f4fbc7bb1fc1a1b1a08edd7a9b70848536a858fa
[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 --enable-avfilter-lavf video filters dependent on avformat [no]
95 --disable-pthreads disable pthreads [auto]
96 --enable-w32threads use Win32 threads [no]
97 --enable-x11grab enable X11 grabbing [no]
98 --disable-network disable network support [no]
99 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
100 --enable-gray enable full grayscale support (slower color)
101 --disable-swscale-alpha disable alpha channel support in swscale
102 --disable-fastdiv disable table-based division
103 --enable-small optimize for size instead of speed
104 --disable-aandct disable AAN DCT code
105 --disable-dct disable DCT code
106 --disable-fft disable FFT code
107 --disable-golomb disable Golomb code
108 --disable-lpc disable LPC code
109 --disable-mdct disable MDCT code
110 --disable-rdft disable RDFT code
111 --disable-vaapi disable VAAPI code
112 --disable-vdpau disable VDPAU code
113 --disable-dxva2 disable DXVA2 code
114 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
115 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
116 --enable-memalign-hack emulate memalign, interferes with memory debuggers
117 --disable-everything disable all components listed below
118 --disable-encoder=NAME disable encoder NAME
119 --enable-encoder=NAME enable encoder NAME
120 --disable-encoders disable all encoders
121 --disable-decoder=NAME disable decoder NAME
122 --enable-decoder=NAME enable decoder NAME
123 --disable-decoders disable all decoders
124 --disable-hwaccel=NAME disable hwaccel NAME
125 --enable-hwaccel=NAME enable hwaccel NAME
126 --disable-hwaccels disable all hwaccels
127 --disable-muxer=NAME disable muxer NAME
128 --enable-muxer=NAME enable muxer NAME
129 --disable-muxers disable all muxers
130 --disable-demuxer=NAME disable demuxer NAME
131 --enable-demuxer=NAME enable demuxer NAME
132 --disable-demuxers disable all demuxers
133 --enable-parser=NAME enable parser NAME
134 --disable-parser=NAME disable parser NAME
135 --disable-parsers disable all parsers
136 --enable-bsf=NAME enable bitstream filter NAME
137 --disable-bsf=NAME disable bitstream filter NAME
138 --disable-bsfs disable all bitstream filters
139 --enable-protocol=NAME enable protocol NAME
140 --disable-protocol=NAME disable protocol NAME
141 --disable-protocols disable all protocols
142 --disable-indev=NAME disable input device NAME
143 --disable-outdev=NAME disable output device NAME
144 --disable-indevs disable input devices
145 --disable-outdevs disable output devices
146 --disable-devices disable all devices
147 --enable-filter=NAME enable filter NAME
148 --disable-filter=NAME disable filter NAME
149 --disable-filters disable all filters
150 --list-decoders show all available decoders
151 --list-encoders show all available encoders
152 --list-hwaccels show all available hardware accelerators
153 --list-muxers show all available muxers
154 --list-demuxers show all available demuxers
155 --list-parsers show all available parsers
156 --list-protocols show all available protocols
157 --list-bsfs show all available bitstream filters
158 --list-indevs show all available input devices
159 --list-outdevs show all available output devices
160 --list-filters show all available filters
161
162 External library support:
163 --enable-avisynth enable reading of AVISynth script files [no]
164 --enable-bzlib enable bzlib [autodetect]
165 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
166 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
167 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
168 and libraw1394 [no]
169 --enable-libdirac enable Dirac support via libdirac [no]
170 --enable-libfaac enable FAAC support via libfaac [no]
171 --enable-libgsm enable GSM support via libgsm [no]
172 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
173 --enable-libnut enable NUT (de)muxing via libnut,
174 native (de)muxer exists [no]
175 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
176 --enable-librtmp enable RTMP[E] support via librtmp [no]
177 --enable-libschroedinger enable Dirac support via libschroedinger [no]
178 --enable-libspeex enable Speex decoding via libspeex [no]
179 --enable-libtheora enable Theora encoding via libtheora [no]
180 --enable-libvorbis enable Vorbis encoding via libvorbis,
181 native implementation exists [no]
182 --enable-libvpx enable VP8 support via libvpx [no]
183 --enable-libx264 enable H.264 encoding via x264 [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 avfilter_lavf
853 avformat
854 avisynth
855 bzlib
856 dct
857 doc
858 dwt
859 dxva2
860 fastdiv
861 ffmpeg
862 ffplay
863 ffprobe
864 ffserver
865 fft
866 golomb
867 gpl
868 gray
869 h264dsp
870 hardcoded_tables
871 libdc1394
872 libdirac
873 libfaac
874 libgsm
875 libmp3lame
876 libnut
877 libopencore_amrnb
878 libopencore_amrwb
879 libopenjpeg
880 librtmp
881 libschroedinger
882 libspeex
883 libtheora
884 libvorbis
885 libvpx
886 libx264
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 libxvid_encoder_deps="libxvid"
1322
1323 # demuxers / muxers
1324 ac3_demuxer_deps="ac3_parser"
1325 asf_stream_muxer_select="asf_muxer"
1326 avisynth_demuxer_deps="avisynth"
1327 dirac_demuxer_deps="dirac_parser"
1328 eac3_demuxer_select="ac3_parser"
1329 ipod_muxer_select="mov_muxer"
1330 libnut_demuxer_deps="libnut"
1331 libnut_muxer_deps="libnut"
1332 matroska_audio_muxer_select="matroska_muxer"
1333 matroska_demuxer_suggest="zlib bzlib"
1334 mov_demuxer_suggest="zlib"
1335 mp3_demuxer_deps="mpegaudio_parser"
1336 mp4_muxer_select="mov_muxer"
1337 mpegtsraw_demuxer_select="mpegts_demuxer"
1338 mxf_d10_muxer_select="mxf_muxer"
1339 ogg_demuxer_select="golomb"
1340 psp_muxer_select="mov_muxer"
1341 rtsp_demuxer_deps="sdp_demuxer"
1342 rtsp_muxer_deps="sdp_demuxer"
1343 rtsp_muxer_select="rtp_muxer"
1344 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1345 sdp_demuxer_select="asf_demuxer rm_demuxer"
1346 spdif_muxer_select="aac_parser"
1347 tg2_muxer_select="mov_muxer"
1348 tgp_muxer_select="mov_muxer"
1349 w64_demuxer_deps="wav_demuxer"
1350
1351 # indevs / outdevs
1352 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1353 alsa_indev_extralibs="-lasound"
1354 alsa_outdev_deps="alsa_asoundlib_h"
1355 alsa_outdev_extralibs="-lasound"
1356 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1357 dv1394_indev_deps="dv1394 dv_demuxer"
1358 jack_indev_deps="jack_jack_h"
1359 jack_indev_extralibs="-ljack"
1360 libdc1394_indev_deps="libdc1394"
1361 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1362 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1363 v4l_indev_deps="linux_videodev_h"
1364 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1365 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1366 vfwcap_indev_extralibs="-lavicap32"
1367 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1368 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1369
1370 # protocols
1371 gopher_protocol_deps="network"
1372 http_protocol_deps="network"
1373 http_protocol_select="tcp_protocol"
1374 mmst_protocol_deps="network"
1375 rtmp_protocol_select="tcp_protocol"
1376 rtp_protocol_select="udp_protocol"
1377 tcp_protocol_deps="network"
1378 udp_protocol_deps="network"
1379
1380 # filters
1381 movie_filter_deps="avfilter_lavf"
1382 avfilter_lavf_deps="avformat"
1383
1384 # libraries
1385 avdevice_deps="avcodec avformat"
1386 avformat_deps="avcodec"
1387
1388 # programs
1389 ffmpeg_deps="avcodec avformat swscale"
1390 ffmpeg_select="buffer_filter"
1391 ffplay_deps="avcodec avformat swscale sdl"
1392 ffplay_select="rdft"
1393 ffprobe_deps="avcodec avformat"
1394 ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1395 ffserver_extralibs='$ldl'
1396
1397 doc_deps="texi2html"
1398
1399 # tests
1400
1401 test_deps(){
1402 suf1=$1
1403 suf2=$2
1404 shift 2
1405 for v; do
1406 dep=${v%=*}
1407 tests=${v#*=}
1408 for name in ${tests}; do
1409 eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1410 done
1411 done
1412 }
1413
1414 test_deps _encoder _decoder \
1415 ac3 \
1416 adpcm_g726=g726 \
1417 adpcm_ima_qt \
1418 adpcm_ima_wav \
1419 adpcm_ms \
1420 adpcm_swf \
1421 adpcm_yamaha=adpcm_yam \
1422 alac \
1423 asv1 \
1424 asv2 \
1425 bmp \
1426 dnxhd="hdxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1427 dvvideo="dv dv50" \
1428 ffv1 \
1429 flac \
1430 flashsv \
1431 flv \
1432 gif \
1433 h261 \
1434 h263="h263 h263p" \
1435 huffyuv \
1436 jpegls \
1437 mjpeg="jpg mjpeg ljpeg" \
1438 mp2 \
1439 mpeg1video="mpeg mpeg1b" \
1440 mpeg2video="mpeg2 mpeg2thread" \
1441 mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc" \
1442 msmpeg4v3=msmpeg4 \
1443 msmpeg4v2 \
1444 pbm=pbmpipe \
1445 pcx \
1446 pgm="pgm pgmpipe" \
1447 ppm="ppm ppmpipe" \
1448 rawvideo="rgb yuv" \
1449 roq \
1450 rv10 \
1451 rv20 \
1452 sgi \
1453 snow="snow snowll" \
1454 svq1 \
1455 targa=tga \
1456 tiff \
1457 wmav1 \
1458 wmav2 \
1459 wmv1 \
1460 wmv2 \
1461
1462 test_deps _muxer _demuxer \
1463 aiff \
1464 pcm_alaw=alaw \
1465 asf \
1466 au \
1467 avi \
1468 dv=dv_fmt \
1469 ffm \
1470 flv=flv_fmt \
1471 gxf \
1472 matroska=mkv \
1473 mmf \
1474 mov \
1475 pcm_mulaw=mulaw \
1476 mxf \
1477 nut \
1478 ogg \
1479 rawvideo=pixfmt \
1480 rm \
1481 swf \
1482 mpegts=ts \
1483 voc \
1484 wav \
1485 yuv4mpegpipe=yuv4mpeg \
1486
1487 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1488 pixdesc_be_test_deps="bigendian"
1489 pixdesc_le_test_deps="!bigendian"
1490
1491 # default parameters
1492
1493 logfile="config.log"
1494
1495 # installation paths
1496 prefix_default="/usr/local"
1497 bindir_default='${prefix}/bin'
1498 datadir_default='${prefix}/share/ffmpeg'
1499 incdir_default='${prefix}/include'
1500 libdir_default='${prefix}/lib'
1501 mandir_default='${prefix}/share/man'
1502 shlibdir_default="$libdir_default"
1503
1504 # toolchain
1505 ar_default="ar"
1506 cc_default="gcc"
1507 cc_version=\"unknown\"
1508 host_cc_default="gcc"
1509 ln_s="ln -sf"
1510 nm_default="nm"
1511 objformat="elf"
1512 ranlib="ranlib"
1513 strip_default="strip"
1514 yasmexe="yasm"
1515 nogas=":"
1516
1517 nm_opts='-g'
1518
1519 # machine
1520 arch_default=$(uname -m)
1521 cpu="generic"
1522
1523 # OS
1524 target_os_default=$(tolower $(uname -s))
1525 host_os=$target_os_default
1526
1527 # configurable options
1528 enable avcodec
1529 enable avcore
1530 enable avdevice
1531 enable avfilter
1532 enable avformat
1533 enable avutil
1534 enable asm
1535 enable debug
1536 enable doc
1537 enable fastdiv
1538 enable ffmpeg
1539 enable ffplay
1540 enable ffprobe
1541 enable ffserver
1542 enable mpegaudio_hp
1543 enable network
1544 enable optimizations
1545 enable protocols
1546 enable static
1547 enable stripping
1548 enable swscale
1549 enable swscale_alpha
1550
1551 # build settings
1552 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1553 FFSERVERLDFLAGS=-Wl,-E
1554 LIBPREF="lib"
1555 LIBSUF=".a"
1556 FULLNAME='$(NAME)$(BUILDSUF)'
1557 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1558 SLIBPREF="lib"
1559 SLIBSUF=".so"
1560 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1561 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1562 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1563 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1564
1565 CC_O='-o $@'
1566
1567 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1568 host_libs='-lm'
1569
1570 target_path='$(CURDIR)'
1571
1572 # since the object filename is not given with the -MM flag, the compiler
1573 # is only able to print the basename, and we must add the path ourselves
1574 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1575 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1576
1577 # find source path
1578 source_path="$(dirname "$0")"
1579 enable source_path_used
1580 if test -f configure; then
1581 source_path="$(pwd)"
1582 disable source_path_used
1583 else
1584 source_path="$(cd "$source_path"; pwd)"
1585 echo "$source_path" | grep -q '[[:blank:]]' &&
1586 die "Out of tree builds are impossible with whitespace in source path."
1587 test -e "$source_path/config.h" &&
1588 die "Out of tree builds are impossible with config.h in source dir."
1589 fi
1590
1591 for v in "$@"; do
1592 r=${v#*=}
1593 l=${v%"$r"}
1594 r=$(sh_quote "$r")
1595 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1596 done
1597
1598 find_things(){
1599 thing=$1
1600 pattern=$2
1601 file=$source_path/$3
1602 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1603 }
1604
1605 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1606 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1607 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1608 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1609 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1610 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1611 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1612 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1613 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1614 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1615 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1616
1617 find_tests(){
1618 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1619 }
1620
1621 ACODEC_TESTS=$(find_tests acodec)
1622 VCODEC_TESTS=$(find_tests vsynth1)
1623 LAVF_TESTS=$(find_tests lavf)
1624 LAVFI_TESTS=$(find_tests lavfi)
1625 SEEK_TESTS=$(find_tests seek seek_)
1626
1627 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1628
1629 for n in $COMPONENT_LIST; do
1630 v=$(toupper ${n%s})_LIST
1631 eval enable \$$v
1632 eval ${n}_if_any="\$$v"
1633 done
1634
1635 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1636
1637 die_unknown(){
1638 echo "Unknown option \"$1\"."
1639 echo "See $0 --help for available options."
1640 exit 1
1641 }
1642
1643 show_list() {
1644 suffix=_$1
1645 shift
1646 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1647 exit 0
1648 }
1649
1650 for opt do
1651 optval="${opt#*=}"
1652 case "$opt" in
1653 --extra-ldflags=*) add_ldflags $optval
1654 ;;
1655 --extra-libs=*) add_extralibs $optval
1656 ;;
1657 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1658 ;;
1659 --enable-debug=*) debuglevel="$optval"
1660 ;;
1661 --disable-everything)
1662 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1663 ;;
1664 --enable-*=*|--disable-*=*)
1665 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1666 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1667 eval list=\$$(toupper $thing)_LIST
1668 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1669 $action $(filter "$name" $list)
1670 ;;
1671 --enable-?*|--disable-?*)
1672 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1673 if is_in $option $COMPONENT_LIST; then
1674 test $action = disable && action=unset
1675 eval $action \$$(toupper ${option%s})_LIST
1676 elif is_in $option $CMDLINE_SELECT; then
1677 $action $option
1678 else
1679 die_unknown $opt
1680 fi
1681 ;;
1682 --list-*)
1683 NAME="${opt#--list-}"
1684 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1685 NAME=${NAME%s}
1686 eval show_list $NAME \$$(toupper $NAME)_LIST
1687 ;;
1688 --help|-h) show_help
1689 ;;
1690 *)
1691 optname="${opt%%=*}"
1692 optname="${optname#--}"
1693 optname=$(echo "$optname" | sed 's/-/_/g')
1694 if is_in $optname $CMDLINE_SET; then
1695 eval $optname='$optval'
1696 elif is_in $optname $CMDLINE_APPEND; then
1697 append $optname "$optval"
1698 else
1699 die_unknown $opt
1700 fi
1701 ;;
1702 esac
1703 done
1704
1705 disabled logging && logfile=/dev/null
1706
1707 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1708 set >> $logfile
1709
1710 test -n "$cross_prefix" && enable cross_compile
1711
1712 if enabled cross_compile; then
1713 test -n "$arch" && test -n "$target_os" ||
1714 die "Must specify target arch and OS when cross-compiling"
1715 fi
1716
1717 set_default arch target_os
1718
1719 ar_default="${cross_prefix}${ar_default}"
1720 cc_default="${cross_prefix}${cc_default}"
1721 nm_default="${cross_prefix}${nm_default}"
1722 ranlib="${cross_prefix}${ranlib}"
1723 strip_default="${cross_prefix}${strip_default}"
1724
1725 sysinclude_default="${sysroot}/usr/include"
1726
1727 set_default cc nm strip sysinclude
1728 enabled cross_compile || host_cc_default=$cc
1729 set_default host_cc
1730
1731 exesuf() {
1732 case $1 in
1733 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1734 esac
1735 }
1736
1737 EXESUF=$(exesuf $target_os)
1738 HOSTEXESUF=$(exesuf $host_os)
1739
1740 # set temporary file name
1741 : ${TMPDIR:=$TEMPDIR}
1742 : ${TMPDIR:=$TMP}
1743 : ${TMPDIR:=/tmp}
1744
1745 if ! check_cmd type mktemp; then
1746 # simple replacement for missing mktemp
1747 # NOT SAFE FOR GENERAL USE
1748 mktemp(){
1749 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1750 }
1751 fi
1752
1753 tmpfile(){
1754 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1755 (set -C; exec > $tmp) 2>/dev/null ||
1756 die "Unable to create temporary file in $TMPDIR."
1757 append TMPFILES $tmp
1758 eval $1=$tmp
1759 }
1760
1761 trap 'rm -f -- $TMPFILES' EXIT
1762 trap exit HUP INT TERM
1763
1764 tmpfile TMPC .c
1765 tmpfile TMPE $EXESUF
1766 tmpfile TMPH .h
1767 tmpfile TMPO .o
1768 tmpfile TMPS .S
1769 tmpfile TMPV .ver
1770 tmpfile TMPSH .sh
1771
1772 unset -f mktemp
1773
1774 # make sure we can execute files in $TMPDIR
1775 cat > $TMPSH 2>> $logfile <<EOF
1776 #! /bin/sh
1777 EOF
1778 chmod +x $TMPSH >> $logfile 2>&1
1779 if ! $TMPSH >> $logfile 2>&1; then
1780 cat <<EOF
1781 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1782 variable to another directory and make sure that it is not mounted noexec.
1783 EOF
1784 die "Sanity test failed."
1785 fi
1786
1787 filter_cflags=echo
1788 filter_cppflags=echo
1789 filter_asflags=echo
1790
1791 if $cc -v 2>&1 | grep -qi ^gcc; then
1792 cc_type=gcc
1793 cc_version=__VERSION__
1794 if ! $cc -dumpversion | grep -q '^2\.'; then
1795 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1796 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1797 fi
1798 speed_cflags='-O3'
1799 size_cflags='-Os'
1800 elif $cc --version 2>/dev/null | grep -q Intel; then
1801 cc_type=icc
1802 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
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 speed_cflags='-O5'
1812 size_cflags='-O5 -qcompact'
1813 elif $cc -V 2>/dev/null | grep -q Compaq; then
1814 cc_type=ccc
1815 cc_version="AV_STRINGIFY(__DECC_VER)"
1816 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1817 debuglevel=3
1818 add_ldflags -Wl,-z,now # calls to libots crash without this
1819 speed_cflags='-fast'
1820 size_cflags='-O1'
1821 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1822 test -d "$sysroot" || die "No valid sysroot specified."
1823 cc_type=armcc
1824 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1825 armcc_conf="$PWD/armcc.conf"
1826 $cc --arm_linux_configure \
1827 --arm_linux_config_file="$armcc_conf" \
1828 --configure_sysroot="$sysroot" \
1829 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1830 die "Error creating armcc configuration file."
1831 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1832 as_default="${cross_prefix}gcc"
1833 CC_DEPFLAGS='-MMD'
1834 AS_DEPFLAGS='-MMD'
1835 speed_cflags='-O3'
1836 size_cflags='-Os'
1837 elif $cc -version 2>/dev/null | grep -q TMS470; then
1838 cc_type=tms470
1839 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1840 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1841 CC_O='-fr=$(@D)'
1842 as_default="${cross_prefix}gcc"
1843 ld_default="${cross_prefix}gcc"
1844 TMPO=$(basename $TMPC .c).o
1845 append TMPFILES $TMPO
1846 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1847 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1848 AS_DEPFLAGS='-MMD'
1849 speed_cflags='-O3 -mf=5'
1850 size_cflags='-O3 -mf=2'
1851 filter_cflags=tms470_flags
1852 tms470_flags(){
1853 for flag; do
1854 case $flag in
1855 -march=*|-mcpu=*)
1856 case "${flag#*=}" in
1857 armv7-a|cortex-a*) echo -mv=7a8 ;;
1858 armv7-r|cortex-r*) echo -mv=7r4 ;;
1859 armv7-m|cortex-m*) echo -mv=7m3 ;;
1860 armv6*|arm11*) echo -mv=6 ;;
1861 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1862 echo -mv=5e ;;
1863 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1864 esac
1865 ;;
1866 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1867 -mfpu=vfp) echo --float_support=vfpv2 ;;
1868 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1869 -msoft-float) echo --float_support=vfplib ;;
1870 -O[0-3]|-mf=*) echo $flag ;;
1871 -g) echo -g -mn ;;
1872 -pds=*) echo $flag ;;
1873 esac
1874 done
1875 }
1876 elif $cc -v 2>&1 | grep -q clang; then
1877 cc_type=clang
1878 $cc -dM -E $TMPC | grep -q __clang_version__ &&
1879 cc_version=__clang_version__ || cc_version=__VERSION__
1880 CC_DEPFLAGS='-MMD'
1881 AS_DEPFLAGS='-MMD'
1882 speed_cflags='-O3'
1883 size_cflags='-Os'
1884 elif $cc -V 2>&1 | grep -q Sun; then
1885 cc_type=suncc
1886 cc_version="AV_STRINGIFY(__SUNPRO_C)"
1887 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1888 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1889 speed_cflags='-O5'
1890 size_cflags='-O5 -xspace'
1891 filter_cflags=suncc_flags
1892 suncc_flags(){
1893 for flag; do
1894 case $flag in
1895 -march=*|-mcpu=*)
1896 case "${flag#*=}" in
1897 native) echo -xtarget=native ;;
1898 v9|niagara) echo -xarch=sparc ;;
1899 ultrasparc) echo -xarch=sparcvis ;;
1900 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
1901 i586|pentium) echo -xchip=pentium ;;
1902 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1903 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1904 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1905 pentium4*) echo -xtarget=pentium4 ;;
1906 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1907 *-sse3) echo -xarch=sse3 ;;
1908 core2) echo -xarch=ssse3 -xchip=core2 ;;
1909 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1910 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1911 k8|opteron|athlon64|athlon-fx)
1912 echo -xarch=sse2a ;;
1913 athlon*) echo -xarch=pentium_proa ;;
1914 esac
1915 ;;
1916 -std=c99) echo -xc99 ;;
1917 -fomit-frame-pointer) echo -xregs=frameptr ;;
1918 -fPIC) echo -KPIC -xcode=pic32 ;;
1919 -W*,*) echo $flag ;;
1920 -f*-*|-W*) ;;
1921 *) echo $flag ;;
1922 esac
1923 done
1924 }
1925 fi
1926
1927 test -n "$cc_type" && enable $cc_type ||
1928 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
1929
1930 : ${as_default:=$cc}
1931 : ${dep_cc_default:=$cc}
1932 : ${ld_default:=$cc}
1933 set_default ar as dep_cc ld
1934
1935 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1936 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1937
1938 add_cflags $extra_cflags
1939 add_asflags $extra_cflags
1940
1941 if test -n "$sysroot"; then
1942 case "$cc_type" in
1943 gcc)
1944 add_cppflags --sysroot="$sysroot"
1945 add_ldflags --sysroot="$sysroot"
1946 ;;
1947 tms470)
1948 add_cppflags -I"$sysinclude"
1949 add_ldflags --sysroot="$sysroot"
1950 ;;
1951 clang)
1952 add_cppflags -isysroot "$sysroot"
1953 add_ldflags -isysroot "$sysroot"
1954 ;;
1955 esac
1956 fi
1957
1958 if test "$cpu" = host; then
1959 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1960
1961 case "$cc_type" in
1962 gcc)
1963 check_native(){
1964 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1965 sed -n "/$1=/{
1966 s/.*$1=\\([^ ]*\\).*/\\1/
1967 p
1968 q
1969 }" $TMPE
1970 }
1971 cpu=$(check_native -march || check_native -mcpu)
1972 ;;
1973 esac
1974
1975 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1976 fi
1977
1978 # Deal with common $arch aliases
1979 case "$arch" in
1980 arm*)
1981 arch="arm"
1982 ;;
1983 mips|mipsel|IP*)
1984 arch="mips"
1985 ;;
1986 mips64*)
1987 arch="mips"
1988 subarch="mips64"
1989 ;;
1990 parisc|hppa)
1991 arch="parisc"
1992 ;;
1993 parisc64|hppa64)
1994 arch="parisc"
1995 subarch="parisc64"
1996 ;;
1997 "Power Macintosh"|ppc|powerpc)
1998 arch="ppc"
1999 ;;
2000 ppc64|powerpc64)
2001 arch="ppc"
2002 subarch="ppc64"
2003 ;;
2004 s390|s390x)
2005 arch="s390"
2006 ;;
2007 sh4|sh)
2008 arch="sh4"
2009 ;;
2010 sun4u|sparc64)
2011 arch="sparc"
2012 subarch="sparc64"
2013 ;;
2014 i[3-6]86|i86pc|BePC|x86_64|amd64)
2015 arch="x86"
2016 ;;
2017 esac
2018
2019 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2020 enable $arch
2021
2022 # Add processor-specific flags
2023 if test "$cpu" = generic; then
2024 : do nothing
2025 elif enabled ppc; then
2026
2027 case $(tolower $cpu) in
2028 601|ppc601|powerpc601)
2029 cpuflags="-mcpu=601"
2030 disable altivec
2031 ;;
2032 603*|ppc603*|powerpc603*)
2033 cpuflags="-mcpu=603"
2034 disable altivec
2035 ;;
2036 604*|ppc604*|powerpc604*)
2037 cpuflags="-mcpu=604"
2038 disable altivec
2039 ;;
2040 g3|75*|ppc75*|powerpc75*)
2041 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2042 disable altivec
2043 ;;
2044 g4|745*|ppc745*|powerpc745*)
2045 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2046 ;;
2047 74*|ppc74*|powerpc74*)
2048 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2049 ;;
2050 g5|970|ppc970|powerpc970|power4*)
2051 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2052 ;;
2053 cell)
2054 cpuflags="-mcpu=cell"
2055 enable ldbrx
2056 ;;
2057 e500v2)
2058 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2059 disable altivec
2060 ;;
2061 e500)
2062 cpuflags="-mcpu=8540 -mhard-float"
2063 disable altivec
2064 ;;
2065 esac
2066
2067 elif enabled x86; then
2068
2069 case $cpu in
2070 i[345]86|pentium)
2071 cpuflags="-march=$cpu"
2072 disable mmx
2073 ;;
2074 # targets that do NOT support conditional mov (cmov)
2075 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2076 cpuflags="-march=$cpu"
2077 disable cmov
2078 ;;
2079 # targets that do support conditional mov (cmov)
2080 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona)
2081 cpuflags="-march=$cpu"
2082 enable cmov
2083 enable fast_cmov
2084 ;;
2085 # targets that do support conditional mov but on which it's slow
2086 pentium4|pentium4m|prescott|nocona)
2087 cpuflags="-march=$cpu"
2088 enable cmov
2089 disable fast_cmov
2090 ;;
2091 esac
2092
2093 elif enabled sparc; then
2094
2095 case $cpu in
2096 niagara)
2097 cpuflags="-mcpu=$cpu"
2098 disable vis
2099 ;;
2100 sparc64)
2101 cpuflags="-mcpu=v9"
2102 ;;
2103 esac
2104
2105 elif enabled arm; then
2106
2107 case $cpu in
2108 armv*)
2109 cpuflags="-march=$cpu"
2110 ;;
2111 *)
2112 cpuflags="-mcpu=$cpu"
2113 ;;
2114 esac
2115
2116 elif enabled alpha; then
2117
2118 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2119
2120 elif enabled bfin; then
2121
2122 cpuflags="-mcpu=$cpu"
2123
2124 elif enabled mips; then
2125
2126 cpuflags="-march=$cpu"
2127
2128 elif enabled avr32; then
2129
2130 case $cpu in
2131 ap7[02]0[0-2])
2132 subarch="avr32_ap"
2133 cpuflags="-mpart=$cpu"
2134 ;;
2135 ap)
2136 subarch="avr32_ap"
2137 cpuflags="-march=$cpu"
2138 ;;
2139 uc3[ab]*)
2140 subarch="avr32_uc"
2141 cpuflags="-mcpu=$cpu"
2142 ;;
2143 uc)
2144 subarch="avr32_uc"
2145 cpuflags="-march=$cpu"
2146 ;;
2147 esac
2148
2149 fi
2150
2151 add_cflags $cpuflags
2152 add_asflags $cpuflags
2153
2154 # compiler sanity check
2155 check_exec <<EOF
2156 int main(void){ return 0; }
2157 EOF
2158 if test "$?" != 0; then
2159 echo "$cc is unable to create an executable file."
2160 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2161 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2162 echo "Only do this if you know what cross compiling means."
2163 fi
2164 die "C compiler test failed."
2165 fi
2166
2167 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2168 check_cflags -std=c99
2169 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2170 #include <stdlib.h>
2171 EOF
2172 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2173 #include <stdlib.h>
2174 EOF
2175
2176 check_host_cflags -std=c99
2177
2178 case "$arch" in
2179 alpha|ia64|mips|parisc|sparc)
2180 spic=$shared
2181 ;;
2182 x86)
2183 subarch="x86_32"
2184 check_cc <<EOF && subarch="x86_64"
2185 int test[(int)sizeof(char*) - 7];
2186 EOF
2187 if test "$subarch" = "x86_64"; then
2188 spic=$shared
2189 fi
2190 ;;
2191 esac
2192
2193 enable $subarch
2194 enabled spic && enable pic
2195
2196 # OS specific
2197 case $target_os in
2198 haiku)
2199 prefix_default="/boot/common"
2200 network_extralibs="-lnetwork"
2201 ;;
2202 sunos)
2203 FFSERVERLDFLAGS=""
2204 SHFLAGS='-shared -Wl,-h,$$(@F)'
2205 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2206 network_extralibs="-lsocket -lnsl"
2207 add_cppflags -D__EXTENSIONS__
2208 nm_opts='-P -g'
2209 ;;
2210 netbsd)
2211 oss_indev_extralibs="-lossaudio"
2212 oss_outdev_extralibs="-lossaudio"
2213 add_cppflags -D_XOPEN_SOURCE=600
2214 ;;
2215 openbsd)
2216 enable malloc_aligned
2217 # On OpenBSD 4.5. the compiler does not use PIC unless
2218 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2219 # however the generated executable will not do anything
2220 # (simply quits with exit-code 1, no crash, no output).
2221 # Thus explicitly enable PIC here.
2222 enable pic
2223 SHFLAGS='-shared'
2224 oss_indev_extralibs="-lossaudio"
2225 oss_outdev_extralibs="-lossaudio"
2226 ;;
2227 freebsd|dragonfly)
2228 enable malloc_aligned
2229 ;;
2230 bsd/os)
2231 add_extralibs -lpoll -lgnugetopt
2232 strip="strip -d"
2233 ;;
2234 darwin)
2235 enable malloc_aligned
2236 gas="gas-preprocessor.pl $cc"
2237 enabled ppc && add_asflags -force_cpusubtype_ALL
2238 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2239 strip="${strip} -x"
2240 add_ldflags -Wl,-dynamic,-search_paths_first
2241 SLIBSUF=".dylib"
2242 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2243 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2244 FFSERVERLDFLAGS=-Wl,-bind_at_load
2245 objformat="macho"
2246 enabled x86_64 && objformat="macho64"
2247 enabled_any pic shared ||
2248 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2249 ;;
2250 mingw32*)
2251 if test $target_os = "mingw32ce"; then
2252 disable network
2253 else
2254 target_os=mingw32
2255 fi
2256 LIBTARGET=i386
2257 if enabled x86_64; then
2258 enable malloc_aligned
2259 LIBTARGET=x64
2260 elif enabled arm; then
2261 LIBTARGET=arm
2262 fi
2263 shlibdir_default="$bindir_default"
2264 disable ffserver
2265 SLIBPREF=""
2266 SLIBSUF=".dll"
2267 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2268 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2269 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2270 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2271 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2272 install -d "$(LIBDIR)"; \
2273 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2274 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2275 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2276 objformat="win32"
2277 enable dos_paths
2278 check_cflags -fno-common
2279 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2280 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2281 die "ERROR: MinGW runtime version must be >= 3.15."
2282 ;;
2283 cygwin*)
2284 target_os=cygwin
2285 shlibdir_default="$bindir_default"
2286 SLIBPREF="cyg"
2287 SLIBSUF=".dll"
2288 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2289 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2290 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2291 objformat="win32"
2292 enable dos_paths
2293 check_cflags -fno-common
2294 ;;
2295 *-dos|freedos|opendos)
2296 disable ffplay ffserver
2297 disable $INDEV_LIST $OUTDEV_LIST
2298 network_extralibs="-lsocket"
2299 objformat="coff"
2300 enable dos_paths
2301 ;;
2302 linux)
2303 enable dv1394
2304 ;;
2305 irix*)
2306 target_os=irix
2307 ranlib="echo ignoring ranlib"
2308 ;;
2309 os/2*)
2310 strip="lxlite"
2311 ln_s="cp -f"
2312 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2313 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2314 FFSERVERLDFLAGS=""
2315 LIBSUF="_s.a"
2316 SLIBPREF=""
2317 SLIBSUF=".dll"
2318 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2319 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2320 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2321 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2322 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2323 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2324 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2325 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2326 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2327 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2328 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2329 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2330 enable dos_paths
2331 ;;
2332 gnu/kfreebsd)
2333 ;;
2334 gnu)
2335 ;;
2336 none)
2337 ;;
2338 *)
2339 die "Unknown OS '$target_os'."
2340 ;;
2341 esac
2342
2343 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2344
2345 set_default $PATHS_LIST
2346
2347 # we need to build at least one lib type
2348 if ! enabled_any static shared; then
2349 cat <<EOF
2350 At least one library type must be built.
2351 Specify --enable-static to build the static libraries or --enable-shared to
2352 build the shared libraries as well. To only build the shared libraries specify
2353 --disable-static in addition to --enable-shared.
2354 EOF
2355 exit 1;
2356 fi
2357
2358 disabled static && LIBNAME=""
2359
2360 die_license_disabled() {
2361 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2362 }
2363
2364 die_license_disabled gpl libx264
2365 die_license_disabled gpl libxvid
2366 die_license_disabled gpl postproc
2367 die_license_disabled gpl x11grab
2368
2369 die_license_disabled nonfree libfaac
2370
2371 die_license_disabled version3 libopencore_amrnb
2372 die_license_disabled version3 libopencore_amrwb
2373
2374 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2375
2376 check_deps $ARCH_EXT_LIST
2377
2378 disabled optimizations || check_cflags -fomit-frame-pointer
2379
2380 enable_pic() {
2381 enable pic
2382 add_cppflags -DPIC
2383 add_cflags -fPIC
2384 add_asflags -fPIC
2385 }
2386
2387 enabled pic && enable_pic
2388
2389 check_cc <<EOF || die "Symbol mangling check failed."
2390 int ff_extern;
2391 EOF
2392 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2393 extern_prefix=${sym%%ff_extern*}
2394
2395 check_cc <<EOF && enable inline_asm
2396 void foo(void) { __asm__ volatile ("" ::); }
2397 EOF
2398
2399 _restrict=
2400 for restrict_keyword in restrict __restrict__ __restrict; do
2401 check_cc <<EOF && _restrict=$restrict_keyword && break
2402 void foo(char * $restrict_keyword p);
2403 EOF
2404 done
2405
2406 check_cc <<EOF && enable attribute_packed
2407 struct { int x; } __attribute__((packed)) x;
2408 EOF
2409
2410 check_cc <<EOF && enable attribute_may_alias
2411 union { int x; } __attribute__((may_alias)) x;
2412 EOF
2413
2414 check_cc <<EOF || die "endian test failed"
2415 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2416 EOF
2417 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2418
2419 if enabled alpha; then
2420
2421 check_cflags -mieee
2422
2423 elif enabled arm; then
2424
2425 check_cflags -marm
2426 nogas=die
2427
2428 check_ld <<EOF && enable vfp_args
2429 __asm__ (".eabi_attribute 28, 1");
2430 int main(void) { return 0; }
2431 EOF
2432
2433 # We have to check if pld is a nop and disable it.
2434 check_asm pld '"pld [r0]"'
2435
2436 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2437 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2438 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2439 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2440 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2441 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2442
2443 enabled_all armv6t2 shared !pic && enable_pic
2444
2445 elif enabled mips; then
2446
2447 check_asm loongson '"dmult.g $1, $2, $3"'
2448 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2449
2450 elif enabled ppc; then
2451
2452 enable local_aligned_8 local_aligned_16
2453
2454 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2455 check_asm ibm_asm '"add 0, 0, 0"'
2456 check_asm ppc4xx '"maclhw r10, r11, r12"'
2457 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2458
2459 # AltiVec flags: The FSF version of GCC differs from the Apple version
2460 if enabled altivec; then
2461 nogas=warn
2462 check_cflags -maltivec -mabi=altivec &&
2463 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2464 check_cflags -faltivec
2465
2466 # check if our compiler supports Motorola AltiVec C API
2467 check_cc <<EOF || disable altivec
2468 $inc_altivec_h
2469 int main(void) {
2470 vector signed int v1, v2, v3;
2471 v1 = vec_add(v2,v3);
2472 return 0;
2473 }
2474 EOF
2475
2476 # check if our compiler supports braces for vector declarations
2477 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2478 $inc_altivec_h
2479 int main (void) { (vector int) {1}; return 0; }
2480 EOF
2481 fi
2482
2483 elif enabled sparc; then
2484
2485 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2486 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2487
2488 elif enabled x86; then
2489
2490 enable local_aligned_8 local_aligned_16
2491
2492 # check whether EBP is available on x86
2493 # As 'i' is stored on the stack, this program will crash
2494 # if the base pointer is used to access it because the
2495 # base pointer is cleared in the inline assembly code.
2496 check_exec_crash <<EOF && enable ebp_available
2497 volatile int i=0;
2498 __asm__ volatile (
2499 "xorl %%ebp, %%ebp"
2500 ::: "%ebp");
2501 return i;
2502 EOF
2503
2504 # check whether EBX is available on x86
2505 check_asm ebx_available '""::"b"(0)' &&
2506 check_asm ebx_available '"":::"%ebx"'
2507
2508 # check whether more than 10 operands are supported
2509 check_cc <<EOF && enable ten_operands
2510 int main(void) {
2511 int x=0;
2512 __asm__ volatile(
2513 ""
2514 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2515 );
2516 return 0;
2517 }
2518 EOF
2519
2520 # check whether binutils is new enough to compile SSSE3/MMX2
2521 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2522 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2523
2524 check_asm bswap '"bswap %%eax" ::: "%eax"'
2525
2526 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2527 enabled x86_64 && append YASMFLAGS "-m amd64"
2528 enabled pic && append YASMFLAGS "-DPIC"
2529 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2530 case "$objformat" in
2531 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2532 esac
2533 if ! disabled yasm; then
2534 check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2535 warn "yasm not found, performance will suffer"
2536 fi
2537
2538 case "$cpu" in
2539 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2540 disable fast_clz
2541 ;;
2542 esac
2543
2544 fi
2545
2546 if enabled asm; then
2547 as=${gas:=$as}
2548 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2549 $nogas "GNU assembler not found, install gas-preprocessor"
2550 fi
2551
2552 if check_func dlopen; then
2553 ldl=
2554 elif check_func dlopen -ldl; then
2555 ldl=-ldl
2556 fi
2557
2558 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2559 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2560
2561 check_func fcntl
2562 check_func fork
2563 check_func getaddrinfo $network_extralibs
2564 check_func gethrtime
2565 check_func getrusage
2566 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2567 check_func inet_aton $network_extralibs
2568 check_func isatty
2569 check_func ${malloc_prefix}memalign && enable memalign
2570 check_func mkstemp
2571 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2572 check_func setrlimit
2573 check_func strerror_r
2574 check_func_headers io.h setmode
2575 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2576 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2577 check_func_headers windows.h GetProcessTimes
2578 check_func_headers windows.h VirtualAlloc
2579
2580 check_header conio.h
2581 check_header dlfcn.h
2582 check_header dxva2api.h
2583 check_header malloc.h
2584 check_header poll.h
2585 check_header sys/mman.h
2586 check_header sys/resource.h
2587 check_header sys/select.h
2588 check_header termios.h
2589 check_header vdpau/vdpau.h
2590 check_header vdpau/vdpau_x11.h
2591 check_header X11/extensions/XvMClib.h
2592
2593 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2594
2595 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2596 enabled_any $need_memalign ; then
2597 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2598 fi
2599
2600 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2601 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2602
2603 # check for some common methods of building with pthread support
2604 # do this before the optional library checks as some of them require pthreads
2605 if ! disabled pthreads && ! enabled w32threads; then
2606 enable pthreads
2607 if check_func pthread_create; then
2608 :
2609 elif check_func pthread_create -pthread; then
2610 add_cflags -pthread
2611 add_extralibs -pthread
2612 elif check_func pthread_create -pthreads; then
2613 add_cflags -pthreads
2614 add_extralibs -pthreads
2615 elif check_func pthread_create -lpthreadGC2; then
2616 add_extralibs -lpthreadGC2
2617 elif ! check_lib pthread.h pthread_create -lpthread; then
2618 disable pthreads
2619 fi
2620 fi
2621
2622 for thread in $THREADS_LIST; do
2623 if enabled $thread; then
2624 test -n "$thread_type" &&
2625 die "ERROR: Only one thread type must be selected." ||
2626 thread_type="$thread"
2627 fi
2628 done
2629
2630 check_lib math.h sin -lm
2631 disabled vaapi || check_lib va/va.h vaInitialize -lva
2632
2633 check_mathfunc exp2
2634 check_mathfunc exp2f
2635 check_mathfunc llrint
2636 check_mathfunc llrintf
2637 check_mathfunc log2
2638 check_mathfunc log2f
2639 check_mathfunc lrint
2640 check_mathfunc lrintf
2641 check_mathfunc round
2642 check_mathfunc roundf
2643 check_mathfunc truncf
2644
2645 # these are off by default, so fail if requested and not available
2646 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2647 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2648 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2649 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2650 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2651 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2652 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame
2653 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2654 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2655 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2656 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2657 enabled librtmp && { check_lib librtmp/rtmp.h RTMP_Socket $(pkg-config --libs librtmp) ||
2658 die "ERROR: librtmp not found or RTMP_Socket() missing, librtmp version must be >= 2.2.f"; }
2659 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2660 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2661 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2662 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2663 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2664 enabled libvpx && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx &&
2665 check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2666 die "ERROR: libvpx version must be >=0.9.1"; }
2667 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2668 { check_cpp_condition x264.h "X264_BUILD >= 98" ||
2669 die "ERROR: libx264 version must be >= 0.98."; }
2670 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2671 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2672
2673 # libdc1394 check
2674 if enabled libdc1394; then
2675 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2676 enable libdc1394_2; } ||
2677 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2678 enable libdc1394_1; } ||
2679 die "ERROR: No version of libdc1394 found "
2680 fi
2681
2682 SDL_CONFIG="${cross_prefix}sdl-config"
2683 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2684 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2685 sdl_libs=$("${SDL_CONFIG}" --libs)
2686 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2687 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2688 enable sdl &&
2689 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2690 fi
2691
2692 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2693
2694 if enabled network; then
2695 check_type "sys/types.h sys/socket.h" socklen_t
2696 check_type netdb.h "struct addrinfo"
2697 check_type netinet/in.h "struct ipv6_mreq"
2698 check_type netinet/in.h "struct sockaddr_in6"
2699 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2700 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2701 # Prefer arpa/inet.h over winsock2
2702 if check_header arpa/inet.h ; then
2703 check_func closesocket
2704 elif check_header winsock2.h ; then
2705 check_func_headers winsock2.h closesocket -lws2 && \
2706 network_extralibs="-lws2" || \
2707 { check_func_headers winsock2.h closesocket -lws2_32 && \
2708 network_extralibs="-lws2_32"; }
2709 check_type ws2tcpip.h socklen_t
2710 check_type ws2tcpip.h "struct addrinfo"
2711 check_type ws2tcpip.h "struct ipv6_mreq"
2712 check_type ws2tcpip.h "struct sockaddr_in6"
2713 check_type ws2tcpip.h "struct sockaddr_storage"
2714 check_struct winsock2.h "struct sockaddr" sa_len
2715 else
2716 disable network
2717 fi
2718 fi
2719
2720 check_header linux/videodev.h
2721 check_header linux/videodev2.h
2722 check_header sys/videoio.h
2723
2724 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2725 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2726 # w32api 3.12 had it defined wrong
2727 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2728
2729 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2730 { check_header dev/bktr/ioctl_meteor.h &&
2731 check_header dev/bktr/ioctl_bt848.h; } ||
2732 { check_header machine/ioctl_meteor.h &&
2733 check_header machine/ioctl_bt848.h; } ||
2734 { check_header dev/video/meteor/ioctl_meteor.h &&
2735 check_header dev/video/bktr/ioctl_bt848.h; } ||
2736 check_header dev/ic/bt8xx.h
2737
2738 check_header sys/soundcard.h
2739 check_header soundcard.h
2740
2741 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2742
2743 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2744
2745 enabled x11grab &&
2746 check_header X11/Xlib.h &&
2747 check_header X11/extensions/XShm.h &&
2748 check_header X11/extensions/Xfixes.h &&
2749 check_func XOpenDisplay -lX11 &&
2750 check_func XShmCreateImage -lX11 -lXext &&
2751 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2752
2753 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2754 check_cpp_condition \
2755 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2756 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2757 disable vdpau; }
2758 fi
2759
2760 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2761
2762 # add some useful compiler flags if supported
2763 check_cflags -Wdeclaration-after-statement
2764 check_cflags -Wall
2765 check_cflags -Wno-switch
2766 check_cflags -Wdisabled-optimization
2767 check_cflags -Wpointer-arith
2768 check_cflags -Wredundant-decls
2769 check_cflags -Wno-pointer-sign
2770 check_cflags -Wcast-qual
2771 check_cflags -Wwrite-strings
2772 check_cflags -Wtype-limits
2773 check_cflags -Wundef
2774 check_cflags -Wmissing-prototypes
2775 enabled extra_warnings && check_cflags -Winline
2776
2777 # add some linker flags
2778 check_ldflags -Wl,--warn-common
2779 check_ldflags -Wl,--as-needed
2780 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'
2781 check_ldflags -Wl,-Bsymbolic
2782
2783 echo "X{};" > $TMPV
2784 if test_ldflags -Wl,--version-script,$TMPV; then
2785 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2786 check_cc <<EOF && enable symver_asm_label
2787 void ff_foo(void) __asm__ ("av_foo@VERSION");
2788 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2789 EOF
2790 check_cc <<EOF && enable symver_gnu_asm
2791 __asm__(".symver ff_foo,av_foo@VERSION");
2792 void ff_foo(void) {}
2793 EOF
2794 fi
2795
2796 if enabled small; then
2797 add_cflags $size_cflags
2798 optimizations="small"
2799 elif enabled optimizations; then
2800 add_cflags $speed_cflags
2801 else
2802 add_cflags $noopt_cflags
2803 fi
2804 check_cflags -fno-math-errno
2805 check_cflags -fno-signed-zeros
2806
2807 if enabled icc; then
2808 # Just warnings, no remarks
2809 check_cflags -w1
2810 # -wd: Disable following warnings
2811 # 144, 167, 556: -Wno-pointer-sign
2812 # 10006: ignoring unknown option -fno-signed-zeros
2813 # 10156: ignoring option '-W'; no argument required
2814 check_cflags -wd144,167,556,10006,10156
2815 # 11030: Warning unknown option --as-needed
2816 # 10156: ignoring option '-export'; no argument required
2817 check_ldflags -wd10156,11030
2818 # Allow to compile with optimizations
2819 check_ldflags -march=$cpu
2820 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2821 enable ebp_available
2822 elif enabled ccc; then
2823 # disable some annoying warnings
2824 add_cflags -msg_disable cvtu32to64
2825 add_cflags -msg_disable embedcomment
2826 add_cflags -msg_disable needconstext
2827 add_cflags -msg_disable nomainieee
2828 add_cflags -msg_disable ptrmismatch1
2829 add_cflags -msg_disable unreachcode
2830 elif enabled gcc; then
2831 check_cflags -fno-tree-vectorize
2832 check_cflags -Werror=implicit-function-declaration
2833 check_cflags -Werror=missing-prototypes
2834 elif enabled clang; then
2835 check_cflags -Qunused-arguments
2836 elif enabled armcc; then
2837 # 2523: use of inline assembler is deprecated
2838 add_cflags -Wrvct,--diag_suppress=2523
2839 add_cflags -Wrvct,--diag_suppress=1207
2840 elif enabled tms470; then
2841 add_cflags -pds=824 -pds=837
2842 fi
2843
2844 enabled_any $THREADS_LIST && enable threads
2845
2846 check_deps $CONFIG_LIST \
2847 $CONFIG_EXTRA \
2848 $HAVE_LIST \
2849 $DECODER_LIST \
2850 $ENCODER_LIST \
2851 $HWACCEL_LIST \
2852 $PARSER_LIST \
2853 $BSF_LIST \
2854 $DEMUXER_LIST \
2855 $MUXER_LIST \
2856 $FILTER_LIST \
2857 $INDEV_LIST \
2858 $OUTDEV_LIST \
2859 $PROTOCOL_LIST \
2860 $ACODEC_TESTS \
2861 $VCODEC_TESTS \
2862 $LAVF_TESTS \
2863 $LAVFI_TESTS \
2864 $SEEK_TESTS \
2865
2866 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
2867
2868 echo "install prefix $prefix"
2869 echo "source path $source_path"
2870 echo "C compiler $cc"
2871 echo "ARCH $arch ($cpu)"
2872 if test "$build_suffix" != ""; then
2873 echo "build suffix $build_suffix"
2874 fi
2875 if test "$extra_version" != ""; then
2876 echo "version string suffix $extra_version"
2877 fi
2878 echo "big-endian ${bigendian-no}"
2879 echo "runtime cpu detection ${runtime_cpudetect-no}"
2880 if enabled x86; then
2881 echo "yasm ${yasm-no}"
2882 echo "MMX enabled ${mmx-no}"
2883 echo "MMX2 enabled ${mmx2-no}"
2884 echo "3DNow! enabled ${amd3dnow-no}"
2885 echo "3DNow! extended enabled ${amd3dnowext-no}"
2886 echo "SSE enabled ${sse-no}"
2887 echo "SSSE3 enabled ${ssse3-no}"
2888 echo "CMOV enabled ${cmov-no}"
2889 echo "CMOV is fast ${fast_cmov-no}"
2890 echo "EBX available ${ebx_available-no}"
2891 echo "EBP available ${ebp_available-no}"
2892 echo "10 operands supported ${ten_operands-no}"
2893 fi
2894 if enabled arm; then
2895 echo "ARMv5TE enabled ${armv5te-no}"
2896 echo "ARMv6 enabled ${armv6-no}"
2897 echo "ARMv6T2 enabled ${armv6t2-no}"
2898 echo "ARM VFP enabled ${armvfp-no}"
2899 echo "IWMMXT enabled ${iwmmxt-no}"
2900 echo "NEON enabled ${neon-no}"
2901 fi
2902 if enabled mips; then
2903 echo "MMI enabled ${mmi-no}"
2904 fi
2905 if enabled ppc; then
2906 echo "AltiVec enabled ${altivec-no}"
2907 echo "PPC 4xx optimizations ${ppc4xx-no}"
2908 echo "dcbzl available ${dcbzl-no}"
2909 fi
2910 if enabled sparc; then
2911 echo "VIS enabled ${vis-no}"
2912 fi
2913 echo "debug symbols ${debug-no}"
2914 echo "strip symbols ${stripping-no}"
2915 echo "optimizations ${optimizations-no}"
2916 echo "static ${static-no}"
2917 echo "shared ${shared-no}"
2918 echo "postprocessing support ${postproc-no}"
2919 echo "new filter support ${avfilter-no}"
2920 echo "filters using lavformat ${avfilter_lavf-no}"
2921 echo "network support ${network-no}"
2922 echo "threading support ${thread_type-no}"
2923 echo "SDL support ${sdl-no}"
2924 echo "Sun medialib support ${mlib-no}"
2925 echo "AVISynth enabled ${avisynth-no}"
2926 echo "libdc1394 support ${libdc1394-no}"
2927 echo "libdirac enabled ${libdirac-no}"
2928 echo "libfaac enabled ${libfaac-no}"
2929 echo "libgsm enabled ${libgsm-no}"
2930 echo "libmp3lame enabled ${libmp3lame-no}"
2931 echo "libnut enabled ${libnut-no}"
2932 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2933 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2934 echo "libopenjpeg enabled ${libopenjpeg-no}"
2935 echo "librtmp enabled ${librtmp-no}"
2936 echo "libschroedinger enabled ${libschroedinger-no}"
2937 echo "libspeex enabled ${libspeex-no}"
2938 echo "libtheora enabled ${libtheora-no}"
2939 echo "libvorbis enabled ${libvorbis-no}"
2940 echo "libvpx enabled ${libvpx-no}"
2941 echo "libx264 enabled ${libx264-no}"
2942 echo "libxvid enabled ${libxvid-no}"
2943 echo "zlib enabled ${zlib-no}"
2944 echo "bzlib enabled ${bzlib-no}"
2945 echo
2946
2947 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2948 echo "Enabled ${type}s:"
2949 eval list=\$$(toupper $type)_LIST
2950 print_enabled '_*' $list | sort | pr -3 -t
2951 echo
2952 done
2953
2954 license="LGPL version 2.1 or later"
2955 if enabled nonfree; then
2956 license="nonfree and unredistributable"
2957 elif enabled gplv3; then
2958 license="GPL version 3 or later"
2959 elif enabled lgplv3; then
2960 license="LGPL version 3 or later"
2961 elif enabled gpl; then
2962 license="GPL version 2 or later"
2963 fi
2964
2965 echo "License: $license"
2966
2967 echo "Creating config.mak and config.h..."
2968
2969 # build tree in object directory if source path is different from current one
2970 if enabled source_path_used; then
2971 DIRS="
2972 doc
2973 libavcodec
2974 libavcodec/$arch
2975 libavcore
2976 libavdevice
2977 libavfilter
2978 libavformat
2979 libavutil
2980 libavutil/$arch
2981 libpostproc
2982 libswscale
2983 libswscale/$arch
2984 tests
2985 tools
2986 "
2987 FILES="
2988 Makefile
2989 common.mak
2990 subdir.mak
2991 doc/texi2pod.pl
2992 libavcodec/Makefile
2993 libavcodec/${arch}/Makefile
2994 libavcore/Makefile
2995 libavdevice/Makefile
2996 libavfilter/Makefile
2997 libavformat/Makefile
2998 libavutil/Makefile
2999 libpostproc/Makefile
3000 libswscale/Makefile
3001 "
3002 map 'mkdir -p $v' $DIRS;
3003 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
3004 fi
3005
3006 enabled stripping || strip="echo skipping strip"
3007
3008 cat > config.mak <<EOF
3009 # Automatically generated by configure - do not modify!
3010 ifndef FFMPEG_CONFIG_MAK
3011 FFMPEG_CONFIG_MAK=1
3012 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3013 prefix=$prefix
3014 LIBDIR=\$(DESTDIR)$libdir
3015 SHLIBDIR=\$(DESTDIR)$shlibdir
3016 INCDIR=\$(DESTDIR)$incdir
3017 BINDIR=\$(DESTDIR)$bindir
3018 DATADIR=\$(DESTDIR)$datadir
3019 MANDIR=\$(DESTDIR)$mandir
3020 SRC_PATH="$source_path"
3021 SRC_PATH_BARE=$source_path
3022 BUILD_ROOT="$PWD"
3023 ARCH=$arch
3024 CC=$cc
3025 AS=$as
3026 LD=$ld
3027 DEPCC=$dep_cc
3028 YASM=$yasmexe
3029 YASMDEP=$yasmexe
3030 AR=$ar
3031 RANLIB=$ranlib
3032 CP=cp -p
3033 LN_S=$ln_s
3034 STRIP=$strip
3035 CPPFLAGS=$CPPFLAGS
3036 CFLAGS=$CFLAGS
3037 ASFLAGS=$ASFLAGS
3038 CC_O=$CC_O
3039 LDFLAGS=$LDFLAGS
3040 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3041 SHFLAGS=$SHFLAGS
3042 YASMFLAGS=$YASMFLAGS
3043 BUILDSUF=$build_suffix
3044 FULLNAME=$FULLNAME
3045 LIBPREF=$LIBPREF
3046 LIBSUF=$LIBSUF
3047 LIBNAME=$LIBNAME
3048 SLIBPREF=$SLIBPREF
3049 SLIBSUF=$SLIBSUF
3050 EXESUF=$EXESUF
3051 EXTRA_VERSION=$extra_version
3052 DEPFLAGS=$DEPFLAGS
3053 CCDEP=$CCDEP
3054 ASDEP=$ASDEP
3055 CC_DEPFLAGS=$CC_DEPFLAGS
3056 AS_DEPFLAGS=$AS_DEPFLAGS
3057 HOSTCC=$host_cc
3058 HOSTCFLAGS=$host_cflags
3059 HOSTEXESUF=$HOSTEXESUF
3060 HOSTLDFLAGS=$host_ldflags
3061 HOSTLIBS=$host_libs
3062 TARGET_EXEC=$target_exec
3063 TARGET_PATH=$target_path
3064 SDL_LIBS=$sdl_libs
3065 SDL_CFLAGS=$sdl_cflags
3066 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3067 EXTRALIBS=$extralibs
3068 INSTALL=install
3069 LIBTARGET=${LIBTARGET}
3070 SLIBNAME=${SLIBNAME}
3071 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3072 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3073 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3074 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3075 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3076 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3077 SAMPLES=$samples
3078 EOF
3079
3080 get_version(){
3081 name=$1
3082 file=$source_path/$2
3083 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3084 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3085 lcname=$(tolower $name)
3086 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3087 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3088 }
3089
3090 get_version LIBSWSCALE libswscale/swscale.h
3091 get_version LIBPOSTPROC libpostproc/postprocess.h
3092 get_version LIBAVCODEC libavcodec/avcodec.h
3093 get_version LIBAVCORE libavcore/avcore.h
3094 get_version LIBAVDEVICE libavdevice/avdevice.h
3095 get_version LIBAVFORMAT libavformat/avformat.h
3096 get_version LIBAVUTIL libavutil/avutil.h
3097 get_version LIBAVFILTER libavfilter/avfilter.h
3098
3099 cat > $TMPH <<EOF
3100 /* Automatically generated by configure - do not modify! */
3101 #ifndef FFMPEG_CONFIG_H
3102 #define FFMPEG_CONFIG_H
3103 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3104 #define FFMPEG_LICENSE "$(c_escape $license)"
3105 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3106 #define CC_TYPE "$cc_type"
3107 #define CC_VERSION $cc_version
3108 #define restrict $_restrict
3109 #define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
3110 #define EXTERN_PREFIX "${extern_prefix}"
3111 #define EXTERN_ASM ${extern_prefix}
3112 EOF
3113
3114 test -n "$malloc_prefix" &&
3115 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3116
3117 if enabled small || disabled optimizations; then
3118 echo "#undef av_always_inline" >> $TMPH
3119 echo "#define av_always_inline" >> $TMPH
3120 fi
3121
3122 print_config ARCH_ $TMPH config.mak $ARCH_LIST
3123 print_config HAVE_ $TMPH config.mak $HAVE_LIST
3124 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
3125 $CONFIG_EXTRA \
3126 $DECODER_LIST \
3127 $ENCODER_LIST \
3128 $HWACCEL_LIST \
3129 $PARSER_LIST \
3130 $BSF_LIST \
3131 $DEMUXER_LIST \
3132 $MUXER_LIST \
3133 $FILTER_LIST \
3134 $PROTOCOL_LIST \
3135 $INDEV_LIST \
3136 $OUTDEV_LIST \
3137
3138 cat >>config.mak <<EOF
3139 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3140 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3141 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3142 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3143 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3144 EOF
3145
3146 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3147 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3148
3149 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3150 cp_if_changed $TMPH config.h
3151 touch .config
3152
3153 cat > $TMPH <<EOF
3154 /* Generated by ffconf */
3155 #ifndef AVUTIL_AVCONFIG_H
3156 #define AVUTIL_AVCONFIG_H
3157 EOF
3158
3159 print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3160
3161 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3162
3163 cp_if_changed $TMPH libavutil/avconfig.h
3164
3165 test -n "$WARNINGS" && printf "\n$WARNINGS"
3166
3167 # build pkg-config files
3168
3169 pkgconfig_generate(){
3170 name=$1
3171 shortname=${name#lib}${build_suffix}
3172 comment=$2
3173 version=$3
3174 libs=$4
3175 requires=$5
3176 cat <<EOF > $name/$name.pc
3177 prefix=$prefix
3178 exec_prefix=\${prefix}
3179 libdir=$libdir
3180 includedir=$incdir
3181
3182 Name: $name
3183 Description: $comment
3184 Version: $version
3185 Requires: $(enabled shared || echo $requires)
3186 Requires.private: $(enabled shared && echo $requires)
3187 Conflicts:
3188 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3189 Libs.private: $(enabled shared && echo $libs)
3190 Cflags: -I\${includedir}
3191 EOF
3192 cat <<EOF > $name/$name-uninstalled.pc
3193 prefix=
3194 exec_prefix=
3195 libdir=\${pcfiledir}
3196 includedir=${source_path}
3197
3198 Name: $name
3199 Description: $comment
3200 Version: $version
3201 Requires: $requires
3202 Conflicts:
3203 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3204 Cflags: -I\${includedir}
3205 EOF
3206 }
3207
3208 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3209 pkgconfig_generate libavcore "FFmpeg multimedia shared core utilities library" "$LIBAVCORE_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3210 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3211 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3212 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3213 enabled avfilter &&
3214 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3215 enabled postproc &&
3216 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3217 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"