled pathscale; then
3903     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3904 elif enabled msvc; then
3905     enabled x86_32 && disable aligned_stack
3906 fi
3907
3908 enabled_any $THREADS_LIST      && enable threads
3909
3910 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3911
3912 check_deps $CONFIG_LIST       \
3913            $CONFIG_EXTRA      \
3914            $HAVE_LIST         \
3915            $ALL_COMPONENTS    \
3916            $ALL_TESTS         \
3917
3918
3919 if test $target_os = "haiku"; then
3920     disable memalign
3921     disable posix_memalign
3922 fi
3923
3924 ! enabled_any memalign posix_memalign aligned_malloc &&
3925     enabled_any $need_memalign && enable memalign_hack
3926
3927 # add_dep lib dep
3928 # -> enable ${lib}_deps_${dep}
3929 # -> add $dep to ${lib}_deps only once
3930 add_dep() {
3931     lib=$1
3932     dep=$2
3933     enabled "${lib}_deps_${dep}" && return 0
3934     enable  "${lib}_deps_${dep}"
3935     prepend "${lib}_deps" $dep
3936 }
3937
3938 # merge deps lib components
3939 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
3940 merge_deps() {
3941     lib=$1
3942     shift
3943     for comp in $*; do
3944         enabled $comp || continue
3945         eval "dep=\"\$${comp}_deps\""
3946         for d in $dep; do
3947             add_dep $lib $d
3948         done
3949     done
3950 }
3951
3952 merge_deps libavfilter $FILTER_LIST
3953
3954 echo "install prefix            $prefix"
3955 echo "source path               $source_path"
3956 echo "C compiler                $cc"
3957 echo "ARCH                      $arch ($cpu)"
3958 if test "$build_suffix" != ""; then
3959     echo "build suffix              $build_suffix"
3960 fi
3961 if test "$progs_suffix" != ""; then
3962     echo "progs suffix              $progs_suffix"
3963 fi
3964 if test "$extra_version" != ""; then
3965     echo "version string suffix     $extra_version"
3966 fi
3967 echo "big-endian                ${bigendian-no}"
3968 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3969 if enabled x86; then
3970     echo "${yasmexe}                      ${yasm-no}"
3971     echo "MMX enabled               ${mmx-no}"
3972     echo "MMXEXT enabled            ${mmxext-no}"
3973     echo "3DNow! enabled            ${amd3dnow-no}"
3974     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3975     echo "SSE enabled               ${sse-no}"
3976     echo "SSSE3 enabled             ${ssse3-no}"
3977     echo "AVX enabled               ${avx-no}"
3978     echo "FMA4 enabled              ${fma4-no}"
3979     echo "CMOV enabled              ${cmov-no}"
3980     echo "CMOV is fast              ${fast_cmov-no}"
3981     echo "EBX available             ${ebx_available-no}"
3982     echo "EBP available             ${ebp_available-no}"
3983 fi
3984 if enabled arm; then
3985     echo "ARMv5TE enabled           ${armv5te-no}"
3986     echo "ARMv6 enabled             ${armv6-no}"
3987     echo "ARMv6T2 enabled           ${armv6t2-no}"
3988     echo "ARM VFP enabled           ${armvfp-no}"
3989     echo "NEON enabled              ${neon-no}"
3990 fi
3991 if enabled mips; then
3992     echo "MMI enabled               ${mmi-no}"
3993     echo "MIPS FPU enabled          ${mipsfpu-no}"
3994     echo "MIPS32R2 enabled          ${mips32r2-no}"
3995     echo "MIPS DSP R1 enabled       ${mipsdspr1-no}"
3996     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"
3997 fi
3998 if enabled ppc; then
3999     echo "AltiVec enabled           ${altivec-no}"
4000     echo "PPC 4xx optimizations     ${ppc4xx-no}"
4001     echo "dcbzl available           ${dcbzl-no}"
4002 fi
4003 if enabled sparc; then
4004     echo "VIS enabled               ${vis-no}"
4005 fi
4006 echo "debug symbols             ${debug-no}"
4007 echo "strip symbols             ${stripping-no}"
4008 echo "optimize for size         ${small-no}"
4009 echo "optimizations             ${optimizations-no}"
4010 echo "static                    ${static-no}"
4011 echo "shared                    ${shared-no}"
4012 echo "postprocessing support    ${postproc-no}"
4013 echo "new filter support        ${avfilter-no}"
4014 echo "network support           ${network-no}"
4015 echo "threading support         ${thread_type-no}"
4016 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
4017 echo "SDL support               ${sdl-no}"
4018 echo "libdxva2 enabled          ${dxva2-no}"
4019 echo "libva enabled             ${vaapi-no}"
4020 echo "libvdpau enabled          ${vdpau-no}"
4021 echo "AVISynth enabled          ${avisynth-no}"
4022 echo "frei0r enabled            ${frei0r-no}"
4023 echo "gnutls enabled            ${gnutls-no}"
4024 echo "libaacplus enabled        ${libaacplus-no}"
4025 echo "libass enabled            ${libass-no}"
4026 echo "libcaca enabled           ${libcaca-no}"
4027 echo "libcdio support           ${libcdio-no}"
4028 echo "libcelt enabled           ${libcelt-no}"
4029 echo "libdc1394 support         ${libdc1394-no}"
4030 echo "libfaac enabled           ${libfaac-no}"
4031 echo "libfdk-aac enabled        ${libfdk_aac-no}"
4032 echo "libgsm enabled            ${libgsm-no}"
4033 echo "libiec61883 support       ${libiec61883-no}"
4034 echo "libilbc enabled           ${libilbc-no}"
4035 echo "libmodplug enabled        ${libmodplug-no}"
4036 echo "libmp3lame enabled        ${libmp3lame-no}"
4037 echo "libnut enabled            ${libnut-no}"
4038 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
4039 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
4040 echo "libopencv support         ${libopencv-no}"
4041 echo "libopenjpeg enabled       ${libopenjpeg-no}"
4042 echo "libopus enabled           ${libopus-no}"
4043 echo "libpulse enabled          ${libpulse-no}"
4044 echo "librtmp enabled           ${librtmp-no}"
4045 echo "libschroedinger enabled   ${libschroedinger-no}"
4046 echo "libspeex enabled          ${libspeex-no}"
4047 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
4048 echo "libtheora enabled         ${libtheora-no}"
4049 echo "libtwolame enabled        ${libtwolame-no}"
4050 echo "libutvideo enabled        ${libutvideo-no}"
4051 echo "libv4l2 enabled           ${libv4l2-no}"
4052 echo "libvo-aacenc support      ${libvo_aacenc-no}"
4053 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
4054 echo "libvorbis enabled         ${libvorbis-no}"
4055 echo "libvpx enabled            ${libvpx-no}"
4056 echo "libx264 enabled           ${libx264-no}"
4057 echo "libxavs enabled           ${libxavs-no}"
4058 echo "libxvid enabled           ${libxvid-no}"
4059 echo "openal enabled            ${openal-no}"
4060 echo "openssl enabled           ${openssl-no}"
4061 echo "zlib enabled              ${zlib-no}"
4062 echo "bzlib enabled             ${bzlib-no}"
4063 echo "texi2html enabled         ${texi2html-no}"
4064 echo "perl enabled              ${perl-no}"
4065 echo "pod2man enabled           ${pod2man-no}"
4066 echo "makeinfo enabled          ${makeinfo-no}"
4067 test -n "$random_seed" &&
4068     echo "random seed               ${random_seed}"
4069 echo
4070
4071 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
4072     echo "Enabled ${type}s:"
4073     eval list=\$$(toupper $type)_LIST
4074     print_enabled '_*' $list | sort | pr -r -3 -t
4075     echo
4076 done
4077
4078 license="LGPL version 2.1 or later"
4079 if enabled nonfree; then
4080     license="nonfree and unredistributable"
4081 elif enabled gplv3; then
4082     license="GPL version 3 or later"
4083 elif enabled lgplv3; then
4084     license="LGPL version 3 or later"
4085 elif enabled gpl; then
4086     license="GPL version 2 or later"
4087 fi
4088
4089 echo "License: $license"
4090
4091 echo "Creating config.mak and config.h..."
4092
4093 test -e Makefile || $ln_s "$source_path/Makefile" .
4094
4095 enabled stripping || strip="echo skipping strip"
4096
4097 config_files="$TMPH config.mak"
4098
4099 cat > config.mak <<EOF
4100 # Automatically generated by configure - do not modify!
4101 ifndef FFMPEG_CONFIG_MAK
4102 FFMPEG_CONFIG_MAK=1
4103 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
4104 prefix=$prefix
4105 LIBDIR=\$(DESTDIR)$libdir
4106 SHLIBDIR=\$(DESTDIR)$shlibdir
4107 INCDIR=\$(DESTDIR)$incdir
4108 BINDIR=\$(DESTDIR)$bindir
4109 DATADIR=\$(DESTDIR)$datadir
4110 MANDIR=\$(DESTDIR)$mandir
4111 SRC_PATH=$source_path
4112 ifndef MAIN_MAKEFILE
4113 SRC_PATH:=\$(SRC_PATH:.%=..%)
4114 endif
4115 CC_IDENT=$cc_ident
4116 ARCH=$arch
4117 CC=$cc
4118 CXX=$cxx
4119 AS=$as
4120 LD=$ld
4121 DEPCC=$dep_cc
4122 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
4123 DEPAS=$as
4124 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
4125 YASM=$yasmexe
4126 DEPYASM=$yasmexe
4127 AR=$ar
4128 ARFLAGS=$arflags
4129 AR_O=$ar_o
4130 RANLIB=$ranlib
4131 CP=cp -p
4132 LN_S=$ln_s
4133 STRIP=$strip
4134 CPPFLAGS=$CPPFLAGS
4135 CFLAGS=$CFLAGS
4136 CXXFLAGS=$CXXFLAGS
4137 ASFLAGS=$ASFLAGS
4138 AS_C=$AS_C
4139 AS_O=$AS_O
4140 CC_C=$CC_C
4141 CC_O=$CC_O
4142 CXX_C=$CXX_C
4143 CXX_O=$CXX_O
4144 LD_O=$LD_O
4145 LD_LIB=$LD_LIB
4146 LD_PATH=$LD_PATH
4147 DLLTOOL=$dlltool
4148 LDFLAGS=$LDFLAGS
4149 LDFLAGS-ffserver=$FFSERVERLDFLAGS
4150 SHFLAGS=$SHFLAGS
4151 YASMFLAGS=$YASMFLAGS
4152 BUILDSUF=$build_suffix
4153 PROGSSUF=$progs_suffix
4154 FULLNAME=$FULLNAME
4155 LIBPREF=$LIBPREF
4156 LIBSUF=$LIBSUF
4157 LIBNAME=$LIBNAME
4158 SLIBPREF=$SLIBPREF
4159 SLIBSUF=$SLIBSUF
4160 EXESUF=$EXESUF
4161 EXTRA_VERSION=$extra_version
4162 CCDEP=$CCDEP
4163 CXXDEP=$CXXDEP
4164 CCDEP_FLAGS=$CCDEP_FLAGS
4165 ASDEP=$ASDEP
4166 ASDEP_FLAGS=$ASDEP_FLAGS
4167 CC_DEPFLAGS=$CC_DEPFLAGS
4168 AS_DEPFLAGS=$AS_DEPFLAGS
4169 HOSTCC=$host_cc
4170 HOSTLD=$host_ld
4171 HOSTCFLAGS=$host_cflags
4172 HOSTEXESUF=$HOSTEXESUF
4173 HOSTLDFLAGS=$host_ldflags
4174 HOSTLIBS=$host_libs
4175 DEPHOSTCC=$host_cc
4176 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
4177 HOSTCCDEP=$HOSTCCDEP
4178 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
4179 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
4180 HOSTCC_C=$HOSTCC_C
4181 HOSTCC_O=$HOSTCC_O
4182 HOSTLD_O=$HOSTLD_O
4183 TARGET_EXEC=$target_exec
4184 TARGET_PATH=$target_path
4185 LIBS-ffplay=$sdl_libs
4186 CFLAGS-ffplay=$sdl_cflags
4187 ZLIB=$($ldflags_filter -lz)
4188 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
4189 EXTRALIBS=$extralibs
4190 INSTALL=$install
4191 LIBTARGET=${LIBTARGET}
4192 SLIBNAME=${SLIBNAME}
4193 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
4194 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
4195 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
4196 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
4197 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
4198 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
4199 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
4200 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
4201 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
4202 NOREDZONE_FLAGS=$noredzone_flags
4203 EOF
4204
4205 get_version(){
4206     lcname=$1
4207     name=$(toupper $lcname)
4208     file=$source_path/$lcname/version.h
4209     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
4210     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4211     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4212     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4213 }
4214
4215 get_version_old(){
4216     name=$1
4217     file=$source_path/$2
4218 # This condition will be removed when we stop supporting old libpostproc versions
4219 if ! test "$name" = LIBPOSTPROC || test "$postproc_version" = current; then
4220     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
4221     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4222 fi
4223     lcname=$(tolower $name)
4224     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4225     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4226 }
4227
4228 get_version_old LIBPOSTPROC libpostproc/postprocess.h
4229 get_version_old LIBSWRESAMPLE libswresample/swresample.h
4230
4231 get_version libavcodec
4232 get_version libavdevice
4233 get_version libavfilter
4234 get_version libavformat
4235 get_version libavresample
4236 get_version libavutil
4237 get_version libswscale
4238
4239 cat > $TMPH <<EOF
4240 /* Automatically generated by configure - do not modify! */
4241 #ifndef FFMPEG_CONFIG_H
4242 #define FFMPEG_CONFIG_H
4243 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
4244 #define FFMPEG_LICENSE "$(c_escape $license)"
4245 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
4246 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
4247 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
4248 #define av_restrict $_restrict
4249 #define EXTERN_PREFIX "${extern_prefix}"
4250 #define EXTERN_ASM ${extern_prefix}
4251 #define SLIBSUF "$SLIBSUF"
4252 #define HAVE_MMX2 HAVE_MMXEXT
4253 EOF
4254
4255 test -n "$assert_level" &&
4256     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
4257
4258 test -n "$malloc_prefix" &&
4259     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
4260
4261 if enabled yasm; then
4262     append config_files $TMPASM
4263     printf '' >$TMPASM
4264 fi
4265
4266 print_config ARCH_   "$config_files" $ARCH_LIST
4267 print_config HAVE_   "$config_files" $HAVE_LIST
4268 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
4269                                      $CONFIG_EXTRA      \
4270                                      $ALL_COMPONENTS    \
4271
4272 cat >>config.mak <<EOF
4273 LAVF_FATE_TESTS=$(print_enabled -n _test $LAVF_FATE_TESTS)
4274 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
4275 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
4276 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
4277 EOF
4278
4279 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
4280 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
4281
4282 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
4283 cp_if_changed $TMPH config.h
4284 touch .config
4285
4286 enabled yasm && cp_if_changed $TMPASM config.asm
4287
4288 cat > $TMPH <<EOF
4289 /* Generated by ffconf */
4290 #ifndef AVUTIL_AVCONFIG_H
4291 #define AVUTIL_AVCONFIG_H
4292 EOF
4293
4294 test "$postproc_version" != current && cat >> $TMPH <<EOF
4295 #define LIBPOSTPROC_VERSION_MAJOR $LIBPOSTPROC_VERSION_MAJOR
4296 #define LIBPOSTPROC_VERSION_MINOR $LIBPOSTPROC_VERSION_MINOR
4297 #define LIBPOSTPROC_VERSION_MICRO $LIBPOSTPROC_VERSION_MICRO
4298 EOF
4299
4300 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
4301
4302 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
4303
4304 cp_if_changed $TMPH libavutil/avconfig.h
4305
4306 test -n "$WARNINGS" && printf "\n$WARNINGS"
4307
4308 # build pkg-config files
4309
4310 pkgconfig_generate(){
4311     name=$1
4312     shortname=${name#lib}${build_suffix}
4313     comment=$2
4314     version=$3
4315     libs=$4
4316     requires=$5
4317     enabled ${name#lib} || return 0
4318     mkdir -p $name
4319     cat <<EOF > $name/$name.pc
4320 prefix=$prefix
4321 exec_prefix=\${prefix}
4322 libdir=$libdir
4323 includedir=$incdir
4324
4325 Name: $name
4326 Description: $comment
4327 Version: $version
4328 Requires: $(enabled shared || echo $requires)
4329 Requires.private: $(enabled shared && echo $requires)
4330 Conflicts:
4331 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4332 Libs.private: $(enabled shared && echo $libs)
4333 Cflags: -I\${includedir}
4334 EOF
4335
4336 mkdir -p doc/examples/pc-uninstalled
4337 includedir=${source_path}
4338 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
4339     cat <<EOF > doc/examples/pc-uninstalled/$name.pc
4340 prefix=
4341 exec_prefix=
4342 libdir=\${pcfiledir}/../../../$name
4343 includedir=${includedir}
4344
4345 Name: $name
4346 Description: $comment
4347 Version: $version
4348 Requires: $requires
4349 Conflicts:
4350 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4351 Cflags: -I\${includedir}
4352 EOF
4353 }
4354
4355 libavfilter_pc_deps=""
4356 enabled libavfilter_deps_avcodec    && prepend libavfilter_pc_deps "libavcodec = $LIBAVCODEC_VERSION,"
4357 enabled libavfilter_deps_avformat   && prepend libavfilter_pc_deps "libavformat = $LIBAVFORMAT_VERSION,"
4358 enabled libavfilter_deps_swscale    && prepend libavfilter_pc_deps "libswscale = $LIBSWSCALE_VERSION,"
4359 enabled libavfilter_deps_swresample && prepend libavfilter_pc_deps "libswresample = $LIBSWRESAMPLE_VERSION,"
4360 enabled libavfilter_deps_postproc   && prepend libavfilter_pc_deps "libpostproc = $LIBPOSTPROC_VERSION,"
4361 libavfilter_pc_deps=${libavfilter_pc_deps%, }
4362
4363 libavdevice_pc_deps="libavformat = $LIBAVFORMAT_VERSION"
4364 enabled lavfi_indev && prepend libavdevice_pc_deps "libavfilter = $LIBAVFILTER_VERSION,"
4365
4366 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
4367 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
4368 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
4369 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$libavdevice_pc_deps"
4370 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$libavfilter_pc_deps"
4371 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
4372 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
4373 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
4374 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
4375
4376 fix_ffmpeg_remote(){
4377     git_remote_from=$1
4378     git_remote_to=$2
4379     fixme_remote=$(git --git-dir=$source_path/.git --work-tree=$source_path remote -v | grep $git_remote_from | cut -f 1 | sort | uniq)
4380     if [ "$fixme_remote" != "" ]; then
4381         echolog "
4382 Outdated domain in git config, the official domain for ffmpeg git is since
4383 November 2011, source.ffmpeg.org, both the old and the new point to the same
4384 repository and server. To update it enter the following commands:
4385 "
4386         for remote in $fixme_remote; do
4387             echolog "git remote set-url $remote $git_remote_to"
4388         done
4389     fi
4390 }
4391
4392 if test -f "$source_path/.git/config"; then
4393     remote_from=git.videolan.org
4394     remote_to=source.ffmpeg.org
4395     fix_ffmpeg_remote git@$remote_from:ffmpeg   git@$remote_to:ffmpeg
4396     fix_ffmpeg_remote git://$remote_from/ffmpeg git://$remote_to/ffmpeg
4397 fi