ffv1: remove clear_state(), it has become unused
[ffmpeg.git] / configure
1 #!/bin/sh
2 #
3 # FFmpeg configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18     echo "Trying shell $1"
19     type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30     echo "Broken shell detected.  Trying alternatives."
31     export FF_CONF_EXEC
32     if test "0$FF_CONF_EXEC" -lt 1; then
33         FF_CONF_EXEC=1
34         try_exec bash "$0" "$@"
35     fi
36     if test "0$FF_CONF_EXEC" -lt 2; then
37         FF_CONF_EXEC=2
38         try_exec ksh "$0" "$@"
39     fi
40     if test "0$FF_CONF_EXEC" -lt 3; then
41         FF_CONF_EXEC=3
42         try_exec /usr/xpg4/bin/sh "$0" "$@"
43     fi
44     echo "No compatible shell script interpreter found."
45     echo "This configure script requires a POSIX-compatible shell"
46     echo "such as bash or ksh."
47     echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48     echo "Instead, install a working POSIX-compatible shell."
49     echo "Disabling this configure test will create a broken FFmpeg."
50     if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51         echo "This bash version ($BASH_VERSION) is broken on your platform."
52         echo "Upgrade to a later version if available."
53     fi
54     exit 1
55 fi
56
57 show_help(){
58 cat <<EOF
59 Usage: configure [options]
60 Options: [defaults in brackets after descriptions]
61
62 Help options:
63   --help                   print this message
64   --list-decoders          show all available decoders
65   --list-encoders          show all available encoders
66   --list-hwaccels          show all available hardware accelerators
67   --list-demuxers          show all available demuxers
68   --list-muxers            show all available muxers
69   --list-parsers           show all available parsers
70   --list-protocols         show all available protocols
71   --list-bsfs              show all available bitstream filters
72   --list-indevs            show all available input devices
73   --list-outdevs           show all available output devices
74   --list-filters           show all available filters
75
76 Standard options:
77   --logfile=FILE           log tests and output to FILE [config.log]
78   --disable-logging        do not log configure debug information
79   --prefix=PREFIX          install in PREFIX [$prefix]
80   --bindir=DIR             install binaries in DIR [PREFIX/bin]
81   --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
82   --libdir=DIR             install libs in DIR [PREFIX/lib]
83   --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
84   --incdir=DIR             install includes in DIR [PREFIX/include]
85   --mandir=DIR             install man page in DIR [PREFIX/share/man]
86
87 Licensing options:
88   --enable-gpl             allow use of GPL code, the resulting libs
89                            and binaries will be under GPL [no]
90   --enable-version3        upgrade (L)GPL to version 3 [no]
91   --enable-nonfree         allow use of nonfree code, the resulting libs
92                            and binaries will be unredistributable [no]
93
94 Configuration options:
95   --disable-static         do not build static libraries [no]
96   --enable-shared          build shared libraries [no]
97   --enable-small           optimize for size instead of speed
98   --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
99   --enable-gray            enable full grayscale support (slower color)
100   --disable-swscale-alpha  disable alpha channel support in swscale
101
102 Component options:
103   --disable-doc            do not build documentation
104   --disable-ffmpeg         disable ffmpeg build
105   --disable-ffplay         disable ffplay build
106   --disable-ffprobe        disable ffprobe build
107   --disable-ffserver       disable ffserver build
108   --disable-avdevice       disable libavdevice build
109   --disable-avcodec        disable libavcodec build
110   --disable-avformat       disable libavformat build
111   --disable-swresample     disable libswresample build
112   --disable-swscale        disable libswscale build
113   --disable-postproc       disable libpostproc build
114   --disable-avfilter       disable video filter support [no]
115   --disable-pthreads       disable pthreads [auto]
116   --disable-w32threads     disable Win32 threads [auto]
117   --disable-os2threads     disable OS/2 threads [auto]
118   --enable-x11grab         enable X11 grabbing [no]
119   --disable-network        disable network support [no]
120   --disable-dct            disable DCT code
121   --disable-mdct           disable MDCT code
122   --disable-rdft           disable RDFT code
123   --disable-fft            disable FFT code
124   --enable-dxva2           enable DXVA2 code
125   --enable-vaapi           enable VAAPI code [autodetect]
126   --enable-vda             enable VDA code   [autodetect]
127   --enable-vdpau           enable VDPAU code [autodetect]
128
129 Individual component options:
130   --disable-everything     disable all components listed below
131   --disable-encoder=NAME   disable encoder NAME
132   --enable-encoder=NAME    enable encoder NAME
133   --disable-encoders       disable all encoders
134   --disable-decoder=NAME   disable decoder NAME
135   --enable-decoder=NAME    enable decoder NAME
136   --disable-decoders       disable all decoders
137   --disable-hwaccel=NAME   disable hwaccel NAME
138   --enable-hwaccel=NAME    enable hwaccel NAME
139   --disable-hwaccels       disable all hwaccels
140   --disable-muxer=NAME     disable muxer NAME
141   --enable-muxer=NAME      enable muxer NAME
142   --disable-muxers         disable all muxers
143   --disable-demuxer=NAME   disable demuxer NAME
144   --enable-demuxer=NAME    enable demuxer NAME
145   --disable-demuxers       disable all demuxers
146   --enable-parser=NAME     enable parser NAME
147   --disable-parser=NAME    disable parser NAME
148   --disable-parsers        disable all parsers
149   --enable-bsf=NAME        enable bitstream filter NAME
150   --disable-bsf=NAME       disable bitstream filter NAME
151   --disable-bsfs           disable all bitstream filters
152   --enable-protocol=NAME   enable protocol NAME
153   --disable-protocol=NAME  disable protocol NAME
154   --disable-protocols      disable all protocols
155   --enable-indev=NAME      enable input device NAME
156   --disable-indev=NAME     disable input device NAME
157   --disable-indevs         disable input devices
158   --enable-outdev=NAME     enable output device NAME
159   --disable-outdev=NAME    disable output device NAME
160   --disable-outdevs        disable output devices
161   --disable-devices        disable all devices
162   --enable-filter=NAME     enable filter NAME
163   --disable-filter=NAME    disable filter NAME
164   --disable-filters        disable all filters
165
166 External library support:
167   --enable-avisynth        enable reading of AVISynth script files [no]
168   --enable-bzlib           enable bzlib [autodetect]
169   --enable-fontconfig      enable fontconfig
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-libfaac         enable FAAC support via libfaac [no]
183   --enable-libfreetype     enable libfreetype [no]
184   --enable-libgsm          enable GSM support via libgsm [no]
185   --enable-libmodplug      enable ModPlug via libmodplug [no]
186   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
187   --enable-libnut          enable NUT (de)muxing via libnut,
188                            native (de)muxer exists [no]
189   --enable-libopenjpeg     enable JPEG 2000 encoding/decoding via OpenJPEG [no]
190   --enable-libpulse        enable Pulseaudio input via libpulse [no]
191   --enable-librtmp         enable RTMP[E] support via librtmp [no]
192   --enable-libschroedinger enable Dirac support via libschroedinger [no]
193   --enable-libspeex        enable Speex support via libspeex [no]
194   --enable-libstagefright-h264  enable H.264 decoding via libstagefright [no]
195   --enable-libtheora       enable Theora encoding via libtheora [no]
196   --enable-libutvideo      enable Ut Video encoding and decoding via libutvideo [no]
197   --enable-libv4l2         enable libv4l2/v4l-utils [no]
198   --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
199   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
200   --enable-libvorbis       enable Vorbis encoding via libvorbis,
201                            native implementation exists [no]
202   --enable-libvpx          enable VP8 support via libvpx [no]
203   --enable-libx264         enable H.264 encoding via x264 [no]
204   --enable-libxavs         enable AVS encoding via xavs [no]
205   --enable-libxvid         enable Xvid encoding via xvidcore,
206                            native MPEG-4/Xvid encoder exists [no]
207   --enable-openal          enable OpenAL 1.1 capture support [no]
208   --enable-openssl         enable openssl [no]
209   --enable-zlib            enable zlib [autodetect]
210
211 Advanced options (experts only):
212   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
213   --enable-cross-compile   assume a cross-compiler is used
214   --sysroot=PATH           root of cross-build tree
215   --sysinclude=PATH        location of cross-build system headers
216   --target-os=OS           compiler targets OS [$target_os]
217   --target-exec=CMD        command to run executables on target
218   --target-path=DIR        path to view of build directory on target
219   --nm=NM                  use nm tool NM [$nm_default]
220   --ar=AR                  use archive tool AR [$ar_default]
221   --as=AS                  use assembler AS [$as_default]
222   --yasmexe=EXE            use yasm-compatible assembler EXE [$yasmexe_default]
223   --cc=CC                  use C compiler CC [$cc_default]
224   --cxx=CXX                use C compiler CXX [$cxx_default]
225   --ld=LD                  use linker LD [$ld_default]
226   --host-cc=HOSTCC         use host C compiler HOSTCC
227   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
228   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
229   --host-libs=HLIBS        use libs HLIBS when linking for host
230   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
231   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
232   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
233   --extra-libs=ELIBS       add ELIBS [$ELIBS]
234   --extra-version=STRING   version string suffix []
235   --optflags               override optimization-related compiler flags
236   --build-suffix=SUFFIX    library name suffix []
237   --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX
238   --progs-suffix=SUFFIX    program name suffix []
239   --arch=ARCH              select architecture [$arch]
240   --cpu=CPU                select the minimum required CPU (affects
241                            instruction selection, may crash on older CPUs)
242   --enable-pic             build position-independent code
243   --enable-sram            allow use of on-chip SRAM
244   --disable-symver         disable symbol versioning
245   --disable-fastdiv        disable table-based division
246   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
247   --disable-safe-bitstream-reader
248                            disable buffer boundary checking in bitreaders
249                            (faster, but may crash)
250   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
251
252 Optimization options (experts only):
253   --disable-asm            disable all assembler optimizations
254   --disable-altivec        disable AltiVec optimizations
255   --disable-amd3dnow       disable 3DNow! optimizations
256   --disable-amd3dnowext    disable 3DNow! extended optimizations
257   --disable-mmx            disable MMX optimizations
258   --disable-mmx2           disable MMX2 optimizations
259   --disable-sse            disable SSE optimizations
260   --disable-ssse3          disable SSSE3 optimizations
261   --disable-avx            disable AVX optimizations
262   --disable-armv5te        disable armv5te optimizations
263   --disable-armv6          disable armv6 optimizations
264   --disable-armv6t2        disable armv6t2 optimizations
265   --disable-armvfp         disable ARM VFP optimizations
266   --disable-mmi            disable MMI optimizations
267   --disable-neon           disable NEON optimizations
268   --disable-vis            disable VIS optimizations
269   --disable-yasm           disable use of yasm assembler
270   --postproc-version=V     build libpostproc version V.
271                            Where V can be '$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO' or 'current'. [$postproc_version_default]
272
273 Developer options (useful when working on FFmpeg itself):
274   --enable-coverage        build with test coverage instrumentation
275   --disable-debug          disable debugging symbols
276   --enable-debug=LEVEL     set the debug level [$debuglevel]
277   --disable-optimizations  disable compiler optimizations
278   --enable-extra-warnings  enable more compiler warnings
279   --disable-stripping      disable stripping of executables and shared libraries
280   --assert-level=level     0(default), 1 or 2, amount of assertion testing,
281                            2 causes a slowdown at runtime.
282   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory
283                            leaks and errors, using the specified valgrind binary.
284                            Cannot be combined with --target-exec
285   --samples=PATH           location of test samples for FATE, if not set use
286                            \$FATE_SAMPLES at make invocation time.
287   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
288                            should be used only for debugging purposes)
289
290 NOTE: Object files are built at the place where configure is launched.
291 EOF
292   exit 0
293 }
294
295 quotes='""'
296
297 log(){
298     echo "$@" >> $logfile
299 }
300
301 log_file(){
302     log BEGIN $1
303     pr -n -t $1 >> $logfile
304     log END $1
305 }
306
307 echolog(){
308     log "$@"
309     echo "$@"
310 }
311
312 warn(){
313     log "WARNING: $*"
314     WARNINGS="${WARNINGS}WARNING: $*\n"
315 }
316
317 die(){
318     echolog "$@"
319     cat <<EOF
320
321 If you think configure made a mistake, make sure you are using the latest
322 version from Git.  If the latest version fails, report the problem to the
323 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
324 EOF
325     if disabled logging; then
326         cat <<EOF
327 Rerun configure with logging enabled (do not use --disable-logging), and
328 include the log this produces with your report.
329 EOF
330     else
331 cat <<EOF
332 Include the log file "$logfile" produced by configure as this will help
333 solving the problem.
334 EOF
335     fi
336     exit 1
337 }
338
339 # Avoid locale weirdness, besides we really just want to translate ASCII.
340 toupper(){
341     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
342 }
343
344 tolower(){
345     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
346 }
347
348 c_escape(){
349     echo "$*" | sed 's/["\\]/\\\0/g'
350 }
351
352 sh_quote(){
353     v=$(echo "$1" | sed "s/'/'\\\\''/g")
354     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
355     echo "$v"
356 }
357
358 cleanws(){
359     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
360 }
361
362 filter(){
363     pat=$1
364     shift
365     for v; do
366         eval "case $v in $pat) echo $v ;; esac"
367     done
368 }
369
370 filter_out(){
371     pat=$1
372     shift
373     for v; do
374         eval "case $v in $pat) ;; *) echo $v ;; esac"
375     done
376 }
377
378 map(){
379     m=$1
380     shift
381     for v; do eval $m; done
382 }
383
384 set_all(){
385     value=$1
386     shift
387     for var in $*; do
388         eval $var=$value
389     done
390 }
391
392 set_weak(){
393     value=$1
394     shift
395     for var; do
396         eval : \${$var:=$value}
397     done
398 }
399
400 set_safe(){
401     var=$1
402     shift
403     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
404 }
405
406 get_safe(){
407     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
408 }
409
410 pushvar(){
411     for var in $*; do
412         eval level=\${${var}_level:=0}
413         eval ${var}_${level}="\$$var"
414         eval ${var}_level=$(($level+1))
415     done
416 }
417
418 popvar(){
419     for var in $*; do
420         eval level=\${${var}_level:-0}
421         test $level = 0 && continue
422         eval level=$(($level-1))
423         eval $var="\${${var}_${level}}"
424         eval ${var}_level=$level
425         eval unset ${var}_${level}
426     done
427 }
428
429 enable(){
430     set_all yes $*
431 }
432
433 disable(){
434     set_all no $*
435 }
436
437 enable_weak(){
438     set_weak yes $*
439 }
440
441 disable_weak(){
442     set_weak no $*
443 }
444
445 enable_safe(){
446     for var; do
447         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
448     done
449 }
450
451 disable_safe(){
452     for var; do
453         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
454     done
455 }
456
457 do_enable_deep(){
458     for var; do
459         enabled $var && continue
460         eval sel="\$${var}_select"
461         eval sgs="\$${var}_suggest"
462         pushvar var sgs
463         enable_deep $sel
464         popvar sgs
465         enable_deep_weak $sgs
466         popvar var
467     done
468 }
469
470 enable_deep(){
471     do_enable_deep $*
472     enable $*
473 }
474
475 enable_deep_weak(){
476     do_enable_deep $*
477     enable_weak $*
478 }
479
480 enabled(){
481     test "${1#!}" = "$1" && op== || op=!=
482     eval test "x\$${1#!}" $op "xyes"
483 }
484
485 disabled(){
486     test "${1#!}" = "$1" && op== || op=!=
487     eval test "x\$${1#!}" $op "xno"
488 }
489
490 enabled_all(){
491     for opt; do
492         enabled $opt || return 1
493     done
494 }
495
496 disabled_all(){
497     for opt; do
498         disabled $opt || return 1
499     done
500 }
501
502 enabled_any(){
503     for opt; do
504         enabled $opt && return 0
505     done
506 }
507
508 disabled_any(){
509     for opt; do
510         disabled $opt && return 0
511     done
512     return 1
513 }
514
515 set_default(){
516     for opt; do
517         eval : \${$opt:=\$${opt}_default}
518     done
519 }
520
521 is_in(){
522     value=$1
523     shift
524     for var in $*; do
525         [ $var = $value ] && return 0
526     done
527     return 1
528 }
529
530 check_deps(){
531     for cfg; do
532         cfg="${cfg#!}"
533         enabled ${cfg}_checking && die "Circular dependency for $cfg."
534         disabled ${cfg}_checking && continue
535         enable ${cfg}_checking
536
537         eval dep_all="\$${cfg}_deps"
538         eval dep_any="\$${cfg}_deps_any"
539         eval dep_sel="\$${cfg}_select"
540         eval dep_sgs="\$${cfg}_suggest"
541         eval dep_ifa="\$${cfg}_if"
542         eval dep_ifn="\$${cfg}_if_any"
543
544         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
545         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
546         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
547
548         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
549         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
550         enabled_all  $dep_all || disable $cfg
551         enabled_any  $dep_any || disable $cfg
552         disabled_any $dep_sel && disable $cfg
553
554         if enabled $cfg; then
555             eval dep_extralibs="\$${cfg}_extralibs"
556             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
557             enable_deep $dep_sel
558             enable_deep_weak $dep_sgs
559         fi
560
561         disable ${cfg}_checking
562     done
563 }
564
565 print_config_h(){
566     enabled $1 && v=1 || v=0
567     echo "#define $2 $v"
568 }
569
570 print_config_mak(){
571     enabled $1 && v= || v=!
572     echo "$v$2=yes"
573 }
574
575 print_config_asm(){
576     enabled $1 && v=1 || v=0
577     echo "%define $2 $v"
578 }
579
580 print_config(){
581     pfx=$1
582     files=$2
583     shift 2
584     for cfg; do
585         ucname="$(toupper $cfg)"
586         for f in $files; do
587             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
588         done
589     done
590 }
591
592 print_enabled(){
593     test "$1" = -n && end=" " && shift || end="\n"
594     suf=$1
595     shift
596     for v; do
597         enabled $v && printf "%s$end" ${v%$suf};
598     done
599 }
600
601 append(){
602     var=$1
603     shift
604     eval "$var=\"\$$var $*\""
605 }
606
607 prepend(){
608     var=$1
609     shift
610     eval "$var=\"$* \$$var\""
611 }
612
613 add_cppflags(){
614     append CPPFLAGS $($filter_cppflags "$@")
615 }
616
617 add_cflags(){
618     append CFLAGS $($filter_cflags "$@")
619 }
620
621 add_cxxflags(){
622     append CXXFLAGS $($filter_cflags "$@")
623 }
624
625 add_asflags(){
626     append ASFLAGS $($filter_asflags "$@")
627 }
628
629 add_ldflags(){
630     append LDFLAGS "$@"
631 }
632
633 add_extralibs(){
634     prepend extralibs "$@"
635 }
636
637 check_cmd(){
638     log "$@"
639     "$@" >> $logfile 2>&1
640 }
641
642 check_cc(){
643     log check_cc "$@"
644     cat > $TMPC
645     log_file $TMPC
646     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
647 }
648
649 check_cxx(){
650     log check_cxx "$@"
651     cat > $TMPCPP
652     log_file $TMPCPP
653     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" -c -o $TMPO $TMPCPP
654 }
655
656 check_cpp(){
657     log check_cpp "$@"
658     cat > $TMPC
659     log_file $TMPC
660     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
661 }
662
663 check_as(){
664     log check_as "$@"
665     cat > $TMPC
666     log_file $TMPC
667     check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
668 }
669
670 check_asm(){
671     log check_asm "$@"
672     name="$1"
673     code="$2"
674     shift 2
675     disable $name
676     check_as "$@" <<EOF && enable $name
677 void foo(void){ __asm__ volatile($code); }
678 EOF
679 }
680
681 check_yasm(){
682     log check_yasm "$@"
683     echo "$1" > $TMPS
684     log_file $TMPS
685     shift 1
686     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
687 }
688
689 check_ld(){
690     log check_ld "$@"
691     type=$1
692     shift 1
693     flags=''
694     libs=''
695     for f; do
696         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
697     done
698     check_$type $($filter_cflags $flags) || return
699     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
700 }
701
702 check_cppflags(){
703     log check_cppflags "$@"
704     set -- $($filter_cppflags "$@")
705     check_cc "$@" <<EOF && append CPPFLAGS "$@"
706 int x;
707 EOF
708 }
709
710 check_cflags(){
711     log check_cflags "$@"
712     set -- $($filter_cflags "$@")
713     check_cc "$@" <<EOF && append CFLAGS "$@"
714 int x;
715 EOF
716 }
717
718 check_cxxflags(){
719     log check_cxxflags "$@"
720     set -- $($filter_cflags "$@")
721     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
722 int x;
723 EOF
724 }
725
726 test_ldflags(){
727     log test_ldflags "$@"
728     check_ld "cc" "$@" <<EOF
729 int main(void){ return 0; }
730 EOF
731 }
732
733 check_ldflags(){
734     log check_ldflags "$@"
735     test_ldflags "$@" && add_ldflags "$@"
736 }
737
738 check_header(){
739     log check_header "$@"
740     header=$1
741     shift
742     disable_safe $header
743     check_cpp "$@" <<EOF && enable_safe $header
744 #include <$header>
745 int x;
746 EOF
747 }
748
749 check_func(){
750     log check_func "$@"
751     func=$1
752     shift
753     disable $func
754     check_ld "cc" "$@" <<EOF && enable $func
755 extern int $func();
756 int main(void){ $func(); }
757 EOF
758 }
759
760 check_mathfunc(){
761     log check_mathfunc "$@"
762     func=$1
763     shift
764     disable $func
765     check_ld "cc" "$@" <<EOF && enable $func
766 #include <math.h>
767 float foo(float f) { return $func(f); }
768 int main(void){ return (int) foo; }
769 EOF
770 }
771
772 check_func_headers(){
773     log check_func_headers "$@"
774     headers=$1
775     funcs=$2
776     shift 2
777     {
778         for hdr in $headers; do
779             echo "#include <$hdr>"
780         done
781         for func in $funcs; do
782             echo "long check_$func(void) { return (long) $func; }"
783         done
784         echo "int main(void) { return 0; }"
785     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
786 }
787
788 check_class_headers_cpp(){
789     log check_class_headers_cpp "$@"
790     headers=$1
791     classes=$2
792     shift 2
793     {
794         for hdr in $headers; do
795             echo "#include <$hdr>"
796         done
797         echo "int main(void) { "
798         i=1
799         for class in $classes; do
800             echo "$class obj$i;"
801             i=$(expr $i + 1)
802         done
803         echo "return 0; }"
804     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
805 }
806
807 check_cpp_condition(){
808     log check_cpp_condition "$@"
809     header=$1
810     condition=$2
811     shift 2
812     check_cpp $($filter_cppflags "$@") <<EOF
813 #include <$header>
814 #if !($condition)
815 #error "unsatisfied condition: $condition"
816 #endif
817 EOF
818 }
819
820 check_lib(){
821     log check_lib "$@"
822     header="$1"
823     func="$2"
824     shift 2
825     check_header $header && check_func $func "$@" && add_extralibs "$@"
826 }
827
828 check_lib2(){
829     log check_lib2 "$@"
830     headers="$1"
831     funcs="$2"
832     shift 2
833     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
834 }
835
836 check_lib_cpp(){
837     log check_lib_cpp "$@"
838     headers="$1"
839     classes="$2"
840     shift 2
841     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
842 }
843
844 check_pkg_config(){
845     log check_pkg_config "$@"
846     pkg="$1"
847     headers="$2"
848     funcs="$3"
849     shift 3
850     $pkg_config --exists $pkg 2>/dev/null || return
851     pkg_cflags=$($pkg_config --cflags $pkg)
852     pkg_libs=$($pkg_config --libs $pkg)
853     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
854         set_safe ${pkg}_cflags $pkg_cflags   &&
855         set_safe ${pkg}_libs   $pkg_libs
856 }
857
858 check_exec(){
859     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
860 }
861
862 check_exec_crash(){
863     code=$(cat)
864
865     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
866     # are safe but may not be available everywhere.  Thus we use
867     # raise(SIGTERM) instead.  The check is run in a subshell so we
868     # can redirect the "Terminated" message from the shell.  SIGBUS
869     # is not defined by standard C so it is used conditionally.
870
871     (check_exec "$@") >> $logfile 2>&1 <<EOF
872 #include <signal.h>
873 static void sighandler(int sig){
874     raise(SIGTERM);
875 }
876 int func(void){
877     $code
878 }
879 int (*func_ptr)(void) = func;
880 int main(void){
881     signal(SIGILL, sighandler);
882     signal(SIGFPE, sighandler);
883     signal(SIGSEGV, sighandler);
884 #ifdef SIGBUS
885     signal(SIGBUS, sighandler);
886 #endif
887     return func_ptr();
888 }
889 EOF
890 }
891
892 check_type(){
893     log check_type "$@"
894     headers=$1
895     type=$2
896     shift 2
897     disable_safe "$type"
898     incs=""
899     for hdr in $headers; do
900         incs="$incs
901 #include <$hdr>"
902     done
903     check_cc "$@" <<EOF && enable_safe "$type"
904 $incs
905 $type v;
906 EOF
907 }
908
909 check_struct(){
910     log check_type "$@"
911     headers=$1
912     struct=$2
913     member=$3
914     shift 3
915     disable_safe "${struct}_${member}"
916     incs=""
917     for hdr in $headers; do
918         incs="$incs
919 #include <$hdr>"
920     done
921     check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
922 $incs
923 const void *p = &(($struct *)0)->$member;
924 EOF
925 }
926
927 require(){
928     name="$1"
929     header="$2"
930     func="$3"
931     shift 3
932     check_lib $header $func "$@" || die "ERROR: $name not found"
933 }
934
935 require2(){
936     name="$1"
937     headers="$2"
938     func="$3"
939     shift 3
940     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
941 }
942
943 require_cpp(){
944     name="$1"
945     headers="$2"
946     classes="$3"
947     shift 3
948     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
949 }
950
951 require_pkg_config(){
952     pkg="$1"
953     check_pkg_config "$@" || die "ERROR: $pkg not found"
954     add_cflags    $(get_safe ${pkg}_cflags)
955     add_extralibs $(get_safe ${pkg}_libs)
956 }
957
958 check_host_cc(){
959     log check_host_cc "$@"
960     cat > $TMPC
961     log_file $TMPC
962     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
963 }
964
965 check_host_cflags(){
966     log check_host_cflags "$@"
967     check_host_cc "$@" <<EOF && append host_cflags "$@"
968 int x;
969 EOF
970 }
971
972 apply(){
973     file=$1
974     shift
975     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
976 }
977
978 cp_if_changed(){
979     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
980     mkdir -p "$(dirname $2)"
981     cp -f "$1" "$2"
982 }
983
984 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
985 # system-dependent things.
986
987 COMPONENT_LIST="
988     bsfs
989     decoders
990     demuxers
991     encoders
992     filters
993     hwaccels
994     indevs
995     muxers
996     outdevs
997     parsers
998     protocols
999 "
1000
1001 PROGRAM_LIST="
1002     ffplay
1003     ffprobe
1004     ffserver
1005     ffmpeg
1006 "
1007
1008 CONFIG_LIST="
1009     $COMPONENT_LIST
1010     $PROGRAM_LIST
1011     ac3dsp
1012     avcodec
1013     avdevice
1014     avfilter
1015     avformat
1016     avisynth
1017     bzlib
1018     crystalhd
1019     dct
1020     doc
1021     dwt
1022     dxva2
1023     fastdiv
1024     fft
1025     fontconfig
1026     frei0r
1027     gnutls
1028     gpl
1029     gray
1030     hardcoded_tables
1031     libaacplus
1032     libass
1033     libbluray
1034     libcdio
1035     libcelt
1036     libdc1394
1037     libfaac
1038     libfreetype
1039     libgsm
1040     libmodplug
1041     libmp3lame
1042     libnut
1043     libopencore_amrnb
1044     libopencore_amrwb
1045     libopencv
1046     libopenjpeg
1047     libpulse
1048     librtmp
1049     libschroedinger
1050     libspeex
1051     libstagefright_h264
1052     libtheora
1053     libutvideo
1054     libv4l2
1055     libvo_aacenc
1056     libvo_amrwbenc
1057     libvorbis
1058     libvpx
1059     libx264
1060     libxavs
1061     libxvid
1062     lsp
1063     mdct
1064     memalign_hack
1065     mpegaudiodsp
1066     network
1067     nonfree
1068     openal
1069     openssl
1070     pic
1071     postproc
1072     rdft
1073     rtpdec
1074     runtime_cpudetect
1075     safe_bitstream_reader
1076     shared
1077     sinewin
1078     small
1079     sram
1080     static
1081     swresample
1082     swscale
1083     swscale_alpha
1084     thumb
1085     vaapi
1086     vda
1087     vdpau
1088     version3
1089     xmm_clobber_test
1090     x11grab
1091     zlib
1092 "
1093
1094 THREADS_LIST='
1095     pthreads
1096     w32threads
1097     os2threads
1098 '
1099
1100 ARCH_LIST='
1101     alpha
1102     arm
1103     avr32
1104     avr32_ap
1105     avr32_uc
1106     bfin
1107     ia64
1108     m68k
1109     mips
1110     mips64
1111     parisc
1112     ppc
1113     ppc64
1114     s390
1115     sh4
1116     sparc
1117     sparc64
1118     tomi
1119     x86
1120     x86_32
1121     x86_64
1122 '
1123
1124 ARCH_EXT_LIST='
1125     altivec
1126     amd3dnow
1127     amd3dnowext
1128     armv5te
1129     armv6
1130     armv6t2
1131     armvfp
1132     avx
1133     mmi
1134     mmx
1135     mmx2
1136     neon
1137     ppc4xx
1138     sse
1139     ssse3
1140     vfpv3
1141     vis
1142 '
1143
1144 HAVE_LIST_PUB='
1145     bigendian
1146     fast_unaligned
1147 '
1148
1149 HAVE_LIST="
1150     $ARCH_EXT_LIST
1151     $HAVE_LIST_PUB
1152     $THREADS_LIST
1153     aligned_stack
1154     alsa_asoundlib_h
1155     altivec_h
1156     arpa_inet_h
1157     asm_mod_y
1158     asm_types_h
1159     attribute_may_alias
1160     attribute_packed
1161     cbrtf
1162     clock_gettime
1163     closesocket
1164     cmov
1165     dcbzl
1166     dev_bktr_ioctl_bt848_h
1167     dev_bktr_ioctl_meteor_h
1168     dev_ic_bt8xx_h
1169     dev_video_bktr_ioctl_bt848_h
1170     dev_video_meteor_ioctl_meteor_h
1171     dlfcn_h
1172     dlopen
1173     dos_paths
1174     ebp_available
1175     ebx_available
1176     exp2
1177     exp2f
1178     fast_64bit
1179     fast_clz
1180     fast_cmov
1181     fcntl
1182     fork
1183     getaddrinfo
1184     gethrtime
1185     GetProcessAffinityMask
1186     GetProcessMemoryInfo
1187     GetProcessTimes
1188     getrusage
1189     glob
1190     gnu_as
1191     ibm_asm
1192     inet_aton
1193     inline_asm
1194     isatty
1195     kbhit
1196     ldbrx
1197     libdc1394_1
1198     libdc1394_2
1199     llrint
1200     llrintf
1201     local_aligned_16
1202     local_aligned_8
1203     localtime_r
1204     log2
1205     log2f
1206     loongson
1207     lrint
1208     lrintf
1209     lzo1x_999_compress
1210     machine_ioctl_bt848_h
1211     machine_ioctl_meteor_h
1212     makeinfo
1213     malloc_h
1214     MapViewOfFile
1215     memalign
1216     mkstemp
1217     mmap
1218     PeekNamedPipe
1219     poll_h
1220     posix_memalign
1221     round
1222     roundf
1223     sched_getaffinity
1224     sdl
1225     sdl_video_size
1226     setmode
1227     setrlimit
1228     sndio_h
1229     socklen_t
1230     soundcard_h
1231     strerror_r
1232     strptime
1233     struct_addrinfo
1234     struct_ipv6_mreq
1235     struct_rusage_ru_maxrss
1236     struct_sockaddr_in6
1237     struct_sockaddr_sa_len
1238     struct_sockaddr_storage
1239     struct_v4l2_frmivalenum_discrete
1240     symver
1241     symver_asm_label
1242     symver_gnu_asm
1243     sysconf
1244     sysctl
1245     sys_mman_h
1246     sys_param_h
1247     sys_resource_h
1248     sys_select_h
1249     sys_soundcard_h
1250     sys_videoio_h
1251     termios_h
1252     threads
1253     trunc
1254     truncf
1255     vfp_args
1256     VirtualAlloc
1257     winsock2_h
1258     xform_asm
1259     xmm_clobbers
1260     yasm
1261 "
1262
1263 # options emitted with CONFIG_ prefix but not available on command line
1264 CONFIG_EXTRA="
1265     aandct
1266     avutil
1267     golomb
1268     gplv3
1269     h264chroma
1270     h264dsp
1271     h264pred
1272     h264qpel
1273     huffman
1274     lgplv3
1275     lpc
1276 "
1277
1278 CMDLINE_SELECT="
1279     $ARCH_EXT_LIST
1280     $CONFIG_LIST
1281     $THREADS_LIST
1282     asm
1283     coverage
1284     cross_compile
1285     debug
1286     extra_warnings
1287     logging
1288     optimizations
1289     stripping
1290     symver
1291     yasm
1292 "
1293
1294 PATHS_LIST='
1295     bindir
1296     datadir
1297     incdir
1298     libdir
1299     mandir
1300     prefix
1301     shlibdir
1302 '
1303
1304 CMDLINE_SET="
1305     $PATHS_LIST
1306     ar
1307     arch
1308     as
1309     assert_level
1310     build_suffix
1311     cc
1312     cpu
1313     cross_prefix
1314     cxx
1315     dep_cc
1316     extra_version
1317     host_cc
1318     host_cflags
1319     host_ldflags
1320     host_libs
1321     host_os
1322     install
1323     ld
1324     logfile
1325     malloc_prefix
1326     nm
1327     optflags
1328     pkg_config
1329     postproc_version
1330     progs_suffix
1331     samples
1332     strip
1333     sysinclude
1334     sysroot
1335     target_exec
1336     target_os
1337     target_path
1338     valgrind
1339     yasmexe
1340 "
1341
1342 CMDLINE_APPEND="
1343     extra_cflags
1344     extra_cxxflags
1345 "
1346
1347 # code dependency declarations
1348
1349 # architecture extensions
1350
1351 armv5te_deps="arm"
1352 armv6_deps="arm"
1353 armv6t2_deps="arm"
1354 armvfp_deps="arm"
1355 neon_deps="arm"
1356 vfpv3_deps="armvfp"
1357
1358 mmi_deps="mips"
1359
1360 altivec_deps="ppc"
1361 ppc4xx_deps="ppc"
1362
1363 vis_deps="sparc"
1364
1365 x86_64_suggest="cmov fast_cmov"
1366 amd3dnow_deps="mmx"
1367 amd3dnowext_deps="amd3dnow"
1368 mmx_deps="x86"
1369 mmx2_deps="mmx"
1370 sse_deps="mmx"
1371 ssse3_deps="sse"
1372 avx_deps="ssse3"
1373
1374 aligned_stack_if_any="ppc x86"
1375 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1376 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1377 fast_unaligned_if_any="armv6 ppc x86"
1378
1379 inline_asm_deps="!tms470"
1380 need_memalign="altivec neon sse"
1381
1382 symver_if_any="symver_asm_label symver_gnu_asm"
1383
1384 # subsystems
1385 dct_select="rdft"
1386 mdct_select="fft"
1387 rdft_select="fft"
1388 mpegaudiodsp_select="dct"
1389
1390 # decoders / encoders / hardware accelerators
1391 aac_decoder_select="mdct sinewin"
1392 aac_encoder_select="mdct sinewin"
1393 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1394 ac3_decoder_select="mdct ac3dsp ac3_parser"
1395 ac3_encoder_select="mdct ac3dsp"
1396 ac3_fixed_encoder_select="mdct ac3dsp"
1397 alac_encoder_select="lpc"
1398 amrnb_decoder_select="lsp"
1399 amrwb_decoder_select="lsp"
1400 atrac1_decoder_select="mdct sinewin"
1401 atrac3_decoder_select="mdct"
1402 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1403 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1404 cavs_decoder_select="golomb"
1405 cook_decoder_select="mdct sinewin"
1406 cscd_decoder_suggest="zlib"
1407 dca_decoder_select="mdct"
1408 dnxhd_encoder_select="aandct"
1409 dxa_decoder_select="zlib"
1410 eac3_decoder_select="ac3_decoder"
1411 eac3_encoder_select="mdct ac3dsp"
1412 eamad_decoder_select="aandct"
1413 eatgq_decoder_select="aandct"
1414 eatqi_decoder_select="aandct"
1415 ffv1_decoder_select="golomb"
1416 flac_decoder_select="golomb"
1417 flac_encoder_select="golomb lpc"
1418 flashsv_decoder_select="zlib"
1419 flashsv_encoder_select="zlib"
1420 flashsv2_encoder_select="zlib"
1421 flashsv2_decoder_select="zlib"
1422 flv_decoder_select="h263_decoder"
1423 flv_encoder_select="h263_encoder"
1424 fraps_decoder_select="huffman"
1425 h261_encoder_select="aandct"
1426 h263_decoder_select="h263_parser"
1427 h263_encoder_select="aandct"
1428 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1429 h263i_decoder_select="h263_decoder"
1430 h263p_encoder_select="h263_encoder"
1431 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1432 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1433 h264_dxva2_hwaccel_deps="dxva2api_h"
1434 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1435 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1436 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1437 h264_vda_hwaccel_select="vda h264_decoder"
1438 h264_vdpau_decoder_select="vdpau h264_decoder"
1439 imc_decoder_select="fft mdct sinewin"
1440 jpegls_decoder_select="golomb"
1441 jpegls_encoder_select="golomb"
1442 ljpeg_encoder_select="aandct"
1443 loco_decoder_select="golomb"
1444 mjpeg_encoder_select="aandct"
1445 mlp_decoder_select="mlp_parser"
1446 mp1_decoder_select="mpegaudiodsp"
1447 mp1float_decoder_select="mpegaudiodsp"
1448 mp2_decoder_select="mpegaudiodsp"
1449 mp2float_decoder_select="mpegaudiodsp"
1450 mp3_decoder_select="mpegaudiodsp"
1451 mp3adu_decoder_select="mpegaudiodsp"
1452 mp3adufloat_decoder_select="mpegaudiodsp"
1453 mp3float_decoder_select="mpegaudiodsp"
1454 mp3on4_decoder_select="mpegaudiodsp"
1455 mp3on4float_decoder_select="mpegaudiodsp"
1456 mpc7_decoder_select="mpegaudiodsp"
1457 mpc8_decoder_select="mpegaudiodsp"
1458 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1459 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1460 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1461 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1462 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1463 mpeg1video_encoder_select="aandct"
1464 mpeg2_crystalhd_decoder_select="crystalhd"
1465 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1466 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1467 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1468 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1469 mpeg2video_encoder_select="aandct"
1470 mpeg4_crystalhd_decoder_select="crystalhd"
1471 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1472 mpeg4_encoder_select="h263_encoder"
1473 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1474 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1475 msmpeg4_crystalhd_decoder_select="crystalhd"
1476 msmpeg4v1_decoder_select="h263_decoder"
1477 msmpeg4v1_encoder_select="h263_encoder"
1478 msmpeg4v2_decoder_select="h263_decoder"
1479 msmpeg4v2_encoder_select="h263_encoder"
1480 msmpeg4v3_decoder_select="h263_decoder"
1481 msmpeg4v3_encoder_select="h263_encoder"
1482 nellymoser_decoder_select="mdct sinewin"
1483 nellymoser_encoder_select="mdct sinewin"
1484 png_decoder_select="zlib"
1485 png_encoder_select="zlib"
1486 qcelp_decoder_select="lsp"
1487 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1488 ra_144_encoder_select="lpc"
1489 ralf_decoder_select="golomb"
1490 rv10_decoder_select="h263_decoder"
1491 rv10_encoder_select="h263_encoder"
1492 rv20_decoder_select="h263_decoder"
1493 rv20_encoder_select="h263_encoder"
1494 rv30_decoder_select="golomb h264chroma h264pred h264qpel"
1495 rv40_decoder_select="golomb h264chroma h264pred h264qpel"
1496 shorten_decoder_select="golomb"
1497 sipr_decoder_select="lsp"
1498 snow_decoder_select="dwt"
1499 snow_encoder_select="aandct dwt"
1500 sonic_decoder_select="golomb"
1501 sonic_encoder_select="golomb"
1502 sonic_ls_encoder_select="golomb"
1503 svq1_encoder_select="aandct"
1504 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1505 svq3_decoder_suggest="zlib"
1506 theora_decoder_select="vp3_decoder"
1507 tiff_decoder_suggest="zlib"
1508 tiff_encoder_suggest="zlib"
1509 truehd_decoder_select="mlp_decoder"
1510 tscc_decoder_select="zlib"
1511 twinvq_decoder_select="mdct lsp sinewin"
1512 vc1_crystalhd_decoder_select="crystalhd"
1513 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1514 vc1_dxva2_hwaccel_deps="dxva2api_h"
1515 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1516 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1517 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1518 vc1image_decoder_select="vc1_decoder"
1519 vorbis_decoder_select="mdct"
1520 vorbis_encoder_select="mdct"
1521 vp6_decoder_select="huffman"
1522 vp6a_decoder_select="vp6_decoder"
1523 vp6f_decoder_select="vp6_decoder"
1524 vp8_decoder_select="h264pred h264qpel"
1525 wmapro_decoder_select="mdct sinewin"
1526 wmav1_decoder_select="mdct sinewin"
1527 wmav1_encoder_select="mdct sinewin"
1528 wmav2_decoder_select="mdct sinewin"
1529 wmav2_encoder_select="mdct sinewin"
1530 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1531 wmv1_decoder_select="h263_decoder"
1532 wmv1_encoder_select="h263_encoder"
1533 wmv2_decoder_select="h263_decoder"
1534 wmv2_encoder_select="h263_encoder"
1535 wmv3_decoder_select="vc1_decoder"
1536 wmv3_crystalhd_decoder_select="crystalhd"
1537 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1538 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1539 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1540 wmv3image_decoder_select="wmv3_decoder"
1541 zerocodec_decoder_select="zlib"
1542 zlib_decoder_select="zlib"
1543 zlib_encoder_select="zlib"
1544 zmbv_decoder_select="zlib"
1545 zmbv_encoder_select="zlib"
1546
1547 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1548 vaapi_deps="va_va_h"
1549 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1550 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1551
1552 # parsers
1553 h264_parser_select="golomb h264dsp h264pred"
1554
1555 # external libraries
1556 libaacplus_encoder_deps="libaacplus"
1557 libcelt_decoder_deps="libcelt"
1558 libfaac_encoder_deps="libfaac"
1559 libgsm_decoder_deps="libgsm"
1560 libgsm_encoder_deps="libgsm"
1561 libgsm_ms_decoder_deps="libgsm"
1562 libgsm_ms_encoder_deps="libgsm"
1563 libmodplug_demuxer_deps="libmodplug"
1564 libmp3lame_encoder_deps="libmp3lame"
1565 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1566 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1567 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1568 libopenjpeg_decoder_deps="libopenjpeg"
1569 libopenjpeg_encoder_deps="libopenjpeg"
1570 libschroedinger_decoder_deps="libschroedinger"
1571 libschroedinger_encoder_deps="libschroedinger"
1572 libspeex_decoder_deps="libspeex"
1573 libspeex_encoder_deps="libspeex"
1574 libstagefright_h264_decoder_deps="libstagefright_h264"
1575 libtheora_encoder_deps="libtheora"
1576 libvo_aacenc_encoder_deps="libvo_aacenc"
1577 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1578 libvorbis_encoder_deps="libvorbis"
1579 libvpx_decoder_deps="libvpx"
1580 libvpx_encoder_deps="libvpx"
1581 libx264_encoder_deps="libx264"
1582 libx264rgb_encoder_deps="libx264"
1583 libxavs_encoder_deps="libxavs"
1584 libxvid_encoder_deps="libxvid"
1585 libutvideo_decoder_deps="libutvideo"
1586 libutvideo_encoder_deps="libutvideo"
1587
1588 # demuxers / muxers
1589 ac3_demuxer_select="ac3_parser"
1590 asf_stream_muxer_select="asf_muxer"
1591 avisynth_demuxer_deps="avisynth"
1592 dirac_demuxer_select="dirac_parser"
1593 eac3_demuxer_select="ac3_parser"
1594 flac_demuxer_select="flac_parser"
1595 ipod_muxer_select="mov_muxer"
1596 libnut_demuxer_deps="libnut"
1597 libnut_muxer_deps="libnut"
1598 matroska_audio_muxer_select="matroska_muxer"
1599 matroska_demuxer_suggest="zlib bzlib"
1600 mov_demuxer_suggest="zlib"
1601 mp3_demuxer_select="mpegaudio_parser"
1602 mp4_muxer_select="mov_muxer"
1603 mpegtsraw_demuxer_select="mpegts_demuxer"
1604 mxf_d10_muxer_select="mxf_muxer"
1605 ogg_demuxer_select="golomb"
1606 psp_muxer_select="mov_muxer"
1607 rtp_demuxer_select="sdp_demuxer"
1608 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1609 rtsp_demuxer_select="http_protocol rtpdec"
1610 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1611 sap_demuxer_select="sdp_demuxer"
1612 sap_muxer_select="rtp_muxer rtp_protocol"
1613 sdp_demuxer_select="rtpdec"
1614 spdif_muxer_select="aac_parser"
1615 tg2_muxer_select="mov_muxer"
1616 tgp_muxer_select="mov_muxer"
1617 w64_demuxer_deps="wav_demuxer"
1618
1619 # indevs / outdevs
1620 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1621 alsa_outdev_deps="alsa_asoundlib_h"
1622 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1623 dshow_indev_deps="IBaseFilter"
1624 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1625 dv1394_indev_deps="dv1394 dv_demuxer"
1626 fbdev_indev_deps="linux_fb_h"
1627 jack_indev_deps="jack_jack_h sem_timedwait"
1628 lavfi_indev_deps="avfilter"
1629 libcdio_indev_deps="libcdio"
1630 libdc1394_indev_deps="libdc1394"
1631 libv4l2_indev_deps="libv4l2"
1632 openal_indev_deps="openal"
1633 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1634 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1635 pulse_indev_deps="libpulse"
1636 sdl_outdev_deps="sdl"
1637 sndio_indev_deps="sndio_h"
1638 sndio_outdev_deps="sndio_h"
1639 v4l_indev_deps="linux_videodev_h"
1640 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1641 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1642 vfwcap_indev_extralibs="-lavicap32"
1643 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1644
1645 # protocols
1646 bluray_protocol_deps="libbluray"
1647 gopher_protocol_deps="network"
1648 httpproxy_protocol_deps="network"
1649 httpproxy_protocol_select="tcp_protocol"
1650 http_protocol_deps="network"
1651 http_protocol_select="tcp_protocol"
1652 https_protocol_select="tls_protocol"
1653 librtmp_protocol_deps="librtmp"
1654 librtmpe_protocol_deps="librtmp"
1655 librtmps_protocol_deps="librtmp"
1656 librtmpt_protocol_deps="librtmp"
1657 librtmpte_protocol_deps="librtmp"
1658 mmsh_protocol_select="http_protocol"
1659 mmst_protocol_deps="network"
1660 rtmp_protocol_deps="!librtmp_protocol"
1661 rtmp_protocol_select="tcp_protocol"
1662 rtp_protocol_select="udp_protocol"
1663 tcp_protocol_deps="network"
1664 tls_protocol_deps_any="openssl gnutls"
1665 tls_protocol_select="tcp_protocol"
1666 udp_protocol_deps="network"
1667
1668 # filters
1669 aconvert_filter_deps="swresample"
1670 amovie_filter_deps="avcodec avformat"
1671 aresample_filter_deps="swresample"
1672 ass_filter_deps="libass"
1673 blackframe_filter_deps="gpl"
1674 boxblur_filter_deps="gpl"
1675 colormatrix_filter_deps="gpl"
1676 cropdetect_filter_deps="gpl"
1677 delogo_filter_deps="gpl"
1678 drawtext_filter_deps="libfreetype"
1679 frei0r_filter_deps="frei0r dlopen"
1680 frei0r_filter_extralibs='$ldl'
1681 frei0r_src_filter_deps="frei0r dlopen"
1682 frei0r_src_filter_extralibs='$ldl'
1683 hqdn3d_filter_deps="gpl"
1684 movie_filter_deps="avcodec avformat"
1685 mp_filter_deps="gpl avcodec swscale postproc"
1686 mptestsrc_filter_deps="gpl"
1687 negate_filter_deps="lut_filter"
1688 ocv_filter_deps="libopencv"
1689 pan_filter_deps="swresample"
1690 removelogo_filter_deps="avcodec avformat swscale"
1691 scale_filter_deps="swscale"
1692 super2xsai_filter_deps="gpl"
1693 tinterlace_filter_deps="gpl"
1694 yadif_filter_deps="gpl"
1695
1696 # libraries
1697 avdevice_deps="avcodec avformat"
1698 avformat_deps="avcodec"
1699 postproc_deps="gpl"
1700
1701 # programs
1702 ffplay_deps="avcodec avformat swscale swresample sdl"
1703 ffplay_select="buffersink_filter rdft"
1704 ffprobe_deps="avcodec avformat"
1705 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1706 ffserver_extralibs='$ldl'
1707 ffmpeg_deps="avcodec avfilter avformat swscale swresample"
1708 ffmpeg_select="buffersink_filter"
1709
1710 doc_deps="texi2html"
1711
1712 # tests
1713
1714 test_deps(){
1715     suf1=$1
1716     suf2=$2
1717     shift 2
1718     for v; do
1719         dep=${v%=*}
1720         tests=${v#*=}
1721         for name in ${tests}; do
1722             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1723         done
1724     done
1725 }
1726
1727 mxf_d10_test_deps="avfilter"
1728 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1729
1730 test_deps _encoder _decoder                                             \
1731     adpcm_ima_qt                                                        \
1732     adpcm_ima_wav                                                       \
1733     adpcm_ms                                                            \
1734     adpcm_swf                                                           \
1735     adpcm_yamaha=adpcm_yam                                              \
1736     alac                                                                \
1737     asv1                                                                \
1738     asv2                                                                \
1739     bmp                                                                 \
1740     dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1741     dvvideo="dv dv_411 dv50"                                            \
1742     ffv1                                                                \
1743     flac                                                                \
1744     flashsv                                                             \
1745     flv                                                                 \
1746     adpcm_g726=g726                                                     \
1747     gif                                                                 \
1748     h261                                                                \
1749     h263="h263 h263p"                                                   \
1750     huffyuv                                                             \
1751     jpegls                                                              \
1752     mjpeg="jpg mjpeg ljpeg"                                             \
1753     mp2                                                                 \
1754     mpeg1video="mpeg mpeg1b"                                            \
1755     mpeg2video="mpeg2 mpeg2_422 mpeg2_idct_int mpeg2_ilace mpeg2_ivlc_qprd" \
1756     mpeg2video="mpeg2thread mpeg2thread_ilace"                          \
1757     mpeg4="mpeg4 mpeg4_adap mpeg4_qpel mpeg4_qprd mpeg4adv mpeg4nr"     \
1758     mpeg4="mpeg4thread error rc"                                        \
1759     msmpeg4v3=msmpeg4                                                   \
1760     msmpeg4v2                                                           \
1761     pbm=pbmpipe                                                         \
1762     pcx                                                                 \
1763     pgm="pgm pgmpipe"                                                   \
1764     png                                                                 \
1765     ppm="ppm ppmpipe"                                                   \
1766     rawvideo="rgb yuv"                                                  \
1767     roq                                                                 \
1768     rv10                                                                \
1769     rv20                                                                \
1770     sgi                                                                 \
1771     snow="snow snowll"                                                  \
1772     svq1                                                                \
1773     targa=tga                                                           \
1774     tiff                                                                \
1775     wmav1                                                               \
1776     wmav2                                                               \
1777     wmv1                                                                \
1778     wmv2                                                                \
1779
1780 test_deps _muxer _demuxer                                               \
1781     aiff                                                                \
1782     pcm_alaw=alaw                                                       \
1783     asf                                                                 \
1784     au                                                                  \
1785     avi                                                                 \
1786     dv=dv_fmt                                                           \
1787     ffm                                                                 \
1788     flv=flv_fmt                                                         \
1789     gxf                                                                 \
1790     matroska=mkv                                                        \
1791     mmf                                                                 \
1792     mov="mov ismv"                                                      \
1793     pcm_mulaw=mulaw                                                     \
1794     mxf="mxf mxf_d10"                                                   \
1795     nut                                                                 \
1796     ogg="ogg ogg_vp3"                                                   \
1797     rawvideo=pixfmt                                                     \
1798     rm                                                                  \
1799     swf                                                                 \
1800     mpegts=ts                                                           \
1801     voc                                                                 \
1802     wav                                                                 \
1803     yuv4mpegpipe=yuv4mpeg                                               \
1804
1805 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder"
1806 colormatrix1_test_deps="colormatrix_filter"
1807 colormatrix2_test_deps="colormatrix_filter"
1808 flashsv2_test_deps="zlib"
1809 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1810 mpng_test_deps="zlib"
1811 pp_test_deps="mp_filter"
1812 pp2_test_deps="mp_filter"
1813 pp3_test_deps="mp_filter"
1814 pp4_test_deps="mp_filter"
1815 pp5_test_deps="mp_filter"
1816 pp6_test_deps="mp_filter"
1817 zlib_test_deps="zlib"
1818 zmbv_test_deps="zlib"
1819
1820 # default parameters
1821
1822 logfile="config.log"
1823
1824 # installation paths
1825 prefix_default="/usr/local"
1826 bindir_default='${prefix}/bin'
1827 datadir_default='${prefix}/share/ffmpeg'
1828 incdir_default='${prefix}/include'
1829 libdir_default='${prefix}/lib'
1830 mandir_default='${prefix}/share/man'
1831 shlibdir_default="$libdir_default"
1832 postproc_version_default="current"
1833
1834 # toolchain
1835 ar_default="ar"
1836 cc_default="gcc"
1837 cxx_default="g++"
1838 cc_version=\"unknown\"
1839 host_cc_default="gcc"
1840 install="install"
1841 ln_s="ln -sf"
1842 nm_default="nm"
1843 objformat="elf"
1844 pkg_config_default=pkg-config
1845 ranlib="ranlib"
1846 strip_default="strip"
1847 yasmexe_default="yasm"
1848
1849 nm_opts='-g'
1850 nogas=":"
1851
1852 # machine
1853 arch_default=$(uname -m)
1854 cpu="generic"
1855
1856 # OS
1857 target_os_default=$(tolower $(uname -s))
1858 host_os=$target_os_default
1859
1860 # alternative libpostproc version
1861 ALT_PP_VER_MAJOR=51
1862 ALT_PP_VER_MINOR=2
1863 ALT_PP_VER_MICRO=101
1864 ALT_PP_VER=$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO
1865
1866 # configurable options
1867 enable $PROGRAM_LIST
1868
1869 enable avcodec
1870 enable avdevice
1871 enable avfilter
1872 enable avformat
1873 enable avutil
1874 enable postproc
1875 enable stripping
1876 enable swresample
1877 enable swscale
1878
1879 enable asm
1880 enable debug
1881 enable doc
1882 enable fastdiv
1883 enable network
1884 enable optimizations
1885 enable safe_bitstream_reader
1886 enable static
1887 enable swscale_alpha
1888
1889 # build settings
1890 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1891 FFSERVERLDFLAGS=-Wl,-E
1892 LIBPREF="lib"
1893 LIBSUF=".a"
1894 FULLNAME='$(NAME)$(BUILDSUF)'
1895 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1896 SLIBPREF="lib"
1897 SLIBSUF=".so"
1898 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1899 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1900 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1901 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1902 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1903 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1904
1905 AS_O='-o $@'
1906 CC_O='-o $@'
1907 CXX_O='-o $@'
1908
1909 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1910 host_libs='-lm'
1911
1912 target_path='$(CURDIR)'
1913
1914 # since the object filename is not given with the -MM flag, the compiler
1915 # is only able to print the basename, and we must add the path ourselves
1916 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1917 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1918
1919 # find source path
1920 if test -f configure; then
1921     source_path=.
1922 else
1923     source_path=$(cd $(dirname "$0"); pwd)
1924     echo "$source_path" | grep -q '[[:blank:]]' &&
1925         die "Out of tree builds are impossible with whitespace in source path."
1926     test -e "$source_path/config.h" &&
1927         die "Out of tree builds are impossible with config.h in source dir."
1928 fi
1929
1930 for v in "$@"; do
1931     r=${v#*=}
1932     l=${v%"$r"}
1933     r=$(sh_quote "$r")
1934     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1935 done
1936
1937 find_things(){
1938     thing=$1
1939     pattern=$2
1940     file=$source_path/$3
1941     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1942 }
1943
1944 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1945 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1946 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1947 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1948 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1949 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1950 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1951 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1952 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1953 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1954 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1955
1956 ALL_COMPONENTS="
1957     $BSF_LIST
1958     $DECODER_LIST
1959     $DEMUXER_LIST
1960     $ENCODER_LIST
1961     $FILTER_LIST
1962     $HWACCEL_LIST
1963     $INDEV_LIST
1964     $MUXER_LIST
1965     $OUTDEV_LIST
1966     $PARSER_LIST
1967     $PROTOCOL_LIST
1968 "
1969
1970 find_tests(){
1971     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1972 }
1973
1974 ACODEC_TESTS=$(find_tests acodec)
1975 VCODEC_TESTS=$(find_tests vsynth1)
1976 LAVF_FATE_TESTS=$(find_tests lavf-fate)
1977 LAVF_TESTS=$(find_tests lavf)
1978 LAVFI_TESTS=$(find_tests lavfi)
1979 SEEK_TESTS=$(find_tests seek seek_)
1980
1981 ALL_TESTS="$ACODEC_TESTS $VCODEC_TESTS $LAVF_FATE_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1982
1983 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1984
1985 for n in $COMPONENT_LIST; do
1986     v=$(toupper ${n%s})_LIST
1987     eval enable \$$v
1988     eval ${n}_if_any="\$$v"
1989 done
1990
1991 enable $ARCH_EXT_LIST $ALL_TESTS
1992
1993 die_unknown(){
1994     echo "Unknown option \"$1\"."
1995     echo "See $0 --help for available options."
1996     exit 1
1997 }
1998
1999 show_list() {
2000     suffix=_$1
2001     shift
2002     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
2003     exit 0
2004 }
2005
2006 for opt do
2007     optval="${opt#*=}"
2008     case "$opt" in
2009     --extra-ldflags=*) add_ldflags $optval
2010     ;;
2011     --extra-libs=*) add_extralibs $optval
2012     ;;
2013     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
2014     ;;
2015     --enable-debug=*) debuglevel="$optval"
2016     ;;
2017     --disable-everything)
2018     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2019     ;;
2020     --enable-*=*|--disable-*=*)
2021     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2022     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2023     eval list=\$$(toupper $thing)_LIST
2024     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2025     $action $(filter "$name" $list)
2026     ;;
2027     --enable-?*|--disable-?*)
2028     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2029     if is_in $option $COMPONENT_LIST; then
2030         test $action = disable && action=unset
2031         eval $action \$$(toupper ${option%s})_LIST
2032     elif is_in $option $CMDLINE_SELECT; then
2033         $action $option
2034     else
2035         die_unknown $opt
2036     fi
2037     ;;
2038     --list-*)
2039         NAME="${opt#--list-}"
2040         is_in $NAME $COMPONENT_LIST || die_unknown $opt
2041         NAME=${NAME%s}
2042         eval show_list $NAME \$$(toupper $NAME)_LIST
2043     ;;
2044     --help|-h) show_help
2045     ;;
2046     *)
2047     optname="${opt%%=*}"
2048     optname="${optname#--}"
2049     optname=$(echo "$optname" | sed 's/-/_/g')
2050     if is_in $optname $CMDLINE_SET; then
2051         eval $optname='$optval'
2052     elif is_in $optname $CMDLINE_APPEND; then
2053         append $optname "$optval"
2054     else
2055          die_unknown $opt
2056     fi
2057     ;;
2058     esac
2059 done
2060
2061 disabled logging && logfile=/dev/null
2062
2063 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2064 set >> $logfile
2065
2066 test -n "$cross_prefix" && enable cross_compile
2067
2068 if enabled cross_compile; then
2069     test -n "$arch" && test -n "$target_os" ||
2070         die "Must specify target arch and OS when cross-compiling"
2071 fi
2072
2073 set_default arch target_os postproc_version
2074
2075 # Check if we should build alternative libpostproc version instead of current
2076 if   test "$postproc_version" = $ALT_PP_VER; then
2077   LIBPOSTPROC_VERSION=$ALT_PP_VER
2078   LIBPOSTPROC_VERSION_MAJOR=$ALT_PP_VER_MAJOR
2079   LIBPOSTPROC_VERSION_MINOR=$ALT_PP_VER_MINOR
2080   LIBPOSTPROC_VERSION_MICRO=$ALT_PP_VER_MICRO
2081 elif test "$postproc_version" != current; then
2082   die "Invalid argument to --postproc-version. See --help output."
2083 fi
2084
2085 ar_default="${cross_prefix}${ar_default}"
2086 cc_default="${cross_prefix}${cc_default}"
2087 cxx_default="${cross_prefix}${cxx_default}"
2088 nm_default="${cross_prefix}${nm_default}"
2089 pkg_config_default="${cross_prefix}${pkg_config_default}"
2090 ranlib="${cross_prefix}${ranlib}"
2091 strip_default="${cross_prefix}${strip_default}"
2092
2093 sysinclude_default="${sysroot}/usr/include"
2094
2095 set_default cc cxx nm pkg_config strip sysinclude yasmexe
2096 enabled cross_compile || host_cc_default=$cc
2097 set_default host_cc
2098
2099 if ! $pkg_config --version >/dev/null 2>&1; then
2100     warn "$pkg_config not found, library detection may fail."
2101     pkg_config=false
2102 fi
2103
2104 exesuf() {
2105     case $1 in
2106         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2107     esac
2108 }
2109
2110 EXESUF=$(exesuf $target_os)
2111 HOSTEXESUF=$(exesuf $host_os)
2112
2113 # set temporary file name
2114 : ${TMPDIR:=$TEMPDIR}
2115 : ${TMPDIR:=$TMP}
2116 : ${TMPDIR:=/tmp}
2117
2118 if ! check_cmd mktemp -u XXXXXX; then
2119     # simple replacement for missing mktemp
2120     # NOT SAFE FOR GENERAL USE
2121     mktemp(){
2122         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2123     }
2124 fi
2125
2126 tmpfile(){
2127     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2128         (set -C; exec > $tmp) 2>/dev/null ||
2129         die "Unable to create temporary file in $TMPDIR."
2130     append TMPFILES $tmp
2131     eval $1=$tmp
2132 }
2133
2134 trap 'rm -f -- $TMPFILES' EXIT
2135
2136 tmpfile TMPASM .asm
2137 tmpfile TMPC   .c
2138 tmpfile TMPCPP .cpp
2139 tmpfile TMPE   $EXESUF
2140 tmpfile TMPH   .h
2141 tmpfile TMPO   .o
2142 tmpfile TMPS   .S
2143 tmpfile TMPSH  .sh
2144 tmpfile TMPV   .ver
2145
2146 unset -f mktemp
2147
2148 chmod +x $TMPE
2149
2150 # make sure we can execute files in $TMPDIR
2151 cat > $TMPSH 2>> $logfile <<EOF
2152 #! /bin/sh
2153 EOF
2154 chmod +x $TMPSH >> $logfile 2>&1
2155 if ! $TMPSH >> $logfile 2>&1; then
2156     cat <<EOF
2157 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2158 variable to another directory and make sure that it is not mounted noexec.
2159 EOF
2160     die "Sanity test failed."
2161 fi
2162
2163 filter_asflags=echo
2164 filter_cflags=echo
2165 filter_cppflags=echo
2166
2167 if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2168     cc_type=llvm_gcc
2169     cc_version=__VERSION__
2170     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
2171     cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
2172     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2173     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2174     speed_cflags='-O3'
2175     size_cflags='-Os'
2176 elif $cc -v 2>&1 | grep -qi ^gcc; then
2177     cc_type=gcc
2178     cc_version=__VERSION__
2179     gcc_version=$($cc --version | head -n1)
2180     gcc_basever=$($cc -dumpversion)
2181     gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2182     gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2183     cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2184     if ! $cc -dumpversion | grep -q '^2\.'; then
2185         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2186         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2187     fi
2188     speed_cflags='-O3'
2189     size_cflags='-Os'
2190 elif $cc --version 2>/dev/null | grep -q Intel; then
2191     cc_type=icc
2192     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
2193     cc_ident=$($cc --version | head -n1)
2194     icc_version=$($cc -dumpversion)
2195     CC_DEPFLAGS='-MMD'
2196     AS_DEPFLAGS='-MMD'
2197     speed_cflags='-O3'
2198     size_cflags='-Os'
2199     noopt_cflags='-O1'
2200 elif $cc -v 2>&1 | grep -q xlc; then
2201     cc_type=xlc
2202     cc_version="AV_STRINGIFY(__IBMC__)"
2203     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2204     speed_cflags='-O5'
2205     size_cflags='-O5 -qcompact'
2206 elif $cc -V 2>/dev/null | grep -q Compaq; then
2207     cc_type=ccc
2208     cc_version="AV_STRINGIFY(__DECC_VER)"
2209     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2210     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2211     debuglevel=3
2212     add_ldflags -Wl,-z,now # calls to libots crash without this
2213     speed_cflags='-fast'
2214     size_cflags='-O1'
2215 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2216     test -d "$sysroot" || die "No valid sysroot specified."
2217     cc_type=armcc
2218     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2219     cc_ident=$($cc --vsn | head -n1)
2220     armcc_conf="$PWD/armcc.conf"
2221     $cc --arm_linux_configure                 \
2222         --arm_linux_config_file="$armcc_conf" \
2223         --configure_sysroot="$sysroot"        \
2224         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2225         die "Error creating armcc configuration file."
2226     $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2227     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2228     as_default="${cross_prefix}gcc"
2229     CC_DEPFLAGS='-MMD'
2230     AS_DEPFLAGS='-MMD'
2231     speed_cflags='-O3'
2232     size_cflags='-Os'
2233     filter_asflags="filter_out -W${armcc_opt}*"
2234 elif $cc -version 2>/dev/null | grep -q TMS470; then
2235     cc_type=tms470
2236     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2237     cc_ident=$($cc -version | head -n1 | tr -s ' ')
2238     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2239     CC_O='-fr=$(@D)'
2240     as_default="${cross_prefix}gcc"
2241     ld_default="${cross_prefix}gcc"
2242     TMPO=$(basename $TMPC .c).o
2243     append TMPFILES $TMPO
2244     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2245     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2246     AS_DEPFLAGS='-MMD'
2247     speed_cflags='-O3 -mf=5'
2248     size_cflags='-O3 -mf=2'
2249     filter_cflags=tms470_flags
2250     tms470_flags(){
2251         for flag; do
2252             case $flag in
2253                 -march=*|-mcpu=*)
2254                     case "${flag#*=}" in
2255                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
2256                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
2257                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
2258                         armv6*|arm11*)          echo -mv=6   ;;
2259                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2260                                                 echo -mv=5e  ;;
2261                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2262                     esac
2263                     ;;
2264                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2265                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
2266                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2267                 -msoft-float)   echo --float_support=vfplib       ;;
2268                 -O[0-3]|-mf=*)  echo $flag                        ;;
2269                 -g)             echo -g -mn                       ;;
2270                 -pds=*)         echo $flag                        ;;
2271             esac
2272         done
2273     }
2274 elif $cc -v 2>&1 | grep -q clang; then
2275     cc_type=clang
2276     $cc -dM -E $TMPC | grep -q __clang_version__ &&
2277         cc_version=__clang_version__ || cc_version=__VERSION__
2278     cc_ident=$($cc --version | head -n1)
2279     CC_DEPFLAGS='-MMD'
2280     AS_DEPFLAGS='-MMD'
2281     speed_cflags='-O3'
2282     size_cflags='-Os'
2283 elif $cc -V 2>&1 | grep -q Sun; then
2284     cc_type=suncc
2285     cc_version="AV_STRINGIFY(__SUNPRO_C)"
2286     cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2287     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2288     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2289     add_ldflags -xc99
2290     speed_cflags='-O5'
2291     size_cflags='-O5 -xspace'
2292     filter_cflags=suncc_flags
2293     suncc_flags(){
2294         for flag; do
2295             case $flag in
2296                 -march=*|-mcpu=*)
2297                     case "${flag#*=}" in
2298                         native)                   echo -xtarget=native       ;;
2299                         v9|niagara)               echo -xarch=sparc          ;;
2300                         ultrasparc)               echo -xarch=sparcvis       ;;
2301                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2302                         i586|pentium)             echo -xchip=pentium        ;;
2303                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2304                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2305                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2306                         pentium4*)          echo -xtarget=pentium4           ;;
2307                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2308                         *-sse3)             echo -xarch=sse3                 ;;
2309                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
2310                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2311                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2312                         k8|opteron|athlon64|athlon-fx)
2313                                                   echo -xarch=sse2a          ;;
2314                         athlon*)                  echo -xarch=pentium_proa   ;;
2315                     esac
2316                     ;;
2317                 -std=c99)             echo -xc99              ;;
2318                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
2319                 -fPIC)                echo -KPIC -xcode=pic32 ;;
2320                 -W*,*)                echo $flag              ;;
2321                 -f*-*|-W*)                                    ;;
2322                 *)                    echo $flag              ;;
2323             esac
2324         done
2325     }
2326 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2327     cc_type=pathscale
2328     cc_version=__PATHSCALE__
2329     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2330     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2331     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2332     speed_cflags='-O2'
2333     size_cflags='-Os'
2334     filter_cflags='filter_out -Wdisabled-optimization'
2335 elif $cc -v 2>&1 | grep -q Open64; then
2336     cc_type=open64
2337     cc_version=__OPEN64__
2338     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2339     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2340     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2341     speed_cflags='-O2'
2342     size_cflags='-Os'
2343     filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2344 elif $cc -V 2>&1 | grep -q Portland; then
2345     cc_type=pgi
2346     cc_version='AV_STRINGIFY(__PGIC__.__PGIC_MINOR__.__PGIC_PATCHLEVEL__)'
2347     cc_ident="PGI $($cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2348     opt_common='-alias=ansi -Mlre -Mpre'
2349     speed_cflags="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2350     size_cflags="-O2 -Munroll=c:1 $opt_common"
2351     noopt_cflags="-O1"
2352     filter_cflags=pgi_flags
2353     pgi_flags(){
2354         for flag; do
2355             case $flag in
2356                 -fomit-frame-pointer) echo -Mnoframe ;;
2357                 -g)                   echo -gopt ;;
2358                 *)                    echo $flag ;;
2359             esac
2360         done
2361     }
2362 fi
2363
2364 test -n "$cc_type" && enable $cc_type ||
2365     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2366
2367 : ${as_default:=$cc}
2368 : ${dep_cc_default:=$cc}
2369 : ${ld_default:=$cc}
2370 set_default ar as dep_cc ld
2371
2372 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2373 test -n "$CXX_DEPFLAGS" || CXXDEP=$DEPEND_CMD
2374 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2375
2376 add_cflags $extra_cflags
2377 add_cxxflags $extra_cxxflags
2378 add_asflags $extra_cflags
2379
2380 if test -n "$sysroot"; then
2381     case "$cc_type" in
2382         gcc|llvm_gcc|clang)
2383             add_cppflags --sysroot="$sysroot"
2384             add_ldflags --sysroot="$sysroot"
2385         ;;
2386         tms470)
2387             add_cppflags -I"$sysinclude"
2388             add_ldflags  --sysroot="$sysroot"
2389         ;;
2390     esac
2391 fi
2392
2393 if test "$cpu" = host; then
2394     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2395
2396     case "$cc_type" in
2397         gcc|llvm_gcc)
2398             check_native(){
2399                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2400                 sed -n "/cc1.*$1=/{
2401                             s/.*$1=\\([^ ]*\\).*/\\1/
2402                             p
2403                             q
2404                         }" $TMPE
2405             }
2406             cpu=$(check_native -march || check_native -mcpu)
2407         ;;
2408     esac
2409
2410     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2411 fi
2412
2413 # Deal with common $arch aliases
2414 case "$arch" in
2415     arm*|iPad*)
2416         arch="arm"
2417     ;;
2418     mips|mipsel|IP*)
2419         arch="mips"
2420     ;;
2421     mips64*)
2422         arch="mips"
2423         subarch="mips64"
2424     ;;
2425     parisc|hppa)
2426         arch="parisc"
2427     ;;
2428     parisc64|hppa64)
2429         arch="parisc"
2430         subarch="parisc64"
2431     ;;
2432     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2433         arch="ppc"
2434     ;;
2435     s390|s390x)
2436         arch="s390"
2437     ;;
2438     sh4|sh)
2439         arch="sh4"
2440     ;;
2441     sun4u|sparc64)
2442         arch="sparc"
2443         subarch="sparc64"
2444     ;;
2445     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2446         arch="x86"
2447     ;;
2448 esac
2449
2450 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2451 enable $arch
2452
2453 # Add processor-specific flags
2454 if test "$cpu" = generic; then
2455     : do nothing
2456 elif enabled ppc; then
2457
2458     case $(tolower $cpu) in
2459         601|ppc601|powerpc601)
2460             cpuflags="-mcpu=601"
2461             disable altivec
2462         ;;
2463         603*|ppc603*|powerpc603*)
2464             cpuflags="-mcpu=603"
2465             disable altivec
2466         ;;
2467         604*|ppc604*|powerpc604*)
2468             cpuflags="-mcpu=604"
2469             disable altivec
2470         ;;
2471         g3|75*|ppc75*|powerpc75*)
2472             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2473             disable altivec
2474         ;;
2475         g4|745*|ppc745*|powerpc745*)
2476             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2477         ;;
2478         74*|ppc74*|powerpc74*)
2479             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2480         ;;
2481         g5|970|ppc970|powerpc970|power4*)
2482             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2483         ;;
2484         cell)
2485             cpuflags="-mcpu=cell"
2486             enable ldbrx
2487         ;;
2488         e500v2)
2489             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2490             disable altivec
2491         ;;
2492         e500)
2493             cpuflags="-mcpu=8540 -mhard-float"
2494             disable altivec
2495         ;;
2496     esac
2497
2498 elif enabled x86; then
2499
2500     case $cpu in
2501         i[345]86|pentium)
2502             cpuflags="-march=$cpu"
2503             disable mmx
2504         ;;
2505         # targets that do NOT support conditional mov (cmov)
2506         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2507             cpuflags="-march=$cpu"
2508             disable cmov
2509         ;;
2510         # targets that do support conditional mov (cmov)
2511         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2512             cpuflags="-march=$cpu"
2513             enable cmov
2514             enable fast_cmov
2515         ;;
2516         # targets that do support conditional mov but on which it's slow
2517         pentium4|pentium4m|prescott|nocona)
2518             cpuflags="-march=$cpu"
2519             enable cmov
2520             disable fast_cmov
2521         ;;
2522     esac
2523
2524 elif enabled sparc; then
2525
2526     case $cpu in
2527         niagara)
2528             cpuflags="-mcpu=$cpu"
2529             disable vis
2530         ;;
2531         sparc64)
2532             cpuflags="-mcpu=v9"
2533         ;;
2534     esac
2535
2536 elif enabled arm; then
2537
2538     case $cpu in
2539         armv*)
2540             cpuflags="-march=$cpu"
2541             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2542         ;;
2543         *)
2544             cpuflags="-mcpu=$cpu"
2545             case $cpu in
2546                 cortex-a*)                               subarch=armv7a  ;;
2547                 cortex-r*)                               subarch=armv7r  ;;
2548                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2549                 arm11*)                                  subarch=armv6   ;;
2550                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2551                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2552             esac
2553         ;;
2554     esac
2555
2556 elif enabled alpha; then
2557
2558     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2559
2560 elif enabled bfin; then
2561
2562     cpuflags="-mcpu=$cpu"
2563
2564 elif enabled mips; then
2565
2566     cpuflags="-march=$cpu"
2567
2568 elif enabled avr32; then
2569
2570     case $cpu in
2571         ap7[02]0[0-2])
2572             subarch="avr32_ap"
2573             cpuflags="-mpart=$cpu"
2574         ;;
2575         ap)
2576             subarch="avr32_ap"
2577             cpuflags="-march=$cpu"
2578         ;;
2579         uc3[ab]*)
2580             subarch="avr32_uc"
2581             cpuflags="-mcpu=$cpu"
2582         ;;
2583         uc)
2584             subarch="avr32_uc"
2585             cpuflags="-march=$cpu"
2586         ;;
2587     esac
2588
2589 fi
2590
2591 add_cflags $cpuflags
2592 add_asflags $cpuflags
2593
2594 # compiler sanity check
2595 check_exec <<EOF
2596 int main(void){ return 0; }
2597 EOF
2598 if test "$?" != 0; then
2599     echo "$cc is unable to create an executable file."
2600     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2601         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2602         echo "Only do this if you know what cross compiling means."
2603     fi
2604     die "C compiler test failed."
2605 fi
2606
2607 add_cppflags -D_ISOC99_SOURCE
2608 add_cxxflags -D__STDC_CONSTANT_MACROS
2609 check_cflags -std=c99
2610 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2611 #include <stdlib.h>
2612 EOF
2613 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2614 #include <stdlib.h>
2615 EOF
2616
2617 check_host_cflags -std=c99
2618 check_host_cflags -Wall
2619
2620 case "$arch" in
2621     alpha|ia64|mips|parisc|sparc)
2622         spic=$shared
2623     ;;
2624     x86)
2625         subarch="x86_32"
2626         check_cc <<EOF && subarch="x86_64"
2627         int test[(int)sizeof(char*) - 7];
2628 EOF
2629         if test "$subarch" = "x86_64"; then
2630             spic=$shared
2631         fi
2632     ;;
2633     ppc)
2634         check_cc <<EOF && subarch="ppc64"
2635         int test[(int)sizeof(char*) - 7];
2636 EOF
2637     ;;
2638 esac
2639
2640 enable $subarch
2641 enabled spic && enable pic
2642
2643 # OS specific
2644 case $target_os in
2645     haiku)
2646         prefix_default="/boot/common"
2647         network_extralibs="-lnetwork"
2648         host_libs=
2649         ;;
2650     sunos)
2651         FFSERVERLDFLAGS=""
2652         SHFLAGS='-shared -Wl,-h,$$(@F)'
2653         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2654         network_extralibs="-lsocket -lnsl"
2655         add_cppflags -D__EXTENSIONS__
2656         # When using suncc to build, the Solaris linker will mark
2657         # an executable with each instruction set encountered by
2658         # the Solaris assembler.  As our libraries contain their own
2659         # guards for processor-specific code, instead suppress
2660         # generation of the HWCAPS ELF section on Solaris x86 only.
2661         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2662         nm_opts='-P -g'
2663         ;;
2664     netbsd)
2665         disable symver
2666         oss_indev_extralibs="-lossaudio"
2667         oss_outdev_extralibs="-lossaudio"
2668         ;;
2669     openbsd)
2670         enable malloc_aligned
2671         # On OpenBSD 4.5. the compiler does not use PIC unless
2672         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2673         # however the generated executable will not do anything
2674         # (simply quits with exit-code 1, no crash, no output).
2675         # Thus explicitly enable PIC here.
2676         enable pic
2677         disable symver
2678         SHFLAGS='-shared'
2679         oss_indev_extralibs="-lossaudio"
2680         oss_outdev_extralibs="-lossaudio"
2681         ;;
2682     dragonfly)
2683         enable malloc_aligned
2684         disable symver
2685         ;;
2686     freebsd)
2687         enable malloc_aligned
2688         ;;
2689     bsd/os)
2690         add_extralibs -lpoll -lgnugetopt
2691         strip="strip -d"
2692         ;;
2693     darwin)
2694         enable malloc_aligned
2695         gas="gas-preprocessor.pl $cc"
2696         enabled ppc && add_asflags -force_cpusubtype_ALL
2697         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2698         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2699         strip="${strip} -x"
2700         add_ldflags -Wl,-dynamic,-search_paths_first
2701         SLIBSUF=".dylib"
2702         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2703         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2704         FFSERVERLDFLAGS=-Wl,-bind_at_load
2705         objformat="macho"
2706         enabled x86_64 && objformat="macho64"
2707         enabled_any pic shared ||
2708             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2709         ;;
2710     mingw32*)
2711         if test $target_os = "mingw32ce"; then
2712             disable network
2713         else
2714             target_os=mingw32
2715         fi
2716         LIBTARGET=i386
2717         if enabled x86_64; then
2718             enable malloc_aligned
2719             LIBTARGET=x64
2720         elif enabled arm; then
2721             LIBTARGET=arm-wince
2722         fi
2723         shlibdir_default="$bindir_default"
2724         SLIBPREF=""
2725         SLIBSUF=".dll"
2726         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2727         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2728         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2729         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2730         SLIB_INSTALL_LINKS=
2731         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2732         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2733         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'
2734         objformat="win32"
2735         enable dos_paths
2736         check_cflags -fno-common
2737         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2738                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2739                 die "ERROR: MinGW runtime version must be >= 3.15."
2740         add_cppflags -U__STRICT_ANSI__
2741         ;;
2742     cygwin*)
2743         target_os=cygwin
2744         shlibdir_default="$bindir_default"
2745         SLIBPREF="cyg"
2746         SLIBSUF=".dll"
2747         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2748         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2749         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2750         objformat="win32"
2751         enable dos_paths
2752         check_cflags -fno-common
2753         add_cppflags -U__STRICT_ANSI__
2754         ;;
2755     *-dos|freedos|opendos)
2756         network_extralibs="-lsocket"
2757         objformat="coff"
2758         enable dos_paths
2759         add_cppflags -U__STRICT_ANSI__
2760         ;;
2761     linux)
2762         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2763         enable dv1394
2764         ;;
2765     irix*)
2766         target_os=irix
2767         ranlib="echo ignoring ranlib"
2768         ;;
2769     os/2*)
2770         strip="lxlite -CS"
2771         ln_s="cp -f"
2772         objformat="aout"
2773         add_cppflags -D_GNU_SOURCE
2774         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2775         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2776         FFSERVERLDFLAGS=""
2777         LIBSUF="_s.a"
2778         SLIBPREF=""
2779         SLIBSUF=".dll"
2780         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2781         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2782         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2783           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2784           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2785           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2786           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2787           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2788         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2789           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2790         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2791         enable dos_paths
2792         enable_weak os2threads
2793         ;;
2794     gnu/kfreebsd)
2795         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2796         ;;
2797     gnu)
2798         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2799         ;;
2800     qnx)
2801         add_cppflags -D_QNX_SOURCE
2802         network_extralibs="-lsocket"
2803         ;;
2804     symbian)
2805         SLIBSUF=".dll"
2806         enable dos_paths
2807         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2808         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2809         add_ldflags -Wl,--target1-abs,--no-undefined \
2810                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2811                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2812         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2813                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2814                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2815         ;;
2816     none)
2817         ;;
2818     *)
2819         die "Unknown OS '$target_os'."
2820         ;;
2821 esac
2822
2823 esc(){
2824     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
2825 }
2826
2827 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
2828
2829 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2830
2831 set_default $PATHS_LIST
2832
2833 # we need to build at least one lib type
2834 if ! enabled_any static shared; then
2835     cat <<EOF
2836 At least one library type must be built.
2837 Specify --enable-static to build the static libraries or --enable-shared to
2838 build the shared libraries as well. To only build the shared libraries specify
2839 --disable-static in addition to --enable-shared.
2840 EOF
2841     exit 1;
2842 fi
2843
2844 die_license_disabled() {
2845     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2846 }
2847
2848 die_license_disabled gpl libcdio
2849 die_license_disabled gpl libutvideo
2850 die_license_disabled gpl libx264
2851 die_license_disabled gpl libxavs
2852 die_license_disabled gpl libxvid
2853 die_license_disabled gpl x11grab
2854
2855 die_license_disabled nonfree libaacplus
2856 die_license_disabled nonfree libfaac
2857 die_license_disabled nonfree openssl
2858
2859 die_license_disabled version3 libopencore_amrnb
2860 die_license_disabled version3 libopencore_amrwb
2861 die_license_disabled version3 libvo_aacenc
2862 die_license_disabled version3 libvo_amrwbenc
2863
2864 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2865
2866 disabled optimizations || check_cflags -fomit-frame-pointer
2867
2868 enable_pic() {
2869     enable pic
2870     add_cppflags -DPIC
2871     add_cflags   -fPIC
2872     add_asflags  -fPIC
2873 }
2874
2875 enabled pic && enable_pic
2876
2877 check_cc <<EOF || die "Symbol mangling check failed."
2878 int ff_extern;
2879 EOF
2880 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2881 extern_prefix=${sym%%ff_extern*}
2882
2883 check_cc <<EOF && enable inline_asm
2884 void foo(void) { __asm__ volatile ("" ::); }
2885 EOF
2886
2887 _restrict=
2888 for restrict_keyword in restrict __restrict__ __restrict; do
2889     check_cc <<EOF && _restrict=$restrict_keyword && break
2890 void foo(char * $restrict_keyword p);
2891 EOF
2892 done
2893
2894 check_cc <<EOF && enable attribute_packed
2895 struct { int x; } __attribute__((packed)) x;
2896 EOF
2897
2898 check_cc <<EOF && enable attribute_may_alias
2899 union { int x; } __attribute__((may_alias)) x;
2900 EOF
2901
2902 check_cc <<EOF || die "endian test failed"
2903 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2904 EOF
2905 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2906
2907 if enabled alpha; then
2908
2909     check_cflags -mieee
2910
2911 elif enabled arm; then
2912
2913     enabled thumb && check_cflags -mthumb || check_cflags -marm
2914     nogas=die
2915
2916     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2917         enable vfp_args
2918     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2919         case "${cross_prefix:-$cc}" in
2920             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2921             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2922 __asm__ (".eabi_attribute 28, 1");
2923 int main(void) { return 0; }
2924 EOF
2925         esac
2926         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2927     fi
2928
2929     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2930     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2931     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2932     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2933     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2934     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
2935
2936     check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2937
2938     enabled_all armv6t2 shared !pic && enable_pic
2939
2940 elif enabled mips; then
2941
2942     check_asm loongson '"dmult.g $1, $2, $3"'
2943     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2944
2945 elif enabled ppc; then
2946
2947     enable local_aligned_8 local_aligned_16
2948
2949     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2950     check_asm ibm_asm   '"add 0, 0, 0"'
2951     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2952     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2953
2954     # AltiVec flags: The FSF version of GCC differs from the Apple version
2955     if enabled altivec; then
2956         nogas=warn
2957         check_cflags -maltivec -mabi=altivec &&
2958         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2959         check_cflags -faltivec
2960
2961         # check if our compiler supports Motorola AltiVec C API
2962         check_cc <<EOF || disable altivec
2963 $inc_altivec_h
2964 int main(void) {
2965     vector signed int v1, v2, v3;
2966     v1 = vec_add(v2,v3);
2967     return 0;
2968 }
2969 EOF
2970
2971         # check if our compiler supports braces for vector declarations
2972         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2973 $inc_altivec_h
2974 int main (void) { (vector int) {1}; return 0; }
2975 EOF
2976     fi
2977
2978 elif enabled sparc; then
2979
2980     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2981         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2982
2983 elif enabled x86; then
2984
2985     enable local_aligned_8 local_aligned_16
2986
2987     # check whether EBP is available on x86
2988     # As 'i' is stored on the stack, this program will crash
2989     # if the base pointer is used to access it because the
2990     # base pointer is cleared in the inline assembly code.
2991     check_exec_crash <<EOF && enable ebp_available
2992     volatile int i=0;
2993     __asm__ volatile (
2994         "xorl %%ebp, %%ebp"
2995     ::: "%ebp");
2996     return i;
2997 EOF
2998
2999     # check whether EBX is available on x86
3000     check_asm ebx_available '""::"b"(0)' &&
3001         check_asm ebx_available '"":::"%ebx"'
3002
3003     # check whether xmm clobbers are supported
3004     check_asm xmm_clobbers '"":::"%xmm0"'
3005
3006     # check whether binutils is new enough to compile SSSE3/MMX2
3007     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
3008     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
3009
3010     if ! disabled_any asm mmx yasm; then
3011         if check_cmd $yasmexe --version; then
3012             enabled x86_64 && yasm_extra="-m amd64"
3013             yasm_debug="-g dwarf2"
3014         elif check_cmd nasm -v; then
3015             yasmexe=nasm
3016             yasm_debug="-g -F dwarf"
3017             enabled x86_64 && test "$objformat" = elf && objformat=elf64
3018         fi
3019
3020         YASMFLAGS="-f $objformat $yasm_extra"
3021         enabled pic               && append YASMFLAGS "-DPIC"
3022         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
3023         case "$objformat" in
3024             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3025         esac
3026
3027         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3028             die "yasm not found, use --disable-yasm for a crippled build"
3029         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
3030     fi
3031
3032     case "$cpu" in
3033         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3034             disable fast_clz
3035         ;;
3036     esac
3037
3038 fi
3039
3040 if enabled asm; then
3041     as=${gas:=$as}
3042     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3043         $nogas "GNU assembler not found, install gas-preprocessor"
3044 fi
3045
3046 check_ldflags -Wl,--as-needed
3047
3048 if check_func dlopen; then
3049     ldl=
3050 elif check_func dlopen -ldl; then
3051     ldl=-ldl
3052 fi
3053
3054 if enabled network; then
3055     check_type "sys/types.h sys/socket.h" socklen_t
3056     check_type netdb.h "struct addrinfo"
3057     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3058     check_type netinet/in.h "struct sockaddr_in6"
3059     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3060     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3061     # Prefer arpa/inet.h over winsock2
3062     if check_header arpa/inet.h ; then
3063         check_func closesocket
3064     elif check_header winsock2.h ; then
3065         check_func_headers winsock2.h closesocket -lws2 && \
3066             network_extralibs="-lws2" || \
3067         { check_func_headers winsock2.h closesocket -lws2_32 && \
3068             network_extralibs="-lws2_32"; }
3069         check_type ws2tcpip.h socklen_t
3070         check_type ws2tcpip.h "struct addrinfo"
3071         check_type ws2tcpip.h "struct ipv6_mreq"
3072         check_type ws2tcpip.h "struct sockaddr_in6"
3073         check_type ws2tcpip.h "struct sockaddr_storage"
3074         check_struct winsock2.h "struct sockaddr" sa_len
3075     else
3076         disable network
3077     fi
3078 fi
3079
3080 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3081 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3082
3083 check_func  clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
3084 check_func  fcntl
3085 check_func  fork
3086 check_func  getaddrinfo $network_extralibs
3087 check_func  gethrtime
3088 check_func  getrusage
3089 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3090 check_func  inet_aton $network_extralibs
3091 check_func  isatty
3092 check_func  localtime_r
3093 check_func  ${malloc_prefix}memalign            && enable memalign
3094 check_func  mkstemp
3095 check_func  mmap
3096 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
3097 check_func  setrlimit
3098 check_func  strerror_r
3099 check_func  strptime
3100 check_func  sched_getaffinity
3101 check_func  sysconf
3102 check_func  sysctl
3103 check_func_headers conio.h kbhit
3104 check_func_headers windows.h PeekNamedPipe
3105 check_func_headers io.h setmode
3106 check_func_headers lzo/lzo1x.h lzo1x_999_compress
3107 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3108 check_func_headers windows.h GetProcessAffinityMask
3109 check_func_headers windows.h GetProcessTimes
3110 check_func_headers windows.h MapViewOfFile
3111 check_func_headers windows.h VirtualAlloc
3112 check_func_headers glob.h glob
3113
3114 check_header dlfcn.h
3115 check_header dxva2api.h -D_WIN32_WINNT=0x0600
3116 check_header libcrystalhd/libcrystalhd_if.h
3117 check_header malloc.h
3118 check_header poll.h
3119 check_header sys/mman.h
3120 check_header sys/param.h
3121 check_header sys/resource.h
3122 check_header sys/select.h
3123 check_header termios.h
3124 check_header vdpau/vdpau.h
3125 check_header vdpau/vdpau_x11.h
3126 check_header X11/extensions/XvMClib.h
3127 check_header asm/types.h
3128
3129 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3130 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3131
3132 # check for VDA header
3133 if ! disabled vda; then
3134     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3135         enable vda
3136         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3137     fi
3138 fi
3139
3140 if ! disabled w32threads && ! enabled pthreads; then
3141     check_func _beginthreadex && enable w32threads
3142 fi
3143
3144 # check for some common methods of building with pthread support
3145 # do this before the optional library checks as some of them require pthreads
3146 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3147     enable pthreads
3148     if check_func pthread_create; then
3149         :
3150     elif check_func pthread_create -pthread; then
3151         add_cflags -pthread
3152         add_extralibs -pthread
3153     elif check_func pthread_create -pthreads; then
3154         add_cflags -pthreads
3155         add_extralibs -pthreads
3156     elif check_func pthread_create -lpthreadGC2; then
3157         add_extralibs -lpthreadGC2
3158     elif ! check_lib pthread.h pthread_create -lpthread; then
3159         disable pthreads
3160     fi
3161 fi
3162
3163 for thread in $THREADS_LIST; do
3164     if enabled $thread; then
3165         test -n "$thread_type" &&
3166             die "ERROR: Only one thread type must be selected." ||
3167             thread_type="$thread"
3168     fi
3169 done
3170
3171 check_lib math.h sin -lm && LIBM="-lm"
3172 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3173 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3174
3175 check_mathfunc cbrtf
3176 check_mathfunc exp2
3177 check_mathfunc exp2f
3178 check_mathfunc llrint
3179 check_mathfunc llrintf
3180 check_mathfunc log2
3181 check_mathfunc log2f
3182 check_mathfunc lrint
3183 check_mathfunc lrintf
3184 check_mathfunc round
3185 check_mathfunc roundf
3186 check_mathfunc trunc
3187 check_mathfunc truncf
3188
3189 # these are off by default, so fail if requested and not available
3190 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3191 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
3192 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3193 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3194 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3195 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3196 enabled libbluray  && require libbluray libbluray/bluray.h bd_open -lbluray
3197 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0 &&
3198                       { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
3199                         die "ERROR: libcelt version must be >= 0.11.0."; }
3200 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3201 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3202 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3203 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3204 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3205 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3206 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3207 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3208 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3209 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3210 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3211 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3212 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3213 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3214 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3215     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3216     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
3217 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3218 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3219 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3220 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3221 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3222 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3223 enabled libvpx     && {
3224     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3225                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3226     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
3227                                 die "ERROR: libvpx encoder version must be >=0.9.6"; } }
3228 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3229                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3230                         die "ERROR: libx264 version must be >= 0.118."; }
3231 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3232 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3233 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3234                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3235                         die "ERROR: openal not found"; } &&
3236                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3237                         die "ERROR: openal version must be 1.1 or compatible"; }
3238 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3239                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3240                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3241                         die "ERROR: openssl not found"; }
3242
3243 # libdc1394 check
3244 if enabled libdc1394; then
3245     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3246         enable libdc1394_2; } ||
3247     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3248         enable libdc1394_1; } ||
3249     die "ERROR: No version of libdc1394 found "
3250 fi
3251
3252 SDL_CONFIG="${cross_prefix}sdl-config"
3253 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3254     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3255     enable sdl &&
3256     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3257 else
3258   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3259     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3260     sdl_libs=$("${SDL_CONFIG}" --libs)
3261     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3262     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3263     enable sdl &&
3264     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3265   fi
3266 fi
3267 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3268
3269 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3270 makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
3271
3272 check_header linux/fb.h
3273 check_header linux/videodev.h
3274 check_header linux/videodev2.h
3275 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3276
3277 check_header sys/videoio.h
3278
3279 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3280 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3281 # w32api 3.12 had it defined wrong
3282 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3283
3284 check_type "dshow.h" IBaseFilter
3285
3286 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3287 { check_header dev/bktr/ioctl_meteor.h &&
3288   check_header dev/bktr/ioctl_bt848.h; } ||
3289 { check_header machine/ioctl_meteor.h &&
3290   check_header machine/ioctl_bt848.h; } ||
3291 { check_header dev/video/meteor/ioctl_meteor.h &&
3292   check_header dev/video/bktr/ioctl_bt848.h; } ||
3293 check_header dev/ic/bt8xx.h
3294
3295 check_header sndio.h
3296 if check_struct sys/soundcard.h audio_buf_info bytes; then
3297     enable_safe sys/soundcard.h
3298 else
3299     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3300     #include <sys/soundcard.h>
3301     audio_buf_info abc;
3302 EOF
3303 fi
3304 check_header soundcard.h
3305
3306 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3307
3308 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait
3309
3310 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3311
3312 enabled libcdio &&
3313     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3314
3315 enabled x11grab                                           &&
3316 require X11 X11/Xlib.h XOpenDisplay -lX11                 &&
3317 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3318 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3319
3320 if ! disabled vaapi; then
3321     check_lib va/va.h vaInitialize -lva && {
3322         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3323         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3324     } || disable vaapi
3325 fi
3326
3327 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3328 check_cpp_condition \
3329     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3330     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3331       disable vdpau; }
3332 fi
3333
3334 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3335 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3336 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"
3337
3338 # add some useful compiler flags if supported
3339 check_cflags -Wdeclaration-after-statement
3340 check_cflags -Wall
3341 check_cflags -Wno-parentheses
3342 check_cflags -Wno-switch
3343 check_cflags -Wno-format-zero-length
3344 check_cflags -Wdisabled-optimization
3345 check_cflags -Wpointer-arith
3346 check_cflags -Wredundant-decls
3347 check_cflags -Wno-pointer-sign
3348 check_cflags -Wwrite-strings
3349 check_cflags -Wtype-limits
3350 check_cflags -Wundef
3351 check_cflags -Wmissing-prototypes
3352 check_cflags -Wno-pointer-to-int-cast
3353 check_cflags -Wstrict-prototypes
3354 enabled extra_warnings && check_cflags -Winline
3355
3356 # add some linker flags
3357 check_ldflags -Wl,--warn-common
3358 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3359 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3360
3361 enabled xmm_clobber_test &&                             \
3362     check_ldflags -Wl,--wrap,avcodec_open2              \
3363                   -Wl,--wrap,avcodec_decode_audio4      \
3364                   -Wl,--wrap,avcodec_decode_video2      \
3365                   -Wl,--wrap,avcodec_decode_subtitle2   \
3366                   -Wl,--wrap,avcodec_encode_audio2      \
3367                   -Wl,--wrap,avcodec_encode_video       \
3368                   -Wl,--wrap,avcodec_encode_subtitle    \
3369                   -Wl,--wrap,sws_scale ||               \
3370     disable xmm_clobber_test
3371
3372 echo "X{};" > $TMPV
3373 if test_ldflags -Wl,--version-script,$TMPV; then
3374     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3375     check_cc <<EOF && enable symver_asm_label
3376 void ff_foo(void) __asm__ ("av_foo@VERSION");
3377 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3378 EOF
3379     check_cc <<EOF && enable symver_gnu_asm
3380 __asm__(".symver ff_foo,av_foo@VERSION");
3381 void ff_foo(void) {}
3382 EOF
3383 fi
3384
3385 if [ -n "$optflags" ]; then
3386     add_cflags $optflags
3387 elif enabled small; then
3388     add_cflags $size_cflags
3389 elif enabled optimizations; then
3390     add_cflags $speed_cflags
3391 else
3392     add_cflags $noopt_cflags
3393 fi
3394 check_cflags -fno-math-errno
3395 check_cflags -fno-signed-zeros
3396 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3397 int x;
3398 EOF
3399
3400
3401 if enabled icc; then
3402     # Just warnings, no remarks
3403     check_cflags -w1
3404     # -wd: Disable following warnings
3405     # 144, 167, 556: -Wno-pointer-sign
3406     # 1292: attribute "foo" ignored
3407     # 10006: ignoring unknown option -fno-signed-zeros
3408     # 10148: ignoring unknown option -Wno-parentheses
3409     # 10156: ignoring option '-W'; no argument required
3410     check_cflags -wd144,167,556,1292,10006,10148,10156
3411     # 11030: Warning unknown option --as-needed
3412     # 10156: ignoring option '-export'; no argument required
3413     check_ldflags -wd10156,11030
3414     # Allow to compile with optimizations
3415     check_ldflags -march=$cpu
3416     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3417     enable ebp_available
3418     if enabled x86_32; then
3419         test ${icc_version%%.*} -ge 11 && \
3420             check_cflags -falign-stack=maintain-16-byte || \
3421             disable aligned_stack
3422     fi
3423 elif enabled ccc; then
3424     # disable some annoying warnings
3425     add_cflags -msg_disable cvtu32to64
3426     add_cflags -msg_disable embedcomment
3427     add_cflags -msg_disable needconstext
3428     add_cflags -msg_disable nomainieee
3429     add_cflags -msg_disable ptrmismatch1
3430     add_cflags -msg_disable unreachcode
3431 elif enabled gcc; then
3432     check_cflags -fno-tree-vectorize
3433     check_cflags -Werror=implicit-function-declaration
3434     check_cflags -Werror=missing-prototypes
3435 elif enabled llvm_gcc; then
3436     check_cflags -mllvm -stack-alignment=16
3437 elif enabled clang; then
3438     check_cflags -mllvm -stack-alignment=16
3439     check_cflags -Qunused-arguments
3440 elif enabled armcc; then
3441     # 2523: use of inline assembler is deprecated
3442     add_cflags -W${armcc_opt},--diag_suppress=2523
3443     add_cflags -W${armcc_opt},--diag_suppress=1207
3444     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3445     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3446     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3447     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3448 elif enabled tms470; then
3449     add_cflags -pds=824 -pds=837
3450 elif enabled pathscale; then
3451     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3452 fi
3453
3454 enabled_any $THREADS_LIST      && enable threads
3455
3456 check_deps $CONFIG_LIST       \
3457            $CONFIG_EXTRA      \
3458            $HAVE_LIST         \
3459            $ALL_COMPONENTS    \
3460            $ALL_TESTS         \
3461
3462 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3463
3464 if test $target_os = "haiku"; then
3465     disable memalign
3466     disable posix_memalign
3467 fi
3468
3469 ! enabled_any memalign posix_memalign malloc_aligned &&
3470     enabled_any $need_memalign && enable memalign_hack
3471
3472 # add_dep lib dep
3473 # -> enable ${lib}_deps_${dep}
3474 # -> add $dep to ${lib}_deps only once
3475 add_dep() {
3476     lib=$1
3477     dep=$2
3478     enabled "${lib}_deps_${dep}" && return 0
3479     enable  "${lib}_deps_${dep}"
3480     prepend "${lib}_deps" $dep
3481 }
3482
3483 # merge deps lib components
3484 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
3485 merge_deps() {
3486     lib=$1
3487     shift
3488     for comp in $*; do
3489         enabled $comp || continue
3490         eval "dep=\"\$${comp}_deps\""
3491         for d in $dep; do
3492             add_dep $lib $d
3493         done
3494     done
3495 }
3496
3497 merge_deps libavfilter $FILTER_LIST
3498
3499 echo "install prefix            $prefix"
3500 echo "source path               $source_path"
3501 echo "C compiler                $cc"
3502 echo "ARCH                      $arch ($cpu)"
3503 if test "$build_suffix" != ""; then
3504     echo "build suffix              $build_suffix"
3505 fi
3506 if test "$progs_suffix" != ""; then
3507     echo "progs suffix              $progs_suffix"
3508 fi
3509 if test "$extra_version" != ""; then
3510     echo "version string suffix     $extra_version"
3511 fi
3512 echo "big-endian                ${bigendian-no}"
3513 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3514 if enabled x86; then
3515     echo "${yasmexe}                      ${yasm-no}"
3516     echo "MMX enabled               ${mmx-no}"
3517     echo "MMX2 enabled              ${mmx2-no}"
3518     echo "3DNow! enabled            ${amd3dnow-no}"
3519     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3520     echo "SSE enabled               ${sse-no}"
3521     echo "SSSE3 enabled             ${ssse3-no}"
3522     echo "AVX enabled               ${avx-no}"
3523     echo "CMOV enabled              ${cmov-no}"
3524     echo "CMOV is fast              ${fast_cmov-no}"
3525     echo "EBX available             ${ebx_available-no}"
3526     echo "EBP available             ${ebp_available-no}"
3527 fi
3528 if enabled arm; then
3529     echo "ARMv5TE enabled           ${armv5te-no}"
3530     echo "ARMv6 enabled             ${armv6-no}"
3531     echo "ARMv6T2 enabled           ${armv6t2-no}"
3532     echo "ARM VFP enabled           ${armvfp-no}"
3533     echo "NEON enabled              ${neon-no}"
3534 fi
3535 if enabled mips; then
3536     echo "MMI enabled               ${mmi-no}"
3537 fi
3538 if enabled ppc; then
3539     echo "AltiVec enabled           ${altivec-no}"
3540     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3541     echo "dcbzl available           ${dcbzl-no}"
3542 fi
3543 if enabled sparc; then
3544     echo "VIS enabled               ${vis-no}"
3545 fi
3546 echo "debug symbols             ${debug-no}"
3547 echo "strip symbols             ${stripping-no}"
3548 echo "optimize for size         ${small-no}"
3549 echo "optimizations             ${optimizations-no}"
3550 echo "static                    ${static-no}"
3551 echo "shared                    ${shared-no}"
3552 echo "postprocessing support    ${postproc-no}"
3553 echo "new filter support        ${avfilter-no}"
3554 echo "network support           ${network-no}"
3555 echo "threading support         ${thread_type-no}"
3556 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
3557 echo "SDL support               ${sdl-no}"
3558 echo "libdxva2 enabled          ${dxva2-no}"
3559 echo "libva enabled             ${vaapi-no}"
3560 echo "libvdpau enabled          ${vdpau-no}"
3561 echo "AVISynth enabled          ${avisynth-no}"
3562 echo "frei0r enabled            ${frei0r-no}"
3563 echo "gnutls enabled            ${gnutls-no}"
3564 echo "libaacplus enabled        ${libaacplus-no}"
3565 echo "libass enabled            ${libass-no}"
3566 echo "libcdio support           ${libcdio-no}"
3567 echo "libcelt enabled           ${libcelt-no}"
3568 echo "libdc1394 support         ${libdc1394-no}"
3569 echo "libfaac enabled           ${libfaac-no}"
3570 echo "libgsm enabled            ${libgsm-no}"
3571 echo "libmodplug enabled        ${libmodplug-no}"
3572 echo "libmp3lame enabled        ${libmp3lame-no}"
3573 echo "libnut enabled            ${libnut-no}"
3574 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3575 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3576 echo "libopencv support         ${libopencv-no}"
3577 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3578 echo "libpulse enabled          ${libpulse-no}"
3579 echo "librtmp enabled           ${librtmp-no}"
3580 echo "libschroedinger enabled   ${libschroedinger-no}"
3581 echo "libspeex enabled          ${libspeex-no}"
3582 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
3583 echo "libtheora enabled         ${libtheora-no}"
3584 echo "libutvideo enabled        ${libutvideo-no}"
3585 echo "libv4l2 enabled           ${libv4l2-no}"
3586 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3587 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3588 echo "libvorbis enabled         ${libvorbis-no}"
3589 echo "libvpx enabled            ${libvpx-no}"
3590 echo "libx264 enabled           ${libx264-no}"
3591 echo "libxavs enabled           ${libxavs-no}"
3592 echo "libxvid enabled           ${libxvid-no}"
3593 echo "openal enabled            ${openal-no}"
3594 echo "openssl enabled           ${openssl-no}"
3595 echo "zlib enabled              ${zlib-no}"
3596 echo "bzlib enabled             ${bzlib-no}"
3597 echo
3598
3599 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3600     echo "Enabled ${type}s:"
3601     eval list=\$$(toupper $type)_LIST
3602     print_enabled '_*' $list | sort | pr -r -3 -t
3603     echo
3604 done
3605
3606 license="LGPL version 2.1 or later"
3607 if enabled nonfree; then
3608     license="nonfree and unredistributable"
3609 elif enabled gplv3; then
3610     license="GPL version 3 or later"
3611 elif enabled lgplv3; then
3612     license="LGPL version 3 or later"
3613 elif enabled gpl; then
3614     license="GPL version 2 or later"
3615 fi
3616
3617 echo "License: $license"
3618
3619 echo "Creating config.mak and config.h..."
3620
3621 test -e Makefile || $ln_s "$source_path/Makefile" .
3622
3623 enabled stripping || strip="echo skipping strip"
3624
3625 config_files="$TMPH config.mak"
3626
3627 cat > config.mak <<EOF
3628 # Automatically generated by configure - do not modify!
3629 ifndef FFMPEG_CONFIG_MAK
3630 FFMPEG_CONFIG_MAK=1
3631 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3632 prefix=$prefix
3633 LIBDIR=\$(DESTDIR)$libdir
3634 SHLIBDIR=\$(DESTDIR)$shlibdir
3635 INCDIR=\$(DESTDIR)$incdir
3636 BINDIR=\$(DESTDIR)$bindir
3637 DATADIR=\$(DESTDIR)$datadir
3638 MANDIR=\$(DESTDIR)$mandir
3639 SRC_PATH=$source_path
3640 ifndef MAIN_MAKEFILE
3641 SRC_PATH:=\$(SRC_PATH:.%=..%)
3642 endif
3643 CC_IDENT=$cc_ident
3644 ARCH=$arch
3645 CC=$cc
3646 CXX=$cxx
3647 AS=$as
3648 LD=$ld
3649 DEPCC=$dep_cc
3650 YASM=$yasmexe
3651 YASMDEP=$yasmexe
3652 AR=$ar
3653 RANLIB=$ranlib
3654 CP=cp -p
3655 LN_S=$ln_s
3656 STRIP=$strip
3657 CPPFLAGS=$CPPFLAGS
3658 CFLAGS=$CFLAGS
3659 CXXFLAGS=$CXXFLAGS
3660 ASFLAGS=$ASFLAGS
3661 AS_O=$CC_O
3662 CC_O=$CC_O
3663 CXX_O=$CXX_O
3664 LDFLAGS=$LDFLAGS
3665 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3666 SHFLAGS=$SHFLAGS
3667 YASMFLAGS=$YASMFLAGS
3668 BUILDSUF=$build_suffix
3669 PROGSSUF=$progs_suffix
3670 FULLNAME=$FULLNAME
3671 LIBPREF=$LIBPREF
3672 LIBSUF=$LIBSUF
3673 LIBNAME=$LIBNAME
3674 SLIBPREF=$SLIBPREF
3675 SLIBSUF=$SLIBSUF
3676 EXESUF=$EXESUF
3677 EXTRA_VERSION=$extra_version
3678 DEPFLAGS=$DEPFLAGS
3679 CCDEP=$CCDEP
3680 CXXDEP=$CXXDEP
3681 ASDEP=$ASDEP
3682 CC_DEPFLAGS=$CC_DEPFLAGS
3683 AS_DEPFLAGS=$AS_DEPFLAGS
3684 HOSTCC=$host_cc
3685 HOSTCFLAGS=$host_cflags
3686 HOSTEXESUF=$HOSTEXESUF
3687 HOSTLDFLAGS=$host_ldflags
3688 HOSTLIBS=$host_libs
3689 TARGET_EXEC=$target_exec
3690 TARGET_PATH=$target_path
3691 SDL_LIBS=$sdl_libs
3692 SDL_CFLAGS=$sdl_cflags
3693 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3694 EXTRALIBS=$extralibs
3695 INSTALL=$install
3696 LIBTARGET=${LIBTARGET}
3697 SLIBNAME=${SLIBNAME}
3698 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3699 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3700 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3701 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3702 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3703 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3704 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3705 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3706 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3707 NOREDZONE_FLAGS=$noredzone_flags
3708 EOF
3709
3710 get_version(){
3711     name=$1
3712     file=$source_path/$2
3713 # This condition will be removed when we stop supporting old libpostproc versions
3714 if ! test "$name" = LIBPOSTPROC || test "$postproc_version" = current; then
3715     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3716     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3717 fi
3718     lcname=$(tolower $name)
3719     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3720     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3721 }
3722
3723 get_version LIBAVCODEC  libavcodec/version.h
3724 get_version LIBAVDEVICE libavdevice/avdevice.h
3725 get_version LIBAVFILTER libavfilter/version.h
3726 get_version LIBAVFORMAT libavformat/version.h
3727 get_version LIBAVUTIL   libavutil/avutil.h
3728 get_version LIBPOSTPROC libpostproc/postprocess.h
3729 get_version LIBSWRESAMPLE libswresample/swresample.h
3730 get_version LIBSWSCALE  libswscale/swscale.h
3731
3732 cat > $TMPH <<EOF
3733 /* Automatically generated by configure - do not modify! */
3734 #ifndef FFMPEG_CONFIG_H
3735 #define FFMPEG_CONFIG_H
3736 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3737 #define FFMPEG_LICENSE "$(c_escape $license)"
3738 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3739 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3740 #define CC_TYPE "$cc_type"
3741 #define CC_VERSION $cc_version
3742 #define restrict $_restrict
3743 #define EXTERN_PREFIX "${extern_prefix}"
3744 #define EXTERN_ASM ${extern_prefix}
3745 #define SLIBSUF "$SLIBSUF"
3746 EOF
3747
3748 test -n "$assert_level" &&
3749     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
3750
3751 test -n "$malloc_prefix" &&
3752     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3753
3754 if enabled small || disabled optimizations; then
3755     echo "#undef  av_always_inline"  >> $TMPH
3756     if enabled small; then
3757         echo "#define av_always_inline inline"  >> $TMPH
3758     else
3759         echo "#define av_always_inline av_unused"  >> $TMPH
3760     fi
3761 fi
3762
3763 if enabled yasm; then
3764     append config_files $TMPASM
3765     printf '' >$TMPASM
3766 fi
3767
3768 print_config ARCH_   "$config_files" $ARCH_LIST
3769 print_config HAVE_   "$config_files" $HAVE_LIST
3770 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3771                                      $CONFIG_EXTRA      \
3772                                      $ALL_COMPONENTS    \
3773
3774 cat >>config.mak <<EOF
3775 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3776 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3777 LAVF_FATE_TESTS=$(print_enabled -n _test $LAVF_FATE_TESTS)
3778 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3779 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3780 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3781 EOF
3782
3783 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3784 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3785
3786 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3787 cp_if_changed $TMPH config.h
3788 touch .config
3789
3790 enabled yasm && cp_if_changed $TMPASM config.asm
3791
3792 cat > $TMPH <<EOF
3793 /* Generated by ffconf */
3794 #ifndef AVUTIL_AVCONFIG_H
3795 #define AVUTIL_AVCONFIG_H
3796 EOF
3797
3798 test "$postproc_version" != current && cat >> $TMPH <<EOF
3799 #define LIBPOSTPROC_VERSION_MAJOR $LIBPOSTPROC_VERSION_MAJOR
3800 #define LIBPOSTPROC_VERSION_MINOR $LIBPOSTPROC_VERSION_MINOR
3801 #define LIBPOSTPROC_VERSION_MICRO $LIBPOSTPROC_VERSION_MICRO
3802 EOF
3803
3804 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3805
3806 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3807
3808 cp_if_changed $TMPH libavutil/avconfig.h
3809
3810 test -n "$WARNINGS" && printf "\n$WARNINGS"
3811
3812 # build pkg-config files
3813
3814 pkgconfig_generate(){
3815 name=$1
3816 shortname=${name#lib}${build_suffix}
3817 comment=$2
3818 version=$3
3819 libs=$4
3820 requires=$5
3821 enabled ${name#lib} || return 0
3822 mkdir -p $name
3823 cat <<EOF > $name/$name.pc
3824 prefix=$prefix
3825 exec_prefix=\${prefix}
3826 libdir=$libdir
3827 includedir=$incdir
3828
3829 Name: $name
3830 Description: $comment
3831 Version: $version
3832 Requires: $(enabled shared || echo $requires)
3833 Requires.private: $(enabled shared && echo $requires)
3834 Conflicts:
3835 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3836 Libs.private: $(enabled shared && echo $libs)
3837 Cflags: -I\${includedir}
3838 EOF
3839 cat <<EOF > $name/$name-uninstalled.pc
3840 prefix=
3841 exec_prefix=
3842 libdir=\${pcfiledir}
3843 includedir=${source_path}
3844
3845 Name: $name
3846 Description: $comment
3847 Version: $version
3848 Requires: $requires
3849 Conflicts:
3850 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3851 Cflags: -I\${includedir}
3852 EOF
3853 }
3854
3855 libavfilter_pc_deps=""
3856 enabled libavfilter_deps_avcodec    && prepend libavfilter_pc_deps "libavcodec = $LIBAVCODEC_VERSION,"
3857 enabled libavfilter_deps_avformat   && prepend libavfilter_pc_deps "libavformat = $LIBAVFORMAT_VERSION,"
3858 enabled libavfilter_deps_swscale    && prepend libavfilter_pc_deps "libswscale = $LIBSWSCALE_VERSION,"
3859 enabled libavfilter_deps_swresample && prepend libavfilter_pc_deps "libswresample = $LIBSWRESAMPLE_VERSION,"
3860 enabled libavfilter_deps_postproc   && prepend libavfilter_pc_deps "libpostproc = $LIBPOSTPROC_VERSION,"
3861 libavfilter_pc_deps=${libavfilter_pc_deps%, }
3862
3863 libavdevice_pc_deps="libavformat = $LIBAVFORMAT_VERSION"
3864 enabled lavfi_indev && prepend libavdevice_pc_deps "libavfilter = $LIBAVFILTER_VERSION,"
3865
3866 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3867 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3868 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3869 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$libavdevice_pc_deps"
3870 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$libavfilter_pc_deps"
3871 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3872 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
3873 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"