Extend the nullsrc source, make it accept a parameter for specifying
[libav.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-avcore disable libavcore build
90 --disable-avformat disable libavformat build
91 --disable-swscale disable libswscale build
92 --enable-postproc enable GPLed postprocessing support [no]
93 --disable-avfilter disable video filter support [no]
94 --disable-pthreads disable pthreads [auto]
95 --enable-w32threads use Win32 threads [no]
96 --enable-x11grab enable X11 grabbing [no]
97 --disable-network disable network support [no]
98 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [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 --disable-vaapi disable VAAPI code
112 --disable-vdpau disable VDPAU code
113 --disable-dxva2 disable DXVA2 code
114 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
115 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
116 --enable-memalign-hack emulate memalign, interferes with memory debuggers
117 --disable-everything disable all components listed below
118 --disable-encoder=NAME disable encoder NAME
119 --enable-encoder=NAME enable encoder NAME
120 --disable-encoders disable all encoders
121 --disable-decoder=NAME disable decoder NAME
122 --enable-decoder=NAME enable decoder NAME
123 --disable-decoders disable all decoders
124 --disable-hwaccel=NAME disable hwaccel NAME
125 --enable-hwaccel=NAME enable hwaccel NAME
126 --disable-hwaccels disable all hwaccels
127 --disable-muxer=NAME disable muxer NAME
128 --enable-muxer=NAME enable muxer NAME
129 --disable-muxers disable all muxers
130 --disable-demuxer=NAME disable demuxer NAME
131 --enable-demuxer=NAME enable demuxer NAME
132 --disable-demuxers disable all demuxers
133 --enable-parser=NAME enable parser NAME
134 --disable-parser=NAME disable parser NAME
135 --disable-parsers disable all parsers
136 --enable-bsf=NAME enable bitstream filter NAME
137 --disable-bsf=NAME disable bitstream filter NAME
138 --disable-bsfs disable all bitstream filters
139 --enable-protocol=NAME enable protocol NAME
140 --disable-protocol=NAME disable protocol NAME
141 --disable-protocols disable all protocols
142 --disable-indev=NAME disable input device NAME
143 --disable-outdev=NAME disable output device NAME
144 --disable-indevs disable input devices
145 --disable-outdevs disable output devices
146 --disable-devices disable all devices
147 --enable-filter=NAME enable filter NAME
148 --disable-filter=NAME disable filter NAME
149 --disable-filters disable all filters
150 --list-decoders show all available decoders
151 --list-encoders show all available encoders
152 --list-hwaccels show all available hardware accelerators
153 --list-muxers show all available muxers
154 --list-demuxers show all available demuxers
155 --list-parsers show all available parsers
156 --list-protocols show all available protocols
157 --list-bsfs show all available bitstream filters
158 --list-indevs show all available input devices
159 --list-outdevs show all available output devices
160 --list-filters show all available filters
161
162 External library support:
163 --enable-avisynth enable reading of AVISynth script files [no]
164 --enable-bzlib enable bzlib [autodetect]
165 --enable-frei0r enable frei0r video filtering
166 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
167 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
168 --enable-libopencv enable video filtering via libopencv [no]
169 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
170 and libraw1394 [no]
171 --enable-libdirac enable Dirac support via libdirac [no]
172 --enable-libfaac enable FAAC support via libfaac [no]
173 --enable-libgsm enable GSM support via libgsm [no]
174 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
175 --enable-libnut enable NUT (de)muxing via libnut,
176 native (de)muxer exists [no]
177 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
178 --enable-librtmp enable RTMP[E] support via librtmp [no]
179 --enable-libschroedinger enable Dirac support via libschroedinger [no]
180 --enable-libspeex enable Speex decoding via libspeex [no]
181 --enable-libtheora enable Theora encoding via libtheora [no]
182 --enable-libvorbis enable Vorbis encoding via libvorbis,
183 native implementation exists [no]
184 --enable-libvpx enable VP8 support via libvpx [no]
185 --enable-libx264 enable H.264 encoding via x264 [no]
186 --enable-libxavs enable AVS encoding via xavs [no]
187 --enable-libxvid enable Xvid encoding via xvidcore,
188 native MPEG-4/Xvid encoder exists [no]
189 --enable-mlib enable Sun medialib [no]
190 --enable-zlib enable zlib [autodetect]
191
192 Advanced options (experts only):
193 --source-path=PATH path to source code [$source_path]
194 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
195 --enable-cross-compile assume a cross-compiler is used
196 --sysroot=PATH root of cross-build tree
197 --sysinclude=PATH location of cross-build system headers
198 --target-os=OS compiler targets OS [$target_os]
199 --target-exec=CMD command to run executables on target
200 --target-path=DIR path to view of build directory on target
201 --nm=NM use nm tool
202 --ar=AR use archive tool AR [$ar_default]
203 --as=AS use assembler AS [$as_default]
204 --cc=CC use C compiler CC [$cc_default]
205 --ld=LD use linker LD
206 --host-cc=HOSTCC use host C compiler HOSTCC
207 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
208 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
209 --host-libs=HLIBS use libs HLIBS when linking for host
210 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
211 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
212 --extra-libs=ELIBS add ELIBS [$ELIBS]
213 --extra-version=STRING version string suffix []
214 --build-suffix=SUFFIX library name suffix []
215 --arch=ARCH select architecture [$arch]
216 --cpu=CPU select the minimum required CPU (affects
217 instruction selection, may crash on older CPUs)
218 --disable-asm disable all assembler optimizations
219 --disable-altivec disable AltiVec optimizations
220 --disable-amd3dnow disable 3DNow! optimizations
221 --disable-amd3dnowext disable 3DNow! extended optimizations
222 --disable-mmx disable MMX optimizations
223 --disable-mmx2 disable MMX2 optimizations
224 --disable-sse disable SSE optimizations
225 --disable-ssse3 disable SSSE3 optimizations
226 --disable-armv5te disable armv5te optimizations
227 --disable-armv6 disable armv6 optimizations
228 --disable-armv6t2 disable armv6t2 optimizations
229 --disable-armvfp disable ARM VFP optimizations
230 --disable-iwmmxt disable iwmmxt optimizations
231 --disable-mmi disable MMI optimizations
232 --disable-neon disable neon optimizations
233 --disable-vis disable VIS optimizations
234 --disable-yasm disable use of yasm assembler
235 --enable-pic build position-independent code
236 --malloc-prefix=PFX prefix malloc and related names with PFX
237 --enable-sram allow use of on-chip SRAM
238
239 Developer options (useful when working on FFmpeg itself):
240 --disable-debug disable debugging symbols
241 --enable-debug=LEVEL set the debug level [$debuglevel]
242 --disable-optimizations disable compiler optimizations
243 --enable-extra-warnings enable more compiler warnings
244 --disable-stripping disable stripping of executables and shared libraries
245 --samples=PATH location of test samples for FATE
246
247 NOTE: Object files are built at the place where configure is launched.
248 EOF
249 exit 0
250 }
251
252 quotes='""'
253
254 log(){
255 echo "$@" >> $logfile
256 }
257
258 log_file(){
259 log BEGIN $1
260 pr -n -t $1 >> $logfile
261 log END $1
262 }
263
264 echolog(){
265 log "$@"
266 echo "$@"
267 }
268
269 warn(){
270 log "WARNING: $*"
271 WARNINGS="${WARNINGS}WARNING: $*\n"
272 }
273
274 die(){
275 echolog "$@"
276 cat <<EOF
277
278 If you think configure made a mistake, make sure you are using the latest
279 version from SVN. If the latest version fails, report the problem to the
280 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
281 EOF
282 if disabled logging; then
283 cat <<EOF
284 Rerun configure with logging enabled (do not use --disable-logging), and
285 include the log this produces with your report.
286 EOF
287 else
288 cat <<EOF
289 Include the log file "$logfile" produced by configure as this will help
290 solving the problem.
291 EOF
292 fi
293 exit 1
294 }
295
296 # Avoid locale weirdness, besides we really just want to translate ASCII.
297 toupper(){
298 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
299 }
300
301 tolower(){
302 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
303 }
304
305 c_escape(){
306 echo "$*" | sed 's/["\\]/\\\0/g'
307 }
308
309 sh_quote(){
310 v=$(echo "$1" | sed "s/'/'\\\\''/g")
311 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
312 echo "$v"
313 }
314
315 filter(){
316 pat=$1
317 shift
318 for v; do
319 eval "case $v in $pat) echo $v ;; esac"
320 done
321 }
322
323 map(){
324 m=$1
325 shift
326 for v; do eval $m; done
327 }
328
329 set_all(){
330 value=$1
331 shift
332 for var in $*; do
333 eval $var=$value
334 done
335 }
336
337 set_weak(){
338 value=$1
339 shift
340 for var; do
341 eval : \${$var:=$value}
342 done
343 }
344
345 pushvar(){
346 for var in $*; do
347 eval level=\${${var}_level:=0}
348 eval ${var}_${level}="\$$var"
349 eval ${var}_level=$(($level+1))
350 done
351 }
352
353 popvar(){
354 for var in $*; do
355 eval level=\${${var}_level:-0}
356 test $level = 0 && continue
357 eval level=$(($level-1))
358 eval $var="\${${var}_${level}}"
359 eval ${var}_level=$level
360 eval unset ${var}_${level}
361 done
362 }
363
364 enable(){
365 set_all yes $*
366 }
367
368 disable(){
369 set_all no $*
370 }
371
372 enable_weak(){
373 set_weak yes $*
374 }
375
376 disable_weak(){
377 set_weak no $*
378 }
379
380 enable_safe(){
381 for var; do
382 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
383 done
384 }
385
386 disable_safe(){
387 for var; do
388 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
389 done
390 }
391
392 do_enable_deep(){
393 for var; do
394 enabled $var && continue
395 eval sel="\$${var}_select"
396 eval sgs="\$${var}_suggest"
397 pushvar var sgs
398 enable_deep $sel
399 popvar sgs
400 enable_deep_weak $sgs
401 popvar var
402 done
403 }
404
405 enable_deep(){
406 do_enable_deep $*
407 enable $*
408 }
409
410 enable_deep_weak(){
411 do_enable_deep $*
412 enable_weak $*
413 }
414
415 enabled(){
416 test "${1#!}" = "$1" && op== || op=!=
417 eval test "x\$${1#!}" $op "xyes"
418 }
419
420 disabled(){
421 test "${1#!}" = "$1" && op== || op=!=
422 eval test "x\$${1#!}" $op "xno"
423 }
424
425 enabled_all(){
426 for opt; do
427 enabled $opt || return 1
428 done
429 }
430
431 disabled_all(){
432 for opt; do
433 disabled $opt || return 1
434 done
435 }
436
437 enabled_any(){
438 for opt; do
439 enabled $opt && return 0
440 done
441 }
442
443 disabled_any(){
444 for opt; do
445 disabled $opt && return 0
446 done
447 return 1
448 }
449
450 set_default(){
451 for opt; do
452 eval : \${$opt:=\$${opt}_default}
453 done
454 }
455
456 is_in(){
457 value=$1
458 shift
459 for var in $*; do
460 [ $var = $value ] && return 0
461 done
462 return 1
463 }
464
465 check_deps(){
466 for cfg; do
467 cfg="${cfg#!}"
468 enabled ${cfg}_checking && die "Circular dependency for $cfg."
469 disabled ${cfg}_checking && continue
470 enable ${cfg}_checking
471
472 eval dep_all="\$${cfg}_deps"
473 eval dep_any="\$${cfg}_deps_any"
474 eval dep_sel="\$${cfg}_select"
475 eval dep_sgs="\$${cfg}_suggest"
476 eval dep_ifa="\$${cfg}_if"
477 eval dep_ifn="\$${cfg}_if_any"
478
479 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
480 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
481 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
482
483 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
484 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
485 enabled_all $dep_all || disable $cfg
486 enabled_any $dep_any || disable $cfg
487 disabled_any $dep_sel && disable $cfg
488
489 if enabled $cfg; then
490 eval dep_extralibs="\$${cfg}_extralibs"
491 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
492 enable_deep $dep_sel
493 enable_deep_weak $dep_sgs
494 fi
495
496 disable ${cfg}_checking
497 done
498 }
499
500 print_config_h(){
501 enabled $1 && v=1 || v=0
502 echo "#define $2 $v"
503 }
504
505 print_config_mak(){
506 enabled $1 && v= || v=!
507 echo "$v$2=yes"
508 }
509
510 print_config_asm(){
511 enabled $1 && echo "%define $2"
512 }
513
514 print_config(){
515 pfx=$1
516 files=$2
517 shift 2
518 for cfg; do
519 ucname="$(toupper $cfg)"
520 for f in $files; do
521 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
522 done
523 done
524 }
525
526 print_enabled(){
527 test "$1" = -n && end=" " && shift || end="\n"
528 suf=$1
529 shift
530 for v; do
531 enabled $v && printf "%s$end" ${v%$suf};
532 done
533 }
534
535 append(){
536 var=$1
537 shift
538 eval "$var=\"\$$var $*\""
539 }
540
541 prepend(){
542 var=$1
543 shift
544 eval "$var=\"$* \$$var\""
545 }
546
547 add_cppflags(){
548 append CPPFLAGS $($filter_cppflags "$@")
549 }
550
551 add_cflags(){
552 append CFLAGS $($filter_cflags "$@")
553 }
554
555 add_asflags(){
556 append ASFLAGS $($filter_asflags "$@")
557 }
558
559 add_ldflags(){
560 append LDFLAGS "$@"
561 }
562
563 add_extralibs(){
564 prepend extralibs "$@"
565 }
566
567 check_cmd(){
568 log "$@"
569 "$@" >> $logfile 2>&1
570 }
571
572 check_cc(){
573 log check_cc "$@"
574 cat > $TMPC
575 log_file $TMPC
576 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
577 }
578
579 check_cpp(){
580 log check_cpp "$@"
581 cat > $TMPC
582 log_file $TMPC
583 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
584 }
585
586 check_as(){
587 log check_as "$@"
588 cat > $TMPC
589 log_file $TMPC
590 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
591 }
592
593 check_asm(){
594 log check_asm "$@"
595 name="$1"
596 code="$2"
597 shift 2
598 disable $name
599 check_as "$@" <<EOF && enable $name
600 void foo(void){ __asm__ volatile($code); }
601 EOF
602 }
603
604 check_yasm(){
605 log check_yasm "$@"
606 echo "$1" > $TMPS
607 log_file $TMPS
608 shift 1
609 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
610 }
611
612 check_ld(){
613 log check_ld "$@"
614 flags=''
615 libs=''
616 for f; do
617 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
618 done
619 check_cc $($filter_cflags $flags) || return
620 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
621 }
622
623 check_cppflags(){
624 log check_cppflags "$@"
625 set -- $($filter_cppflags "$@")
626 check_cc "$@" <<EOF && append CPPFLAGS "$@"
627 int x;
628 EOF
629 }
630
631 check_cflags(){
632 log check_cflags "$@"
633 set -- $($filter_cflags "$@")
634 check_cc "$@" <<EOF && append CFLAGS "$@"
635 int x;
636 EOF
637 }
638
639 test_ldflags(){
640 log test_ldflags "$@"
641 check_ld "$@" <<EOF
642 int main(void){ return 0; }
643 EOF
644 }
645
646 check_ldflags(){
647 log check_ldflags "$@"
648 test_ldflags "$@" && add_ldflags "$@"
649 }
650
651 check_header(){
652 log check_header "$@"
653 header=$1
654 shift
655 disable_safe $header
656 check_cpp "$@" <<EOF && enable_safe $header
657 #include <$header>
658 int x;
659 EOF
660 }
661
662 check_func(){
663 log check_func "$@"
664 func=$1
665 shift
666 disable $func
667 check_ld "$@" <<EOF && enable $func
668 extern int $func();
669 int main(void){ $func(); }
670 EOF
671 }
672
673 check_mathfunc(){
674 log check_mathfunc "$@"
675 func=$1
676 shift
677 disable $func
678 check_ld "$@" <<EOF && enable $func
679 #include <math.h>
680 float foo(float f) { return $func(f); }
681 int main(void){ return 0; }
682 EOF
683 }
684
685 check_func_headers(){
686 log check_func_headers "$@"
687 headers=$1
688 func=$2
689 shift 2
690 disable $func
691 incs=""
692 for hdr in $headers; do
693 incs="$incs
694 #include <$hdr>"
695 done
696 check_ld "$@" <<EOF && enable $func && enable_safe $headers
697 $incs
698 int main(int argc, char **argv){
699 return (long) $func;
700 }
701 EOF
702 }
703
704 check_cpp_condition(){
705 log check_cpp_condition "$@"
706 header=$1
707 condition=$2
708 shift 2
709 check_cpp $($filter_cppflags "$@") <<EOF
710 #include <$header>
711 #if !($condition)
712 #error "unsatisfied condition: $condition"
713 #endif
714 EOF
715 }
716
717 check_lib(){
718 log check_lib "$@"
719 header="$1"
720 func="$2"
721 shift 2
722 check_header $header && check_func $func "$@" && add_extralibs "$@"
723 }
724
725 check_lib2(){
726 log check_lib2 "$@"
727 headers="$1"
728 func="$2"
729 shift 2
730 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
731 }
732
733 check_exec(){
734 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
735 }
736
737 check_exec_crash(){
738 code=$(cat)
739
740 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
741 # are safe but may not be available everywhere. Thus we use
742 # raise(SIGTERM) instead. The check is run in a subshell so we
743 # can redirect the "Terminated" message from the shell. SIGBUS
744 # is not defined by standard C so it is used conditionally.
745
746 (check_exec "$@") >> $logfile 2>&1 <<EOF
747 #include <signal.h>
748 static void sighandler(int sig){
749 raise(SIGTERM);
750 }
751 int main(void){
752 signal(SIGILL, sighandler);
753 signal(SIGFPE, sighandler);
754 signal(SIGSEGV, sighandler);
755 #ifdef SIGBUS
756 signal(SIGBUS, sighandler);
757 #endif
758 { $code }
759 }
760 EOF
761 }
762
763 check_type(){
764 log check_type "$@"
765 headers=$1
766 type=$2
767 shift 2
768 disable_safe "$type"
769 incs=""
770 for hdr in $headers; do
771 incs="$incs
772 #include <$hdr>"
773 done
774 check_cc "$@" <<EOF && enable_safe "$type"
775 $incs
776 $type v;
777 EOF
778 }
779
780 check_struct(){
781 log check_type "$@"
782 headers=$1
783 struct=$2
784 member=$3
785 shift 3
786 disable_safe "${struct}_${member}"
787 incs=""
788 for hdr in $headers; do
789 incs="$incs
790 #include <$hdr>"
791 done
792 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
793 $incs
794 const void *p = &(($struct *)0)->$member;
795 EOF
796 }
797
798 require(){
799 name="$1"
800 header="$2"
801 func="$3"
802 shift 3
803 check_lib $header $func "$@" || die "ERROR: $name not found"
804 }
805
806 require2(){
807 name="$1"
808 headers="$2"
809 func="$3"
810 shift 3
811 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
812 }
813
814 check_host_cc(){
815 log check_host_cc "$@"
816 cat > $TMPC
817 log_file $TMPC
818 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
819 }
820
821 check_host_cflags(){
822 log check_host_cflags "$@"
823 check_host_cc "$@" <<EOF && append host_cflags "$@"
824 int x;
825 EOF
826 }
827
828 apply(){
829 file=$1
830 shift
831 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
832 }
833
834 cp_if_changed(){
835 cmp -s "$1" "$2" &&
836 echo "$2 is unchanged" ||
837 cp -f "$1" "$2"
838 }
839
840 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
841 # system-dependent things.
842
843 COMPONENT_LIST="
844 bsfs
845 decoders
846 demuxers
847 encoders
848 filters
849 hwaccels
850 indevs
851 muxers
852 outdevs
853 parsers
854 protocols
855 "
856
857 CONFIG_LIST="
858 $COMPONENT_LIST
859 aandct
860 avcodec
861 avcore
862 avdevice
863 avfilter
864 avformat
865 avisynth
866 bzlib
867 dct
868 doc
869 dwt
870 dxva2
871 fastdiv
872 ffmpeg
873 ffplay
874 ffprobe
875 ffserver
876 fft
877 frei0r
878 golomb
879 gpl
880 gray
881 h264dsp
882 h264pred
883 hardcoded_tables
884 huffman
885 libdc1394
886 libdirac
887 libfaac
888 libgsm
889 libmp3lame
890 libnut
891 libopencore_amrnb
892 libopencore_amrwb
893 libopencv
894 libopenjpeg
895 librtmp
896 libschroedinger
897 libspeex
898 libtheora
899 libvorbis
900 libvpx
901 libx264
902 libxavs
903 libxvid
904 lpc
905 lsp
906 mdct
907 memalign_hack
908 mlib
909 mpegaudio_hp
910 network
911 nonfree
912 pic
913 postproc
914 rdft
915 runtime_cpudetect
916 shared
917 small
918 sram
919 static
920 swscale
921 swscale_alpha
922 vaapi
923 vdpau
924 version3
925 x11grab
926 zlib
927 "
928
929 THREADS_LIST='
930 pthreads
931 w32threads
932 '
933
934 ARCH_LIST='
935 alpha
936 arm
937 avr32
938 avr32_ap
939 avr32_uc
940 bfin
941 ia64
942 m68k
943 mips
944 mips64
945 parisc
946 ppc
947 ppc64
948 s390
949 sh4
950 sparc
951 sparc64
952 tomi
953 x86
954 x86_32
955 x86_64
956 '
957
958 ARCH_EXT_LIST='
959 altivec
960 amd3dnow
961 amd3dnowext
962 armv5te
963 armv6
964 armv6t2
965 armvfp
966 iwmmxt
967 mmi
968 mmx
969 mmx2
970 neon
971 ppc4xx
972 sse
973 ssse3
974 vis
975 '
976
977 HAVE_LIST_PUB='
978 bigendian
979 fast_unaligned
980 '
981
982 HAVE_LIST="
983 $ARCH_EXT_LIST
984 $HAVE_LIST_PUB
985 $THREADS_LIST
986 aligned_stack
987 alsa_asoundlib_h
988 altivec_h
989 arpa_inet_h
990 attribute_may_alias
991 attribute_packed
992 bswap
993 closesocket
994 cmov
995 conio_h
996 dcbzl
997 dev_bktr_ioctl_bt848_h
998 dev_bktr_ioctl_meteor_h
999 dev_ic_bt8xx_h
1000 dev_video_meteor_ioctl_meteor_h
1001 dev_video_bktr_ioctl_bt848_h
1002 dlfcn_h
1003 dlopen
1004 dos_paths
1005 ebp_available
1006 ebx_available
1007 exp2
1008 exp2f
1009 fast_64bit
1010 fast_clz
1011 fast_cmov
1012 fcntl
1013 fork
1014 getaddrinfo
1015 gethrtime
1016 GetProcessMemoryInfo
1017 GetProcessTimes
1018 getrusage
1019 gnu_as
1020 struct_rusage_ru_maxrss
1021 ibm_asm
1022 inet_aton
1023 inline_asm
1024 isatty
1025 ldbrx
1026 libdc1394_1
1027 libdc1394_2
1028 llrint
1029 llrintf
1030 local_aligned_16
1031 local_aligned_8
1032 log2
1033 log2f
1034 loongson
1035 lrint
1036 lrintf
1037 lzo1x_999_compress
1038 machine_ioctl_bt848_h
1039 machine_ioctl_meteor_h
1040 malloc_h
1041 memalign
1042 mkstemp
1043 pld
1044 posix_memalign
1045 round
1046 roundf
1047 sdl
1048 sdl_video_size
1049 setmode
1050 socklen_t
1051 soundcard_h
1052 poll_h
1053 setrlimit
1054 strerror_r
1055 strtok_r
1056 struct_addrinfo
1057 struct_ipv6_mreq
1058 struct_sockaddr_in6
1059 struct_sockaddr_sa_len
1060 struct_sockaddr_storage
1061 symver
1062 symver_gnu_asm
1063 symver_asm_label
1064 sys_mman_h
1065 sys_resource_h
1066 sys_select_h
1067 sys_soundcard_h
1068 sys_videoio_h
1069 ten_operands
1070 termios_h
1071 threads
1072 truncf
1073 vfp_args
1074 VirtualAlloc
1075 winsock2_h
1076 xform_asm
1077 xmm_clobbers
1078 yasm
1079 "
1080
1081 # options emitted with CONFIG_ prefix but not available on command line
1082 CONFIG_EXTRA="
1083 avutil
1084 gplv3
1085 lgplv3
1086 "
1087
1088 CMDLINE_SELECT="
1089 $ARCH_EXT_LIST
1090 $CONFIG_LIST
1091 $THREADS_LIST
1092 asm
1093 cross_compile
1094 debug
1095 extra_warnings
1096 logging
1097 optimizations
1098 stripping
1099 yasm
1100 "
1101
1102 PATHS_LIST='
1103 bindir
1104 datadir
1105 incdir
1106 libdir
1107 mandir
1108 prefix
1109 shlibdir
1110 '
1111
1112 CMDLINE_SET="
1113 $PATHS_LIST
1114 ar
1115 arch
1116 as
1117 build_suffix
1118 cc
1119 cpu
1120 cross_prefix
1121 dep_cc
1122 extra_version
1123 host_cc
1124 host_cflags
1125 host_ldflags
1126 host_libs
1127 host_os
1128 ld
1129 logfile
1130 malloc_prefix
1131 nm
1132 samples
1133 source_path
1134 strip
1135 sysinclude
1136 sysroot
1137 target_exec
1138 target_os
1139 target_path
1140 "
1141
1142 CMDLINE_APPEND="
1143 extra_cflags
1144 "
1145
1146 # code dependency declarations
1147
1148 # architecture extensions
1149
1150 armv5te_deps="arm"
1151 armv6_deps="arm"
1152 armv6t2_deps="arm"
1153 armvfp_deps="arm"
1154 iwmmxt_deps="arm"
1155 neon_deps="arm"
1156
1157 mmi_deps="mips"
1158
1159 altivec_deps="ppc"
1160 ppc4xx_deps="ppc"
1161
1162 vis_deps="sparc"
1163
1164 x86_64_suggest="cmov fast_cmov"
1165 amd3dnow_deps="mmx"
1166 amd3dnowext_deps="amd3dnow"
1167 mmx_deps="x86"
1168 mmx2_deps="mmx"
1169 sse_deps="mmx"
1170 ssse3_deps="sse"
1171
1172 aligned_stack_if_any="ppc x86"
1173 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1174 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1175 fast_unaligned_if_any="armv6 ppc x86"
1176
1177 need_memalign="altivec neon sse"
1178 inline_asm_deps="!tms470"
1179
1180 symver_if_any="symver_asm_label symver_gnu_asm"
1181
1182 # subsystems
1183 dct_select="rdft"
1184 mdct_select="fft"
1185 rdft_select="fft"
1186
1187 # decoders / encoders / hardware accelerators
1188 aac_decoder_select="mdct rdft"
1189 aac_encoder_select="mdct"
1190 ac3_decoder_select="mdct ac3_parser"
1191 alac_encoder_select="lpc"
1192 amrnb_decoder_select="lsp"
1193 atrac1_decoder_select="mdct"
1194 atrac3_decoder_select="mdct"
1195 binkaudio_dct_decoder_select="mdct rdft dct"
1196 binkaudio_rdft_decoder_select="mdct rdft"
1197 cavs_decoder_select="golomb"
1198 cook_decoder_select="mdct"
1199 cscd_decoder_suggest="zlib"
1200 dca_decoder_select="mdct"
1201 dnxhd_encoder_select="aandct"
1202 dxa_decoder_select="zlib"
1203 eac3_decoder_select="ac3_decoder"
1204 eamad_decoder_select="aandct"
1205 eatgq_decoder_select="aandct"
1206 eatqi_decoder_select="aandct"
1207 ffv1_decoder_select="golomb"
1208 flac_decoder_select="golomb"
1209 flac_encoder_select="golomb lpc"
1210 flashsv_decoder_select="zlib"
1211 flashsv_encoder_select="zlib"
1212 flv_decoder_select="h263_decoder"
1213 flv_encoder_select="h263_encoder"
1214 fraps_decoder_select="huffman"
1215 h261_encoder_select="aandct"
1216 h263_decoder_select="h263_parser"
1217 h263_encoder_select="aandct"
1218 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1219 h263i_decoder_select="h263_decoder"
1220 h263p_encoder_select="h263_encoder"
1221 h264_decoder_select="golomb h264dsp h264pred"
1222 h264_dxva2_hwaccel_deps="dxva2api_h"
1223 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1224 h264_vaapi_hwaccel_select="vaapi"
1225 h264_vdpau_decoder_select="vdpau h264_decoder"
1226 imc_decoder_select="fft mdct"
1227 jpegls_decoder_select="golomb"
1228 jpegls_encoder_select="golomb"
1229 ljpeg_encoder_select="aandct"
1230 loco_decoder_select="golomb"
1231 mjpeg_encoder_select="aandct"
1232 mlp_decoder_select="mlp_parser"
1233 mp1float_decoder_select="dct"
1234 mp2float_decoder_select="dct"
1235 mp3adufloat_decoder_select="dct"
1236 mp3float_decoder_select="dct"
1237 mp3on4float_decoder_select="dct"
1238 mpeg1video_encoder_select="aandct"
1239 mpeg2video_encoder_select="aandct"
1240 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1241 mpeg4_encoder_select="h263_encoder"
1242 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1243 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1244 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1245 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1246 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1247 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1248 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1249 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1250 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1251 msmpeg4v1_decoder_select="h263_decoder"
1252 msmpeg4v1_encoder_select="h263_encoder"
1253 msmpeg4v2_decoder_select="h263_decoder"
1254 msmpeg4v2_encoder_select="h263_encoder"
1255 msmpeg4v3_decoder_select="h263_decoder"
1256 msmpeg4v3_encoder_select="h263_encoder"
1257 nellymoser_decoder_select="mdct"
1258 nellymoser_encoder_select="mdct"
1259 png_decoder_select="zlib"
1260 png_encoder_select="zlib"
1261 qcelp_decoder_select="lsp"
1262 qdm2_decoder_select="mdct rdft"
1263 ra_144_encoder_select="lpc"
1264 rv10_decoder_select="h263_decoder"
1265 rv10_encoder_select="h263_encoder"
1266 rv20_decoder_select="h263_decoder"
1267 rv20_encoder_select="h263_encoder"
1268 rv30_decoder_select="golomb h264pred"
1269 rv40_decoder_select="golomb h264pred"
1270 shorten_decoder_select="golomb"
1271 sipr_decoder_select="lsp"
1272 snow_decoder_select="dwt"
1273 snow_encoder_select="aandct dwt"
1274 sonic_decoder_select="golomb"
1275 sonic_encoder_select="golomb"
1276 sonic_ls_encoder_select="golomb"
1277 svq1_encoder_select="aandct"
1278 svq3_decoder_select="golomb h264dsp h264pred"
1279 svq3_decoder_suggest="zlib"
1280 theora_decoder_select="vp3_decoder"
1281 tiff_decoder_suggest="zlib"
1282 tiff_encoder_suggest="zlib"
1283 truehd_decoder_select="mlp_decoder"
1284 tscc_decoder_select="zlib"
1285 twinvq_decoder_select="mdct lsp"
1286 vc1_decoder_select="h263_decoder"
1287 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1288 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1289 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1290 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1291 vorbis_decoder_select="mdct"
1292 vorbis_encoder_select="mdct"
1293 vp6_decoder_select="huffman"
1294 vp6a_decoder_select="vp6_decoder"
1295 vp6f_decoder_select="vp6_decoder"
1296 vp8_decoder_select="h264pred"
1297 wmapro_decoder_select="mdct"
1298 wmav1_decoder_select="mdct"
1299 wmav1_encoder_select="mdct"
1300 wmav2_decoder_select="mdct"
1301 wmav2_encoder_select="mdct"
1302 wmavoice_decoder_select="lsp rdft dct mdct"
1303 wmv1_decoder_select="h263_decoder"
1304 wmv1_encoder_select="h263_encoder"
1305 wmv2_decoder_select="h263_decoder"
1306 wmv2_encoder_select="h263_encoder"
1307 wmv3_decoder_select="vc1_decoder"
1308 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1309 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1310 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1311 zlib_decoder_select="zlib"
1312 zlib_encoder_select="zlib"
1313 zmbv_decoder_select="zlib"
1314 zmbv_encoder_select="zlib"
1315
1316 vaapi_deps="va_va_h"
1317 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1318
1319 # parsers
1320 h264_parser_select="golomb h264dsp h264pred"
1321
1322 # external libraries
1323 libdirac_decoder_deps="libdirac !libschroedinger"
1324 libdirac_encoder_deps="libdirac"
1325 libfaac_encoder_deps="libfaac"
1326 libgsm_decoder_deps="libgsm"
1327 libgsm_encoder_deps="libgsm"
1328 libgsm_ms_decoder_deps="libgsm"
1329 libgsm_ms_encoder_deps="libgsm"
1330 libmp3lame_encoder_deps="libmp3lame"
1331 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1332 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1333 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1334 libopenjpeg_decoder_deps="libopenjpeg"
1335 libschroedinger_decoder_deps="libschroedinger"
1336 libschroedinger_encoder_deps="libschroedinger"
1337 libspeex_decoder_deps="libspeex"
1338 libtheora_encoder_deps="libtheora"
1339 libvorbis_encoder_deps="libvorbis"
1340 libvpx_decoder_deps="libvpx"
1341 libvpx_encoder_deps="libvpx"
1342 libx264_encoder_deps="libx264"
1343 libxavs_encoder_deps="libxavs"
1344 libxvid_encoder_deps="libxvid"
1345
1346 # demuxers / muxers
1347 ac3_demuxer_deps="ac3_parser"
1348 asf_stream_muxer_select="asf_muxer"
1349 avisynth_demuxer_deps="avisynth"
1350 dirac_demuxer_deps="dirac_parser"
1351 eac3_demuxer_select="ac3_parser"
1352 ipod_muxer_select="mov_muxer"
1353 libnut_demuxer_deps="libnut"
1354 libnut_muxer_deps="libnut"
1355 matroska_audio_muxer_select="matroska_muxer"
1356 matroska_demuxer_suggest="zlib bzlib"
1357 mov_demuxer_suggest="zlib"
1358 mp3_demuxer_deps="mpegaudio_parser"
1359 mp4_muxer_select="mov_muxer"
1360 mpegtsraw_demuxer_select="mpegts_demuxer"
1361 mxf_d10_muxer_select="mxf_muxer"
1362 ogg_demuxer_select="golomb"
1363 psp_muxer_select="mov_muxer"
1364 rtsp_demuxer_select="http_protocol sdp_demuxer"
1365 rtsp_muxer_select="rtp_muxer http_protocol sdp_demuxer"
1366 sap_muxer_select="rtp_muxer rtp_protocol"
1367 sdp_demuxer_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1368 spdif_muxer_select="aac_parser"
1369 tg2_muxer_select="mov_muxer"
1370 tgp_muxer_select="mov_muxer"
1371 w64_demuxer_deps="wav_demuxer"
1372
1373 # indevs / outdevs
1374 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1375 alsa_outdev_deps="alsa_asoundlib_h"
1376 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1377 dv1394_indev_deps="dv1394 dv_demuxer"
1378 jack_indev_deps="jack_jack_h"
1379 libdc1394_indev_deps="libdc1394"
1380 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1381 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1382 v4l_indev_deps="linux_videodev_h"
1383 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1384 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1385 vfwcap_indev_extralibs="-lavicap32"
1386 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1387 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1388
1389 # protocols
1390 gopher_protocol_deps="network"
1391 http_protocol_deps="network"
1392 http_protocol_select="tcp_protocol"
1393 mmsh_protocol_select="http_protocol"
1394 mmst_protocol_deps="network"
1395 rtmp_protocol_select="tcp_protocol"
1396 rtp_protocol_select="udp_protocol"
1397 tcp_protocol_deps="network"
1398 udp_protocol_deps="network"
1399
1400 # filters
1401 blackframe_filter_deps="gpl"
1402 frei0r_filter_deps="frei0r dlopen strtok_r"
1403 ocv_smooth_filter_deps="libopencv"
1404 yadif_filter_deps="gpl"
1405
1406 # libraries
1407 avdevice_deps="avcodec avformat"
1408 avformat_deps="avcodec"
1409
1410 # programs
1411 ffmpeg_deps="avcodec avformat swscale"
1412 ffmpeg_select="buffer_filter"
1413 ffplay_deps="avcodec avformat swscale sdl"
1414 ffplay_select="rdft"
1415 ffprobe_deps="avcodec avformat"
1416 ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1417 ffserver_extralibs='$ldl'
1418
1419 doc_deps="texi2html"
1420
1421 # tests
1422
1423 test_deps(){
1424 suf1=$1
1425 suf2=$2
1426 shift 2
1427 for v; do
1428 dep=${v%=*}
1429 tests=${v#*=}
1430 for name in ${tests}; do
1431 eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1432 done
1433 done
1434 }
1435
1436 set_ne_test_deps(){
1437 eval ${1}_be_test_deps="bigendian"
1438 eval ${1}_le_test_deps="!bigendian"
1439 }
1440
1441 test_deps _encoder _decoder \
1442 ac3 \
1443 adpcm_g726=g726 \
1444 adpcm_ima_qt \
1445 adpcm_ima_wav \
1446 adpcm_ms \
1447 adpcm_swf \
1448 adpcm_yamaha=adpcm_yam \
1449 alac \
1450 asv1 \
1451 asv2 \
1452 bmp \
1453 dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1454 dvvideo="dv dv50" \
1455 ffv1 \
1456 flac \
1457 flashsv \
1458 flv \
1459 gif \
1460 h261 \
1461 h263="h263 h263p" \
1462 huffyuv \
1463 jpegls \
1464 mjpeg="jpg mjpeg ljpeg" \
1465 mp2 \
1466 mpeg1video="mpeg mpeg1b" \
1467 mpeg2video="mpeg2 mpeg2thread" \
1468 mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc" \
1469 msmpeg4v3=msmpeg4 \
1470 msmpeg4v2 \
1471 pbm=pbmpipe \
1472 pcx \
1473 pgm="pgm pgmpipe" \
1474 ppm="ppm ppmpipe" \
1475 rawvideo="rgb yuv" \
1476 roq \
1477 rv10 \
1478 rv20 \
1479 sgi \
1480 snow="snow snowll" \
1481 svq1 \
1482 targa=tga \
1483 tiff \
1484 wmav1 \
1485 wmav2 \
1486 wmv1 \
1487 wmv2 \
1488
1489 test_deps _muxer _demuxer \
1490 aiff \
1491 pcm_alaw=alaw \
1492 asf \
1493 au \
1494 avi \
1495 dv=dv_fmt \
1496 ffm \
1497 flv=flv_fmt \
1498 gxf \
1499 matroska=mkv \
1500 mmf \
1501 mov \
1502 pcm_mulaw=mulaw \
1503 mxf \
1504 nut \
1505 ogg \
1506 rawvideo=pixfmt \
1507 rm \
1508 swf \
1509 mpegts=ts \
1510 voc \
1511 wav \
1512 yuv4mpegpipe=yuv4mpeg \
1513
1514 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1515
1516 set_ne_test_deps pixdesc
1517 set_ne_test_deps pixfmts_crop
1518 set_ne_test_deps pixfmts_hflip
1519 set_ne_test_deps pixfmts_null
1520 set_ne_test_deps pixfmts_pad
1521 set_ne_test_deps pixfmts_scale
1522 set_ne_test_deps pixfmts_vflip
1523
1524 # default parameters
1525
1526 logfile="config.log"
1527
1528 # installation paths
1529 prefix_default="/usr/local"
1530 bindir_default='${prefix}/bin'
1531 datadir_default='${prefix}/share/ffmpeg'
1532 incdir_default='${prefix}/include'
1533 libdir_default='${prefix}/lib'
1534 mandir_default='${prefix}/share/man'
1535 shlibdir_default="$libdir_default"
1536
1537 # toolchain
1538 ar_default="ar"
1539 cc_default="gcc"
1540 cc_version=\"unknown\"
1541 host_cc_default="gcc"
1542 ln_s="ln -sf"
1543 nm_default="nm"
1544 objformat="elf"
1545 ranlib="ranlib"
1546 strip_default="strip"
1547 yasmexe="yasm"
1548 nogas=":"
1549
1550 nm_opts='-g'
1551
1552 # machine
1553 arch_default=$(uname -m)
1554 cpu="generic"
1555
1556 # OS
1557 target_os_default=$(tolower $(uname -s))
1558 host_os=$target_os_default
1559
1560 # configurable options
1561 enable avcodec
1562 enable avcore
1563 enable avdevice
1564 enable avfilter
1565 enable avformat
1566 enable avutil
1567 enable asm
1568 enable debug
1569 enable doc
1570 enable fastdiv
1571 enable ffmpeg
1572 enable ffplay
1573 enable ffprobe
1574 enable ffserver
1575 enable mpegaudio_hp
1576 enable network
1577 enable optimizations
1578 enable protocols
1579 enable static
1580 enable stripping
1581 enable swscale
1582 enable swscale_alpha
1583
1584 # build settings
1585 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1586 FFSERVERLDFLAGS=-Wl,-E
1587 LIBPREF="lib"
1588 LIBSUF=".a"
1589 FULLNAME='$(NAME)$(BUILDSUF)'
1590 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1591 SLIBPREF="lib"
1592 SLIBSUF=".so"
1593 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1594 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1595 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1596 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1597
1598 CC_O='-o $@'
1599
1600 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1601 host_libs='-lm'
1602
1603 target_path='$(CURDIR)'
1604
1605 # since the object filename is not given with the -MM flag, the compiler
1606 # is only able to print the basename, and we must add the path ourselves
1607 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1608 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1609
1610 # find source path
1611 source_path="$(dirname "$0")"
1612 enable source_path_used
1613 if test -f configure; then
1614 source_path="$(pwd)"
1615 disable source_path_used
1616 else
1617 source_path="$(cd "$source_path"; pwd)"
1618 echo "$source_path" | grep -q '[[:blank:]]' &&
1619 die "Out of tree builds are impossible with whitespace in source path."
1620 test -e "$source_path/config.h" &&
1621 die "Out of tree builds are impossible with config.h in source dir."
1622 fi
1623
1624 for v in "$@"; do
1625 r=${v#*=}
1626 l=${v%"$r"}
1627 r=$(sh_quote "$r")
1628 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1629 done
1630
1631 find_things(){
1632 thing=$1
1633 pattern=$2
1634 file=$source_path/$3
1635 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1636 }
1637
1638 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1639 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1640 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1641 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1642 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1643 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1644 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1645 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1646 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1647 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1648 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1649
1650 find_tests(){
1651 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1652 }
1653
1654 ACODEC_TESTS=$(find_tests acodec)
1655 VCODEC_TESTS=$(find_tests vsynth1)
1656 LAVF_TESTS=$(find_tests lavf)
1657 LAVFI_TESTS=$(find_tests lavfi)
1658 SEEK_TESTS=$(find_tests seek seek_)
1659
1660 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1661
1662 for n in $COMPONENT_LIST; do
1663 v=$(toupper ${n%s})_LIST
1664 eval enable \$$v
1665 eval ${n}_if_any="\$$v"
1666 done
1667
1668 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1669
1670 die_unknown(){
1671 echo "Unknown option \"$1\"."
1672 echo "See $0 --help for available options."
1673 exit 1
1674 }
1675
1676 show_list() {
1677 suffix=_$1
1678 shift
1679 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1680 exit 0
1681 }
1682
1683 for opt do
1684 optval="${opt#*=}"
1685 case "$opt" in
1686 --extra-ldflags=*) add_ldflags $optval
1687 ;;
1688 --extra-libs=*) add_extralibs $optval
1689 ;;
1690 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1691 ;;
1692 --enable-debug=*) debuglevel="$optval"
1693 ;;
1694 --disable-everything)
1695 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1696 ;;
1697 --enable-*=*|--disable-*=*)
1698 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1699 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1700 eval list=\$$(toupper $thing)_LIST
1701 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1702 $action $(filter "$name" $list)
1703 ;;
1704 --enable-?*|--disable-?*)
1705 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1706 if is_in $option $COMPONENT_LIST; then
1707 test $action = disable && action=unset
1708 eval $action \$$(toupper ${option%s})_LIST
1709 elif is_in $option $CMDLINE_SELECT; then
1710 $action $option
1711 else
1712 die_unknown $opt
1713 fi
1714 ;;
1715 --list-*)
1716 NAME="${opt#--list-}"
1717 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1718 NAME=${NAME%s}
1719 eval show_list $NAME \$$(toupper $NAME)_LIST
1720 ;;
1721 --help|-h) show_help
1722 ;;
1723 *)
1724 optname="${opt%%=*}"
1725 optname="${optname#--}"
1726 optname=$(echo "$optname" | sed 's/-/_/g')
1727 if is_in $optname $CMDLINE_SET; then
1728 eval $optname='$optval'
1729 elif is_in $optname $CMDLINE_APPEND; then
1730 append $optname "$optval"
1731 else
1732 die_unknown $opt
1733 fi
1734 ;;
1735 esac
1736 done
1737
1738 disabled logging && logfile=/dev/null
1739
1740 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1741 set >> $logfile
1742
1743 test -n "$cross_prefix" && enable cross_compile
1744
1745 if enabled cross_compile; then
1746 test -n "$arch" && test -n "$target_os" ||
1747 die "Must specify target arch and OS when cross-compiling"
1748 fi
1749
1750 set_default arch target_os
1751
1752 ar_default="${cross_prefix}${ar_default}"
1753 cc_default="${cross_prefix}${cc_default}"
1754 nm_default="${cross_prefix}${nm_default}"
1755 ranlib="${cross_prefix}${ranlib}"
1756 strip_default="${cross_prefix}${strip_default}"
1757
1758 sysinclude_default="${sysroot}/usr/include"
1759
1760 set_default cc nm strip sysinclude
1761 enabled cross_compile || host_cc_default=$cc
1762 set_default host_cc
1763
1764 exesuf() {
1765 case $1 in
1766 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1767 esac
1768 }
1769
1770 EXESUF=$(exesuf $target_os)
1771 HOSTEXESUF=$(exesuf $host_os)
1772
1773 # set temporary file name
1774 : ${TMPDIR:=$TEMPDIR}
1775 : ${TMPDIR:=$TMP}
1776 : ${TMPDIR:=/tmp}
1777
1778 if ! check_cmd type mktemp; then
1779 # simple replacement for missing mktemp
1780 # NOT SAFE FOR GENERAL USE
1781 mktemp(){
1782 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1783 }
1784 fi
1785
1786 tmpfile(){
1787 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1788 (set -C; exec > $tmp) 2>/dev/null ||
1789 die "Unable to create temporary file in $TMPDIR."
1790 append TMPFILES $tmp
1791 eval $1=$tmp
1792 }
1793
1794 trap 'rm -f -- $TMPFILES' EXIT
1795 trap exit HUP INT TERM
1796
1797 tmpfile TMPC .c
1798 tmpfile TMPE $EXESUF
1799 tmpfile TMPH .h
1800 tmpfile TMPO .o
1801 tmpfile TMPS .S
1802 tmpfile TMPV .ver
1803 tmpfile TMPSH .sh
1804 tmpfile TMPASM .asm
1805
1806 unset -f mktemp
1807
1808 # make sure we can execute files in $TMPDIR
1809 cat > $TMPSH 2>> $logfile <<EOF
1810 #! /bin/sh
1811 EOF
1812 chmod +x $TMPSH >> $logfile 2>&1
1813 if ! $TMPSH >> $logfile 2>&1; then
1814 cat <<EOF
1815 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1816 variable to another directory and make sure that it is not mounted noexec.
1817 EOF
1818 die "Sanity test failed."
1819 fi
1820
1821 filter_cflags=echo
1822 filter_cppflags=echo
1823 filter_asflags=echo
1824
1825 if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1826 cc_type=llvm_gcc
1827 cc_version=__VERSION__
1828 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1829 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1830 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1831 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1832 speed_cflags='-O3'
1833 size_cflags='-Os'
1834 elif $cc -v 2>&1 | grep -qi ^gcc; then
1835 cc_type=gcc
1836 cc_version=__VERSION__
1837 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1838 cc_ident="gcc $($cc -dumpversion) $gcc_extra_ver"
1839 if ! $cc -dumpversion | grep -q '^2\.'; then
1840 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1841 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1842 fi
1843 speed_cflags='-O3'
1844 size_cflags='-Os'
1845 elif $cc --version 2>/dev/null | grep -q Intel; then
1846 cc_type=icc
1847 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1848 cc_ident=$($cc --version | head -n1)
1849 icc_version=$($cc -dumpversion)
1850 CC_DEPFLAGS='-MMD'
1851 AS_DEPFLAGS='-MMD'
1852 speed_cflags='-O3'
1853 size_cflags='-Os'
1854 noopt_cflags='-O1'
1855 elif $cc -v 2>&1 | grep -q xlc; then
1856 cc_type=xlc
1857 cc_version="AV_STRINGIFY(__IBMC__)"
1858 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1859 speed_cflags='-O5'
1860 size_cflags='-O5 -qcompact'
1861 elif $cc -V 2>/dev/null | grep -q Compaq; then
1862 cc_type=ccc
1863 cc_version="AV_STRINGIFY(__DECC_VER)"
1864 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1865 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1866 debuglevel=3
1867 add_ldflags -Wl,-z,now # calls to libots crash without this
1868 speed_cflags='-fast'
1869 size_cflags='-O1'
1870 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1871 test -d "$sysroot" || die "No valid sysroot specified."
1872 cc_type=armcc
1873 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1874 cc_ident=$($cc --vsn | head -n1)
1875 armcc_conf="$PWD/armcc.conf"
1876 $cc --arm_linux_configure \
1877 --arm_linux_config_file="$armcc_conf" \
1878 --configure_sysroot="$sysroot" \
1879 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1880 die "Error creating armcc configuration file."
1881 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1882 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1883 as_default="${cross_prefix}gcc"
1884 CC_DEPFLAGS='-MMD'
1885 AS_DEPFLAGS='-MMD'
1886 speed_cflags='-O3'
1887 size_cflags='-Os'
1888 elif $cc -version 2>/dev/null | grep -q TMS470; then
1889 cc_type=tms470
1890 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1891 cc_ident=$($cc -version | head -n1 | tr -s ' ')
1892 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1893 CC_O='-fr=$(@D)'
1894 as_default="${cross_prefix}gcc"
1895 ld_default="${cross_prefix}gcc"
1896 TMPO=$(basename $TMPC .c).o
1897 append TMPFILES $TMPO
1898 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1899 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1900 AS_DEPFLAGS='-MMD'
1901 speed_cflags='-O3 -mf=5'
1902 size_cflags='-O3 -mf=2'
1903 filter_cflags=tms470_flags
1904 tms470_flags(){
1905 for flag; do
1906 case $flag in
1907 -march=*|-mcpu=*)
1908 case "${flag#*=}" in
1909 armv7-a|cortex-a*) echo -mv=7a8 ;;
1910 armv7-r|cortex-r*) echo -mv=7r4 ;;
1911 armv7-m|cortex-m*) echo -mv=7m3 ;;
1912 armv6*|arm11*) echo -mv=6 ;;
1913 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1914 echo -mv=5e ;;
1915 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1916 esac
1917 ;;
1918 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1919 -mfpu=vfp) echo --float_support=vfpv2 ;;
1920 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1921 -msoft-float) echo --float_support=vfplib ;;
1922 -O[0-3]|-mf=*) echo $flag ;;
1923 -g) echo -g -mn ;;
1924 -pds=*) echo $flag ;;
1925 esac
1926 done
1927 }
1928 elif $cc -v 2>&1 | grep -q clang; then
1929 cc_type=clang
1930 $cc -dM -E $TMPC | grep -q __clang_version__ &&
1931 cc_version=__clang_version__ || cc_version=__VERSION__
1932 cc_ident=$($cc --version | head -n1)
1933 CC_DEPFLAGS='-MMD'
1934 AS_DEPFLAGS='-MMD'
1935 speed_cflags='-O3'
1936 size_cflags='-Os'
1937 elif $cc -V 2>&1 | grep -q Sun; then
1938 cc_type=suncc
1939 cc_version="AV_STRINGIFY(__SUNPRO_C)"
1940 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
1941 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1942 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1943 speed_cflags='-O5'
1944 size_cflags='-O5 -xspace'
1945 filter_cflags=suncc_flags
1946 suncc_flags(){
1947 for flag; do
1948 case $flag in
1949 -march=*|-mcpu=*)
1950 case "${flag#*=}" in
1951 native) echo -xtarget=native ;;
1952 v9|niagara) echo -xarch=sparc ;;
1953 ultrasparc) echo -xarch=sparcvis ;;
1954 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
1955 i586|pentium) echo -xchip=pentium ;;
1956 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1957 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1958 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1959 pentium4*) echo -xtarget=pentium4 ;;
1960 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1961 *-sse3) echo -xarch=sse3 ;;
1962 core2) echo -xarch=ssse3 -xchip=core2 ;;
1963 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1964 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1965 k8|opteron|athlon64|athlon-fx)
1966 echo -xarch=sse2a ;;
1967 athlon*) echo -xarch=pentium_proa ;;
1968 esac
1969 ;;
1970 -std=c99) echo -xc99 ;;
1971 -fomit-frame-pointer) echo -xregs=frameptr ;;
1972 -fPIC) echo -KPIC -xcode=pic32 ;;
1973 -W*,*) echo $flag ;;
1974 -f*-*|-W*) ;;
1975 *) echo $flag ;;
1976 esac
1977 done
1978 }
1979 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
1980 cc_type=pathscale
1981 cc_version=__PATHSCALE__
1982 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
1983 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1984 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1985 speed_cflags='-O2'
1986 size_cflags='-Os'
1987 elif $cc -v 2>&1 | grep -q Open64; then
1988 cc_type=open64
1989 cc_version=__OPEN64__
1990 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
1991 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1992 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1993 speed_cflags='-O2'
1994 size_cflags='-Os'
1995 fi
1996
1997 test -n "$cc_type" && enable $cc_type ||
1998 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
1999
2000 : ${as_default:=$cc}
2001 : ${dep_cc_default:=$cc}
2002 : ${ld_default:=$cc}
2003 set_default ar as dep_cc ld
2004
2005 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2006 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2007
2008 add_cflags $extra_cflags
2009 add_asflags $extra_cflags
2010
2011 if test -n "$sysroot"; then
2012 case "$cc_type" in
2013 gcc|llvm_gcc)
2014 add_cppflags --sysroot="$sysroot"
2015 add_ldflags --sysroot="$sysroot"
2016 ;;
2017 tms470)
2018 add_cppflags -I"$sysinclude"
2019 add_ldflags --sysroot="$sysroot"
2020 ;;
2021 clang)
2022 add_cppflags -isysroot "$sysroot"
2023 add_ldflags -isysroot "$sysroot"
2024 ;;
2025 esac
2026 fi
2027
2028 if test "$cpu" = host; then
2029 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2030
2031 case "$cc_type" in
2032 gcc|llvm_gcc)
2033 check_native(){
2034 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2035 sed -n "/$1=/{
2036 s/.*$1=\\([^ ]*\\).*/\\1/
2037 p
2038 q
2039 }" $TMPE
2040 }
2041 cpu=$(check_native -march || check_native -mcpu)
2042 ;;
2043 esac
2044
2045 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2046 fi
2047
2048 # Deal with common $arch aliases
2049 case "$arch" in
2050 arm*)
2051 arch="arm"
2052 ;;
2053 mips|mipsel|IP*)
2054 arch="mips"
2055 ;;
2056 mips64*)
2057 arch="mips"
2058 subarch="mips64"
2059 ;;
2060 parisc|hppa)
2061 arch="parisc"
2062 ;;
2063 parisc64|hppa64)
2064 arch="parisc"
2065 subarch="parisc64"
2066 ;;
2067 "Power Macintosh"|ppc|powerpc)
2068 arch="ppc"
2069 ;;
2070 ppc64|powerpc64)
2071 arch="ppc"
2072 subarch="ppc64"
2073 ;;
2074 s390|s390x)
2075 arch="s390"
2076 ;;
2077 sh4|sh)
2078 arch="sh4"
2079 ;;
2080 sun4u|sparc64)
2081 arch="sparc"
2082 subarch="sparc64"
2083 ;;
2084 i[3-6]86|i86pc|BePC|x86_64|amd64)
2085 arch="x86"
2086 ;;
2087 esac
2088
2089 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2090 enable $arch
2091
2092 # Add processor-specific flags
2093 if test "$cpu" = generic; then
2094 : do nothing
2095 elif enabled ppc; then
2096
2097 case $(tolower $cpu) in
2098 601|ppc601|powerpc601)
2099 cpuflags="-mcpu=601"
2100 disable altivec
2101 ;;
2102 603*|ppc603*|powerpc603*)
2103 cpuflags="-mcpu=603"
2104 disable altivec
2105 ;;
2106 604*|ppc604*|powerpc604*)
2107 cpuflags="-mcpu=604"
2108 disable altivec
2109 ;;
2110 g3|75*|ppc75*|powerpc75*)
2111 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2112 disable altivec
2113 ;;
2114 g4|745*|ppc745*|powerpc745*)
2115 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2116 ;;
2117 74*|ppc74*|powerpc74*)
2118 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2119 ;;
2120 g5|970|ppc970|powerpc970|power4*)
2121 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2122 ;;
2123 cell)
2124 cpuflags="-mcpu=cell"
2125 enable ldbrx
2126 ;;
2127 e500v2)
2128 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2129 disable altivec
2130 ;;
2131 e500)
2132 cpuflags="-mcpu=8540 -mhard-float"
2133 disable altivec
2134 ;;
2135 esac
2136
2137 elif enabled x86; then
2138
2139 case $cpu in
2140 i[345]86|pentium)
2141 cpuflags="-march=$cpu"
2142 disable mmx
2143 ;;
2144 # targets that do NOT support conditional mov (cmov)
2145 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2146 cpuflags="-march=$cpu"
2147 disable cmov
2148 ;;
2149 # targets that do support conditional mov (cmov)
2150 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona|atom)
2151 cpuflags="-march=$cpu"
2152 enable cmov
2153 enable fast_cmov
2154 ;;
2155 # targets that do support conditional mov but on which it's slow
2156 pentium4|pentium4m|prescott|nocona)
2157 cpuflags="-march=$cpu"
2158 enable cmov
2159 disable fast_cmov
2160 ;;
2161 esac
2162
2163 elif enabled sparc; then
2164
2165 case $cpu in
2166 niagara)
2167 cpuflags="-mcpu=$cpu"
2168 disable vis
2169 ;;
2170 sparc64)
2171 cpuflags="-mcpu=v9"
2172 ;;
2173 esac
2174
2175 elif enabled arm; then
2176
2177 case $cpu in
2178 armv*)
2179 cpuflags="-march=$cpu"
2180 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2181 ;;
2182 *)
2183 cpuflags="-mcpu=$cpu"
2184 case $cpu in
2185 cortex-a*) subarch=armv7a ;;
2186 cortex-r*) subarch=armv7r ;;
2187 cortex-m*) subarch=armv7m ;;
2188 arm11*) subarch=armv6 ;;
2189 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2190 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2191 esac
2192 ;;
2193 esac
2194
2195 elif enabled alpha; then
2196
2197 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2198
2199 elif enabled bfin; then
2200
2201 cpuflags="-mcpu=$cpu"
2202
2203 elif enabled mips; then
2204
2205 cpuflags="-march=$cpu"
2206
2207 elif enabled avr32; then
2208
2209 case $cpu in
2210 ap7[02]0[0-2])
2211 subarch="avr32_ap"
2212 cpuflags="-mpart=$cpu"
2213 ;;
2214 ap)
2215 subarch="avr32_ap"
2216 cpuflags="-march=$cpu"
2217 ;;
2218 uc3[ab]*)
2219 subarch="avr32_uc"
2220 cpuflags="-mcpu=$cpu"
2221 ;;
2222 uc)
2223 subarch="avr32_uc"
2224 cpuflags="-march=$cpu"
2225 ;;
2226 esac
2227
2228 fi
2229
2230 add_cflags $cpuflags
2231 add_asflags $cpuflags
2232
2233 # compiler sanity check
2234 check_exec <<EOF
2235 int main(void){ return 0; }
2236 EOF
2237 if test "$?" != 0; then
2238 echo "$cc is unable to create an executable file."
2239 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2240 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2241 echo "Only do this if you know what cross compiling means."
2242 fi
2243 die "C compiler test failed."
2244 fi
2245
2246 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2247 check_cflags -std=c99
2248 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2249 #include <stdlib.h>
2250 EOF
2251 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2252 #include <stdlib.h>
2253 EOF
2254
2255 check_host_cflags -std=c99
2256
2257 case "$arch" in
2258 alpha|ia64|mips|parisc|sparc)
2259 spic=$shared
2260 ;;
2261 x86)
2262 subarch="x86_32"
2263 check_cc <<EOF && subarch="x86_64"
2264 int test[(int)sizeof(char*) - 7];
2265 EOF
2266 if test "$subarch" = "x86_64"; then
2267 spic=$shared
2268 fi
2269 ;;
2270 esac
2271
2272 enable $subarch
2273 enabled spic && enable pic
2274
2275 # OS specific
2276 case $target_os in
2277 haiku)
2278 prefix_default="/boot/common"
2279 network_extralibs="-lnetwork"
2280 ;;
2281 sunos)
2282 FFSERVERLDFLAGS=""
2283 SHFLAGS='-shared -Wl,-h,$$(@F)'
2284 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2285 network_extralibs="-lsocket -lnsl"
2286 add_cppflags -D__EXTENSIONS__
2287 nm_opts='-P -g'
2288 ;;
2289 netbsd)
2290 oss_indev_extralibs="-lossaudio"
2291 oss_outdev_extralibs="-lossaudio"
2292 add_cppflags -D_XOPEN_SOURCE=600
2293 ;;
2294 openbsd)
2295 enable malloc_aligned
2296 # On OpenBSD 4.5. the compiler does not use PIC unless
2297 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2298 # however the generated executable will not do anything
2299 # (simply quits with exit-code 1, no crash, no output).
2300 # Thus explicitly enable PIC here.
2301 enable pic
2302 SHFLAGS='-shared'
2303 oss_indev_extralibs="-lossaudio"
2304 oss_outdev_extralibs="-lossaudio"
2305 ;;
2306 freebsd|dragonfly)
2307 enable malloc_aligned
2308 ;;
2309 bsd/os)
2310 add_extralibs -lpoll -lgnugetopt
2311 strip="strip -d"
2312 ;;
2313 darwin)
2314 enable malloc_aligned
2315 gas="gas-preprocessor.pl $cc"
2316 enabled ppc && add_asflags -force_cpusubtype_ALL
2317 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2318 strip="${strip} -x"
2319 add_ldflags -Wl,-dynamic,-search_paths_first
2320 SLIBSUF=".dylib"
2321 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2322 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2323 FFSERVERLDFLAGS=-Wl,-bind_at_load
2324 objformat="macho"
2325 enabled x86_64 && objformat="macho64"
2326 enabled_any pic shared ||
2327 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2328 ;;
2329 mingw32*)
2330 if test $target_os = "mingw32ce"; then
2331 disable network
2332 else
2333 target_os=mingw32
2334 fi
2335 LIBTARGET=i386
2336 if enabled x86_64; then
2337 enable malloc_aligned
2338 LIBTARGET=x64
2339 elif enabled arm; then
2340 LIBTARGET=arm
2341 fi
2342 shlibdir_default="$bindir_default"
2343 disable ffserver
2344 SLIBPREF=""
2345 SLIBSUF=".dll"
2346 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2347 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2348 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2349 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2350 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2351 install -d "$(LIBDIR)"; \
2352 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2353 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2354 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'
2355 objformat="win32"
2356 enable dos_paths
2357 check_cflags -fno-common
2358 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2359 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2360 die "ERROR: MinGW runtime version must be >= 3.15."
2361 ;;
2362 cygwin*)
2363 target_os=cygwin
2364 shlibdir_default="$bindir_default"
2365 SLIBPREF="cyg"
2366 SLIBSUF=".dll"
2367 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2368 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2369 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2370 objformat="win32"
2371 enable dos_paths
2372 check_cflags -fno-common
2373 ;;
2374 *-dos|freedos|opendos)
2375 disable ffplay ffserver
2376 disable $INDEV_LIST $OUTDEV_LIST
2377 network_extralibs="-lsocket"
2378 objformat="coff"
2379 enable dos_paths
2380 ;;
2381 linux)
2382 enable dv1394
2383 ;;
2384 irix*)
2385 target_os=irix
2386 ranlib="echo ignoring ranlib"
2387 ;;
2388 os/2*)
2389 strip="lxlite"
2390 ln_s="cp -f"
2391 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2392 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2393 FFSERVERLDFLAGS=""
2394 LIBSUF="_s.a"
2395 SLIBPREF=""
2396 SLIBSUF=".dll"
2397 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2398 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2399 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2400 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2401 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2402 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2403 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2404 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2405 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2406 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2407 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2408 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2409 enable dos_paths
2410 ;;
2411 gnu/kfreebsd)
2412 ;;
2413 gnu)
2414 ;;
2415 none)
2416 ;;
2417 *)
2418 die "Unknown OS '$target_os'."
2419 ;;
2420 esac
2421
2422 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2423
2424 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2425
2426 set_default $PATHS_LIST
2427
2428 # we need to build at least one lib type
2429 if ! enabled_any static shared; then
2430 cat <<EOF
2431 At least one library type must be built.
2432 Specify --enable-static to build the static libraries or --enable-shared to
2433 build the shared libraries as well. To only build the shared libraries specify
2434 --disable-static in addition to --enable-shared.
2435 EOF
2436 exit 1;
2437 fi
2438
2439 disabled static && LIBNAME=""
2440
2441 die_license_disabled() {
2442 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2443 }
2444
2445 die_license_disabled gpl libx264
2446 die_license_disabled gpl libxavs
2447 die_license_disabled gpl libxvid
2448 die_license_disabled gpl postproc
2449 die_license_disabled gpl x11grab
2450
2451 die_license_disabled nonfree libfaac
2452
2453 die_license_disabled version3 libopencore_amrnb
2454 die_license_disabled version3 libopencore_amrwb
2455
2456 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2457
2458 check_deps $ARCH_EXT_LIST
2459
2460 disabled optimizations || check_cflags -fomit-frame-pointer
2461
2462 enable_pic() {
2463 enable pic
2464 add_cppflags -DPIC
2465 add_cflags -fPIC
2466 add_asflags -fPIC
2467 }
2468
2469 enabled pic && enable_pic
2470
2471 check_cc <<EOF || die "Symbol mangling check failed."
2472 int ff_extern;
2473 EOF
2474 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2475 extern_prefix=${sym%%ff_extern*}
2476
2477 check_cc <<EOF && enable inline_asm
2478 void foo(void) { __asm__ volatile ("" ::); }
2479 EOF
2480
2481 _restrict=
2482 for restrict_keyword in restrict __restrict__ __restrict; do
2483 check_cc <<EOF && _restrict=$restrict_keyword && break
2484 void foo(char * $restrict_keyword p);
2485 EOF
2486 done
2487
2488 check_cc <<EOF && enable attribute_packed
2489 struct { int x; } __attribute__((packed)) x;
2490 EOF
2491
2492 check_cc <<EOF && enable attribute_may_alias
2493 union { int x; } __attribute__((may_alias)) x;
2494 EOF
2495
2496 check_cc <<EOF || die "endian test failed"
2497 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2498 EOF
2499 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2500
2501 if enabled alpha; then
2502
2503 check_cflags -mieee
2504
2505 elif enabled arm; then
2506
2507 check_cflags -marm
2508 nogas=die
2509
2510 check_ld <<EOF && enable vfp_args
2511 __asm__ (".eabi_attribute 28, 1");
2512 int main(void) { return 0; }
2513 EOF
2514
2515 # We have to check if pld is a nop and disable it.
2516 check_asm pld '"pld [r0]"'
2517
2518 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2519 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2520 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2521 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2522 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2523 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2524
2525 enabled_all armv6t2 shared !pic && enable_pic
2526
2527 elif enabled mips; then
2528
2529 check_asm loongson '"dmult.g $1, $2, $3"'
2530 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2531
2532 elif enabled ppc; then
2533
2534 enable local_aligned_8 local_aligned_16
2535
2536 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2537 check_asm ibm_asm '"add 0, 0, 0"'
2538 check_asm ppc4xx '"maclhw r10, r11, r12"'
2539 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2540
2541 # AltiVec flags: The FSF version of GCC differs from the Apple version
2542 if enabled altivec; then
2543 nogas=warn
2544 check_cflags -maltivec -mabi=altivec &&
2545 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2546 check_cflags -faltivec
2547
2548 # check if our compiler supports Motorola AltiVec C API
2549 check_cc <<EOF || disable altivec
2550 $inc_altivec_h
2551 int main(void) {
2552 vector signed int v1, v2, v3;
2553 v1 = vec_add(v2,v3);
2554 return 0;
2555 }
2556 EOF
2557
2558 # check if our compiler supports braces for vector declarations
2559 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2560 $inc_altivec_h
2561 int main (void) { (vector int) {1}; return 0; }
2562 EOF
2563 fi
2564
2565 elif enabled sparc; then
2566
2567 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2568 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2569
2570 elif enabled x86; then
2571
2572 enable local_aligned_8 local_aligned_16
2573
2574 # check whether EBP is available on x86
2575 # As 'i' is stored on the stack, this program will crash
2576 # if the base pointer is used to access it because the
2577 # base pointer is cleared in the inline assembly code.
2578 check_exec_crash <<EOF && enable ebp_available
2579 volatile int i=0;
2580 __asm__ volatile (
2581 "xorl %%ebp, %%ebp"
2582 ::: "%ebp");
2583 return i;
2584 EOF
2585
2586 # check whether EBX is available on x86
2587 check_asm ebx_available '""::"b"(0)' &&
2588 check_asm ebx_available '"":::"%ebx"'
2589
2590 # check whether xmm clobbers are supported
2591 check_asm xmm_clobbers '"":::"%xmm0"'
2592
2593 # check whether more than 10 operands are supported
2594 check_cc <<EOF && enable ten_operands
2595 int main(void) {
2596 int x=0;
2597 __asm__ volatile(
2598 ""
2599 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2600 );
2601 return 0;
2602 }
2603 EOF
2604
2605 # check whether binutils is new enough to compile SSSE3/MMX2
2606 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2607 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2608
2609 check_asm bswap '"bswap %%eax" ::: "%eax"'
2610
2611 if ! disabled_any asm mmx yasm; then
2612 if check_cmd $yasmexe --version; then
2613 enabled x86_64 && yasm_extra="-m amd64"
2614 yasm_debug="-g dwarf2"
2615 elif check_cmd nasm -v; then
2616 yasmexe=nasm
2617 yasm_debug="-g -F dwarf"
2618 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2619 fi
2620
2621 YASMFLAGS="-f $objformat $yasm_extra"
2622 enabled pic && append YASMFLAGS "-DPIC"
2623 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2624 case "$objformat" in
2625 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2626 esac
2627
2628 check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2629 die "yasm not found, use --disable-yasm for a crippled build"
2630 fi
2631
2632 case "$cpu" in
2633 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2634 disable fast_clz
2635 ;;
2636 esac
2637
2638 fi
2639
2640 if enabled asm; then
2641 as=${gas:=$as}
2642 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2643 $nogas "GNU assembler not found, install gas-preprocessor"
2644 fi
2645
2646 if check_func dlopen; then
2647 ldl=
2648 elif check_func dlopen -ldl; then
2649 ldl=-ldl
2650 fi
2651
2652 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2653 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2654
2655 check_func fcntl
2656 check_func fork
2657 check_func getaddrinfo $network_extralibs
2658 check_func gethrtime
2659 check_func getrusage
2660 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2661 check_func inet_aton $network_extralibs
2662 check_func isatty
2663 check_func ${malloc_prefix}memalign && enable memalign
2664 check_func mkstemp
2665 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2666 check_func setrlimit
2667 check_func strerror_r
2668 check_func strtok_r
2669 check_func_headers io.h setmode
2670 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2671 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2672 check_func_headers windows.h GetProcessTimes
2673 check_func_headers windows.h VirtualAlloc
2674
2675 check_header conio.h
2676 check_header dlfcn.h
2677 check_header dxva2api.h
2678 check_header malloc.h
2679 check_header poll.h
2680 check_header sys/mman.h
2681 check_header sys/resource.h
2682 check_header sys/select.h
2683 check_header termios.h
2684 check_header vdpau/vdpau.h
2685 check_header vdpau/vdpau_x11.h
2686 check_header X11/extensions/XvMClib.h
2687
2688 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2689
2690 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2691 enabled_any $need_memalign ; then
2692 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2693 fi
2694
2695 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2696 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2697
2698 # check for some common methods of building with pthread support
2699 # do this before the optional library checks as some of them require pthreads
2700 if ! disabled pthreads && ! enabled w32threads; then
2701 enable pthreads
2702 if check_func pthread_create; then
2703 :
2704 elif check_func pthread_create -pthread; then
2705 add_cflags -pthread
2706 add_extralibs -pthread
2707 elif check_func pthread_create -pthreads; then
2708 add_cflags -pthreads
2709 add_extralibs -pthreads
2710 elif check_func pthread_create -lpthreadGC2; then
2711 add_extralibs -lpthreadGC2
2712 elif ! check_lib pthread.h pthread_create -lpthread; then
2713 disable pthreads
2714 fi
2715 fi
2716
2717 for thread in $THREADS_LIST; do
2718 if enabled $thread; then
2719 test -n "$thread_type" &&
2720 die "ERROR: Only one thread type must be selected." ||
2721 thread_type="$thread"
2722 fi
2723 done
2724
2725 check_lib math.h sin -lm
2726 disabled vaapi || check_lib va/va.h vaInitialize -lva
2727
2728 check_mathfunc exp2
2729 check_mathfunc exp2f
2730 check_mathfunc llrint
2731 check_mathfunc llrintf
2732 check_mathfunc log2
2733 check_mathfunc log2f
2734 check_mathfunc lrint
2735 check_mathfunc lrintf
2736 check_mathfunc round
2737 check_mathfunc roundf
2738 check_mathfunc truncf
2739
2740 # these are off by default, so fail if requested and not available
2741 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2742 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2743 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2744 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2745 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2746 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2747 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2748 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2749 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2750 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2751 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2752 enabled libopencv && { check_lib opencv/cv.h cvCreateImageHeader $(pkg-config --libs opencv) ||
2753 die "ERROR: libopencv not found"; }
2754 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2755 enabled librtmp && { check_lib librtmp/rtmp.h RTMP_Socket $(pkg-config --libs librtmp) ||
2756 die "ERROR: librtmp not found or RTMP_Socket() missing, librtmp version must be >= 2.2.f"; }
2757 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2758 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2759 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2760 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2761 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2762 enabled libvpx && {
2763 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2764 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2765 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2766 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2767 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2768 { check_cpp_condition x264.h "X264_BUILD >= 98" ||
2769 die "ERROR: libx264 version must be >= 0.98."; }
2770 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2771 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2772 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2773
2774 # libdc1394 check
2775 if enabled libdc1394; then
2776 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2777 enable libdc1394_2; } ||
2778 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2779 enable libdc1394_1; } ||
2780 die "ERROR: No version of libdc1394 found "
2781 fi
2782
2783 SDL_CONFIG="${cross_prefix}sdl-config"
2784 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2785 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2786 sdl_libs=$("${SDL_CONFIG}" --libs)
2787 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2788 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2789 enable sdl &&
2790 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2791 fi
2792
2793 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2794
2795 if enabled network; then
2796 check_type "sys/types.h sys/socket.h" socklen_t
2797 check_type netdb.h "struct addrinfo"
2798 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2799 check_type netinet/in.h "struct sockaddr_in6"
2800 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2801 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2802 # Prefer arpa/inet.h over winsock2
2803 if check_header arpa/inet.h ; then
2804 check_func closesocket
2805 elif check_header winsock2.h ; then
2806 check_func_headers winsock2.h closesocket -lws2 && \
2807 network_extralibs="-lws2" || \
2808 { check_func_headers winsock2.h closesocket -lws2_32 && \
2809 network_extralibs="-lws2_32"; }
2810 check_type ws2tcpip.h socklen_t
2811 check_type ws2tcpip.h "struct addrinfo"
2812 check_type ws2tcpip.h "struct ipv6_mreq"
2813 check_type ws2tcpip.h "struct sockaddr_in6"
2814 check_type ws2tcpip.h "struct sockaddr_storage"
2815 check_struct winsock2.h "struct sockaddr" sa_len
2816 else
2817 disable network
2818 fi
2819 fi
2820
2821 check_header linux/videodev.h
2822 check_header linux/videodev2.h
2823 check_header sys/videoio.h
2824
2825 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2826 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2827 # w32api 3.12 had it defined wrong
2828 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2829
2830 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2831 { check_header dev/bktr/ioctl_meteor.h &&
2832 check_header dev/bktr/ioctl_bt848.h; } ||
2833 { check_header machine/ioctl_meteor.h &&
2834 check_header machine/ioctl_bt848.h; } ||
2835 { check_header dev/video/meteor/ioctl_meteor.h &&
2836 check_header dev/video/bktr/ioctl_bt848.h; } ||
2837 check_header dev/ic/bt8xx.h
2838
2839 check_header sys/soundcard.h
2840 check_header soundcard.h
2841
2842 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2843
2844 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2845
2846 enabled x11grab &&
2847 check_header X11/Xlib.h &&
2848 check_header X11/extensions/XShm.h &&
2849 check_header X11/extensions/Xfixes.h &&
2850 check_func XOpenDisplay -lX11 &&
2851 check_func XShmCreateImage -lX11 -lXext &&
2852 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2853
2854 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2855 check_cpp_condition \
2856 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2857 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2858 disable vdpau; }
2859 fi
2860
2861 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2862
2863 # add some useful compiler flags if supported
2864 check_cflags -Wdeclaration-after-statement
2865 check_cflags -Wall
2866 check_cflags -Wno-parentheses
2867 check_cflags -Wno-switch
2868 check_cflags -Wdisabled-optimization
2869 check_cflags -Wpointer-arith
2870 check_cflags -Wredundant-decls
2871 check_cflags -Wno-pointer-sign
2872 check_cflags -Wcast-qual
2873 check_cflags -Wwrite-strings
2874 check_cflags -Wtype-limits
2875 check_cflags -Wundef
2876 check_cflags -Wmissing-prototypes
2877 enabled extra_warnings && check_cflags -Winline
2878
2879 # add some linker flags
2880 check_ldflags -Wl,--warn-common
2881 check_ldflags -Wl,--as-needed
2882 check_ldflags '-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavcore -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
2883 check_ldflags -Wl,-Bsymbolic
2884
2885 echo "X{};" > $TMPV
2886 if test_ldflags -Wl,--version-script,$TMPV; then
2887 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2888 check_cc <<EOF && enable symver_asm_label
2889 void ff_foo(void) __asm__ ("av_foo@VERSION");
2890 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2891 EOF
2892 check_cc <<EOF && enable symver_gnu_asm
2893 __asm__(".symver ff_foo,av_foo@VERSION");
2894 void ff_foo(void) {}
2895 EOF
2896 fi
2897
2898 if enabled small; then
2899 add_cflags $size_cflags
2900 optimizations="small"
2901 elif enabled optimizations; then
2902 add_cflags $speed_cflags
2903 else
2904 add_cflags $noopt_cflags
2905 fi
2906 check_cflags -fno-math-errno
2907 check_cflags -fno-signed-zeros
2908
2909 if enabled icc; then
2910 # Just warnings, no remarks
2911 check_cflags -w1
2912 # -wd: Disable following warnings
2913 # 144, 167, 556: -Wno-pointer-sign
2914 # 10006: ignoring unknown option -fno-signed-zeros
2915 # 10156: ignoring option '-W'; no argument required
2916 check_cflags -wd144,167,556,10006,10156
2917 # 11030: Warning unknown option --as-needed
2918 # 10156: ignoring option '-export'; no argument required
2919 check_ldflags -wd10156,11030
2920 # Allow to compile with optimizations
2921 check_ldflags -march=$cpu
2922 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2923 enable ebp_available
2924 if enabled x86_32; then
2925 test ${icc_version%%.*} -ge 11 && \
2926 check_cflags -falign-stack=maintain-16-byte || \
2927 disable aligned_stack
2928 fi
2929 elif enabled ccc; then
2930 # disable some annoying warnings
2931 add_cflags -msg_disable cvtu32to64
2932 add_cflags -msg_disable embedcomment
2933 add_cflags -msg_disable needconstext
2934 add_cflags -msg_disable nomainieee
2935 add_cflags -msg_disable ptrmismatch1
2936 add_cflags -msg_disable unreachcode
2937 elif enabled gcc; then
2938 check_cflags -fno-tree-vectorize
2939 check_cflags -Werror=implicit-function-declaration
2940 check_cflags -Werror=missing-prototypes
2941 elif enabled llvm_gcc; then
2942 check_cflags -mllvm -stack-alignment=16
2943 elif enabled clang; then
2944 check_cflags -mllvm -stack-alignment=16
2945 check_cflags -Qunused-arguments
2946 elif enabled armcc; then
2947 # 2523: use of inline assembler is deprecated
2948 add_cflags -W${armcc_opt},--diag_suppress=2523
2949 add_cflags -W${armcc_opt},--diag_suppress=1207
2950 elif enabled tms470; then
2951 add_cflags -pds=824 -pds=837
2952 fi
2953
2954 enabled_any $THREADS_LIST && enable threads
2955
2956 check_deps $CONFIG_LIST \
2957 $CONFIG_EXTRA \
2958 $HAVE_LIST \
2959 $DECODER_LIST \
2960 $ENCODER_LIST \
2961 $HWACCEL_LIST \
2962 $PARSER_LIST \
2963 $BSF_LIST \
2964 $DEMUXER_LIST \
2965 $MUXER_LIST \
2966 $FILTER_LIST \
2967 $INDEV_LIST \
2968 $OUTDEV_LIST \
2969 $PROTOCOL_LIST \
2970 $ACODEC_TESTS \
2971 $VCODEC_TESTS \
2972 $LAVF_TESTS \
2973 $LAVFI_TESTS \
2974 $SEEK_TESTS \
2975
2976 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
2977
2978 echo "install prefix $prefix"
2979 echo "source path $source_path"
2980 echo "C compiler $cc"
2981 echo "ARCH $arch ($cpu)"
2982 if test "$build_suffix" != ""; then
2983 echo "build suffix $build_suffix"
2984 fi
2985 if test "$extra_version" != ""; then
2986 echo "version string suffix $extra_version"
2987 fi
2988 echo "big-endian ${bigendian-no}"
2989 echo "runtime cpu detection ${runtime_cpudetect-no}"
2990 if enabled x86; then
2991 echo "yasm ${yasm-no}"
2992 echo "MMX enabled ${mmx-no}"
2993 echo "MMX2 enabled ${mmx2-no}"
2994 echo "3DNow! enabled ${amd3dnow-no}"
2995 echo "3DNow! extended enabled ${amd3dnowext-no}"
2996 echo "SSE enabled ${sse-no}"
2997 echo "SSSE3 enabled ${ssse3-no}"
2998 echo "CMOV enabled ${cmov-no}"
2999 echo "CMOV is fast ${fast_cmov-no}"
3000 echo "EBX available ${ebx_available-no}"
3001 echo "EBP available ${ebp_available-no}"
3002 echo "10 operands supported ${ten_operands-no}"
3003 fi
3004 if enabled arm; then
3005 echo "ARMv5TE enabled ${armv5te-no}"
3006 echo "ARMv6 enabled ${armv6-no}"
3007 echo "ARMv6T2 enabled ${armv6t2-no}"
3008 echo "ARM VFP enabled ${armvfp-no}"
3009 echo "IWMMXT enabled ${iwmmxt-no}"
3010 echo "NEON enabled ${neon-no}"
3011 fi
3012 if enabled mips; then
3013 echo "MMI enabled ${mmi-no}"
3014 fi
3015 if enabled ppc; then
3016 echo "AltiVec enabled ${altivec-no}"
3017 echo "PPC 4xx optimizations ${ppc4xx-no}"
3018 echo "dcbzl available ${dcbzl-no}"
3019 fi
3020 if enabled sparc; then
3021 echo "VIS enabled ${vis-no}"
3022 fi
3023 echo "debug symbols ${debug-no}"
3024 echo "strip symbols ${stripping-no}"
3025 echo "optimizations ${optimizations-no}"
3026 echo "static ${static-no}"
3027 echo "shared ${shared-no}"
3028 echo "postprocessing support ${postproc-no}"
3029 echo "new filter support ${avfilter-no}"
3030 echo "network support ${network-no}"
3031 echo "threading support ${thread_type-no}"
3032 echo "SDL support ${sdl-no}"
3033 echo "Sun medialib support ${mlib-no}"
3034 echo "AVISynth enabled ${avisynth-no}"
3035 echo "frei0r enabled ${frei0r-no}"
3036 echo "libdc1394 support ${libdc1394-no}"
3037 echo "libdirac enabled ${libdirac-no}"
3038 echo "libfaac enabled ${libfaac-no}"
3039 echo "libgsm enabled ${libgsm-no}"
3040 echo "libmp3lame enabled ${libmp3lame-no}"
3041 echo "libnut enabled ${libnut-no}"
3042 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3043 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3044 echo "libopencv support ${libopencv-no}"
3045 echo "libopenjpeg enabled ${libopenjpeg-no}"
3046 echo "librtmp enabled ${librtmp-no}"
3047 echo "libschroedinger enabled ${libschroedinger-no}"
3048 echo "libspeex enabled ${libspeex-no}"
3049 echo "libtheora enabled ${libtheora-no}"
3050 echo "libvorbis enabled ${libvorbis-no}"
3051 echo "libvpx enabled ${libvpx-no}"
3052 echo "libx264 enabled ${libx264-no}"
3053 echo "libxavs enabled ${libxavs-no}"
3054 echo "libxvid enabled ${libxvid-no}"
3055 echo "zlib enabled ${zlib-no}"
3056 echo "bzlib enabled ${bzlib-no}"
3057 echo
3058
3059 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3060 echo "Enabled ${type}s:"
3061 eval list=\$$(toupper $type)_LIST
3062 print_enabled '_*' $list | sort | pr -3 -t
3063 echo
3064 done
3065
3066 license="LGPL version 2.1 or later"
3067 if enabled nonfree; then
3068 license="nonfree and unredistributable"
3069 elif enabled gplv3; then
3070 license="GPL version 3 or later"
3071 elif enabled lgplv3; then
3072 license="LGPL version 3 or later"
3073 elif enabled gpl; then
3074 license="GPL version 2 or later"
3075 fi
3076
3077 echo "License: $license"
3078
3079 echo "Creating config.mak and config.h..."
3080
3081 # build tree in object directory if source path is different from current one
3082 if enabled source_path_used; then
3083 DIRS="
3084 doc
3085 libavcodec
3086 libavcodec/$arch
3087 libavcore
3088 libavdevice
3089 libavfilter
3090 libavfilter/$arch
3091 libavformat
3092 libavutil
3093 libavutil/$arch
3094 libpostproc
3095 libswscale
3096 libswscale/$arch
3097 tests
3098 tools
3099 "
3100 FILES="
3101 Makefile
3102 common.mak
3103 subdir.mak
3104 doc/texi2pod.pl
3105 libavcodec/Makefile
3106 libavcodec/${arch}/Makefile
3107 libavcore/Makefile
3108 libavdevice/Makefile
3109 libavfilter/Makefile
3110 libavfilter/${arch}/Makefile
3111 libavformat/Makefile
3112 libavutil/Makefile
3113 libpostproc/Makefile
3114 libswscale/Makefile
3115 "
3116 map 'mkdir -p $v' $DIRS;
3117 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
3118 fi
3119
3120 enabled stripping || strip="echo skipping strip"
3121
3122 config_files="$TMPH config.mak"
3123
3124 cat > config.mak <<EOF
3125 # Automatically generated by configure - do not modify!
3126 ifndef FFMPEG_CONFIG_MAK
3127 FFMPEG_CONFIG_MAK=1
3128 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3129 prefix=$prefix
3130 LIBDIR=\$(DESTDIR)$libdir
3131 SHLIBDIR=\$(DESTDIR)$shlibdir
3132 INCDIR=\$(DESTDIR)$incdir
3133 BINDIR=\$(DESTDIR)$bindir
3134 DATADIR=\$(DESTDIR)$datadir
3135 MANDIR=\$(DESTDIR)$mandir
3136 SRC_PATH="$source_path"
3137 SRC_PATH_BARE=$source_path
3138 BUILD_ROOT="$PWD"
3139 CC_IDENT=$cc_ident
3140 ARCH=$arch
3141 CC=$cc
3142 AS=$as
3143 LD=$ld
3144 DEPCC=$dep_cc
3145 YASM=$yasmexe
3146 YASMDEP=$yasmexe
3147 AR=$ar
3148 RANLIB=$ranlib
3149 CP=cp -p
3150 LN_S=$ln_s
3151 STRIP=$strip
3152 CPPFLAGS=$CPPFLAGS
3153 CFLAGS=$CFLAGS
3154 ASFLAGS=$ASFLAGS
3155 CC_O=$CC_O
3156 LDFLAGS=$LDFLAGS
3157 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3158 SHFLAGS=$SHFLAGS
3159 YASMFLAGS=$YASMFLAGS
3160 BUILDSUF=$build_suffix
3161 FULLNAME=$FULLNAME
3162 LIBPREF=$LIBPREF
3163 LIBSUF=$LIBSUF
3164 LIBNAME=$LIBNAME
3165 SLIBPREF=$SLIBPREF
3166 SLIBSUF=$SLIBSUF
3167 EXESUF=$EXESUF
3168 EXTRA_VERSION=$extra_version
3169 DEPFLAGS=$DEPFLAGS
3170 CCDEP=$CCDEP
3171 ASDEP=$ASDEP
3172 CC_DEPFLAGS=$CC_DEPFLAGS
3173 AS_DEPFLAGS=$AS_DEPFLAGS
3174 HOSTCC=$host_cc
3175 HOSTCFLAGS=$host_cflags
3176 HOSTEXESUF=$HOSTEXESUF
3177 HOSTLDFLAGS=$host_ldflags
3178 HOSTLIBS=$host_libs
3179 TARGET_EXEC=$target_exec
3180 TARGET_PATH=$target_path
3181 SDL_LIBS=$sdl_libs
3182 SDL_CFLAGS=$sdl_cflags
3183 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3184 EXTRALIBS=$extralibs
3185 INSTALL=install
3186 LIBTARGET=${LIBTARGET}
3187 SLIBNAME=${SLIBNAME}
3188 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3189 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3190 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3191 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3192 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3193 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3194 SAMPLES=$samples
3195 EOF
3196
3197 get_version(){
3198 name=$1
3199 file=$source_path/$2
3200 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3201 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3202 lcname=$(tolower $name)
3203 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3204 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3205 }
3206
3207 get_version LIBSWSCALE libswscale/swscale.h
3208 get_version LIBPOSTPROC libpostproc/postprocess.h
3209 get_version LIBAVCODEC libavcodec/avcodec.h
3210 get_version LIBAVCORE libavcore/avcore.h
3211 get_version LIBAVDEVICE libavdevice/avdevice.h
3212 get_version LIBAVFORMAT libavformat/avformat.h
3213 get_version LIBAVUTIL libavutil/avutil.h
3214 get_version LIBAVFILTER libavfilter/avfilter.h
3215
3216 cat > $TMPH <<EOF
3217 /* Automatically generated by configure - do not modify! */
3218 #ifndef FFMPEG_CONFIG_H
3219 #define FFMPEG_CONFIG_H
3220 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3221 #define FFMPEG_LICENSE "$(c_escape $license)"
3222 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3223 #define CC_TYPE "$cc_type"
3224 #define CC_VERSION $cc_version
3225 #define restrict $_restrict
3226 #define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
3227 #define EXTERN_PREFIX "${extern_prefix}"
3228 #define EXTERN_ASM ${extern_prefix}
3229 #define SLIBSUF "$SLIBSUF"
3230 EOF
3231
3232 test -n "$malloc_prefix" &&
3233 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3234
3235 if enabled small || disabled optimizations; then
3236 echo "#undef av_always_inline" >> $TMPH
3237 echo "#define av_always_inline" >> $TMPH
3238 fi
3239
3240 if enabled yasm; then
3241 append config_files $TMPASM
3242 printf '' >$TMPASM
3243 fi
3244
3245 print_config ARCH_ "$config_files" $ARCH_LIST
3246 print_config HAVE_ "$config_files" $HAVE_LIST
3247 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3248 $CONFIG_EXTRA \
3249 $DECODER_LIST \
3250 $ENCODER_LIST \
3251 $HWACCEL_LIST \
3252 $PARSER_LIST \
3253 $BSF_LIST \
3254 $DEMUXER_LIST \
3255 $MUXER_LIST \
3256 $FILTER_LIST \
3257 $PROTOCOL_LIST \
3258 $INDEV_LIST \
3259 $OUTDEV_LIST \
3260
3261 cat >>config.mak <<EOF
3262 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3263 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3264 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3265 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3266 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3267 EOF
3268
3269 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3270 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3271
3272 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3273 cp_if_changed $TMPH config.h
3274 touch .config
3275
3276 enabled yasm && cp_if_changed $TMPASM config.asm
3277
3278 cat > $TMPH <<EOF
3279 /* Generated by ffconf */
3280 #ifndef AVUTIL_AVCONFIG_H
3281 #define AVUTIL_AVCONFIG_H
3282 EOF
3283
3284 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3285
3286 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3287
3288 cp_if_changed $TMPH libavutil/avconfig.h
3289
3290 test -n "$WARNINGS" && printf "\n$WARNINGS"
3291
3292 # build pkg-config files
3293
3294 pkgconfig_generate(){
3295 name=$1
3296 shortname=${name#lib}${build_suffix}
3297 comment=$2
3298 version=$3
3299 libs=$4
3300 requires=$5
3301 enabled ${name#lib} || return 0
3302 cat <<EOF > $name/$name.pc
3303 prefix=$prefix
3304 exec_prefix=\${prefix}
3305 libdir=$libdir
3306 includedir=$incdir
3307
3308 Name: $name
3309 Description: $comment
3310 Version: $version
3311 Requires: $(enabled shared || echo $requires)
3312 Requires.private: $(enabled shared && echo $requires)
3313 Conflicts:
3314 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3315 Libs.private: $(enabled shared && echo $libs)
3316 Cflags: -I\${includedir}
3317 EOF
3318 cat <<EOF > $name/$name-uninstalled.pc
3319 prefix=
3320 exec_prefix=
3321 libdir=\${pcfiledir}
3322 includedir=${source_path}
3323
3324 Name: $name
3325 Description: $comment
3326 Version: $version
3327 Requires: $requires
3328 Conflicts:
3329 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3330 Cflags: -I\${includedir}
3331 EOF
3332 }
3333
3334 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3335 pkgconfig_generate libavcore "FFmpeg multimedia shared core utilities library" "$LIBAVCORE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3336 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3337 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3338 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3339 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3340 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3341 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"