610041944f23c5c6f70bc3d5639c2049bab82ddc
[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 [$arch]
216 --cpu=CPU select the minimum required CPU (affects
217 instruction selection, may crash on older CPUs)
218 --disable-asm disable all assembler optimizations
219 --disable-altivec disable AltiVec optimizations
220 --disable-amd3dnow disable 3DNow! optimizations
221 --disable-amd3dnowext disable 3DNow! extended optimizations
222 --disable-mmx disable MMX optimizations
223 --disable-mmx2 disable MMX2 optimizations
224 --disable-sse disable SSE optimizations
225 --disable-ssse3 disable SSSE3 optimizations
226 --disable-armv5te disable armv5te optimizations
227 --disable-armv6 disable armv6 optimizations
228 --disable-armv6t2 disable armv6t2 optimizations
229 --disable-armvfp disable ARM VFP optimizations
230 --disable-iwmmxt disable iwmmxt optimizations
231 --disable-mmi disable MMI optimizations
232 --disable-neon disable neon optimizations
233 --disable-vis disable VIS optimizations
234 --disable-yasm disable use of yasm assembler
235 --enable-pic build position-independent code
236 --malloc-prefix=PFX prefix malloc and related names with PFX
237 --enable-sram allow use of on-chip SRAM
238 --disable-symver disable symbol versioning
239
240 Developer options (useful when working on FFmpeg itself):
241 --disable-debug disable debugging symbols
242 --enable-debug=LEVEL set the debug level [$debuglevel]
243 --disable-optimizations disable compiler optimizations
244 --enable-extra-warnings enable more compiler warnings
245 --disable-stripping disable stripping of executables and shared libraries
246 --samples=PATH location of test samples for FATE
247
248 NOTE: Object files are built at the place where configure is launched.
249 EOF
250 exit 0
251 }
252
253 quotes='""'
254
255 log(){
256 echo "$@" >> $logfile
257 }
258
259 log_file(){
260 log BEGIN $1
261 pr -n -t $1 >> $logfile
262 log END $1
263 }
264
265 echolog(){
266 log "$@"
267 echo "$@"
268 }
269
270 warn(){
271 log "WARNING: $*"
272 WARNINGS="${WARNINGS}WARNING: $*\n"
273 }
274
275 die(){
276 echolog "$@"
277 cat <<EOF
278
279 If you think configure made a mistake, make sure you are using the latest
280 version from Git. If the latest version fails, report the problem to the
281 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
282 EOF
283 if disabled logging; then
284 cat <<EOF
285 Rerun configure with logging enabled (do not use --disable-logging), and
286 include the log this produces with your report.
287 EOF
288 else
289 cat <<EOF
290 Include the log file "$logfile" produced by configure as this will help
291 solving the problem.
292 EOF
293 fi
294 exit 1
295 }
296
297 # Avoid locale weirdness, besides we really just want to translate ASCII.
298 toupper(){
299 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
300 }
301
302 tolower(){
303 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
304 }
305
306 c_escape(){
307 echo "$*" | sed 's/["\\]/\\\0/g'
308 }
309
310 sh_quote(){
311 v=$(echo "$1" | sed "s/'/'\\\\''/g")
312 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
313 echo "$v"
314 }
315
316 filter(){
317 pat=$1
318 shift
319 for v; do
320 eval "case $v in $pat) echo $v ;; esac"
321 done
322 }
323
324 map(){
325 m=$1
326 shift
327 for v; do eval $m; done
328 }
329
330 set_all(){
331 value=$1
332 shift
333 for var in $*; do
334 eval $var=$value
335 done
336 }
337
338 set_weak(){
339 value=$1
340 shift
341 for var; do
342 eval : \${$var:=$value}
343 done
344 }
345
346 pushvar(){
347 for var in $*; do
348 eval level=\${${var}_level:=0}
349 eval ${var}_${level}="\$$var"
350 eval ${var}_level=$(($level+1))
351 done
352 }
353
354 popvar(){
355 for var in $*; do
356 eval level=\${${var}_level:-0}
357 test $level = 0 && continue
358 eval level=$(($level-1))
359 eval $var="\${${var}_${level}}"
360 eval ${var}_level=$level
361 eval unset ${var}_${level}
362 done
363 }
364
365 enable(){
366 set_all yes $*
367 }
368
369 disable(){
370 set_all no $*
371 }
372
373 enable_weak(){
374 set_weak yes $*
375 }
376
377 disable_weak(){
378 set_weak no $*
379 }
380
381 enable_safe(){
382 for var; do
383 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
384 done
385 }
386
387 disable_safe(){
388 for var; do
389 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
390 done
391 }
392
393 do_enable_deep(){
394 for var; do
395 enabled $var && continue
396 eval sel="\$${var}_select"
397 eval sgs="\$${var}_suggest"
398 pushvar var sgs
399 enable_deep $sel
400 popvar sgs
401 enable_deep_weak $sgs
402 popvar var
403 done
404 }
405
406 enable_deep(){
407 do_enable_deep $*
408 enable $*
409 }
410
411 enable_deep_weak(){
412 do_enable_deep $*
413 enable_weak $*
414 }
415
416 enabled(){
417 test "${1#!}" = "$1" && op== || op=!=
418 eval test "x\$${1#!}" $op "xyes"
419 }
420
421 disabled(){
422 test "${1#!}" = "$1" && op== || op=!=
423 eval test "x\$${1#!}" $op "xno"
424 }
425
426 enabled_all(){
427 for opt; do
428 enabled $opt || return 1
429 done
430 }
431
432 disabled_all(){
433 for opt; do
434 disabled $opt || return 1
435 done
436 }
437
438 enabled_any(){
439 for opt; do
440 enabled $opt && return 0
441 done
442 }
443
444 disabled_any(){
445 for opt; do
446 disabled $opt && return 0
447 done
448 return 1
449 }
450
451 set_default(){
452 for opt; do
453 eval : \${$opt:=\$${opt}_default}
454 done
455 }
456
457 is_in(){
458 value=$1
459 shift
460 for var in $*; do
461 [ $var = $value ] && return 0
462 done
463 return 1
464 }
465
466 check_deps(){
467 for cfg; do
468 cfg="${cfg#!}"
469 enabled ${cfg}_checking && die "Circular dependency for $cfg."
470 disabled ${cfg}_checking && continue
471 enable ${cfg}_checking
472
473 eval dep_all="\$${cfg}_deps"
474 eval dep_any="\$${cfg}_deps_any"
475 eval dep_sel="\$${cfg}_select"
476 eval dep_sgs="\$${cfg}_suggest"
477 eval dep_ifa="\$${cfg}_if"
478 eval dep_ifn="\$${cfg}_if_any"
479
480 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
481 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
482 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
483
484 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
485 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
486 enabled_all $dep_all || disable $cfg
487 enabled_any $dep_any || disable $cfg
488 disabled_any $dep_sel && disable $cfg
489
490 if enabled $cfg; then
491 eval dep_extralibs="\$${cfg}_extralibs"
492 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
493 enable_deep $dep_sel
494 enable_deep_weak $dep_sgs
495 fi
496
497 disable ${cfg}_checking
498 done
499 }
500
501 print_config_h(){
502 enabled $1 && v=1 || v=0
503 echo "#define $2 $v"
504 }
505
506 print_config_mak(){
507 enabled $1 && v= || v=!
508 echo "$v$2=yes"
509 }
510
511 print_config_asm(){
512 enabled $1 && echo "%define $2"
513 }
514
515 print_config(){
516 pfx=$1
517 files=$2
518 shift 2
519 for cfg; do
520 ucname="$(toupper $cfg)"
521 for f in $files; do
522 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
523 done
524 done
525 }
526
527 print_enabled(){
528 test "$1" = -n && end=" " && shift || end="\n"
529 suf=$1
530 shift
531 for v; do
532 enabled $v && printf "%s$end" ${v%$suf};
533 done
534 }
535
536 append(){
537 var=$1
538 shift
539 eval "$var=\"\$$var $*\""
540 }
541
542 prepend(){
543 var=$1
544 shift
545 eval "$var=\"$* \$$var\""
546 }
547
548 add_cppflags(){
549 append CPPFLAGS $($filter_cppflags "$@")
550 }
551
552 add_cflags(){
553 append CFLAGS $($filter_cflags "$@")
554 }
555
556 add_asflags(){
557 append ASFLAGS $($filter_asflags "$@")
558 }
559
560 add_ldflags(){
561 append LDFLAGS "$@"
562 }
563
564 add_extralibs(){
565 prepend extralibs "$@"
566 }
567
568 check_cmd(){
569 log "$@"
570 "$@" >> $logfile 2>&1
571 }
572
573 check_cc(){
574 log check_cc "$@"
575 cat > $TMPC
576 log_file $TMPC
577 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
578 }
579
580 check_cpp(){
581 log check_cpp "$@"
582 cat > $TMPC
583 log_file $TMPC
584 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
585 }
586
587 check_as(){
588 log check_as "$@"
589 cat > $TMPC
590 log_file $TMPC
591 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
592 }
593
594 check_asm(){
595 log check_asm "$@"
596 name="$1"
597 code="$2"
598 shift 2
599 disable $name
600 check_as "$@" <<EOF && enable $name
601 void foo(void){ __asm__ volatile($code); }
602 EOF
603 }
604
605 check_yasm(){
606 log check_yasm "$@"
607 echo "$1" > $TMPS
608 log_file $TMPS
609 shift 1
610 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
611 }
612
613 check_ld(){
614 log check_ld "$@"
615 flags=''
616 libs=''
617 for f; do
618 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
619 done
620 check_cc $($filter_cflags $flags) || return
621 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
622 }
623
624 check_cppflags(){
625 log check_cppflags "$@"
626 set -- $($filter_cppflags "$@")
627 check_cc "$@" <<EOF && append CPPFLAGS "$@"
628 int x;
629 EOF
630 }
631
632 check_cflags(){
633 log check_cflags "$@"
634 set -- $($filter_cflags "$@")
635 check_cc "$@" <<EOF && append CFLAGS "$@"
636 int x;
637 EOF
638 }
639
640 test_ldflags(){
641 log test_ldflags "$@"
642 check_ld "$@" <<EOF
643 int main(void){ return 0; }
644 EOF
645 }
646
647 check_ldflags(){
648 log check_ldflags "$@"
649 test_ldflags "$@" && add_ldflags "$@"
650 }
651
652 check_header(){
653 log check_header "$@"
654 header=$1
655 shift
656 disable_safe $header
657 check_cpp "$@" <<EOF && enable_safe $header
658 #include <$header>
659 int x;
660 EOF
661 }
662
663 check_func(){
664 log check_func "$@"
665 func=$1
666 shift
667 disable $func
668 check_ld "$@" <<EOF && enable $func
669 extern int $func();
670 int main(void){ $func(); }
671 EOF
672 }
673
674 check_mathfunc(){
675 log check_mathfunc "$@"
676 func=$1
677 shift
678 disable $func
679 check_ld "$@" <<EOF && enable $func
680 #include <math.h>
681 float foo(float f) { return $func(f); }
682 int main(void){ return 0; }
683 EOF
684 }
685
686 check_func_headers(){
687 log check_func_headers "$@"
688 headers=$1
689 func=$2
690 shift 2
691 disable $func
692 incs=""
693 for hdr in $headers; do
694 incs="$incs
695 #include <$hdr>"
696 done
697 check_ld "$@" <<EOF && enable $func && enable_safe $headers
698 $incs
699 int main(int argc, char **argv){
700 return (long) $func;
701 }
702 EOF
703 }
704
705 check_cpp_condition(){
706 log check_cpp_condition "$@"
707 header=$1
708 condition=$2
709 shift 2
710 check_cpp $($filter_cppflags "$@") <<EOF
711 #include <$header>
712 #if !($condition)
713 #error "unsatisfied condition: $condition"
714 #endif
715 EOF
716 }
717
718 check_lib(){
719 log check_lib "$@"
720 header="$1"
721 func="$2"
722 shift 2
723 check_header $header && check_func $func "$@" && add_extralibs "$@"
724 }
725
726 check_lib2(){
727 log check_lib2 "$@"
728 headers="$1"
729 func="$2"
730 shift 2
731 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
732 }
733
734 check_exec(){
735 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
736 }
737
738 check_exec_crash(){
739 code=$(cat)
740
741 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
742 # are safe but may not be available everywhere. Thus we use
743 # raise(SIGTERM) instead. The check is run in a subshell so we
744 # can redirect the "Terminated" message from the shell. SIGBUS
745 # is not defined by standard C so it is used conditionally.
746
747 (check_exec "$@") >> $logfile 2>&1 <<EOF
748 #include <signal.h>
749 static void sighandler(int sig){
750 raise(SIGTERM);
751 }
752 int main(void){
753 signal(SIGILL, sighandler);
754 signal(SIGFPE, sighandler);
755 signal(SIGSEGV, sighandler);
756 #ifdef SIGBUS
757 signal(SIGBUS, sighandler);
758 #endif
759 { $code }
760 }
761 EOF
762 }
763
764 check_type(){
765 log check_type "$@"
766 headers=$1
767 type=$2
768 shift 2
769 disable_safe "$type"
770 incs=""
771 for hdr in $headers; do
772 incs="$incs
773 #include <$hdr>"
774 done
775 check_cc "$@" <<EOF && enable_safe "$type"
776 $incs
777 $type v;
778 EOF
779 }
780
781 check_struct(){
782 log check_type "$@"
783 headers=$1
784 struct=$2
785 member=$3
786 shift 3
787 disable_safe "${struct}_${member}"
788 incs=""
789 for hdr in $headers; do
790 incs="$incs
791 #include <$hdr>"
792 done
793 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
794 $incs
795 const void *p = &(($struct *)0)->$member;
796 EOF
797 }
798
799 require(){
800 name="$1"
801 header="$2"
802 func="$3"
803 shift 3
804 check_lib $header $func "$@" || die "ERROR: $name not found"
805 }
806
807 require2(){
808 name="$1"
809 headers="$2"
810 func="$3"
811 shift 3
812 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
813 }
814
815 check_host_cc(){
816 log check_host_cc "$@"
817 cat > $TMPC
818 log_file $TMPC
819 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
820 }
821
822 check_host_cflags(){
823 log check_host_cflags "$@"
824 check_host_cc "$@" <<EOF && append host_cflags "$@"
825 int x;
826 EOF
827 }
828
829 apply(){
830 file=$1
831 shift
832 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
833 }
834
835 cp_if_changed(){
836 cmp -s "$1" "$2" &&
837 echo "$2 is unchanged" ||
838 cp -f "$1" "$2"
839 }
840
841 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
842 # system-dependent things.
843
844 COMPONENT_LIST="
845 bsfs
846 decoders
847 demuxers
848 encoders
849 filters
850 hwaccels
851 indevs
852 muxers
853 outdevs
854 parsers
855 protocols
856 "
857
858 CONFIG_LIST="
859 $COMPONENT_LIST
860 aandct
861 avcodec
862 avcore
863 avdevice
864 avfilter
865 avformat
866 avisynth
867 bzlib
868 dct
869 doc
870 dwt
871 dxva2
872 fastdiv
873 ffmpeg
874 ffplay
875 ffprobe
876 ffserver
877 fft
878 frei0r
879 golomb
880 gpl
881 gray
882 h264dsp
883 h264pred
884 hardcoded_tables
885 huffman
886 libdc1394
887 libdirac
888 libfaac
889 libgsm
890 libmp3lame
891 libnut
892 libopencore_amrnb
893 libopencore_amrwb
894 libopencv
895 libopenjpeg
896 librtmp
897 libschroedinger
898 libspeex
899 libtheora
900 libvorbis
901 libvpx
902 libx264
903 libxavs
904 libxvid
905 lpc
906 lsp
907 mdct
908 memalign_hack
909 mlib
910 mpegaudio_hp
911 network
912 nonfree
913 pic
914 postproc
915 rdft
916 rtpdec
917 runtime_cpudetect
918 shared
919 small
920 sram
921 static
922 swscale
923 swscale_alpha
924 vaapi
925 vdpau
926 version3
927 x11grab
928 zlib
929 "
930
931 THREADS_LIST='
932 pthreads
933 w32threads
934 '
935
936 ARCH_LIST='
937 alpha
938 arm
939 avr32
940 avr32_ap
941 avr32_uc
942 bfin
943 ia64
944 m68k
945 mips
946 mips64
947 parisc
948 ppc
949 ppc64
950 s390
951 sh4
952 sparc
953 sparc64
954 tomi
955 x86
956 x86_32
957 x86_64
958 '
959
960 ARCH_EXT_LIST='
961 altivec
962 amd3dnow
963 amd3dnowext
964 armv5te
965 armv6
966 armv6t2
967 armvfp
968 iwmmxt
969 mmi
970 mmx
971 mmx2
972 neon
973 ppc4xx
974 sse
975 ssse3
976 vis
977 '
978
979 HAVE_LIST_PUB='
980 bigendian
981 fast_unaligned
982 '
983
984 HAVE_LIST="
985 $ARCH_EXT_LIST
986 $HAVE_LIST_PUB
987 $THREADS_LIST
988 aligned_stack
989 alsa_asoundlib_h
990 altivec_h
991 arpa_inet_h
992 attribute_may_alias
993 attribute_packed
994 bswap
995 closesocket
996 cmov
997 conio_h
998 dcbzl
999 dev_bktr_ioctl_bt848_h
1000 dev_bktr_ioctl_meteor_h
1001 dev_ic_bt8xx_h
1002 dev_video_meteor_ioctl_meteor_h
1003 dev_video_bktr_ioctl_bt848_h
1004 dlfcn_h
1005 dlopen
1006 dos_paths
1007 ebp_available
1008 ebx_available
1009 exp2
1010 exp2f
1011 fast_64bit
1012 fast_clz
1013 fast_cmov
1014 fcntl
1015 fork
1016 getaddrinfo
1017 gethrtime
1018 GetProcessMemoryInfo
1019 GetProcessTimes
1020 getrusage
1021 gnu_as
1022 struct_rusage_ru_maxrss
1023 ibm_asm
1024 inet_aton
1025 inline_asm
1026 isatty
1027 ldbrx
1028 libdc1394_1
1029 libdc1394_2
1030 llrint
1031 llrintf
1032 local_aligned_16
1033 local_aligned_8
1034 log2
1035 log2f
1036 loongson
1037 lrint
1038 lrintf
1039 lzo1x_999_compress
1040 machine_ioctl_bt848_h
1041 machine_ioctl_meteor_h
1042 malloc_h
1043 MapViewOfFile
1044 memalign
1045 mkstemp
1046 mmap
1047 pld
1048 posix_memalign
1049 round
1050 roundf
1051 sdl
1052 sdl_video_size
1053 setmode
1054 socklen_t
1055 soundcard_h
1056 poll_h
1057 setrlimit
1058 strerror_r
1059 strtok_r
1060 struct_addrinfo
1061 struct_ipv6_mreq
1062 struct_sockaddr_in6
1063 struct_sockaddr_sa_len
1064 struct_sockaddr_storage
1065 symver
1066 symver_gnu_asm
1067 symver_asm_label
1068 sys_mman_h
1069 sys_resource_h
1070 sys_select_h
1071 sys_soundcard_h
1072 sys_videoio_h
1073 ten_operands
1074 termios_h
1075 threads
1076 truncf
1077 vfp_args
1078 VirtualAlloc
1079 winsock2_h
1080 xform_asm
1081 xmm_clobbers
1082 yasm
1083 "
1084
1085 # options emitted with CONFIG_ prefix but not available on command line
1086 CONFIG_EXTRA="
1087 avutil
1088 gplv3
1089 lgplv3
1090 "
1091
1092 CMDLINE_SELECT="
1093 $ARCH_EXT_LIST
1094 $CONFIG_LIST
1095 $THREADS_LIST
1096 asm
1097 cross_compile
1098 debug
1099 extra_warnings
1100 logging
1101 optimizations
1102 stripping
1103 symver
1104 yasm
1105 "
1106
1107 PATHS_LIST='
1108 bindir
1109 datadir
1110 incdir
1111 libdir
1112 mandir
1113 prefix
1114 shlibdir
1115 '
1116
1117 CMDLINE_SET="
1118 $PATHS_LIST
1119 ar
1120 arch
1121 as
1122 build_suffix
1123 cc
1124 cpu
1125 cross_prefix
1126 dep_cc
1127 extra_version
1128 host_cc
1129 host_cflags
1130 host_ldflags
1131 host_libs
1132 host_os
1133 ld
1134 logfile
1135 malloc_prefix
1136 nm
1137 samples
1138 source_path
1139 strip
1140 sysinclude
1141 sysroot
1142 target_exec
1143 target_os
1144 target_path
1145 "
1146
1147 CMDLINE_APPEND="
1148 extra_cflags
1149 "
1150
1151 # code dependency declarations
1152
1153 # architecture extensions
1154
1155 armv5te_deps="arm"
1156 armv6_deps="arm"
1157 armv6t2_deps="arm"
1158 armvfp_deps="arm"
1159 iwmmxt_deps="arm"
1160 neon_deps="arm"
1161
1162 mmi_deps="mips"
1163
1164 altivec_deps="ppc"
1165 ppc4xx_deps="ppc"
1166
1167 vis_deps="sparc"
1168
1169 x86_64_suggest="cmov fast_cmov"
1170 amd3dnow_deps="mmx"
1171 amd3dnowext_deps="amd3dnow"
1172 mmx_deps="x86"
1173 mmx2_deps="mmx"
1174 sse_deps="mmx"
1175 ssse3_deps="sse"
1176
1177 aligned_stack_if_any="ppc x86"
1178 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1179 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1180 fast_unaligned_if_any="armv6 ppc x86"
1181
1182 need_memalign="altivec neon sse"
1183 inline_asm_deps="!tms470"
1184
1185 symver_if_any="symver_asm_label symver_gnu_asm"
1186
1187 # subsystems
1188 dct_select="rdft"
1189 mdct_select="fft"
1190 rdft_select="fft"
1191
1192 # decoders / encoders / hardware accelerators
1193 aac_decoder_select="mdct rdft"
1194 aac_encoder_select="mdct"
1195 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1196 ac3_decoder_select="mdct ac3_parser"
1197 ac3_encoder_select="mdct"
1198 alac_encoder_select="lpc"
1199 amrnb_decoder_select="lsp"
1200 amrwb_decoder_select="lsp"
1201 atrac1_decoder_select="mdct"
1202 atrac3_decoder_select="mdct"
1203 binkaudio_dct_decoder_select="mdct rdft dct"
1204 binkaudio_rdft_decoder_select="mdct rdft"
1205 cavs_decoder_select="golomb"
1206 cook_decoder_select="mdct"
1207 cscd_decoder_suggest="zlib"
1208 dca_decoder_select="mdct"
1209 dnxhd_encoder_select="aandct"
1210 dxa_decoder_select="zlib"
1211 eac3_decoder_select="ac3_decoder"
1212 eamad_decoder_select="aandct"
1213 eatgq_decoder_select="aandct"
1214 eatqi_decoder_select="aandct"
1215 ffv1_decoder_select="golomb"
1216 flac_decoder_select="golomb"
1217 flac_encoder_select="golomb lpc"
1218 flashsv_decoder_select="zlib"
1219 flashsv_encoder_select="zlib"
1220 flv_decoder_select="h263_decoder"
1221 flv_encoder_select="h263_encoder"
1222 fraps_decoder_select="huffman"
1223 h261_encoder_select="aandct"
1224 h263_decoder_select="h263_parser"
1225 h263_encoder_select="aandct"
1226 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1227 h263i_decoder_select="h263_decoder"
1228 h263p_encoder_select="h263_encoder"
1229 h264_decoder_select="golomb h264dsp h264pred"
1230 h264_dxva2_hwaccel_deps="dxva2api_h"
1231 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1232 h264_vaapi_hwaccel_select="vaapi"
1233 h264_vdpau_decoder_select="vdpau h264_decoder"
1234 imc_decoder_select="fft mdct"
1235 jpegls_decoder_select="golomb"
1236 jpegls_encoder_select="golomb"
1237 ljpeg_encoder_select="aandct"
1238 loco_decoder_select="golomb"
1239 mjpeg_encoder_select="aandct"
1240 mlp_decoder_select="mlp_parser"
1241 mp1float_decoder_select="dct"
1242 mp2float_decoder_select="dct"
1243 mp3adufloat_decoder_select="dct"
1244 mp3float_decoder_select="dct"
1245 mp3on4float_decoder_select="dct"
1246 mpeg1video_encoder_select="aandct"
1247 mpeg2video_encoder_select="aandct"
1248 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1249 mpeg4_encoder_select="h263_encoder"
1250 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1251 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1252 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1253 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1254 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1255 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1256 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1257 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1258 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1259 msmpeg4v1_decoder_select="h263_decoder"
1260 msmpeg4v1_encoder_select="h263_encoder"
1261 msmpeg4v2_decoder_select="h263_decoder"
1262 msmpeg4v2_encoder_select="h263_encoder"
1263 msmpeg4v3_decoder_select="h263_decoder"
1264 msmpeg4v3_encoder_select="h263_encoder"
1265 nellymoser_decoder_select="mdct"
1266 nellymoser_encoder_select="mdct"
1267 png_decoder_select="zlib"
1268 png_encoder_select="zlib"
1269 qcelp_decoder_select="lsp"
1270 qdm2_decoder_select="mdct rdft"
1271 ra_144_encoder_select="lpc"
1272 rv10_decoder_select="h263_decoder"
1273 rv10_encoder_select="h263_encoder"
1274 rv20_decoder_select="h263_decoder"
1275 rv20_encoder_select="h263_encoder"
1276 rv30_decoder_select="golomb h264pred"
1277 rv40_decoder_select="golomb h264pred"
1278 shorten_decoder_select="golomb"
1279 sipr_decoder_select="lsp"
1280 snow_decoder_select="dwt"
1281 snow_encoder_select="aandct dwt"
1282 sonic_decoder_select="golomb"
1283 sonic_encoder_select="golomb"
1284 sonic_ls_encoder_select="golomb"
1285 svq1_encoder_select="aandct"
1286 svq3_decoder_select="golomb h264dsp h264pred"
1287 svq3_decoder_suggest="zlib"
1288 theora_decoder_select="vp3_decoder"
1289 tiff_decoder_suggest="zlib"
1290 tiff_encoder_suggest="zlib"
1291 truehd_decoder_select="mlp_decoder"
1292 tscc_decoder_select="zlib"
1293 twinvq_decoder_select="mdct lsp"
1294 vc1_decoder_select="h263_decoder"
1295 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1296 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1297 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1298 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1299 vorbis_decoder_select="mdct"
1300 vorbis_encoder_select="mdct"
1301 vp6_decoder_select="huffman"
1302 vp6a_decoder_select="vp6_decoder"
1303 vp6f_decoder_select="vp6_decoder"
1304 vp8_decoder_select="h264pred"
1305 wmapro_decoder_select="mdct"
1306 wmav1_decoder_select="mdct"
1307 wmav1_encoder_select="mdct"
1308 wmav2_decoder_select="mdct"
1309 wmav2_encoder_select="mdct"
1310 wmavoice_decoder_select="lsp rdft dct mdct"
1311 wmv1_decoder_select="h263_decoder"
1312 wmv1_encoder_select="h263_encoder"
1313 wmv2_decoder_select="h263_decoder"
1314 wmv2_encoder_select="h263_encoder"
1315 wmv3_decoder_select="vc1_decoder"
1316 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1317 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1318 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1319 zlib_decoder_select="zlib"
1320 zlib_encoder_select="zlib"
1321 zmbv_decoder_select="zlib"
1322 zmbv_encoder_select="zlib"
1323
1324 vaapi_deps="va_va_h"
1325 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1326
1327 # parsers
1328 h264_parser_select="golomb h264dsp h264pred"
1329
1330 # external libraries
1331 libdirac_decoder_deps="libdirac !libschroedinger"
1332 libdirac_encoder_deps="libdirac"
1333 libfaac_encoder_deps="libfaac"
1334 libgsm_decoder_deps="libgsm"
1335 libgsm_encoder_deps="libgsm"
1336 libgsm_ms_decoder_deps="libgsm"
1337 libgsm_ms_encoder_deps="libgsm"
1338 libmp3lame_encoder_deps="libmp3lame"
1339 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1340 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1341 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1342 libopenjpeg_decoder_deps="libopenjpeg"
1343 libschroedinger_decoder_deps="libschroedinger"
1344 libschroedinger_encoder_deps="libschroedinger"
1345 libspeex_decoder_deps="libspeex"
1346 libtheora_encoder_deps="libtheora"
1347 libvorbis_encoder_deps="libvorbis"
1348 libvpx_decoder_deps="libvpx"
1349 libvpx_encoder_deps="libvpx"
1350 libx264_encoder_deps="libx264"
1351 libxavs_encoder_deps="libxavs"
1352 libxvid_encoder_deps="libxvid"
1353
1354 # demuxers / muxers
1355 ac3_demuxer_deps="ac3_parser"
1356 asf_stream_muxer_select="asf_muxer"
1357 avisynth_demuxer_deps="avisynth"
1358 dirac_demuxer_deps="dirac_parser"
1359 eac3_demuxer_select="ac3_parser"
1360 flac_demuxer_deps="flac_parser"
1361 ipod_muxer_select="mov_muxer"
1362 libnut_demuxer_deps="libnut"
1363 libnut_muxer_deps="libnut"
1364 matroska_audio_muxer_select="matroska_muxer"
1365 matroska_demuxer_suggest="zlib bzlib"
1366 mov_demuxer_suggest="zlib"
1367 mp3_demuxer_deps="mpegaudio_parser"
1368 mp4_muxer_select="mov_muxer"
1369 mpegtsraw_demuxer_select="mpegts_demuxer"
1370 mxf_d10_muxer_select="mxf_muxer"
1371 ogg_demuxer_select="golomb"
1372 psp_muxer_select="mov_muxer"
1373 rtp_demuxer_select="sdp_demuxer"
1374 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1375 rtsp_demuxer_select="http_protocol rtpdec"
1376 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1377 sap_demuxer_select="sdp_demuxer"
1378 sap_muxer_select="rtp_muxer rtp_protocol"
1379 sdp_demuxer_select="rtpdec"
1380 spdif_muxer_select="aac_parser"
1381 tg2_muxer_select="mov_muxer"
1382 tgp_muxer_select="mov_muxer"
1383 w64_demuxer_deps="wav_demuxer"
1384
1385 # indevs / outdevs
1386 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1387 alsa_outdev_deps="alsa_asoundlib_h"
1388 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1389 dv1394_indev_deps="dv1394 dv_demuxer"
1390 jack_indev_deps="jack_jack_h"
1391 libdc1394_indev_deps="libdc1394"
1392 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1393 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1394 v4l_indev_deps="linux_videodev_h"
1395 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1396 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1397 vfwcap_indev_extralibs="-lavicap32"
1398 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1399 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1400
1401 # protocols
1402 gopher_protocol_deps="network"
1403 http_protocol_deps="network"
1404 http_protocol_select="tcp_protocol"
1405 mmsh_protocol_select="http_protocol"
1406 mmst_protocol_deps="network"
1407 rtmp_protocol_select="tcp_protocol"
1408 rtp_protocol_select="udp_protocol"
1409 tcp_protocol_deps="network"
1410 udp_protocol_deps="network"
1411
1412 # filters
1413 blackframe_filter_deps="gpl"
1414 cropdetect_filter_deps="gpl"
1415 frei0r_filter_deps="frei0r dlopen strtok_r"
1416 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1417 hqdn3d_filter_deps="gpl"
1418 scale_filter_deps="swscale"
1419 ocv_filter_deps="libopencv"
1420 yadif_filter_deps="gpl"
1421
1422 # libraries
1423 avdevice_deps="avcodec avformat"
1424 avformat_deps="avcodec"
1425
1426 # programs
1427 ffmpeg_deps="avcodec avformat swscale"
1428 ffmpeg_select="buffer_filter"
1429 ffplay_deps="avcodec avformat swscale sdl"
1430 ffplay_select="rdft"
1431 ffprobe_deps="avcodec avformat"
1432 ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1433 ffserver_extralibs='$ldl'
1434
1435 doc_deps="texi2html"
1436
1437 # tests
1438
1439 test_deps(){
1440 suf1=$1
1441 suf2=$2
1442 shift 2
1443 for v; do
1444 dep=${v%=*}
1445 tests=${v#*=}
1446 for name in ${tests}; do
1447 eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1448 done
1449 done
1450 }
1451
1452 set_ne_test_deps(){
1453 eval ${1}_be_test_deps="bigendian"
1454 eval ${1}_le_test_deps="!bigendian"
1455 }
1456
1457 test_deps _encoder _decoder \
1458 adpcm_g726=g726 \
1459 adpcm_ima_qt \
1460 adpcm_ima_wav \
1461 adpcm_ms \
1462 adpcm_swf \
1463 adpcm_yamaha=adpcm_yam \
1464 alac \
1465 asv1 \
1466 asv2 \
1467 bmp \
1468 dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1469 dvvideo="dv dv50" \
1470 ffv1 \
1471 flac \
1472 flashsv \
1473 flv \
1474 gif \
1475 h261 \
1476 h263="h263 h263p" \
1477 huffyuv \
1478 jpegls \
1479 mjpeg="jpg mjpeg ljpeg" \
1480 mp2 \
1481 mpeg1video="mpeg mpeg1b" \
1482 mpeg2video="mpeg2 mpeg2thread" \
1483 mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc" \
1484 msmpeg4v3=msmpeg4 \
1485 msmpeg4v2 \
1486 pbm=pbmpipe \
1487 pcx \
1488 pgm="pgm pgmpipe" \
1489 ppm="ppm ppmpipe" \
1490 rawvideo="rgb yuv" \
1491 roq \
1492 rv10 \
1493 rv20 \
1494 sgi \
1495 snow="snow snowll" \
1496 svq1 \
1497 targa=tga \
1498 tiff \
1499 wmav1 \
1500 wmav2 \
1501 wmv1 \
1502 wmv2 \
1503
1504 test_deps _muxer _demuxer \
1505 aiff \
1506 pcm_alaw=alaw \
1507 asf \
1508 au \
1509 avi \
1510 dv=dv_fmt \
1511 ffm \
1512 flv=flv_fmt \
1513 gxf \
1514 matroska=mkv \
1515 mmf \
1516 mov \
1517 pcm_mulaw=mulaw \
1518 mxf \
1519 nut \
1520 ogg \
1521 rawvideo=pixfmt \
1522 rm \
1523 swf \
1524 mpegts=ts \
1525 voc \
1526 wav \
1527 yuv4mpegpipe=yuv4mpeg \
1528
1529 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1530 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1531
1532 set_ne_test_deps pixdesc
1533 set_ne_test_deps pixfmts_copy
1534 set_ne_test_deps pixfmts_crop
1535 set_ne_test_deps pixfmts_hflip
1536 set_ne_test_deps pixfmts_null
1537 set_ne_test_deps pixfmts_pad
1538 set_ne_test_deps pixfmts_scale
1539 set_ne_test_deps pixfmts_vflip
1540
1541 # default parameters
1542
1543 logfile="config.log"
1544
1545 # installation paths
1546 prefix_default="/usr/local"
1547 bindir_default='${prefix}/bin'
1548 datadir_default='${prefix}/share/ffmpeg'
1549 incdir_default='${prefix}/include'
1550 libdir_default='${prefix}/lib'
1551 mandir_default='${prefix}/share/man'
1552 shlibdir_default="$libdir_default"
1553
1554 # toolchain
1555 ar_default="ar"
1556 cc_default="gcc"
1557 cc_version=\"unknown\"
1558 host_cc_default="gcc"
1559 ln_s="ln -sf"
1560 nm_default="nm"
1561 objformat="elf"
1562 ranlib="ranlib"
1563 strip_default="strip"
1564 yasmexe="yasm"
1565 nogas=":"
1566
1567 nm_opts='-g'
1568
1569 # machine
1570 arch_default=$(uname -m)
1571 cpu="generic"
1572
1573 # OS
1574 target_os_default=$(tolower $(uname -s))
1575 host_os=$target_os_default
1576
1577 # configurable options
1578 enable avcodec
1579 enable avcore
1580 enable avdevice
1581 enable avfilter
1582 enable avformat
1583 enable avutil
1584 enable asm
1585 enable debug
1586 enable doc
1587 enable fastdiv
1588 enable ffmpeg
1589 enable ffplay
1590 enable ffprobe
1591 enable ffserver
1592 enable mpegaudio_hp
1593 enable network
1594 enable optimizations
1595 enable protocols
1596 enable static
1597 enable stripping
1598 enable swscale
1599 enable swscale_alpha
1600
1601 # build settings
1602 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1603 FFSERVERLDFLAGS=-Wl,-E
1604 LIBPREF="lib"
1605 LIBSUF=".a"
1606 FULLNAME='$(NAME)$(BUILDSUF)'
1607 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1608 SLIBPREF="lib"
1609 SLIBSUF=".so"
1610 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1611 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1612 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1613 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1614
1615 CC_O='-o $@'
1616
1617 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1618 host_libs='-lm'
1619
1620 target_path='$(CURDIR)'
1621
1622 # since the object filename is not given with the -MM flag, the compiler
1623 # is only able to print the basename, and we must add the path ourselves
1624 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1625 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1626
1627 # find source path
1628 source_path="$(dirname "$0")"
1629 enable source_path_used
1630 if test -f configure; then
1631 source_path="$(pwd)"
1632 disable source_path_used
1633 else
1634 source_path="$(cd "$source_path"; pwd)"
1635 echo "$source_path" | grep -q '[[:blank:]]' &&
1636 die "Out of tree builds are impossible with whitespace in source path."
1637 test -e "$source_path/config.h" &&
1638 die "Out of tree builds are impossible with config.h in source dir."
1639 fi
1640
1641 for v in "$@"; do
1642 r=${v#*=}
1643 l=${v%"$r"}
1644 r=$(sh_quote "$r")
1645 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1646 done
1647
1648 find_things(){
1649 thing=$1
1650 pattern=$2
1651 file=$source_path/$3
1652 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1653 }
1654
1655 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1656 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1657 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1658 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1659 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1660 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1661 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1662 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1663 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1664 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1665 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1666
1667 find_tests(){
1668 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1669 }
1670
1671 ACODEC_TESTS=$(find_tests acodec)
1672 VCODEC_TESTS=$(find_tests vsynth1)
1673 LAVF_TESTS=$(find_tests lavf)
1674 LAVFI_TESTS=$(find_tests lavfi)
1675 SEEK_TESTS=$(find_tests seek seek_)
1676
1677 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1678
1679 for n in $COMPONENT_LIST; do
1680 v=$(toupper ${n%s})_LIST
1681 eval enable \$$v
1682 eval ${n}_if_any="\$$v"
1683 done
1684
1685 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1686
1687 die_unknown(){
1688 echo "Unknown option \"$1\"."
1689 echo "See $0 --help for available options."
1690 exit 1
1691 }
1692
1693 show_list() {
1694 suffix=_$1
1695 shift
1696 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1697 exit 0
1698 }
1699
1700 for opt do
1701 optval="${opt#*=}"
1702 case "$opt" in
1703 --extra-ldflags=*) add_ldflags $optval
1704 ;;
1705 --extra-libs=*) add_extralibs $optval
1706 ;;
1707 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1708 ;;
1709 --enable-debug=*) debuglevel="$optval"
1710 ;;
1711 --disable-everything)
1712 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1713 ;;
1714 --enable-*=*|--disable-*=*)
1715 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1716 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1717 eval list=\$$(toupper $thing)_LIST
1718 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1719 $action $(filter "$name" $list)
1720 ;;
1721 --enable-?*|--disable-?*)
1722 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1723 if is_in $option $COMPONENT_LIST; then
1724 test $action = disable && action=unset
1725 eval $action \$$(toupper ${option%s})_LIST
1726 elif is_in $option $CMDLINE_SELECT; then
1727 $action $option
1728 else
1729 die_unknown $opt
1730 fi
1731 ;;
1732 --list-*)
1733 NAME="${opt#--list-}"
1734 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1735 NAME=${NAME%s}
1736 eval show_list $NAME \$$(toupper $NAME)_LIST
1737 ;;
1738 --help|-h) show_help
1739 ;;
1740 *)
1741 optname="${opt%%=*}"
1742 optname="${optname#--}"
1743 optname=$(echo "$optname" | sed 's/-/_/g')
1744 if is_in $optname $CMDLINE_SET; then
1745 eval $optname='$optval'
1746 elif is_in $optname $CMDLINE_APPEND; then
1747 append $optname "$optval"
1748 else
1749 die_unknown $opt
1750 fi
1751 ;;
1752 esac
1753 done
1754
1755 disabled logging && logfile=/dev/null
1756
1757 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1758 set >> $logfile
1759
1760 test -n "$cross_prefix" && enable cross_compile
1761
1762 if enabled cross_compile; then
1763 test -n "$arch" && test -n "$target_os" ||
1764 die "Must specify target arch and OS when cross-compiling"
1765 fi
1766
1767 set_default arch target_os
1768
1769 ar_default="${cross_prefix}${ar_default}"
1770 cc_default="${cross_prefix}${cc_default}"
1771 nm_default="${cross_prefix}${nm_default}"
1772 ranlib="${cross_prefix}${ranlib}"
1773 strip_default="${cross_prefix}${strip_default}"
1774
1775 sysinclude_default="${sysroot}/usr/include"
1776
1777 set_default cc nm strip sysinclude
1778 enabled cross_compile || host_cc_default=$cc
1779 set_default host_cc
1780
1781 exesuf() {
1782 case $1 in
1783 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1784 esac
1785 }
1786
1787 EXESUF=$(exesuf $target_os)
1788 HOSTEXESUF=$(exesuf $host_os)
1789
1790 # set temporary file name
1791 : ${TMPDIR:=$TEMPDIR}
1792 : ${TMPDIR:=$TMP}
1793 : ${TMPDIR:=/tmp}
1794
1795 if ! check_cmd type mktemp; then
1796 # simple replacement for missing mktemp
1797 # NOT SAFE FOR GENERAL USE
1798 mktemp(){
1799 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1800 }
1801 fi
1802
1803 tmpfile(){
1804 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1805 (set -C; exec > $tmp) 2>/dev/null ||
1806 die "Unable to create temporary file in $TMPDIR."
1807 append TMPFILES $tmp
1808 eval $1=$tmp
1809 }
1810
1811 trap 'rm -f -- $TMPFILES' EXIT
1812 trap exit HUP INT TERM
1813
1814 tmpfile TMPC .c
1815 tmpfile TMPE $EXESUF
1816 tmpfile TMPH .h
1817 tmpfile TMPO .o
1818 tmpfile TMPS .S
1819 tmpfile TMPV .ver
1820 tmpfile TMPSH .sh
1821 tmpfile TMPASM .asm
1822
1823 unset -f mktemp
1824
1825 # make sure we can execute files in $TMPDIR
1826 cat > $TMPSH 2>> $logfile <<EOF
1827 #! /bin/sh
1828 EOF
1829 chmod +x $TMPSH >> $logfile 2>&1
1830 if ! $TMPSH >> $logfile 2>&1; then
1831 cat <<EOF
1832 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1833 variable to another directory and make sure that it is not mounted noexec.
1834 EOF
1835 die "Sanity test failed."
1836 fi
1837
1838 filter_cflags=echo
1839 filter_cppflags=echo
1840 filter_asflags=echo
1841
1842 if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1843 cc_type=llvm_gcc
1844 cc_version=__VERSION__
1845 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1846 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1847 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1848 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1849 speed_cflags='-O3'
1850 size_cflags='-Os'
1851 elif $cc -v 2>&1 | grep -qi ^gcc; then
1852 cc_type=gcc
1853 cc_version=__VERSION__
1854 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1855 cc_ident="gcc $($cc -dumpversion) $gcc_extra_ver"
1856 if ! $cc -dumpversion | grep -q '^2\.'; then
1857 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1858 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1859 fi
1860 speed_cflags='-O3'
1861 size_cflags='-Os'
1862 elif $cc --version 2>/dev/null | grep -q Intel; then
1863 cc_type=icc
1864 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1865 cc_ident=$($cc --version | head -n1)
1866 icc_version=$($cc -dumpversion)
1867 CC_DEPFLAGS='-MMD'
1868 AS_DEPFLAGS='-MMD'
1869 speed_cflags='-O3'
1870 size_cflags='-Os'
1871 noopt_cflags='-O1'
1872 elif $cc -v 2>&1 | grep -q xlc; then
1873 cc_type=xlc
1874 cc_version="AV_STRINGIFY(__IBMC__)"
1875 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1876 speed_cflags='-O5'
1877 size_cflags='-O5 -qcompact'
1878 elif $cc -V 2>/dev/null | grep -q Compaq; then
1879 cc_type=ccc
1880 cc_version="AV_STRINGIFY(__DECC_VER)"
1881 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1882 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1883 debuglevel=3
1884 add_ldflags -Wl,-z,now # calls to libots crash without this
1885 speed_cflags='-fast'
1886 size_cflags='-O1'
1887 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1888 test -d "$sysroot" || die "No valid sysroot specified."
1889 cc_type=armcc
1890 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1891 cc_ident=$($cc --vsn | head -n1)
1892 armcc_conf="$PWD/armcc.conf"
1893 $cc --arm_linux_configure \
1894 --arm_linux_config_file="$armcc_conf" \
1895 --configure_sysroot="$sysroot" \
1896 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1897 die "Error creating armcc configuration file."
1898 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1899 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1900 as_default="${cross_prefix}gcc"
1901 CC_DEPFLAGS='-MMD'
1902 AS_DEPFLAGS='-MMD'
1903 speed_cflags='-O3'
1904 size_cflags='-Os'
1905 elif $cc -version 2>/dev/null | grep -q TMS470; then
1906 cc_type=tms470
1907 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1908 cc_ident=$($cc -version | head -n1 | tr -s ' ')
1909 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1910 CC_O='-fr=$(@D)'
1911 as_default="${cross_prefix}gcc"
1912 ld_default="${cross_prefix}gcc"
1913 TMPO=$(basename $TMPC .c).o
1914 append TMPFILES $TMPO
1915 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1916 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1917 AS_DEPFLAGS='-MMD'
1918 speed_cflags='-O3 -mf=5'
1919 size_cflags='-O3 -mf=2'
1920 filter_cflags=tms470_flags
1921 tms470_flags(){
1922 for flag; do
1923 case $flag in
1924 -march=*|-mcpu=*)
1925 case "${flag#*=}" in
1926 armv7-a|cortex-a*) echo -mv=7a8 ;;
1927 armv7-r|cortex-r*) echo -mv=7r4 ;;
1928 armv7-m|cortex-m*) echo -mv=7m3 ;;
1929 armv6*|arm11*) echo -mv=6 ;;
1930 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1931 echo -mv=5e ;;
1932 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1933 esac
1934 ;;
1935 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1936 -mfpu=vfp) echo --float_support=vfpv2 ;;
1937 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1938 -msoft-float) echo --float_support=vfplib ;;
1939 -O[0-3]|-mf=*) echo $flag ;;
1940 -g) echo -g -mn ;;
1941 -pds=*) echo $flag ;;
1942 esac
1943 done
1944 }
1945 elif $cc -v 2>&1 | grep -q clang; then
1946 cc_type=clang
1947 $cc -dM -E $TMPC | grep -q __clang_version__ &&
1948 cc_version=__clang_version__ || cc_version=__VERSION__
1949 cc_ident=$($cc --version | head -n1)
1950 CC_DEPFLAGS='-MMD'
1951 AS_DEPFLAGS='-MMD'
1952 speed_cflags='-O3'
1953 size_cflags='-Os'
1954 elif $cc -V 2>&1 | grep -q Sun; then
1955 cc_type=suncc
1956 cc_version="AV_STRINGIFY(__SUNPRO_C)"
1957 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
1958 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1959 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1960 speed_cflags='-O5'
1961 size_cflags='-O5 -xspace'
1962 filter_cflags=suncc_flags
1963 suncc_flags(){
1964 for flag; do
1965 case $flag in
1966 -march=*|-mcpu=*)
1967 case "${flag#*=}" in
1968 native) echo -xtarget=native ;;
1969 v9|niagara) echo -xarch=sparc ;;
1970 ultrasparc) echo -xarch=sparcvis ;;
1971 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
1972 i586|pentium) echo -xchip=pentium ;;
1973 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1974 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1975 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1976 pentium4*) echo -xtarget=pentium4 ;;
1977 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1978 *-sse3) echo -xarch=sse3 ;;
1979 core2) echo -xarch=ssse3 -xchip=core2 ;;
1980 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1981 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1982 k8|opteron|athlon64|athlon-fx)
1983 echo -xarch=sse2a ;;
1984 athlon*) echo -xarch=pentium_proa ;;
1985 esac
1986 ;;
1987 -std=c99) echo -xc99 ;;
1988 -fomit-frame-pointer) echo -xregs=frameptr ;;
1989 -fPIC) echo -KPIC -xcode=pic32 ;;
1990 -W*,*) echo $flag ;;
1991 -f*-*|-W*) ;;
1992 *) echo $flag ;;
1993 esac
1994 done
1995 }
1996 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
1997 cc_type=pathscale
1998 cc_version=__PATHSCALE__
1999 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2000 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2001 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2002 speed_cflags='-O2'
2003 size_cflags='-Os'
2004 elif $cc -v 2>&1 | grep -q Open64; then
2005 cc_type=open64
2006 cc_version=__OPEN64__
2007 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2008 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2009 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2010 speed_cflags='-O2'
2011 size_cflags='-Os'
2012 fi
2013
2014 test -n "$cc_type" && enable $cc_type ||
2015 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2016
2017 : ${as_default:=$cc}
2018 : ${dep_cc_default:=$cc}
2019 : ${ld_default:=$cc}
2020 set_default ar as dep_cc ld
2021
2022 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2023 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2024
2025 add_cflags $extra_cflags
2026 add_asflags $extra_cflags
2027
2028 if test -n "$sysroot"; then
2029 case "$cc_type" in
2030 gcc|llvm_gcc)
2031 add_cppflags --sysroot="$sysroot"
2032 add_ldflags --sysroot="$sysroot"
2033 ;;
2034 tms470)
2035 add_cppflags -I"$sysinclude"
2036 add_ldflags --sysroot="$sysroot"
2037 ;;
2038 clang)
2039 add_cppflags -isysroot "$sysroot"
2040 add_ldflags -isysroot "$sysroot"
2041 ;;
2042 esac
2043 fi
2044
2045 if test "$cpu" = host; then
2046 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2047
2048 case "$cc_type" in
2049 gcc|llvm_gcc)
2050 check_native(){
2051 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2052 sed -n "/$1=/{
2053 s/.*$1=\\([^ ]*\\).*/\\1/
2054 p
2055 q
2056 }" $TMPE
2057 }
2058 cpu=$(check_native -march || check_native -mcpu)
2059 ;;
2060 esac
2061
2062 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2063 fi
2064
2065 # Deal with common $arch aliases
2066 case "$arch" in
2067 arm*)
2068 arch="arm"
2069 ;;
2070 mips|mipsel|IP*)
2071 arch="mips"
2072 ;;
2073 mips64*)
2074 arch="mips"
2075 subarch="mips64"
2076 ;;
2077 parisc|hppa)
2078 arch="parisc"
2079 ;;
2080 parisc64|hppa64)
2081 arch="parisc"
2082 subarch="parisc64"
2083 ;;
2084 "Power Macintosh"|ppc|powerpc)
2085 arch="ppc"
2086 ;;
2087 ppc64|powerpc64)
2088 arch="ppc"
2089 subarch="ppc64"
2090 ;;
2091 s390|s390x)
2092 arch="s390"
2093 ;;
2094 sh4|sh)
2095 arch="sh4"
2096 ;;
2097 sun4u|sparc64)
2098 arch="sparc"
2099 subarch="sparc64"
2100 ;;
2101 i[3-6]86|i86pc|BePC|x86_64|amd64)
2102 arch="x86"
2103 ;;
2104 esac
2105
2106 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2107 enable $arch
2108
2109 # Add processor-specific flags
2110 if test "$cpu" = generic; then
2111 : do nothing
2112 elif enabled ppc; then
2113
2114 case $(tolower $cpu) in
2115 601|ppc601|powerpc601)
2116 cpuflags="-mcpu=601"
2117 disable altivec
2118 ;;
2119 603*|ppc603*|powerpc603*)
2120 cpuflags="-mcpu=603"
2121 disable altivec
2122 ;;
2123 604*|ppc604*|powerpc604*)
2124 cpuflags="-mcpu=604"
2125 disable altivec
2126 ;;
2127 g3|75*|ppc75*|powerpc75*)
2128 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2129 disable altivec
2130 ;;
2131 g4|745*|ppc745*|powerpc745*)
2132 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2133 ;;
2134 74*|ppc74*|powerpc74*)
2135 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2136 ;;
2137 g5|970|ppc970|powerpc970|power4*)
2138 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2139 ;;
2140 cell)
2141 cpuflags="-mcpu=cell"
2142 enable ldbrx
2143 ;;
2144 e500v2)
2145 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2146 disable altivec
2147 ;;
2148 e500)
2149 cpuflags="-mcpu=8540 -mhard-float"
2150 disable altivec
2151 ;;
2152 esac
2153
2154 elif enabled x86; then
2155
2156 case $cpu in
2157 i[345]86|pentium)
2158 cpuflags="-march=$cpu"
2159 disable mmx
2160 ;;
2161 # targets that do NOT support conditional mov (cmov)
2162 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2163 cpuflags="-march=$cpu"
2164 disable cmov
2165 ;;
2166 # targets that do support conditional mov (cmov)
2167 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona|atom)
2168 cpuflags="-march=$cpu"
2169 enable cmov
2170 enable fast_cmov
2171 ;;
2172 # targets that do support conditional mov but on which it's slow
2173 pentium4|pentium4m|prescott|nocona)
2174 cpuflags="-march=$cpu"
2175 enable cmov
2176 disable fast_cmov
2177 ;;
2178 esac
2179
2180 elif enabled sparc; then
2181
2182 case $cpu in
2183 niagara)
2184 cpuflags="-mcpu=$cpu"
2185 disable vis
2186 ;;
2187 sparc64)
2188 cpuflags="-mcpu=v9"
2189 ;;
2190 esac
2191
2192 elif enabled arm; then
2193
2194 case $cpu in
2195 armv*)
2196 cpuflags="-march=$cpu"
2197 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2198 ;;
2199 *)
2200 cpuflags="-mcpu=$cpu"
2201 case $cpu in
2202 cortex-a*) subarch=armv7a ;;
2203 cortex-r*) subarch=armv7r ;;
2204 cortex-m*) subarch=armv7m ;;
2205 arm11*) subarch=armv6 ;;
2206 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2207 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2208 esac
2209 ;;
2210 esac
2211
2212 elif enabled alpha; then
2213
2214 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2215
2216 elif enabled bfin; then
2217
2218 cpuflags="-mcpu=$cpu"
2219
2220 elif enabled mips; then
2221
2222 cpuflags="-march=$cpu"
2223
2224 elif enabled avr32; then
2225
2226 case $cpu in
2227 ap7[02]0[0-2])
2228 subarch="avr32_ap"
2229 cpuflags="-mpart=$cpu"
2230 ;;
2231 ap)
2232 subarch="avr32_ap"
2233 cpuflags="-march=$cpu"
2234 ;;
2235 uc3[ab]*)
2236 subarch="avr32_uc"
2237 cpuflags="-mcpu=$cpu"
2238 ;;
2239 uc)
2240 subarch="avr32_uc"
2241 cpuflags="-march=$cpu"
2242 ;;
2243 esac
2244
2245 fi
2246
2247 add_cflags $cpuflags
2248 add_asflags $cpuflags
2249
2250 # compiler sanity check
2251 check_exec <<EOF
2252 int main(void){ return 0; }
2253 EOF
2254 if test "$?" != 0; then
2255 echo "$cc is unable to create an executable file."
2256 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2257 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2258 echo "Only do this if you know what cross compiling means."
2259 fi
2260 die "C compiler test failed."
2261 fi
2262
2263 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2264 check_cflags -std=c99
2265 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2266 #include <stdlib.h>
2267 EOF
2268 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2269 #include <stdlib.h>
2270 EOF
2271
2272 check_host_cflags -std=c99
2273
2274 case "$arch" in
2275 alpha|ia64|mips|parisc|sparc)
2276 spic=$shared
2277 ;;
2278 x86)
2279 subarch="x86_32"
2280 check_cc <<EOF && subarch="x86_64"
2281 int test[(int)sizeof(char*) - 7];
2282 EOF
2283 if test "$subarch" = "x86_64"; then
2284 spic=$shared
2285 fi
2286 ;;
2287 esac
2288
2289 enable $subarch
2290 enabled spic && enable pic
2291
2292 # OS specific
2293 case $target_os in
2294 haiku)
2295 prefix_default="/boot/common"
2296 network_extralibs="-lnetwork"
2297 ;;
2298 sunos)
2299 FFSERVERLDFLAGS=""
2300 SHFLAGS='-shared -Wl,-h,$$(@F)'
2301 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2302 network_extralibs="-lsocket -lnsl"
2303 add_cppflags -D__EXTENSIONS__
2304 nm_opts='-P -g'
2305 ;;
2306 netbsd)
2307 oss_indev_extralibs="-lossaudio"
2308 oss_outdev_extralibs="-lossaudio"
2309 add_cppflags -D_XOPEN_SOURCE=600
2310 ;;
2311 openbsd)
2312 enable malloc_aligned
2313 # On OpenBSD 4.5. the compiler does not use PIC unless
2314 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2315 # however the generated executable will not do anything
2316 # (simply quits with exit-code 1, no crash, no output).
2317 # Thus explicitly enable PIC here.
2318 enable pic
2319 SHFLAGS='-shared'
2320 oss_indev_extralibs="-lossaudio"
2321 oss_outdev_extralibs="-lossaudio"
2322 ;;
2323 freebsd|dragonfly)
2324 enable malloc_aligned
2325 ;;
2326 bsd/os)
2327 add_extralibs -lpoll -lgnugetopt
2328 strip="strip -d"
2329 ;;
2330 darwin)
2331 enable malloc_aligned
2332 gas="gas-preprocessor.pl $cc"
2333 enabled ppc && add_asflags -force_cpusubtype_ALL
2334 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2335 strip="${strip} -x"
2336 add_ldflags -Wl,-dynamic,-search_paths_first
2337 SLIBSUF=".dylib"
2338 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2339 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2340 FFSERVERLDFLAGS=-Wl,-bind_at_load
2341 objformat="macho"
2342 enabled x86_64 && objformat="macho64"
2343 enabled_any pic shared ||
2344 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2345 ;;
2346 mingw32*)
2347 if test $target_os = "mingw32ce"; then
2348 disable network
2349 else
2350 target_os=mingw32
2351 fi
2352 LIBTARGET=i386
2353 if enabled x86_64; then
2354 enable malloc_aligned
2355 LIBTARGET=x64
2356 elif enabled arm; then
2357 LIBTARGET=arm
2358 fi
2359 shlibdir_default="$bindir_default"
2360 disable ffserver
2361 SLIBPREF=""
2362 SLIBSUF=".dll"
2363 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2364 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2365 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2366 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2367 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2368 install -d "$(LIBDIR)"; \
2369 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2370 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2371 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'
2372 objformat="win32"
2373 enable dos_paths
2374 check_cflags -fno-common
2375 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2376 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2377 die "ERROR: MinGW runtime version must be >= 3.15."
2378 ;;
2379 cygwin*)
2380 target_os=cygwin
2381 shlibdir_default="$bindir_default"
2382 SLIBPREF="cyg"
2383 SLIBSUF=".dll"
2384 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2385 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2386 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2387 objformat="win32"
2388 enable dos_paths
2389 check_cflags -fno-common
2390 ;;
2391 *-dos|freedos|opendos)
2392 disable ffplay ffserver
2393 disable $INDEV_LIST $OUTDEV_LIST
2394 network_extralibs="-lsocket"
2395 objformat="coff"
2396 enable dos_paths
2397 ;;
2398 linux)
2399 enable dv1394
2400 ;;
2401 irix*)
2402 target_os=irix
2403 ranlib="echo ignoring ranlib"
2404 ;;
2405 os/2*)
2406 strip="lxlite"
2407 ln_s="cp -f"
2408 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2409 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2410 FFSERVERLDFLAGS=""
2411 LIBSUF="_s.a"
2412 SLIBPREF=""
2413 SLIBSUF=".dll"
2414 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2415 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2416 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2417 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2418 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2419 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2420 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2421 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2422 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2423 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2424 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2425 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2426 enable dos_paths
2427 ;;
2428 gnu/kfreebsd)
2429 ;;
2430 gnu)
2431 ;;
2432 none)
2433 ;;
2434 *)
2435 die "Unknown OS '$target_os'."
2436 ;;
2437 esac
2438
2439 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2440
2441 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2442
2443 set_default $PATHS_LIST
2444
2445 # we need to build at least one lib type
2446 if ! enabled_any static shared; then
2447 cat <<EOF
2448 At least one library type must be built.
2449 Specify --enable-static to build the static libraries or --enable-shared to
2450 build the shared libraries as well. To only build the shared libraries specify
2451 --disable-static in addition to --enable-shared.
2452 EOF
2453 exit 1;
2454 fi
2455
2456 disabled static && LIBNAME=""
2457
2458 die_license_disabled() {
2459 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2460 }
2461
2462 die_license_disabled gpl libx264
2463 die_license_disabled gpl libxavs
2464 die_license_disabled gpl libxvid
2465 die_license_disabled gpl postproc
2466 die_license_disabled gpl x11grab
2467
2468 die_license_disabled nonfree libfaac
2469
2470 die_license_disabled version3 libopencore_amrnb
2471 die_license_disabled version3 libopencore_amrwb
2472
2473 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2474
2475 check_deps $ARCH_EXT_LIST
2476
2477 disabled optimizations || check_cflags -fomit-frame-pointer
2478
2479 enable_pic() {
2480 enable pic
2481 add_cppflags -DPIC
2482 add_cflags -fPIC
2483 add_asflags -fPIC
2484 }
2485
2486 enabled pic && enable_pic
2487
2488 check_cc <<EOF || die "Symbol mangling check failed."
2489 int ff_extern;
2490 EOF
2491 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2492 extern_prefix=${sym%%ff_extern*}
2493
2494 check_cc <<EOF && enable inline_asm
2495 void foo(void) { __asm__ volatile ("" ::); }
2496 EOF
2497
2498 _restrict=
2499 for restrict_keyword in restrict __restrict__ __restrict; do
2500 check_cc <<EOF && _restrict=$restrict_keyword && break
2501 void foo(char * $restrict_keyword p);
2502 EOF
2503 done
2504
2505 check_cc <<EOF && enable attribute_packed
2506 struct { int x; } __attribute__((packed)) x;
2507 EOF
2508
2509 check_cc <<EOF && enable attribute_may_alias
2510 union { int x; } __attribute__((may_alias)) x;
2511 EOF
2512
2513 check_cc <<EOF || die "endian test failed"
2514 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2515 EOF
2516 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2517
2518 if enabled alpha; then
2519
2520 check_cflags -mieee
2521
2522 elif enabled arm; then
2523
2524 check_cflags -marm
2525 nogas=die
2526
2527 check_ld <<EOF && enable vfp_args
2528 __asm__ (".eabi_attribute 28, 1");
2529 int main(void) { return 0; }
2530 EOF
2531
2532 # We have to check if pld is a nop and disable it.
2533 check_asm pld '"pld [r0]"'
2534
2535 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2536 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2537 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2538 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2539 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2540 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2541
2542 enabled_all armv6t2 shared !pic && enable_pic
2543
2544 elif enabled mips; then
2545
2546 check_asm loongson '"dmult.g $1, $2, $3"'
2547 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2548
2549 elif enabled ppc; then
2550
2551 enable local_aligned_8 local_aligned_16
2552
2553 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2554 check_asm ibm_asm '"add 0, 0, 0"'
2555 check_asm ppc4xx '"maclhw r10, r11, r12"'
2556 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2557
2558 # AltiVec flags: The FSF version of GCC differs from the Apple version
2559 if enabled altivec; then
2560 nogas=warn
2561 check_cflags -maltivec -mabi=altivec &&
2562 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2563 check_cflags -faltivec
2564
2565 # check if our compiler supports Motorola AltiVec C API
2566 check_cc <<EOF || disable altivec
2567 $inc_altivec_h
2568 int main(void) {
2569 vector signed int v1, v2, v3;
2570 v1 = vec_add(v2,v3);
2571 return 0;
2572 }
2573 EOF
2574
2575 # check if our compiler supports braces for vector declarations
2576 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2577 $inc_altivec_h
2578 int main (void) { (vector int) {1}; return 0; }
2579 EOF
2580 fi
2581
2582 elif enabled sparc; then
2583
2584 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2585 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2586
2587 elif enabled x86; then
2588
2589 enable local_aligned_8 local_aligned_16
2590
2591 # check whether EBP is available on x86
2592 # As 'i' is stored on the stack, this program will crash
2593 # if the base pointer is used to access it because the
2594 # base pointer is cleared in the inline assembly code.
2595 check_exec_crash <<EOF && enable ebp_available
2596 volatile int i=0;
2597 __asm__ volatile (
2598 "xorl %%ebp, %%ebp"
2599 ::: "%ebp");
2600 return i;
2601 EOF
2602
2603 # check whether EBX is available on x86
2604 check_asm ebx_available '""::"b"(0)' &&
2605 check_asm ebx_available '"":::"%ebx"'
2606
2607 # check whether xmm clobbers are supported
2608 check_asm xmm_clobbers '"":::"%xmm0"'
2609
2610 # check whether more than 10 operands are supported
2611 check_cc <<EOF && enable ten_operands
2612 int main(void) {
2613 int x=0;
2614 __asm__ volatile(
2615 ""
2616 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2617 );
2618 return 0;
2619 }
2620 EOF
2621
2622 # check whether binutils is new enough to compile SSSE3/MMX2
2623 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2624 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2625
2626 check_asm bswap '"bswap %%eax" ::: "%eax"'
2627
2628 if ! disabled_any asm mmx yasm; then
2629 if check_cmd $yasmexe --version; then
2630 enabled x86_64 && yasm_extra="-m amd64"
2631 yasm_debug="-g dwarf2"
2632 elif check_cmd nasm -v; then
2633 yasmexe=nasm
2634 yasm_debug="-g -F dwarf"
2635 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2636 fi
2637
2638 YASMFLAGS="-f $objformat $yasm_extra"
2639 enabled pic && append YASMFLAGS "-DPIC"
2640 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2641 case "$objformat" in
2642 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2643 esac
2644
2645 check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2646 die "yasm not found, use --disable-yasm for a crippled build"
2647 fi
2648
2649 case "$cpu" in
2650 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2651 disable fast_clz
2652 ;;
2653 esac
2654
2655 fi
2656
2657 if enabled asm; then
2658 as=${gas:=$as}
2659 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2660 $nogas "GNU assembler not found, install gas-preprocessor"
2661 fi
2662
2663 if check_func dlopen; then
2664 ldl=
2665 elif check_func dlopen -ldl; then
2666 ldl=-ldl
2667 fi
2668
2669 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2670 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2671
2672 check_func fcntl
2673 check_func fork
2674 check_func getaddrinfo $network_extralibs
2675 check_func gethrtime
2676 check_func getrusage
2677 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2678 check_func inet_aton $network_extralibs
2679 check_func isatty
2680 check_func ${malloc_prefix}memalign && enable memalign
2681 check_func mkstemp
2682 check_func mmap
2683 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2684 check_func setrlimit
2685 check_func strerror_r
2686 check_func strtok_r
2687 check_func_headers io.h setmode
2688 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2689 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2690 check_func_headers windows.h GetProcessTimes
2691 check_func_headers windows.h MapViewOfFile
2692 check_func_headers windows.h VirtualAlloc
2693
2694 check_header conio.h
2695 check_header dlfcn.h
2696 check_header dxva2api.h
2697 check_header malloc.h
2698 check_header poll.h
2699 check_header sys/mman.h
2700 check_header sys/resource.h
2701 check_header sys/select.h
2702 check_header termios.h
2703 check_header vdpau/vdpau.h
2704 check_header vdpau/vdpau_x11.h
2705 check_header X11/extensions/XvMClib.h
2706
2707 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2708
2709 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2710 enabled_any $need_memalign ; then
2711 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2712 fi
2713
2714 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2715 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2716
2717 # check for some common methods of building with pthread support
2718 # do this before the optional library checks as some of them require pthreads
2719 if ! disabled pthreads && ! enabled w32threads; then
2720 enable pthreads
2721 if check_func pthread_create; then
2722 :
2723 elif check_func pthread_create -pthread; then
2724 add_cflags -pthread
2725 add_extralibs -pthread
2726 elif check_func pthread_create -pthreads; then
2727 add_cflags -pthreads
2728 add_extralibs -pthreads
2729 elif check_func pthread_create -lpthreadGC2; then
2730 add_extralibs -lpthreadGC2
2731 elif ! check_lib pthread.h pthread_create -lpthread; then
2732 disable pthreads
2733 fi
2734 fi
2735
2736 for thread in $THREADS_LIST; do
2737 if enabled $thread; then
2738 test -n "$thread_type" &&
2739 die "ERROR: Only one thread type must be selected." ||
2740 thread_type="$thread"
2741 fi
2742 done
2743
2744 check_lib math.h sin -lm
2745 disabled vaapi || check_lib va/va.h vaInitialize -lva
2746
2747 check_mathfunc exp2
2748 check_mathfunc exp2f
2749 check_mathfunc llrint
2750 check_mathfunc llrintf
2751 check_mathfunc log2
2752 check_mathfunc log2f
2753 check_mathfunc lrint
2754 check_mathfunc lrintf
2755 check_mathfunc round
2756 check_mathfunc roundf
2757 check_mathfunc truncf
2758
2759 # these are off by default, so fail if requested and not available
2760 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2761 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2762 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2763 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2764 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2765 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2766 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2767 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2768 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2769 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2770 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2771 enabled libopencv && { check_lib opencv/cv.h cvCreateImageHeader $(pkg-config --libs opencv) ||
2772 die "ERROR: libopencv not found"; }
2773 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2774 enabled librtmp && { check_lib librtmp/rtmp.h RTMP_Socket $(pkg-config --libs librtmp) ||
2775 die "ERROR: librtmp not found or RTMP_Socket() missing, librtmp version must be >= 2.2.f"; }
2776 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2777 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2778 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2779 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2780 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2781 enabled libvpx && {
2782 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2783 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2784 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2785 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2786 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2787 { check_cpp_condition x264.h "X264_BUILD >= 99" ||
2788 die "ERROR: libx264 version must be >= 0.99."; }
2789 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2790 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2791 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2792
2793 # libdc1394 check
2794 if enabled libdc1394; then
2795 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2796 enable libdc1394_2; } ||
2797 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2798 enable libdc1394_1; } ||
2799 die "ERROR: No version of libdc1394 found "
2800 fi
2801
2802 SDL_CONFIG="${cross_prefix}sdl-config"
2803 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2804 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2805 sdl_libs=$("${SDL_CONFIG}" --libs)
2806 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2807 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2808 enable sdl &&
2809 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2810 fi
2811
2812 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2813
2814 if enabled network; then
2815 check_type "sys/types.h sys/socket.h" socklen_t
2816 check_type netdb.h "struct addrinfo"
2817 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2818 check_type netinet/in.h "struct sockaddr_in6"
2819 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2820 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2821 # Prefer arpa/inet.h over winsock2
2822 if check_header arpa/inet.h ; then
2823 check_func closesocket
2824 elif check_header winsock2.h ; then
2825 check_func_headers winsock2.h closesocket -lws2 && \
2826 network_extralibs="-lws2" || \
2827 { check_func_headers winsock2.h closesocket -lws2_32 && \
2828 network_extralibs="-lws2_32"; }
2829 check_type ws2tcpip.h socklen_t
2830 check_type ws2tcpip.h "struct addrinfo"
2831 check_type ws2tcpip.h "struct ipv6_mreq"
2832 check_type ws2tcpip.h "struct sockaddr_in6"
2833 check_type ws2tcpip.h "struct sockaddr_storage"
2834 check_struct winsock2.h "struct sockaddr" sa_len
2835 else
2836 disable network
2837 fi
2838 fi
2839
2840 check_header linux/videodev.h
2841 check_header linux/videodev2.h
2842 check_header sys/videoio.h
2843
2844 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2845 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2846 # w32api 3.12 had it defined wrong
2847 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2848
2849 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2850 { check_header dev/bktr/ioctl_meteor.h &&
2851 check_header dev/bktr/ioctl_bt848.h; } ||
2852 { check_header machine/ioctl_meteor.h &&
2853 check_header machine/ioctl_bt848.h; } ||
2854 { check_header dev/video/meteor/ioctl_meteor.h &&
2855 check_header dev/video/bktr/ioctl_bt848.h; } ||
2856 check_header dev/ic/bt8xx.h
2857
2858 check_header sys/soundcard.h
2859 check_header soundcard.h
2860
2861 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2862
2863 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2864
2865 enabled x11grab &&
2866 check_header X11/Xlib.h &&
2867 check_header X11/extensions/XShm.h &&
2868 check_header X11/extensions/Xfixes.h &&
2869 check_func XOpenDisplay -lX11 &&
2870 check_func XShmCreateImage -lX11 -lXext &&
2871 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2872
2873 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2874 check_cpp_condition \
2875 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2876 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2877 disable vdpau; }
2878 fi
2879
2880 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2881
2882 # add some useful compiler flags if supported
2883 check_cflags -Wdeclaration-after-statement
2884 check_cflags -Wall
2885 check_cflags -Wno-parentheses
2886 check_cflags -Wno-switch
2887 check_cflags -Wdisabled-optimization
2888 check_cflags -Wpointer-arith
2889 check_cflags -Wredundant-decls
2890 check_cflags -Wno-pointer-sign
2891 check_cflags -Wcast-qual
2892 check_cflags -Wwrite-strings
2893 check_cflags -Wtype-limits
2894 check_cflags -Wundef
2895 check_cflags -Wmissing-prototypes
2896 enabled extra_warnings && check_cflags -Winline
2897
2898 # add some linker flags
2899 check_ldflags -Wl,--warn-common
2900 check_ldflags -Wl,--as-needed
2901 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'
2902 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
2903
2904 echo "X{};" > $TMPV
2905 if test_ldflags -Wl,--version-script,$TMPV; then
2906 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2907 check_cc <<EOF && enable symver_asm_label
2908 void ff_foo(void) __asm__ ("av_foo@VERSION");
2909 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2910 EOF
2911 check_cc <<EOF && enable symver_gnu_asm
2912 __asm__(".symver ff_foo,av_foo@VERSION");
2913 void ff_foo(void) {}
2914 EOF
2915 fi
2916
2917 if enabled small; then
2918 add_cflags $size_cflags
2919 optimizations="small"
2920 elif enabled optimizations; then
2921 add_cflags $speed_cflags
2922 else
2923 add_cflags $noopt_cflags
2924 fi
2925 check_cflags -fno-math-errno
2926 check_cflags -fno-signed-zeros
2927
2928 if enabled icc; then
2929 # Just warnings, no remarks
2930 check_cflags -w1
2931 # -wd: Disable following warnings
2932 # 144, 167, 556: -Wno-pointer-sign
2933 # 10006: ignoring unknown option -fno-signed-zeros
2934 # 10148: ignoring unknown option -Wno-parentheses
2935 # 10156: ignoring option '-W'; no argument required
2936 check_cflags -wd144,167,556,10006,10148,10156
2937 # 11030: Warning unknown option --as-needed
2938 # 10156: ignoring option '-export'; no argument required
2939 check_ldflags -wd10156,11030
2940 # Allow to compile with optimizations
2941 check_ldflags -march=$cpu
2942 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2943 enable ebp_available
2944 if enabled x86_32; then
2945 test ${icc_version%%.*} -ge 11 && \
2946 check_cflags -falign-stack=maintain-16-byte || \
2947 disable aligned_stack
2948 fi
2949 elif enabled ccc; then
2950 # disable some annoying warnings
2951 add_cflags -msg_disable cvtu32to64
2952 add_cflags -msg_disable embedcomment
2953 add_cflags -msg_disable needconstext
2954 add_cflags -msg_disable nomainieee
2955 add_cflags -msg_disable ptrmismatch1
2956 add_cflags -msg_disable unreachcode
2957 elif enabled gcc; then
2958 check_cflags -fno-tree-vectorize
2959 check_cflags -Werror=implicit-function-declaration
2960 check_cflags -Werror=missing-prototypes
2961 elif enabled llvm_gcc; then
2962 check_cflags -mllvm -stack-alignment=16
2963 elif enabled clang; then
2964 check_cflags -mllvm -stack-alignment=16
2965 check_cflags -Qunused-arguments
2966 elif enabled armcc; then
2967 # 2523: use of inline assembler is deprecated
2968 add_cflags -W${armcc_opt},--diag_suppress=2523
2969 add_cflags -W${armcc_opt},--diag_suppress=1207
2970 elif enabled tms470; then
2971 add_cflags -pds=824 -pds=837
2972 fi
2973
2974 enabled_any $THREADS_LIST && enable threads
2975
2976 check_deps $CONFIG_LIST \
2977 $CONFIG_EXTRA \
2978 $HAVE_LIST \
2979 $DECODER_LIST \
2980 $ENCODER_LIST \
2981 $HWACCEL_LIST \
2982 $PARSER_LIST \
2983 $BSF_LIST \
2984 $DEMUXER_LIST \
2985 $MUXER_LIST \
2986 $FILTER_LIST \
2987 $INDEV_LIST \
2988 $OUTDEV_LIST \
2989 $PROTOCOL_LIST \
2990 $ACODEC_TESTS \
2991 $VCODEC_TESTS \
2992 $LAVF_TESTS \
2993 $LAVFI_TESTS \
2994 $SEEK_TESTS \
2995
2996 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
2997
2998 echo "install prefix $prefix"
2999 echo "source path $source_path"
3000 echo "C compiler $cc"
3001 echo "ARCH $arch ($cpu)"
3002 if test "$build_suffix" != ""; then
3003 echo "build suffix $build_suffix"
3004 fi
3005 if test "$extra_version" != ""; then
3006 echo "version string suffix $extra_version"
3007 fi
3008 echo "big-endian ${bigendian-no}"
3009 echo "runtime cpu detection ${runtime_cpudetect-no}"
3010 if enabled x86; then
3011 echo "yasm ${yasm-no}"
3012 echo "MMX enabled ${mmx-no}"
3013 echo "MMX2 enabled ${mmx2-no}"
3014 echo "3DNow! enabled ${amd3dnow-no}"
3015 echo "3DNow! extended enabled ${amd3dnowext-no}"
3016 echo "SSE enabled ${sse-no}"
3017 echo "SSSE3 enabled ${ssse3-no}"
3018 echo "CMOV enabled ${cmov-no}"
3019 echo "CMOV is fast ${fast_cmov-no}"
3020 echo "EBX available ${ebx_available-no}"
3021 echo "EBP available ${ebp_available-no}"
3022 echo "10 operands supported ${ten_operands-no}"
3023 fi
3024 if enabled arm; then
3025 echo "ARMv5TE enabled ${armv5te-no}"
3026 echo "ARMv6 enabled ${armv6-no}"
3027 echo "ARMv6T2 enabled ${armv6t2-no}"
3028 echo "ARM VFP enabled ${armvfp-no}"
3029 echo "IWMMXT enabled ${iwmmxt-no}"
3030 echo "NEON enabled ${neon-no}"
3031 fi
3032 if enabled mips; then
3033 echo "MMI enabled ${mmi-no}"
3034 fi
3035 if enabled ppc; then
3036 echo "AltiVec enabled ${altivec-no}"
3037 echo "PPC 4xx optimizations ${ppc4xx-no}"
3038 echo "dcbzl available ${dcbzl-no}"
3039 fi
3040 if enabled sparc; then
3041 echo "VIS enabled ${vis-no}"
3042 fi
3043 echo "debug symbols ${debug-no}"
3044 echo "strip symbols ${stripping-no}"
3045 echo "optimizations ${optimizations-no}"
3046 echo "static ${static-no}"
3047 echo "shared ${shared-no}"
3048 echo "postprocessing support ${postproc-no}"
3049 echo "new filter support ${avfilter-no}"
3050 echo "network support ${network-no}"
3051 echo "threading support ${thread_type-no}"
3052 echo "SDL support ${sdl-no}"
3053 echo "Sun medialib support ${mlib-no}"
3054 echo "AVISynth enabled ${avisynth-no}"
3055 echo "frei0r enabled ${frei0r-no}"
3056 echo "libdc1394 support ${libdc1394-no}"
3057 echo "libdirac enabled ${libdirac-no}"
3058 echo "libfaac enabled ${libfaac-no}"
3059 echo "libgsm enabled ${libgsm-no}"
3060 echo "libmp3lame enabled ${libmp3lame-no}"
3061 echo "libnut enabled ${libnut-no}"
3062 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3063 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3064 echo "libopencv support ${libopencv-no}"
3065 echo "libopenjpeg enabled ${libopenjpeg-no}"
3066 echo "librtmp enabled ${librtmp-no}"
3067 echo "libschroedinger enabled ${libschroedinger-no}"
3068 echo "libspeex enabled ${libspeex-no}"
3069 echo "libtheora enabled ${libtheora-no}"
3070 echo "libvorbis enabled ${libvorbis-no}"
3071 echo "libvpx enabled ${libvpx-no}"
3072 echo "libx264 enabled ${libx264-no}"
3073 echo "libxavs enabled ${libxavs-no}"
3074 echo "libxvid enabled ${libxvid-no}"
3075 echo "zlib enabled ${zlib-no}"
3076 echo "bzlib enabled ${bzlib-no}"
3077 echo
3078
3079 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3080 echo "Enabled ${type}s:"
3081 eval list=\$$(toupper $type)_LIST
3082 print_enabled '_*' $list | sort | pr -3 -t
3083 echo
3084 done
3085
3086 license="LGPL version 2.1 or later"
3087 if enabled nonfree; then
3088 license="nonfree and unredistributable"
3089 elif enabled gplv3; then
3090 license="GPL version 3 or later"
3091 elif enabled lgplv3; then
3092 license="LGPL version 3 or later"
3093 elif enabled gpl; then
3094 license="GPL version 2 or later"
3095 fi
3096
3097 echo "License: $license"
3098
3099 echo "Creating config.mak and config.h..."
3100
3101 # build tree in object directory if source path is different from current one
3102 if enabled source_path_used; then
3103 DIRS="
3104 doc
3105 libavcodec
3106 libavcodec/$arch
3107 libavcore
3108 libavdevice
3109 libavfilter
3110 libavfilter/$arch
3111 libavformat
3112 libavutil
3113 libavutil/$arch
3114 libpostproc
3115 libswscale
3116 libswscale/$arch
3117 tests
3118 tools
3119 "
3120 FILES="
3121 Makefile
3122 common.mak
3123 subdir.mak
3124 doc/texi2pod.pl
3125 libavcodec/Makefile
3126 libavcodec/${arch}/Makefile
3127 libavcore/Makefile
3128 libavdevice/Makefile
3129 libavfilter/Makefile
3130 libavfilter/${arch}/Makefile
3131 libavformat/Makefile
3132 libavutil/Makefile
3133 libpostproc/Makefile
3134 libswscale/Makefile
3135 "
3136 map 'mkdir -p $v' $DIRS;
3137 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
3138 fi
3139
3140 enabled stripping || strip="echo skipping strip"
3141
3142 config_files="$TMPH config.mak"
3143
3144 cat > config.mak <<EOF
3145 # Automatically generated by configure - do not modify!
3146 ifndef FFMPEG_CONFIG_MAK
3147 FFMPEG_CONFIG_MAK=1
3148 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3149 prefix=$prefix
3150 LIBDIR=\$(DESTDIR)$libdir
3151 SHLIBDIR=\$(DESTDIR)$shlibdir
3152 INCDIR=\$(DESTDIR)$incdir
3153 BINDIR=\$(DESTDIR)$bindir
3154 DATADIR=\$(DESTDIR)$datadir
3155 MANDIR=\$(DESTDIR)$mandir
3156 SRC_PATH="$source_path"
3157 SRC_PATH_BARE=$source_path
3158 BUILD_ROOT="$PWD"
3159 CC_IDENT=$cc_ident
3160 ARCH=$arch
3161 CC=$cc
3162 AS=$as
3163 LD=$ld
3164 DEPCC=$dep_cc
3165 YASM=$yasmexe
3166 YASMDEP=$yasmexe
3167 AR=$ar
3168 RANLIB=$ranlib
3169 CP=cp -p
3170 LN_S=$ln_s
3171 STRIP=$strip
3172 CPPFLAGS=$CPPFLAGS
3173 CFLAGS=$CFLAGS
3174 ASFLAGS=$ASFLAGS
3175 CC_O=$CC_O
3176 LDFLAGS=$LDFLAGS
3177 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3178 SHFLAGS=$SHFLAGS
3179 YASMFLAGS=$YASMFLAGS
3180 BUILDSUF=$build_suffix
3181 FULLNAME=$FULLNAME
3182 LIBPREF=$LIBPREF
3183 LIBSUF=$LIBSUF
3184 LIBNAME=$LIBNAME
3185 SLIBPREF=$SLIBPREF
3186 SLIBSUF=$SLIBSUF
3187 EXESUF=$EXESUF
3188 EXTRA_VERSION=$extra_version
3189 DEPFLAGS=$DEPFLAGS
3190 CCDEP=$CCDEP
3191 ASDEP=$ASDEP
3192 CC_DEPFLAGS=$CC_DEPFLAGS
3193 AS_DEPFLAGS=$AS_DEPFLAGS
3194 HOSTCC=$host_cc
3195 HOSTCFLAGS=$host_cflags
3196 HOSTEXESUF=$HOSTEXESUF
3197 HOSTLDFLAGS=$host_ldflags
3198 HOSTLIBS=$host_libs
3199 TARGET_EXEC=$target_exec
3200 TARGET_PATH=$target_path
3201 SDL_LIBS=$sdl_libs
3202 SDL_CFLAGS=$sdl_cflags
3203 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3204 EXTRALIBS=$extralibs
3205 INSTALL=install
3206 LIBTARGET=${LIBTARGET}
3207 SLIBNAME=${SLIBNAME}
3208 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3209 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3210 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3211 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3212 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3213 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3214 SAMPLES=$samples
3215 EOF
3216
3217 get_version(){
3218 name=$1
3219 file=$source_path/$2
3220 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3221 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3222 lcname=$(tolower $name)
3223 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3224 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3225 }
3226
3227 get_version LIBSWSCALE libswscale/swscale.h
3228 get_version LIBPOSTPROC libpostproc/postprocess.h
3229 get_version LIBAVCODEC libavcodec/avcodec.h
3230 get_version LIBAVCORE libavcore/avcore.h
3231 get_version LIBAVDEVICE libavdevice/avdevice.h
3232 get_version LIBAVFORMAT libavformat/avformat.h
3233 get_version LIBAVUTIL libavutil/avutil.h
3234 get_version LIBAVFILTER libavfilter/avfilter.h
3235
3236 cat > $TMPH <<EOF
3237 /* Automatically generated by configure - do not modify! */
3238 #ifndef FFMPEG_CONFIG_H
3239 #define FFMPEG_CONFIG_H
3240 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3241 #define FFMPEG_LICENSE "$(c_escape $license)"
3242 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3243 #define CC_TYPE "$cc_type"
3244 #define CC_VERSION $cc_version
3245 #define restrict $_restrict
3246 #define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
3247 #define EXTERN_PREFIX "${extern_prefix}"
3248 #define EXTERN_ASM ${extern_prefix}
3249 #define SLIBSUF "$SLIBSUF"
3250 EOF
3251
3252 test -n "$malloc_prefix" &&
3253 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3254
3255 if enabled small || disabled optimizations; then
3256 echo "#undef av_always_inline" >> $TMPH
3257 if enabled small; then
3258 echo "#define av_always_inline inline" >> $TMPH
3259 else
3260 echo "#define av_always_inline av_unused" >> $TMPH
3261 fi
3262 fi
3263
3264 if enabled yasm; then
3265 append config_files $TMPASM
3266 printf '' >$TMPASM
3267 fi
3268
3269 print_config ARCH_ "$config_files" $ARCH_LIST
3270 print_config HAVE_ "$config_files" $HAVE_LIST
3271 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3272 $CONFIG_EXTRA \
3273 $DECODER_LIST \
3274 $ENCODER_LIST \
3275 $HWACCEL_LIST \
3276 $PARSER_LIST \
3277 $BSF_LIST \
3278 $DEMUXER_LIST \
3279 $MUXER_LIST \
3280 $FILTER_LIST \
3281 $PROTOCOL_LIST \
3282 $INDEV_LIST \
3283 $OUTDEV_LIST \
3284
3285 cat >>config.mak <<EOF
3286 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3287 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3288 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3289 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3290 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3291 EOF
3292
3293 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3294 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3295
3296 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3297 cp_if_changed $TMPH config.h
3298 touch .config
3299
3300 enabled yasm && cp_if_changed $TMPASM config.asm
3301
3302 cat > $TMPH <<EOF
3303 /* Generated by ffconf */
3304 #ifndef AVUTIL_AVCONFIG_H
3305 #define AVUTIL_AVCONFIG_H
3306 EOF
3307
3308 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3309
3310 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3311
3312 cp_if_changed $TMPH libavutil/avconfig.h
3313
3314 test -n "$WARNINGS" && printf "\n$WARNINGS"
3315
3316 # build pkg-config files
3317
3318 pkgconfig_generate(){
3319 name=$1
3320 shortname=${name#lib}${build_suffix}
3321 comment=$2
3322 version=$3
3323 libs=$4
3324 requires=$5
3325 enabled ${name#lib} || return 0
3326 cat <<EOF > $name/$name.pc
3327 prefix=$prefix
3328 exec_prefix=\${prefix}
3329 libdir=$libdir
3330 includedir=$incdir
3331
3332 Name: $name
3333 Description: $comment
3334 Version: $version
3335 Requires: $(enabled shared || echo $requires)
3336 Requires.private: $(enabled shared && echo $requires)
3337 Conflicts:
3338 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3339 Libs.private: $(enabled shared && echo $libs)
3340 Cflags: -I\${includedir}
3341 EOF
3342 cat <<EOF > $name/$name-uninstalled.pc
3343 prefix=
3344 exec_prefix=
3345 libdir=\${pcfiledir}
3346 includedir=${source_path}
3347
3348 Name: $name
3349 Description: $comment
3350 Version: $version
3351 Requires: $requires
3352 Conflicts:
3353 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3354 Cflags: -I\${includedir}
3355 EOF
3356 }
3357
3358 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3359 pkgconfig_generate libavcore "FFmpeg multimedia shared core utilities library" "$LIBAVCORE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3360 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3361 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3362 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3363 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3364 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3365 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"