Split libvpx check into decoder and encoder check.
[libav.git] / configure
1 #!/bin/sh
2 #
3 # FFmpeg configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
43 fi
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
54 exit 1
55 fi
56
57 show_help(){
58 cat <<EOF
59 Usage: configure [options]
60 Options: [defaults in brackets after descriptions]
61
62 Standard options:
63 --help print this message
64 --logfile=FILE log tests and output to FILE [config.log]
65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74 Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-ffplay disable ffplay build
85 --disable-ffprobe disable ffprobe build
86 --disable-ffserver disable ffserver build
87 --disable-avdevice disable libavdevice build
88 --disable-avcodec disable libavcodec build
89 --disable-avcore disable libavcore build
90 --disable-avformat disable libavformat build
91 --disable-swscale disable libswscale build
92 --enable-postproc enable GPLed postprocessing support [no]
93 --disable-avfilter disable video filter support [no]
94 --disable-pthreads disable pthreads [auto]
95 --enable-w32threads use Win32 threads [no]
96 --enable-x11grab enable X11 grabbing [no]
97 --disable-network disable network support [no]
98 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
99 --enable-gray enable full grayscale support (slower color)
100 --disable-swscale-alpha disable alpha channel support in swscale
101 --disable-fastdiv disable table-based division
102 --enable-small optimize for size instead of speed
103 --disable-aandct disable AAN DCT code
104 --disable-dct disable DCT code
105 --disable-fft disable FFT code
106 --disable-golomb disable Golomb code
107 --disable-huffman disable Huffman code
108 --disable-lpc disable LPC code
109 --disable-mdct disable MDCT code
110 --disable-rdft disable RDFT code
111 --disable-vaapi disable VAAPI code
112 --disable-vdpau disable VDPAU code
113 --disable-dxva2 disable DXVA2 code
114 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
115 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
116 --enable-memalign-hack emulate memalign, interferes with memory debuggers
117 --disable-everything disable all components listed below
118 --disable-encoder=NAME disable encoder NAME
119 --enable-encoder=NAME enable encoder NAME
120 --disable-encoders disable all encoders
121 --disable-decoder=NAME disable decoder NAME
122 --enable-decoder=NAME enable decoder NAME
123 --disable-decoders disable all decoders
124 --disable-hwaccel=NAME disable hwaccel NAME
125 --enable-hwaccel=NAME enable hwaccel NAME
126 --disable-hwaccels disable all hwaccels
127 --disable-muxer=NAME disable muxer NAME
128 --enable-muxer=NAME enable muxer NAME
129 --disable-muxers disable all muxers
130 --disable-demuxer=NAME disable demuxer NAME
131 --enable-demuxer=NAME enable demuxer NAME
132 --disable-demuxers disable all demuxers
133 --enable-parser=NAME enable parser NAME
134 --disable-parser=NAME disable parser NAME
135 --disable-parsers disable all parsers
136 --enable-bsf=NAME enable bitstream filter NAME
137 --disable-bsf=NAME disable bitstream filter NAME
138 --disable-bsfs disable all bitstream filters
139 --enable-protocol=NAME enable protocol NAME
140 --disable-protocol=NAME disable protocol NAME
141 --disable-protocols disable all protocols
142 --disable-indev=NAME disable input device NAME
143 --disable-outdev=NAME disable output device NAME
144 --disable-indevs disable input devices
145 --disable-outdevs disable output devices
146 --disable-devices disable all devices
147 --enable-filter=NAME enable filter NAME
148 --disable-filter=NAME disable filter NAME
149 --disable-filters disable all filters
150 --list-decoders show all available decoders
151 --list-encoders show all available encoders
152 --list-hwaccels show all available hardware accelerators
153 --list-muxers show all available muxers
154 --list-demuxers show all available demuxers
155 --list-parsers show all available parsers
156 --list-protocols show all available protocols
157 --list-bsfs show all available bitstream filters
158 --list-indevs show all available input devices
159 --list-outdevs show all available output devices
160 --list-filters show all available filters
161
162 External library support:
163 --enable-avisynth enable reading of AVISynth script files [no]
164 --enable-bzlib enable bzlib [autodetect]
165 --enable-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-libxavs enable AVS encoding via xavs [no]
185 --enable-libxvid enable Xvid encoding via xvidcore,
186 native MPEG-4/Xvid encoder exists [no]
187 --enable-mlib enable Sun medialib [no]
188 --enable-zlib enable zlib [autodetect]
189
190 Advanced options (experts only):
191 --source-path=PATH path to source code [$source_path]
192 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
193 --enable-cross-compile assume a cross-compiler is used
194 --sysroot=PATH root of cross-build tree
195 --sysinclude=PATH location of cross-build system headers
196 --target-os=OS compiler targets OS [$target_os]
197 --target-exec=CMD command to run executables on target
198 --target-path=DIR path to view of build directory on target
199 --nm=NM use nm tool
200 --ar=AR use archive tool AR [$ar_default]
201 --as=AS use assembler AS [$as_default]
202 --cc=CC use C compiler CC [$cc_default]
203 --ld=LD use linker LD
204 --host-cc=HOSTCC use host C compiler HOSTCC
205 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
206 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
207 --host-libs=HLIBS use libs HLIBS when linking for host
208 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
209 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
210 --extra-libs=ELIBS add ELIBS [$ELIBS]
211 --extra-version=STRING version string suffix []
212 --build-suffix=SUFFIX library name suffix []
213 --arch=ARCH select architecture [$arch]
214 --cpu=CPU select the minimum required CPU (affects
215 instruction selection, may crash on older CPUs)
216 --disable-asm disable all assembler optimizations
217 --disable-altivec disable AltiVec optimizations
218 --disable-amd3dnow disable 3DNow! optimizations
219 --disable-amd3dnowext disable 3DNow! extended optimizations
220 --disable-mmx disable MMX optimizations
221 --disable-mmx2 disable MMX2 optimizations
222 --disable-sse disable SSE optimizations
223 --disable-ssse3 disable SSSE3 optimizations
224 --disable-armv5te disable armv5te optimizations
225 --disable-armv6 disable armv6 optimizations
226 --disable-armv6t2 disable armv6t2 optimizations
227 --disable-armvfp disable ARM VFP optimizations
228 --disable-iwmmxt disable iwmmxt optimizations
229 --disable-mmi disable MMI optimizations
230 --disable-neon disable neon optimizations
231 --disable-vis disable VIS optimizations
232 --disable-yasm disable use of yasm assembler
233 --enable-pic build position-independent code
234 --malloc-prefix=PFX prefix malloc and related names with PFX
235 --enable-sram allow use of on-chip SRAM
236
237 Developer options (useful when working on FFmpeg itself):
238 --disable-debug disable debugging symbols
239 --enable-debug=LEVEL set the debug level [$debuglevel]
240 --disable-optimizations disable compiler optimizations
241 --enable-extra-warnings enable more compiler warnings
242 --disable-stripping disable stripping of executables and shared libraries
243 --samples=PATH location of test samples for FATE
244
245 NOTE: Object files are built at the place where configure is launched.
246 EOF
247 exit 0
248 }
249
250 quotes='""'
251
252 log(){
253 echo "$@" >> $logfile
254 }
255
256 log_file(){
257 log BEGIN $1
258 pr -n -t $1 >> $logfile
259 log END $1
260 }
261
262 echolog(){
263 log "$@"
264 echo "$@"
265 }
266
267 warn(){
268 log "WARNING: $*"
269 WARNINGS="${WARNINGS}WARNING: $*\n"
270 }
271
272 die(){
273 echolog "$@"
274 cat <<EOF
275
276 If you think configure made a mistake, make sure you are using the latest
277 version from SVN. If the latest version fails, report the problem to the
278 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
279 EOF
280 if disabled logging; then
281 cat <<EOF
282 Rerun configure with logging enabled (do not use --disable-logging), and
283 include the log this produces with your report.
284 EOF
285 else
286 cat <<EOF
287 Include the log file "$logfile" produced by configure as this will help
288 solving the problem.
289 EOF
290 fi
291 exit 1
292 }
293
294 # Avoid locale weirdness, besides we really just want to translate ASCII.
295 toupper(){
296 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
297 }
298
299 tolower(){
300 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
301 }
302
303 c_escape(){
304 echo "$*" | sed 's/["\\]/\\\0/g'
305 }
306
307 sh_quote(){
308 v=$(echo "$1" | sed "s/'/'\\\\''/g")
309 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
310 echo "$v"
311 }
312
313 filter(){
314 pat=$1
315 shift
316 for v; do
317 eval "case $v in $pat) echo $v ;; esac"
318 done
319 }
320
321 map(){
322 m=$1
323 shift
324 for v; do eval $m; done
325 }
326
327 set_all(){
328 value=$1
329 shift
330 for var in $*; do
331 eval $var=$value
332 done
333 }
334
335 set_weak(){
336 value=$1
337 shift
338 for var; do
339 eval : \${$var:=$value}
340 done
341 }
342
343 pushvar(){
344 for var in $*; do
345 eval level=\${${var}_level:=0}
346 eval ${var}_${level}="\$$var"
347 eval ${var}_level=$(($level+1))
348 done
349 }
350
351 popvar(){
352 for var in $*; do
353 eval level=\${${var}_level:-0}
354 test $level = 0 && continue
355 eval level=$(($level-1))
356 eval $var="\${${var}_${level}}"
357 eval ${var}_level=$level
358 eval unset ${var}_${level}
359 done
360 }
361
362 enable(){
363 set_all yes $*
364 }
365
366 disable(){
367 set_all no $*
368 }
369
370 enable_weak(){
371 set_weak yes $*
372 }
373
374 disable_weak(){
375 set_weak no $*
376 }
377
378 enable_safe(){
379 for var; do
380 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
381 done
382 }
383
384 disable_safe(){
385 for var; do
386 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
387 done
388 }
389
390 do_enable_deep(){
391 for var; do
392 enabled $var && continue
393 eval sel="\$${var}_select"
394 eval sgs="\$${var}_suggest"
395 pushvar var sgs
396 enable_deep $sel
397 popvar sgs
398 enable_deep_weak $sgs
399 popvar var
400 done
401 }
402
403 enable_deep(){
404 do_enable_deep $*
405 enable $*
406 }
407
408 enable_deep_weak(){
409 do_enable_deep $*
410 enable_weak $*
411 }
412
413 enabled(){
414 test "${1#!}" = "$1" && op== || op=!=
415 eval test "x\$${1#!}" $op "xyes"
416 }
417
418 disabled(){
419 test "${1#!}" = "$1" && op== || op=!=
420 eval test "x\$${1#!}" $op "xno"
421 }
422
423 enabled_all(){
424 for opt; do
425 enabled $opt || return 1
426 done
427 }
428
429 disabled_all(){
430 for opt; do
431 disabled $opt || return 1
432 done
433 }
434
435 enabled_any(){
436 for opt; do
437 enabled $opt && return 0
438 done
439 }
440
441 disabled_any(){
442 for opt; do
443 disabled $opt && return 0
444 done
445 return 1
446 }
447
448 set_default(){
449 for opt; do
450 eval : \${$opt:=\$${opt}_default}
451 done
452 }
453
454 is_in(){
455 value=$1
456 shift
457 for var in $*; do
458 [ $var = $value ] && return 0
459 done
460 return 1
461 }
462
463 check_deps(){
464 for cfg; do
465 cfg="${cfg#!}"
466 enabled ${cfg}_checking && die "Circular dependency for $cfg."
467 disabled ${cfg}_checking && continue
468 enable ${cfg}_checking
469
470 eval dep_all="\$${cfg}_deps"
471 eval dep_any="\$${cfg}_deps_any"
472 eval dep_sel="\$${cfg}_select"
473 eval dep_sgs="\$${cfg}_suggest"
474 eval dep_ifa="\$${cfg}_if"
475 eval dep_ifn="\$${cfg}_if_any"
476
477 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
478 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
479 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
480
481 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
482 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
483 enabled_all $dep_all || disable $cfg
484 enabled_any $dep_any || disable $cfg
485 disabled_any $dep_sel && disable $cfg
486
487 if enabled $cfg; then
488 eval dep_extralibs="\$${cfg}_extralibs"
489 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
490 enable_deep $dep_sel
491 enable_deep_weak $dep_sgs
492 fi
493
494 disable ${cfg}_checking
495 done
496 }
497
498 print_config(){
499 pfx=$1
500 header=$2
501 makefile=$3
502 shift 3
503 for cfg; do
504 ucname="$(toupper $cfg)"
505 if enabled $cfg; then
506 echo "#define ${pfx}${ucname} 1" >> $header
507 echo "${pfx}${ucname}=yes" >> $makefile
508 else
509 echo "#define ${pfx}${ucname} 0" >> $header
510 echo "!${pfx}${ucname}=yes" >> $makefile
511 fi
512 done
513 }
514
515 print_enabled(){
516 test "$1" = -n && end=" " && shift || end="\n"
517 suf=$1
518 shift
519 for v; do
520 enabled $v && printf "%s$end" ${v%$suf};
521 done
522 }
523
524 append(){
525 var=$1
526 shift
527 eval "$var=\"\$$var $*\""
528 }
529
530 prepend(){
531 var=$1
532 shift
533 eval "$var=\"$* \$$var\""
534 }
535
536 add_cppflags(){
537 append CPPFLAGS $($filter_cppflags "$@")
538 }
539
540 add_cflags(){
541 append CFLAGS $($filter_cflags "$@")
542 }
543
544 add_asflags(){
545 append ASFLAGS $($filter_asflags "$@")
546 }
547
548 add_ldflags(){
549 append LDFLAGS "$@"
550 }
551
552 add_extralibs(){
553 prepend extralibs "$@"
554 }
555
556 check_cmd(){
557 log "$@"
558 "$@" >> $logfile 2>&1
559 }
560
561 check_cc(){
562 log check_cc "$@"
563 cat > $TMPC
564 log_file $TMPC
565 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
566 }
567
568 check_cpp(){
569 log check_cpp "$@"
570 cat > $TMPC
571 log_file $TMPC
572 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
573 }
574
575 check_as(){
576 log check_as "$@"
577 cat > $TMPC
578 log_file $TMPC
579 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
580 }
581
582 check_asm(){
583 log check_asm "$@"
584 name="$1"
585 code="$2"
586 shift 2
587 disable $name
588 check_as "$@" <<EOF && enable $name
589 void foo(void){ __asm__ volatile($code); }
590 EOF
591 }
592
593 check_yasm(){
594 log check_yasm "$@"
595 echo "$1" > $TMPS
596 log_file $TMPS
597 shift 1
598 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
599 }
600
601 check_ld(){
602 log check_ld "$@"
603 flags=''
604 libs=''
605 for f; do
606 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
607 done
608 check_cc $($filter_cflags $flags) || return
609 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
610 }
611
612 check_cppflags(){
613 log check_cppflags "$@"
614 set -- $($filter_cppflags "$@")
615 check_cc "$@" <<EOF && append CPPFLAGS "$@"
616 int x;
617 EOF
618 }
619
620 check_cflags(){
621 log check_cflags "$@"
622 set -- $($filter_cflags "$@")
623 check_cc "$@" <<EOF && append CFLAGS "$@"
624 int x;
625 EOF
626 }
627
628 test_ldflags(){
629 log test_ldflags "$@"
630 check_ld "$@" <<EOF
631 int main(void){ return 0; }
632 EOF
633 }
634
635 check_ldflags(){
636 log check_ldflags "$@"
637 test_ldflags "$@" && add_ldflags "$@"
638 }
639
640 check_header(){
641 log check_header "$@"
642 header=$1
643 shift
644 disable_safe $header
645 check_cpp "$@" <<EOF && enable_safe $header
646 #include <$header>
647 int x;
648 EOF
649 }
650
651 check_func(){
652 log check_func "$@"
653 func=$1
654 shift
655 disable $func
656 check_ld "$@" <<EOF && enable $func
657 extern int $func();
658 int main(void){ $func(); }
659 EOF
660 }
661
662 check_mathfunc(){
663 log check_mathfunc "$@"
664 func=$1
665 shift
666 disable $func
667 check_ld "$@" <<EOF && enable $func
668 #include <math.h>
669 float foo(float f) { return $func(f); }
670 int main(void){ return 0; }
671 EOF
672 }
673
674 check_func_headers(){
675 log check_func_headers "$@"
676 headers=$1
677 func=$2
678 shift 2
679 disable $func
680 incs=""
681 for hdr in $headers; do
682 incs="$incs
683 #include <$hdr>"
684 done
685 check_ld "$@" <<EOF && enable $func && enable_safe $headers
686 $incs
687 int main(int argc, char **argv){
688 return (long) $func;
689 }
690 EOF
691 }
692
693 check_cpp_condition(){
694 log check_cpp_condition "$@"
695 header=$1
696 condition=$2
697 shift 2
698 check_cpp $($filter_cppflags "$@") <<EOF
699 #include <$header>
700 #if !($condition)
701 #error "unsatisfied condition: $condition"
702 #endif
703 EOF
704 }
705
706 check_lib(){
707 log check_lib "$@"
708 header="$1"
709 func="$2"
710 shift 2
711 check_header $header && check_func $func "$@" && add_extralibs "$@"
712 }
713
714 check_lib2(){
715 log check_lib2 "$@"
716 headers="$1"
717 func="$2"
718 shift 2
719 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
720 }
721
722 check_exec(){
723 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
724 }
725
726 check_exec_crash(){
727 code=$(cat)
728
729 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
730 # are safe but may not be available everywhere. Thus we use
731 # raise(SIGTERM) instead. The check is run in a subshell so we
732 # can redirect the "Terminated" message from the shell. SIGBUS
733 # is not defined by standard C so it is used conditionally.
734
735 (check_exec "$@") >> $logfile 2>&1 <<EOF
736 #include <signal.h>
737 static void sighandler(int sig){
738 raise(SIGTERM);
739 }
740 int main(void){
741 signal(SIGILL, sighandler);
742 signal(SIGFPE, sighandler);
743 signal(SIGSEGV, sighandler);
744 #ifdef SIGBUS
745 signal(SIGBUS, sighandler);
746 #endif
747 { $code }
748 }
749 EOF
750 }
751
752 check_type(){
753 log check_type "$@"
754 headers=$1
755 type=$2
756 shift 2
757 disable_safe "$type"
758 incs=""
759 for hdr in $headers; do
760 incs="$incs
761 #include <$hdr>"
762 done
763 check_cc "$@" <<EOF && enable_safe "$type"
764 $incs
765 $type v;
766 EOF
767 }
768
769 check_struct(){
770 log check_type "$@"
771 headers=$1
772 struct=$2
773 member=$3
774 shift 3
775 disable_safe "${struct}_${member}"
776 incs=""
777 for hdr in $headers; do
778 incs="$incs
779 #include <$hdr>"
780 done
781 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
782 $incs
783 const void *p = &(($struct *)0)->$member;
784 EOF
785 }
786
787 require(){
788 name="$1"
789 header="$2"
790 func="$3"
791 shift 3
792 check_lib $header $func "$@" || die "ERROR: $name not found"
793 }
794
795 require2(){
796 name="$1"
797 headers="$2"
798 func="$3"
799 shift 3
800 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
801 }
802
803 check_host_cc(){
804 log check_host_cc "$@"
805 cat > $TMPC
806 log_file $TMPC
807 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
808 }
809
810 check_host_cflags(){
811 log check_host_cflags "$@"
812 check_host_cc "$@" <<EOF && append host_cflags "$@"
813 int x;
814 EOF
815 }
816
817 apply(){
818 file=$1
819 shift
820 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
821 }
822
823 cp_if_changed(){
824 cmp -s "$1" "$2" &&
825 echo "$2 is unchanged" ||
826 cp -f "$1" "$2"
827 }
828
829 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
830 # system-dependent things.
831
832 COMPONENT_LIST="
833 bsfs
834 decoders
835 demuxers
836 encoders
837 filters
838 hwaccels
839 indevs
840 muxers
841 outdevs
842 parsers
843 protocols
844 "
845
846 CONFIG_LIST="
847 $COMPONENT_LIST
848 aandct
849 avcodec
850 avcore
851 avdevice
852 avfilter
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 h264pred
871 hardcoded_tables
872 huffman
873 libdc1394
874 libdirac
875 libfaac
876 libgsm
877 libmp3lame
878 libnut
879 libopencore_amrnb
880 libopencore_amrwb
881 libopenjpeg
882 librtmp
883 libschroedinger
884 libspeex
885 libtheora
886 libvorbis
887 libvpx
888 libx264
889 libxavs
890 libxvid
891 lpc
892 lsp
893 mdct
894 memalign_hack
895 mlib
896 mpegaudio_hp
897 network
898 nonfree
899 pic
900 postproc
901 rdft
902 runtime_cpudetect
903 shared
904 small
905 sram
906 static
907 swscale
908 swscale_alpha
909 vaapi
910 vdpau
911 version3
912 x11grab
913 zlib
914 "
915
916 THREADS_LIST='
917 pthreads
918 w32threads
919 '
920
921 ARCH_LIST='
922 alpha
923 arm
924 avr32
925 avr32_ap
926 avr32_uc
927 bfin
928 ia64
929 m68k
930 mips
931 mips64
932 parisc
933 ppc
934 ppc64
935 s390
936 sh4
937 sparc
938 sparc64
939 tomi
940 x86
941 x86_32
942 x86_64
943 '
944
945 ARCH_EXT_LIST='
946 altivec
947 amd3dnow
948 amd3dnowext
949 armv5te
950 armv6
951 armv6t2
952 armvfp
953 iwmmxt
954 mmi
955 mmx
956 mmx2
957 neon
958 ppc4xx
959 sse
960 ssse3
961 vis
962 '
963
964 HAVE_LIST_PUB='
965 bigendian
966 fast_unaligned
967 '
968
969 HAVE_LIST="
970 $ARCH_EXT_LIST
971 $HAVE_LIST_PUB
972 $THREADS_LIST
973 alsa_asoundlib_h
974 altivec_h
975 arpa_inet_h
976 attribute_may_alias
977 attribute_packed
978 bswap
979 closesocket
980 cmov
981 conio_h
982 dcbzl
983 dev_bktr_ioctl_bt848_h
984 dev_bktr_ioctl_meteor_h
985 dev_ic_bt8xx_h
986 dev_video_meteor_ioctl_meteor_h
987 dev_video_bktr_ioctl_bt848_h
988 dlfcn_h
989 dlopen
990 dos_paths
991 ebp_available
992 ebx_available
993 exp2
994 exp2f
995 fast_64bit
996 fast_clz
997 fast_cmov
998 fcntl
999 fork
1000 getaddrinfo
1001 gethrtime
1002 GetProcessMemoryInfo
1003 GetProcessTimes
1004 getrusage
1005 gnu_as
1006 struct_rusage_ru_maxrss
1007 ibm_asm
1008 inet_aton
1009 inline_asm
1010 isatty
1011 ldbrx
1012 libdc1394_1
1013 libdc1394_2
1014 llrint
1015 llrintf
1016 local_aligned_16
1017 local_aligned_8
1018 log2
1019 log2f
1020 loongson
1021 lrint
1022 lrintf
1023 lzo1x_999_compress
1024 machine_ioctl_bt848_h
1025 machine_ioctl_meteor_h
1026 malloc_h
1027 memalign
1028 mkstemp
1029 pld
1030 posix_memalign
1031 round
1032 roundf
1033 sdl
1034 sdl_video_size
1035 setmode
1036 socklen_t
1037 soundcard_h
1038 poll_h
1039 setrlimit
1040 strerror_r
1041 struct_addrinfo
1042 struct_ipv6_mreq
1043 struct_sockaddr_in6
1044 struct_sockaddr_sa_len
1045 struct_sockaddr_storage
1046 symver
1047 symver_gnu_asm
1048 symver_asm_label
1049 sys_mman_h
1050 sys_resource_h
1051 sys_select_h
1052 sys_soundcard_h
1053 sys_videoio_h
1054 ten_operands
1055 termios_h
1056 threads
1057 truncf
1058 vfp_args
1059 VirtualAlloc
1060 winsock2_h
1061 xform_asm
1062 yasm
1063 "
1064
1065 # options emitted with CONFIG_ prefix but not available on command line
1066 CONFIG_EXTRA="
1067 avutil
1068 gplv3
1069 lgplv3
1070 "
1071
1072 CMDLINE_SELECT="
1073 $ARCH_EXT_LIST
1074 $CONFIG_LIST
1075 $THREADS_LIST
1076 asm
1077 cross_compile
1078 debug
1079 extra_warnings
1080 logging
1081 optimizations
1082 stripping
1083 yasm
1084 "
1085
1086 PATHS_LIST='
1087 bindir
1088 datadir
1089 incdir
1090 libdir
1091 mandir
1092 prefix
1093 shlibdir
1094 '
1095
1096 CMDLINE_SET="
1097 $PATHS_LIST
1098 ar
1099 arch
1100 as
1101 build_suffix
1102 cc
1103 cpu
1104 cross_prefix
1105 dep_cc
1106 extra_version
1107 host_cc
1108 host_cflags
1109 host_ldflags
1110 host_libs
1111 host_os
1112 ld
1113 logfile
1114 malloc_prefix
1115 nm
1116 samples
1117 source_path
1118 strip
1119 sysinclude
1120 sysroot
1121 target_exec
1122 target_os
1123 target_path
1124 "
1125
1126 CMDLINE_APPEND="
1127 extra_cflags
1128 "
1129
1130 # code dependency declarations
1131
1132 # architecture extensions
1133
1134 armv5te_deps="arm"
1135 armv6_deps="arm"
1136 armv6t2_deps="arm"
1137 armvfp_deps="arm"
1138 iwmmxt_deps="arm"
1139 neon_deps="arm"
1140
1141 mmi_deps="mips"
1142
1143 altivec_deps="ppc"
1144 ppc4xx_deps="ppc"
1145
1146 vis_deps="sparc"
1147
1148 x86_64_suggest="cmov fast_cmov"
1149 amd3dnow_deps="mmx"
1150 amd3dnowext_deps="amd3dnow"
1151 mmx_deps="x86"
1152 mmx2_deps="mmx"
1153 sse_deps="mmx"
1154 ssse3_deps="sse"
1155
1156 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1157 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1158 fast_unaligned_if_any="armv6 ppc x86"
1159
1160 need_memalign="altivec neon sse"
1161 inline_asm_deps="!tms470"
1162
1163 symver_if_any="symver_asm_label symver_gnu_asm"
1164
1165 # subsystems
1166 dct_select="rdft"
1167 mdct_select="fft"
1168 rdft_select="fft"
1169
1170 # decoders / encoders / hardware accelerators
1171 aac_decoder_select="mdct rdft"
1172 aac_encoder_select="mdct"
1173 ac3_decoder_select="mdct ac3_parser"
1174 alac_encoder_select="lpc"
1175 amrnb_decoder_select="lsp"
1176 atrac1_decoder_select="mdct"
1177 atrac3_decoder_select="mdct"
1178 binkaudio_dct_decoder_select="mdct rdft dct"
1179 binkaudio_rdft_decoder_select="mdct rdft"
1180 cavs_decoder_select="golomb"
1181 cook_decoder_select="mdct"
1182 cscd_decoder_suggest="zlib"
1183 dca_decoder_select="mdct"
1184 dnxhd_encoder_select="aandct"
1185 dxa_decoder_select="zlib"
1186 eac3_decoder_select="ac3_decoder"
1187 eamad_decoder_select="aandct"
1188 eatgq_decoder_select="aandct"
1189 eatqi_decoder_select="aandct"
1190 ffv1_decoder_select="golomb"
1191 flac_decoder_select="golomb"
1192 flac_encoder_select="golomb lpc"
1193 flashsv_decoder_select="zlib"
1194 flashsv_encoder_select="zlib"
1195 flv_decoder_select="h263_decoder"
1196 flv_encoder_select="h263_encoder"
1197 fraps_decoder_select="huffman"
1198 h261_encoder_select="aandct"
1199 h263_decoder_select="h263_parser"
1200 h263_encoder_select="aandct"
1201 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1202 h263i_decoder_select="h263_decoder"
1203 h263p_encoder_select="h263_encoder"
1204 h264_decoder_select="golomb h264dsp h264pred"
1205 h264_dxva2_hwaccel_deps="dxva2api_h"
1206 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1207 h264_vaapi_hwaccel_select="vaapi"
1208 h264_vdpau_decoder_select="vdpau h264_decoder"
1209 imc_decoder_select="fft mdct"
1210 jpegls_decoder_select="golomb"
1211 jpegls_encoder_select="golomb"
1212 ljpeg_encoder_select="aandct"
1213 loco_decoder_select="golomb"
1214 mjpeg_encoder_select="aandct"
1215 mlp_decoder_select="mlp_parser"
1216 mp1float_decoder_select="dct"
1217 mp2float_decoder_select="dct"
1218 mp3adufloat_decoder_select="dct"
1219 mp3float_decoder_select="dct"
1220 mp3on4float_decoder_select="dct"
1221 mpeg1video_encoder_select="aandct"
1222 mpeg2video_encoder_select="aandct"
1223 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1224 mpeg4_encoder_select="h263_encoder"
1225 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1226 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1227 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1228 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1229 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1230 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1231 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1232 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1233 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1234 msmpeg4v1_decoder_select="h263_decoder"
1235 msmpeg4v1_encoder_select="h263_encoder"
1236 msmpeg4v2_decoder_select="h263_decoder"
1237 msmpeg4v2_encoder_select="h263_encoder"
1238 msmpeg4v3_decoder_select="h263_decoder"
1239 msmpeg4v3_encoder_select="h263_encoder"
1240 nellymoser_decoder_select="mdct"
1241 nellymoser_encoder_select="mdct"
1242 png_decoder_select="zlib"
1243 png_encoder_select="zlib"
1244 qcelp_decoder_select="lsp"
1245 qdm2_decoder_select="mdct rdft"
1246 ra_144_encoder_select="lpc"
1247 rv10_decoder_select="h263_decoder"
1248 rv10_encoder_select="h263_encoder"
1249 rv20_decoder_select="h263_decoder"
1250 rv20_encoder_select="h263_encoder"
1251 rv30_decoder_select="golomb h264pred"
1252 rv40_decoder_select="golomb h264pred"
1253 shorten_decoder_select="golomb"
1254 sipr_decoder_select="lsp"
1255 snow_decoder_select="dwt"
1256 snow_encoder_select="aandct dwt"
1257 sonic_decoder_select="golomb"
1258 sonic_encoder_select="golomb"
1259 sonic_ls_encoder_select="golomb"
1260 svq1_encoder_select="aandct"
1261 svq3_decoder_select="golomb h264dsp h264pred"
1262 svq3_decoder_suggest="zlib"
1263 theora_decoder_select="vp3_decoder"
1264 tiff_decoder_suggest="zlib"
1265 tiff_encoder_suggest="zlib"
1266 truehd_decoder_select="mlp_decoder"
1267 tscc_decoder_select="zlib"
1268 twinvq_decoder_select="mdct lsp"
1269 vc1_decoder_select="h263_decoder"
1270 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1271 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1272 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1273 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1274 vorbis_decoder_select="mdct"
1275 vorbis_encoder_select="mdct"
1276 vp6_decoder_select="huffman"
1277 vp6a_decoder_select="vp6_decoder"
1278 vp6f_decoder_select="vp6_decoder"
1279 vp8_decoder_select="h264pred"
1280 wmapro_decoder_select="mdct"
1281 wmav1_decoder_select="mdct"
1282 wmav1_encoder_select="mdct"
1283 wmav2_decoder_select="mdct"
1284 wmav2_encoder_select="mdct"
1285 wmavoice_decoder_select="lsp rdft dct mdct"
1286 wmv1_decoder_select="h263_decoder"
1287 wmv1_encoder_select="h263_encoder"
1288 wmv2_decoder_select="h263_decoder"
1289 wmv2_encoder_select="h263_encoder"
1290 wmv3_decoder_select="vc1_decoder"
1291 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1292 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1293 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1294 zlib_decoder_select="zlib"
1295 zlib_encoder_select="zlib"
1296 zmbv_decoder_select="zlib"
1297 zmbv_encoder_select="zlib"
1298
1299 vaapi_deps="va_va_h"
1300 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1301
1302 # parsers
1303 h264_parser_select="golomb h264dsp h264pred"
1304
1305 # external libraries
1306 libdirac_decoder_deps="libdirac !libschroedinger"
1307 libdirac_encoder_deps="libdirac"
1308 libfaac_encoder_deps="libfaac"
1309 libgsm_decoder_deps="libgsm"
1310 libgsm_encoder_deps="libgsm"
1311 libgsm_ms_decoder_deps="libgsm"
1312 libgsm_ms_encoder_deps="libgsm"
1313 libmp3lame_encoder_deps="libmp3lame"
1314 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1315 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1316 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1317 libopenjpeg_decoder_deps="libopenjpeg"
1318 libschroedinger_decoder_deps="libschroedinger"
1319 libschroedinger_encoder_deps="libschroedinger"
1320 libspeex_decoder_deps="libspeex"
1321 libtheora_encoder_deps="libtheora"
1322 libvorbis_encoder_deps="libvorbis"
1323 libvpx_decoder_deps="libvpx"
1324 libvpx_encoder_deps="libvpx"
1325 libx264_encoder_deps="libx264"
1326 libxavs_encoder_deps="libxavs"
1327 libxvid_encoder_deps="libxvid"
1328
1329 # demuxers / muxers
1330 ac3_demuxer_deps="ac3_parser"
1331 asf_stream_muxer_select="asf_muxer"
1332 avisynth_demuxer_deps="avisynth"
1333 dirac_demuxer_deps="dirac_parser"
1334 eac3_demuxer_select="ac3_parser"
1335 ipod_muxer_select="mov_muxer"
1336 libnut_demuxer_deps="libnut"
1337 libnut_muxer_deps="libnut"
1338 matroska_audio_muxer_select="matroska_muxer"
1339 matroska_demuxer_suggest="zlib bzlib"
1340 mov_demuxer_suggest="zlib"
1341 mp3_demuxer_deps="mpegaudio_parser"
1342 mp4_muxer_select="mov_muxer"
1343 mpegtsraw_demuxer_select="mpegts_demuxer"
1344 mxf_d10_muxer_select="mxf_muxer"
1345 ogg_demuxer_select="golomb"
1346 psp_muxer_select="mov_muxer"
1347 rtsp_demuxer_deps="sdp_demuxer"
1348 rtsp_muxer_deps="sdp_demuxer"
1349 rtsp_muxer_select="rtp_muxer"
1350 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1351 sdp_demuxer_select="asf_demuxer rm_demuxer"
1352 spdif_muxer_select="aac_parser"
1353 tg2_muxer_select="mov_muxer"
1354 tgp_muxer_select="mov_muxer"
1355 w64_demuxer_deps="wav_demuxer"
1356
1357 # indevs / outdevs
1358 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1359 alsa_outdev_deps="alsa_asoundlib_h"
1360 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1361 dv1394_indev_deps="dv1394 dv_demuxer"
1362 jack_indev_deps="jack_jack_h"
1363 libdc1394_indev_deps="libdc1394"
1364 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1365 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1366 v4l_indev_deps="linux_videodev_h"
1367 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1368 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1369 vfwcap_indev_extralibs="-lavicap32"
1370 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1371 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1372
1373 # protocols
1374 gopher_protocol_deps="network"
1375 http_protocol_deps="network"
1376 http_protocol_select="tcp_protocol"
1377 mmst_protocol_deps="network"
1378 rtmp_protocol_select="tcp_protocol"
1379 rtp_protocol_select="udp_protocol"
1380 tcp_protocol_deps="network"
1381 udp_protocol_deps="network"
1382
1383 # libraries
1384 avdevice_deps="avcodec avformat"
1385 avformat_deps="avcodec"
1386
1387 # programs
1388 ffmpeg_deps="avcodec avformat swscale"
1389 ffmpeg_select="buffer_filter"
1390 ffplay_deps="avcodec avformat swscale sdl"
1391 ffplay_select="rdft"
1392 ffprobe_deps="avcodec avformat"
1393 ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1394 ffserver_extralibs='$ldl'
1395
1396 doc_deps="texi2html"
1397
1398 # tests
1399
1400 test_deps(){
1401 suf1=$1
1402 suf2=$2
1403 shift 2
1404 for v; do
1405 dep=${v%=*}
1406 tests=${v#*=}
1407 for name in ${tests}; do
1408 eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1409 done
1410 done
1411 }
1412
1413 set_ne_test_deps(){
1414 eval ${1}_be_test_deps="bigendian"
1415 eval ${1}_le_test_deps="!bigendian"
1416 }
1417
1418 test_deps _encoder _decoder \
1419 ac3 \
1420 adpcm_g726=g726 \
1421 adpcm_ima_qt \
1422 adpcm_ima_wav \
1423 adpcm_ms \
1424 adpcm_swf \
1425 adpcm_yamaha=adpcm_yam \
1426 alac \
1427 asv1 \
1428 asv2 \
1429 bmp \
1430 dnxhd="hdxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1431 dvvideo="dv dv50" \
1432 ffv1 \
1433 flac \
1434 flashsv \
1435 flv \
1436 gif \
1437 h261 \
1438 h263="h263 h263p" \
1439 huffyuv \
1440 jpegls \
1441 mjpeg="jpg mjpeg ljpeg" \
1442 mp2 \
1443 mpeg1video="mpeg mpeg1b" \
1444 mpeg2video="mpeg2 mpeg2thread" \
1445 mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc" \
1446 msmpeg4v3=msmpeg4 \
1447 msmpeg4v2 \
1448 pbm=pbmpipe \
1449 pcx \
1450 pgm="pgm pgmpipe" \
1451 ppm="ppm ppmpipe" \
1452 rawvideo="rgb yuv" \
1453 roq \
1454 rv10 \
1455 rv20 \
1456 sgi \
1457 snow="snow snowll" \
1458 svq1 \
1459 targa=tga \
1460 tiff \
1461 wmav1 \
1462 wmav2 \
1463 wmv1 \
1464 wmv2 \
1465
1466 test_deps _muxer _demuxer \
1467 aiff \
1468 pcm_alaw=alaw \
1469 asf \
1470 au \
1471 avi \
1472 dv=dv_fmt \
1473 ffm \
1474 flv=flv_fmt \
1475 gxf \
1476 matroska=mkv \
1477 mmf \
1478 mov \
1479 pcm_mulaw=mulaw \
1480 mxf \
1481 nut \
1482 ogg \
1483 rawvideo=pixfmt \
1484 rm \
1485 swf \
1486 mpegts=ts \
1487 voc \
1488 wav \
1489 yuv4mpegpipe=yuv4mpeg \
1490
1491 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1492
1493 set_ne_test_deps pixdesc
1494 set_ne_test_deps pixfmts_crop
1495 set_ne_test_deps pixfmts_null
1496 set_ne_test_deps pixfmts_pad
1497 set_ne_test_deps pixfmts_scale
1498 set_ne_test_deps pixfmts_vflip
1499
1500 # default parameters
1501
1502 logfile="config.log"
1503
1504 # installation paths
1505 prefix_default="/usr/local"
1506 bindir_default='${prefix}/bin'
1507 datadir_default='${prefix}/share/ffmpeg'
1508 incdir_default='${prefix}/include'
1509 libdir_default='${prefix}/lib'
1510 mandir_default='${prefix}/share/man'
1511 shlibdir_default="$libdir_default"
1512
1513 # toolchain
1514 ar_default="ar"
1515 cc_default="gcc"
1516 cc_version=\"unknown\"
1517 host_cc_default="gcc"
1518 ln_s="ln -sf"
1519 nm_default="nm"
1520 objformat="elf"
1521 ranlib="ranlib"
1522 strip_default="strip"
1523 yasmexe="yasm"
1524 nogas=":"
1525
1526 nm_opts='-g'
1527
1528 # machine
1529 arch_default=$(uname -m)
1530 cpu="generic"
1531
1532 # OS
1533 target_os_default=$(tolower $(uname -s))
1534 host_os=$target_os_default
1535
1536 # configurable options
1537 enable avcodec
1538 enable avcore
1539 enable avdevice
1540 enable avfilter
1541 enable avformat
1542 enable avutil
1543 enable asm
1544 enable debug
1545 enable doc
1546 enable fastdiv
1547 enable ffmpeg
1548 enable ffplay
1549 enable ffprobe
1550 enable ffserver
1551 enable mpegaudio_hp
1552 enable network
1553 enable optimizations
1554 enable protocols
1555 enable static
1556 enable stripping
1557 enable swscale
1558 enable swscale_alpha
1559
1560 # build settings
1561 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1562 FFSERVERLDFLAGS=-Wl,-E
1563 LIBPREF="lib"
1564 LIBSUF=".a"
1565 FULLNAME='$(NAME)$(BUILDSUF)'
1566 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1567 SLIBPREF="lib"
1568 SLIBSUF=".so"
1569 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1570 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1571 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1572 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1573
1574 CC_O='-o $@'
1575
1576 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1577 host_libs='-lm'
1578
1579 target_path='$(CURDIR)'
1580
1581 # since the object filename is not given with the -MM flag, the compiler
1582 # is only able to print the basename, and we must add the path ourselves
1583 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1584 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1585
1586 # find source path
1587 source_path="$(dirname "$0")"
1588 enable source_path_used
1589 if test -f configure; then
1590 source_path="$(pwd)"
1591 disable source_path_used
1592 else
1593 source_path="$(cd "$source_path"; pwd)"
1594 echo "$source_path" | grep -q '[[:blank:]]' &&
1595 die "Out of tree builds are impossible with whitespace in source path."
1596 test -e "$source_path/config.h" &&
1597 die "Out of tree builds are impossible with config.h in source dir."
1598 fi
1599
1600 for v in "$@"; do
1601 r=${v#*=}
1602 l=${v%"$r"}
1603 r=$(sh_quote "$r")
1604 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1605 done
1606
1607 find_things(){
1608 thing=$1
1609 pattern=$2
1610 file=$source_path/$3
1611 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1612 }
1613
1614 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1615 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1616 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1617 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1618 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1619 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1620 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1621 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1622 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1623 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1624 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1625
1626 find_tests(){
1627 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1628 }
1629
1630 ACODEC_TESTS=$(find_tests acodec)
1631 VCODEC_TESTS=$(find_tests vsynth1)
1632 LAVF_TESTS=$(find_tests lavf)
1633 LAVFI_TESTS=$(find_tests lavfi)
1634 SEEK_TESTS=$(find_tests seek seek_)
1635
1636 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1637
1638 for n in $COMPONENT_LIST; do
1639 v=$(toupper ${n%s})_LIST
1640 eval enable \$$v
1641 eval ${n}_if_any="\$$v"
1642 done
1643
1644 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1645
1646 die_unknown(){
1647 echo "Unknown option \"$1\"."
1648 echo "See $0 --help for available options."
1649 exit 1
1650 }
1651
1652 show_list() {
1653 suffix=_$1
1654 shift
1655 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1656 exit 0
1657 }
1658
1659 for opt do
1660 optval="${opt#*=}"
1661 case "$opt" in
1662 --extra-ldflags=*) add_ldflags $optval
1663 ;;
1664 --extra-libs=*) add_extralibs $optval
1665 ;;
1666 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1667 ;;
1668 --enable-debug=*) debuglevel="$optval"
1669 ;;
1670 --disable-everything)
1671 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1672 ;;
1673 --enable-*=*|--disable-*=*)
1674 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1675 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1676 eval list=\$$(toupper $thing)_LIST
1677 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1678 $action $(filter "$name" $list)
1679 ;;
1680 --enable-?*|--disable-?*)
1681 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1682 if is_in $option $COMPONENT_LIST; then
1683 test $action = disable && action=unset
1684 eval $action \$$(toupper ${option%s})_LIST
1685 elif is_in $option $CMDLINE_SELECT; then
1686 $action $option
1687 else
1688 die_unknown $opt
1689 fi
1690 ;;
1691 --list-*)
1692 NAME="${opt#--list-}"
1693 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1694 NAME=${NAME%s}
1695 eval show_list $NAME \$$(toupper $NAME)_LIST
1696 ;;
1697 --help|-h) show_help
1698 ;;
1699 *)
1700 optname="${opt%%=*}"
1701 optname="${optname#--}"
1702 optname=$(echo "$optname" | sed 's/-/_/g')
1703 if is_in $optname $CMDLINE_SET; then
1704 eval $optname='$optval'
1705 elif is_in $optname $CMDLINE_APPEND; then
1706 append $optname "$optval"
1707 else
1708 die_unknown $opt
1709 fi
1710 ;;
1711 esac
1712 done
1713
1714 disabled logging && logfile=/dev/null
1715
1716 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1717 set >> $logfile
1718
1719 test -n "$cross_prefix" && enable cross_compile
1720
1721 if enabled cross_compile; then
1722 test -n "$arch" && test -n "$target_os" ||
1723 die "Must specify target arch and OS when cross-compiling"
1724 fi
1725
1726 set_default arch target_os
1727
1728 ar_default="${cross_prefix}${ar_default}"
1729 cc_default="${cross_prefix}${cc_default}"
1730 nm_default="${cross_prefix}${nm_default}"
1731 ranlib="${cross_prefix}${ranlib}"
1732 strip_default="${cross_prefix}${strip_default}"
1733
1734 sysinclude_default="${sysroot}/usr/include"
1735
1736 set_default cc nm strip sysinclude
1737 enabled cross_compile || host_cc_default=$cc
1738 set_default host_cc
1739
1740 exesuf() {
1741 case $1 in
1742 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1743 esac
1744 }
1745
1746 EXESUF=$(exesuf $target_os)
1747 HOSTEXESUF=$(exesuf $host_os)
1748
1749 # set temporary file name
1750 : ${TMPDIR:=$TEMPDIR}
1751 : ${TMPDIR:=$TMP}
1752 : ${TMPDIR:=/tmp}
1753
1754 if ! check_cmd type mktemp; then
1755 # simple replacement for missing mktemp
1756 # NOT SAFE FOR GENERAL USE
1757 mktemp(){
1758 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1759 }
1760 fi
1761
1762 tmpfile(){
1763 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1764 (set -C; exec > $tmp) 2>/dev/null ||
1765 die "Unable to create temporary file in $TMPDIR."
1766 append TMPFILES $tmp
1767 eval $1=$tmp
1768 }
1769
1770 trap 'rm -f -- $TMPFILES' EXIT
1771 trap exit HUP INT TERM
1772
1773 tmpfile TMPC .c
1774 tmpfile TMPE $EXESUF
1775 tmpfile TMPH .h
1776 tmpfile TMPO .o
1777 tmpfile TMPS .S
1778 tmpfile TMPV .ver
1779 tmpfile TMPSH .sh
1780
1781 unset -f mktemp
1782
1783 # make sure we can execute files in $TMPDIR
1784 cat > $TMPSH 2>> $logfile <<EOF
1785 #! /bin/sh
1786 EOF
1787 chmod +x $TMPSH >> $logfile 2>&1
1788 if ! $TMPSH >> $logfile 2>&1; then
1789 cat <<EOF
1790 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1791 variable to another directory and make sure that it is not mounted noexec.
1792 EOF
1793 die "Sanity test failed."
1794 fi
1795
1796 filter_cflags=echo
1797 filter_cppflags=echo
1798 filter_asflags=echo
1799
1800 if $cc -v 2>&1 | grep -qi ^gcc; then
1801 cc_type=gcc
1802 cc_version=__VERSION__
1803 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1804 cc_ident="gcc $($cc -dumpversion) $gcc_extra_ver"
1805 if ! $cc -dumpversion | grep -q '^2\.'; then
1806 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1807 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1808 fi
1809 speed_cflags='-O3'
1810 size_cflags='-Os'
1811 elif $cc --version 2>/dev/null | grep -q Intel; then
1812 cc_type=icc
1813 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1814 cc_ident=$($cc --version | head -n1)
1815 CC_DEPFLAGS='-MMD'
1816 AS_DEPFLAGS='-MMD'
1817 speed_cflags='-O3'
1818 size_cflags='-Os'
1819 noopt_cflags='-O1'
1820 elif $cc -v 2>&1 | grep -q xlc; then
1821 cc_type=xlc
1822 cc_version="AV_STRINGIFY(__IBMC__)"
1823 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1824 speed_cflags='-O5'
1825 size_cflags='-O5 -qcompact'
1826 elif $cc -V 2>/dev/null | grep -q Compaq; then
1827 cc_type=ccc
1828 cc_version="AV_STRINGIFY(__DECC_VER)"
1829 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1830 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1831 debuglevel=3
1832 add_ldflags -Wl,-z,now # calls to libots crash without this
1833 speed_cflags='-fast'
1834 size_cflags='-O1'
1835 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1836 test -d "$sysroot" || die "No valid sysroot specified."
1837 cc_type=armcc
1838 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1839 cc_ident=$($cc --vsn | head -n1)
1840 armcc_conf="$PWD/armcc.conf"
1841 $cc --arm_linux_configure \
1842 --arm_linux_config_file="$armcc_conf" \
1843 --configure_sysroot="$sysroot" \
1844 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1845 die "Error creating armcc configuration file."
1846 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1847 as_default="${cross_prefix}gcc"
1848 CC_DEPFLAGS='-MMD'
1849 AS_DEPFLAGS='-MMD'
1850 speed_cflags='-O3'
1851 size_cflags='-Os'
1852 elif $cc -version 2>/dev/null | grep -q TMS470; then
1853 cc_type=tms470
1854 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1855 cc_ident=$($cc -version | head -n1 | tr -s ' ')
1856 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1857 CC_O='-fr=$(@D)'
1858 as_default="${cross_prefix}gcc"
1859 ld_default="${cross_prefix}gcc"
1860 TMPO=$(basename $TMPC .c).o
1861 append TMPFILES $TMPO
1862 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1863 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1864 AS_DEPFLAGS='-MMD'
1865 speed_cflags='-O3 -mf=5'
1866 size_cflags='-O3 -mf=2'
1867 filter_cflags=tms470_flags
1868 tms470_flags(){
1869 for flag; do
1870 case $flag in
1871 -march=*|-mcpu=*)
1872 case "${flag#*=}" in
1873 armv7-a|cortex-a*) echo -mv=7a8 ;;
1874 armv7-r|cortex-r*) echo -mv=7r4 ;;
1875 armv7-m|cortex-m*) echo -mv=7m3 ;;
1876 armv6*|arm11*) echo -mv=6 ;;
1877 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1878 echo -mv=5e ;;
1879 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1880 esac
1881 ;;
1882 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1883 -mfpu=vfp) echo --float_support=vfpv2 ;;
1884 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1885 -msoft-float) echo --float_support=vfplib ;;
1886 -O[0-3]|-mf=*) echo $flag ;;
1887 -g) echo -g -mn ;;
1888 -pds=*) echo $flag ;;
1889 esac
1890 done
1891 }
1892 elif $cc -v 2>&1 | grep -q clang; then
1893 cc_type=clang
1894 $cc -dM -E $TMPC | grep -q __clang_version__ &&
1895 cc_version=__clang_version__ || cc_version=__VERSION__
1896 cc_ident=$($cc --version | head -n1)
1897 CC_DEPFLAGS='-MMD'
1898 AS_DEPFLAGS='-MMD'
1899 speed_cflags='-O3'
1900 size_cflags='-Os'
1901 elif $cc -V 2>&1 | grep -q Sun; then
1902 cc_type=suncc
1903 cc_version="AV_STRINGIFY(__SUNPRO_C)"
1904 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
1905 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1906 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1907 speed_cflags='-O5'
1908 size_cflags='-O5 -xspace'
1909 filter_cflags=suncc_flags
1910 suncc_flags(){
1911 for flag; do
1912 case $flag in
1913 -march=*|-mcpu=*)
1914 case "${flag#*=}" in
1915 native) echo -xtarget=native ;;
1916 v9|niagara) echo -xarch=sparc ;;
1917 ultrasparc) echo -xarch=sparcvis ;;
1918 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
1919 i586|pentium) echo -xchip=pentium ;;
1920 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1921 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1922 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1923 pentium4*) echo -xtarget=pentium4 ;;
1924 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1925 *-sse3) echo -xarch=sse3 ;;
1926 core2) echo -xarch=ssse3 -xchip=core2 ;;
1927 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1928 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1929 k8|opteron|athlon64|athlon-fx)
1930 echo -xarch=sse2a ;;
1931 athlon*) echo -xarch=pentium_proa ;;
1932 esac
1933 ;;
1934 -std=c99) echo -xc99 ;;
1935 -fomit-frame-pointer) echo -xregs=frameptr ;;
1936 -fPIC) echo -KPIC -xcode=pic32 ;;
1937 -W*,*) echo $flag ;;
1938 -f*-*|-W*) ;;
1939 *) echo $flag ;;
1940 esac
1941 done
1942 }
1943 elif $cc -v 2>&1 | grep -q PathScale; then
1944 cc_type=pathscale
1945 cc_version=__PATHSCALE__
1946 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
1947 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1948 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1949 speed_cflags='-O2'
1950 size_cflags='-Os'
1951 fi
1952
1953 test -n "$cc_type" && enable $cc_type ||
1954 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
1955
1956 : ${as_default:=$cc}
1957 : ${dep_cc_default:=$cc}
1958 : ${ld_default:=$cc}
1959 set_default ar as dep_cc ld
1960
1961 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1962 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1963
1964 add_cflags $extra_cflags
1965 add_asflags $extra_cflags
1966
1967 if test -n "$sysroot"; then
1968 case "$cc_type" in
1969 gcc)
1970 add_cppflags --sysroot="$sysroot"
1971 add_ldflags --sysroot="$sysroot"
1972 ;;
1973 tms470)
1974 add_cppflags -I"$sysinclude"
1975 add_ldflags --sysroot="$sysroot"
1976 ;;
1977 clang)
1978 add_cppflags -isysroot "$sysroot"
1979 add_ldflags -isysroot "$sysroot"
1980 ;;
1981 esac
1982 fi
1983
1984 if test "$cpu" = host; then
1985 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1986
1987 case "$cc_type" in
1988 gcc)
1989 check_native(){
1990 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1991 sed -n "/$1=/{
1992 s/.*$1=\\([^ ]*\\).*/\\1/
1993 p
1994 q
1995 }" $TMPE
1996 }
1997 cpu=$(check_native -march || check_native -mcpu)
1998 ;;
1999 esac
2000
2001 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2002 fi
2003
2004 # Deal with common $arch aliases
2005 case "$arch" in
2006 arm*)
2007 arch="arm"
2008 ;;
2009 mips|mipsel|IP*)
2010 arch="mips"
2011 ;;
2012 mips64*)
2013 arch="mips"
2014 subarch="mips64"
2015 ;;
2016 parisc|hppa)
2017 arch="parisc"
2018 ;;
2019 parisc64|hppa64)
2020 arch="parisc"
2021 subarch="parisc64"
2022 ;;
2023 "Power Macintosh"|ppc|powerpc)
2024 arch="ppc"
2025 ;;
2026 ppc64|powerpc64)
2027 arch="ppc"
2028 subarch="ppc64"
2029 ;;
2030 s390|s390x)
2031 arch="s390"
2032 ;;
2033 sh4|sh)
2034 arch="sh4"
2035 ;;
2036 sun4u|sparc64)
2037 arch="sparc"
2038 subarch="sparc64"
2039 ;;
2040 i[3-6]86|i86pc|BePC|x86_64|amd64)
2041 arch="x86"
2042 ;;
2043 esac
2044
2045 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2046 enable $arch
2047
2048 # Add processor-specific flags
2049 if test "$cpu" = generic; then
2050 : do nothing
2051 elif enabled ppc; then
2052
2053 case $(tolower $cpu) in
2054 601|ppc601|powerpc601)
2055 cpuflags="-mcpu=601"
2056 disable altivec
2057 ;;
2058 603*|ppc603*|powerpc603*)
2059 cpuflags="-mcpu=603"
2060 disable altivec
2061 ;;
2062 604*|ppc604*|powerpc604*)
2063 cpuflags="-mcpu=604"
2064 disable altivec
2065 ;;
2066 g3|75*|ppc75*|powerpc75*)
2067 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2068 disable altivec
2069 ;;
2070 g4|745*|ppc745*|powerpc745*)
2071 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2072 ;;
2073 74*|ppc74*|powerpc74*)
2074 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2075 ;;
2076 g5|970|ppc970|powerpc970|power4*)
2077 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2078 ;;
2079 cell)
2080 cpuflags="-mcpu=cell"
2081 enable ldbrx
2082 ;;
2083 e500v2)
2084 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2085 disable altivec
2086 ;;
2087 e500)
2088 cpuflags="-mcpu=8540 -mhard-float"
2089 disable altivec
2090 ;;
2091 esac
2092
2093 elif enabled x86; then
2094
2095 case $cpu in
2096 i[345]86|pentium)
2097 cpuflags="-march=$cpu"
2098 disable mmx
2099 ;;
2100 # targets that do NOT support conditional mov (cmov)
2101 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2102 cpuflags="-march=$cpu"
2103 disable cmov
2104 ;;
2105 # targets that do support conditional mov (cmov)
2106 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona)
2107 cpuflags="-march=$cpu"
2108 enable cmov
2109 enable fast_cmov
2110 ;;
2111 # targets that do support conditional mov but on which it's slow
2112 pentium4|pentium4m|prescott|nocona)
2113 cpuflags="-march=$cpu"
2114 enable cmov
2115 disable fast_cmov
2116 ;;
2117 esac
2118
2119 elif enabled sparc; then
2120
2121 case $cpu in
2122 niagara)
2123 cpuflags="-mcpu=$cpu"
2124 disable vis
2125 ;;
2126 sparc64)
2127 cpuflags="-mcpu=v9"
2128 ;;
2129 esac
2130
2131 elif enabled arm; then
2132
2133 case $cpu in
2134 armv*)
2135 cpuflags="-march=$cpu"
2136 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2137 ;;
2138 *)
2139 cpuflags="-mcpu=$cpu"
2140 case $cpu in
2141 cortex-a*) subarch=armv7a ;;
2142 cortex-r*) subarch=armv7r ;;
2143 cortex-m*) subarch=armv7m ;;
2144 arm11*) subarch=armv6 ;;
2145 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2146 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2147 esac
2148 ;;
2149 esac
2150
2151 elif enabled alpha; then
2152
2153 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2154
2155 elif enabled bfin; then
2156
2157 cpuflags="-mcpu=$cpu"
2158
2159 elif enabled mips; then
2160
2161 cpuflags="-march=$cpu"
2162
2163 elif enabled avr32; then
2164
2165 case $cpu in
2166 ap7[02]0[0-2])
2167 subarch="avr32_ap"
2168 cpuflags="-mpart=$cpu"
2169 ;;
2170 ap)
2171 subarch="avr32_ap"
2172 cpuflags="-march=$cpu"
2173 ;;
2174 uc3[ab]*)
2175 subarch="avr32_uc"
2176 cpuflags="-mcpu=$cpu"
2177 ;;
2178 uc)
2179 subarch="avr32_uc"
2180 cpuflags="-march=$cpu"
2181 ;;
2182 esac
2183
2184 fi
2185
2186 add_cflags $cpuflags
2187 add_asflags $cpuflags
2188
2189 # compiler sanity check
2190 check_exec <<EOF
2191 int main(void){ return 0; }
2192 EOF
2193 if test "$?" != 0; then
2194 echo "$cc is unable to create an executable file."
2195 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2196 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2197 echo "Only do this if you know what cross compiling means."
2198 fi
2199 die "C compiler test failed."
2200 fi
2201
2202 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2203 check_cflags -std=c99
2204 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2205 #include <stdlib.h>
2206 EOF
2207 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2208 #include <stdlib.h>
2209 EOF
2210
2211 check_host_cflags -std=c99
2212
2213 case "$arch" in
2214 alpha|ia64|mips|parisc|sparc)
2215 spic=$shared
2216 ;;
2217 x86)
2218 subarch="x86_32"
2219 check_cc <<EOF && subarch="x86_64"
2220 int test[(int)sizeof(char*) - 7];
2221 EOF
2222 if test "$subarch" = "x86_64"; then
2223 spic=$shared
2224 fi
2225 ;;
2226 esac
2227
2228 enable $subarch
2229 enabled spic && enable pic
2230
2231 # OS specific
2232 case $target_os in
2233 haiku)
2234 prefix_default="/boot/common"
2235 network_extralibs="-lnetwork"
2236 ;;
2237 sunos)
2238 FFSERVERLDFLAGS=""
2239 SHFLAGS='-shared -Wl,-h,$$(@F)'
2240 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2241 network_extralibs="-lsocket -lnsl"
2242 add_cppflags -D__EXTENSIONS__
2243 nm_opts='-P -g'
2244 ;;
2245 netbsd)
2246 oss_indev_extralibs="-lossaudio"
2247 oss_outdev_extralibs="-lossaudio"
2248 add_cppflags -D_XOPEN_SOURCE=600
2249 ;;
2250 openbsd)
2251 enable malloc_aligned
2252 # On OpenBSD 4.5. the compiler does not use PIC unless
2253 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2254 # however the generated executable will not do anything
2255 # (simply quits with exit-code 1, no crash, no output).
2256 # Thus explicitly enable PIC here.
2257 enable pic
2258 SHFLAGS='-shared'
2259 oss_indev_extralibs="-lossaudio"
2260 oss_outdev_extralibs="-lossaudio"
2261 ;;
2262 freebsd|dragonfly)
2263 enable malloc_aligned
2264 ;;
2265 bsd/os)
2266 add_extralibs -lpoll -lgnugetopt
2267 strip="strip -d"
2268 ;;
2269 darwin)
2270 enable malloc_aligned
2271 gas="gas-preprocessor.pl $cc"
2272 enabled ppc && add_asflags -force_cpusubtype_ALL
2273 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2274 strip="${strip} -x"
2275 add_ldflags -Wl,-dynamic,-search_paths_first
2276 SLIBSUF=".dylib"
2277 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2278 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2279 FFSERVERLDFLAGS=-Wl,-bind_at_load
2280 objformat="macho"
2281 enabled x86_64 && objformat="macho64"
2282 enabled_any pic shared ||
2283 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2284 ;;
2285 mingw32*)
2286 if test $target_os = "mingw32ce"; then
2287 disable network
2288 else
2289 target_os=mingw32
2290 fi
2291 LIBTARGET=i386
2292 if enabled x86_64; then
2293 enable malloc_aligned
2294 LIBTARGET=x64
2295 elif enabled arm; then
2296 LIBTARGET=arm
2297 fi
2298 shlibdir_default="$bindir_default"
2299 disable ffserver
2300 SLIBPREF=""
2301 SLIBSUF=".dll"
2302 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2303 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2304 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2305 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2306 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2307 install -d "$(LIBDIR)"; \
2308 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2309 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2310 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'
2311 objformat="win32"
2312 enable dos_paths
2313 check_cflags -fno-common
2314 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2315 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2316 die "ERROR: MinGW runtime version must be >= 3.15."
2317 ;;
2318 cygwin*)
2319 target_os=cygwin
2320 shlibdir_default="$bindir_default"
2321 SLIBPREF="cyg"
2322 SLIBSUF=".dll"
2323 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2324 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2325 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2326 objformat="win32"
2327 enable dos_paths
2328 check_cflags -fno-common
2329 ;;
2330 *-dos|freedos|opendos)
2331 disable ffplay ffserver
2332 disable $INDEV_LIST $OUTDEV_LIST
2333 network_extralibs="-lsocket"
2334 objformat="coff"
2335 enable dos_paths
2336 ;;
2337 linux)
2338 enable dv1394
2339 ;;
2340 irix*)
2341 target_os=irix
2342 ranlib="echo ignoring ranlib"
2343 ;;
2344 os/2*)
2345 strip="lxlite"
2346 ln_s="cp -f"
2347 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2348 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2349 FFSERVERLDFLAGS=""
2350 LIBSUF="_s.a"
2351 SLIBPREF=""
2352 SLIBSUF=".dll"
2353 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2354 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2355 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2356 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2357 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2358 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2359 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2360 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2361 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2362 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2363 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2364 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2365 enable dos_paths
2366 ;;
2367 gnu/kfreebsd)
2368 ;;
2369 gnu)
2370 ;;
2371 none)
2372 ;;
2373 *)
2374 die "Unknown OS '$target_os'."
2375 ;;
2376 esac
2377
2378 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2379
2380 set_default $PATHS_LIST
2381
2382 # we need to build at least one lib type
2383 if ! enabled_any static shared; then
2384 cat <<EOF
2385 At least one library type must be built.
2386 Specify --enable-static to build the static libraries or --enable-shared to
2387 build the shared libraries as well. To only build the shared libraries specify
2388 --disable-static in addition to --enable-shared.
2389 EOF
2390 exit 1;
2391 fi
2392
2393 disabled static && LIBNAME=""
2394
2395 die_license_disabled() {
2396 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2397 }
2398
2399 die_license_disabled gpl libx264
2400 die_license_disabled gpl libxavs
2401 die_license_disabled gpl libxvid
2402 die_license_disabled gpl postproc
2403 die_license_disabled gpl x11grab
2404
2405 die_license_disabled nonfree libfaac
2406
2407 die_license_disabled version3 libopencore_amrnb
2408 die_license_disabled version3 libopencore_amrwb
2409
2410 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2411
2412 check_deps $ARCH_EXT_LIST
2413
2414 disabled optimizations || check_cflags -fomit-frame-pointer
2415
2416 enable_pic() {
2417 enable pic
2418 add_cppflags -DPIC
2419 add_cflags -fPIC
2420 add_asflags -fPIC
2421 }
2422
2423 enabled pic && enable_pic
2424
2425 check_cc <<EOF || die "Symbol mangling check failed."
2426 int ff_extern;
2427 EOF
2428 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2429 extern_prefix=${sym%%ff_extern*}
2430
2431 check_cc <<EOF && enable inline_asm
2432 void foo(void) { __asm__ volatile ("" ::); }
2433 EOF
2434
2435 _restrict=
2436 for restrict_keyword in restrict __restrict__ __restrict; do
2437 check_cc <<EOF && _restrict=$restrict_keyword && break
2438 void foo(char * $restrict_keyword p);
2439 EOF
2440 done
2441
2442 check_cc <<EOF && enable attribute_packed
2443 struct { int x; } __attribute__((packed)) x;
2444 EOF
2445
2446 check_cc <<EOF && enable attribute_may_alias
2447 union { int x; } __attribute__((may_alias)) x;
2448 EOF
2449
2450 check_cc <<EOF || die "endian test failed"
2451 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2452 EOF
2453 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2454
2455 if enabled alpha; then
2456
2457 check_cflags -mieee
2458
2459 elif enabled arm; then
2460
2461 check_cflags -marm
2462 nogas=die
2463
2464 check_ld <<EOF && enable vfp_args
2465 __asm__ (".eabi_attribute 28, 1");
2466 int main(void) { return 0; }
2467 EOF
2468
2469 # We have to check if pld is a nop and disable it.
2470 check_asm pld '"pld [r0]"'
2471
2472 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2473 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2474 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2475 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2476 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2477 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2478
2479 enabled_all armv6t2 shared !pic && enable_pic
2480
2481 elif enabled mips; then
2482
2483 check_asm loongson '"dmult.g $1, $2, $3"'
2484 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2485
2486 elif enabled ppc; then
2487
2488 enable local_aligned_8 local_aligned_16
2489
2490 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2491 check_asm ibm_asm '"add 0, 0, 0"'
2492 check_asm ppc4xx '"maclhw r10, r11, r12"'
2493 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2494
2495 # AltiVec flags: The FSF version of GCC differs from the Apple version
2496 if enabled altivec; then
2497 nogas=warn
2498 check_cflags -maltivec -mabi=altivec &&
2499 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2500 check_cflags -faltivec
2501
2502 # check if our compiler supports Motorola AltiVec C API
2503 check_cc <<EOF || disable altivec
2504 $inc_altivec_h
2505 int main(void) {
2506 vector signed int v1, v2, v3;
2507 v1 = vec_add(v2,v3);
2508 return 0;
2509 }
2510 EOF
2511
2512 # check if our compiler supports braces for vector declarations
2513 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2514 $inc_altivec_h
2515 int main (void) { (vector int) {1}; return 0; }
2516 EOF
2517 fi
2518
2519 elif enabled sparc; then
2520
2521 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2522 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2523
2524 elif enabled x86; then
2525
2526 enable local_aligned_8 local_aligned_16
2527
2528 # check whether EBP is available on x86
2529 # As 'i' is stored on the stack, this program will crash
2530 # if the base pointer is used to access it because the
2531 # base pointer is cleared in the inline assembly code.
2532 check_exec_crash <<EOF && enable ebp_available
2533 volatile int i=0;
2534 __asm__ volatile (
2535 "xorl %%ebp, %%ebp"
2536 ::: "%ebp");
2537 return i;
2538 EOF
2539
2540 # check whether EBX is available on x86
2541 check_asm ebx_available '""::"b"(0)' &&
2542 check_asm ebx_available '"":::"%ebx"'
2543
2544 # check whether more than 10 operands are supported
2545 check_cc <<EOF && enable ten_operands
2546 int main(void) {
2547 int x=0;
2548 __asm__ volatile(
2549 ""
2550 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2551 );
2552 return 0;
2553 }
2554 EOF
2555
2556 # check whether binutils is new enough to compile SSSE3/MMX2
2557 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2558 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2559
2560 check_asm bswap '"bswap %%eax" ::: "%eax"'
2561
2562 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2563 enabled x86_64 && append YASMFLAGS "-m amd64"
2564 enabled pic && append YASMFLAGS "-DPIC"
2565 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2566 case "$objformat" in
2567 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2568 esac
2569 if ! disabled yasm; then
2570 check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2571 warn "yasm not found, performance will suffer"
2572 fi
2573
2574 case "$cpu" in
2575 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2576 disable fast_clz
2577 ;;
2578 esac
2579
2580 fi
2581
2582 if enabled asm; then
2583 as=${gas:=$as}
2584 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2585 $nogas "GNU assembler not found, install gas-preprocessor"
2586 fi
2587
2588 if check_func dlopen; then
2589 ldl=
2590 elif check_func dlopen -ldl; then
2591 ldl=-ldl
2592 fi
2593
2594 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2595 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2596
2597 check_func fcntl
2598 check_func fork
2599 check_func getaddrinfo $network_extralibs
2600 check_func gethrtime
2601 check_func getrusage
2602 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2603 check_func inet_aton $network_extralibs
2604 check_func isatty
2605 check_func ${malloc_prefix}memalign && enable memalign
2606 check_func mkstemp
2607 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2608 check_func setrlimit
2609 check_func strerror_r
2610 check_func_headers io.h setmode
2611 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2612 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2613 check_func_headers windows.h GetProcessTimes
2614 check_func_headers windows.h VirtualAlloc
2615
2616 check_header conio.h
2617 check_header dlfcn.h
2618 check_header dxva2api.h
2619 check_header malloc.h
2620 check_header poll.h
2621 check_header sys/mman.h
2622 check_header sys/resource.h
2623 check_header sys/select.h
2624 check_header termios.h
2625 check_header vdpau/vdpau.h
2626 check_header vdpau/vdpau_x11.h
2627 check_header X11/extensions/XvMClib.h
2628
2629 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2630
2631 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2632 enabled_any $need_memalign ; then
2633 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2634 fi
2635
2636 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2637 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2638
2639 # check for some common methods of building with pthread support
2640 # do this before the optional library checks as some of them require pthreads
2641 if ! disabled pthreads && ! enabled w32threads; then
2642 enable pthreads
2643 if check_func pthread_create; then
2644 :
2645 elif check_func pthread_create -pthread; then
2646 add_cflags -pthread
2647 add_extralibs -pthread
2648 elif check_func pthread_create -pthreads; then
2649 add_cflags -pthreads
2650 add_extralibs -pthreads
2651 elif check_func pthread_create -lpthreadGC2; then
2652 add_extralibs -lpthreadGC2
2653 elif ! check_lib pthread.h pthread_create -lpthread; then
2654 disable pthreads
2655 fi
2656 fi
2657
2658 for thread in $THREADS_LIST; do
2659 if enabled $thread; then
2660 test -n "$thread_type" &&
2661 die "ERROR: Only one thread type must be selected." ||
2662 thread_type="$thread"
2663 fi
2664 done
2665
2666 check_lib math.h sin -lm
2667 disabled vaapi || check_lib va/va.h vaInitialize -lva
2668
2669 check_mathfunc exp2
2670 check_mathfunc exp2f
2671 check_mathfunc llrint
2672 check_mathfunc llrintf
2673 check_mathfunc log2
2674 check_mathfunc log2f
2675 check_mathfunc lrint
2676 check_mathfunc lrintf
2677 check_mathfunc round
2678 check_mathfunc roundf
2679 check_mathfunc truncf
2680
2681 # these are off by default, so fail if requested and not available
2682 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2683 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2684 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2685 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2686 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2687 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2688 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame
2689 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2690 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2691 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2692 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2693 enabled librtmp && { check_lib librtmp/rtmp.h RTMP_Socket $(pkg-config --libs librtmp) ||
2694 die "ERROR: librtmp not found or RTMP_Socket() missing, librtmp version must be >= 2.2.f"; }
2695 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2696 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2697 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2698 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2699 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2700 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2701 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2702 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2703 die "ERROR: libvpx encoder version must be >=0.9.1"; }
2704 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2705 { check_cpp_condition x264.h "X264_BUILD >= 98" ||
2706 die "ERROR: libx264 version must be >= 0.98."; }
2707 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2708 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2709 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2710
2711 # libdc1394 check
2712 if enabled libdc1394; then
2713 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2714 enable libdc1394_2; } ||
2715 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2716 enable libdc1394_1; } ||
2717 die "ERROR: No version of libdc1394 found "
2718 fi
2719
2720 SDL_CONFIG="${cross_prefix}sdl-config"
2721 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2722 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2723 sdl_libs=$("${SDL_CONFIG}" --libs)
2724 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2725 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2726 enable sdl &&
2727 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2728 fi
2729
2730 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2731
2732 if enabled network; then
2733 check_type "sys/types.h sys/socket.h" socklen_t
2734 check_type netdb.h "struct addrinfo"
2735 check_type netinet/in.h "struct ipv6_mreq"
2736 check_type netinet/in.h "struct sockaddr_in6"
2737 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2738 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2739 # Prefer arpa/inet.h over winsock2
2740 if check_header arpa/inet.h ; then
2741 check_func closesocket
2742 elif check_header winsock2.h ; then
2743 check_func_headers winsock2.h closesocket -lws2 && \
2744 network_extralibs="-lws2" || \
2745 { check_func_headers winsock2.h closesocket -lws2_32 && \
2746 network_extralibs="-lws2_32"; }
2747 check_type ws2tcpip.h socklen_t
2748 check_type ws2tcpip.h "struct addrinfo"
2749 check_type ws2tcpip.h "struct ipv6_mreq"
2750 check_type ws2tcpip.h "struct sockaddr_in6"
2751 check_type ws2tcpip.h "struct sockaddr_storage"
2752 check_struct winsock2.h "struct sockaddr" sa_len
2753 else
2754 disable network
2755 fi
2756 fi
2757
2758 check_header linux/videodev.h
2759 check_header linux/videodev2.h
2760 check_header sys/videoio.h
2761
2762 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2763 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2764 # w32api 3.12 had it defined wrong
2765 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2766
2767 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2768 { check_header dev/bktr/ioctl_meteor.h &&
2769 check_header dev/bktr/ioctl_bt848.h; } ||
2770 { check_header machine/ioctl_meteor.h &&
2771 check_header machine/ioctl_bt848.h; } ||
2772 { check_header dev/video/meteor/ioctl_meteor.h &&
2773 check_header dev/video/bktr/ioctl_bt848.h; } ||
2774 check_header dev/ic/bt8xx.h
2775
2776 check_header sys/soundcard.h
2777 check_header soundcard.h
2778
2779 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2780
2781 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2782
2783 enabled x11grab &&
2784 check_header X11/Xlib.h &&
2785 check_header X11/extensions/XShm.h &&
2786 check_header X11/extensions/Xfixes.h &&
2787 check_func XOpenDisplay -lX11 &&
2788 check_func XShmCreateImage -lX11 -lXext &&
2789 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2790
2791 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2792 check_cpp_condition \
2793 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2794 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2795 disable vdpau; }
2796 fi
2797
2798 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2799
2800 # add some useful compiler flags if supported
2801 check_cflags -Wdeclaration-after-statement
2802 check_cflags -Wall
2803 check_cflags -Wno-parentheses
2804 check_cflags -Wno-switch
2805 check_cflags -Wdisabled-optimization
2806 check_cflags -Wpointer-arith
2807 check_cflags -Wredundant-decls
2808 check_cflags -Wno-pointer-sign
2809 check_cflags -Wcast-qual
2810 check_cflags -Wwrite-strings
2811 check_cflags -Wtype-limits
2812 check_cflags -Wundef
2813 check_cflags -Wmissing-prototypes
2814 enabled extra_warnings && check_cflags -Winline
2815
2816 # add some linker flags
2817 check_ldflags -Wl,--warn-common
2818 check_ldflags -Wl,--as-needed
2819 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'
2820 check_ldflags -Wl,-Bsymbolic
2821
2822 echo "X{};" > $TMPV
2823 if test_ldflags -Wl,--version-script,$TMPV; then
2824 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2825 check_cc <<EOF && enable symver_asm_label
2826 void ff_foo(void) __asm__ ("av_foo@VERSION");
2827 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2828 EOF
2829 check_cc <<EOF && enable symver_gnu_asm
2830 __asm__(".symver ff_foo,av_foo@VERSION");
2831 void ff_foo(void) {}
2832 EOF
2833 fi
2834
2835 if enabled small; then
2836 add_cflags $size_cflags
2837 optimizations="small"
2838 elif enabled optimizations; then
2839 add_cflags $speed_cflags
2840 else
2841 add_cflags $noopt_cflags
2842 fi
2843 check_cflags -fno-math-errno
2844 check_cflags -fno-signed-zeros
2845
2846 if enabled icc; then
2847 # Just warnings, no remarks
2848 check_cflags -w1
2849 # -wd: Disable following warnings
2850 # 144, 167, 556: -Wno-pointer-sign
2851 # 10006: ignoring unknown option -fno-signed-zeros
2852 # 10156: ignoring option '-W'; no argument required
2853 check_cflags -wd144,167,556,10006,10156
2854 # 11030: Warning unknown option --as-needed
2855 # 10156: ignoring option '-export'; no argument required
2856 check_ldflags -wd10156,11030
2857 # Allow to compile with optimizations
2858 check_ldflags -march=$cpu
2859 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2860 enable ebp_available
2861 elif enabled ccc; then
2862 # disable some annoying warnings
2863 add_cflags -msg_disable cvtu32to64
2864 add_cflags -msg_disable embedcomment
2865 add_cflags -msg_disable needconstext
2866 add_cflags -msg_disable nomainieee
2867 add_cflags -msg_disable ptrmismatch1
2868 add_cflags -msg_disable unreachcode
2869 elif enabled gcc; then
2870 check_cflags -fno-tree-vectorize
2871 check_cflags -Werror=implicit-function-declaration
2872 check_cflags -Werror=missing-prototypes
2873 elif enabled clang; then
2874 check_cflags -Qunused-arguments
2875 elif enabled armcc; then
2876 # 2523: use of inline assembler is deprecated
2877 add_cflags -Wrvct,--diag_suppress=2523
2878 add_cflags -Wrvct,--diag_suppress=1207
2879 elif enabled tms470; then
2880 add_cflags -pds=824 -pds=837
2881 fi
2882
2883 enabled_any $THREADS_LIST && enable threads
2884
2885 check_deps $CONFIG_LIST \
2886 $CONFIG_EXTRA \
2887 $HAVE_LIST \
2888 $DECODER_LIST \
2889 $ENCODER_LIST \
2890 $HWACCEL_LIST \
2891 $PARSER_LIST \
2892 $BSF_LIST \
2893 $DEMUXER_LIST \
2894 $MUXER_LIST \
2895 $FILTER_LIST \
2896 $INDEV_LIST \
2897 $OUTDEV_LIST \
2898 $PROTOCOL_LIST \
2899 $ACODEC_TESTS \
2900 $VCODEC_TESTS \
2901 $LAVF_TESTS \
2902 $LAVFI_TESTS \
2903 $SEEK_TESTS \
2904
2905 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
2906
2907 echo "install prefix $prefix"
2908 echo "source path $source_path"
2909 echo "C compiler $cc"
2910 echo "ARCH $arch ($cpu)"
2911 if test "$build_suffix" != ""; then
2912 echo "build suffix $build_suffix"
2913 fi
2914 if test "$extra_version" != ""; then
2915 echo "version string suffix $extra_version"
2916 fi
2917 echo "big-endian ${bigendian-no}"
2918 echo "runtime cpu detection ${runtime_cpudetect-no}"
2919 if enabled x86; then
2920 echo "yasm ${yasm-no}"
2921 echo "MMX enabled ${mmx-no}"
2922 echo "MMX2 enabled ${mmx2-no}"
2923 echo "3DNow! enabled ${amd3dnow-no}"
2924 echo "3DNow! extended enabled ${amd3dnowext-no}"
2925 echo "SSE enabled ${sse-no}"
2926 echo "SSSE3 enabled ${ssse3-no}"
2927 echo "CMOV enabled ${cmov-no}"
2928 echo "CMOV is fast ${fast_cmov-no}"
2929 echo "EBX available ${ebx_available-no}"
2930 echo "EBP available ${ebp_available-no}"
2931 echo "10 operands supported ${ten_operands-no}"
2932 fi
2933 if enabled arm; then
2934 echo "ARMv5TE enabled ${armv5te-no}"
2935 echo "ARMv6 enabled ${armv6-no}"
2936 echo "ARMv6T2 enabled ${armv6t2-no}"
2937 echo "ARM VFP enabled ${armvfp-no}"
2938 echo "IWMMXT enabled ${iwmmxt-no}"
2939 echo "NEON enabled ${neon-no}"
2940 fi
2941 if enabled mips; then
2942 echo "MMI enabled ${mmi-no}"
2943 fi
2944 if enabled ppc; then
2945 echo "AltiVec enabled ${altivec-no}"
2946 echo "PPC 4xx optimizations ${ppc4xx-no}"
2947 echo "dcbzl available ${dcbzl-no}"
2948 fi
2949 if enabled sparc; then
2950 echo "VIS enabled ${vis-no}"
2951 fi
2952 echo "debug symbols ${debug-no}"
2953 echo "strip symbols ${stripping-no}"
2954 echo "optimizations ${optimizations-no}"
2955 echo "static ${static-no}"
2956 echo "shared ${shared-no}"
2957 echo "postprocessing support ${postproc-no}"
2958 echo "new filter support ${avfilter-no}"
2959 echo "network support ${network-no}"
2960 echo "threading support ${thread_type-no}"
2961 echo "SDL support ${sdl-no}"
2962 echo "Sun medialib support ${mlib-no}"
2963 echo "AVISynth enabled ${avisynth-no}"
2964 echo "libdc1394 support ${libdc1394-no}"
2965 echo "libdirac enabled ${libdirac-no}"
2966 echo "libfaac enabled ${libfaac-no}"
2967 echo "libgsm enabled ${libgsm-no}"
2968 echo "libmp3lame enabled ${libmp3lame-no}"
2969 echo "libnut enabled ${libnut-no}"
2970 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2971 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2972 echo "libopenjpeg enabled ${libopenjpeg-no}"
2973 echo "librtmp enabled ${librtmp-no}"
2974 echo "libschroedinger enabled ${libschroedinger-no}"
2975 echo "libspeex enabled ${libspeex-no}"
2976 echo "libtheora enabled ${libtheora-no}"
2977 echo "libvorbis enabled ${libvorbis-no}"
2978 echo "libvpx enabled ${libvpx-no}"
2979 echo "libx264 enabled ${libx264-no}"
2980 echo "libxavs enabled ${libxavs-no}"
2981 echo "libxvid enabled ${libxvid-no}"
2982 echo "zlib enabled ${zlib-no}"
2983 echo "bzlib enabled ${bzlib-no}"
2984 echo
2985
2986 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2987 echo "Enabled ${type}s:"
2988 eval list=\$$(toupper $type)_LIST
2989 print_enabled '_*' $list | sort | pr -3 -t
2990 echo
2991 done
2992
2993 license="LGPL version 2.1 or later"
2994 if enabled nonfree; then
2995 license="nonfree and unredistributable"
2996 elif enabled gplv3; then
2997 license="GPL version 3 or later"
2998 elif enabled lgplv3; then
2999 license="LGPL version 3 or later"
3000 elif enabled gpl; then
3001 license="GPL version 2 or later"
3002 fi
3003
3004 echo "License: $license"
3005
3006 echo "Creating config.mak and config.h..."
3007
3008 # build tree in object directory if source path is different from current one
3009 if enabled source_path_used; then
3010 DIRS="
3011 doc
3012 libavcodec
3013 libavcodec/$arch
3014 libavcore
3015 libavdevice
3016 libavfilter
3017 libavformat
3018 libavutil
3019 libavutil/$arch
3020 libpostproc
3021 libswscale
3022 libswscale/$arch
3023 tests
3024 tools
3025 "
3026 FILES="
3027 Makefile
3028 common.mak
3029 subdir.mak
3030 doc/texi2pod.pl
3031 libavcodec/Makefile
3032 libavcodec/${arch}/Makefile
3033 libavcore/Makefile
3034 libavdevice/Makefile
3035 libavfilter/Makefile
3036 libavformat/Makefile
3037 libavutil/Makefile
3038 libpostproc/Makefile
3039 libswscale/Makefile
3040 "
3041 map 'mkdir -p $v' $DIRS;
3042 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
3043 fi
3044
3045 enabled stripping || strip="echo skipping strip"
3046
3047 cat > config.mak <<EOF
3048 # Automatically generated by configure - do not modify!
3049 ifndef FFMPEG_CONFIG_MAK
3050 FFMPEG_CONFIG_MAK=1
3051 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3052 prefix=$prefix
3053 LIBDIR=\$(DESTDIR)$libdir
3054 SHLIBDIR=\$(DESTDIR)$shlibdir
3055 INCDIR=\$(DESTDIR)$incdir
3056 BINDIR=\$(DESTDIR)$bindir
3057 DATADIR=\$(DESTDIR)$datadir
3058 MANDIR=\$(DESTDIR)$mandir
3059 SRC_PATH="$source_path"
3060 SRC_PATH_BARE=$source_path
3061 BUILD_ROOT="$PWD"
3062 CC_IDENT=$cc_ident
3063 ARCH=$arch
3064 CC=$cc
3065 AS=$as
3066 LD=$ld
3067 DEPCC=$dep_cc
3068 YASM=$yasmexe
3069 YASMDEP=$yasmexe
3070 AR=$ar
3071 RANLIB=$ranlib
3072 CP=cp -p
3073 LN_S=$ln_s
3074 STRIP=$strip
3075 CPPFLAGS=$CPPFLAGS
3076 CFLAGS=$CFLAGS
3077 ASFLAGS=$ASFLAGS
3078 CC_O=$CC_O
3079 LDFLAGS=$LDFLAGS
3080 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3081 SHFLAGS=$SHFLAGS
3082 YASMFLAGS=$YASMFLAGS
3083 BUILDSUF=$build_suffix
3084 FULLNAME=$FULLNAME
3085 LIBPREF=$LIBPREF
3086 LIBSUF=$LIBSUF
3087 LIBNAME=$LIBNAME
3088 SLIBPREF=$SLIBPREF
3089 SLIBSUF=$SLIBSUF
3090 EXESUF=$EXESUF
3091 EXTRA_VERSION=$extra_version
3092 DEPFLAGS=$DEPFLAGS
3093 CCDEP=$CCDEP
3094 ASDEP=$ASDEP
3095 CC_DEPFLAGS=$CC_DEPFLAGS
3096 AS_DEPFLAGS=$AS_DEPFLAGS
3097 HOSTCC=$host_cc
3098 HOSTCFLAGS=$host_cflags
3099 HOSTEXESUF=$HOSTEXESUF
3100 HOSTLDFLAGS=$host_ldflags
3101 HOSTLIBS=$host_libs
3102 TARGET_EXEC=$target_exec
3103 TARGET_PATH=$target_path
3104 SDL_LIBS=$sdl_libs
3105 SDL_CFLAGS=$sdl_cflags
3106 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3107 EXTRALIBS=$extralibs
3108 INSTALL=install
3109 LIBTARGET=${LIBTARGET}
3110 SLIBNAME=${SLIBNAME}
3111 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3112 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3113 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3114 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3115 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3116 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3117 SAMPLES=$samples
3118 EOF
3119
3120 get_version(){
3121 name=$1
3122 file=$source_path/$2
3123 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3124 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3125 lcname=$(tolower $name)
3126 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3127 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3128 }
3129
3130 get_version LIBSWSCALE libswscale/swscale.h
3131 get_version LIBPOSTPROC libpostproc/postprocess.h
3132 get_version LIBAVCODEC libavcodec/avcodec.h
3133 get_version LIBAVCORE libavcore/avcore.h
3134 get_version LIBAVDEVICE libavdevice/avdevice.h
3135 get_version LIBAVFORMAT libavformat/avformat.h
3136 get_version LIBAVUTIL libavutil/avutil.h
3137 get_version LIBAVFILTER libavfilter/avfilter.h
3138
3139 cat > $TMPH <<EOF
3140 /* Automatically generated by configure - do not modify! */
3141 #ifndef FFMPEG_CONFIG_H
3142 #define FFMPEG_CONFIG_H
3143 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3144 #define FFMPEG_LICENSE "$(c_escape $license)"
3145 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3146 #define CC_TYPE "$cc_type"
3147 #define CC_VERSION $cc_version
3148 #define restrict $_restrict
3149 #define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
3150 #define EXTERN_PREFIX "${extern_prefix}"
3151 #define EXTERN_ASM ${extern_prefix}
3152 EOF
3153
3154 test -n "$malloc_prefix" &&
3155 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3156
3157 if enabled small || disabled optimizations; then
3158 echo "#undef av_always_inline" >> $TMPH
3159 echo "#define av_always_inline" >> $TMPH
3160 fi
3161
3162 print_config ARCH_ $TMPH config.mak $ARCH_LIST
3163 print_config HAVE_ $TMPH config.mak $HAVE_LIST
3164 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
3165 $CONFIG_EXTRA \
3166 $DECODER_LIST \
3167 $ENCODER_LIST \
3168 $HWACCEL_LIST \
3169 $PARSER_LIST \
3170 $BSF_LIST \
3171 $DEMUXER_LIST \
3172 $MUXER_LIST \
3173 $FILTER_LIST \
3174 $PROTOCOL_LIST \
3175 $INDEV_LIST \
3176 $OUTDEV_LIST \
3177
3178 cat >>config.mak <<EOF
3179 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3180 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3181 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3182 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3183 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3184 EOF
3185
3186 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3187 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3188
3189 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3190 cp_if_changed $TMPH config.h
3191 touch .config
3192
3193 cat > $TMPH <<EOF
3194 /* Generated by ffconf */
3195 #ifndef AVUTIL_AVCONFIG_H
3196 #define AVUTIL_AVCONFIG_H
3197 EOF
3198
3199 print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3200
3201 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3202
3203 cp_if_changed $TMPH libavutil/avconfig.h
3204
3205 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
3206
3207 test -n "$WARNINGS" && printf "\n$WARNINGS"
3208
3209 # build pkg-config files
3210
3211 pkgconfig_generate(){
3212 name=$1
3213 shortname=${name#lib}${build_suffix}
3214 comment=$2
3215 version=$3
3216 libs=$4
3217 requires=$5
3218 enabled $shortname || return 0
3219 cat <<EOF > $name/$name.pc
3220 prefix=$prefix
3221 exec_prefix=\${prefix}
3222 libdir=$libdir
3223 includedir=$incdir
3224
3225 Name: $name
3226 Description: $comment
3227 Version: $version
3228 Requires: $(enabled shared || echo $requires)
3229 Requires.private: $(enabled shared && echo $requires)
3230 Conflicts:
3231 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3232 Libs.private: $(enabled shared && echo $libs)
3233 Cflags: -I\${includedir}
3234 EOF
3235 cat <<EOF > $name/$name-uninstalled.pc
3236 prefix=
3237 exec_prefix=
3238 libdir=\${pcfiledir}
3239 includedir=${source_path}
3240
3241 Name: $name
3242 Description: $comment
3243 Version: $version
3244 Requires: $requires
3245 Conflicts:
3246 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3247 Cflags: -I\${includedir}
3248 EOF
3249 }
3250
3251 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3252 pkgconfig_generate libavcore "FFmpeg multimedia shared core utilities library" "$LIBAVCORE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3253 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3254 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3255 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3256 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3257 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3258 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"