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