rtsp: Move the definition of SDP_MAX_SIZE up, use it in the RTSP muxer, too
[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-lpc disable LPC code
108 --disable-mdct disable MDCT code
109 --disable-rdft disable RDFT code
110 --disable-vaapi disable VAAPI code
111 --disable-vdpau disable VDPAU code
112 --disable-dxva2 disable DXVA2 code
113 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
114 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
115 --enable-memalign-hack emulate memalign, interferes with memory debuggers
116 --disable-everything disable all components listed below
117 --disable-encoder=NAME disable encoder NAME
118 --enable-encoder=NAME enable encoder NAME
119 --disable-encoders disable all encoders
120 --disable-decoder=NAME disable decoder NAME
121 --enable-decoder=NAME enable decoder NAME
122 --disable-decoders disable all decoders
123 --disable-hwaccel=NAME disable hwaccel NAME
124 --enable-hwaccel=NAME enable hwaccel NAME
125 --disable-hwaccels disable all hwaccels
126 --disable-muxer=NAME disable muxer NAME
127 --enable-muxer=NAME enable muxer NAME
128 --disable-muxers disable all muxers
129 --disable-demuxer=NAME disable demuxer NAME
130 --enable-demuxer=NAME enable demuxer NAME
131 --disable-demuxers disable all demuxers
132 --enable-parser=NAME enable parser NAME
133 --disable-parser=NAME disable parser NAME
134 --disable-parsers disable all parsers
135 --enable-bsf=NAME enable bitstream filter NAME
136 --disable-bsf=NAME disable bitstream filter NAME
137 --disable-bsfs disable all bitstream filters
138 --enable-protocol=NAME enable protocol NAME
139 --disable-protocol=NAME disable protocol NAME
140 --disable-protocols disable all protocols
141 --disable-indev=NAME disable input device NAME
142 --disable-outdev=NAME disable output device NAME
143 --disable-indevs disable input devices
144 --disable-outdevs disable output devices
145 --disable-devices disable all devices
146 --enable-filter=NAME enable filter NAME
147 --disable-filter=NAME disable filter NAME
148 --disable-filters disable all filters
149 --list-decoders show all available decoders
150 --list-encoders show all available encoders
151 --list-hwaccels show all available hardware accelerators
152 --list-muxers show all available muxers
153 --list-demuxers show all available demuxers
154 --list-parsers show all available parsers
155 --list-protocols show all available protocols
156 --list-bsfs show all available bitstream filters
157 --list-indevs show all available input devices
158 --list-outdevs show all available output devices
159 --list-filters show all available filters
160
161 External library support:
162 --enable-avisynth enable reading of AVISynth script files [no]
163 --enable-bzlib enable bzlib [autodetect]
164 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
165 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
166 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
167 and libraw1394 [no]
168 --enable-libdirac enable Dirac support via libdirac [no]
169 --enable-libfaac enable FAAC support via libfaac [no]
170 --enable-libgsm enable GSM support via libgsm [no]
171 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
172 --enable-libnut enable NUT (de)muxing via libnut,
173 native (de)muxer exists [no]
174 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
175 --enable-librtmp enable RTMP[E] support via librtmp [no]
176 --enable-libschroedinger enable Dirac support via libschroedinger [no]
177 --enable-libspeex enable Speex decoding via libspeex [no]
178 --enable-libtheora enable Theora encoding via libtheora [no]
179 --enable-libvorbis enable Vorbis encoding via libvorbis,
180 native implementation exists [no]
181 --enable-libvpx enable VP8 support via libvpx [no]
182 --enable-libx264 enable H.264 encoding via x264 [no]
183 --enable-libxavs enable AVS encoding via xavs [no]
184 --enable-libxvid enable Xvid encoding via xvidcore,
185 native MPEG-4/Xvid encoder exists [no]
186 --enable-mlib enable Sun medialib [no]
187 --enable-zlib enable zlib [autodetect]
188
189 Advanced options (experts only):
190 --source-path=PATH path to source code [$source_path]
191 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
192 --enable-cross-compile assume a cross-compiler is used
193 --sysroot=PATH root of cross-build tree
194 --sysinclude=PATH location of cross-build system headers
195 --target-os=OS compiler targets OS [$target_os]
196 --target-exec=CMD command to run executables on target
197 --target-path=DIR path to view of build directory on target
198 --nm=NM use nm tool
199 --ar=AR use archive tool AR [$ar_default]
200 --as=AS use assembler AS [$as_default]
201 --cc=CC use C compiler CC [$cc_default]
202 --ld=LD use linker LD
203 --host-cc=HOSTCC use host C compiler HOSTCC
204 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
205 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
206 --host-libs=HLIBS use libs HLIBS when linking for host
207 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
208 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
209 --extra-libs=ELIBS add ELIBS [$ELIBS]
210 --extra-version=STRING version string suffix []
211 --build-suffix=SUFFIX library name suffix []
212 --arch=ARCH select architecture [$arch]
213 --cpu=CPU select the minimum required CPU (affects
214 instruction selection, may crash on older CPUs)
215 --disable-asm disable all assembler optimizations
216 --disable-altivec disable AltiVec optimizations
217 --disable-amd3dnow disable 3DNow! optimizations
218 --disable-amd3dnowext disable 3DNow! extended optimizations
219 --disable-mmx disable MMX optimizations
220 --disable-mmx2 disable MMX2 optimizations
221 --disable-sse disable SSE optimizations
222 --disable-ssse3 disable SSSE3 optimizations
223 --disable-armv5te disable armv5te optimizations
224 --disable-armv6 disable armv6 optimizations
225 --disable-armv6t2 disable armv6t2 optimizations
226 --disable-armvfp disable ARM VFP optimizations
227 --disable-iwmmxt disable iwmmxt optimizations
228 --disable-mmi disable MMI optimizations
229 --disable-neon disable neon optimizations
230 --disable-vis disable VIS optimizations
231 --disable-yasm disable use of yasm assembler
232 --enable-pic build position-independent code
233 --malloc-prefix=PFX prefix malloc and related names with PFX
234 --enable-sram allow use of on-chip SRAM
235
236 Developer options (useful when working on FFmpeg itself):
237 --disable-debug disable debugging symbols
238 --enable-debug=LEVEL set the debug level [$debuglevel]
239 --disable-optimizations disable compiler optimizations
240 --enable-extra-warnings enable more compiler warnings
241 --disable-stripping disable stripping of executables and shared libraries
242 --samples=PATH location of test samples for FATE
243
244 NOTE: Object files are built at the place where configure is launched.
245 EOF
246 exit 0
247 }
248
249 quotes='""'
250
251 log(){
252 echo "$@" >> $logfile
253 }
254
255 log_file(){
256 log BEGIN $1
257 pr -n -t $1 >> $logfile
258 log END $1
259 }
260
261 echolog(){
262 log "$@"
263 echo "$@"
264 }
265
266 warn(){
267 log "WARNING: $*"
268 WARNINGS="${WARNINGS}WARNING: $*\n"
269 }
270
271 die(){
272 echolog "$@"
273 cat <<EOF
274
275 If you think configure made a mistake, make sure you are using the latest
276 version from SVN. If the latest version fails, report the problem to the
277 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
278 EOF
279 if disabled logging; then
280 cat <<EOF
281 Rerun configure with logging enabled (do not use --disable-logging), and
282 include the log this produces with your report.
283 EOF
284 else
285 cat <<EOF
286 Include the log file "$logfile" produced by configure as this will help
287 solving the problem.
288 EOF
289 fi
290 exit 1
291 }
292
293 # Avoid locale weirdness, besides we really just want to translate ASCII.
294 toupper(){
295 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
296 }
297
298 tolower(){
299 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
300 }
301
302 c_escape(){
303 echo "$*" | sed 's/["\\]/\\\0/g'
304 }
305
306 sh_quote(){
307 v=$(echo "$1" | sed "s/'/'\\\\''/g")
308 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
309 echo "$v"
310 }
311
312 filter(){
313 pat=$1
314 shift
315 for v; do
316 eval "case $v in $pat) echo $v ;; esac"
317 done
318 }
319
320 map(){
321 m=$1
322 shift
323 for v; do eval $m; done
324 }
325
326 set_all(){
327 value=$1
328 shift
329 for var in $*; do
330 eval $var=$value
331 done
332 }
333
334 set_weak(){
335 value=$1
336 shift
337 for var; do
338 eval : \${$var:=$value}
339 done
340 }
341
342 pushvar(){
343 for var in $*; do
344 eval level=\${${var}_level:=0}
345 eval ${var}_${level}="\$$var"
346 eval ${var}_level=$(($level+1))
347 done
348 }
349
350 popvar(){
351 for var in $*; do
352 eval level=\${${var}_level:-0}
353 test $level = 0 && continue
354 eval level=$(($level-1))
355 eval $var="\${${var}_${level}}"
356 eval ${var}_level=$level
357 eval unset ${var}_${level}
358 done
359 }
360
361 enable(){
362 set_all yes $*
363 }
364
365 disable(){
366 set_all no $*
367 }
368
369 enable_weak(){
370 set_weak yes $*
371 }
372
373 disable_weak(){
374 set_weak no $*
375 }
376
377 enable_safe(){
378 for var; do
379 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
380 done
381 }
382
383 disable_safe(){
384 for var; do
385 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
386 done
387 }
388
389 do_enable_deep(){
390 for var; do
391 enabled $var && continue
392 eval sel="\$${var}_select"
393 eval sgs="\$${var}_suggest"
394 pushvar var sgs
395 enable_deep $sel
396 popvar sgs
397 enable_deep_weak $sgs
398 popvar var
399 done
400 }
401
402 enable_deep(){
403 do_enable_deep $*
404 enable $*
405 }
406
407 enable_deep_weak(){
408 do_enable_deep $*
409 enable_weak $*
410 }
411
412 enabled(){
413 test "${1#!}" = "$1" && op== || op=!=
414 eval test "x\$${1#!}" $op "xyes"
415 }
416
417 disabled(){
418 test "${1#!}" = "$1" && op== || op=!=
419 eval test "x\$${1#!}" $op "xno"
420 }
421
422 enabled_all(){
423 for opt; do
424 enabled $opt || return 1
425 done
426 }
427
428 disabled_all(){
429 for opt; do
430 disabled $opt || return 1
431 done
432 }
433
434 enabled_any(){
435 for opt; do
436 enabled $opt && return 0
437 done
438 }
439
440 disabled_any(){
441 for opt; do
442 disabled $opt && return 0
443 done
444 return 1
445 }
446
447 set_default(){
448 for opt; do
449 eval : \${$opt:=\$${opt}_default}
450 done
451 }
452
453 is_in(){
454 value=$1
455 shift
456 for var in $*; do
457 [ $var = $value ] && return 0
458 done
459 return 1
460 }
461
462 check_deps(){
463 for cfg; do
464 cfg="${cfg#!}"
465 enabled ${cfg}_checking && die "Circular dependency for $cfg."
466 disabled ${cfg}_checking && continue
467 enable ${cfg}_checking
468
469 eval dep_all="\$${cfg}_deps"
470 eval dep_any="\$${cfg}_deps_any"
471 eval dep_sel="\$${cfg}_select"
472 eval dep_sgs="\$${cfg}_suggest"
473 eval dep_ifa="\$${cfg}_if"
474 eval dep_ifn="\$${cfg}_if_any"
475
476 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
477 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
478 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
479
480 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
481 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
482 enabled_all $dep_all || disable $cfg
483 enabled_any $dep_any || disable $cfg
484 disabled_any $dep_sel && disable $cfg
485
486 if enabled $cfg; then
487 eval dep_extralibs="\$${cfg}_extralibs"
488 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
489 enable_deep $dep_sel
490 enable_deep_weak $dep_sgs
491 fi
492
493 disable ${cfg}_checking
494 done
495 }
496
497 print_config(){
498 pfx=$1
499 header=$2
500 makefile=$3
501 shift 3
502 for cfg; do
503 ucname="$(toupper $cfg)"
504 if enabled $cfg; then
505 echo "#define ${pfx}${ucname} 1" >> $header
506 echo "${pfx}${ucname}=yes" >> $makefile
507 else
508 echo "#define ${pfx}${ucname} 0" >> $header
509 echo "!${pfx}${ucname}=yes" >> $makefile
510 fi
511 done
512 }
513
514 print_enabled(){
515 test "$1" = -n && end=" " && shift || end="\n"
516 suf=$1
517 shift
518 for v; do
519 enabled $v && printf "%s$end" ${v%$suf};
520 done
521 }
522
523 append(){
524 var=$1
525 shift
526 eval "$var=\"\$$var $*\""
527 }
528
529 prepend(){
530 var=$1
531 shift
532 eval "$var=\"$* \$$var\""
533 }
534
535 add_cppflags(){
536 append CPPFLAGS $($filter_cppflags "$@")
537 }
538
539 add_cflags(){
540 append CFLAGS $($filter_cflags "$@")
541 }
542
543 add_asflags(){
544 append ASFLAGS $($filter_asflags "$@")
545 }
546
547 add_ldflags(){
548 append LDFLAGS "$@"
549 }
550
551 add_extralibs(){
552 prepend extralibs "$@"
553 }
554
555 check_cmd(){
556 log "$@"
557 "$@" >> $logfile 2>&1
558 }
559
560 check_cc(){
561 log check_cc "$@"
562 cat > $TMPC
563 log_file $TMPC
564 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
565 }
566
567 check_cpp(){
568 log check_cpp "$@"
569 cat > $TMPC
570 log_file $TMPC
571 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
572 }
573
574 check_as(){
575 log check_as "$@"
576 cat > $TMPC
577 log_file $TMPC
578 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
579 }
580
581 check_asm(){
582 log check_asm "$@"
583 name="$1"
584 code="$2"
585 shift 2
586 disable $name
587 check_as "$@" <<EOF && enable $name
588 void foo(void){ __asm__ volatile($code); }
589 EOF
590 }
591
592 check_yasm(){
593 log check_yasm "$@"
594 echo "$1" > $TMPS
595 log_file $TMPS
596 shift 1
597 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
598 }
599
600 check_ld(){
601 log check_ld "$@"
602 flags=''
603 libs=''
604 for f; do
605 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
606 done
607 check_cc $($filter_cflags $flags) || return
608 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
609 }
610
611 check_cppflags(){
612 log check_cppflags "$@"
613 set -- $($filter_cppflags "$@")
614 check_cc "$@" <<EOF && append CPPFLAGS "$@"
615 int x;
616 EOF
617 }
618
619 check_cflags(){
620 log check_cflags "$@"
621 set -- $($filter_cflags "$@")
622 check_cc "$@" <<EOF && append CFLAGS "$@"
623 int x;
624 EOF
625 }
626
627 test_ldflags(){
628 log test_ldflags "$@"
629 check_ld "$@" <<EOF
630 int main(void){ return 0; }
631 EOF
632 }
633
634 check_ldflags(){
635 log check_ldflags "$@"
636 test_ldflags "$@" && add_ldflags "$@"
637 }
638
639 check_header(){
640 log check_header "$@"
641 header=$1
642 shift
643 disable_safe $header
644 check_cpp "$@" <<EOF && enable_safe $header
645 #include <$header>
646 int x;
647 EOF
648 }
649
650 check_func(){
651 log check_func "$@"
652 func=$1
653 shift
654 disable $func
655 check_ld "$@" <<EOF && enable $func
656 extern int $func();
657 int main(void){ $func(); }
658 EOF
659 }
660
661 check_mathfunc(){
662 log check_mathfunc "$@"
663 func=$1
664 shift
665 disable $func
666 check_ld "$@" <<EOF && enable $func
667 #include <math.h>
668 float foo(float f) { return $func(f); }
669 int main(void){ return 0; }
670 EOF
671 }
672
673 check_func_headers(){
674 log check_func_headers "$@"
675 headers=$1
676 func=$2
677 shift 2
678 disable $func
679 incs=""
680 for hdr in $headers; do
681 incs="$incs
682 #include <$hdr>"
683 done
684 check_ld "$@" <<EOF && enable $func && enable_safe $headers
685 $incs
686 int main(int argc, char **argv){
687 return (long) $func;
688 }
689 EOF
690 }
691
692 check_cpp_condition(){
693 log check_cpp_condition "$@"
694 header=$1
695 condition=$2
696 shift 2
697 check_cpp $($filter_cppflags "$@") <<EOF
698 #include <$header>
699 #if !($condition)
700 #error "unsatisfied condition: $condition"
701 #endif
702 EOF
703 }
704
705 check_lib(){
706 log check_lib "$@"
707 header="$1"
708 func="$2"
709 shift 2
710 check_header $header && check_func $func "$@" && add_extralibs "$@"
711 }
712
713 check_lib2(){
714 log check_lib2 "$@"
715 headers="$1"
716 func="$2"
717 shift 2
718 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
719 }
720
721 check_exec(){
722 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
723 }
724
725 check_exec_crash(){
726 code=$(cat)
727
728 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
729 # are safe but may not be available everywhere. Thus we use
730 # raise(SIGTERM) instead. The check is run in a subshell so we
731 # can redirect the "Terminated" message from the shell. SIGBUS
732 # is not defined by standard C so it is used conditionally.
733
734 (check_exec "$@") >> $logfile 2>&1 <<EOF
735 #include <signal.h>
736 static void sighandler(int sig){
737 raise(SIGTERM);
738 }
739 int main(void){
740 signal(SIGILL, sighandler);
741 signal(SIGFPE, sighandler);
742 signal(SIGSEGV, sighandler);
743 #ifdef SIGBUS
744 signal(SIGBUS, sighandler);
745 #endif
746 { $code }
747 }
748 EOF
749 }
750
751 check_type(){
752 log check_type "$@"
753 headers=$1
754 type=$2
755 shift 2
756 disable_safe "$type"
757 incs=""
758 for hdr in $headers; do
759 incs="$incs
760 #include <$hdr>"
761 done
762 check_cc "$@" <<EOF && enable_safe "$type"
763 $incs
764 $type v;
765 EOF
766 }
767
768 check_struct(){
769 log check_type "$@"
770 headers=$1
771 struct=$2
772 member=$3
773 shift 3
774 disable_safe "${struct}_${member}"
775 incs=""
776 for hdr in $headers; do
777 incs="$incs
778 #include <$hdr>"
779 done
780 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
781 $incs
782 const void *p = &(($struct *)0)->$member;
783 EOF
784 }
785
786 require(){
787 name="$1"
788 header="$2"
789 func="$3"
790 shift 3
791 check_lib $header $func "$@" || die "ERROR: $name not found"
792 }
793
794 require2(){
795 name="$1"
796 headers="$2"
797 func="$3"
798 shift 3
799 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
800 }
801
802 check_host_cc(){
803 log check_host_cc "$@"
804 cat > $TMPC
805 log_file $TMPC
806 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
807 }
808
809 check_host_cflags(){
810 log check_host_cflags "$@"
811 check_host_cc "$@" <<EOF && append host_cflags "$@"
812 int x;
813 EOF
814 }
815
816 apply(){
817 file=$1
818 shift
819 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
820 }
821
822 cp_if_changed(){
823 cmp -s "$1" "$2" &&
824 echo "$2 is unchanged" ||
825 cp -f "$1" "$2"
826 }
827
828 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
829 # system-dependent things.
830
831 COMPONENT_LIST="
832 bsfs
833 decoders
834 demuxers
835 encoders
836 filters
837 hwaccels
838 indevs
839 muxers
840 outdevs
841 parsers
842 protocols
843 "
844
845 CONFIG_LIST="
846 $COMPONENT_LIST
847 aandct
848 avcodec
849 avcore
850 avdevice
851 avfilter
852 avformat
853 avisynth
854 bzlib
855 dct
856 doc
857 dwt
858 dxva2
859 fastdiv
860 ffmpeg
861 ffplay
862 ffprobe
863 ffserver
864 fft
865 golomb
866 gpl
867 gray
868 h264dsp
869 hardcoded_tables
870 libdc1394
871 libdirac
872 libfaac
873 libgsm
874 libmp3lame
875 libnut
876 libopencore_amrnb
877 libopencore_amrwb
878 libopenjpeg
879 librtmp
880 libschroedinger
881 libspeex
882 libtheora
883 libvorbis
884 libvpx
885 libx264
886 libxavs
887 libxvid
888 lpc
889 lsp
890 mdct
891 memalign_hack
892 mlib
893 mpegaudio_hp
894 network
895 nonfree
896 pic
897 postproc
898 rdft
899 runtime_cpudetect
900 shared
901 small
902 sram
903 static
904 swscale
905 swscale_alpha
906 vaapi
907 vdpau
908 version3
909 x11grab
910 zlib
911 "
912
913 THREADS_LIST='
914 pthreads
915 w32threads
916 '
917
918 ARCH_LIST='
919 alpha
920 arm
921 avr32
922 avr32_ap
923 avr32_uc
924 bfin
925 ia64
926 m68k
927 mips
928 mips64
929 parisc
930 ppc
931 ppc64
932 s390
933 sh4
934 sparc
935 sparc64
936 tomi
937 x86
938 x86_32
939 x86_64
940 '
941
942 ARCH_EXT_LIST='
943 altivec
944 amd3dnow
945 amd3dnowext
946 armv5te
947 armv6
948 armv6t2
949 armvfp
950 iwmmxt
951 mmi
952 mmx
953 mmx2
954 neon
955 ppc4xx
956 sse
957 ssse3
958 vis
959 '
960
961 HAVE_LIST_PUB='
962 bigendian
963 fast_unaligned
964 '
965
966 HAVE_LIST="
967 $ARCH_EXT_LIST
968 $HAVE_LIST_PUB
969 $THREADS_LIST
970 alsa_asoundlib_h
971 altivec_h
972 arpa_inet_h
973 attribute_may_alias
974 attribute_packed
975 bswap
976 closesocket
977 cmov
978 conio_h
979 dcbzl
980 dev_bktr_ioctl_bt848_h
981 dev_bktr_ioctl_meteor_h
982 dev_ic_bt8xx_h
983 dev_video_meteor_ioctl_meteor_h
984 dev_video_bktr_ioctl_bt848_h
985 dlfcn_h
986 dlopen
987 dos_paths
988 ebp_available
989 ebx_available
990 exp2
991 exp2f
992 fast_64bit
993 fast_clz
994 fast_cmov
995 fcntl
996 fork
997 getaddrinfo
998 gethrtime
999 GetProcessMemoryInfo
1000 GetProcessTimes
1001 getrusage
1002 gnu_as
1003 struct_rusage_ru_maxrss
1004 ibm_asm
1005 inet_aton
1006 inline_asm
1007 isatty
1008 ldbrx
1009 libdc1394_1
1010 libdc1394_2
1011 llrint
1012 llrintf
1013 local_aligned_16
1014 local_aligned_8
1015 log2
1016 log2f
1017 loongson
1018 lrint
1019 lrintf
1020 lzo1x_999_compress
1021 machine_ioctl_bt848_h
1022 machine_ioctl_meteor_h
1023 malloc_h
1024 memalign
1025 mkstemp
1026 pld
1027 posix_memalign
1028 round
1029 roundf
1030 sdl
1031 sdl_video_size
1032 setmode
1033 socklen_t
1034 soundcard_h
1035 poll_h
1036 setrlimit
1037 strerror_r
1038 struct_addrinfo
1039 struct_ipv6_mreq
1040 struct_sockaddr_in6
1041 struct_sockaddr_sa_len
1042 struct_sockaddr_storage
1043 symver
1044 symver_gnu_asm
1045 symver_asm_label
1046 sys_mman_h
1047 sys_resource_h
1048 sys_select_h
1049 sys_soundcard_h
1050 sys_videoio_h
1051 ten_operands
1052 termios_h
1053 threads
1054 truncf
1055 vfp_args
1056 VirtualAlloc
1057 winsock2_h
1058 xform_asm
1059 yasm
1060 "
1061
1062 # options emitted with CONFIG_ prefix but not available on command line
1063 CONFIG_EXTRA="
1064 avutil
1065 gplv3
1066 lgplv3
1067 "
1068
1069 CMDLINE_SELECT="
1070 $ARCH_EXT_LIST
1071 $CONFIG_LIST
1072 $THREADS_LIST
1073 asm
1074 cross_compile
1075 debug
1076 extra_warnings
1077 logging
1078 optimizations
1079 stripping
1080 yasm
1081 "
1082
1083 PATHS_LIST='
1084 bindir
1085 datadir
1086 incdir
1087 libdir
1088 mandir
1089 prefix
1090 shlibdir
1091 '
1092
1093 CMDLINE_SET="
1094 $PATHS_LIST
1095 ar
1096 arch
1097 as
1098 build_suffix
1099 cc
1100 cpu
1101 cross_prefix
1102 dep_cc
1103 extra_version
1104 host_cc
1105 host_cflags
1106 host_ldflags
1107 host_libs
1108 host_os
1109 ld
1110 logfile
1111 malloc_prefix
1112 nm
1113 samples
1114 source_path
1115 strip
1116 sysinclude
1117 sysroot
1118 target_exec
1119 target_os
1120 target_path
1121 "
1122
1123 CMDLINE_APPEND="
1124 extra_cflags
1125 "
1126
1127 # code dependency declarations
1128
1129 # architecture extensions
1130
1131 armv5te_deps="arm"
1132 armv6_deps="arm"
1133 armv6t2_deps="arm"
1134 armvfp_deps="arm"
1135 iwmmxt_deps="arm"
1136 neon_deps="arm"
1137
1138 mmi_deps="mips"
1139
1140 altivec_deps="ppc"
1141 ppc4xx_deps="ppc"
1142
1143 vis_deps="sparc"
1144
1145 x86_64_suggest="cmov fast_cmov"
1146 amd3dnow_deps="mmx"
1147 amd3dnowext_deps="amd3dnow"
1148 mmx_deps="x86"
1149 mmx2_deps="mmx"
1150 sse_deps="mmx"
1151 ssse3_deps="sse"
1152
1153 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1154 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1155 fast_unaligned_if_any="armv6 ppc x86"
1156
1157 need_memalign="altivec neon sse"
1158 inline_asm_deps="!tms470"
1159
1160 symver_if_any="symver_asm_label symver_gnu_asm"
1161
1162 # subsystems
1163 dct_select="rdft"
1164 mdct_select="fft"
1165 rdft_select="fft"
1166
1167 # decoders / encoders / hardware accelerators
1168 aac_decoder_select="mdct rdft"
1169 aac_encoder_select="mdct"
1170 ac3_decoder_select="mdct ac3_parser"
1171 alac_encoder_select="lpc"
1172 amrnb_decoder_select="lsp"
1173 atrac1_decoder_select="mdct"
1174 atrac3_decoder_select="mdct"
1175 binkaudio_dct_decoder_select="mdct rdft dct"
1176 binkaudio_rdft_decoder_select="mdct rdft"
1177 cavs_decoder_select="golomb"
1178 cook_decoder_select="mdct"
1179 cscd_decoder_suggest="zlib"
1180 dca_decoder_select="mdct"
1181 dnxhd_encoder_select="aandct"
1182 dxa_decoder_select="zlib"
1183 eac3_decoder_select="ac3_decoder"
1184 eamad_decoder_select="aandct"
1185 eatgq_decoder_select="aandct"
1186 eatqi_decoder_select="aandct"
1187 ffv1_decoder_select="golomb"
1188 flac_decoder_select="golomb"
1189 flac_encoder_select="golomb lpc"
1190 flashsv_decoder_select="zlib"
1191 flashsv_encoder_select="zlib"
1192 flv_decoder_select="h263_decoder"
1193 flv_encoder_select="h263_encoder"
1194 h261_encoder_select="aandct"
1195 h263_decoder_select="h263_parser"
1196 h263_encoder_select="aandct"
1197 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1198 h263i_decoder_select="h263_decoder"
1199 h263p_encoder_select="h263_encoder"
1200 h264_decoder_select="golomb h264dsp"
1201 h264_dxva2_hwaccel_deps="dxva2api_h"
1202 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1203 h264_vaapi_hwaccel_select="vaapi"
1204 h264_vdpau_decoder_select="vdpau h264_decoder"
1205 imc_decoder_select="fft mdct"
1206 jpegls_decoder_select="golomb"
1207 jpegls_encoder_select="golomb"
1208 ljpeg_encoder_select="aandct"
1209 loco_decoder_select="golomb"
1210 mjpeg_encoder_select="aandct"
1211 mlp_decoder_select="mlp_parser"
1212 mp1float_decoder_select="dct"
1213 mp2float_decoder_select="dct"
1214 mp3adufloat_decoder_select="dct"
1215 mp3float_decoder_select="dct"
1216 mp3on4float_decoder_select="dct"
1217 mpeg1video_encoder_select="aandct"
1218 mpeg2video_encoder_select="aandct"
1219 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1220 mpeg4_encoder_select="h263_encoder"
1221 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1222 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1223 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1224 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1225 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1226 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1227 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1228 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1229 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1230 msmpeg4v1_decoder_select="h263_decoder"
1231 msmpeg4v1_encoder_select="h263_encoder"
1232 msmpeg4v2_decoder_select="h263_decoder"
1233 msmpeg4v2_encoder_select="h263_encoder"
1234 msmpeg4v3_decoder_select="h263_decoder"
1235 msmpeg4v3_encoder_select="h263_encoder"
1236 nellymoser_decoder_select="mdct"
1237 nellymoser_encoder_select="mdct"
1238 png_decoder_select="zlib"
1239 png_encoder_select="zlib"
1240 qcelp_decoder_select="lsp"
1241 qdm2_decoder_select="mdct rdft"
1242 ra_144_encoder_select="lpc"
1243 rv10_decoder_select="h263_decoder"
1244 rv10_encoder_select="h263_encoder"
1245 rv20_decoder_select="h263_decoder"
1246 rv20_encoder_select="h263_encoder"
1247 rv30_decoder_select="golomb h264dsp"
1248 rv40_decoder_select="golomb h264dsp"
1249 shorten_decoder_select="golomb"
1250 sipr_decoder_select="lsp"
1251 snow_decoder_select="dwt"
1252 snow_encoder_select="aandct dwt"
1253 sonic_decoder_select="golomb"
1254 sonic_encoder_select="golomb"
1255 sonic_ls_encoder_select="golomb"
1256 svq1_encoder_select="aandct"
1257 svq3_decoder_select="golomb h264dsp"
1258 svq3_decoder_suggest="zlib"
1259 theora_decoder_select="vp3_decoder"
1260 tiff_decoder_suggest="zlib"
1261 tiff_encoder_suggest="zlib"
1262 truehd_decoder_select="mlp_decoder"
1263 tscc_decoder_select="zlib"
1264 twinvq_decoder_select="mdct lsp"
1265 vc1_decoder_select="h263_decoder"
1266 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1267 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1268 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1269 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1270 vorbis_decoder_select="mdct"
1271 vorbis_encoder_select="mdct"
1272 vp6a_decoder_select="vp6_decoder"
1273 vp6f_decoder_select="vp6_decoder"
1274 vp8_decoder_select="h264dsp"
1275 wmapro_decoder_select="mdct"
1276 wmav1_decoder_select="mdct"
1277 wmav1_encoder_select="mdct"
1278 wmav2_decoder_select="mdct"
1279 wmav2_encoder_select="mdct"
1280 wmavoice_decoder_select="lsp rdft dct mdct"
1281 wmv1_decoder_select="h263_decoder"
1282 wmv1_encoder_select="h263_encoder"
1283 wmv2_decoder_select="h263_decoder"
1284 wmv2_encoder_select="h263_encoder"
1285 wmv3_decoder_select="vc1_decoder"
1286 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1287 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1288 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1289 zlib_decoder_select="zlib"
1290 zlib_encoder_select="zlib"
1291 zmbv_decoder_select="zlib"
1292 zmbv_encoder_select="zlib"
1293
1294 vaapi_deps="va_va_h"
1295 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1296
1297 # parsers
1298 h264_parser_select="golomb h264dsp"
1299
1300 # external libraries
1301 libdirac_decoder_deps="libdirac !libschroedinger"
1302 libdirac_encoder_deps="libdirac"
1303 libfaac_encoder_deps="libfaac"
1304 libgsm_decoder_deps="libgsm"
1305 libgsm_encoder_deps="libgsm"
1306 libgsm_ms_decoder_deps="libgsm"
1307 libgsm_ms_encoder_deps="libgsm"
1308 libmp3lame_encoder_deps="libmp3lame"
1309 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1310 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1311 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1312 libopenjpeg_decoder_deps="libopenjpeg"
1313 libschroedinger_decoder_deps="libschroedinger"
1314 libschroedinger_encoder_deps="libschroedinger"
1315 libspeex_decoder_deps="libspeex"
1316 libtheora_encoder_deps="libtheora"
1317 libvorbis_encoder_deps="libvorbis"
1318 libvpx_decoder_deps="libvpx"
1319 libvpx_encoder_deps="libvpx"
1320 libx264_encoder_deps="libx264"
1321 libxavs_encoder_deps="libxavs"
1322 libxvid_encoder_deps="libxvid"
1323
1324 # demuxers / muxers
1325 ac3_demuxer_deps="ac3_parser"
1326 asf_stream_muxer_select="asf_muxer"
1327 avisynth_demuxer_deps="avisynth"
1328 dirac_demuxer_deps="dirac_parser"
1329 eac3_demuxer_select="ac3_parser"
1330 ipod_muxer_select="mov_muxer"
1331 libnut_demuxer_deps="libnut"
1332 libnut_muxer_deps="libnut"
1333 matroska_audio_muxer_select="matroska_muxer"
1334 matroska_demuxer_suggest="zlib bzlib"
1335 mov_demuxer_suggest="zlib"
1336 mp3_demuxer_deps="mpegaudio_parser"
1337 mp4_muxer_select="mov_muxer"
1338 mpegtsraw_demuxer_select="mpegts_demuxer"
1339 mxf_d10_muxer_select="mxf_muxer"
1340 ogg_demuxer_select="golomb"
1341 psp_muxer_select="mov_muxer"
1342 rtsp_demuxer_deps="sdp_demuxer"
1343 rtsp_muxer_deps="sdp_demuxer"
1344 rtsp_muxer_select="rtp_muxer"
1345 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1346 sdp_demuxer_select="asf_demuxer rm_demuxer"
1347 spdif_muxer_select="aac_parser"
1348 tg2_muxer_select="mov_muxer"
1349 tgp_muxer_select="mov_muxer"
1350 w64_demuxer_deps="wav_demuxer"
1351
1352 # indevs / outdevs
1353 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1354 alsa_indev_extralibs="-lasound"
1355 alsa_outdev_deps="alsa_asoundlib_h"
1356 alsa_outdev_extralibs="-lasound"
1357 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1358 dv1394_indev_deps="dv1394 dv_demuxer"
1359 jack_indev_deps="jack_jack_h"
1360 jack_indev_extralibs="-ljack"
1361 libdc1394_indev_deps="libdc1394"
1362 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1363 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1364 v4l_indev_deps="linux_videodev_h"
1365 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1366 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1367 vfwcap_indev_extralibs="-lavicap32"
1368 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1369 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1370
1371 # protocols
1372 gopher_protocol_deps="network"
1373 http_protocol_deps="network"
1374 http_protocol_select="tcp_protocol"
1375 mmst_protocol_deps="network"
1376 rtmp_protocol_select="tcp_protocol"
1377 rtp_protocol_select="udp_protocol"
1378 tcp_protocol_deps="network"
1379 udp_protocol_deps="network"
1380
1381 # libraries
1382 avdevice_deps="avcodec avformat"
1383 avformat_deps="avcodec"
1384
1385 # programs
1386 ffmpeg_deps="avcodec avformat swscale"
1387 ffmpeg_select="buffer_filter"
1388 ffplay_deps="avcodec avformat swscale sdl"
1389 ffplay_select="rdft"
1390 ffprobe_deps="avcodec avformat"
1391 ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1392 ffserver_extralibs='$ldl'
1393
1394 doc_deps="texi2html"
1395
1396 # tests
1397
1398 test_deps(){
1399 suf1=$1
1400 suf2=$2
1401 shift 2
1402 for v; do
1403 dep=${v%=*}
1404 tests=${v#*=}
1405 for name in ${tests}; do
1406 eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1407 done
1408 done
1409 }
1410
1411 test_deps _encoder _decoder \
1412 ac3 \
1413 adpcm_g726=g726 \
1414 adpcm_ima_qt \
1415 adpcm_ima_wav \
1416 adpcm_ms \
1417 adpcm_swf \
1418 adpcm_yamaha=adpcm_yam \
1419 alac \
1420 asv1 \
1421 asv2 \
1422 bmp \
1423 dnxhd="hdxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1424 dvvideo="dv dv50" \
1425 ffv1 \
1426 flac \
1427 flashsv \
1428 flv \
1429 gif \
1430 h261 \
1431 h263="h263 h263p" \
1432 huffyuv \
1433 jpegls \
1434 mjpeg="jpg mjpeg ljpeg" \
1435 mp2 \
1436 mpeg1video="mpeg mpeg1b" \
1437 mpeg2video="mpeg2 mpeg2thread" \
1438 mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc" \
1439 msmpeg4v3=msmpeg4 \
1440 msmpeg4v2 \
1441 pbm=pbmpipe \
1442 pcx \
1443 pgm="pgm pgmpipe" \
1444 ppm="ppm ppmpipe" \
1445 rawvideo="rgb yuv" \
1446 roq \
1447 rv10 \
1448 rv20 \
1449 sgi \
1450 snow="snow snowll" \
1451 svq1 \
1452 targa=tga \
1453 tiff \
1454 wmav1 \
1455 wmav2 \
1456 wmv1 \
1457 wmv2 \
1458
1459 test_deps _muxer _demuxer \
1460 aiff \
1461 pcm_alaw=alaw \
1462 asf \
1463 au \
1464 avi \
1465 dv=dv_fmt \
1466 ffm \
1467 flv=flv_fmt \
1468 gxf \
1469 matroska=mkv \
1470 mmf \
1471 mov \
1472 pcm_mulaw=mulaw \
1473 mxf \
1474 nut \
1475 ogg \
1476 rawvideo=pixfmt \
1477 rm \
1478 swf \
1479 mpegts=ts \
1480 voc \
1481 wav \
1482 yuv4mpegpipe=yuv4mpeg \
1483
1484 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1485 pixdesc_be_test_deps="bigendian"
1486 pixdesc_le_test_deps="!bigendian"
1487
1488 # default parameters
1489
1490 logfile="config.log"
1491
1492 # installation paths
1493 prefix_default="/usr/local"
1494 bindir_default='${prefix}/bin'
1495 datadir_default='${prefix}/share/ffmpeg'
1496 incdir_default='${prefix}/include'
1497 libdir_default='${prefix}/lib'
1498 mandir_default='${prefix}/share/man'
1499 shlibdir_default="$libdir_default"
1500
1501 # toolchain
1502 ar_default="ar"
1503 cc_default="gcc"
1504 cc_version=\"unknown\"
1505 host_cc_default="gcc"
1506 ln_s="ln -sf"
1507 nm_default="nm"
1508 objformat="elf"
1509 ranlib="ranlib"
1510 strip_default="strip"
1511 yasmexe="yasm"
1512 nogas=":"
1513
1514 nm_opts='-g'
1515
1516 # machine
1517 arch_default=$(uname -m)
1518 cpu="generic"
1519
1520 # OS
1521 target_os_default=$(tolower $(uname -s))
1522 host_os=$target_os_default
1523
1524 # configurable options
1525 enable avcodec
1526 enable avcore
1527 enable avdevice
1528 enable avfilter
1529 enable avformat
1530 enable avutil
1531 enable asm
1532 enable debug
1533 enable doc
1534 enable fastdiv
1535 enable ffmpeg
1536 enable ffplay
1537 enable ffprobe
1538 enable ffserver
1539 enable mpegaudio_hp
1540 enable network
1541 enable optimizations
1542 enable protocols
1543 enable static
1544 enable stripping
1545 enable swscale
1546 enable swscale_alpha
1547
1548 # build settings
1549 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1550 FFSERVERLDFLAGS=-Wl,-E
1551 LIBPREF="lib"
1552 LIBSUF=".a"
1553 FULLNAME='$(NAME)$(BUILDSUF)'
1554 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1555 SLIBPREF="lib"
1556 SLIBSUF=".so"
1557 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1558 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1559 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1560 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1561
1562 CC_O='-o $@'
1563
1564 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1565 host_libs='-lm'
1566
1567 target_path='$(CURDIR)'
1568
1569 # since the object filename is not given with the -MM flag, the compiler
1570 # is only able to print the basename, and we must add the path ourselves
1571 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1572 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1573
1574 # find source path
1575 source_path="$(dirname "$0")"
1576 enable source_path_used
1577 if test -f configure; then
1578 source_path="$(pwd)"
1579 disable source_path_used
1580 else
1581 source_path="$(cd "$source_path"; pwd)"
1582 echo "$source_path" | grep -q '[[:blank:]]' &&
1583 die "Out of tree builds are impossible with whitespace in source path."
1584 test -e "$source_path/config.h" &&
1585 die "Out of tree builds are impossible with config.h in source dir."
1586 fi
1587
1588 for v in "$@"; do
1589 r=${v#*=}
1590 l=${v%"$r"}
1591 r=$(sh_quote "$r")
1592 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1593 done
1594
1595 find_things(){
1596 thing=$1
1597 pattern=$2
1598 file=$source_path/$3
1599 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1600 }
1601
1602 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1603 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1604 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1605 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1606 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1607 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1608 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1609 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1610 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1611 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1612 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1613
1614 find_tests(){
1615 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1616 }
1617
1618 ACODEC_TESTS=$(find_tests acodec)
1619 VCODEC_TESTS=$(find_tests vsynth1)
1620 LAVF_TESTS=$(find_tests lavf)
1621 LAVFI_TESTS=$(find_tests lavfi)
1622 SEEK_TESTS=$(find_tests seek seek_)
1623
1624 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1625
1626 for n in $COMPONENT_LIST; do
1627 v=$(toupper ${n%s})_LIST
1628 eval enable \$$v
1629 eval ${n}_if_any="\$$v"
1630 done
1631
1632 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1633
1634 die_unknown(){
1635 echo "Unknown option \"$1\"."
1636 echo "See $0 --help for available options."
1637 exit 1
1638 }
1639
1640 show_list() {
1641 suffix=_$1
1642 shift
1643 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1644 exit 0
1645 }
1646
1647 for opt do
1648 optval="${opt#*=}"
1649 case "$opt" in
1650 --extra-ldflags=*) add_ldflags $optval
1651 ;;
1652 --extra-libs=*) add_extralibs $optval
1653 ;;
1654 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1655 ;;
1656 --enable-debug=*) debuglevel="$optval"
1657 ;;
1658 --disable-everything)
1659 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1660 ;;
1661 --enable-*=*|--disable-*=*)
1662 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1663 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1664 eval list=\$$(toupper $thing)_LIST
1665 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1666 $action $(filter "$name" $list)
1667 ;;
1668 --enable-?*|--disable-?*)
1669 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1670 if is_in $option $COMPONENT_LIST; then
1671 test $action = disable && action=unset
1672 eval $action \$$(toupper ${option%s})_LIST
1673 elif is_in $option $CMDLINE_SELECT; then
1674 $action $option
1675 else
1676 die_unknown $opt
1677 fi
1678 ;;
1679 --list-*)
1680 NAME="${opt#--list-}"
1681 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1682 NAME=${NAME%s}
1683 eval show_list $NAME \$$(toupper $NAME)_LIST
1684 ;;
1685 --help|-h) show_help
1686 ;;
1687 *)
1688 optname="${opt%%=*}"
1689 optname="${optname#--}"
1690 optname=$(echo "$optname" | sed 's/-/_/g')
1691 if is_in $optname $CMDLINE_SET; then
1692 eval $optname='$optval'
1693 elif is_in $optname $CMDLINE_APPEND; then
1694 append $optname "$optval"
1695 else
1696 die_unknown $opt
1697 fi
1698 ;;
1699 esac
1700 done
1701
1702 disabled logging && logfile=/dev/null
1703
1704 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1705 set >> $logfile
1706
1707 test -n "$cross_prefix" && enable cross_compile
1708
1709 if enabled cross_compile; then
1710 test -n "$arch" && test -n "$target_os" ||
1711 die "Must specify target arch and OS when cross-compiling"
1712 fi
1713
1714 set_default arch target_os
1715
1716 ar_default="${cross_prefix}${ar_default}"
1717 cc_default="${cross_prefix}${cc_default}"
1718 nm_default="${cross_prefix}${nm_default}"
1719 ranlib="${cross_prefix}${ranlib}"
1720 strip_default="${cross_prefix}${strip_default}"
1721
1722 sysinclude_default="${sysroot}/usr/include"
1723
1724 set_default cc nm strip sysinclude
1725 enabled cross_compile || host_cc_default=$cc
1726 set_default host_cc
1727
1728 exesuf() {
1729 case $1 in
1730 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1731 esac
1732 }
1733
1734 EXESUF=$(exesuf $target_os)
1735 HOSTEXESUF=$(exesuf $host_os)
1736
1737 # set temporary file name
1738 : ${TMPDIR:=$TEMPDIR}
1739 : ${TMPDIR:=$TMP}
1740 : ${TMPDIR:=/tmp}
1741
1742 if ! check_cmd type mktemp; then
1743 # simple replacement for missing mktemp
1744 # NOT SAFE FOR GENERAL USE
1745 mktemp(){
1746 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1747 }
1748 fi
1749
1750 tmpfile(){
1751 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1752 (set -C; exec > $tmp) 2>/dev/null ||
1753 die "Unable to create temporary file in $TMPDIR."
1754 append TMPFILES $tmp
1755 eval $1=$tmp
1756 }
1757
1758 trap 'rm -f -- $TMPFILES' EXIT
1759 trap exit HUP INT TERM
1760
1761 tmpfile TMPC .c
1762 tmpfile TMPE $EXESUF
1763 tmpfile TMPH .h
1764 tmpfile TMPO .o
1765 tmpfile TMPS .S
1766 tmpfile TMPV .ver
1767 tmpfile TMPSH .sh
1768
1769 unset -f mktemp
1770
1771 # make sure we can execute files in $TMPDIR
1772 cat > $TMPSH 2>> $logfile <<EOF
1773 #! /bin/sh
1774 EOF
1775 chmod +x $TMPSH >> $logfile 2>&1
1776 if ! $TMPSH >> $logfile 2>&1; then
1777 cat <<EOF
1778 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1779 variable to another directory and make sure that it is not mounted noexec.
1780 EOF
1781 die "Sanity test failed."
1782 fi
1783
1784 filter_cflags=echo
1785 filter_cppflags=echo
1786 filter_asflags=echo
1787
1788 if $cc -v 2>&1 | grep -qi ^gcc; then
1789 cc_type=gcc
1790 cc_version=__VERSION__
1791 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1792 cc_ident="gcc $($cc -dumpversion) $gcc_extra_ver"
1793 if ! $cc -dumpversion | grep -q '^2\.'; then
1794 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1795 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1796 fi
1797 speed_cflags='-O3'
1798 size_cflags='-Os'
1799 elif $cc --version 2>/dev/null | grep -q Intel; then
1800 cc_type=icc
1801 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1802 cc_ident=$($cc --version | head -n1)
1803 CC_DEPFLAGS='-MMD'
1804 AS_DEPFLAGS='-MMD'
1805 speed_cflags='-O3'
1806 size_cflags='-Os'
1807 noopt_cflags='-O1'
1808 elif $cc -v 2>&1 | grep -q xlc; then
1809 cc_type=xlc
1810 cc_version="AV_STRINGIFY(__IBMC__)"
1811 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1812 speed_cflags='-O5'
1813 size_cflags='-O5 -qcompact'
1814 elif $cc -V 2>/dev/null | grep -q Compaq; then
1815 cc_type=ccc
1816 cc_version="AV_STRINGIFY(__DECC_VER)"
1817 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1818 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1819 debuglevel=3
1820 add_ldflags -Wl,-z,now # calls to libots crash without this
1821 speed_cflags='-fast'
1822 size_cflags='-O1'
1823 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1824 test -d "$sysroot" || die "No valid sysroot specified."
1825 cc_type=armcc
1826 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1827 cc_ident=$($cc --vsn | head -n1)
1828 armcc_conf="$PWD/armcc.conf"
1829 $cc --arm_linux_configure \
1830 --arm_linux_config_file="$armcc_conf" \
1831 --configure_sysroot="$sysroot" \
1832 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1833 die "Error creating armcc configuration file."
1834 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1835 as_default="${cross_prefix}gcc"
1836 CC_DEPFLAGS='-MMD'
1837 AS_DEPFLAGS='-MMD'
1838 speed_cflags='-O3'
1839 size_cflags='-Os'
1840 elif $cc -version 2>/dev/null | grep -q TMS470; then
1841 cc_type=tms470
1842 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1843 cc_ident=$($cc -version | head -n1 | tr -s ' ')
1844 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1845 CC_O='-fr=$(@D)'
1846 as_default="${cross_prefix}gcc"
1847 ld_default="${cross_prefix}gcc"
1848 TMPO=$(basename $TMPC .c).o
1849 append TMPFILES $TMPO
1850 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1851 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1852 AS_DEPFLAGS='-MMD'
1853 speed_cflags='-O3 -mf=5'
1854 size_cflags='-O3 -mf=2'
1855 filter_cflags=tms470_flags
1856 tms470_flags(){
1857 for flag; do
1858 case $flag in
1859 -march=*|-mcpu=*)
1860 case "${flag#*=}" in
1861 armv7-a|cortex-a*) echo -mv=7a8 ;;
1862 armv7-r|cortex-r*) echo -mv=7r4 ;;
1863 armv7-m|cortex-m*) echo -mv=7m3 ;;
1864 armv6*|arm11*) echo -mv=6 ;;
1865 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1866 echo -mv=5e ;;
1867 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1868 esac
1869 ;;
1870 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1871 -mfpu=vfp) echo --float_support=vfpv2 ;;
1872 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1873 -msoft-float) echo --float_support=vfplib ;;
1874 -O[0-3]|-mf=*) echo $flag ;;
1875 -g) echo -g -mn ;;
1876 -pds=*) echo $flag ;;
1877 esac
1878 done
1879 }
1880 elif $cc -v 2>&1 | grep -q clang; then
1881 cc_type=clang
1882 $cc -dM -E $TMPC | grep -q __clang_version__ &&
1883 cc_version=__clang_version__ || cc_version=__VERSION__
1884 cc_ident=$($cc --version | head -n1)
1885 CC_DEPFLAGS='-MMD'
1886 AS_DEPFLAGS='-MMD'
1887 speed_cflags='-O3'
1888 size_cflags='-Os'
1889 elif $cc -V 2>&1 | grep -q Sun; then
1890 cc_type=suncc
1891 cc_version="AV_STRINGIFY(__SUNPRO_C)"
1892 cc_ident=$($cc -V | head -n1)
1893 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1894 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1895 speed_cflags='-O5'
1896 size_cflags='-O5 -xspace'
1897 filter_cflags=suncc_flags
1898 suncc_flags(){
1899 for flag; do
1900 case $flag in
1901 -march=*|-mcpu=*)
1902 case "${flag#*=}" in
1903 native) echo -xtarget=native ;;
1904 v9|niagara) echo -xarch=sparc ;;
1905 ultrasparc) echo -xarch=sparcvis ;;
1906 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
1907 i586|pentium) echo -xchip=pentium ;;
1908 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1909 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1910 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1911 pentium4*) echo -xtarget=pentium4 ;;
1912 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1913 *-sse3) echo -xarch=sse3 ;;
1914 core2) echo -xarch=ssse3 -xchip=core2 ;;
1915 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1916 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1917 k8|opteron|athlon64|athlon-fx)
1918 echo -xarch=sse2a ;;
1919 athlon*) echo -xarch=pentium_proa ;;
1920 esac
1921 ;;
1922 -std=c99) echo -xc99 ;;
1923 -fomit-frame-pointer) echo -xregs=frameptr ;;
1924 -fPIC) echo -KPIC -xcode=pic32 ;;
1925 -W*,*) echo $flag ;;
1926 -f*-*|-W*) ;;
1927 *) echo $flag ;;
1928 esac
1929 done
1930 }
1931 elif $cc -v 2>&1 | grep -q PathScale; then
1932 cc_type=pathscale
1933 cc_version=__PATHSCALE__
1934 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
1935 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1936 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1937 speed_cflags='-O2'
1938 size_cflags='-Os'
1939 fi
1940
1941 test -n "$cc_type" && enable $cc_type ||
1942 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
1943
1944 : ${as_default:=$cc}
1945 : ${dep_cc_default:=$cc}
1946 : ${ld_default:=$cc}
1947 set_default ar as dep_cc ld
1948
1949 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1950 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1951
1952 add_cflags $extra_cflags
1953 add_asflags $extra_cflags
1954
1955 if test -n "$sysroot"; then
1956 case "$cc_type" in
1957 gcc)
1958 add_cppflags --sysroot="$sysroot"
1959 add_ldflags --sysroot="$sysroot"
1960 ;;
1961 tms470)
1962 add_cppflags -I"$sysinclude"
1963 add_ldflags --sysroot="$sysroot"
1964 ;;
1965 clang)
1966 add_cppflags -isysroot "$sysroot"
1967 add_ldflags -isysroot "$sysroot"
1968 ;;
1969 esac
1970 fi
1971
1972 if test "$cpu" = host; then
1973 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1974
1975 case "$cc_type" in
1976 gcc)
1977 check_native(){
1978 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1979 sed -n "/$1=/{
1980 s/.*$1=\\([^ ]*\\).*/\\1/
1981 p
1982 q
1983 }" $TMPE
1984 }
1985 cpu=$(check_native -march || check_native -mcpu)
1986 ;;
1987 esac
1988
1989 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1990 fi
1991
1992 # Deal with common $arch aliases
1993 case "$arch" in
1994 arm*)
1995 arch="arm"
1996 ;;
1997 mips|mipsel|IP*)
1998 arch="mips"
1999 ;;
2000 mips64*)
2001 arch="mips"
2002 subarch="mips64"
2003 ;;
2004 parisc|hppa)
2005 arch="parisc"
2006 ;;
2007 parisc64|hppa64)
2008 arch="parisc"
2009 subarch="parisc64"
2010 ;;
2011 "Power Macintosh"|ppc|powerpc)
2012 arch="ppc"
2013 ;;
2014 ppc64|powerpc64)
2015 arch="ppc"
2016 subarch="ppc64"
2017 ;;
2018 s390|s390x)
2019 arch="s390"
2020 ;;
2021 sh4|sh)
2022 arch="sh4"
2023 ;;
2024 sun4u|sparc64)
2025 arch="sparc"
2026 subarch="sparc64"
2027 ;;
2028 i[3-6]86|i86pc|BePC|x86_64|amd64)
2029 arch="x86"
2030 ;;
2031 esac
2032
2033 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2034 enable $arch
2035
2036 # Add processor-specific flags
2037 if test "$cpu" = generic; then
2038 : do nothing
2039 elif enabled ppc; then
2040
2041 case $(tolower $cpu) in
2042 601|ppc601|powerpc601)
2043 cpuflags="-mcpu=601"
2044 disable altivec
2045 ;;
2046 603*|ppc603*|powerpc603*)
2047 cpuflags="-mcpu=603"
2048 disable altivec
2049 ;;
2050 604*|ppc604*|powerpc604*)
2051 cpuflags="-mcpu=604"
2052 disable altivec
2053 ;;
2054 g3|75*|ppc75*|powerpc75*)
2055 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2056 disable altivec
2057 ;;
2058 g4|745*|ppc745*|powerpc745*)
2059 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2060 ;;
2061 74*|ppc74*|powerpc74*)
2062 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2063 ;;
2064 g5|970|ppc970|powerpc970|power4*)
2065 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2066 ;;
2067 cell)
2068 cpuflags="-mcpu=cell"
2069 enable ldbrx
2070 ;;
2071 e500v2)
2072 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2073 disable altivec
2074 ;;
2075 e500)
2076 cpuflags="-mcpu=8540 -mhard-float"
2077 disable altivec
2078 ;;
2079 esac
2080
2081 elif enabled x86; then
2082
2083 case $cpu in
2084 i[345]86|pentium)
2085 cpuflags="-march=$cpu"
2086 disable mmx
2087 ;;
2088 # targets that do NOT support conditional mov (cmov)
2089 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2090 cpuflags="-march=$cpu"
2091 disable cmov
2092 ;;
2093 # targets that do support conditional mov (cmov)
2094 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona)
2095 cpuflags="-march=$cpu"
2096 enable cmov
2097 enable fast_cmov
2098 ;;
2099 # targets that do support conditional mov but on which it's slow
2100 pentium4|pentium4m|prescott|nocona)
2101 cpuflags="-march=$cpu"
2102 enable cmov
2103 disable fast_cmov
2104 ;;
2105 esac
2106
2107 elif enabled sparc; then
2108
2109 case $cpu in
2110 niagara)
2111 cpuflags="-mcpu=$cpu"
2112 disable vis
2113 ;;
2114 sparc64)
2115 cpuflags="-mcpu=v9"
2116 ;;
2117 esac
2118
2119 elif enabled arm; then
2120
2121 case $cpu in
2122 armv*)
2123 cpuflags="-march=$cpu"
2124 ;;
2125 *)
2126 cpuflags="-mcpu=$cpu"
2127 ;;
2128 esac
2129
2130 elif enabled alpha; then
2131
2132 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2133
2134 elif enabled bfin; then
2135
2136 cpuflags="-mcpu=$cpu"
2137
2138 elif enabled mips; then
2139
2140 cpuflags="-march=$cpu"
2141
2142 elif enabled avr32; then
2143
2144 case $cpu in
2145 ap7[02]0[0-2])
2146 subarch="avr32_ap"
2147 cpuflags="-mpart=$cpu"
2148 ;;
2149 ap)
2150 subarch="avr32_ap"
2151 cpuflags="-march=$cpu"
2152 ;;
2153 uc3[ab]*)
2154 subarch="avr32_uc"
2155 cpuflags="-mcpu=$cpu"
2156 ;;
2157 uc)
2158 subarch="avr32_uc"
2159 cpuflags="-march=$cpu"
2160 ;;
2161 esac
2162
2163 fi
2164
2165 add_cflags $cpuflags
2166 add_asflags $cpuflags
2167
2168 # compiler sanity check
2169 check_exec <<EOF
2170 int main(void){ return 0; }
2171 EOF
2172 if test "$?" != 0; then
2173 echo "$cc is unable to create an executable file."
2174 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2175 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2176 echo "Only do this if you know what cross compiling means."
2177 fi
2178 die "C compiler test failed."
2179 fi
2180
2181 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2182 check_cflags -std=c99
2183 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2184 #include <stdlib.h>
2185 EOF
2186 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2187 #include <stdlib.h>
2188 EOF
2189
2190 check_host_cflags -std=c99
2191
2192 case "$arch" in
2193 alpha|ia64|mips|parisc|sparc)
2194 spic=$shared
2195 ;;
2196 x86)
2197 subarch="x86_32"
2198 check_cc <<EOF && subarch="x86_64"
2199 int test[(int)sizeof(char*) - 7];
2200 EOF
2201 if test "$subarch" = "x86_64"; then
2202 spic=$shared
2203 fi
2204 ;;
2205 esac
2206
2207 enable $subarch
2208 enabled spic && enable pic
2209
2210 # OS specific
2211 case $target_os in
2212 haiku)
2213 prefix_default="/boot/common"
2214 network_extralibs="-lnetwork"
2215 ;;
2216 sunos)
2217 FFSERVERLDFLAGS=""
2218 SHFLAGS='-shared -Wl,-h,$$(@F)'
2219 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2220 network_extralibs="-lsocket -lnsl"
2221 add_cppflags -D__EXTENSIONS__
2222 nm_opts='-P -g'
2223 ;;
2224 netbsd)
2225 oss_indev_extralibs="-lossaudio"
2226 oss_outdev_extralibs="-lossaudio"
2227 add_cppflags -D_XOPEN_SOURCE=600
2228 ;;
2229 openbsd)
2230 enable malloc_aligned
2231 # On OpenBSD 4.5. the compiler does not use PIC unless
2232 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2233 # however the generated executable will not do anything
2234 # (simply quits with exit-code 1, no crash, no output).
2235 # Thus explicitly enable PIC here.
2236 enable pic
2237 SHFLAGS='-shared'
2238 oss_indev_extralibs="-lossaudio"
2239 oss_outdev_extralibs="-lossaudio"
2240 ;;
2241 freebsd|dragonfly)
2242 enable malloc_aligned
2243 ;;
2244 bsd/os)
2245 add_extralibs -lpoll -lgnugetopt
2246 strip="strip -d"
2247 ;;
2248 darwin)
2249 enable malloc_aligned
2250 gas="gas-preprocessor.pl $cc"
2251 enabled ppc && add_asflags -force_cpusubtype_ALL
2252 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2253 strip="${strip} -x"
2254 add_ldflags -Wl,-dynamic,-search_paths_first
2255 SLIBSUF=".dylib"
2256 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2257 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2258 FFSERVERLDFLAGS=-Wl,-bind_at_load
2259 objformat="macho"
2260 enabled x86_64 && objformat="macho64"
2261 enabled_any pic shared ||
2262 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2263 ;;
2264 mingw32*)
2265 if test $target_os = "mingw32ce"; then
2266 disable network
2267 else
2268 target_os=mingw32
2269 fi
2270 LIBTARGET=i386
2271 if enabled x86_64; then
2272 enable malloc_aligned
2273 LIBTARGET=x64
2274 elif enabled arm; then
2275 LIBTARGET=arm
2276 fi
2277 shlibdir_default="$bindir_default"
2278 disable ffserver
2279 SLIBPREF=""
2280 SLIBSUF=".dll"
2281 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2282 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2283 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2284 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2285 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2286 install -d "$(LIBDIR)"; \
2287 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2288 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2289 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'
2290 objformat="win32"
2291 enable dos_paths
2292 check_cflags -fno-common
2293 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2294 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2295 die "ERROR: MinGW runtime version must be >= 3.15."
2296 ;;
2297 cygwin*)
2298 target_os=cygwin
2299 shlibdir_default="$bindir_default"
2300 SLIBPREF="cyg"
2301 SLIBSUF=".dll"
2302 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2303 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2304 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2305 objformat="win32"
2306 enable dos_paths
2307 check_cflags -fno-common
2308 ;;
2309 *-dos|freedos|opendos)
2310 disable ffplay ffserver
2311 disable $INDEV_LIST $OUTDEV_LIST
2312 network_extralibs="-lsocket"
2313 objformat="coff"
2314 enable dos_paths
2315 ;;
2316 linux)
2317 enable dv1394
2318 ;;
2319 irix*)
2320 target_os=irix
2321 ranlib="echo ignoring ranlib"
2322 ;;
2323 os/2*)
2324 strip="lxlite"
2325 ln_s="cp -f"
2326 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2327 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2328 FFSERVERLDFLAGS=""
2329 LIBSUF="_s.a"
2330 SLIBPREF=""
2331 SLIBSUF=".dll"
2332 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2333 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2334 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2335 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2336 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2337 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2338 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2339 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2340 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2341 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2342 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2343 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2344 enable dos_paths
2345 ;;
2346 gnu/kfreebsd)
2347 ;;
2348 gnu)
2349 ;;
2350 none)
2351 ;;
2352 *)
2353 die "Unknown OS '$target_os'."
2354 ;;
2355 esac
2356
2357 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2358
2359 set_default $PATHS_LIST
2360
2361 # we need to build at least one lib type
2362 if ! enabled_any static shared; then
2363 cat <<EOF
2364 At least one library type must be built.
2365 Specify --enable-static to build the static libraries or --enable-shared to
2366 build the shared libraries as well. To only build the shared libraries specify
2367 --disable-static in addition to --enable-shared.
2368 EOF
2369 exit 1;
2370 fi
2371
2372 disabled static && LIBNAME=""
2373
2374 die_license_disabled() {
2375 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2376 }
2377
2378 die_license_disabled gpl libx264
2379 die_license_disabled gpl libxavs
2380 die_license_disabled gpl libxvid
2381 die_license_disabled gpl postproc
2382 die_license_disabled gpl x11grab
2383
2384 die_license_disabled nonfree libfaac
2385
2386 die_license_disabled version3 libopencore_amrnb
2387 die_license_disabled version3 libopencore_amrwb
2388
2389 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2390
2391 check_deps $ARCH_EXT_LIST
2392
2393 disabled optimizations || check_cflags -fomit-frame-pointer
2394
2395 enable_pic() {
2396 enable pic
2397 add_cppflags -DPIC
2398 add_cflags -fPIC
2399 add_asflags -fPIC
2400 }
2401
2402 enabled pic && enable_pic
2403
2404 check_cc <<EOF || die "Symbol mangling check failed."
2405 int ff_extern;
2406 EOF
2407 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2408 extern_prefix=${sym%%ff_extern*}
2409
2410 check_cc <<EOF && enable inline_asm
2411 void foo(void) { __asm__ volatile ("" ::); }
2412 EOF
2413
2414 _restrict=
2415 for restrict_keyword in restrict __restrict__ __restrict; do
2416 check_cc <<EOF && _restrict=$restrict_keyword && break
2417 void foo(char * $restrict_keyword p);
2418 EOF
2419 done
2420
2421 check_cc <<EOF && enable attribute_packed
2422 struct { int x; } __attribute__((packed)) x;
2423 EOF
2424
2425 check_cc <<EOF && enable attribute_may_alias
2426 union { int x; } __attribute__((may_alias)) x;
2427 EOF
2428
2429 check_cc <<EOF || die "endian test failed"
2430 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2431 EOF
2432 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2433
2434 if enabled alpha; then
2435
2436 check_cflags -mieee
2437
2438 elif enabled arm; then
2439
2440 check_cflags -marm
2441 nogas=die
2442
2443 check_ld <<EOF && enable vfp_args
2444 __asm__ (".eabi_attribute 28, 1");
2445 int main(void) { return 0; }
2446 EOF
2447
2448 # We have to check if pld is a nop and disable it.
2449 check_asm pld '"pld [r0]"'
2450
2451 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2452 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2453 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2454 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2455 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2456 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2457
2458 enabled_all armv6t2 shared !pic && enable_pic
2459
2460 elif enabled mips; then
2461
2462 check_asm loongson '"dmult.g $1, $2, $3"'
2463 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2464
2465 elif enabled ppc; then
2466
2467 enable local_aligned_8 local_aligned_16
2468
2469 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2470 check_asm ibm_asm '"add 0, 0, 0"'
2471 check_asm ppc4xx '"maclhw r10, r11, r12"'
2472 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2473
2474 # AltiVec flags: The FSF version of GCC differs from the Apple version
2475 if enabled altivec; then
2476 nogas=warn
2477 check_cflags -maltivec -mabi=altivec &&
2478 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2479 check_cflags -faltivec
2480
2481 # check if our compiler supports Motorola AltiVec C API
2482 check_cc <<EOF || disable altivec
2483 $inc_altivec_h
2484 int main(void) {
2485 vector signed int v1, v2, v3;
2486 v1 = vec_add(v2,v3);
2487 return 0;
2488 }
2489 EOF
2490
2491 # check if our compiler supports braces for vector declarations
2492 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2493 $inc_altivec_h
2494 int main (void) { (vector int) {1}; return 0; }
2495 EOF
2496 fi
2497
2498 elif enabled sparc; then
2499
2500 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2501 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2502
2503 elif enabled x86; then
2504
2505 enable local_aligned_8 local_aligned_16
2506
2507 # check whether EBP is available on x86
2508 # As 'i' is stored on the stack, this program will crash
2509 # if the base pointer is used to access it because the
2510 # base pointer is cleared in the inline assembly code.
2511 check_exec_crash <<EOF && enable ebp_available
2512 volatile int i=0;
2513 __asm__ volatile (
2514 "xorl %%ebp, %%ebp"
2515 ::: "%ebp");
2516 return i;
2517 EOF
2518
2519 # check whether EBX is available on x86
2520 check_asm ebx_available '""::"b"(0)' &&
2521 check_asm ebx_available '"":::"%ebx"'
2522
2523 # check whether more than 10 operands are supported
2524 check_cc <<EOF && enable ten_operands
2525 int main(void) {
2526 int x=0;
2527 __asm__ volatile(
2528 ""
2529 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2530 );
2531 return 0;
2532 }
2533 EOF
2534
2535 # check whether binutils is new enough to compile SSSE3/MMX2
2536 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2537 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2538
2539 check_asm bswap '"bswap %%eax" ::: "%eax"'
2540
2541 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2542 enabled x86_64 && append YASMFLAGS "-m amd64"
2543 enabled pic && append YASMFLAGS "-DPIC"
2544 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2545 case "$objformat" in
2546 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2547 esac
2548 if ! disabled yasm; then
2549 check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2550 warn "yasm not found, performance will suffer"
2551 fi
2552
2553 case "$cpu" in
2554 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2555 disable fast_clz
2556 ;;
2557 esac
2558
2559 fi
2560
2561 if enabled asm; then
2562 as=${gas:=$as}
2563 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2564 $nogas "GNU assembler not found, install gas-preprocessor"
2565 fi
2566
2567 if check_func dlopen; then
2568 ldl=
2569 elif check_func dlopen -ldl; then
2570 ldl=-ldl
2571 fi
2572
2573 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2574 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2575
2576 check_func fcntl
2577 check_func fork
2578 check_func getaddrinfo $network_extralibs
2579 check_func gethrtime
2580 check_func getrusage
2581 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2582 check_func inet_aton $network_extralibs
2583 check_func isatty
2584 check_func ${malloc_prefix}memalign && enable memalign
2585 check_func mkstemp
2586 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2587 check_func setrlimit
2588 check_func strerror_r
2589 check_func_headers io.h setmode
2590 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2591 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2592 check_func_headers windows.h GetProcessTimes
2593 check_func_headers windows.h VirtualAlloc
2594
2595 check_header conio.h
2596 check_header dlfcn.h
2597 check_header dxva2api.h
2598 check_header malloc.h
2599 check_header poll.h
2600 check_header sys/mman.h
2601 check_header sys/resource.h
2602 check_header sys/select.h
2603 check_header termios.h
2604 check_header vdpau/vdpau.h
2605 check_header vdpau/vdpau_x11.h
2606 check_header X11/extensions/XvMClib.h
2607
2608 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2609
2610 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2611 enabled_any $need_memalign ; then
2612 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2613 fi
2614
2615 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2616 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2617
2618 # check for some common methods of building with pthread support
2619 # do this before the optional library checks as some of them require pthreads
2620 if ! disabled pthreads && ! enabled w32threads; then
2621 enable pthreads
2622 if check_func pthread_create; then
2623 :
2624 elif check_func pthread_create -pthread; then
2625 add_cflags -pthread
2626 add_extralibs -pthread
2627 elif check_func pthread_create -pthreads; then
2628 add_cflags -pthreads
2629 add_extralibs -pthreads
2630 elif check_func pthread_create -lpthreadGC2; then
2631 add_extralibs -lpthreadGC2
2632 elif ! check_lib pthread.h pthread_create -lpthread; then
2633 disable pthreads
2634 fi
2635 fi
2636
2637 for thread in $THREADS_LIST; do
2638 if enabled $thread; then
2639 test -n "$thread_type" &&
2640 die "ERROR: Only one thread type must be selected." ||
2641 thread_type="$thread"
2642 fi
2643 done
2644
2645 check_lib math.h sin -lm
2646 disabled vaapi || check_lib va/va.h vaInitialize -lva
2647
2648 check_mathfunc exp2
2649 check_mathfunc exp2f
2650 check_mathfunc llrint
2651 check_mathfunc llrintf
2652 check_mathfunc log2
2653 check_mathfunc log2f
2654 check_mathfunc lrint
2655 check_mathfunc lrintf
2656 check_mathfunc round
2657 check_mathfunc roundf
2658 check_mathfunc truncf
2659
2660 # these are off by default, so fail if requested and not available
2661 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2662 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2663 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2664 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2665 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2666 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2667 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame
2668 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2669 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2670 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2671 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2672 enabled librtmp && { check_lib librtmp/rtmp.h RTMP_Socket $(pkg-config --libs librtmp) ||
2673 die "ERROR: librtmp not found or RTMP_Socket() missing, librtmp version must be >= 2.2.f"; }
2674 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2675 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2676 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2677 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2678 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2679 enabled libvpx && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx &&
2680 check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2681 die "ERROR: libvpx version must be >=0.9.1"; }
2682 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2683 { check_cpp_condition x264.h "X264_BUILD >= 98" ||
2684 die "ERROR: libx264 version must be >= 0.98."; }
2685 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2686 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2687 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2688
2689 # libdc1394 check
2690 if enabled libdc1394; then
2691 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2692 enable libdc1394_2; } ||
2693 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2694 enable libdc1394_1; } ||
2695 die "ERROR: No version of libdc1394 found "
2696 fi
2697
2698 SDL_CONFIG="${cross_prefix}sdl-config"
2699 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2700 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2701 sdl_libs=$("${SDL_CONFIG}" --libs)
2702 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2703 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2704 enable sdl &&
2705 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2706 fi
2707
2708 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2709
2710 if enabled network; then
2711 check_type "sys/types.h sys/socket.h" socklen_t
2712 check_type netdb.h "struct addrinfo"
2713 check_type netinet/in.h "struct ipv6_mreq"
2714 check_type netinet/in.h "struct sockaddr_in6"
2715 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2716 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2717 # Prefer arpa/inet.h over winsock2
2718 if check_header arpa/inet.h ; then
2719 check_func closesocket
2720 elif check_header winsock2.h ; then
2721 check_func_headers winsock2.h closesocket -lws2 && \
2722 network_extralibs="-lws2" || \
2723 { check_func_headers winsock2.h closesocket -lws2_32 && \
2724 network_extralibs="-lws2_32"; }
2725 check_type ws2tcpip.h socklen_t
2726 check_type ws2tcpip.h "struct addrinfo"
2727 check_type ws2tcpip.h "struct ipv6_mreq"
2728 check_type ws2tcpip.h "struct sockaddr_in6"
2729 check_type ws2tcpip.h "struct sockaddr_storage"
2730 check_struct winsock2.h "struct sockaddr" sa_len
2731 else
2732 disable network
2733 fi
2734 fi
2735
2736 check_header linux/videodev.h
2737 check_header linux/videodev2.h
2738 check_header sys/videoio.h
2739
2740 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2741 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2742 # w32api 3.12 had it defined wrong
2743 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2744
2745 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2746 { check_header dev/bktr/ioctl_meteor.h &&
2747 check_header dev/bktr/ioctl_bt848.h; } ||
2748 { check_header machine/ioctl_meteor.h &&
2749 check_header machine/ioctl_bt848.h; } ||
2750 { check_header dev/video/meteor/ioctl_meteor.h &&
2751 check_header dev/video/bktr/ioctl_bt848.h; } ||
2752 check_header dev/ic/bt8xx.h
2753
2754 check_header sys/soundcard.h
2755 check_header soundcard.h
2756
2757 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2758
2759 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2760
2761 enabled x11grab &&
2762 check_header X11/Xlib.h &&
2763 check_header X11/extensions/XShm.h &&
2764 check_header X11/extensions/Xfixes.h &&
2765 check_func XOpenDisplay -lX11 &&
2766 check_func XShmCreateImage -lX11 -lXext &&
2767 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2768
2769 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2770 check_cpp_condition \
2771 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2772 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2773 disable vdpau; }
2774 fi
2775
2776 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2777
2778 # add some useful compiler flags if supported
2779 check_cflags -Wdeclaration-after-statement
2780 check_cflags -Wall
2781 check_cflags -Wno-switch
2782 check_cflags -Wdisabled-optimization
2783 check_cflags -Wpointer-arith
2784 check_cflags -Wredundant-decls
2785 check_cflags -Wno-pointer-sign
2786 check_cflags -Wcast-qual
2787 check_cflags -Wwrite-strings
2788 check_cflags -Wtype-limits
2789 check_cflags -Wundef
2790 check_cflags -Wmissing-prototypes
2791 enabled extra_warnings && check_cflags -Winline
2792
2793 # add some linker flags
2794 check_ldflags -Wl,--warn-common
2795 check_ldflags -Wl,--as-needed
2796 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'
2797 check_ldflags -Wl,-Bsymbolic
2798
2799 echo "X{};" > $TMPV
2800 if test_ldflags -Wl,--version-script,$TMPV; then
2801 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2802 check_cc <<EOF && enable symver_asm_label
2803 void ff_foo(void) __asm__ ("av_foo@VERSION");
2804 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2805 EOF
2806 check_cc <<EOF && enable symver_gnu_asm
2807 __asm__(".symver ff_foo,av_foo@VERSION");
2808 void ff_foo(void) {}
2809 EOF
2810 fi
2811
2812 if enabled small; then
2813 add_cflags $size_cflags
2814 optimizations="small"
2815 elif enabled optimizations; then
2816 add_cflags $speed_cflags
2817 else
2818 add_cflags $noopt_cflags
2819 fi
2820 check_cflags -fno-math-errno
2821 check_cflags -fno-signed-zeros
2822
2823 if enabled icc; then
2824 # Just warnings, no remarks
2825 check_cflags -w1
2826 # -wd: Disable following warnings
2827 # 144, 167, 556: -Wno-pointer-sign
2828 # 10006: ignoring unknown option -fno-signed-zeros
2829 # 10156: ignoring option '-W'; no argument required
2830 check_cflags -wd144,167,556,10006,10156
2831 # 11030: Warning unknown option --as-needed
2832 # 10156: ignoring option '-export'; no argument required
2833 check_ldflags -wd10156,11030
2834 # Allow to compile with optimizations
2835 check_ldflags -march=$cpu
2836 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2837 enable ebp_available
2838 elif enabled ccc; then
2839 # disable some annoying warnings
2840 add_cflags -msg_disable cvtu32to64
2841 add_cflags -msg_disable embedcomment
2842 add_cflags -msg_disable needconstext
2843 add_cflags -msg_disable nomainieee
2844 add_cflags -msg_disable ptrmismatch1
2845 add_cflags -msg_disable unreachcode
2846 elif enabled gcc; then
2847 check_cflags -fno-tree-vectorize
2848 check_cflags -Werror=implicit-function-declaration
2849 check_cflags -Werror=missing-prototypes
2850 elif enabled clang; then
2851 check_cflags -Qunused-arguments
2852 elif enabled armcc; then
2853 # 2523: use of inline assembler is deprecated
2854 add_cflags -Wrvct,--diag_suppress=2523
2855 add_cflags -Wrvct,--diag_suppress=1207
2856 elif enabled tms470; then
2857 add_cflags -pds=824 -pds=837
2858 fi
2859
2860 enabled_any $THREADS_LIST && enable threads
2861
2862 check_deps $CONFIG_LIST \
2863 $CONFIG_EXTRA \
2864 $HAVE_LIST \
2865 $DECODER_LIST \
2866 $ENCODER_LIST \
2867 $HWACCEL_LIST \
2868 $PARSER_LIST \
2869 $BSF_LIST \
2870 $DEMUXER_LIST \
2871 $MUXER_LIST \
2872 $FILTER_LIST \
2873 $INDEV_LIST \
2874 $OUTDEV_LIST \
2875 $PROTOCOL_LIST \
2876 $ACODEC_TESTS \
2877 $VCODEC_TESTS \
2878 $LAVF_TESTS \
2879 $LAVFI_TESTS \
2880 $SEEK_TESTS \
2881
2882 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
2883
2884 echo "install prefix $prefix"
2885 echo "source path $source_path"
2886 echo "C compiler $cc"
2887 echo "ARCH $arch ($cpu)"
2888 if test "$build_suffix" != ""; then
2889 echo "build suffix $build_suffix"
2890 fi
2891 if test "$extra_version" != ""; then
2892 echo "version string suffix $extra_version"
2893 fi
2894 echo "big-endian ${bigendian-no}"
2895 echo "runtime cpu detection ${runtime_cpudetect-no}"
2896 if enabled x86; then
2897 echo "yasm ${yasm-no}"
2898 echo "MMX enabled ${mmx-no}"
2899 echo "MMX2 enabled ${mmx2-no}"
2900 echo "3DNow! enabled ${amd3dnow-no}"
2901 echo "3DNow! extended enabled ${amd3dnowext-no}"
2902 echo "SSE enabled ${sse-no}"
2903 echo "SSSE3 enabled ${ssse3-no}"
2904 echo "CMOV enabled ${cmov-no}"
2905 echo "CMOV is fast ${fast_cmov-no}"
2906 echo "EBX available ${ebx_available-no}"
2907 echo "EBP available ${ebp_available-no}"
2908 echo "10 operands supported ${ten_operands-no}"
2909 fi
2910 if enabled arm; then
2911 echo "ARMv5TE enabled ${armv5te-no}"
2912 echo "ARMv6 enabled ${armv6-no}"
2913 echo "ARMv6T2 enabled ${armv6t2-no}"
2914 echo "ARM VFP enabled ${armvfp-no}"
2915 echo "IWMMXT enabled ${iwmmxt-no}"
2916 echo "NEON enabled ${neon-no}"
2917 fi
2918 if enabled mips; then
2919 echo "MMI enabled ${mmi-no}"
2920 fi
2921 if enabled ppc; then
2922 echo "AltiVec enabled ${altivec-no}"
2923 echo "PPC 4xx optimizations ${ppc4xx-no}"
2924 echo "dcbzl available ${dcbzl-no}"
2925 fi
2926 if enabled sparc; then
2927 echo "VIS enabled ${vis-no}"
2928 fi
2929 echo "debug symbols ${debug-no}"
2930 echo "strip symbols ${stripping-no}"
2931 echo "optimizations ${optimizations-no}"
2932 echo "static ${static-no}"
2933 echo "shared ${shared-no}"
2934 echo "postprocessing support ${postproc-no}"
2935 echo "new filter support ${avfilter-no}"
2936 echo "network support ${network-no}"
2937 echo "threading support ${thread_type-no}"
2938 echo "SDL support ${sdl-no}"
2939 echo "Sun medialib support ${mlib-no}"
2940 echo "AVISynth enabled ${avisynth-no}"
2941 echo "libdc1394 support ${libdc1394-no}"
2942 echo "libdirac enabled ${libdirac-no}"
2943 echo "libfaac enabled ${libfaac-no}"
2944 echo "libgsm enabled ${libgsm-no}"
2945 echo "libmp3lame enabled ${libmp3lame-no}"
2946 echo "libnut enabled ${libnut-no}"
2947 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2948 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2949 echo "libopenjpeg enabled ${libopenjpeg-no}"
2950 echo "librtmp enabled ${librtmp-no}"
2951 echo "libschroedinger enabled ${libschroedinger-no}"
2952 echo "libspeex enabled ${libspeex-no}"
2953 echo "libtheora enabled ${libtheora-no}"
2954 echo "libvorbis enabled ${libvorbis-no}"
2955 echo "libvpx enabled ${libvpx-no}"
2956 echo "libx264 enabled ${libx264-no}"
2957 echo "libxavs enabled ${libxavs-no}"
2958 echo "libxvid enabled ${libxvid-no}"
2959 echo "zlib enabled ${zlib-no}"
2960 echo "bzlib enabled ${bzlib-no}"
2961 echo
2962
2963 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2964 echo "Enabled ${type}s:"
2965 eval list=\$$(toupper $type)_LIST
2966 print_enabled '_*' $list | sort | pr -3 -t
2967 echo
2968 done
2969
2970 license="LGPL version 2.1 or later"
2971 if enabled nonfree; then
2972 license="nonfree and unredistributable"
2973 elif enabled gplv3; then
2974 license="GPL version 3 or later"
2975 elif enabled lgplv3; then
2976 license="LGPL version 3 or later"
2977 elif enabled gpl; then
2978 license="GPL version 2 or later"
2979 fi
2980
2981 echo "License: $license"
2982
2983 echo "Creating config.mak and config.h..."
2984
2985 # build tree in object directory if source path is different from current one
2986 if enabled source_path_used; then
2987 DIRS="
2988 doc
2989 libavcodec
2990 libavcodec/$arch
2991 libavcore
2992 libavdevice
2993 libavfilter
2994 libavformat
2995 libavutil
2996 libavutil/$arch
2997 libpostproc
2998 libswscale
2999 libswscale/$arch
3000 tests
3001 tools
3002 "
3003 FILES="
3004 Makefile
3005 common.mak
3006 subdir.mak
3007 doc/texi2pod.pl
3008 libavcodec/Makefile
3009 libavcodec/${arch}/Makefile
3010 libavcore/Makefile
3011 libavdevice/Makefile
3012 libavfilter/Makefile
3013 libavformat/Makefile
3014 libavutil/Makefile
3015 libpostproc/Makefile
3016 libswscale/Makefile
3017 "
3018 map 'mkdir -p $v' $DIRS;
3019 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
3020 fi
3021
3022 enabled stripping || strip="echo skipping strip"
3023
3024 cat > config.mak <<EOF
3025 # Automatically generated by configure - do not modify!
3026 ifndef FFMPEG_CONFIG_MAK
3027 FFMPEG_CONFIG_MAK=1
3028 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3029 prefix=$prefix
3030 LIBDIR=\$(DESTDIR)$libdir
3031 SHLIBDIR=\$(DESTDIR)$shlibdir
3032 INCDIR=\$(DESTDIR)$incdir
3033 BINDIR=\$(DESTDIR)$bindir
3034 DATADIR=\$(DESTDIR)$datadir
3035 MANDIR=\$(DESTDIR)$mandir
3036 SRC_PATH="$source_path"
3037 SRC_PATH_BARE=$source_path
3038 BUILD_ROOT="$PWD"
3039 CC_IDENT=$cc_ident
3040 ARCH=$arch
3041 CC=$cc
3042 AS=$as
3043 LD=$ld
3044 DEPCC=$dep_cc
3045 YASM=$yasmexe
3046 YASMDEP=$yasmexe
3047 AR=$ar
3048 RANLIB=$ranlib
3049 CP=cp -p
3050 LN_S=$ln_s
3051 STRIP=$strip
3052 CPPFLAGS=$CPPFLAGS
3053 CFLAGS=$CFLAGS
3054 ASFLAGS=$ASFLAGS
3055 CC_O=$CC_O
3056 LDFLAGS=$LDFLAGS
3057 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3058 SHFLAGS=$SHFLAGS
3059 YASMFLAGS=$YASMFLAGS
3060 BUILDSUF=$build_suffix
3061 FULLNAME=$FULLNAME
3062 LIBPREF=$LIBPREF
3063 LIBSUF=$LIBSUF
3064 LIBNAME=$LIBNAME
3065 SLIBPREF=$SLIBPREF
3066 SLIBSUF=$SLIBSUF
3067 EXESUF=$EXESUF
3068 EXTRA_VERSION=$extra_version
3069 DEPFLAGS=$DEPFLAGS
3070 CCDEP=$CCDEP
3071 ASDEP=$ASDEP
3072 CC_DEPFLAGS=$CC_DEPFLAGS
3073 AS_DEPFLAGS=$AS_DEPFLAGS
3074 HOSTCC=$host_cc
3075 HOSTCFLAGS=$host_cflags
3076 HOSTEXESUF=$HOSTEXESUF
3077 HOSTLDFLAGS=$host_ldflags
3078 HOSTLIBS=$host_libs
3079 TARGET_EXEC=$target_exec
3080 TARGET_PATH=$target_path
3081 SDL_LIBS=$sdl_libs
3082 SDL_CFLAGS=$sdl_cflags
3083 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3084 EXTRALIBS=$extralibs
3085 INSTALL=install
3086 LIBTARGET=${LIBTARGET}
3087 SLIBNAME=${SLIBNAME}
3088 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3089 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3090 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3091 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3092 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3093 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3094 SAMPLES=$samples
3095 EOF
3096
3097 get_version(){
3098 name=$1
3099 file=$source_path/$2
3100 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3101 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3102 lcname=$(tolower $name)
3103 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3104 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3105 }
3106
3107 get_version LIBSWSCALE libswscale/swscale.h
3108 get_version LIBPOSTPROC libpostproc/postprocess.h
3109 get_version LIBAVCODEC libavcodec/avcodec.h
3110 get_version LIBAVCORE libavcore/avcore.h
3111 get_version LIBAVDEVICE libavdevice/avdevice.h
3112 get_version LIBAVFORMAT libavformat/avformat.h
3113 get_version LIBAVUTIL libavutil/avutil.h
3114 get_version LIBAVFILTER libavfilter/avfilter.h
3115
3116 cat > $TMPH <<EOF
3117 /* Automatically generated by configure - do not modify! */
3118 #ifndef FFMPEG_CONFIG_H
3119 #define FFMPEG_CONFIG_H
3120 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3121 #define FFMPEG_LICENSE "$(c_escape $license)"
3122 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3123 #define CC_TYPE "$cc_type"
3124 #define CC_VERSION $cc_version
3125 #define restrict $_restrict
3126 #define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
3127 #define EXTERN_PREFIX "${extern_prefix}"
3128 #define EXTERN_ASM ${extern_prefix}
3129 EOF
3130
3131 test -n "$malloc_prefix" &&
3132 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3133
3134 if enabled small || disabled optimizations; then
3135 echo "#undef av_always_inline" >> $TMPH
3136 echo "#define av_always_inline" >> $TMPH
3137 fi
3138
3139 print_config ARCH_ $TMPH config.mak $ARCH_LIST
3140 print_config HAVE_ $TMPH config.mak $HAVE_LIST
3141 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
3142 $CONFIG_EXTRA \
3143 $DECODER_LIST \
3144 $ENCODER_LIST \
3145 $HWACCEL_LIST \
3146 $PARSER_LIST \
3147 $BSF_LIST \
3148 $DEMUXER_LIST \
3149 $MUXER_LIST \
3150 $FILTER_LIST \
3151 $PROTOCOL_LIST \
3152 $INDEV_LIST \
3153 $OUTDEV_LIST \
3154
3155 cat >>config.mak <<EOF
3156 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3157 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3158 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3159 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3160 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3161 EOF
3162
3163 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3164 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3165
3166 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3167 cp_if_changed $TMPH config.h
3168 touch .config
3169
3170 cat > $TMPH <<EOF
3171 /* Generated by ffconf */
3172 #ifndef AVUTIL_AVCONFIG_H
3173 #define AVUTIL_AVCONFIG_H
3174 EOF
3175
3176 print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3177
3178 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3179
3180 cp_if_changed $TMPH libavutil/avconfig.h
3181
3182 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
3183
3184 test -n "$WARNINGS" && printf "\n$WARNINGS"
3185
3186 # build pkg-config files
3187
3188 pkgconfig_generate(){
3189 name=$1
3190 shortname=${name#lib}${build_suffix}
3191 comment=$2
3192 version=$3
3193 libs=$4
3194 requires=$5
3195 enabled $shortname || return
3196 cat <<EOF > $name/$name.pc
3197 prefix=$prefix
3198 exec_prefix=\${prefix}
3199 libdir=$libdir
3200 includedir=$incdir
3201
3202 Name: $name
3203 Description: $comment
3204 Version: $version
3205 Requires: $(enabled shared || echo $requires)
3206 Requires.private: $(enabled shared && echo $requires)
3207 Conflicts:
3208 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3209 Libs.private: $(enabled shared && echo $libs)
3210 Cflags: -I\${includedir}
3211 EOF
3212 cat <<EOF > $name/$name-uninstalled.pc
3213 prefix=
3214 exec_prefix=
3215 libdir=\${pcfiledir}
3216 includedir=${source_path}
3217
3218 Name: $name
3219 Description: $comment
3220 Version: $version
3221 Requires: $requires
3222 Conflicts:
3223 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3224 Cflags: -I\${includedir}
3225 EOF
3226 }
3227
3228 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3229 pkgconfig_generate libavcore "FFmpeg multimedia shared core utilities library" "$LIBAVCORE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3230 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3231 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3232 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3233 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3234 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3235 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"