lavfi: add zmq filters
[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
106 Program options:
107   --disable-programs       do not build command line programs
108   --disable-ffmpeg         disable ffmpeg build
109   --disable-ffplay         disable ffplay build
110   --disable-ffprobe        disable ffprobe build
111   --disable-ffserver       disable ffserver build
112
113 Documentation options:
114   --disable-doc            do not build documentation
115   --disable-htmlpages      do not build HTML documentation pages
116   --disable-manpages       do not build man documentation pages
117   --disable-podpages       do not build POD documentation pages
118   --disable-txtpages       do not build text documentation pages
119
120 Component options:
121   --disable-avdevice       disable libavdevice build
122   --disable-avcodec        disable libavcodec build
123   --disable-avformat       disable libavformat build
124   --disable-avutil         disable libavutil build
125   --disable-swresample     disable libswresample build
126   --disable-swscale        disable libswscale build
127   --disable-postproc       disable libpostproc build
128   --disable-avfilter       disable libavfilter build
129   --enable-avresample      enable libavresample build [no]
130   --disable-pthreads       disable pthreads [auto]
131   --disable-w32threads     disable Win32 threads [auto]
132   --disable-os2threads     disable OS/2 threads [auto]
133   --disable-network        disable network support [no]
134   --disable-dct            disable DCT code
135   --disable-dwt            disable DWT code
136   --disable-error-resilience disable error resilience code
137   --disable-lsp            disable LSP code
138   --disable-lzo            disable LZO decoder code
139   --disable-mdct           disable MDCT code
140   --disable-rdft           disable RDFT code
141   --disable-fft            disable FFT code
142
143 Hardware accelerators:
144   --disable-dxva2          disable DXVA2 code [autodetect]
145   --enable-vaapi           enable VAAPI code
146   --enable-vda             enable VDA code
147   --disable-vdpau          disable VDPAU code [autodetect]
148
149 Individual component options:
150   --disable-everything     disable all components listed below
151   --disable-encoder=NAME   disable encoder NAME
152   --enable-encoder=NAME    enable encoder NAME
153   --disable-encoders       disable all encoders
154   --disable-decoder=NAME   disable decoder NAME
155   --enable-decoder=NAME    enable decoder NAME
156   --disable-decoders       disable all decoders
157   --disable-hwaccel=NAME   disable hwaccel NAME
158   --enable-hwaccel=NAME    enable hwaccel NAME
159   --disable-hwaccels       disable all hwaccels
160   --disable-muxer=NAME     disable muxer NAME
161   --enable-muxer=NAME      enable muxer NAME
162   --disable-muxers         disable all muxers
163   --disable-demuxer=NAME   disable demuxer NAME
164   --enable-demuxer=NAME    enable demuxer NAME
165   --disable-demuxers       disable all demuxers
166   --enable-parser=NAME     enable parser NAME
167   --disable-parser=NAME    disable parser NAME
168   --disable-parsers        disable all parsers
169   --enable-bsf=NAME        enable bitstream filter NAME
170   --disable-bsf=NAME       disable bitstream filter NAME
171   --disable-bsfs           disable all bitstream filters
172   --enable-protocol=NAME   enable protocol NAME
173   --disable-protocol=NAME  disable protocol NAME
174   --disable-protocols      disable all protocols
175   --enable-indev=NAME      enable input device NAME
176   --disable-indev=NAME     disable input device NAME
177   --disable-indevs         disable input devices
178   --enable-outdev=NAME     enable output device NAME
179   --disable-outdev=NAME    disable output device NAME
180   --disable-outdevs        disable output devices
181   --disable-devices        disable all devices
182   --enable-filter=NAME     enable filter NAME
183   --disable-filter=NAME    disable filter NAME
184   --disable-filters        disable all filters
185
186 External library support:
187   --enable-avisynth        enable reading of AVISynth script files [no]
188   --disable-bzlib          disable bzlib [autodetect]
189   --enable-fontconfig      enable fontconfig
190   --enable-frei0r          enable frei0r video filtering
191   --enable-gnutls          enable gnutls [no]
192   --disable-iconv          disable iconv [autodetect]
193   --enable-libaacplus      enable AAC+ encoding via libaacplus [no]
194   --enable-libass          enable libass subtitles rendering [no]
195   --enable-libbluray       enable BluRay reading using libbluray [no]
196   --enable-libcaca         enable textual display using libcaca
197   --enable-libcelt         enable CELT decoding via libcelt [no]
198   --enable-libcdio         enable audio CD grabbing with libcdio
199   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
200                            and libraw1394 [no]
201   --enable-libfaac         enable AAC encoding via libfaac [no]
202   --enable-libfdk-aac      enable AAC encoding via libfdk-aac [no]
203   --enable-libflite        enable flite (voice synthesis) support via libflite [no]
204   --enable-libfreetype     enable libfreetype [no]
205   --enable-libgsm          enable GSM de/encoding via libgsm [no]
206   --enable-libiec61883     enable iec61883 via libiec61883 [no]
207   --enable-libilbc         enable iLBC de/encoding via libilbc [no]
208   --enable-libmodplug      enable ModPlug via libmodplug [no]
209   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
210   --enable-libnut          enable NUT (de)muxing via libnut,
211                            native (de)muxer exists [no]
212   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
213   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
214   --enable-libopencv       enable video filtering via libopencv [no]
215   --enable-libopenjpeg     enable JPEG 2000 de/encoding via OpenJPEG [no]
216   --enable-libopus         enable Opus decoding via libopus [no]
217   --enable-libpulse        enable Pulseaudio input via libpulse [no]
218   --enable-libquvi         enable quvi input via libquvi [no]
219   --enable-librtmp         enable RTMP[E] support via librtmp [no]
220   --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
221   --enable-libshine        enable fixed-point MP3 encoding via libshine [no]
222   --enable-libsoxr         enable Include libsoxr resampling [no]
223   --enable-libspeex        enable Speex de/encoding via libspeex [no]
224   --enable-libstagefright-h264  enable H.264 decoding via libstagefright [no]
225   --enable-libtheora       enable Theora encoding via libtheora [no]
226   --enable-libtwolame      enable MP2 encoding via libtwolame [no]
227   --enable-libutvideo      enable Ut Video encoding and decoding via libutvideo [no]
228   --enable-libv4l2         enable libv4l2/v4l-utils [no]
229   --enable-libvidstab      enable video stabilization using vid.stab [no]
230   --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
231   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
232   --enable-libvorbis       enable Vorbis en/decoding via libvorbis,
233                            native implementation exists [no]
234   --enable-libvpx          enable VP8 and VP9 de/encoding via libvpx [no]
235   --enable-libx264         enable H.264 encoding via x264 [no]
236   --enable-libxavs         enable AVS encoding via xavs [no]
237   --enable-libxvid         enable Xvid encoding via xvidcore,
238                            native MPEG-4/Xvid encoder exists [no]
239   --enable-libzmq          enable message passing via libzmq [no]
240   --enable-openal          enable OpenAL 1.1 capture support [no]
241   --enable-opencl          enable OpenCL code
242   --enable-openssl         enable openssl [no]
243   --enable-x11grab         enable X11 grabbing [no]
244   --disable-zlib           disable zlib [autodetect]
245
246 Advanced options (experts only):
247   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
248   --enable-cross-compile   assume a cross-compiler is used
249   --sysroot=PATH           root of cross-build tree
250   --sysinclude=PATH        location of cross-build system headers
251   --target-os=OS           compiler targets OS [$target_os]
252   --target-exec=CMD        command to run executables on target
253   --target-path=DIR        path to view of build directory on target
254   --toolchain=NAME         set tool defaults according to NAME
255   --nm=NM                  use nm tool NM [$nm_default]
256   --ar=AR                  use archive tool AR [$ar_default]
257   --as=AS                  use assembler AS [$as_default]
258   --yasmexe=EXE            use yasm-compatible assembler EXE [$yasmexe_default]
259   --cc=CC                  use C compiler CC [$cc_default]
260   --cxx=CXX                use C compiler CXX [$cxx_default]
261   --dep-cc=DEPCC           use dependency generator DEPCC [$cc_default]
262   --ld=LD                  use linker LD [$ld_default]
263   --host-cc=HOSTCC         use host C compiler HOSTCC
264   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
265   --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
266   --host-ld=HOSTLD         use host linker HOSTLD
267   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
268   --host-libs=HLIBS        use libs HLIBS when linking for host
269   --host-os=OS             compiler host OS [$target_os]
270   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
271   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
272   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
273   --extra-libs=ELIBS       add ELIBS [$ELIBS]
274   --extra-version=STRING   version string suffix []
275   --optflags=OPTFLAGS      override optimization-related compiler flags
276   --build-suffix=SUFFIX    library name suffix []
277   --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX
278   --progs-suffix=SUFFIX    program name suffix []
279   --arch=ARCH              select architecture [$arch]
280   --cpu=CPU                select the minimum required CPU (affects
281                            instruction selection, may crash on older CPUs)
282   --enable-pic             build position-independent code
283   --enable-sram            allow use of on-chip SRAM
284   --enable-thumb           compile for Thumb instruction set
285   --disable-symver         disable symbol versioning
286   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
287   --disable-safe-bitstream-reader
288                            disable buffer boundary checking in bitreaders
289                            (faster, but may crash)
290   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
291   --enable-lto             use link-time optimization
292
293 Optimization options (experts only):
294   --disable-asm            disable all assembler optimizations
295   --disable-altivec        disable AltiVec optimizations
296   --disable-amd3dnow       disable 3DNow! optimizations
297   --disable-amd3dnowext    disable 3DNow! extended optimizations
298   --disable-mmx            disable MMX optimizations
299   --disable-mmxext         disable MMXEXT optimizations
300   --disable-sse            disable SSE optimizations
301   --disable-sse2           disable SSE2 optimizations
302   --disable-sse3           disable SSE3 optimizations
303   --disable-ssse3          disable SSSE3 optimizations
304   --disable-sse4           disable SSE4 optimizations
305   --disable-sse42          disable SSE4.2 optimizations
306   --disable-avx            disable AVX optimizations
307   --disable-fma4           disable FMA4 optimizations
308   --disable-armv5te        disable armv5te optimizations
309   --disable-armv6          disable armv6 optimizations
310   --disable-armv6t2        disable armv6t2 optimizations
311   --disable-vfp            disable VFP optimizations
312   --disable-neon           disable NEON optimizations
313   --disable-vis            disable VIS optimizations
314   --disable-inline-asm     disable use of inline assembler
315   --disable-yasm           disable use of yasm assembler
316   --disable-mips32r2       disable MIPS32R2 optimizations
317   --disable-mipsdspr1      disable MIPS DSP ASE R1 optimizations
318   --disable-mipsdspr2      disable MIPS DSP ASE R2 optimizations
319   --disable-mipsfpu        disable floating point MIPS optimizations
320   --disable-fast-unaligned consider unaligned accesses slow
321
322 Developer options (useful when working on FFmpeg itself):
323   --disable-debug          disable debugging symbols
324   --enable-debug=LEVEL     set the debug level [$debuglevel]
325   --disable-optimizations  disable compiler optimizations
326   --enable-extra-warnings  enable more compiler warnings
327   --disable-stripping      disable stripping of executables and shared libraries
328   --assert-level=level     0(default), 1 or 2, amount of assertion testing,
329                            2 causes a slowdown at runtime.
330   --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
331   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory
332                            leaks and errors, using the specified valgrind binary.
333                            Cannot be combined with --target-exec
334   --enable-ftrapv          Trap arithmetic overflows
335   --samples=PATH           location of test samples for FATE, if not set use
336                            \$FATE_SAMPLES at make invocation time.
337   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
338                            should be used only for debugging purposes)
339   --enable-random          randomly enable/disable components
340   --disable-random
341   --enable-random=LIST     randomly enable/disable specific components or
342   --disable-random=LIST    component groups. LIST is a comma-separated list
343                            of NAME[:PROB] entries where NAME is a component
344                            (group) and PROB the probability associated with
345                            NAME (default 0.5).
346   --random-seed=VALUE      seed value for --enable/disable-random
347
348 NOTE: Object files are built at the place where configure is launched.
349 EOF
350   exit 0
351 }
352
353 quotes='""'
354
355 log(){
356     echo "$@" >> $logfile
357 }
358
359 log_file(){
360     log BEGIN $1
361     pr -n -t $1 >> $logfile
362     log END $1
363 }
364
365 echolog(){
366     log "$@"
367     echo "$@"
368 }
369
370 warn(){
371     log "WARNING: $*"
372     WARNINGS="${WARNINGS}WARNING: $*\n"
373 }
374
375 die(){
376     echolog "$@"
377     cat <<EOF
378
379 If you think configure made a mistake, make sure you are using the latest
380 version from Git.  If the latest version fails, report the problem to the
381 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
382 EOF
383     if disabled logging; then
384         cat <<EOF
385 Rerun configure with logging enabled (do not use --disable-logging), and
386 include the log this produces with your report.
387 EOF
388     else
389         cat <<EOF
390 Include the log file "$logfile" produced by configure as this will help
391 solving the problem.
392 EOF
393     fi
394     exit 1
395 }
396
397 # Avoid locale weirdness, besides we really just want to translate ASCII.
398 toupper(){
399     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
400 }
401
402 tolower(){
403     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
404 }
405
406 c_escape(){
407     echo "$*" | sed 's/["\\]/\\\0/g'
408 }
409
410 sh_quote(){
411     v=$(echo "$1" | sed "s/'/'\\\\''/g")
412     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
413     echo "$v"
414 }
415
416 cleanws(){
417     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
418 }
419
420 filter(){
421     pat=$1
422     shift
423     for v; do
424         eval "case $v in $pat) echo $v ;; esac"
425     done
426 }
427
428 filter_out(){
429     pat=$1
430     shift
431     for v; do
432         eval "case $v in $pat) ;; *) echo $v ;; esac"
433     done
434 }
435
436 map(){
437     m=$1
438     shift
439     for v; do eval $m; done
440 }
441
442 add_suffix(){
443     suffix=$1
444     shift
445     for v; do echo ${v}${suffix}; done
446 }
447
448 set_all(){
449     value=$1
450     shift
451     for var in $*; do
452         eval $var=$value
453     done
454 }
455
456 set_weak(){
457     value=$1
458     shift
459     for var; do
460         eval : \${$var:=$value}
461     done
462 }
463
464 sanitize_var_name(){
465     echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
466 }
467
468 set_safe(){
469     var=$1
470     shift
471     eval $(sanitize_var_name "$var")='$*'
472 }
473
474 get_safe(){
475     eval echo \$$(sanitize_var_name "$1")
476 }
477
478 pushvar(){
479     for pvar in $*; do
480         eval level=\${${pvar}_level:=0}
481         eval ${pvar}_${level}="\$$pvar"
482         eval ${pvar}_level=$(($level+1))
483     done
484 }
485
486 popvar(){
487     for pvar in $*; do
488         eval level=\${${pvar}_level:-0}
489         test $level = 0 && continue
490         eval level=$(($level-1))
491         eval $pvar="\${${pvar}_${level}}"
492         eval ${pvar}_level=$level
493         eval unset ${pvar}_${level}
494     done
495 }
496
497 enable(){
498     set_all yes $*
499 }
500
501 disable(){
502     set_all no $*
503 }
504
505 enable_weak(){
506     set_weak yes $*
507 }
508
509 disable_weak(){
510     set_weak no $*
511 }
512
513 enable_safe(){
514     for var; do
515         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
516     done
517 }
518
519 disable_safe(){
520     for var; do
521         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
522     done
523 }
524
525 do_enable_deep(){
526     for var; do
527         enabled $var && continue
528         eval sel="\$${var}_select"
529         eval sgs="\$${var}_suggest"
530         pushvar var sgs
531         enable_deep $sel
532         popvar sgs
533         enable_deep_weak $sgs
534         popvar var
535     done
536 }
537
538 enable_deep(){
539     do_enable_deep $*
540     enable $*
541 }
542
543 enable_deep_weak(){
544     for var; do
545         disabled $var && continue
546         pushvar var
547         do_enable_deep $var
548         popvar var
549         enable_weak $var
550     done
551 }
552
553 enabled(){
554     test "${1#!}" = "$1" && op== || op=!=
555     eval test "x\$${1#!}" $op "xyes"
556 }
557
558 disabled(){
559     test "${1#!}" = "$1" && op== || op=!=
560     eval test "x\$${1#!}" $op "xno"
561 }
562
563 enabled_all(){
564     for opt; do
565         enabled $opt || return 1
566     done
567 }
568
569 disabled_all(){
570     for opt; do
571         disabled $opt || return 1
572     done
573 }
574
575 enabled_any(){
576     for opt; do
577         enabled $opt && return 0
578     done
579 }
580
581 disabled_any(){
582     for opt; do
583         disabled $opt && return 0
584     done
585     return 1
586 }
587
588 set_default(){
589     for opt; do
590         eval : \${$opt:=\$${opt}_default}
591     done
592 }
593
594 is_in(){
595     value=$1
596     shift
597     for var in $*; do
598         [ $var = $value ] && return 0
599     done
600     return 1
601 }
602
603 do_check_deps(){
604     for cfg; do
605         cfg="${cfg#!}"
606         enabled ${cfg}_checking && die "Circular dependency for $cfg."
607         disabled ${cfg}_checking && continue
608         enable ${cfg}_checking
609         append allopts $cfg
610
611         eval dep_all="\$${cfg}_deps"
612         eval dep_any="\$${cfg}_deps_any"
613         eval dep_sel="\$${cfg}_select"
614         eval dep_sgs="\$${cfg}_suggest"
615         eval dep_ifa="\$${cfg}_if"
616         eval dep_ifn="\$${cfg}_if_any"
617
618         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
619         do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
620         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
621
622         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
623         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
624         enabled_all  $dep_all || disable $cfg
625         enabled_any  $dep_any || disable $cfg
626         disabled_any $dep_sel && disable $cfg
627
628         if enabled $cfg; then
629             enable_deep $dep_sel
630             enable_deep_weak $dep_sgs
631         fi
632
633         disable ${cfg}_checking
634     done
635 }
636
637 check_deps(){
638     unset allopts
639
640     do_check_deps "$@"
641
642     for cfg in $allopts; do
643         enabled $cfg || continue
644         eval dep_extralibs="\$${cfg}_extralibs"
645         test -n "$dep_extralibs" && add_extralibs $dep_extralibs
646     done
647 }
648
649 print_config(){
650     pfx=$1
651     files=$2
652     shift 2
653     map 'eval echo "$v \${$v:-no}"' "$@" |
654     awk "BEGIN { split(\"$files\", files) }
655         {
656             c = \"$pfx\" toupper(\$1);
657             v = \$2;
658             sub(/yes/, 1, v);
659             sub(/no/,  0, v);
660             for (f in files) {
661                 file = files[f];
662                 if (file ~ /\\.h\$/) {
663                     printf(\"#define %s %d\\n\", c, v) >>file;
664                 } else if (file ~ /\\.asm\$/) {
665                     printf(\"%%define %s %d\\n\", c, v) >>file;
666                 } else if (file ~ /\\.mak\$/) {
667                     n = -v ? \"\" : \"!\";
668                     printf(\"%s%s=yes\\n\", n, c) >>file;
669                 } else if (file ~ /\\.texi\$/) {
670                     pre = -v ? \"\" : \"@c \";
671                     yesno = \$2;
672                     c2 = tolower(c);
673                     gsub(/_/, \"-\", c2);
674                     printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
675                 }
676             }
677         }"
678 }
679
680 print_enabled(){
681     suf=$1
682     shift
683     for v; do
684         enabled $v && printf "%s\n" ${v%$suf};
685     done
686 }
687
688 append(){
689     var=$1
690     shift
691     eval "$var=\"\$$var $*\""
692 }
693
694 prepend(){
695     var=$1
696     shift
697     eval "$var=\"$* \$$var\""
698 }
699
700 add_cppflags(){
701     append CPPFLAGS "$@"
702 }
703
704 add_cflags(){
705     append CFLAGS $($cflags_filter "$@")
706 }
707
708 add_cxxflags(){
709     append CXXFLAGS $($cflags_filter "$@")
710 }
711
712 add_asflags(){
713     append ASFLAGS $($asflags_filter "$@")
714 }
715
716 add_ldflags(){
717     append LDFLAGS $($ldflags_filter "$@")
718 }
719
720 add_extralibs(){
721     prepend extralibs $($ldflags_filter "$@")
722 }
723
724 add_host_cppflags(){
725     append host_cppflags "$@"
726 }
727
728 add_host_cflags(){
729     append host_cflags $($host_cflags_filter "$@")
730 }
731
732 add_host_ldflags(){
733     append host_ldflags $($host_ldflags_filter "$@")
734 }
735
736 add_compat(){
737     append compat_objs $1
738     shift
739     map 'add_cppflags -D$v' "$@"
740 }
741
742 check_cmd(){
743     log "$@"
744     "$@" >> $logfile 2>&1
745 }
746
747 cc_o(){
748     eval printf '%s\\n' $CC_O
749 }
750
751 cc_e(){
752     eval printf '%s\\n' $CC_E
753 }
754
755 check_cc(){
756     log check_cc "$@"
757     cat > $TMPC
758     log_file $TMPC
759     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
760 }
761
762 check_cxx(){
763     log check_cxx "$@"
764     cat > $TMPCPP
765     log_file $TMPCPP
766     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
767 }
768
769 check_cpp(){
770     log check_cpp "$@"
771     cat > $TMPC
772     log_file $TMPC
773     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
774 }
775
776 as_o(){
777     eval printf '%s\\n' $AS_O
778 }
779
780 check_as(){
781     log check_as "$@"
782     cat > $TMPS
783     log_file $TMPS
784     check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
785 }
786
787 check_inline_asm(){
788     log check_inline_asm "$@"
789     name="$1"
790     code="$2"
791     shift 2
792     disable $name
793     check_cc "$@" <<EOF && enable $name
794 void foo(void){ __asm__ volatile($code); }
795 EOF
796 }
797
798 check_insn(){
799     log check_insn "$@"
800     check_inline_asm ${1}_inline "\"$2\""
801     echo "$2" | check_as && enable ${1}_external || disable ${1}_external
802 }
803
804 check_yasm(){
805     log check_yasm "$@"
806     echo "$1" > $TMPS
807     log_file $TMPS
808     shift 1
809     check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
810 }
811
812 ld_o(){
813     eval printf '%s\\n' $LD_O
814 }
815
816 check_ld(){
817     log check_ld "$@"
818     type=$1
819     shift 1
820     flags=$(filter_out '-l*|*.so' $@)
821     libs=$(filter '-l*|*.so' $@)
822     check_$type $($cflags_filter $flags) || return
823     flags=$($ldflags_filter $flags)
824     libs=$($ldflags_filter $libs)
825     check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
826 }
827
828 check_code(){
829     log check_code "$@"
830     check=$1
831     headers=$2
832     code=$3
833     shift 3
834     {
835         for hdr in $headers; do
836             echo "#include <$hdr>"
837         done
838         echo "int main(void) { $code; return 0; }"
839     } | check_$check "$@"
840 }
841
842 check_cppflags(){
843     log check_cppflags "$@"
844     check_cc "$@" <<EOF && append CPPFLAGS "$@"
845 int x;
846 EOF
847 }
848
849 check_cflags(){
850     log check_cflags "$@"
851     set -- $($cflags_filter "$@")
852     check_cc "$@" <<EOF && append CFLAGS "$@"
853 int x;
854 EOF
855 }
856
857 check_cxxflags(){
858     log check_cxxflags "$@"
859     set -- $($cflags_filter "$@")
860     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
861 int x;
862 EOF
863 }
864
865 test_ldflags(){
866     log test_ldflags "$@"
867     check_ld "cc" "$@" <<EOF
868 int main(void){ return 0; }
869 EOF
870 }
871
872 check_ldflags(){
873     log check_ldflags "$@"
874     test_ldflags "$@" && add_ldflags "$@"
875 }
876
877 check_header(){
878     log check_header "$@"
879     header=$1
880     shift
881     disable_safe $header
882     check_cpp "$@" <<EOF && enable_safe $header
883 #include <$header>
884 int x;
885 EOF
886 }
887
888 check_func(){
889     log check_func "$@"
890     func=$1
891     shift
892     disable $func
893     check_ld "cc" "$@" <<EOF && enable $func
894 extern int $func();
895 int main(void){ $func(); }
896 EOF
897 }
898
899 check_mathfunc(){
900     log check_mathfunc "$@"
901     func=$1
902     narg=$2
903     shift 2
904     test $narg = 2 && args="f, g" || args="f"
905     disable $func
906     check_ld "cc" "$@" <<EOF && enable $func
907 #include <math.h>
908 float foo(float f, float g) { return $func($args); }
909 int main(void){ return (int) foo; }
910 EOF
911 }
912
913 check_func_headers(){
914     log check_func_headers "$@"
915     headers=$1
916     funcs=$2
917     shift 2
918     {
919         for hdr in $headers; do
920             echo "#include <$hdr>"
921         done
922         for func in $funcs; do
923             echo "long check_$func(void) { return (long) $func; }"
924         done
925         echo "int main(void) { return 0; }"
926     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
927 }
928
929 check_class_headers_cpp(){
930     log check_class_headers_cpp "$@"
931     headers=$1
932     classes=$2
933     shift 2
934     {
935         for hdr in $headers; do
936             echo "#include <$hdr>"
937         done
938         echo "int main(void) { "
939         i=1
940         for class in $classes; do
941             echo "$class obj$i;"
942             i=$(expr $i + 1)
943         done
944         echo "return 0; }"
945     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
946 }
947
948 check_cpp_condition(){
949     log check_cpp_condition "$@"
950     header=$1
951     condition=$2
952     shift 2
953     check_cpp "$@" <<EOF
954 #include <$header>
955 #if !($condition)
956 #error "unsatisfied condition: $condition"
957 #endif
958 EOF
959 }
960
961 check_lib(){
962     log check_lib "$@"
963     header="$1"
964     func="$2"
965     shift 2
966     check_header $header && check_func $func "$@" && add_extralibs "$@"
967 }
968
969 check_lib2(){
970     log check_lib2 "$@"
971     headers="$1"
972     funcs="$2"
973     shift 2
974     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
975 }
976
977 check_lib_cpp(){
978     log check_lib_cpp "$@"
979     headers="$1"
980     classes="$2"
981     shift 2
982     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
983 }
984
985 check_pkg_config(){
986     log check_pkg_config "$@"
987     pkg="$1"
988     headers="$2"
989     funcs="$3"
990     shift 3
991     $pkg_config --exists $pkg 2>/dev/null || return
992     pkg_cflags=$($pkg_config --cflags $pkg)
993     pkg_libs=$($pkg_config --libs $pkg)
994     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
995         set_safe ${pkg}_cflags $pkg_cflags   &&
996         set_safe ${pkg}_libs   $pkg_libs
997 }
998
999 check_exec(){
1000     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1001 }
1002
1003 check_exec_crash(){
1004     code=$(cat)
1005
1006     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
1007     # are safe but may not be available everywhere.  Thus we use
1008     # raise(SIGTERM) instead.  The check is run in a subshell so we
1009     # can redirect the "Terminated" message from the shell.  SIGBUS
1010     # is not defined by standard C so it is used conditionally.
1011
1012     (check_exec "$@") >> $logfile 2>&1 <<EOF
1013 #include <signal.h>
1014 static void sighandler(int sig){
1015     raise(SIGTERM);
1016 }
1017 int func(void){
1018     $code
1019 }
1020 int (*func_ptr)(void) = func;
1021 int main(void){
1022     signal(SIGILL, sighandler);
1023     signal(SIGFPE, sighandler);
1024     signal(SIGSEGV, sighandler);
1025 #ifdef SIGBUS
1026     signal(SIGBUS, sighandler);
1027 #endif
1028     return func_ptr();
1029 }
1030 EOF
1031 }
1032
1033 check_type(){
1034     log check_type "$@"
1035     headers=$1
1036     type=$2
1037     shift 2
1038     disable_safe "$type"
1039     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1040 }
1041
1042 check_struct(){
1043     log check_struct "$@"
1044     headers=$1
1045     struct=$2
1046     member=$3
1047     shift 3
1048     disable_safe "${struct}_${member}"
1049     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1050         enable_safe "${struct}_${member}"
1051 }
1052
1053 check_builtin(){
1054     log check_builtin "$@"
1055     name=$1
1056     headers=$2
1057     builtin=$3
1058     shift 3
1059     disable "$name"
1060     check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1061 }
1062
1063 require(){
1064     name="$1"
1065     header="$2"
1066     func="$3"
1067     shift 3
1068     check_lib $header $func "$@" || die "ERROR: $name not found"
1069 }
1070
1071 require2(){
1072     name="$1"
1073     headers="$2"
1074     func="$3"
1075     shift 3
1076     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1077 }
1078
1079 require_cpp(){
1080     name="$1"
1081     headers="$2"
1082     classes="$3"
1083     shift 3
1084     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1085 }
1086
1087 require_pkg_config(){
1088     pkg="$1"
1089     check_pkg_config "$@" || die "ERROR: $pkg not found"
1090     add_cflags    $(get_safe ${pkg}_cflags)
1091     add_extralibs $(get_safe ${pkg}_libs)
1092 }
1093
1094 hostcc_o(){
1095     eval printf '%s\\n' $HOSTCC_O
1096 }
1097
1098 check_host_cc(){
1099     log check_host_cc "$@"
1100     cat > $TMPC
1101     log_file $TMPC
1102     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1103 }
1104
1105 check_host_cppflags(){
1106     log check_host_cppflags "$@"
1107     check_host_cc "$@" <<EOF && append host_cppflags "$@"
1108 int x;
1109 EOF
1110 }
1111
1112 check_host_cflags(){
1113     log check_host_cflags "$@"
1114     set -- $($host_cflags_filter "$@")
1115     check_host_cc "$@" <<EOF && append host_cflags "$@"
1116 int x;
1117 EOF
1118 }
1119
1120 apply(){
1121     file=$1
1122     shift
1123     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1124 }
1125
1126 cp_if_changed(){
1127     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1128     mkdir -p "$(dirname $2)"
1129     $cp_f "$1" "$2"
1130 }
1131
1132 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1133 # system-dependent things.
1134
1135 COMPONENT_LIST="
1136     bsfs
1137     decoders
1138     demuxers
1139     encoders
1140     filters
1141     hwaccels
1142     indevs
1143     muxers
1144     outdevs
1145     parsers
1146     protocols
1147 "
1148
1149 EXTERNAL_LIBRARY_LIST="
1150     avisynth
1151     bzlib
1152     crystalhd
1153     fontconfig
1154     frei0r
1155     gnutls
1156     iconv
1157     libaacplus
1158     libass
1159     libbluray
1160     libcaca
1161     libcdio
1162     libcelt
1163     libdc1394
1164     libfaac
1165     libfdk_aac
1166     libflite
1167     libfreetype
1168     libgsm
1169     libiec61883
1170     libilbc
1171     libmodplug
1172     libmp3lame
1173     libnut
1174     libopencore_amrnb
1175     libopencore_amrwb
1176     libopencv
1177     libopenjpeg
1178     libopus
1179     libpulse
1180     libquvi
1181     librtmp
1182     libschroedinger
1183     libshine
1184     libsoxr
1185     libspeex
1186     libstagefright_h264
1187     libtheora
1188     libtwolame
1189     libutvideo
1190     libv4l2
1191     libvidstab
1192     libvo_aacenc
1193     libvo_amrwbenc
1194     libvorbis
1195     libvpx
1196     libx264
1197     libxavs
1198     libxvid
1199     libzmq
1200     openal
1201     opencl
1202     openssl
1203     x11grab
1204     zlib
1205 "
1206
1207 DOCUMENT_LIST="
1208     doc
1209     htmlpages
1210     manpages
1211     podpages
1212     txtpages
1213 "
1214
1215 HWACCEL_LIST="
1216     dxva2
1217     vaapi
1218     vda
1219     vdpau
1220 "
1221
1222 LIBRARY_LIST="
1223     avcodec
1224     avdevice
1225     avfilter
1226     avformat
1227     avresample
1228     avutil
1229     postproc
1230     swresample
1231     swscale
1232 "
1233
1234 PROGRAM_LIST="
1235     ffplay
1236     ffprobe
1237     ffserver
1238     ffmpeg
1239 "
1240
1241 CONFIG_LIST="
1242     $COMPONENT_LIST
1243     $DOCUMENT_LIST
1244     $EXTERNAL_LIBRARY_LIST
1245     $HWACCEL_LIST
1246     $LIBRARY_LIST
1247     $PROGRAM_LIST
1248     dct
1249     dwt
1250     error_resilience
1251     fast_unaligned
1252     fft
1253     ftrapv
1254     gpl
1255     gray
1256     hardcoded_tables
1257     incompatible_fork_abi
1258     lsp
1259     lzo
1260     mdct
1261     memalign_hack
1262     memory_poisoning
1263     network
1264     nonfree
1265     pic
1266     rdft
1267     runtime_cpudetect
1268     safe_bitstream_reader
1269     shared
1270     small
1271     sram
1272     static
1273     swscale_alpha
1274     thumb
1275     version3
1276     xmm_clobber_test
1277 "
1278
1279 THREADS_LIST='
1280     pthreads
1281     w32threads
1282     os2threads
1283 '
1284
1285 ATOMICS_LIST='
1286     atomics_gcc
1287     atomics_suncc
1288     atomics_win32
1289 '
1290
1291 ARCH_LIST='
1292     aarch64
1293     alpha
1294     arm
1295     avr32
1296     avr32_ap
1297     avr32_uc
1298     bfin
1299     ia64
1300     m68k
1301     mips
1302     mips64
1303     parisc
1304     ppc
1305     ppc64
1306     s390
1307     sh4
1308     sparc
1309     sparc64
1310     tilegx
1311     tilepro
1312     tomi
1313     x86
1314     x86_32
1315     x86_64
1316 '
1317
1318 ARCH_EXT_LIST_ARM='
1319     armv5te
1320     armv6
1321     armv6t2
1322     neon
1323     vfp
1324     vfpv3
1325 '
1326
1327 ARCH_EXT_LIST_X86='
1328     amd3dnow
1329     amd3dnowext
1330     avx
1331     fma4
1332     mmx
1333     mmxext
1334     sse
1335     sse2
1336     sse3
1337     sse4
1338     sse42
1339     ssse3
1340 '
1341
1342 ARCH_EXT_LIST="
1343     $ARCH_EXT_LIST_ARM
1344     $ARCH_EXT_LIST_X86
1345     altivec
1346     ppc4xx
1347     vis
1348     mipsfpu
1349     mips32r2
1350     mipsdspr1
1351     mipsdspr2
1352 "
1353
1354 HAVE_LIST_CMDLINE='
1355     inline_asm
1356     symver
1357     yasm
1358 '
1359
1360 HAVE_LIST_PUB='
1361     bigendian
1362     fast_unaligned
1363     incompatible_fork_abi
1364 '
1365
1366 MATH_FUNCS="
1367     atanf
1368     atan2f
1369     cbrt
1370     cbrtf
1371     cosf
1372     exp2
1373     exp2f
1374     expf
1375     isinf
1376     isnan
1377     ldexpf
1378     llrint
1379     llrintf
1380     log2
1381     log2f
1382     log10f
1383     lrint
1384     lrintf
1385     powf
1386     rint
1387     round
1388     roundf
1389     sinf
1390     trunc
1391     truncf
1392 "
1393
1394 HAVE_LIST="
1395     $ARCH_EXT_LIST
1396     $(add_suffix _external $ARCH_EXT_LIST)
1397     $(add_suffix _inline   $ARCH_EXT_LIST)
1398     $HAVE_LIST_CMDLINE
1399     $HAVE_LIST_PUB
1400     $THREADS_LIST
1401     $ATOMICS_LIST
1402     $MATH_FUNCS
1403     access
1404     aligned_malloc
1405     aligned_stack
1406     alsa_asoundlib_h
1407     altivec_h
1408     arpa_inet_h
1409     asm_mod_q
1410     asm_mod_y
1411     asm_types_h
1412     atomic_cas_ptr
1413     atomics_native
1414     attribute_may_alias
1415     attribute_packed
1416     cdio_paranoia_h
1417     cdio_paranoia_paranoia_h
1418     CL_cl_h
1419     clock_gettime
1420     closesocket
1421     CommandLineToArgvW
1422     cpunop
1423     CryptGenRandom
1424     dcbzl
1425     dev_bktr_ioctl_bt848_h
1426     dev_bktr_ioctl_meteor_h
1427     dev_ic_bt8xx_h
1428     dev_video_bktr_ioctl_bt848_h
1429     dev_video_meteor_ioctl_meteor_h
1430     direct_h
1431     dlfcn_h
1432     dlopen
1433     dos_paths
1434     dxva_h
1435     ebp_available
1436     ebx_available
1437     fast_64bit
1438     fast_clz
1439     fast_cmov
1440     fcntl
1441     fork
1442     getaddrinfo
1443     gethrtime
1444     getopt
1445     GetProcessAffinityMask
1446     GetProcessMemoryInfo
1447     GetProcessTimes
1448     GetSystemTimeAsFileTime
1449     getrusage
1450     getservbyport
1451     gettimeofday
1452     glob
1453     gnu_as
1454     gsm_h
1455     i686
1456     ibm_asm
1457     inet_aton
1458     io_h
1459     isatty
1460     jack_port_get_latency_range
1461     kbhit
1462     ldbrx
1463     libdc1394_1
1464     libdc1394_2
1465     local_aligned_16
1466     local_aligned_8
1467     localtime_r
1468     loongson
1469     lzo1x_999_compress
1470     machine_ioctl_bt848_h
1471     machine_ioctl_meteor_h
1472     machine_rw_barrier
1473     makeinfo
1474     malloc_h
1475     MapViewOfFile
1476     memalign
1477     MemoryBarrier
1478     mkstemp
1479     mm_empty
1480     mmap
1481     mprotect
1482     msvcrt
1483     nanosleep
1484     openjpeg_1_5_openjpeg_h
1485     PeekNamedPipe
1486     perl
1487     pod2man
1488     poll_h
1489     posix_memalign
1490     pthread_cancel
1491     rdtsc
1492     rsync_contimeout
1493     sched_getaffinity
1494     sdl
1495     SetConsoleTextAttribute
1496     setmode
1497     setrlimit
1498     Sleep
1499     sndio_h
1500     socklen_t
1501     soundcard_h
1502     strerror_r
1503     struct_addrinfo
1504     struct_group_source_req
1505     struct_ip_mreq_source
1506     struct_ipv6_mreq
1507     struct_pollfd
1508     struct_rusage_ru_maxrss
1509     struct_sctp_event_subscribe
1510     struct_sockaddr_in6
1511     struct_sockaddr_sa_len
1512     struct_sockaddr_storage
1513     struct_v4l2_frmivalenum_discrete
1514     symver_asm_label
1515     symver_gnu_asm
1516     sync_val_compare_and_swap
1517     sysconf
1518     sysctl
1519     sys_mman_h
1520     sys_param_h
1521     sys_resource_h
1522     sys_select_h
1523     sys_soundcard_h
1524     sys_time_h
1525     sys_videoio_h
1526     termios_h
1527     texi2html
1528     threads
1529     unistd_h
1530     usleep
1531     vfp_args
1532     VirtualAlloc
1533     windows_h
1534     winsock2_h
1535     xform_asm
1536     xmm_clobbers
1537 "
1538
1539 # options emitted with CONFIG_ prefix but not available on the command line
1540 CONFIG_EXTRA="
1541     aandcttables
1542     ac3dsp
1543     audio_frame_queue
1544     dsputil
1545     frame_thread_encoder
1546     gcrypt
1547     golomb
1548     gplv3
1549     h264chroma
1550     h264dsp
1551     h264pred
1552     h264qpel
1553     hpeldsp
1554     huffman
1555     lgplv3
1556     lpc
1557     mpegaudio
1558     mpegaudiodsp
1559     mpegvideo
1560     mpegvideoenc
1561     nettle
1562     rangecoder
1563     rtpdec
1564     rtpenc_chain
1565     sinewin
1566     videodsp
1567     vp3dsp
1568 "
1569
1570 CMDLINE_SELECT="
1571     $ARCH_EXT_LIST
1572     $CONFIG_LIST
1573     $HAVE_LIST_CMDLINE
1574     $THREADS_LIST
1575     asm
1576     cross_compile
1577     debug
1578     extra_warnings
1579     logging
1580     lto
1581     optimizations
1582     stripping
1583 "
1584
1585 PATHS_LIST='
1586     bindir
1587     datadir
1588     incdir
1589     libdir
1590     mandir
1591     prefix
1592     shlibdir
1593 '
1594
1595 CMDLINE_SET="
1596     $PATHS_LIST
1597     ar
1598     arch
1599     as
1600     assert_level
1601     build_suffix
1602     cc
1603     cpu
1604     cross_prefix
1605     cxx
1606     dep_cc
1607     extra_version
1608     host_cc
1609     host_cflags
1610     host_ld
1611     host_ldflags
1612     host_libs
1613     host_os
1614     install
1615     ld
1616     logfile
1617     malloc_prefix
1618     nm
1619     optflags
1620     pkg_config
1621     progs_suffix
1622     random_seed
1623     samples
1624     strip
1625     sysinclude
1626     sysroot
1627     target_exec
1628     target_os
1629     target_path
1630     toolchain
1631     valgrind
1632     yasmexe
1633 "
1634
1635 CMDLINE_APPEND="
1636     extra_cflags
1637     extra_cxxflags
1638     host_cppflags
1639 "
1640
1641 # code dependency declarations
1642
1643 # architecture extensions
1644
1645 armv5te_deps="arm"
1646 armv6_deps="arm"
1647 armv6t2_deps="arm"
1648 neon_deps="arm"
1649 vfp_deps="arm"
1650 vfpv3_deps="vfp"
1651
1652 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1653
1654 mipsfpu_deps="mips"
1655 mips32r2_deps="mips"
1656 mipsdspr1_deps="mips"
1657 mipsdspr2_deps="mips"
1658
1659 altivec_deps="ppc"
1660 ppc4xx_deps="ppc"
1661
1662 vis_deps="sparc"
1663
1664 x86_64_suggest="fast_cmov i686"
1665
1666 amd3dnow_deps="mmx"
1667 amd3dnowext_deps="amd3dnow"
1668 mmx_deps="x86"
1669 mmxext_deps="mmx"
1670 sse_deps="mmxext"
1671 sse2_deps="sse"
1672 sse3_deps="sse2"
1673 ssse3_deps="sse3"
1674 sse4_deps="ssse3"
1675 sse42_deps="sse4"
1676 avx_deps="sse42"
1677 fma4_deps="avx"
1678
1679 mmx_external_deps="yasm"
1680 mmx_inline_deps="inline_asm"
1681 mmx_suggest="mmx_external mmx_inline"
1682
1683 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1684     eval dep=\$${ext}_deps
1685     eval ${ext}_external_deps='"${dep}_external"'
1686     eval ${ext}_inline_deps='"${dep}_inline"'
1687     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1688 done
1689
1690 aligned_stack_if_any="ppc x86"
1691 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1692 fast_clz_if_any="alpha avr32 mips ppc x86"
1693 fast_unaligned_if_any="ppc x86"
1694
1695 inline_asm_deps="!tms470"
1696 need_memalign="altivec neon sse"
1697
1698 symver_if_any="symver_asm_label symver_gnu_asm"
1699
1700 log2_deps="!msvcrt"
1701
1702 # subsystems
1703 dct_select="rdft"
1704 error_resilience_select="dsputil"
1705 frame_thread_encoder_deps="encoders threads"
1706 lpc_select="dsputil"
1707 mdct_select="fft"
1708 rdft_select="fft"
1709 mpegaudio_select="mpegaudiodsp"
1710 mpegaudiodsp_select="dct"
1711 mpegvideo_select="dsputil h264chroma hpeldsp videodsp"
1712 mpegvideoenc_select="mpegvideo"
1713
1714 # decoders / encoders
1715 aac_decoder_select="mdct sinewin"
1716 aac_encoder_select="audio_frame_queue mdct sinewin"
1717 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1718 ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
1719 ac3_encoder_select="mdct ac3dsp dsputil"
1720 ac3_fixed_encoder_select="mdct ac3dsp dsputil"
1721 alac_encoder_select="lpc"
1722 als_decoder_select="dsputil"
1723 amrnb_decoder_select="lsp"
1724 amrwb_decoder_select="lsp"
1725 amv_decoder_select="dsputil hpeldsp"
1726 amv_encoder_select="aandcttables"
1727 ape_decoder_select="dsputil"
1728 asv1_decoder_select="dsputil"
1729 asv1_encoder_select="dsputil"
1730 asv2_decoder_select="dsputil"
1731 asv2_encoder_select="dsputil"
1732 atrac1_decoder_select="mdct sinewin"
1733 atrac3_decoder_select="mdct"
1734 bink_decoder_select="dsputil hpeldsp"
1735 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1736 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1737 cavs_decoder_select="dsputil golomb h264chroma videodsp"
1738 cllc_decoder_select="dsputil"
1739 comfortnoise_encoder_select="lpc"
1740 cook_decoder_select="dsputil mdct sinewin"
1741 cscd_decoder_select="lzo"
1742 cscd_decoder_suggest="zlib"
1743 dca_decoder_select="mdct"
1744 dirac_decoder_select="dsputil dwt golomb videodsp"
1745 dnxhd_decoder_select="dsputil"
1746 dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
1747 dvvideo_decoder_select="dsputil"
1748 dvvideo_encoder_select="dsputil"
1749 dxa_decoder_select="zlib"
1750 eac3_decoder_select="ac3_decoder"
1751 eac3_encoder_select="ac3_encoder"
1752 eamad_decoder_select="aandcttables dsputil mpegvideo"
1753 eatgq_decoder_select="aandcttables"
1754 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1755 exr_decoder_select="zlib"
1756 ffv1_decoder_select="dsputil golomb rangecoder"
1757 ffv1_encoder_select="dsputil rangecoder"
1758 ffvhuff_decoder_select="dsputil"
1759 ffvhuff_encoder_select="dsputil huffman"
1760 flac_decoder_select="golomb"
1761 flac_encoder_select="dsputil golomb lpc"
1762 flashsv_decoder_select="zlib"
1763 flashsv_encoder_select="zlib"
1764 flashsv2_encoder_select="zlib"
1765 flashsv2_decoder_select="zlib"
1766 flv_decoder_select="h263_decoder"
1767 flv_encoder_select="h263_encoder"
1768 fourxm_decoder_select="dsputil"
1769 fraps_decoder_select="dsputil huffman"
1770 g729_decoder_select="dsputil"
1771 h261_decoder_select="error_resilience mpegvideo"
1772 h261_encoder_select="aandcttables mpegvideoenc"
1773 h263_decoder_select="error_resilience h263_parser mpegvideo"
1774 h263_encoder_select="aandcttables mpegvideoenc"
1775 h263i_decoder_select="h263_decoder"
1776 h263p_encoder_select="h263_encoder"
1777 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1778 h264_decoder_suggest="error_resilience"
1779 huffyuv_decoder_select="dsputil"
1780 huffyuv_encoder_select="dsputil huffman"
1781 iac_decoder_select="dsputil fft mdct sinewin"
1782 imc_decoder_select="dsputil fft mdct sinewin"
1783 indeo3_decoder_select="hpeldsp"
1784 interplay_video_decoder_select="hpeldsp"
1785 jpegls_decoder_select="dsputil golomb hpeldsp"
1786 jpegls_encoder_select="golomb"
1787 jv_decoder_select="dsputil"
1788 lagarith_decoder_select="dsputil"
1789 ljpeg_encoder_select="aandcttables mpegvideoenc"
1790 loco_decoder_select="golomb"
1791 mdec_decoder_select="dsputil error_resilience mpegvideo"
1792 mimic_decoder_select="dsputil hpeldsp"
1793 mjpeg_decoder_select="dsputil hpeldsp"
1794 mjpegb_decoder_select="dsputil hpeldsp"
1795 mjpeg_encoder_select="aandcttables dsputil mpegvideoenc"
1796 mlp_decoder_select="dsputil mlp_parser"
1797 motionpixels_decoder_select="dsputil"
1798 mp1_decoder_select="mpegaudio"
1799 mp1float_decoder_select="mpegaudio"
1800 mp2_decoder_select="mpegaudio"
1801 mp2float_decoder_select="mpegaudio"
1802 mp3_decoder_select="mpegaudio"
1803 mp3adu_decoder_select="mpegaudio"
1804 mp3adufloat_decoder_select="mpegaudio"
1805 mp3float_decoder_select="mpegaudio"
1806 mp3on4_decoder_select="mpegaudio"
1807 mp3on4float_decoder_select="mpegaudio"
1808 mpc7_decoder_select="dsputil mpegaudiodsp"
1809 mpc8_decoder_select="dsputil mpegaudiodsp"
1810 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1811 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1812 mpeg1video_decoder_select="error_resilience mpegvideo"
1813 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1814 mpeg2video_decoder_select="error_resilience mpegvideo"
1815 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1816 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1817 mpeg4_encoder_select="h263_encoder"
1818 msmpeg4v1_decoder_select="h263_decoder"
1819 msmpeg4v2_decoder_select="h263_decoder"
1820 msmpeg4v2_encoder_select="h263_encoder"
1821 msmpeg4v3_decoder_select="h263_decoder"
1822 msmpeg4v3_encoder_select="h263_encoder"
1823 mss2_decoder_select="error_resilience vc1_decoder"
1824 mxpeg_decoder_select="dsputil hpeldsp"
1825 nellymoser_decoder_select="mdct sinewin"
1826 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1827 nuv_decoder_select="dsputil lzo"
1828 png_decoder_select="zlib"
1829 png_encoder_select="dsputil zlib"
1830 prores_decoder_select="dsputil"
1831 prores_encoder_select="dsputil"
1832 qcelp_decoder_select="lsp"
1833 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1834 ra_144_encoder_select="audio_frame_queue lpc"
1835 ralf_decoder_select="golomb"
1836 rtjpeg_decoder_select="dsputil"
1837 rv10_decoder_select="error_resilience h263_decoder"
1838 rv10_encoder_select="h263_encoder"
1839 rv20_decoder_select="error_resilience h263_decoder"
1840 rv20_encoder_select="h263_encoder"
1841 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1842 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1843 shorten_decoder_select="golomb"
1844 sipr_decoder_select="lsp"
1845 snow_decoder_select="dsputil dwt h264qpel hpeldsp rangecoder"
1846 snow_encoder_select="aandcttables dsputil dwt h264qpel hpeldsp mpegvideoenc rangecoder"
1847 sonic_decoder_select="golomb"
1848 sonic_encoder_select="golomb"
1849 sonic_ls_encoder_select="golomb"
1850 sp5x_decoder_select="dsputil hpeldsp"
1851 svq1_decoder_select="hpeldsp"
1852 svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
1853 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel hpeldsp mpegvideo videodsp"
1854 svq3_decoder_suggest="error_resilience zlib"
1855 tak_decoder_select="dsputil"
1856 theora_decoder_select="vp3_decoder"
1857 tiff_decoder_suggest="zlib"
1858 tiff_encoder_suggest="zlib"
1859 thp_decoder_select="dsputil hpeldsp"
1860 truehd_decoder_select="mlp_parser"
1861 truemotion2_decoder_select="dsputil"
1862 truespeech_decoder_select="dsputil"
1863 tscc_decoder_select="zlib"
1864 twinvq_decoder_select="mdct lsp sinewin"
1865 utvideo_decoder_select="dsputil"
1866 utvideo_encoder_select="dsputil huffman"
1867 vble_decoder_select="dsputil"
1868 vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel"
1869 vc1image_decoder_select="vc1_decoder"
1870 vorbis_decoder_select="mdct"
1871 vorbis_encoder_select="mdct"
1872 vp3_decoder_select="hpeldsp vp3dsp videodsp"
1873 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
1874 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
1875 vp6a_decoder_select="vp6_decoder"
1876 vp6f_decoder_select="vp6_decoder"
1877 vp8_decoder_select="h264pred videodsp"
1878 wmapro_decoder_select="mdct sinewin"
1879 wmav1_decoder_select="mdct sinewin"
1880 wmav1_encoder_select="mdct sinewin"
1881 wmav2_decoder_select="mdct sinewin"
1882 wmav2_encoder_select="mdct sinewin"
1883 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1884 wmv1_decoder_select="h263_decoder"
1885 wmv1_encoder_select="h263_encoder"
1886 wmv2_decoder_select="h263_decoder videodsp"
1887 wmv2_encoder_select="h263_encoder"
1888 wmv3_decoder_select="vc1_decoder"
1889 wmv3image_decoder_select="wmv3_decoder"
1890 zerocodec_decoder_select="zlib"
1891 zlib_decoder_select="zlib"
1892 zlib_encoder_select="zlib"
1893 zmbv_decoder_select="zlib"
1894 zmbv_encoder_select="zlib"
1895
1896 # hardware accelerators
1897 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1898 dxva2_deps="dxva2api_h"
1899 vaapi_deps="va_va_h"
1900 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1901 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
1902 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1903
1904 h263_vaapi_hwaccel_deps="vaapi"
1905 h263_vaapi_hwaccel_select="h263_decoder"
1906 h263_vdpau_hwaccel_deps="vdpau"
1907 h263_vdpau_hwaccel_select="h263_decoder"
1908 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1909 h264_dxva2_hwaccel_deps="dxva2"
1910 h264_dxva2_hwaccel_select="h264_decoder"
1911 h264_vaapi_hwaccel_deps="vaapi"
1912 h264_vaapi_hwaccel_select="h264_decoder"
1913 h264_vda_decoder_deps="vda"
1914 h264_vda_decoder_select="h264_decoder"
1915 h264_vda_hwaccel_deps="vda"
1916 h264_vda_hwaccel_select="h264_decoder"
1917 h264_vdpau_decoder_deps="vdpau"
1918 h264_vdpau_decoder_select="h264_decoder"
1919 h264_vdpau_hwaccel_deps="vdpau"
1920 h264_vdpau_hwaccel_select="h264_decoder"
1921 mpeg_vdpau_decoder_deps="vdpau"
1922 mpeg_vdpau_decoder_select="mpeg2video_decoder"
1923 mpeg1_vdpau_decoder_deps="vdpau"
1924 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
1925 mpeg1_vdpau_hwaccel_deps="vdpau"
1926 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
1927 mpeg2_crystalhd_decoder_select="crystalhd"
1928 mpeg2_dxva2_hwaccel_deps="dxva2"
1929 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
1930 mpeg2_vaapi_hwaccel_deps="vaapi"
1931 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
1932 mpeg2_vdpau_hwaccel_deps="vdpau"
1933 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
1934 mpeg4_crystalhd_decoder_select="crystalhd"
1935 mpeg4_vaapi_hwaccel_deps="vaapi"
1936 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
1937 mpeg4_vdpau_decoder_deps="vdpau"
1938 mpeg4_vdpau_decoder_select="mpeg4_decoder"
1939 mpeg4_vdpau_hwaccel_deps="vdpau"
1940 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
1941 msmpeg4_crystalhd_decoder_select="crystalhd"
1942 vc1_crystalhd_decoder_select="crystalhd"
1943 vc1_dxva2_hwaccel_deps="dxva2"
1944 vc1_dxva2_hwaccel_select="vc1_decoder"
1945 vc1_vaapi_hwaccel_deps="vaapi"
1946 vc1_vaapi_hwaccel_select="vc1_decoder"
1947 vc1_vdpau_decoder_deps="vdpau"
1948 vc1_vdpau_decoder_select="vc1_decoder"
1949 vc1_vdpau_hwaccel_deps="vdpau"
1950 vc1_vdpau_hwaccel_select="vc1_decoder"
1951 wmv3_crystalhd_decoder_select="crystalhd"
1952 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1953 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1954 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1955 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
1956
1957 # parsers
1958 h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1959 mpeg4video_parser_select="error_resilience mpegvideo"
1960 mpegvideo_parser_select="error_resilience mpegvideo"
1961 vc1_parser_select="mpegvideo"
1962
1963 # external libraries
1964 libaacplus_encoder_deps="libaacplus"
1965 libcelt_decoder_deps="libcelt"
1966 libfaac_encoder_deps="libfaac"
1967 libfaac_encoder_select="audio_frame_queue"
1968 libfdk_aac_encoder_deps="libfdk_aac"
1969 libfdk_aac_encoder_select="audio_frame_queue"
1970 libgsm_decoder_deps="libgsm"
1971 libgsm_encoder_deps="libgsm"
1972 libgsm_ms_decoder_deps="libgsm"
1973 libgsm_ms_encoder_deps="libgsm"
1974 libilbc_decoder_deps="libilbc"
1975 libilbc_encoder_deps="libilbc"
1976 libmodplug_demuxer_deps="libmodplug"
1977 libmp3lame_encoder_deps="libmp3lame"
1978 libmp3lame_encoder_select="audio_frame_queue"
1979 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1980 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1981 libopencore_amrnb_encoder_select="audio_frame_queue"
1982 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1983 libopenjpeg_decoder_deps="libopenjpeg"
1984 libopenjpeg_encoder_deps="libopenjpeg"
1985 libopus_decoder_deps="libopus"
1986 libopus_encoder_deps="libopus"
1987 libopus_encoder_select="audio_frame_queue"
1988 libquvi_demuxer_deps="libquvi"
1989 libschroedinger_decoder_deps="libschroedinger"
1990 libschroedinger_encoder_deps="libschroedinger"
1991 libshine_encoder_deps="libshine"
1992 libshine_encoder_select="audio_frame_queue"
1993 libspeex_decoder_deps="libspeex"
1994 libspeex_encoder_deps="libspeex"
1995 libspeex_encoder_select="audio_frame_queue"
1996 libstagefright_h264_decoder_deps="libstagefright_h264"
1997 libtheora_encoder_deps="libtheora"
1998 libtwolame_encoder_deps="libtwolame"
1999 libvo_aacenc_encoder_deps="libvo_aacenc"
2000 libvo_aacenc_encoder_select="audio_frame_queue"
2001 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2002 libvorbis_decoder_deps="libvorbis"
2003 libvorbis_encoder_deps="libvorbis"
2004 libvorbis_encoder_select="audio_frame_queue"
2005 libvpx_vp8_decoder_deps="libvpx"
2006 libvpx_vp8_encoder_deps="libvpx"
2007 libvpx_vp9_decoder_deps="libvpx"
2008 libvpx_vp9_encoder_deps="libvpx"
2009 libx264_encoder_deps="libx264"
2010 libx264rgb_encoder_deps="libx264"
2011 libxavs_encoder_deps="libxavs"
2012 libxvid_encoder_deps="libxvid"
2013 libutvideo_decoder_deps="libutvideo"
2014 libutvideo_encoder_deps="libutvideo"
2015
2016 # demuxers / muxers
2017 ac3_demuxer_select="ac3_parser"
2018 asf_stream_muxer_select="asf_muxer"
2019 avisynth_demuxer_deps="avisynth"
2020 dirac_demuxer_select="dirac_parser"
2021 dts_demuxer_select="dca_parser"
2022 dtshd_demuxer_select="dca_parser"
2023 eac3_demuxer_select="ac3_parser"
2024 f4v_muxer_select="mov_muxer"
2025 flac_demuxer_select="flac_parser"
2026 ipod_muxer_select="mov_muxer"
2027 ismv_muxer_select="mov_muxer"
2028 libnut_demuxer_deps="libnut"
2029 libnut_muxer_deps="libnut"
2030 matroska_audio_muxer_select="matroska_muxer"
2031 matroska_demuxer_suggest="bzlib lzo zlib"
2032 mov_demuxer_suggest="zlib"
2033 mov_muxer_select="rtpenc_chain"
2034 mp3_demuxer_select="mpegaudio_parser"
2035 mp4_muxer_select="mov_muxer"
2036 mpegts_muxer_select="adts_muxer latm_muxer"
2037 mpegtsraw_demuxer_select="mpegts_demuxer"
2038 mxf_d10_muxer_select="mxf_muxer"
2039 ogg_demuxer_select="golomb"
2040 psp_muxer_select="mov_muxer"
2041 rtp_demuxer_select="sdp_demuxer"
2042 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2043 rtsp_demuxer_select="http_protocol rtpdec"
2044 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2045 sap_demuxer_select="sdp_demuxer"
2046 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2047 sdp_demuxer_select="rtpdec"
2048 smoothstreaming_muxer_select="ismv_muxer"
2049 spdif_muxer_select="aac_parser"
2050 tak_demuxer_select="tak_parser"
2051 tg2_muxer_select="mov_muxer"
2052 tgp_muxer_select="mov_muxer"
2053 vobsub_demuxer_select="mpegps_demuxer"
2054 w64_demuxer_deps="wav_demuxer"
2055 w64_muxer_deps="wav_muxer"
2056
2057 # indevs / outdevs
2058 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2059 alsa_outdev_deps="alsa_asoundlib_h"
2060 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2061 caca_outdev_deps="libcaca"
2062 dshow_indev_deps="IBaseFilter"
2063 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
2064 dv1394_indev_deps="dv1394 dv_demuxer"
2065 fbdev_indev_deps="linux_fb_h"
2066 iec61883_indev_deps="libiec61883"
2067 jack_indev_deps="jack_jack_h sem_timedwait"
2068 lavfi_indev_deps="avfilter"
2069 libcdio_indev_deps="libcdio"
2070 libdc1394_indev_deps="libdc1394"
2071 libv4l2_indev_deps="libv4l2"
2072 openal_indev_deps="openal"
2073 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2074 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2075 pulse_indev_deps="libpulse"
2076 sdl_outdev_deps="sdl"
2077 sndio_indev_deps="sndio_h"
2078 sndio_outdev_deps="sndio_h"
2079 v4l_indev_deps="linux_videodev_h"
2080 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2081 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2082 vfwcap_indev_extralibs="-lavicap32"
2083 x11grab_indev_deps="x11grab"
2084
2085 # protocols
2086 bluray_protocol_deps="libbluray"
2087 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2088 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2089 ffrtmpcrypt_protocol_select="tcp_protocol"
2090 ffrtmphttp_protocol_deps="!librtmp_protocol"
2091 ffrtmphttp_protocol_select="http_protocol"
2092 gopher_protocol_select="network"
2093 httpproxy_protocol_select="tcp_protocol"
2094 http_protocol_select="tcp_protocol"
2095 https_protocol_select="tls_protocol"
2096 librtmp_protocol_deps="librtmp"
2097 librtmpe_protocol_deps="librtmp"
2098 librtmps_protocol_deps="librtmp"
2099 librtmpt_protocol_deps="librtmp"
2100 librtmpte_protocol_deps="librtmp"
2101 mmsh_protocol_select="http_protocol"
2102 mmst_protocol_select="network"
2103 rtmp_protocol_deps="!librtmp_protocol"
2104 rtmp_protocol_select="tcp_protocol"
2105 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2106 rtmps_protocol_deps="!librtmp_protocol"
2107 rtmps_protocol_select="tls_protocol"
2108 rtmpt_protocol_select="ffrtmphttp_protocol"
2109 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2110 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2111 rtp_protocol_select="udp_protocol"
2112 sctp_protocol_deps="struct_sctp_event_subscribe"
2113 sctp_protocol_select="network"
2114 srtp_protocol_select="rtp_protocol"
2115 tcp_protocol_select="network"
2116 tls_protocol_deps_any="openssl gnutls"
2117 tls_protocol_select="tcp_protocol"
2118 udp_protocol_select="network"
2119
2120 # filters
2121 aconvert_filter_deps="swresample"
2122 amovie_filter_deps="avcodec avformat"
2123 aresample_filter_deps="swresample"
2124 ass_filter_deps="libass"
2125 asyncts_filter_deps="avresample"
2126 atempo_filter_deps="avcodec rdft"
2127 azmq_filter_deps="libzmq"
2128 blackframe_filter_deps="gpl"
2129 boxblur_filter_deps="gpl"
2130 colormatrix_filter_deps="gpl"
2131 cropdetect_filter_deps="gpl"
2132 delogo_filter_deps="gpl"
2133 deshake_filter_deps="avcodec"
2134 deshake_filter_select="dsputil"
2135 drawtext_filter_deps="libfreetype"
2136 ebur128_filter_deps="gpl"
2137 flite_filter_deps="libflite"
2138 frei0r_filter_deps="frei0r dlopen"
2139 frei0r_filter_extralibs='$ldl'
2140 frei0r_src_filter_deps="frei0r dlopen"
2141 frei0r_src_filter_extralibs='$ldl'
2142 geq_filter_deps="gpl"
2143 histeq_filter_deps="gpl"
2144 hqdn3d_filter_deps="gpl"
2145 hue_filter_deps="gpl"
2146 interlace_filter_deps="gpl"
2147 kerndeint_filter_deps="gpl"
2148 movie_filter_deps="avcodec avformat"
2149 mp_filter_deps="gpl avcodec swscale inline_asm"
2150 mpdecimate_filter_deps="gpl avcodec"
2151 mptestsrc_filter_deps="gpl"
2152 negate_filter_deps="lut_filter"
2153 noise_filter_deps="gpl"
2154 resample_filter_deps="avresample"
2155 ocv_filter_deps="libopencv"
2156 pan_filter_deps="swresample"
2157 pp_filter_deps="gpl postproc"
2158 removelogo_filter_deps="avcodec avformat swscale"
2159 scale_filter_deps="swscale"
2160 smartblur_filter_deps="gpl swscale"
2161 showspectrum_filter_deps="avcodec rdft"
2162 stereo3d_filter_deps="gpl"
2163 subtitles_filter_deps="avformat avcodec libass"
2164 super2xsai_filter_deps="gpl"
2165 tinterlace_filter_deps="gpl"
2166 vidstabdetect_filter_deps="libvidstab"
2167 vidstabtransform_filter_deps="libvidstab"
2168 yadif_filter_deps="gpl"
2169 pixfmts_super2xsai_test_deps="super2xsai_filter"
2170 tinterlace_merge_test_deps="tinterlace_filter"
2171 tinterlace_pad_test_deps="tinterlace_filter"
2172 zmq_filter_deps="libzmq"
2173
2174 # libraries
2175 avcodec_deps="avutil"
2176 avdevice_deps="avutil avcodec avformat"
2177 avfilter_deps="avutil"
2178 avformat_deps="avutil avcodec"
2179 avresample_deps="avutil"
2180 postproc_deps="avutil gpl"
2181 swscale_deps="avutil"
2182
2183 # programs
2184 ffmpeg_deps="avcodec avfilter avformat swscale swresample"
2185 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2186                null_filter
2187                setpts_filter trim_filter"
2188 ffplay_deps="avcodec avformat swscale swresample sdl"
2189 ffplay_select="rdft crop_filter"
2190 ffprobe_deps="avcodec avformat"
2191 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
2192 ffserver_extralibs='$ldl'
2193
2194 # documentation
2195 podpages_deps="perl"
2196 manpages_deps="perl pod2man"
2197 htmlpages_deps="texi2html"
2198 txtpages_deps="makeinfo"
2199 doc_deps_any="manpages htmlpages podpages txtpages"
2200
2201 # default parameters
2202
2203 logfile="config.log"
2204
2205 # installation paths
2206 prefix_default="/usr/local"
2207 bindir_default='${prefix}/bin'
2208 datadir_default='${prefix}/share/ffmpeg'
2209 incdir_default='${prefix}/include'
2210 libdir_default='${prefix}/lib'
2211 mandir_default='${prefix}/share/man'
2212 shlibdir_default="$libdir_default"
2213
2214 # toolchain
2215 ar_default="ar"
2216 cc_default="gcc"
2217 cxx_default="g++"
2218 host_cc_default="gcc"
2219 cp_f="cp -f"
2220 install="install"
2221 ln_s="ln -s -f"
2222 nm_default="nm -g"
2223 objformat="elf"
2224 pkg_config_default=pkg-config
2225 ranlib="ranlib"
2226 strip_default="strip"
2227 yasmexe_default="yasm"
2228
2229 nogas=":"
2230
2231 # machine
2232 arch_default=$(uname -m)
2233 cpu="generic"
2234
2235 # OS
2236 target_os_default=$(tolower $(uname -s))
2237 host_os=$target_os_default
2238
2239 # configurable options
2240 enable $PROGRAM_LIST
2241 enable $DOCUMENT_LIST
2242 enable $(filter_out avresample $LIBRARY_LIST)
2243 enable stripping
2244
2245 enable asm
2246 enable debug
2247 enable doc
2248 enable optimizations
2249 enable runtime_cpudetect
2250 enable safe_bitstream_reader
2251 enable static
2252 enable swscale_alpha
2253
2254 # By default, enable only those hwaccels that have no external dependencies.
2255 enable dxva2 vdpau
2256
2257 # build settings
2258 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2259 FFSERVERLDFLAGS=-Wl,-E
2260 LIBPREF="lib"
2261 LIBSUF=".a"
2262 FULLNAME='$(NAME)$(BUILDSUF)'
2263 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2264 SLIBPREF="lib"
2265 SLIBSUF=".so"
2266 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2267 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2268 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2269 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2270 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2271 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2272
2273 asflags_filter=echo
2274 cflags_filter=echo
2275 ldflags_filter=echo
2276
2277 AS_C='-c'
2278 AS_O='-o $@'
2279 CC_C='-c'
2280 CC_E='-E -o $@'
2281 CC_O='-o $@'
2282 CXX_C='-c'
2283 CXX_O='-o $@'
2284 LD_O='-o $@'
2285 LD_LIB='-l%'
2286 LD_PATH='-L'
2287 HOSTCC_C='-c'
2288 HOSTCC_O='-o $@'
2289 HOSTLD_O='-o $@'
2290
2291 host_cflags='-O3 -g'
2292 host_cppflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600'
2293 host_libs='-lm'
2294 host_cflags_filter=echo
2295 host_ldflags_filter=echo
2296
2297 target_path='$(CURDIR)'
2298
2299 # since the object filename is not given with the -MM flag, the compiler
2300 # is only able to print the basename, and we must add the path ourselves
2301 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2302 DEPFLAGS='-MM'
2303
2304 # find source path
2305 if test -f configure; then
2306     source_path=.
2307 else
2308     source_path=$(cd $(dirname "$0"); pwd)
2309     echo "$source_path" | grep -q '[[:blank:]]' &&
2310         die "Out of tree builds are impossible with whitespace in source path."
2311     test -e "$source_path/config.h" &&
2312         die "Out of tree builds are impossible with config.h in source dir."
2313 fi
2314
2315 for v in "$@"; do
2316     r=${v#*=}
2317     l=${v%"$r"}
2318     r=$(sh_quote "$r")
2319     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2320 done
2321
2322 find_things(){
2323     thing=$1
2324     pattern=$2
2325     file=$source_path/$3
2326     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2327 }
2328
2329 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
2330 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
2331 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
2332 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
2333 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
2334 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
2335 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
2336 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
2337 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
2338 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2339 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
2340
2341 ALL_COMPONENTS="
2342     $BSF_LIST
2343     $DECODER_LIST
2344     $DEMUXER_LIST
2345     $ENCODER_LIST
2346     $FILTER_LIST
2347     $HWACCEL_LIST
2348     $INDEV_LIST
2349     $MUXER_LIST
2350     $OUTDEV_LIST
2351     $PARSER_LIST
2352     $PROTOCOL_LIST
2353 "
2354
2355 for n in $COMPONENT_LIST; do
2356     v=$(toupper ${n%s})_LIST
2357     eval enable \$$v
2358     eval ${n}_if_any="\$$v"
2359 done
2360
2361 enable $ARCH_EXT_LIST
2362
2363 die_unknown(){
2364     echo "Unknown option \"$1\"."
2365     echo "See $0 --help for available options."
2366     exit 1
2367 }
2368
2369 print_3_columns() {
2370     cat | tr ' ' '\n' | sort | pr -r -3 -t
2371 }
2372
2373 show_list() {
2374     suffix=_$1
2375     shift
2376     echo $* | sed s/$suffix//g | print_3_columns
2377     exit 0
2378 }
2379
2380 rand_list(){
2381     IFS=', '
2382     set -- $*
2383     unset IFS
2384     for thing; do
2385         comp=${thing%:*}
2386         prob=${thing#$comp}
2387         prob=${prob#:}
2388         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2389         echo "prob ${prob:-0.5}"
2390         printf '%s\n' $comp
2391     done
2392 }
2393
2394 do_random(){
2395     action=$1
2396     shift
2397     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2398     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2399 }
2400
2401 for opt do
2402     optval="${opt#*=}"
2403     case "$opt" in
2404         --extra-ldflags=*)
2405             add_ldflags $optval
2406         ;;
2407         --extra-libs=*)
2408             add_extralibs $optval
2409         ;;
2410         --disable-devices)
2411             disable $INDEV_LIST $OUTDEV_LIST
2412         ;;
2413         --enable-debug=*)
2414             debuglevel="$optval"
2415         ;;
2416         --disable-programs)
2417             disable $PROGRAM_LIST
2418         ;;
2419         --disable-everything)
2420             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2421         ;;
2422         --disable-all)
2423             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2424             disable $LIBRARY_LIST $PROGRAM_LIST doc
2425         ;;
2426         --enable-random|--disable-random)
2427             action=${opt%%-random}
2428             do_random ${action#--} $COMPONENT_LIST
2429         ;;
2430         --enable-random=*|--disable-random=*)
2431             action=${opt%%-random=*}
2432             do_random ${action#--} $optval
2433         ;;
2434         --enable-*=*|--disable-*=*)
2435             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2436             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2437             eval list=\$$(toupper $thing)_LIST
2438             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2439             list=$(filter "$name" $list)
2440             [ "$list" = "" ] && warn "Option $opt did not match anything"
2441             $action $list
2442         ;;
2443         --enable-?*|--disable-?*)
2444             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2445             if is_in $option $COMPONENT_LIST; then
2446                 test $action = disable && action=unset
2447                 eval $action \$$(toupper ${option%s})_LIST
2448             elif is_in $option $CMDLINE_SELECT; then
2449                 $action $option
2450             else
2451                 die_unknown $opt
2452             fi
2453         ;;
2454         --list-*)
2455             NAME="${opt#--list-}"
2456             is_in $NAME $COMPONENT_LIST || die_unknown $opt
2457             NAME=${NAME%s}
2458             eval show_list $NAME \$$(toupper $NAME)_LIST
2459         ;;
2460         --help|-h) show_help
2461         ;;
2462         --fatal-warnings) enable fatal_warnings
2463         ;;
2464         *)
2465             optname="${opt%%=*}"
2466             optname="${optname#--}"
2467             optname=$(echo "$optname" | sed 's/-/_/g')
2468             if is_in $optname $CMDLINE_SET; then
2469                 eval $optname='$optval'
2470             elif is_in $optname $CMDLINE_APPEND; then
2471                 append $optname "$optval"
2472             else
2473                 die_unknown $opt
2474             fi
2475         ;;
2476     esac
2477 done
2478
2479 disabled logging && logfile=/dev/null
2480
2481 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2482 set >> $logfile
2483
2484 test -n "$cross_prefix" && enable cross_compile
2485
2486 if enabled cross_compile; then
2487     test -n "$arch" && test -n "$target_os" ||
2488         die "Must specify target arch and OS when cross-compiling"
2489 fi
2490
2491 ar_default="${cross_prefix}${ar_default}"
2492 cc_default="${cross_prefix}${cc_default}"
2493 cxx_default="${cross_prefix}${cxx_default}"
2494 nm_default="${cross_prefix}${nm_default}"
2495 pkg_config_default="${cross_prefix}${pkg_config_default}"
2496 ranlib="${cross_prefix}${ranlib}"
2497 strip_default="${cross_prefix}${strip_default}"
2498
2499 sysinclude_default="${sysroot}/usr/include"
2500
2501 test -n "$valgrind" && toolchain="valgrind-memcheck"
2502
2503 case "$toolchain" in
2504     clang-asan)
2505         cc_default="clang"
2506         add_cflags  -fsanitize=address
2507         add_ldflags -fsanitize=address
2508     ;;
2509     clang-tsan)
2510         cc_default="clang"
2511         add_cflags  -fsanitize=thread -pie
2512         add_ldflags -fsanitize=thread -pie
2513     ;;
2514     valgrind-memcheck)
2515         target_exec_default=${valgrind:-"valgrind"}
2516         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"
2517     ;;
2518     msvc)
2519         cc_default="c99wrap cl"
2520         ld_default="c99wrap link"
2521         nm_default="dumpbin -symbols"
2522         ar_default="lib"
2523         target_os_default="win32"
2524     ;;
2525     gcov)
2526         add_cflags  -fprofile-arcs -ftest-coverage
2527         add_ldflags -fprofile-arcs -ftest-coverage
2528     ;;
2529     ?*)
2530         die "Unknown toolchain $toolchain"
2531     ;;
2532 esac
2533
2534 set_default arch cc cxx pkg_config strip sysinclude target_exec target_os yasmexe
2535 enabled cross_compile || host_cc_default=$cc
2536 set_default host_cc
2537
2538 if ! $pkg_config --version >/dev/null 2>&1; then
2539     warn "$pkg_config not found, library detection may fail."
2540     pkg_config=false
2541 fi
2542
2543 exesuf() {
2544     case $1 in
2545         mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2546     esac
2547 }
2548
2549 EXESUF=$(exesuf $target_os)
2550 HOSTEXESUF=$(exesuf $host_os)
2551
2552 # set temporary file name
2553 : ${TMPDIR:=$TEMPDIR}
2554 : ${TMPDIR:=$TMP}
2555 : ${TMPDIR:=/tmp}
2556
2557 if ! check_cmd mktemp -u XXXXXX; then
2558     # simple replacement for missing mktemp
2559     # NOT SAFE FOR GENERAL USE
2560     mktemp(){
2561         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2562     }
2563 fi
2564
2565 tmpfile(){
2566     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2567         (set -C; exec > $tmp) 2>/dev/null ||
2568         die "Unable to create temporary file in $TMPDIR."
2569     append TMPFILES $tmp
2570     eval $1=$tmp
2571 }
2572
2573 trap 'rm -f -- $TMPFILES' EXIT
2574
2575 tmpfile TMPASM .asm
2576 tmpfile TMPC   .c
2577 tmpfile TMPCPP .cpp
2578 tmpfile TMPE   $EXESUF
2579 tmpfile TMPH   .h
2580 tmpfile TMPO   .o
2581 tmpfile TMPS   .S
2582 tmpfile TMPSH  .sh
2583 tmpfile TMPV   .ver
2584
2585 unset -f mktemp
2586
2587 chmod +x $TMPE
2588
2589 # make sure we can execute files in $TMPDIR
2590 cat > $TMPSH 2>> $logfile <<EOF
2591 #! /bin/sh
2592 EOF
2593 chmod +x $TMPSH >> $logfile 2>&1
2594 if ! $TMPSH >> $logfile 2>&1; then
2595     cat <<EOF
2596 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2597 variable to another directory and make sure that it is not mounted noexec.
2598 EOF
2599     die "Sanity test failed."
2600 fi
2601
2602 ccc_flags(){
2603     for flag; do
2604         case $flag in
2605             -std=c99)           echo -c99                       ;;
2606             -mcpu=*)            echo -arch ${flag#*=}           ;;
2607             -mieee)             echo -ieee                      ;;
2608             -O*|-fast)          echo $flag                      ;;
2609             -fno-math-errno)    echo -assume nomath_errno       ;;
2610             -g)                 echo -g3                        ;;
2611             -Wall)              echo -msg_enable level2         ;;
2612             -Wno-pointer-sign)  echo -msg_disable ptrmismatch1  ;;
2613             -Wl,*)              echo $flag                      ;;
2614             -f*|-W*)                                            ;;
2615             *)                  echo $flag                      ;;
2616         esac
2617    done
2618 }
2619
2620 msvc_flags(){
2621     for flag; do
2622         case $flag in
2623             -fomit-frame-pointer) echo -Oy ;;
2624             -g)                   echo -Z7 ;;
2625             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2626                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2627                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2628                                        -wd4554 \
2629                                        -wd4996 -wd4273 ;;
2630             -std=c99)             ;;
2631             -fno-math-errno)      ;;
2632             -fno-common)          ;;
2633             -fno-signed-zeros)    ;;
2634             -fPIC)                ;;
2635             -lz)                  echo zlib.lib ;;
2636             -lavifil32)           echo vfw32.lib ;;
2637             -lavicap32)           echo vfw32.lib user32.lib ;;
2638             -l*)                  echo ${flag#-l}.lib ;;
2639             *)                    echo $flag ;;
2640         esac
2641     done
2642 }
2643
2644 pgi_flags(){
2645     for flag; do
2646         case $flag in
2647             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;
2648             -fomit-frame-pointer) echo -Mnoframe ;;
2649             -g)                   echo -gopt ;;
2650             *)                    echo $flag ;;
2651         esac
2652     done
2653 }
2654
2655 suncc_flags(){
2656     for flag; do
2657         case $flag in
2658             -march=*|-mcpu=*)
2659                 case "${flag#*=}" in
2660                     native)                   echo -xtarget=native       ;;
2661                     v9|niagara)               echo -xarch=sparc          ;;
2662                     ultrasparc)               echo -xarch=sparcvis       ;;
2663                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2664                     i586|pentium)             echo -xchip=pentium        ;;
2665                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2666                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2667                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2668                     pentium4*)          echo -xtarget=pentium4           ;;
2669                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2670                     *-sse3)             echo -xarch=sse3                 ;;
2671                     core2)              echo -xarch=ssse3 -xchip=core2   ;;
2672                     corei7)           echo -xarch=sse4_2 -xchip=nehalem  ;;
2673                     corei7-avx)       echo -xarch=avx -xchip=sandybridge ;;
2674                     amdfam10|barcelona)       echo -xtarget=barcelona    ;;
2675                     bdver*)                   echo -xarch=avx            ;;
2676                     athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2677                     k8|opteron|athlon64|athlon-fx)
2678                                               echo -xarch=sse2a          ;;
2679                     athlon*)                  echo -xarch=pentium_proa   ;;
2680                 esac
2681                 ;;
2682             -std=c99)             echo -xc99              ;;
2683             -fomit-frame-pointer) echo -xregs=frameptr    ;;
2684             -fPIC)                echo -KPIC -xcode=pic32 ;;
2685             -W*,*)                echo $flag              ;;
2686             -f*-*|-W*|-mimpure-text)                      ;;
2687             -shared)              echo -G                 ;;
2688             *)                    echo $flag              ;;
2689         esac
2690     done
2691 }
2692
2693 tms470_flags(){
2694     for flag; do
2695         case $flag in
2696             -march=*|-mcpu=*)
2697                 case "${flag#*=}" in
2698                     armv7-a|cortex-a*)      echo -mv=7a8 ;;
2699                     armv7-r|cortex-r*)      echo -mv=7r4 ;;
2700                     armv7-m|cortex-m*)      echo -mv=7m3 ;;
2701                     armv6*|arm11*)          echo -mv=6   ;;
2702                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2703                                             echo -mv=5e  ;;
2704                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2705                 esac
2706                 ;;
2707             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2708             -mfpu=vfp)      echo --float_support=vfpv2        ;;
2709             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2710             -mfpu=vfpv3-d16) echo --float_support=vfpv3d16    ;;
2711             -msoft-float)   echo --float_support=vfplib       ;;
2712             -O[0-3]|-mf=*)  echo $flag                        ;;
2713             -g)             echo -g -mn                       ;;
2714             -pds=*)         echo $flag                        ;;
2715             -D*|-I*)        echo $flag                        ;;
2716             --gcc|--abi=*)  echo $flag                        ;;
2717             -me)            echo $flag                        ;;
2718         esac
2719     done
2720 }
2721
2722 probe_cc(){
2723     pfx=$1
2724     _cc=$2
2725
2726     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2727     unset _ld_o _ldflags _ld_lib _ld_path
2728     unset _depflags _DEPCMD _DEPFLAGS
2729     _flags_filter=echo
2730
2731     if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2732         _type=llvm_gcc
2733         gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2734         _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2735         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2736         _cflags_speed='-O3'
2737         _cflags_size='-Os'
2738     elif $_cc -v 2>&1 | grep -qi ^gcc; then
2739         _type=gcc
2740         gcc_version=$($_cc --version | head -n1)
2741         gcc_basever=$($_cc -dumpversion)
2742         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2743         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2744         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2745         if ! $_cc -dumpversion | grep -q '^2\.'; then
2746             _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2747         fi
2748         _cflags_speed='-O3'
2749         _cflags_size='-Os'
2750     elif $_cc --version 2>/dev/null | grep -q ^icc; then
2751         _type=icc
2752         _ident=$($_cc --version | head -n1)
2753         _depflags='-MMD'
2754         _cflags_speed='-O3'
2755         _cflags_size='-Os'
2756         _cflags_noopt='-O1'
2757     elif $_cc -v 2>&1 | grep -q xlc; then
2758         _type=xlc
2759         _ident=$($_cc -qversion 2>/dev/null | head -n1)
2760         _cflags_speed='-O5'
2761         _cflags_size='-O5 -qcompact'
2762     elif $_cc -V 2>/dev/null | grep -q Compaq; then
2763         _type=ccc
2764         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2765         _DEPFLAGS='-M'
2766         _cflags_speed='-fast'
2767         _cflags_size='-O1'
2768         _flags_filter=ccc_flags
2769     elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2770         test -d "$sysroot" || die "No valid sysroot specified."
2771         _type=armcc
2772         _ident=$($_cc --vsn | head -n1)
2773         armcc_conf="$PWD/armcc.conf"
2774         $_cc --arm_linux_configure                 \
2775              --arm_linux_config_file="$armcc_conf" \
2776              --configure_sysroot="$sysroot"        \
2777              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2778              die "Error creating armcc configuration file."
2779         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2780         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2781         as_default="${cross_prefix}gcc"
2782         _depflags='-MMD'
2783         _cflags_speed='-O3'
2784         _cflags_size='-Os'
2785     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2786         _type=tms470
2787         _ident=$($_cc -version | head -n1 | tr -s ' ')
2788         _flags='--gcc --abi=eabi -me'
2789         _cc_e='-ppl -fe=$@'
2790         _cc_o='-fe=$@'
2791         _depflags='-ppa -ppd=$(@:.o=.d)'
2792         _cflags_speed='-O3 -mf=5'
2793         _cflags_size='-O3 -mf=2'
2794         _flags_filter=tms470_flags
2795     elif $_cc -v 2>&1 | grep -q clang; then
2796         _type=clang
2797         _ident=$($_cc --version | head -n1)
2798         _depflags='-MMD'
2799         _cflags_speed='-O3'
2800         _cflags_size='-Os'
2801     elif $_cc -V 2>&1 | grep -q Sun; then
2802         _type=suncc
2803         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2804         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2805         _DEPFLAGS='-xM1 -xc99'
2806         _ldflags='-std=c99'
2807         _cflags_speed='-O5'
2808         _cflags_size='-O5 -xspace'
2809         _flags_filter=suncc_flags
2810     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2811         _type=pathscale
2812         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2813         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2814         _cflags_speed='-O2'
2815         _cflags_size='-Os'
2816         _flags_filter='filter_out -Wdisabled-optimization'
2817     elif $_cc -v 2>&1 | grep -q Open64; then
2818         _type=open64
2819         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2820         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2821         _cflags_speed='-O2'
2822         _cflags_size='-Os'
2823         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2824     elif $_cc -V 2>&1 | grep -q Portland; then
2825         _type=pgi
2826         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2827         opt_common='-alias=ansi -Mdse -Mlre -Mpre'
2828         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2829         _cflags_size="-O2 -Munroll=c:1 $opt_common"
2830         _cflags_noopt="-O"
2831         _flags_filter=pgi_flags
2832     elif $_cc 2>&1 | grep -q Microsoft; then
2833         _type=msvc
2834         _ident=$($cc 2>&1 | head -n1)
2835         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2836         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2837         _cflags_speed="-O2"
2838         _cflags_size="-O1"
2839         # Nonstandard output options, to avoid msys path conversion issues, relies on wrapper to remap it
2840         if $_cc 2>&1 | grep -q Linker; then
2841             _ld_o='-out $@'
2842         else
2843             _ld_o='-Fe$@'
2844         fi
2845         _cc_o='-Fo $@'
2846         _cc_e='-P -Fi $@'
2847         _flags_filter=msvc_flags
2848         _ld_lib='lib%.a'
2849         _ld_path='-libpath:'
2850         _flags='-nologo'
2851         _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2852         if [ $pfx = hostcc ]; then
2853             append _cflags -Dsnprintf=_snprintf
2854         fi
2855         disable stripping
2856     fi
2857
2858     eval ${pfx}_type=\$_type
2859     eval ${pfx}_ident=\$_ident
2860 }
2861
2862 set_ccvars(){
2863     eval ${1}_C=\${_cc_c-\${${1}_C}}
2864     eval ${1}_E=\${_cc_e-\${${1}_E}}
2865     eval ${1}_O=\${_cc_o-\${${1}_O}}
2866
2867     if [ -n "$_depflags" ]; then
2868         eval ${1}_DEPFLAGS=\$_depflags
2869     else
2870         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2871         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2872         eval DEP${1}FLAGS=\$_flags
2873     fi
2874 }
2875
2876 probe_cc cc "$cc"
2877 cflags_filter=$_flags_filter
2878 cflags_speed=$_cflags_speed
2879 cflags_size=$_cflags_size
2880 cflags_noopt=$_cflags_noopt
2881 add_cflags $_flags $_cflags
2882 cc_ldflags=$_ldflags
2883 set_ccvars CC
2884
2885 probe_cc hostcc "$host_cc"
2886 host_cflags_filter=$_flags_filter
2887 add_host_cflags  $_flags $_cflags
2888 set_ccvars HOSTCC
2889
2890 test -n "$cc_type" && enable $cc_type ||
2891     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2892
2893 : ${as_default:=$cc}
2894 : ${dep_cc_default:=$cc}
2895 : ${ld_default:=$cc}
2896 : ${host_ld_default:=$host_cc}
2897 set_default ar as dep_cc ld host_ld
2898
2899 probe_cc as "$as"
2900 asflags_filter=$_flags_filter
2901 add_asflags $_flags $_cflags
2902 set_ccvars AS
2903
2904 probe_cc ld "$ld"
2905 ldflags_filter=$_flags_filter
2906 add_ldflags $_flags $_ldflags
2907 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2908 LD_O=${_ld_o-$LD_O}
2909 LD_LIB=${_ld_lib-$LD_LIB}
2910 LD_PATH=${_ld_path-$LD_PATH}
2911
2912 probe_cc hostld "$host_ld"
2913 host_ldflags_filter=$_flags_filter
2914 add_host_ldflags $_flags $_ldflags
2915 HOSTLD_O=${_ld_o-$HOSTLD_O}
2916
2917 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2918     probe_cc depcc "$dep_cc"
2919     CCDEP=${_DEPCMD:-$DEPCMD}
2920     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2921     DEPCCFLAGS=$_flags
2922 fi
2923
2924 if $ar 2>&1 | grep -q Microsoft; then
2925     arflags="-nologo"
2926     ar_o='-out:$@'
2927 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2928     arflags="rq"
2929     ar_o='$@'
2930 else
2931     arflags="rc"
2932     ar_o='$@'
2933 fi
2934
2935 add_cflags $extra_cflags
2936 add_cxxflags $extra_cxxflags
2937 add_asflags $extra_cflags
2938
2939 if test -n "$sysroot"; then
2940     case "$cc_type" in
2941         gcc|llvm_gcc|clang)
2942             add_cppflags --sysroot="$sysroot"
2943             add_ldflags --sysroot="$sysroot"
2944         ;;
2945         tms470)
2946             add_cppflags -I"$sysinclude"
2947             add_ldflags  --sysroot="$sysroot"
2948         ;;
2949     esac
2950 fi
2951
2952 if test "$cpu" = host; then
2953     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2954
2955     case "$cc_type" in
2956         gcc|llvm_gcc)
2957             check_native(){
2958                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2959                 sed -n "/cc1.*$1=/{
2960                             s/.*$1=\\([^ ]*\\).*/\\1/
2961                             p
2962                             q
2963                         }" $TMPE
2964             }
2965             cpu=$(check_native -march || check_native -mcpu)
2966         ;;
2967     esac
2968
2969     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2970 fi
2971
2972 # Deal with common $arch aliases
2973 case "$arch" in
2974     aarch64|arm64)
2975         arch="aarch64"
2976     ;;
2977     arm*|iPad*)
2978         arch="arm"
2979     ;;
2980     mips*|IP*)
2981         arch="mips"
2982     ;;
2983     parisc*|hppa*)
2984         arch="parisc"
2985     ;;
2986     "Power Macintosh"|ppc*|powerpc*)
2987         arch="ppc"
2988     ;;
2989     s390|s390x)
2990         arch="s390"
2991     ;;
2992     sh4|sh)
2993         arch="sh4"
2994     ;;
2995     sun4u|sparc*)
2996         arch="sparc"
2997     ;;
2998     tilegx|tile-gx)
2999         arch="tilegx"
3000     ;;
3001     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3002         arch="x86"
3003     ;;
3004 esac
3005
3006 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3007 enable $arch
3008
3009 # Add processor-specific flags
3010 if enabled aarch64; then
3011
3012     case $cpu in
3013         armv*)
3014             cpuflags="-march=$cpu"
3015         ;;
3016         *)
3017             cpuflags="-mcpu=$cpu"
3018         ;;
3019     esac
3020
3021 elif enabled alpha; then
3022
3023     cpuflags="-mcpu=$cpu"
3024
3025 elif enabled arm; then
3026
3027     check_arm_arch() {
3028         check_cpp_condition stddef.h \
3029             "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3030             $cpuflags
3031     }
3032
3033     probe_arm_arch() {
3034         if   check_arm_arch 4;        then echo armv4;
3035         elif check_arm_arch 4T;       then echo armv4t;
3036         elif check_arm_arch 5;        then echo armv5;
3037         elif check_arm_arch 5E;       then echo armv5e;
3038         elif check_arm_arch 5T;       then echo armv5t;
3039         elif check_arm_arch 5TE;      then echo armv5te;
3040         elif check_arm_arch 5TEJ;     then echo armv5te;
3041         elif check_arm_arch 6;        then echo armv6;
3042         elif check_arm_arch 6J;       then echo armv6j;
3043         elif check_arm_arch 6K;       then echo armv6k;
3044         elif check_arm_arch 6Z;       then echo armv6z;
3045         elif check_arm_arch 6ZK;      then echo armv6zk;
3046         elif check_arm_arch 6T2;      then echo armv6t2;
3047         elif check_arm_arch 7;        then echo armv7;
3048         elif check_arm_arch 7A  7_A;  then echo armv7-a;
3049         elif check_arm_arch 7R  7_R;  then echo armv7-r;
3050         elif check_arm_arch 7M  7_M;  then echo armv7-m;
3051         elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3052         elif check_arm_arch 8A  8_A;  then echo armv8-a;
3053         fi
3054     }
3055
3056     [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3057
3058     case $cpu in
3059         armv*)
3060             cpuflags="-march=$cpu"
3061             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3062         ;;
3063         *)
3064             cpuflags="-mcpu=$cpu"
3065             case $cpu in
3066                 cortex-a*)                               subarch=armv7a  ;;
3067                 cortex-r*)                               subarch=armv7r  ;;
3068                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
3069                 arm11*)                                  subarch=armv6   ;;
3070                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3071                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
3072                 *)                             subarch=$(probe_arm_arch) ;;
3073             esac
3074         ;;
3075     esac
3076
3077     case "$subarch" in
3078         armv5t*)    enable fast_clz                ;;
3079         armv[6-8]*) enable fast_clz fast_unaligned ;;
3080     esac
3081
3082 elif enabled avr32; then
3083
3084     case $cpu in
3085         ap7[02]0[0-2])
3086             subarch="avr32_ap"
3087             cpuflags="-mpart=$cpu"
3088         ;;
3089         ap)
3090             subarch="avr32_ap"
3091             cpuflags="-march=$cpu"
3092         ;;
3093         uc3[ab]*)
3094             subarch="avr32_uc"
3095             cpuflags="-mcpu=$cpu"
3096         ;;
3097         uc)
3098             subarch="avr32_uc"
3099             cpuflags="-march=$cpu"
3100         ;;
3101     esac
3102
3103 elif enabled bfin; then
3104
3105     cpuflags="-mcpu=$cpu"
3106
3107 elif enabled mips; then
3108
3109     cpuflags="-march=$cpu"
3110
3111     case $cpu in
3112         24kc)
3113             disable mipsfpu
3114             disable mipsdspr1
3115             disable mipsdspr2
3116         ;;
3117         24kf*)
3118             disable mipsdspr1
3119             disable mipsdspr2
3120         ;;
3121         24kec|34kc|1004kc)
3122             disable mipsfpu
3123             disable mipsdspr2
3124         ;;
3125         24kef*|34kf*|1004kf*)
3126             disable mipsdspr2
3127         ;;
3128         74kc)
3129             disable mipsfpu
3130         ;;
3131     esac
3132
3133 elif enabled ppc; then
3134
3135     case $(tolower $cpu) in
3136         601|ppc601|powerpc601)
3137             cpuflags="-mcpu=601"
3138             disable altivec
3139         ;;
3140         603*|ppc603*|powerpc603*)
3141             cpuflags="-mcpu=603"
3142             disable altivec
3143         ;;
3144         604*|ppc604*|powerpc604*)
3145             cpuflags="-mcpu=604"
3146             disable altivec
3147         ;;
3148         g3|75*|ppc75*|powerpc75*)
3149             cpuflags="-mcpu=750"
3150             disable altivec
3151         ;;
3152         g4|745*|ppc745*|powerpc745*)
3153             cpuflags="-mcpu=7450"
3154         ;;
3155         74*|ppc74*|powerpc74*)
3156             cpuflags="-mcpu=7400"
3157         ;;
3158         g5|970|ppc970|powerpc970)
3159             cpuflags="-mcpu=970"
3160         ;;
3161         power[3-7]*)
3162             cpuflags="-mcpu=$cpu"
3163         ;;
3164         cell)
3165             cpuflags="-mcpu=cell"
3166             enable ldbrx
3167         ;;
3168         e500mc)
3169             cpuflags="-mcpu=e500mc"
3170             disable altivec
3171         ;;
3172         e500v2)
3173             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3174             disable altivec
3175         ;;
3176         e500)
3177             cpuflags="-mcpu=8540 -mhard-float"
3178             disable altivec
3179         ;;
3180     esac
3181
3182 elif enabled sparc; then
3183
3184     case $cpu in
3185         cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3186             cpuflags="-mcpu=$cpu"
3187             disable vis
3188         ;;
3189         ultrasparc*|niagara[234])
3190             cpuflags="-mcpu=$cpu"
3191         ;;
3192     esac
3193
3194 elif enabled x86; then
3195
3196     case $cpu in
3197         i[345]86|pentium)
3198             cpuflags="-march=$cpu"
3199             disable mmx
3200         ;;
3201         # targets that do NOT support nopl and conditional mov (cmov)
3202         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3203             cpuflags="-march=$cpu"
3204             disable i686
3205         ;;
3206         # targets that do support nopl and conditional mov (cmov)
3207         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3208             cpuflags="-march=$cpu"
3209             enable i686
3210             enable fast_cmov
3211         ;;
3212         # targets that do support conditional mov but on which it's slow
3213         pentium4|pentium4m|prescott|nocona)
3214             cpuflags="-march=$cpu"
3215             enable i686
3216             disable fast_cmov
3217         ;;
3218     esac
3219
3220 fi
3221
3222 if [ "$cpu" != generic ]; then
3223     add_cflags  $cpuflags
3224     add_asflags $cpuflags
3225 fi
3226
3227 # compiler sanity check
3228 check_exec <<EOF
3229 int main(void){ return 0; }
3230 EOF
3231 if test "$?" != 0; then
3232     echo "$cc is unable to create an executable file."
3233     if test -z "$cross_prefix" && ! enabled cross_compile ; then
3234         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3235         echo "Only do this if you know what cross compiling means."
3236     fi
3237     die "C compiler test failed."
3238 fi
3239
3240 add_cppflags -D_ISOC99_SOURCE
3241 add_cxxflags -D__STDC_CONSTANT_MACROS
3242 check_cflags -std=c99
3243 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3244 #include <stdlib.h>
3245 EOF
3246 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3247 #include <stdlib.h>
3248 EOF
3249
3250 check_host_cflags -std=c99
3251 check_host_cflags -Wall
3252
3253 check_64bit(){
3254     arch32=$1
3255     arch64=$2
3256     expr=$3
3257     check_code cc "" "int test[2*($expr) - 1]" &&
3258         subarch=$arch64 || subarch=$arch32
3259 }
3260
3261 case "$arch" in
3262     aarch64|alpha|ia64)
3263         spic=$shared
3264     ;;
3265     mips)
3266         check_64bit mips mips64 '_MIPS_SIM > 1'
3267         spic=$shared
3268     ;;
3269     parisc)
3270         check_64bit parisc parisc64 'sizeof(void *) > 4'
3271         spic=$shared
3272     ;;
3273     ppc)
3274         check_64bit ppc ppc64 'sizeof(void *) > 4'
3275         spic=$shared
3276     ;;
3277     sparc)
3278         check_64bit sparc sparc64 'sizeof(void *) > 4'
3279         spic=$shared
3280     ;;
3281     x86)
3282         check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3283         if test "$subarch" = "x86_64"; then
3284             spic=$shared
3285         fi
3286     ;;
3287     ppc)
3288         check_cc <<EOF && subarch="ppc64"
3289         int test[(int)sizeof(char*) - 7];
3290 EOF
3291     ;;
3292 esac
3293
3294 enable $subarch
3295 enabled spic && enable_weak pic
3296
3297 # OS specific
3298 case $target_os in
3299     haiku)
3300         prefix_default="/boot/common"
3301         network_extralibs="-lnetwork"
3302         host_libs=
3303         ;;
3304     sunos)
3305         FFSERVERLDFLAGS=""
3306         SHFLAGS='-shared -Wl,-h,$$(@F)'
3307         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3308         network_extralibs="-lsocket -lnsl"
3309         add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3310         # When using suncc to build, the Solaris linker will mark
3311         # an executable with each instruction set encountered by
3312         # the Solaris assembler.  As our libraries contain their own
3313         # guards for processor-specific code, instead suppress
3314         # generation of the HWCAPS ELF section on Solaris x86 only.
3315         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
3316         nm_default='nm -P -g'
3317         ;;
3318     netbsd)
3319         disable symver
3320         oss_indev_extralibs="-lossaudio"
3321         oss_outdev_extralibs="-lossaudio"
3322         enabled gcc || check_ldflags -Wl,-zmuldefs
3323         ;;
3324     openbsd|bitrig)
3325         disable symver
3326         SHFLAGS='-shared'
3327         SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3328         SLIB_INSTALL_LINKS=
3329         oss_indev_extralibs="-lossaudio"
3330         oss_outdev_extralibs="-lossaudio"
3331         ;;
3332     dragonfly)
3333         disable symver
3334         ;;
3335     freebsd)
3336         ;;
3337     bsd/os)
3338         add_extralibs -lpoll -lgnugetopt
3339         strip="strip -d"
3340         ;;
3341     darwin)
3342         gas="gas-preprocessor.pl $cc"
3343         enabled ppc && add_asflags -force_cpusubtype_ALL
3344         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3345         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3346         strip="${strip} -x"
3347         add_ldflags -Wl,-dynamic,-search_paths_first
3348         SLIBSUF=".dylib"
3349         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3350         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3351         FFSERVERLDFLAGS=-Wl,-bind_at_load
3352         objformat="macho"
3353         enabled x86_64 && objformat="macho64"
3354         enabled_any pic shared ||
3355             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3356         ;;
3357     mingw32*)
3358         if test $target_os = "mingw32ce"; then
3359             disable network
3360         else
3361             target_os=mingw32
3362         fi
3363         LIBTARGET=i386
3364         if enabled x86_64; then
3365             LIBTARGET="i386:x86-64"
3366         elif enabled arm; then
3367             LIBTARGET=arm-wince
3368         fi
3369         shlibdir_default="$bindir_default"
3370         SLIBPREF=""
3371         SLIBSUF=".dll"
3372         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3373         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3374         dlltool="${cross_prefix}dlltool"
3375         if check_cmd lib.exe -list; then
3376             SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3377             if enabled x86_64; then
3378                 LIBTARGET=x64
3379             fi
3380         elif check_cmd $dlltool --version; then
3381             SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3382         fi
3383         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3384         SLIB_INSTALL_LINKS=
3385         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3386         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3387         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3388         objformat="win32"
3389         ranlib=:
3390         enable dos_paths
3391         disable pic
3392         ;;
3393     win32|win64)
3394         if enabled shared; then
3395             # Link to the import library instead of the normal static library
3396             # for shared libs.
3397             LD_LIB='%.lib'
3398             # Cannot build shared and static libraries at the same time with
3399             # MSVC.
3400             disable static
3401         fi
3402         shlibdir_default="$bindir_default"
3403         SLIBPREF=""
3404         SLIBSUF=".dll"
3405         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3406         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3407         SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3408         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3409         SLIB_INSTALL_LINKS=
3410         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3411         SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3412         SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3413         objformat="win32"
3414         ranlib=:
3415         enable dos_paths
3416         disable pic
3417         ;;
3418     cygwin*)
3419         target_os=cygwin
3420         shlibdir_default="$bindir_default"
3421         SLIBPREF="cyg"
3422         SLIBSUF=".dll"
3423         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3424         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3425         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3426         SLIB_INSTALL_LINKS=
3427         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3428         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3429         objformat="win32"
3430         enable dos_paths
3431         disable pic
3432         ;;
3433     *-dos|freedos|opendos)
3434         network_extralibs="-lsocket"
3435         objformat="coff"
3436         enable dos_paths
3437         add_cppflags -U__STRICT_ANSI__
3438         ;;
3439     linux)
3440         enable dv1394
3441         ;;
3442     irix*)
3443         target_os=irix
3444         ranlib="echo ignoring ranlib"
3445         ;;
3446     os/2*)
3447         strip="lxlite -CS"
3448         ln_s="cp -f"
3449         objformat="aout"
3450         add_cppflags -D_GNU_SOURCE
3451         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3452         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3453         FFSERVERLDFLAGS=""
3454         LIBSUF="_s.a"
3455         SLIBPREF=""
3456         SLIBSUF=".dll"
3457         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3458         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3459         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3460             echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3461             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3462             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3463             echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3464             emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3465         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3466             emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3467         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3468         enable dos_paths
3469         enable_weak os2threads
3470         ;;
3471     gnu/kfreebsd)
3472         add_cppflags -D_BSD_SOURCE
3473         ;;
3474     gnu)
3475         ;;
3476     qnx)
3477         add_cppflags -D_QNX_SOURCE
3478         network_extralibs="-lsocket"
3479         ;;
3480     symbian)
3481         SLIBSUF=".dll"
3482         enable dos_paths
3483         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3484         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3485         add_ldflags -Wl,--target1-abs,--no-undefined \
3486                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3487                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3488         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3489                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3490                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3491         ;;
3492     osf1)
3493         add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3494         FFSERVERLDFLAGS=
3495         ;;
3496     minix)
3497         ;;
3498     plan9)
3499         add_cppflags -D_C99_SNPRINTF_EXTENSION  \
3500                      -D_REENTRANT_SOURCE        \
3501                      -D_RESEARCH_SOURCE         \
3502                      -DFD_SETSIZE=96            \
3503                      -DHAVE_SOCK_OPTS
3504         add_compat strtod.o strtod=avpriv_strtod
3505         network_extralibs='-lbsd'
3506         exeobjs=compat/plan9/main.o
3507         disable ffserver
3508         cp_f='cp'
3509         ;;
3510     none)
3511         ;;
3512     *)
3513         die "Unknown OS '$target_os'."
3514         ;;
3515 esac
3516
3517 # determine libc flavour
3518
3519 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3520 if check_cpp_condition features.h "defined __UCLIBC__"; then
3521     libc_type=uclibc
3522     add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3523 elif check_cpp_condition features.h "defined __GLIBC__"; then
3524     libc_type=glibc
3525     add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3526 # MinGW headers can be installed on Cygwin, so check for newlib first.
3527 elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3528     libc_type=newlib
3529     add_cppflags -U__STRICT_ANSI__
3530 elif check_header _mingw.h; then
3531     libc_type=mingw
3532     check_cpp_condition _mingw.h \
3533         "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3534             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3535         die "ERROR: MinGW runtime version must be >= 3.15."
3536     add_cppflags -U__STRICT_ANSI__
3537     if check_cpp_condition _mingw.h "defined(__MINGW64_VERSION_MAJOR) && \
3538             __MINGW64_VERSION_MAJOR < 3"; then
3539         add_compat msvcrt/snprintf.o
3540         add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
3541     fi
3542 elif check_func_headers stdlib.h _get_doserrno; then
3543     libc_type=msvcrt
3544     add_compat strtod.o strtod=avpriv_strtod
3545     add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \
3546                                  _snprintf=avpriv_snprintf  \
3547                                  vsnprintf=avpriv_vsnprintf
3548 elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3549     libc_type=klibc
3550 fi
3551
3552 test -n "$libc_type" && enable $libc_type
3553
3554 # hacks for compiler/libc/os combinations
3555
3556 if enabled_all tms470 glibc; then
3557     CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
3558     add_cppflags -D__USER_LABEL_PREFIX__=
3559     add_cppflags -D__builtin_memset=memset
3560     add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3561     add_cflags   -pds=48    # incompatible redefinition of macro
3562 fi
3563
3564 if enabled_all ccc glibc; then
3565     add_ldflags -Wl,-z,now  # calls to libots crash without this
3566 fi
3567
3568 esc(){
3569     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3570 }
3571
3572 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
3573
3574 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
3575
3576 set_default $PATHS_LIST
3577 set_default nm
3578
3579 # we need to build at least one lib type
3580 if ! enabled_any static shared; then
3581     cat <<EOF
3582 At least one library type must be built.
3583 Specify --enable-static to build the static libraries or --enable-shared to
3584 build the shared libraries as well. To only build the shared libraries specify
3585 --disable-static in addition to --enable-shared.
3586 EOF
3587     exit 1;
3588 fi
3589
3590 die_license_disabled() {
3591     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3592 }
3593
3594 die_license_disabled_gpl() {
3595     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
3596 }
3597
3598 die_license_disabled gpl libcdio
3599 die_license_disabled gpl libutvideo
3600 die_license_disabled gpl libvidstab
3601 die_license_disabled gpl libx264
3602 die_license_disabled gpl libxavs
3603 die_license_disabled gpl libxvid
3604 die_license_disabled gpl x11grab
3605
3606 die_license_disabled nonfree libaacplus
3607 die_license_disabled nonfree libfaac
3608 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
3609 enabled gpl && die_license_disabled_gpl nonfree openssl
3610
3611 die_license_disabled version3 libopencore_amrnb
3612 die_license_disabled version3 libopencore_amrwb
3613 die_license_disabled version3 libvo_aacenc
3614 die_license_disabled version3 libvo_amrwbenc
3615
3616 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3617
3618 disabled optimizations || check_cflags -fomit-frame-pointer
3619
3620 enable_weak_pic() {
3621     disabled pic && return
3622     enable pic
3623     add_cppflags -DPIC
3624     add_cflags   -fPIC
3625     add_asflags  -fPIC
3626 }
3627
3628 enabled pic && enable_weak_pic
3629
3630 check_cc <<EOF || die "Symbol mangling check failed."
3631 int ff_extern;
3632 EOF
3633 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3634 extern_prefix=${sym%%ff_extern*}
3635
3636 check_cc <<EOF && enable_weak inline_asm
3637 void foo(void) { __asm__ volatile ("" ::); }
3638 EOF
3639
3640 _restrict=
3641 for restrict_keyword in restrict __restrict__ __restrict; do
3642     check_cc <<EOF && _restrict=$restrict_keyword && break
3643 void foo(char * $restrict_keyword p);
3644 EOF
3645 done
3646
3647 check_cc <<EOF && enable attribute_packed
3648 struct { int x; } __attribute__((packed)) x;
3649 EOF
3650
3651 check_cc <<EOF && enable attribute_may_alias
3652 union { int x; } __attribute__((may_alias)) x;
3653 EOF
3654
3655 check_cc <<EOF || die "endian test failed"
3656 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3657 EOF
3658 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3659
3660 if enabled alpha; then
3661
3662     check_cflags -mieee
3663
3664 elif enabled arm; then
3665
3666     check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
3667 float func(float a, float b){ return a+b; }
3668 EOF
3669
3670     enabled thumb && check_cflags -mthumb || check_cflags -marm
3671     nogas=die
3672
3673     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3674         enable vfp_args
3675     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3676         case "${cross_prefix:-$cc}" in
3677             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
3678             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3679 __asm__ (".eabi_attribute 28, 1");
3680 int main(void) { return 0; }
3681 EOF
3682         esac
3683         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3684     fi
3685
3686     enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
3687     enabled armv6   && check_insn armv6   'sadd16 r0, r0, r0'
3688     enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
3689     enabled neon    && check_insn neon    'vadd.i16 q0, q0, q0'
3690     enabled vfp     && check_insn vfp     'fadds s0, s0, s0'
3691     enabled vfpv3   && check_insn vfpv3   'vmov.f32 s0, #1.0'
3692
3693     [ $target_os = linux ] ||
3694         map 'enabled_any ${v}_external ${v}_inline || disable $v' \
3695             $ARCH_EXT_LIST_ARM
3696
3697     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3698     check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
3699
3700     enabled_all armv6t2 shared !pic && enable_weak_pic
3701
3702 elif enabled mips; then
3703
3704     check_inline_asm loongson '"dmult.g $1, $2, $3"'
3705     enabled mips32r2  && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
3706      check_inline_asm mips32r2  '"rotr $t0, $t1, 1"'
3707     enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
3708      check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
3709     enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
3710      check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
3711     enabled mipsfpu   && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
3712      check_inline_asm mipsfpu   '"madd.d $f0, $f2, $f4, $f6"'
3713
3714 elif enabled parisc; then
3715
3716     if enabled gcc; then
3717         case $($cc -dumpversion) in
3718             4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
3719         esac
3720     fi
3721
3722 elif enabled ppc; then
3723
3724     enable local_aligned_8 local_aligned_16
3725
3726     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
3727     check_inline_asm ibm_asm   '"add 0, 0, 0"'
3728     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'
3729     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
3730
3731     # AltiVec flags: The FSF version of GCC differs from the Apple version
3732     if enabled altivec; then
3733         nogas=warn
3734         check_cflags -maltivec -mabi=altivec &&
3735         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3736         check_cflags -faltivec
3737
3738         # check if our compiler supports Motorola AltiVec C API
3739         check_cc <<EOF || disable altivec
3740 $inc_altivec_h
3741 int main(void) {
3742     vector signed int v1 = (vector signed int) { 0 };
3743     vector signed int v2 = (vector signed int) { 1 };
3744     v1 = vec_add(v1, v2);
3745     return 0;
3746 }
3747 EOF
3748
3749         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
3750     fi
3751
3752 elif enabled sparc; then
3753
3754     enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
3755
3756 elif enabled x86; then
3757
3758     check_builtin rdtsc    intrin.h   "__rdtsc()"
3759     check_builtin mm_empty mmintrin.h "_mm_empty()"
3760
3761     enable local_aligned_8 local_aligned_16
3762
3763     # check whether EBP is available on x86
3764     # As 'i' is stored on the stack, this program will crash
3765     # if the base pointer is used to access it because the
3766     # base pointer is cleared in the inline assembly code.
3767     check_exec_crash <<EOF && enable ebp_available
3768 volatile int i=0;
3769 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
3770 return i;
3771 EOF
3772
3773     # check whether EBX is available on x86
3774     check_inline_asm ebx_available '""::"b"(0)' &&
3775         check_inline_asm ebx_available '"":::"%ebx"'
3776
3777     # check whether xmm clobbers are supported
3778     check_inline_asm xmm_clobbers '"":::"%xmm0"'
3779
3780     # check whether binutils is new enough to compile SSSE3/MMXEXT
3781     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'
3782     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
3783
3784     if ! disabled_any asm mmx yasm; then
3785         if check_cmd $yasmexe --version; then
3786             enabled x86_64 && yasm_extra="-m amd64"
3787             yasm_debug="-g dwarf2"
3788         elif check_cmd nasm -v; then
3789             yasmexe=nasm
3790             yasm_debug="-g -F dwarf"
3791             enabled x86_64 && test "$objformat" = elf && objformat=elf64
3792         fi
3793
3794         YASMFLAGS="-f $objformat $yasm_extra"
3795         enabled pic               && append YASMFLAGS "-DPIC"
3796         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
3797         case "$objformat" in
3798             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3799         esac
3800
3801         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3802             die "yasm not found, use --disable-yasm for a crippled build"
3803         check_yasm "vextractf128 xmm0, ymm0, 0"      || disable avx_external
3804         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
3805         check_yasm "CPU amdnop" && enabled i686 && enable cpunop
3806     fi
3807
3808     case "$cpu" in
3809         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3810             disable fast_clz
3811         ;;
3812     esac
3813
3814 fi
3815
3816 if enabled asm; then
3817     as=${gas:=$as}
3818     check_as <<EOF && enable gnu_as || \
3819         $nogas "GNU assembler not found, install gas-preprocessor"
3820 .macro m n
3821 \n: .int 0
3822 .endm
3823 m x
3824 EOF
3825 fi
3826
3827 check_ldflags -Wl,--as-needed
3828
3829 if check_func dlopen; then
3830     ldl=
3831 elif check_func dlopen -ldl; then
3832     ldl=-ldl
3833 fi
3834
3835 if ! disabled network; then
3836     check_type "sys/types.h sys/socket.h" socklen_t
3837     check_type netdb.h "struct addrinfo"
3838     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
3839     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
3840     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3841     check_type netinet/in.h "struct sockaddr_in6"
3842     check_type poll.h "struct pollfd"
3843     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3844     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3845     check_type netinet/sctp.h "struct sctp_event_subscribe"
3846     check_func getaddrinfo $network_extralibs
3847     check_func getservbyport $network_extralibs
3848     # Prefer arpa/inet.h over winsock2
3849     if check_header arpa/inet.h ; then
3850         check_func closesocket
3851     elif check_header winsock2.h ; then
3852         check_func_headers winsock2.h closesocket -lws2 &&
3853             network_extralibs="-lws2" ||
3854         { check_func_headers winsock2.h closesocket -lws2_32 &&
3855             network_extralibs="-lws2_32"; }
3856         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
3857         check_type ws2tcpip.h socklen_t
3858         check_type ws2tcpip.h "struct addrinfo"
3859         check_type ws2tcpip.h "struct group_source_req"
3860         check_type ws2tcpip.h "struct ip_mreq_source"
3861         check_type ws2tcpip.h "struct ipv6_mreq"
3862         check_type winsock2.h "struct pollfd"
3863         check_type ws2tcpip.h "struct sockaddr_in6"
3864         check_type ws2tcpip.h "struct sockaddr_storage"
3865         check_struct winsock2.h "struct sockaddr" sa_len
3866     else
3867         disable network
3868     fi
3869 fi
3870
3871 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3872 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3873
3874 check_func  access
3875 check_func  clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
3876 check_func  fcntl
3877 check_func  fork
3878 check_func_headers stdlib.h getenv
3879 check_func  gethrtime
3880 check_func  getopt
3881 check_func  getrusage
3882 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3883 check_func  gettimeofday
3884 check_func  inet_aton $network_extralibs
3885 check_func  isatty
3886 check_func  localtime_r
3887 check_func  ${malloc_prefix}memalign            && enable memalign
3888 check_func  mkstemp
3889 check_func  mmap
3890 check_func  mprotect
3891 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
3892 check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc
3893 check_func  setrlimit
3894 check_func  strerror_r
3895 check_func  sched_getaffinity
3896 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
3897 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
3898 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
3899 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
3900 check_func  sysconf
3901 check_func  sysctl
3902 check_func  usleep
3903 check_func_headers conio.h kbhit
3904 check_func_headers windows.h PeekNamedPipe
3905 check_func_headers io.h setmode
3906 check_func_headers lzo/lzo1x.h lzo1x_999_compress
3907 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
3908 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
3909 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3910 check_func_headers windows.h GetProcessAffinityMask
3911 check_func_headers windows.h GetProcessTimes
3912 check_func_headers windows.h GetSystemTimeAsFileTime
3913 check_func_headers windows.h MapViewOfFile
3914 check_func_headers windows.h SetConsoleTextAttribute
3915 check_func_headers windows.h Sleep
3916 check_func_headers windows.h VirtualAlloc
3917 check_func_headers glob.h glob
3918
3919 check_header cl/cl.h
3920 check_header direct.h
3921 check_header dlfcn.h
3922 check_header dxva.h
3923 check_header dxva2api.h -D_WIN32_WINNT=0x0600
3924 check_header io.h
3925 check_header libcrystalhd/libcrystalhd_if.h
3926 check_header malloc.h
3927 check_header poll.h
3928 check_header sys/mman.h
3929 check_header sys/param.h
3930 check_header sys/resource.h
3931 check_header sys/select.h
3932 check_header sys/time.h
3933 check_header termios.h
3934 check_header unistd.h
3935 check_header vdpau/vdpau.h
3936 check_header vdpau/vdpau_x11.h
3937 check_header VideoDecodeAcceleration/VDADecoder.h
3938 check_header windows.h
3939 check_header X11/extensions/XvMClib.h
3940 check_header asm/types.h
3941
3942 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3943 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3944
3945 if ! disabled w32threads && ! enabled pthreads; then
3946     check_func_headers "windows.h process.h" _beginthreadex && enable w32threads
3947 fi
3948
3949 # check for some common methods of building with pthread support
3950 # do this before the optional library checks as some of them require pthreads
3951 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3952     enable pthreads
3953     if check_func pthread_create; then
3954         :
3955     elif check_func pthread_create -pthread; then
3956         add_cflags -pthread
3957         add_extralibs -pthread
3958     elif check_func pthread_create -pthreads; then
3959         add_cflags -pthreads
3960         add_extralibs -pthreads
3961     elif check_func pthread_create -lpthreadGC2; then
3962         add_extralibs -lpthreadGC2
3963     elif ! check_lib pthread.h pthread_create -lpthread; then
3964         disable pthreads
3965     fi
3966 fi
3967
3968 for thread in $THREADS_LIST; do
3969     if enabled $thread; then
3970         test -n "$thread_type" &&
3971             die "ERROR: Only one thread type must be selected." ||
3972             thread_type="$thread"
3973     fi
3974 done
3975
3976 if enabled pthreads; then
3977   check_func pthread_cancel
3978 fi
3979
3980 enabled sync_val_compare_and_swap && enable atomics_gcc
3981 enabled machine_rw_barrier && enabled atomic_cas_ptr && enable atomics_suncc
3982 enabled MemoryBarrier && enable atomics_win32
3983
3984 check_lib math.h sin -lm && LIBM="-lm"
3985 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3986 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3987
3988 atan2f_args=2
3989 ldexpf_args=2
3990 powf_args=2
3991
3992 for func in $MATH_FUNCS; do
3993     eval check_mathfunc $func \${${func}_args:-1}
3994 done
3995
3996 # these are off by default, so fail if requested and not available
3997 enabled avisynth   && { { check_lib2 "windows.h" LoadLibrary; } ||
3998                         { check_lib2 "dlfcn.h" dlopen -ldl; } ||
3999                         die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
4000 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4001 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4002 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4003 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
4004 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
4005 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
4006 enabled libbluray  && require libbluray libbluray/bluray.h bd_open -lbluray
4007 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0 &&
4008                       { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
4009                         die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
4010 enabled libcaca    && require_pkg_config caca caca.h caca_create_canvas
4011 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4012 enabled libfdk_aac && require  libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
4013 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"
4014 enabled libflite   && require2 libflite "flite/flite.h" flite_init $flite_libs
4015 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
4016 enabled libgsm     && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4017                             check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4018                         done || die "ERROR: libgsm not found"; }
4019 enabled libilbc    && require  libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4020 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
4021 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4022 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
4023 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4024 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4025 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
4026 enabled libopenjpeg && { check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg ||
4027                          check_lib openjpeg.h opj_version -lopenjpeg ||
4028                          die "ERROR: libopenjpeg not found"; }
4029 enabled libopus    && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4030 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4031 enabled libquvi    && require_pkg_config libquvi quvi/quvi.h quvi_init
4032 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4033 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4034 enabled libshine   && require_pkg_config shine shine/layer3.h shine_encode_frame
4035 enabled libsoxr    && require  libsoxr soxr.h soxr_create -lsoxr
4036 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
4037 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
4038     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
4039     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
4040 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4041 enabled libtwolame && require  libtwolame twolame.h twolame_init -ltwolame &&
4042                       { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
4043                         die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
4044 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
4045 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
4046 enabled libvidstab && require_pkg_config vidstab vid.stab/libvidstab.h vsMotionDetectInit
4047 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4048 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4049 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4050 enabled libvpx     && {
4051     enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
4052                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
4053     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 ||
4054                                 die "ERROR: libvpx encoder version must be >=0.9.7"; }
4055     enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder;  }
4056     enabled libvpx_vp9_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx" -lvpx || disable libvpx_vp9_encoder; } }
4057 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
4058                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4059                         die "ERROR: libx264 must be installed and version must be >= 0.118."; }
4060 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
4061 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
4062 enabled libzmq     && require_pkg_config libzmq zmq.h zmq_ctx_new
4063 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
4064                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
4065                         die "ERROR: openal not found"; } &&
4066                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
4067                         die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
4068 enabled opencl     && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
4069                         check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
4070                         die "ERROR: opencl not found"; } &&
4071                       { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
4072                         check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
4073                         die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
4074 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
4075                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
4076                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
4077                         die "ERROR: openssl not found"; }
4078
4079 if enabled gnutls; then
4080     { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
4081     { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
4082 fi
4083
4084 # libdc1394 check
4085 if enabled libdc1394; then
4086     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
4087         enable libdc1394_2; } ||
4088     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
4089         enable libdc1394_1; } ||
4090     die "ERROR: No version of libdc1394 found "
4091 fi
4092
4093 SDL_CONFIG="${cross_prefix}sdl-config"
4094 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
4095     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4096     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4097     enable sdl
4098 else
4099   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
4100     sdl_cflags=$("${SDL_CONFIG}" --cflags)
4101     sdl_libs=$("${SDL_CONFIG}" --libs)
4102     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
4103     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4104     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4105     enable sdl
4106   fi
4107 fi
4108 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
4109
4110 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
4111 makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
4112 perl --version > /dev/null 2>&1 && enable perl || disable perl
4113 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
4114 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
4115
4116 check_header linux/fb.h
4117 check_header linux/videodev.h
4118 check_header linux/videodev2.h
4119 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
4120
4121 check_header sys/videoio.h
4122
4123 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
4124 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
4125 # w32api 3.12 had it defined wrong
4126 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
4127
4128 check_type "dshow.h" IBaseFilter
4129
4130 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
4131 { check_header dev/bktr/ioctl_meteor.h &&
4132   check_header dev/bktr/ioctl_bt848.h; } ||
4133 { check_header machine/ioctl_meteor.h &&
4134   check_header machine/ioctl_bt848.h; } ||
4135 { check_header dev/video/meteor/ioctl_meteor.h &&
4136   check_header dev/video/bktr/ioctl_bt848.h; } ||
4137 check_header dev/ic/bt8xx.h
4138
4139 check_header sndio.h
4140 if check_struct sys/soundcard.h audio_buf_info bytes; then
4141     enable_safe sys/soundcard.h
4142 else
4143     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
4144     #include <sys/soundcard.h>
4145     audio_buf_info abc;
4146 EOF
4147 fi
4148 check_header soundcard.h
4149
4150 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
4151
4152 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
4153     check_func jack_port_get_latency_range -ljack
4154
4155 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
4156
4157 if enabled libcdio; then
4158     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio || check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio
4159 fi
4160
4161 enabled x11grab                                           &&
4162 require X11 X11/Xlib.h XOpenDisplay -lX11                 &&
4163 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
4164 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
4165
4166 if ! disabled vaapi; then
4167     check_lib va/va.h vaInitialize -lva && {
4168         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
4169         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
4170     } || disable vaapi
4171 fi
4172
4173 enabled vdpau &&
4174     check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
4175     disable vdpau
4176
4177 # Funny iconv installations are not unusual, so check it after all flags have been set
4178 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
4179
4180 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
4181
4182 # add some useful compiler flags if supported
4183 check_cflags -Wdeclaration-after-statement
4184 check_cflags -Wall
4185 check_cflags -Wno-parentheses
4186 check_cflags -Wno-switch
4187 check_cflags -Wno-format-zero-length
4188 check_cflags -Wdisabled-optimization
4189 check_cflags -Wpointer-arith
4190 check_cflags -Wredundant-decls
4191 check_cflags -Wno-pointer-sign
4192 check_cflags -Wwrite-strings
4193 check_cflags -Wtype-limits
4194 check_cflags -Wundef
4195 check_cflags -Wmissing-prototypes
4196 check_cflags -Wno-pointer-to-int-cast
4197 check_cflags -Wstrict-prototypes
4198 enabled extra_warnings && check_cflags -Winline
4199
4200 # add some linker flags
4201 check_ldflags -Wl,--warn-common
4202 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
4203 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
4204
4205 enabled xmm_clobber_test &&
4206     check_ldflags -Wl,--wrap,avcodec_open2              \
4207                   -Wl,--wrap,avcodec_decode_audio4      \
4208                   -Wl,--wrap,avcodec_decode_video2      \
4209                   -Wl,--wrap,avcodec_decode_subtitle2   \
4210                   -Wl,--wrap,avcodec_encode_audio2      \
4211                   -Wl,--wrap,avcodec_encode_video       \
4212                   -Wl,--wrap,avcodec_encode_subtitle    \
4213                   -Wl,--wrap,sws_scale ||
4214     disable xmm_clobber_test
4215
4216 echo "X{};" > $TMPV
4217 if test_ldflags -Wl,--version-script,$TMPV; then
4218     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
4219     check_cc <<EOF && enable symver_asm_label
4220 void ff_foo(void) __asm__ ("av_foo@VERSION");
4221 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
4222 EOF
4223     check_cc <<EOF && enable symver_gnu_asm
4224 __asm__(".symver ff_foo,av_foo@VERSION");
4225 void ff_foo(void) {}
4226 EOF
4227 fi
4228
4229 if [ -z "$optflags" ]; then
4230     if enabled small; then
4231         optflags=$cflags_size
4232     elif enabled optimizations; then
4233         optflags=$cflags_speed
4234     else
4235         optflags=$cflags_noopt
4236     fi
4237 fi
4238
4239 check_optflags(){
4240     check_cflags "$@"
4241     enabled lto && check_ldflags "$@"
4242 }
4243
4244
4245 if enabled lto; then
4246     test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
4247     check_cflags  -flto
4248     check_ldflags -flto $cpuflags
4249 fi
4250
4251 check_optflags $optflags
4252 check_optflags -fno-math-errno
4253 check_optflags -fno-signed-zeros
4254
4255 enabled ftrapv && check_cflags -ftrapv
4256
4257 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
4258 int x;
4259 EOF
4260
4261
4262 if enabled icc; then
4263     # Just warnings, no remarks
4264     check_cflags -w1
4265     # -wd: Disable following warnings
4266     # 144, 167, 556: -Wno-pointer-sign
4267     # 188: enumerated type mixed with another type
4268     # 1292: attribute "foo" ignored
4269     # 1419: external declaration in primary source file
4270     # 10006: ignoring unknown option -fno-signed-zeros
4271     # 10148: ignoring unknown option -Wno-parentheses
4272     # 10156: ignoring option '-W'; no argument required
4273     check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156
4274     # 11030: Warning unknown option --as-needed
4275     # 10156: ignoring option '-export'; no argument required
4276     check_ldflags -wd10156,11030
4277     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
4278     enable ebp_available
4279     if enabled x86_32; then
4280         icc_version=$($cc -dumpversion)
4281         test ${icc_version%%.*} -ge 11 &&
4282             check_cflags -falign-stack=maintain-16-byte ||
4283             disable aligned_stack
4284     fi
4285 elif enabled ccc; then
4286     # disable some annoying warnings
4287     add_cflags -msg_disable bitnotint
4288     add_cflags -msg_disable mixfuncvoid
4289     add_cflags -msg_disable nonstandcast
4290     add_cflags -msg_disable unsupieee
4291 elif enabled gcc; then
4292     check_optflags -fno-tree-vectorize
4293     check_cflags -Werror=implicit-function-declaration
4294     check_cflags -Werror=missing-prototypes
4295     check_cflags -Werror=return-type
4296     check_cflags -Werror=vla
4297 elif enabled llvm_gcc; then
4298     check_cflags -mllvm -stack-alignment=16
4299 elif enabled clang; then
4300     check_cflags -mllvm -stack-alignment=16
4301     check_cflags -Qunused-arguments
4302     check_cflags -Werror=implicit-function-declaration
4303     check_cflags -Werror=missing-prototypes
4304     check_cflags -Werror=return-type
4305 elif enabled armcc; then
4306     # 2523: use of inline assembler is deprecated
4307     add_cflags -W${armcc_opt},--diag_suppress=2523
4308     add_cflags -W${armcc_opt},--diag_suppress=1207
4309     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
4310     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
4311     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
4312     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
4313 elif enabled tms470; then
4314     add_cflags -pds=824 -pds=837
4315 elif enabled pathscale; then
4316     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
4317 elif enabled msvc; then
4318     enabled x86_32 && disable aligned_stack
4319 fi
4320
4321 case $target_os in
4322     osf1)
4323         enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
4324     ;;
4325     plan9)
4326         add_cppflags -Dmain=plan9_main
4327     ;;
4328 esac
4329
4330 enable frame_thread_encoder
4331 enabled_any $THREADS_LIST      && enable threads
4332 enabled_any $ATOMICS_LIST      && enable atomics_native
4333
4334 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
4335
4336 check_deps $CONFIG_LIST       \
4337            $CONFIG_EXTRA      \
4338            $HAVE_LIST         \
4339            $ALL_COMPONENTS    \
4340
4341
4342 if test $target_os = "haiku"; then
4343     disable memalign
4344     disable posix_memalign
4345 fi
4346
4347 ! enabled_any memalign posix_memalign aligned_malloc &&
4348     enabled_any $need_memalign && enable memalign_hack
4349
4350 # add_dep lib dep
4351 # -> enable ${lib}_deps_${dep}
4352 # -> add $dep to ${lib}_deps only once
4353 add_dep() {
4354     lib=$1
4355     dep=$2
4356     enabled "${lib}_deps_${dep}" && return 0
4357     enable  "${lib}_deps_${dep}"
4358     prepend "${lib}_deps" $dep
4359 }
4360
4361 # merge deps lib components
4362 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
4363 merge_deps() {
4364     lib=$1
4365     shift
4366     for comp in $*; do
4367         enabled $comp || continue
4368         eval "dep=\"\$${comp}_deps\""
4369         for d in $dep; do
4370             add_dep $lib $d
4371         done
4372     done
4373 }
4374
4375 merge_deps libavfilter $FILTER_LIST
4376
4377 echo "install prefix            $prefix"
4378 echo "source path               $source_path"
4379 echo "C compiler                $cc"
4380 echo "ARCH                      $arch ($cpu)"
4381 if test "$build_suffix" != ""; then
4382     echo "build suffix              $build_suffix"
4383 fi
4384 if test "$progs_suffix" != ""; then
4385     echo "progs suffix              $progs_suffix"
4386 fi
4387 if test "$extra_version" != ""; then
4388     echo "version string suffix     $extra_version"
4389 fi
4390 echo "big-endian                ${bigendian-no}"
4391 echo "runtime cpu detection     ${runtime_cpudetect-no}"
4392 if enabled x86; then
4393     echo "${yasmexe}                      ${yasm-no}"
4394     echo "MMX enabled               ${mmx-no}"
4395     echo "MMXEXT enabled            ${mmxext-no}"
4396     echo "3DNow! enabled            ${amd3dnow-no}"
4397     echo "3DNow! extended enabled   ${amd3dnowext-no}"
4398     echo "SSE enabled               ${sse-no}"
4399     echo "SSSE3 enabled             ${ssse3-no}"
4400     echo "AVX enabled               ${avx-no}"
4401     echo "FMA4 enabled              ${fma4-no}"
4402     echo "i686 features enabled     ${i686-no}"
4403     echo "CMOV is fast              ${fast_cmov-no}"
4404     echo "EBX available             ${ebx_available-no}"
4405     echo "EBP available             ${ebp_available-no}"
4406 fi
4407 if enabled arm; then
4408     echo "ARMv5TE enabled           ${armv5te-no}"
4409     echo "ARMv6 enabled             ${armv6-no}"
4410     echo "ARMv6T2 enabled           ${armv6t2-no}"
4411     echo "VFP enabled               ${vfp-no}"
4412     echo "NEON enabled              ${neon-no}"
4413     echo "THUMB enabled             ${thumb-no}"
4414 fi
4415 if enabled mips; then
4416     echo "MIPS FPU enabled          ${mipsfpu-no}"
4417     echo "MIPS32R2 enabled          ${mips32r2-no}"
4418     echo "MIPS DSP R1 enabled       ${mipsdspr1-no}"
4419     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"
4420 fi
4421 if enabled ppc; then
4422     echo "AltiVec enabled           ${altivec-no}"
4423     echo "PPC 4xx optimizations     ${ppc4xx-no}"
4424     echo "dcbzl available           ${dcbzl-no}"
4425 fi
4426 if enabled sparc; then
4427     echo "VIS enabled               ${vis-no}"
4428 fi
4429 echo "debug symbols             ${debug-no}"
4430 echo "strip symbols             ${stripping-no}"
4431 echo "optimize for size         ${small-no}"
4432 echo "optimizations             ${optimizations-no}"
4433 echo "static                    ${static-no}"
4434 echo "shared                    ${shared-no}"
4435 echo "postprocessing support    ${postproc-no}"
4436 echo "new filter support        ${avfilter-no}"
4437 echo "network support           ${network-no}"
4438 echo "threading support         ${thread_type-no}"
4439 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
4440 echo "SDL support               ${sdl-no}"
4441 echo "opencl enabled            ${opencl-no}"
4442 echo "libshine enabled          ${libshine-no}"
4443 echo "texi2html enabled         ${texi2html-no}"
4444 echo "perl enabled              ${perl-no}"
4445 echo "pod2man enabled           ${pod2man-no}"
4446 echo "makeinfo enabled          ${makeinfo-no}"
4447 test -n "$random_seed" &&
4448     echo "random seed               ${random_seed}"
4449 echo
4450
4451 echo "External libraries:"
4452 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
4453 echo
4454
4455 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
4456     echo "Enabled ${type}s:"
4457     eval list=\$$(toupper $type)_LIST
4458     print_enabled '_*' $list | print_3_columns
4459     echo
4460 done
4461
4462 license="LGPL version 2.1 or later"
4463 if enabled nonfree; then
4464     license="nonfree and unredistributable"
4465 elif enabled gplv3; then
4466     license="GPL version 3 or later"
4467 elif enabled lgplv3; then
4468     license="LGPL version 3 or later"
4469 elif enabled gpl; then
4470     license="GPL version 2 or later"
4471 fi
4472
4473 echo "License: $license"
4474
4475 echo "Creating config.mak, config.h, and doc/config.texi..."
4476
4477 test -e Makefile || $ln_s "$source_path/Makefile" .
4478
4479 enabled stripping || strip="echo skipping strip"
4480
4481 config_files="$TMPH config.mak doc/config.texi"
4482
4483 cat > config.mak <<EOF
4484 # Automatically generated by configure - do not modify!
4485 ifndef FFMPEG_CONFIG_MAK
4486 FFMPEG_CONFIG_MAK=1
4487 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
4488 prefix=$prefix
4489 LIBDIR=\$(DESTDIR)$libdir
4490 SHLIBDIR=\$(DESTDIR)$shlibdir
4491 INCDIR=\$(DESTDIR)$incdir
4492 BINDIR=\$(DESTDIR)$bindir
4493 DATADIR=\$(DESTDIR)$datadir
4494 MANDIR=\$(DESTDIR)$mandir
4495 SRC_PATH=$source_path
4496 ifndef MAIN_MAKEFILE
4497 SRC_PATH:=\$(SRC_PATH:.%=..%)
4498 endif
4499 CC_IDENT=$cc_ident
4500 ARCH=$arch
4501 CC=$cc
4502 CXX=$cxx
4503 AS=$as
4504 LD=$ld
4505 DEPCC=$dep_cc
4506 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
4507 DEPAS=$as
4508 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
4509 YASM=$yasmexe
4510 DEPYASM=$yasmexe
4511 AR=$ar
4512 ARFLAGS=$arflags
4513 AR_O=$ar_o
4514 RANLIB=$ranlib
4515 CP=cp -p
4516 LN_S=$ln_s
4517 STRIP=$strip
4518 CPPFLAGS=$CPPFLAGS
4519 CFLAGS=$CFLAGS
4520 CXXFLAGS=$CXXFLAGS
4521 ASFLAGS=$ASFLAGS
4522 AS_C=$AS_C
4523 AS_O=$AS_O
4524 CC_C=$CC_C
4525 CC_E=$CC_E
4526 CC_O=$CC_O
4527 CXX_C=$CXX_C
4528 CXX_O=$CXX_O
4529 LD_O=$LD_O
4530 LD_LIB=$LD_LIB
4531 LD_PATH=$LD_PATH
4532 DLLTOOL=$dlltool
4533 LDFLAGS=$LDFLAGS
4534 LDFLAGS-ffserver=$FFSERVERLDFLAGS
4535 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
4536 YASMFLAGS=$YASMFLAGS
4537 BUILDSUF=$build_suffix
4538 PROGSSUF=$progs_suffix
4539 FULLNAME=$FULLNAME
4540 LIBPREF=$LIBPREF
4541 LIBSUF=$LIBSUF
4542 LIBNAME=$LIBNAME
4543 SLIBPREF=$SLIBPREF
4544 SLIBSUF=$SLIBSUF
4545 EXESUF=$EXESUF
4546 EXTRA_VERSION=$extra_version
4547 CCDEP=$CCDEP
4548 CXXDEP=$CXXDEP
4549 CCDEP_FLAGS=$CCDEP_FLAGS
4550 ASDEP=$ASDEP
4551 ASDEP_FLAGS=$ASDEP_FLAGS
4552 CC_DEPFLAGS=$CC_DEPFLAGS
4553 AS_DEPFLAGS=$AS_DEPFLAGS
4554 HOSTCC=$host_cc
4555 HOSTLD=$host_ld
4556 HOSTCFLAGS=$host_cflags
4557 HOSTCPPFLAGS=$host_cppflags
4558 HOSTEXESUF=$HOSTEXESUF
4559 HOSTLDFLAGS=$host_ldflags
4560 HOSTLIBS=$host_libs
4561 DEPHOSTCC=$host_cc
4562 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
4563 HOSTCCDEP=$HOSTCCDEP
4564 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
4565 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
4566 HOSTCC_C=$HOSTCC_C
4567 HOSTCC_O=$HOSTCC_O
4568 HOSTLD_O=$HOSTLD_O
4569 TARGET_EXEC=$target_exec $target_exec_args
4570 TARGET_PATH=$target_path
4571 LIBS-ffplay=$sdl_libs
4572 CFLAGS-ffplay=$sdl_cflags
4573 ZLIB=$($ldflags_filter -lz)
4574 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
4575 EXTRALIBS=$extralibs
4576 COMPAT_OBJS=$compat_objs
4577 EXEOBJS=$exeobjs
4578 INSTALL=$install
4579 LIBTARGET=${LIBTARGET}
4580 SLIBNAME=${SLIBNAME}
4581 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
4582 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
4583 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
4584 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
4585 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
4586 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
4587 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
4588 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
4589 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
4590 NOREDZONE_FLAGS=$noredzone_flags
4591 EOF
4592
4593 get_version(){
4594     lcname=lib${1}
4595     name=$(toupper $lcname)
4596     file=$source_path/$lcname/version.h
4597     eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
4598     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4599     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4600     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4601     eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
4602 }
4603
4604 map 'get_version $v' $LIBRARY_LIST
4605
4606 cat > $TMPH <<EOF
4607 /* Automatically generated by configure - do not modify! */
4608 #ifndef FFMPEG_CONFIG_H
4609 #define FFMPEG_CONFIG_H
4610 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
4611 #define FFMPEG_LICENSE "$(c_escape $license)"
4612 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
4613 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
4614 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
4615 #define av_restrict $_restrict
4616 #define EXTERN_PREFIX "${extern_prefix}"
4617 #define EXTERN_ASM ${extern_prefix}
4618 #define SLIBSUF "$SLIBSUF"
4619 #define HAVE_MMX2 HAVE_MMXEXT
4620 EOF
4621
4622 test -n "$assert_level" &&
4623     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
4624
4625 test -n "$malloc_prefix" &&
4626     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
4627
4628 if enabled yasm; then
4629     append config_files $TMPASM
4630     printf '' >$TMPASM
4631 fi
4632
4633 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
4634
4635
4636 mkdir -p doc
4637 echo "@c auto-generated by configure" > doc/config.texi
4638
4639 print_config ARCH_   "$config_files" $ARCH_LIST
4640 print_config HAVE_   "$config_files" $HAVE_LIST
4641 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
4642                                      $CONFIG_EXTRA      \
4643                                      $ALL_COMPONENTS    \
4644
4645 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
4646 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
4647
4648 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
4649 cp_if_changed $TMPH config.h
4650 touch .config
4651
4652 enabled yasm && cp_if_changed $TMPASM config.asm
4653
4654 cat > $TMPH <<EOF
4655 /* Generated by ffconf */
4656 #ifndef AVUTIL_AVCONFIG_H
4657 #define AVUTIL_AVCONFIG_H
4658 EOF
4659
4660 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
4661
4662 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
4663
4664 cp_if_changed $TMPH libavutil/avconfig.h
4665
4666 if test -n "$WARNINGS"; then
4667     printf "\n$WARNINGS"
4668     enabled fatal_warnings && exit 1
4669 fi
4670
4671 # build pkg-config files
4672
4673 pkgconfig_generate(){
4674     name=$1
4675     shortname=${name#lib}${build_suffix}
4676     comment=$2
4677     version=$3
4678     libs=$4
4679     requires=$5
4680     enabled ${name#lib} || return 0
4681     mkdir -p $name
4682     cat <<EOF > $name/$name${build_suffix}.pc
4683 prefix=$prefix
4684 exec_prefix=\${prefix}
4685 libdir=$libdir
4686 includedir=$incdir
4687
4688 Name: $name
4689 Description: $comment
4690 Version: $version
4691 Requires: $(enabled shared || echo $requires)
4692 Requires.private: $(enabled shared && echo $requires)
4693 Conflicts:
4694 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4695 Libs.private: $(enabled shared && echo $libs)
4696 Cflags: -I\${includedir}
4697 EOF
4698
4699 mkdir -p doc/examples/pc-uninstalled
4700 includedir=${source_path}
4701 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
4702     cat <<EOF > doc/examples/pc-uninstalled/$name.pc
4703 prefix=
4704 exec_prefix=
4705 libdir=\${pcfiledir}/../../../$name
4706 includedir=${includedir}
4707
4708 Name: $name
4709 Description: $comment
4710 Version: $version
4711 Requires: $requires
4712 Conflicts:
4713 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4714 Cflags: -I\${includedir}
4715 EOF
4716 }
4717
4718 lavfi_libs="libavutil${build_suffix} = $LIBAVUTIL_VERSION"
4719 enabled libavfilter_deps_avcodec    && prepend lavfi_libs "libavcodec${build_suffix} = $LIBAVCODEC_VERSION,"
4720 enabled libavfilter_deps_avformat   && prepend lavfi_libs "libavformat${build_suffix} = $LIBAVFORMAT_VERSION,"
4721 enabled libavfilter_deps_avresample && prepend lavfi_libs "libavresample${build_suffix} = $LIBAVRESAMPLE_VERSION,"
4722 enabled libavfilter_deps_swscale    && prepend lavfi_libs "libswscale${build_suffix} = $LIBSWSCALE_VERSION,"
4723 enabled libavfilter_deps_swresample && prepend lavfi_libs "libswresample${build_suffix} = $LIBSWRESAMPLE_VERSION,"
4724 enabled libavfilter_deps_postproc   && prepend lavfi_libs "libpostproc${build_suffix} = $LIBPOSTPROC_VERSION,"
4725 lavfi_libs=${lavfi_libs%, }
4726
4727 lavd_libs="libavformat${build_suffix} = $LIBAVFORMAT_VERSION"
4728 enabled lavfi_indev && prepend lavd_libs "libavfilter${build_suffix} = $LIBAVFILTER_VERSION,"
4729
4730 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
4731 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
4732 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec${build_suffix} = $LIBAVCODEC_VERSION"
4733 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$lavd_libs"
4734 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$lavfi_libs"
4735 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
4736 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
4737 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
4738 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
4739
4740 fix_ffmpeg_remote(){
4741     git_remote_from=$1
4742     git_remote_to=$2
4743     fixme_remote=$(git --git-dir=$source_path/.git --work-tree=$source_path remote -v | grep $git_remote_from | cut -f 1 | sort | uniq)
4744     if [ "$fixme_remote" != "" ]; then
4745         echolog "
4746 Outdated domain in git config, the official domain for ffmpeg git is since
4747 November 2011, source.ffmpeg.org, both the old and the new point to the same
4748 repository and server. To update it enter the following commands:
4749 "
4750         for remote in $fixme_remote; do
4751             echolog "git remote set-url $remote $git_remote_to"
4752         done
4753     fi
4754 }
4755
4756 if test -f "$source_path/.git/config"; then
4757     remote_from=git.videolan.org
4758     remote_to=source.ffmpeg.org
4759     fix_ffmpeg_remote git@$remote_from:ffmpeg   git@$remote_to:ffmpeg
4760     fix_ffmpeg_remote git://$remote_from/ffmpeg git://$remote_to/ffmpeg
4761 fi