Merge commit '406e6c0ba5393fa302080202fe77bd09187889a1'
[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 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
58
59 show_help(){
60     cat <<EOF
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
63
64 Help options:
65   --help                   print this message
66   --list-decoders          show all available decoders
67   --list-encoders          show all available encoders
68   --list-hwaccels          show all available hardware accelerators
69   --list-demuxers          show all available demuxers
70   --list-muxers            show all available muxers
71   --list-parsers           show all available parsers
72   --list-protocols         show all available protocols
73   --list-bsfs              show all available bitstream filters
74   --list-indevs            show all available input devices
75   --list-outdevs           show all available output devices
76   --list-filters           show all available filters
77
78 Standard options:
79   --logfile=FILE           log tests and output to FILE [config.log]
80   --disable-logging        do not log configure debug information
81   --fatal-warnings         fail if any configure warning is generated
82   --prefix=PREFIX          install in PREFIX [$prefix]
83   --bindir=DIR             install binaries in DIR [PREFIX/bin]
84   --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
85   --libdir=DIR             install libs in DIR [PREFIX/lib]
86   --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
87   --incdir=DIR             install includes in DIR [PREFIX/include]
88   --mandir=DIR             install man page in DIR [PREFIX/share/man]
89
90 Licensing options:
91   --enable-gpl             allow use of GPL code, the resulting libs
92                            and binaries will be under GPL [no]
93   --enable-version3        upgrade (L)GPL to version 3 [no]
94   --enable-nonfree         allow use of nonfree code, the resulting libs
95                            and binaries will be unredistributable [no]
96
97 Configuration options:
98   --disable-static         do not build static libraries [no]
99   --enable-shared          build shared libraries [no]
100   --enable-small           optimize for size instead of speed
101   --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
102   --enable-gray            enable full grayscale support (slower color)
103   --disable-swscale-alpha  disable alpha channel support in swscale
104   --disable-all            disable building components, libraries and programs
105   --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]
106   --enable-incompatible-fork-abi  enable incompatible Libav fork ABI (deprecated) [no]
107
108 Program options:
109   --disable-programs       do not build command line programs
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
115 Documentation options:
116   --disable-doc            do not build documentation
117   --disable-htmlpages      do not build HTML documentation pages
118   --disable-manpages       do not build man documentation pages
119   --disable-podpages       do not build POD documentation pages
120   --disable-txtpages       do not build text documentation pages
121
122 Component options:
123   --disable-avdevice       disable libavdevice build
124   --disable-avcodec        disable libavcodec build
125   --disable-avformat       disable libavformat build
126   --disable-avutil         disable libavutil build
127   --disable-swresample     disable libswresample build
128   --disable-swscale        disable libswscale build
129   --disable-postproc       disable libpostproc build
130   --disable-avfilter       disable libavfilter build
131   --enable-avresample      enable libavresample build [no]
132   --disable-pthreads       disable pthreads [auto]
133   --disable-w32threads     disable Win32 threads [auto]
134   --disable-os2threads     disable OS/2 threads [auto]
135   --disable-network        disable network support [no]
136   --disable-dct            disable DCT code
137   --disable-dwt            disable DWT code
138   --disable-error-resilience disable error resilience code
139   --disable-lsp            disable LSP code
140   --disable-lzo            disable LZO decoder code
141   --disable-mdct           disable MDCT code
142   --disable-rdft           disable RDFT code
143   --disable-fft            disable FFT code
144
145 Hardware accelerators:
146   --disable-dxva2          disable DXVA2 code [autodetect]
147   --disable-vaapi          disable VAAPI code [autodetect]
148   --enable-vda             enable VDA code
149   --disable-vdpau          disable VDPAU code [autodetect]
150
151 Individual component options:
152   --disable-everything     disable all components listed below
153   --disable-encoder=NAME   disable encoder NAME
154   --enable-encoder=NAME    enable encoder NAME
155   --disable-encoders       disable all encoders
156   --disable-decoder=NAME   disable decoder NAME
157   --enable-decoder=NAME    enable decoder NAME
158   --disable-decoders       disable all decoders
159   --disable-hwaccel=NAME   disable hwaccel NAME
160   --enable-hwaccel=NAME    enable hwaccel NAME
161   --disable-hwaccels       disable all hwaccels
162   --disable-muxer=NAME     disable muxer NAME
163   --enable-muxer=NAME      enable muxer NAME
164   --disable-muxers         disable all muxers
165   --disable-demuxer=NAME   disable demuxer NAME
166   --enable-demuxer=NAME    enable demuxer NAME
167   --disable-demuxers       disable all demuxers
168   --enable-parser=NAME     enable parser NAME
169   --disable-parser=NAME    disable parser NAME
170   --disable-parsers        disable all parsers
171   --enable-bsf=NAME        enable bitstream filter NAME
172   --disable-bsf=NAME       disable bitstream filter NAME
173   --disable-bsfs           disable all bitstream filters
174   --enable-protocol=NAME   enable protocol NAME
175   --disable-protocol=NAME  disable protocol NAME
176   --disable-protocols      disable all protocols
177   --enable-indev=NAME      enable input device NAME
178   --disable-indev=NAME     disable input device NAME
179   --disable-indevs         disable input devices
180   --enable-outdev=NAME     enable output device NAME
181   --disable-outdev=NAME    disable output device NAME
182   --disable-outdevs        disable output devices
183   --disable-devices        disable all devices
184   --enable-filter=NAME     enable filter NAME
185   --disable-filter=NAME    disable filter NAME
186   --disable-filters        disable all filters
187
188 External library support:
189   --enable-avisynth        enable reading of AviSynth script files [no]
190   --disable-bzlib          disable bzlib [autodetect]
191   --enable-fontconfig      enable fontconfig
192   --enable-frei0r          enable frei0r video filtering
193   --enable-gnutls          enable gnutls [no]
194   --disable-iconv          disable iconv [autodetect]
195   --enable-libaacplus      enable AAC+ encoding via libaacplus [no]
196   --enable-libass          enable libass subtitles rendering [no]
197   --enable-libbluray       enable BluRay reading using libbluray [no]
198   --enable-libcaca         enable textual display using libcaca
199   --enable-libcelt         enable CELT decoding via libcelt [no]
200   --enable-libcdio         enable audio CD grabbing with libcdio
201   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
202                            and libraw1394 [no]
203   --enable-libfaac         enable AAC encoding via libfaac [no]
204   --enable-libfdk-aac      enable AAC encoding via libfdk-aac [no]
205   --enable-libflite        enable flite (voice synthesis) support via libflite [no]
206   --enable-libfreetype     enable libfreetype [no]
207   --enable-libgme          enable Game Music Emu via libgme [no]
208   --enable-libgsm          enable GSM de/encoding via libgsm [no]
209   --enable-libiec61883     enable iec61883 via libiec61883 [no]
210   --enable-libilbc         enable iLBC de/encoding via libilbc [no]
211   --enable-libmodplug      enable ModPlug via libmodplug [no]
212   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
213   --enable-libnut          enable NUT (de)muxing via libnut,
214                            native (de)muxer exists [no]
215   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
216   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
217   --enable-libopencv       enable video filtering via libopencv [no]
218   --enable-libopenjpeg     enable JPEG 2000 de/encoding via OpenJPEG [no]
219   --enable-libopus         enable Opus decoding via libopus [no]
220   --enable-libpulse        enable Pulseaudio input via libpulse [no]
221   --enable-libquvi         enable quvi input via libquvi [no]
222   --enable-librtmp         enable RTMP[E] support via librtmp [no]
223   --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
224   --enable-libshine        enable fixed-point MP3 encoding via libshine [no]
225   --enable-libsoxr         enable Include libsoxr resampling [no]
226   --enable-libspeex        enable Speex de/encoding via libspeex [no]
227   --enable-libstagefright-h264  enable H.264 decoding via libstagefright [no]
228   --enable-libtheora       enable Theora encoding via libtheora [no]
229   --enable-libtwolame      enable MP2 encoding via libtwolame [no]
230   --enable-libutvideo      enable Ut Video encoding and decoding via libutvideo [no]
231   --enable-libv4l2         enable libv4l2/v4l-utils [no]
232   --enable-libvidstab      enable video stabilization using vid.stab [no]
233   --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
234   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
235   --enable-libvorbis       enable Vorbis en/decoding via libvorbis,
236                            native implementation exists [no]
237   --enable-libvpx          enable VP8 and VP9 de/encoding via libvpx [no]
238   --enable-libwavpack      enable wavpack encoding via libwavpack [no]
239   --enable-libx264         enable H.264 encoding via x264 [no]
240   --enable-libxavs         enable AVS encoding via xavs [no]
241   --enable-libxvid         enable Xvid encoding via xvidcore,
242                            native MPEG-4/Xvid encoder exists [no]
243   --enable-libzmq          enable message passing via libzmq [no]
244   --enable-openal          enable OpenAL 1.1 capture support [no]
245   --enable-opencl          enable OpenCL code
246   --enable-openssl         enable openssl [no]
247   --enable-x11grab         enable X11 grabbing [no]
248   --disable-zlib           disable zlib [autodetect]
249
250 Advanced options (experts only):
251   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
252   --enable-cross-compile   assume a cross-compiler is used
253   --sysroot=PATH           root of cross-build tree
254   --sysinclude=PATH        location of cross-build system headers
255   --target-os=OS           compiler targets OS [$target_os]
256   --target-exec=CMD        command to run executables on target
257   --target-path=DIR        path to view of build directory on target
258   --target-samples=DIR     path to samples directory on target
259   --toolchain=NAME         set tool defaults according to NAME
260   --nm=NM                  use nm tool NM [$nm_default]
261   --ar=AR                  use archive tool AR [$ar_default]
262   --as=AS                  use assembler AS [$as_default]
263   --yasmexe=EXE            use yasm-compatible assembler EXE [$yasmexe_default]
264   --cc=CC                  use C compiler CC [$cc_default]
265   --cxx=CXX                use C compiler CXX [$cxx_default]
266   --dep-cc=DEPCC           use dependency generator DEPCC [$cc_default]
267   --ld=LD                  use linker LD [$ld_default]
268   --host-cc=HOSTCC         use host C compiler HOSTCC
269   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
270   --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
271   --host-ld=HOSTLD         use host linker HOSTLD
272   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
273   --host-libs=HLIBS        use libs HLIBS when linking for host
274   --host-os=OS             compiler host OS [$target_os]
275   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
276   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
277   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
278   --extra-libs=ELIBS       add ELIBS [$ELIBS]
279   --extra-version=STRING   version string suffix []
280   --optflags=OPTFLAGS      override optimization-related compiler flags
281   --build-suffix=SUFFIX    library name suffix []
282   --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX
283   --progs-suffix=SUFFIX    program name suffix []
284   --arch=ARCH              select architecture [$arch]
285   --cpu=CPU                select the minimum required CPU (affects
286                            instruction selection, may crash on older CPUs)
287   --enable-pic             build position-independent code
288   --enable-sram            allow use of on-chip SRAM
289   --enable-thumb           compile for Thumb instruction set
290   --disable-symver         disable symbol versioning
291   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
292   --disable-safe-bitstream-reader
293                            disable buffer boundary checking in bitreaders
294                            (faster, but may crash)
295   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
296   --enable-lto             use link-time optimization
297
298 Optimization options (experts only):
299   --disable-asm            disable all assembler optimizations
300   --disable-altivec        disable AltiVec optimizations
301   --disable-amd3dnow       disable 3DNow! optimizations
302   --disable-amd3dnowext    disable 3DNow! extended optimizations
303   --disable-mmx            disable MMX optimizations
304   --disable-mmxext         disable MMXEXT optimizations
305   --disable-sse            disable SSE optimizations
306   --disable-sse2           disable SSE2 optimizations
307   --disable-sse3           disable SSE3 optimizations
308   --disable-ssse3          disable SSSE3 optimizations
309   --disable-sse4           disable SSE4 optimizations
310   --disable-sse42          disable SSE4.2 optimizations
311   --disable-avx            disable AVX optimizations
312   --disable-fma4           disable FMA4 optimizations
313   --disable-armv5te        disable armv5te optimizations
314   --disable-armv6          disable armv6 optimizations
315   --disable-armv6t2        disable armv6t2 optimizations
316   --disable-vfp            disable VFP optimizations
317   --disable-neon           disable NEON optimizations
318   --disable-vis            disable VIS optimizations
319   --disable-inline-asm     disable use of inline assembler
320   --disable-yasm           disable use of yasm assembler
321   --disable-mips32r2       disable MIPS32R2 optimizations
322   --disable-mipsdspr1      disable MIPS DSP ASE R1 optimizations
323   --disable-mipsdspr2      disable MIPS DSP ASE R2 optimizations
324   --disable-mipsfpu        disable floating point MIPS optimizations
325   --disable-fast-unaligned consider unaligned accesses slow
326
327 Developer options (useful when working on FFmpeg itself):
328   --disable-debug          disable debugging symbols
329   --enable-debug=LEVEL     set the debug level [$debuglevel]
330   --disable-optimizations  disable compiler optimizations
331   --enable-extra-warnings  enable more compiler warnings
332   --disable-stripping      disable stripping of executables and shared libraries
333   --assert-level=level     0(default), 1 or 2, amount of assertion testing,
334                            2 causes a slowdown at runtime.
335   --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
336   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory
337                            leaks and errors, using the specified valgrind binary.
338                            Cannot be combined with --target-exec
339   --enable-ftrapv          Trap arithmetic overflows
340   --samples=PATH           location of test samples for FATE, if not set use
341                            \$FATE_SAMPLES at make invocation time.
342   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
343                            should be used only for debugging purposes)
344   --enable-random          randomly enable/disable components
345   --disable-random
346   --enable-random=LIST     randomly enable/disable specific components or
347   --disable-random=LIST    component groups. LIST is a comma-separated list
348                            of NAME[:PROB] entries where NAME is a component
349                            (group) and PROB the probability associated with
350                            NAME (default 0.5).
351   --random-seed=VALUE      seed value for --enable/disable-random
352
353 NOTE: Object files are built at the place where configure is launched.
354 EOF
355   exit 0
356 }
357
358 quotes='""'
359
360 log(){
361     echo "$@" >> $logfile
362 }
363
364 log_file(){
365     log BEGIN $1
366     pr -n -t $1 >> $logfile
367     log END $1
368 }
369
370 echolog(){
371     log "$@"
372     echo "$@"
373 }
374
375 warn(){
376     log "WARNING: $*"
377     WARNINGS="${WARNINGS}WARNING: $*\n"
378 }
379
380 die(){
381     echolog "$@"
382     cat <<EOF
383
384 If you think configure made a mistake, make sure you are using the latest
385 version from Git.  If the latest version fails, report the problem to the
386 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
387 EOF
388     if disabled logging; then
389         cat <<EOF
390 Rerun configure with logging enabled (do not use --disable-logging), and
391 include the log this produces with your report.
392 EOF
393     else
394         cat <<EOF
395 Include the log file "$logfile" produced by configure as this will help
396 solving the problem.
397 EOF
398     fi
399     exit 1
400 }
401
402 # Avoid locale weirdness, besides we really just want to translate ASCII.
403 toupper(){
404     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
405 }
406
407 tolower(){
408     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
409 }
410
411 c_escape(){
412     echo "$*" | sed 's/["\\]/\\\0/g'
413 }
414
415 sh_quote(){
416     v=$(echo "$1" | sed "s/'/'\\\\''/g")
417     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
418     echo "$v"
419 }
420
421 cleanws(){
422     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
423 }
424
425 filter(){
426     pat=$1
427     shift
428     for v; do
429         eval "case $v in $pat) echo $v ;; esac"
430     done
431 }
432
433 filter_out(){
434     pat=$1
435     shift
436     for v; do
437         eval "case $v in $pat) ;; *) echo $v ;; esac"
438     done
439 }
440
441 map(){
442     m=$1
443     shift
444     for v; do eval $m; done
445 }
446
447 add_suffix(){
448     suffix=$1
449     shift
450     for v; do echo ${v}${suffix}; done
451 }
452
453 set_all(){
454     value=$1
455     shift
456     for var in $*; do
457         eval $var=$value
458     done
459 }
460
461 set_weak(){
462     value=$1
463     shift
464     for var; do
465         eval : \${$var:=$value}
466     done
467 }
468
469 sanitize_var_name(){
470     echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
471 }
472
473 set_safe(){
474     var=$1
475     shift
476     eval $(sanitize_var_name "$var")='$*'
477 }
478
479 get_safe(){
480     eval echo \$$(sanitize_var_name "$1")
481 }
482
483 pushvar(){
484     for pvar in $*; do
485         eval level=\${${pvar}_level:=0}
486         eval ${pvar}_${level}="\$$pvar"
487         eval ${pvar}_level=$(($level+1))
488     done
489 }
490
491 popvar(){
492     for pvar in $*; do
493         eval level=\${${pvar}_level:-0}
494         test $level = 0 && continue
495         eval level=$(($level-1))
496         eval $pvar="\${${pvar}_${level}}"
497         eval ${pvar}_level=$level
498         eval unset ${pvar}_${level}
499     done
500 }
501
502 enable(){
503     set_all yes $*
504 }
505
506 disable(){
507     set_all no $*
508 }
509
510 enable_weak(){
511     set_weak yes $*
512 }
513
514 disable_weak(){
515     set_weak no $*
516 }
517
518 enable_safe(){
519     for var; do
520         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
521     done
522 }
523
524 disable_safe(){
525     for var; do
526         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
527     done
528 }
529
530 do_enable_deep(){
531     for var; do
532         enabled $var && continue
533         eval sel="\$${var}_select"
534         eval sgs="\$${var}_suggest"
535         pushvar var sgs
536         enable_deep $sel
537         popvar sgs
538         enable_deep_weak $sgs
539         popvar var
540     done
541 }
542
543 enable_deep(){
544     do_enable_deep $*
545     enable $*
546 }
547
548 enable_deep_weak(){
549     for var; do
550         disabled $var && continue
551         pushvar var
552         do_enable_deep $var
553         popvar var
554         enable_weak $var
555     done
556 }
557
558 enabled(){
559     test "${1#!}" = "$1" && op== || op=!=
560     eval test "x\$${1#!}" $op "xyes"
561 }
562
563 disabled(){
564     test "${1#!}" = "$1" && op== || op=!=
565     eval test "x\$${1#!}" $op "xno"
566 }
567
568 enabled_all(){
569     for opt; do
570         enabled $opt || return 1
571     done
572 }
573
574 disabled_all(){
575     for opt; do
576         disabled $opt || return 1
577     done
578 }
579
580 enabled_any(){
581     for opt; do
582         enabled $opt && return 0
583     done
584 }
585
586 disabled_any(){
587     for opt; do
588         disabled $opt && return 0
589     done
590     return 1
591 }
592
593 set_default(){
594     for opt; do
595         eval : \${$opt:=\$${opt}_default}
596     done
597 }
598
599 is_in(){
600     value=$1
601     shift
602     for var in $*; do
603         [ $var = $value ] && return 0
604     done
605     return 1
606 }
607
608 do_check_deps(){
609     for cfg; do
610         cfg="${cfg#!}"
611         enabled ${cfg}_checking && die "Circular dependency for $cfg."
612         disabled ${cfg}_checking && continue
613         enable ${cfg}_checking
614         append allopts $cfg
615
616         eval dep_all="\$${cfg}_deps"
617         eval dep_any="\$${cfg}_deps_any"
618         eval dep_sel="\$${cfg}_select"
619         eval dep_sgs="\$${cfg}_suggest"
620         eval dep_ifa="\$${cfg}_if"
621         eval dep_ifn="\$${cfg}_if_any"
622
623         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
624         do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
625         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
626
627         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
628         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
629         enabled_all  $dep_all || disable $cfg
630         enabled_any  $dep_any || disable $cfg
631         disabled_any $dep_sel && disable $cfg
632
633         if enabled $cfg; then
634             enable_deep $dep_sel
635             enable_deep_weak $dep_sgs
636         fi
637
638         disable ${cfg}_checking
639     done
640 }
641
642 check_deps(){
643     unset allopts
644
645     do_check_deps "$@"
646
647     for cfg in $allopts; do
648         enabled $cfg || continue
649         eval dep_extralibs="\$${cfg}_extralibs"
650         test -n "$dep_extralibs" && add_extralibs $dep_extralibs
651     done
652 }
653
654 print_config(){
655     pfx=$1
656     files=$2
657     shift 2
658     map 'eval echo "$v \${$v:-no}"' "$@" |
659     awk "BEGIN { split(\"$files\", files) }
660         {
661             c = \"$pfx\" toupper(\$1);
662             v = \$2;
663             sub(/yes/, 1, v);
664             sub(/no/,  0, v);
665             for (f in files) {
666                 file = files[f];
667                 if (file ~ /\\.h\$/) {
668                     printf(\"#define %s %d\\n\", c, v) >>file;
669                 } else if (file ~ /\\.asm\$/) {
670                     printf(\"%%define %s %d\\n\", c, v) >>file;
671                 } else if (file ~ /\\.mak\$/) {
672                     n = -v ? \"\" : \"!\";
673                     printf(\"%s%s=yes\\n\", n, c) >>file;
674                 } else if (file ~ /\\.texi\$/) {
675                     pre = -v ? \"\" : \"@c \";
676                     yesno = \$2;
677                     c2 = tolower(c);
678                     gsub(/_/, \"-\", c2);
679                     printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
680                 }
681             }
682         }"
683 }
684
685 print_enabled(){
686     suf=$1
687     shift
688     for v; do
689         enabled $v && printf "%s\n" ${v%$suf};
690     done
691 }
692
693 append(){
694     var=$1
695     shift
696     eval "$var=\"\$$var $*\""
697 }
698
699 prepend(){
700     var=$1
701     shift
702     eval "$var=\"$* \$$var\""
703 }
704
705 add_cppflags(){
706     append CPPFLAGS "$@"
707 }
708
709 add_cflags(){
710     append CFLAGS $($cflags_filter "$@")
711 }
712
713 add_cxxflags(){
714     append CXXFLAGS $($cflags_filter "$@")
715 }
716
717 add_asflags(){
718     append ASFLAGS $($asflags_filter "$@")
719 }
720
721 add_ldflags(){
722     append LDFLAGS $($ldflags_filter "$@")
723 }
724
725 add_extralibs(){
726     prepend extralibs $($ldflags_filter "$@")
727 }
728
729 add_host_cppflags(){
730     append host_cppflags "$@"
731 }
732
733 add_host_cflags(){
734     append host_cflags $($host_cflags_filter "$@")
735 }
736
737 add_host_ldflags(){
738     append host_ldflags $($host_ldflags_filter "$@")
739 }
740
741 add_compat(){
742     append compat_objs $1
743     shift
744     map 'add_cppflags -D$v' "$@"
745 }
746
747 check_cmd(){
748     log "$@"
749     "$@" >> $logfile 2>&1
750 }
751
752 cc_o(){
753     eval printf '%s\\n' $CC_O
754 }
755
756 cc_e(){
757     eval printf '%s\\n' $CC_E
758 }
759
760 check_cc(){
761     log check_cc "$@"
762     cat > $TMPC
763     log_file $TMPC
764     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
765 }
766
767 check_cxx(){
768     log check_cxx "$@"
769     cat > $TMPCPP
770     log_file $TMPCPP
771     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
772 }
773
774 check_cpp(){
775     log check_cpp "$@"
776     cat > $TMPC
777     log_file $TMPC
778     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
779 }
780
781 as_o(){
782     eval printf '%s\\n' $AS_O
783 }
784
785 check_as(){
786     log check_as "$@"
787     cat > $TMPS
788     log_file $TMPS
789     check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
790 }
791
792 check_inline_asm(){
793     log check_inline_asm "$@"
794     name="$1"
795     code="$2"
796     shift 2
797     disable $name
798     check_cc "$@" <<EOF && enable $name
799 void foo(void){ __asm__ volatile($code); }
800 EOF
801 }
802
803 check_insn(){
804     log check_insn "$@"
805     check_inline_asm ${1}_inline "\"$2\""
806     echo "$2" | check_as && enable ${1}_external || disable ${1}_external
807 }
808
809 check_yasm(){
810     log check_yasm "$@"
811     echo "$1" > $TMPS
812     log_file $TMPS
813     shift 1
814     check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
815 }
816
817 ld_o(){
818     eval printf '%s\\n' $LD_O
819 }
820
821 check_ld(){
822     log check_ld "$@"
823     type=$1
824     shift 1
825     flags=$(filter_out '-l*|*.so' $@)
826     libs=$(filter '-l*|*.so' $@)
827     check_$type $($cflags_filter $flags) || return
828     flags=$($ldflags_filter $flags)
829     libs=$($ldflags_filter $libs)
830     check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
831 }
832
833 check_code(){
834     log check_code "$@"
835     check=$1
836     headers=$2
837     code=$3
838     shift 3
839     {
840         for hdr in $headers; do
841             echo "#include <$hdr>"
842         done
843         echo "int main(void) { $code; return 0; }"
844     } | check_$check "$@"
845 }
846
847 check_cppflags(){
848     log check_cppflags "$@"
849     check_cc "$@" <<EOF && append CPPFLAGS "$@"
850 int x;
851 EOF
852 }
853
854 check_cflags(){
855     log check_cflags "$@"
856     set -- $($cflags_filter "$@")
857     check_cc "$@" <<EOF && append CFLAGS "$@"
858 int x;
859 EOF
860 }
861
862 check_cxxflags(){
863     log check_cxxflags "$@"
864     set -- $($cflags_filter "$@")
865     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
866 int x;
867 EOF
868 }
869
870 test_ldflags(){
871     log test_ldflags "$@"
872     check_ld "cc" "$@" <<EOF
873 int main(void){ return 0; }
874 EOF
875 }
876
877 check_ldflags(){
878     log check_ldflags "$@"
879     test_ldflags "$@" && add_ldflags "$@"
880 }
881
882 check_header(){
883     log check_header "$@"
884     header=$1
885     shift
886     disable_safe $header
887     check_cpp "$@" <<EOF && enable_safe $header
888 #include <$header>
889 int x;
890 EOF
891 }
892
893 check_func(){
894     log check_func "$@"
895     func=$1
896     shift
897     disable $func
898     check_ld "cc" "$@" <<EOF && enable $func
899 extern int $func();
900 int main(void){ $func(); }
901 EOF
902 }
903
904 check_mathfunc(){
905     log check_mathfunc "$@"
906     func=$1
907     narg=$2
908     shift 2
909     test $narg = 2 && args="f, g" || args="f"
910     disable $func
911     check_ld "cc" "$@" <<EOF && enable $func
912 #include <math.h>
913 float foo(float f, float g) { return $func($args); }
914 int main(void){ return (int) foo; }
915 EOF
916 }
917
918 check_func_headers(){
919     log check_func_headers "$@"
920     headers=$1
921     funcs=$2
922     shift 2
923     {
924         for hdr in $headers; do
925             echo "#include <$hdr>"
926         done
927         for func in $funcs; do
928             echo "long check_$func(void) { return (long) $func; }"
929         done
930         echo "int main(void) { return 0; }"
931     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
932 }
933
934 check_class_headers_cpp(){
935     log check_class_headers_cpp "$@"
936     headers=$1
937     classes=$2
938     shift 2
939     {
940         for hdr in $headers; do
941             echo "#include <$hdr>"
942         done
943         echo "int main(void) { "
944         i=1
945         for class in $classes; do
946             echo "$class obj$i;"
947             i=$(expr $i + 1)
948         done
949         echo "return 0; }"
950     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
951 }
952
953 check_cpp_condition(){
954     log check_cpp_condition "$@"
955     header=$1
956     condition=$2
957     shift 2
958     check_cpp "$@" <<EOF
959 #include <$header>
960 #if !($condition)
961 #error "unsatisfied condition: $condition"
962 #endif
963 EOF
964 }
965
966 check_lib(){
967     log check_lib "$@"
968     header="$1"
969     func="$2"
970     shift 2
971     check_header $header && check_func $func "$@" && add_extralibs "$@"
972 }
973
974 check_lib2(){
975     log check_lib2 "$@"
976     headers="$1"
977     funcs="$2"
978     shift 2
979     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
980 }
981
982 check_lib_cpp(){
983     log check_lib_cpp "$@"
984     headers="$1"
985     classes="$2"
986     shift 2
987     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
988 }
989
990 check_pkg_config(){
991     log check_pkg_config "$@"
992     pkg="$1"
993     headers="$2"
994     funcs="$3"
995     shift 3
996     $pkg_config --exists $pkg 2>/dev/null || return
997     pkg_cflags=$($pkg_config --cflags $pkg)
998     pkg_libs=$($pkg_config --libs $pkg)
999     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1000         set_safe ${pkg}_cflags $pkg_cflags   &&
1001         set_safe ${pkg}_libs   $pkg_libs
1002 }
1003
1004 check_exec(){
1005     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1006 }
1007
1008 check_exec_crash(){
1009     code=$(cat)
1010
1011     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
1012     # are safe but may not be available everywhere.  Thus we use
1013     # raise(SIGTERM) instead.  The check is run in a subshell so we
1014     # can redirect the "Terminated" message from the shell.  SIGBUS
1015     # is not defined by standard C so it is used conditionally.
1016
1017     (check_exec "$@") >> $logfile 2>&1 <<EOF
1018 #include <signal.h>
1019 static void sighandler(int sig){
1020     raise(SIGTERM);
1021 }
1022 int foo(void){
1023     $code
1024 }
1025 int (*func_ptr)(void) = foo;
1026 int main(void){
1027     signal(SIGILL, sighandler);
1028     signal(SIGFPE, sighandler);
1029     signal(SIGSEGV, sighandler);
1030 #ifdef SIGBUS
1031     signal(SIGBUS, sighandler);
1032 #endif
1033     return func_ptr();
1034 }
1035 EOF
1036 }
1037
1038 check_type(){
1039     log check_type "$@"
1040     headers=$1
1041     type=$2
1042     shift 2
1043     disable_safe "$type"
1044     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1045 }
1046
1047 check_struct(){
1048     log check_struct "$@"
1049     headers=$1
1050     struct=$2
1051     member=$3
1052     shift 3
1053     disable_safe "${struct}_${member}"
1054     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1055         enable_safe "${struct}_${member}"
1056 }
1057
1058 check_builtin(){
1059     log check_builtin "$@"
1060     name=$1
1061     headers=$2
1062     builtin=$3
1063     shift 3
1064     disable "$name"
1065     check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1066 }
1067
1068 require(){
1069     name="$1"
1070     header="$2"
1071     func="$3"
1072     shift 3
1073     check_lib $header $func "$@" || die "ERROR: $name not found"
1074 }
1075
1076 require2(){
1077     name="$1"
1078     headers="$2"
1079     func="$3"
1080     shift 3
1081     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1082 }
1083
1084 require_cpp(){
1085     name="$1"
1086     headers="$2"
1087     classes="$3"
1088     shift 3
1089     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1090 }
1091
1092 require_pkg_config(){
1093     pkg="$1"
1094     check_pkg_config "$@" || die "ERROR: $pkg not found"
1095     add_cflags    $(get_safe ${pkg}_cflags)
1096     add_extralibs $(get_safe ${pkg}_libs)
1097 }
1098
1099 hostcc_o(){
1100     eval printf '%s\\n' $HOSTCC_O
1101 }
1102
1103 check_host_cc(){
1104     log check_host_cc "$@"
1105     cat > $TMPC
1106     log_file $TMPC
1107     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1108 }
1109
1110 check_host_cppflags(){
1111     log check_host_cppflags "$@"
1112     check_host_cc "$@" <<EOF && append host_cppflags "$@"
1113 int x;
1114 EOF
1115 }
1116
1117 check_host_cflags(){
1118     log check_host_cflags "$@"
1119     set -- $($host_cflags_filter "$@")
1120     check_host_cc "$@" <<EOF && append host_cflags "$@"
1121 int x;
1122 EOF
1123 }
1124
1125 apply(){
1126     file=$1
1127     shift
1128     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1129 }
1130
1131 cp_if_changed(){
1132     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1133     mkdir -p "$(dirname $2)"
1134     $cp_f "$1" "$2"
1135 }
1136
1137 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1138 # system-dependent things.
1139
1140 COMPONENT_LIST="
1141     bsfs
1142     decoders
1143     demuxers
1144     encoders
1145     filters
1146     hwaccels
1147     indevs
1148     muxers
1149     outdevs
1150     parsers
1151     protocols
1152 "
1153
1154 EXTERNAL_LIBRARY_LIST="
1155     avisynth
1156     bzlib
1157     crystalhd
1158     fontconfig
1159     frei0r
1160     gnutls
1161     iconv
1162     libaacplus
1163     libass
1164     libbluray
1165     libcaca
1166     libcdio
1167     libcelt
1168     libdc1394
1169     libfaac
1170     libfdk_aac
1171     libflite
1172     libfreetype
1173     libgme
1174     libgsm
1175     libiec61883
1176     libilbc
1177     libmodplug
1178     libmp3lame
1179     libnut
1180     libopencore_amrnb
1181     libopencore_amrwb
1182     libopencv
1183     libopenjpeg
1184     libopus
1185     libpulse
1186     libquvi
1187     librtmp
1188     libschroedinger
1189     libshine
1190     libsoxr
1191     libspeex
1192     libstagefright_h264
1193     libtheora
1194     libtwolame
1195     libutvideo
1196     libv4l2
1197     libvidstab
1198     libvo_aacenc
1199     libvo_amrwbenc
1200     libvorbis
1201     libvpx
1202     libwavpack
1203     libx264
1204     libxavs
1205     libxvid
1206     libzmq
1207     openal
1208     opencl
1209     openssl
1210     x11grab
1211     zlib
1212 "
1213
1214 DOCUMENT_LIST="
1215     doc
1216     htmlpages
1217     manpages
1218     podpages
1219     txtpages
1220 "
1221
1222 HWACCEL_LIST="
1223     dxva2
1224     vaapi
1225     vda
1226     vdpau
1227 "
1228
1229 LIBRARY_LIST="
1230     avcodec
1231     avdevice
1232     avfilter
1233     avformat
1234     avresample
1235     avutil
1236     postproc
1237     swresample
1238     swscale
1239 "
1240
1241 PROGRAM_LIST="
1242     ffplay
1243     ffprobe
1244     ffserver
1245     ffmpeg
1246 "
1247
1248 CONFIG_LIST="
1249     $COMPONENT_LIST
1250     $DOCUMENT_LIST
1251     $EXTERNAL_LIBRARY_LIST
1252     $HWACCEL_LIST
1253     $LIBRARY_LIST
1254     $PROGRAM_LIST
1255     dct
1256     dwt
1257     error_resilience
1258     fast_unaligned
1259     fft
1260     ftrapv
1261     gpl
1262     gray
1263     hardcoded_tables
1264     incompatible_libav_abi
1265     incompatible_fork_abi
1266     lsp
1267     lzo
1268     mdct
1269     memalign_hack
1270     memory_poisoning
1271     network
1272     nonfree
1273     pic
1274     rdft
1275     runtime_cpudetect
1276     safe_bitstream_reader
1277     shared
1278     small
1279     sram
1280     static
1281     swscale_alpha
1282     thumb
1283     version3
1284     xmm_clobber_test
1285 "
1286
1287 THREADS_LIST='
1288     pthreads
1289     w32threads
1290     os2threads
1291 '
1292
1293 ATOMICS_LIST='
1294     atomics_gcc
1295     atomics_suncc
1296     atomics_win32
1297 '
1298
1299 ARCH_LIST='
1300     aarch64
1301     alpha
1302     arm
1303     avr32
1304     avr32_ap
1305     avr32_uc
1306     bfin
1307     ia64
1308     m68k
1309     mips
1310     mips64
1311     parisc
1312     ppc
1313     ppc64
1314     s390
1315     sh4
1316     sparc
1317     sparc64
1318     tilegx
1319     tilepro
1320     tomi
1321     x86
1322     x86_32
1323     x86_64
1324 '
1325
1326 ARCH_EXT_LIST_ARM='
1327     armv5te
1328     armv6
1329     armv6t2
1330     neon
1331     vfp
1332     vfpv3
1333 '
1334
1335 ARCH_EXT_LIST_X86='
1336     amd3dnow
1337     amd3dnowext
1338     avx
1339     fma4
1340     mmx
1341     mmxext
1342     sse
1343     sse2
1344     sse3
1345     sse4
1346     sse42
1347     ssse3
1348 '
1349
1350 ARCH_EXT_LIST="
1351     $ARCH_EXT_LIST_ARM
1352     $ARCH_EXT_LIST_X86
1353     altivec
1354     ppc4xx
1355     vis
1356     mipsfpu
1357     mips32r2
1358     mipsdspr1
1359     mipsdspr2
1360 "
1361
1362 HAVE_LIST_CMDLINE='
1363     inline_asm
1364     symver
1365     yasm
1366 '
1367
1368 HAVE_LIST_PUB='
1369     bigendian
1370     fast_unaligned
1371     incompatible_libav_abi
1372     incompatible_fork_abi
1373 '
1374
1375 MATH_FUNCS="
1376     atanf
1377     atan2f
1378     cbrt
1379     cbrtf
1380     cosf
1381     exp2
1382     exp2f
1383     expf
1384     isinf
1385     isnan
1386     ldexpf
1387     llrint
1388     llrintf
1389     log2
1390     log2f
1391     log10f
1392     lrint
1393     lrintf
1394     powf
1395     rint
1396     round
1397     roundf
1398     sinf
1399     trunc
1400     truncf
1401 "
1402
1403 HAVE_LIST="
1404     $ARCH_EXT_LIST
1405     $(add_suffix _external $ARCH_EXT_LIST)
1406     $(add_suffix _inline   $ARCH_EXT_LIST)
1407     $HAVE_LIST_CMDLINE
1408     $HAVE_LIST_PUB
1409     $THREADS_LIST
1410     $ATOMICS_LIST
1411     $MATH_FUNCS
1412     access
1413     aligned_malloc
1414     aligned_stack
1415     alsa_asoundlib_h
1416     altivec_h
1417     arpa_inet_h
1418     asm_mod_q
1419     asm_mod_y
1420     asm_types_h
1421     atomic_cas_ptr
1422     atomics_native
1423     attribute_may_alias
1424     attribute_packed
1425     cdio_paranoia_h
1426     cdio_paranoia_paranoia_h
1427     CL_cl_h
1428     clock_gettime
1429     closesocket
1430     CommandLineToArgvW
1431     cpunop
1432     CryptGenRandom
1433     dcbzl
1434     dev_bktr_ioctl_bt848_h
1435     dev_bktr_ioctl_meteor_h
1436     dev_ic_bt8xx_h
1437     dev_video_bktr_ioctl_bt848_h
1438     dev_video_meteor_ioctl_meteor_h
1439     direct_h
1440     dlfcn_h
1441     dlopen
1442     dos_paths
1443     dxva_h
1444     ebp_available
1445     ebx_available
1446     fast_64bit
1447     fast_clz
1448     fast_cmov
1449     fcntl
1450     fork
1451     getaddrinfo
1452     gethrtime
1453     getopt
1454     GetProcessAffinityMask
1455     GetProcessMemoryInfo
1456     GetProcessTimes
1457     GetSystemTimeAsFileTime
1458     getrusage
1459     getservbyport
1460     gettimeofday
1461     glob
1462     gnu_as
1463     gsm_h
1464     i686
1465     ibm_asm
1466     inet_aton
1467     io_h
1468     inline_asm_labels
1469     isatty
1470     jack_port_get_latency_range
1471     kbhit
1472     ldbrx
1473     libdc1394_1
1474     libdc1394_2
1475     local_aligned_16
1476     local_aligned_8
1477     localtime_r
1478     loongson
1479     lzo1x_999_compress
1480     machine_ioctl_bt848_h
1481     machine_ioctl_meteor_h
1482     machine_rw_barrier
1483     makeinfo
1484     malloc_h
1485     MapViewOfFile
1486     memalign
1487     MemoryBarrier
1488     mkstemp
1489     mm_empty
1490     mmap
1491     mprotect
1492     msvcrt
1493     nanosleep
1494     openjpeg_1_5_openjpeg_h
1495     PeekNamedPipe
1496     perl
1497     pod2man
1498     poll_h
1499     posix_memalign
1500     pragma_deprecated
1501     pthread_cancel
1502     rdtsc
1503     rsync_contimeout
1504     sarestart
1505     sched_getaffinity
1506     sdl
1507     SetConsoleTextAttribute
1508     setmode
1509     setrlimit
1510     Sleep
1511     sndio_h
1512     socklen_t
1513     soundcard_h
1514     strerror_r
1515     struct_addrinfo
1516     struct_group_source_req
1517     struct_ip_mreq_source
1518     struct_ipv6_mreq
1519     struct_pollfd
1520     struct_rusage_ru_maxrss
1521     struct_sctp_event_subscribe
1522     struct_sockaddr_in6
1523     struct_sockaddr_sa_len
1524     struct_sockaddr_storage
1525     struct_stat_st_mtim_tv_nsec
1526     struct_v4l2_frmivalenum_discrete
1527     symver_asm_label
1528     symver_gnu_asm
1529     sync_val_compare_and_swap
1530     sysconf
1531     sysctl
1532     sys_mman_h
1533     sys_param_h
1534     sys_resource_h
1535     sys_select_h
1536     sys_soundcard_h
1537     sys_time_h
1538     sys_un_h
1539     sys_videoio_h
1540     termios_h
1541     texi2html
1542     threads
1543     unistd_h
1544     usleep
1545     vfp_args
1546     VirtualAlloc
1547     windows_h
1548     winsock2_h
1549     xform_asm
1550     xmm_clobbers
1551 "
1552
1553 # options emitted with CONFIG_ prefix but not available on the command line
1554 CONFIG_EXTRA="
1555     aandcttables
1556     ac3dsp
1557     audio_frame_queue
1558     dsputil
1559     frame_thread_encoder
1560     gcrypt
1561     golomb
1562     gplv3
1563     h264chroma
1564     h264dsp
1565     h264pred
1566     h264qpel
1567     hpeldsp
1568     huffman
1569     lgplv3
1570     lpc
1571     mpegaudio
1572     mpegaudiodsp
1573     mpegvideo
1574     mpegvideoenc
1575     nettle
1576     rangecoder
1577     riffdec
1578     riffenc
1579     rtpdec
1580     rtpenc_chain
1581     sinewin
1582     videodsp
1583     vp3dsp
1584 "
1585
1586 CMDLINE_SELECT="
1587     $ARCH_EXT_LIST
1588     $CONFIG_LIST
1589     $HAVE_LIST_CMDLINE
1590     $THREADS_LIST
1591     asm
1592     cross_compile
1593     debug
1594     extra_warnings
1595     logging
1596     lto
1597     optimizations
1598     stripping
1599 "
1600
1601 PATHS_LIST='
1602     bindir
1603     datadir
1604     incdir
1605     libdir
1606     mandir
1607     prefix
1608     shlibdir
1609 '
1610
1611 CMDLINE_SET="
1612     $PATHS_LIST
1613     ar
1614     arch
1615     as
1616     assert_level
1617     build_suffix
1618     cc
1619     cpu
1620     cross_prefix
1621     cxx
1622     dep_cc
1623     extra_version
1624     host_cc
1625     host_cflags
1626     host_ld
1627     host_ldflags
1628     host_libs
1629     host_os
1630     install
1631     ld
1632     logfile
1633     malloc_prefix
1634     nm
1635     optflags
1636     pkg_config
1637     progs_suffix
1638     random_seed
1639     samples
1640     strip
1641     sysinclude
1642     sysroot
1643     target_exec
1644     target_os
1645     target_path
1646     target_samples
1647     toolchain
1648     valgrind
1649     yasmexe
1650 "
1651
1652 CMDLINE_APPEND="
1653     extra_cflags
1654     extra_cxxflags
1655     host_cppflags
1656 "
1657
1658 # code dependency declarations
1659
1660 # architecture extensions
1661
1662 armv5te_deps="arm"
1663 armv6_deps="arm"
1664 armv6t2_deps="arm"
1665 neon_deps="arm"
1666 vfp_deps="arm"
1667 vfpv3_deps="vfp"
1668
1669 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1670
1671 mipsfpu_deps="mips"
1672 mips32r2_deps="mips"
1673 mipsdspr1_deps="mips"
1674 mipsdspr2_deps="mips"
1675
1676 altivec_deps="ppc"
1677 ppc4xx_deps="ppc"
1678
1679 vis_deps="sparc"
1680
1681 x86_64_suggest="fast_cmov i686"
1682
1683 amd3dnow_deps="mmx"
1684 amd3dnowext_deps="amd3dnow"
1685 mmx_deps="x86"
1686 mmxext_deps="mmx"
1687 sse_deps="mmxext"
1688 sse2_deps="sse"
1689 sse3_deps="sse2"
1690 ssse3_deps="sse3"
1691 sse4_deps="ssse3"
1692 sse42_deps="sse4"
1693 avx_deps="sse42"
1694 fma4_deps="avx"
1695
1696 mmx_external_deps="yasm"
1697 mmx_inline_deps="inline_asm"
1698 mmx_suggest="mmx_external mmx_inline"
1699
1700 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1701     eval dep=\$${ext}_deps
1702     eval ${ext}_external_deps='"${dep}_external"'
1703     eval ${ext}_inline_deps='"${dep}_inline"'
1704     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1705 done
1706
1707 aligned_stack_if_any="ppc x86"
1708 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1709 fast_clz_if_any="alpha avr32 mips ppc x86"
1710 fast_unaligned_if_any="ppc x86"
1711
1712 inline_asm_deps="!tms470"
1713 need_memalign="altivec neon sse"
1714
1715 symver_if_any="symver_asm_label symver_gnu_asm"
1716
1717 log2_deps="!msvcrt"
1718
1719 # subsystems
1720 dct_select="rdft"
1721 error_resilience_select="dsputil"
1722 frame_thread_encoder_deps="encoders threads"
1723 lpc_select="dsputil"
1724 mdct_select="fft"
1725 rdft_select="fft"
1726 mpegaudio_select="mpegaudiodsp"
1727 mpegaudiodsp_select="dct"
1728 mpegvideo_select="dsputil h264chroma hpeldsp videodsp"
1729 mpegvideoenc_select="mpegvideo"
1730
1731 # decoders / encoders
1732 aac_decoder_select="mdct sinewin"
1733 aac_encoder_select="audio_frame_queue mdct sinewin"
1734 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1735 ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
1736 ac3_encoder_select="mdct ac3dsp dsputil"
1737 ac3_fixed_encoder_select="mdct ac3dsp dsputil"
1738 aic_decoder_select="dsputil golomb"
1739 alac_encoder_select="lpc"
1740 als_decoder_select="dsputil"
1741 amrnb_decoder_select="lsp"
1742 amrwb_decoder_select="lsp"
1743 amv_decoder_select="dsputil hpeldsp"
1744 amv_encoder_select="aandcttables"
1745 ape_decoder_select="dsputil"
1746 asv1_decoder_select="dsputil"
1747 asv1_encoder_select="dsputil"
1748 asv2_decoder_select="dsputil"
1749 asv2_encoder_select="dsputil"
1750 atrac1_decoder_select="mdct sinewin"
1751 atrac3_decoder_select="mdct"
1752 bink_decoder_select="dsputil hpeldsp"
1753 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1754 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1755 cavs_decoder_select="dsputil golomb h264chroma videodsp"
1756 cllc_decoder_select="dsputil"
1757 comfortnoise_encoder_select="lpc"
1758 cook_decoder_select="dsputil mdct sinewin"
1759 cscd_decoder_select="lzo"
1760 cscd_decoder_suggest="zlib"
1761 dca_decoder_select="mdct"
1762 dirac_decoder_select="dsputil dwt golomb videodsp"
1763 dnxhd_decoder_select="dsputil"
1764 dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
1765 dvvideo_decoder_select="dsputil"
1766 dvvideo_encoder_select="dsputil"
1767 dxa_decoder_select="zlib"
1768 eac3_decoder_select="ac3_decoder"
1769 eac3_encoder_select="ac3_encoder"
1770 eamad_decoder_select="aandcttables dsputil mpegvideo"
1771 eatgq_decoder_select="aandcttables"
1772 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1773 exr_decoder_select="zlib"
1774 ffv1_decoder_select="dsputil golomb rangecoder"
1775 ffv1_encoder_select="dsputil rangecoder"
1776 ffvhuff_decoder_select="dsputil"
1777 ffvhuff_encoder_select="dsputil huffman"
1778 flac_decoder_select="golomb"
1779 flac_encoder_select="dsputil golomb lpc"
1780 flashsv_decoder_select="zlib"
1781 flashsv_encoder_select="zlib"
1782 flashsv2_encoder_select="zlib"
1783 flashsv2_decoder_select="zlib"
1784 flv_decoder_select="h263_decoder"
1785 flv_encoder_select="h263_encoder"
1786 fourxm_decoder_select="dsputil"
1787 fraps_decoder_select="dsputil huffman"
1788 g2m_decoder_select="dsputil zlib"
1789 g729_decoder_select="dsputil"
1790 h261_decoder_select="error_resilience mpegvideo"
1791 h261_encoder_select="aandcttables mpegvideoenc"
1792 h263_decoder_select="error_resilience h263_parser mpegvideo"
1793 h263_encoder_select="aandcttables mpegvideoenc"
1794 h263i_decoder_select="h263_decoder"
1795 h263p_encoder_select="h263_encoder"
1796 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1797 h264_decoder_suggest="error_resilience"
1798 huffyuv_decoder_select="dsputil"
1799 huffyuv_encoder_select="dsputil huffman"
1800 iac_decoder_select="dsputil fft mdct sinewin"
1801 imc_decoder_select="dsputil fft mdct sinewin"
1802 indeo3_decoder_select="hpeldsp"
1803 interplay_video_decoder_select="hpeldsp"
1804 jpegls_decoder_select="dsputil golomb hpeldsp"
1805 jpegls_encoder_select="golomb"
1806 jv_decoder_select="dsputil"
1807 lagarith_decoder_select="dsputil"
1808 ljpeg_encoder_select="aandcttables mpegvideoenc"
1809 loco_decoder_select="golomb"
1810 mdec_decoder_select="dsputil error_resilience mpegvideo"
1811 mimic_decoder_select="dsputil hpeldsp"
1812 mjpeg_decoder_select="dsputil hpeldsp"
1813 mjpegb_decoder_select="dsputil hpeldsp"
1814 mjpeg_encoder_select="aandcttables dsputil mpegvideoenc"
1815 mlp_decoder_select="dsputil mlp_parser"
1816 motionpixels_decoder_select="dsputil"
1817 mp1_decoder_select="mpegaudio"
1818 mp1float_decoder_select="mpegaudio"
1819 mp2_decoder_select="mpegaudio"
1820 mp2float_decoder_select="mpegaudio"
1821 mp3_decoder_select="mpegaudio"
1822 mp3adu_decoder_select="mpegaudio"
1823 mp3adufloat_decoder_select="mpegaudio"
1824 mp3float_decoder_select="mpegaudio"
1825 mp3on4_decoder_select="mpegaudio"
1826 mp3on4float_decoder_select="mpegaudio"
1827 mpc7_decoder_select="dsputil mpegaudiodsp"
1828 mpc8_decoder_select="dsputil mpegaudiodsp"
1829 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1830 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1831 mpeg1video_decoder_select="error_resilience mpegvideo"
1832 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1833 mpeg2video_decoder_select="error_resilience mpegvideo"
1834 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1835 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1836 mpeg4_encoder_select="h263_encoder"
1837 msmpeg4v1_decoder_select="h263_decoder"
1838 msmpeg4v2_decoder_select="h263_decoder"
1839 msmpeg4v2_encoder_select="h263_encoder"
1840 msmpeg4v3_decoder_select="h263_decoder"
1841 msmpeg4v3_encoder_select="h263_encoder"
1842 mss2_decoder_select="error_resilience vc1_decoder"
1843 mxpeg_decoder_select="dsputil hpeldsp"
1844 nellymoser_decoder_select="mdct sinewin"
1845 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1846 nuv_decoder_select="dsputil lzo"
1847 png_decoder_select="zlib"
1848 png_encoder_select="dsputil zlib"
1849 prores_decoder_select="dsputil"
1850 prores_encoder_select="dsputil"
1851 qcelp_decoder_select="lsp"
1852 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1853 ra_144_encoder_select="audio_frame_queue lpc"
1854 ralf_decoder_select="golomb"
1855 rtjpeg_decoder_select="dsputil"
1856 rv10_decoder_select="error_resilience h263_decoder"
1857 rv10_encoder_select="h263_encoder"
1858 rv20_decoder_select="error_resilience h263_decoder"
1859 rv20_encoder_select="h263_encoder"
1860 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1861 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1862 shorten_decoder_select="golomb"
1863 sipr_decoder_select="lsp"
1864 snow_decoder_select="dsputil dwt h264qpel hpeldsp rangecoder"
1865 snow_encoder_select="aandcttables dsputil dwt h264qpel hpeldsp mpegvideoenc rangecoder"
1866 sonic_decoder_select="golomb"
1867 sonic_encoder_select="golomb"
1868 sonic_ls_encoder_select="golomb"
1869 sp5x_decoder_select="dsputil hpeldsp"
1870 svq1_decoder_select="hpeldsp"
1871 svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
1872 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel hpeldsp mpegvideo videodsp"
1873 svq3_decoder_suggest="error_resilience zlib"
1874 tak_decoder_select="dsputil"
1875 theora_decoder_select="vp3_decoder"
1876 tiff_decoder_suggest="zlib"
1877 tiff_encoder_suggest="zlib"
1878 thp_decoder_select="dsputil hpeldsp"
1879 truehd_decoder_select="mlp_parser"
1880 truemotion2_decoder_select="dsputil"
1881 truespeech_decoder_select="dsputil"
1882 tscc_decoder_select="zlib"
1883 twinvq_decoder_select="mdct lsp sinewin"
1884 utvideo_decoder_select="dsputil"
1885 utvideo_encoder_select="dsputil huffman"
1886 vble_decoder_select="dsputil"
1887 vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel"
1888 vc1image_decoder_select="vc1_decoder"
1889 vorbis_decoder_select="mdct"
1890 vorbis_encoder_select="mdct"
1891 vp3_decoder_select="hpeldsp vp3dsp videodsp"
1892 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
1893 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
1894 vp6a_decoder_select="vp6_decoder"
1895 vp6f_decoder_select="vp6_decoder"
1896 vp8_decoder_select="h264pred videodsp"
1897 webp_decoder_select="vp8_decoder"
1898 wmapro_decoder_select="mdct sinewin"
1899 wmav1_decoder_select="mdct sinewin"
1900 wmav1_encoder_select="mdct sinewin"
1901 wmav2_decoder_select="mdct sinewin"
1902 wmav2_encoder_select="mdct sinewin"
1903 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1904 wmv1_decoder_select="h263_decoder"
1905 wmv1_encoder_select="h263_encoder"
1906 wmv2_decoder_select="h263_decoder videodsp"
1907 wmv2_encoder_select="h263_encoder"
1908 wmv3_decoder_select="vc1_decoder"
1909 wmv3image_decoder_select="wmv3_decoder"
1910 zerocodec_decoder_select="zlib"
1911 zlib_decoder_select="zlib"
1912 zlib_encoder_select="zlib"
1913 zmbv_decoder_select="zlib"
1914 zmbv_encoder_select="zlib"
1915
1916 # hardware accelerators
1917 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1918 dxva2_deps="dxva2api_h"
1919 vaapi_deps="va_va_h"
1920 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1921 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
1922 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1923
1924 h263_vaapi_hwaccel_deps="vaapi"
1925 h263_vaapi_hwaccel_select="h263_decoder"
1926 h263_vdpau_hwaccel_deps="vdpau"
1927 h263_vdpau_hwaccel_select="h263_decoder"
1928 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1929 h264_dxva2_hwaccel_deps="dxva2"
1930 h264_dxva2_hwaccel_select="h264_decoder"
1931 h264_vaapi_hwaccel_deps="vaapi"
1932 h264_vaapi_hwaccel_select="h264_decoder"
1933 h264_vda_decoder_deps="vda"
1934 h264_vda_decoder_select="h264_decoder"
1935 h264_vda_hwaccel_deps="vda"
1936 h264_vda_hwaccel_select="h264_decoder"
1937 h264_vdpau_hwaccel_deps="vdpau"
1938 h264_vdpau_hwaccel_select="h264_decoder"
1939 mpeg1_vdpau_hwaccel_deps="vdpau"
1940 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
1941 mpeg2_crystalhd_decoder_select="crystalhd"
1942 mpeg2_dxva2_hwaccel_deps="dxva2"
1943 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
1944 mpeg2_vaapi_hwaccel_deps="vaapi"
1945 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
1946 mpeg2_vdpau_hwaccel_deps="vdpau"
1947 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
1948 mpeg4_crystalhd_decoder_select="crystalhd"
1949 mpeg4_vaapi_hwaccel_deps="vaapi"
1950 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
1951 mpeg4_vdpau_hwaccel_deps="vdpau"
1952 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
1953 msmpeg4_crystalhd_decoder_select="crystalhd"
1954 vc1_crystalhd_decoder_select="crystalhd"
1955 vc1_dxva2_hwaccel_deps="dxva2"
1956 vc1_dxva2_hwaccel_select="vc1_decoder"
1957 vc1_vaapi_hwaccel_deps="vaapi"
1958 vc1_vaapi_hwaccel_select="vc1_decoder"
1959 vc1_vdpau_hwaccel_deps="vdpau"
1960 vc1_vdpau_hwaccel_select="vc1_decoder"
1961 wmv3_crystalhd_decoder_select="crystalhd"
1962 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1963 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1964 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
1965
1966 # parsers
1967 h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1968 mpeg4video_parser_select="error_resilience mpegvideo"
1969 mpegvideo_parser_select="error_resilience mpegvideo"
1970 vc1_parser_select="mpegvideo"
1971
1972 # external libraries
1973 libaacplus_encoder_deps="libaacplus"
1974 libcelt_decoder_deps="libcelt"
1975 libfaac_encoder_deps="libfaac"
1976 libfaac_encoder_select="audio_frame_queue"
1977 libfdk_aac_encoder_deps="libfdk_aac"
1978 libfdk_aac_encoder_select="audio_frame_queue"
1979 libgme_demuxer_deps="libgme"
1980 libgsm_decoder_deps="libgsm"
1981 libgsm_encoder_deps="libgsm"
1982 libgsm_ms_decoder_deps="libgsm"
1983 libgsm_ms_encoder_deps="libgsm"
1984 libilbc_decoder_deps="libilbc"
1985 libilbc_encoder_deps="libilbc"
1986 libmodplug_demuxer_deps="libmodplug"
1987 libmp3lame_encoder_deps="libmp3lame"
1988 libmp3lame_encoder_select="audio_frame_queue"
1989 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1990 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1991 libopencore_amrnb_encoder_select="audio_frame_queue"
1992 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1993 libopenjpeg_decoder_deps="libopenjpeg"
1994 libopenjpeg_encoder_deps="libopenjpeg"
1995 libopus_decoder_deps="libopus"
1996 libopus_encoder_deps="libopus"
1997 libopus_encoder_select="audio_frame_queue"
1998 libquvi_demuxer_deps="libquvi"
1999 libschroedinger_decoder_deps="libschroedinger"
2000 libschroedinger_encoder_deps="libschroedinger"
2001 libshine_encoder_deps="libshine"
2002 libshine_encoder_select="audio_frame_queue"
2003 libspeex_decoder_deps="libspeex"
2004 libspeex_encoder_deps="libspeex"
2005 libspeex_encoder_select="audio_frame_queue"
2006 libstagefright_h264_decoder_deps="libstagefright_h264"
2007 libtheora_encoder_deps="libtheora"
2008 libtwolame_encoder_deps="libtwolame"
2009 libvo_aacenc_encoder_deps="libvo_aacenc"
2010 libvo_aacenc_encoder_select="audio_frame_queue"
2011 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2012 libvorbis_decoder_deps="libvorbis"
2013 libvorbis_encoder_deps="libvorbis"
2014 libvorbis_encoder_select="audio_frame_queue"
2015 libvpx_vp8_decoder_deps="libvpx"
2016 libvpx_vp8_encoder_deps="libvpx"
2017 libvpx_vp9_decoder_deps="libvpx"
2018 libvpx_vp9_encoder_deps="libvpx"
2019 libwavpack_encoder_deps="libwavpack"
2020 libx264_encoder_deps="libx264"
2021 libx264rgb_encoder_deps="libx264"
2022 libxavs_encoder_deps="libxavs"
2023 libxvid_encoder_deps="libxvid"
2024 libutvideo_decoder_deps="libutvideo"
2025 libutvideo_encoder_deps="libutvideo"
2026
2027 # demuxers / muxers
2028 ac3_demuxer_select="ac3_parser"
2029 asf_demuxer_select="riffdec"
2030 asf_muxer_select="riffenc"
2031 asf_stream_muxer_select="asf_muxer"
2032 avi_demuxer_select="riffdec"
2033 avi_muxer_select="riffenc"
2034 avisynth_demuxer_deps="avisynth"
2035 avisynth_demuxer_select="riffdec"
2036 caf_demuxer_select="riffdec"
2037 dirac_demuxer_select="dirac_parser"
2038 dts_demuxer_select="dca_parser"
2039 dtshd_demuxer_select="dca_parser"
2040 dxa_demuxer_select="riffdec"
2041 eac3_demuxer_select="ac3_parser"
2042 f4v_muxer_select="mov_muxer"
2043 flac_demuxer_select="flac_parser"
2044 ipod_muxer_select="mov_muxer"
2045 ismv_muxer_select="mov_muxer"
2046 libnut_demuxer_deps="libnut"
2047 libnut_muxer_deps="libnut"
2048 matroska_audio_muxer_select="matroska_muxer"
2049 matroska_demuxer_select="riffdec"
2050 matroska_demuxer_suggest="bzlib lzo zlib"
2051 matroska_muxer_select="riffenc"
2052 mmf_muxer_select="riffenc"
2053 mov_demuxer_select="riffdec"
2054 mov_demuxer_suggest="zlib"
2055 mov_muxer_select="riffenc rtpenc_chain"
2056 mp3_demuxer_select="mpegaudio_parser"
2057 mp4_muxer_select="mov_muxer"
2058 mpegts_muxer_select="adts_muxer latm_muxer"
2059 mpegtsraw_demuxer_select="mpegts_demuxer"
2060 mxf_d10_muxer_select="mxf_muxer"
2061 nut_muxer_select="riffenc"
2062 nuv_demuxer_select="riffdec"
2063 ogg_demuxer_select="golomb"
2064 psp_muxer_select="mov_muxer"
2065 rtp_demuxer_select="sdp_demuxer"
2066 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2067 rtsp_demuxer_select="http_protocol rtpdec"
2068 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2069 sap_demuxer_select="sdp_demuxer"
2070 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2071 sdp_demuxer_select="rtpdec"
2072 smoothstreaming_muxer_select="ismv_muxer"
2073 spdif_muxer_select="aac_parser"
2074 tak_demuxer_select="tak_parser"
2075 tg2_muxer_select="mov_muxer"
2076 tgp_muxer_select="mov_muxer"
2077 vobsub_demuxer_select="mpegps_demuxer"
2078 w64_demuxer_deps="wav_demuxer"
2079 w64_muxer_deps="wav_muxer"
2080 wav_demuxer_select="riffdec"
2081 wav_muxer_select="riffenc"
2082 webm_muxer_select="riffenc"
2083 wtv_demuxer_select="riffdec"
2084 xmv_demuxer_select="riffdec"
2085 xwma_demuxer_select="riffdec"
2086
2087 # indevs / outdevs
2088 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2089 alsa_outdev_deps="alsa_asoundlib_h"
2090 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2091 caca_outdev_deps="libcaca"
2092 dshow_indev_deps="IBaseFilter"
2093 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
2094 dv1394_indev_deps="dv1394 dv_demuxer"
2095 fbdev_indev_deps="linux_fb_h"
2096 iec61883_indev_deps="libiec61883"
2097 jack_indev_deps="jack_jack_h sem_timedwait"
2098 lavfi_indev_deps="avfilter"
2099 libcdio_indev_deps="libcdio"
2100 libdc1394_indev_deps="libdc1394"
2101 libv4l2_indev_deps="libv4l2"
2102 openal_indev_deps="openal"
2103 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2104 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2105 pulse_indev_deps="libpulse"
2106 sdl_outdev_deps="sdl"
2107 sndio_indev_deps="sndio_h"
2108 sndio_outdev_deps="sndio_h"
2109 v4l_indev_deps="linux_videodev_h"
2110 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2111 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2112 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2113 vfwcap_indev_extralibs="-lavicap32"
2114 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2115 xv_outdev_extralibs="-lXv -lX11 -lXext"
2116 x11grab_indev_deps="x11grab"
2117
2118 # protocols
2119 bluray_protocol_deps="libbluray"
2120 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2121 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2122 ffrtmpcrypt_protocol_select="tcp_protocol"
2123 ffrtmphttp_protocol_deps="!librtmp_protocol"
2124 ffrtmphttp_protocol_select="http_protocol"
2125 ftp_protocol_select="tcp_protocol"
2126 gopher_protocol_select="network"
2127 httpproxy_protocol_select="tcp_protocol"
2128 http_protocol_select="tcp_protocol"
2129 https_protocol_select="tls_protocol"
2130 librtmp_protocol_deps="librtmp"
2131 librtmpe_protocol_deps="librtmp"
2132 librtmps_protocol_deps="librtmp"
2133 librtmpt_protocol_deps="librtmp"
2134 librtmpte_protocol_deps="librtmp"
2135 mmsh_protocol_select="http_protocol"
2136 mmst_protocol_select="network"
2137 rtmp_protocol_deps="!librtmp_protocol"
2138 rtmp_protocol_select="tcp_protocol"
2139 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2140 rtmps_protocol_deps="!librtmp_protocol"
2141 rtmps_protocol_select="tls_protocol"
2142 rtmpt_protocol_select="ffrtmphttp_protocol"
2143 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2144 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2145 rtp_protocol_select="udp_protocol"
2146 sctp_protocol_deps="struct_sctp_event_subscribe"
2147 sctp_protocol_select="network"
2148 srtp_protocol_select="rtp_protocol"
2149 tcp_protocol_select="network"
2150 tls_protocol_deps_any="openssl gnutls"
2151 tls_protocol_select="tcp_protocol"
2152 udp_protocol_select="network"
2153 unix_protocol_deps="sys_un_h"
2154 unix_protocol_select="network"
2155
2156 # filters
2157 aconvert_filter_deps="swresample"
2158 amovie_filter_deps="avcodec avformat"
2159 aresample_filter_deps="swresample"
2160 ass_filter_deps="libass"
2161 asyncts_filter_deps="avresample"
2162 atempo_filter_deps="avcodec rdft"
2163 azmq_filter_deps="libzmq"
2164 blackframe_filter_deps="gpl"
2165 boxblur_filter_deps="gpl"
2166 colormatrix_filter_deps="gpl"
2167 cropdetect_filter_deps="gpl"
2168 dctdnoiz_filter_deps="avcodec fft"
2169 delogo_filter_deps="gpl"
2170 deshake_filter_deps="avcodec"
2171 deshake_filter_select="dsputil"
2172 drawtext_filter_deps="libfreetype"
2173 ebur128_filter_deps="gpl"
2174 flite_filter_deps="libflite"
2175 frei0r_filter_deps="frei0r dlopen"
2176 frei0r_filter_extralibs='$ldl'
2177 frei0r_src_filter_deps="frei0r dlopen"
2178 frei0r_src_filter_extralibs='$ldl'
2179 geq_filter_deps="gpl"
2180 histeq_filter_deps="gpl"
2181 hqdn3d_filter_deps="gpl"
2182 hue_filter_deps="gpl"
2183 interlace_filter_deps="gpl"
2184 kerndeint_filter_deps="gpl"
2185 mcdeint_filter_deps="avcodec gpl"
2186 movie_filter_deps="avcodec avformat"
2187 mp_filter_deps="gpl avcodec swscale inline_asm"
2188 mpdecimate_filter_deps="gpl avcodec"
2189 mptestsrc_filter_deps="gpl"
2190 negate_filter_deps="lut_filter"
2191 noise_filter_deps="gpl"
2192 perspective_filter_deps="gpl"
2193 resample_filter_deps="avresample"
2194 ocv_filter_deps="libopencv"
2195 owdenoise_filter_deps="gpl"
2196 pan_filter_deps="swresample"
2197 pp_filter_deps="gpl postproc"
2198 removelogo_filter_deps="avcodec avformat swscale"
2199 sab_filter_deps="gpl swscale"
2200 scale_filter_deps="swscale"
2201 smartblur_filter_deps="gpl swscale"
2202 showspectrum_filter_deps="avcodec rdft"
2203 spp_filter_deps="gpl avcodec fft"
2204 stereo3d_filter_deps="gpl"
2205 subtitles_filter_deps="avformat avcodec libass"
2206 super2xsai_filter_deps="gpl"
2207 tinterlace_filter_deps="gpl"
2208 vidstabdetect_filter_deps="libvidstab"
2209 vidstabtransform_filter_deps="libvidstab"
2210 yadif_filter_deps="gpl"
2211 pixfmts_super2xsai_test_deps="super2xsai_filter"
2212 tinterlace_merge_test_deps="tinterlace_filter"
2213 tinterlace_pad_test_deps="tinterlace_filter"
2214 zmq_filter_deps="libzmq"
2215
2216 # libraries
2217 avcodec_deps="avutil"
2218 avdevice_deps="avutil avcodec avformat"
2219 avfilter_deps="avutil"
2220 avformat_deps="avutil avcodec"
2221 avresample_deps="avutil"
2222 postproc_deps="avutil gpl"
2223 swscale_deps="avutil"
2224
2225 # programs
2226 ffmpeg_deps="avcodec avfilter avformat swscale swresample"
2227 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2228                null_filter
2229                setpts_filter trim_filter"
2230 ffplay_deps="avcodec avformat swscale swresample sdl"
2231 ffplay_select="rdft crop_filter"
2232 ffprobe_deps="avcodec avformat"
2233 ffserver_deps="avformat fork sarestart"
2234 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2235 ffserver_extralibs='$ldl'
2236
2237 # documentation
2238 podpages_deps="perl"
2239 manpages_deps="perl pod2man"
2240 htmlpages_deps="texi2html"
2241 txtpages_deps="makeinfo"
2242 doc_deps_any="manpages htmlpages podpages txtpages"
2243
2244 # default parameters
2245
2246 logfile="config.log"
2247
2248 # installation paths
2249 prefix_default="/usr/local"
2250 bindir_default='${prefix}/bin'
2251 datadir_default='${prefix}/share/ffmpeg'
2252 incdir_default='${prefix}/include'
2253 libdir_default='${prefix}/lib'
2254 mandir_default='${prefix}/share/man'
2255 shlibdir_default="$libdir_default"
2256
2257 # toolchain
2258 ar_default="ar"
2259 cc_default="gcc"
2260 cxx_default="g++"
2261 host_cc_default="gcc"
2262 cp_f="cp -f"
2263 install="install"
2264 ln_s="ln -s -f"
2265 nm_default="nm -g"
2266 objformat="elf"
2267 pkg_config_default=pkg-config
2268 ranlib="ranlib"
2269 strip_default="strip"
2270 yasmexe_default="yasm"
2271
2272 nogas=":"
2273
2274 # machine
2275 arch_default=$(uname -m)
2276 cpu="generic"
2277
2278 # OS
2279 target_os_default=$(tolower $(uname -s))
2280 host_os=$target_os_default
2281
2282 # configurable options
2283 enable $PROGRAM_LIST
2284 enable $DOCUMENT_LIST
2285 enable $(filter_out avresample $LIBRARY_LIST)
2286 enable stripping
2287
2288 enable asm
2289 enable debug
2290 enable doc
2291 enable optimizations
2292 enable runtime_cpudetect
2293 enable safe_bitstream_reader
2294 enable static
2295 enable swscale_alpha
2296
2297 # Enable hwaccels by default.
2298 enable dxva2 vaapi vdpau
2299
2300 # build settings
2301 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2302 LIBPREF="lib"
2303 LIBSUF=".a"
2304 FULLNAME='$(NAME)$(BUILDSUF)'
2305 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2306 SLIBPREF="lib"
2307 SLIBSUF=".so"
2308 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2309 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2310 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2311 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2312 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2313 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2314
2315 asflags_filter=echo
2316 cflags_filter=echo
2317 ldflags_filter=echo
2318
2319 AS_C='-c'
2320 AS_O='-o $@'
2321 CC_C='-c'
2322 CC_E='-E -o $@'
2323 CC_O='-o $@'
2324 CXX_C='-c'
2325 CXX_O='-o $@'
2326 LD_O='-o $@'
2327 LD_LIB='-l%'
2328 LD_PATH='-L'
2329 HOSTCC_C='-c'
2330 HOSTCC_O='-o $@'
2331 HOSTLD_O='-o $@'
2332
2333 host_cflags='-O3 -g'
2334 host_cppflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600'
2335 host_libs='-lm'
2336 host_cflags_filter=echo
2337 host_ldflags_filter=echo
2338
2339 target_path='$(CURDIR)'
2340
2341 # since the object filename is not given with the -MM flag, the compiler
2342 # is only able to print the basename, and we must add the path ourselves
2343 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2344 DEPFLAGS='-MM'
2345
2346 # find source path
2347 if test -f configure; then
2348     source_path=.
2349 else
2350     source_path=$(cd $(dirname "$0"); pwd)
2351     echo "$source_path" | grep -q '[[:blank:]]' &&
2352         die "Out of tree builds are impossible with whitespace in source path."
2353     test -e "$source_path/config.h" &&
2354         die "Out of tree builds are impossible with config.h in source dir."
2355 fi
2356
2357 for v in "$@"; do
2358     r=${v#*=}
2359     l=${v%"$r"}
2360     r=$(sh_quote "$r")
2361     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2362 done
2363
2364 find_things(){
2365     thing=$1
2366     pattern=$2
2367     file=$source_path/$3
2368     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2369 }
2370
2371 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
2372 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
2373 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
2374 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
2375 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
2376 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
2377 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
2378 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
2379 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
2380 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2381 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
2382
2383 ALL_COMPONENTS="
2384     $BSF_LIST
2385     $DECODER_LIST
2386     $DEMUXER_LIST
2387     $ENCODER_LIST
2388     $FILTER_LIST
2389     $HWACCEL_LIST
2390     $INDEV_LIST
2391     $MUXER_LIST
2392     $OUTDEV_LIST
2393     $PARSER_LIST
2394     $PROTOCOL_LIST
2395 "
2396
2397 for n in $COMPONENT_LIST; do
2398     v=$(toupper ${n%s})_LIST
2399     eval enable \$$v
2400     eval ${n}_if_any="\$$v"
2401 done
2402
2403 enable $ARCH_EXT_LIST
2404
2405 die_unknown(){
2406     echo "Unknown option \"$1\"."
2407     echo "See $0 --help for available options."
2408     exit 1
2409 }
2410
2411 print_3_columns() {
2412     cat | tr ' ' '\n' | sort | pr -r -3 -t
2413 }
2414
2415 show_list() {
2416     suffix=_$1
2417     shift
2418     echo $* | sed s/$suffix//g | print_3_columns
2419     exit 0
2420 }
2421
2422 rand_list(){
2423     IFS=', '
2424     set -- $*
2425     unset IFS
2426     for thing; do
2427         comp=${thing%:*}
2428         prob=${thing#$comp}
2429         prob=${prob#:}
2430         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2431         echo "prob ${prob:-0.5}"
2432         printf '%s\n' $comp
2433     done
2434 }
2435
2436 do_random(){
2437     action=$1
2438     shift
2439     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2440     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2441 }
2442
2443 for opt do
2444     optval="${opt#*=}"
2445     case "$opt" in
2446         --extra-ldflags=*)
2447             add_ldflags $optval
2448         ;;
2449         --extra-libs=*)
2450             add_extralibs $optval
2451         ;;
2452         --disable-devices)
2453             disable $INDEV_LIST $OUTDEV_LIST
2454         ;;
2455         --enable-debug=*)
2456             debuglevel="$optval"
2457         ;;
2458         --disable-programs)
2459             disable $PROGRAM_LIST
2460         ;;
2461         --disable-everything)
2462             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2463         ;;
2464         --disable-all)
2465             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2466             disable $LIBRARY_LIST $PROGRAM_LIST doc
2467         ;;
2468         --enable-random|--disable-random)
2469             action=${opt%%-random}
2470             do_random ${action#--} $COMPONENT_LIST
2471         ;;
2472         --enable-random=*|--disable-random=*)
2473             action=${opt%%-random=*}
2474             do_random ${action#--} $optval
2475         ;;
2476         --enable-*=*|--disable-*=*)
2477             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2478             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2479             eval list=\$$(toupper $thing)_LIST
2480             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2481             list=$(filter "$name" $list)
2482             [ "$list" = "" ] && warn "Option $opt did not match anything"
2483             $action $list
2484         ;;
2485         --enable-?*|--disable-?*)
2486             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2487             if is_in $option $COMPONENT_LIST; then
2488                 test $action = disable && action=unset
2489                 eval $action \$$(toupper ${option%s})_LIST
2490             elif is_in $option $CMDLINE_SELECT; then
2491                 $action $option
2492             else
2493                 die_unknown $opt
2494             fi
2495         ;;
2496         --list-*)
2497             NAME="${opt#--list-}"
2498             is_in $NAME $COMPONENT_LIST || die_unknown $opt
2499             NAME=${NAME%s}
2500             eval show_list $NAME \$$(toupper $NAME)_LIST
2501         ;;
2502         --help|-h) show_help
2503         ;;
2504         --fatal-warnings) enable fatal_warnings
2505         ;;
2506         *)
2507             optname="${opt%%=*}"
2508             optname="${optname#--}"
2509             optname=$(echo "$optname" | sed 's/-/_/g')
2510             if is_in $optname $CMDLINE_SET; then
2511                 eval $optname='$optval'
2512             elif is_in $optname $CMDLINE_APPEND; then
2513                 append $optname "$optval"
2514             else
2515                 die_unknown $opt
2516             fi
2517         ;;
2518     esac
2519 done
2520
2521 disabled logging && logfile=/dev/null
2522
2523 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2524 set >> $logfile
2525
2526 test -n "$cross_prefix" && enable cross_compile
2527
2528 if enabled cross_compile; then
2529     test -n "$arch" && test -n "$target_os" ||
2530         die "Must specify target arch and OS when cross-compiling"
2531 fi
2532
2533 ar_default="${cross_prefix}${ar_default}"
2534 cc_default="${cross_prefix}${cc_default}"
2535 cxx_default="${cross_prefix}${cxx_default}"
2536 nm_default="${cross_prefix}${nm_default}"
2537 pkg_config_default="${cross_prefix}${pkg_config_default}"
2538 ranlib="${cross_prefix}${ranlib}"
2539 strip_default="${cross_prefix}${strip_default}"
2540
2541 sysinclude_default="${sysroot}/usr/include"
2542
2543 test -n "$valgrind" && toolchain="valgrind-memcheck"
2544
2545 case "$toolchain" in
2546     clang-asan)
2547         cc_default="clang"
2548         add_cflags  -fsanitize=address
2549         add_ldflags -fsanitize=address
2550     ;;
2551     clang-tsan)
2552         cc_default="clang"
2553         add_cflags  -fsanitize=thread -pie
2554         add_ldflags -fsanitize=thread -pie
2555     ;;
2556     gcc-asan)
2557         cc_default="gcc"
2558         add_cflags  -fsanitize=address
2559         add_ldflags -fsanitize=address
2560     ;;
2561     gcc-tsan)
2562         cc_default="gcc"
2563         add_cflags  -fsanitize=thread -pie -fPIC
2564         add_ldflags -fsanitize=thread -pie -fPIC
2565     ;;
2566     valgrind-massif)
2567         target_exec_default=${valgrind:-"valgrind"}
2568         target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
2569     ;;
2570     valgrind-memcheck)
2571         target_exec_default=${valgrind:-"valgrind"}
2572         target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
2573     ;;
2574     msvc)
2575         cc_default="c99wrap cl"
2576         ld_default="c99wrap link"
2577         nm_default="dumpbin -symbols"
2578         ar_default="lib"
2579         target_os_default="win32"
2580     ;;
2581     icl)
2582         cc_default="c99wrap -noconv icl"
2583         ld_default="c99wrap xilink"
2584         nm_default="dumpbin -symbols"
2585         ar_default="xilib"
2586         target_os_default="win32"
2587     ;;
2588     gcov)
2589         add_cflags  -fprofile-arcs -ftest-coverage
2590         add_ldflags -fprofile-arcs -ftest-coverage
2591     ;;
2592     ?*)
2593         die "Unknown toolchain $toolchain"
2594     ;;
2595 esac
2596
2597 set_default arch cc cxx pkg_config strip sysinclude target_exec target_os yasmexe
2598 enabled cross_compile || host_cc_default=$cc
2599 set_default host_cc
2600
2601 if ! $pkg_config --version >/dev/null 2>&1; then
2602     warn "$pkg_config not found, library detection may fail."
2603     pkg_config=false
2604 fi
2605
2606 exesuf() {
2607     case $1 in
2608         mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2609     esac
2610 }
2611
2612 EXESUF=$(exesuf $target_os)
2613 HOSTEXESUF=$(exesuf $host_os)
2614
2615 # set temporary file name
2616 : ${TMPDIR:=$TEMPDIR}
2617 : ${TMPDIR:=$TMP}
2618 : ${TMPDIR:=/tmp}
2619
2620 if ! check_cmd mktemp -u XXXXXX; then
2621     # simple replacement for missing mktemp
2622     # NOT SAFE FOR GENERAL USE
2623     mktemp(){
2624         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2625     }
2626 fi
2627
2628 tmpfile(){
2629     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2630         (set -C; exec > $tmp) 2>/dev/null ||
2631         die "Unable to create temporary file in $TMPDIR."
2632     append TMPFILES $tmp
2633     eval $1=$tmp
2634 }
2635
2636 trap 'rm -f -- $TMPFILES' EXIT
2637
2638 tmpfile TMPASM .asm
2639 tmpfile TMPC   .c
2640 tmpfile TMPCPP .cpp
2641 tmpfile TMPE   $EXESUF
2642 tmpfile TMPH   .h
2643 tmpfile TMPO   .o
2644 tmpfile TMPS   .S
2645 tmpfile TMPSH  .sh
2646 tmpfile TMPV   .ver
2647
2648 unset -f mktemp
2649
2650 chmod +x $TMPE
2651
2652 # make sure we can execute files in $TMPDIR
2653 cat > $TMPSH 2>> $logfile <<EOF
2654 #! /bin/sh
2655 EOF
2656 chmod +x $TMPSH >> $logfile 2>&1
2657 if ! $TMPSH >> $logfile 2>&1; then
2658     cat <<EOF
2659 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2660 variable to another directory and make sure that it is not mounted noexec.
2661 EOF
2662     die "Sanity test failed."
2663 fi
2664
2665 ccc_flags(){
2666     for flag; do
2667         case $flag in
2668             -std=c99)           echo -c99                       ;;
2669             -mcpu=*)            echo -arch ${flag#*=}           ;;
2670             -mieee)             echo -ieee                      ;;
2671             -O*|-fast)          echo $flag                      ;;
2672             -fno-math-errno)    echo -assume nomath_errno       ;;
2673             -g)                 echo -g3                        ;;
2674             -Wall)              echo -msg_enable level2         ;;
2675             -Wno-pointer-sign)  echo -msg_disable ptrmismatch1  ;;
2676             -Wl,*)              echo $flag                      ;;
2677             -f*|-W*)                                            ;;
2678             *)                  echo $flag                      ;;
2679         esac
2680    done
2681 }
2682
2683 msvc_common_flags(){
2684     for flag; do
2685         case $flag in
2686             # In addition to specifying certain flags under the compiler
2687             # specific filters, they must be specified here as well or else the
2688             # generic catch all at the bottom will print the original flag.
2689             -Wall)                ;;
2690             -std=c99)             ;;
2691             # Common flags
2692             -fomit-frame-pointer) ;;
2693             -g)                   echo -Z7 ;;
2694             -fno-math-errno)      ;;
2695             -fno-common)          ;;
2696             -fno-signed-zeros)    ;;
2697             -fPIC)                ;;
2698             -mthumb)              ;;
2699             -march=*)             ;;
2700             -lz)                  echo zlib.lib ;;
2701             -lavifil32)           echo vfw32.lib ;;
2702             -lavicap32)           echo vfw32.lib user32.lib ;;
2703             -l*)                  echo ${flag#-l}.lib ;;
2704             *)                    echo $flag ;;
2705         esac
2706     done
2707 }
2708
2709 msvc_flags(){
2710     msvc_common_flags "$@"
2711     for flag; do
2712         case $flag in
2713             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \
2714                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2715                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2716                                        -wd4554 \
2717                                        -wd4996 -wd4273 ;;
2718         esac
2719     done
2720 }
2721
2722 icl_flags(){
2723     msvc_common_flags "$@"
2724     for flag; do
2725         case $flag in
2726             # Despite what Intel's documentation says -Wall, which is supported
2727             # on Windows, does enable remarks so disable them here.
2728             -Wall)                echo $flag -Qdiag-disable:remark ;;
2729             -std=c99)             echo -Qstd=c99 ;;
2730         esac
2731     done
2732 }
2733
2734 pgi_flags(){
2735     for flag; do
2736         case $flag in
2737             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;
2738             -fomit-frame-pointer) echo -Mnoframe ;;
2739             -g)                   echo -gopt ;;
2740             *)                    echo $flag ;;
2741         esac
2742     done
2743 }
2744
2745 suncc_flags(){
2746     for flag; do
2747         case $flag in
2748             -march=*|-mcpu=*)
2749                 case "${flag#*=}" in
2750                     native)                   echo -xtarget=native       ;;
2751                     v9|niagara)               echo -xarch=sparc          ;;
2752                     ultrasparc)               echo -xarch=sparcvis       ;;
2753                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2754                     i586|pentium)             echo -xchip=pentium        ;;
2755                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2756                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2757                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2758                     pentium4*)          echo -xtarget=pentium4           ;;
2759                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2760                     *-sse3)             echo -xarch=sse3                 ;;
2761                     core2)              echo -xarch=ssse3 -xchip=core2   ;;
2762                     corei7)           echo -xarch=sse4_2 -xchip=nehalem  ;;
2763                     corei7-avx)       echo -xarch=avx -xchip=sandybridge ;;
2764                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;
2765                     bdver*)                    echo -xarch=avx           ;;
2766                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;
2767                     k8|opteron|athlon64|athlon-fx)
2768                                                echo -xarch=sse2a         ;;
2769                     athlon*)                   echo -xarch=pentium_proa  ;;
2770                 esac
2771                 ;;
2772             -std=c99)             echo -xc99              ;;
2773             -fomit-frame-pointer) echo -xregs=frameptr    ;;
2774             -fPIC)                echo -KPIC -xcode=pic32 ;;
2775             -W*,*)                echo $flag              ;;
2776             -f*-*|-W*|-mimpure-text)                      ;;
2777             -shared)              echo -G                 ;;
2778             *)                    echo $flag              ;;
2779         esac
2780     done
2781 }
2782
2783 tms470_flags(){
2784     for flag; do
2785         case $flag in
2786             -march=*|-mcpu=*)
2787                 case "${flag#*=}" in
2788                     armv7-a|cortex-a*)      echo -mv=7a8 ;;
2789                     armv7-r|cortex-r*)      echo -mv=7r4 ;;
2790                     armv7-m|cortex-m*)      echo -mv=7m3 ;;
2791                     armv6*|arm11*)          echo -mv=6   ;;
2792                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2793                                             echo -mv=5e  ;;
2794                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2795                 esac
2796                 ;;
2797             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2798             -mfpu=vfp)      echo --float_support=vfpv2        ;;
2799             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2800             -mfpu=vfpv3-d16) echo --float_support=vfpv3d16    ;;
2801             -msoft-float)   echo --float_support=vfplib       ;;
2802             -O[0-3]|-mf=*)  echo $flag                        ;;
2803             -g)             echo -g -mn                       ;;
2804             -pds=*)         echo $flag                        ;;
2805             -D*|-I*)        echo $flag                        ;;
2806             --gcc|--abi=*)  echo $flag                        ;;
2807             -me)            echo $flag                        ;;
2808         esac
2809     done
2810 }
2811
2812 probe_cc(){
2813     pfx=$1
2814     _cc=$2
2815
2816     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2817     unset _ld_o _ldflags _ld_lib _ld_path
2818     unset _depflags _DEPCMD _DEPFLAGS
2819     _flags_filter=echo
2820
2821     if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2822         _type=llvm_gcc
2823         gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2824         _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2825         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2826         _cflags_speed='-O3'
2827         _cflags_size='-Os'
2828     elif $_cc -v 2>&1 | grep -qi ^gcc; then
2829         _type=gcc
2830         gcc_version=$($_cc --version | head -n1)
2831         gcc_basever=$($_cc -dumpversion)
2832         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2833         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2834         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2835         if ! $_cc -dumpversion | grep -q '^2\.'; then
2836             _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2837         fi
2838         _cflags_speed='-O3'
2839         _cflags_size='-Os'
2840     elif $_cc --version 2>/dev/null | grep -q ^icc; then
2841         _type=icc
2842         _ident=$($_cc --version | head -n1)
2843         _depflags='-MMD'
2844         _cflags_speed='-O3'
2845         _cflags_size='-Os'
2846         _cflags_noopt='-O1'
2847     elif $_cc -v 2>&1 | grep -q xlc; then
2848         _type=xlc
2849         _ident=$($_cc -qversion 2>/dev/null | head -n1)
2850         _cflags_speed='-O5'
2851         _cflags_size='-O5 -qcompact'
2852     elif $_cc -V 2>/dev/null | grep -q Compaq; then
2853         _type=ccc
2854         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2855         _DEPFLAGS='-M'
2856         _cflags_speed='-fast'
2857         _cflags_size='-O1'
2858         _flags_filter=ccc_flags
2859     elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2860         test -d "$sysroot" || die "No valid sysroot specified."
2861         _type=armcc
2862         _ident=$($_cc --vsn | head -n1)
2863         armcc_conf="$PWD/armcc.conf"
2864         $_cc --arm_linux_configure                 \
2865              --arm_linux_config_file="$armcc_conf" \
2866              --configure_sysroot="$sysroot"        \
2867              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2868              die "Error creating armcc configuration file."
2869         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2870         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2871         as_default="${cross_prefix}gcc"
2872         _depflags='-MMD'
2873         _cflags_speed='-O3'
2874         _cflags_size='-Os'
2875     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2876         _type=tms470
2877         _ident=$($_cc -version | head -n1 | tr -s ' ')
2878         _flags='--gcc --abi=eabi -me'
2879         _cc_e='-ppl -fe=$@'
2880         _cc_o='-fe=$@'
2881         _depflags='-ppa -ppd=$(@:.o=.d)'
2882         _cflags_speed='-O3 -mf=5'
2883         _cflags_size='-O3 -mf=2'
2884         _flags_filter=tms470_flags
2885     elif $_cc -v 2>&1 | grep -q clang; then
2886         _type=clang
2887         _ident=$($_cc --version | head -n1)
2888         _depflags='-MMD'
2889         _cflags_speed='-O3'
2890         _cflags_size='-Os'
2891     elif $_cc -V 2>&1 | grep -q Sun; then
2892         _type=suncc
2893         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2894         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2895         _DEPFLAGS='-xM1 -xc99'
2896         _ldflags='-std=c99'
2897         _cflags_speed='-O5'
2898         _cflags_size='-O5 -xspace'
2899         _flags_filter=suncc_flags
2900     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2901         _type=pathscale
2902         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2903         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2904         _cflags_speed='-O2'
2905         _cflags_size='-Os'
2906         _flags_filter='filter_out -Wdisabled-optimization'
2907     elif $_cc -v 2>&1 | grep -q Open64; then
2908         _type=open64
2909         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2910         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2911         _cflags_speed='-O2'
2912         _cflags_size='-Os'
2913         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2914     elif $_cc -V 2>&1 | grep -q Portland; then
2915         _type=pgi
2916         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2917         opt_common='-alias=ansi -Mdse -Mlre -Mpre'
2918         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2919         _cflags_size="-O2 -Munroll=c:1 $opt_common"
2920         _cflags_noopt="-O"
2921         _flags_filter=pgi_flags
2922     elif $_cc 2>&1 | grep -q Microsoft; then
2923         _type=msvc
2924         _ident=$($cc 2>&1 | head -n1)
2925         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2926         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2927         _cflags_speed="-O2"
2928         _cflags_size="-O1"
2929         # Nonstandard output options, to avoid msys path conversion issues.
2930         # Relies on wrapper to remap it.
2931         if $_cc 2>&1 | grep -q Linker; then
2932             _ld_o='-out $@'
2933         else
2934             _ld_o='-Fe$@'
2935         fi
2936         _cc_o='-Fo $@'
2937         _cc_e='-P -Fi $@'
2938         _flags_filter=msvc_flags
2939         _ld_lib='lib%.a'
2940         _ld_path='-libpath:'
2941         _flags='-nologo'
2942         _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2943         if [ $pfx = hostcc ]; then
2944             append _cflags -Dsnprintf=_snprintf
2945         fi
2946         disable stripping
2947     elif $_cc 2>&1 | grep -q Intel; then
2948         _type=icl
2949         _ident=$($cc 2>&1 | head -n1)
2950         _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
2951         # Not only is O3 broken on 13.x+ but it is slower on all previous
2952         # versions (tested) as well.
2953         _cflags_speed="-O2"
2954         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
2955         # Nonstandard output options, to avoid msys path conversion issues.
2956         # Relies on wrapper to remap it.
2957         if $_cc 2>&1 | grep -q Linker; then
2958             _ld_o='-out $@'
2959         else
2960             _ld_o='-Fe$@'
2961         fi
2962         _cc_o='-Fo $@'
2963         _cc_e='-P'
2964         _flags_filter=icl_flags
2965         _ld_lib='lib%.a'
2966         _ld_path='-libpath:'
2967         # -Qdiag-error to make icl error when seeing certain unknown arguments
2968         _flags='-nologo -Qdiag-error:4044,10157'
2969         # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
2970         # with MSVC which enables it by default.
2971         _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
2972         if [ $pfx = hostcc ]; then
2973             append _cflags -Dsnprintf=_snprintf
2974         fi
2975     fi
2976
2977     eval ${pfx}_type=\$_type
2978     eval ${pfx}_ident=\$_ident
2979 }
2980
2981 set_ccvars(){
2982     eval ${1}_C=\${_cc_c-\${${1}_C}}
2983     eval ${1}_E=\${_cc_e-\${${1}_E}}
2984     eval ${1}_O=\${_cc_o-\${${1}_O}}
2985
2986     if [ -n "$_depflags" ]; then
2987         eval ${1}_DEPFLAGS=\$_depflags
2988     else
2989         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2990         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2991         eval DEP${1}FLAGS=\$_flags
2992     fi
2993 }
2994
2995 probe_cc cc "$cc"
2996 cflags_filter=$_flags_filter
2997 cflags_speed=$_cflags_speed
2998 cflags_size=$_cflags_size
2999 cflags_noopt=$_cflags_noopt
3000 add_cflags $_flags $_cflags
3001 cc_ldflags=$_ldflags
3002 set_ccvars CC
3003
3004 probe_cc hostcc "$host_cc"
3005 host_cflags_filter=$_flags_filter
3006 add_host_cflags  $_flags $_cflags
3007 set_ccvars HOSTCC
3008
3009 test -n "$cc_type" && enable $cc_type ||
3010     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3011
3012 : ${as_default:=$cc}
3013 : ${dep_cc_default:=$cc}
3014 : ${ld_default:=$cc}
3015 : ${host_ld_default:=$host_cc}
3016 set_default ar as dep_cc ld host_ld
3017
3018 probe_cc as "$as"
3019 asflags_filter=$_flags_filter
3020 add_asflags $_flags $_cflags
3021 set_ccvars AS
3022
3023 probe_cc ld "$ld"
3024 ldflags_filter=$_flags_filter
3025 add_ldflags $_flags $_ldflags
3026 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3027 LD_O=${_ld_o-$LD_O}
3028 LD_LIB=${_ld_lib-$LD_LIB}
3029 LD_PATH=${_ld_path-$LD_PATH}
3030
3031 probe_cc hostld "$host_ld"
3032 host_ldflags_filter=$_flags_filter
3033 add_host_ldflags $_flags $_ldflags
3034 HOSTLD_O=${_ld_o-$HOSTLD_O}
3035
3036 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3037     probe_cc depcc "$dep_cc"
3038     CCDEP=${_DEPCMD:-$DEPCMD}
3039     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3040     DEPCCFLAGS=$_flags
3041 fi
3042
3043 if $ar 2>&1 | grep -q Microsoft; then
3044     arflags="-nologo"
3045     ar_o='-out:$@'
3046 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3047     arflags="rq"
3048     ar_o='$@'
3049 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3050     arflags='-Xany -r -c'
3051     ar_o='$@'
3052 else
3053     arflags="rc"
3054     ar_o='$@'
3055 fi
3056
3057 add_cflags $extra_cflags
3058 add_cxxflags $extra_cxxflags
3059 add_asflags $extra_cflags
3060
3061 if test -n "$sysroot"; then
3062     case "$cc_type" in
3063         gcc|llvm_gcc|clang)
3064             add_cppflags --sysroot="$sysroot"
3065             add_ldflags --sysroot="$sysroot"
3066         ;;
3067         tms470)
3068             add_cppflags -I"$sysinclude"
3069             add_ldflags  --sysroot="$sysroot"
3070         ;;
3071     esac
3072 fi
3073
3074 if test "$cpu" = host; then
3075     enabled cross_compile &&
3076         die "--cpu=host makes no sense when cross-compiling."
3077
3078     case "$cc_type" in
3079         gcc|llvm_gcc)
3080             check_native(){
3081                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3082                 sed -n "/cc1.*$1=/{
3083                             s/.*$1=\\([^ ]*\\).*/\\1/
3084                             p
3085                             q
3086                         }" $TMPE
3087             }
3088             cpu=$(check_native -march || check_native -mcpu)
3089         ;;
3090     esac
3091
3092     test "${cpu:-host}" = host &&
3093         die "--cpu=host not supported with compiler $cc"
3094 fi
3095
3096 # Deal with common $arch aliases
3097 case "$arch" in
3098     aarch64|arm64)
3099         arch="aarch64"
3100     ;;
3101     arm*|iPad*|iPhone*)
3102         arch="arm"
3103     ;;
3104     mips*|IP*)
3105         arch="mips"
3106     ;;
3107     parisc*|hppa*)
3108         arch="parisc"
3109     ;;
3110     "Power Macintosh"|ppc*|powerpc*)
3111         arch="ppc"
3112     ;;
3113     s390|s390x)
3114         arch="s390"
3115     ;;
3116     sh4|sh)
3117         arch="sh4"
3118     ;;
3119     sun4u|sparc*)
3120         arch="sparc"
3121     ;;
3122     tilegx|tile-gx)
3123         arch="tilegx"
3124     ;;
3125     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3126         arch="x86"
3127     ;;
3128 esac
3129
3130 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3131 enable $arch
3132
3133 # Add processor-specific flags
3134 if enabled aarch64; then
3135
3136     case $cpu in
3137         armv*)
3138             cpuflags="-march=$cpu"
3139         ;;
3140         *)
3141             cpuflags="-mcpu=$cpu"
3142         ;;
3143     esac
3144
3145 elif enabled alpha; then
3146
3147     cpuflags="-mcpu=$cpu"
3148
3149 elif enabled arm; then
3150
3151     check_arm_arch() {
3152         check_cpp_condition stddef.h \
3153             "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3154             $cpuflags
3155     }
3156
3157     probe_arm_arch() {
3158         if   check_arm_arch 4;        then echo armv4;
3159         elif check_arm_arch 4T;       then echo armv4t;
3160         elif check_arm_arch 5;        then echo armv5;
3161         elif check_arm_arch 5E;       then echo armv5e;
3162         elif check_arm_arch 5T;       then echo armv5t;
3163         elif check_arm_arch 5TE;      then echo armv5te;
3164         elif check_arm_arch 5TEJ;     then echo armv5te;
3165         elif check_arm_arch 6;        then echo armv6;
3166         elif check_arm_arch 6J;       then echo armv6j;
3167         elif check_arm_arch 6K;       then echo armv6k;
3168         elif check_arm_arch 6Z;       then echo armv6z;
3169         elif check_arm_arch 6ZK;      then echo armv6zk;
3170         elif check_arm_arch 6T2;      then echo armv6t2;
3171         elif check_arm_arch 7;        then echo armv7;
3172         elif check_arm_arch 7A  7_A;  then echo armv7-a;
3173         elif check_arm_arch 7R  7_R;  then echo armv7-r;
3174         elif check_arm_arch 7M  7_M;  then echo armv7-m;
3175         elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3176         elif check_arm_arch 8A  8_A;  then echo armv8-a;
3177         fi
3178     }
3179
3180     [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3181
3182     case $cpu in
3183         armv*)
3184             cpuflags="-march=$cpu"
3185             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3186         ;;
3187         *)
3188             cpuflags="-mcpu=$cpu"
3189             case $cpu in
3190                 cortex-a*)                               subarch=armv7a  ;;
3191                 cortex-r*)                               subarch=armv7r  ;;
3192                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
3193                 arm11*)                                  subarch=armv6   ;;
3194                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3195                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
3196                 *)                             subarch=$(probe_arm_arch) ;;
3197             esac
3198         ;;
3199     esac
3200
3201     case "$subarch" in
3202         armv5t*)    enable fast_clz                ;;
3203         armv[6-8]*) enable fast_clz fast_unaligned ;;
3204     esac
3205
3206 elif enabled avr32; then
3207
3208     case $cpu in
3209         ap7[02]0[0-2])
3210             subarch="avr32_ap"
3211             cpuflags="-mpart=$cpu"
3212         ;;
3213         ap)
3214             subarch="avr32_ap"
3215             cpuflags="-march=$cpu"
3216         ;;
3217         uc3[ab]*)
3218             subarch="avr32_uc"
3219             cpuflags="-mcpu=$cpu"
3220         ;;
3221         uc)
3222             subarch="avr32_uc"
3223             cpuflags="-march=$cpu"
3224         ;;
3225     esac
3226
3227 elif enabled bfin; then
3228
3229     cpuflags="-mcpu=$cpu"
3230
3231 elif enabled mips; then
3232
3233     cpuflags="-march=$cpu"
3234
3235     case $cpu in
3236         24kc)
3237             disable mipsfpu
3238             disable mipsdspr1
3239             disable mipsdspr2
3240         ;;
3241         24kf*)
3242             disable mipsdspr1
3243             disable mipsdspr2
3244         ;;
3245         24kec|34kc|1004kc)
3246             disable mipsfpu
3247             disable mipsdspr2
3248         ;;
3249         24kef*|34kf*|1004kf*)
3250             disable mipsdspr2
3251         ;;
3252         74kc)
3253             disable mipsfpu
3254         ;;
3255     esac
3256
3257 elif enabled ppc; then
3258
3259     case $(tolower $cpu) in
3260         601|ppc601|powerpc601)
3261             cpuflags="-mcpu=601"
3262             disable altivec
3263         ;;
3264         603*|ppc603*|powerpc603*)
3265             cpuflags="-mcpu=603"
3266             disable altivec
3267         ;;
3268         604*|ppc604*|powerpc604*)
3269             cpuflags="-mcpu=604"
3270             disable altivec
3271         ;;
3272         g3|75*|ppc75*|powerpc75*)
3273             cpuflags="-mcpu=750"
3274             disable altivec
3275         ;;
3276         g4|745*|ppc745*|powerpc745*)
3277             cpuflags="-mcpu=7450"
3278         ;;
3279         74*|ppc74*|powerpc74*)
3280             cpuflags="-mcpu=7400"
3281         ;;
3282         g5|970|ppc970|powerpc970)
3283             cpuflags="-mcpu=970"
3284         ;;
3285         power[3-7]*)
3286             cpuflags="-mcpu=$cpu"
3287         ;;
3288         cell)
3289             cpuflags="-mcpu=cell"
3290             enable ldbrx
3291         ;;
3292         e500mc)
3293             cpuflags="-mcpu=e500mc"
3294             disable altivec
3295         ;;
3296         e500v2)
3297             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3298             disable altivec
3299         ;;
3300         e500)
3301             cpuflags="-mcpu=8540 -mhard-float"
3302             disable altivec
3303         ;;
3304     esac
3305
3306 elif enabled sparc; then
3307
3308     case $cpu in
3309         cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3310             cpuflags="-mcpu=$cpu"
3311             disable vis
3312         ;;
3313         ultrasparc*|niagara[234])
3314             cpuflags="-mcpu=$cpu"
3315         ;;
3316     esac
3317
3318 elif enabled x86; then
3319
3320     case $cpu in
3321         i[345]86|pentium)
3322             cpuflags="-march=$cpu"
3323             disable mmx
3324         ;;
3325         # targets that do NOT support nopl and conditional mov (cmov)
3326         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3327             cpuflags="-march=$cpu"
3328             disable i686
3329         ;;
3330         # targets that do support nopl and conditional mov (cmov)
3331         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3332             cpuflags="-march=$cpu"
3333             enable i686
3334             enable fast_cmov
3335         ;;
3336         # targets that do support conditional mov but on which it's slow
3337         pentium4|pentium4m|prescott|nocona)
3338             cpuflags="-march=$cpu"
3339             enable i686
3340             disable fast_cmov
3341         ;;
3342     esac
3343
3344 fi
3345
3346 if [ "$cpu" != generic ]; then
3347     add_cflags  $cpuflags
3348     add_asflags $cpuflags
3349 fi
3350
3351 # compiler sanity check
3352 check_exec <<EOF
3353 int main(void){ return 0; }
3354 EOF
3355 if test "$?" != 0; then
3356     echo "$cc is unable to create an executable file."
3357     if test -z "$cross_prefix" && ! enabled cross_compile ; then
3358         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3359         echo "Only do this if you know what cross compiling means."
3360     fi
3361     die "C compiler test failed."
3362 fi
3363
3364 add_cppflags -D_ISOC99_SOURCE
3365 add_cxxflags -D__STDC_CONSTANT_MACROS
3366 check_cflags -std=c99
3367 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3368 #include <stdlib.h>
3369 EOF
3370 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3371 #include <stdlib.h>
3372 EOF
3373
3374 check_host_cflags -std=c99
3375 check_host_cflags -Wall
3376
3377 check_64bit(){
3378     arch32=$1
3379     arch64=$2
3380     expr=$3
3381     check_code cc "" "int test[2*($expr) - 1]" &&
3382         subarch=$arch64 || subarch=$arch32
3383 }
3384
3385 case "$arch" in
3386     aarch64|alpha|ia64)
3387         spic=$shared
3388     ;;
3389     mips)
3390         check_64bit mips mips64 '_MIPS_SIM > 1'
3391         spic=$shared
3392     ;;
3393     parisc)
3394         check_64bit parisc parisc64 'sizeof(void *) > 4'
3395         spic=$shared
3396     ;;
3397     ppc)
3398         check_64bit ppc ppc64 'sizeof(void *) > 4'
3399         spic=$shared
3400     ;;
3401     sparc)
3402         check_64bit sparc sparc64 'sizeof(void *) > 4'
3403         spic=$shared
3404     ;;
3405     x86)
3406         check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3407         if test "$subarch" = "x86_64"; then
3408             spic=$shared
3409         fi
3410     ;;
3411     ppc)
3412         check_cc <<EOF && subarch="ppc64"
3413         int test[(int)sizeof(char*) - 7];
3414 EOF
3415     ;;
3416 esac
3417
3418 enable $subarch
3419 enabled spic && enable_weak pic
3420
3421 # OS specific
3422 case $target_os in
3423     aix)
3424         SHFLAGS=-shared
3425         add_cppflags '-I\$(SRC_PATH)/compat/aix'
3426         enabled shared && add_ldflags -Wl,-brtl
3427         ;;
3428     haiku)
3429         prefix_default="/boot/common"
3430         network_extralibs="-lnetwork"
3431         host_libs=
3432         ;;
3433     sunos)
3434         SHFLAGS='-shared -Wl,-h,$$(@F)'
3435         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3436         network_extralibs="-lsocket -lnsl"
3437         add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3438         # When using suncc to build, the Solaris linker will mark
3439         # an executable with each instruction set encountered by
3440         # the Solaris assembler.  As our libraries contain their own
3441         # guards for processor-specific code, instead suppress
3442         # generation of the HWCAPS ELF section on Solaris x86 only.
3443         enabled_all suncc x86 &&
3444             echo "hwcap_1 = OVERRIDE;" > mapfile &&
3445             add_ldflags -Wl,-M,mapfile
3446         nm_default='nm -P -g'
3447         ;;
3448     netbsd)
3449         disable symver
3450         oss_indev_extralibs="-lossaudio"
3451         oss_outdev_extralibs="-lossaudio"
3452         enabled gcc || check_ldflags -Wl,-zmuldefs
3453         ;;
3454     openbsd|bitrig)
3455         disable symver
3456         SHFLAGS='-shared'
3457         SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3458         SLIB_INSTALL_LINKS=
3459         oss_indev_extralibs="-lossaudio"
3460         oss_outdev_extralibs="-lossaudio"
3461         ;;
3462     dragonfly)
3463         disable symver
3464         ;;
3465     freebsd)
3466         ;;
3467     bsd/os)
3468         add_extralibs -lpoll -lgnugetopt
3469         strip="strip -d"
3470         ;;
3471     darwin)
3472         gas="gas-preprocessor.pl $cc"
3473         enabled ppc && add_asflags -force_cpusubtype_ALL
3474         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3475         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3476         strip="${strip} -x"
3477         add_ldflags -Wl,-dynamic,-search_paths_first
3478         SLIBSUF=".dylib"
3479         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3480         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3481         objformat="macho"
3482         enabled x86_64 && objformat="macho64"
3483         enabled_any pic shared ||
3484             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3485         ;;
3486     mingw32*)
3487         if test $target_os = "mingw32ce"; then
3488             disable network
3489         else
3490             target_os=mingw32
3491         fi
3492         LIBTARGET=i386
3493         if enabled x86_64; then
3494             LIBTARGET="i386:x86-64"
3495         elif enabled arm; then
3496             LIBTARGET=arm-wince
3497         fi
3498         check_ldflags -Wl,--nxcompat
3499         check_ldflags -Wl,--dynamicbase
3500         shlibdir_default="$bindir_default"
3501         SLIBPREF=""
3502         SLIBSUF=".dll"
3503         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3504         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3505         dlltool="${cross_prefix}dlltool"
3506         if check_cmd lib.exe -list; then
3507             SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3508             if enabled x86_64; then
3509                 LIBTARGET=x64
3510             fi
3511         elif check_cmd $dlltool --version; then
3512             SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3513         fi
3514         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3515         SLIB_INSTALL_LINKS=
3516         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3517         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3518         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3519         objformat="win32"
3520         ranlib=:
3521         enable dos_paths
3522         ;;
3523     win32|win64)
3524         if enabled shared; then
3525             # Link to the import library instead of the normal static library
3526             # for shared libs.
3527             LD_LIB='%.lib'
3528             # Cannot build shared and static libs at the same time with MSVC.
3529             disable static
3530         fi
3531         shlibdir_default="$bindir_default"
3532         SLIBPREF=""
3533         SLIBSUF=".dll"
3534         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3535         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3536         SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3537         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3538         SLIB_INSTALL_LINKS=
3539         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3540         SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3541         SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3542         objformat="win32"
3543         ranlib=:
3544         enable dos_paths
3545         ;;
3546     cygwin*)
3547         target_os=cygwin
3548         shlibdir_default="$bindir_default"
3549         SLIBPREF="cyg"
3550         SLIBSUF=".dll"
3551         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3552         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3553         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3554         SLIB_INSTALL_LINKS=
3555         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3556         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3557         objformat="win32"
3558         enable dos_paths
3559         ;;
3560     *-dos|freedos|opendos)
3561         network_extralibs="-lsocket"
3562         objformat="coff"
3563         enable dos_paths
3564         add_cppflags -U__STRICT_ANSI__
3565         ;;
3566     linux)
3567         enable dv1394
3568         ;;
3569     irix*)
3570         target_os=irix
3571         ranlib="echo ignoring ranlib"
3572         ;;
3573     os/2*)
3574         strip="lxlite -CS"
3575         ln_s="cp -f"
3576         objformat="aout"
3577         add_cppflags -D_GNU_SOURCE
3578         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3579         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3580         LIBSUF="_s.a"
3581         SLIBPREF=""
3582         SLIBSUF=".dll"
3583         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3584         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3585         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3586             echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3587             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3588             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3589             echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3590             emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3591         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3592             emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3593         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3594         enable dos_paths
3595         enable_weak os2threads
3596         ;;
3597     gnu/kfreebsd)
3598         add_cppflags -D_BSD_SOURCE
3599         ;;
3600     gnu)
3601         ;;
3602     qnx)
3603         add_cppflags -D_QNX_SOURCE
3604         network_extralibs="-lsocket"
3605         ;;
3606     symbian)
3607         SLIBSUF=".dll"
3608         enable dos_paths
3609         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3610         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3611         add_ldflags -Wl,--target1-abs,--no-undefined \
3612                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3613                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3614         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3615                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3616                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3617         ;;
3618     osf1)
3619         add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3620         ;;
3621     minix)
3622         ;;
3623     plan9)
3624         add_cppflags -D_C99_SNPRINTF_EXTENSION  \
3625                      -D_REENTRANT_SOURCE        \
3626                      -D_RESEARCH_SOURCE         \
3627                      -DFD_SETSIZE=96            \
3628                      -DHAVE_SOCK_OPTS
3629         add_compat strtod.o strtod=avpriv_strtod
3630         network_extralibs='-lbsd'
3631         exeobjs=compat/plan9/main.o
3632         disable ffserver
3633         cp_f='cp'
3634         ;;
3635     none)
3636         ;;
3637     *)
3638         die "Unknown OS '$target_os'."
3639         ;;
3640 esac
3641
3642 # determine libc flavour
3643
3644 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3645 if check_cpp_condition features.h "defined __UCLIBC__"; then
3646     libc_type=uclibc
3647     add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3648 elif check_cpp_condition features.h "defined __GLIBC__"; then
3649     libc_type=glibc
3650     add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3651 # MinGW headers can be installed on Cygwin, so check for newlib first.
3652 elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3653     libc_type=newlib
3654     add_cppflags -U__STRICT_ANSI__
3655 elif check_header _mingw.h; then
3656     libc_type=mingw
3657     check_cpp_condition _mingw.h \
3658         "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3659             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3660         die "ERROR: MinGW runtime version must be >= 3.15."
3661     add_cppflags -U__STRICT_ANSI__
3662     if check_cpp_condition _mingw.h "defined(__MINGW64_VERSION_MAJOR) && \
3663             __MINGW64_VERSION_MAJOR < 3"; then
3664         add_compat msvcrt/snprintf.o
3665         add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
3666     else
3667         add_cppflags -D__USE_MINGW_ANSI_STDIO=1
3668     fi
3669 elif check_func_headers stdlib.h _get_doserrno; then
3670     libc_type=msvcrt
3671     add_compat strtod.o strtod=avpriv_strtod
3672     add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \
3673                                  _snprintf=avpriv_snprintf  \
3674                                  vsnprintf=avpriv_vsnprintf
3675     # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3676     # 0x601 by default unless something else is set by the user.
3677     # This can easily lead to us detecting functions only present
3678     # in such new versions and producing binaries requiring windows 7.0.
3679     # Therefore explicitly set the default to XP unless the user has
3680     # set something else on the command line.
3681     check_cpp_condition stdlib.h "defined(_WIN32_WINNT)" || add_cppflags -D_WIN32_WINNT=0x0502
3682 elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3683     libc_type=klibc
3684 elif check_cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3685     libc_type=bionic
3686     add_compat strtod.o strtod=avpriv_strtod
3687 fi
3688
3689 test -n "$libc_type" && enable $libc_type
3690
3691 # hacks for compiler/libc/os combinations
3692
3693 if enabled_all tms470 glibc; then
3694     CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
3695     add_cppflags -D__USER_LABEL_PREFIX__=
3696     add_cppflags -D__builtin_memset=memset
3697     add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3698     add_cflags   -pds=48    # incompatible redefinition of macro
3699 fi
3700
3701 if enabled_all ccc glibc; then
3702     add_ldflags -Wl,-z,now  # calls to libots crash without this
3703 fi
3704
3705 esc(){
3706     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3707 }
3708
3709 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
3710
3711 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
3712
3713 set_default $PATHS_LIST
3714 set_default nm
3715
3716 # we need to build at least one lib type
3717 if ! enabled_any static shared; then
3718     cat <<EOF
3719 At least one library type must be built.
3720 Specify --enable-static to build the static libraries or --enable-shared to
3721 build the shared libraries as well. To only build the shared libraries specify
3722 --disable-static in addition to --enable-shared.
3723 EOF
3724     exit 1;
3725 fi
3726
3727 # backward compatibility layer for incompatible_libav/fork_abi
3728 enabled incompatible_fork_abi  && enable incompatible_libav_abi
3729 enabled incompatible_libav_abi && enable incompatible_fork_abi
3730
3731 die_license_disabled() {
3732     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3733 }
3734
3735 die_license_disabled_gpl() {
3736     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
3737 }
3738
3739 die_license_disabled gpl frei0r
3740 die_license_disabled gpl libcdio
3741 die_license_disabled gpl libutvideo
3742 die_license_disabled gpl libvidstab
3743 die_license_disabled gpl libx264
3744 die_license_disabled gpl libxavs
3745 die_license_disabled gpl libxvid
3746 die_license_disabled gpl x11grab
3747
3748 die_license_disabled nonfree libaacplus
3749 die_license_disabled nonfree libfaac
3750 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
3751 enabled gpl && die_license_disabled_gpl nonfree openssl
3752
3753 die_license_disabled version3 libopencore_amrnb
3754 die_license_disabled version3 libopencore_amrwb
3755 die_license_disabled version3 libvo_aacenc
3756 die_license_disabled version3 libvo_amrwbenc
3757
3758 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3759
3760 disabled optimizations || check_cflags -fomit-frame-pointer
3761
3762 enable_weak_pic() {
3763     disabled pic && return
3764     enable pic
3765     add_cppflags -DPIC
3766     case "$target_os" in
3767     mingw*|cygwin*)
3768         ;;
3769     *)
3770         add_cflags -fPIC
3771         ;;
3772     esac
3773     add_asflags  -fPIC
3774 }
3775
3776 enabled pic && enable_weak_pic
3777
3778 check_cc <<EOF || die "Symbol mangling check failed."
3779 int ff_extern;
3780 EOF
3781 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3782 extern_prefix=${sym%%ff_extern*}
3783
3784 check_cc <<EOF && enable_weak inline_asm
3785 void foo(void) { __asm__ volatile ("" ::); }
3786 EOF
3787
3788 _restrict=
3789 for restrict_keyword in restrict __restrict__ __restrict; do
3790     check_cc <<EOF && _restrict=$restrict_keyword && break
3791 void foo(char * $restrict_keyword p);
3792 EOF
3793 done
3794
3795 check_cc <<EOF && enable pragma_deprecated
3796 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
3797 EOF
3798
3799 check_cc <<EOF && enable attribute_packed
3800 struct { int x; } __attribute__((packed)) x;
3801 EOF
3802
3803 check_cc <<EOF && enable attribute_may_alias
3804 union { int x; } __attribute__((may_alias)) x;
3805 EOF
3806
3807 check_cc <<EOF || die "endian test failed"
3808 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3809 EOF
3810 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3811
3812 check_inline_asm inline_asm_labels '"1:\n"'
3813
3814 if enabled alpha; then
3815
3816     check_cflags -mieee
3817
3818 elif enabled arm; then
3819
3820     check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
3821 float func(float a, float b){ return a+b; }
3822 EOF
3823
3824     enabled thumb && check_cflags -mthumb || check_cflags -marm
3825     nogas=die
3826
3827     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3828         enable vfp_args
3829     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3830         case "${cross_prefix:-$cc}" in
3831             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
3832             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3833 __asm__ (".eabi_attribute 28, 1");
3834 int main(void) { return 0; }
3835 EOF
3836         esac
3837         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3838     fi
3839
3840     enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
3841     enabled armv6   && check_insn armv6   'sadd16 r0, r0, r0'
3842     enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
3843     enabled neon    && check_insn neon    'vadd.i16 q0, q0, q0'
3844     enabled vfp     && check_insn vfp     'fadds s0, s0, s0'
3845     enabled vfpv3   && check_insn vfpv3   'vmov.f32 s0, #1.0'
3846
3847     [ $target_os = linux ] ||
3848         map 'enabled_any ${v}_external ${v}_inline || disable $v' \
3849             $ARCH_EXT_LIST_ARM
3850
3851     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3852     check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
3853
3854     [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
3855
3856 elif enabled mips; then
3857
3858     check_inline_asm loongson '"dmult.g $1, $2, $3"'
3859     enabled mips32r2  && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
3860      check_inline_asm mips32r2  '"rotr $t0, $t1, 1"'
3861     enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
3862      check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
3863     enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
3864      check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
3865     enabled mipsfpu   && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
3866      check_inline_asm mipsfpu   '"madd.d $f0, $f2, $f4, $f6"'
3867
3868 elif enabled parisc; then
3869
3870     if enabled gcc; then
3871         case $($cc -dumpversion) in
3872             4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
3873         esac
3874     fi
3875
3876 elif enabled ppc; then
3877
3878     enable local_aligned_8 local_aligned_16
3879
3880     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
3881     check_inline_asm ibm_asm   '"add 0, 0, 0"'
3882     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'
3883     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
3884
3885     # AltiVec flags: The FSF version of GCC differs from the Apple version
3886     if enabled altivec; then
3887         if ! enabled_any pic ppc64; then
3888             nogas=warn
3889         fi
3890         check_cflags -maltivec -mabi=altivec &&
3891         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3892         check_cflags -faltivec
3893
3894         # check if our compiler supports Motorola AltiVec C API
3895         check_cc <<EOF || disable altivec
3896 $inc_altivec_h
3897 int main(void) {
3898     vector signed int v1 = (vector signed int) { 0 };
3899     vector signed int v2 = (vector signed int) { 1 };
3900     v1 = vec_add(v1, v2);
3901     return 0;
3902 }
3903 EOF
3904
3905         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
3906     fi
3907
3908 elif enabled sparc; then
3909
3910     enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
3911
3912 elif enabled x86; then
3913
3914     check_builtin rdtsc    intrin.h   "__rdtsc()"
3915     check_builtin mm_empty mmintrin.h "_mm_empty()"
3916
3917     enable local_aligned_8 local_aligned_16
3918
3919     # check whether EBP is available on x86
3920     # As 'i' is stored on the stack, this program will crash
3921     # if the base pointer is used to access it because the
3922     # base pointer is cleared in the inline assembly code.
3923     check_exec_crash <<EOF && enable ebp_available
3924 volatile int i=0;
3925 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
3926 return i;
3927 EOF
3928
3929     # check whether EBX is available on x86
3930     check_inline_asm ebx_available '""::"b"(0)' &&
3931         check_inline_asm ebx_available '"":::"%ebx"'
3932
3933     # check whether xmm clobbers are supported
3934     check_inline_asm xmm_clobbers '"":::"%xmm0"'
3935
3936     # check whether binutils is new enough to compile SSSE3/MMXEXT
3937     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'
3938     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
3939
3940     if ! disabled_any asm mmx yasm; then
3941         if check_cmd $yasmexe --version; then
3942             enabled x86_64 && yasm_extra="-m amd64"
3943             yasm_debug="-g dwarf2"
3944         elif check_cmd nasm -v; then
3945             yasmexe=nasm
3946             yasm_debug="-g -F dwarf"
3947             enabled x86_64 && test "$objformat" = elf && objformat=elf64
3948         fi
3949
3950         YASMFLAGS="-f $objformat $yasm_extra"
3951         enabled pic               && append YASMFLAGS "-DPIC"
3952         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
3953         case "$objformat" in
3954             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3955         esac
3956
3957         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3958             die "yasm not found, use --disable-yasm for a crippled build"
3959         check_yasm "vextractf128 xmm0, ymm0, 0"      || disable avx_external avresample
3960         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
3961         check_yasm "CPU amdnop" && enabled i686 && enable cpunop
3962     fi
3963
3964     case "$cpu" in
3965         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3966             disable fast_clz
3967         ;;
3968     esac
3969
3970 fi
3971
3972 if enabled asm; then
3973     as=${gas:=$as}
3974     check_as <<EOF && enable gnu_as || \
3975         $nogas "GNU assembler not found, install gas-preprocessor"
3976 .macro m n
3977 \n: .int 0
3978 .endm
3979 m x
3980 EOF
3981 fi
3982
3983 check_ldflags -Wl,--as-needed
3984
3985 if check_func dlopen; then
3986     ldl=
3987 elif check_func dlopen -ldl; then
3988     ldl=-ldl
3989 fi
3990
3991 if ! disabled network; then
3992     check_type "sys/types.h sys/socket.h" socklen_t
3993     check_type netdb.h "struct addrinfo"
3994     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
3995     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
3996     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3997     check_type netinet/in.h "struct sockaddr_in6"
3998     check_type poll.h "struct pollfd"
3999     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4000     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4001     check_type netinet/sctp.h "struct sctp_event_subscribe"
4002     check_func getaddrinfo $network_extralibs
4003     check_func getservbyport $network_extralibs
4004     # Prefer arpa/inet.h over winsock2
4005     if check_header arpa/inet.h ; then
4006         check_func closesocket
4007     elif check_header winsock2.h ; then
4008         check_func_headers winsock2.h closesocket -lws2 &&
4009             network_extralibs="-lws2" ||
4010         { check_func_headers winsock2.h closesocket -lws2_32 &&
4011             network_extralibs="-lws2_32"; }
4012         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4013         check_type ws2tcpip.h socklen_t
4014         check_type ws2tcpip.h "struct addrinfo"
4015         check_type ws2tcpip.h "struct group_source_req"
4016         check_type ws2tcpip.h "struct ip_mreq_source"
4017         check_type ws2tcpip.h "struct ipv6_mreq"
4018         check_type winsock2.h "struct pollfd"
4019         check_type ws2tcpip.h "struct sockaddr_in6"
4020         check_type ws2tcpip.h "struct sockaddr_storage"
4021         check_struct winsock2.h "struct sockaddr" sa_len
4022     else
4023         disable network
4024     fi
4025 fi
4026
4027 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4028 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
4029
4030 check_func  access
4031 check_func  clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
4032 check_func  fcntl
4033 check_func  fork
4034 check_func_headers stdlib.h getenv
4035 check_func  gethrtime
4036 check_func  getopt
4037 check_func  getrusage
4038 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4039 check_func  gettimeofday
4040 check_func  inet_aton $network_extralibs
4041 check_func  isatty
4042 check_func  localtime_r
4043 check_func  ${malloc_prefix}memalign            && enable memalign
4044 check_func  mkstemp
4045 check_func  mmap
4046 check_func  mprotect
4047 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
4048 check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc
4049 check_func  setrlimit
4050 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
4051 check_func  strerror_r
4052 check_func  sched_getaffinity
4053 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4054 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4055 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4056 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4057 check_builtin sarestart signal.h "SA_RESTART"
4058 check_func  sysconf
4059 check_func  sysctl
4060 check_func  usleep
4061 check_func_headers conio.h kbhit
4062 check_func_headers windows.h PeekNamedPipe
4063 check_func_headers io.h setmode
4064 check_func_headers lzo/lzo1x.h lzo1x_999_compress
4065 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4066 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4067 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4068 check_func_headers windows.h GetProcessAffinityMask
4069 check_func_headers windows.h GetProcessTimes
4070 check_func_headers windows.h GetSystemTimeAsFileTime
4071 check_func_headers windows.h MapViewOfFile
4072 check_func_headers windows.h SetConsoleTextAttribute
4073 check_func_headers windows.h Sleep
4074 check_func_headers windows.h VirtualAlloc
4075 check_func_headers glob.h glob
4076 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
4077
4078 check_header cl/cl.h
4079 check_header direct.h
4080 check_header dlfcn.h
4081 check_header dxva.h
4082 check_header dxva2api.h -D_WIN32_WINNT=0x0600
4083 check_header io.h
4084 check_header libcrystalhd/libcrystalhd_if.h
4085 check_header malloc.h
4086 check_header poll.h
4087 check_header sys/mman.h
4088 check_header sys/param.h
4089 check_header sys/resource.h
4090 check_header sys/select.h
4091 check_header sys/time.h
4092 check_header sys/un.h
4093 check_header termios.h
4094 check_header unistd.h
4095 check_header vdpau/vdpau.h
4096 check_header vdpau/vdpau_x11.h
4097 check_header VideoDecodeAcceleration/VDADecoder.h
4098 check_header windows.h
4099 check_header X11/extensions/XvMClib.h
4100 check_header asm/types.h
4101
4102 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
4103 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4104
4105 if ! disabled w32threads && ! enabled pthreads; then
4106     check_func_headers "windows.h process.h" _beginthreadex && enable w32threads
4107 fi
4108
4109 # check for some common methods of building with pthread support
4110 # do this before the optional library checks as some of them require pthreads
4111 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
4112     enable pthreads
4113     if check_func pthread_create; then
4114         :
4115     elif check_func pthread_create -pthread; then
4116         add_cflags -pthread
4117         add_extralibs -pthread
4118     elif check_func pthread_create -pthreads; then
4119         add_cflags -pthreads
4120         add_extralibs -pthreads
4121     elif check_func pthread_create -lpthreadGC2; then
4122         add_extralibs -lpthreadGC2
4123     elif ! check_lib pthread.h pthread_create -lpthread; then
4124         disable pthreads
4125     fi
4126 fi
4127
4128 for thread in $THREADS_LIST; do
4129     if enabled $thread; then
4130         test -n "$thread_type" &&
4131             die "ERROR: Only one thread type must be selected." ||
4132             thread_type="$thread"
4133     fi
4134 done
4135
4136 if enabled pthreads; then
4137   check_func pthread_cancel
4138 fi
4139
4140 enabled sync_val_compare_and_swap && enable atomics_gcc
4141 enabled_all atomic_cas_ptr machine_rw_barrier && enable atomics_suncc
4142 enabled MemoryBarrier && enable atomics_win32
4143
4144 check_lib math.h sin -lm && LIBM="-lm"
4145 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
4146
4147 atan2f_args=2
4148 ldexpf_args=2
4149 powf_args=2
4150
4151 for func in $MATH_FUNCS; do
4152     eval check_mathfunc $func \${${func}_args:-1}
4153 done
4154
4155 # these are off by default, so fail if requested and not available
4156 enabled avisynth          && { { check_lib2 "windows.h" LoadLibrary; } ||
4157                                { check_lib2 "dlfcn.h" dlopen -ldl; } ||
4158                                die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
4159 enabled fontconfig        && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4160 enabled frei0r            && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4161 enabled gnutls            && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4162 enabled libiec61883       && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
4163 enabled libaacplus        && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
4164 enabled libass            && require_pkg_config libass ass/ass.h ass_library_init
4165 enabled libbluray         && require libbluray libbluray/bluray.h bd_open -lbluray
4166 enabled libcelt           && require libcelt celt/celt.h celt_decode -lcelt0 &&
4167                              { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
4168                                die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
4169 enabled libcaca           && require_pkg_config caca caca.h caca_create_canvas
4170 enabled libfaac           && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4171 enabled libfdk_aac        && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
4172 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"
4173 enabled libflite          && require2 libflite "flite/flite.h" flite_init $flite_libs
4174 enabled libfreetype       && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
4175 enabled libgme            && require  libgme gme/gme.h gme_new_emu -lgme
4176 enabled libgsm            && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4177                                    check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4178                                done || die "ERROR: libgsm not found"; }
4179 enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4180 enabled libmodplug        && require libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
4181 enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4182 enabled libnut            && require libnut libnut.h nut_demuxer_init -lnut
4183 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4184 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4185 enabled libopencv         && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
4186 enabled libopenjpeg       && { check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg ||
4187                                check_lib openjpeg.h opj_version -lopenjpeg ||
4188                                die "ERROR: libopenjpeg not found"; }
4189 enabled libopus           && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4190 enabled libpulse          && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4191 enabled libquvi           && require_pkg_config libquvi quvi/quvi.h quvi_init
4192 enabled librtmp           && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4193 enabled libschroedinger   && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4194 enabled libshine          && require_pkg_config shine shine/layer3.h shine_encode_buffer
4195 enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr
4196 enabled libspeex          && require libspeex speex/speex.h speex_decoder_init -lspeex
4197 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
4198     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
4199     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
4200 enabled libtheora         && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4201 enabled libtwolame        && require libtwolame twolame.h twolame_init -ltwolame &&
4202                              { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
4203                                die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
4204 enabled libutvideo        && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
4205 enabled libv4l2           && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
4206 enabled libvidstab        && require_pkg_config vidstab vid.stab/libvidstab.h vsMotionDetectInit
4207 enabled libvo_aacenc      && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4208 enabled libvo_amrwbenc    && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4209 enabled libvorbis         && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4210 enabled libvpx            && {
4211     enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
4212                                     die "ERROR: libvpx decoder version must be >=0.9.1"; }
4213     enabled libvpx_vp8_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
4214                                     die "ERROR: libvpx encoder version must be >=0.9.7"; }
4215     enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
4216     enabled libvpx_vp9_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx" -lvpx || disable libvpx_vp9_encoder; } }
4217 enabled libwavpack        && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput  -lwavpack
4218 enabled libx264           && require libx264 x264.h x264_encoder_encode -lx264 &&
4219                              { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4220                                die "ERROR: libx264 must be installed and version must be >= 0.118."; }
4221 enabled libxavs           && require libxavs xavs.h xavs_encoder_encode -lxavs
4222 enabled libxvid           && require libxvid xvid.h xvid_global -lxvidcore
4223 enabled libzmq            && require_pkg_config libzmq zmq.h zmq_ctx_new
4224 enabled openal            && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
4225                                check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
4226                                die "ERROR: openal not found"; } &&
4227                              { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
4228                                die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
4229 enabled opencl            && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
4230                                check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
4231                                die "ERROR: opencl not found"; } &&
4232                              { enabled_any w32threads os2threads &&
4233                                die "opencl currently needs --enable-pthreads or --disable-w32threads"; } &&
4234                              { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
4235                                check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
4236                                die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
4237 enabled openssl           && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
4238                                check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
4239                                check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
4240                                die "ERROR: openssl not found"; }
4241
4242 if enabled gnutls; then
4243     { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
4244     { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
4245 fi
4246
4247 # libdc1394 check
4248 if enabled libdc1394; then
4249     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
4250         enable libdc1394_2; } ||
4251     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
4252         enable libdc1394_1; } ||
4253     die "ERROR: No version of libdc1394 found "
4254 fi
4255
4256 SDL_CONFIG="${cross_prefix}sdl-config"
4257 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
4258     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4259     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4260     enable sdl
4261 else
4262   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
4263     sdl_cflags=$("${SDL_CONFIG}" --cflags)
4264     sdl_libs=$("${SDL_CONFIG}" --libs)
4265     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
4266     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4267     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4268     enable sdl
4269   fi
4270 fi
4271 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
4272
4273 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
4274 makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
4275 perl --version > /dev/null 2>&1 && enable perl || disable perl
4276 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
4277 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
4278
4279 check_header linux/fb.h
4280 check_header linux/videodev.h
4281 check_header linux/videodev2.h
4282 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
4283
4284 check_header sys/videoio.h
4285
4286 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
4287 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
4288 # w32api 3.12 had it defined wrong
4289 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
4290
4291 check_type "dshow.h" IBaseFilter
4292
4293 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
4294 { check_header dev/bktr/ioctl_meteor.h &&
4295   check_header dev/bktr/ioctl_bt848.h; } ||
4296 { check_header machine/ioctl_meteor.h &&
4297   check_header machine/ioctl_bt848.h; } ||
4298 { check_header dev/video/meteor/ioctl_meteor.h &&
4299   check_header dev/video/bktr/ioctl_bt848.h; } ||
4300 check_header dev/ic/bt8xx.h
4301
4302 check_header sndio.h
4303 if check_struct sys/soundcard.h audio_buf_info bytes; then
4304     enable_safe sys/soundcard.h
4305 else
4306     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
4307     #include <sys/soundcard.h>
4308     audio_buf_info abc;
4309 EOF
4310 fi
4311 check_header soundcard.h
4312
4313 enabled_any alsa_indev alsa_outdev &&
4314     check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
4315
4316 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
4317     check_func jack_port_get_latency_range -ljack
4318
4319 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
4320
4321 if enabled libcdio; then
4322     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4323     check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4324     die "ERROR: libcdio-paranoia not found"
4325 fi
4326
4327 enabled x11grab                                           &&
4328 require X11 X11/Xlib.h XOpenDisplay -lX11                 &&
4329 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
4330 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
4331
4332 enabled vaapi &&
4333     check_lib va/va.h vaInitialize -lva ||
4334     disable vaapi
4335
4336 enabled vdpau &&
4337     check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
4338     disable vdpau
4339
4340 # Funny iconv installations are not unusual, so check it after all flags have been set
4341 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
4342
4343 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
4344
4345 # add some useful compiler flags if supported
4346 check_cflags -Wdeclaration-after-statement
4347 check_cflags -Wall
4348 check_cflags -Wno-parentheses
4349 check_cflags -Wno-switch
4350 check_cflags -Wno-format-zero-length
4351 check_cflags -Wdisabled-optimization
4352 check_cflags -Wpointer-arith
4353 check_cflags -Wredundant-decls
4354 check_cflags -Wno-pointer-sign
4355 check_cflags -Wwrite-strings
4356 check_cflags -Wtype-limits
4357 check_cflags -Wundef
4358 check_cflags -Wmissing-prototypes
4359 check_cflags -Wno-pointer-to-int-cast
4360 check_cflags -Wstrict-prototypes
4361 enabled extra_warnings && check_cflags -Winline
4362
4363 # add some linker flags
4364 check_ldflags -Wl,--warn-common
4365 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
4366 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
4367
4368 enabled xmm_clobber_test &&
4369     check_ldflags -Wl,--wrap,avcodec_open2              \
4370                   -Wl,--wrap,avcodec_decode_audio4      \
4371                   -Wl,--wrap,avcodec_decode_video2      \
4372                   -Wl,--wrap,avcodec_decode_subtitle2   \
4373                   -Wl,--wrap,avcodec_encode_audio2      \
4374                   -Wl,--wrap,avcodec_encode_video       \
4375                   -Wl,--wrap,avcodec_encode_subtitle    \
4376                   -Wl,--wrap,sws_scale ||
4377     disable xmm_clobber_test
4378
4379 echo "X{};" > $TMPV
4380 if test_ldflags -Wl,--version-script,$TMPV; then
4381     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
4382     check_cc <<EOF && enable symver_asm_label
4383 void ff_foo(void) __asm__ ("av_foo@VERSION");
4384 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
4385 EOF
4386     check_cc <<EOF && enable symver_gnu_asm
4387 __asm__(".symver ff_foo,av_foo@VERSION");
4388 void ff_foo(void) {}
4389 EOF
4390 fi
4391
4392 if [ -z "$optflags" ]; then
4393     if enabled small; then
4394         optflags=$cflags_size
4395     elif enabled optimizations; then
4396         optflags=$cflags_speed
4397     else
4398         optflags=$cflags_noopt
4399     fi
4400 fi
4401
4402 check_optflags(){
4403     check_cflags "$@"
4404     enabled lto && check_ldflags "$@"
4405 }
4406
4407
4408 if enabled lto; then
4409     test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
4410     check_cflags  -flto
4411     check_ldflags -flto $cpuflags
4412 fi
4413
4414 check_optflags $optflags
4415 check_optflags -fno-math-errno
4416 check_optflags -fno-signed-zeros
4417
4418 enabled ftrapv && check_cflags -ftrapv
4419
4420 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
4421 int x;
4422 EOF
4423
4424
4425 if enabled icc; then
4426     # Just warnings, no remarks
4427     check_cflags -w1
4428     # -wd: Disable following warnings
4429     # 144, 167, 556: -Wno-pointer-sign
4430     # 188: enumerated type mixed with another type
4431     # 1292: attribute "foo" ignored
4432     # 1419: external declaration in primary source file
4433     # 10006: ignoring unknown option -fno-signed-zeros
4434     # 10148: ignoring unknown option -Wno-parentheses
4435     # 10156: ignoring option '-W'; no argument required
4436     check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156
4437     # 11030: Warning unknown option --as-needed
4438     # 10156: ignoring option '-export'; no argument required
4439     check_ldflags -wd10156,11030
4440     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
4441     enable ebp_available
4442     if enabled x86_32; then
4443         icc_version=$($cc -dumpversion)
4444         test ${icc_version%%.*} -ge 11 &&
4445             check_cflags -falign-stack=maintain-16-byte ||
4446             disable aligned_stack
4447     fi
4448 elif enabled ccc; then
4449     # disable some annoying warnings
4450     add_cflags -msg_disable bitnotint
4451     add_cflags -msg_disable mixfuncvoid
4452     add_cflags -msg_disable nonstandcast
4453     add_cflags -msg_disable unsupieee
4454 elif enabled gcc; then
4455     check_optflags -fno-tree-vectorize
4456     check_cflags -Werror=implicit-function-declaration
4457     check_cflags -Werror=missing-prototypes
4458     check_cflags -Werror=return-type
4459     check_cflags -Werror=vla
4460 elif enabled llvm_gcc; then
4461     check_cflags -mllvm -stack-alignment=16
4462 elif enabled clang; then
4463     check_cflags -mllvm -stack-alignment=16
4464     check_cflags -Qunused-arguments
4465     check_cflags -Werror=implicit-function-declaration
4466     check_cflags -Werror=missing-prototypes
4467     check_cflags -Werror=return-type
4468 elif enabled armcc; then
4469     # 2523: use of inline assembler is deprecated
4470     add_cflags -W${armcc_opt},--diag_suppress=2523
4471     add_cflags -W${armcc_opt},--diag_suppress=1207
4472     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
4473     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
4474     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
4475     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
4476 elif enabled tms470; then
4477     add_cflags -pds=824 -pds=837
4478 elif enabled pathscale; then
4479     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
4480 elif enabled_any msvc icl; then
4481     enabled x86_32 && disable aligned_stack
4482     enabled_all x86_32 debug && add_cflags -Oy-
4483     enabled debug && add_ldflags -debug
4484     if enabled icl; then
4485         # basically -fstrict-aliasing that does not work (correctly) on icl 13.x
4486         check_cpp_condition "windows.h" "__ICL < 1300" && add_cflags -Qansi-alias
4487         # icl will pass the inline asm tests but inline asm is currently
4488         # not supported (build will fail)
4489         disable inline_asm
4490     fi
4491 fi
4492
4493 case $target_os in
4494     osf1)
4495         enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
4496     ;;
4497     plan9)
4498         add_cppflags -Dmain=plan9_main
4499     ;;
4500 esac
4501
4502 enable frame_thread_encoder
4503 enabled_any $THREADS_LIST      && enable threads
4504 enabled_any $ATOMICS_LIST      && enable atomics_native
4505
4506 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
4507
4508 check_deps $CONFIG_LIST       \
4509            $CONFIG_EXTRA      \
4510            $HAVE_LIST         \
4511            $ALL_COMPONENTS    \
4512
4513
4514 if test $target_os = "haiku"; then
4515     disable memalign
4516     disable posix_memalign
4517 fi
4518
4519 ! enabled_any memalign posix_memalign aligned_malloc &&
4520     enabled_any $need_memalign && enable memalign_hack
4521
4522 # add_dep lib dep
4523 # -> enable ${lib}_deps_${dep}
4524 # -> add $dep to ${lib}_deps only once
4525 add_dep() {
4526     lib=$1
4527     dep=$2
4528     enabled "${lib}_deps_${dep}" && return 0
4529     enable  "${lib}_deps_${dep}"
4530     prepend "${lib}_deps" $dep
4531 }
4532
4533 # merge deps lib components
4534 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
4535 merge_deps() {
4536     lib=$1
4537     shift
4538     for comp in $*; do
4539         enabled $comp || continue
4540         eval "dep=\"\$${comp}_deps\""
4541         for d in $dep; do
4542             add_dep $lib $d
4543         done
4544     done
4545 }
4546
4547 merge_deps libavfilter $FILTER_LIST
4548
4549 echo "install prefix            $prefix"
4550 echo "source path               $source_path"
4551 echo "C compiler                $cc"
4552 echo "ARCH                      $arch ($cpu)"
4553 if test "$build_suffix" != ""; then
4554     echo "build suffix              $build_suffix"
4555 fi
4556 if test "$progs_suffix" != ""; then
4557     echo "progs suffix              $progs_suffix"
4558 fi
4559 if test "$extra_version" != ""; then
4560     echo "version string suffix     $extra_version"
4561 fi
4562 echo "big-endian                ${bigendian-no}"
4563 echo "runtime cpu detection     ${runtime_cpudetect-no}"
4564 if enabled x86; then
4565     echo "${yasmexe}                      ${yasm-no}"
4566     echo "MMX enabled               ${mmx-no}"
4567     echo "MMXEXT enabled            ${mmxext-no}"
4568     echo "3DNow! enabled            ${amd3dnow-no}"
4569     echo "3DNow! extended enabled   ${amd3dnowext-no}"
4570     echo "SSE enabled               ${sse-no}"
4571     echo "SSSE3 enabled             ${ssse3-no}"
4572     echo "AVX enabled               ${avx-no}"
4573     echo "FMA4 enabled              ${fma4-no}"
4574     echo "i686 features enabled     ${i686-no}"
4575     echo "CMOV is fast              ${fast_cmov-no}"
4576     echo "EBX available             ${ebx_available-no}"
4577     echo "EBP available             ${ebp_available-no}"
4578 fi
4579 if enabled arm; then
4580     echo "ARMv5TE enabled           ${armv5te-no}"
4581     echo "ARMv6 enabled             ${armv6-no}"
4582     echo "ARMv6T2 enabled           ${armv6t2-no}"
4583     echo "VFP enabled               ${vfp-no}"
4584     echo "NEON enabled              ${neon-no}"
4585     echo "THUMB enabled             ${thumb-no}"
4586 fi
4587 if enabled mips; then
4588     echo "MIPS FPU enabled          ${mipsfpu-no}"
4589     echo "MIPS32R2 enabled          ${mips32r2-no}"
4590     echo "MIPS DSP R1 enabled       ${mipsdspr1-no}"
4591     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"
4592 fi
4593 if enabled ppc; then
4594     echo "AltiVec enabled           ${altivec-no}"
4595     echo "PPC 4xx optimizations     ${ppc4xx-no}"
4596     echo "dcbzl available           ${dcbzl-no}"
4597 fi
4598 if enabled sparc; then
4599     echo "VIS enabled               ${vis-no}"
4600 fi
4601 echo "debug symbols             ${debug-no}"
4602 echo "strip symbols             ${stripping-no}"
4603 echo "optimize for size         ${small-no}"
4604 echo "optimizations             ${optimizations-no}"
4605 echo "static                    ${static-no}"
4606 echo "shared                    ${shared-no}"
4607 echo "postprocessing support    ${postproc-no}"
4608 echo "new filter support        ${avfilter-no}"
4609 echo "network support           ${network-no}"
4610 echo "threading support         ${thread_type-no}"
4611 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
4612 echo "SDL support               ${sdl-no}"
4613 echo "opencl enabled            ${opencl-no}"
4614 echo "texi2html enabled         ${texi2html-no}"
4615 echo "perl enabled              ${perl-no}"
4616 echo "pod2man enabled           ${pod2man-no}"
4617 echo "makeinfo enabled          ${makeinfo-no}"
4618 test -n "$random_seed" &&
4619     echo "random seed               ${random_seed}"
4620 echo
4621
4622 echo "External libraries:"
4623 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
4624 echo
4625
4626 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
4627     echo "Enabled ${type}s:"
4628     eval list=\$$(toupper $type)_LIST
4629     print_enabled '_*' $list | print_3_columns
4630     echo
4631 done
4632
4633 license="LGPL version 2.1 or later"
4634 if enabled nonfree; then
4635     license="nonfree and unredistributable"
4636 elif enabled gplv3; then
4637     license="GPL version 3 or later"
4638 elif enabled lgplv3; then
4639     license="LGPL version 3 or later"
4640 elif enabled gpl; then
4641     license="GPL version 2 or later"
4642 fi
4643
4644 echo "License: $license"
4645
4646 echo "Creating config.mak, config.h, and doc/config.texi..."
4647
4648 test -e Makefile || $ln_s "$source_path/Makefile" .
4649
4650 enabled stripping || strip="echo skipping strip"
4651
4652 config_files="$TMPH config.mak doc/config.texi"
4653
4654 cat > config.mak <<EOF
4655 # Automatically generated by configure - do not modify!
4656 ifndef FFMPEG_CONFIG_MAK
4657 FFMPEG_CONFIG_MAK=1
4658 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
4659 prefix=$prefix
4660 LIBDIR=\$(DESTDIR)$libdir
4661 SHLIBDIR=\$(DESTDIR)$shlibdir
4662 INCDIR=\$(DESTDIR)$incdir
4663 BINDIR=\$(DESTDIR)$bindir
4664 DATADIR=\$(DESTDIR)$datadir
4665 MANDIR=\$(DESTDIR)$mandir
4666 SRC_PATH=$source_path
4667 ifndef MAIN_MAKEFILE
4668 SRC_PATH:=\$(SRC_PATH:.%=..%)
4669 endif
4670 CC_IDENT=$cc_ident
4671 ARCH=$arch
4672 CC=$cc
4673 CXX=$cxx
4674 AS=$as
4675 LD=$ld
4676 DEPCC=$dep_cc
4677 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
4678 DEPAS=$as
4679 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
4680 YASM=$yasmexe
4681 DEPYASM=$yasmexe
4682 AR=$ar
4683 ARFLAGS=$arflags
4684 AR_O=$ar_o
4685 RANLIB=$ranlib
4686 CP=cp -p
4687 LN_S=$ln_s
4688 STRIP=$strip
4689 CPPFLAGS=$CPPFLAGS
4690 CFLAGS=$CFLAGS
4691 CXXFLAGS=$CXXFLAGS
4692 ASFLAGS=$ASFLAGS
4693 AS_C=$AS_C
4694 AS_O=$AS_O
4695 CC_C=$CC_C
4696 CC_E=$CC_E
4697 CC_O=$CC_O
4698 CXX_C=$CXX_C
4699 CXX_O=$CXX_O
4700 LD_O=$LD_O
4701 LD_LIB=$LD_LIB
4702 LD_PATH=$LD_PATH
4703 DLLTOOL=$dlltool
4704 LDFLAGS=$LDFLAGS
4705 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
4706 YASMFLAGS=$YASMFLAGS
4707 BUILDSUF=$build_suffix
4708 PROGSSUF=$progs_suffix
4709 FULLNAME=$FULLNAME
4710 LIBPREF=$LIBPREF
4711 LIBSUF=$LIBSUF
4712 LIBNAME=$LIBNAME
4713 SLIBPREF=$SLIBPREF
4714 SLIBSUF=$SLIBSUF
4715 EXESUF=$EXESUF
4716 EXTRA_VERSION=$extra_version
4717 CCDEP=$CCDEP
4718 CXXDEP=$CXXDEP
4719 CCDEP_FLAGS=$CCDEP_FLAGS
4720 ASDEP=$ASDEP
4721 ASDEP_FLAGS=$ASDEP_FLAGS
4722 CC_DEPFLAGS=$CC_DEPFLAGS
4723 AS_DEPFLAGS=$AS_DEPFLAGS
4724 HOSTCC=$host_cc
4725 HOSTLD=$host_ld
4726 HOSTCFLAGS=$host_cflags
4727 HOSTCPPFLAGS=$host_cppflags
4728 HOSTEXESUF=$HOSTEXESUF
4729 HOSTLDFLAGS=$host_ldflags
4730 HOSTLIBS=$host_libs
4731 DEPHOSTCC=$host_cc
4732 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
4733 HOSTCCDEP=$HOSTCCDEP
4734 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
4735 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
4736 HOSTCC_C=$HOSTCC_C
4737 HOSTCC_O=$HOSTCC_O
4738 HOSTLD_O=$HOSTLD_O
4739 TARGET_EXEC=$target_exec $target_exec_args
4740 TARGET_PATH=$target_path
4741 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
4742 LIBS-ffplay=$sdl_libs
4743 CFLAGS-ffplay=$sdl_cflags
4744 ZLIB=$($ldflags_filter -lz)
4745 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
4746 EXTRALIBS=$extralibs
4747 COMPAT_OBJS=$compat_objs
4748 EXEOBJS=$exeobjs
4749 INSTALL=$install
4750 LIBTARGET=${LIBTARGET}
4751 SLIBNAME=${SLIBNAME}
4752 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
4753 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
4754 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
4755 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
4756 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
4757 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
4758 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
4759 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
4760 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
4761 NOREDZONE_FLAGS=$noredzone_flags
4762 EOF
4763
4764 get_version(){
4765     lcname=lib${1}
4766     name=$(toupper $lcname)
4767     file=$source_path/$lcname/version.h
4768     eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
4769     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4770     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4771     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4772     eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
4773 }
4774
4775 map 'get_version $v' $LIBRARY_LIST
4776
4777 cat > $TMPH <<EOF
4778 /* Automatically generated by configure - do not modify! */
4779 #ifndef FFMPEG_CONFIG_H
4780 #define FFMPEG_CONFIG_H
4781 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
4782 #define FFMPEG_LICENSE "$(c_escape $license)"
4783 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
4784 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
4785 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
4786 #define av_restrict $_restrict
4787 #