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