configure: enable libutvideo is gpl warning
[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 [$arch]
239   --cpu=CPU                select the minimum required CPU (affects
240                            instruction selection, may crash on older CPUs)
241   --disable-asm            disable all assembler optimizations
242   --disable-altivec        disable AltiVec optimizations
243   --disable-amd3dnow       disable 3DNow! optimizations
244   --disable-amd3dnowext    disable 3DNow! extended optimizations
245   --disable-mmx            disable MMX optimizations
246   --disable-mmx2           disable MMX2 optimizations
247   --disable-sse            disable SSE optimizations
248   --disable-ssse3          disable SSSE3 optimizations
249   --disable-avx            disable AVX optimizations
250   --disable-armv5te        disable armv5te optimizations
251   --disable-armv6          disable armv6 optimizations
252   --disable-armv6t2        disable armv6t2 optimizations
253   --disable-armvfp         disable ARM VFP optimizations
254   --disable-iwmmxt         disable iwmmxt optimizations
255   --disable-mmi            disable MMI optimizations
256   --disable-neon           disable NEON optimizations
257   --disable-vis            disable VIS optimizations
258   --disable-yasm           disable use of yasm assembler
259   --enable-pic             build position-independent code
260   --malloc-prefix=PFX      prefix malloc and related names with PFX
261   --enable-sram            allow use of on-chip SRAM
262   --disable-symver         disable symbol versioning
263   --optflags               override optimization-related compiler flags
264   --postproc-version=V     build libpostproc version V.
265                            Where V can be '$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO' or 'current'. [$postproc_version_default]
266
267 Developer options (useful when working on FFmpeg itself):
268   --enable-coverage        build with test coverage instrumentation
269   --disable-debug          disable debugging symbols
270   --enable-debug=LEVEL     set the debug level [$debuglevel]
271   --disable-optimizations  disable compiler optimizations
272   --enable-extra-warnings  enable more compiler warnings
273   --disable-stripping      disable stripping of executables and shared libraries
274   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory
275                            leaks and errors, using the specified valgrind binary.
276                            Cannot be combined with --target-exec
277   --samples=PATH           location of test samples for FATE, if not set use
278                            \$FATE_SAMPLES at make invocation time.
279   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
280                            should be used only for debugging purposes)
281
282 NOTE: Object files are built at the place where configure is launched.
283 EOF
284   exit 0
285 }
286
287 quotes='""'
288
289 log(){
290     echo "$@" >> $logfile
291 }
292
293 log_file(){
294     log BEGIN $1
295     pr -n -t $1 >> $logfile
296     log END $1
297 }
298
299 echolog(){
300     log "$@"
301     echo "$@"
302 }
303
304 warn(){
305     log "WARNING: $*"
306     WARNINGS="${WARNINGS}WARNING: $*\n"
307 }
308
309 die(){
310     echolog "$@"
311     cat <<EOF
312
313 If you think configure made a mistake, make sure you are using the latest
314 version from Git.  If the latest version fails, report the problem to the
315 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
316 EOF
317     if disabled logging; then
318         cat <<EOF
319 Rerun configure with logging enabled (do not use --disable-logging), and
320 include the log this produces with your report.
321 EOF
322     else
323 cat <<EOF
324 Include the log file "$logfile" produced by configure as this will help
325 solving the problem.
326 EOF
327     fi
328     exit 1
329 }
330
331 # Avoid locale weirdness, besides we really just want to translate ASCII.
332 toupper(){
333     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
334 }
335
336 tolower(){
337     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
338 }
339
340 c_escape(){
341     echo "$*" | sed 's/["\\]/\\\0/g'
342 }
343
344 sh_quote(){
345     v=$(echo "$1" | sed "s/'/'\\\\''/g")
346     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
347     echo "$v"
348 }
349
350 cleanws(){
351     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
352 }
353
354 filter(){
355     pat=$1
356     shift
357     for v; do
358         eval "case $v in $pat) echo $v ;; esac"
359     done
360 }
361
362 filter_out(){
363     pat=$1
364     shift
365     for v; do
366         eval "case $v in $pat) ;; *) echo $v ;; esac"
367     done
368 }
369
370 map(){
371     m=$1
372     shift
373     for v; do eval $m; done
374 }
375
376 set_all(){
377     value=$1
378     shift
379     for var in $*; do
380         eval $var=$value
381     done
382 }
383
384 set_weak(){
385     value=$1
386     shift
387     for var; do
388         eval : \${$var:=$value}
389     done
390 }
391
392 set_safe(){
393     var=$1
394     shift
395     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
396 }
397
398 get_safe(){
399     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
400 }
401
402 pushvar(){
403     for var in $*; do
404         eval level=\${${var}_level:=0}
405         eval ${var}_${level}="\$$var"
406         eval ${var}_level=$(($level+1))
407     done
408 }
409
410 popvar(){
411     for var in $*; do
412         eval level=\${${var}_level:-0}
413         test $level = 0 && continue
414         eval level=$(($level-1))
415         eval $var="\${${var}_${level}}"
416         eval ${var}_level=$level
417         eval unset ${var}_${level}
418     done
419 }
420
421 enable(){
422     set_all yes $*
423 }
424
425 disable(){
426     set_all no $*
427 }
428
429 enable_weak(){
430     set_weak yes $*
431 }
432
433 disable_weak(){
434     set_weak no $*
435 }
436
437 enable_safe(){
438     for var; do
439         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
440     done
441 }
442
443 disable_safe(){
444     for var; do
445         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
446     done
447 }
448
449 do_enable_deep(){
450     for var; do
451         enabled $var && continue
452         eval sel="\$${var}_select"
453         eval sgs="\$${var}_suggest"
454         pushvar var sgs
455         enable_deep $sel
456         popvar sgs
457         enable_deep_weak $sgs
458         popvar var
459     done
460 }
461
462 enable_deep(){
463     do_enable_deep $*
464     enable $*
465 }
466
467 enable_deep_weak(){
468     do_enable_deep $*
469     enable_weak $*
470 }
471
472 enabled(){
473     test "${1#!}" = "$1" && op== || op=!=
474     eval test "x\$${1#!}" $op "xyes"
475 }
476
477 disabled(){
478     test "${1#!}" = "$1" && op== || op=!=
479     eval test "x\$${1#!}" $op "xno"
480 }
481
482 enabled_all(){
483     for opt; do
484         enabled $opt || return 1
485     done
486 }
487
488 disabled_all(){
489     for opt; do
490         disabled $opt || return 1
491     done
492 }
493
494 enabled_any(){
495     for opt; do
496         enabled $opt && return 0
497     done
498 }
499
500 disabled_any(){
501     for opt; do
502         disabled $opt && return 0
503     done
504     return 1
505 }
506
507 set_default(){
508     for opt; do
509         eval : \${$opt:=\$${opt}_default}
510     done
511 }
512
513 is_in(){
514     value=$1
515     shift
516     for var in $*; do
517         [ $var = $value ] && return 0
518     done
519     return 1
520 }
521
522 check_deps(){
523     for cfg; do
524         cfg="${cfg#!}"
525         enabled ${cfg}_checking && die "Circular dependency for $cfg."
526         disabled ${cfg}_checking && continue
527         enable ${cfg}_checking
528
529         eval dep_all="\$${cfg}_deps"
530         eval dep_any="\$${cfg}_deps_any"
531         eval dep_sel="\$${cfg}_select"
532         eval dep_sgs="\$${cfg}_suggest"
533         eval dep_ifa="\$${cfg}_if"
534         eval dep_ifn="\$${cfg}_if_any"
535
536         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
537         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
538         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
539
540         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
541         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
542         enabled_all  $dep_all || disable $cfg
543         enabled_any  $dep_any || disable $cfg
544         disabled_any $dep_sel && disable $cfg
545
546         if enabled $cfg; then
547             eval dep_extralibs="\$${cfg}_extralibs"
548             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
549             enable_deep $dep_sel
550             enable_deep_weak $dep_sgs
551         fi
552
553         disable ${cfg}_checking
554     done
555 }
556
557 print_config_h(){
558     enabled $1 && v=1 || v=0
559     echo "#define $2 $v"
560 }
561
562 print_config_mak(){
563     enabled $1 && v= || v=!
564     echo "$v$2=yes"
565 }
566
567 print_config_asm(){
568     enabled $1 && v=1 || v=0
569     echo "%define $2 $v"
570 }
571
572 print_config(){
573     pfx=$1
574     files=$2
575     shift 2
576     for cfg; do
577         ucname="$(toupper $cfg)"
578         for f in $files; do
579             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
580         done
581     done
582 }
583
584 print_enabled(){
585     test "$1" = -n && end=" " && shift || end="\n"
586     suf=$1
587     shift
588     for v; do
589         enabled $v && printf "%s$end" ${v%$suf};
590     done
591 }
592
593 append(){
594     var=$1
595     shift
596     eval "$var=\"\$$var $*\""
597 }
598
599 prepend(){
600     var=$1
601     shift
602     eval "$var=\"$* \$$var\""
603 }
604
605 add_cppflags(){
606     append CPPFLAGS $($filter_cppflags "$@")
607 }
608
609 add_cflags(){
610     append CFLAGS $($filter_cflags "$@")
611 }
612
613 add_cxxflags(){
614     append CXXFLAGS $($filter_cflags "$@")
615 }
616
617 add_asflags(){
618     append ASFLAGS $($filter_asflags "$@")
619 }
620
621 add_ldflags(){
622     append LDFLAGS "$@"
623 }
624
625 add_extralibs(){
626     prepend extralibs "$@"
627 }
628
629 check_cmd(){
630     log "$@"
631     "$@" >> $logfile 2>&1
632 }
633
634 check_cc(){
635     log check_cc "$@"
636     cat > $TMPC
637     log_file $TMPC
638     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
639 }
640
641 check_cxx(){
642     log check_cxx "$@"
643     cat > $TMPCPP
644     log_file $TMPCPP
645     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" -c -o $TMPO $TMPCPP
646 }
647
648 check_cpp(){
649     log check_cpp "$@"
650     cat > $TMPC
651     log_file $TMPC
652     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
653 }
654
655 check_as(){
656     log check_as "$@"
657     cat > $TMPC
658     log_file $TMPC
659     check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
660 }
661
662 check_asm(){
663     log check_asm "$@"
664     name="$1"
665     code="$2"
666     shift 2
667     disable $name
668     check_as "$@" <<EOF && enable $name
669 void foo(void){ __asm__ volatile($code); }
670 EOF
671 }
672
673 check_yasm(){
674     log check_yasm "$@"
675     echo "$1" > $TMPS
676     log_file $TMPS
677     shift 1
678     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
679 }
680
681 check_ld(){
682     log check_ld "$@"
683     type=$1
684     shift 1
685     flags=''
686     libs=''
687     for f; do
688         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
689     done
690     check_$type $($filter_cflags $flags) || return
691     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
692 }
693
694 check_cppflags(){
695     log check_cppflags "$@"
696     set -- $($filter_cppflags "$@")
697     check_cc "$@" <<EOF && append CPPFLAGS "$@"
698 int x;
699 EOF
700 }
701
702 check_cflags(){
703     log check_cflags "$@"
704     set -- $($filter_cflags "$@")
705     check_cc "$@" <<EOF && append CFLAGS "$@"
706 int x;
707 EOF
708 }
709
710 check_cxxflags(){
711     log check_cxxflags "$@"
712     set -- $($filter_cflags "$@")
713     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
714 int x;
715 EOF
716 }
717
718 test_ldflags(){
719     log test_ldflags "$@"
720     check_ld "cc" "$@" <<EOF
721 int main(void){ return 0; }
722 EOF
723 }
724
725 check_ldflags(){
726     log check_ldflags "$@"
727     test_ldflags "$@" && add_ldflags "$@"
728 }
729
730 check_header(){
731     log check_header "$@"
732     header=$1
733     shift
734     disable_safe $header
735     check_cpp "$@" <<EOF && enable_safe $header
736 #include <$header>
737 int x;
738 EOF
739 }
740
741 check_func(){
742     log check_func "$@"
743     func=$1
744     shift
745     disable $func
746     check_ld "cc" "$@" <<EOF && enable $func
747 extern int $func();
748 int main(void){ $func(); }
749 EOF
750 }
751
752 check_mathfunc(){
753     log check_mathfunc "$@"
754     func=$1
755     shift
756     disable $func
757     check_ld "cc" "$@" <<EOF && enable $func
758 #include <math.h>
759 float foo(float f) { return $func(f); }
760 int main(void){ return (int) foo; }
761 EOF
762 }
763
764 check_func_headers(){
765     log check_func_headers "$@"
766     headers=$1
767     funcs=$2
768     shift 2
769     {
770         for hdr in $headers; do
771             echo "#include <$hdr>"
772         done
773         for func in $funcs; do
774             echo "long check_$func(void) { return (long) $func; }"
775         done
776         echo "int main(void) { return 0; }"
777     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
778 }
779
780 check_class_headers_cpp(){
781     log check_class_headers_cpp "$@"
782     headers=$1
783     classes=$2
784     shift 2
785     {
786         for hdr in $headers; do
787             echo "#include <$hdr>"
788         done
789         echo "int main(void) { "
790         i=1
791         for class in $classes; do
792             echo "$class obj$i;"
793             i=$(expr $i + 1)
794         done
795         echo "return 0; }"
796     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
797 }
798
799 check_cpp_condition(){
800     log check_cpp_condition "$@"
801     header=$1
802     condition=$2
803     shift 2
804     check_cpp $($filter_cppflags "$@") <<EOF
805 #include <$header>
806 #if !($condition)
807 #error "unsatisfied condition: $condition"
808 #endif
809 EOF
810 }
811
812 check_lib(){
813     log check_lib "$@"
814     header="$1"
815     func="$2"
816     shift 2
817     check_header $header && check_func $func "$@" && add_extralibs "$@"
818 }
819
820 check_lib2(){
821     log check_lib2 "$@"
822     headers="$1"
823     funcs="$2"
824     shift 2
825     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
826 }
827
828 check_lib_cpp(){
829     log check_lib_cpp "$@"
830     headers="$1"
831     classes="$2"
832     shift 2
833     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
834 }
835
836 check_pkg_config(){
837     log check_pkg_config "$@"
838     pkg="$1"
839     headers="$2"
840     funcs="$3"
841     shift 3
842     $pkg_config --exists $pkg 2>/dev/null || return
843     pkg_cflags=$($pkg_config --cflags $pkg)
844     pkg_libs=$($pkg_config --libs $pkg)
845     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
846         set_safe ${pkg}_cflags $pkg_cflags   &&
847         set_safe ${pkg}_libs   $pkg_libs
848 }
849
850 check_exec(){
851     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
852 }
853
854 check_exec_crash(){
855     code=$(cat)
856
857     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
858     # are safe but may not be available everywhere.  Thus we use
859     # raise(SIGTERM) instead.  The check is run in a subshell so we
860     # can redirect the "Terminated" message from the shell.  SIGBUS
861     # is not defined by standard C so it is used conditionally.
862
863     (check_exec "$@") >> $logfile 2>&1 <<EOF
864 #include <signal.h>
865 static void sighandler(int sig){
866     raise(SIGTERM);
867 }
868 int func(void){
869     $code
870 }
871 int (*func_ptr)(void) = func;
872 int main(void){
873     signal(SIGILL, sighandler);
874     signal(SIGFPE, sighandler);
875     signal(SIGSEGV, sighandler);
876 #ifdef SIGBUS
877     signal(SIGBUS, sighandler);
878 #endif
879     return func_ptr();
880 }
881 EOF
882 }
883
884 check_type(){
885     log check_type "$@"
886     headers=$1
887     type=$2
888     shift 2
889     disable_safe "$type"
890     incs=""
891     for hdr in $headers; do
892         incs="$incs
893 #include <$hdr>"
894     done
895     check_cc "$@" <<EOF && enable_safe "$type"
896 $incs
897 $type v;
898 EOF
899 }
900
901 check_struct(){
902     log check_type "$@"
903     headers=$1
904     struct=$2
905     member=$3
906     shift 3
907     disable_safe "${struct}_${member}"
908     incs=""
909     for hdr in $headers; do
910         incs="$incs
911 #include <$hdr>"
912     done
913     check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
914 $incs
915 const void *p = &(($struct *)0)->$member;
916 EOF
917 }
918
919 require(){
920     name="$1"
921     header="$2"
922     func="$3"
923     shift 3
924     check_lib $header $func "$@" || die "ERROR: $name not found"
925 }
926
927 require2(){
928     name="$1"
929     headers="$2"
930     func="$3"
931     shift 3
932     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
933 }
934
935 require_cpp(){
936     name="$1"
937     headers="$2"
938     classes="$3"
939     shift 3
940     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
941 }
942
943 require_pkg_config(){
944     pkg="$1"
945     check_pkg_config "$@" || die "ERROR: $pkg not found"
946     add_cflags    $(get_safe ${pkg}_cflags)
947     add_extralibs $(get_safe ${pkg}_libs)
948 }
949
950 check_host_cc(){
951     log check_host_cc "$@"
952     cat > $TMPC
953     log_file $TMPC
954     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
955 }
956
957 check_host_cflags(){
958     log check_host_cflags "$@"
959     check_host_cc "$@" <<EOF && append host_cflags "$@"
960 int x;
961 EOF
962 }
963
964 apply(){
965     file=$1
966     shift
967     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
968 }
969
970 cp_if_changed(){
971     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
972     mkdir -p "$(dirname $2)"
973     cp -f "$1" "$2"
974 }
975
976 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
977 # system-dependent things.
978
979 COMPONENT_LIST="
980     bsfs
981     decoders
982     demuxers
983     encoders
984     filters
985     hwaccels
986     indevs
987     muxers
988     outdevs
989     parsers
990     protocols
991 "
992
993 PROGRAM_LIST="
994     ffplay
995     ffprobe
996     ffserver
997     ffmpeg
998 "
999
1000 CONFIG_LIST="
1001     $COMPONENT_LIST
1002     $PROGRAM_LIST
1003     avplay
1004     avprobe
1005     avserver
1006     aandct
1007     ac3dsp
1008     avcodec
1009     avdevice
1010     avfilter
1011     avformat
1012     avisynth
1013     bzlib
1014     crystalhd
1015     dct
1016     doc
1017     dwt
1018     dxva2
1019     fastdiv
1020     fft
1021     frei0r
1022     gnutls
1023     golomb
1024     gpl
1025     gray
1026     h264chroma
1027     h264dsp
1028     h264pred
1029     hardcoded_tables
1030     huffman
1031     libaacplus
1032     libass
1033     libbluray
1034     libcdio
1035     libcelt
1036     libdc1394
1037     libdirac
1038     libfaac
1039     libfreetype
1040     libgsm
1041     libmodplug
1042     libmp3lame
1043     libnut
1044     libopencore_amrnb
1045     libopencore_amrwb
1046     libopencv
1047     libopenjpeg
1048     libpulse
1049     librtmp
1050     libschroedinger
1051     libspeex
1052     libstagefright_h264
1053     libtheora
1054     libutvideo
1055     libv4l2
1056     libvo_aacenc
1057     libvo_amrwbenc
1058     libvorbis
1059     libvpx
1060     libx264
1061     libxavs
1062     libxvid
1063     lpc
1064     lsp
1065     mdct
1066     memalign_hack
1067     mpegaudiodsp
1068     network
1069     nonfree
1070     openal
1071     openssl
1072     pic
1073     postproc
1074     rdft
1075     rtpdec
1076     runtime_cpudetect
1077     safe_bitstream_reader
1078     shared
1079     sinewin
1080     small
1081     sram
1082     static
1083     swresample
1084     swscale
1085     swscale_alpha
1086     thumb
1087     vaapi
1088     vda
1089     vdpau
1090     version3
1091     xmm_clobber_test
1092     x11grab
1093     zlib
1094 "
1095
1096 THREADS_LIST='
1097     pthreads
1098     w32threads
1099     os2threads
1100 '
1101
1102 ARCH_LIST='
1103     alpha
1104     arm
1105     avr32
1106     avr32_ap
1107     avr32_uc
1108     bfin
1109     ia64
1110     m68k
1111     mips
1112     mips64
1113     parisc
1114     ppc
1115     ppc64
1116     s390
1117     sh4
1118     sparc
1119     sparc64
1120     tomi
1121     x86
1122     x86_32
1123     x86_64
1124 '
1125
1126 ARCH_EXT_LIST='
1127     altivec
1128     amd3dnow
1129     amd3dnowext
1130     armv5te
1131     armv6
1132     armv6t2
1133     armvfp
1134     avx
1135     iwmmxt
1136     mmi
1137     mmx
1138     mmx2
1139     neon
1140     ppc4xx
1141     sse
1142     ssse3
1143     vfpv3
1144     vis
1145 '
1146
1147 HAVE_LIST_PUB='
1148     bigendian
1149     fast_unaligned
1150 '
1151
1152 HAVE_LIST="
1153     $ARCH_EXT_LIST
1154     $HAVE_LIST_PUB
1155     $THREADS_LIST
1156     aligned_stack
1157     alsa_asoundlib_h
1158     altivec_h
1159     arpa_inet_h
1160     asm_mod_y
1161     asm_types_h
1162     attribute_may_alias
1163     attribute_packed
1164     cbrtf
1165     closesocket
1166     cmov
1167     dcbzl
1168     dev_bktr_ioctl_bt848_h
1169     dev_bktr_ioctl_meteor_h
1170     dev_ic_bt8xx_h
1171     dev_video_bktr_ioctl_bt848_h
1172     dev_video_meteor_ioctl_meteor_h
1173     dlfcn_h
1174     dlopen
1175     dos_paths
1176     ebp_available
1177     ebx_available
1178     exp2
1179     exp2f
1180     fast_64bit
1181     fast_clz
1182     fast_cmov
1183     fcntl
1184     fork
1185     getaddrinfo
1186     gethrtime
1187     GetProcessAffinityMask
1188     GetProcessMemoryInfo
1189     GetProcessTimes
1190     getrusage
1191     gnu_as
1192     ibm_asm
1193     inet_aton
1194     inline_asm
1195     isatty
1196     kbhit
1197     ldbrx
1198     libdc1394_1
1199     libdc1394_2
1200     llrint
1201     llrintf
1202     local_aligned_16
1203     local_aligned_8
1204     localtime_r
1205     log2
1206     log2f
1207     loongson
1208     lrint
1209     lrintf
1210     lzo1x_999_compress
1211     machine_ioctl_bt848_h
1212     machine_ioctl_meteor_h
1213     makeinfo
1214     malloc_h
1215     MapViewOfFile
1216     memalign
1217     mkstemp
1218     mmap
1219     PeekNamedPipe
1220     poll_h
1221     posix_memalign
1222     round
1223     roundf
1224     sched_getaffinity
1225     sdl
1226     sdl_video_size
1227     setmode
1228     setrlimit
1229     sndio_h
1230     socklen_t
1231     soundcard_h
1232     strerror_r
1233     strptime
1234     struct_addrinfo
1235     struct_ipv6_mreq
1236     struct_rusage_ru_maxrss
1237     struct_sockaddr_in6
1238     struct_sockaddr_sa_len
1239     struct_sockaddr_storage
1240     struct_v4l2_frmivalenum_discrete
1241     symver
1242     symver_asm_label
1243     symver_gnu_asm
1244     sysconf
1245     sysctl
1246     sys_mman_h
1247     sys_param_h
1248     sys_resource_h
1249     sys_select_h
1250     sys_soundcard_h
1251     sys_videoio_h
1252     termios_h
1253     threads
1254     trunc
1255     truncf
1256     vfp_args
1257     VirtualAlloc
1258     winsock2_h
1259     xform_asm
1260     xmm_clobbers
1261     yasm
1262 "
1263
1264 # options emitted with CONFIG_ prefix but not available on command line
1265 CONFIG_EXTRA="
1266     avutil
1267     gplv3
1268     lgplv3
1269 "
1270
1271 CMDLINE_SELECT="
1272     $ARCH_EXT_LIST
1273     $CONFIG_LIST
1274     $THREADS_LIST
1275     asm
1276     coverage
1277     cross_compile
1278     debug
1279     extra_warnings
1280     logging
1281     optimizations
1282     stripping
1283     symver
1284     yasm
1285 "
1286
1287 PATHS_LIST='
1288     bindir
1289     datadir
1290     incdir
1291     libdir
1292     mandir
1293     prefix
1294     shlibdir
1295 '
1296
1297 CMDLINE_SET="
1298     $PATHS_LIST
1299     ar
1300     arch
1301     as
1302     build_suffix
1303     cc
1304     cpu
1305     cross_prefix
1306     cxx
1307     dep_cc
1308     extra_version
1309     host_cc
1310     host_cflags
1311     host_ldflags
1312     host_libs
1313     host_os
1314     install
1315     ld
1316     logfile
1317     malloc_prefix
1318     nm
1319     optflags
1320     pkg_config
1321     postproc_version
1322     progs_suffix
1323     samples
1324     strip
1325     sysinclude
1326     sysroot
1327     target_exec
1328     target_os
1329     target_path
1330     valgrind
1331     yasmexe
1332 "
1333
1334 CMDLINE_APPEND="
1335     extra_cflags
1336     extra_cxxflags
1337 "
1338
1339 # code dependency declarations
1340
1341 # architecture extensions
1342
1343 armv5te_deps="arm"
1344 armv6_deps="arm"
1345 armv6t2_deps="arm"
1346 armvfp_deps="arm"
1347 iwmmxt_deps="arm"
1348 neon_deps="arm"
1349 vfpv3_deps="armvfp"
1350
1351 mmi_deps="mips"
1352
1353 altivec_deps="ppc"
1354 ppc4xx_deps="ppc"
1355
1356 vis_deps="sparc"
1357
1358 x86_64_suggest="cmov fast_cmov"
1359 amd3dnow_deps="mmx"
1360 amd3dnowext_deps="amd3dnow"
1361 mmx_deps="x86"
1362 mmx2_deps="mmx"
1363 sse_deps="mmx"
1364 ssse3_deps="sse"
1365 avx_deps="ssse3"
1366
1367 aligned_stack_if_any="ppc x86"
1368 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1369 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1370 fast_unaligned_if_any="armv6 ppc x86"
1371
1372 inline_asm_deps="!tms470"
1373 need_memalign="altivec neon sse"
1374
1375 symver_if_any="symver_asm_label symver_gnu_asm"
1376
1377 # subsystems
1378 dct_select="rdft"
1379 mdct_select="fft"
1380 rdft_select="fft"
1381 mpegaudiodsp_select="dct"
1382
1383 # decoders / encoders / hardware accelerators
1384 aac_decoder_select="mdct sinewin"
1385 aac_encoder_select="mdct sinewin"
1386 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1387 ac3_decoder_select="mdct ac3dsp ac3_parser"
1388 ac3_encoder_select="mdct ac3dsp"
1389 ac3_fixed_encoder_select="mdct ac3dsp"
1390 alac_encoder_select="lpc"
1391 amrnb_decoder_select="lsp"
1392 amrwb_decoder_select="lsp"
1393 atrac1_decoder_select="mdct sinewin"
1394 atrac3_decoder_select="mdct"
1395 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1396 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1397 cavs_decoder_select="golomb"
1398 cook_decoder_select="mdct sinewin"
1399 cscd_decoder_suggest="zlib"
1400 dca_decoder_select="mdct"
1401 dnxhd_encoder_select="aandct"
1402 dxa_decoder_select="zlib"
1403 eac3_decoder_select="ac3_decoder"
1404 eac3_encoder_select="mdct ac3dsp"
1405 eamad_decoder_select="aandct"
1406 eatgq_decoder_select="aandct"
1407 eatqi_decoder_select="aandct"
1408 ffv1_decoder_select="golomb"
1409 flac_decoder_select="golomb"
1410 flac_encoder_select="golomb lpc"
1411 flashsv_decoder_select="zlib"
1412 flashsv_encoder_select="zlib"
1413 flashsv2_encoder_select="zlib"
1414 flashsv2_decoder_select="zlib"
1415 flv_decoder_select="h263_decoder"
1416 flv_encoder_select="h263_encoder"
1417 fraps_decoder_select="huffman"
1418 h261_encoder_select="aandct"
1419 h263_decoder_select="h263_parser"
1420 h263_encoder_select="aandct"
1421 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1422 h263i_decoder_select="h263_decoder"
1423 h263p_encoder_select="h263_encoder"
1424 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1425 h264_decoder_select="golomb h264chroma h264dsp h264pred"
1426 h264_dxva2_hwaccel_deps="dxva2api_h"
1427 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1428 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1429 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1430 h264_vda_hwaccel_select="vda h264_decoder"
1431 h264_vdpau_decoder_select="vdpau h264_decoder"
1432 imc_decoder_select="fft mdct sinewin"
1433 jpegls_decoder_select="golomb"
1434 jpegls_encoder_select="golomb"
1435 ljpeg_encoder_select="aandct"
1436 loco_decoder_select="golomb"
1437 mjpeg_encoder_select="aandct"
1438 mlp_decoder_select="mlp_parser"
1439 mp1_decoder_select="mpegaudiodsp"
1440 mp1float_decoder_select="mpegaudiodsp"
1441 mp2_decoder_select="mpegaudiodsp"
1442 mp2float_decoder_select="mpegaudiodsp"
1443 mp3_decoder_select="mpegaudiodsp"
1444 mp3adu_decoder_select="mpegaudiodsp"
1445 mp3adufloat_decoder_select="mpegaudiodsp"
1446 mp3float_decoder_select="mpegaudiodsp"
1447 mp3on4_decoder_select="mpegaudiodsp"
1448 mp3on4float_decoder_select="mpegaudiodsp"
1449 mpc7_decoder_select="mpegaudiodsp"
1450 mpc8_decoder_select="mpegaudiodsp"
1451 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1452 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1453 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1454 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1455 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1456 mpeg1video_encoder_select="aandct"
1457 mpeg2_crystalhd_decoder_select="crystalhd"
1458 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1459 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1460 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1461 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1462 mpeg2video_encoder_select="aandct"
1463 mpeg4_crystalhd_decoder_select="crystalhd"
1464 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1465 mpeg4_encoder_select="h263_encoder"
1466 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1467 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1468 msmpeg4_crystalhd_decoder_select="crystalhd"
1469 msmpeg4v1_decoder_select="h263_decoder"
1470 msmpeg4v1_encoder_select="h263_encoder"
1471 msmpeg4v2_decoder_select="h263_decoder"
1472 msmpeg4v2_encoder_select="h263_encoder"
1473 msmpeg4v3_decoder_select="h263_decoder"
1474 msmpeg4v3_encoder_select="h263_encoder"
1475 nellymoser_decoder_select="mdct sinewin"
1476 nellymoser_encoder_select="mdct sinewin"
1477 png_decoder_select="zlib"
1478 png_encoder_select="zlib"
1479 qcelp_decoder_select="lsp"
1480 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1481 ra_144_encoder_select="lpc"
1482 rv10_decoder_select="h263_decoder"
1483 rv10_encoder_select="h263_encoder"
1484 rv20_decoder_select="h263_decoder"
1485 rv20_encoder_select="h263_encoder"
1486 rv30_decoder_select="golomb h264chroma h264pred"
1487 rv40_decoder_select="golomb h264chroma h264pred"
1488 shorten_decoder_select="golomb"
1489 sipr_decoder_select="lsp"
1490 snow_decoder_select="dwt"
1491 snow_encoder_select="aandct dwt"
1492 sonic_decoder_select="golomb"
1493 sonic_encoder_select="golomb"
1494 sonic_ls_encoder_select="golomb"
1495 svq1_encoder_select="aandct"
1496 svq3_decoder_select="golomb h264chroma h264dsp h264pred"
1497 svq3_decoder_suggest="zlib"
1498 theora_decoder_select="vp3_decoder"
1499 tiff_decoder_suggest="zlib"
1500 tiff_encoder_suggest="zlib"
1501 truehd_decoder_select="mlp_decoder"
1502 tscc_decoder_select="zlib"
1503 twinvq_decoder_select="mdct lsp sinewin"
1504 vc1_crystalhd_decoder_select="crystalhd"
1505 vc1_decoder_select="h263_decoder h264chroma"
1506 vc1_dxva2_hwaccel_deps="dxva2api_h"
1507 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1508 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1509 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1510 vc1image_decoder_select="vc1_decoder"
1511 vorbis_decoder_select="mdct"
1512 vorbis_encoder_select="mdct"
1513 vp6_decoder_select="huffman"
1514 vp6a_decoder_select="vp6_decoder"
1515 vp6f_decoder_select="vp6_decoder"
1516 vp8_decoder_select="h264pred"
1517 wmapro_decoder_select="mdct sinewin"
1518 wmav1_decoder_select="mdct sinewin"
1519 wmav1_encoder_select="mdct sinewin"
1520 wmav2_decoder_select="mdct sinewin"
1521 wmav2_encoder_select="mdct sinewin"
1522 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1523 wmv1_decoder_select="h263_decoder"
1524 wmv1_encoder_select="h263_encoder"
1525 wmv2_decoder_select="h263_decoder"
1526 wmv2_encoder_select="h263_encoder"
1527 wmv3_decoder_select="vc1_decoder"
1528 wmv3_crystalhd_decoder_select="crystalhd"
1529 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1530 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1531 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1532 wmv3image_decoder_select="wmv3_decoder"
1533 zlib_decoder_select="zlib"
1534 zlib_encoder_select="zlib"
1535 zmbv_decoder_select="zlib"
1536 zmbv_encoder_select="zlib"
1537
1538 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1539 vaapi_deps="va_va_h"
1540 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1541 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1542
1543 # parsers
1544 h264_parser_select="golomb h264chroma h264dsp h264pred"
1545
1546 # external libraries
1547 libaacplus_encoder_deps="libaacplus"
1548 libcelt_decoder_deps="libcelt"
1549 libdirac_decoder_deps="libdirac !libschroedinger"
1550 libfaac_encoder_deps="libfaac"
1551 libgsm_decoder_deps="libgsm"
1552 libgsm_encoder_deps="libgsm"
1553 libgsm_ms_decoder_deps="libgsm"
1554 libgsm_ms_encoder_deps="libgsm"
1555 libmodplug_demuxer_deps="libmodplug"
1556 libmp3lame_encoder_deps="libmp3lame"
1557 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1558 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1559 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1560 libopenjpeg_decoder_deps="libopenjpeg"
1561 libopenjpeg_encoder_deps="libopenjpeg"
1562 libschroedinger_decoder_deps="libschroedinger"
1563 libschroedinger_encoder_deps="libschroedinger"
1564 libspeex_decoder_deps="libspeex"
1565 libspeex_encoder_deps="libspeex"
1566 libstagefright_h264_decoder_deps="libstagefright_h264"
1567 libtheora_encoder_deps="libtheora"
1568 libvo_aacenc_encoder_deps="libvo_aacenc"
1569 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1570 libvorbis_encoder_deps="libvorbis"
1571 libvpx_decoder_deps="libvpx"
1572 libvpx_encoder_deps="libvpx"
1573 libx264_encoder_deps="libx264"
1574 libx264rgb_encoder_deps="libx264"
1575 libxavs_encoder_deps="libxavs"
1576 libxvid_encoder_deps="libxvid"
1577 libutvideo_decoder_deps="libutvideo"
1578 libutvideo_encoder_deps="libutvideo"
1579
1580 # demuxers / muxers
1581 ac3_demuxer_select="ac3_parser"
1582 asf_stream_muxer_select="asf_muxer"
1583 avisynth_demuxer_deps="avisynth"
1584 dirac_demuxer_select="dirac_parser"
1585 eac3_demuxer_select="ac3_parser"
1586 flac_demuxer_select="flac_parser"
1587 ipod_muxer_select="mov_muxer"
1588 libnut_demuxer_deps="libnut"
1589 libnut_muxer_deps="libnut"
1590 matroska_audio_muxer_select="matroska_muxer"
1591 matroska_demuxer_suggest="zlib bzlib"
1592 mov_demuxer_suggest="zlib"
1593 mp3_demuxer_select="mpegaudio_parser"
1594 mp4_muxer_select="mov_muxer"
1595 mpegtsraw_demuxer_select="mpegts_demuxer"
1596 mxf_d10_muxer_select="mxf_muxer"
1597 ogg_demuxer_select="golomb"
1598 psp_muxer_select="mov_muxer"
1599 rtp_demuxer_select="sdp_demuxer"
1600 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1601 rtsp_demuxer_select="http_protocol rtpdec"
1602 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1603 sap_demuxer_select="sdp_demuxer"
1604 sap_muxer_select="rtp_muxer rtp_protocol"
1605 sdp_demuxer_select="rtpdec"
1606 spdif_muxer_select="aac_parser"
1607 tg2_muxer_select="mov_muxer"
1608 tgp_muxer_select="mov_muxer"
1609 w64_demuxer_deps="wav_demuxer"
1610
1611 # indevs / outdevs
1612 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1613 alsa_outdev_deps="alsa_asoundlib_h"
1614 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1615 dshow_indev_deps="IBaseFilter"
1616 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1617 dv1394_indev_deps="dv1394 dv_demuxer"
1618 fbdev_indev_deps="linux_fb_h"
1619 jack_indev_deps="jack_jack_h sem_timedwait"
1620 lavfi_indev_deps="avfilter"
1621 libcdio_indev_deps="libcdio"
1622 libdc1394_indev_deps="libdc1394"
1623 libv4l2_indev_deps="libv4l2"
1624 openal_indev_deps="openal"
1625 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1626 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1627 pulse_indev_deps="libpulse"
1628 sdl_outdev_deps="sdl"
1629 sndio_indev_deps="sndio_h"
1630 sndio_outdev_deps="sndio_h"
1631 v4l_indev_deps="linux_videodev_h"
1632 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1633 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1634 vfwcap_indev_extralibs="-lavicap32"
1635 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1636 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1637
1638 # protocols
1639 bluray_protocol_deps="libbluray"
1640 gopher_protocol_deps="network"
1641 httpproxy_protocol_deps="network"
1642 httpproxy_protocol_select="tcp_protocol"
1643 http_protocol_deps="network"
1644 http_protocol_select="tcp_protocol"
1645 https_protocol_select="tls_protocol"
1646 librtmp_protocol_deps="librtmp"
1647 librtmpe_protocol_deps="librtmp"
1648 librtmps_protocol_deps="librtmp"
1649 librtmpt_protocol_deps="librtmp"
1650 librtmpte_protocol_deps="librtmp"
1651 mmsh_protocol_select="http_protocol"
1652 mmst_protocol_deps="network"
1653 rtmp_protocol_deps="!librtmp_protocol"
1654 rtmp_protocol_select="tcp_protocol"
1655 rtp_protocol_select="udp_protocol"
1656 tcp_protocol_deps="network"
1657 tls_protocol_deps_any="openssl gnutls"
1658 tls_protocol_select="tcp_protocol"
1659 udp_protocol_deps="network"
1660
1661 # filters
1662 aconvert_filter_deps="swresample"
1663 amovie_filter_deps="avcodec avformat"
1664 aresample_filter_deps="swresample"
1665 ass_filter_deps="libass"
1666 blackframe_filter_deps="gpl"
1667 boxblur_filter_deps="gpl"
1668 cropdetect_filter_deps="gpl"
1669 delogo_filter_deps="gpl"
1670 drawtext_filter_deps="libfreetype"
1671 frei0r_filter_deps="frei0r dlopen"
1672 frei0r_src_filter_deps="frei0r dlopen"
1673 hqdn3d_filter_deps="gpl"
1674 movie_filter_deps="avcodec avformat"
1675 mp_filter_deps="gpl avcodec swscale postproc"
1676 mptestsrc_filter_deps="gpl"
1677 negate_filter_deps="lut_filter"
1678 ocv_filter_deps="libopencv"
1679 pan_filter_deps="swresample"
1680 scale_filter_deps="swscale"
1681 tinterlace_filter_deps="gpl"
1682 yadif_filter_deps="gpl"
1683
1684 # libraries
1685 avdevice_deps="avcodec avformat"
1686 avformat_deps="avcodec"
1687 postproc_deps="gpl"
1688
1689 # programs
1690 ffplay_deps="avcodec avformat swscale swresample sdl"
1691 ffplay_select="buffersink_filter rdft"
1692 ffprobe_deps="avcodec avformat"
1693 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1694 ffserver_extralibs='$ldl'
1695 ffmpeg_deps="avcodec avformat swscale swresample"
1696 ffmpeg_select="buffersink_filter"
1697
1698 doc_deps="texi2html"
1699
1700 # tests
1701
1702 test_deps(){
1703     suf1=$1
1704     suf2=$2
1705     shift 2
1706     for v; do
1707         dep=${v%=*}
1708         tests=${v#*=}
1709         for name in ${tests}; do
1710             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1711         done
1712     done
1713 }
1714
1715 mxf_d10_test_deps="avfilter"
1716 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1717
1718 test_deps _encoder _decoder                                             \
1719     adpcm_ima_qt                                                        \
1720     adpcm_ima_wav                                                       \
1721     adpcm_ms                                                            \
1722     adpcm_swf                                                           \
1723     adpcm_yamaha=adpcm_yam                                              \
1724     alac                                                                \
1725     asv1                                                                \
1726     asv2                                                                \
1727     bmp                                                                 \
1728     dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1729     dvvideo="dv dv_411 dv50"                                            \
1730     ffv1                                                                \
1731     flac                                                                \
1732     flashsv                                                             \
1733     flv                                                                 \
1734     adpcm_g726=g726                                                     \
1735     gif                                                                 \
1736     h261                                                                \
1737     h263="h263 h263p"                                                   \
1738     huffyuv                                                             \
1739     jpegls                                                              \
1740     mjpeg="jpg mjpeg ljpeg"                                             \
1741     mp2                                                                 \
1742     mpeg1video="mpeg mpeg1b"                                            \
1743     mpeg2video="mpeg2 mpeg2_422 mpeg2_idct_int mpeg2_ilace mpeg2_ivlc_qprd" \
1744     mpeg2video="mpeg2thread mpeg2thread_ilace"                          \
1745     mpeg4="mpeg4 mpeg4_adap mpeg4_qpel mpeg4_qprd mpeg4adv mpeg4nr"     \
1746     mpeg4="mpeg4thread error rc"                                        \
1747     msmpeg4v3=msmpeg4                                                   \
1748     msmpeg4v2                                                           \
1749     pbm=pbmpipe                                                         \
1750     pcx                                                                 \
1751     pgm="pgm pgmpipe"                                                   \
1752     png                                                                 \
1753     ppm="ppm ppmpipe"                                                   \
1754     rawvideo="rgb yuv"                                                  \
1755     roq                                                                 \
1756     rv10                                                                \
1757     rv20                                                                \
1758     sgi                                                                 \
1759     snow="snow snowll"                                                  \
1760     svq1                                                                \
1761     targa=tga                                                           \
1762     tiff                                                                \
1763     wmav1                                                               \
1764     wmav2                                                               \
1765     wmv1                                                                \
1766     wmv2                                                                \
1767
1768 test_deps _muxer _demuxer                                               \
1769     aiff                                                                \
1770     pcm_alaw=alaw                                                       \
1771     asf                                                                 \
1772     au                                                                  \
1773     avi                                                                 \
1774     dv=dv_fmt                                                           \
1775     ffm                                                                 \
1776     flv=flv_fmt                                                         \
1777     gxf                                                                 \
1778     matroska=mkv                                                        \
1779     mmf                                                                 \
1780     mov="mov ismv"                                                      \
1781     pcm_mulaw=mulaw                                                     \
1782     mxf="mxf mxf_d10"                                                   \
1783     nut                                                                 \
1784     ogg="ogg ogg_vp3"                                                   \
1785     rawvideo=pixfmt                                                     \
1786     rm                                                                  \
1787     swf                                                                 \
1788     mpegts=ts                                                           \
1789     voc                                                                 \
1790     wav                                                                 \
1791     yuv4mpegpipe=yuv4mpeg                                               \
1792
1793 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder"
1794 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1795
1796 # default parameters
1797
1798 logfile="config.log"
1799
1800 # installation paths
1801 prefix_default="/usr/local"
1802 bindir_default='${prefix}/bin'
1803 datadir_default='${prefix}/share/ffmpeg'
1804 incdir_default='${prefix}/include'
1805 libdir_default='${prefix}/lib'
1806 mandir_default='${prefix}/share/man'
1807 shlibdir_default="$libdir_default"
1808 postproc_version_default="current"
1809
1810 # toolchain
1811 ar_default="ar"
1812 cc_default="gcc"
1813 cxx_default="g++"
1814 cc_version=\"unknown\"
1815 host_cc_default="gcc"
1816 install="install"
1817 ln_s="ln -sf"
1818 nm_default="nm"
1819 objformat="elf"
1820 pkg_config_default=pkg-config
1821 ranlib="ranlib"
1822 strip_default="strip"
1823 yasmexe_default="yasm"
1824
1825 nm_opts='-g'
1826 nogas=":"
1827
1828 # machine
1829 arch_default=$(uname -m)
1830 cpu="generic"
1831
1832 # OS
1833 target_os_default=$(tolower $(uname -s))
1834 host_os=$target_os_default
1835
1836 # alternative libpostproc version
1837 ALT_PP_VER_MAJOR=51
1838 ALT_PP_VER_MINOR=2
1839 ALT_PP_VER_MICRO=101
1840 ALT_PP_VER=$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO
1841
1842 # configurable options
1843 enable $PROGRAM_LIST
1844
1845 enable avcodec
1846 enable avdevice
1847 enable avfilter
1848 enable avformat
1849 enable avutil
1850 enable postproc
1851 enable stripping
1852 enable swresample
1853 enable swscale
1854
1855 enable asm
1856 enable debug
1857 enable doc
1858 enable fastdiv
1859 enable network
1860 enable optimizations
1861 enable safe_bitstream_reader
1862 enable static
1863 enable swscale_alpha
1864
1865 # build settings
1866 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1867 FFSERVERLDFLAGS=-Wl,-E
1868 LIBPREF="lib"
1869 LIBSUF=".a"
1870 FULLNAME='$(NAME)$(BUILDSUF)'
1871 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1872 SLIBPREF="lib"
1873 SLIBSUF=".so"
1874 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1875 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1876 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1877 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1878 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1879 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1880
1881 AS_O='-o $@'
1882 CC_O='-o $@'
1883 CXX_O='-o $@'
1884
1885 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1886 host_libs='-lm'
1887
1888 target_path='$(CURDIR)'
1889
1890 # since the object filename is not given with the -MM flag, the compiler
1891 # is only able to print the basename, and we must add the path ourselves
1892 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1893 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1894
1895 # find source path
1896 if test -f configure; then
1897     source_path=.
1898 else
1899     source_path=$(cd $(dirname "$0"); pwd)
1900     echo "$source_path" | grep -q '[[:blank:]]' &&
1901         die "Out of tree builds are impossible with whitespace in source path."
1902     test -e "$source_path/config.h" &&
1903         die "Out of tree builds are impossible with config.h in source dir."
1904 fi
1905
1906 for v in "$@"; do
1907     r=${v#*=}
1908     l=${v%"$r"}
1909     r=$(sh_quote "$r")
1910     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1911 done
1912
1913 find_things(){
1914     thing=$1
1915     pattern=$2
1916     file=$source_path/$3
1917     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1918 }
1919
1920 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1921 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1922 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1923 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1924 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1925 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1926 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1927 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1928 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1929 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1930 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1931
1932 ALL_COMPONENTS="
1933     $BSF_LIST
1934     $DECODER_LIST
1935     $DEMUXER_LIST
1936     $ENCODER_LIST
1937     $FILTER_LIST
1938     $HWACCEL_LIST
1939     $INDEV_LIST
1940     $MUXER_LIST
1941     $OUTDEV_LIST
1942     $PARSER_LIST
1943     $PROTOCOL_LIST
1944 "
1945
1946 find_tests(){
1947     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1948 }
1949
1950 ACODEC_TESTS=$(find_tests acodec)
1951 VCODEC_TESTS=$(find_tests vsynth1)
1952 LAVF_FATE_TESTS=$(find_tests lavf-fate)
1953 LAVF_TESTS=$(find_tests lavf)
1954 LAVFI_TESTS=$(find_tests lavfi)
1955 SEEK_TESTS=$(find_tests seek seek_)
1956
1957 ALL_TESTS="$ACODEC_TESTS $VCODEC_TESTS $LAVF_FATE_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1958
1959 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1960
1961 for n in $COMPONENT_LIST; do
1962     v=$(toupper ${n%s})_LIST
1963     eval enable \$$v
1964     eval ${n}_if_any="\$$v"
1965 done
1966
1967 enable $ARCH_EXT_LIST $ALL_TESTS
1968
1969 die_unknown(){
1970     echo "Unknown option \"$1\"."
1971     echo "See $0 --help for available options."
1972     exit 1
1973 }
1974
1975 show_list() {
1976     suffix=_$1
1977     shift
1978     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1979     exit 0
1980 }
1981
1982 for opt do
1983     optval="${opt#*=}"
1984     case "$opt" in
1985     --extra-ldflags=*) add_ldflags $optval
1986     ;;
1987     --extra-libs=*) add_extralibs $optval
1988     ;;
1989     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1990     ;;
1991     --enable-debug=*) debuglevel="$optval"
1992     ;;
1993     --disable-everything)
1994     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1995     ;;
1996     --enable-*=*|--disable-*=*)
1997     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1998     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1999     eval list=\$$(toupper $thing)_LIST
2000     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2001     $action $(filter "$name" $list)
2002     ;;
2003     --enable-?*|--disable-?*)
2004     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2005     if is_in $option $COMPONENT_LIST; then
2006         test $action = disable && action=unset
2007         eval $action \$$(toupper ${option%s})_LIST
2008     elif is_in $option $CMDLINE_SELECT; then
2009         $action $option
2010     else
2011         die_unknown $opt
2012     fi
2013     ;;
2014     --list-*)
2015         NAME="${opt#--list-}"
2016         is_in $NAME $COMPONENT_LIST || die_unknown $opt
2017         NAME=${NAME%s}
2018         eval show_list $NAME \$$(toupper $NAME)_LIST
2019     ;;
2020     --help|-h) show_help
2021     ;;
2022     *)
2023     optname="${opt%%=*}"
2024     optname="${optname#--}"
2025     optname=$(echo "$optname" | sed 's/-/_/g')
2026     if is_in $optname $CMDLINE_SET; then
2027         eval $optname='$optval'
2028     elif is_in $optname $CMDLINE_APPEND; then
2029         append $optname "$optval"
2030     else
2031          die_unknown $opt
2032     fi
2033     ;;
2034     esac
2035 done
2036
2037 disabled logging && logfile=/dev/null
2038
2039 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2040 set >> $logfile
2041
2042 test -n "$cross_prefix" && enable cross_compile
2043
2044 if enabled cross_compile; then
2045     test -n "$arch" && test -n "$target_os" ||
2046         die "Must specify target arch and OS when cross-compiling"
2047 fi
2048
2049 set_default arch target_os postproc_version
2050
2051 # Check if we should build alternative libpostproc version instead of current
2052 if   test "$postproc_version" = $ALT_PP_VER; then
2053   LIBPOSTPROC_VERSION=$ALT_PP_VER
2054   LIBPOSTPROC_VERSION_MAJOR=$ALT_PP_VER_MAJOR
2055   LIBPOSTPROC_VERSION_MINOR=$ALT_PP_VER_MINOR
2056   LIBPOSTPROC_VERSION_MICRO=$ALT_PP_VER_MICRO
2057 elif test "$postproc_version" != current; then
2058   die "Invalid argument to --postproc-version. See --help output."
2059 fi
2060
2061 ar_default="${cross_prefix}${ar_default}"
2062 cc_default="${cross_prefix}${cc_default}"
2063 cxx_default="${cross_prefix}${cxx_default}"
2064 nm_default="${cross_prefix}${nm_default}"
2065 pkg_config_default="${cross_prefix}${pkg_config_default}"
2066 ranlib="${cross_prefix}${ranlib}"
2067 strip_default="${cross_prefix}${strip_default}"
2068
2069 sysinclude_default="${sysroot}/usr/include"
2070
2071 set_default cc cxx nm pkg_config strip sysinclude yasmexe
2072 enabled cross_compile || host_cc_default=$cc
2073 set_default host_cc
2074
2075 if ! $pkg_config --version >/dev/null 2>&1; then
2076     warn "$pkg_config not found, library detection may fail."
2077     pkg_config=false
2078 fi
2079
2080 exesuf() {
2081     case $1 in
2082         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2083     esac
2084 }
2085
2086 EXESUF=$(exesuf $target_os)
2087 HOSTEXESUF=$(exesuf $host_os)
2088
2089 # set temporary file name
2090 : ${TMPDIR:=$TEMPDIR}
2091 : ${TMPDIR:=$TMP}
2092 : ${TMPDIR:=/tmp}
2093
2094 if ! check_cmd mktemp -u XXXXXX; then
2095     # simple replacement for missing mktemp
2096     # NOT SAFE FOR GENERAL USE
2097     mktemp(){
2098         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2099     }
2100 fi
2101
2102 tmpfile(){
2103     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2104         (set -C; exec > $tmp) 2>/dev/null ||
2105         die "Unable to create temporary file in $TMPDIR."
2106     append TMPFILES $tmp
2107     eval $1=$tmp
2108 }
2109
2110 trap 'rm -f -- $TMPFILES' EXIT
2111
2112 tmpfile TMPASM .asm
2113 tmpfile TMPC   .c
2114 tmpfile TMPCPP .cpp
2115 tmpfile TMPE   $EXESUF
2116 tmpfile TMPH   .h
2117 tmpfile TMPO   .o
2118 tmpfile TMPS   .S
2119 tmpfile TMPSH  .sh
2120 tmpfile TMPV   .ver
2121
2122 unset -f mktemp
2123
2124 chmod +x $TMPE
2125
2126 # make sure we can execute files in $TMPDIR
2127 cat > $TMPSH 2>> $logfile <<EOF
2128 #! /bin/sh
2129 EOF
2130 chmod +x $TMPSH >> $logfile 2>&1
2131 if ! $TMPSH >> $logfile 2>&1; then
2132     cat <<EOF
2133 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2134 variable to another directory and make sure that it is not mounted noexec.
2135 EOF
2136     die "Sanity test failed."
2137 fi
2138
2139 filter_asflags=echo
2140 filter_cflags=echo
2141 filter_cppflags=echo
2142
2143 if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2144     cc_type=llvm_gcc
2145     cc_version=__VERSION__
2146     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
2147     cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
2148     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2149     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2150     speed_cflags='-O3'
2151     size_cflags='-Os'
2152 elif $cc -v 2>&1 | grep -qi ^gcc; then
2153     cc_type=gcc
2154     cc_version=__VERSION__
2155     gcc_version=$($cc --version | head -n1)
2156     gcc_basever=$($cc -dumpversion)
2157     gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2158     gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2159     cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2160     if ! $cc -dumpversion | grep -q '^2\.'; then
2161         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2162         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2163     fi
2164     speed_cflags='-O3'
2165     size_cflags='-Os'
2166 elif $cc --version 2>/dev/null | grep -q Intel; then
2167     cc_type=icc
2168     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
2169     cc_ident=$($cc --version | head -n1)
2170     icc_version=$($cc -dumpversion)
2171     CC_DEPFLAGS='-MMD'
2172     AS_DEPFLAGS='-MMD'
2173     speed_cflags='-O3'
2174     size_cflags='-Os'
2175     noopt_cflags='-O1'
2176 elif $cc -v 2>&1 | grep -q xlc; then
2177     cc_type=xlc
2178     cc_version="AV_STRINGIFY(__IBMC__)"
2179     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2180     speed_cflags='-O5'
2181     size_cflags='-O5 -qcompact'
2182 elif $cc -V 2>/dev/null | grep -q Compaq; then
2183     cc_type=ccc
2184     cc_version="AV_STRINGIFY(__DECC_VER)"
2185     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2186     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2187     debuglevel=3
2188     add_ldflags -Wl,-z,now # calls to libots crash without this
2189     speed_cflags='-fast'
2190     size_cflags='-O1'
2191 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2192     test -d "$sysroot" || die "No valid sysroot specified."
2193     cc_type=armcc
2194     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2195     cc_ident=$($cc --vsn | head -n1)
2196     armcc_conf="$PWD/armcc.conf"
2197     $cc --arm_linux_configure                 \
2198         --arm_linux_config_file="$armcc_conf" \
2199         --configure_sysroot="$sysroot"        \
2200         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2201         die "Error creating armcc configuration file."
2202     $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2203     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2204     as_default="${cross_prefix}gcc"
2205     CC_DEPFLAGS='-MMD'
2206     AS_DEPFLAGS='-MMD'
2207     speed_cflags='-O3'
2208     size_cflags='-Os'
2209     filter_asflags="filter_out -W${armcc_opt}*"
2210 elif $cc -version 2>/dev/null | grep -q TMS470; then
2211     cc_type=tms470
2212     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2213     cc_ident=$($cc -version | head -n1 | tr -s ' ')
2214     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2215     CC_O='-fr=$(@D)'
2216     as_default="${cross_prefix}gcc"
2217     ld_default="${cross_prefix}gcc"
2218     TMPO=$(basename $TMPC .c).o
2219     append TMPFILES $TMPO
2220     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2221     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2222     AS_DEPFLAGS='-MMD'
2223     speed_cflags='-O3 -mf=5'
2224     size_cflags='-O3 -mf=2'
2225     filter_cflags=tms470_flags
2226     tms470_flags(){
2227         for flag; do
2228             case $flag in
2229                 -march=*|-mcpu=*)
2230                     case "${flag#*=}" in
2231                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
2232                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
2233                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
2234                         armv6*|arm11*)          echo -mv=6   ;;
2235                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2236                                                 echo -mv=5e  ;;
2237                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2238                     esac
2239                     ;;
2240                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2241                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
2242                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2243                 -msoft-float)   echo --float_support=vfplib       ;;
2244                 -O[0-3]|-mf=*)  echo $flag                        ;;
2245                 -g)             echo -g -mn                       ;;
2246                 -pds=*)         echo $flag                        ;;
2247             esac
2248         done
2249     }
2250 elif $cc -v 2>&1 | grep -q clang; then
2251     cc_type=clang
2252     $cc -dM -E $TMPC | grep -q __clang_version__ &&
2253         cc_version=__clang_version__ || cc_version=__VERSION__
2254     cc_ident=$($cc --version | head -n1)
2255     CC_DEPFLAGS='-MMD'
2256     AS_DEPFLAGS='-MMD'
2257     speed_cflags='-O3'
2258     size_cflags='-Os'
2259 elif $cc -V 2>&1 | grep -q Sun; then
2260     cc_type=suncc
2261     cc_version="AV_STRINGIFY(__SUNPRO_C)"
2262     cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2263     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2264     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2265     add_ldflags -xc99
2266     speed_cflags='-O5'
2267     size_cflags='-O5 -xspace'
2268     filter_cflags=suncc_flags
2269     suncc_flags(){
2270         for flag; do
2271             case $flag in
2272                 -march=*|-mcpu=*)
2273                     case "${flag#*=}" in
2274                         native)                   echo -xtarget=native       ;;
2275                         v9|niagara)               echo -xarch=sparc          ;;
2276                         ultrasparc)               echo -xarch=sparcvis       ;;
2277                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2278                         i586|pentium)             echo -xchip=pentium        ;;
2279                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2280                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2281                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2282                         pentium4*)          echo -xtarget=pentium4           ;;
2283                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2284                         *-sse3)             echo -xarch=sse3                 ;;
2285                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
2286                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2287                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2288                         k8|opteron|athlon64|athlon-fx)
2289                                                   echo -xarch=sse2a          ;;
2290                         athlon*)                  echo -xarch=pentium_proa   ;;
2291                     esac
2292                     ;;
2293                 -std=c99)             echo -xc99              ;;
2294                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
2295                 -fPIC)                echo -KPIC -xcode=pic32 ;;
2296                 -W*,*)                echo $flag              ;;
2297                 -f*-*|-W*)                                    ;;
2298                 *)                    echo $flag              ;;
2299             esac
2300         done
2301     }
2302 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2303     cc_type=pathscale
2304     cc_version=__PATHSCALE__
2305     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2306     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2307     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2308     speed_cflags='-O2'
2309     size_cflags='-Os'
2310     filter_cflags='filter_out -Wdisabled-optimization'
2311 elif $cc -v 2>&1 | grep -q Open64; then
2312     cc_type=open64
2313     cc_version=__OPEN64__
2314     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2315     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2316     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2317     speed_cflags='-O2'
2318     size_cflags='-Os'
2319     filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2320 fi
2321
2322 test -n "$cc_type" && enable $cc_type ||
2323     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2324
2325 : ${as_default:=$cc}
2326 : ${dep_cc_default:=$cc}
2327 : ${ld_default:=$cc}
2328 set_default ar as dep_cc ld
2329
2330 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2331 test -n "$CXX_DEPFLAGS" || CXXDEP=$DEPEND_CMD
2332 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2333
2334 add_cflags $extra_cflags
2335 add_cxxflags $extra_cxxflags
2336 add_asflags $extra_cflags
2337
2338 if test -n "$sysroot"; then
2339     case "$cc_type" in
2340         gcc|llvm_gcc|clang)
2341             add_cppflags --sysroot="$sysroot"
2342             add_ldflags --sysroot="$sysroot"
2343         ;;
2344         tms470)
2345             add_cppflags -I"$sysinclude"
2346             add_ldflags  --sysroot="$sysroot"
2347         ;;
2348     esac
2349 fi
2350
2351 if test "$cpu" = host; then
2352     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2353
2354     case "$cc_type" in
2355         gcc|llvm_gcc)
2356             check_native(){
2357                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2358                 sed -n "/cc1.*$1=/{
2359                             s/.*$1=\\([^ ]*\\).*/\\1/
2360                             p
2361                             q
2362                         }" $TMPE
2363             }
2364             cpu=$(check_native -march || check_native -mcpu)
2365         ;;
2366     esac
2367
2368     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2369 fi
2370
2371 # Deal with common $arch aliases
2372 case "$arch" in
2373     arm*|iPad*)
2374         arch="arm"
2375     ;;
2376     mips|mipsel|IP*)
2377         arch="mips"
2378     ;;
2379     mips64*)
2380         arch="mips"
2381         subarch="mips64"
2382     ;;
2383     parisc|hppa)
2384         arch="parisc"
2385     ;;
2386     parisc64|hppa64)
2387         arch="parisc"
2388         subarch="parisc64"
2389     ;;
2390     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2391         arch="ppc"
2392     ;;
2393     s390|s390x)
2394         arch="s390"
2395     ;;
2396     sh4|sh)
2397         arch="sh4"
2398     ;;
2399     sun4u|sparc64)
2400         arch="sparc"
2401         subarch="sparc64"
2402     ;;
2403     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2404         arch="x86"
2405     ;;
2406 esac
2407
2408 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2409 enable $arch
2410
2411 # Add processor-specific flags
2412 if test "$cpu" = generic; then
2413     : do nothing
2414 elif enabled ppc; then
2415
2416     case $(tolower $cpu) in
2417         601|ppc601|powerpc601)
2418             cpuflags="-mcpu=601"
2419             disable altivec
2420         ;;
2421         603*|ppc603*|powerpc603*)
2422             cpuflags="-mcpu=603"
2423             disable altivec
2424         ;;
2425         604*|ppc604*|powerpc604*)
2426             cpuflags="-mcpu=604"
2427             disable altivec
2428         ;;
2429         g3|75*|ppc75*|powerpc75*)
2430             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2431             disable altivec
2432         ;;
2433         g4|745*|ppc745*|powerpc745*)
2434             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2435         ;;
2436         74*|ppc74*|powerpc74*)
2437             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2438         ;;
2439         g5|970|ppc970|powerpc970|power4*)
2440             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2441         ;;
2442         cell)
2443             cpuflags="-mcpu=cell"
2444             enable ldbrx
2445         ;;
2446         e500v2)
2447             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2448             disable altivec
2449         ;;
2450         e500)
2451             cpuflags="-mcpu=8540 -mhard-float"
2452             disable altivec
2453         ;;
2454     esac
2455
2456 elif enabled x86; then
2457
2458     case $cpu in
2459         i[345]86|pentium)
2460             cpuflags="-march=$cpu"
2461             disable mmx
2462         ;;
2463         # targets that do NOT support conditional mov (cmov)
2464         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2465             cpuflags="-march=$cpu"
2466             disable cmov
2467         ;;
2468         # targets that do support conditional mov (cmov)
2469         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2470             cpuflags="-march=$cpu"
2471             enable cmov
2472             enable fast_cmov
2473         ;;
2474         # targets that do support conditional mov but on which it's slow
2475         pentium4|pentium4m|prescott|nocona)
2476             cpuflags="-march=$cpu"
2477             enable cmov
2478             disable fast_cmov
2479         ;;
2480     esac
2481
2482 elif enabled sparc; then
2483
2484     case $cpu in
2485         niagara)
2486             cpuflags="-mcpu=$cpu"
2487             disable vis
2488         ;;
2489         sparc64)
2490             cpuflags="-mcpu=v9"
2491         ;;
2492     esac
2493
2494 elif enabled arm; then
2495
2496     case $cpu in
2497         armv*)
2498             cpuflags="-march=$cpu"
2499             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2500         ;;
2501         *)
2502             cpuflags="-mcpu=$cpu"
2503             case $cpu in
2504                 cortex-a*)                               subarch=armv7a  ;;
2505                 cortex-r*)                               subarch=armv7r  ;;
2506                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2507                 arm11*)                                  subarch=armv6   ;;
2508                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2509                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2510             esac
2511         ;;
2512     esac
2513
2514 elif enabled alpha; then
2515
2516     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2517
2518 elif enabled bfin; then
2519
2520     cpuflags="-mcpu=$cpu"
2521
2522 elif enabled mips; then
2523
2524     cpuflags="-march=$cpu"
2525
2526 elif enabled avr32; then
2527
2528     case $cpu in
2529         ap7[02]0[0-2])
2530             subarch="avr32_ap"
2531             cpuflags="-mpart=$cpu"
2532         ;;
2533         ap)
2534             subarch="avr32_ap"
2535             cpuflags="-march=$cpu"
2536         ;;
2537         uc3[ab]*)
2538             subarch="avr32_uc"
2539             cpuflags="-mcpu=$cpu"
2540         ;;
2541         uc)
2542             subarch="avr32_uc"
2543             cpuflags="-march=$cpu"
2544         ;;
2545     esac
2546
2547 fi
2548
2549 add_cflags $cpuflags
2550 add_asflags $cpuflags
2551
2552 # compiler sanity check
2553 check_exec <<EOF
2554 int main(void){ return 0; }
2555 EOF
2556 if test "$?" != 0; then
2557     echo "$cc is unable to create an executable file."
2558     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2559         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2560         echo "Only do this if you know what cross compiling means."
2561     fi
2562     die "C compiler test failed."
2563 fi
2564
2565 add_cppflags -D_ISOC99_SOURCE
2566 add_cxxflags -D__STDC_CONSTANT_MACROS
2567 check_cflags -std=c99
2568 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2569 #include <stdlib.h>
2570 EOF
2571 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2572 #include <stdlib.h>
2573 EOF
2574
2575 check_host_cflags -std=c99
2576 check_host_cflags -Wall
2577
2578 case "$arch" in
2579     alpha|ia64|mips|parisc|sparc)
2580         spic=$shared
2581     ;;
2582     x86)
2583         subarch="x86_32"
2584         check_cc <<EOF && subarch="x86_64"
2585         int test[(int)sizeof(char*) - 7];
2586 EOF
2587         if test "$subarch" = "x86_64"; then
2588             spic=$shared
2589         fi
2590     ;;
2591     ppc)
2592         check_cc <<EOF && subarch="ppc64"
2593         int test[(int)sizeof(char*) - 7];
2594 EOF
2595     ;;
2596 esac
2597
2598 enable $subarch
2599 enabled spic && enable pic
2600
2601 # OS specific
2602 case $target_os in
2603     haiku)
2604         prefix_default="/boot/common"
2605         network_extralibs="-lnetwork"
2606         host_libs=
2607         ;;
2608     sunos)
2609         FFSERVERLDFLAGS=""
2610         SHFLAGS='-shared -Wl,-h,$$(@F)'
2611         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2612         network_extralibs="-lsocket -lnsl"
2613         add_cppflags -D__EXTENSIONS__
2614         # When using suncc to build, the Solaris linker will mark
2615         # an executable with each instruction set encountered by
2616         # the Solaris assembler.  As our libraries contain their own
2617         # guards for processor-specific code, instead suppress
2618         # generation of the HWCAPS ELF section on Solaris x86 only.
2619         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2620         nm_opts='-P -g'
2621         ;;
2622     netbsd)
2623         disable symver
2624         oss_indev_extralibs="-lossaudio"
2625         oss_outdev_extralibs="-lossaudio"
2626         ;;
2627     openbsd)
2628         enable malloc_aligned
2629         # On OpenBSD 4.5. the compiler does not use PIC unless
2630         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2631         # however the generated executable will not do anything
2632         # (simply quits with exit-code 1, no crash, no output).
2633         # Thus explicitly enable PIC here.
2634         enable pic
2635         disable symver
2636         SHFLAGS='-shared'
2637         oss_indev_extralibs="-lossaudio"
2638         oss_outdev_extralibs="-lossaudio"
2639         ;;
2640     dragonfly)
2641         enable malloc_aligned
2642         disable symver
2643         ;;
2644     freebsd)
2645         enable malloc_aligned
2646         ;;
2647     bsd/os)
2648         add_extralibs -lpoll -lgnugetopt
2649         strip="strip -d"
2650         ;;
2651     darwin)
2652         enable malloc_aligned
2653         gas="gas-preprocessor.pl $cc"
2654         enabled ppc && add_asflags -force_cpusubtype_ALL
2655         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2656         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2657         strip="${strip} -x"
2658         add_ldflags -Wl,-dynamic,-search_paths_first
2659         SLIBSUF=".dylib"
2660         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2661         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2662         FFSERVERLDFLAGS=-Wl,-bind_at_load
2663         objformat="macho"
2664         enabled x86_64 && objformat="macho64"
2665         enabled_any pic shared ||
2666             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2667         ;;
2668     mingw32*)
2669         if test $target_os = "mingw32ce"; then
2670             disable network
2671         else
2672             target_os=mingw32
2673         fi
2674         LIBTARGET=i386
2675         if enabled x86_64; then
2676             enable malloc_aligned
2677             LIBTARGET=x64
2678         elif enabled arm; then
2679             LIBTARGET=arm-wince
2680         fi
2681         shlibdir_default="$bindir_default"
2682         SLIBPREF=""
2683         SLIBSUF=".dll"
2684         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2685         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2686         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2687         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2688         SLIB_INSTALL_LINKS=
2689         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2690         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2691         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'
2692         objformat="win32"
2693         enable dos_paths
2694         check_cflags -fno-common
2695         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2696                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2697                 die "ERROR: MinGW runtime version must be >= 3.15."
2698         add_cppflags -U__STRICT_ANSI__
2699         ;;
2700     cygwin*)
2701         target_os=cygwin
2702         shlibdir_default="$bindir_default"
2703         SLIBPREF="cyg"
2704         SLIBSUF=".dll"
2705         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2706         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2707         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2708         objformat="win32"
2709         enable dos_paths
2710         check_cflags -fno-common
2711         add_cppflags -U__STRICT_ANSI__
2712         ;;
2713     *-dos|freedos|opendos)
2714         network_extralibs="-lsocket"
2715         objformat="coff"
2716         enable dos_paths
2717         add_cppflags -U__STRICT_ANSI__
2718         ;;
2719     linux)
2720         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2721         enable dv1394
2722         ;;
2723     irix*)
2724         target_os=irix
2725         ranlib="echo ignoring ranlib"
2726         ;;
2727     os/2*)
2728         strip="lxlite -CS"
2729         ln_s="cp -f"
2730         objformat="aout"
2731         add_cppflags -D_GNU_SOURCE
2732         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2733         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2734         FFSERVERLDFLAGS=""
2735         LIBSUF="_s.a"
2736         SLIBPREF=""
2737         SLIBSUF=".dll"
2738         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2739         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2740         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2741           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2742           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2743           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2744           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2745           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2746         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2747           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2748         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2749         enable dos_paths
2750         enable_weak os2threads
2751         ;;
2752     gnu/kfreebsd)
2753         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2754         ;;
2755     gnu)
2756         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2757         ;;
2758     qnx)
2759         add_cppflags -D_QNX_SOURCE
2760         network_extralibs="-lsocket"
2761         ;;
2762     symbian)
2763         SLIBSUF=".dll"
2764         enable dos_paths
2765         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2766         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2767         add_ldflags -Wl,--target1-abs,--no-undefined \
2768                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2769                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2770         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2771                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2772                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2773         ;;
2774     none)
2775         ;;
2776     *)
2777         die "Unknown OS '$target_os'."
2778         ;;
2779 esac
2780
2781 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2782
2783 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2784
2785 set_default $PATHS_LIST
2786
2787 # we need to build at least one lib type
2788 if ! enabled_any static shared; then
2789     cat <<EOF
2790 At least one library type must be built.
2791 Specify --enable-static to build the static libraries or --enable-shared to
2792 build the shared libraries as well. To only build the shared libraries specify
2793 --disable-static in addition to --enable-shared.
2794 EOF
2795     exit 1;
2796 fi
2797
2798 die_license_disabled() {
2799     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2800 }
2801
2802 die_license_disabled gpl libcdio
2803 die_license_disabled gpl libutvideo
2804 die_license_disabled gpl libx264
2805 die_license_disabled gpl libxavs
2806 die_license_disabled gpl libxvid
2807 die_license_disabled gpl x11grab
2808
2809 die_license_disabled nonfree libaacplus
2810 die_license_disabled nonfree libfaac
2811 die_license_disabled nonfree openssl
2812
2813 die_license_disabled version3 libopencore_amrnb
2814 die_license_disabled version3 libopencore_amrwb
2815 die_license_disabled version3 libvo_aacenc
2816 die_license_disabled version3 libvo_amrwbenc
2817
2818 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2819
2820 disabled optimizations || check_cflags -fomit-frame-pointer
2821
2822 enable_pic() {
2823     enable pic
2824     add_cppflags -DPIC
2825     add_cflags   -fPIC
2826     add_asflags  -fPIC
2827 }
2828
2829 enabled pic && enable_pic
2830
2831 check_cc <<EOF || die "Symbol mangling check failed."
2832 int ff_extern;
2833 EOF
2834 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2835 extern_prefix=${sym%%ff_extern*}
2836
2837 check_cc <<EOF && enable inline_asm
2838 void foo(void) { __asm__ volatile ("" ::); }
2839 EOF
2840
2841 _restrict=
2842 for restrict_keyword in restrict __restrict__ __restrict; do
2843     check_cc <<EOF && _restrict=$restrict_keyword && break
2844 void foo(char * $restrict_keyword p);
2845 EOF
2846 done
2847
2848 check_cc <<EOF && enable attribute_packed
2849 struct { int x; } __attribute__((packed)) x;
2850 EOF
2851
2852 check_cc <<EOF && enable attribute_may_alias
2853 union { int x; } __attribute__((may_alias)) x;
2854 EOF
2855
2856 check_cc <<EOF || die "endian test failed"
2857 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2858 EOF
2859 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2860
2861 if enabled alpha; then
2862
2863     check_cflags -mieee
2864
2865 elif enabled arm; then
2866
2867     enabled thumb && check_cflags -mthumb || check_cflags -marm
2868     nogas=die
2869
2870     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2871         enable vfp_args
2872     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2873         case "${cross_prefix:-$cc}" in
2874             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2875             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2876 __asm__ (".eabi_attribute 28, 1");
2877 int main(void) { return 0; }
2878 EOF
2879         esac
2880         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2881     fi
2882
2883     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2884     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2885     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2886     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2887     enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2888     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2889     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
2890
2891     check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2892
2893     enabled_all armv6t2 shared !pic && enable_pic
2894
2895 elif enabled mips; then
2896
2897     check_asm loongson '"dmult.g $1, $2, $3"'
2898     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2899
2900 elif enabled ppc; then
2901
2902     enable local_aligned_8 local_aligned_16
2903
2904     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2905     check_asm ibm_asm   '"add 0, 0, 0"'
2906     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2907     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2908
2909     # AltiVec flags: The FSF version of GCC differs from the Apple version
2910     if enabled altivec; then
2911         nogas=warn
2912         check_cflags -maltivec -mabi=altivec &&
2913         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2914         check_cflags -faltivec
2915
2916         # check if our compiler supports Motorola AltiVec C API
2917         check_cc <<EOF || disable altivec
2918 $inc_altivec_h
2919 int main(void) {
2920     vector signed int v1, v2, v3;
2921     v1 = vec_add(v2,v3);
2922     return 0;
2923 }
2924 EOF
2925
2926         # check if our compiler supports braces for vector declarations
2927         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2928 $inc_altivec_h
2929 int main (void) { (vector int) {1}; return 0; }
2930 EOF
2931     fi
2932
2933 elif enabled sparc; then
2934
2935     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2936         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2937
2938 elif enabled x86; then
2939
2940     enable local_aligned_8 local_aligned_16
2941
2942     # check whether EBP is available on x86
2943     # As 'i' is stored on the stack, this program will crash
2944     # if the base pointer is used to access it because the
2945     # base pointer is cleared in the inline assembly code.
2946     check_exec_crash <<EOF && enable ebp_available
2947     volatile int i=0;
2948     __asm__ volatile (
2949         "xorl %%ebp, %%ebp"
2950     ::: "%ebp");
2951     return i;
2952 EOF
2953
2954     # check whether EBX is available on x86
2955     check_asm ebx_available '""::"b"(0)' &&
2956         check_asm ebx_available '"":::"%ebx"'
2957
2958     # check whether xmm clobbers are supported
2959     check_asm xmm_clobbers '"":::"%xmm0"'
2960
2961     # check whether binutils is new enough to compile SSSE3/MMX2
2962     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2963     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2964
2965     if ! disabled_any asm mmx yasm; then
2966         if check_cmd $yasmexe --version; then
2967             enabled x86_64 && yasm_extra="-m amd64"
2968             yasm_debug="-g dwarf2"
2969         elif check_cmd nasm -v; then
2970             yasmexe=nasm
2971             yasm_debug="-g -F dwarf"
2972             enabled x86_64 && test "$objformat" = elf && objformat=elf64
2973         fi
2974
2975         YASMFLAGS="-f $objformat $yasm_extra"
2976         enabled pic               && append YASMFLAGS "-DPIC"
2977         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2978         case "$objformat" in
2979             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2980         esac
2981
2982         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2983             die "yasm not found, use --disable-yasm for a crippled build"
2984         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2985     fi
2986
2987     case "$cpu" in
2988         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2989             disable fast_clz
2990         ;;
2991     esac
2992
2993 fi
2994
2995 if enabled asm; then
2996     as=${gas:=$as}
2997     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2998         $nogas "GNU assembler not found, install gas-preprocessor"
2999 fi
3000
3001 check_ldflags -Wl,--as-needed
3002
3003 if check_func dlopen; then
3004     ldl=
3005 elif check_func dlopen -ldl; then
3006     ldl=-ldl
3007 fi
3008
3009 if enabled network; then
3010     check_type "sys/types.h sys/socket.h" socklen_t
3011     check_type netdb.h "struct addrinfo"
3012     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3013     check_type netinet/in.h "struct sockaddr_in6"
3014     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3015     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3016     # Prefer arpa/inet.h over winsock2
3017     if check_header arpa/inet.h ; then
3018         check_func closesocket
3019     elif check_header winsock2.h ; then
3020         check_func_headers winsock2.h closesocket -lws2 && \
3021             network_extralibs="-lws2" || \
3022         { check_func_headers winsock2.h closesocket -lws2_32 && \
3023             network_extralibs="-lws2_32"; }
3024         check_type ws2tcpip.h socklen_t
3025         check_type ws2tcpip.h "struct addrinfo"
3026         check_type ws2tcpip.h "struct ipv6_mreq"
3027         check_type ws2tcpip.h "struct sockaddr_in6"
3028         check_type ws2tcpip.h "struct sockaddr_storage"
3029         check_struct winsock2.h "struct sockaddr" sa_len
3030     else
3031         disable network
3032     fi
3033 fi
3034
3035 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3036 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3037
3038 check_func  fcntl
3039 check_func  fork
3040 check_func  getaddrinfo $network_extralibs
3041 check_func  gethrtime
3042 check_func  getrusage
3043 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3044 check_func  inet_aton $network_extralibs
3045 check_func  isatty
3046 check_func  localtime_r
3047 check_func  ${malloc_prefix}memalign            && enable memalign
3048 check_func  mkstemp
3049 check_func  mmap
3050 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
3051 check_func  setrlimit
3052 check_func  strerror_r
3053 check_func  strptime
3054 check_func  sched_getaffinity
3055 check_func  sysconf
3056 check_func  sysctl
3057 check_func_headers conio.h kbhit
3058 check_func_headers windows.h PeekNamedPipe
3059 check_func_headers io.h setmode
3060 check_func_headers lzo/lzo1x.h lzo1x_999_compress
3061 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3062 check_func_headers windows.h GetProcessAffinityMask
3063 check_func_headers windows.h GetProcessTimes
3064 check_func_headers windows.h MapViewOfFile
3065 check_func_headers windows.h VirtualAlloc
3066
3067 check_header dlfcn.h
3068 check_header dxva2api.h -D_WIN32_WINNT=0x0600
3069 check_header libcrystalhd/libcrystalhd_if.h
3070 check_header malloc.h
3071 check_header poll.h
3072 check_header sys/mman.h
3073 check_header sys/param.h
3074 check_header sys/resource.h
3075 check_header sys/select.h
3076 check_header termios.h
3077 check_header vdpau/vdpau.h
3078 check_header vdpau/vdpau_x11.h
3079 check_header X11/extensions/XvMClib.h
3080 check_header asm/types.h
3081
3082 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3083 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3084
3085 # check for VDA header
3086 if ! disabled vda; then
3087     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3088         enable vda
3089         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3090     fi
3091 fi
3092
3093 if ! disabled w32threads && ! enabled pthreads; then
3094     check_func _beginthreadex && enable w32threads
3095 fi
3096
3097 # check for some common methods of building with pthread support
3098 # do this before the optional library checks as some of them require pthreads
3099 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3100     enable pthreads
3101     if check_func pthread_create; then
3102         :
3103     elif check_func pthread_create -pthread; then
3104         add_cflags -pthread
3105         add_extralibs -pthread
3106     elif check_func pthread_create -pthreads; then
3107         add_cflags -pthreads
3108         add_extralibs -pthreads
3109     elif check_func pthread_create -lpthreadGC2; then
3110         add_extralibs -lpthreadGC2
3111     elif ! check_lib pthread.h pthread_create -lpthread; then
3112         disable pthreads
3113     fi
3114 fi
3115
3116 for thread in $THREADS_LIST; do
3117     if enabled $thread; then
3118         test -n "$thread_type" &&
3119             die "ERROR: Only one thread type must be selected." ||
3120             thread_type="$thread"
3121     fi
3122 done
3123
3124 check_lib math.h sin -lm && LIBM="-lm"
3125 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3126 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3127
3128 check_mathfunc cbrtf
3129 check_mathfunc exp2
3130 check_mathfunc exp2f
3131 check_mathfunc llrint
3132 check_mathfunc llrintf
3133 check_mathfunc log2
3134 check_mathfunc log2f
3135 check_mathfunc lrint
3136 check_mathfunc lrintf
3137 check_mathfunc round
3138 check_mathfunc roundf
3139 check_mathfunc trunc
3140 check_mathfunc truncf
3141
3142 # these are off by default, so fail if requested and not available
3143 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3144 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3145 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3146 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3147 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3148 enabled libbluray  && require libbluray libbluray/bluray.h bd_open -lbluray
3149 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0 &&
3150                       { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
3151                         die "ERROR: libcelt version must be >= 0.11.0."; }
3152 enabled libdirac   && require_pkg_config dirac                          \
3153     "libdirac_decoder/dirac_parser.h"  \
3154     "dirac_decoder_init"
3155 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3156 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3157 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3158 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3159 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3160 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3161 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3162 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3163 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3164 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3165 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3166 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3167 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3168 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3169 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3170     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3171     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder
3172 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3173 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3174 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3175 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3176 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3177 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3178 enabled libvpx     && {
3179     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3180                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3181     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
3182                                 die "ERROR: libvpx encoder version must be >=0.9.6"; } }
3183 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3184                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3185                         die "ERROR: libx264 version must be >= 0.118."; }
3186 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3187 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3188 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3189                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3190                         die "ERROR: openal not found"; } &&
3191                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3192                         die "ERROR: openal version must be 1.1 or compatible"; }
3193 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3194                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3195                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3196                         die "ERROR: openssl not found"; }
3197
3198 # libdc1394 check
3199 if enabled libdc1394; then
3200     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3201         enable libdc1394_2; } ||
3202     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3203         enable libdc1394_1; } ||
3204     die "ERROR: No version of libdc1394 found "
3205 fi
3206
3207 SDL_CONFIG="${cross_prefix}sdl-config"
3208 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
3209     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3210     enable sdl &&
3211     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3212 else
3213   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3214     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3215     sdl_libs=$("${SDL_CONFIG}" --libs)
3216     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3217     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3218     enable sdl &&
3219     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3220   fi
3221 fi
3222 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3223
3224 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3225 makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
3226
3227 check_header linux/fb.h
3228 check_header linux/videodev.h
3229 check_header linux/videodev2.h
3230 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3231
3232 check_header sys/videoio.h
3233
3234 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3235 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3236 # w32api 3.12 had it defined wrong
3237 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3238
3239 check_type "dshow.h" IBaseFilter
3240
3241 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3242 { check_header dev/bktr/ioctl_meteor.h &&
3243   check_header dev/bktr/ioctl_bt848.h; } ||
3244 { check_header machine/ioctl_meteor.h &&
3245   check_header machine/ioctl_bt848.h; } ||
3246 { check_header dev/video/meteor/ioctl_meteor.h &&
3247   check_header dev/video/bktr/ioctl_bt848.h; } ||
3248 check_header dev/ic/bt8xx.h
3249
3250 check_header sndio.h
3251 if check_struct sys/soundcard.h audio_buf_info bytes; then
3252     enable_safe sys/soundcard.h
3253 else
3254     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3255     #include <sys/soundcard.h>
3256     audio_buf_info abc;
3257 EOF
3258 fi
3259 check_header soundcard.h
3260
3261 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3262
3263 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait
3264
3265 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3266
3267 enabled libcdio &&
3268     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3269
3270 enabled x11grab                         &&
3271 check_header X11/Xlib.h                 &&
3272 check_header X11/extensions/XShm.h      &&
3273 check_header X11/extensions/Xfixes.h    &&
3274 check_func XOpenDisplay -lX11           &&
3275 check_func XShmCreateImage -lX11 -lXext &&
3276 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
3277
3278 if ! disabled vaapi; then
3279     check_lib va/va.h vaInitialize -lva && {
3280         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3281         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3282     } || disable vaapi
3283 fi
3284
3285 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3286 check_cpp_condition \
3287     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3288     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3289       disable vdpau; }
3290 fi
3291
3292 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3293 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3294 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"
3295
3296 # add some useful compiler flags if supported
3297 check_cflags -Wdeclaration-after-statement
3298 check_cflags -Wall
3299 check_cflags -Wno-parentheses
3300 check_cflags -Wno-switch
3301 check_cflags -Wno-format-zero-length
3302 check_cflags -Wdisabled-optimization
3303 check_cflags -Wpointer-arith
3304 check_cflags -Wredundant-decls
3305 check_cflags -Wno-pointer-sign
3306 check_cflags -Wcast-qual
3307 check_cflags -Wwrite-strings
3308 check_cflags -Wtype-limits
3309 check_cflags -Wundef
3310 check_cflags -Wmissing-prototypes
3311 check_cflags -Wno-pointer-to-int-cast
3312 check_cflags -Wstrict-prototypes
3313 enabled extra_warnings && check_cflags -Winline
3314
3315 # add some linker flags
3316 check_ldflags -Wl,--warn-common
3317 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3318 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3319
3320 enabled xmm_clobber_test &&                             \
3321     check_ldflags -Wl,--wrap,avcodec_open2              \
3322                   -Wl,--wrap,avcodec_decode_audio4      \
3323                   -Wl,--wrap,avcodec_decode_video2      \
3324                   -Wl,--wrap,avcodec_decode_subtitle2   \
3325                   -Wl,--wrap,avcodec_encode_audio2      \
3326                   -Wl,--wrap,avcodec_encode_video       \
3327                   -Wl,--wrap,avcodec_encode_subtitle    \
3328                   -Wl,--wrap,sws_scale ||               \
3329     disable xmm_clobber_test
3330
3331 echo "X{};" > $TMPV
3332 if test_ldflags -Wl,--version-script,$TMPV; then
3333     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3334     check_cc <<EOF && enable symver_asm_label
3335 void ff_foo(void) __asm__ ("av_foo@VERSION");
3336 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3337 EOF
3338     check_cc <<EOF && enable symver_gnu_asm
3339 __asm__(".symver ff_foo,av_foo@VERSION");
3340 void ff_foo(void) {}
3341 EOF
3342 fi
3343
3344 if [ -n "$optflags" ]; then
3345     add_cflags $optflags
3346 elif enabled small; then
3347     add_cflags $size_cflags
3348 elif enabled optimizations; then
3349     add_cflags $speed_cflags
3350 else
3351     add_cflags $noopt_cflags
3352 fi
3353 check_cflags -fno-math-errno
3354 check_cflags -fno-signed-zeros
3355 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3356 int x;
3357 EOF
3358
3359
3360 if enabled icc; then
3361     # Just warnings, no remarks
3362     check_cflags -w1
3363     # -wd: Disable following warnings
3364     # 144, 167, 556: -Wno-pointer-sign
3365     # 1292: attribute "foo" ignored
3366     # 10006: ignoring unknown option -fno-signed-zeros
3367     # 10148: ignoring unknown option -Wno-parentheses
3368     # 10156: ignoring option '-W'; no argument required
3369     check_cflags -wd144,167,556,1292,10006,10148,10156
3370     # 11030: Warning unknown option --as-needed
3371     # 10156: ignoring option '-export'; no argument required
3372     check_ldflags -wd10156,11030
3373     # Allow to compile with optimizations
3374     check_ldflags -march=$cpu
3375     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3376     enable ebp_available
3377     if enabled x86_32; then
3378         test ${icc_version%%.*} -ge 11 && \
3379             check_cflags -falign-stack=maintain-16-byte || \
3380             disable aligned_stack
3381     fi
3382 elif enabled ccc; then
3383     # disable some annoying warnings
3384     add_cflags -msg_disable cvtu32to64
3385     add_cflags -msg_disable embedcomment
3386     add_cflags -msg_disable needconstext
3387     add_cflags -msg_disable nomainieee
3388     add_cflags -msg_disable ptrmismatch1
3389     add_cflags -msg_disable unreachcode
3390 elif enabled gcc; then
3391     check_cflags -fno-tree-vectorize
3392     check_cflags -Werror=implicit-function-declaration
3393     check_cflags -Werror=missing-prototypes
3394 elif enabled llvm_gcc; then
3395     check_cflags -mllvm -stack-alignment=16
3396 elif enabled clang; then
3397     check_cflags -mllvm -stack-alignment=16
3398     check_cflags -Qunused-arguments
3399 elif enabled armcc; then
3400     # 2523: use of inline assembler is deprecated
3401     add_cflags -W${armcc_opt},--diag_suppress=2523
3402     add_cflags -W${armcc_opt},--diag_suppress=1207
3403     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3404     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3405     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3406     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3407 elif enabled tms470; then
3408     add_cflags -pds=824 -pds=837
3409 elif enabled pathscale; then
3410     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3411 fi
3412
3413 enabled_any $THREADS_LIST      && enable threads
3414
3415 check_deps $CONFIG_LIST       \
3416            $CONFIG_EXTRA      \
3417            $HAVE_LIST         \
3418            $ALL_COMPONENTS    \
3419            $ALL_TESTS         \
3420
3421 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3422
3423 if test $target_os = "haiku"; then
3424     disable memalign
3425     disable posix_memalign
3426 fi
3427
3428 ! enabled_any memalign posix_memalign malloc_aligned &&
3429     enabled_any $need_memalign && enable memalign_hack
3430
3431 # add_dep lib dep
3432 # -> enable ${lib}_deps_${dep}
3433 # -> add $dep to ${lib}_deps only once
3434 add_dep() {
3435     lib=$1
3436     dep=$2
3437     enabled "${lib}_deps_${dep}" && return 0
3438     enable  "${lib}_deps_${dep}"
3439     prepend "${lib}_deps" $dep
3440 }
3441
3442 # merge deps lib components
3443 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
3444 merge_deps() {
3445     lib=$1
3446     shift
3447     for comp in $*; do
3448         enabled $comp || continue
3449         eval "dep=\"\$${comp}_deps\""
3450         for d in $dep; do
3451             add_dep $lib $d
3452         done
3453     done
3454 }
3455
3456 merge_deps libavfilter $FILTER_LIST
3457
3458 echo "install prefix            $prefix"
3459 echo "source path               $source_path"
3460 echo "C compiler                $cc"
3461 echo "ARCH                      $arch ($cpu)"
3462 if test "$build_suffix" != ""; then
3463     echo "build suffix              $build_suffix"
3464 fi
3465 if test "$progs_suffix" != ""; then
3466     echo "progs suffix              $progs_suffix"
3467 fi
3468 if test "$extra_version" != ""; then
3469     echo "version string suffix     $extra_version"
3470 fi
3471 echo "big-endian                ${bigendian-no}"
3472 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3473 if enabled x86; then
3474     echo "${yasmexe}                      ${yasm-no}"
3475     echo "MMX enabled               ${mmx-no}"
3476     echo "MMX2 enabled              ${mmx2-no}"
3477     echo "3DNow! enabled            ${amd3dnow-no}"
3478     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3479     echo "SSE enabled               ${sse-no}"
3480     echo "SSSE3 enabled             ${ssse3-no}"
3481     echo "AVX enabled               ${avx-no}"
3482     echo "CMOV enabled              ${cmov-no}"
3483     echo "CMOV is fast              ${fast_cmov-no}"
3484     echo "EBX available             ${ebx_available-no}"
3485     echo "EBP available             ${ebp_available-no}"
3486 fi
3487 if enabled arm; then
3488     echo "ARMv5TE enabled           ${armv5te-no}"
3489     echo "ARMv6 enabled             ${armv6-no}"
3490     echo "ARMv6T2 enabled           ${armv6t2-no}"
3491     echo "ARM VFP enabled           ${armvfp-no}"
3492     echo "IWMMXT enabled            ${iwmmxt-no}"
3493     echo "NEON enabled              ${neon-no}"
3494 fi
3495 if enabled mips; then
3496     echo "MMI enabled               ${mmi-no}"
3497 fi
3498 if enabled ppc; then
3499     echo "AltiVec enabled           ${altivec-no}"
3500     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3501     echo "dcbzl available           ${dcbzl-no}"
3502 fi
3503 if enabled sparc; then
3504     echo "VIS enabled               ${vis-no}"
3505 fi
3506 echo "debug symbols             ${debug-no}"
3507 echo "strip symbols             ${stripping-no}"
3508 echo "optimize for size         ${small-no}"
3509 echo "optimizations             ${optimizations-no}"
3510 echo "static                    ${static-no}"
3511 echo "shared                    ${shared-no}"
3512 echo "postprocessing support    ${postproc-no}"
3513 echo "new filter support        ${avfilter-no}"
3514 echo "network support           ${network-no}"
3515 echo "threading support         ${thread_type-no}"
3516 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
3517 echo "SDL support               ${sdl-no}"
3518 echo "libdxva2 enabled          ${dxva2-no}"
3519 echo "libva enabled             ${vaapi-no}"
3520 echo "libvdpau enabled          ${vdpau-no}"
3521 echo "AVISynth enabled          ${avisynth-no}"
3522 echo "frei0r enabled            ${frei0r-no}"
3523 echo "gnutls enabled            ${gnutls-no}"
3524 echo "libaacplus enabled        ${libaacplus-no}"
3525 echo "libass enabled            ${libass-no}"
3526 echo "libcdio support           ${libcdio-no}"
3527 echo "libcelt enabled           ${libcelt-no}"
3528 echo "libdc1394 support         ${libdc1394-no}"
3529 echo "libdirac enabled          ${libdirac-no}"
3530 echo "libfaac enabled           ${libfaac-no}"
3531 echo "libgsm enabled            ${libgsm-no}"
3532 echo "libmodplug enabled        ${libmodplug-no}"
3533 echo "libmp3lame enabled        ${libmp3lame-no}"
3534 echo "libnut enabled            ${libnut-no}"
3535 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3536 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3537 echo "libopencv support         ${libopencv-no}"
3538 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3539 echo "libpulse enabled          ${libpulse-no}"
3540 echo "librtmp enabled           ${librtmp-no}"
3541 echo "libschroedinger enabled   ${libschroedinger-no}"
3542 echo "libspeex enabled          ${libspeex-no}"
3543 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
3544 echo "libtheora enabled         ${libtheora-no}"
3545 echo "libutvideo enabled        ${libutvideo-no}"
3546 echo "libv4l2 enabled           ${libv4l2-no}"
3547 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3548 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3549 echo "libvorbis enabled         ${libvorbis-no}"
3550 echo "libvpx enabled            ${libvpx-no}"
3551 echo "libx264 enabled           ${libx264-no}"
3552 echo "libxavs enabled           ${libxavs-no}"
3553 echo "libxvid enabled           ${libxvid-no}"
3554 echo "openal enabled            ${openal-no}"
3555 echo "openssl enabled           ${openssl-no}"
3556 echo "zlib enabled              ${zlib-no}"
3557 echo "bzlib enabled             ${bzlib-no}"
3558 echo
3559
3560 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3561     echo "Enabled ${type}s:"
3562     eval list=\$$(toupper $type)_LIST
3563     print_enabled '_*' $list | sort | pr -r -3 -t
3564     echo
3565 done
3566
3567 license="LGPL version 2.1 or later"
3568 if enabled nonfree; then
3569     license="nonfree and unredistributable"
3570 elif enabled gplv3; then
3571     license="GPL version 3 or later"
3572 elif enabled lgplv3; then
3573     license="LGPL version 3 or later"
3574 elif enabled gpl; then
3575     license="GPL version 2 or later"
3576 fi
3577
3578 echo "License: $license"
3579
3580 echo "Creating config.mak and config.h..."
3581
3582 test -e Makefile || $ln_s "$source_path/Makefile" .
3583
3584 enabled stripping || strip="echo skipping strip"
3585
3586 config_files="$TMPH config.mak"
3587
3588 cat > config.mak <<EOF
3589 # Automatically generated by configure - do not modify!
3590 ifndef FFMPEG_CONFIG_MAK
3591 FFMPEG_CONFIG_MAK=1
3592 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3593 prefix=$prefix
3594 LIBDIR=\$(DESTDIR)$libdir
3595 SHLIBDIR=\$(DESTDIR)$shlibdir
3596 INCDIR=\$(DESTDIR)$incdir
3597 BINDIR=\$(DESTDIR)$bindir
3598 DATADIR=\$(DESTDIR)$datadir
3599 MANDIR=\$(DESTDIR)$mandir
3600 SRC_PATH=$source_path
3601 ifndef MAIN_MAKEFILE
3602 SRC_PATH:=\$(SRC_PATH:.%=..%)
3603 endif
3604 CC_IDENT=$cc_ident
3605 ARCH=$arch
3606 CC=$cc
3607 CXX=$cxx
3608 AS=$as
3609 LD=$ld
3610 DEPCC=$dep_cc
3611 YASM=$yasmexe
3612 YASMDEP=$yasmexe
3613 AR=$ar
3614 RANLIB=$ranlib
3615 CP=cp -p
3616 LN_S=$ln_s
3617 STRIP=$strip
3618 CPPFLAGS=$CPPFLAGS
3619 CFLAGS=$CFLAGS
3620 CXXFLAGS=$CXXFLAGS
3621 ASFLAGS=$ASFLAGS
3622 AS_O=$CC_O
3623 CC_O=$CC_O
3624 CXX_O=$CXX_O
3625 LDFLAGS=$LDFLAGS
3626 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3627 SHFLAGS=$SHFLAGS
3628 YASMFLAGS=$YASMFLAGS
3629 BUILDSUF=$build_suffix
3630 PROGSSUF=$progs_suffix
3631 FULLNAME=$FULLNAME
3632 LIBPREF=$LIBPREF
3633 LIBSUF=$LIBSUF
3634 LIBNAME=$LIBNAME
3635 SLIBPREF=$SLIBPREF
3636 SLIBSUF=$SLIBSUF
3637 EXESUF=$EXESUF
3638 EXTRA_VERSION=$extra_version
3639 DEPFLAGS=$DEPFLAGS
3640 CCDEP=$CCDEP
3641 CXXDEP=$CXXDEP
3642 ASDEP=$ASDEP
3643 CC_DEPFLAGS=$CC_DEPFLAGS
3644 AS_DEPFLAGS=$AS_DEPFLAGS
3645 HOSTCC=$host_cc
3646 HOSTCFLAGS=$host_cflags
3647 HOSTEXESUF=$HOSTEXESUF
3648 HOSTLDFLAGS=$host_ldflags
3649 HOSTLIBS=$host_libs
3650 TARGET_EXEC=$target_exec
3651 TARGET_PATH=$target_path
3652 SDL_LIBS=$sdl_libs
3653 SDL_CFLAGS=$sdl_cflags
3654 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3655 EXTRALIBS=$extralibs
3656 INSTALL=$install
3657 LIBTARGET=${LIBTARGET}
3658 SLIBNAME=${SLIBNAME}
3659 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3660 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3661 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3662 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3663 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3664 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3665 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3666 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3667 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3668 NOREDZONE_FLAGS=$noredzone_flags
3669 EOF
3670
3671 get_version(){
3672     name=$1
3673     file=$source_path/$2
3674 # This condition will be removed when we stop supporting old libpostproc versions
3675 if ! test "$name" = LIBPOSTPROC || test "$postproc_version" = current; then
3676     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3677     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3678 fi
3679     lcname=$(tolower $name)
3680     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3681     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3682 }
3683
3684 get_version LIBAVCODEC  libavcodec/version.h
3685 get_version LIBAVDEVICE libavdevice/avdevice.h
3686 get_version LIBAVFILTER libavfilter/version.h
3687 get_version LIBAVFORMAT libavformat/version.h
3688 get_version LIBAVUTIL   libavutil/avutil.h
3689 get_version LIBPOSTPROC libpostproc/postprocess.h
3690 get_version LIBSWRESAMPLE libswresample/swresample.h
3691 get_version LIBSWSCALE  libswscale/swscale.h
3692
3693 cat > $TMPH <<EOF
3694 /* Automatically generated by configure - do not modify! */
3695 #ifndef FFMPEG_CONFIG_H
3696 #define FFMPEG_CONFIG_H
3697 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3698 #define FFMPEG_LICENSE "$(c_escape $license)"
3699 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3700 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3701 #define CC_TYPE "$cc_type"
3702 #define CC_VERSION $cc_version
3703 #define restrict $_restrict
3704 #define EXTERN_PREFIX "${extern_prefix}"
3705 #define EXTERN_ASM ${extern_prefix}
3706 #define SLIBSUF "$SLIBSUF"
3707 EOF
3708
3709 test -n "$malloc_prefix" &&
3710     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3711
3712 if enabled small || disabled optimizations; then
3713     echo "#undef  av_always_inline"  >> $TMPH
3714     if enabled small; then
3715         echo "#define av_always_inline inline"  >> $TMPH
3716     else
3717         echo "#define av_always_inline av_unused"  >> $TMPH
3718     fi
3719 fi
3720
3721 if enabled yasm; then
3722     append config_files $TMPASM
3723     printf '' >$TMPASM
3724 fi
3725
3726 print_config ARCH_   "$config_files" $ARCH_LIST
3727 print_config HAVE_   "$config_files" $HAVE_LIST
3728 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3729                                      $CONFIG_EXTRA      \
3730                                      $ALL_COMPONENTS    \
3731
3732 cat >>config.mak <<EOF
3733 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3734 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3735 LAVF_FATE_TESTS=$(print_enabled -n _test $LAVF_FATE_TESTS)
3736 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3737 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3738 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3739 EOF
3740
3741 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3742 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3743
3744 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3745 cp_if_changed $TMPH config.h
3746 touch .config
3747
3748 enabled yasm && cp_if_changed $TMPASM config.asm
3749
3750 cat > $TMPH <<EOF
3751 /* Generated by ffconf */
3752 #ifndef AVUTIL_AVCONFIG_H
3753 #define AVUTIL_AVCONFIG_H
3754 EOF
3755
3756 test "$postproc_version" != current && cat >> $TMPH <<EOF
3757 #define LIBPOSTPROC_VERSION_MAJOR $LIBPOSTPROC_VERSION_MAJOR
3758 #define LIBPOSTPROC_VERSION_MINOR $LIBPOSTPROC_VERSION_MINOR
3759 #define LIBPOSTPROC_VERSION_MICRO $LIBPOSTPROC_VERSION_MICRO
3760 EOF
3761
3762 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3763
3764 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3765
3766 cp_if_changed $TMPH libavutil/avconfig.h
3767
3768 test -n "$WARNINGS" && printf "\n$WARNINGS"
3769
3770 # build pkg-config files
3771
3772 pkgconfig_generate(){
3773 name=$1
3774 shortname=${name#lib}${build_suffix}
3775 comment=$2
3776 version=$3
3777 libs=$4
3778 requires=$5
3779 enabled ${name#lib} || return 0
3780 mkdir -p $name
3781 cat <<EOF > $name/$name.pc
3782 prefix=$prefix
3783 exec_prefix=\${prefix}
3784 libdir=$libdir
3785 includedir=$incdir
3786
3787 Name: $name
3788 Description: $comment
3789 Version: $version
3790 Requires: $(enabled shared || echo $requires)
3791 Requires.private: $(enabled shared && echo $requires)
3792 Conflicts:
3793 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3794 Libs.private: $(enabled shared && echo $libs)
3795 Cflags: -I\${includedir}
3796 EOF
3797 cat <<EOF > $name/$name-uninstalled.pc
3798 prefix=
3799 exec_prefix=
3800 libdir=\${pcfiledir}
3801 includedir=${source_path}
3802
3803 Name: $name
3804 Description: $comment
3805 Version: $version
3806 Requires: $requires
3807 Conflicts:
3808 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3809 Cflags: -I\${includedir}
3810 EOF
3811 }
3812
3813 libavfilter_pc_deps=""
3814 enabled libavfilter_deps_avcodec    && prepend libavfilter_pc_deps "libavcodec = $LIBAVCODEC_VERSION,"
3815 enabled libavfilter_deps_avformat   && prepend libavfilter_pc_deps "libavformat = $LIBAVFORMAT_VERSION,"
3816 enabled libavfilter_deps_swscale    && prepend libavfilter_pc_deps "libswscale = $LIBSWSCALE_VERSION,"
3817 enabled libavfilter_deps_swresample && prepend libavfilter_pc_deps "libswresample = $LIBSWRESAMPLE_VERSION,"
3818 enabled libavfilter_deps_postproc   && prepend libavfilter_pc_deps "libpostproc = $LIBPOSTPROC_VERSION,"
3819 libavfilter_pc_deps=${libavfilter_pc_deps%, }
3820
3821 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3822 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3823 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3824 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3825 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$libavfilter_pc_deps"
3826 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3827 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
3828 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"