build_sys: flashsv2_test depends on zlib
[ffmpeg.git] / configure
1 #!/bin/sh
2 #
3 # FFmpeg configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18     echo "Trying shell $1"
19     type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30     echo "Broken shell detected.  Trying alternatives."
31     export FF_CONF_EXEC
32     if test "0$FF_CONF_EXEC" -lt 1; then
33         FF_CONF_EXEC=1
34         try_exec bash "$0" "$@"
35     fi
36     if test "0$FF_CONF_EXEC" -lt 2; then
37         FF_CONF_EXEC=2
38         try_exec ksh "$0" "$@"
39     fi
40     if test "0$FF_CONF_EXEC" -lt 3; then
41         FF_CONF_EXEC=3
42         try_exec /usr/xpg4/bin/sh "$0" "$@"
43     fi
44     echo "No compatible shell script interpreter found."
45     echo "This configure script requires a POSIX-compatible shell"
46     echo "such as bash or ksh."
47     echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48     echo "Instead, install a working POSIX-compatible shell."
49     echo "Disabling this configure test will create a broken FFmpeg."
50     if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51         echo "This bash version ($BASH_VERSION) is broken on your platform."
52         echo "Upgrade to a later version if available."
53     fi
54     exit 1
55 fi
56
57 show_help(){
58 cat <<EOF
59 Usage: configure [options]
60 Options: [defaults in brackets after descriptions]
61
62 Standard options:
63   --help                   print this message
64   --logfile=FILE           log tests and output to FILE [config.log]
65   --disable-logging        do not log configure debug information
66   --prefix=PREFIX          install in PREFIX [$prefix]
67   --bindir=DIR             install binaries in DIR [PREFIX/bin]
68   --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
69   --libdir=DIR             install libs in DIR [PREFIX/lib]
70   --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
71   --incdir=DIR             install includes in DIR [PREFIX/include]
72   --mandir=DIR             install man page in DIR [PREFIX/share/man]
73
74 Configuration options:
75   --disable-static         do not build static libraries [no]
76   --enable-shared          build shared libraries [no]
77   --enable-gpl             allow use of GPL code, the resulting libs
78                            and binaries will be under GPL [no]
79   --enable-version3        upgrade (L)GPL to version 3 [no]
80   --enable-nonfree         allow use of nonfree code, the resulting libs
81                            and binaries will be unredistributable [no]
82   --disable-doc            do not build documentation
83   --disable-ffmpeg         disable ffmpeg build
84   --disable-ffplay         disable ffplay build
85   --disable-ffprobe        disable ffprobe build
86   --disable-ffserver       disable ffserver build
87   --disable-avdevice       disable libavdevice build
88   --disable-avcodec        disable libavcodec build
89   --disable-avformat       disable libavformat build
90   --disable-swresample     disable libswresample build
91   --disable-swscale        disable libswscale build
92   --disable-postproc       disable libpostproc build
93   --disable-avfilter       disable video filter support [no]
94   --disable-pthreads       disable pthreads [auto]
95   --disable-w32threads     disable Win32 threads [auto]
96   --disable-os2threads     disable OS/2 threads [auto]
97   --enable-x11grab         enable X11 grabbing [no]
98   --disable-network        disable network support [no]
99   --enable-gray            enable full grayscale support (slower color)
100   --disable-swscale-alpha  disable alpha channel support in swscale
101   --disable-fastdiv        disable table-based division
102   --enable-small           optimize for size instead of speed
103   --disable-aandct         disable AAN DCT code
104   --disable-dct            disable DCT code
105   --disable-fft            disable FFT code
106   --disable-golomb         disable Golomb code
107   --disable-huffman        disable Huffman code
108   --disable-lpc            disable LPC code
109   --disable-mdct           disable MDCT code
110   --disable-rdft           disable RDFT code
111   --enable-vaapi           enable VAAPI code [autodetect]
112   --enable-vda             enable VDA code [autodetect]
113   --enable-vdpau           enable VDPAU code [autodetect]
114   --disable-dxva2          disable DXVA2 code
115   --disable-vda            disable VDA code
116   --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
117   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
118   --disable-safe-bitstream-reader
119                            disable buffer boundary checking in bitreaders
120                            (faster, but may crash)
121   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
122   --disable-everything     disable all components listed below
123   --disable-encoder=NAME   disable encoder NAME
124   --enable-encoder=NAME    enable encoder NAME
125   --disable-encoders       disable all encoders
126   --disable-decoder=NAME   disable decoder NAME
127   --enable-decoder=NAME    enable decoder NAME
128   --disable-decoders       disable all decoders
129   --disable-hwaccel=NAME   disable hwaccel NAME
130   --enable-hwaccel=NAME    enable hwaccel NAME
131   --disable-hwaccels       disable all hwaccels
132   --disable-muxer=NAME     disable muxer NAME
133   --enable-muxer=NAME      enable muxer NAME
134   --disable-muxers         disable all muxers
135   --disable-demuxer=NAME   disable demuxer NAME
136   --enable-demuxer=NAME    enable demuxer NAME
137   --disable-demuxers       disable all demuxers
138   --enable-parser=NAME     enable parser NAME
139   --disable-parser=NAME    disable parser NAME
140   --disable-parsers        disable all parsers
141   --enable-bsf=NAME        enable bitstream filter NAME
142   --disable-bsf=NAME       disable bitstream filter NAME
143   --disable-bsfs           disable all bitstream filters
144   --enable-protocol=NAME   enable protocol NAME
145   --disable-protocol=NAME  disable protocol NAME
146   --disable-protocols      disable all protocols
147   --disable-indev=NAME     disable input device NAME
148   --disable-outdev=NAME    disable output device NAME
149   --disable-indevs         disable input devices
150   --disable-outdevs        disable output devices
151   --disable-devices        disable all devices
152   --enable-filter=NAME     enable filter NAME
153   --disable-filter=NAME    disable filter NAME
154   --disable-filters        disable all filters
155   --list-decoders          show all available decoders
156   --list-encoders          show all available encoders
157   --list-hwaccels          show all available hardware accelerators
158   --list-muxers            show all available muxers
159   --list-demuxers          show all available demuxers
160   --list-parsers           show all available parsers
161   --list-protocols         show all available protocols
162   --list-bsfs              show all available bitstream filters
163   --list-indevs            show all available input devices
164   --list-outdevs           show all available output devices
165   --list-filters           show all available filters
166
167 External library support:
168   --enable-avisynth        enable reading of AVISynth script files [no]
169   --enable-bzlib           enable bzlib [autodetect]
170   --enable-frei0r          enable frei0r video filtering
171   --enable-gnutls          enable gnutls [no]
172   --enable-libaacplus      enable AAC+ encoding via libaacplus [no]
173   --enable-libass          enable libass subtitles rendering [no]
174   --enable-libbluray       enable BluRay reading using libbluray [no]
175   --enable-libcelt         enable CELT decoding via libcelt [no]
176   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
177   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
178   --enable-libopencv       enable video filtering via libopencv [no]
179   --enable-libcdio         enable audio CD grabbing with libcdio
180   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
181                            and libraw1394 [no]
182   --enable-libdirac        enable Dirac support via libdirac [no]
183   --enable-libfaac         enable FAAC support via libfaac [no]
184   --enable-libfreetype     enable libfreetype [no]
185   --enable-libgsm          enable GSM support via libgsm [no]
186   --enable-libmodplug      enable ModPlug via libmodplug [no]
187   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
188   --enable-libnut          enable NUT (de)muxing via libnut,
189                            native (de)muxer exists [no]
190   --enable-libopenjpeg     enable JPEG 2000 encoding/decoding via OpenJPEG [no]
191   --enable-libpulse        enable Pulseaudio input via libpulse [no]
192   --enable-librtmp         enable RTMP[E] support via librtmp [no]
193   --enable-libschroedinger enable Dirac support via libschroedinger [no]
194   --enable-libspeex        enable Speex support via libspeex [no]
195   --enable-libstagefright-h264  enable H.264 decoding via libstagefright [no]
196   --enable-libtheora       enable Theora encoding via libtheora [no]
197   --enable-libutvideo      enable Ut Video encoding and decoding via libutvideo [no]
198   --enable-libv4l2         enable libv4l2/v4l-utils [no]
199   --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
200   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
201   --enable-libvorbis       enable Vorbis encoding via libvorbis,
202                            native implementation exists [no]
203   --enable-libvpx          enable VP8 support via libvpx [no]
204   --enable-libx264         enable H.264 encoding via x264 [no]
205   --enable-libxavs         enable AVS encoding via xavs [no]
206   --enable-libxvid         enable Xvid encoding via xvidcore,
207                            native MPEG-4/Xvid encoder exists [no]
208   --enable-openal          enable OpenAL 1.1 capture support [no]
209   --enable-openssl         enable openssl [no]
210   --enable-zlib            enable zlib [autodetect]
211
212 Advanced options (experts only):
213   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
214   --enable-cross-compile   assume a cross-compiler is used
215   --sysroot=PATH           root of cross-build tree
216   --sysinclude=PATH        location of cross-build system headers
217   --target-os=OS           compiler targets OS [$target_os]
218   --target-exec=CMD        command to run executables on target
219   --target-path=DIR        path to view of build directory on target
220   --nm=NM                  use nm tool NM [$nm_default]
221   --ar=AR                  use archive tool AR [$ar_default]
222   --as=AS                  use assembler AS [$as_default]
223   --yasmexe=EXE            use yasm-compatible assembler EXE [$yasmexe_default]
224   --cc=CC                  use C compiler CC [$cc_default]
225   --cxx=CXX                use C compiler CXX [$cxx_default]
226   --ld=LD                  use linker LD [$ld_default]
227   --host-cc=HOSTCC         use host C compiler HOSTCC
228   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
229   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
230   --host-libs=HLIBS        use libs HLIBS when linking for host
231   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
232   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
233   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
234   --extra-libs=ELIBS       add ELIBS [$ELIBS]
235   --extra-version=STRING   version string suffix []
236   --build-suffix=SUFFIX    library name suffix []
237   --progs-suffix=SUFFIX    program name suffix []
238   --arch=ARCH              select architecture [$arch]
239   --cpu=CPU                select the minimum required CPU (affects
240                            instruction selection, may crash on older CPUs)
241   --disable-asm            disable all assembler optimizations
242   --disable-altivec        disable AltiVec optimizations
243   --disable-amd3dnow       disable 3DNow! optimizations
244   --disable-amd3dnowext    disable 3DNow! extended optimizations
245   --disable-mmx            disable MMX optimizations
246   --disable-mmx2           disable MMX2 optimizations
247   --disable-sse            disable SSE optimizations
248   --disable-ssse3          disable SSSE3 optimizations
249   --disable-avx            disable AVX optimizations
250   --disable-armv5te        disable armv5te optimizations
251   --disable-armv6          disable armv6 optimizations
252   --disable-armv6t2        disable armv6t2 optimizations
253   --disable-armvfp         disable ARM VFP optimizations
254   --disable-mmi            disable MMI optimizations
255   --disable-neon           disable NEON optimizations
256   --disable-vis            disable VIS optimizations
257   --disable-yasm           disable use of yasm assembler
258   --enable-pic             build position-independent code
259   --malloc-prefix=PFX      prefix malloc and related names with PFX
260   --enable-sram            allow use of on-chip SRAM
261   --disable-symver         disable symbol versioning
262   --optflags               override optimization-related compiler flags
263   --postproc-version=V     build libpostproc version V.
264                            Where V can be '$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO' or 'current'. [$postproc_version_default]
265
266 Developer options (useful when working on FFmpeg itself):
267   --enable-coverage        build with test coverage instrumentation
268   --disable-debug          disable debugging symbols
269   --enable-debug=LEVEL     set the debug level [$debuglevel]
270   --disable-optimizations  disable compiler optimizations
271   --enable-extra-warnings  enable more compiler warnings
272   --disable-stripping      disable stripping of executables and shared libraries
273   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory
274                            leaks and errors, using the specified valgrind binary.
275                            Cannot be combined with --target-exec
276   --samples=PATH           location of test samples for FATE, if not set use
277                            \$FATE_SAMPLES at make invocation time.
278   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
279                            should be used only for debugging purposes)
280
281 NOTE: Object files are built at the place where configure is launched.
282 EOF
283   exit 0
284 }
285
286 quotes='""'
287
288 log(){
289     echo "$@" >> $logfile
290 }
291
292 log_file(){
293     log BEGIN $1
294     pr -n -t $1 >> $logfile
295     log END $1
296 }
297
298 echolog(){
299     log "$@"
300     echo "$@"
301 }
302
303 warn(){
304     log "WARNING: $*"
305     WARNINGS="${WARNINGS}WARNING: $*\n"
306 }
307
308 die(){
309     echolog "$@"
310     cat <<EOF
311
312 If you think configure made a mistake, make sure you are using the latest
313 version from Git.  If the latest version fails, report the problem to the
314 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
315 EOF
316     if disabled logging; then
317         cat <<EOF
318 Rerun configure with logging enabled (do not use --disable-logging), and
319 include the log this produces with your report.
320 EOF
321     else
322 cat <<EOF
323 Include the log file "$logfile" produced by configure as this will help
324 solving the problem.
325 EOF
326     fi
327     exit 1
328 }
329
330 # Avoid locale weirdness, besides we really just want to translate ASCII.
331 toupper(){
332     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
333 }
334
335 tolower(){
336     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
337 }
338
339 c_escape(){
340     echo "$*" | sed 's/["\\]/\\\0/g'
341 }
342
343 sh_quote(){
344     v=$(echo "$1" | sed "s/'/'\\\\''/g")
345     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
346     echo "$v"
347 }
348
349 cleanws(){
350     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
351 }
352
353 filter(){
354     pat=$1
355     shift
356     for v; do
357         eval "case $v in $pat) echo $v ;; esac"
358     done
359 }
360
361 filter_out(){
362     pat=$1
363     shift
364     for v; do
365         eval "case $v in $pat) ;; *) echo $v ;; esac"
366     done
367 }
368
369 map(){
370     m=$1
371     shift
372     for v; do eval $m; done
373 }
374
375 set_all(){
376     value=$1
377     shift
378     for var in $*; do
379         eval $var=$value
380     done
381 }
382
383 set_weak(){
384     value=$1
385     shift
386     for var; do
387         eval : \${$var:=$value}
388     done
389 }
390
391 set_safe(){
392     var=$1
393     shift
394     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
395 }
396
397 get_safe(){
398     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
399 }
400
401 pushvar(){
402     for var in $*; do
403         eval level=\${${var}_level:=0}
404         eval ${var}_${level}="\$$var"
405         eval ${var}_level=$(($level+1))
406     done
407 }
408
409 popvar(){
410     for var in $*; do
411         eval level=\${${var}_level:-0}
412         test $level = 0 && continue
413         eval level=$(($level-1))
414         eval $var="\${${var}_${level}}"
415         eval ${var}_level=$level
416         eval unset ${var}_${level}
417     done
418 }
419
420 enable(){
421     set_all yes $*
422 }
423
424 disable(){
425     set_all no $*
426 }
427
428 enable_weak(){
429     set_weak yes $*
430 }
431
432 disable_weak(){
433     set_weak no $*
434 }
435
436 enable_safe(){
437     for var; do
438         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
439     done
440 }
441
442 disable_safe(){
443     for var; do
444         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
445     done
446 }
447
448 do_enable_deep(){
449     for var; do
450         enabled $var && continue
451         eval sel="\$${var}_select"
452         eval sgs="\$${var}_suggest"
453         pushvar var sgs
454         enable_deep $sel
455         popvar sgs
456         enable_deep_weak $sgs
457         popvar var
458     done
459 }
460
461 enable_deep(){
462     do_enable_deep $*
463     enable $*
464 }
465
466 enable_deep_weak(){
467     do_enable_deep $*
468     enable_weak $*
469 }
470
471 enabled(){
472     test "${1#!}" = "$1" && op== || op=!=
473     eval test "x\$${1#!}" $op "xyes"
474 }
475
476 disabled(){
477     test "${1#!}" = "$1" && op== || op=!=
478     eval test "x\$${1#!}" $op "xno"
479 }
480
481 enabled_all(){
482     for opt; do
483         enabled $opt || return 1
484     done
485 }
486
487 disabled_all(){
488     for opt; do
489         disabled $opt || return 1
490     done
491 }
492
493 enabled_any(){
494     for opt; do
495         enabled $opt && return 0
496     done
497 }
498
499 disabled_any(){
500     for opt; do
501         disabled $opt && return 0
502     done
503     return 1
504 }
505
506 set_default(){
507     for opt; do
508         eval : \${$opt:=\$${opt}_default}
509     done
510 }
511
512 is_in(){
513     value=$1
514     shift
515     for var in $*; do
516         [ $var = $value ] && return 0
517     done
518     return 1
519 }
520
521 check_deps(){
522     for cfg; do
523         cfg="${cfg#!}"
524         enabled ${cfg}_checking && die "Circular dependency for $cfg."
525         disabled ${cfg}_checking && continue
526         enable ${cfg}_checking
527
528         eval dep_all="\$${cfg}_deps"
529         eval dep_any="\$${cfg}_deps_any"
530         eval dep_sel="\$${cfg}_select"
531         eval dep_sgs="\$${cfg}_suggest"
532         eval dep_ifa="\$${cfg}_if"
533         eval dep_ifn="\$${cfg}_if_any"
534
535         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
536         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
537         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
538
539         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
540         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
541         enabled_all  $dep_all || disable $cfg
542         enabled_any  $dep_any || disable $cfg
543         disabled_any $dep_sel && disable $cfg
544
545         if enabled $cfg; then
546             eval dep_extralibs="\$${cfg}_extralibs"
547             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
548             enable_deep $dep_sel
549             enable_deep_weak $dep_sgs
550         fi
551
552         disable ${cfg}_checking
553     done
554 }
555
556 print_config_h(){
557     enabled $1 && v=1 || v=0
558     echo "#define $2 $v"
559 }
560
561 print_config_mak(){
562     enabled $1 && v= || v=!
563     echo "$v$2=yes"
564 }
565
566 print_config_asm(){
567     enabled $1 && v=1 || v=0
568     echo "%define $2 $v"
569 }
570
571 print_config(){
572     pfx=$1
573     files=$2
574     shift 2
575     for cfg; do
576         ucname="$(toupper $cfg)"
577         for f in $files; do
578             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
579         done
580     done
581 }
582
583 print_enabled(){
584     test "$1" = -n && end=" " && shift || end="\n"
585     suf=$1
586     shift
587     for v; do
588         enabled $v && printf "%s$end" ${v%$suf};
589     done
590 }
591
592 append(){
593     var=$1
594     shift
595     eval "$var=\"\$$var $*\""
596 }
597
598 prepend(){
599     var=$1
600     shift
601     eval "$var=\"$* \$$var\""
602 }
603
604 add_cppflags(){
605     append CPPFLAGS $($filter_cppflags "$@")
606 }
607
608 add_cflags(){
609     append CFLAGS $($filter_cflags "$@")
610 }
611
612 add_cxxflags(){
613     append CXXFLAGS $($filter_cflags "$@")
614 }
615
616 add_asflags(){
617     append ASFLAGS $($filter_asflags "$@")
618 }
619
620 add_ldflags(){
621     append LDFLAGS "$@"
622 }
623
624 add_extralibs(){
625     prepend extralibs "$@"
626 }
627
628 check_cmd(){
629     log "$@"
630     "$@" >> $logfile 2>&1
631 }
632
633 check_cc(){
634     log check_cc "$@"
635     cat > $TMPC
636     log_file $TMPC
637     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
638 }
639
640 check_cxx(){
641     log check_cxx "$@"
642     cat > $TMPCPP
643     log_file $TMPCPP
644     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" -c -o $TMPO $TMPCPP
645 }
646
647 check_cpp(){
648     log check_cpp "$@"
649     cat > $TMPC
650     log_file $TMPC
651     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
652 }
653
654 check_as(){
655     log check_as "$@"
656     cat > $TMPC
657     log_file $TMPC
658     check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
659 }
660
661 check_asm(){
662     log check_asm "$@"
663     name="$1"
664     code="$2"
665     shift 2
666     disable $name
667     check_as "$@" <<EOF && enable $name
668 void foo(void){ __asm__ volatile($code); }
669 EOF
670 }
671
672 check_yasm(){
673     log check_yasm "$@"
674     echo "$1" > $TMPS
675     log_file $TMPS
676     shift 1
677     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
678 }
679
680 check_ld(){
681     log check_ld "$@"
682     type=$1
683     shift 1
684     flags=''
685     libs=''
686     for f; do
687         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
688     done
689     check_$type $($filter_cflags $flags) || return
690     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
691 }
692
693 check_cppflags(){
694     log check_cppflags "$@"
695     set -- $($filter_cppflags "$@")
696     check_cc "$@" <<EOF && append CPPFLAGS "$@"
697 int x;
698 EOF
699 }
700
701 check_cflags(){
702     log check_cflags "$@"
703     set -- $($filter_cflags "$@")
704     check_cc "$@" <<EOF && append CFLAGS "$@"
705 int x;
706 EOF
707 }
708
709 check_cxxflags(){
710     log check_cxxflags "$@"
711     set -- $($filter_cflags "$@")
712     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
713 int x;
714 EOF
715 }
716
717 test_ldflags(){
718     log test_ldflags "$@"
719     check_ld "cc" "$@" <<EOF
720 int main(void){ return 0; }
721 EOF
722 }
723
724 check_ldflags(){
725     log check_ldflags "$@"
726     test_ldflags "$@" && add_ldflags "$@"
727 }
728
729 check_header(){
730     log check_header "$@"
731     header=$1
732     shift
733     disable_safe $header
734     check_cpp "$@" <<EOF && enable_safe $header
735 #include <$header>
736 int x;
737 EOF
738 }
739
740 check_func(){
741     log check_func "$@"
742     func=$1
743     shift
744     disable $func
745     check_ld "cc" "$@" <<EOF && enable $func
746 extern int $func();
747 int main(void){ $func(); }
748 EOF
749 }
750
751 check_mathfunc(){
752     log check_mathfunc "$@"
753     func=$1
754     shift
755     disable $func
756     check_ld "cc" "$@" <<EOF && enable $func
757 #include <math.h>
758 float foo(float f) { return $func(f); }
759 int main(void){ return (int) foo; }
760 EOF
761 }
762
763 check_func_headers(){
764     log check_func_headers "$@"
765     headers=$1
766     funcs=$2
767     shift 2
768     {
769         for hdr in $headers; do
770             echo "#include <$hdr>"
771         done
772         for func in $funcs; do
773             echo "long check_$func(void) { return (long) $func; }"
774         done
775         echo "int main(void) { return 0; }"
776     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
777 }
778
779 check_class_headers_cpp(){
780     log check_class_headers_cpp "$@"
781     headers=$1
782     classes=$2
783     shift 2
784     {
785         for hdr in $headers; do
786             echo "#include <$hdr>"
787         done
788         echo "int main(void) { "
789         i=1
790         for class in $classes; do
791             echo "$class obj$i;"
792             i=$(expr $i + 1)
793         done
794         echo "return 0; }"
795     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
796 }
797
798 check_cpp_condition(){
799     log check_cpp_condition "$@"
800     header=$1
801     condition=$2
802     shift 2
803     check_cpp $($filter_cppflags "$@") <<EOF
804 #include <$header>
805 #if !($condition)
806 #error "unsatisfied condition: $condition"
807 #endif
808 EOF
809 }
810
811 check_lib(){
812     log check_lib "$@"
813     header="$1"
814     func="$2"
815     shift 2
816     check_header $header && check_func $func "$@" && add_extralibs "$@"
817 }
818
819 check_lib2(){
820     log check_lib2 "$@"
821     headers="$1"
822     funcs="$2"
823     shift 2
824     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
825 }
826
827 check_lib_cpp(){
828     log check_lib_cpp "$@"
829     headers="$1"
830     classes="$2"
831     shift 2
832     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
833 }
834
835 check_pkg_config(){
836     log check_pkg_config "$@"
837     pkg="$1"
838     headers="$2"
839     funcs="$3"
840     shift 3
841     $pkg_config --exists $pkg 2>/dev/null || return
842     pkg_cflags=$($pkg_config --cflags $pkg)
843     pkg_libs=$($pkg_config --libs $pkg)
844     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
845         set_safe ${pkg}_cflags $pkg_cflags   &&
846         set_safe ${pkg}_libs   $pkg_libs
847 }
848
849 check_exec(){
850     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
851 }
852
853 check_exec_crash(){
854     code=$(cat)
855
856     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
857     # are safe but may not be available everywhere.  Thus we use
858     # raise(SIGTERM) instead.  The check is run in a subshell so we
859     # can redirect the "Terminated" message from the shell.  SIGBUS
860     # is not defined by standard C so it is used conditionally.
861
862     (check_exec "$@") >> $logfile 2>&1 <<EOF
863 #include <signal.h>
864 static void sighandler(int sig){
865     raise(SIGTERM);
866 }
867 int func(void){
868     $code
869 }
870 int (*func_ptr)(void) = func;
871 int main(void){
872     signal(SIGILL, sighandler);
873     signal(SIGFPE, sighandler);
874     signal(SIGSEGV, sighandler);
875 #ifdef SIGBUS
876     signal(SIGBUS, sighandler);
877 #endif
878     return func_ptr();
879 }
880 EOF
881 }
882
883 check_type(){
884     log check_type "$@"
885     headers=$1
886     type=$2
887     shift 2
888     disable_safe "$type"
889     incs=""
890     for hdr in $headers; do
891         incs="$incs
892 #include <$hdr>"
893     done
894     check_cc "$@" <<EOF && enable_safe "$type"
895 $incs
896 $type v;
897 EOF
898 }
899
900 check_struct(){
901     log check_type "$@"
902     headers=$1
903     struct=$2
904     member=$3
905     shift 3
906     disable_safe "${struct}_${member}"
907     incs=""
908     for hdr in $headers; do
909         incs="$incs
910 #include <$hdr>"
911     done
912     check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
913 $incs
914 const void *p = &(($struct *)0)->$member;
915 EOF
916 }
917
918 require(){
919     name="$1"
920     header="$2"
921     func="$3"
922     shift 3
923     check_lib $header $func "$@" || die "ERROR: $name not found"
924 }
925
926 require2(){
927     name="$1"
928     headers="$2"
929     func="$3"
930     shift 3
931     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
932 }
933
934 require_cpp(){
935     name="$1"
936     headers="$2"
937     classes="$3"
938     shift 3
939     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
940 }
941
942 require_pkg_config(){
943     pkg="$1"
944     check_pkg_config "$@" || die "ERROR: $pkg not found"
945     add_cflags    $(get_safe ${pkg}_cflags)
946     add_extralibs $(get_safe ${pkg}_libs)
947 }
948
949 check_host_cc(){
950     log check_host_cc "$@"
951     cat > $TMPC
952     log_file $TMPC
953     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
954 }
955
956 check_host_cflags(){
957     log check_host_cflags "$@"
958     check_host_cc "$@" <<EOF && append host_cflags "$@"
959 int x;
960 EOF
961 }
962
963 apply(){
964     file=$1
965     shift
966     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
967 }
968
969 cp_if_changed(){
970     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
971     mkdir -p "$(dirname $2)"
972     cp -f "$1" "$2"
973 }
974
975 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
976 # system-dependent things.
977
978 COMPONENT_LIST="
979     bsfs
980     decoders
981     demuxers
982     encoders
983     filters
984     hwaccels
985     indevs
986     muxers
987     outdevs
988     parsers
989     protocols
990 "
991
992 PROGRAM_LIST="
993     ffplay
994     ffprobe
995     ffserver
996     ffmpeg
997 "
998
999 CONFIG_LIST="
1000     $COMPONENT_LIST
1001     $PROGRAM_LIST
1002     avplay
1003     avprobe
1004     avserver
1005     aandct
1006     ac3dsp
1007     avcodec
1008     avdevice
1009     avfilter
1010     avformat
1011     avisynth
1012     bzlib
1013     crystalhd
1014     dct
1015     doc
1016     dwt
1017     dxva2
1018     fastdiv
1019     fft
1020     frei0r
1021     gnutls
1022     golomb
1023     gpl
1024     gray
1025     h264chroma
1026     h264dsp
1027     h264pred
1028     hardcoded_tables
1029     huffman
1030     libaacplus
1031     libass
1032     libbluray
1033     libcdio
1034     libcelt
1035     libdc1394
1036     libdirac
1037     libfaac
1038     libfreetype
1039     libgsm
1040     libmodplug
1041     libmp3lame
1042     libnut
1043     libopencore_amrnb
1044     libopencore_amrwb
1045     libopencv
1046     libopenjpeg
1047     libpulse
1048     librtmp
1049     libschroedinger
1050     libspeex
1051     libstagefright_h264
1052     libtheora
1053     libutvideo
1054     libv4l2
1055     libvo_aacenc
1056     libvo_amrwbenc
1057     libvorbis
1058     libvpx
1059     libx264
1060     libxavs
1061     libxvid
1062     lpc
1063     lsp
1064     mdct
1065     memalign_hack
1066     mpegaudiodsp
1067     network
1068     nonfree
1069     openal
1070     openssl
1071     pic
1072     postproc
1073     rdft
1074     rtpdec
1075     runtime_cpudetect
1076     safe_bitstream_reader
1077     shared
1078     sinewin
1079     small
1080     sram
1081     static
1082     swresample
1083     swscale
1084     swscale_alpha
1085     thumb
1086     vaapi
1087     vda
1088     vdpau
1089     version3
1090     xmm_clobber_test
1091     x11grab
1092     zlib
1093 "
1094
1095 THREADS_LIST='
1096     pthreads
1097     w32threads
1098     os2threads
1099 '
1100
1101 ARCH_LIST='
1102     alpha
1103     arm
1104     avr32
1105     avr32_ap
1106     avr32_uc
1107     bfin
1108     ia64
1109     m68k
1110     mips
1111     mips64
1112     parisc
1113     ppc
1114     ppc64
1115     s390
1116     sh4
1117     sparc
1118     sparc64
1119     tomi
1120     x86
1121     x86_32
1122     x86_64
1123 '
1124
1125 ARCH_EXT_LIST='
1126     altivec
1127     amd3dnow
1128     amd3dnowext
1129     armv5te
1130     armv6
1131     armv6t2
1132     armvfp
1133     avx
1134     mmi
1135     mmx
1136     mmx2
1137     neon
1138     ppc4xx
1139     sse
1140     ssse3
1141     vfpv3
1142     vis
1143 '
1144
1145 HAVE_LIST_PUB='
1146     bigendian
1147     fast_unaligned
1148 '
1149
1150 HAVE_LIST="
1151     $ARCH_EXT_LIST
1152     $HAVE_LIST_PUB
1153     $THREADS_LIST
1154     aligned_stack
1155     alsa_asoundlib_h
1156     altivec_h
1157     arpa_inet_h
1158     asm_mod_y
1159     asm_types_h
1160     attribute_may_alias
1161     attribute_packed
1162     cbrtf
1163     closesocket
1164     cmov
1165     dcbzl
1166     dev_bktr_ioctl_bt848_h
1167     dev_bktr_ioctl_meteor_h
1168     dev_ic_bt8xx_h
1169     dev_video_bktr_ioctl_bt848_h
1170     dev_video_meteor_ioctl_meteor_h
1171     dlfcn_h
1172     dlopen
1173     dos_paths
1174     ebp_available
1175     ebx_available
1176     exp2
1177     exp2f
1178     fast_64bit
1179     fast_clz
1180     fast_cmov
1181     fcntl
1182     fork
1183     getaddrinfo
1184     gethrtime
1185     GetProcessAffinityMask
1186     GetProcessMemoryInfo
1187     GetProcessTimes
1188     getrusage
1189     gnu_as
1190     ibm_asm
1191     inet_aton
1192     inline_asm
1193     isatty
1194     kbhit
1195     ldbrx
1196     libdc1394_1
1197     libdc1394_2
1198     llrint
1199     llrintf
1200     local_aligned_16
1201     local_aligned_8
1202     localtime_r
1203     log2
1204     log2f
1205     loongson
1206     lrint
1207     lrintf
1208     lzo1x_999_compress
1209     machine_ioctl_bt848_h
1210     machine_ioctl_meteor_h
1211     makeinfo
1212     malloc_h
1213     MapViewOfFile
1214     memalign
1215     mkstemp
1216     mmap
1217     PeekNamedPipe
1218     poll_h
1219     posix_memalign
1220     round
1221     roundf
1222     sched_getaffinity
1223     sdl
1224     sdl_video_size
1225     setmode
1226     setrlimit
1227     sndio_h
1228     socklen_t
1229     soundcard_h
1230     strerror_r
1231     strptime
1232     struct_addrinfo
1233     struct_ipv6_mreq
1234     struct_rusage_ru_maxrss
1235     struct_sockaddr_in6
1236     struct_sockaddr_sa_len
1237     struct_sockaddr_storage
1238     struct_v4l2_frmivalenum_discrete
1239     symver
1240     symver_asm_label
1241     symver_gnu_asm
1242     sysconf
1243     sysctl
1244     sys_mman_h
1245     sys_param_h
1246     sys_resource_h
1247     sys_select_h
1248     sys_soundcard_h
1249     sys_videoio_h
1250     termios_h
1251     threads
1252     trunc
1253     truncf
1254     vfp_args
1255     VirtualAlloc
1256     winsock2_h
1257     xform_asm
1258     xmm_clobbers
1259     yasm
1260 "
1261
1262 # options emitted with CONFIG_ prefix but not available on command line
1263 CONFIG_EXTRA="
1264     avutil
1265     gplv3
1266     lgplv3
1267 "
1268
1269 CMDLINE_SELECT="
1270     $ARCH_EXT_LIST
1271     $CONFIG_LIST
1272     $THREADS_LIST
1273     asm
1274     coverage
1275     cross_compile
1276     debug
1277     extra_warnings
1278     logging
1279     optimizations
1280     stripping
1281     symver
1282     yasm
1283 "
1284
1285 PATHS_LIST='
1286     bindir
1287     datadir
1288     incdir
1289     libdir
1290     mandir
1291     prefix
1292     shlibdir
1293 '
1294
1295 CMDLINE_SET="
1296     $PATHS_LIST
1297     ar
1298     arch
1299     as
1300     build_suffix
1301     cc
1302     cpu
1303     cross_prefix
1304     cxx
1305     dep_cc
1306     extra_version
1307     host_cc
1308     host_cflags
1309     host_ldflags
1310     host_libs
1311     host_os
1312     install
1313     ld
1314     logfile
1315     malloc_prefix
1316     nm
1317     optflags
1318     pkg_config
1319     postproc_version
1320     progs_suffix
1321     samples
1322     strip
1323     sysinclude
1324     sysroot
1325     target_exec
1326     target_os
1327     target_path
1328     valgrind
1329     yasmexe
1330 "
1331
1332 CMDLINE_APPEND="
1333     extra_cflags
1334     extra_cxxflags
1335 "
1336
1337 # code dependency declarations
1338
1339 # architecture extensions
1340
1341 armv5te_deps="arm"
1342 armv6_deps="arm"
1343 armv6t2_deps="arm"
1344 armvfp_deps="arm"
1345 neon_deps="arm"
1346 vfpv3_deps="armvfp"
1347
1348 mmi_deps="mips"
1349
1350 altivec_deps="ppc"
1351 ppc4xx_deps="ppc"
1352
1353 vis_deps="sparc"
1354
1355 x86_64_suggest="cmov fast_cmov"
1356 amd3dnow_deps="mmx"
1357 amd3dnowext_deps="amd3dnow"
1358 mmx_deps="x86"
1359 mmx2_deps="mmx"
1360 sse_deps="mmx"
1361 ssse3_deps="sse"
1362 avx_deps="ssse3"
1363
1364 aligned_stack_if_any="ppc x86"
1365 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1366 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1367 fast_unaligned_if_any="armv6 ppc x86"
1368
1369 inline_asm_deps="!tms470"
1370 need_memalign="altivec neon sse"
1371
1372 symver_if_any="symver_asm_label symver_gnu_asm"
1373
1374 # subsystems
1375 dct_select="rdft"
1376 mdct_select="fft"
1377 rdft_select="fft"
1378 mpegaudiodsp_select="dct"
1379
1380 # decoders / encoders / hardware accelerators
1381 aac_decoder_select="mdct sinewin"
1382 aac_encoder_select="mdct sinewin"
1383 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1384 ac3_decoder_select="mdct ac3dsp ac3_parser"
1385 ac3_encoder_select="mdct ac3dsp"
1386 ac3_fixed_encoder_select="mdct ac3dsp"
1387 alac_encoder_select="lpc"
1388 amrnb_decoder_select="lsp"
1389 amrwb_decoder_select="lsp"
1390 atrac1_decoder_select="mdct sinewin"
1391 atrac3_decoder_select="mdct"
1392 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1393 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1394 cavs_decoder_select="golomb"
1395 cook_decoder_select="mdct sinewin"
1396 cscd_decoder_suggest="zlib"
1397 dca_decoder_select="mdct"
1398 dnxhd_encoder_select="aandct"
1399 dxa_decoder_select="zlib"
1400 eac3_decoder_select="ac3_decoder"
1401 eac3_encoder_select="mdct ac3dsp"
1402 eamad_decoder_select="aandct"
1403 eatgq_decoder_select="aandct"
1404 eatqi_decoder_select="aandct"
1405 ffv1_decoder_select="golomb"
1406 flac_decoder_select="golomb"
1407 flac_encoder_select="golomb lpc"
1408 flashsv_decoder_select="zlib"
1409 flashsv_encoder_select="zlib"
1410 flashsv2_encoder_select="zlib"
1411 flashsv2_decoder_select="zlib"
1412 flv_decoder_select="h263_decoder"
1413 flv_encoder_select="h263_encoder"
1414 fraps_decoder_select="huffman"
1415 h261_encoder_select="aandct"
1416 h263_decoder_select="h263_parser"
1417 h263_encoder_select="aandct"
1418 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1419 h263i_decoder_select="h263_decoder"
1420 h263p_encoder_select="h263_encoder"
1421 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1422 h264_decoder_select="golomb h264chroma h264dsp h264pred"
1423 h264_dxva2_hwaccel_deps="dxva2api_h"
1424 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1425 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1426 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1427 h264_vda_hwaccel_select="vda h264_decoder"
1428 h264_vdpau_decoder_select="vdpau h264_decoder"
1429 imc_decoder_select="fft mdct sinewin"
1430 jpegls_decoder_select="golomb"
1431 jpegls_encoder_select="golomb"
1432 ljpeg_encoder_select="aandct"
1433 loco_decoder_select="golomb"
1434 mjpeg_encoder_select="aandct"
1435 mlp_decoder_select="mlp_parser"
1436 mp1_decoder_select="mpegaudiodsp"
1437 mp1float_decoder_select="mpegaudiodsp"
1438 mp2_decoder_select="mpegaudiodsp"
1439 mp2float_decoder_select="mpegaudiodsp"
1440 mp3_decoder_select="mpegaudiodsp"
1441 mp3adu_decoder_select="mpegaudiodsp"
1442 mp3adufloat_decoder_select="mpegaudiodsp"
1443 mp3float_decoder_select="mpegaudiodsp"
1444 mp3on4_decoder_select="mpegaudiodsp"
1445 mp3on4float_decoder_select="mpegaudiodsp"
1446 mpc7_decoder_select="mpegaudiodsp"
1447 mpc8_decoder_select="mpegaudiodsp"
1448 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1449 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1450 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1451 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1452 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1453 mpeg1video_encoder_select="aandct"
1454 mpeg2_crystalhd_decoder_select="crystalhd"
1455 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1456 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1457 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1458 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1459 mpeg2video_encoder_select="aandct"
1460 mpeg4_crystalhd_decoder_select="crystalhd"
1461 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1462 mpeg4_encoder_select="h263_encoder"
1463 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1464 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1465 msmpeg4_crystalhd_decoder_select="crystalhd"
1466 msmpeg4v1_decoder_select="h263_decoder"
1467 msmpeg4v1_encoder_select="h263_encoder"
1468 msmpeg4v2_decoder_select="h263_decoder"
1469 msmpeg4v2_encoder_select="h263_encoder"
1470 msmpeg4v3_decoder_select="h263_decoder"
1471 msmpeg4v3_encoder_select="h263_encoder"
1472 nellymoser_decoder_select="mdct sinewin"
1473 nellymoser_encoder_select="mdct sinewin"
1474 png_decoder_select="zlib"
1475 png_encoder_select="zlib"
1476 qcelp_decoder_select="lsp"
1477 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1478 ra_144_encoder_select="lpc"
1479 rv10_decoder_select="h263_decoder"
1480 rv10_encoder_select="h263_encoder"
1481 rv20_decoder_select="h263_decoder"
1482 rv20_encoder_select="h263_encoder"
1483 rv30_decoder_select="golomb h264chroma h264pred"
1484 rv40_decoder_select="golomb h264chroma h264pred"
1485 shorten_decoder_select="golomb"
1486 sipr_decoder_select="lsp"
1487 snow_decoder_select="dwt"
1488 snow_encoder_select="aandct dwt"
1489 sonic_decoder_select="golomb"
1490 sonic_encoder_select="golomb"
1491 sonic_ls_encoder_select="golomb"
1492 svq1_encoder_select="aandct"
1493 svq3_decoder_select="golomb h264chroma h264dsp h264pred"
1494 svq3_decoder_suggest="zlib"
1495 theora_decoder_select="vp3_decoder"
1496 tiff_decoder_suggest="zlib"
1497 tiff_encoder_suggest="zlib"
1498 truehd_decoder_select="mlp_decoder"
1499 tscc_decoder_select="zlib"
1500 twinvq_decoder_select="mdct lsp sinewin"
1501 vc1_crystalhd_decoder_select="crystalhd"
1502 vc1_decoder_select="h263_decoder h264chroma"
1503 vc1_dxva2_hwaccel_deps="dxva2api_h"
1504 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1505 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1506 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1507 vc1image_decoder_select="vc1_decoder"
1508 vorbis_decoder_select="mdct"
1509 vorbis_encoder_select="mdct"
1510 vp6_decoder_select="huffman"
1511 vp6a_decoder_select="vp6_decoder"
1512 vp6f_decoder_select="vp6_decoder"
1513 vp8_decoder_select="h264pred"
1514 wmapro_decoder_select="mdct sinewin"
1515 wmav1_decoder_select="mdct sinewin"
1516 wmav1_encoder_select="mdct sinewin"
1517 wmav2_decoder_select="mdct sinewin"
1518 wmav2_encoder_select="mdct sinewin"
1519 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1520 wmv1_decoder_select="h263_decoder"
1521 wmv1_encoder_select="h263_encoder"
1522 wmv2_decoder_select="h263_decoder"
1523 wmv2_encoder_select="h263_encoder"
1524 wmv3_decoder_select="vc1_decoder"
1525 wmv3_crystalhd_decoder_select="crystalhd"
1526 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1527 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1528 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1529 wmv3image_decoder_select="wmv3_decoder"
1530 zlib_decoder_select="zlib"
1531 zlib_encoder_select="zlib"
1532 zmbv_decoder_select="zlib"
1533 zmbv_encoder_select="zlib"
1534
1535 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1536 vaapi_deps="va_va_h"
1537 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1538 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1539
1540 # parsers
1541 h264_parser_select="golomb h264chroma h264dsp h264pred"
1542
1543 # external libraries
1544 libaacplus_encoder_deps="libaacplus"
1545 libcelt_decoder_deps="libcelt"
1546 libdirac_decoder_deps="libdirac !libschroedinger"
1547 libfaac_encoder_deps="libfaac"
1548 libgsm_decoder_deps="libgsm"
1549 libgsm_encoder_deps="libgsm"
1550 libgsm_ms_decoder_deps="libgsm"
1551 libgsm_ms_encoder_deps="libgsm"
1552 libmodplug_demuxer_deps="libmodplug"
1553 libmp3lame_encoder_deps="libmp3lame"
1554 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1555 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1556 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1557 libopenjpeg_decoder_deps="libopenjpeg"
1558 libopenjpeg_encoder_deps="libopenjpeg"
1559 libschroedinger_decoder_deps="libschroedinger"
1560 libschroedinger_encoder_deps="libschroedinger"
1561 libspeex_decoder_deps="libspeex"
1562 libspeex_encoder_deps="libspeex"
1563 libstagefright_h264_decoder_deps="libstagefright_h264"
1564 libtheora_encoder_deps="libtheora"
1565 libvo_aacenc_encoder_deps="libvo_aacenc"
1566 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1567 libvorbis_encoder_deps="libvorbis"
1568 libvpx_decoder_deps="libvpx"
1569 libvpx_encoder_deps="libvpx"
1570 libx264_encoder_deps="libx264"
1571 libx264rgb_encoder_deps="libx264"
1572 libxavs_encoder_deps="libxavs"
1573 libxvid_encoder_deps="libxvid"
1574 libutvideo_decoder_deps="libutvideo"
1575 libutvideo_encoder_deps="libutvideo"
1576
1577 # demuxers / muxers
1578 ac3_demuxer_select="ac3_parser"
1579 asf_stream_muxer_select="asf_muxer"
1580 avisynth_demuxer_deps="avisynth"
1581 dirac_demuxer_select="dirac_parser"
1582 eac3_demuxer_select="ac3_parser"
1583 flac_demuxer_select="flac_parser"
1584 ipod_muxer_select="mov_muxer"
1585 libnut_demuxer_deps="libnut"
1586 libnut_muxer_deps="libnut"
1587 matroska_audio_muxer_select="matroska_muxer"
1588 matroska_demuxer_suggest="zlib bzlib"
1589 mov_demuxer_suggest="zlib"
1590 mp3_demuxer_select="mpegaudio_parser"
1591 mp4_muxer_select="mov_muxer"
1592 mpegtsraw_demuxer_select="mpegts_demuxer"
1593 mxf_d10_muxer_select="mxf_muxer"
1594 ogg_demuxer_select="golomb"
1595 psp_muxer_select="mov_muxer"
1596 rtp_demuxer_select="sdp_demuxer"
1597 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1598 rtsp_demuxer_select="http_protocol rtpdec"
1599 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1600 sap_demuxer_select="sdp_demuxer"
1601 sap_muxer_select="rtp_muxer rtp_protocol"
1602 sdp_demuxer_select="rtpdec"
1603 spdif_muxer_select="aac_parser"
1604 tg2_muxer_select="mov_muxer"
1605 tgp_muxer_select="mov_muxer"
1606 w64_demuxer_deps="wav_demuxer"
1607
1608 # indevs / outdevs
1609 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1610 alsa_outdev_deps="alsa_asoundlib_h"
1611 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1612 dshow_indev_deps="IBaseFilter"
1613 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1614 dv1394_indev_deps="dv1394 dv_demuxer"
1615 fbdev_indev_deps="linux_fb_h"
1616 jack_indev_deps="jack_jack_h sem_timedwait"
1617 lavfi_indev_deps="avfilter"
1618 libcdio_indev_deps="libcdio"
1619 libdc1394_indev_deps="libdc1394"
1620 libv4l2_indev_deps="libv4l2"
1621 openal_indev_deps="openal"
1622 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1623 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1624 pulse_indev_deps="libpulse"
1625 sdl_outdev_deps="sdl"
1626 sndio_indev_deps="sndio_h"
1627 sndio_outdev_deps="sndio_h"
1628 v4l_indev_deps="linux_videodev_h"
1629 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1630 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1631 vfwcap_indev_extralibs="-lavicap32"
1632 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1633 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1634
1635 # protocols
1636 bluray_protocol_deps="libbluray"
1637 gopher_protocol_deps="network"
1638 httpproxy_protocol_deps="network"
1639 httpproxy_protocol_select="tcp_protocol"
1640 http_protocol_deps="network"
1641 http_protocol_select="tcp_protocol"
1642 https_protocol_select="tls_protocol"
1643 librtmp_protocol_deps="librtmp"
1644 librtmpe_protocol_deps="librtmp"
1645 librtmps_protocol_deps="librtmp"
1646 librtmpt_protocol_deps="librtmp"
1647 librtmpte_protocol_deps="librtmp"
1648 mmsh_protocol_select="http_protocol"
1649 mmst_protocol_deps="network"
1650 rtmp_protocol_deps="!librtmp_protocol"
1651 rtmp_protocol_select="tcp_protocol"
1652 rtp_protocol_select="udp_protocol"
1653 tcp_protocol_deps="network"
1654 tls_protocol_deps_any="openssl gnutls"
1655 tls_protocol_select="tcp_protocol"
1656 udp_protocol_deps="network"
1657
1658 # filters
1659 aconvert_filter_deps="swresample"
1660 amovie_filter_deps="avcodec avformat"
1661 aresample_filter_deps="swresample"
1662 ass_filter_deps="libass"
1663 blackframe_filter_deps="gpl"
1664 boxblur_filter_deps="gpl"
1665 cropdetect_filter_deps="gpl"
1666 delogo_filter_deps="gpl"
1667 drawtext_filter_deps="libfreetype"
1668 frei0r_filter_deps="frei0r dlopen"
1669 frei0r_src_filter_deps="frei0r dlopen"
1670 hqdn3d_filter_deps="gpl"
1671 movie_filter_deps="avcodec avformat"
1672 mp_filter_deps="gpl avcodec swscale postproc"
1673 mptestsrc_filter_deps="gpl"
1674 negate_filter_deps="lut_filter"
1675 ocv_filter_deps="libopencv"
1676 pan_filter_deps="swresample"
1677 scale_filter_deps="swscale"
1678 tinterlace_filter_deps="gpl"
1679 yadif_filter_deps="gpl"
1680
1681 # libraries
1682 avdevice_deps="avcodec avformat"
1683 avformat_deps="avcodec"
1684 postproc_deps="gpl"
1685
1686 # programs
1687 ffplay_deps="avcodec avformat swscale swresample sdl"
1688 ffplay_select="buffersink_filter rdft"
1689 ffprobe_deps="avcodec avformat"
1690 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1691 ffserver_extralibs='$ldl'
1692 ffmpeg_deps="avcodec avformat swscale swresample"
1693 ffmpeg_select="buffersink_filter"
1694
1695 doc_deps="texi2html"
1696
1697 # tests
1698
1699 test_deps(){
1700     suf1=$1
1701     suf2=$2
1702     shift 2
1703     for v; do
1704         dep=${v%=*}
1705         tests=${v#*=}
1706         for name in ${tests}; do
1707             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1708         done
1709     done
1710 }
1711
1712 mxf_d10_test_deps="avfilter"
1713 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1714
1715 test_deps _encoder _decoder                                             \
1716     adpcm_ima_qt                                                        \
1717     adpcm_ima_wav                                                       \
1718     adpcm_ms                                                            \
1719     adpcm_swf                                                           \
1720     adpcm_yamaha=adpcm_yam                                              \
1721     alac                                                                \
1722     asv1                                                                \
1723     asv2                                                                \
1724     bmp                                                                 \
1725     dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1726     dvvideo="dv dv_411 dv50"                                            \
1727     ffv1                                                                \
1728     flac                                                                \
1729     flashsv                                                             \
1730     flv                                                                 \
1731     adpcm_g726=g726                                                     \
1732     gif                                                                 \
1733     h261                                                                \
1734     h263="h263 h263p"                                                   \
1735     huffyuv                                                             \
1736     jpegls                                                              \
1737     mjpeg="jpg mjpeg ljpeg"                                             \
1738     mp2                                                                 \
1739     mpeg1video="mpeg mpeg1b"                                            \
1740     mpeg2video="mpeg2 mpeg2_422 mpeg2_idct_int mpeg2_ilace mpeg2_ivlc_qprd" \
1741     mpeg2video="mpeg2thread mpeg2thread_ilace"                          \
1742     mpeg4="mpeg4 mpeg4_adap mpeg4_qpel mpeg4_qprd mpeg4adv mpeg4nr"     \
1743     mpeg4="mpeg4thread error rc"                                        \
1744     msmpeg4v3=msmpeg4                                                   \
1745     msmpeg4v2                                                           \
1746     pbm=pbmpipe                                                         \
1747     pcx                                                                 \
1748     pgm="pgm pgmpipe"                                                   \
1749     png                                                                 \
1750     ppm="ppm ppmpipe"                                                   \
1751     rawvideo="rgb yuv"                                                  \
1752     roq                                                                 \
1753     rv10                                                                \
1754     rv20                                                                \
1755     sgi                                                                 \
1756     snow="snow snowll"                                                  \
1757     svq1                                                                \
1758     targa=tga                                                           \
1759     tiff                                                                \
1760     wmav1                                                               \
1761     wmav2                                                               \
1762     wmv1                                                                \
1763     wmv2                                                                \
1764
1765 test_deps _muxer _demuxer                                               \
1766     aiff                                                                \
1767     pcm_alaw=alaw                                                       \
1768     asf                                                                 \
1769     au                                                                  \
1770     avi                                                                 \
1771     dv=dv_fmt                                                           \
1772     ffm                                                                 \
1773     flv=flv_fmt                                                         \
1774     gxf                                                                 \
1775     matroska=mkv                                                        \
1776     mmf                                                                 \
1777     mov="mov ismv"                                                      \
1778     pcm_mulaw=mulaw                                                     \
1779     mxf="mxf mxf_d10"                                                   \
1780     nut                                                                 \
1781     ogg="ogg ogg_vp3"                                                   \
1782     rawvideo=pixfmt                                                     \
1783     rm                                                                  \
1784     swf                                                                 \
1785     mpegts=ts                                                           \
1786     voc                                                                 \
1787     wav                                                                 \
1788     yuv4mpegpipe=yuv4mpeg                                               \
1789
1790 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder"
1791 flashsv2_test_deps="zlib"
1792 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1793 pp_test_deps="mp_filter"
1794 pp2_test_deps="mp_filter"
1795 pp3_test_deps="mp_filter"
1796 pp4_test_deps="mp_filter"
1797 pp5_test_deps="mp_filter"
1798 pp6_test_deps="mp_filter"
1799
1800 # default parameters
1801
1802 logfile="config.log"
1803
1804 # installation paths
1805 prefix_default="/usr/local"
1806 bindir_default='${prefix}/bin'
1807 datadir_default='${prefix}/share/ffmpeg'
1808 incdir_default='${prefix}/include'
1809 libdir_default='${prefix}/lib'
1810 mandir_default='${prefix}/share/man'
1811 shlibdir_default="$libdir_default"
1812 postproc_version_default="current"
1813
1814 # toolchain
1815 ar_default="ar"
1816 cc_default="gcc"
1817 cxx_default="g++"
1818 cc_version=\"unknown\"
1819 host_cc_default="gcc"
1820 install="install"
1821 ln_s="ln -sf"
1822 nm_default="nm"
1823 objformat="elf"
1824 pkg_config_default=pkg-config
1825 ranlib="ranlib"
1826 strip_default="strip"
1827 yasmexe_default="yasm"
1828
1829 nm_opts='-g'
1830 nogas=":"
1831
1832 # machine
1833 arch_default=$(uname -m)
1834 cpu="generic"
1835
1836 # OS
1837 target_os_default=$(tolower $(uname -s))
1838 host_os=$target_os_default
1839
1840 # alternative libpostproc version
1841 ALT_PP_VER_MAJOR=51
1842 ALT_PP_VER_MINOR=2
1843 ALT_PP_VER_MICRO=101
1844 ALT_PP_VER=$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO
1845
1846 # configurable options
1847 enable $PROGRAM_LIST
1848
1849 enable avcodec
1850 enable avdevice
1851 enable avfilter
1852 enable avformat
1853 enable avutil
1854 enable postproc
1855 enable stripping
1856 enable swresample
1857 enable swscale
1858
1859 enable asm
1860 enable debug
1861 enable doc
1862 enable fastdiv
1863 enable network
1864 enable optimizations
1865 enable safe_bitstream_reader
1866 enable static
1867 enable swscale_alpha
1868
1869 # build settings
1870 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1871 FFSERVERLDFLAGS=-Wl,-E
1872 LIBPREF="lib"
1873 LIBSUF=".a"
1874 FULLNAME='$(NAME)$(BUILDSUF)'
1875 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1876 SLIBPREF="lib"
1877 SLIBSUF=".so"
1878 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1879 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1880 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1881 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1882 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1883 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1884
1885 AS_O='-o $@'
1886 CC_O='-o $@'
1887 CXX_O='-o $@'
1888
1889 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1890 host_libs='-lm'
1891
1892 target_path='$(CURDIR)'
1893
1894 # since the object filename is not given with the -MM flag, the compiler
1895 # is only able to print the basename, and we must add the path ourselves
1896 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1897 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1898
1899 # find source path
1900 if test -f configure; then
1901     source_path=.
1902 else
1903     source_path=$(cd $(dirname "$0"); pwd)
1904     echo "$source_path" | grep -q '[[:blank:]]' &&
1905         die "Out of tree builds are impossible with whitespace in source path."
1906     test -e "$source_path/config.h" &&
1907         die "Out of tree builds are impossible with config.h in source dir."
1908 fi
1909
1910 for v in "$@"; do
1911     r=${v#*=}
1912     l=${v%"$r"}
1913     r=$(sh_quote "$r")
1914     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1915 done
1916
1917 find_things(){
1918     thing=$1
1919     pattern=$2
1920     file=$source_path/$3
1921     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1922 }
1923
1924 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1925 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1926 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1927 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1928 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1929 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1930 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1931 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1932 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1933 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1934 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1935
1936 ALL_COMPONENTS="
1937     $BSF_LIST
1938     $DECODER_LIST
1939     $DEMUXER_LIST
1940     $ENCODER_LIST
1941     $FILTER_LIST
1942     $HWACCEL_LIST
1943     $INDEV_LIST
1944     $MUXER_LIST
1945     $OUTDEV_LIST
1946     $PARSER_LIST
1947     $PROTOCOL_LIST
1948 "
1949
1950 find_tests(){
1951     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1952 }
1953
1954 ACODEC_TESTS=$(find_tests acodec)
1955 VCODEC_TESTS=$(find_tests vsynth1)
1956 LAVF_FATE_TESTS=$(find_tests lavf-fate)
1957 LAVF_TESTS=$(find_tests lavf)
1958 LAVFI_TESTS=$(find_tests lavfi)
1959 SEEK_TESTS=$(find_tests seek seek_)
1960
1961 ALL_TESTS="$ACODEC_TESTS $VCODEC_TESTS $LAVF_FATE_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1962
1963 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1964
1965 for n in $COMPONENT_LIST; do
1966     v=$(toupper ${n%s})_LIST
1967     eval enable \$$v
1968     eval ${n}_if_any="\$$v"
1969 done
1970
1971 enable $ARCH_EXT_LIST $ALL_TESTS
1972
1973 die_unknown(){
1974     echo "Unknown option \"$1\"."
1975     echo "See $0 --help for available options."
1976     exit 1
1977 }
1978
1979 show_list() {
1980     suffix=_$1
1981     shift
1982     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1983     exit 0
1984 }
1985
1986 for opt do
1987     optval="${opt#*=}"
1988     case "$opt" in
1989     --extra-ldflags=*) add_ldflags $optval
1990     ;;
1991     --extra-libs=*) add_extralibs $optval
1992     ;;
1993     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1994     ;;
1995     --enable-debug=*) debuglevel="$optval"
1996     ;;
1997     --disable-everything)
1998     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1999     ;;
2000     --enable-*=*|--disable-*=*)
2001     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2002     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2003     eval list=\$$(toupper $thing)_LIST
2004     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2005     $action $(filter "$name" $list)
2006     ;;
2007     --enable-?*|--disable-?*)
2008     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2009     if is_in $option $COMPONENT_LIST; then
2010         test $action = disable && action=unset
2011         eval $action \$$(toupper ${option%s})_LIST
2012     elif is_in $option $CMDLINE_SELECT; then
2013         $action $option
2014     else
2015         die_unknown $opt
2016     fi
2017     ;;
2018     --list-*)
2019         NAME="${opt#--list-}"
2020         is_in $NAME $COMPONENT_LIST || die_unknown $opt
2021         NAME=${NAME%s}
2022         eval show_list $NAME \$$(toupper $NAME)_LIST
2023     ;;
2024     --help|-h) show_help
2025     ;;
2026     *)
2027     optname="${opt%%=*}"
2028     optname="${optname#--}"
2029     optname=$(echo "$optname" | sed 's/-/_/g')
2030     if is_in $optname $CMDLINE_SET; then
2031         eval $optname='$optval'
2032     elif is_in $optname $CMDLINE_APPEND; then
2033         append $optname "$optval"
2034     else
2035          die_unknown $opt
2036     fi
2037     ;;
2038     esac
2039 done
2040
2041 disabled logging && logfile=/dev/null
2042
2043 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2044 set >> $logfile
2045
2046 test -n "$cross_prefix" && enable cross_compile
2047
2048 if enabled cross_compile; then
2049     test -n "$arch" && test -n "$target_os" ||
2050         die "Must specify target arch and OS when cross-compiling"
2051 fi
2052
2053 set_default arch target_os postproc_version
2054
2055 # Check if we should build alternative libpostproc version instead of current
2056 if   test "$postproc_version" = $ALT_PP_VER; then
2057   LIBPOSTPROC_VERSION=$ALT_PP_VER
2058   LIBPOSTPROC_VERSION_MAJOR=$ALT_PP_VER_MAJOR
2059   LIBPOSTPROC_VERSION_MINOR=$ALT_PP_VER_MINOR
2060   LIBPOSTPROC_VERSION_MICRO=$ALT_PP_VER_MICRO
2061 elif test "$postproc_version" != current; then
2062   die "Invalid argument to --postproc-version. See --help output."
2063 fi
2064
2065 ar_default="${cross_prefix}${ar_default}"
2066 cc_default="${cross_prefix}${cc_default}"
2067 cxx_default="${cross_prefix}${cxx_default}"
2068 nm_default="${cross_prefix}${nm_default}"
2069 pkg_config_default="${cross_prefix}${pkg_config_default}"
2070 ranlib="${cross_prefix}${ranlib}"
2071 strip_default="${cross_prefix}${strip_default}"
2072
2073 sysinclude_default="${sysroot}/usr/include"
2074
2075 set_default cc cxx nm pkg_config strip sysinclude yasmexe
2076 enabled cross_compile || host_cc_default=$cc
2077 set_default host_cc
2078
2079 if ! $pkg_config --version >/dev/null 2>&1; then
2080     warn "$pkg_config not found, library detection may fail."
2081     pkg_config=false
2082 fi
2083
2084 exesuf() {
2085     case $1 in
2086         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2087     esac
2088 }
2089
2090 EXESUF=$(exesuf $target_os)
2091 HOSTEXESUF=$(exesuf $host_os)
2092
2093 # set temporary file name
2094 : ${TMPDIR:=$TEMPDIR}
2095 : ${TMPDIR:=$TMP}
2096 : ${TMPDIR:=/tmp}
2097
2098 if ! check_cmd mktemp -u XXXXXX; then
2099     # simple replacement for missing mktemp
2100     # NOT SAFE FOR GENERAL USE
2101     mktemp(){
2102         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2103     }
2104 fi
2105
2106 tmpfile(){
2107     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2108         (set -C; exec > $tmp) 2>/dev/null ||
2109         die "Unable to create temporary file in $TMPDIR."
2110     append TMPFILES $tmp
2111     eval $1=$tmp
2112 }
2113
2114 trap 'rm -f -- $TMPFILES' EXIT
2115
2116 tmpfile TMPASM .asm
2117 tmpfile TMPC   .c
2118 tmpfile TMPCPP .cpp
2119 tmpfile TMPE   $EXESUF
2120 tmpfile TMPH   .h
2121 tmpfile TMPO   .o
2122 tmpfile TMPS   .S
2123 tmpfile TMPSH  .sh
2124 tmpfile TMPV   .ver
2125
2126 unset -f mktemp
2127
2128 chmod +x $TMPE
2129
2130 # make sure we can execute files in $TMPDIR
2131 cat > $TMPSH 2>> $logfile <<EOF
2132 #! /bin/sh
2133 EOF
2134 chmod +x $TMPSH >> $logfile 2>&1
2135 if ! $TMPSH >> $logfile 2>&1; then
2136     cat <<EOF
2137 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2138 variable to another directory and make sure that it is not mounted noexec.
2139 EOF
2140     die "Sanity test failed."
2141 fi
2142
2143 filter_asflags=echo
2144 filter_cflags=echo
2145 filter_cppflags=echo
2146
2147 if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2148     cc_type=llvm_gcc
2149     cc_version=__VERSION__
2150     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
2151     cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
2152     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2153     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2154     speed_cflags='-O3'
2155     size_cflags='-Os'
2156 elif $cc -v 2>&1 | grep -qi ^gcc; then
2157     cc_type=gcc
2158     cc_version=__VERSION__
2159     gcc_version=$($cc --version | head -n1)
2160     gcc_basever=$($cc -dumpversion)
2161     gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2162     gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2163     cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2164     if ! $cc -dumpversion | grep -q '^2\.'; then
2165         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2166         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2167     fi
2168     speed_cflags='-O3'
2169     size_cflags='-Os'
2170 elif $cc --version 2>/dev/null | grep -q Intel; then
2171     cc_type=icc
2172     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
2173     cc_ident=$($cc --version | head -n1)
2174     icc_version=$($cc -dumpversion)
2175     CC_DEPFLAGS='-MMD'
2176     AS_DEPFLAGS='-MMD'
2177     speed_cflags='-O3'
2178     size_cflags='-Os'
2179     noopt_cflags='-O1'
2180 elif $cc -v 2>&1 | grep -q xlc; then
2181     cc_type=xlc
2182     cc_version="AV_STRINGIFY(__IBMC__)"
2183     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2184     speed_cflags='-O5'
2185     size_cflags='-O5 -qcompact'
2186 elif $cc -V 2>/dev/null | grep -q Compaq; then
2187     cc_type=ccc
2188     cc_version="AV_STRINGIFY(__DECC_VER)"
2189     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2190     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2191     debuglevel=3
2192     add_ldflags -Wl,-z,now # calls to libots crash without this
2193     speed_cflags='-fast'
2194     size_cflags='-O1'
2195 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2196     test -d "$sysroot" || die "No valid sysroot specified."
2197     cc_type=armcc
2198     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2199     cc_ident=$($cc --vsn | head -n1)
2200     armcc_conf="$PWD/armcc.conf"
2201     $cc --arm_linux_configure                 \
2202         --arm_linux_config_file="$armcc_conf" \
2203         --configure_sysroot="$sysroot"        \
2204         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2205         die "Error creating armcc configuration file."
2206     $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2207     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2208     as_default="${cross_prefix}gcc"
2209     CC_DEPFLAGS='-MMD'
2210     AS_DEPFLAGS='-MMD'
2211     speed_cflags='-O3'
2212     size_cflags='-Os'
2213     filter_asflags="filter_out -W${armcc_opt}*"
2214 elif $cc -version 2>/dev/null | grep -q TMS470; then
2215     cc_type=tms470
2216     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2217     cc_ident=$($cc -version | head -n1 | tr -s ' ')
2218     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2219     CC_O='-fr=$(@D)'
2220     as_default="${cross_prefix}gcc"
2221     ld_default="${cross_prefix}gcc"
2222     TMPO=$(basename $TMPC .c).o
2223     append TMPFILES $TMPO
2224     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2225     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2226     AS_DEPFLAGS='-MMD'
2227     speed_cflags='-O3 -mf=5'
2228     size_cflags='-O3 -mf=2'
2229     filter_cflags=tms470_flags
2230     tms470_flags(){
2231         for flag; do
2232             case $flag in
2233                 -march=*|-mcpu=*)
2234                     case "${flag#*=}" in
2235                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
2236                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
2237                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
2238                         armv6*|arm11*)          echo -mv=6   ;;
2239                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2240                                                 echo -mv=5e  ;;
2241                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2242                     esac
2243                     ;;
2244                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2245                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
2246                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2247                 -msoft-float)   echo --float_support=vfplib       ;;
2248                 -O[0-3]|-mf=*)  echo $flag                        ;;
2249                 -g)             echo -g -mn                       ;;
2250                 -pds=*)         echo $flag                        ;;
2251             esac
2252         done
2253     }
2254 elif $cc -v 2>&1 | grep -q clang; then
2255     cc_type=clang
2256     $cc -dM -E $TMPC | grep -q __clang_version__ &&
2257         cc_version=__clang_version__ || cc_version=__VERSION__
2258     cc_ident=$($cc --version | head -n1)
2259     CC_DEPFLAGS='-MMD'
2260     AS_DEPFLAGS='-MMD'
2261     speed_cflags='-O3'
2262     size_cflags='-Os'
2263 elif $cc -V 2>&1 | grep -q Sun; then
2264     cc_type=suncc
2265     cc_version="AV_STRINGIFY(__SUNPRO_C)"
2266     cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2267     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2268     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2269     add_ldflags -xc99
2270     speed_cflags='-O5'
2271     size_cflags='-O5 -xspace'
2272     filter_cflags=suncc_flags
2273     suncc_flags(){
2274         for flag; do
2275             case $flag in
2276                 -march=*|-mcpu=*)
2277                     case "${flag#*=}" in
2278                         native)                   echo -xtarget=native       ;;
2279                         v9|niagara)               echo -xarch=sparc          ;;
2280                         ultrasparc)               echo -xarch=sparcvis       ;;
2281                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2282                         i586|pentium)             echo -xchip=pentium        ;;
2283                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2284                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2285                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2286                         pentium4*)          echo -xtarget=pentium4           ;;
2287                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2288                         *-sse3)             echo -xarch=sse3                 ;;
2289                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
2290                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2291                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2292                         k8|opteron|athlon64|athlon-fx)
2293                                                   echo -xarch=sse2a          ;;
2294                         athlon*)                  echo -xarch=pentium_proa   ;;
2295                     esac
2296                     ;;
2297                 -std=c99)             echo -xc99              ;;
2298                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
2299                 -fPIC)                echo -KPIC -xcode=pic32 ;;
2300                 -W*,*)                echo $flag              ;;
2301                 -f*-*|-W*)                                    ;;
2302                 *)                    echo $flag              ;;
2303             esac
2304         done
2305     }
2306 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2307     cc_type=pathscale
2308     cc_version=__PATHSCALE__
2309     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2310     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2311     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2312     speed_cflags='-O2'
2313     size_cflags='-Os'
2314     filter_cflags='filter_out -Wdisabled-optimization'
2315 elif $cc -v 2>&1 | grep -q Open64; then
2316     cc_type=open64
2317     cc_version=__OPEN64__
2318     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2319     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2320     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2321     speed_cflags='-O2'
2322     size_cflags='-Os'
2323     filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2324 fi
2325
2326 test -n "$cc_type" && enable $cc_type ||
2327     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2328
2329 : ${as_default:=$cc}
2330 : ${dep_cc_default:=$cc}
2331 : ${ld_default:=$cc}
2332 set_default ar as dep_cc ld
2333
2334 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2335 test -n "$CXX_DEPFLAGS" || CXXDEP=$DEPEND_CMD
2336 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2337
2338 add_cflags $extra_cflags
2339 add_cxxflags $extra_cxxflags
2340 add_asflags $extra_cflags
2341
2342 if test -n "$sysroot"; then
2343     case "$cc_type" in
2344         gcc|llvm_gcc|clang)
2345             add_cppflags --sysroot="$sysroot"
2346             add_ldflags --sysroot="$sysroot"
2347         ;;
2348         tms470)
2349             add_cppflags -I"$sysinclude"
2350             add_ldflags  --sysroot="$sysroot"
2351         ;;
2352     esac
2353 fi
2354
2355 if test "$cpu" = host; then
2356     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2357
2358     case "$cc_type" in
2359         gcc|llvm_gcc)
2360             check_native(){
2361                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2362                 sed -n "/cc1.*$1=/{
2363                             s/.*$1=\\([^ ]*\\).*/\\1/
2364                             p
2365                             q
2366                         }" $TMPE
2367             }
2368             cpu=$(check_native -march || check_native -mcpu)
2369         ;;
2370     esac
2371
2372     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2373 fi
2374
2375 # Deal with common $arch aliases
2376 case "$arch" in
2377     arm*|iPad*)
2378         arch="arm"
2379     ;;
2380     mips|mipsel|IP*)
2381         arch="mips"
2382     ;;
2383     mips64*)
2384         arch="mips"
2385         subarch="mips64"
2386     ;;
2387     parisc|hppa)
2388         arch="parisc"
2389     ;;
2390     parisc64|hppa64)
2391         arch="parisc"
2392         subarch="parisc64"
2393     ;;
2394     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2395         arch="ppc"
2396     ;;
2397     s390|s390x)
2398         arch="s390"
2399     ;;
2400     sh4|sh)
2401         arch="sh4"
2402     ;;
2403     sun4u|sparc64)
2404         arch="sparc"
2405         subarch="sparc64"
2406     ;;
2407     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2408         arch="x86"
2409     ;;
2410 esac
2411
2412 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2413 enable $arch
2414
2415 # Add processor-specific flags
2416 if test "$cpu" = generic; then
2417     : do nothing
2418 elif enabled ppc; then
2419
2420     case $(tolower $cpu) in
2421         601|ppc601|powerpc601)
2422             cpuflags="-mcpu=601"
2423             disable altivec
2424         ;;
2425         603*|ppc603*|powerpc603*)
2426             cpuflags="-mcpu=603"
2427             disable altivec
2428         ;;
2429         604*|ppc604*|powerpc604*)
2430             cpuflags="-mcpu=604"
2431             disable altivec
2432         ;;
2433         g3|75*|ppc75*|powerpc75*)
2434             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2435             disable altivec
2436         ;;
2437         g4|745*|ppc745*|powerpc745*)
2438             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2439         ;;
2440         74*|ppc74*|powerpc74*)
2441             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2442         ;;
2443         g5|970|ppc970|powerpc970|power4*)
2444             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2445         ;;
2446         cell)
2447             cpuflags="-mcpu=cell"
2448             enable ldbrx
2449         ;;
2450         e500v2)
2451             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2452             disable altivec
2453         ;;
2454         e500)
2455             cpuflags="-mcpu=8540 -mhard-float"
2456             disable altivec
2457         ;;
2458     esac
2459
2460 elif enabled x86; then
2461
2462     case $cpu in
2463         i[345]86|pentium)
2464             cpuflags="-march=$cpu"
2465             disable mmx
2466         ;;
2467         # targets that do NOT support conditional mov (cmov)
2468         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2469             cpuflags="-march=$cpu"
2470             disable cmov
2471         ;;
2472         # targets that do support conditional mov (cmov)
2473         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2474             cpuflags="-march=$cpu"
2475             enable cmov
2476             enable fast_cmov
2477         ;;
2478         # targets that do support conditional mov but on which it's slow
2479         pentium4|pentium4m|prescott|nocona)
2480             cpuflags="-march=$cpu"
2481             enable cmov
2482             disable fast_cmov
2483         ;;
2484     esac
2485
2486 elif enabled sparc; then
2487
2488     case $cpu in
2489         niagara)
2490             cpuflags="-mcpu=$cpu"
2491             disable vis
2492         ;;
2493         sparc64)
2494             cpuflags="-mcpu=v9"
2495         ;;
2496     esac
2497
2498 elif enabled arm; then
2499
2500     case $cpu in
2501         armv*)
2502             cpuflags="-march=$cpu"
2503             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2504         ;;
2505         *)
2506             cpuflags="-mcpu=$cpu"
2507             case $cpu in
2508                 cortex-a*)                               subarch=armv7a  ;;
2509                 cortex-r*)                               subarch=armv7r  ;;
2510                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2511                 arm11*)                                  subarch=armv6   ;;
2512                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2513                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2514             esac
2515         ;;
2516     esac
2517
2518 elif enabled alpha; then
2519
2520     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2521
2522 elif enabled bfin; then
2523
2524     cpuflags="-mcpu=$cpu"
2525
2526 elif enabled mips; then
2527
2528     cpuflags="-march=$cpu"
2529
2530 elif enabled avr32; then
2531
2532     case $cpu in
2533         ap7[02]0[0-2])
2534             subarch="avr32_ap"
2535             cpuflags="-mpart=$cpu"
2536         ;;
2537         ap)
2538             subarch="avr32_ap"
2539             cpuflags="-march=$cpu"
2540         ;;
2541         uc3[ab]*)
2542             subarch="avr32_uc"
2543             cpuflags="-mcpu=$cpu"
2544         ;;
2545         uc)
2546             subarch="avr32_uc"
2547             cpuflags="-march=$cpu"
2548         ;;
2549     esac
2550
2551 fi
2552
2553 add_cflags $cpuflags
2554 add_asflags $cpuflags
2555
2556 # compiler sanity check
2557 check_exec <<EOF
2558 int main(void){ return 0; }
2559 EOF
2560 if test "$?" != 0; then
2561     echo "$cc is unable to create an executable file."
2562     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2563         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2564         echo "Only do this if you know what cross compiling means."
2565     fi
2566     die "C compiler test failed."
2567 fi
2568
2569 add_cppflags -D_ISOC99_SOURCE
2570 add_cxxflags -D__STDC_CONSTANT_MACROS
2571 check_cflags -std=c99
2572 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2573 #include <stdlib.h>
2574 EOF
2575 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2576 #include <stdlib.h>
2577 EOF
2578
2579 check_host_cflags -std=c99
2580 check_host_cflags -Wall
2581
2582 case "$arch" in
2583     alpha|ia64|mips|parisc|sparc)
2584         spic=$shared
2585     ;;
2586     x86)
2587         subarch="x86_32"
2588         check_cc <<EOF && subarch="x86_64"
2589         int test[(int)sizeof(char*) - 7];
2590 EOF
2591         if test "$subarch" = "x86_64"; then
2592             spic=$shared
2593         fi
2594     ;;
2595     ppc)
2596         check_cc <<EOF && subarch="ppc64"
2597         int test[(int)sizeof(char*) - 7];
2598 EOF
2599     ;;
2600 esac
2601
2602 enable $subarch
2603 enabled spic && enable pic
2604
2605 # OS specific
2606 case $target_os in
2607     haiku)
2608         prefix_default="/boot/common"
2609         network_extralibs="-lnetwork"
2610         host_libs=
2611         ;;
2612     sunos)
2613         FFSERVERLDFLAGS=""
2614         SHFLAGS='-shared -Wl,-h,$$(@F)'
2615         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2616         network_extralibs="-lsocket -lnsl"
2617         add_cppflags -D__EXTENSIONS__
2618         # When using suncc to build, the Solaris linker will mark
2619         # an executable with each instruction set encountered by
2620         # the Solaris assembler.  As our libraries contain their own
2621         # guards for processor-specific code, instead suppress
2622         # generation of the HWCAPS ELF section on Solaris x86 only.
2623         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2624         nm_opts='-P -g'
2625         ;;
2626     netbsd)
2627         disable symver
2628         oss_indev_extralibs="-lossaudio"
2629         oss_outdev_extralibs="-lossaudio"
2630         ;;
2631     openbsd)
2632         enable malloc_aligned
2633         # On OpenBSD 4.5. the compiler does not use PIC unless
2634         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2635         # however the generated executable will not do anything
2636         # (simply quits with exit-code 1, no crash, no output).
2637         # Thus explicitly enable PIC here.
2638         enable pic
2639         disable symver
2640         SHFLAGS='-shared'
2641         oss_indev_extralibs="-lossaudio"
2642         oss_outdev_extralibs="-lossaudio"
2643         ;;
2644     dragonfly)
2645         enable malloc_aligned
2646         disable symver
2647         ;;
2648     freebsd)
2649         enable malloc_aligned
2650         ;;
2651     bsd/os)
2652         add_extralibs -lpoll -lgnugetopt
2653         strip="strip -d"
2654         ;;
2655     darwin)
2656         enable malloc_aligned
2657         gas="gas-preprocessor.pl $cc"
2658         enabled ppc && add_asflags -force_cpusubtype_ALL
2659         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2660         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2661         strip="${strip} -x"
2662         add_ldflags -Wl,-dynamic,-search_paths_first
2663         SLIBSUF=".dylib"
2664         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2665         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2666         FFSERVERLDFLAGS=-Wl,-bind_at_load
2667         objformat="macho"
2668         enabled x86_64 && objformat="macho64"
2669         enabled_any pic shared ||
2670             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2671         ;;
2672     mingw32*)
2673         if test $target_os = "mingw32ce"; then
2674             disable network
2675         else
2676             target_os=mingw32
2677         fi
2678         LIBTARGET=i386
2679         if enabled x86_64; then
2680             enable malloc_aligned
2681             LIBTARGET=x64
2682         elif enabled arm; then
2683             LIBTARGET=arm-wince
2684         fi
2685         shlibdir_default="$bindir_default"
2686         SLIBPREF=""
2687         SLIBSUF=".dll"
2688         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2689         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2690         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2691         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2692         SLIB_INSTALL_LINKS=
2693         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2694         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2695         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2696         objformat="win32"
2697         enable dos_paths
2698         check_cflags -fno-common
2699         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2700                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2701                 die "ERROR: MinGW runtime version must be >= 3.15."
2702         add_cppflags -U__STRICT_ANSI__
2703         ;;
2704     cygwin*)
2705         target_os=cygwin
2706         shlibdir_default="$bindir_default"
2707         SLIBPREF="cyg"
2708         SLIBSUF=".dll"
2709         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2710         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2711         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2712         objformat="win32"
2713         enable dos_paths
2714         check_cflags -fno-common
2715         add_cppflags -U__STRICT_ANSI__
2716         ;;
2717     *-dos|freedos|opendos)
2718         network_extralibs="-lsocket"
2719         objformat="coff"
2720         enable dos_paths
2721         add_cppflags -U__STRICT_ANSI__
2722         ;;
2723     linux)
2724         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2725         enable dv1394
2726         ;;
2727     irix*)
2728         target_os=irix
2729         ranlib="echo ignoring ranlib"
2730         ;;
2731     os/2*)
2732         strip="lxlite -CS"
2733         ln_s="cp -f"
2734         objformat="aout"
2735         add_cppflags -D_GNU_SOURCE
2736         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2737         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2738         FFSERVERLDFLAGS=""
2739         LIBSUF="_s.a"
2740         SLIBPREF=""
2741         SLIBSUF=".dll"
2742         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2743         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2744         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2745           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2746           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2747           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2748           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2749           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2750         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2751           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2752         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2753         enable dos_paths
2754         enable_weak os2threads
2755         ;;
2756     gnu/kfreebsd)
2757         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2758         ;;
2759     gnu)
2760         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2761         ;;
2762     qnx)
2763         add_cppflags -D_QNX_SOURCE
2764         network_extralibs="-lsocket"
2765         ;;
2766     symbian)
2767         SLIBSUF=".dll"
2768         enable dos_paths
2769         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2770         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2771         add_ldflags -Wl,--target1-abs,--no-undefined \
2772                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2773                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2774         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2775                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2776                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2777         ;;
2778     none)
2779         ;;
2780     *)
2781         die "Unknown OS '$target_os'."
2782         ;;
2783 esac
2784
2785 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2786
2787 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2788
2789 set_default $PATHS_LIST
2790
2791 # we need to build at least one lib type
2792 if ! enabled_any static shared; then
2793     cat <<EOF
2794 At least one library type must be built.
2795 Specify --enable-static to build the static libraries or --enable-shared to
2796 build the shared libraries as well. To only build the shared libraries specify
2797 --disable-static in addition to --enable-shared.
2798 EOF
2799     exit 1;
2800 fi
2801
2802 die_license_disabled() {
2803     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2804 }
2805
2806 die_license_disabled gpl libcdio
2807 die_license_disabled gpl libutvideo
2808 die_license_disabled gpl libx264
2809 die_license_disabled gpl libxavs
2810 die_license_disabled gpl libxvid
2811 die_license_disabled gpl x11grab
2812
2813 die_license_disabled nonfree libaacplus
2814 die_license_disabled nonfree libfaac
2815 die_license_disabled nonfree openssl
2816
2817 die_license_disabled version3 libopencore_amrnb
2818 die_license_disabled version3 libopencore_amrwb
2819 die_license_disabled version3 libvo_aacenc
2820 die_license_disabled version3 libvo_amrwbenc
2821
2822 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2823
2824 disabled optimizations || check_cflags -fomit-frame-pointer
2825
2826 enable_pic() {
2827     enable pic
2828     add_cppflags -DPIC
2829     add_cflags   -fPIC
2830     add_asflags  -fPIC
2831 }
2832
2833 enabled pic && enable_pic
2834
2835 check_cc <<EOF || die "Symbol mangling check failed."
2836 int ff_extern;
2837 EOF
2838 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2839 extern_prefix=${sym%%ff_extern*}
2840
2841 check_cc <<EOF && enable inline_asm
2842 void foo(void) { __asm__ volatile ("" ::); }
2843 EOF
2844
2845 _restrict=
2846 for restrict_keyword in restrict __restrict__ __restrict; do
2847     check_cc <<EOF && _restrict=$restrict_keyword && break
2848 void foo(char * $restrict_keyword p);
2849 EOF
2850 done
2851
2852 check_cc <<EOF && enable attribute_packed
2853 struct { int x; } __attribute__((packed)) x;
2854 EOF
2855
2856 check_cc <<EOF && enable attribute_may_alias
2857 union { int x; } __attribute__((may_alias)) x;
2858 EOF
2859
2860 check_cc <<EOF || die "endian test failed"
2861 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2862 EOF
2863 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2864
2865 if enabled alpha; then
2866
2867     check_cflags -mieee
2868
2869 elif enabled arm; then
2870
2871     enabled thumb && check_cflags -mthumb || check_cflags -marm
2872     nogas=die
2873
2874     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2875         enable vfp_args
2876     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2877         case "${cross_prefix:-$cc}" in
2878             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2879             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2880 __asm__ (".eabi_attribute 28, 1");
2881 int main(void) { return 0; }
2882 EOF
2883         esac
2884         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2885     fi
2886
2887     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2888     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2889     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2890     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2891     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2892     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
2893
2894     check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2895
2896     enabled_all armv6t2 shared !pic && enable_pic
2897
2898 elif enabled mips; then
2899
2900     check_asm loongson '"dmult.g $1, $2, $3"'
2901     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2902
2903 elif enabled ppc; then
2904
2905     enable local_aligned_8 local_aligned_16
2906
2907     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2908     check_asm ibm_asm   '"add 0, 0, 0"'
2909     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2910     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2911
2912     # AltiVec flags: The FSF version of GCC differs from the Apple version
2913     if enabled altivec; then
2914         nogas=warn
2915         check_cflags -maltivec -mabi=altivec &&
2916         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2917         check_cflags -faltivec
2918
2919         # check if our compiler supports Motorola AltiVec C API
2920         check_cc <<EOF || disable altivec
2921 $inc_altivec_h
2922 int main(void) {
2923     vector signed int v1, v2, v3;
2924     v1 = vec_add(v2,v3);
2925     return 0;
2926 }
2927 EOF
2928
2929         # check if our compiler supports braces for vector declarations
2930         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2931 $inc_altivec_h
2932 int main (void) { (vector int) {1}; return 0; }
2933 EOF
2934     fi
2935
2936 elif enabled sparc; then
2937
2938     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2939         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2940
2941 elif enabled x86; then
2942
2943     enable local_aligned_8 local_aligned_16
2944
2945     # check whether EBP is available on x86
2946     # As 'i' is stored on the stack, this program will crash
2947     # if the base pointer is used to access it because the
2948     # base pointer is cleared in the inline assembly code.
2949     check_exec_crash <<EOF && enable ebp_available
2950     volatile int i=0;
2951     __asm__ volatile (
2952         "xorl %%ebp, %%ebp"
2953     ::: "%ebp");
2954     return i;
2955 EOF
2956
2957     # check whether EBX is available on x86
2958     check_asm ebx_available '""::"b"(0)' &&
2959         check_asm ebx_available '"":::"%ebx"'
2960
2961     # check whether xmm clobbers are supported
2962     check_asm xmm_clobbers '"":::"%xmm0"'
2963
2964     # check whether binutils is new enough to compile SSSE3/MMX2
2965     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2966     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2967
2968     if ! disabled_any asm mmx yasm; then
2969         if check_cmd $yasmexe --version; then
2970             enabled x86_64 && yasm_extra="-m amd64"
2971             yasm_debug="-g dwarf2"
2972         elif check_cmd nasm -v; then
2973             yasmexe=nasm
2974             yasm_debug="-g -F dwarf"
2975             enabled x86_64 && test "$objformat" = elf && objformat=elf64
2976         fi
2977
2978         YASMFLAGS="-f $objformat $yasm_extra"
2979         enabled pic               && append YASMFLAGS "-DPIC"
2980         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2981         case "$objformat" in
2982             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2983         esac
2984
2985         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2986             die "yasm not found, use --disable-yasm for a crippled build"
2987         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2988     fi
2989
2990     case "$cpu" in
2991         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2992             disable fast_clz
2993         ;;
2994     esac
2995
2996 fi
2997
2998 if enabled asm; then
2999     as=${gas:=$as}
3000     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3001         $nogas "GNU assembler not found, install gas-preprocessor"
3002 fi
3003
3004 check_ldflags -Wl,--as-needed
3005
3006 if check_func dlopen; then
3007     ldl=
3008 elif check_func dlopen -ldl; then
3009     ldl=-ldl
3010 fi
3011
3012 if enabled network; then
3013     check_type "sys/types.h sys/socket.h" socklen_t
3014     check_type netdb.h "struct addrinfo"
3015     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3016     check_type netinet/in.h "struct sockaddr_in6"
3017     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3018     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3019     # Prefer arpa/inet.h over winsock2
3020     if check_header arpa/inet.h ; then
3021         check_func closesocket
3022     elif check_header winsock2.h ; then
3023         check_func_headers winsock2.h closesocket -lws2 && \
3024             network_extralibs="-lws2" || \
3025         { check_func_headers winsock2.h closesocket -lws2_32 && \
3026             network_extralibs="-lws2_32"; }
3027         check_type ws2tcpip.h socklen_t
3028         check_type ws2tcpip.h "struct addrinfo"
3029         check_type ws2tcpip.h "struct ipv6_mreq"
3030         check_type ws2tcpip.h "struct sockaddr_in6"
3031         check_type ws2tcpip.h "struct sockaddr_storage"
3032         check_struct winsock2.h "struct sockaddr" sa_len
3033     else
3034         disable network
3035     fi
3036 fi
3037
3038 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3039 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3040
3041 check_func  fcntl
3042 check_func  fork
3043 check_func  getaddrinfo $network_extralibs
3044 check_func  gethrtime
3045 check_func  getrusage
3046 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3047 check_func  inet_aton $network_extralibs
3048 check_func  isatty
3049 check_func  localtime_r
3050 check_func  ${malloc_prefix}memalign            && enable memalign
3051 check_func  mkstemp
3052 check_func  mmap
3053 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
3054 check_func  setrlimit
3055 check_func  strerror_r
3056 check_func  strptime
3057 check_func  sched_getaffinity
3058 check_func  sysconf
3059 check_func  sysctl
3060 check_func_headers conio.h kbhit
3061 check_func_headers windows.h PeekNamedPipe
3062 check_func_headers io.h setmode
3063 check_func_headers lzo/lzo1x.h lzo1x_999_compress
3064 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3065 check_func_headers windows.h GetProcessAffinityMask
3066 check_func_headers windows.h GetProcessTimes
3067 check_func_headers windows.h MapViewOfFile
3068 check_func_headers windows.h VirtualAlloc
3069
3070 check_header dlfcn.h
3071 check_header dxva2api.h -D_WIN32_WINNT=0x0600
3072 check_header libcrystalhd/libcrystalhd_if.h
3073 check_header malloc.h
3074 check_header poll.h
3075 check_header sys/mman.h
3076 check_header sys/param.h
3077 check_header sys/resource.h
3078 check_header sys/select.h
3079 check_header termios.h
3080 check_header vdpau/vdpau.h
3081 check_header vdpau/vdpau_x11.h
3082 check_header X11/extensions/XvMClib.h
3083 check_header asm/types.h
3084
3085 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3086 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3087
3088 # check for VDA header
3089 if ! disabled vda; then
3090     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3091         enable vda
3092         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3093     fi
3094 fi
3095
3096 if ! disabled w32threads && ! enabled pthreads; then
3097     check_func _beginthreadex && enable w32threads
3098 fi
3099
3100 # check for some common methods of building with pthread support
3101 # do this before the optional library checks as some of them require pthreads
3102 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3103     enable pthreads
3104     if check_func pthread_create; then
3105         :
3106     elif check_func pthread_create -pthread; then
3107         add_cflags -pthread
3108         add_extralibs -pthread
3109     elif check_func pthread_create -pthreads; then
3110         add_cflags -pthreads
3111         add_extralibs -pthreads
3112     elif check_func pthread_create -lpthreadGC2; then
3113         add_extralibs -lpthreadGC2
3114     elif ! check_lib pthread.h pthread_create -lpthread; then
3115         disable pthreads
3116     fi
3117 fi
3118
3119 for thread in $THREADS_LIST; do
3120     if enabled $thread; then
3121         test -n "$thread_type" &&
3122             die "ERROR: Only one thread type must be selected." ||
3123             thread_type="$thread"
3124     fi
3125 done
3126
3127 check_lib math.h sin -lm && LIBM="-lm"
3128 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3129 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3130
3131 check_mathfunc cbrtf
3132 check_mathfunc exp2
3133 check_mathfunc exp2f
3134 check_mathfunc llrint
3135 check_mathfunc llrintf
3136 check_mathfunc log2
3137 check_mathfunc log2f
3138 check_mathfunc lrint
3139 check_mathfunc lrintf
3140 check_mathfunc round
3141 check_mathfunc roundf
3142 check_mathfunc trunc
3143 check_mathfunc truncf
3144
3145 # these are off by default, so fail if requested and not available
3146 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3147 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3148 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3149 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3150 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3151 enabled libbluray  && require libbluray libbluray/bluray.h bd_open -lbluray
3152 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0 &&
3153                       { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
3154                         die "ERROR: libcelt version must be >= 0.11.0."; }
3155 enabled libdirac   && require_pkg_config dirac                          \
3156     "libdirac_decoder/dirac_parser.h"  \
3157     "dirac_decoder_init"
3158 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3159 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3160 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3161 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3162 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3163 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3164 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3165 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3166 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3167 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3168 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3169 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3170 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3171 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3172 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3173     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3174     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder
3175 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3176 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3177 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3178 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3179 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3180 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3181 enabled libvpx     && {
3182     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3183                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3184     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
3185                                 die "ERROR: libvpx encoder version must be >=0.9.6"; } }
3186 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3187                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3188                         die "ERROR: libx264 version must be >= 0.118."; }
3189 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3190 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3191 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3192                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3193                         die "ERROR: openal not found"; } &&
3194                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3195                         die "ERROR: openal version must be 1.1 or compatible"; }
3196 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3197                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3198                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3199                         die "ERROR: openssl not found"; }
3200
3201 # libdc1394 check
3202 if enabled libdc1394; then
3203     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3204         enable libdc1394_2; } ||
3205     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3206         enable libdc1394_1; } ||
3207     die "ERROR: No version of libdc1394 found "
3208 fi
3209
3210 SDL_CONFIG="${cross_prefix}sdl-config"
3211 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
3212     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3213     enable sdl &&
3214     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3215 else
3216   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3217     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3218     sdl_libs=$("${SDL_CONFIG}" --libs)
3219     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3220     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3221     enable sdl &&
3222     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3223   fi
3224 fi
3225 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3226
3227 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3228 makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
3229
3230 check_header linux/fb.h
3231 check_header linux/videodev.h
3232 check_header linux/videodev2.h
3233 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3234
3235 check_header sys/videoio.h
3236
3237 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3238 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3239 # w32api 3.12 had it defined wrong
3240 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3241
3242 check_type "dshow.h" IBaseFilter
3243
3244 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3245 { check_header dev/bktr/ioctl_meteor.h &&
3246   check_header dev/bktr/ioctl_bt848.h; } ||
3247 { check_header machine/ioctl_meteor.h &&
3248   check_header machine/ioctl_bt848.h; } ||
3249 { check_header dev/video/meteor/ioctl_meteor.h &&
3250   check_header dev/video/bktr/ioctl_bt848.h; } ||
3251 check_header dev/ic/bt8xx.h
3252
3253 check_header sndio.h
3254 if check_struct sys/soundcard.h audio_buf_info bytes; then
3255     enable_safe sys/soundcard.h
3256 else
3257     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3258     #include <sys/soundcard.h>
3259     audio_buf_info abc;
3260 EOF
3261 fi
3262 check_header soundcard.h
3263
3264 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3265
3266 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait
3267
3268 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3269
3270 enabled libcdio &&
3271     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3272
3273 enabled x11grab                         &&
3274 check_header X11/Xlib.h                 &&
3275 check_header X11/extensions/XShm.h      &&
3276 check_header X11/extensions/Xfixes.h    &&
3277 check_func XOpenDisplay -lX11           &&
3278 check_func XShmCreateImage -lX11 -lXext &&
3279 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
3280
3281 if ! disabled vaapi; then
3282     check_lib va/va.h vaInitialize -lva && {
3283         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3284         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3285     } || disable vaapi
3286 fi
3287
3288 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3289 check_cpp_condition \
3290     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3291     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3292       disable vdpau; }
3293 fi
3294
3295 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3296 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3297 test -n "$valgrind" && target_exec="$valgrind --error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3298
3299 # add some useful compiler flags if supported
3300 check_cflags -Wdeclaration-after-statement
3301 check_cflags -Wall
3302 check_cflags -Wno-parentheses
3303 check_cflags -Wno-switch
3304 check_cflags -Wno-format-zero-length
3305 check_cflags -Wdisabled-optimization
3306 check_cflags -Wpointer-arith
3307 check_cflags -Wredundant-decls
3308 check_cflags -Wno-pointer-sign
3309 check_cflags -Wcast-qual
3310 check_cflags -Wwrite-strings
3311 check_cflags -Wtype-limits
3312 check_cflags -Wundef
3313 check_cflags -Wmissing-prototypes
3314 check_cflags -Wno-pointer-to-int-cast
3315 check_cflags -Wstrict-prototypes
3316 enabled extra_warnings && check_cflags -Winline
3317
3318 # add some linker flags
3319 check_ldflags -Wl,--warn-common
3320 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3321 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3322
3323 enabled xmm_clobber_test &&                             \
3324     check_ldflags -Wl,--wrap,avcodec_open2              \
3325                   -Wl,--wrap,avcodec_decode_audio4      \
3326                   -Wl,--wrap,avcodec_decode_video2      \
3327                   -Wl,--wrap,avcodec_decode_subtitle2   \
3328                   -Wl,--wrap,avcodec_encode_audio2      \
3329                   -Wl,--wrap,avcodec_encode_video       \
3330                   -Wl,--wrap,avcodec_encode_subtitle    \
3331                   -Wl,--wrap,sws_scale ||               \
3332     disable xmm_clobber_test
3333
3334 echo "X{};" > $TMPV
3335 if test_ldflags -Wl,--version-script,$TMPV; then
3336     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3337     check_cc <<EOF && enable symver_asm_label
3338 void ff_foo(void) __asm__ ("av_foo@VERSION");
3339 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3340 EOF
3341     check_cc <<EOF && enable symver_gnu_asm
3342 __asm__(".symver ff_foo,av_foo@VERSION");
3343 void ff_foo(void) {}
3344 EOF
3345 fi
3346
3347 if [ -n "$optflags" ]; then
3348     add_cflags $optflags
3349 elif enabled small; then
3350     add_cflags $size_cflags
3351 elif enabled optimizations; then
3352     add_cflags $speed_cflags
3353 else
3354     add_cflags $noopt_cflags
3355 fi
3356 check_cflags -fno-math-errno
3357 check_cflags -fno-signed-zeros
3358 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3359 int x;
3360 EOF
3361
3362
3363 if enabled icc; then
3364     # Just warnings, no remarks
3365     check_cflags -w1
3366     # -wd: Disable following warnings
3367     # 144, 167, 556: -Wno-pointer-sign
3368     # 1292: attribute "foo" ignored
3369     # 10006: ignoring unknown option -fno-signed-zeros
3370     # 10148: ignoring unknown option -Wno-parentheses
3371     # 10156: ignoring option '-W'; no argument required
3372     check_cflags -wd144,167,556,1292,10006,10148,10156
3373     # 11030: Warning unknown option --as-needed
3374     # 10156: ignoring option '-export'; no argument required
3375     check_ldflags -wd10156,11030
3376     # Allow to compile with optimizations
3377     check_ldflags -march=$cpu
3378     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3379     enable ebp_available
3380     if enabled x86_32; then
3381         test ${icc_version%%.*} -ge 11 && \
3382             check_cflags -falign-stack=maintain-16-byte || \
3383             disable aligned_stack
3384     fi
3385 elif enabled ccc; then
3386     # disable some annoying warnings
3387     add_cflags -msg_disable cvtu32to64
3388     add_cflags -msg_disable embedcomment
3389     add_cflags -msg_disable needconstext
3390     add_cflags -msg_disable nomainieee
3391     add_cflags -msg_disable ptrmismatch1
3392     add_cflags -msg_disable unreachcode
3393 elif enabled gcc; then
3394     check_cflags -fno-tree-vectorize
3395     check_cflags -Werror=implicit-function-declaration
3396     check_cflags -Werror=missing-prototypes
3397 elif enabled llvm_gcc; then
3398     check_cflags -mllvm -stack-alignment=16
3399 elif enabled clang; then
3400     check_cflags -mllvm -stack-alignment=16
3401     check_cflags -Qunused-arguments
3402 elif enabled armcc; then
3403     # 2523: use of inline assembler is deprecated
3404     add_cflags -W${armcc_opt},--diag_suppress=2523
3405     add_cflags -W${armcc_opt},--diag_suppress=1207
3406     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3407     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3408     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3409     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3410 elif enabled tms470; then
3411     add_cflags -pds=824 -pds=837
3412 elif enabled pathscale; then
3413     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3414 fi
3415
3416 enabled_any $THREADS_LIST      && enable threads
3417
3418 check_deps $CONFIG_LIST       \
3419            $CONFIG_EXTRA      \
3420            $HAVE_LIST         \
3421            $ALL_COMPONENTS    \
3422            $ALL_TESTS         \
3423
3424 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3425
3426 if test $target_os = "haiku"; then
3427     disable memalign
3428     disable posix_memalign
3429 fi
3430
3431 ! enabled_any memalign posix_memalign malloc_aligned &&
3432     enabled_any $need_memalign && enable memalign_hack
3433
3434 # add_dep lib dep
3435 # -> enable ${lib}_deps_${dep}
3436 # -> add $dep to ${lib}_deps only once
3437 add_dep() {
3438     lib=$1
3439     dep=$2
3440     enabled "${lib}_deps_${dep}" && return 0
3441     enable  "${lib}_deps_${dep}"
3442     prepend "${lib}_deps" $dep
3443 }
3444
3445 # merge deps lib components
3446 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
3447 merge_deps() {
3448     lib=$1
3449     shift
3450     for comp in $*; do
3451         enabled $comp || continue
3452         eval "dep=\"\$${comp}_deps\""
3453         for d in $dep; do
3454             add_dep $lib $d
3455         done
3456     done
3457 }
3458
3459 merge_deps libavfilter $FILTER_LIST
3460
3461 echo "install prefix            $prefix"
3462 echo "source path               $source_path"
3463 echo "C compiler                $cc"
3464 echo "ARCH                      $arch ($cpu)"
3465 if test "$build_suffix" != ""; then
3466     echo "build suffix              $build_suffix"
3467 fi
3468 if test "$progs_suffix" != ""; then
3469     echo "progs suffix              $progs_suffix"
3470 fi
3471 if test "$extra_version" != ""; then
3472     echo "version string suffix     $extra_version"
3473 fi
3474 echo "big-endian                ${bigendian-no}"
3475 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3476 if enabled x86; then
3477     echo "${yasmexe}                      ${yasm-no}"
3478     echo "MMX enabled               ${mmx-no}"
3479     echo "MMX2 enabled              ${mmx2-no}"
3480     echo "3DNow! enabled            ${amd3dnow-no}"
3481     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3482     echo "SSE enabled               ${sse-no}"
3483     echo "SSSE3 enabled             ${ssse3-no}"
3484     echo "AVX enabled               ${avx-no}"
3485     echo "CMOV enabled              ${cmov-no}"
3486     echo "CMOV is fast              ${fast_cmov-no}"
3487     echo "EBX available             ${ebx_available-no}"
3488     echo "EBP available             ${ebp_available-no}"
3489 fi
3490 if enabled arm; then
3491     echo "ARMv5TE enabled           ${armv5te-no}"
3492     echo "ARMv6 enabled             ${armv6-no}"
3493     echo "ARMv6T2 enabled           ${armv6t2-no}"
3494     echo "ARM VFP enabled           ${armvfp-no}"
3495     echo "NEON enabled              ${neon-no}"
3496 fi
3497 if enabled mips; then
3498     echo "MMI enabled               ${mmi-no}"
3499 fi
3500 if enabled ppc; then
3501     echo "AltiVec enabled           ${altivec-no}"
3502     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3503     echo "dcbzl available           ${dcbzl-no}"
3504 fi
3505 if enabled sparc; then
3506     echo "VIS enabled               ${vis-no}"
3507 fi
3508 echo "debug symbols             ${debug-no}"
3509 echo "strip symbols             ${stripping-no}"
3510 echo "optimize for size         ${small-no}"
3511 echo "optimizations             ${optimizations-no}"
3512 echo "static                    ${static-no}"
3513 echo "shared                    ${shared-no}"
3514 echo "postprocessing support    ${postproc-no}"
3515 echo "new filter support        ${avfilter-no}"
3516 echo "network support           ${network-no}"
3517 echo "threading support         ${thread_type-no}"
3518 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
3519 echo "SDL support               ${sdl-no}"
3520 echo "libdxva2 enabled          ${dxva2-no}"
3521 echo "libva enabled             ${vaapi-no}"
3522 echo "libvdpau enabled          ${vdpau-no}"
3523 echo "AVISynth enabled          ${avisynth-no}"
3524 echo "frei0r enabled            ${frei0r-no}"
3525 echo "gnutls enabled            ${gnutls-no}"
3526 echo "libaacplus enabled        ${libaacplus-no}"
3527 echo "libass enabled            ${libass-no}"
3528 echo "libcdio support           ${libcdio-no}"
3529 echo "libcelt enabled           ${libcelt-no}"
3530 echo "libdc1394 support         ${libdc1394-no}"
3531 echo "libdirac enabled          ${libdirac-no}"
3532 echo "libfaac enabled           ${libfaac-no}"
3533 echo "libgsm enabled            ${libgsm-no}"
3534 echo "libmodplug enabled        ${libmodplug-no}"
3535 echo "libmp3lame enabled        ${libmp3lame-no}"
3536 echo "libnut enabled            ${libnut-no}"
3537 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3538 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3539 echo "libopencv support         ${libopencv-no}"
3540 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3541 echo "libpulse enabled          ${libpulse-no}"
3542 echo "librtmp enabled           ${librtmp-no}"
3543 echo "libschroedinger enabled   ${libschroedinger-no}"
3544 echo "libspeex enabled          ${libspeex-no}"
3545 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
3546 echo "libtheora enabled         ${libtheora-no}"
3547 echo "libutvideo enabled        ${libutvideo-no}"
3548 echo "libv4l2 enabled           ${libv4l2-no}"
3549 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3550 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3551 echo "libvorbis enabled         ${libvorbis-no}"
3552 echo "libvpx enabled            ${libvpx-no}"
3553 echo "libx264 enabled           ${libx264-no}"
3554 echo "libxavs enabled           ${libxavs-no}"
3555 echo "libxvid enabled           ${libxvid-no}"
3556 echo "openal enabled            ${openal-no}"
3557 echo "openssl enabled           ${openssl-no}"
3558 echo "zlib enabled              ${zlib-no}"
3559 echo "bzlib enabled             ${bzlib-no}"
3560 echo
3561
3562 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3563     echo "Enabled ${type}s:"
3564     eval list=\$$(toupper $type)_LIST
3565     print_enabled '_*' $list | sort | pr -r -3 -t
3566     echo
3567 done
3568
3569 license="LGPL version 2.1 or later"
3570 if enabled nonfree; then
3571     license="nonfree and unredistributable"
3572 elif enabled gplv3; then
3573     license="GPL version 3 or later"
3574 elif enabled lgplv3; then
3575     license="LGPL version 3 or later"
3576 elif enabled gpl; then
3577     license="GPL version 2 or later"
3578 fi
3579
3580 echo "License: $license"
3581
3582 echo "Creating config.mak and config.h..."
3583
3584 test -e Makefile || $ln_s "$source_path/Makefile" .
3585
3586 enabled stripping || strip="echo skipping strip"
3587
3588 config_files="$TMPH config.mak"
3589
3590 cat > config.mak <<EOF
3591 # Automatically generated by configure - do not modify!
3592 ifndef FFMPEG_CONFIG_MAK
3593 FFMPEG_CONFIG_MAK=1
3594 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3595 prefix=$prefix
3596 LIBDIR=\$(DESTDIR)$libdir
3597 SHLIBDIR=\$(DESTDIR)$shlibdir
3598 INCDIR=\$(DESTDIR)$incdir
3599 BINDIR=\$(DESTDIR)$bindir
3600 DATADIR=\$(DESTDIR)$datadir
3601 MANDIR=\$(DESTDIR)$mandir
3602 SRC_PATH=$source_path
3603 ifndef MAIN_MAKEFILE
3604 SRC_PATH:=\$(SRC_PATH:.%=..%)
3605 endif
3606 CC_IDENT=$cc_ident
3607 ARCH=$arch
3608 CC=$cc
3609 CXX=$cxx
3610 AS=$as
3611 LD=$ld
3612 DEPCC=$dep_cc
3613 YASM=$yasmexe
3614 YASMDEP=$yasmexe
3615 AR=$ar
3616 RANLIB=$ranlib
3617 CP=cp -p
3618 LN_S=$ln_s
3619 STRIP=$strip
3620 CPPFLAGS=$CPPFLAGS
3621 CFLAGS=$CFLAGS
3622 CXXFLAGS=$CXXFLAGS
3623 ASFLAGS=$ASFLAGS
3624 AS_O=$CC_O
3625 CC_O=$CC_O
3626 CXX_O=$CXX_O
3627 LDFLAGS=$LDFLAGS
3628 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3629 SHFLAGS=$SHFLAGS
3630 YASMFLAGS=$YASMFLAGS
3631 BUILDSUF=$build_suffix
3632 PROGSSUF=$progs_suffix
3633 FULLNAME=$FULLNAME
3634 LIBPREF=$LIBPREF
3635 LIBSUF=$LIBSUF
3636 LIBNAME=$LIBNAME
3637 SLIBPREF=$SLIBPREF
3638 SLIBSUF=$SLIBSUF
3639 EXESUF=$EXESUF
3640 EXTRA_VERSION=$extra_version
3641 DEPFLAGS=$DEPFLAGS
3642 CCDEP=$CCDEP
3643 CXXDEP=$CXXDEP
3644 ASDEP=$ASDEP
3645 CC_DEPFLAGS=$CC_DEPFLAGS
3646 AS_DEPFLAGS=$AS_DEPFLAGS
3647 HOSTCC=$host_cc
3648 HOSTCFLAGS=$host_cflags
3649 HOSTEXESUF=$HOSTEXESUF
3650 HOSTLDFLAGS=$host_ldflags
3651 HOSTLIBS=$host_libs
3652 TARGET_EXEC=$target_exec
3653 TARGET_PATH=$target_path
3654 SDL_LIBS=$sdl_libs
3655 SDL_CFLAGS=$sdl_cflags
3656 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3657 EXTRALIBS=$extralibs
3658 INSTALL=$install
3659 LIBTARGET=${LIBTARGET}
3660 SLIBNAME=${SLIBNAME}
3661 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3662 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3663 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3664 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3665 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3666 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3667 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3668 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3669 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3670 NOREDZONE_FLAGS=$noredzone_flags
3671 EOF
3672
3673 get_version(){
3674     name=$1
3675     file=$source_path/$2
3676 # This condition will be removed when we stop supporting old libpostproc versions
3677 if ! test "$name" = LIBPOSTPROC || test "$postproc_version" = current; then
3678     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3679     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3680 fi
3681     lcname=$(tolower $name)
3682     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3683     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3684 }
3685
3686 get_version LIBAVCODEC  libavcodec/version.h
3687 get_version LIBAVDEVICE libavdevice/avdevice.h
3688 get_version LIBAVFILTER libavfilter/version.h
3689 get_version LIBAVFORMAT libavformat/version.h
3690 get_version LIBAVUTIL   libavutil/avutil.h
3691 get_version LIBPOSTPROC libpostproc/postprocess.h
3692 get_version LIBSWRESAMPLE libswresample/swresample.h
3693 get_version LIBSWSCALE  libswscale/swscale.h
3694
3695 cat > $TMPH <<EOF
3696 /* Automatically generated by configure - do not modify! */
3697 #ifndef FFMPEG_CONFIG_H
3698 #define FFMPEG_CONFIG_H
3699 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3700 #define FFMPEG_LICENSE "$(c_escape $license)"
3701 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3702 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3703 #define CC_TYPE "$cc_type"
3704 #define CC_VERSION $cc_version
3705 #define restrict $_restrict
3706 #define EXTERN_PREFIX "${extern_prefix}"
3707 #define EXTERN_ASM ${extern_prefix}
3708 #define SLIBSUF "$SLIBSUF"
3709 EOF
3710
3711 test -n "$malloc_prefix" &&
3712     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3713
3714 if enabled small || disabled optimizations; then
3715     echo "#undef  av_always_inline"  >> $TMPH
3716     if enabled small; then
3717         echo "#define av_always_inline inline"  >> $TMPH
3718     else
3719         echo "#define av_always_inline av_unused"  >> $TMPH
3720     fi
3721 fi
3722
3723 if enabled yasm; then
3724     append config_files $TMPASM
3725     printf '' >$TMPASM
3726 fi
3727
3728 print_config ARCH_   "$config_files" $ARCH_LIST
3729 print_config HAVE_   "$config_files" $HAVE_LIST
3730 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3731                                      $CONFIG_EXTRA      \
3732                                      $ALL_COMPONENTS    \
3733
3734 cat >>config.mak <<EOF
3735 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3736 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3737 LAVF_FATE_TESTS=$(print_enabled -n _test $LAVF_FATE_TESTS)
3738 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3739 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3740 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3741 EOF
3742
3743 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3744 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3745
3746 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3747 cp_if_changed $TMPH config.h
3748 touch .config
3749
3750 enabled yasm && cp_if_changed $TMPASM config.asm
3751
3752 cat > $TMPH <<EOF
3753 /* Generated by ffconf */
3754 #ifndef AVUTIL_AVCONFIG_H
3755 #define AVUTIL_AVCONFIG_H
3756 EOF
3757
3758 test "$postproc_version" != current && cat >> $TMPH <<EOF
3759 #define LIBPOSTPROC_VERSION_MAJOR $LIBPOSTPROC_VERSION_MAJOR
3760 #define LIBPOSTPROC_VERSION_MINOR $LIBPOSTPROC_VERSION_MINOR
3761 #define LIBPOSTPROC_VERSION_MICRO $LIBPOSTPROC_VERSION_MICRO
3762 EOF
3763
3764 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3765
3766 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3767
3768 cp_if_changed $TMPH libavutil/avconfig.h
3769
3770 test -n "$WARNINGS" && printf "\n$WARNINGS"
3771
3772 # build pkg-config files
3773
3774 pkgconfig_generate(){
3775 name=$1
3776 shortname=${name#lib}${build_suffix}
3777 comment=$2
3778 version=$3
3779 libs=$4
3780 requires=$5
3781 enabled ${name#lib} || return 0
3782 mkdir -p $name
3783 cat <<EOF > $name/$name.pc
3784 prefix=$prefix
3785 exec_prefix=\${prefix}
3786 libdir=$libdir
3787 includedir=$incdir
3788
3789 Name: $name
3790 Description: $comment
3791 Version: $version
3792 Requires: $(enabled shared || echo $requires)
3793 Requires.private: $(enabled shared && echo $requires)
3794 Conflicts:
3795 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3796 Libs.private: $(enabled shared && echo $libs)
3797 Cflags: -I\${includedir}
3798 EOF
3799 cat <<EOF > $name/$name-uninstalled.pc
3800 prefix=
3801 exec_prefix=
3802 libdir=\${pcfiledir}
3803 includedir=${source_path}
3804
3805 Name: $name
3806 Description: $comment
3807 Version: $version
3808 Requires: $requires
3809 Conflicts:
3810 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3811 Cflags: -I\${includedir}
3812 EOF
3813 }
3814
3815 libavfilter_pc_deps=""
3816 enabled libavfilter_deps_avcodec    && prepend libavfilter_pc_deps "libavcodec = $LIBAVCODEC_VERSION,"
3817 enabled libavfilter_deps_avformat   && prepend libavfilter_pc_deps "libavformat = $LIBAVFORMAT_VERSION,"
3818 enabled libavfilter_deps_swscale    && prepend libavfilter_pc_deps "libswscale = $LIBSWSCALE_VERSION,"
3819 enabled libavfilter_deps_swresample && prepend libavfilter_pc_deps "libswresample = $LIBSWRESAMPLE_VERSION,"
3820 enabled libavfilter_deps_postproc   && prepend libavfilter_pc_deps "libpostproc = $LIBPOSTPROC_VERSION,"
3821 libavfilter_pc_deps=${libavfilter_pc_deps%, }
3822
3823 libavdevice_pc_deps="libavformat = $LIBAVFORMAT_VERSION"
3824 enabled lavfi_indev && prepend libavdevice_pc_deps "libavfilter = $LIBAVFILTER_VERSION,"
3825
3826 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3827 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3828 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3829 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$libavdevice_pc_deps"
3830 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$libavfilter_pc_deps"
3831 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3832 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
3833 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"