wmaprodec: tighter check for num_vec_coeffs
[ffmpeg.git] / configure
1 #!/bin/sh
2 #
3 # FFmpeg configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18     echo "Trying shell $1"
19     type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30     echo "Broken shell detected.  Trying alternatives."
31     export FF_CONF_EXEC
32     if test "0$FF_CONF_EXEC" -lt 1; then
33         FF_CONF_EXEC=1
34         try_exec bash "$0" "$@"
35     fi
36     if test "0$FF_CONF_EXEC" -lt 2; then
37         FF_CONF_EXEC=2
38         try_exec ksh "$0" "$@"
39     fi
40     if test "0$FF_CONF_EXEC" -lt 3; then
41         FF_CONF_EXEC=3
42         try_exec /usr/xpg4/bin/sh "$0" "$@"
43     fi
44     echo "No compatible shell script interpreter found."
45     echo "This configure script requires a POSIX-compatible shell"
46     echo "such as bash or ksh."
47     echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48     echo "Instead, install a working POSIX-compatible shell."
49     echo "Disabling this configure test will create a broken FFmpeg."
50     if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51         echo "This bash version ($BASH_VERSION) is broken on your platform."
52         echo "Upgrade to a later version if available."
53     fi
54     exit 1
55 fi
56
57 show_help(){
58 cat <<EOF
59 Usage: configure [options]
60 Options: [defaults in brackets after descriptions]
61
62 Standard options:
63   --help                   print this message
64   --logfile=FILE           log tests and output to FILE [config.log]
65   --disable-logging        do not log configure debug information
66   --prefix=PREFIX          install in PREFIX [$prefix]
67   --bindir=DIR             install binaries in DIR [PREFIX/bin]
68   --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
69   --libdir=DIR             install libs in DIR [PREFIX/lib]
70   --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
71   --incdir=DIR             install includes in DIR [PREFIX/include]
72   --mandir=DIR             install man page in DIR [PREFIX/share/man]
73
74 Configuration options:
75   --disable-static         do not build static libraries [no]
76   --enable-shared          build shared libraries [no]
77   --enable-gpl             allow use of GPL code, the resulting libs
78                            and binaries will be under GPL [no]
79   --enable-version3        upgrade (L)GPL to version 3 [no]
80   --enable-nonfree         allow use of nonfree code, the resulting libs
81                            and binaries will be unredistributable [no]
82   --disable-doc            do not build documentation
83   --disable-ffmpeg         disable ffmpeg build
84   --disable-ffplay         disable ffplay build
85   --disable-ffprobe        disable ffprobe build
86   --disable-ffserver       disable ffserver build
87   --disable-avdevice       disable libavdevice build
88   --disable-avcodec        disable libavcodec build
89   --disable-avformat       disable libavformat build
90   --disable-swresample     disable libswresample build
91   --disable-swscale        disable libswscale build
92   --disable-postproc       disable libpostproc build
93   --disable-avfilter       disable video filter support [no]
94   --disable-pthreads       disable pthreads [auto]
95   --disable-w32threads     disable Win32 threads [auto]
96   --disable-os2threads     disable OS/2 threads [auto]
97   --enable-x11grab         enable X11 grabbing [no]
98   --disable-network        disable network support [no]
99   --enable-gray            enable full grayscale support (slower color)
100   --disable-swscale-alpha  disable alpha channel support in swscale
101   --disable-fastdiv        disable table-based division
102   --enable-small           optimize for size instead of speed
103   --disable-aandct         disable AAN DCT code
104   --disable-dct            disable DCT code
105   --disable-fft            disable FFT code
106   --disable-golomb         disable Golomb code
107   --disable-huffman        disable Huffman code
108   --disable-lpc            disable LPC code
109   --disable-mdct           disable MDCT code
110   --disable-rdft           disable RDFT code
111   --enable-vaapi           enable VAAPI code [autodetect]
112   --enable-vda             enable VDA code [autodetect]
113   --enable-vdpau           enable VDPAU code [autodetect]
114   --disable-dxva2          disable DXVA2 code
115   --disable-vda            disable VDA code
116   --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
117   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
118   --disable-safe-bitstream-reader
119                            disable buffer boundary checking in bitreaders
120                            (faster, but may crash)
121   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
122   --disable-everything     disable all components listed below
123   --disable-encoder=NAME   disable encoder NAME
124   --enable-encoder=NAME    enable encoder NAME
125   --disable-encoders       disable all encoders
126   --disable-decoder=NAME   disable decoder NAME
127   --enable-decoder=NAME    enable decoder NAME
128   --disable-decoders       disable all decoders
129   --disable-hwaccel=NAME   disable hwaccel NAME
130   --enable-hwaccel=NAME    enable hwaccel NAME
131   --disable-hwaccels       disable all hwaccels
132   --disable-muxer=NAME     disable muxer NAME
133   --enable-muxer=NAME      enable muxer NAME
134   --disable-muxers         disable all muxers
135   --disable-demuxer=NAME   disable demuxer NAME
136   --enable-demuxer=NAME    enable demuxer NAME
137   --disable-demuxers       disable all demuxers
138   --enable-parser=NAME     enable parser NAME
139   --disable-parser=NAME    disable parser NAME
140   --disable-parsers        disable all parsers
141   --enable-bsf=NAME        enable bitstream filter NAME
142   --disable-bsf=NAME       disable bitstream filter NAME
143   --disable-bsfs           disable all bitstream filters
144   --enable-protocol=NAME   enable protocol NAME
145   --disable-protocol=NAME  disable protocol NAME
146   --disable-protocols      disable all protocols
147   --disable-indev=NAME     disable input device NAME
148   --disable-outdev=NAME    disable output device NAME
149   --disable-indevs         disable input devices
150   --disable-outdevs        disable output devices
151   --disable-devices        disable all devices
152   --enable-filter=NAME     enable filter NAME
153   --disable-filter=NAME    disable filter NAME
154   --disable-filters        disable all filters
155   --list-decoders          show all available decoders
156   --list-encoders          show all available encoders
157   --list-hwaccels          show all available hardware accelerators
158   --list-muxers            show all available muxers
159   --list-demuxers          show all available demuxers
160   --list-parsers           show all available parsers
161   --list-protocols         show all available protocols
162   --list-bsfs              show all available bitstream filters
163   --list-indevs            show all available input devices
164   --list-outdevs           show all available output devices
165   --list-filters           show all available filters
166
167 External library support:
168   --enable-avisynth        enable reading of AVISynth script files [no]
169   --enable-bzlib           enable bzlib [autodetect]
170   --enable-frei0r          enable frei0r video filtering
171   --enable-gnutls          enable gnutls [no]
172   --enable-libaacplus      enable AAC+ encoding via libaacplus [no]
173   --enable-libass          enable libass subtitles rendering [no]
174   --enable-libcelt         enable CELT decoding via libcelt [no]
175   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
176   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
177   --enable-libopencv       enable video filtering via libopencv [no]
178   --enable-libcdio         enable audio CD grabbing with libcdio
179   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
180                            and libraw1394 [no]
181   --enable-libdirac        enable Dirac support via libdirac [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 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-mlib            enable Sun medialib [no]
209   --enable-openssl         enable openssl [no]
210   --enable-zlib            enable zlib [autodetect]
211
212 Advanced options (experts only):
213   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
214   --enable-cross-compile   assume a cross-compiler is used
215   --sysroot=PATH           root of cross-build tree
216   --sysinclude=PATH        location of cross-build system headers
217   --target-os=OS           compiler targets OS [$target_os]
218   --target-exec=CMD        command to run executables on target
219   --target-path=DIR        path to view of build directory on target
220   --nm=NM                  use nm tool NM [$nm_default]
221   --ar=AR                  use archive tool AR [$ar_default]
222   --as=AS                  use assembler AS [$as_default]
223   --yasmexe=EXE            use yasm-compatible assembler EXE [$yasmexe_default]
224   --cc=CC                  use C compiler CC [$cc_default]
225   --cxx=CXX                use C compiler CXX [$cxx_default]
226   --ld=LD                  use linker LD [$ld_default]
227   --host-cc=HOSTCC         use host C compiler HOSTCC
228   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
229   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
230   --host-libs=HLIBS        use libs HLIBS when linking for host
231   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
232   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
233   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
234   --extra-libs=ELIBS       add ELIBS [$ELIBS]
235   --extra-version=STRING   version string suffix []
236   --build-suffix=SUFFIX    library name suffix []
237   --progs-suffix=SUFFIX    program name suffix []
238   --arch=ARCH              select architecture [$arch]
239   --cpu=CPU                select the minimum required CPU (affects
240                            instruction selection, may crash on older CPUs)
241   --disable-asm            disable all assembler optimizations
242   --disable-altivec        disable AltiVec optimizations
243   --disable-amd3dnow       disable 3DNow! optimizations
244   --disable-amd3dnowext    disable 3DNow! extended optimizations
245   --disable-mmx            disable MMX optimizations
246   --disable-mmx2           disable MMX2 optimizations
247   --disable-sse            disable SSE optimizations
248   --disable-ssse3          disable SSSE3 optimizations
249   --disable-avx            disable AVX optimizations
250   --disable-armv5te        disable armv5te optimizations
251   --disable-armv6          disable armv6 optimizations
252   --disable-armv6t2        disable armv6t2 optimizations
253   --disable-armvfp         disable ARM VFP optimizations
254   --disable-iwmmxt         disable iwmmxt optimizations
255   --disable-mmi            disable MMI optimizations
256   --disable-neon           disable NEON optimizations
257   --disable-vis            disable VIS optimizations
258   --disable-yasm           disable use of yasm assembler
259   --enable-pic             build position-independent code
260   --malloc-prefix=PFX      prefix malloc and related names with PFX
261   --enable-sram            allow use of on-chip SRAM
262   --disable-symver         disable symbol versioning
263   --optflags               override optimization-related compiler flags
264   --postproc-version=V     build libpostproc version V.
265                            Where V can be '$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO' or 'current'. [$postproc_version_default]
266
267 Developer options (useful when working on FFmpeg itself):
268   --enable-coverage        build with test coverage instrumentation
269   --disable-debug          disable debugging symbols
270   --enable-debug=LEVEL     set the debug level [$debuglevel]
271   --disable-optimizations  disable compiler optimizations
272   --enable-extra-warnings  enable more compiler warnings
273   --disable-stripping      disable stripping of executables and shared libraries
274   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory
275                            leaks and errors, using the specified valgrind binary.
276                            Cannot be combined with --target-exec
277   --samples=PATH           location of test samples for FATE, if not set use
278                            \$FATE_SAMPLES at make invocation time.
279
280 NOTE: Object files are built at the place where configure is launched.
281 EOF
282   exit 0
283 }
284
285 quotes='""'
286
287 log(){
288     echo "$@" >> $logfile
289 }
290
291 log_file(){
292     log BEGIN $1
293     pr -n -t $1 >> $logfile
294     log END $1
295 }
296
297 echolog(){
298     log "$@"
299     echo "$@"
300 }
301
302 warn(){
303     log "WARNING: $*"
304     WARNINGS="${WARNINGS}WARNING: $*\n"
305 }
306
307 die(){
308     echolog "$@"
309     cat <<EOF
310
311 If you think configure made a mistake, make sure you are using the latest
312 version from Git.  If the latest version fails, report the problem to the
313 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
314 EOF
315     if disabled logging; then
316         cat <<EOF
317 Rerun configure with logging enabled (do not use --disable-logging), and
318 include the log this produces with your report.
319 EOF
320     else
321 cat <<EOF
322 Include the log file "$logfile" produced by configure as this will help
323 solving the problem.
324 EOF
325     fi
326     exit 1
327 }
328
329 # Avoid locale weirdness, besides we really just want to translate ASCII.
330 toupper(){
331     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
332 }
333
334 tolower(){
335     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
336 }
337
338 c_escape(){
339     echo "$*" | sed 's/["\\]/\\\0/g'
340 }
341
342 sh_quote(){
343     v=$(echo "$1" | sed "s/'/'\\\\''/g")
344     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
345     echo "$v"
346 }
347
348 cleanws(){
349     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
350 }
351
352 filter(){
353     pat=$1
354     shift
355     for v; do
356         eval "case $v in $pat) echo $v ;; esac"
357     done
358 }
359
360 filter_out(){
361     pat=$1
362     shift
363     for v; do
364         eval "case $v in $pat) ;; *) echo $v ;; esac"
365     done
366 }
367
368 map(){
369     m=$1
370     shift
371     for v; do eval $m; done
372 }
373
374 set_all(){
375     value=$1
376     shift
377     for var in $*; do
378         eval $var=$value
379     done
380 }
381
382 set_weak(){
383     value=$1
384     shift
385     for var; do
386         eval : \${$var:=$value}
387     done
388 }
389
390 set_safe(){
391     var=$1
392     shift
393     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
394 }
395
396 get_safe(){
397     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
398 }
399
400 pushvar(){
401     for var in $*; do
402         eval level=\${${var}_level:=0}
403         eval ${var}_${level}="\$$var"
404         eval ${var}_level=$(($level+1))
405     done
406 }
407
408 popvar(){
409     for var in $*; do
410         eval level=\${${var}_level:-0}
411         test $level = 0 && continue
412         eval level=$(($level-1))
413         eval $var="\${${var}_${level}}"
414         eval ${var}_level=$level
415         eval unset ${var}_${level}
416     done
417 }
418
419 enable(){
420     set_all yes $*
421 }
422
423 disable(){
424     set_all no $*
425 }
426
427 enable_weak(){
428     set_weak yes $*
429 }
430
431 disable_weak(){
432     set_weak no $*
433 }
434
435 enable_safe(){
436     for var; do
437         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
438     done
439 }
440
441 disable_safe(){
442     for var; do
443         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
444     done
445 }
446
447 do_enable_deep(){
448     for var; do
449         enabled $var && continue
450         eval sel="\$${var}_select"
451         eval sgs="\$${var}_suggest"
452         pushvar var sgs
453         enable_deep $sel
454         popvar sgs
455         enable_deep_weak $sgs
456         popvar var
457     done
458 }
459
460 enable_deep(){
461     do_enable_deep $*
462     enable $*
463 }
464
465 enable_deep_weak(){
466     do_enable_deep $*
467     enable_weak $*
468 }
469
470 enabled(){
471     test "${1#!}" = "$1" && op== || op=!=
472     eval test "x\$${1#!}" $op "xyes"
473 }
474
475 disabled(){
476     test "${1#!}" = "$1" && op== || op=!=
477     eval test "x\$${1#!}" $op "xno"
478 }
479
480 enabled_all(){
481     for opt; do
482         enabled $opt || return 1
483     done
484 }
485
486 disabled_all(){
487     for opt; do
488         disabled $opt || return 1
489     done
490 }
491
492 enabled_any(){
493     for opt; do
494         enabled $opt && return 0
495     done
496 }
497
498 disabled_any(){
499     for opt; do
500         disabled $opt && return 0
501     done
502     return 1
503 }
504
505 set_default(){
506     for opt; do
507         eval : \${$opt:=\$${opt}_default}
508     done
509 }
510
511 is_in(){
512     value=$1
513     shift
514     for var in $*; do
515         [ $var = $value ] && return 0
516     done
517     return 1
518 }
519
520 check_deps(){
521     for cfg; do
522         cfg="${cfg#!}"
523         enabled ${cfg}_checking && die "Circular dependency for $cfg."
524         disabled ${cfg}_checking && continue
525         enable ${cfg}_checking
526
527         eval dep_all="\$${cfg}_deps"
528         eval dep_any="\$${cfg}_deps_any"
529         eval dep_sel="\$${cfg}_select"
530         eval dep_sgs="\$${cfg}_suggest"
531         eval dep_ifa="\$${cfg}_if"
532         eval dep_ifn="\$${cfg}_if_any"
533
534         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
535         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
536         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
537
538         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
539         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
540         enabled_all  $dep_all || disable $cfg
541         enabled_any  $dep_any || disable $cfg
542         disabled_any $dep_sel && disable $cfg
543
544         if enabled $cfg; then
545             eval dep_extralibs="\$${cfg}_extralibs"
546             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
547             enable_deep $dep_sel
548             enable_deep_weak $dep_sgs
549         fi
550
551         disable ${cfg}_checking
552     done
553 }
554
555 print_config_h(){
556     enabled $1 && v=1 || v=0
557     echo "#define $2 $v"
558 }
559
560 print_config_mak(){
561     enabled $1 && v= || v=!
562     echo "$v$2=yes"
563 }
564
565 print_config_asm(){
566     enabled $1 && echo "%define $2"
567 }
568
569 print_config(){
570     pfx=$1
571     files=$2
572     shift 2
573     for cfg; do
574         ucname="$(toupper $cfg)"
575         for f in $files; do
576             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
577         done
578     done
579 }
580
581 print_enabled(){
582     test "$1" = -n && end=" " && shift || end="\n"
583     suf=$1
584     shift
585     for v; do
586         enabled $v && printf "%s$end" ${v%$suf};
587     done
588 }
589
590 append(){
591     var=$1
592     shift
593     eval "$var=\"\$$var $*\""
594 }
595
596 prepend(){
597     var=$1
598     shift
599     eval "$var=\"$* \$$var\""
600 }
601
602 add_cppflags(){
603     append CPPFLAGS $($filter_cppflags "$@")
604 }
605
606 add_cflags(){
607     append CFLAGS $($filter_cflags "$@")
608 }
609
610 add_cxxflags(){
611     append CXXFLAGS $($filter_cflags "$@")
612 }
613
614 add_asflags(){
615     append ASFLAGS $($filter_asflags "$@")
616 }
617
618 add_ldflags(){
619     append LDFLAGS "$@"
620 }
621
622 add_extralibs(){
623     prepend extralibs "$@"
624 }
625
626 check_cmd(){
627     log "$@"
628     "$@" >> $logfile 2>&1
629 }
630
631 check_cc(){
632     log check_cc "$@"
633     cat > $TMPC
634     log_file $TMPC
635     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
636 }
637
638 check_cxx(){
639     log check_cxx "$@"
640     cat > $TMPCPP
641     log_file $TMPCPP
642     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" -c -o $TMPO $TMPCPP
643 }
644
645 check_cpp(){
646     log check_cpp "$@"
647     cat > $TMPC
648     log_file $TMPC
649     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
650 }
651
652 check_as(){
653     log check_as "$@"
654     cat > $TMPC
655     log_file $TMPC
656     check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
657 }
658
659 check_asm(){
660     log check_asm "$@"
661     name="$1"
662     code="$2"
663     shift 2
664     disable $name
665     check_as "$@" <<EOF && enable $name
666 void foo(void){ __asm__ volatile($code); }
667 EOF
668 }
669
670 check_yasm(){
671     log check_yasm "$@"
672     echo "$1" > $TMPS
673     log_file $TMPS
674     shift 1
675     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
676 }
677
678 check_ld(){
679     log check_ld "$@"
680     type=$1
681     shift 1
682     flags=''
683     libs=''
684     for f; do
685         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
686     done
687     check_$type $($filter_cflags $flags) || return
688     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
689 }
690
691 check_cppflags(){
692     log check_cppflags "$@"
693     set -- $($filter_cppflags "$@")
694     check_cc "$@" <<EOF && append CPPFLAGS "$@"
695 int x;
696 EOF
697 }
698
699 check_cflags(){
700     log check_cflags "$@"
701     set -- $($filter_cflags "$@")
702     check_cc "$@" <<EOF && append CFLAGS "$@"
703 int x;
704 EOF
705 }
706
707 check_cxxflags(){
708     log check_cxxflags "$@"
709     set -- $($filter_cflags "$@")
710     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
711 int x;
712 EOF
713 }
714
715 test_ldflags(){
716     log test_ldflags "$@"
717     check_ld "cc" "$@" <<EOF
718 int main(void){ return 0; }
719 EOF
720 }
721
722 check_ldflags(){
723     log check_ldflags "$@"
724     test_ldflags "$@" && add_ldflags "$@"
725 }
726
727 check_header(){
728     log check_header "$@"
729     header=$1
730     shift
731     disable_safe $header
732     check_cpp "$@" <<EOF && enable_safe $header
733 #include <$header>
734 int x;
735 EOF
736 }
737
738 check_func(){
739     log check_func "$@"
740     func=$1
741     shift
742     disable $func
743     check_ld "cc" "$@" <<EOF && enable $func
744 extern int $func();
745 int main(void){ $func(); }
746 EOF
747 }
748
749 check_mathfunc(){
750     log check_mathfunc "$@"
751     func=$1
752     shift
753     disable $func
754     check_ld "cc" "$@" <<EOF && enable $func
755 #include <math.h>
756 float foo(float f) { return $func(f); }
757 int main(void){ return (int) foo; }
758 EOF
759 }
760
761 check_func_headers(){
762     log check_func_headers "$@"
763     headers=$1
764     funcs=$2
765     shift 2
766     {
767         for hdr in $headers; do
768             echo "#include <$hdr>"
769         done
770         for func in $funcs; do
771             echo "long check_$func(void) { return (long) $func; }"
772         done
773         echo "int main(void) { return 0; }"
774     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
775 }
776
777 check_class_headers_cpp(){
778     log check_class_headers_cpp "$@"
779     headers=$1
780     classes=$2
781     shift 2
782     {
783         for hdr in $headers; do
784             echo "#include <$hdr>"
785         done
786         echo "int main(void) { "
787         i=1
788         for class in $classes; do
789             echo "$class obj$i;"
790             i=$(expr $i + 1)
791         done
792         echo "return 0; }"
793     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
794 }
795
796 check_cpp_condition(){
797     log check_cpp_condition "$@"
798     header=$1
799     condition=$2
800     shift 2
801     check_cpp $($filter_cppflags "$@") <<EOF
802 #include <$header>
803 #if !($condition)
804 #error "unsatisfied condition: $condition"
805 #endif
806 EOF
807 }
808
809 check_lib(){
810     log check_lib "$@"
811     header="$1"
812     func="$2"
813     shift 2
814     check_header $header && check_func $func "$@" && add_extralibs "$@"
815 }
816
817 check_lib2(){
818     log check_lib2 "$@"
819     headers="$1"
820     funcs="$2"
821     shift 2
822     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
823 }
824
825 check_lib_cpp(){
826     log check_lib_cpp "$@"
827     headers="$1"
828     classes="$2"
829     shift 2
830     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
831 }
832
833 check_pkg_config(){
834     log check_pkg_config "$@"
835     pkg="$1"
836     headers="$2"
837     funcs="$3"
838     shift 3
839     $pkg_config --exists $pkg 2>/dev/null || return
840     pkg_cflags=$($pkg_config --cflags $pkg)
841     pkg_libs=$($pkg_config --libs $pkg)
842     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
843         set_safe ${pkg}_cflags $pkg_cflags   &&
844         set_safe ${pkg}_libs   $pkg_libs
845 }
846
847 check_exec(){
848     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
849 }
850
851 check_exec_crash(){
852     code=$(cat)
853
854     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
855     # are safe but may not be available everywhere.  Thus we use
856     # raise(SIGTERM) instead.  The check is run in a subshell so we
857     # can redirect the "Terminated" message from the shell.  SIGBUS
858     # is not defined by standard C so it is used conditionally.
859
860     (check_exec "$@") >> $logfile 2>&1 <<EOF
861 #include <signal.h>
862 static void sighandler(int sig){
863     raise(SIGTERM);
864 }
865 int func(void){
866     $code
867 }
868 int main(void){
869     signal(SIGILL, sighandler);
870     signal(SIGFPE, sighandler);
871     signal(SIGSEGV, sighandler);
872 #ifdef SIGBUS
873     signal(SIGBUS, sighandler);
874 #endif
875     return func();
876 }
877 EOF
878 }
879
880 check_type(){
881     log check_type "$@"
882     headers=$1
883     type=$2
884     shift 2
885     disable_safe "$type"
886     incs=""
887     for hdr in $headers; do
888         incs="$incs
889 #include <$hdr>"
890     done
891     check_cc "$@" <<EOF && enable_safe "$type"
892 $incs
893 $type v;
894 EOF
895 }
896
897 check_struct(){
898     log check_type "$@"
899     headers=$1
900     struct=$2
901     member=$3
902     shift 3
903     disable_safe "${struct}_${member}"
904     incs=""
905     for hdr in $headers; do
906         incs="$incs
907 #include <$hdr>"
908     done
909     check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
910 $incs
911 const void *p = &(($struct *)0)->$member;
912 EOF
913 }
914
915 require(){
916     name="$1"
917     header="$2"
918     func="$3"
919     shift 3
920     check_lib $header $func "$@" || die "ERROR: $name not found"
921 }
922
923 require2(){
924     name="$1"
925     headers="$2"
926     func="$3"
927     shift 3
928     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
929 }
930
931 require_cpp(){
932     name="$1"
933     headers="$2"
934     classes="$3"
935     shift 3
936     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
937 }
938
939 require_pkg_config(){
940     pkg="$1"
941     check_pkg_config "$@" || die "ERROR: $pkg not found"
942     add_cflags    $(get_safe ${pkg}_cflags)
943     add_extralibs $(get_safe ${pkg}_libs)
944 }
945
946 check_host_cc(){
947     log check_host_cc "$@"
948     cat > $TMPC
949     log_file $TMPC
950     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
951 }
952
953 check_host_cflags(){
954     log check_host_cflags "$@"
955     check_host_cc "$@" <<EOF && append host_cflags "$@"
956 int x;
957 EOF
958 }
959
960 apply(){
961     file=$1
962     shift
963     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
964 }
965
966 cp_if_changed(){
967     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
968     mkdir -p "$(dirname $2)"
969     cp -f "$1" "$2"
970 }
971
972 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
973 # system-dependent things.
974
975 COMPONENT_LIST="
976     bsfs
977     decoders
978     demuxers
979     encoders
980     filters
981     hwaccels
982     indevs
983     muxers
984     outdevs
985     parsers
986     protocols
987 "
988
989 PROGRAM_LIST="
990     ffplay
991     ffprobe
992     ffserver
993     ffmpeg
994 "
995
996 CONFIG_LIST="
997     $COMPONENT_LIST
998     $PROGRAM_LIST
999     avplay
1000     avprobe
1001     avserver
1002     aandct
1003     ac3dsp
1004     avcodec
1005     avdevice
1006     avfilter
1007     avformat
1008     avisynth
1009     bzlib
1010     crystalhd
1011     dct
1012     doc
1013     dwt
1014     dxva2
1015     fastdiv
1016     fft
1017     frei0r
1018     gnutls
1019     golomb
1020     gpl
1021     gray
1022     h264chroma
1023     h264dsp
1024     h264pred
1025     hardcoded_tables
1026     huffman
1027     libaacplus
1028     libass
1029     libcdio
1030     libcelt
1031     libdc1394
1032     libdirac
1033     libfaac
1034     libfreetype
1035     libgsm
1036     libmodplug
1037     libmp3lame
1038     libnut
1039     libopencore_amrnb
1040     libopencore_amrwb
1041     libopencv
1042     libopenjpeg
1043     libpulse
1044     librtmp
1045     libschroedinger
1046     libspeex
1047     libstagefright_h264
1048     libtheora
1049     libutvideo
1050     libv4l2
1051     libvo_aacenc
1052     libvo_amrwbenc
1053     libvorbis
1054     libvpx
1055     libx264
1056     libxavs
1057     libxvid
1058     lpc
1059     lsp
1060     mdct
1061     memalign_hack
1062     mlib
1063     mpegaudiodsp
1064     network
1065     nonfree
1066     openal
1067     openssl
1068     pic
1069     postproc
1070     rdft
1071     rtpdec
1072     runtime_cpudetect
1073     safe_bitstream_reader
1074     shared
1075     sinewin
1076     small
1077     sram
1078     static
1079     swresample
1080     swscale
1081     swscale_alpha
1082     thumb
1083     vaapi
1084     vda
1085     vdpau
1086     version3
1087     x11grab
1088     zlib
1089 "
1090
1091 THREADS_LIST='
1092     pthreads
1093     w32threads
1094     os2threads
1095 '
1096
1097 ARCH_LIST='
1098     alpha
1099     arm
1100     avr32
1101     avr32_ap
1102     avr32_uc
1103     bfin
1104     ia64
1105     m68k
1106     mips
1107     mips64
1108     parisc
1109     ppc
1110     ppc64
1111     s390
1112     sh4
1113     sparc
1114     sparc64
1115     tomi
1116     x86
1117     x86_32
1118     x86_64
1119 '
1120
1121 ARCH_EXT_LIST='
1122     altivec
1123     amd3dnow
1124     amd3dnowext
1125     armv5te
1126     armv6
1127     armv6t2
1128     armvfp
1129     avx
1130     iwmmxt
1131     mmi
1132     mmx
1133     mmx2
1134     neon
1135     ppc4xx
1136     sse
1137     ssse3
1138     vfpv3
1139     vis
1140 '
1141
1142 HAVE_LIST_PUB='
1143     bigendian
1144     fast_unaligned
1145 '
1146
1147 HAVE_LIST="
1148     $ARCH_EXT_LIST
1149     $HAVE_LIST_PUB
1150     $THREADS_LIST
1151     aligned_stack
1152     alsa_asoundlib_h
1153     altivec_h
1154     arpa_inet_h
1155     asm_mod_y
1156     asm_types_h
1157     attribute_may_alias
1158     attribute_packed
1159     cbrtf
1160     closesocket
1161     cmov
1162     dcbzl
1163     dev_bktr_ioctl_bt848_h
1164     dev_bktr_ioctl_meteor_h
1165     dev_ic_bt8xx_h
1166     dev_video_bktr_ioctl_bt848_h
1167     dev_video_meteor_ioctl_meteor_h
1168     dlfcn_h
1169     dlopen
1170     dos_paths
1171     dxva_h
1172     ebp_available
1173     ebx_available
1174     exp2
1175     exp2f
1176     fast_64bit
1177     fast_clz
1178     fast_cmov
1179     fcntl
1180     fork
1181     getaddrinfo
1182     gethrtime
1183     GetProcessAffinityMask
1184     GetProcessMemoryInfo
1185     GetProcessTimes
1186     getrusage
1187     gnu_as
1188     ibm_asm
1189     inet_aton
1190     inline_asm
1191     isatty
1192     kbhit
1193     ldbrx
1194     llrint
1195     llrintf
1196     local_aligned_16
1197     local_aligned_8
1198     localtime_r
1199     log2
1200     log2f
1201     loongson
1202     lrint
1203     lrintf
1204     lzo1x_999_compress
1205     machine_ioctl_bt848_h
1206     machine_ioctl_meteor_h
1207     makeinfo
1208     malloc_h
1209     MapViewOfFile
1210     memalign
1211     mkstemp
1212     mmap
1213     PeekNamedPipe
1214     poll_h
1215     posix_memalign
1216     round
1217     roundf
1218     sched_getaffinity
1219     sdl
1220     sdl_video_size
1221     setmode
1222     setrlimit
1223     sndio_h
1224     socklen_t
1225     soundcard_h
1226     strerror_r
1227     strptime
1228     struct_addrinfo
1229     struct_ipv6_mreq
1230     struct_rusage_ru_maxrss
1231     struct_sockaddr_in6
1232     struct_sockaddr_sa_len
1233     struct_sockaddr_storage
1234     struct_v4l2_frmivalenum_discrete
1235     symver
1236     symver_asm_label
1237     symver_gnu_asm
1238     sysconf
1239     sysctl
1240     sys_mman_h
1241     sys_param_h
1242     sys_resource_h
1243     sys_select_h
1244     sys_soundcard_h
1245     sys_videoio_h
1246     termios_h
1247     threads
1248     trunc
1249     truncf
1250     vfp_args
1251     VirtualAlloc
1252     winsock2_h
1253     xform_asm
1254     xmm_clobbers
1255     yasm
1256 "
1257
1258 # options emitted with CONFIG_ prefix but not available on command line
1259 CONFIG_EXTRA="
1260     avutil
1261     gplv3
1262     lgplv3
1263 "
1264
1265 CMDLINE_SELECT="
1266     $ARCH_EXT_LIST
1267     $CONFIG_LIST
1268     $THREADS_LIST
1269     asm
1270     coverage
1271     cross_compile
1272     debug
1273     extra_warnings
1274     logging
1275     optimizations
1276     stripping
1277     symver
1278     yasm
1279 "
1280
1281 PATHS_LIST='
1282     bindir
1283     datadir
1284     incdir
1285     libdir
1286     mandir
1287     prefix
1288     shlibdir
1289 '
1290
1291 CMDLINE_SET="
1292     $PATHS_LIST
1293     ar
1294     arch
1295     as
1296     build_suffix
1297     progs_suffix
1298     cc
1299     cpu
1300     cross_prefix
1301     cxx
1302     dep_cc
1303     extra_version
1304     host_cc
1305     host_cflags
1306     host_ldflags
1307     host_libs
1308     host_os
1309     install
1310     ld
1311     logfile
1312     malloc_prefix
1313     nm
1314     optflags
1315     pkg_config
1316     samples
1317     strip
1318     sysinclude
1319     sysroot
1320     target_exec
1321     target_os
1322     target_path
1323     postproc_version
1324     valgrind
1325     yasmexe
1326 "
1327
1328 CMDLINE_APPEND="
1329     extra_cflags
1330     extra_cxxflags
1331 "
1332
1333 # code dependency declarations
1334
1335 # architecture extensions
1336
1337 armv5te_deps="arm"
1338 armv6_deps="arm"
1339 armv6t2_deps="arm"
1340 armvfp_deps="arm"
1341 iwmmxt_deps="arm"
1342 neon_deps="arm"
1343 vfpv3_deps="armvfp"
1344
1345 mmi_deps="mips"
1346
1347 altivec_deps="ppc"
1348 ppc4xx_deps="ppc"
1349
1350 vis_deps="sparc"
1351
1352 x86_64_suggest="cmov fast_cmov"
1353 amd3dnow_deps="mmx"
1354 amd3dnowext_deps="amd3dnow"
1355 mmx_deps="x86"
1356 mmx2_deps="mmx"
1357 sse_deps="mmx"
1358 ssse3_deps="sse"
1359 avx_deps="ssse3"
1360
1361 aligned_stack_if_any="ppc x86"
1362 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1363 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1364 fast_unaligned_if_any="armv6 ppc x86"
1365
1366 inline_asm_deps="!tms470"
1367 need_memalign="altivec neon sse"
1368
1369 symver_if_any="symver_asm_label symver_gnu_asm"
1370
1371 # subsystems
1372 dct_select="rdft"
1373 mdct_select="fft"
1374 rdft_select="fft"
1375 mpegaudiodsp_select="dct"
1376
1377 # decoders / encoders / hardware accelerators
1378 aac_decoder_select="mdct sinewin"
1379 aac_encoder_select="mdct sinewin"
1380 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1381 ac3_decoder_select="mdct ac3dsp ac3_parser"
1382 ac3_encoder_select="mdct ac3dsp"
1383 ac3_fixed_encoder_select="mdct ac3dsp"
1384 alac_encoder_select="lpc"
1385 amrnb_decoder_select="lsp"
1386 amrwb_decoder_select="lsp"
1387 atrac1_decoder_select="mdct sinewin"
1388 atrac3_decoder_select="mdct"
1389 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1390 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1391 cavs_decoder_select="golomb"
1392 cook_decoder_select="mdct sinewin"
1393 cscd_decoder_suggest="zlib"
1394 dca_decoder_select="mdct"
1395 dnxhd_encoder_select="aandct"
1396 dxa_decoder_select="zlib"
1397 eac3_decoder_select="ac3_decoder"
1398 eac3_encoder_select="mdct ac3dsp"
1399 eamad_decoder_select="aandct"
1400 eatgq_decoder_select="aandct"
1401 eatqi_decoder_select="aandct"
1402 ffv1_decoder_select="golomb"
1403 flac_decoder_select="golomb"
1404 flac_encoder_select="golomb lpc"
1405 flashsv_decoder_select="zlib"
1406 flashsv_encoder_select="zlib"
1407 flashsv2_encoder_select="zlib"
1408 flashsv2_decoder_select="zlib"
1409 flv_decoder_select="h263_decoder"
1410 flv_encoder_select="h263_encoder"
1411 fraps_decoder_select="huffman"
1412 h261_encoder_select="aandct"
1413 h263_decoder_select="h263_parser"
1414 h263_encoder_select="aandct"
1415 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1416 h263i_decoder_select="h263_decoder"
1417 h263p_encoder_select="h263_encoder"
1418 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1419 h264_decoder_select="golomb h264chroma h264dsp h264pred"
1420 h264_dxva2_hwaccel_deps="dxva2api_h"
1421 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1422 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1423 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1424 h264_vda_hwaccel_select="vda h264_decoder"
1425 h264_vdpau_decoder_select="vdpau h264_decoder"
1426 imc_decoder_select="fft mdct sinewin"
1427 jpegls_decoder_select="golomb"
1428 jpegls_encoder_select="golomb"
1429 ljpeg_encoder_select="aandct"
1430 loco_decoder_select="golomb"
1431 mjpeg_encoder_select="aandct"
1432 mlp_decoder_select="mlp_parser"
1433 mp1_decoder_select="mpegaudiodsp"
1434 mp1float_decoder_select="mpegaudiodsp"
1435 mp2_decoder_select="mpegaudiodsp"
1436 mp2float_decoder_select="mpegaudiodsp"
1437 mp3_decoder_select="mpegaudiodsp"
1438 mp3adu_decoder_select="mpegaudiodsp"
1439 mp3adufloat_decoder_select="mpegaudiodsp"
1440 mp3float_decoder_select="mpegaudiodsp"
1441 mp3on4_decoder_select="mpegaudiodsp"
1442 mp3on4float_decoder_select="mpegaudiodsp"
1443 mpc7_decoder_select="mpegaudiodsp"
1444 mpc8_decoder_select="mpegaudiodsp"
1445 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1446 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1447 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1448 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1449 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1450 mpeg1video_encoder_select="aandct"
1451 mpeg2_crystalhd_decoder_select="crystalhd"
1452 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1453 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1454 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1455 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1456 mpeg2video_encoder_select="aandct"
1457 mpeg4_crystalhd_decoder_select="crystalhd"
1458 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1459 mpeg4_encoder_select="h263_encoder"
1460 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1461 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1462 msmpeg4_crystalhd_decoder_select="crystalhd"
1463 msmpeg4v1_decoder_select="h263_decoder"
1464 msmpeg4v1_encoder_select="h263_encoder"
1465 msmpeg4v2_decoder_select="h263_decoder"
1466 msmpeg4v2_encoder_select="h263_encoder"
1467 msmpeg4v3_decoder_select="h263_decoder"
1468 msmpeg4v3_encoder_select="h263_encoder"
1469 nellymoser_decoder_select="mdct sinewin"
1470 nellymoser_encoder_select="mdct sinewin"
1471 png_decoder_select="zlib"
1472 png_encoder_select="zlib"
1473 qcelp_decoder_select="lsp"
1474 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1475 ra_144_encoder_select="lpc"
1476 rv10_decoder_select="h263_decoder"
1477 rv10_encoder_select="h263_encoder"
1478 rv20_decoder_select="h263_decoder"
1479 rv20_encoder_select="h263_encoder"
1480 rv30_decoder_select="golomb h264chroma h264pred"
1481 rv40_decoder_select="golomb h264chroma h264pred"
1482 shorten_decoder_select="golomb"
1483 sipr_decoder_select="lsp"
1484 snow_decoder_select="dwt"
1485 snow_encoder_select="aandct dwt"
1486 sonic_decoder_select="golomb"
1487 sonic_encoder_select="golomb"
1488 sonic_ls_encoder_select="golomb"
1489 svq1_encoder_select="aandct"
1490 svq3_decoder_select="golomb h264chroma h264dsp h264pred"
1491 svq3_decoder_suggest="zlib"
1492 theora_decoder_select="vp3_decoder"
1493 tiff_decoder_suggest="zlib"
1494 tiff_encoder_suggest="zlib"
1495 truehd_decoder_select="mlp_decoder"
1496 tscc_decoder_select="zlib"
1497 twinvq_decoder_select="mdct lsp sinewin"
1498 vc1_crystalhd_decoder_select="crystalhd"
1499 vc1_decoder_select="h263_decoder h264chroma"
1500 vc1_dxva2_hwaccel_deps="dxva2api_h"
1501 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1502 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1503 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1504 vc1image_decoder_select="vc1_decoder"
1505 vorbis_decoder_select="mdct"
1506 vorbis_encoder_select="mdct"
1507 vp6_decoder_select="huffman"
1508 vp6a_decoder_select="vp6_decoder"
1509 vp6f_decoder_select="vp6_decoder"
1510 vp8_decoder_select="h264pred"
1511 wmapro_decoder_select="mdct sinewin"
1512 wmav1_decoder_select="mdct sinewin"
1513 wmav1_encoder_select="mdct sinewin"
1514 wmav2_decoder_select="mdct sinewin"
1515 wmav2_encoder_select="mdct sinewin"
1516 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1517 wmv1_decoder_select="h263_decoder"
1518 wmv1_encoder_select="h263_encoder"
1519 wmv2_decoder_select="h263_decoder"
1520 wmv2_encoder_select="h263_encoder"
1521 wmv3_decoder_select="vc1_decoder"
1522 wmv3_crystalhd_decoder_select="crystalhd"
1523 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1524 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1525 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1526 wmv3image_decoder_select="wmv3_decoder"
1527 zlib_decoder_select="zlib"
1528 zlib_encoder_select="zlib"
1529 zmbv_decoder_select="zlib"
1530 zmbv_encoder_select="zlib"
1531
1532 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1533 vaapi_deps="va_va_h"
1534 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1535 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1536
1537 # parsers
1538 h264_parser_select="golomb h264chroma h264dsp h264pred"
1539
1540 # external libraries
1541 libaacplus_encoder_deps="libaacplus"
1542 libcelt_decoder_deps="libcelt"
1543 libdirac_decoder_deps="libdirac !libschroedinger"
1544 libdirac_encoder_deps="libdirac"
1545 libfaac_encoder_deps="libfaac"
1546 libgsm_decoder_deps="libgsm"
1547 libgsm_encoder_deps="libgsm"
1548 libgsm_ms_decoder_deps="libgsm"
1549 libgsm_ms_encoder_deps="libgsm"
1550 libmodplug_demuxer_deps="libmodplug"
1551 libmp3lame_encoder_deps="libmp3lame"
1552 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1553 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1554 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1555 libopenjpeg_decoder_deps="libopenjpeg"
1556 libopenjpeg_encoder_deps="libopenjpeg"
1557 libschroedinger_decoder_deps="libschroedinger"
1558 libschroedinger_encoder_deps="libschroedinger"
1559 libspeex_decoder_deps="libspeex"
1560 libspeex_encoder_deps="libspeex"
1561 libstagefright_h264_decoder_deps="libstagefright_h264"
1562 libtheora_encoder_deps="libtheora"
1563 libvo_aacenc_encoder_deps="libvo_aacenc"
1564 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1565 libvorbis_encoder_deps="libvorbis"
1566 libvpx_decoder_deps="libvpx"
1567 libvpx_encoder_deps="libvpx"
1568 libx264_encoder_deps="libx264"
1569 libx264rgb_encoder_deps="libx264"
1570 libxavs_encoder_deps="libxavs"
1571 libxvid_encoder_deps="libxvid"
1572 libutvideo_decoder_deps="libutvideo gpl"
1573
1574 # demuxers / muxers
1575 ac3_demuxer_select="ac3_parser"
1576 asf_stream_muxer_select="asf_muxer"
1577 avisynth_demuxer_deps="avisynth"
1578 dirac_demuxer_select="dirac_parser"
1579 eac3_demuxer_select="ac3_parser"
1580 flac_demuxer_select="flac_parser"
1581 ipod_muxer_select="mov_muxer"
1582 libnut_demuxer_deps="libnut"
1583 libnut_muxer_deps="libnut"
1584 matroska_audio_muxer_select="matroska_muxer"
1585 matroska_demuxer_suggest="zlib bzlib"
1586 mov_demuxer_suggest="zlib"
1587 mp3_demuxer_select="mpegaudio_parser"
1588 mp4_muxer_select="mov_muxer"
1589 mpegtsraw_demuxer_select="mpegts_demuxer"
1590 mxf_d10_muxer_select="mxf_muxer"
1591 ogg_demuxer_select="golomb"
1592 psp_muxer_select="mov_muxer"
1593 rtp_demuxer_select="sdp_demuxer"
1594 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1595 rtsp_demuxer_select="http_protocol rtpdec"
1596 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1597 sap_demuxer_select="sdp_demuxer"
1598 sap_muxer_select="rtp_muxer rtp_protocol"
1599 sdp_demuxer_select="rtpdec"
1600 spdif_muxer_select="aac_parser"
1601 tg2_muxer_select="mov_muxer"
1602 tgp_muxer_select="mov_muxer"
1603 w64_demuxer_deps="wav_demuxer"
1604
1605 # indevs / outdevs
1606 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1607 alsa_outdev_deps="alsa_asoundlib_h"
1608 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1609 dshow_indev_deps="IBaseFilter"
1610 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1611 dv1394_indev_deps="dv1394 dv_demuxer"
1612 fbdev_indev_deps="linux_fb_h"
1613 jack_indev_deps="jack_jack_h sem_timedwait"
1614 lavfi_indev_deps="avfilter"
1615 libcdio_indev_deps="libcdio"
1616 libdc1394_indev_deps="libdc1394"
1617 libv4l2_indev_deps="libv4l2"
1618 openal_indev_deps="openal"
1619 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1620 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1621 pulse_indev_deps="libpulse"
1622 sdl_outdev_deps="sdl"
1623 sndio_indev_deps="sndio_h"
1624 sndio_outdev_deps="sndio_h"
1625 v4l_indev_deps="linux_videodev_h"
1626 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1627 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1628 vfwcap_indev_extralibs="-lavicap32"
1629 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1630 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1631
1632 # protocols
1633 gopher_protocol_deps="network"
1634 httpproxy_protocol_deps="network"
1635 httpproxy_protocol_select="tcp_protocol"
1636 http_protocol_deps="network"
1637 http_protocol_select="tcp_protocol"
1638 https_protocol_select="tls_protocol"
1639 mmsh_protocol_select="http_protocol"
1640 mmst_protocol_deps="network"
1641 rtmp_protocol_select="tcp_protocol"
1642 rtp_protocol_select="udp_protocol"
1643 tcp_protocol_deps="network"
1644 tls_protocol_deps_any="openssl gnutls"
1645 tls_protocol_select="tcp_protocol"
1646 udp_protocol_deps="network"
1647
1648 # filters
1649 amovie_filter_deps="avcodec avformat"
1650 ass_filter_deps="libass"
1651 blackframe_filter_deps="gpl"
1652 boxblur_filter_deps="gpl"
1653 cropdetect_filter_deps="gpl"
1654 delogo_filter_deps="gpl"
1655 drawtext_filter_deps="libfreetype"
1656 frei0r_filter_deps="frei0r dlopen"
1657 frei0r_src_filter_deps="frei0r dlopen"
1658 hqdn3d_filter_deps="gpl"
1659 movie_filter_deps="avcodec avformat"
1660 mp_filter_deps="gpl avcodec"
1661 mptestsrc_filter_deps="gpl"
1662 negate_filter_deps="lut_filter"
1663 ocv_filter_deps="libopencv"
1664 pan_filter_deps="swresample"
1665 scale_filter_deps="swscale"
1666 tinterlace_filter_deps="gpl"
1667 yadif_filter_deps="gpl"
1668
1669 # libraries
1670 avdevice_deps="avcodec avformat"
1671 avformat_deps="avcodec"
1672 postproc_deps="gpl"
1673
1674 # programs
1675 ffplay_deps="avcodec avformat swscale sdl"
1676 ffplay_select="buffersink_filter rdft"
1677 ffprobe_deps="avcodec avformat"
1678 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1679 ffserver_extralibs='$ldl'
1680 ffmpeg_deps="avcodec avformat swscale swresample"
1681 ffmpeg_select="buffersink_filter"
1682
1683 doc_deps="texi2html"
1684
1685 # tests
1686
1687 test_deps(){
1688     suf1=$1
1689     suf2=$2
1690     shift 2
1691     for v; do
1692         dep=${v%=*}
1693         tests=${v#*=}
1694         for name in ${tests}; do
1695             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1696         done
1697     done
1698 }
1699
1700 mxf_d10_test_deps="avfilter"
1701 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1702
1703 test_deps _encoder _decoder                                             \
1704     adpcm_ima_qt                                                        \
1705     adpcm_ima_wav                                                       \
1706     adpcm_ms                                                            \
1707     adpcm_swf                                                           \
1708     adpcm_yamaha=adpcm_yam                                              \
1709     alac                                                                \
1710     asv1                                                                \
1711     asv2                                                                \
1712     bmp                                                                 \
1713     dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1714     dvvideo="dv dv_411 dv50"                                            \
1715     ffv1                                                                \
1716     flac                                                                \
1717     flashsv                                                             \
1718     flv                                                                 \
1719     adpcm_g726=g726                                                     \
1720     gif                                                                 \
1721     h261                                                                \
1722     h263="h263 h263p"                                                   \
1723     huffyuv                                                             \
1724     jpegls                                                              \
1725     mjpeg="jpg mjpeg ljpeg"                                             \
1726     mp2                                                                 \
1727     mpeg1video="mpeg mpeg1b"                                            \
1728     mpeg2video="mpeg2 mpeg2_422 mpeg2_idct_int mpeg2_ilace mpeg2_ivlc_qprd" \
1729     mpeg2video="mpeg2thread mpeg2thread_ilace"                          \
1730     mpeg4="mpeg4 mpeg4_adap mpeg4_qpel mpeg4_qprd mpeg4adv mpeg4nr"     \
1731     mpeg4="mpeg4thread error rc"                                        \
1732     msmpeg4v3=msmpeg4                                                   \
1733     msmpeg4v2                                                           \
1734     pbm=pbmpipe                                                         \
1735     pcx                                                                 \
1736     pgm="pgm pgmpipe"                                                   \
1737     png                                                                 \
1738     ppm="ppm ppmpipe"                                                   \
1739     rawvideo="rgb yuv"                                                  \
1740     roq                                                                 \
1741     rv10                                                                \
1742     rv20                                                                \
1743     sgi                                                                 \
1744     snow="snow snowll"                                                  \
1745     svq1                                                                \
1746     targa=tga                                                           \
1747     tiff                                                                \
1748     wmav1                                                               \
1749     wmav2                                                               \
1750     wmv1                                                                \
1751     wmv2                                                                \
1752
1753 test_deps _muxer _demuxer                                               \
1754     aiff                                                                \
1755     pcm_alaw=alaw                                                       \
1756     asf                                                                 \
1757     au                                                                  \
1758     avi                                                                 \
1759     dv=dv_fmt                                                           \
1760     ffm                                                                 \
1761     flv=flv_fmt                                                         \
1762     gxf                                                                 \
1763     matroska=mkv                                                        \
1764     mmf                                                                 \
1765     mov                                                                 \
1766     pcm_mulaw=mulaw                                                     \
1767     mxf="mxf mxf_d10"                                                   \
1768     nut                                                                 \
1769     ogg                                                                 \
1770     rawvideo=pixfmt                                                     \
1771     rm                                                                  \
1772     swf                                                                 \
1773     mpegts=ts                                                           \
1774     voc                                                                 \
1775     wav                                                                 \
1776     yuv4mpegpipe=yuv4mpeg                                               \
1777
1778 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1779 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1780
1781 # default parameters
1782
1783 logfile="config.log"
1784
1785 # installation paths
1786 prefix_default="/usr/local"
1787 bindir_default='${prefix}/bin'
1788 datadir_default='${prefix}/share/ffmpeg'
1789 incdir_default='${prefix}/include'
1790 libdir_default='${prefix}/lib'
1791 mandir_default='${prefix}/share/man'
1792 shlibdir_default="$libdir_default"
1793 postproc_version_default="current"
1794
1795 # toolchain
1796 ar_default="ar"
1797 cc_default="gcc"
1798 cxx_default="g++"
1799 cc_version=\"unknown\"
1800 host_cc_default="gcc"
1801 install="install"
1802 ln_s="ln -sf"
1803 nm_default="nm"
1804 objformat="elf"
1805 pkg_config_default=pkg-config
1806 ranlib="ranlib"
1807 strip_default="strip"
1808 yasmexe_default="yasm"
1809
1810 nm_opts='-g'
1811 nogas=":"
1812
1813 # machine
1814 arch_default=$(uname -m)
1815 cpu="generic"
1816
1817 # OS
1818 target_os_default=$(tolower $(uname -s))
1819 host_os=$target_os_default
1820
1821 # alternative libpostproc version
1822 ALT_PP_VER_MAJOR=51
1823 ALT_PP_VER_MINOR=2
1824 ALT_PP_VER_MICRO=101
1825 ALT_PP_VER=$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO
1826
1827 # configurable options
1828 enable $PROGRAM_LIST
1829
1830 enable avcodec
1831 enable avdevice
1832 enable avfilter
1833 enable avformat
1834 enable avutil
1835 enable postproc
1836 enable stripping
1837 enable swresample
1838 enable swscale
1839
1840 enable asm
1841 enable debug
1842 enable doc
1843 enable fastdiv
1844 enable network
1845 enable optimizations
1846 enable safe_bitstream_reader
1847 enable static
1848 enable swscale_alpha
1849
1850 # build settings
1851 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1852 FFSERVERLDFLAGS=-Wl,-E
1853 LIBPREF="lib"
1854 LIBSUF=".a"
1855 FULLNAME='$(NAME)$(BUILDSUF)'
1856 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1857 SLIBPREF="lib"
1858 SLIBSUF=".so"
1859 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1860 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1861 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1862 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1863 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1864 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1865
1866 AS_O='-o $@'
1867 CC_O='-o $@'
1868 CXX_O='-o $@'
1869
1870 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1871 host_libs='-lm'
1872
1873 target_path='$(CURDIR)'
1874
1875 # since the object filename is not given with the -MM flag, the compiler
1876 # is only able to print the basename, and we must add the path ourselves
1877 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1878 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1879
1880 # find source path
1881 if test -f configure; then
1882     source_path=.
1883 else
1884     source_path=$(cd $(dirname "$0"); pwd)
1885     echo "$source_path" | grep -q '[[:blank:]]' &&
1886         die "Out of tree builds are impossible with whitespace in source path."
1887     test -e "$source_path/config.h" &&
1888         die "Out of tree builds are impossible with config.h in source dir."
1889 fi
1890
1891 for v in "$@"; do
1892     r=${v#*=}
1893     l=${v%"$r"}
1894     r=$(sh_quote "$r")
1895     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1896 done
1897
1898 find_things(){
1899     thing=$1
1900     pattern=$2
1901     file=$source_path/$3
1902     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1903 }
1904
1905 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1906 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1907 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1908 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1909 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1910 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1911 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1912 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1913 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1914 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1915 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1916
1917 ALL_COMPONENTS="
1918     $BSF_LIST
1919     $DECODER_LIST
1920     $DEMUXER_LIST
1921     $ENCODER_LIST
1922     $FILTER_LIST
1923     $HWACCEL_LIST
1924     $INDEV_LIST
1925     $MUXER_LIST
1926     $OUTDEV_LIST
1927     $PARSER_LIST
1928     $PROTOCOL_LIST
1929 "
1930
1931 find_tests(){
1932     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1933 }
1934
1935 ACODEC_TESTS=$(find_tests acodec)
1936 VCODEC_TESTS=$(find_tests vsynth1)
1937 LAVF_TESTS=$(find_tests lavf)
1938 LAVFI_TESTS=$(find_tests lavfi)
1939 SEEK_TESTS=$(find_tests seek seek_)
1940
1941 ALL_TESTS="$ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1942
1943 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1944
1945 for n in $COMPONENT_LIST; do
1946     v=$(toupper ${n%s})_LIST
1947     eval enable \$$v
1948     eval ${n}_if_any="\$$v"
1949 done
1950
1951 enable $ARCH_EXT_LIST $ALL_TESTS
1952
1953 die_unknown(){
1954     echo "Unknown option \"$1\"."
1955     echo "See $0 --help for available options."
1956     exit 1
1957 }
1958
1959 show_list() {
1960     suffix=_$1
1961     shift
1962     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1963     exit 0
1964 }
1965
1966 for opt do
1967     optval="${opt#*=}"
1968     case "$opt" in
1969     --extra-ldflags=*) add_ldflags $optval
1970     ;;
1971     --extra-libs=*) add_extralibs $optval
1972     ;;
1973     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1974     ;;
1975     --enable-debug=*) debuglevel="$optval"
1976     ;;
1977     --disable-everything)
1978     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1979     ;;
1980     --enable-*=*|--disable-*=*)
1981     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1982     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1983     eval list=\$$(toupper $thing)_LIST
1984     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1985     $action $(filter "$name" $list)
1986     ;;
1987     --enable-?*|--disable-?*)
1988     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1989     if is_in $option $COMPONENT_LIST; then
1990         test $action = disable && action=unset
1991         eval $action \$$(toupper ${option%s})_LIST
1992     elif is_in $option $CMDLINE_SELECT; then
1993         $action $option
1994     else
1995         die_unknown $opt
1996     fi
1997     ;;
1998     --list-*)
1999         NAME="${opt#--list-}"
2000         is_in $NAME $COMPONENT_LIST || die_unknown $opt
2001         NAME=${NAME%s}
2002         eval show_list $NAME \$$(toupper $NAME)_LIST
2003     ;;
2004     --help|-h) show_help
2005     ;;
2006     *)
2007     optname="${opt%%=*}"
2008     optname="${optname#--}"
2009     optname=$(echo "$optname" | sed 's/-/_/g')
2010     if is_in $optname $CMDLINE_SET; then
2011         eval $optname='$optval'
2012     elif is_in $optname $CMDLINE_APPEND; then
2013         append $optname "$optval"
2014     else
2015          die_unknown $opt
2016     fi
2017     ;;
2018     esac
2019 done
2020
2021 disabled logging && logfile=/dev/null
2022
2023 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2024 set >> $logfile
2025
2026 test -n "$cross_prefix" && enable cross_compile
2027
2028 if enabled cross_compile; then
2029     test -n "$arch" && test -n "$target_os" ||
2030         die "Must specify target arch and OS when cross-compiling"
2031 fi
2032
2033 set_default arch target_os postproc_version
2034
2035 # Check if we should build alternative libpostproc version instead of current
2036 if   test "$postproc_version" = $ALT_PP_VER; then
2037   LIBPOSTPROC_VERSION=$ALT_PP_VER
2038   LIBPOSTPROC_VERSION_MAJOR=$ALT_PP_VER_MAJOR
2039   LIBPOSTPROC_VERSION_MINOR=$ALT_PP_VER_MINOR
2040   LIBPOSTPROC_VERSION_MICRO=$ALT_PP_VER_MICRO
2041 elif test "$postproc_version" != current; then
2042   die "Invalid argument to --postproc-version. See --help output."
2043 fi
2044
2045 ar_default="${cross_prefix}${ar_default}"
2046 cc_default="${cross_prefix}${cc_default}"
2047 cxx_default="${cross_prefix}${cxx_default}"
2048 nm_default="${cross_prefix}${nm_default}"
2049 pkg_config_default="${cross_prefix}${pkg_config_default}"
2050 ranlib="${cross_prefix}${ranlib}"
2051 strip_default="${cross_prefix}${strip_default}"
2052
2053 sysinclude_default="${sysroot}/usr/include"
2054
2055 set_default cc cxx nm pkg_config strip sysinclude yasmexe
2056 enabled cross_compile || host_cc_default=$cc
2057 set_default host_cc
2058
2059 if ! $pkg_config --version >/dev/null 2>&1; then
2060     warn "$pkg_config not found, library detection may fail."
2061     pkg_config=false
2062 fi
2063
2064 exesuf() {
2065     case $1 in
2066         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2067     esac
2068 }
2069
2070 EXESUF=$(exesuf $target_os)
2071 HOSTEXESUF=$(exesuf $host_os)
2072
2073 # set temporary file name
2074 : ${TMPDIR:=$TEMPDIR}
2075 : ${TMPDIR:=$TMP}
2076 : ${TMPDIR:=/tmp}
2077
2078 if ! check_cmd mktemp -u XXXXXX; then
2079     # simple replacement for missing mktemp
2080     # NOT SAFE FOR GENERAL USE
2081     mktemp(){
2082         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2083     }
2084 fi
2085
2086 tmpfile(){
2087     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2088         (set -C; exec > $tmp) 2>/dev/null ||
2089         die "Unable to create temporary file in $TMPDIR."
2090     append TMPFILES $tmp
2091     eval $1=$tmp
2092 }
2093
2094 trap 'rm -f -- $TMPFILES' EXIT
2095
2096 tmpfile TMPASM .asm
2097 tmpfile TMPC   .c
2098 tmpfile TMPCPP .cpp
2099 tmpfile TMPE   $EXESUF
2100 tmpfile TMPH   .h
2101 tmpfile TMPO   .o
2102 tmpfile TMPS   .S
2103 tmpfile TMPSH  .sh
2104 tmpfile TMPV   .ver
2105
2106 unset -f mktemp
2107
2108 chmod +x $TMPE
2109
2110 # make sure we can execute files in $TMPDIR
2111 cat > $TMPSH 2>> $logfile <<EOF
2112 #! /bin/sh
2113 EOF
2114 chmod +x $TMPSH >> $logfile 2>&1
2115 if ! $TMPSH >> $logfile 2>&1; then
2116     cat <<EOF
2117 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2118 variable to another directory and make sure that it is not mounted noexec.
2119 EOF
2120     die "Sanity test failed."
2121 fi
2122
2123 filter_asflags=echo
2124 filter_cflags=echo
2125 filter_cppflags=echo
2126
2127 if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2128     cc_type=llvm_gcc
2129     cc_version=__VERSION__
2130     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
2131     cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
2132     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2133     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2134     speed_cflags='-O3'
2135     size_cflags='-Os'
2136 elif $cc -v 2>&1 | grep -qi ^gcc; then
2137     cc_type=gcc
2138     cc_version=__VERSION__
2139     gcc_version=$($cc --version | head -n1)
2140     gcc_basever=$($cc -dumpversion)
2141     gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2142     gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2143     cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2144     if ! $cc -dumpversion | grep -q '^2\.'; then
2145         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2146         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2147     fi
2148     speed_cflags='-O3'
2149     size_cflags='-Os'
2150 elif $cc --version 2>/dev/null | grep -q Intel; then
2151     cc_type=icc
2152     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
2153     cc_ident=$($cc --version | head -n1)
2154     icc_version=$($cc -dumpversion)
2155     CC_DEPFLAGS='-MMD'
2156     AS_DEPFLAGS='-MMD'
2157     speed_cflags='-O3'
2158     size_cflags='-Os'
2159     noopt_cflags='-O1'
2160 elif $cc -v 2>&1 | grep -q xlc; then
2161     cc_type=xlc
2162     cc_version="AV_STRINGIFY(__IBMC__)"
2163     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2164     speed_cflags='-O5'
2165     size_cflags='-O5 -qcompact'
2166 elif $cc -V 2>/dev/null | grep -q Compaq; then
2167     cc_type=ccc
2168     cc_version="AV_STRINGIFY(__DECC_VER)"
2169     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2170     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2171     debuglevel=3
2172     add_ldflags -Wl,-z,now # calls to libots crash without this
2173     speed_cflags='-fast'
2174     size_cflags='-O1'
2175 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2176     test -d "$sysroot" || die "No valid sysroot specified."
2177     cc_type=armcc
2178     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2179     cc_ident=$($cc --vsn | head -n1)
2180     armcc_conf="$PWD/armcc.conf"
2181     $cc --arm_linux_configure                 \
2182         --arm_linux_config_file="$armcc_conf" \
2183         --configure_sysroot="$sysroot"        \
2184         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2185         die "Error creating armcc configuration file."
2186     $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2187     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2188     as_default="${cross_prefix}gcc"
2189     CC_DEPFLAGS='-MMD'
2190     AS_DEPFLAGS='-MMD'
2191     speed_cflags='-O3'
2192     size_cflags='-Os'
2193     filter_asflags="filter_out -W${armcc_opt}*"
2194 elif $cc -version 2>/dev/null | grep -q TMS470; then
2195     cc_type=tms470
2196     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2197     cc_ident=$($cc -version | head -n1 | tr -s ' ')
2198     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2199     CC_O='-fr=$(@D)'
2200     as_default="${cross_prefix}gcc"
2201     ld_default="${cross_prefix}gcc"
2202     TMPO=$(basename $TMPC .c).o
2203     append TMPFILES $TMPO
2204     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2205     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2206     AS_DEPFLAGS='-MMD'
2207     speed_cflags='-O3 -mf=5'
2208     size_cflags='-O3 -mf=2'
2209     filter_cflags=tms470_flags
2210     tms470_flags(){
2211         for flag; do
2212             case $flag in
2213                 -march=*|-mcpu=*)
2214                     case "${flag#*=}" in
2215                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
2216                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
2217                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
2218                         armv6*|arm11*)          echo -mv=6   ;;
2219                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2220                                                 echo -mv=5e  ;;
2221                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2222                     esac
2223                     ;;
2224                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2225                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
2226                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2227                 -msoft-float)   echo --float_support=vfplib       ;;
2228                 -O[0-3]|-mf=*)  echo $flag                        ;;
2229                 -g)             echo -g -mn                       ;;
2230                 -pds=*)         echo $flag                        ;;
2231             esac
2232         done
2233     }
2234 elif $cc -v 2>&1 | grep -q clang; then
2235     cc_type=clang
2236     $cc -dM -E $TMPC | grep -q __clang_version__ &&
2237         cc_version=__clang_version__ || cc_version=__VERSION__
2238     cc_ident=$($cc --version | head -n1)
2239     CC_DEPFLAGS='-MMD'
2240     AS_DEPFLAGS='-MMD'
2241     speed_cflags='-O3'
2242     size_cflags='-Os'
2243 elif $cc -V 2>&1 | grep -q Sun; then
2244     cc_type=suncc
2245     cc_version="AV_STRINGIFY(__SUNPRO_C)"
2246     cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2247     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2248     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2249     add_ldflags -xc99
2250     speed_cflags='-O5'
2251     size_cflags='-O5 -xspace'
2252     filter_cflags=suncc_flags
2253     suncc_flags(){
2254         for flag; do
2255             case $flag in
2256                 -march=*|-mcpu=*)
2257                     case "${flag#*=}" in
2258                         native)                   echo -xtarget=native       ;;
2259                         v9|niagara)               echo -xarch=sparc          ;;
2260                         ultrasparc)               echo -xarch=sparcvis       ;;
2261                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2262                         i586|pentium)             echo -xchip=pentium        ;;
2263                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2264                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2265                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2266                         pentium4*)          echo -xtarget=pentium4           ;;
2267                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2268                         *-sse3)             echo -xarch=sse3                 ;;
2269                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
2270                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2271                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2272                         k8|opteron|athlon64|athlon-fx)
2273                                                   echo -xarch=sse2a          ;;
2274                         athlon*)                  echo -xarch=pentium_proa   ;;
2275                     esac
2276                     ;;
2277                 -std=c99)             echo -xc99              ;;
2278                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
2279                 -fPIC)                echo -KPIC -xcode=pic32 ;;
2280                 -W*,*)                echo $flag              ;;
2281                 -f*-*|-W*)                                    ;;
2282                 *)                    echo $flag              ;;
2283             esac
2284         done
2285     }
2286 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2287     cc_type=pathscale
2288     cc_version=__PATHSCALE__
2289     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2290     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2291     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2292     speed_cflags='-O2'
2293     size_cflags='-Os'
2294     filter_cflags='filter_out -Wdisabled-optimization'
2295 elif $cc -v 2>&1 | grep -q Open64; then
2296     cc_type=open64
2297     cc_version=__OPEN64__
2298     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2299     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2300     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2301     speed_cflags='-O2'
2302     size_cflags='-Os'
2303     filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2304 fi
2305
2306 test -n "$cc_type" && enable $cc_type ||
2307     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2308
2309 : ${as_default:=$cc}
2310 : ${dep_cc_default:=$cc}
2311 : ${ld_default:=$cc}
2312 set_default ar as dep_cc ld
2313
2314 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2315 test -n "$CXX_DEPFLAGS" || CXXDEP=$DEPEND_CMD
2316 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2317
2318 add_cflags $extra_cflags
2319 add_cxxflags $extra_cxxflags
2320 add_asflags $extra_cflags
2321
2322 if test -n "$sysroot"; then
2323     case "$cc_type" in
2324         gcc|llvm_gcc|clang)
2325             add_cppflags --sysroot="$sysroot"
2326             add_ldflags --sysroot="$sysroot"
2327         ;;
2328         tms470)
2329             add_cppflags -I"$sysinclude"
2330             add_ldflags  --sysroot="$sysroot"
2331         ;;
2332     esac
2333 fi
2334
2335 if test "$cpu" = host; then
2336     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2337
2338     case "$cc_type" in
2339         gcc|llvm_gcc)
2340             check_native(){
2341                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2342                 sed -n "/cc1.*$1=/{
2343                             s/.*$1=\\([^ ]*\\).*/\\1/
2344                             p
2345                             q
2346                         }" $TMPE
2347             }
2348             cpu=$(check_native -march || check_native -mcpu)
2349         ;;
2350     esac
2351
2352     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2353 fi
2354
2355 # Deal with common $arch aliases
2356 case "$arch" in
2357     arm*|iPad*)
2358         arch="arm"
2359     ;;
2360     mips|mipsel|IP*)
2361         arch="mips"
2362     ;;
2363     mips64*)
2364         arch="mips"
2365         subarch="mips64"
2366     ;;
2367     parisc|hppa)
2368         arch="parisc"
2369     ;;
2370     parisc64|hppa64)
2371         arch="parisc"
2372         subarch="parisc64"
2373     ;;
2374     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2375         arch="ppc"
2376     ;;
2377     s390|s390x)
2378         arch="s390"
2379     ;;
2380     sh4|sh)
2381         arch="sh4"
2382     ;;
2383     sun4u|sparc64)
2384         arch="sparc"
2385         subarch="sparc64"
2386     ;;
2387     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2388         arch="x86"
2389     ;;
2390 esac
2391
2392 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2393 enable $arch
2394
2395 # Add processor-specific flags
2396 if test "$cpu" = generic; then
2397     : do nothing
2398 elif enabled ppc; then
2399
2400     case $(tolower $cpu) in
2401         601|ppc601|powerpc601)
2402             cpuflags="-mcpu=601"
2403             disable altivec
2404         ;;
2405         603*|ppc603*|powerpc603*)
2406             cpuflags="-mcpu=603"
2407             disable altivec
2408         ;;
2409         604*|ppc604*|powerpc604*)
2410             cpuflags="-mcpu=604"
2411             disable altivec
2412         ;;
2413         g3|75*|ppc75*|powerpc75*)
2414             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2415             disable altivec
2416         ;;
2417         g4|745*|ppc745*|powerpc745*)
2418             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2419         ;;
2420         74*|ppc74*|powerpc74*)
2421             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2422         ;;
2423         g5|970|ppc970|powerpc970|power4*)
2424             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2425         ;;
2426         cell)
2427             cpuflags="-mcpu=cell"
2428             enable ldbrx
2429         ;;
2430         e500v2)
2431             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2432             disable altivec
2433         ;;
2434         e500)
2435             cpuflags="-mcpu=8540 -mhard-float"
2436             disable altivec
2437         ;;
2438     esac
2439
2440 elif enabled x86; then
2441
2442     case $cpu in
2443         i[345]86|pentium)
2444             cpuflags="-march=$cpu"
2445             disable mmx
2446         ;;
2447         # targets that do NOT support conditional mov (cmov)
2448         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2449             cpuflags="-march=$cpu"
2450             disable cmov
2451         ;;
2452         # targets that do support conditional mov (cmov)
2453         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2454             cpuflags="-march=$cpu"
2455             enable cmov
2456             enable fast_cmov
2457         ;;
2458         # targets that do support conditional mov but on which it's slow
2459         pentium4|pentium4m|prescott|nocona)
2460             cpuflags="-march=$cpu"
2461             enable cmov
2462             disable fast_cmov
2463         ;;
2464     esac
2465
2466 elif enabled sparc; then
2467
2468     case $cpu in
2469         niagara)
2470             cpuflags="-mcpu=$cpu"
2471             disable vis
2472         ;;
2473         sparc64)
2474             cpuflags="-mcpu=v9"
2475         ;;
2476     esac
2477
2478 elif enabled arm; then
2479
2480     case $cpu in
2481         armv*)
2482             cpuflags="-march=$cpu"
2483             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2484         ;;
2485         *)
2486             cpuflags="-mcpu=$cpu"
2487             case $cpu in
2488                 cortex-a*)                               subarch=armv7a  ;;
2489                 cortex-r*)                               subarch=armv7r  ;;
2490                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2491                 arm11*)                                  subarch=armv6   ;;
2492                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2493                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2494             esac
2495         ;;
2496     esac
2497
2498 elif enabled alpha; then
2499
2500     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2501
2502 elif enabled bfin; then
2503
2504     cpuflags="-mcpu=$cpu"
2505
2506 elif enabled mips; then
2507
2508     cpuflags="-march=$cpu"
2509
2510 elif enabled avr32; then
2511
2512     case $cpu in
2513         ap7[02]0[0-2])
2514             subarch="avr32_ap"
2515             cpuflags="-mpart=$cpu"
2516         ;;
2517         ap)
2518             subarch="avr32_ap"
2519             cpuflags="-march=$cpu"
2520         ;;
2521         uc3[ab]*)
2522             subarch="avr32_uc"
2523             cpuflags="-mcpu=$cpu"
2524         ;;
2525         uc)
2526             subarch="avr32_uc"
2527             cpuflags="-march=$cpu"
2528         ;;
2529     esac
2530
2531 fi
2532
2533 add_cflags $cpuflags
2534 add_asflags $cpuflags
2535
2536 # compiler sanity check
2537 check_exec <<EOF
2538 int main(void){ return 0; }
2539 EOF
2540 if test "$?" != 0; then
2541     echo "$cc is unable to create an executable file."
2542     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2543         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2544         echo "Only do this if you know what cross compiling means."
2545     fi
2546     die "C compiler test failed."
2547 fi
2548
2549 add_cppflags -D_ISOC99_SOURCE
2550 add_cxxflags -D__STDC_CONSTANT_MACROS
2551 check_cflags -std=c99
2552 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2553 #include <stdlib.h>
2554 EOF
2555 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2556 #include <stdlib.h>
2557 EOF
2558
2559 check_host_cflags -std=c99
2560 check_host_cflags -Wall
2561
2562 case "$arch" in
2563     alpha|ia64|mips|parisc|ppc|sparc)
2564         spic=$shared
2565     ;;
2566     x86)
2567         subarch="x86_32"
2568         check_cc <<EOF && subarch="x86_64"
2569         int test[(int)sizeof(char*) - 7];
2570 EOF
2571         if test "$subarch" = "x86_64"; then
2572             spic=$shared
2573         fi
2574     ;;
2575     ppc)
2576         check_cc <<EOF && subarch="ppc64"
2577         int test[(int)sizeof(char*) - 7];
2578 EOF
2579     ;;
2580 esac
2581
2582 enable $subarch
2583 enabled spic && enable pic
2584
2585 # OS specific
2586 case $target_os in
2587     haiku)
2588         prefix_default="/boot/common"
2589         network_extralibs="-lnetwork"
2590         host_libs=
2591         ;;
2592     sunos)
2593         FFSERVERLDFLAGS=""
2594         SHFLAGS='-shared -Wl,-h,$$(@F)'
2595         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2596         network_extralibs="-lsocket -lnsl"
2597         add_cppflags -D__EXTENSIONS__
2598         # When using suncc to build, the Solaris linker will mark
2599         # an executable with each instruction set encountered by
2600         # the Solaris assembler.  As our libraries contain their own
2601         # guards for processor-specific code, instead suppress
2602         # generation of the HWCAPS ELF section on Solaris x86 only.
2603         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2604         nm_opts='-P -g'
2605         ;;
2606     netbsd)
2607         disable symver
2608         oss_indev_extralibs="-lossaudio"
2609         oss_outdev_extralibs="-lossaudio"
2610         ;;
2611     openbsd)
2612         enable malloc_aligned
2613         # On OpenBSD 4.5. the compiler does not use PIC unless
2614         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2615         # however the generated executable will not do anything
2616         # (simply quits with exit-code 1, no crash, no output).
2617         # Thus explicitly enable PIC here.
2618         enable pic
2619         disable symver
2620         SHFLAGS='-shared'
2621         oss_indev_extralibs="-lossaudio"
2622         oss_outdev_extralibs="-lossaudio"
2623         ;;
2624     dragonfly)
2625         enable malloc_aligned
2626         disable symver
2627         ;;
2628     freebsd)
2629         enable malloc_aligned
2630         ;;
2631     bsd/os)
2632         add_extralibs -lpoll -lgnugetopt
2633         strip="strip -d"
2634         ;;
2635     darwin)
2636         enable malloc_aligned
2637         gas="gas-preprocessor.pl $cc"
2638         enabled ppc && add_asflags -force_cpusubtype_ALL
2639         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2640         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2641         strip="${strip} -x"
2642         add_ldflags -Wl,-dynamic,-search_paths_first
2643         SLIBSUF=".dylib"
2644         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2645         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2646         FFSERVERLDFLAGS=-Wl,-bind_at_load
2647         objformat="macho"
2648         enabled x86_64 && objformat="macho64"
2649         enabled_any pic shared ||
2650             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2651         ;;
2652     mingw32*)
2653         if test $target_os = "mingw32ce"; then
2654             disable network
2655         else
2656             target_os=mingw32
2657         fi
2658         LIBTARGET=i386
2659         if enabled x86_64; then
2660             enable malloc_aligned
2661             LIBTARGET=x64
2662         elif enabled arm; then
2663             LIBTARGET=arm-wince
2664         fi
2665         shlibdir_default="$bindir_default"
2666         SLIBPREF=""
2667         SLIBSUF=".dll"
2668         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2669         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2670         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2671         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2672         SLIB_INSTALL_LINKS=
2673         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2674         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2675         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'
2676         objformat="win32"
2677         enable dos_paths
2678         check_cflags -fno-common
2679         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2680                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2681                 die "ERROR: MinGW runtime version must be >= 3.15."
2682         add_cppflags -U__STRICT_ANSI__
2683         ;;
2684     cygwin*)
2685         target_os=cygwin
2686         shlibdir_default="$bindir_default"
2687         SLIBPREF="cyg"
2688         SLIBSUF=".dll"
2689         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2690         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2691         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2692         objformat="win32"
2693         enable dos_paths
2694         check_cflags -fno-common
2695         add_cppflags -U__STRICT_ANSI__
2696         ;;
2697     *-dos|freedos|opendos)
2698         network_extralibs="-lsocket"
2699         objformat="coff"
2700         enable dos_paths
2701         add_cppflags -U__STRICT_ANSI__
2702         ;;
2703     linux)
2704         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2705         enable dv1394
2706         ;;
2707     irix*)
2708         target_os=irix
2709         ranlib="echo ignoring ranlib"
2710         ;;
2711     os/2*)
2712         strip="lxlite -CS"
2713         ln_s="cp -f"
2714         objformat="aout"
2715         add_cppflags -D_GNU_SOURCE
2716         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2717         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2718         FFSERVERLDFLAGS=""
2719         LIBSUF="_s.a"
2720         SLIBPREF=""
2721         SLIBSUF=".dll"
2722         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2723         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2724         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2725           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2726           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2727           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2728           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2729           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2730         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2731           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2732         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2733         enable dos_paths
2734         enable_weak os2threads
2735         ;;
2736     gnu/kfreebsd)
2737         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2738         ;;
2739     gnu)
2740         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2741         ;;
2742     qnx)
2743         add_cppflags -D_QNX_SOURCE
2744         network_extralibs="-lsocket"
2745         ;;
2746     symbian)
2747         SLIBSUF=".dll"
2748         enable dos_paths
2749         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2750         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2751         add_ldflags -Wl,--target1-abs,--no-undefined \
2752                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2753                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2754         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2755                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2756                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2757         ;;
2758     none)
2759         ;;
2760     *)
2761         die "Unknown OS '$target_os'."
2762         ;;
2763 esac
2764
2765 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2766
2767 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2768
2769 set_default $PATHS_LIST
2770
2771 # we need to build at least one lib type
2772 if ! enabled_any static shared; then
2773     cat <<EOF
2774 At least one library type must be built.
2775 Specify --enable-static to build the static libraries or --enable-shared to
2776 build the shared libraries as well. To only build the shared libraries specify
2777 --disable-static in addition to --enable-shared.
2778 EOF
2779     exit 1;
2780 fi
2781
2782 die_license_disabled() {
2783     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2784 }
2785
2786 die_license_disabled gpl libcdio
2787 die_license_disabled gpl libx264
2788 die_license_disabled gpl libxavs
2789 die_license_disabled gpl libxvid
2790 die_license_disabled gpl x11grab
2791
2792 die_license_disabled nonfree libaacplus
2793 die_license_disabled nonfree libfaac
2794 die_license_disabled nonfree openssl
2795
2796 die_license_disabled version3 libopencore_amrnb
2797 die_license_disabled version3 libopencore_amrwb
2798 die_license_disabled version3 libvo_aacenc
2799 die_license_disabled version3 libvo_amrwbenc
2800
2801 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2802
2803 disabled optimizations || check_cflags -fomit-frame-pointer
2804
2805 enable_pic() {
2806     enable pic
2807     add_cppflags -DPIC
2808     add_cflags   -fPIC
2809     add_asflags  -fPIC
2810 }
2811
2812 enabled pic && enable_pic
2813
2814 check_cc <<EOF || die "Symbol mangling check failed."
2815 int ff_extern;
2816 EOF
2817 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2818 extern_prefix=${sym%%ff_extern*}
2819
2820 check_cc <<EOF && enable inline_asm
2821 void foo(void) { __asm__ volatile ("" ::); }
2822 EOF
2823
2824 _restrict=
2825 for restrict_keyword in restrict __restrict__ __restrict; do
2826     check_cc <<EOF && _restrict=$restrict_keyword && break
2827 void foo(char * $restrict_keyword p);
2828 EOF
2829 done
2830
2831 check_cc <<EOF && enable attribute_packed
2832 struct { int x; } __attribute__((packed)) x;
2833 EOF
2834
2835 check_cc <<EOF && enable attribute_may_alias
2836 union { int x; } __attribute__((may_alias)) x;
2837 EOF
2838
2839 check_cc <<EOF || die "endian test failed"
2840 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2841 EOF
2842 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2843
2844 if enabled alpha; then
2845
2846     check_cflags -mieee
2847
2848 elif enabled arm; then
2849
2850     enabled thumb && check_cflags -mthumb || check_cflags -marm
2851     nogas=die
2852
2853     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2854         enable vfp_args
2855     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2856         case "${cross_prefix:-$cc}" in
2857             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2858             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2859 __asm__ (".eabi_attribute 28, 1");
2860 int main(void) { return 0; }
2861 EOF
2862         esac
2863         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2864     fi
2865
2866     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2867     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2868     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2869     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2870     enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2871     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2872     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
2873
2874     check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2875
2876     enabled_all armv6t2 shared !pic && enable_pic
2877
2878 elif enabled mips; then
2879
2880     check_asm loongson '"dmult.g $1, $2, $3"'
2881     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2882
2883 elif enabled ppc; then
2884
2885     enable local_aligned_8 local_aligned_16
2886
2887     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2888     check_asm ibm_asm   '"add 0, 0, 0"'
2889     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2890     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2891
2892     # AltiVec flags: The FSF version of GCC differs from the Apple version
2893     if enabled altivec; then
2894         nogas=warn
2895         check_cflags -maltivec -mabi=altivec &&
2896         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2897         check_cflags -faltivec
2898
2899         # check if our compiler supports Motorola AltiVec C API
2900         check_cc <<EOF || disable altivec
2901 $inc_altivec_h
2902 int main(void) {
2903     vector signed int v1 = (vector signed int) { 0 };
2904     vector signed int v2 = (vector signed int) { 1 };
2905     v1 = vec_add(v1, v2);
2906     return 0;
2907 }
2908 EOF
2909
2910         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
2911     fi
2912
2913 elif enabled sparc; then
2914
2915     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2916         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2917
2918 elif enabled x86; then
2919
2920     enable local_aligned_8 local_aligned_16
2921
2922     # check whether EBP is available on x86
2923     # As 'i' is stored on the stack, this program will crash
2924     # if the base pointer is used to access it because the
2925     # base pointer is cleared in the inline assembly code.
2926     check_exec_crash <<EOF && enable ebp_available
2927     volatile int i=0;
2928     __asm__ volatile (
2929         "xorl %%ebp, %%ebp"
2930     ::: "%ebp");
2931     return i;
2932 EOF
2933
2934     # check whether EBX is available on x86
2935     check_asm ebx_available '""::"b"(0)' &&
2936         check_asm ebx_available '"":::"%ebx"'
2937
2938     # check whether xmm clobbers are supported
2939     check_asm xmm_clobbers '"":::"%xmm0"'
2940
2941     # check whether binutils is new enough to compile SSSE3/MMX2
2942     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2943     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2944
2945     if ! disabled_any asm mmx yasm; then
2946         if check_cmd $yasmexe --version; then
2947             enabled x86_64 && yasm_extra="-m amd64"
2948             yasm_debug="-g dwarf2"
2949         elif check_cmd nasm -v; then
2950             yasmexe=nasm
2951             yasm_debug="-g -F dwarf"
2952             enabled x86_64 && test "$objformat" = elf && objformat=elf64
2953         fi
2954
2955         YASMFLAGS="-f $objformat $yasm_extra"
2956         enabled pic               && append YASMFLAGS "-DPIC"
2957         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2958         case "$objformat" in
2959             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2960         esac
2961
2962         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2963             die "yasm not found, use --disable-yasm for a crippled build"
2964         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2965     fi
2966
2967     case "$cpu" in
2968         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2969             disable fast_clz
2970         ;;
2971     esac
2972
2973 fi
2974
2975 if enabled asm; then
2976     as=${gas:=$as}
2977     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2978         $nogas "GNU assembler not found, install gas-preprocessor"
2979 fi
2980
2981 check_ldflags -Wl,--as-needed
2982
2983 if check_func dlopen; then
2984     ldl=
2985 elif check_func dlopen -ldl; then
2986     ldl=-ldl
2987 fi
2988
2989 if enabled network; then
2990     check_type "sys/types.h sys/socket.h" socklen_t
2991     check_type netdb.h "struct addrinfo"
2992     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2993     check_type netinet/in.h "struct sockaddr_in6"
2994     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2995     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2996     # Prefer arpa/inet.h over winsock2
2997     if check_header arpa/inet.h ; then
2998         check_func closesocket
2999     elif check_header winsock2.h ; then
3000         check_func_headers winsock2.h closesocket -lws2 && \
3001             network_extralibs="-lws2" || \
3002         { check_func_headers winsock2.h closesocket -lws2_32 && \
3003             network_extralibs="-lws2_32"; }
3004         check_type ws2tcpip.h socklen_t
3005         check_type ws2tcpip.h "struct addrinfo"
3006         check_type ws2tcpip.h "struct ipv6_mreq"
3007         check_type ws2tcpip.h "struct sockaddr_in6"
3008         check_type ws2tcpip.h "struct sockaddr_storage"
3009         check_struct winsock2.h "struct sockaddr" sa_len
3010     else
3011         disable network
3012     fi
3013 fi
3014
3015 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3016 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3017
3018 check_func  fcntl
3019 check_func  fork
3020 check_func  getaddrinfo $network_extralibs
3021 check_func  gethrtime
3022 check_func  getrusage
3023 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3024 check_func  inet_aton $network_extralibs
3025 check_func  isatty
3026 check_func  localtime_r
3027 check_func  ${malloc_prefix}memalign            && enable memalign
3028 check_func  mkstemp
3029 check_func  mmap
3030 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
3031 check_func  setrlimit
3032 check_func  strerror_r
3033 check_func  strptime
3034 check_func  sched_getaffinity
3035 check_func  sysconf
3036 check_func  sysctl
3037 check_func_headers conio.h kbhit
3038 check_func_headers windows.h PeekNamedPipe
3039 check_func_headers io.h setmode
3040 check_func_headers lzo/lzo1x.h lzo1x_999_compress
3041 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3042 check_func_headers windows.h GetProcessAffinityMask
3043 check_func_headers windows.h GetProcessTimes
3044 check_func_headers windows.h MapViewOfFile
3045 check_func_headers windows.h VirtualAlloc
3046
3047 check_header dlfcn.h
3048 check_header dxva.h
3049 check_header dxva2api.h -D_WIN32_WINNT=0x0600
3050 check_header libcrystalhd/libcrystalhd_if.h
3051 check_header malloc.h
3052 check_header poll.h
3053 check_header sys/mman.h
3054 check_header sys/param.h
3055 check_header sys/resource.h
3056 check_header sys/select.h
3057 check_header termios.h
3058 check_header vdpau/vdpau.h
3059 check_header vdpau/vdpau_x11.h
3060 check_header X11/extensions/XvMClib.h
3061 check_header asm/types.h
3062
3063 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3064 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3065
3066 # check for VDA header
3067 if ! disabled vda; then
3068     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3069         enable vda
3070         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3071     fi
3072 fi
3073
3074 if ! disabled w32threads && ! enabled pthreads; then
3075     check_func _beginthreadex && enable w32threads
3076 fi
3077
3078 # check for some common methods of building with pthread support
3079 # do this before the optional library checks as some of them require pthreads
3080 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3081     enable pthreads
3082     if check_func pthread_create; then
3083         :
3084     elif check_func pthread_create -pthread; then
3085         add_cflags -pthread
3086         add_extralibs -pthread
3087     elif check_func pthread_create -pthreads; then
3088         add_cflags -pthreads
3089         add_extralibs -pthreads
3090     elif check_func pthread_create -lpthreadGC2; then
3091         add_extralibs -lpthreadGC2
3092     elif ! check_lib pthread.h pthread_create -lpthread; then
3093         disable pthreads
3094     fi
3095 fi
3096
3097 for thread in $THREADS_LIST; do
3098     if enabled $thread; then
3099         test -n "$thread_type" &&
3100             die "ERROR: Only one thread type must be selected." ||
3101             thread_type="$thread"
3102     fi
3103 done
3104
3105 check_lib math.h sin -lm && LIBM="-lm"
3106 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3107 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3108
3109 check_mathfunc cbrtf
3110 check_mathfunc exp2
3111 check_mathfunc exp2f
3112 check_mathfunc llrint
3113 check_mathfunc llrintf
3114 check_mathfunc log2
3115 check_mathfunc log2f
3116 check_mathfunc lrint
3117 check_mathfunc lrintf
3118 check_mathfunc round
3119 check_mathfunc roundf
3120 check_mathfunc trunc
3121 check_mathfunc truncf
3122
3123 # these are off by default, so fail if requested and not available
3124 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3125 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3126 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3127 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3128 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3129 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0 &&
3130                       { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
3131                         die "ERROR: libcelt version must be >= 0.11.0."; }
3132 enabled libdc1394  && require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new
3133 enabled libdirac   && require_pkg_config dirac                          \
3134     "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h"  \
3135     "dirac_decoder_init dirac_encoder_init"
3136 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3137 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3138 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3139 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3140 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3141 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3142 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3143 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3144 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3145 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3146 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3147 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3148 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3149 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3150 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3151     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3152     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder
3153 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3154 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3155 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3156 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3157 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3158 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3159 enabled libvpx     && {
3160     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3161                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3162     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
3163                                 die "ERROR: libvpx encoder version must be >=0.9.6"; } }
3164 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3165                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3166                         die "ERROR: libx264 version must be >= 0.118."; }
3167 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3168 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3169 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3170                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3171                         die "ERROR: openal not found"; } &&
3172                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3173                         die "ERROR: openal version must be 1.1 or compatible"; }
3174 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
3175 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3176                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3177                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3178                         die "ERROR: openssl not found"; }
3179
3180 SDL_CONFIG="${cross_prefix}sdl-config"
3181 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
3182     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3183     enable sdl &&
3184     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3185 else
3186   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3187     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3188     sdl_libs=$("${SDL_CONFIG}" --libs)
3189     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3190     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3191     enable sdl &&
3192     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3193   fi
3194 fi
3195 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3196
3197 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3198 makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
3199
3200 check_header linux/fb.h
3201 check_header linux/videodev.h
3202 check_header linux/videodev2.h
3203 check_cc <<EOF && enable_safe struct_v4l2_frmivalenum_discrete
3204 #include <linux/videodev2.h>
3205 int main(void) {
3206 struct v4l2_frmsizeenum vfse;
3207 vfse.discrete.width = 0;
3208 return 0;
3209 }
3210 EOF
3211
3212 check_header sys/videoio.h
3213
3214 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3215 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3216 # w32api 3.12 had it defined wrong
3217 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3218
3219 check_type "dshow.h" IBaseFilter
3220
3221 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3222 { check_header dev/bktr/ioctl_meteor.h &&
3223   check_header dev/bktr/ioctl_bt848.h; } ||
3224 { check_header machine/ioctl_meteor.h &&
3225   check_header machine/ioctl_bt848.h; } ||
3226 { check_header dev/video/meteor/ioctl_meteor.h &&
3227   check_header dev/video/bktr/ioctl_bt848.h; } ||
3228 check_header dev/ic/bt8xx.h
3229
3230 check_header sndio.h
3231 if check_struct sys/soundcard.h audio_buf_info bytes; then
3232     enable_safe sys/soundcard.h
3233 else
3234     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3235     #include <sys/soundcard.h>
3236     audio_buf_info abc;
3237 EOF
3238 fi
3239 check_header soundcard.h
3240
3241 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3242
3243 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait
3244
3245 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3246
3247 enabled libcdio &&
3248     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3249
3250 enabled x11grab                         &&
3251 check_header X11/Xlib.h                 &&
3252 check_header X11/extensions/XShm.h      &&
3253 check_header X11/extensions/Xfixes.h    &&
3254 check_func XOpenDisplay -lX11           &&
3255 check_func XShmCreateImage -lX11 -lXext &&
3256 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
3257
3258 if ! disabled vaapi; then
3259     check_lib va/va.h vaInitialize -lva && {
3260         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3261         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3262     } || disable vaapi
3263 fi
3264
3265 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3266 check_cpp_condition \
3267     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3268     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3269       disable vdpau; }
3270 fi
3271
3272 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3273 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3274 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"
3275
3276 # add some useful compiler flags if supported
3277 check_cflags -Wdeclaration-after-statement
3278 check_cflags -Wall
3279 check_cflags -Wno-parentheses
3280 check_cflags -Wno-switch
3281 check_cflags -Wno-format-zero-length
3282 check_cflags -Wdisabled-optimization
3283 check_cflags -Wpointer-arith
3284 check_cflags -Wredundant-decls
3285 check_cflags -Wno-pointer-sign
3286 check_cflags -Wcast-qual
3287 check_cflags -Wwrite-strings
3288 check_cflags -Wtype-limits
3289 check_cflags -Wundef
3290 check_cflags -Wmissing-prototypes
3291 check_cflags -Wno-pointer-to-int-cast
3292 check_cflags -Wstrict-prototypes
3293 enabled extra_warnings && check_cflags -Winline
3294
3295 # add some linker flags
3296 check_ldflags -Wl,--warn-common
3297 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3298 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3299
3300 echo "X{};" > $TMPV
3301 if test_ldflags -Wl,--version-script,$TMPV; then
3302     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3303     check_cc <<EOF && enable symver_asm_label
3304 void ff_foo(void) __asm__ ("av_foo@VERSION");
3305 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3306 EOF
3307     check_cc <<EOF && enable symver_gnu_asm
3308 __asm__(".symver ff_foo,av_foo@VERSION");
3309 void ff_foo(void) {}
3310 EOF
3311 fi
3312
3313 if [ -n "$optflags" ]; then
3314     add_cflags $optflags
3315 elif enabled small; then
3316     add_cflags $size_cflags
3317 elif enabled optimizations; then
3318     add_cflags $speed_cflags
3319 else
3320     add_cflags $noopt_cflags
3321 fi
3322 check_cflags -fno-math-errno
3323 check_cflags -fno-signed-zeros
3324 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3325 int x;
3326 EOF
3327
3328
3329 if enabled icc; then
3330     # Just warnings, no remarks
3331     check_cflags -w1
3332     # -wd: Disable following warnings
3333     # 144, 167, 556: -Wno-pointer-sign
3334     # 1292: attribute "foo" ignored
3335     # 10006: ignoring unknown option -fno-signed-zeros
3336     # 10148: ignoring unknown option -Wno-parentheses
3337     # 10156: ignoring option '-W'; no argument required
3338     check_cflags -wd144,167,556,1292,10006,10148,10156
3339     # 11030: Warning unknown option --as-needed
3340     # 10156: ignoring option '-export'; no argument required
3341     check_ldflags -wd10156,11030
3342     # Allow to compile with optimizations
3343     check_ldflags -march=$cpu
3344     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3345     enable ebp_available
3346     if enabled x86_32; then
3347         test ${icc_version%%.*} -ge 11 && \
3348             check_cflags -falign-stack=maintain-16-byte || \
3349             disable aligned_stack
3350     fi
3351 elif enabled ccc; then
3352     # disable some annoying warnings
3353     add_cflags -msg_disable cvtu32to64
3354     add_cflags -msg_disable embedcomment
3355     add_cflags -msg_disable needconstext
3356     add_cflags -msg_disable nomainieee
3357     add_cflags -msg_disable ptrmismatch1
3358     add_cflags -msg_disable unreachcode
3359 elif enabled gcc; then
3360     check_cflags -fno-tree-vectorize
3361     check_cflags -Werror=implicit-function-declaration
3362     check_cflags -Werror=missing-prototypes
3363     check_cflags -Werror=return-type
3364 elif enabled llvm_gcc; then
3365     check_cflags -mllvm -stack-alignment=16
3366 elif enabled clang; then
3367     check_cflags -mllvm -stack-alignment=16
3368     check_cflags -Qunused-arguments
3369     check_cflags -Werror=return-type
3370 elif enabled armcc; then
3371     # 2523: use of inline assembler is deprecated
3372     add_cflags -W${armcc_opt},--diag_suppress=2523
3373     add_cflags -W${armcc_opt},--diag_suppress=1207
3374     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3375     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3376     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3377     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3378 elif enabled tms470; then
3379     add_cflags -pds=824 -pds=837
3380 elif enabled pathscale; then
3381     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3382 fi
3383
3384 enabled_any $THREADS_LIST      && enable threads
3385
3386 check_deps $CONFIG_LIST       \
3387            $CONFIG_EXTRA      \
3388            $HAVE_LIST         \
3389            $ALL_COMPONENTS    \
3390            $ALL_TESTS         \
3391
3392 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3393
3394 if test $target_os = "haiku"; then
3395     disable memalign
3396     disable posix_memalign
3397 fi
3398
3399 ! enabled_any memalign posix_memalign malloc_aligned &&
3400     enabled_any $need_memalign && enable memalign_hack
3401
3402 echo "install prefix            $prefix"
3403 echo "source path               $source_path"
3404 echo "C compiler                $cc"
3405 echo "ARCH                      $arch ($cpu)"
3406 if test "$build_suffix" != ""; then
3407     echo "build suffix              $build_suffix"
3408 fi
3409 if test "$progs_suffix" != ""; then
3410     echo "progs suffix              $progs_suffix"
3411 fi
3412 if test "$extra_version" != ""; then
3413     echo "version string suffix     $extra_version"
3414 fi
3415 echo "big-endian                ${bigendian-no}"
3416 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3417 if enabled x86; then
3418     echo "${yasmexe}                      ${yasm-no}"
3419     echo "MMX enabled               ${mmx-no}"
3420     echo "MMX2 enabled              ${mmx2-no}"
3421     echo "3DNow! enabled            ${amd3dnow-no}"
3422     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3423     echo "SSE enabled               ${sse-no}"
3424     echo "SSSE3 enabled             ${ssse3-no}"
3425     echo "AVX enabled               ${avx-no}"
3426     echo "CMOV enabled              ${cmov-no}"
3427     echo "CMOV is fast              ${fast_cmov-no}"
3428     echo "EBX available             ${ebx_available-no}"
3429     echo "EBP available             ${ebp_available-no}"
3430 fi
3431 if enabled arm; then
3432     echo "ARMv5TE enabled           ${armv5te-no}"
3433     echo "ARMv6 enabled             ${armv6-no}"
3434     echo "ARMv6T2 enabled           ${armv6t2-no}"
3435     echo "ARM VFP enabled           ${armvfp-no}"
3436     echo "IWMMXT enabled            ${iwmmxt-no}"
3437     echo "NEON enabled              ${neon-no}"
3438 fi
3439 if enabled mips; then
3440     echo "MMI enabled               ${mmi-no}"
3441 fi
3442 if enabled ppc; then
3443     echo "AltiVec enabled           ${altivec-no}"
3444     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3445     echo "dcbzl available           ${dcbzl-no}"
3446 fi
3447 if enabled sparc; then
3448     echo "VIS enabled               ${vis-no}"
3449 fi
3450 echo "debug symbols             ${debug-no}"
3451 echo "strip symbols             ${stripping-no}"
3452 echo "optimize for size         ${small-no}"
3453 echo "optimizations             ${optimizations-no}"
3454 echo "static                    ${static-no}"
3455 echo "shared                    ${shared-no}"
3456 echo "postprocessing support    ${postproc-no}"
3457 echo "new filter support        ${avfilter-no}"
3458 echo "network support           ${network-no}"
3459 echo "threading support         ${thread_type-no}"
3460 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
3461 echo "SDL support               ${sdl-no}"
3462 echo "Sun medialib support      ${mlib-no}"
3463 echo "libdxva2 enabled          ${dxva2-no}"
3464 echo "libva enabled             ${vaapi-no}"
3465 echo "libvdpau enabled          ${vdpau-no}"
3466 echo "AVISynth enabled          ${avisynth-no}"
3467 echo "frei0r enabled            ${frei0r-no}"
3468 echo "gnutls enabled            ${gnutls-no}"
3469 echo "libaacplus enabled        ${libaacplus-no}"
3470 echo "libass enabled            ${libass-no}"
3471 echo "libcdio support           ${libcdio-no}"
3472 echo "libcelt enabled           ${libcelt-no}"
3473 echo "libdc1394 support         ${libdc1394-no}"
3474 echo "libdirac enabled          ${libdirac-no}"
3475 echo "libfaac enabled           ${libfaac-no}"
3476 echo "libgsm enabled            ${libgsm-no}"
3477 echo "libmodplug enabled        ${libmodplug-no}"
3478 echo "libmp3lame enabled        ${libmp3lame-no}"
3479 echo "libnut enabled            ${libnut-no}"
3480 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3481 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3482 echo "libopencv support         ${libopencv-no}"
3483 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3484 echo "libpulse enabled          ${libpulse-no}"
3485 echo "librtmp enabled           ${librtmp-no}"
3486 echo "libschroedinger enabled   ${libschroedinger-no}"
3487 echo "libspeex enabled          ${libspeex-no}"
3488 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
3489 echo "libtheora enabled         ${libtheora-no}"
3490 echo "libutvideo enabled        ${libutvideo-no}"
3491 echo "libv4l2 enabled           ${libv4l2-no}"
3492 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3493 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3494 echo "libvorbis enabled         ${libvorbis-no}"
3495 echo "libvpx enabled            ${libvpx-no}"
3496 echo "libx264 enabled           ${libx264-no}"
3497 echo "libxavs enabled           ${libxavs-no}"
3498 echo "libxvid enabled           ${libxvid-no}"
3499 echo "openal enabled            ${openal-no}"
3500 echo "openssl enabled           ${openssl-no}"
3501 echo "zlib enabled              ${zlib-no}"
3502 echo "bzlib enabled             ${bzlib-no}"
3503 echo
3504
3505 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3506     echo "Enabled ${type}s:"
3507     eval list=\$$(toupper $type)_LIST
3508     print_enabled '_*' $list | sort | pr -r -3 -t
3509     echo
3510 done
3511
3512 license="LGPL version 2.1 or later"
3513 if enabled nonfree; then
3514     license="nonfree and unredistributable"
3515 elif enabled gplv3; then
3516     license="GPL version 3 or later"
3517 elif enabled lgplv3; then
3518     license="LGPL version 3 or later"
3519 elif enabled gpl; then
3520     license="GPL version 2 or later"
3521 fi
3522
3523 echo "License: $license"
3524
3525 echo "Creating config.mak and config.h..."
3526
3527 test -e Makefile || $ln_s "$source_path/Makefile" .
3528
3529 enabled stripping || strip="echo skipping strip"
3530
3531 config_files="$TMPH config.mak"
3532
3533 cat > config.mak <<EOF
3534 # Automatically generated by configure - do not modify!
3535 ifndef FFMPEG_CONFIG_MAK
3536 FFMPEG_CONFIG_MAK=1
3537 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3538 prefix=$prefix
3539 LIBDIR=\$(DESTDIR)$libdir
3540 SHLIBDIR=\$(DESTDIR)$shlibdir
3541 INCDIR=\$(DESTDIR)$incdir
3542 BINDIR=\$(DESTDIR)$bindir
3543 DATADIR=\$(DESTDIR)$datadir
3544 MANDIR=\$(DESTDIR)$mandir
3545 SRC_PATH=$source_path
3546 ifndef MAIN_MAKEFILE
3547 SRC_PATH:=\$(SRC_PATH:.%=..%)
3548 endif
3549 CC_IDENT=$cc_ident
3550 ARCH=$arch
3551 CC=$cc
3552 CXX=$cxx
3553 AS=$as
3554 LD=$ld
3555 DEPCC=$dep_cc
3556 YASM=$yasmexe
3557 YASMDEP=$yasmexe
3558 AR=$ar
3559 RANLIB=$ranlib
3560 CP=cp -p
3561 LN_S=$ln_s
3562 STRIP=$strip
3563 CPPFLAGS=$CPPFLAGS
3564 CFLAGS=$CFLAGS
3565 CXXFLAGS=$CXXFLAGS
3566 ASFLAGS=$ASFLAGS
3567 AS_O=$CC_O
3568 CC_O=$CC_O
3569 CXX_O=$CXX_O
3570 LDFLAGS=$LDFLAGS
3571 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3572 SHFLAGS=$SHFLAGS
3573 YASMFLAGS=$YASMFLAGS
3574 BUILDSUF=$build_suffix
3575 PROGSSUF=$progs_suffix
3576 FULLNAME=$FULLNAME
3577 LIBPREF=$LIBPREF
3578 LIBSUF=$LIBSUF
3579 LIBNAME=$LIBNAME
3580 SLIBPREF=$SLIBPREF
3581 SLIBSUF=$SLIBSUF
3582 EXESUF=$EXESUF
3583 EXTRA_VERSION=$extra_version
3584 DEPFLAGS=$DEPFLAGS
3585 CCDEP=$CCDEP
3586 CXXDEP=$CXXDEP
3587 ASDEP=$ASDEP
3588 CC_DEPFLAGS=$CC_DEPFLAGS
3589 AS_DEPFLAGS=$AS_DEPFLAGS
3590 HOSTCC=$host_cc
3591 HOSTCFLAGS=$host_cflags
3592 HOSTEXESUF=$HOSTEXESUF
3593 HOSTLDFLAGS=$host_ldflags
3594 HOSTLIBS=$host_libs
3595 TARGET_EXEC=$target_exec
3596 TARGET_PATH=$target_path
3597 SDL_LIBS=$sdl_libs
3598 SDL_CFLAGS=$sdl_cflags
3599 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3600 EXTRALIBS=$extralibs
3601 INSTALL=$install
3602 LIBTARGET=${LIBTARGET}
3603 SLIBNAME=${SLIBNAME}
3604 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3605 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3606 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3607 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3608 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3609 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3610 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3611 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3612 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3613 NOREDZONE_FLAGS=$noredzone_flags
3614 EOF
3615
3616 get_version(){
3617     name=$1
3618     file=$source_path/$2
3619 # This condition will be removed when we stop supporting old libpostproc versions
3620 if ! test "$name" = LIBPOSTPROC || test "$postproc_version" = current; then
3621     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3622     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3623 fi
3624     lcname=$(tolower $name)
3625     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3626     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3627 }
3628
3629 get_version LIBAVCODEC  libavcodec/version.h
3630 get_version LIBAVDEVICE libavdevice/avdevice.h
3631 get_version LIBAVFILTER libavfilter/version.h
3632 get_version LIBAVFORMAT libavformat/version.h
3633 get_version LIBAVUTIL   libavutil/avutil.h
3634 get_version LIBPOSTPROC libpostproc/postprocess.h
3635 get_version LIBSWRESAMPLE libswresample/swresample.h
3636 get_version LIBSWSCALE  libswscale/swscale.h
3637
3638 cat > $TMPH <<EOF
3639 /* Automatically generated by configure - do not modify! */
3640 #ifndef FFMPEG_CONFIG_H
3641 #define FFMPEG_CONFIG_H
3642 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3643 #define FFMPEG_LICENSE "$(c_escape $license)"
3644 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3645 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3646 #define CC_TYPE "$cc_type"
3647 #define CC_VERSION $cc_version
3648 #define restrict $_restrict
3649 #define EXTERN_PREFIX "${extern_prefix}"
3650 #define EXTERN_ASM ${extern_prefix}
3651 #define SLIBSUF "$SLIBSUF"
3652 EOF
3653
3654 test -n "$malloc_prefix" &&
3655     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3656
3657 if enabled small || disabled optimizations; then
3658     echo "#undef  av_always_inline"  >> $TMPH
3659     if enabled small; then
3660         echo "#define av_always_inline inline"  >> $TMPH
3661     else
3662         echo "#define av_always_inline av_unused"  >> $TMPH
3663     fi
3664 fi
3665
3666 if enabled yasm; then
3667     append config_files $TMPASM
3668     printf '' >$TMPASM
3669 fi
3670
3671 print_config ARCH_   "$config_files" $ARCH_LIST
3672 print_config HAVE_   "$config_files" $HAVE_LIST
3673 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3674                                      $CONFIG_EXTRA      \
3675                                      $ALL_COMPONENTS    \
3676
3677 cat >>config.mak <<EOF
3678 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3679 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3680 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3681 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3682 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3683 EOF
3684
3685 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3686 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3687
3688 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3689 cp_if_changed $TMPH config.h
3690 touch .config
3691
3692 enabled yasm && cp_if_changed $TMPASM config.asm
3693
3694 cat > $TMPH <<EOF
3695 /* Generated by ffconf */
3696 #ifndef AVUTIL_AVCONFIG_H
3697 #define AVUTIL_AVCONFIG_H
3698 EOF
3699
3700 test "$postproc_version" != current && cat >> $TMPH <<EOF
3701 #define LIBPOSTPROC_VERSION_MAJOR $LIBPOSTPROC_VERSION_MAJOR
3702 #define LIBPOSTPROC_VERSION_MINOR $LIBPOSTPROC_VERSION_MINOR
3703 #define LIBPOSTPROC_VERSION_MICRO $LIBPOSTPROC_VERSION_MICRO
3704 EOF
3705
3706 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3707
3708 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3709
3710 cp_if_changed $TMPH libavutil/avconfig.h
3711
3712 test -n "$WARNINGS" && printf "\n$WARNINGS"
3713
3714 # build pkg-config files
3715
3716 pkgconfig_generate(){
3717 name=$1
3718 shortname=${name#lib}${build_suffix}
3719 comment=$2
3720 version=$3
3721 libs=$4
3722 requires=$5
3723 enabled ${name#lib} || return 0
3724 mkdir -p $name
3725 cat <<EOF > $name/$name.pc
3726 prefix=$prefix
3727 exec_prefix=\${prefix}
3728 libdir=$libdir
3729 includedir=$incdir
3730
3731 Name: $name
3732 Description: $comment
3733 Version: $version
3734 Requires: $(enabled shared || echo $requires)
3735 Requires.private: $(enabled shared && echo $requires)
3736 Conflicts:
3737 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3738 Libs.private: $(enabled shared && echo $libs)
3739 Cflags: -I\${includedir}
3740 EOF
3741 cat <<EOF > $name/$name-uninstalled.pc
3742 prefix=
3743 exec_prefix=
3744 libdir=\${pcfiledir}
3745 includedir=${source_path}
3746
3747 Name: $name
3748 Description: $comment
3749 Version: $version
3750 Requires: $requires
3751 Conflicts:
3752 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3753 Cflags: -I\${includedir}
3754 EOF
3755 }
3756
3757 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3758 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3759 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3760 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3761 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3762 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3763 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
3764 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"