Merge remote-tracking branch 'qatar/master'
[ffmpeg.git] / configure
1 #!/bin/sh
2 #
3 # FFmpeg configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18     echo "Trying shell $1"
19     type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30     echo "Broken shell detected.  Trying alternatives."
31     export FF_CONF_EXEC
32     if test "0$FF_CONF_EXEC" -lt 1; then
33         FF_CONF_EXEC=1
34         try_exec bash "$0" "$@"
35     fi
36     if test "0$FF_CONF_EXEC" -lt 2; then
37         FF_CONF_EXEC=2
38         try_exec ksh "$0" "$@"
39     fi
40     if test "0$FF_CONF_EXEC" -lt 3; then
41         FF_CONF_EXEC=3
42         try_exec /usr/xpg4/bin/sh "$0" "$@"
43     fi
44     echo "No compatible shell script interpreter found."
45     echo "This configure script requires a POSIX-compatible shell"
46     echo "such as bash or ksh."
47     echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48     echo "Instead, install a working POSIX-compatible shell."
49     echo "Disabling this configure test will create a broken FFmpeg."
50     if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51         echo "This bash version ($BASH_VERSION) is broken on your platform."
52         echo "Upgrade to a later version if available."
53     fi
54     exit 1
55 fi
56
57 show_help(){
58 cat <<EOF
59 Usage: configure [options]
60 Options: [defaults in brackets after descriptions]
61
62 Help options:
63   --help                   print this message
64   --list-decoders          show all available decoders
65   --list-encoders          show all available encoders
66   --list-hwaccels          show all available hardware accelerators
67   --list-demuxers          show all available demuxers
68   --list-muxers            show all available muxers
69   --list-parsers           show all available parsers
70   --list-protocols         show all available protocols
71   --list-bsfs              show all available bitstream filters
72   --list-indevs            show all available input devices
73   --list-outdevs           show all available output devices
74   --list-filters           show all available filters
75
76 Standard options:
77   --logfile=FILE           log tests and output to FILE [config.log]
78   --disable-logging        do not log configure debug information
79   --prefix=PREFIX          install in PREFIX [$prefix]
80   --bindir=DIR             install binaries in DIR [PREFIX/bin]
81   --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
82   --libdir=DIR             install libs in DIR [PREFIX/lib]
83   --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
84   --incdir=DIR             install includes in DIR [PREFIX/include]
85   --mandir=DIR             install man page in DIR [PREFIX/share/man]
86
87 Licensing options:
88   --enable-gpl             allow use of GPL code, the resulting libs
89                            and binaries will be under GPL [no]
90   --enable-version3        upgrade (L)GPL to version 3 [no]
91   --enable-nonfree         allow use of nonfree code, the resulting libs
92                            and binaries will be unredistributable [no]
93
94 Configuration options:
95   --disable-static         do not build static libraries [no]
96   --enable-shared          build shared libraries [no]
97   --enable-small           optimize for size instead of speed
98   --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
99   --enable-gray            enable full grayscale support (slower color)
100   --disable-swscale-alpha  disable alpha channel support in swscale
101
102 Documentation options:
103   --disable-doc            do not build documentation
104   --disable-htmlpages      do not build HTML documentation pages
105   --disable-manpages       do not build man documentation pages
106   --disable-podpages       do not build POD documentation pages
107   --disable-txtpages       do not build text documentation pages
108
109 Component options:
110   --disable-ffmpeg         disable ffmpeg build
111   --disable-ffplay         disable ffplay build
112   --disable-ffprobe        disable ffprobe build
113   --disable-ffserver       disable ffserver build
114   --disable-avdevice       disable libavdevice build
115   --disable-avcodec        disable libavcodec build
116   --disable-avformat       disable libavformat build
117   --disable-swresample     disable libswresample build
118   --disable-swscale        disable libswscale build
119   --disable-postproc       disable libpostproc build
120   --disable-avfilter       disable libavfilter build
121   --enable-avresample      enable libavresample build [no]
122   --disable-pthreads       disable pthreads [auto]
123   --disable-w32threads     disable Win32 threads [auto]
124   --disable-os2threads     disable OS/2 threads [auto]
125   --enable-x11grab         enable X11 grabbing [no]
126   --disable-network        disable network support [no]
127   --disable-dct            disable DCT code
128   --disable-dwt            disable DWT code
129   --disable-lsp            disable LSP code
130   --disable-mdct           disable MDCT code
131   --disable-rdft           disable RDFT code
132   --disable-fft            disable FFT code
133   --enable-dxva2           enable DXVA2 code
134   --enable-vaapi           enable VAAPI code [autodetect]
135   --enable-vda             enable VDA code   [autodetect]
136   --enable-vdpau           enable VDPAU code [autodetect]
137
138 Individual component options:
139   --disable-everything     disable all components listed below
140   --disable-encoder=NAME   disable encoder NAME
141   --enable-encoder=NAME    enable encoder NAME
142   --disable-encoders       disable all encoders
143   --disable-decoder=NAME   disable decoder NAME
144   --enable-decoder=NAME    enable decoder NAME
145   --disable-decoders       disable all decoders
146   --disable-hwaccel=NAME   disable hwaccel NAME
147   --enable-hwaccel=NAME    enable hwaccel NAME
148   --disable-hwaccels       disable all hwaccels
149   --disable-muxer=NAME     disable muxer NAME
150   --enable-muxer=NAME      enable muxer NAME
151   --disable-muxers         disable all muxers
152   --disable-demuxer=NAME   disable demuxer NAME
153   --enable-demuxer=NAME    enable demuxer NAME
154   --disable-demuxers       disable all demuxers
155   --enable-parser=NAME     enable parser NAME
156   --disable-parser=NAME    disable parser NAME
157   --disable-parsers        disable all parsers
158   --enable-bsf=NAME        enable bitstream filter NAME
159   --disable-bsf=NAME       disable bitstream filter NAME
160   --disable-bsfs           disable all bitstream filters
161   --enable-protocol=NAME   enable protocol NAME
162   --disable-protocol=NAME  disable protocol NAME
163   --disable-protocols      disable all protocols
164   --enable-indev=NAME      enable input device NAME
165   --disable-indev=NAME     disable input device NAME
166   --disable-indevs         disable input devices
167   --enable-outdev=NAME     enable output device NAME
168   --disable-outdev=NAME    disable output device NAME
169   --disable-outdevs        disable output devices
170   --disable-devices        disable all devices
171   --enable-filter=NAME     enable filter NAME
172   --disable-filter=NAME    disable filter NAME
173   --disable-filters        disable all filters
174
175 External library support:
176   --enable-avisynth        enable reading of AVISynth script files [no]
177   --enable-bzlib           enable bzlib [autodetect]
178   --enable-fontconfig      enable fontconfig
179   --enable-frei0r          enable frei0r video filtering
180   --enable-gnutls          enable gnutls [no]
181   --enable-libaacplus      enable AAC+ encoding via libaacplus [no]
182   --enable-libass          enable libass subtitles rendering [no]
183   --enable-libbluray       enable BluRay reading using libbluray [no]
184   --enable-libcaca         enable textual display using libcaca
185   --enable-libcelt         enable CELT decoding via libcelt [no]
186   --enable-libcdio         enable audio CD grabbing with libcdio
187   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
188                            and libraw1394 [no]
189   --enable-libfaac         enable AAC encoding via libfaac [no]
190   --enable-libfdk-aac      enable AAC encoding via libfdk-aac [no]
191   --enable-libflite        enable flite (voice synthesis) support via libflite [no]
192   --enable-libfreetype     enable libfreetype [no]
193   --enable-libgsm          enable GSM de/encoding via libgsm [no]
194   --enable-libiec61883     enable iec61883 via libiec61883 [no]
195   --enable-libilbc         enable iLBC de/encoding via libilbc [no]
196   --enable-libmodplug      enable ModPlug via libmodplug [no]
197   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
198   --enable-libnut          enable NUT (de)muxing via libnut,
199                            native (de)muxer exists [no]
200   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
201   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
202   --enable-libopencv       enable video filtering via libopencv [no]
203   --enable-libopenjpeg     enable JPEG 2000 de/encoding via OpenJPEG [no]
204   --enable-libopus         enable Opus decoding via libopus [no]
205   --enable-libpulse        enable Pulseaudio input via libpulse [no]
206   --enable-librtmp         enable RTMP[E] support via librtmp [no]
207   --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
208   --enable-libspeex        enable Speex de/encoding via libspeex [no]
209   --enable-libstagefright-h264  enable H.264 decoding via libstagefright [no]
210   --enable-libtheora       enable Theora encoding via libtheora [no]
211   --enable-libtwolame      enable MP2 encoding via libtwolame [no]
212   --enable-libutvideo      enable Ut Video encoding and decoding via libutvideo [no]
213   --enable-libv4l2         enable libv4l2/v4l-utils [no]
214   --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
215   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
216   --enable-libvorbis       enable Vorbis en/decoding via libvorbis,
217                            native implementation exists [no]
218   --enable-libvpx          enable VP8 de/encoding via libvpx [no]
219   --enable-libx264         enable H.264 encoding via x264 [no]
220   --enable-libxavs         enable AVS encoding via xavs [no]
221   --enable-libxvid         enable Xvid encoding via xvidcore,
222                            native MPEG-4/Xvid encoder exists [no]
223   --enable-openal          enable OpenAL 1.1 capture support [no]
224   --enable-openssl         enable openssl [no]
225   --enable-zlib            enable zlib [autodetect]
226
227 Advanced options (experts only):
228   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
229   --enable-cross-compile   assume a cross-compiler is used
230   --sysroot=PATH           root of cross-build tree
231   --sysinclude=PATH        location of cross-build system headers
232   --target-os=OS           compiler targets OS [$target_os]
233   --target-exec=CMD        command to run executables on target
234   --target-path=DIR        path to view of build directory on target
235   --nm=NM                  use nm tool NM [$nm_default]
236   --ar=AR                  use archive tool AR [$ar_default]
237   --as=AS                  use assembler AS [$as_default]
238   --yasmexe=EXE            use yasm-compatible assembler EXE [$yasmexe_default]
239   --cc=CC                  use C compiler CC [$cc_default]
240   --cxx=CXX                use C compiler CXX [$cxx_default]
241   --dep-cc=DEPCC           use dependency generator DEPCC [$cc_default]
242   --ld=LD                  use linker LD [$ld_default]
243   --host-cc=HOSTCC         use host C compiler HOSTCC
244   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
245   --host-ld=HOSTLD         use host linker HOSTLD
246   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
247   --host-libs=HLIBS        use libs HLIBS when linking for host
248   --host-os=OS             compiler host OS [$target_os]
249   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
250   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
251   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
252   --extra-libs=ELIBS       add ELIBS [$ELIBS]
253   --extra-version=STRING   version string suffix []
254   --optflags=OPTFLAGS      override optimization-related compiler flags
255   --build-suffix=SUFFIX    library name suffix []
256   --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX
257   --progs-suffix=SUFFIX    program name suffix []
258   --arch=ARCH              select architecture [$arch]
259   --cpu=CPU                select the minimum required CPU (affects
260                            instruction selection, may crash on older CPUs)
261   --enable-pic             build position-independent code
262   --enable-sram            allow use of on-chip SRAM
263   --enable-thumb           compile for Thumb instruction set
264   --disable-symver         disable symbol versioning
265   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
266   --disable-safe-bitstream-reader
267                            disable buffer boundary checking in bitreaders
268                            (faster, but may crash)
269   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
270
271 Optimization options (experts only):
272   --disable-asm            disable all assembler optimizations
273   --disable-altivec        disable AltiVec optimizations
274   --disable-amd3dnow       disable 3DNow! optimizations
275   --disable-amd3dnowext    disable 3DNow! extended optimizations
276   --disable-mmx            disable MMX optimizations
277   --disable-mmxext         disable MMXEXT optimizations
278   --disable-sse            disable SSE optimizations
279   --disable-sse2           disable SSE2 optimizations
280   --disable-sse3           disable SSE3 optimizations
281   --disable-ssse3          disable SSSE3 optimizations
282   --disable-sse4           disable SSE4 optimizations
283   --disable-sse42          disable SSE4.2 optimizations
284   --disable-avx            disable AVX optimizations
285   --disable-fma4           disable FMA4 optimizations
286   --disable-armv5te        disable armv5te optimizations
287   --disable-armv6          disable armv6 optimizations
288   --disable-armv6t2        disable armv6t2 optimizations
289   --disable-armvfp         disable ARM VFP optimizations
290   --disable-mmi            disable MMI optimizations
291   --disable-neon           disable NEON optimizations
292   --disable-vis            disable VIS optimizations
293   --disable-yasm           disable use of yasm assembler
294   --disable-mips32r2       disable MIPS32R2 optimizations
295   --disable-mipsdspr1      disable MIPS DSP ASE R1 optimizations
296   --disable-mipsdspr2      disable MIPS DSP ASE R2 optimizations
297   --disable-mipsfpu        disable floating point MIPS optimizations
298   --disable-fast-unaligned consider unaligned accesses slow
299   --postproc-version=V     build libpostproc version V.
300                            Where V can be '$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO' or 'current'. [$postproc_version_default]
301
302 Developer options (useful when working on FFmpeg itself):
303   --enable-coverage        build with test coverage instrumentation
304   --disable-debug          disable debugging symbols
305   --enable-debug=LEVEL     set the debug level [$debuglevel]
306   --disable-optimizations  disable compiler optimizations
307   --enable-extra-warnings  enable more compiler warnings
308   --disable-stripping      disable stripping of executables and shared libraries
309   --assert-level=level     0(default), 1 or 2, amount of assertion testing,
310                            2 causes a slowdown at runtime.
311   --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
312   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory
313                            leaks and errors, using the specified valgrind binary.
314                            Cannot be combined with --target-exec
315   --samples=PATH           location of test samples for FATE, if not set use
316                            \$FATE_SAMPLES at make invocation time.
317   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
318                            should be used only for debugging purposes)
319   --enable-random          randomly enable/disable components
320   --disable-random
321   --enable-random=LIST     randomly enable/disable specific components or
322   --disable-random=LIST    component groups. LIST is a comma-separated list
323                            of NAME[:PROB] entries where NAME is a component
324                            (group) and PROB the probability associated with
325                            NAME (default 0.5).
326   --random-seed=VALUE      seed value for --enable/disable-random
327
328 NOTE: Object files are built at the place where configure is launched.
329 EOF
330   exit 0
331 }
332
333 quotes='""'
334
335 log(){
336     echo "$@" >> $logfile
337 }
338
339 log_file(){
340     log BEGIN $1
341     pr -n -t $1 >> $logfile
342     log END $1
343 }
344
345 echolog(){
346     log "$@"
347     echo "$@"
348 }
349
350 warn(){
351     log "WARNING: $*"
352     WARNINGS="${WARNINGS}WARNING: $*\n"
353 }
354
355 die(){
356     echolog "$@"
357     cat <<EOF
358
359 If you think configure made a mistake, make sure you are using the latest
360 version from Git.  If the latest version fails, report the problem to the
361 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
362 EOF
363     if disabled logging; then
364         cat <<EOF
365 Rerun configure with logging enabled (do not use --disable-logging), and
366 include the log this produces with your report.
367 EOF
368     else
369 cat <<EOF
370 Include the log file "$logfile" produced by configure as this will help
371 solving the problem.
372 EOF
373     fi
374     exit 1
375 }
376
377 # Avoid locale weirdness, besides we really just want to translate ASCII.
378 toupper(){
379     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
380 }
381
382 tolower(){
383     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
384 }
385
386 c_escape(){
387     echo "$*" | sed 's/["\\]/\\\0/g'
388 }
389
390 sh_quote(){
391     v=$(echo "$1" | sed "s/'/'\\\\''/g")
392     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
393     echo "$v"
394 }
395
396 cleanws(){
397     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
398 }
399
400 filter(){
401     pat=$1
402     shift
403     for v; do
404         eval "case $v in $pat) echo $v ;; esac"
405     done
406 }
407
408 filter_out(){
409     pat=$1
410     shift
411     for v; do
412         eval "case $v in $pat) ;; *) echo $v ;; esac"
413     done
414 }
415
416 map(){
417     m=$1
418     shift
419     for v; do eval $m; done
420 }
421
422 add_suffix(){
423     suffix=$1
424     shift
425     for v; do echo ${v}${suffix}; done
426 }
427
428 set_all(){
429     value=$1
430     shift
431     for var in $*; do
432         eval $var=$value
433     done
434 }
435
436 set_weak(){
437     value=$1
438     shift
439     for var; do
440         eval : \${$var:=$value}
441     done
442 }
443
444 set_safe(){
445     var=$1
446     shift
447     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
448 }
449
450 get_safe(){
451     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
452 }
453
454 pushvar(){
455     for var in $*; do
456         eval level=\${${var}_level:=0}
457         eval ${var}_${level}="\$$var"
458         eval ${var}_level=$(($level+1))
459     done
460 }
461
462 popvar(){
463     for var in $*; do
464         eval level=\${${var}_level:-0}
465         test $level = 0 && continue
466         eval level=$(($level-1))
467         eval $var="\${${var}_${level}}"
468         eval ${var}_level=$level
469         eval unset ${var}_${level}
470     done
471 }
472
473 enable(){
474     set_all yes $*
475 }
476
477 disable(){
478     set_all no $*
479 }
480
481 enable_weak(){
482     set_weak yes $*
483 }
484
485 disable_weak(){
486     set_weak no $*
487 }
488
489 enable_safe(){
490     for var; do
491         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
492     done
493 }
494
495 disable_safe(){
496     for var; do
497         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
498     done
499 }
500
501 do_enable_deep(){
502     for var; do
503         enabled $var && continue
504         eval sel="\$${var}_select"
505         eval sgs="\$${var}_suggest"
506         pushvar var sgs
507         enable_deep $sel
508         popvar sgs
509         enable_deep_weak $sgs
510         popvar var
511     done
512 }
513
514 enable_deep(){
515     do_enable_deep $*
516     enable $*
517 }
518
519 enable_deep_weak(){
520     do_enable_deep $*
521     enable_weak $*
522 }
523
524 enabled(){
525     test "${1#!}" = "$1" && op== || op=!=
526     eval test "x\$${1#!}" $op "xyes"
527 }
528
529 disabled(){
530     test "${1#!}" = "$1" && op== || op=!=
531     eval test "x\$${1#!}" $op "xno"
532 }
533
534 enabled_all(){
535     for opt; do
536         enabled $opt || return 1
537     done
538 }
539
540 disabled_all(){
541     for opt; do
542         disabled $opt || return 1
543     done
544 }
545
546 enabled_any(){
547     for opt; do
548         enabled $opt && return 0
549     done
550 }
551
552 disabled_any(){
553     for opt; do
554         disabled $opt && return 0
555     done
556     return 1
557 }
558
559 set_default(){
560     for opt; do
561         eval : \${$opt:=\$${opt}_default}
562     done
563 }
564
565 is_in(){
566     value=$1
567     shift
568     for var in $*; do
569         [ $var = $value ] && return 0
570     done
571     return 1
572 }
573
574 check_deps(){
575     for cfg; do
576         cfg="${cfg#!}"
577         enabled ${cfg}_checking && die "Circular dependency for $cfg."
578         disabled ${cfg}_checking && continue
579         enable ${cfg}_checking
580
581         eval dep_all="\$${cfg}_deps"
582         eval dep_any="\$${cfg}_deps_any"
583         eval dep_sel="\$${cfg}_select"
584         eval dep_sgs="\$${cfg}_suggest"
585         eval dep_ifa="\$${cfg}_if"
586         eval dep_ifn="\$${cfg}_if_any"
587
588         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
589         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
590         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
591
592         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
593         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
594         enabled_all  $dep_all || disable $cfg
595         enabled_any  $dep_any || disable $cfg
596         disabled_any $dep_sel && disable $cfg
597
598         if enabled $cfg; then
599             eval dep_extralibs="\$${cfg}_extralibs"
600             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
601             enable_deep $dep_sel
602             enable_deep_weak $dep_sgs
603         fi
604
605         disable ${cfg}_checking
606     done
607 }
608
609 print_config_h(){
610     enabled $1 && v=1 || v=0
611     echo "#define $2 $v"
612 }
613
614 print_config_mak(){
615     enabled $1 && v= || v=!
616     echo "$v$2=yes"
617 }
618
619 print_config_asm(){
620     enabled $1 && v=1 || v=0
621     echo "%define $2 $v"
622 }
623
624 print_config(){
625     pfx=$1
626     files=$2
627     shift 2
628     for cfg; do
629         ucname="$(toupper $cfg)"
630         for f in $files; do
631             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
632         done
633     done
634 }
635
636 print_enabled(){
637     test "$1" = -n && end=" " && shift || end="\n"
638     suf=$1
639     shift
640     for v; do
641         enabled $v && printf "%s$end" ${v%$suf};
642     done
643 }
644
645 append(){
646     var=$1
647     shift
648     eval "$var=\"\$$var $*\""
649 }
650
651 prepend(){
652     var=$1
653     shift
654     eval "$var=\"$* \$$var\""
655 }
656
657 add_cppflags(){
658     append CPPFLAGS "$@"
659 }
660
661 add_cflags(){
662     append CFLAGS $($cflags_filter "$@")
663 }
664
665 add_cxxflags(){
666     append CXXFLAGS $($cflags_filter "$@")
667 }
668
669 add_asflags(){
670     append ASFLAGS $($asflags_filter "$@")
671 }
672
673 add_ldflags(){
674     append LDFLAGS $($ldflags_filter "$@")
675 }
676
677 add_extralibs(){
678     prepend extralibs $($ldflags_filter "$@")
679 }
680
681 add_host_cflags(){
682     append host_cflags $($host_cflags_filter "$@")
683 }
684
685 add_host_ldflags(){
686     append host_ldflags $($host_ldflags_filter "$@")
687 }
688
689 check_cmd(){
690     log "$@"
691     "$@" >> $logfile 2>&1
692 }
693
694 cc_o(){
695     eval printf '%s\\n' $CC_O
696 }
697
698 cc_e(){
699     eval printf '%s\\n' $CC_E
700 }
701
702 check_cc(){
703     log check_cc "$@"
704     cat > $TMPC
705     log_file $TMPC
706     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
707 }
708
709 check_cxx(){
710     log check_cxx "$@"
711     cat > $TMPCPP
712     log_file $TMPCPP
713     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
714 }
715
716 check_cpp(){
717     log check_cpp "$@"
718     cat > $TMPC
719     log_file $TMPC
720     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
721 }
722
723 as_o(){
724     eval printf '%s\\n' $AS_O
725 }
726
727 check_as(){
728     log check_as "$@"
729     cat > $TMPC
730     log_file $TMPC
731     check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPC
732 }
733
734 check_inline_asm(){
735     log check_inline_asm "$@"
736     name="$1"
737     code="$2"
738     shift 2
739     disable $name
740     check_as "$@" <<EOF && enable $name
741 void foo(void){ __asm__ volatile($code); }
742 EOF
743 }
744
745 check_yasm(){
746     log check_yasm "$@"
747     echo "$1" > $TMPS
748     log_file $TMPS
749     shift 1
750     check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
751 }
752
753 ld_o(){
754     eval printf '%s\\n' $LD_O
755 }
756
757 check_ld(){
758     log check_ld "$@"
759     type=$1
760     shift 1
761     flags=''
762     libs=''
763     for f; do
764         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
765     done
766     check_$type $($cflags_filter $flags) || return
767     flags=$($ldflags_filter $flags)
768     libs=$($ldflags_filter $libs)
769     check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
770 }
771
772 check_code(){
773     log check_code "$@"
774     check=$1
775     headers=$2
776     code=$3
777     shift 3
778     {
779         for hdr in $headers; do
780             echo "#include <$hdr>"
781         done
782         echo "int main(void) { $code; return 0; }"
783     } | check_$check "$@"
784 }
785
786 check_cppflags(){
787     log check_cppflags "$@"
788     check_cc "$@" <<EOF && append CPPFLAGS "$@"
789 int x;
790 EOF
791 }
792
793 check_cflags(){
794     log check_cflags "$@"
795     set -- $($cflags_filter "$@")
796     check_cc "$@" <<EOF && append CFLAGS "$@"
797 int x;
798 EOF
799 }
800
801 check_cxxflags(){
802     log check_cxxflags "$@"
803     set -- $($cflags_filter "$@")
804     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
805 int x;
806 EOF
807 }
808
809 test_ldflags(){
810     log test_ldflags "$@"
811     check_ld "cc" "$@" <<EOF
812 int main(void){ return 0; }
813 EOF
814 }
815
816 check_ldflags(){
817     log check_ldflags "$@"
818     test_ldflags "$@" && add_ldflags "$@"
819 }
820
821 check_header(){
822     log check_header "$@"
823     header=$1
824     shift
825     disable_safe $header
826     check_cpp "$@" <<EOF && enable_safe $header
827 #include <$header>
828 int x;
829 EOF
830 }
831
832 check_func(){
833     log check_func "$@"
834     func=$1
835     shift
836     disable $func
837     check_ld "cc" "$@" <<EOF && enable $func
838 extern int $func();
839 int main(void){ $func(); }
840 EOF
841 }
842
843 check_mathfunc(){
844     log check_mathfunc "$@"
845     func=$1
846     shift
847     disable $func
848     check_ld "cc" "$@" <<EOF && enable $func
849 #include <math.h>
850 float foo(float f) { return $func(f); }
851 int main(void){ return (int) foo; }
852 EOF
853 }
854
855 check_func_headers(){
856     log check_func_headers "$@"
857     headers=$1
858     funcs=$2
859     shift 2
860     {
861         for hdr in $headers; do
862             echo "#include <$hdr>"
863         done
864         for func in $funcs; do
865             echo "long check_$func(void) { return (long) $func; }"
866         done
867         echo "int main(void) { return 0; }"
868     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
869 }
870
871 check_class_headers_cpp(){
872     log check_class_headers_cpp "$@"
873     headers=$1
874     classes=$2
875     shift 2
876     {
877         for hdr in $headers; do
878             echo "#include <$hdr>"
879         done
880         echo "int main(void) { "
881         i=1
882         for class in $classes; do
883             echo "$class obj$i;"
884             i=$(expr $i + 1)
885         done
886         echo "return 0; }"
887     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
888 }
889
890 check_cpp_condition(){
891     log check_cpp_condition "$@"
892     header=$1
893     condition=$2
894     shift 2
895     check_cpp "$@" <<EOF
896 #include <$header>
897 #if !($condition)
898 #error "unsatisfied condition: $condition"
899 #endif
900 EOF
901 }
902
903 check_lib(){
904     log check_lib "$@"
905     header="$1"
906     func="$2"
907     shift 2
908     check_header $header && check_func $func "$@" && add_extralibs "$@"
909 }
910
911 check_lib2(){
912     log check_lib2 "$@"
913     headers="$1"
914     funcs="$2"
915     shift 2
916     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
917 }
918
919 check_lib_cpp(){
920     log check_lib_cpp "$@"
921     headers="$1"
922     classes="$2"
923     shift 2
924     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
925 }
926
927 check_pkg_config(){
928     log check_pkg_config "$@"
929     pkg="$1"
930     headers="$2"
931     funcs="$3"
932     shift 3
933     $pkg_config --exists $pkg 2>/dev/null || return
934     pkg_cflags=$($pkg_config --cflags $pkg)
935     pkg_libs=$($pkg_config --libs $pkg)
936     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
937         set_safe ${pkg}_cflags $pkg_cflags   &&
938         set_safe ${pkg}_libs   $pkg_libs
939 }
940
941 check_exec(){
942     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
943 }
944
945 check_exec_crash(){
946     code=$(cat)
947
948     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
949     # are safe but may not be available everywhere.  Thus we use
950     # raise(SIGTERM) instead.  The check is run in a subshell so we
951     # can redirect the "Terminated" message from the shell.  SIGBUS
952     # is not defined by standard C so it is used conditionally.
953
954     (check_exec "$@") >> $logfile 2>&1 <<EOF
955 #include <signal.h>
956 static void sighandler(int sig){
957     raise(SIGTERM);
958 }
959 int func(void){
960     $code
961 }
962 int (*func_ptr)(void) = func;
963 int main(void){
964     signal(SIGILL, sighandler);
965     signal(SIGFPE, sighandler);
966     signal(SIGSEGV, sighandler);
967 #ifdef SIGBUS
968     signal(SIGBUS, sighandler);
969 #endif
970     return func_ptr();
971 }
972 EOF
973 }
974
975 check_type(){
976     log check_type "$@"
977     headers=$1
978     type=$2
979     shift 2
980     disable_safe "$type"
981     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
982 }
983
984 check_struct(){
985     log check_type "$@"
986     headers=$1
987     struct=$2
988     member=$3
989     shift 3
990     disable_safe "${struct}_${member}"
991     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
992         enable_safe "${struct}_${member}"
993 }
994
995 require(){
996     name="$1"
997     header="$2"
998     func="$3"
999     shift 3
1000     check_lib $header $func "$@" || die "ERROR: $name not found"
1001 }
1002
1003 require2(){
1004     name="$1"
1005     headers="$2"
1006     func="$3"
1007     shift 3
1008     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1009 }
1010
1011 require_cpp(){
1012     name="$1"
1013     headers="$2"
1014     classes="$3"
1015     shift 3
1016     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1017 }
1018
1019 require_pkg_config(){
1020     pkg="$1"
1021     check_pkg_config "$@" || die "ERROR: $pkg not found"
1022     add_cflags    $(get_safe ${pkg}_cflags)
1023     add_extralibs $(get_safe ${pkg}_libs)
1024 }
1025
1026 hostcc_o(){
1027     eval printf '%s\\n' $HOSTCC_O
1028 }
1029
1030 check_host_cc(){
1031     log check_host_cc "$@"
1032     cat > $TMPC
1033     log_file $TMPC
1034     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1035 }
1036
1037 check_host_cflags(){
1038     log check_host_cflags "$@"
1039     set -- $($host_cflags_filter "$@")
1040     check_host_cc "$@" <<EOF && append host_cflags "$@"
1041 int x;
1042 EOF
1043 }
1044
1045 apply(){
1046     file=$1
1047     shift
1048     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1049 }
1050
1051 cp_if_changed(){
1052     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1053     mkdir -p "$(dirname $2)"
1054     cp -f "$1" "$2"
1055 }
1056
1057 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1058 # system-dependent things.
1059
1060 COMPONENT_LIST="
1061     bsfs
1062     decoders
1063     demuxers
1064     encoders
1065     filters
1066     hwaccels
1067     indevs
1068     muxers
1069     outdevs
1070     parsers
1071     protocols
1072 "
1073
1074 DOCUMENT_LIST="
1075     doc
1076     htmlpages
1077     manpages
1078     podpages
1079     txtpages
1080 "
1081
1082 PROGRAM_LIST="
1083     ffplay
1084     ffprobe
1085     ffserver
1086     ffmpeg
1087 "
1088
1089 CONFIG_LIST="
1090     $COMPONENT_LIST
1091     $DOCUMENT_LIST
1092     $PROGRAM_LIST
1093     avcodec
1094     avdevice
1095     avfilter
1096     avformat
1097     avresample
1098     avisynth
1099     bzlib
1100     crystalhd
1101     dct
1102     dwt
1103     dxva2
1104     fast_unaligned
1105     fft
1106     fontconfig
1107     frei0r
1108     gnutls
1109     gpl
1110     gray
1111     hardcoded_tables
1112     incompatible_fork_abi
1113     libaacplus
1114     libass
1115     libbluray
1116     libcaca
1117     libcdio
1118     libcelt
1119     libdc1394
1120     libfaac
1121     libfdk_aac
1122     libflite
1123     libfreetype
1124     libgsm
1125     libiec61883
1126     libilbc
1127     libmodplug
1128     libmp3lame
1129     libnut
1130     libopencore_amrnb
1131     libopencore_amrwb
1132     libopencv
1133     libopenjpeg
1134     libopus
1135     libpulse
1136     librtmp
1137     libschroedinger
1138     libspeex
1139     libstagefright_h264
1140     libtheora
1141     libtwolame
1142     libutvideo
1143     libv4l2
1144     libvo_aacenc
1145     libvo_amrwbenc
1146     libvorbis
1147     libvpx
1148     libx264
1149     libxavs
1150     libxvid
1151     lsp
1152     mdct
1153     memalign_hack
1154     memory_poisoning
1155     network
1156     nonfree
1157     openal
1158     openssl
1159     pic
1160     postproc
1161     rdft
1162     runtime_cpudetect
1163     safe_bitstream_reader
1164     shared
1165     small
1166     sram
1167     static
1168     swresample
1169     swscale
1170     swscale_alpha
1171     thumb
1172     vaapi
1173     vda
1174     vdpau
1175     version3
1176     xmm_clobber_test
1177     x11grab
1178     zlib
1179 "
1180
1181 THREADS_LIST='
1182     pthreads
1183     w32threads
1184     os2threads
1185 '
1186
1187 ARCH_LIST='
1188     alpha
1189     arm
1190     avr32
1191     avr32_ap
1192     avr32_uc
1193     bfin
1194     ia64
1195     m68k
1196     mips
1197     mips64
1198     parisc
1199     ppc
1200     ppc64
1201     s390
1202     sh4
1203     sparc
1204     sparc64
1205     tomi
1206     x86
1207     x86_32
1208     x86_64
1209 '
1210
1211 ARCH_EXT_LIST_X86='
1212     amd3dnow
1213     amd3dnowext
1214     avx
1215     fma4
1216     mmx
1217     mmxext
1218     sse
1219     sse2
1220     sse3
1221     sse4
1222     sse42
1223     ssse3
1224 '
1225
1226 ARCH_EXT_LIST="
1227     $ARCH_EXT_LIST_X86
1228     altivec
1229     armv5te
1230     armv6
1231     armv6t2
1232     armvfp
1233     mmi
1234     neon
1235     ppc4xx
1236     vfpv3
1237     vis
1238     mipsfpu
1239     mips32r2
1240     mipsdspr1
1241     mipsdspr2
1242 "
1243
1244 HAVE_LIST_PUB='
1245     bigendian
1246     fast_unaligned
1247     incompatible_fork_abi
1248 '
1249
1250 HAVE_LIST="
1251     $ARCH_EXT_LIST
1252     $(add_suffix _external $ARCH_EXT_LIST)
1253     $(add_suffix _inline   $ARCH_EXT_LIST)
1254     $HAVE_LIST_PUB
1255     $THREADS_LIST
1256     aligned_malloc
1257     aligned_stack
1258     alsa_asoundlib_h
1259     altivec_h
1260     arpa_inet_h
1261     asm_mod_q
1262     asm_mod_y
1263     asm_types_h
1264     attribute_may_alias
1265     attribute_packed
1266     cbrtf
1267     clock_gettime
1268     closesocket
1269     cmov
1270     cpuid
1271     cpunop
1272     dcbzl
1273     dev_bktr_ioctl_bt848_h
1274     dev_bktr_ioctl_meteor_h
1275     dev_ic_bt8xx_h
1276     dev_video_bktr_ioctl_bt848_h
1277     dev_video_meteor_ioctl_meteor_h
1278     dlfcn_h
1279     dlopen
1280     dos_paths
1281     dxva_h
1282     ebp_available
1283     ebx_available
1284     exp2
1285     exp2f
1286     fast_64bit
1287     fast_clz
1288     fast_cmov
1289     fcntl
1290     fork
1291     getaddrinfo
1292     gethrtime
1293     getopt
1294     GetProcessAffinityMask
1295     GetProcessMemoryInfo
1296     GetProcessTimes
1297     GetSystemTimeAsFileTime
1298     getrusage
1299     gettimeofday
1300     glob
1301     gnu_as
1302     ibm_asm
1303     inet_aton
1304     inline_asm
1305     isatty
1306     isinf
1307     isnan
1308     jack_port_get_latency_range
1309     kbhit
1310     ldbrx
1311     libdc1394_1
1312     libdc1394_2
1313     llrint
1314     llrintf
1315     local_aligned_16
1316     local_aligned_8
1317     localtime_r
1318     log2
1319     log2f
1320     loongson
1321     lrint
1322     lrintf
1323     lzo1x_999_compress
1324     machine_ioctl_bt848_h
1325     machine_ioctl_meteor_h
1326     makeinfo
1327     malloc_h
1328     MapViewOfFile
1329     memalign
1330     mkstemp
1331     mm_empty
1332     mmap
1333     msvcrt
1334     nanosleep
1335     PeekNamedPipe
1336     perl
1337     pod2man
1338     poll_h
1339     posix_memalign
1340     pthread_cancel
1341     rdtsc
1342     rint
1343     round
1344     roundf
1345     rweflags
1346     sched_getaffinity
1347     sdl
1348     sdl_video_size
1349     setmode
1350     setrlimit
1351     Sleep
1352     sndio_h
1353     socklen_t
1354     soundcard_h
1355     strerror_r
1356     struct_addrinfo
1357     struct_group_source_req
1358     struct_ip_mreq_source
1359     struct_ipv6_mreq
1360     struct_pollfd
1361     struct_rusage_ru_maxrss
1362     struct_sctp_event_subscribe
1363     struct_sockaddr_in6
1364     struct_sockaddr_sa_len
1365     struct_sockaddr_storage
1366     struct_v4l2_frmivalenum_discrete
1367     symver
1368     symver_asm_label
1369     symver_gnu_asm
1370     sysconf
1371     sysctl
1372     sys_mman_h
1373     sys_param_h
1374     sys_resource_h
1375     sys_select_h
1376     sys_soundcard_h
1377     sys_time_h
1378     sys_videoio_h
1379     termios_h
1380     texi2html
1381     threads
1382     trunc
1383     truncf
1384     unistd_h
1385     usleep
1386     vfp_args
1387     VirtualAlloc
1388     windows_h
1389     winsock2_h
1390     xform_asm
1391     xgetbv
1392     xmm_clobbers
1393     yasm
1394 "
1395
1396 # options emitted with CONFIG_ prefix but not available on command line
1397 CONFIG_EXTRA="
1398     aandcttables
1399     ac3dsp
1400     avutil
1401     error_resilience
1402     gcrypt
1403     golomb
1404     gplv3
1405     h264chroma
1406     h264dsp
1407     h264pred
1408     h264qpel
1409     huffman
1410     lgplv3
1411     lpc
1412     mpegaudiodsp
1413     mpegvideo
1414     mpegvideoenc
1415     nettle
1416     rangecoder
1417     rtpdec
1418     sinewin
1419     vp3dsp
1420 "
1421
1422 CMDLINE_SELECT="
1423     $ARCH_EXT_LIST
1424     $CONFIG_LIST
1425     $THREADS_LIST
1426     asm
1427     coverage
1428     cross_compile
1429     debug
1430     extra_warnings
1431     logging
1432     optimizations
1433     stripping
1434     symver
1435     yasm
1436 "
1437
1438 PATHS_LIST='
1439     bindir
1440     datadir
1441     incdir
1442     libdir
1443     mandir
1444     prefix
1445     shlibdir
1446 '
1447
1448 CMDLINE_SET="
1449     $PATHS_LIST
1450     ar
1451     arch
1452     as
1453     assert_level
1454     build_suffix
1455     cc
1456     cpu
1457     cross_prefix
1458     cxx
1459     dep_cc
1460     extra_version
1461     host_cc
1462     host_cflags
1463     host_ld
1464     host_ldflags
1465     host_libs
1466     host_os
1467     install
1468     ld
1469     logfile
1470     malloc_prefix
1471     nm
1472     optflags
1473     pkg_config
1474     postproc_version
1475     progs_suffix
1476     random_seed
1477     samples
1478     strip
1479     sysinclude
1480     sysroot
1481     target_exec
1482     target_os
1483     target_path
1484     valgrind
1485     yasmexe
1486 "
1487
1488 CMDLINE_APPEND="
1489     extra_cflags
1490     extra_cxxflags
1491 "
1492
1493 # code dependency declarations
1494
1495 # architecture extensions
1496
1497 armv5te_deps="arm"
1498 armv6_deps="arm"
1499 armv6t2_deps="arm"
1500 armvfp_deps="arm"
1501 neon_deps="arm"
1502 vfpv3_deps="armvfp"
1503
1504 mipsfpu_deps="mips"
1505 mips32r2_deps="mips"
1506 mipsdspr1_deps="mips"
1507 mipsdspr2_deps="mips"
1508 mmi_deps="mips"
1509
1510 altivec_deps="ppc"
1511 ppc4xx_deps="ppc"
1512
1513 vis_deps="sparc"
1514
1515 x86_64_suggest="cmov fast_cmov"
1516
1517 amd3dnow_deps="mmx"
1518 amd3dnowext_deps="amd3dnow"
1519 mmx_deps="x86"
1520 mmxext_deps="mmx"
1521 sse_deps="mmxext"
1522 sse2_deps="sse"
1523 sse3_deps="sse2"
1524 ssse3_deps="sse3"
1525 sse4_deps="ssse3"
1526 sse42_deps="sse4"
1527 avx_deps="sse42"
1528 fma4_deps="avx"
1529
1530 mmx_external_deps="yasm"
1531 mmx_inline_deps="inline_asm"
1532 mmx_suggest="mmx_external mmx_inline"
1533
1534 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1535     eval dep=\$${ext}_deps
1536     eval ${ext}_external_deps='"${dep}_external"'
1537     eval ${ext}_inline_deps='"${dep}_inline"'
1538     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1539 done
1540
1541 aligned_stack_if_any="ppc x86"
1542 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1543 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1544 fast_unaligned_if_any="armv6 ppc x86"
1545
1546 inline_asm_deps="!tms470"
1547 need_memalign="altivec neon sse"
1548
1549 symver_if_any="symver_asm_label symver_gnu_asm"
1550
1551 # subsystems
1552 dct_select="rdft"
1553 mdct_select="fft"
1554 rdft_select="fft"
1555 mpegaudiodsp_select="dct"
1556 mpegvideoenc_select="mpegvideo"
1557
1558 # decoders / encoders / hardware accelerators
1559 aac_decoder_select="mdct sinewin"
1560 aac_encoder_select="mdct sinewin"
1561 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1562 ac3_decoder_select="mdct ac3dsp ac3_parser"
1563 ac3_encoder_select="mdct ac3dsp"
1564 ac3_fixed_encoder_select="mdct ac3dsp"
1565 alac_encoder_select="lpc"
1566 amrnb_decoder_select="lsp"
1567 amrwb_decoder_select="lsp"
1568 amv_encoder_select="aandcttables"
1569 atrac1_decoder_select="mdct sinewin"
1570 atrac3_decoder_select="mdct"
1571 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1572 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1573 cavs_decoder_select="golomb mpegvideo"
1574 cook_decoder_select="mdct sinewin"
1575 cscd_decoder_suggest="zlib"
1576 dca_decoder_select="mdct"
1577 dirac_decoder_select="dwt golomb"
1578 dnxhd_encoder_select="aandcttables mpegvideoenc"
1579 dxa_decoder_select="zlib"
1580 eac3_decoder_select="ac3_decoder"
1581 eac3_encoder_select="ac3_encoder"
1582 eamad_decoder_select="aandcttables error_resilience mpegvideo"
1583 eatgq_decoder_select="aandcttables"
1584 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1585 exr_decoder_select="zlib"
1586 ffv1_decoder_select="golomb rangecoder"
1587 ffv1_encoder_select="rangecoder"
1588 ffvhuff_encoder_select="huffman"
1589 flac_decoder_select="golomb"
1590 flac_encoder_select="golomb lpc"
1591 flashsv_decoder_select="zlib"
1592 flashsv_encoder_select="zlib"
1593 flashsv2_encoder_select="zlib"
1594 flashsv2_decoder_select="zlib"
1595 flv_decoder_select="h263_decoder"
1596 flv_encoder_select="h263_encoder"
1597 fraps_decoder_select="huffman"
1598 h261_decoder_select="error_resilience mpegvideo"
1599 h261_encoder_select="aandcttables mpegvideoenc"
1600 h263_decoder_select="error_resilience h263_parser mpegvideo"
1601 h263_encoder_select="aandcttables error_resilience mpegvideoenc"
1602 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1603 h263i_decoder_select="h263_decoder"
1604 h263p_encoder_select="h263_encoder"
1605 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1606 h264_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
1607 h264_dxva2_hwaccel_deps="dxva2api_h"
1608 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1609 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1610 h264_vda_decoder_select="vda h264_parser h264_decoder"
1611 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1612 h264_vda_hwaccel_select="vda h264_decoder"
1613 h264_vdpau_decoder_select="vdpau h264_decoder"
1614 huffyuv_encoder_select="huffman"
1615 iac_decoder_select="fft mdct sinewin"
1616 imc_decoder_select="fft mdct sinewin"
1617 jpegls_decoder_select="golomb"
1618 jpegls_encoder_select="golomb"
1619 ljpeg_encoder_select="aandcttables mpegvideoenc"
1620 loco_decoder_select="golomb"
1621 mdec_decoder_select="error_resilience mpegvideo"
1622 mjpeg_encoder_select="aandcttables mpegvideoenc"
1623 mlp_decoder_select="mlp_parser"
1624 mp1_decoder_select="mpegaudiodsp"
1625 mp1float_decoder_select="mpegaudiodsp"
1626 mp2_decoder_select="mpegaudiodsp"
1627 mp2float_decoder_select="mpegaudiodsp"
1628 mp3_decoder_select="mpegaudiodsp"
1629 mp3adu_decoder_select="mpegaudiodsp"
1630 mp3adufloat_decoder_select="mpegaudiodsp"
1631 mp3float_decoder_select="mpegaudiodsp"
1632 mp3on4_decoder_select="mpegaudiodsp"
1633 mp3on4float_decoder_select="mpegaudiodsp"
1634 mpc7_decoder_select="mpegaudiodsp"
1635 mpc8_decoder_select="mpegaudiodsp"
1636 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1637 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1638 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1639 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1640 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1641 mpeg1video_decoder_select="error_resilience mpegvideo"
1642 mpeg1video_encoder_select="aandcttables error_resilience mpegvideoenc"
1643 mpeg2_crystalhd_decoder_select="crystalhd"
1644 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1645 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1646 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1647 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1648 mpeg2video_decoder_select="error_resilience mpegvideo"
1649 mpeg2video_encoder_select="aandcttables error_resilience mpegvideoenc"
1650 mpeg4_crystalhd_decoder_select="crystalhd"
1651 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1652 mpeg4_encoder_select="h263_encoder"
1653 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1654 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1655 msmpeg4_crystalhd_decoder_select="crystalhd"
1656 msmpeg4v1_decoder_select="h263_decoder"
1657 msmpeg4v1_encoder_select="h263_encoder"
1658 msmpeg4v2_decoder_select="h263_decoder"
1659 msmpeg4v2_encoder_select="h263_encoder"
1660 msmpeg4v3_decoder_select="h263_decoder"
1661 msmpeg4v3_encoder_select="h263_encoder"
1662 mss2_decoder_select="vc1_decoder"
1663 nellymoser_decoder_select="mdct sinewin"
1664 nellymoser_encoder_select="mdct sinewin"
1665 png_decoder_select="zlib"
1666 png_encoder_select="zlib"
1667 qcelp_decoder_select="lsp"
1668 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1669 ra_144_encoder_select="lpc"
1670 ralf_decoder_select="golomb"
1671 rv10_decoder_select="h263_decoder"
1672 rv10_encoder_select="h263_encoder"
1673 rv20_decoder_select="h263_decoder"
1674 rv20_encoder_select="h263_encoder"
1675 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1676 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1677 shorten_decoder_select="golomb"
1678 sipr_decoder_select="lsp"
1679 snow_decoder_select="dwt rangecoder"
1680 snow_encoder_select="aandcttables dwt error_resilience mpegvideoenc rangecoder"
1681 sonic_decoder_select="golomb"
1682 sonic_encoder_select="golomb"
1683 sonic_ls_encoder_select="golomb"
1684 svq1_decoder_select="error_resilience mpegvideo"
1685 svq1_encoder_select="aandcttables error_resilience mpegvideoenc"
1686 svq3_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
1687 svq3_decoder_suggest="zlib"
1688 theora_decoder_select="vp3_decoder"
1689 tiff_decoder_suggest="zlib"
1690 tiff_encoder_suggest="zlib"
1691 tscc_decoder_select="zlib"
1692 twinvq_decoder_select="mdct lsp sinewin"
1693 utvideo_encoder_select="huffman"
1694 vc1_crystalhd_decoder_select="crystalhd"
1695 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1696 vc1_dxva2_hwaccel_deps="dxva2api_h"
1697 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1698 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1699 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1700 vc1image_decoder_select="vc1_decoder"
1701 vorbis_decoder_select="mdct"
1702 vorbis_encoder_select="mdct"
1703 vp3_decoder_select="vp3dsp"
1704 vp5_decoder_select="vp3dsp"
1705 vp6_decoder_select="huffman vp3dsp"
1706 vp6a_decoder_select="vp6_decoder"
1707 vp6f_decoder_select="vp6_decoder"
1708 vp8_decoder_select="h264pred h264qpel"
1709 wmapro_decoder_select="mdct sinewin"
1710 wmav1_decoder_select="mdct sinewin"
1711 wmav1_encoder_select="mdct sinewin"
1712 wmav2_decoder_select="mdct sinewin"
1713 wmav2_encoder_select="mdct sinewin"
1714 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1715 wmv1_decoder_select="h263_decoder"
1716 wmv1_encoder_select="h263_encoder"
1717 wmv2_decoder_select="h263_decoder"
1718 wmv2_encoder_select="h263_encoder"
1719 wmv3_decoder_select="vc1_decoder"
1720 wmv3_crystalhd_decoder_select="crystalhd"
1721 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1722 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1723 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1724 wmv3image_decoder_select="wmv3_decoder"
1725 zerocodec_decoder_select="zlib"
1726 zlib_decoder_select="zlib"
1727 zlib_encoder_select="zlib"
1728 zmbv_decoder_select="zlib"
1729 zmbv_encoder_select="zlib"
1730
1731 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1732 vaapi_deps="va_va_h"
1733 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1734 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1735
1736 # parsers
1737 h264_parser_select="error_resilience golomb h264dsp h264pred mpegvideo"
1738 mpeg4video_parser_select="error_resilience mpegvideo"
1739 mpegvideo_parser_select="error_resilience mpegvideo"
1740 vc1_parser_select="error_resilience mpegvideo"
1741
1742 # external libraries
1743 libaacplus_encoder_deps="libaacplus"
1744 libcelt_decoder_deps="libcelt"
1745 libfaac_encoder_deps="libfaac"
1746 libfdk_aac_encoder_deps="libfdk_aac"
1747 libgsm_decoder_deps="libgsm"
1748 libgsm_encoder_deps="libgsm"
1749 libgsm_ms_decoder_deps="libgsm"
1750 libgsm_ms_encoder_deps="libgsm"
1751 libilbc_decoder_deps="libilbc"
1752 libilbc_encoder_deps="libilbc"
1753 libmodplug_demuxer_deps="libmodplug"
1754 libmp3lame_encoder_deps="libmp3lame"
1755 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1756 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1757 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1758 libopenjpeg_decoder_deps="libopenjpeg"
1759 libopenjpeg_encoder_deps="libopenjpeg"
1760 libopus_decoder_deps="libopus"
1761 libschroedinger_decoder_deps="libschroedinger"
1762 libschroedinger_encoder_deps="libschroedinger"
1763 libspeex_decoder_deps="libspeex"
1764 libspeex_encoder_deps="libspeex"
1765 libstagefright_h264_decoder_deps="libstagefright_h264"
1766 libtheora_encoder_deps="libtheora"
1767 libtwolame_encoder_deps="libtwolame"
1768 libvo_aacenc_encoder_deps="libvo_aacenc"
1769 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1770 libvorbis_decoder_deps="libvorbis"
1771 libvorbis_encoder_deps="libvorbis"
1772 libvpx_decoder_deps="libvpx"
1773 libvpx_encoder_deps="libvpx"
1774 libx264_encoder_deps="libx264"
1775 libx264rgb_encoder_deps="libx264"
1776 libxavs_encoder_deps="libxavs"
1777 libxvid_encoder_deps="libxvid"
1778 libutvideo_decoder_deps="libutvideo"
1779 libutvideo_encoder_deps="libutvideo"
1780
1781 # demuxers / muxers
1782 ac3_demuxer_select="ac3_parser"
1783 asf_stream_muxer_select="asf_muxer"
1784 avisynth_demuxer_deps="avisynth"
1785 dirac_demuxer_select="dirac_parser"
1786 eac3_demuxer_select="ac3_parser"
1787 flac_demuxer_select="flac_parser"
1788 ipod_muxer_select="mov_muxer"
1789 libnut_demuxer_deps="libnut"
1790 libnut_muxer_deps="libnut"
1791 matroska_audio_muxer_select="matroska_muxer"
1792 matroska_demuxer_suggest="zlib bzlib"
1793 mov_demuxer_suggest="zlib"
1794 mp3_demuxer_select="mpegaudio_parser"
1795 mp4_muxer_select="mov_muxer"
1796 mpegts_muxer_select="adts_muxer latm_muxer mpegvideo"
1797 mpegtsraw_demuxer_select="mpegts_demuxer"
1798 mxf_d10_muxer_select="mxf_muxer"
1799 ogg_demuxer_select="golomb"
1800 psp_muxer_select="mov_muxer"
1801 rtp_demuxer_select="sdp_demuxer"
1802 rtp_muxer_select="mpegvideo"
1803 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1804 rtsp_demuxer_select="http_protocol rtpdec"
1805 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1806 sap_demuxer_select="sdp_demuxer"
1807 sap_muxer_select="rtp_muxer rtp_protocol"
1808 sdp_demuxer_select="rtpdec"
1809 spdif_muxer_select="aac_parser"
1810 tg2_muxer_select="mov_muxer"
1811 tgp_muxer_select="mov_muxer"
1812 w64_demuxer_deps="wav_demuxer"
1813
1814 # indevs / outdevs
1815 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1816 alsa_outdev_deps="alsa_asoundlib_h"
1817 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1818 caca_outdev_deps="libcaca"
1819 dshow_indev_deps="IBaseFilter"
1820 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1821 dv1394_indev_deps="dv1394 dv_demuxer"
1822 fbdev_indev_deps="linux_fb_h"
1823 iec61883_indev_deps="libiec61883"
1824 jack_indev_deps="jack_jack_h sem_timedwait"
1825 lavfi_indev_deps="avfilter"
1826 libcdio_indev_deps="libcdio"
1827 libdc1394_indev_deps="libdc1394"
1828 libv4l2_indev_deps="libv4l2"
1829 openal_indev_deps="openal"
1830 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1831 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1832 pulse_indev_deps="libpulse"
1833 sdl_outdev_deps="sdl"
1834 sndio_indev_deps="sndio_h"
1835 sndio_outdev_deps="sndio_h"
1836 v4l_indev_deps="linux_videodev_h"
1837 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1838 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1839 vfwcap_indev_extralibs="-lavicap32"
1840 x11grab_indev_deps="x11grab"
1841
1842 # protocols
1843 bluray_protocol_deps="libbluray"
1844 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1845 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1846 ffrtmpcrypt_protocol_select="tcp_protocol"
1847 ffrtmphttp_protocol_deps="!librtmp_protocol"
1848 ffrtmphttp_protocol_select="http_protocol"
1849 gopher_protocol_deps="network"
1850 httpproxy_protocol_deps="network"
1851 httpproxy_protocol_select="tcp_protocol"
1852 http_protocol_deps="network"
1853 http_protocol_select="tcp_protocol"
1854 https_protocol_select="tls_protocol"
1855 librtmp_protocol_deps="librtmp"
1856 librtmpe_protocol_deps="librtmp"
1857 librtmps_protocol_deps="librtmp"
1858 librtmpt_protocol_deps="librtmp"
1859 librtmpte_protocol_deps="librtmp"
1860 mmsh_protocol_select="http_protocol"
1861 mmst_protocol_deps="network"
1862 rtmp_protocol_deps="!librtmp_protocol"
1863 rtmp_protocol_select="tcp_protocol"
1864 rtmpe_protocol_select="ffrtmpcrypt_protocol"
1865 rtmps_protocol_deps="!librtmp_protocol"
1866 rtmps_protocol_select="tls_protocol"
1867 rtmpt_protocol_select="ffrtmphttp_protocol"
1868 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
1869 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
1870 rtp_protocol_select="udp_protocol"
1871 sctp_protocol_deps="network struct_sctp_event_subscribe"
1872 tcp_protocol_deps="network"
1873 tls_protocol_deps_any="openssl gnutls"
1874 tls_protocol_select="tcp_protocol"
1875 udp_protocol_deps="network"
1876
1877 # filters
1878 aconvert_filter_deps="swresample"
1879 amovie_filter_deps="avcodec avformat"
1880 aresample_filter_deps="swresample"
1881 ass_filter_deps="libass"
1882 asyncts_filter_deps="avresample"
1883 atempo_filter_deps="avcodec rdft"
1884 blackframe_filter_deps="gpl"
1885 boxblur_filter_deps="gpl"
1886 colormatrix_filter_deps="gpl"
1887 cropdetect_filter_deps="gpl"
1888 decimate_filter_deps="gpl avcodec"
1889 delogo_filter_deps="gpl"
1890 deshake_filter_deps="avcodec"
1891 drawtext_filter_deps="libfreetype"
1892 flite_filter_deps="libflite"
1893 frei0r_filter_deps="frei0r dlopen"
1894 frei0r_filter_extralibs='$ldl'
1895 frei0r_src_filter_deps="frei0r dlopen"
1896 frei0r_src_filter_extralibs='$ldl'
1897 hqdn3d_filter_deps="gpl"
1898 movie_filter_deps="avcodec avformat"
1899 mp_filter_deps="gpl avcodec swscale postproc"
1900 mptestsrc_filter_deps="gpl"
1901 negate_filter_deps="lut_filter"
1902 resample_filter_deps="avresample"
1903 ocv_filter_deps="libopencv"
1904 pan_filter_deps="swresample"
1905 removelogo_filter_deps="avcodec avformat swscale"
1906 scale_filter_deps="swscale"
1907 smartblur_filter_deps="gpl swscale"
1908 select_filter_deps="avcodec"
1909 showspectrum_filter_deps="avcodec"
1910 super2xsai_filter_deps="gpl"
1911 tinterlace_filter_deps="gpl"
1912 yadif_filter_deps="gpl"
1913
1914 # libraries
1915 avdevice_deps="avcodec avformat"
1916 avformat_deps="avcodec"
1917 postproc_deps="gpl"
1918
1919 # programs
1920 ffmpeg_deps="avcodec avfilter avformat swscale swresample"
1921 ffmpeg_select="ffbuffersink_filter format_filter aformat_filter
1922                setpts_filter null_filter anull_filter ffabuffersink_filter"
1923 ffplay_deps="avcodec avformat swscale swresample sdl"
1924 ffplay_select="ffbuffersink_filter rdft"
1925 ffprobe_deps="avcodec avformat"
1926 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1927 ffserver_extralibs='$ldl'
1928
1929 # documentation
1930 podpages_deps="perl"
1931 manpages_deps="perl pod2man"
1932 htmlpages_deps="texi2html"
1933 txtpages_deps="makeinfo"
1934 doc_deps_any="manpages htmlpages podpages txtpages"
1935
1936 # tests
1937 colormatrix1_test_deps="colormatrix_filter"
1938 colormatrix2_test_deps="colormatrix_filter"
1939 flashsv2_test_deps="zlib"
1940 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1941 mpng_test_deps="zlib"
1942 pp_test_deps="mp_filter"
1943 pp2_test_deps="mp_filter"
1944 pp3_test_deps="mp_filter"
1945 pp4_test_deps="mp_filter"
1946 pp5_test_deps="mp_filter"
1947 pp6_test_deps="mp_filter"
1948 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1949 zlib_test_deps="zlib"
1950 zmbv_test_deps="zlib"
1951
1952 test_deps(){
1953     suf1=$1
1954     suf2=$2
1955     shift 2
1956     for v; do
1957         dep=${v%=*}
1958         tests=${v#*=}
1959         for name in ${tests}; do
1960             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1961         done
1962     done
1963 }
1964
1965 test_deps _muxer _demuxer                                               \
1966     aiff                                                                \
1967     pcm_alaw=alaw                                                       \
1968     asf                                                                 \
1969     au                                                                  \
1970     avi                                                                 \
1971     dv=dv_fmt                                                           \
1972     ffm                                                                 \
1973     flv=flv_fmt                                                         \
1974     gxf                                                                 \
1975     matroska=mkv                                                        \
1976     mmf                                                                 \
1977     mov="mov ismv"                                                      \
1978     pcm_mulaw=mulaw                                                     \
1979     mxf="mxf mxf_d10"                                                   \
1980     nut                                                                 \
1981     ogg="ogg ogg_vp3"                                                   \
1982     rawvideo=pixfmt                                                     \
1983     rm                                                                  \
1984     swf                                                                 \
1985     mpegts=ts                                                           \
1986     voc                                                                 \
1987     wav                                                                 \
1988     yuv4mpegpipe=yuv4mpeg                                               \
1989
1990 # default parameters
1991
1992 logfile="config.log"
1993
1994 # installation paths
1995 prefix_default="/usr/local"
1996 bindir_default='${prefix}/bin'
1997 datadir_default='${prefix}/share/ffmpeg'
1998 incdir_default='${prefix}/include'
1999 libdir_default='${prefix}/lib'
2000 mandir_default='${prefix}/share/man'
2001 shlibdir_default="$libdir_default"
2002 postproc_version_default="current"
2003
2004 # toolchain
2005 ar_default="ar"
2006 cc_default="gcc"
2007 cxx_default="g++"
2008 host_cc_default="gcc"
2009 install="install"
2010 ln_s="ln -sf"
2011 nm_default="nm"
2012 objformat="elf"
2013 pkg_config_default=pkg-config
2014 ranlib="ranlib"
2015 strip_default="strip"
2016 yasmexe_default="yasm"
2017
2018 nm_opts='-g'
2019 nogas=":"
2020
2021 # machine
2022 arch_default=$(uname -m)
2023 cpu="generic"
2024
2025 # OS
2026 target_os_default=$(tolower $(uname -s))
2027 host_os=$target_os_default
2028
2029 # alternative libpostproc version
2030 ALT_PP_VER_MAJOR=51
2031 ALT_PP_VER_MINOR=2
2032 ALT_PP_VER_MICRO=101
2033 ALT_PP_VER=$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO
2034
2035 # configurable options
2036 enable $PROGRAM_LIST
2037 enable $DOCUMENT_LIST
2038
2039 enable avcodec
2040 enable avdevice
2041 enable avfilter
2042 enable avformat
2043 enable avutil
2044 enable postproc
2045 enable stripping
2046 enable swresample
2047 enable swscale
2048
2049 enable asm
2050 enable debug
2051 enable doc
2052 enable network
2053 enable optimizations
2054 enable safe_bitstream_reader
2055 enable static
2056 enable swscale_alpha
2057
2058 # build settings
2059 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2060 FFSERVERLDFLAGS=-Wl,-E
2061 LIBPREF="lib"
2062 LIBSUF=".a"
2063 FULLNAME='$(NAME)$(BUILDSUF)'
2064 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2065 SLIBPREF="lib"
2066 SLIBSUF=".so"
2067 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2068 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2069 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2070 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2071 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2072 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2073
2074 asflags_filter=echo
2075 cflags_filter=echo
2076 ldflags_filter=echo
2077
2078 AS_C='-c'
2079 AS_O='-o $@'
2080 CC_C='-c'
2081 CC_E='-E -o $@'
2082 CC_O='-o $@'
2083 CXX_C='-c'
2084 CXX_O='-o $@'
2085 LD_O='-o $@'
2086 LD_LIB='-l%'
2087 LD_PATH='-L'
2088 HOSTCC_C='-c'
2089 HOSTCC_O='-o $@'
2090 HOSTLD_O='-o $@'
2091
2092 host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
2093 host_libs='-lm'
2094 host_cflags_filter=echo
2095 host_ldflags_filter=echo
2096
2097 target_path='$(CURDIR)'
2098
2099 # since the object filename is not given with the -MM flag, the compiler
2100 # is only able to print the basename, and we must add the path ourselves
2101 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2102 DEPFLAGS='-MM'
2103
2104 # find source path
2105 if test -f configure; then
2106     source_path=.
2107 else
2108     source_path=$(cd $(dirname "$0"); pwd)
2109     echo "$source_path" | grep -q '[[:blank:]]' &&
2110         die "Out of tree builds are impossible with whitespace in source path."
2111     test -e "$source_path/config.h" &&
2112         die "Out of tree builds are impossible with config.h in source dir."
2113 fi
2114
2115 for v in "$@"; do
2116     r=${v#*=}
2117     l=${v%"$r"}
2118     r=$(sh_quote "$r")
2119     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2120 done
2121
2122 find_things(){
2123     thing=$1
2124     pattern=$2
2125     file=$source_path/$3
2126     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2127 }
2128
2129 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
2130 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
2131 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
2132 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
2133 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
2134 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
2135 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
2136 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
2137 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
2138 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2139 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
2140
2141 ALL_COMPONENTS="
2142     $BSF_LIST
2143     $DECODER_LIST
2144     $DEMUXER_LIST
2145     $ENCODER_LIST
2146     $FILTER_LIST
2147     $HWACCEL_LIST
2148     $INDEV_LIST
2149     $MUXER_LIST
2150     $OUTDEV_LIST
2151     $PARSER_LIST
2152     $PROTOCOL_LIST
2153 "
2154
2155 find_tests(){
2156     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
2157 }
2158
2159 LAVF_FATE_TESTS=$(find_tests lavf-fate)
2160 LAVF_TESTS=$(find_tests lavf)
2161 LAVFI_TESTS=$(find_tests lavfi)
2162 SEEK_TESTS=$(find_tests seek seek_)
2163
2164 ALL_TESTS="$LAVF_FATE_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
2165
2166 for n in $COMPONENT_LIST; do
2167     v=$(toupper ${n%s})_LIST
2168     eval enable \$$v
2169     eval ${n}_if_any="\$$v"
2170 done
2171
2172 enable $ARCH_EXT_LIST $ALL_TESTS
2173
2174 die_unknown(){
2175     echo "Unknown option \"$1\"."
2176     echo "See $0 --help for available options."
2177     exit 1
2178 }
2179
2180 show_list() {
2181     suffix=_$1
2182     shift
2183     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
2184     exit 0
2185 }
2186
2187 rand_list(){
2188     IFS=', '
2189     set -- $*
2190     unset IFS
2191     for thing; do
2192         comp=${thing%:*}
2193         prob=${thing#$comp}
2194         prob=${prob#:}
2195         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2196         echo "prob ${prob:-0.5}"
2197         printf '%s\n' $comp
2198     done
2199 }
2200
2201 do_random(){
2202     action=$1
2203     shift
2204     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2205     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2206 }
2207
2208 for opt do
2209     optval="${opt#*=}"
2210     case "$opt" in
2211     --extra-ldflags=*) add_ldflags $optval
2212     ;;
2213     --extra-libs=*) add_extralibs $optval
2214     ;;
2215     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
2216     ;;
2217     --enable-debug=*) debuglevel="$optval"
2218     ;;
2219     --disable-everything)
2220     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2221     ;;
2222     --enable-random|--disable-random)
2223     action=${opt%%-random}
2224     do_random ${action#--} $COMPONENT_LIST
2225     ;;
2226     --enable-random=*|--disable-random=*)
2227     action=${opt%%-random=*}
2228     do_random ${action#--} $optval
2229     ;;
2230     --enable-*=*|--disable-*=*)
2231     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2232     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2233     eval list=\$$(toupper $thing)_LIST
2234     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2235     $action $(filter "$name" $list)
2236     ;;
2237     --enable-?*|--disable-?*)
2238     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2239     if is_in $option $COMPONENT_LIST; then
2240         test $action = disable && action=unset
2241         eval $action \$$(toupper ${option%s})_LIST
2242     elif is_in $option $CMDLINE_SELECT; then
2243         $action $option
2244     else
2245         die_unknown $opt
2246     fi
2247     ;;
2248     --list-*)
2249         NAME="${opt#--list-}"
2250         is_in $NAME $COMPONENT_LIST || die_unknown $opt
2251         NAME=${NAME%s}
2252         eval show_list $NAME \$$(toupper $NAME)_LIST
2253     ;;
2254     --help|-h) show_help
2255     ;;
2256     *)
2257     optname="${opt%%=*}"
2258     optname="${optname#--}"
2259     optname=$(echo "$optname" | sed 's/-/_/g')
2260     if is_in $optname $CMDLINE_SET; then
2261         eval $optname='$optval'
2262     elif is_in $optname $CMDLINE_APPEND; then
2263         append $optname "$optval"
2264     else
2265          die_unknown $opt
2266     fi
2267     ;;
2268     esac
2269 done
2270
2271 disabled logging && logfile=/dev/null
2272
2273 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2274 set >> $logfile
2275
2276 test -n "$cross_prefix" && enable cross_compile
2277
2278 if enabled cross_compile; then
2279     test -n "$arch" && test -n "$target_os" ||
2280         die "Must specify target arch and OS when cross-compiling"
2281 fi
2282
2283 set_default arch target_os postproc_version
2284
2285 # Check if we should build alternative libpostproc version instead of current
2286 if   test "$postproc_version" = $ALT_PP_VER; then
2287   LIBPOSTPROC_VERSION=$ALT_PP_VER
2288   LIBPOSTPROC_VERSION_MAJOR=$ALT_PP_VER_MAJOR
2289   LIBPOSTPROC_VERSION_MINOR=$ALT_PP_VER_MINOR
2290   LIBPOSTPROC_VERSION_MICRO=$ALT_PP_VER_MICRO
2291 elif test "$postproc_version" != current; then
2292   die "Invalid argument to --postproc-version. See --help output."
2293 fi
2294
2295 ar_default="${cross_prefix}${ar_default}"
2296 cc_default="${cross_prefix}${cc_default}"
2297 cxx_default="${cross_prefix}${cxx_default}"
2298 nm_default="${cross_prefix}${nm_default}"
2299 pkg_config_default="${cross_prefix}${pkg_config_default}"
2300 ranlib="${cross_prefix}${ranlib}"
2301 strip_default="${cross_prefix}${strip_default}"
2302
2303 sysinclude_default="${sysroot}/usr/include"
2304
2305 set_default cc cxx nm pkg_config strip sysinclude yasmexe
2306 enabled cross_compile || host_cc_default=$cc
2307 set_default host_cc
2308
2309 if ! $pkg_config --version >/dev/null 2>&1; then
2310     warn "$pkg_config not found, library detection may fail."
2311     pkg_config=false
2312 fi
2313
2314 exesuf() {
2315     case $1 in
2316         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2317     esac
2318 }
2319
2320 EXESUF=$(exesuf $target_os)
2321 HOSTEXESUF=$(exesuf $host_os)
2322
2323 # set temporary file name
2324 : ${TMPDIR:=$TEMPDIR}
2325 : ${TMPDIR:=$TMP}
2326 : ${TMPDIR:=/tmp}
2327
2328 if ! check_cmd mktemp -u XXXXXX; then
2329     # simple replacement for missing mktemp
2330     # NOT SAFE FOR GENERAL USE
2331     mktemp(){
2332         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2333     }
2334 fi
2335
2336 tmpfile(){
2337     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2338         (set -C; exec > $tmp) 2>/dev/null ||
2339         die "Unable to create temporary file in $TMPDIR."
2340     append TMPFILES $tmp
2341     eval $1=$tmp
2342 }
2343
2344 trap 'rm -f -- $TMPFILES' EXIT
2345
2346 tmpfile TMPASM .asm
2347 tmpfile TMPC   .c
2348 tmpfile TMPCPP .cpp
2349 tmpfile TMPE   $EXESUF
2350 tmpfile TMPH   .h
2351 tmpfile TMPO   .o
2352 tmpfile TMPS   .S
2353 tmpfile TMPSH  .sh
2354 tmpfile TMPV   .ver
2355
2356 unset -f mktemp
2357
2358 chmod +x $TMPE
2359
2360 # make sure we can execute files in $TMPDIR
2361 cat > $TMPSH 2>> $logfile <<EOF
2362 #! /bin/sh
2363 EOF
2364 chmod +x $TMPSH >> $logfile 2>&1
2365 if ! $TMPSH >> $logfile 2>&1; then
2366     cat <<EOF
2367 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2368 variable to another directory and make sure that it is not mounted noexec.
2369 EOF
2370     die "Sanity test failed."
2371 fi
2372
2373 msvc_flags(){
2374     for flag; do
2375         case $flag in
2376             -fomit-frame-pointer) echo -Oy ;;
2377             -g)                   echo -Z7 ;;
2378             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2379                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2380                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2381                                        -wd4996 ;;
2382             -std=c99)             ;;
2383             -fno-math-errno)      ;;
2384             -fno-common)          ;;
2385             -fno-signed-zeros)    ;;
2386             -lz)                  echo zlib.lib ;;
2387             -l*)                  echo ${flag#-l}.lib ;;
2388             *)                    echo $flag ;;
2389         esac
2390     done
2391 }
2392
2393 pgi_flags(){
2394     for flag; do
2395         case $flag in
2396             -fomit-frame-pointer) echo -Mnoframe ;;
2397             -g)                   echo -gopt ;;
2398             *)                    echo $flag ;;
2399         esac
2400     done
2401 }
2402
2403 suncc_flags(){
2404     for flag; do
2405         case $flag in
2406             -march=*|-mcpu=*)
2407                 case "${flag#*=}" in
2408                     native)                   echo -xtarget=native       ;;
2409                     v9|niagara)               echo -xarch=sparc          ;;
2410                     ultrasparc)               echo -xarch=sparcvis       ;;
2411                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2412                     i586|pentium)             echo -xchip=pentium        ;;
2413                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2414                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2415                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2416                     pentium4*)          echo -xtarget=pentium4           ;;
2417                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2418                     *-sse3)             echo -xarch=sse3                 ;;
2419                     core2)              echo -xarch=ssse3 -xchip=core2   ;;
2420                     amdfam10|barcelona|bdver*) echo -xarch=sse4_1        ;;
2421                     athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2422                     k8|opteron|athlon64|athlon-fx)
2423                                               echo -xarch=sse2a          ;;
2424                     athlon*)                  echo -xarch=pentium_proa   ;;
2425                 esac
2426                 ;;
2427             -std=c99)             echo -xc99              ;;
2428             -fomit-frame-pointer) echo -xregs=frameptr    ;;
2429             -fPIC)                echo -KPIC -xcode=pic32 ;;
2430             -W*,*)                echo $flag              ;;
2431             -f*-*|-W*)                                    ;;
2432             *)                    echo $flag              ;;
2433         esac
2434     done
2435 }
2436
2437 tms470_flags(){
2438     for flag; do
2439         case $flag in
2440             -march=*|-mcpu=*)
2441                 case "${flag#*=}" in
2442                     armv7-a|cortex-a*)      echo -mv=7a8 ;;
2443                     armv7-r|cortex-r*)      echo -mv=7r4 ;;
2444                     armv7-m|cortex-m*)      echo -mv=7m3 ;;
2445                     armv6*|arm11*)          echo -mv=6   ;;
2446                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2447                                             echo -mv=5e  ;;
2448                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2449                 esac
2450                 ;;
2451             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2452             -mfpu=vfp)      echo --float_support=vfpv2        ;;
2453             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2454             -msoft-float)   echo --float_support=vfplib       ;;
2455             -O[0-3]|-mf=*)  echo $flag                        ;;
2456             -g)             echo -g -mn                       ;;
2457             -pds=*)         echo $flag                        ;;
2458             -D*|-I*)        echo $flag                        ;;
2459             --gcc|--abi=*)  echo $flag                        ;;
2460             -me)            echo $flag                        ;;
2461         esac
2462     done
2463 }
2464
2465 probe_cc(){
2466     pfx=$1
2467     _cc=$2
2468
2469     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2470     unset _ld_o _ldflags _ld_lib _ld_path
2471     unset _depflags _DEPCMD _DEPFLAGS
2472     _flags_filter=echo
2473
2474     if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2475         _type=llvm_gcc
2476         gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2477         _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2478         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2479         _cflags_speed='-O3'
2480         _cflags_size='-Os'
2481     elif $_cc -v 2>&1 | grep -qi ^gcc; then
2482         _type=gcc
2483         gcc_version=$($_cc --version | head -n1)
2484         gcc_basever=$($_cc -dumpversion)
2485         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2486         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2487         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2488         if ! $_cc -dumpversion | grep -q '^2\.'; then
2489             _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2490         fi
2491         _cflags_speed='-O3'
2492         _cflags_size='-Os'
2493     elif $_cc --version 2>/dev/null | grep -q Intel; then
2494         _type=icc
2495         _ident=$($_cc --version | head -n1)
2496         _depflags='-MMD'
2497         _cflags_speed='-O3'
2498         _cflags_size='-Os'
2499         _cflags_noopt='-O1'
2500     elif $_cc -v 2>&1 | grep -q xlc; then
2501         _type=xlc
2502         _ident=$($_cc -qversion 2>/dev/null | head -n1)
2503         _cflags_speed='-O5'
2504         _cflags_size='-O5 -qcompact'
2505     elif $_cc -V 2>/dev/null | grep -q Compaq; then
2506         _type=ccc
2507         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2508         _DEPFLAGS='-M'
2509         debuglevel=3
2510         _ldflags='-Wl,-z,now' # calls to libots crash without this
2511         _cflags_speed='-fast'
2512         _cflags_size='-O1'
2513     elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2514         test -d "$sysroot" || die "No valid sysroot specified."
2515         _type=armcc
2516         _ident=$($_cc --vsn | head -n1)
2517         armcc_conf="$PWD/armcc.conf"
2518         $_cc --arm_linux_configure                 \
2519              --arm_linux_config_file="$armcc_conf" \
2520              --configure_sysroot="$sysroot"        \
2521              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2522              die "Error creating armcc configuration file."
2523         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2524         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2525         as_default="${cross_prefix}gcc"
2526         _depflags='-MMD'
2527         _cflags_speed='-O3'
2528         _cflags_size='-Os'
2529     elif $_cc -version 2>/dev/null | grep -q TMS470; then
2530         _type=tms470
2531         _ident=$($_cc -version | head -n1 | tr -s ' ')
2532         _flags='--gcc --abi=eabi -me'
2533         _cflags='-D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__='
2534         _cc_e='-ppl -fe=$@'
2535         _cc_o='-fe=$@'
2536         as_default="${cross_prefix}gcc"
2537         ld_default="${cross_prefix}gcc"
2538         _depflags='-ppa -ppd=$(@:.o=.d)'
2539         _cflags_speed='-O3 -mf=5'
2540         _cflags_size='-O3 -mf=2'
2541         _flags_filter=tms470_flags
2542     elif $_cc -v 2>&1 | grep -q clang; then
2543         _type=clang
2544         _ident=$($_cc --version | head -n1)
2545         _depflags='-MMD'
2546         _cflags_speed='-O3'
2547         _cflags_size='-Os'
2548     elif $_cc -V 2>&1 | grep -q Sun; then
2549         _type=suncc
2550         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2551         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2552         _DEPFLAGS='-xM1 -xc99'
2553         _ldflags='-std=c99'
2554         _cflags_speed='-O5'
2555         _cflags_size='-O5 -xspace'
2556         _flags_filter=suncc_flags
2557     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2558         _type=pathscale
2559         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2560         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2561         _cflags_speed='-O2'
2562         _cflags_size='-Os'
2563         _flags_filter='filter_out -Wdisabled-optimization'
2564     elif $_cc -v 2>&1 | grep -q Open64; then
2565         _type=open64
2566         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2567         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2568         _cflags_speed='-O2'
2569         _cflags_size='-Os'
2570         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2571     elif $_cc -V 2>&1 | grep -q Portland; then
2572         _type=pgi
2573         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2574         opt_common='-alias=ansi -Mlre -Mpre'
2575         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2576         _cflags_size="-O2 -Munroll=c:1 $opt_common"
2577         _cflags_noopt="-O1"
2578         _flags_filter=pgi_flags
2579     elif $_cc 2>&1 | grep -q Microsoft; then
2580         _type=msvc
2581         _ident=$($cc 2>&1 | head -n1)
2582         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2583         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2584         _cflags_speed="-O2"
2585         _cflags_size="-O1"
2586         # Nonstandard output options, to avoid msys path conversion issues, relies on wrapper to remap it
2587         if $_cc 2>&1 | grep -q Linker; then
2588             _ld_o='-out $@'
2589         else
2590             _ld_o='-Fe$@'
2591         fi
2592         _cc_o='-Fo $@'
2593         _cc_e='-P -Fi $@'
2594         _flags_filter=msvc_flags
2595         _ld_lib='lib%.a'
2596         _ld_path='-libpath:'
2597         _flags='-nologo'
2598         _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2599         if [ $pfx = hostcc ]; then
2600             _cflags="$cflags -Dsnprintf=_snprintf"
2601         fi
2602         disable aligned_stack
2603     fi
2604
2605     eval ${pfx}_type=\$_type
2606     eval ${pfx}_ident=\$_ident
2607 }
2608
2609 set_ccvars(){
2610     eval ${1}_C=\${_cc_c-\${${1}_C}}
2611     eval ${1}_E=\${_cc_e-\${${1}_E}}
2612     eval ${1}_O=\${_cc_o-\${${1}_O}}
2613
2614     if [ -n "$_depflags" ]; then
2615         eval ${1}_DEPFLAGS=\$_depflags
2616     else
2617         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2618         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2619         eval DEP${1}FLAGS=\$_flags
2620     fi
2621 }
2622
2623 probe_cc cc "$cc"
2624 cflags_filter=$_flags_filter
2625 cflags_speed=$_cflags_speed
2626 cflags_size=$_cflags_size
2627 cflags_noopt=$_cflags_noopt
2628 add_cflags $_flags $_cflags
2629 cc_ldflags=$_ldflags
2630 set_ccvars CC
2631
2632 probe_cc hostcc "$host_cc"
2633 host_cflags_filter=$_flags_filter
2634 add_host_cflags  $_flags $_cflags
2635 set_ccvars HOSTCC
2636
2637 test -n "$cc_type" && enable $cc_type ||
2638     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2639
2640 : ${as_default:=$cc}
2641 : ${dep_cc_default:=$cc}
2642 : ${ld_default:=$cc}
2643 : ${host_ld_default:=$host_cc}
2644 set_default ar as dep_cc ld host_ld
2645
2646 probe_cc as "$as"
2647 asflags_filter=$_flags_filter
2648 add_asflags $_flags $_cflags
2649 set_ccvars AS
2650
2651 probe_cc ld "$ld"
2652 ldflags_filter=$_flags_filter
2653 add_ldflags $_flags $_ldflags
2654 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2655 LD_O=${_ld_o-$LD_O}
2656 LD_LIB=${_ld_lib-$LD_LIB}
2657 LD_PATH=${_ld_path-$LD_PATH}
2658
2659 probe_cc hostld "$host_ld"
2660 host_ldflags_filter=$_flags_filter
2661 add_host_ldflags $_flags $_ldflags
2662 HOSTLD_O=${_ld_o-$HOSTLD_O}
2663
2664 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2665     probe_cc depcc "$dep_cc"
2666     CCDEP=${_DEPCMD:-$DEPCMD}
2667     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2668     DEPCCFLAGS=$_flags
2669 fi
2670
2671 add_cflags $extra_cflags
2672 add_cxxflags $extra_cxxflags
2673 add_asflags $extra_cflags
2674
2675 if test -n "$sysroot"; then
2676     case "$cc_type" in
2677         gcc|llvm_gcc|clang)
2678             add_cppflags --sysroot="$sysroot"
2679             add_ldflags --sysroot="$sysroot"
2680         ;;
2681         tms470)
2682             add_cppflags -I"$sysinclude"
2683             add_ldflags  --sysroot="$sysroot"
2684         ;;
2685     esac
2686 fi
2687
2688 if test "$cpu" = host; then
2689     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2690
2691     case "$cc_type" in
2692         gcc|llvm_gcc)
2693             check_native(){
2694                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2695                 sed -n "/cc1.*$1=/{
2696                             s/.*$1=\\([^ ]*\\).*/\\1/
2697                             p
2698                             q
2699                         }" $TMPE
2700             }
2701             cpu=$(check_native -march || check_native -mcpu)
2702         ;;
2703     esac
2704
2705     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2706 fi
2707
2708 # Deal with common $arch aliases
2709 case "$arch" in
2710     arm*|iPad*)
2711         arch="arm"
2712     ;;
2713     mips|mipsel|IP*)
2714         arch="mips"
2715     ;;
2716     mips64*)
2717         arch="mips"
2718         subarch="mips64"
2719     ;;
2720     parisc|hppa)
2721         arch="parisc"
2722     ;;
2723     parisc64|hppa64)
2724         arch="parisc"
2725         subarch="parisc64"
2726     ;;
2727     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2728         arch="ppc"
2729     ;;
2730     s390|s390x)
2731         arch="s390"
2732     ;;
2733     sh4|sh)
2734         arch="sh4"
2735     ;;
2736     sun4u|sparc64)
2737         arch="sparc"
2738         subarch="sparc64"
2739     ;;
2740     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2741         arch="x86"
2742     ;;
2743 esac
2744
2745 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2746 enable $arch
2747
2748 # Add processor-specific flags
2749 if test "$cpu" = generic; then
2750     : do nothing
2751 elif enabled ppc; then
2752
2753     case $(tolower $cpu) in
2754         601|ppc601|powerpc601)
2755             cpuflags="-mcpu=601"
2756             disable altivec
2757         ;;
2758         603*|ppc603*|powerpc603*)
2759             cpuflags="-mcpu=603"
2760             disable altivec
2761         ;;
2762         604*|ppc604*|powerpc604*)
2763             cpuflags="-mcpu=604"
2764             disable altivec
2765         ;;
2766         g3|75*|ppc75*|powerpc75*)
2767             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2768             disable altivec
2769         ;;
2770         g4|745*|ppc745*|powerpc745*)
2771             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2772         ;;
2773         74*|ppc74*|powerpc74*)
2774             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2775         ;;
2776         g5|970|ppc970|powerpc970)
2777             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2778         ;;
2779         power[3-7]*)
2780             cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2781         ;;
2782         cell)
2783             cpuflags="-mcpu=cell"
2784             enable ldbrx
2785         ;;
2786         e500mc)
2787             cpuflags="-mcpu=e500mc"
2788             disable altivec
2789         ;;
2790         e500v2)
2791             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2792             disable altivec
2793         ;;
2794         e500)
2795             cpuflags="-mcpu=8540 -mhard-float"
2796             disable altivec
2797         ;;
2798     esac
2799
2800 elif enabled x86; then
2801
2802     case $cpu in
2803         i[345]86|pentium)
2804             cpuflags="-march=$cpu"
2805             disable mmx
2806         ;;
2807         # targets that do NOT support conditional mov (cmov)
2808         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2809             cpuflags="-march=$cpu"
2810             disable cmov
2811         ;;
2812         # targets that do support conditional mov (cmov)
2813         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom|bdver*)
2814             cpuflags="-march=$cpu"
2815             enable cmov
2816             enable fast_cmov
2817         ;;
2818         # targets that do support conditional mov but on which it's slow
2819         pentium4|pentium4m|prescott|nocona)
2820             cpuflags="-march=$cpu"
2821             enable cmov
2822             disable fast_cmov
2823         ;;
2824     esac
2825
2826 elif enabled sparc; then
2827
2828     case $cpu in
2829         niagara)
2830             cpuflags="-mcpu=$cpu"
2831             disable vis
2832         ;;
2833         sparc64)
2834             cpuflags="-mcpu=v9"
2835         ;;
2836     esac
2837
2838 elif enabled arm; then
2839
2840     case $cpu in
2841         armv*)
2842             cpuflags="-march=$cpu"
2843             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2844         ;;
2845         *)
2846             cpuflags="-mcpu=$cpu"
2847             case $cpu in
2848                 cortex-a*)                               subarch=armv7a  ;;
2849                 cortex-r*)                               subarch=armv7r  ;;
2850                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2851                 arm11*)                                  subarch=armv6   ;;
2852                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2853                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2854             esac
2855         ;;
2856     esac
2857
2858 elif enabled alpha; then
2859
2860     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2861
2862 elif enabled bfin; then
2863
2864     cpuflags="-mcpu=$cpu"
2865
2866 elif enabled mips; then
2867
2868     cpuflags="-march=$cpu"
2869
2870     case $cpu in
2871         24kc)
2872             disable mipsfpu
2873             disable mipsdspr1
2874             disable mipsdspr2
2875         ;;
2876         24kf*)
2877             disable mipsdspr1
2878             disable mipsdspr2
2879         ;;
2880         24kec|34kc|1004kc)
2881             disable mipsfpu
2882             disable mipsdspr2
2883         ;;
2884         24kef*|34kf*|1004kf*)
2885             disable mipsdspr2
2886         ;;
2887         74kc)
2888             disable mipsfpu
2889         ;;
2890     esac
2891
2892 elif enabled avr32; then
2893
2894     case $cpu in
2895         ap7[02]0[0-2])
2896             subarch="avr32_ap"
2897             cpuflags="-mpart=$cpu"
2898         ;;
2899         ap)
2900             subarch="avr32_ap"
2901             cpuflags="-march=$cpu"
2902         ;;
2903         uc3[ab]*)
2904             subarch="avr32_uc"
2905             cpuflags="-mcpu=$cpu"
2906         ;;
2907         uc)
2908             subarch="avr32_uc"
2909             cpuflags="-march=$cpu"
2910         ;;
2911     esac
2912
2913 fi
2914
2915 add_cflags $cpuflags
2916 add_asflags $cpuflags
2917
2918 # compiler sanity check
2919 check_exec <<EOF
2920 int main(void){ return 0; }
2921 EOF
2922 if test "$?" != 0; then
2923     echo "$cc is unable to create an executable file."
2924     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2925         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2926         echo "Only do this if you know what cross compiling means."
2927     fi
2928     die "C compiler test failed."
2929 fi
2930
2931 add_cppflags -D_ISOC99_SOURCE
2932 add_cxxflags -D__STDC_CONSTANT_MACROS
2933 check_cflags -std=c99
2934 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2935 #include <stdlib.h>
2936 EOF
2937 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2938 #include <stdlib.h>
2939 EOF
2940
2941 check_host_cflags -std=c99
2942 check_host_cflags -Wall
2943
2944 case "$arch" in
2945     alpha|ia64|mips|parisc|sparc)
2946         spic=$shared
2947     ;;
2948     x86)
2949         subarch="x86_32"
2950         check_code cc "" "int test[(int)sizeof(char*) - 7]" && subarch="x86_64"
2951         if test "$subarch" = "x86_64"; then
2952             spic=$shared
2953         fi
2954     ;;
2955     ppc)
2956         check_cc <<EOF && subarch="ppc64"
2957         int test[(int)sizeof(char*) - 7];
2958 EOF
2959     ;;
2960 esac
2961
2962 enable $subarch
2963 enabled spic && enable pic
2964
2965 # OS specific
2966 case $target_os in
2967     haiku)
2968         prefix_default="/boot/common"
2969         network_extralibs="-lnetwork"
2970         host_libs=
2971         ;;
2972     sunos)
2973         FFSERVERLDFLAGS=""
2974         SHFLAGS='-shared -Wl,-h,$$(@F)'
2975         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2976         network_extralibs="-lsocket -lnsl"
2977         add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
2978         # When using suncc to build, the Solaris linker will mark
2979         # an executable with each instruction set encountered by
2980         # the Solaris assembler.  As our libraries contain their own
2981         # guards for processor-specific code, instead suppress
2982         # generation of the HWCAPS ELF section on Solaris x86 only.
2983         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2984         nm_opts='-P -g'
2985         ;;
2986     netbsd)
2987         disable symver
2988         oss_indev_extralibs="-lossaudio"
2989         oss_outdev_extralibs="-lossaudio"
2990         ;;
2991     openbsd|bitrig)
2992         # On OpenBSD 4.5. the compiler does not use PIC unless
2993         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2994         # however the generated executable will not do anything
2995         # (simply quits with exit-code 1, no crash, no output).
2996         # Thus explicitly enable PIC here.
2997         enable pic
2998         disable symver
2999         SHFLAGS='-shared'
3000         SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBVERSION)'
3001         SLIB_INSTALL_LINKS=
3002         oss_indev_extralibs="-lossaudio"
3003         oss_outdev_extralibs="-lossaudio"
3004         ;;
3005     dragonfly)
3006         disable symver
3007         ;;
3008     freebsd)
3009         ;;
3010     bsd/os)
3011         add_extralibs -lpoll -lgnugetopt
3012         strip="strip -d"
3013         ;;
3014     darwin)
3015         gas="gas-preprocessor.pl $cc"
3016         enabled ppc && add_asflags -force_cpusubtype_ALL
3017         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3018         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3019         strip="${strip} -x"
3020         add_ldflags -Wl,-dynamic,-search_paths_first
3021         SLIBSUF=".dylib"
3022         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3023         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3024         FFSERVERLDFLAGS=-Wl,-bind_at_load
3025         objformat="macho"
3026         enabled x86_64 && objformat="macho64"
3027         enabled_any pic shared ||
3028             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3029         ;;
3030     mingw32*)
3031         if test $target_os = "mingw32ce"; then
3032             disable network
3033         else
3034             target_os=mingw32
3035         fi
3036         LIBTARGET=i386
3037         if enabled x86_64; then
3038             LIBTARGET="i386:x86-64"
3039         elif enabled arm; then
3040             LIBTARGET=arm-wince
3041         fi
3042         shlibdir_default="$bindir_default"
3043         SLIBPREF=""
3044         SLIBSUF=".dll"
3045         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3046         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3047         dlltool="${cross_prefix}dlltool"
3048         if check_cmd lib.exe -list; then
3049             SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3050             if enabled x86_64; then
3051                 LIBTARGET=x64
3052             fi
3053         elif check_cmd $dlltool --version; then
3054             SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3055         fi
3056         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3057         SLIB_INSTALL_LINKS=
3058         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3059         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3060         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3061         objformat="win32"
3062         ranlib=:
3063         enable dos_paths
3064         check_cflags -fno-common
3065         add_cppflags -U__STRICT_ANSI__
3066         ;;
3067     cygwin*)
3068         target_os=cygwin
3069         shlibdir_default="$bindir_default"
3070         SLIBPREF="cyg"
3071         SLIBSUF=".dll"
3072         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3073         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3074         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3075         SLIB_INSTALL_LINKS=
3076         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3077         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3078         objformat="win32"
3079         enable dos_paths
3080         check_cflags -fno-common
3081         add_cppflags -U__STRICT_ANSI__
3082         ;;
3083     *-dos|freedos|opendos)
3084         network_extralibs="-lsocket"
3085         objformat="coff"
3086         enable dos_paths
3087         add_cppflags -U__STRICT_ANSI__
3088         ;;
3089     linux)
3090         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3091         enable dv1394
3092         ;;
3093     irix*)
3094         target_os=irix
3095         ranlib="echo ignoring ranlib"
3096         ;;
3097     os/2*)
3098         strip="lxlite -CS"
3099         ln_s="cp -f"
3100         objformat="aout"
3101         add_cppflags -D_GNU_SOURCE
3102         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3103         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3104         FFSERVERLDFLAGS=""
3105         LIBSUF="_s.a"
3106         SLIBPREF=""
3107         SLIBSUF=".dll"
3108         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3109         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3110         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3111           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3112           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3113           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3114           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3115           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3116         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3117           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3118         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3119         enable dos_paths
3120         enable_weak os2threads
3121         ;;
3122     gnu/kfreebsd)
3123         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
3124         ;;
3125     gnu)
3126         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3127         ;;
3128     qnx)
3129         add_cppflags -D_QNX_SOURCE
3130         network_extralibs="-lsocket"
3131         ;;
3132     symbian)
3133         SLIBSUF=".dll"
3134         enable dos_paths
3135         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3136         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3137         add_ldflags -Wl,--target1-abs,--no-undefined \
3138                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3139                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3140         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3141                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3142                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3143         ;;
3144     none)
3145         ;;
3146     *)
3147         die "Unknown OS '$target_os'."
3148         ;;
3149 esac
3150
3151 # determine libc flavour
3152
3153 if check_cpp_condition features.h "defined __UCLIBC__"; then
3154     libc_type=uclibc
3155 elif check_cpp_condition features.h "defined __GLIBC__"; then
3156     libc_type=glibc
3157 elif check_header _mingw.h; then
3158     libc_type=mingw
3159     check_cpp_condition _mingw.h \
3160         "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3161             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3162         die "ERROR: MinGW runtime version must be >= 3.15."
3163 elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3164     libc_type=newlib
3165 elif check_func_headers stdlib.h _get_doserrno; then
3166     libc_type=msvcrt
3167     add_cflags -Dstrtod=avpriv_strtod
3168     add_cflags -Dsnprintf=avpriv_snprintf   \
3169                -D_snprintf=avpriv_snprintf  \
3170                -Dvsnprintf=avpriv_vsnprintf
3171 elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3172     libc_type=klibc
3173 fi
3174
3175 test -n "$libc_type" && enable $libc_type
3176
3177 esc(){
3178     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3179 }
3180
3181 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
3182
3183 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
3184
3185 set_default $PATHS_LIST
3186
3187 # we need to build at least one lib type
3188 if ! enabled_any static shared; then
3189     cat <<EOF
3190 At least one library type must be built.
3191 Specify --enable-static to build the static libraries or --enable-shared to
3192 build the shared libraries as well. To only build the shared libraries specify
3193 --disable-static in addition to --enable-shared.
3194 EOF
3195     exit 1;
3196 fi
3197
3198 die_license_disabled() {
3199     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3200 }
3201
3202 die_license_disabled_gpl() {
3203     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
3204 }
3205
3206 die_license_disabled gpl libcdio
3207 die_license_disabled gpl libutvideo
3208 die_license_disabled gpl libx264
3209 die_license_disabled gpl libxavs
3210 die_license_disabled gpl libxvid
3211 die_license_disabled gpl x11grab
3212
3213 die_license_disabled nonfree libaacplus
3214 die_license_disabled nonfree libfaac
3215 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
3216 enabled gpl && die_license_disabled_gpl nonfree openssl
3217
3218 die_license_disabled version3 libopencore_amrnb
3219 die_license_disabled version3 libopencore_amrwb
3220 die_license_disabled version3 libvo_aacenc
3221 die_license_disabled version3 libvo_amrwbenc
3222
3223 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3224
3225 disabled optimizations || check_cflags -fomit-frame-pointer
3226
3227 enable_pic() {
3228     enable pic
3229     add_cppflags -DPIC
3230     add_cflags   -fPIC
3231     add_asflags  -fPIC
3232 }
3233
3234 enabled pic && enable_pic
3235
3236 check_cc <<EOF || die "Symbol mangling check failed."
3237 int ff_extern;
3238 EOF
3239 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3240 extern_prefix=${sym%%ff_extern*}
3241
3242 check_cc <<EOF && enable inline_asm
3243 void foo(void) { __asm__ volatile ("" ::); }
3244 EOF
3245
3246 _restrict=
3247 for restrict_keyword in restrict __restrict__ __restrict; do
3248     check_cc <<EOF && _restrict=$restrict_keyword && break
3249 void foo(char * $restrict_keyword p);
3250 EOF
3251 done
3252
3253 check_cc <<EOF && enable attribute_packed
3254 struct { int x; } __attribute__((packed)) x;
3255 EOF
3256
3257 check_cc <<EOF && enable attribute_may_alias
3258 union { int x; } __attribute__((may_alias)) x;
3259 EOF
3260
3261 check_cc <<EOF || die "endian test failed"
3262 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3263 EOF
3264 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3265
3266 if enabled alpha; then
3267
3268     check_cflags -mieee
3269
3270 elif enabled arm; then
3271
3272     enabled thumb && check_cflags -mthumb || check_cflags -marm
3273     nogas=die
3274
3275     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3276         enable vfp_args
3277     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3278         case "${cross_prefix:-$cc}" in
3279             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
3280             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3281 __asm__ (".eabi_attribute 28, 1");
3282 int main(void) { return 0; }
3283 EOF
3284         esac
3285         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3286     fi
3287
3288     enabled armv5te && check_inline_asm armv5te '"qadd r0, r0, r0"'
3289     enabled armv6   && check_inline_asm armv6   '"sadd16 r0, r0, r0"'
3290     enabled armv6t2 && check_inline_asm armv6t2 '"movt r0, #0"'
3291     enabled armvfp  && check_inline_asm armvfp  '"fadds s0, s0, s0"'
3292     enabled neon    && check_inline_asm neon    '"vadd.i16 q0, q0, q0"'
3293     enabled vfpv3   && check_inline_asm vfpv3   '"vmov.f32 s0, #1.0"'
3294
3295     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3296     check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
3297
3298     enabled_all armv6t2 shared !pic && enable_pic
3299
3300 elif enabled mips; then
3301
3302     check_inline_asm loongson '"dmult.g $1, $2, $3"'
3303     enabled mmi && check_inline_asm mmi '"lq $2, 0($2)"'
3304     enabled mips32r2  && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
3305      check_inline_asm mips32r2  '"rotr $t0, $t1, 1"'
3306     enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
3307      check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
3308     enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
3309      check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
3310     enabled mipsfpu   && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
3311      check_inline_asm mipsfpu   '"madd.d $f0, $f2, $f4, $f6"'
3312
3313 elif enabled ppc; then
3314
3315     enable local_aligned_8 local_aligned_16
3316
3317     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
3318     check_inline_asm ibm_asm   '"add 0, 0, 0"'
3319     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'
3320     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
3321
3322     # AltiVec flags: The FSF version of GCC differs from the Apple version
3323     if enabled altivec; then
3324         nogas=warn
3325         check_cflags -maltivec -mabi=altivec &&
3326         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3327         check_cflags -faltivec
3328
3329         # check if our compiler supports Motorola AltiVec C API
3330         check_cc <<EOF || disable altivec
3331 $inc_altivec_h
3332 int main(void) {
3333     vector signed int v1 = (vector signed int) { 0 };
3334     vector signed int v2 = (vector signed int) { 1 };
3335     v1 = vec_add(v1, v2);
3336     return 0;
3337 }
3338 EOF
3339
3340         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
3341     fi
3342
3343 elif enabled sparc; then
3344
3345     enabled vis &&
3346         check_inline_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
3347         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
3348
3349 elif enabled x86; then
3350
3351     check_code ld immintrin.h "__xgetbv(0)" "cc" && enable xgetbv
3352     check_code ld intrin.h "int info[4]; __cpuid(info, 0)" "cc" && enable cpuid
3353     check_code ld intrin.h "__rdtsc()" "cc" && enable rdtsc
3354     check_code ld intrin.h "unsigned int x = __readeflags()" "cc" && enable rweflags
3355
3356     check_code ld mmintrin.h "_mm_empty()" "cc" && enable mm_empty
3357
3358     enable local_aligned_8 local_aligned_16
3359
3360     # check whether EBP is available on x86
3361     # As 'i' is stored on the stack, this program will crash
3362     # if the base pointer is used to access it because the
3363     # base pointer is cleared in the inline assembly code.
3364     check_exec_crash <<EOF && enable ebp_available
3365     volatile int i=0;
3366     __asm__ volatile (
3367         "xorl %%ebp, %%ebp"
3368     ::: "%ebp");
3369     return i;
3370 EOF
3371
3372     # check whether EBX is available on x86
3373     check_inline_asm ebx_available '""::"b"(0)' &&
3374         check_inline_asm ebx_available '"":::"%ebx"'
3375
3376     # check whether xmm clobbers are supported
3377     check_inline_asm xmm_clobbers '"":::"%xmm0"'
3378
3379     # check whether binutils is new enough to compile SSSE3/MMXEXT
3380     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'
3381     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
3382
3383     if ! disabled_any asm mmx yasm; then
3384         if check_cmd $yasmexe --version; then
3385             enabled x86_64 && yasm_extra="-m amd64"
3386             yasm_debug="-g dwarf2"
3387         elif check_cmd nasm -v; then
3388             yasmexe=nasm
3389             yasm_debug="-g -F dwarf"
3390             enabled x86_64 && test "$objformat" = elf && objformat=elf64
3391         fi
3392
3393         YASMFLAGS="-f $objformat $yasm_extra"
3394         enabled pic               && append YASMFLAGS "-DPIC"
3395         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
3396         case "$objformat" in
3397             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3398         esac
3399
3400         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3401             die "yasm not found, use --disable-yasm for a crippled build"
3402         check_yasm "vextractf128 xmm0, ymm0, 0"      || disable avx_external
3403         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
3404         check_yasm "CPU amdnop" && enable cpunop
3405     fi
3406
3407     case "$cpu" in
3408         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3409             disable fast_clz
3410         ;;
3411     esac
3412
3413 fi
3414
3415 if enabled asm; then
3416     as=${gas:=$as}
3417     check_inline_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3418         $nogas "GNU assembler not found, install gas-preprocessor"
3419 fi
3420
3421 check_ldflags -Wl,--as-needed
3422
3423 if check_func dlopen; then
3424     ldl=
3425 elif check_func dlopen -ldl; then
3426     ldl=-ldl
3427 fi
3428
3429 if enabled network; then
3430     check_type "sys/types.h sys/socket.h" socklen_t
3431     check_type netdb.h "struct addrinfo"
3432     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
3433     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
3434     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3435     check_type netinet/in.h "struct sockaddr_in6"
3436     check_type poll.h "struct pollfd"
3437     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3438     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3439     check_type netinet/sctp.h "struct sctp_event_subscribe"
3440     check_func getaddrinfo $network_extralibs
3441     # Prefer arpa/inet.h over winsock2
3442     if check_header arpa/inet.h ; then
3443         check_func closesocket
3444     elif check_header winsock2.h ; then
3445         check_func_headers winsock2.h closesocket -lws2 &&
3446             network_extralibs="-lws2" ||
3447         { check_func_headers winsock2.h closesocket -lws2_32 &&
3448             network_extralibs="-lws2_32"; }
3449         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
3450         check_type ws2tcpip.h socklen_t
3451         check_type ws2tcpip.h "struct addrinfo"
3452         check_type ws2tcpip.h "struct group_source_req"
3453         check_type ws2tcpip.h "struct ip_mreq_source"
3454         check_type ws2tcpip.h "struct ipv6_mreq"
3455         check_type winsock2.h "struct pollfd"
3456         check_type ws2tcpip.h "struct sockaddr_in6"
3457         check_type ws2tcpip.h "struct sockaddr_storage"
3458         check_struct winsock2.h "struct sockaddr" sa_len
3459     else
3460         disable network
3461     fi
3462 fi
3463
3464 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3465 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3466
3467 check_func  clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
3468 check_func  fcntl
3469 check_func  fork
3470 check_func  gethrtime
3471 check_func  getopt
3472 check_func  getrusage
3473 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3474 check_func  gettimeofday
3475 check_func  inet_aton $network_extralibs
3476 check_func  isatty
3477 check_func  localtime_r
3478 check_func  ${malloc_prefix}memalign            && enable memalign
3479 check_func  mkstemp
3480 check_func  mmap
3481 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
3482 check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc
3483 check_func  setrlimit
3484 check_func  strerror_r
3485 check_func  sched_getaffinity
3486 check_func  sysconf
3487 check_func  sysctl
3488 check_func  usleep
3489 check_func_headers conio.h kbhit
3490 check_func_headers windows.h PeekNamedPipe
3491 check_func_headers io.h setmode
3492 check_func_headers lzo/lzo1x.h lzo1x_999_compress
3493 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
3494 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3495 check_func_headers windows.h GetProcessAffinityMask
3496 check_func_headers windows.h GetProcessTimes
3497 check_func_headers windows.h GetSystemTimeAsFileTime
3498 check_func_headers windows.h MapViewOfFile
3499 check_func_headers windows.h Sleep
3500 check_func_headers windows.h VirtualAlloc
3501 check_func_headers glob.h glob
3502
3503 check_header dlfcn.h
3504 check_header dxva.h
3505 check_header dxva2api.h -D_WIN32_WINNT=0x0600
3506 check_header libcrystalhd/libcrystalhd_if.h
3507 check_header malloc.h
3508 check_header poll.h
3509 check_header sys/mman.h
3510 check_header sys/param.h
3511 check_header sys/resource.h
3512 check_header sys/select.h
3513 check_header sys/time.h
3514 check_header termios.h
3515 check_header unistd.h
3516 check_header vdpau/vdpau.h
3517 check_header vdpau/vdpau_x11.h
3518 check_header windows.h
3519 check_header X11/extensions/XvMClib.h
3520 check_header asm/types.h
3521
3522 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3523 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3524
3525 # check for VDA header
3526 if ! disabled vda; then
3527     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3528         enable vda
3529         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3530     fi
3531 fi
3532
3533 if ! disabled w32threads && ! enabled pthreads; then
3534     check_func _beginthreadex && enable w32threads
3535 fi
3536
3537 # check for some common methods of building with pthread support
3538 # do this before the optional library checks as some of them require pthreads
3539 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3540     enable pthreads
3541     if check_func pthread_create; then
3542         :
3543     elif check_func pthread_create -pthread; then
3544         add_cflags -pthread
3545         add_extralibs -pthread
3546     elif check_func pthread_create -pthreads; then
3547         add_cflags -pthreads
3548         add_extralibs -pthreads
3549     elif check_func pthread_create -lpthreadGC2; then
3550         add_extralibs -lpthreadGC2
3551     elif ! check_lib pthread.h pthread_create -lpthread; then
3552         disable pthreads
3553     fi
3554 fi
3555
3556 for thread in $THREADS_LIST; do
3557     if enabled $thread; then
3558         test -n "$thread_type" &&
3559             die "ERROR: Only one thread type must be selected." ||
3560             thread_type="$thread"
3561     fi
3562 done
3563
3564 if enabled pthreads; then
3565   check_func pthread_cancel
3566 fi
3567
3568 check_lib math.h sin -lm && LIBM="-lm"
3569 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3570 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3571
3572 check_mathfunc cbrtf
3573 check_mathfunc exp2
3574 check_mathfunc exp2f
3575 check_mathfunc isinf
3576 check_mathfunc isnan
3577 check_mathfunc llrint
3578 check_mathfunc llrintf
3579 check_mathfunc log2
3580 check_mathfunc log2f
3581 check_mathfunc lrint
3582 check_mathfunc lrintf
3583 check_mathfunc rint
3584 check_mathfunc round
3585 check_mathfunc roundf
3586 check_mathfunc trunc
3587 check_mathfunc truncf
3588
3589 # these are off by default, so fail if requested and not available
3590 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3591 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
3592 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3593 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3594 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
3595 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3596 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3597 enabled libbluray  && require libbluray libbluray/bluray.h bd_open -lbluray
3598 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0 &&
3599                       { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
3600                         die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
3601 enabled libcaca    && require_pkg_config caca caca.h caca_create_canvas
3602 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3603 enabled libfdk_aac && require  libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
3604 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"
3605 enabled libflite   && require2 libflite "flite/flite.h" flite_init $flite_libs
3606 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3607 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3608 enabled libilbc    && require  libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
3609 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3610 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3611 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3612 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3613 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3614 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3615 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3616 enabled libopus    && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
3617 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3618 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3619 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3620 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3621 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3622     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3623     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
3624 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3625 enabled libtwolame && require  libtwolame twolame.h twolame_init -ltwolame &&
3626                       { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
3627                         die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
3628 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3629 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3630 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3631 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3632 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3633 enabled libvpx     && {
3634     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3635                                 die "ERROR: libvpx decoder must be installed and version must be >=0.9.1"; }
3636     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
3637                                 die "ERROR: libvpx encoder version must be >=0.9.7"; } }
3638 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3639                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3640                         die "ERROR: libx264 must be installed and version must be >= 0.118."; }
3641 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3642 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3643 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3644                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3645                         die "ERROR: openal not found"; } &&
3646                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3647                         die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
3648 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3649                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3650                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3651                         die "ERROR: openssl not found"; }
3652
3653 if enabled gnutls; then
3654     { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
3655     { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
3656 fi
3657
3658 # libdc1394 check
3659 if enabled libdc1394; then
3660     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3661         enable libdc1394_2; } ||
3662     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3663         enable libdc1394_1; } ||
3664     die "ERROR: No version of libdc1394 found "
3665 fi
3666
3667 SDL_CONFIG="${cross_prefix}sdl-config"
3668 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3669     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3670     enable sdl &&
3671     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3672 else
3673   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3674     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3675     sdl_libs=$("${SDL_CONFIG}" --libs)
3676     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3677     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3678     enable sdl &&
3679     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3680   fi
3681 fi
3682 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3683
3684 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
3685 makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
3686 perl --version > /dev/null 2>&1 && enable perl || disable perl
3687 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
3688
3689 check_header linux/fb.h
3690 check_header linux/videodev.h
3691 check_header linux/videodev2.h
3692 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3693
3694 check_header sys/videoio.h
3695
3696 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3697 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3698 # w32api 3.12 had it defined wrong
3699 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3700
3701 check_type "dshow.h" IBaseFilter
3702
3703 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3704 { check_header dev/bktr/ioctl_meteor.h &&
3705   check_header dev/bktr/ioctl_bt848.h; } ||
3706 { check_header machine/ioctl_meteor.h &&
3707   check_header machine/ioctl_bt848.h; } ||
3708 { check_header dev/video/meteor/ioctl_meteor.h &&
3709   check_header dev/video/bktr/ioctl_bt848.h; } ||
3710 check_header dev/ic/bt8xx.h
3711
3712 check_header sndio.h
3713 if check_struct sys/soundcard.h audio_buf_info bytes; then
3714     enable_safe sys/soundcard.h
3715 else
3716     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3717     #include <sys/soundcard.h>
3718     audio_buf_info abc;
3719 EOF
3720 fi
3721 check_header soundcard.h
3722
3723 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3724
3725 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
3726     check_func jack_port_get_latency_range -ljack
3727
3728 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3729
3730 enabled libcdio &&
3731     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3732
3733 enabled x11grab                                           &&
3734 require X11 X11/Xlib.h XOpenDisplay -lX11                 &&
3735 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3736 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3737
3738 if ! disabled vaapi; then
3739     check_lib va/va.h vaInitialize -lva && {
3740         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3741         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3742     } || disable vaapi
3743 fi
3744
3745 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3746 check_cpp_condition \
3747     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3748     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3749       disable vdpau; }
3750 fi
3751
3752 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3753 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3754 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"
3755
3756 # add some useful compiler flags if supported
3757 check_cflags -Wdeclaration-after-statement
3758 check_cflags -Wall
3759 check_cflags -Wno-parentheses
3760 check_cflags -Wno-switch
3761 check_cflags -Wno-format-zero-length
3762 check_cflags -Wdisabled-optimization
3763 check_cflags -Wpointer-arith
3764 check_cflags -Wredundant-decls
3765 check_cflags -Wno-pointer-sign
3766 check_cflags -Wwrite-strings
3767 check_cflags -Wtype-limits
3768 check_cflags -Wundef
3769 check_cflags -Wmissing-prototypes
3770 check_cflags -Wno-pointer-to-int-cast
3771 check_cflags -Wstrict-prototypes
3772 enabled extra_warnings && check_cflags -Winline
3773
3774 # add some linker flags
3775 check_ldflags -Wl,--warn-common
3776 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3777 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3778
3779 enabled xmm_clobber_test &&
3780     check_ldflags -Wl,--wrap,avcodec_open2              \
3781                   -Wl,--wrap,avcodec_decode_audio4      \
3782                   -Wl,--wrap,avcodec_decode_video2      \
3783                   -Wl,--wrap,avcodec_decode_subtitle2   \
3784                   -Wl,--wrap,avcodec_encode_audio2      \
3785                   -Wl,--wrap,avcodec_encode_video       \
3786                   -Wl,--wrap,avcodec_encode_subtitle    \
3787                   -Wl,--wrap,sws_scale ||
3788     disable xmm_clobber_test
3789
3790 echo "X{};" > $TMPV
3791 if test_ldflags -Wl,--version-script,$TMPV; then
3792     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3793     check_cc <<EOF && enable symver_asm_label
3794 void ff_foo(void) __asm__ ("av_foo@VERSION");
3795 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3796 EOF
3797     check_cc <<EOF && enable symver_gnu_asm
3798 __asm__(".symver ff_foo,av_foo@VERSION");
3799 void ff_foo(void) {}
3800 EOF
3801 fi
3802
3803 if [ -n "$optflags" ]; then
3804     add_cflags $optflags
3805 elif enabled small; then
3806     add_cflags $cflags_size
3807 elif enabled optimizations; then
3808     add_cflags $cflags_speed
3809 else
3810     add_cflags $cflags_noopt
3811 fi
3812 check_cflags -fno-math-errno
3813 check_cflags -fno-signed-zeros
3814 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3815 int x;
3816 EOF
3817
3818
3819 if enabled icc; then
3820     # Just warnings, no remarks
3821     check_cflags -w1
3822     # -wd: Disable following warnings
3823     # 144, 167, 556: -Wno-pointer-sign
3824     # 1292: attribute "foo" ignored
3825     # 1419: external declaration in primary source file
3826     # 10006: ignoring unknown option -fno-signed-zeros
3827     # 10148: ignoring unknown option -Wno-parentheses
3828     # 10156: ignoring option '-W'; no argument required
3829     check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3830     # 11030: Warning unknown option --as-needed
3831     # 10156: ignoring option '-export'; no argument required
3832     check_ldflags -wd10156,11030
3833     # Allow to compile with optimizations
3834     check_ldflags -march=$cpu
3835     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3836     enable ebp_available
3837     if enabled x86_32; then
3838         icc_version=$($cc -dumpversion)
3839         test ${icc_version%%.*} -ge 11 &&
3840             check_cflags -falign-stack=maintain-16-byte ||
3841             disable aligned_stack
3842     fi
3843 elif enabled ccc; then
3844     # disable some annoying warnings
3845     add_cflags -msg_disable cvtu32to64
3846     add_cflags -msg_disable embedcomment
3847     add_cflags -msg_disable needconstext
3848     add_cflags -msg_disable nomainieee
3849     add_cflags -msg_disable ptrmismatch1
3850     add_cflags -msg_disable unreachcode
3851 elif enabled gcc; then
3852     check_cflags -fno-tree-vectorize
3853     check_cflags -Werror=implicit-function-declaration
3854     check_cflags -Werror=missing-prototypes
3855 elif enabled llvm_gcc; then
3856     check_cflags -mllvm -stack-alignment=16
3857 elif enabled clang; then
3858     check_cflags -mllvm -stack-alignment=16
3859     check_cflags -Qunused-arguments
3860 elif enabled armcc; then
3861     # 2523: use of inline assembler is deprecated
3862     add_cflags -W${armcc_opt},--diag_suppress=2523
3863     add_cflags -W${armcc_opt},--diag_suppress=1207
3864     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3865     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3866     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3867     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3868 elif enabled tms470; then
3869     add_cflags -pds=824 -pds=837
3870 elif enabled pathscale; then
3871     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3872 fi
3873
3874 enabled_any $THREADS_LIST      && enable threads
3875
3876 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3877
3878 check_deps $CONFIG_LIST       \
3879            $CONFIG_EXTRA      \
3880            $HAVE_LIST         \
3881            $ALL_COMPONENTS    \
3882            $ALL_TESTS         \
3883
3884
3885 if test $target_os = "haiku"; then
3886     disable memalign
3887     disable posix_memalign
3888 fi
3889
3890 ! enabled_any memalign posix_memalign aligned_malloc &&
3891     enabled_any $need_memalign && enable memalign_hack
3892
3893 # add_dep lib dep
3894 # -> enable ${lib}_deps_${dep}
3895 # -> add $dep to ${lib}_deps only once
3896 add_dep() {
3897     lib=$1
3898     dep=$2
3899     enabled "${lib}_deps_${dep}" && return 0
3900     enable  "${lib}_deps_${dep}"
3901     prepend "${lib}_deps" $dep
3902 }
3903
3904 # merge deps lib components
3905 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
3906 merge_deps() {
3907     lib=$1
3908     shift
3909     for comp in $*; do
3910         enabled $comp || continue
3911         eval "dep=\"\$${comp}_deps\""
3912         for d in $dep; do
3913             add_dep $lib $d
3914         done
3915     done
3916 }
3917
3918 merge_deps libavfilter $FILTER_LIST
3919
3920 echo "install prefix            $prefix"
3921 echo "source path               $source_path"
3922 echo "C compiler                $cc"
3923 echo "ARCH                      $arch ($cpu)"
3924 if test "$build_suffix" != ""; then
3925     echo "build suffix              $build_suffix"
3926 fi
3927 if test "$progs_suffix" != ""; then
3928     echo "progs suffix              $progs_suffix"
3929 fi
3930 if test "$extra_version" != ""; then
3931     echo "version string suffix     $extra_version"
3932 fi
3933 echo "big-endian                ${bigendian-no}"
3934 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3935 if enabled x86; then
3936     echo "${yasmexe}                      ${yasm-no}"
3937     echo "MMX enabled               ${mmx-no}"
3938     echo "MMXEXT enabled            ${mmxext-no}"
3939     echo "3DNow! enabled            ${amd3dnow-no}"
3940     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3941     echo "SSE enabled               ${sse-no}"
3942     echo "SSSE3 enabled             ${ssse3-no}"
3943     echo "AVX enabled               ${avx-no}"
3944     echo "FMA4 enabled              ${fma4-no}"
3945     echo "CMOV enabled              ${cmov-no}"
3946     echo "CMOV is fast              ${fast_cmov-no}"
3947     echo "EBX available             ${ebx_available-no}"
3948     echo "EBP available             ${ebp_available-no}"
3949 fi
3950 if enabled arm; then
3951     echo "ARMv5TE enabled           ${armv5te-no}"
3952     echo "ARMv6 enabled             ${armv6-no}"
3953     echo "ARMv6T2 enabled           ${armv6t2-no}"
3954     echo "ARM VFP enabled           ${armvfp-no}"
3955     echo "NEON enabled              ${neon-no}"
3956 fi
3957 if enabled mips; then
3958     echo "MMI enabled               ${mmi-no}"
3959     echo "MIPS FPU enabled          ${mipsfpu-no}"
3960     echo "MIPS32R2 enabled          ${mips32r2-no}"
3961     echo "MIPS DSP R1 enabled       ${mipsdspr1-no}"
3962     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"
3963 fi
3964 if enabled ppc; then
3965     echo "AltiVec enabled           ${altivec-no}"
3966     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3967     echo "dcbzl available           ${dcbzl-no}"
3968 fi
3969 if enabled sparc; then
3970     echo "VIS enabled               ${vis-no}"
3971 fi
3972 echo "debug symbols             ${debug-no}"
3973 echo "strip symbols             ${stripping-no}"
3974 echo "optimize for size         ${small-no}"
3975 echo "optimizations             ${optimizations-no}"
3976 echo "static                    ${static-no}"
3977 echo "shared                    ${shared-no}"
3978 echo "postprocessing support    ${postproc-no}"
3979 echo "new filter support        ${avfilter-no}"
3980 echo "network support           ${network-no}"
3981 echo "threading support         ${thread_type-no}"
3982 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
3983 echo "SDL support               ${sdl-no}"
3984 echo "libdxva2 enabled          ${dxva2-no}"
3985 echo "libva enabled             ${vaapi-no}"
3986 echo "libvdpau enabled          ${vdpau-no}"
3987 echo "AVISynth enabled          ${avisynth-no}"
3988 echo "frei0r enabled            ${frei0r-no}"
3989 echo "gnutls enabled            ${gnutls-no}"
3990 echo "libaacplus enabled        ${libaacplus-no}"
3991 echo "libass enabled            ${libass-no}"
3992 echo "libcaca enabled           ${libcaca-no}"
3993 echo "libcdio support           ${libcdio-no}"
3994 echo "libcelt enabled           ${libcelt-no}"
3995 echo "libdc1394 support         ${libdc1394-no}"
3996 echo "libfaac enabled           ${libfaac-no}"
3997 echo "libfdk-aac enabled        ${libfdk_aac-no}"
3998 echo "libgsm enabled            ${libgsm-no}"
3999 echo "libiec61883 support       ${libiec61883-no}"
4000 echo "libilbc enabled           ${libilbc-no}"
4001 echo "libmodplug enabled        ${libmodplug-no}"
4002 echo "libmp3lame enabled        ${libmp3lame-no}"
4003 echo "libnut enabled            ${libnut-no}"
4004 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
4005 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
4006 echo "libopencv support         ${libopencv-no}"
4007 echo "libopenjpeg enabled       ${libopenjpeg-no}"
4008 echo "libopus enabled           ${libopus-no}"
4009 echo "libpulse enabled          ${libpulse-no}"
4010 echo "librtmp enabled           ${librtmp-no}"
4011 echo "libschroedinger enabled   ${libschroedinger-no}"
4012 echo "libspeex enabled          ${libspeex-no}"
4013 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
4014 echo "libtheora enabled         ${libtheora-no}"
4015 echo "libtwolame enabled        ${libtwolame-no}"
4016 echo "libutvideo enabled        ${libutvideo-no}"
4017 echo "libv4l2 enabled           ${libv4l2-no}"
4018 echo "libvo-aacenc support      ${libvo_aacenc-no}"
4019 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
4020 echo "libvorbis enabled         ${libvorbis-no}"
4021 echo "libvpx enabled            ${libvpx-no}"
4022 echo "libx264 enabled           ${libx264-no}"
4023 echo "libxavs enabled           ${libxavs-no}"
4024 echo "libxvid enabled           ${libxvid-no}"
4025 echo "openal enabled            ${openal-no}"
4026 echo "openssl enabled           ${openssl-no}"
4027 echo "zlib enabled              ${zlib-no}"
4028 echo "bzlib enabled             ${bzlib-no}"
4029 echo "texi2html enabled         ${texi2html-no}"
4030 echo "perl enabled              ${perl-no}"
4031 echo "pod2man enabled           ${pod2man-no}"
4032 echo "makeinfo enabled          ${makeinfo-no}"
4033 test -n "$random_seed" &&
4034     echo "random seed               ${random_seed}"
4035 echo
4036
4037 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
4038     echo "Enabled ${type}s:"
4039     eval list=\$$(toupper $type)_LIST
4040     print_enabled '_*' $list | sort | pr -r -3 -t
4041     echo
4042 done
4043
4044 license="LGPL version 2.1 or later"
4045 if enabled nonfree; then
4046     license="nonfree and unredistributable"
4047 elif enabled gplv3; then
4048     license="GPL version 3 or later"
4049 elif enabled lgplv3; then
4050     license="LGPL version 3 or later"
4051 elif enabled gpl; then
4052     license="GPL version 2 or later"
4053 fi
4054
4055 echo "License: $license"
4056
4057 echo "Creating config.mak and config.h..."
4058
4059 test -e Makefile || $ln_s "$source_path/Makefile" .
4060
4061 enabled stripping || strip="echo skipping strip"
4062
4063 config_files="$TMPH config.mak"
4064
4065 cat > config.mak <<EOF
4066 # Automatically generated by configure - do not modify!
4067 ifndef FFMPEG_CONFIG_MAK
4068 FFMPEG_CONFIG_MAK=1
4069 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
4070 prefix=$prefix
4071 LIBDIR=\$(DESTDIR)$libdir
4072 SHLIBDIR=\$(DESTDIR)$shlibdir
4073 INCDIR=\$(DESTDIR)$incdir
4074 BINDIR=\$(DESTDIR)$bindir
4075 DATADIR=\$(DESTDIR)$datadir
4076 MANDIR=\$(DESTDIR)$mandir
4077 SRC_PATH=$source_path
4078 ifndef MAIN_MAKEFILE
4079 SRC_PATH:=\$(SRC_PATH:.%=..%)
4080 endif
4081 CC_IDENT=$cc_ident
4082 ARCH=$arch
4083 CC=$cc
4084 CXX=$cxx
4085 AS=$as
4086 LD=$ld
4087 DEPCC=$dep_cc
4088 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
4089 DEPAS=$as
4090 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
4091 YASM=$yasmexe
4092 DEPYASM=$yasmexe
4093 AR=$ar
4094 RANLIB=$ranlib
4095 CP=cp -p
4096 LN_S=$ln_s
4097 STRIP=$strip
4098 CPPFLAGS=$CPPFLAGS
4099 CFLAGS=$CFLAGS
4100 CXXFLAGS=$CXXFLAGS
4101 ASFLAGS=$ASFLAGS
4102 AS_C=$AS_C
4103 AS_O=$AS_O
4104 CC_C=$CC_C
4105 CC_O=$CC_O
4106 CXX_C=$CXX_C
4107 CXX_O=$CXX_O
4108 LD_O=$LD_O
4109 LD_LIB=$LD_LIB
4110 LD_PATH=$LD_PATH
4111 DLLTOOL=$dlltool
4112 LDFLAGS=$LDFLAGS
4113 LDFLAGS-ffserver=$FFSERVERLDFLAGS
4114 SHFLAGS=$SHFLAGS
4115 YASMFLAGS=$YASMFLAGS
4116 BUILDSUF=$build_suffix
4117 PROGSSUF=$progs_suffix
4118 FULLNAME=$FULLNAME
4119 LIBPREF=$LIBPREF
4120 LIBSUF=$LIBSUF
4121 LIBNAME=$LIBNAME
4122 SLIBPREF=$SLIBPREF
4123 SLIBSUF=$SLIBSUF
4124 EXESUF=$EXESUF
4125 EXTRA_VERSION=$extra_version
4126 CCDEP=$CCDEP
4127 CXXDEP=$CXXDEP
4128 CCDEP_FLAGS=$CCDEP_FLAGS
4129 ASDEP=$ASDEP
4130 ASDEP_FLAGS=$ASDEP_FLAGS
4131 CC_DEPFLAGS=$CC_DEPFLAGS
4132 AS_DEPFLAGS=$AS_DEPFLAGS
4133 HOSTCC=$host_cc
4134 HOSTLD=$host_ld
4135 HOSTCFLAGS=$host_cflags
4136 HOSTEXESUF=$HOSTEXESUF
4137 HOSTLDFLAGS=$host_ldflags
4138 HOSTLIBS=$host_libs
4139 DEPHOSTCC=$host_cc
4140 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
4141 HOSTCCDEP=$HOSTCCDEP
4142 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
4143 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
4144 HOSTCC_C=$HOSTCC_C
4145 HOSTCC_O=$HOSTCC_O
4146 HOSTLD_O=$HOSTLD_O
4147 TARGET_EXEC=$target_exec
4148 TARGET_PATH=$target_path
4149 LIBS-ffplay=$sdl_libs
4150 CFLAGS-ffplay=$sdl_cflags
4151 ZLIB=$($ldflags_filter -lz)
4152 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
4153 EXTRALIBS=$extralibs
4154 INSTALL=$install
4155 LIBTARGET=${LIBTARGET}
4156 SLIBNAME=${SLIBNAME}
4157 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
4158 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
4159 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
4160 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
4161 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
4162 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
4163 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
4164 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
4165 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
4166 NOREDZONE_FLAGS=$noredzone_flags
4167 EOF
4168
4169 get_version(){
4170     lcname=$1
4171     name=$(toupper $lcname)
4172     file=$source_path/$lcname/version.h
4173     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
4174     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4175     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4176     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4177 }
4178
4179 get_version_old(){
4180     name=$1
4181     file=$source_path/$2
4182 # This condition will be removed when we stop supporting old libpostproc versions
4183 if ! test "$name" = LIBPOSTPROC || test "$postproc_version" = current; then
4184     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
4185     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4186 fi
4187     lcname=$(tolower $name)
4188     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4189     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4190 }
4191
4192 get_version_old LIBPOSTPROC libpostproc/postprocess.h
4193 get_version_old LIBSWRESAMPLE libswresample/swresample.h
4194
4195 get_version libavcodec
4196 get_version libavdevice
4197 get_version libavfilter
4198 get_version libavformat
4199 get_version libavresample
4200 get_version libavutil
4201 get_version libswscale
4202
4203 cat > $TMPH <<EOF
4204 /* Automatically generated by configure - do not modify! */
4205 #ifndef FFMPEG_CONFIG_H
4206 #define FFMPEG_CONFIG_H
4207 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
4208 #define FFMPEG_LICENSE "$(c_escape $license)"
4209 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
4210 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
4211 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
4212 #define av_restrict $_restrict
4213 #define EXTERN_PREFIX "${extern_prefix}"
4214 #define EXTERN_ASM ${extern_prefix}
4215 #define SLIBSUF "$SLIBSUF"
4216 #define HAVE_MMX2 HAVE_MMXEXT
4217 EOF
4218
4219 test -n "$assert_level" &&
4220     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
4221
4222 test -n "$malloc_prefix" &&
4223     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
4224
4225 if enabled yasm; then
4226     append config_files $TMPASM
4227     printf '' >$TMPASM
4228 fi
4229
4230 print_config ARCH_   "$config_files" $ARCH_LIST
4231 print_config HAVE_   "$config_files" $HAVE_LIST
4232 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
4233                                      $CONFIG_EXTRA      \
4234                                      $ALL_COMPONENTS    \
4235
4236 cat >>config.mak <<EOF
4237 LAVF_FATE_TESTS=$(print_enabled -n _test $LAVF_FATE_TESTS)
4238 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
4239 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
4240 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
4241 EOF
4242
4243 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
4244 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
4245
4246 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
4247 cp_if_changed $TMPH config.h
4248 touch .config
4249
4250 enabled yasm && cp_if_changed $TMPASM config.asm
4251
4252 cat > $TMPH <<EOF
4253 /* Generated by ffconf */
4254 #ifndef AVUTIL_AVCONFIG_H
4255 #define AVUTIL_AVCONFIG_H
4256 EOF
4257
4258 test "$postproc_version" != current && cat >> $TMPH <<EOF
4259 #define LIBPOSTPROC_VERSION_MAJOR $LIBPOSTPROC_VERSION_MAJOR
4260 #define LIBPOSTPROC_VERSION_MINOR $LIBPOSTPROC_VERSION_MINOR
4261 #define LIBPOSTPROC_VERSION_MICRO $LIBPOSTPROC_VERSION_MICRO
4262 EOF
4263
4264 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
4265
4266 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
4267
4268 cp_if_changed $TMPH libavutil/avconfig.h
4269
4270 test -n "$WARNINGS" && printf "\n$WARNINGS"
4271
4272 # build pkg-config files
4273
4274 pkgconfig_generate(){
4275 name=$1
4276 shortname=${name#lib}${build_suffix}
4277 comment=$2
4278 version=$3
4279 libs=$4
4280 requires=$5
4281 enabled ${name#lib} || return 0
4282 mkdir -p $name
4283 cat <<EOF > $name/$name.pc
4284 prefix=$prefix
4285 exec_prefix=\${prefix}
4286 libdir=$libdir
4287 includedir=$incdir
4288
4289 Name: $name
4290 Description: $comment
4291 Version: $version
4292 Requires: $(enabled shared || echo $requires)
4293 Requires.private: $(enabled shared && echo $requires)
4294 Conflicts:
4295 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4296 Libs.private: $(enabled shared && echo $libs)
4297 Cflags: -I\${includedir}
4298 EOF
4299
4300 mkdir -p doc/examples/pc-uninstalled
4301 includedir=${source_path}
4302 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
4303 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
4304 prefix=
4305 exec_prefix=
4306 libdir=\${pcfiledir}/../../../$name
4307 includedir=${includedir}
4308
4309 Name: $name
4310 Description: $comment
4311 Version: $version
4312 Requires: $requires
4313 Conflicts:
4314 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4315 Cflags: -I\${includedir}
4316 EOF
4317 }
4318
4319 libavfilter_pc_deps=""
4320 enabled libavfilter_deps_avcodec    && prepend libavfilter_pc_deps "libavcodec = $LIBAVCODEC_VERSION,"
4321 enabled libavfilter_deps_avformat   && prepend libavfilter_pc_deps "libavformat = $LIBAVFORMAT_VERSION,"
4322 enabled libavfilter_deps_swscale    && prepend libavfilter_pc_deps "libswscale = $LIBSWSCALE_VERSION,"
4323 enabled libavfilter_deps_swresample && prepend libavfilter_pc_deps "libswresample = $LIBSWRESAMPLE_VERSION,"
4324 enabled libavfilter_deps_postproc   && prepend libavfilter_pc_deps "libpostproc = $LIBPOSTPROC_VERSION,"
4325 libavfilter_pc_deps=${libavfilter_pc_deps%, }
4326
4327 libavdevice_pc_deps="libavformat = $LIBAVFORMAT_VERSION"
4328 enabled lavfi_indev && prepend libavdevice_pc_deps "libavfilter = $LIBAVFILTER_VERSION,"
4329
4330 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
4331 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
4332 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
4333 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$libavdevice_pc_deps"
4334 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$libavfilter_pc_deps"
4335 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
4336 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
4337 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
4338 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"