2996f4a743d163ed5db504da2240dd6df1f764cc
[libav.git] / configure
1 #!/bin/sh
2 #
3 # FFmpeg configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
43 fi
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
54 exit 1
55 fi
56
57 show_help(){
58 cat <<EOF
59 Usage: configure [options]
60 Options: [defaults in brackets after descriptions]
61
62 Standard options:
63 --help print this message
64 --logfile=FILE log tests and output to FILE [config.log]
65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74 Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-ffplay disable ffplay build
85 --disable-ffprobe disable ffprobe build
86 --disable-ffserver disable ffserver build
87 --disable-avdevice disable libavdevice build
88 --disable-avcodec disable libavcodec build
89 --disable-avcore disable libavcore build
90 --disable-avformat disable libavformat build
91 --disable-swscale disable libswscale build
92 --enable-postproc enable GPLed postprocessing support [no]
93 --disable-avfilter disable video filter support [no]
94 --disable-pthreads disable pthreads [auto]
95 --enable-w32threads use Win32 threads [no]
96 --enable-x11grab enable X11 grabbing [no]
97 --disable-network disable network support [no]
98 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
99 --enable-gray enable full grayscale support (slower color)
100 --disable-swscale-alpha disable alpha channel support in swscale
101 --disable-fastdiv disable table-based division
102 --enable-small optimize for size instead of speed
103 --disable-aandct disable AAN DCT code
104 --disable-dct disable DCT code
105 --disable-fft disable FFT code
106 --disable-golomb disable Golomb code
107 --disable-lpc disable LPC code
108 --disable-mdct disable MDCT code
109 --disable-rdft disable RDFT code
110 --disable-vaapi disable VAAPI code
111 --disable-vdpau disable VDPAU code
112 --disable-dxva2 disable DXVA2 code
113 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
114 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
115 --enable-memalign-hack emulate memalign, interferes with memory debuggers
116 --disable-everything disable all components listed below
117 --disable-encoder=NAME disable encoder NAME
118 --enable-encoder=NAME enable encoder NAME
119 --disable-encoders disable all encoders
120 --disable-decoder=NAME disable decoder NAME
121 --enable-decoder=NAME enable decoder NAME
122 --disable-decoders disable all decoders
123 --disable-hwaccel=NAME disable hwaccel NAME
124 --enable-hwaccel=NAME enable hwaccel NAME
125 --disable-hwaccels disable all hwaccels
126 --disable-muxer=NAME disable muxer NAME
127 --enable-muxer=NAME enable muxer NAME
128 --disable-muxers disable all muxers
129 --disable-demuxer=NAME disable demuxer NAME
130 --enable-demuxer=NAME enable demuxer NAME
131 --disable-demuxers disable all demuxers
132 --enable-parser=NAME enable parser NAME
133 --disable-parser=NAME disable parser NAME
134 --disable-parsers disable all parsers
135 --enable-bsf=NAME enable bitstream filter NAME
136 --disable-bsf=NAME disable bitstream filter NAME
137 --disable-bsfs disable all bitstream filters
138 --enable-protocol=NAME enable protocol NAME
139 --disable-protocol=NAME disable protocol NAME
140 --disable-protocols disable all protocols
141 --disable-indev=NAME disable input device NAME
142 --disable-outdev=NAME disable output device NAME
143 --disable-indevs disable input devices
144 --disable-outdevs disable output devices
145 --disable-devices disable all devices
146 --enable-filter=NAME enable filter NAME
147 --disable-filter=NAME disable filter NAME
148 --disable-filters disable all filters
149 --list-decoders show all available decoders
150 --list-encoders show all available encoders
151 --list-hwaccels show all available hardware accelerators
152 --list-muxers show all available muxers
153 --list-demuxers show all available demuxers
154 --list-parsers show all available parsers
155 --list-protocols show all available protocols
156 --list-bsfs show all available bitstream filters
157 --list-indevs show all available input devices
158 --list-outdevs show all available output devices
159 --list-filters show all available filters
160
161 External library support:
162 --enable-avisynth enable reading of AVISynth script files [no]
163 --enable-bzlib enable bzlib [autodetect]
164 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
165 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
166 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
167 and libraw1394 [no]
168 --enable-libdirac enable Dirac support via libdirac [no]
169 --enable-libfaac enable FAAC support via libfaac [no]
170 --enable-libgsm enable GSM support via libgsm [no]
171 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
172 --enable-libnut enable NUT (de)muxing via libnut,
173 native (de)muxer exists [no]
174 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
175 --enable-librtmp enable RTMP[E] support via librtmp [no]
176 --enable-libschroedinger enable Dirac support via libschroedinger [no]
177 --enable-libspeex enable Speex decoding via libspeex [no]
178 --enable-libtheora enable Theora encoding via libtheora [no]
179 --enable-libvorbis enable Vorbis encoding via libvorbis,
180 native implementation exists [no]
181 --enable-libvpx enable VP8 support via libvpx [no]
182 --enable-libx264 enable H.264 encoding via x264 [no]
183 --enable-libxavs enable AVS encoding via xavs [no]
184 --enable-libxvid enable Xvid encoding via xvidcore,
185 native MPEG-4/Xvid encoder exists [no]
186 --enable-mlib enable Sun medialib [no]
187 --enable-zlib enable zlib [autodetect]
188
189 Advanced options (experts only):
190 --source-path=PATH path to source code [$source_path]
191 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
192 --enable-cross-compile assume a cross-compiler is used
193 --sysroot=PATH root of cross-build tree
194 --sysinclude=PATH location of cross-build system headers
195 --target-os=OS compiler targets OS [$target_os]
196 --target-exec=CMD command to run executables on target
197 --target-path=DIR path to view of build directory on target
198 --nm=NM use nm tool
199 --ar=AR use archive tool AR [$ar_default]
200 --as=AS use assembler AS [$as_default]
201 --cc=CC use C compiler CC [$cc_default]
202 --ld=LD use linker LD
203 --host-cc=HOSTCC use host C compiler HOSTCC
204 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
205 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
206 --host-libs=HLIBS use libs HLIBS when linking for host
207 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
208 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
209 --extra-libs=ELIBS add ELIBS [$ELIBS]
210 --extra-version=STRING version string suffix []
211 --build-suffix=SUFFIX library name suffix []
212 --arch=ARCH select architecture [$arch]
213 --cpu=CPU select the minimum required CPU (affects
214 instruction selection, may crash on older CPUs)
215 --disable-asm disable all assembler optimizations
216 --disable-altivec disable AltiVec optimizations
217 --disable-amd3dnow disable 3DNow! optimizations
218 --disable-amd3dnowext disable 3DNow! extended optimizations
219 --disable-mmx disable MMX optimizations
220 --disable-mmx2 disable MMX2 optimizations
221 --disable-sse disable SSE optimizations
222 --disable-ssse3 disable SSSE3 optimizations
223 --disable-armv5te disable armv5te optimizations
224 --disable-armv6 disable armv6 optimizations
225 --disable-armv6t2 disable armv6t2 optimizations
226 --disable-armvfp disable ARM VFP optimizations
227 --disable-iwmmxt disable iwmmxt optimizations
228 --disable-mmi disable MMI optimizations
229 --disable-neon disable neon optimizations
230 --disable-vis disable VIS optimizations
231 --disable-yasm disable use of yasm assembler
232 --enable-pic build position-independent code
233 --malloc-prefix=PFX prefix malloc and related names with PFX
234 --enable-sram allow use of on-chip SRAM
235
236 Developer options (useful when working on FFmpeg itself):
237 --disable-debug disable debugging symbols
238 --enable-debug=LEVEL set the debug level [$debuglevel]
239 --disable-optimizations disable compiler optimizations
240 --enable-extra-warnings enable more compiler warnings
241 --disable-stripping disable stripping of executables and shared libraries
242 --samples=PATH location of test samples for FATE
243
244 NOTE: Object files are built at the place where configure is launched.
245 EOF
246 exit 0
247 }
248
249 quotes='""'
250
251 log(){
252 echo "$@" >> $logfile
253 }
254
255 log_file(){
256 log BEGIN $1
257 pr -n -t $1 >> $logfile
258 log END $1
259 }
260
261 echolog(){
262 log "$@"
263 echo "$@"
264 }
265
266 warn(){
267 log "WARNING: $*"
268 WARNINGS="${WARNINGS}WARNING: $*\n"
269 }
270
271 die(){
272 echolog "$@"
273 cat <<EOF
274
275 If you think configure made a mistake, make sure you are using the latest
276 version from SVN. If the latest version fails, report the problem to the
277 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
278 EOF
279 if disabled logging; then
280 cat <<EOF
281 Rerun configure with logging enabled (do not use --disable-logging), and
282 include the log this produces with your report.
283 EOF
284 else
285 cat <<EOF
286 Include the log file "$logfile" produced by configure as this will help
287 solving the problem.
288 EOF
289 fi
290 exit 1
291 }
292
293 # Avoid locale weirdness, besides we really just want to translate ASCII.
294 toupper(){
295 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
296 }
297
298 tolower(){
299 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
300 }
301
302 c_escape(){
303 echo "$*" | sed 's/["\\]/\\\0/g'
304 }
305
306 sh_quote(){
307 v=$(echo "$1" | sed "s/'/'\\\\''/g")
308 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
309 echo "$v"
310 }
311
312 filter(){
313 pat=$1
314 shift
315 for v; do
316 eval "case $v in $pat) echo $v ;; esac"
317 done
318 }
319
320 map(){
321 m=$1
322 shift
323 for v; do eval $m; done
324 }
325
326 set_all(){
327 value=$1
328 shift
329 for var in $*; do
330 eval $var=$value
331 done
332 }
333
334 set_weak(){
335 value=$1
336 shift
337 for var; do
338 eval : \${$var:=$value}
339 done
340 }
341
342 pushvar(){
343 for var in $*; do
344 eval level=\${${var}_level:=0}
345 eval ${var}_${level}="\$$var"
346 eval ${var}_level=$(($level+1))
347 done
348 }
349
350 popvar(){
351 for var in $*; do
352 eval level=\${${var}_level:-0}
353 test $level = 0 && continue
354 eval level=$(($level-1))
355 eval $var="\${${var}_${level}}"
356 eval ${var}_level=$level
357 eval unset ${var}_${level}
358 done
359 }
360
361 enable(){
362 set_all yes $*
363 }
364
365 disable(){
366 set_all no $*
367 }
368
369 enable_weak(){
370 set_weak yes $*
371 }
372
373 disable_weak(){
374 set_weak no $*
375 }
376
377 enable_safe(){
378 for var; do
379 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
380 done
381 }
382
383 disable_safe(){
384 for var; do
385 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
386 done
387 }
388
389 do_enable_deep(){
390 for var; do
391 enabled $var && continue
392 eval sel="\$${var}_select"
393 eval sgs="\$${var}_suggest"
394 pushvar var sgs
395 enable_deep $sel
396 popvar sgs
397 enable_deep_weak $sgs
398 popvar var
399 done
400 }
401
402 enable_deep(){
403 do_enable_deep $*
404 enable $*
405 }
406
407 enable_deep_weak(){
408 do_enable_deep $*
409 enable_weak $*
410 }
411
412 enabled(){
413 test "${1#!}" = "$1" && op== || op=!=
414 eval test "x\$${1#!}" $op "xyes"
415 }
416
417 disabled(){
418 test "${1#!}" = "$1" && op== || op=!=
419 eval test "x\$${1#!}" $op "xno"
420 }
421
422 enabled_all(){
423 for opt; do
424 enabled $opt || return 1
425 done
426 }
427
428 disabled_all(){
429 for opt; do
430 disabled $opt || return 1
431 done
432 }
433
434 enabled_any(){
435 for opt; do
436 enabled $opt && return 0
437 done
438 }
439
440 disabled_any(){
441 for opt; do
442 disabled $opt && return 0
443 done
444 return 1
445 }
446
447 set_default(){
448 for opt; do
449 eval : \${$opt:=\$${opt}_default}
450 done
451 }
452
453 is_in(){
454 value=$1
455 shift
456 for var in $*; do
457 [ $var = $value ] && return 0
458 done
459 return 1
460 }
461
462 check_deps(){
463 for cfg; do
464 cfg="${cfg#!}"
465 enabled ${cfg}_checking && die "Circular dependency for $cfg."
466 disabled ${cfg}_checking && continue
467 enable ${cfg}_checking
468
469 eval dep_all="\$${cfg}_deps"
470 eval dep_any="\$${cfg}_deps_any"
471 eval dep_sel="\$${cfg}_select"
472 eval dep_sgs="\$${cfg}_suggest"
473 eval dep_ifa="\$${cfg}_if"
474 eval dep_ifn="\$${cfg}_if_any"
475
476 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
477 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
478 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
479
480 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
481 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
482 enabled_all $dep_all || disable $cfg
483 enabled_any $dep_any || disable $cfg
484 disabled_any $dep_sel && disable $cfg
485
486 if enabled $cfg; then
487 eval dep_extralibs="\$${cfg}_extralibs"
488 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
489 enable_deep $dep_sel
490 enable_deep_weak $dep_sgs
491 fi
492
493 disable ${cfg}_checking
494 done
495 }
496
497 print_config(){
498 pfx=$1
499 header=$2
500 makefile=$3
501 shift 3
502 for cfg; do
503 ucname="$(toupper $cfg)"
504 if enabled $cfg; then
505 echo "#define ${pfx}${ucname} 1" >> $header
506 echo "${pfx}${ucname}=yes" >> $makefile
507 else
508 echo "#define ${pfx}${ucname} 0" >> $header
509 echo "!${pfx}${ucname}=yes" >> $makefile
510 fi
511 done
512 }
513
514 print_enabled(){
515 test "$1" = -n && end=" " && shift || end="\n"
516 suf=$1
517 shift
518 for v; do
519 enabled $v && printf "%s$end" ${v%$suf};
520 done
521 }
522
523 append(){
524 var=$1
525 shift
526 eval "$var=\"\$$var $*\""
527 }
528
529 prepend(){
530 var=$1
531 shift
532 eval "$var=\"$* \$$var\""
533 }
534
535 add_cppflags(){
536 append CPPFLAGS $($filter_cppflags "$@")
537 }
538
539 add_cflags(){
540 append CFLAGS $($filter_cflags "$@")
541 }
542
543 add_asflags(){
544 append ASFLAGS $($filter_asflags "$@")
545 }
546
547 add_ldflags(){
548 append LDFLAGS "$@"
549 }
550
551 add_extralibs(){
552 prepend extralibs "$@"
553 }
554
555 check_cmd(){
556 log "$@"
557 "$@" >> $logfile 2>&1
558 }
559
560 check_cc(){
561 log check_cc "$@"
562 cat > $TMPC
563 log_file $TMPC
564 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
565 }
566
567 check_cpp(){
568 log check_cpp "$@"
569 cat > $TMPC
570 log_file $TMPC
571 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
572 }
573
574 check_as(){
575 log check_as "$@"
576 cat > $TMPC
577 log_file $TMPC
578 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
579 }
580
581 check_asm(){
582 log check_asm "$@"
583 name="$1"
584 code="$2"
585 shift 2
586 disable $name
587 check_as "$@" <<EOF && enable $name
588 void foo(void){ __asm__ volatile($code); }
589 EOF
590 }
591
592 check_yasm(){
593 log check_yasm "$@"
594 echo "$1" > $TMPS
595 log_file $TMPS
596 shift 1
597 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
598 }
599
600 check_ld(){
601 log check_ld "$@"
602 flags=''
603 libs=''
604 for f; do
605 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
606 done
607 check_cc $($filter_cflags $flags) || return
608 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
609 }
610
611 check_cppflags(){
612 log check_cppflags "$@"
613 set -- $($filter_cppflags "$@")
614 check_cc "$@" <<EOF && append CPPFLAGS "$@"
615 int x;
616 EOF
617 }
618
619 check_cflags(){
620 log check_cflags "$@"
621 set -- $($filter_cflags "$@")
622 check_cc "$@" <<EOF && append CFLAGS "$@"
623 int x;
624 EOF
625 }
626
627 test_ldflags(){
628 log test_ldflags "$@"
629 check_ld "$@" <<EOF
630 int main(void){ return 0; }
631 EOF
632 }
633
634 check_ldflags(){
635 log check_ldflags "$@"
636 test_ldflags "$@" && add_ldflags "$@"
637 }
638
639 check_header(){
640 log check_header "$@"
641 header=$1
642 shift
643 disable_safe $header
644 check_cpp "$@" <<EOF && enable_safe $header
645 #include <$header>
646 int x;
647 EOF
648 }
649
650 check_func(){
651 log check_func "$@"
652 func=$1
653 shift
654 disable $func
655 check_ld "$@" <<EOF && enable $func
656 extern int $func();
657 int main(void){ $func(); }
658 EOF
659 }
660
661 check_mathfunc(){
662 log check_mathfunc "$@"
663 func=$1
664 shift
665 disable $func
666 check_ld "$@" <<EOF && enable $func
667 #include <math.h>
668 float foo(float f) { return $func(f); }
669 int main(void){ return 0; }
670 EOF
671 }
672
673 check_func_headers(){
674 log check_func_headers "$@"
675 headers=$1
676 func=$2
677 shift 2
678 disable $func
679 incs=""
680 for hdr in $headers; do
681 incs="$incs
682 #include <$hdr>"
683 done
684 check_ld "$@" <<EOF && enable $func && enable_safe $headers
685 $incs
686 int main(int argc, char **argv){
687 return (long) $func;
688 }
689 EOF
690 }
691
692 check_cpp_condition(){
693 log check_cpp_condition "$@"
694 header=$1
695 condition=$2
696 shift 2
697 check_cpp $($filter_cppflags "$@") <<EOF
698 #include <$header>
699 #if !($condition)
700 #error "unsatisfied condition: $condition"
701 #endif
702 EOF
703 }
704
705 check_lib(){
706 log check_lib "$@"
707 header="$1"
708 func="$2"
709 shift 2
710 check_header $header && check_func $func "$@" && add_extralibs "$@"
711 }
712
713 check_lib2(){
714 log check_lib2 "$@"
715 headers="$1"
716 func="$2"
717 shift 2
718 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
719 }
720
721 check_exec(){
722 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
723 }
724
725 check_exec_crash(){
726 code=$(cat)
727
728 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
729 # are safe but may not be available everywhere. Thus we use
730 # raise(SIGTERM) instead. The check is run in a subshell so we
731 # can redirect the "Terminated" message from the shell. SIGBUS
732 # is not defined by standard C so it is used conditionally.
733
734 (check_exec "$@") >> $logfile 2>&1 <<EOF
735 #include <signal.h>
736 static void sighandler(int sig){
737 raise(SIGTERM);
738 }
739 int main(void){
740 signal(SIGILL, sighandler);
741 signal(SIGFPE, sighandler);
742 signal(SIGSEGV, sighandler);
743 #ifdef SIGBUS
744 signal(SIGBUS, sighandler);
745 #endif
746 { $code }
747 }
748 EOF
749 }
750
751 check_type(){
752 log check_type "$@"
753 headers=$1
754 type=$2
755 shift 2
756 disable_safe "$type"
757 incs=""
758 for hdr in $headers; do
759 incs="$incs
760 #include <$hdr>"
761 done
762 check_cc "$@" <<EOF && enable_safe "$type"
763 $incs
764 $type v;
765 EOF
766 }
767
768 check_struct(){
769 log check_type "$@"
770 headers=$1
771 struct=$2
772 member=$3
773 shift 3
774 disable_safe "${struct}_${member}"
775 incs=""
776 for hdr in $headers; do
777 incs="$incs
778 #include <$hdr>"
779 done
780 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
781 $incs
782 const void *p = &(($struct *)0)->$member;
783 EOF
784 }
785
786 require(){
787 name="$1"
788 header="$2"
789 func="$3"
790 shift 3
791 check_lib $header $func "$@" || die "ERROR: $name not found"
792 }
793
794 require2(){
795 name="$1"
796 headers="$2"
797 func="$3"
798 shift 3
799 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
800 }
801
802 check_host_cc(){
803 log check_host_cc "$@"
804 cat > $TMPC
805 log_file $TMPC
806 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
807 }
808
809 check_host_cflags(){
810 log check_host_cflags "$@"
811 check_host_cc "$@" <<EOF && append host_cflags "$@"
812 int x;
813 EOF
814 }
815
816 apply(){
817 file=$1
818 shift
819 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
820 }
821
822 cp_if_changed(){
823 cmp -s "$1" "$2" &&
824 echo "$2 is unchanged" ||
825 cp -f "$1" "$2"
826 }
827
828 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
829 # system-dependent things.
830
831 COMPONENT_LIST="
832 bsfs
833 decoders
834 demuxers
835 encoders
836 filters
837 hwaccels
838 indevs
839 muxers
840 outdevs
841 parsers
842 protocols
843 "
844
845 CONFIG_LIST="
846 $COMPONENT_LIST
847 aandct
848 avcodec
849 avcore
850 avdevice
851 avfilter
852 avformat
853 avisynth
854 bzlib
855 dct
856 doc
857 dwt
858 dxva2
859 fastdiv
860 ffmpeg
861 ffplay
862 ffprobe
863 ffserver
864 fft
865 golomb
866 gpl
867 gray
868 h264dsp
869 hardcoded_tables
870 libdc1394
871 libdirac
872 libfaac
873 libgsm
874 libmp3lame
875 libnut
876 libopencore_amrnb
877 libopencore_amrwb
878 libopenjpeg
879 librtmp
880 libschroedinger
881 libspeex
882 libtheora
883 libvorbis
884 libvpx
885 libx264
886 libxavs
887 libxvid
888 lpc
889 lsp
890 mdct
891 memalign_hack
892 mlib
893 mpegaudio_hp
894 network
895 nonfree
896 pic
897 postproc
898 rdft
899 runtime_cpudetect
900 shared
901 small
902 sram
903 static
904 swscale
905 swscale_alpha
906 vaapi
907 vdpau
908 version3
909 x11grab
910 zlib
911 "
912
913 THREADS_LIST='
914 pthreads
915 w32threads
916 '
917
918 ARCH_LIST='
919 alpha
920 arm
921 avr32
922 avr32_ap
923 avr32_uc
924 bfin
925 ia64
926 m68k
927 mips
928 mips64
929 parisc
930 ppc
931 ppc64
932 s390
933 sh4
934 sparc
935 sparc64
936 tomi
937 x86
938 x86_32
939 x86_64
940 '
941
942 ARCH_EXT_LIST='
943 altivec
944 amd3dnow
945 amd3dnowext
946 armv5te
947 armv6
948 armv6t2
949 armvfp
950 iwmmxt
951 mmi
952 mmx
953 mmx2
954 neon
955 ppc4xx
956 sse
957 ssse3
958 vis
959 '
960
961 HAVE_LIST_PUB='
962 bigendian
963 fast_unaligned
964 '
965
966 HAVE_LIST="
967 $ARCH_EXT_LIST
968 $HAVE_LIST_PUB
969 $THREADS_LIST
970 alsa_asoundlib_h
971 altivec_h
972 arpa_inet_h
973 attribute_may_alias
974 attribute_packed
975 bswap
976 closesocket
977 cmov
978 conio_h
979 dcbzl
980 dev_bktr_ioctl_bt848_h
981 dev_bktr_ioctl_meteor_h
982 dev_ic_bt8xx_h
983 dev_video_meteor_ioctl_meteor_h
984 dev_video_bktr_ioctl_bt848_h
985 dlfcn_h
986 dlopen
987 dos_paths
988 ebp_available
989 ebx_available
990 exp2
991 exp2f
992 fast_64bit
993 fast_clz
994 fast_cmov
995 fcntl
996 fork
997 getaddrinfo
998 gethrtime
999 GetProcessMemoryInfo
1000 GetProcessTimes
1001 getrusage
1002 gnu_as
1003 struct_rusage_ru_maxrss
1004 ibm_asm
1005 inet_aton
1006 inline_asm
1007 isatty
1008 ldbrx
1009 libdc1394_1
1010 libdc1394_2
1011 llrint
1012 llrintf
1013 local_aligned_16
1014 local_aligned_8
1015 log2
1016 log2f
1017 loongson
1018 lrint
1019 lrintf
1020 lzo1x_999_compress
1021 machine_ioctl_bt848_h
1022 machine_ioctl_meteor_h
1023 malloc_h
1024 memalign
1025 mkstemp
1026 pld
1027 posix_memalign
1028 round
1029 roundf
1030 sdl
1031 sdl_video_size
1032 setmode
1033 socklen_t
1034 soundcard_h
1035 poll_h
1036 setrlimit
1037 strerror_r
1038 struct_addrinfo
1039 struct_ipv6_mreq
1040 struct_sockaddr_in6
1041 struct_sockaddr_sa_len
1042 struct_sockaddr_storage
1043 symver
1044 symver_gnu_asm
1045 symver_asm_label
1046 sys_mman_h
1047 sys_resource_h
1048 sys_select_h
1049 sys_soundcard_h
1050 sys_videoio_h
1051 ten_operands
1052 termios_h
1053 threads
1054 truncf
1055 vfp_args
1056 VirtualAlloc
1057 winsock2_h
1058 xform_asm
1059 yasm
1060 "
1061
1062 # options emitted with CONFIG_ prefix but not available on command line
1063 CONFIG_EXTRA="
1064 avutil
1065 gplv3
1066 lgplv3
1067 "
1068
1069 CMDLINE_SELECT="
1070 $ARCH_EXT_LIST
1071 $CONFIG_LIST
1072 $THREADS_LIST
1073 asm
1074 cross_compile
1075 debug
1076 extra_warnings
1077 logging
1078 optimizations
1079 stripping
1080 yasm
1081 "
1082
1083 PATHS_LIST='
1084 bindir
1085 datadir
1086 incdir
1087 libdir
1088 mandir
1089 prefix
1090 shlibdir
1091 '
1092
1093 CMDLINE_SET="
1094 $PATHS_LIST
1095 ar
1096 arch
1097 as
1098 build_suffix
1099 cc
1100 cpu
1101 cross_prefix
1102 dep_cc
1103 extra_version
1104 host_cc
1105 host_cflags
1106 host_ldflags
1107 host_libs
1108 host_os
1109 ld
1110 logfile
1111 malloc_prefix
1112 nm
1113 samples
1114 source_path
1115 strip
1116 sysinclude
1117 sysroot
1118 target_exec
1119 target_os
1120 target_path
1121 "
1122
1123 CMDLINE_APPEND="
1124 extra_cflags
1125 "
1126
1127 # code dependency declarations
1128
1129 # architecture extensions
1130
1131 armv5te_deps="arm"
1132 armv6_deps="arm"
1133 armv6t2_deps="arm"
1134 armvfp_deps="arm"
1135 iwmmxt_deps="arm"
1136 neon_deps="arm"
1137
1138 mmi_deps="mips"
1139
1140 altivec_deps="ppc"
1141 ppc4xx_deps="ppc"
1142
1143 vis_deps="sparc"
1144
1145 x86_64_suggest="cmov fast_cmov"
1146 amd3dnow_deps="mmx"
1147 amd3dnowext_deps="amd3dnow"
1148 mmx_deps="x86"
1149 mmx2_deps="mmx"
1150 sse_deps="mmx"
1151 ssse3_deps="sse"
1152
1153 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1154 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1155 fast_unaligned_if_any="armv6 ppc x86"
1156
1157 need_memalign="altivec neon sse"
1158 inline_asm_deps="!tms470"
1159
1160 symver_if_any="symver_asm_label symver_gnu_asm"
1161
1162 # subsystems
1163 dct_select="rdft"
1164 mdct_select="fft"
1165 rdft_select="fft"
1166
1167 # decoders / encoders / hardware accelerators
1168 aac_decoder_select="mdct rdft"
1169 aac_encoder_select="mdct"
1170 ac3_decoder_select="mdct ac3_parser"
1171 alac_encoder_select="lpc"
1172 amrnb_decoder_select="lsp"
1173 atrac1_decoder_select="mdct"
1174 atrac3_decoder_select="mdct"
1175 binkaudio_dct_decoder_select="mdct rdft dct"
1176 binkaudio_rdft_decoder_select="mdct rdft"
1177 cavs_decoder_select="golomb"
1178 cook_decoder_select="mdct"
1179 cscd_decoder_suggest="zlib"
1180 dca_decoder_select="mdct"
1181 dnxhd_encoder_select="aandct"
1182 dxa_decoder_select="zlib"
1183 eac3_decoder_select="ac3_decoder"
1184 eamad_decoder_select="aandct"
1185 eatgq_decoder_select="aandct"
1186 eatqi_decoder_select="aandct"
1187 ffv1_decoder_select="golomb"
1188 flac_decoder_select="golomb"
1189 flac_encoder_select="golomb lpc"
1190 flashsv_decoder_select="zlib"
1191 flashsv_encoder_select="zlib"
1192 flv_decoder_select="h263_decoder"
1193 flv_encoder_select="h263_encoder"
1194 h261_encoder_select="aandct"
1195 h263_decoder_select="h263_parser"
1196 h263_encoder_select="aandct"
1197 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1198 h263i_decoder_select="h263_decoder"
1199 h263p_encoder_select="h263_encoder"
1200 h264_decoder_select="golomb h264dsp"
1201 h264_dxva2_hwaccel_deps="dxva2api_h"
1202 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1203 h264_vaapi_hwaccel_select="vaapi"
1204 h264_vdpau_decoder_select="vdpau h264_decoder"
1205 imc_decoder_select="fft mdct"
1206 jpegls_decoder_select="golomb"
1207 jpegls_encoder_select="golomb"
1208 ljpeg_encoder_select="aandct"
1209 loco_decoder_select="golomb"
1210 mjpeg_encoder_select="aandct"
1211 mlp_decoder_select="mlp_parser"
1212 mp1float_decoder_select="dct"
1213 mp2float_decoder_select="dct"
1214 mp3adufloat_decoder_select="dct"
1215 mp3float_decoder_select="dct"
1216 mp3on4float_decoder_select="dct"
1217 mpeg1video_encoder_select="aandct"
1218 mpeg2video_encoder_select="aandct"
1219 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1220 mpeg4_encoder_select="h263_encoder"
1221 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1222 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1223 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1224 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1225 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1226 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1227 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1228 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1229 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1230 msmpeg4v1_decoder_select="h263_decoder"
1231 msmpeg4v1_encoder_select="h263_encoder"
1232 msmpeg4v2_decoder_select="h263_decoder"
1233 msmpeg4v2_encoder_select="h263_encoder"
1234 msmpeg4v3_decoder_select="h263_decoder"
1235 msmpeg4v3_encoder_select="h263_encoder"
1236 nellymoser_decoder_select="mdct"
1237 nellymoser_encoder_select="mdct"
1238 png_decoder_select="zlib"
1239 png_encoder_select="zlib"
1240 qcelp_decoder_select="lsp"
1241 qdm2_decoder_select="mdct rdft"
1242 ra_144_encoder_select="lpc"
1243 rv10_decoder_select="h263_decoder"
1244 rv10_encoder_select="h263_encoder"
1245 rv20_decoder_select="h263_decoder"
1246 rv20_encoder_select="h263_encoder"
1247 rv30_decoder_select="golomb h264dsp"
1248 rv40_decoder_select="golomb h264dsp"
1249 shorten_decoder_select="golomb"
1250 sipr_decoder_select="lsp"
1251 snow_decoder_select="dwt"
1252 snow_encoder_select="aandct dwt"
1253 sonic_decoder_select="golomb"
1254 sonic_encoder_select="golomb"
1255 sonic_ls_encoder_select="golomb"
1256 svq1_encoder_select="aandct"
1257 svq3_decoder_select="golomb h264dsp"
1258 svq3_decoder_suggest="zlib"
1259 theora_decoder_select="vp3_decoder"
1260 tiff_decoder_suggest="zlib"
1261 tiff_encoder_suggest="zlib"
1262 truehd_decoder_select="mlp_decoder"
1263 tscc_decoder_select="zlib"
1264 twinvq_decoder_select="mdct lsp"
1265 vc1_decoder_select="h263_decoder"
1266 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1267 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1268 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1269 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1270 vorbis_decoder_select="mdct"
1271 vorbis_encoder_select="mdct"
1272 vp6a_decoder_select="vp6_decoder"
1273 vp6f_decoder_select="vp6_decoder"
1274 vp8_decoder_select="h264dsp"
1275 wmapro_decoder_select="mdct"
1276 wmav1_decoder_select="mdct"
1277 wmav1_encoder_select="mdct"
1278 wmav2_decoder_select="mdct"
1279 wmav2_encoder_select="mdct"
1280 wmavoice_decoder_select="lsp rdft dct mdct"
1281 wmv1_decoder_select="h263_decoder"
1282 wmv1_encoder_select="h263_encoder"
1283 wmv2_decoder_select="h263_decoder"
1284 wmv2_encoder_select="h263_encoder"
1285 wmv3_decoder_select="vc1_decoder"
1286 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1287 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1288 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1289 zlib_decoder_select="zlib"
1290 zlib_encoder_select="zlib"
1291 zmbv_decoder_select="zlib"
1292 zmbv_encoder_select="zlib"
1293
1294 vaapi_deps="va_va_h"
1295 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1296
1297 # parsers
1298 h264_parser_select="golomb h264dsp"
1299
1300 # external libraries
1301 libdirac_decoder_deps="libdirac !libschroedinger"
1302 libdirac_encoder_deps="libdirac"
1303 libfaac_encoder_deps="libfaac"
1304 libgsm_decoder_deps="libgsm"
1305 libgsm_encoder_deps="libgsm"
1306 libgsm_ms_decoder_deps="libgsm"
1307 libgsm_ms_encoder_deps="libgsm"
1308 libmp3lame_encoder_deps="libmp3lame"
1309 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1310 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1311 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1312 libopenjpeg_decoder_deps="libopenjpeg"
1313 libschroedinger_decoder_deps="libschroedinger"
1314 libschroedinger_encoder_deps="libschroedinger"
1315 libspeex_decoder_deps="libspeex"
1316 libtheora_encoder_deps="libtheora"
1317 libvorbis_encoder_deps="libvorbis"
1318 libvpx_decoder_deps="libvpx"
1319 libvpx_encoder_deps="libvpx"
1320 libx264_encoder_deps="libx264"
1321 libxavs_encoder_deps="libxavs"
1322 libxvid_encoder_deps="libxvid"
1323
1324 # demuxers / muxers
1325 ac3_demuxer_deps="ac3_parser"
1326 asf_stream_muxer_select="asf_muxer"
1327 avisynth_demuxer_deps="avisynth"
1328 dirac_demuxer_deps="dirac_parser"
1329 eac3_demuxer_select="ac3_parser"
1330 ipod_muxer_select="mov_muxer"
1331 libnut_demuxer_deps="libnut"
1332 libnut_muxer_deps="libnut"
1333 matroska_audio_muxer_select="matroska_muxer"
1334 matroska_demuxer_suggest="zlib bzlib"
1335 mov_demuxer_suggest="zlib"
1336 mp3_demuxer_deps="mpegaudio_parser"
1337 mp4_muxer_select="mov_muxer"
1338 mpegtsraw_demuxer_select="mpegts_demuxer"
1339 mxf_d10_muxer_select="mxf_muxer"
1340 ogg_demuxer_select="golomb"
1341 psp_muxer_select="mov_muxer"
1342 rtsp_demuxer_deps="sdp_demuxer"
1343 rtsp_muxer_deps="sdp_demuxer"
1344 rtsp_muxer_select="rtp_muxer"
1345 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1346 sdp_demuxer_select="asf_demuxer rm_demuxer"
1347 spdif_muxer_select="aac_parser"
1348 tg2_muxer_select="mov_muxer"
1349 tgp_muxer_select="mov_muxer"
1350 w64_demuxer_deps="wav_demuxer"
1351
1352 # indevs / outdevs
1353 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1354 alsa_indev_extralibs="-lasound"
1355 alsa_outdev_deps="alsa_asoundlib_h"
1356 alsa_outdev_extralibs="-lasound"
1357 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1358 dv1394_indev_deps="dv1394 dv_demuxer"
1359 jack_indev_deps="jack_jack_h"
1360 jack_indev_extralibs="-ljack"
1361 libdc1394_indev_deps="libdc1394"
1362 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1363 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1364 v4l_indev_deps="linux_videodev_h"
1365 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1366 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1367 vfwcap_indev_extralibs="-lavicap32"
1368 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1369 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1370
1371 # protocols
1372 gopher_protocol_deps="network"
1373 http_protocol_deps="network"
1374 http_protocol_select="tcp_protocol"
1375 mmst_protocol_deps="network"
1376 rtmp_protocol_select="tcp_protocol"
1377 rtp_protocol_select="udp_protocol"
1378 tcp_protocol_deps="network"
1379 udp_protocol_deps="network"
1380
1381 # libraries
1382 avdevice_deps="avcodec avformat"
1383 avformat_deps="avcodec"
1384
1385 # programs
1386 ffmpeg_deps="avcodec avformat swscale"
1387 ffmpeg_select="buffer_filter"
1388 ffplay_deps="avcodec avformat swscale sdl"
1389 ffplay_select="rdft"
1390 ffprobe_deps="avcodec avformat"
1391 ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1392 ffserver_extralibs='$ldl'
1393
1394 doc_deps="texi2html"
1395
1396 # tests
1397
1398 test_deps(){
1399 suf1=$1
1400 suf2=$2
1401 shift 2
1402 for v; do
1403 dep=${v%=*}
1404 tests=${v#*=}
1405 for name in ${tests}; do
1406 eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1407 done
1408 done
1409 }
1410
1411 set_ne_test_deps(){
1412 eval ${1}_be_test_deps="bigendian"
1413 eval ${1}_le_test_deps="!bigendian"
1414 }
1415
1416 test_deps _encoder _decoder \
1417 ac3 \
1418 adpcm_g726=g726 \
1419 adpcm_ima_qt \
1420 adpcm_ima_wav \
1421 adpcm_ms \
1422 adpcm_swf \
1423 adpcm_yamaha=adpcm_yam \
1424 alac \
1425 asv1 \
1426 asv2 \
1427 bmp \
1428 dnxhd="hdxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1429 dvvideo="dv dv50" \
1430 ffv1 \
1431 flac \
1432 flashsv \
1433 flv \
1434 gif \
1435 h261 \
1436 h263="h263 h263p" \
1437 huffyuv \
1438 jpegls \
1439 mjpeg="jpg mjpeg ljpeg" \
1440 mp2 \
1441 mpeg1video="mpeg mpeg1b" \
1442 mpeg2video="mpeg2 mpeg2thread" \
1443 mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc" \
1444 msmpeg4v3=msmpeg4 \
1445 msmpeg4v2 \
1446 pbm=pbmpipe \
1447 pcx \
1448 pgm="pgm pgmpipe" \
1449 ppm="ppm ppmpipe" \
1450 rawvideo="rgb yuv" \
1451 roq \
1452 rv10 \
1453 rv20 \
1454 sgi \
1455 snow="snow snowll" \
1456 svq1 \
1457 targa=tga \
1458 tiff \
1459 wmav1 \
1460 wmav2 \
1461 wmv1 \
1462 wmv2 \
1463
1464 test_deps _muxer _demuxer \
1465 aiff \
1466 pcm_alaw=alaw \
1467 asf \
1468 au \
1469 avi \
1470 dv=dv_fmt \
1471 ffm \
1472 flv=flv_fmt \
1473 gxf \
1474 matroska=mkv \
1475 mmf \
1476 mov \
1477 pcm_mulaw=mulaw \
1478 mxf \
1479 nut \
1480 ogg \
1481 rawvideo=pixfmt \
1482 rm \
1483 swf \
1484 mpegts=ts \
1485 voc \
1486 wav \
1487 yuv4mpegpipe=yuv4mpeg \
1488
1489 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1490
1491 set_ne_test_deps pixdesc
1492 set_ne_test_deps pixfmts_crop
1493 set_ne_test_deps pixfmts_null
1494 set_ne_test_deps pixfmts_pad
1495 set_ne_test_deps pixfmts_scale
1496 set_ne_test_deps pixfmts_vflip
1497
1498 # default parameters
1499
1500 logfile="config.log"
1501
1502 # installation paths
1503 prefix_default="/usr/local"
1504 bindir_default='${prefix}/bin'
1505 datadir_default='${prefix}/share/ffmpeg'
1506 incdir_default='${prefix}/include'
1507 libdir_default='${prefix}/lib'
1508 mandir_default='${prefix}/share/man'
1509 shlibdir_default="$libdir_default"
1510
1511 # toolchain
1512 ar_default="ar"
1513 cc_default="gcc"
1514 cc_version=\"unknown\"
1515 host_cc_default="gcc"
1516 ln_s="ln -sf"
1517 nm_default="nm"
1518 objformat="elf"
1519 ranlib="ranlib"
1520 strip_default="strip"
1521 yasmexe="yasm"
1522 nogas=":"
1523
1524 nm_opts='-g'
1525
1526 # machine
1527 arch_default=$(uname -m)
1528 cpu="generic"
1529
1530 # OS
1531 target_os_default=$(tolower $(uname -s))
1532 host_os=$target_os_default
1533
1534 # configurable options
1535 enable avcodec
1536 enable avcore
1537 enable avdevice
1538 enable avfilter
1539 enable avformat
1540 enable avutil
1541 enable asm
1542 enable debug
1543 enable doc
1544 enable fastdiv
1545 enable ffmpeg
1546 enable ffplay
1547 enable ffprobe
1548 enable ffserver
1549 enable mpegaudio_hp
1550 enable network
1551 enable optimizations
1552 enable protocols
1553 enable static
1554 enable stripping
1555 enable swscale
1556 enable swscale_alpha
1557
1558 # build settings
1559 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1560 FFSERVERLDFLAGS=-Wl,-E
1561 LIBPREF="lib"
1562 LIBSUF=".a"
1563 FULLNAME='$(NAME)$(BUILDSUF)'
1564 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1565 SLIBPREF="lib"
1566 SLIBSUF=".so"
1567 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1568 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1569 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1570 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1571
1572 CC_O='-o $@'
1573
1574 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1575 host_libs='-lm'
1576
1577 target_path='$(CURDIR)'
1578
1579 # since the object filename is not given with the -MM flag, the compiler
1580 # is only able to print the basename, and we must add the path ourselves
1581 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1582 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1583
1584 # find source path
1585 source_path="$(dirname "$0")"
1586 enable source_path_used
1587 if test -f configure; then
1588 source_path="$(pwd)"
1589 disable source_path_used
1590 else
1591 source_path="$(cd "$source_path"; pwd)"
1592 echo "$source_path" | grep -q '[[:blank:]]' &&
1593 die "Out of tree builds are impossible with whitespace in source path."
1594 test -e "$source_path/config.h" &&
1595 die "Out of tree builds are impossible with config.h in source dir."
1596 fi
1597
1598 for v in "$@"; do
1599 r=${v#*=}
1600 l=${v%"$r"}
1601 r=$(sh_quote "$r")
1602 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1603 done
1604
1605 find_things(){
1606 thing=$1
1607 pattern=$2
1608 file=$source_path/$3
1609 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1610 }
1611
1612 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1613 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1614 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1615 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1616 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1617 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1618 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1619 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1620 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1621 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1622 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1623
1624 find_tests(){
1625 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1626 }
1627
1628 ACODEC_TESTS=$(find_tests acodec)
1629 VCODEC_TESTS=$(find_tests vsynth1)
1630 LAVF_TESTS=$(find_tests lavf)
1631 LAVFI_TESTS=$(find_tests lavfi)
1632 SEEK_TESTS=$(find_tests seek seek_)
1633
1634 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1635
1636 for n in $COMPONENT_LIST; do
1637 v=$(toupper ${n%s})_LIST
1638 eval enable \$$v
1639 eval ${n}_if_any="\$$v"
1640 done
1641
1642 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1643
1644 die_unknown(){
1645 echo "Unknown option \"$1\"."
1646 echo "See $0 --help for available options."
1647 exit 1
1648 }
1649
1650 show_list() {
1651 suffix=_$1
1652 shift
1653 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1654 exit 0
1655 }
1656
1657 for opt do
1658 optval="${opt#*=}"
1659 case "$opt" in
1660 --extra-ldflags=*) add_ldflags $optval
1661 ;;
1662 --extra-libs=*) add_extralibs $optval
1663 ;;
1664 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1665 ;;
1666 --enable-debug=*) debuglevel="$optval"
1667 ;;
1668 --disable-everything)
1669 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1670 ;;
1671 --enable-*=*|--disable-*=*)
1672 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1673 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1674 eval list=\$$(toupper $thing)_LIST
1675 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1676 $action $(filter "$name" $list)
1677 ;;
1678 --enable-?*|--disable-?*)
1679 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1680 if is_in $option $COMPONENT_LIST; then
1681 test $action = disable && action=unset
1682 eval $action \$$(toupper ${option%s})_LIST
1683 elif is_in $option $CMDLINE_SELECT; then
1684 $action $option
1685 else
1686 die_unknown $opt
1687 fi
1688 ;;
1689 --list-*)
1690 NAME="${opt#--list-}"
1691 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1692 NAME=${NAME%s}
1693 eval show_list $NAME \$$(toupper $NAME)_LIST
1694 ;;
1695 --help|-h) show_help
1696 ;;
1697 *)
1698 optname="${opt%%=*}"
1699 optname="${optname#--}"
1700 optname=$(echo "$optname" | sed 's/-/_/g')
1701 if is_in $optname $CMDLINE_SET; then
1702 eval $optname='$optval'
1703 elif is_in $optname $CMDLINE_APPEND; then
1704 append $optname "$optval"
1705 else
1706 die_unknown $opt
1707 fi
1708 ;;
1709 esac
1710 done
1711
1712 disabled logging && logfile=/dev/null
1713
1714 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1715 set >> $logfile
1716
1717 test -n "$cross_prefix" && enable cross_compile
1718
1719 if enabled cross_compile; then
1720 test -n "$arch" && test -n "$target_os" ||
1721 die "Must specify target arch and OS when cross-compiling"
1722 fi
1723
1724 set_default arch target_os
1725
1726 ar_default="${cross_prefix}${ar_default}"
1727 cc_default="${cross_prefix}${cc_default}"
1728 nm_default="${cross_prefix}${nm_default}"
1729 ranlib="${cross_prefix}${ranlib}"
1730 strip_default="${cross_prefix}${strip_default}"
1731
1732 sysinclude_default="${sysroot}/usr/include"
1733
1734 set_default cc nm strip sysinclude
1735 enabled cross_compile || host_cc_default=$cc
1736 set_default host_cc
1737
1738 exesuf() {
1739 case $1 in
1740 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1741 esac
1742 }
1743
1744 EXESUF=$(exesuf $target_os)
1745 HOSTEXESUF=$(exesuf $host_os)
1746
1747 # set temporary file name
1748 : ${TMPDIR:=$TEMPDIR}
1749 : ${TMPDIR:=$TMP}
1750 : ${TMPDIR:=/tmp}
1751
1752 if ! check_cmd type mktemp; then
1753 # simple replacement for missing mktemp
1754 # NOT SAFE FOR GENERAL USE
1755 mktemp(){
1756 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1757 }
1758 fi
1759
1760 tmpfile(){
1761 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1762 (set -C; exec > $tmp) 2>/dev/null ||
1763 die "Unable to create temporary file in $TMPDIR."
1764 append TMPFILES $tmp
1765 eval $1=$tmp
1766 }
1767
1768 trap 'rm -f -- $TMPFILES' EXIT
1769 trap exit HUP INT TERM
1770
1771 tmpfile TMPC .c
1772 tmpfile TMPE $EXESUF
1773 tmpfile TMPH .h
1774 tmpfile TMPO .o
1775 tmpfile TMPS .S
1776 tmpfile TMPV .ver
1777 tmpfile TMPSH .sh
1778
1779 unset -f mktemp
1780
1781 # make sure we can execute files in $TMPDIR
1782 cat > $TMPSH 2>> $logfile <<EOF
1783 #! /bin/sh
1784 EOF
1785 chmod +x $TMPSH >> $logfile 2>&1
1786 if ! $TMPSH >> $logfile 2>&1; then
1787 cat <<EOF
1788 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1789 variable to another directory and make sure that it is not mounted noexec.
1790 EOF
1791 die "Sanity test failed."
1792 fi
1793
1794 filter_cflags=echo
1795 filter_cppflags=echo
1796 filter_asflags=echo
1797
1798 if $cc -v 2>&1 | grep -qi ^gcc; then
1799 cc_type=gcc
1800 cc_version=__VERSION__
1801 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1802 cc_ident="gcc $($cc -dumpversion) $gcc_extra_ver"
1803 if ! $cc -dumpversion | grep -q '^2\.'; then
1804 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1805 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1806 fi
1807 speed_cflags='-O3'
1808 size_cflags='-Os'
1809 elif $cc --version 2>/dev/null | grep -q Intel; then
1810 cc_type=icc
1811 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1812 cc_ident=$($cc --version | head -n1)
1813 CC_DEPFLAGS='-MMD'
1814 AS_DEPFLAGS='-MMD'
1815 speed_cflags='-O3'
1816 size_cflags='-Os'
1817 noopt_cflags='-O1'
1818 elif $cc -v 2>&1 | grep -q xlc; then
1819 cc_type=xlc
1820 cc_version="AV_STRINGIFY(__IBMC__)"
1821 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1822 speed_cflags='-O5'
1823 size_cflags='-O5 -qcompact'
1824 elif $cc -V 2>/dev/null | grep -q Compaq; then
1825 cc_type=ccc
1826 cc_version="AV_STRINGIFY(__DECC_VER)"
1827 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1828 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1829 debuglevel=3
1830 add_ldflags -Wl,-z,now # calls to libots crash without this
1831 speed_cflags='-fast'
1832 size_cflags='-O1'
1833 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1834 test -d "$sysroot" || die "No valid sysroot specified."
1835 cc_type=armcc
1836 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1837 cc_ident=$($cc --vsn | head -n1)
1838 armcc_conf="$PWD/armcc.conf"
1839 $cc --arm_linux_configure \
1840 --arm_linux_config_file="$armcc_conf" \
1841 --configure_sysroot="$sysroot" \
1842 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1843 die "Error creating armcc configuration file."
1844 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1845 as_default="${cross_prefix}gcc"
1846 CC_DEPFLAGS='-MMD'
1847 AS_DEPFLAGS='-MMD'
1848 speed_cflags='-O3'
1849 size_cflags='-Os'
1850 elif $cc -version 2>/dev/null | grep -q TMS470; then
1851 cc_type=tms470
1852 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1853 cc_ident=$($cc -version | head -n1 | tr -s ' ')
1854 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1855 CC_O='-fr=$(@D)'
1856 as_default="${cross_prefix}gcc"
1857 ld_default="${cross_prefix}gcc"
1858 TMPO=$(basename $TMPC .c).o
1859 append TMPFILES $TMPO
1860 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1861 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1862 AS_DEPFLAGS='-MMD'
1863 speed_cflags='-O3 -mf=5'
1864 size_cflags='-O3 -mf=2'
1865 filter_cflags=tms470_flags
1866 tms470_flags(){
1867 for flag; do
1868 case $flag in
1869 -march=*|-mcpu=*)
1870 case "${flag#*=}" in
1871 armv7-a|cortex-a*) echo -mv=7a8 ;;
1872 armv7-r|cortex-r*) echo -mv=7r4 ;;
1873 armv7-m|cortex-m*) echo -mv=7m3 ;;
1874 armv6*|arm11*) echo -mv=6 ;;
1875 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1876 echo -mv=5e ;;
1877 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1878 esac
1879 ;;
1880 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1881 -mfpu=vfp) echo --float_support=vfpv2 ;;
1882 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1883 -msoft-float) echo --float_support=vfplib ;;
1884 -O[0-3]|-mf=*) echo $flag ;;
1885 -g) echo -g -mn ;;
1886 -pds=*) echo $flag ;;
1887 esac
1888 done
1889 }
1890 elif $cc -v 2>&1 | grep -q clang; then
1891 cc_type=clang
1892 $cc -dM -E $TMPC | grep -q __clang_version__ &&
1893 cc_version=__clang_version__ || cc_version=__VERSION__
1894 cc_ident=$($cc --version | head -n1)
1895 CC_DEPFLAGS='-MMD'
1896 AS_DEPFLAGS='-MMD'
1897 speed_cflags='-O3'
1898 size_cflags='-Os'
1899 elif $cc -V 2>&1 | grep -q Sun; then
1900 cc_type=suncc
1901 cc_version="AV_STRINGIFY(__SUNPRO_C)"
1902 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
1903 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1904 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1905 speed_cflags='-O5'
1906 size_cflags='-O5 -xspace'
1907 filter_cflags=suncc_flags
1908 suncc_flags(){
1909 for flag; do
1910 case $flag in
1911 -march=*|-mcpu=*)
1912 case "${flag#*=}" in
1913 native) echo -xtarget=native ;;
1914 v9|niagara) echo -xarch=sparc ;;
1915 ultrasparc) echo -xarch=sparcvis ;;
1916 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
1917 i586|pentium) echo -xchip=pentium ;;
1918 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1919 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1920 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1921 pentium4*) echo -xtarget=pentium4 ;;
1922 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1923 *-sse3) echo -xarch=sse3 ;;
1924 core2) echo -xarch=ssse3 -xchip=core2 ;;
1925 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1926 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1927 k8|opteron|athlon64|athlon-fx)
1928 echo -xarch=sse2a ;;
1929 athlon*) echo -xarch=pentium_proa ;;
1930 esac
1931 ;;
1932 -std=c99) echo -xc99 ;;
1933 -fomit-frame-pointer) echo -xregs=frameptr ;;
1934 -fPIC) echo -KPIC -xcode=pic32 ;;
1935 -W*,*) echo $flag ;;
1936 -f*-*|-W*) ;;
1937 *) echo $flag ;;
1938 esac
1939 done
1940 }
1941 elif $cc -v 2>&1 | grep -q PathScale; then
1942 cc_type=pathscale
1943 cc_version=__PATHSCALE__
1944 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
1945 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1946 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1947 speed_cflags='-O2'
1948 size_cflags='-Os'
1949 fi
1950
1951 test -n "$cc_type" && enable $cc_type ||
1952 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
1953
1954 : ${as_default:=$cc}
1955 : ${dep_cc_default:=$cc}
1956 : ${ld_default:=$cc}
1957 set_default ar as dep_cc ld
1958
1959 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1960 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1961
1962 add_cflags $extra_cflags
1963 add_asflags $extra_cflags
1964
1965 if test -n "$sysroot"; then
1966 case "$cc_type" in
1967 gcc)
1968 add_cppflags --sysroot="$sysroot"
1969 add_ldflags --sysroot="$sysroot"
1970 ;;
1971 tms470)
1972 add_cppflags -I"$sysinclude"
1973 add_ldflags --sysroot="$sysroot"
1974 ;;
1975 clang)
1976 add_cppflags -isysroot "$sysroot"
1977 add_ldflags -isysroot "$sysroot"
1978 ;;
1979 esac
1980 fi
1981
1982 if test "$cpu" = host; then
1983 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1984
1985 case "$cc_type" in
1986 gcc)
1987 check_native(){
1988 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1989 sed -n "/$1=/{
1990 s/.*$1=\\([^ ]*\\).*/\\1/
1991 p
1992 q
1993 }" $TMPE
1994 }
1995 cpu=$(check_native -march || check_native -mcpu)
1996 ;;
1997 esac
1998
1999 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2000 fi
2001
2002 # Deal with common $arch aliases
2003 case "$arch" in
2004 arm*)
2005 arch="arm"
2006 ;;
2007 mips|mipsel|IP*)
2008 arch="mips"
2009 ;;
2010 mips64*)
2011 arch="mips"
2012 subarch="mips64"
2013 ;;
2014 parisc|hppa)
2015 arch="parisc"
2016 ;;
2017 parisc64|hppa64)
2018 arch="parisc"
2019 subarch="parisc64"
2020 ;;
2021 "Power Macintosh"|ppc|powerpc)
2022 arch="ppc"
2023 ;;
2024 ppc64|powerpc64)
2025 arch="ppc"
2026 subarch="ppc64"
2027 ;;
2028 s390|s390x)
2029 arch="s390"
2030 ;;
2031 sh4|sh)
2032 arch="sh4"
2033 ;;
2034 sun4u|sparc64)
2035 arch="sparc"
2036 subarch="sparc64"
2037 ;;
2038 i[3-6]86|i86pc|BePC|x86_64|amd64)
2039 arch="x86"
2040 ;;
2041 esac
2042
2043 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2044 enable $arch
2045
2046 # Add processor-specific flags
2047 if test "$cpu" = generic; then
2048 : do nothing
2049 elif enabled ppc; then
2050
2051 case $(tolower $cpu) in
2052 601|ppc601|powerpc601)
2053 cpuflags="-mcpu=601"
2054 disable altivec
2055 ;;
2056 603*|ppc603*|powerpc603*)
2057 cpuflags="-mcpu=603"
2058 disable altivec
2059 ;;
2060 604*|ppc604*|powerpc604*)
2061 cpuflags="-mcpu=604"
2062 disable altivec
2063 ;;
2064 g3|75*|ppc75*|powerpc75*)
2065 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2066 disable altivec
2067 ;;
2068 g4|745*|ppc745*|powerpc745*)
2069 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2070 ;;
2071 74*|ppc74*|powerpc74*)
2072 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2073 ;;
2074 g5|970|ppc970|powerpc970|power4*)
2075 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2076 ;;
2077 cell)
2078 cpuflags="-mcpu=cell"
2079 enable ldbrx
2080 ;;
2081 e500v2)
2082 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2083 disable altivec
2084 ;;
2085 e500)
2086 cpuflags="-mcpu=8540 -mhard-float"
2087 disable altivec
2088 ;;
2089 esac
2090
2091 elif enabled x86; then
2092
2093 case $cpu in
2094 i[345]86|pentium)
2095 cpuflags="-march=$cpu"
2096 disable mmx
2097 ;;
2098 # targets that do NOT support conditional mov (cmov)
2099 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2100 cpuflags="-march=$cpu"
2101 disable cmov
2102 ;;
2103 # targets that do support conditional mov (cmov)
2104 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona)
2105 cpuflags="-march=$cpu"
2106 enable cmov
2107 enable fast_cmov
2108 ;;
2109 # targets that do support conditional mov but on which it's slow
2110 pentium4|pentium4m|prescott|nocona)
2111 cpuflags="-march=$cpu"
2112 enable cmov
2113 disable fast_cmov
2114 ;;
2115 esac
2116
2117 elif enabled sparc; then
2118
2119 case $cpu in
2120 niagara)
2121 cpuflags="-mcpu=$cpu"
2122 disable vis
2123 ;;
2124 sparc64)
2125 cpuflags="-mcpu=v9"
2126 ;;
2127 esac
2128
2129 elif enabled arm; then
2130
2131 case $cpu in
2132 armv*)
2133 cpuflags="-march=$cpu"
2134 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2135 ;;
2136 *)
2137 cpuflags="-mcpu=$cpu"
2138 case $cpu in
2139 cortex-a*) subarch=armv7a ;;
2140 cortex-r*) subarch=armv7r ;;
2141 cortex-m*) subarch=armv7m ;;
2142 arm11*) subarch=armv6 ;;
2143 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2144 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2145 esac
2146 ;;
2147 esac
2148
2149 elif enabled alpha; then
2150
2151 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2152
2153 elif enabled bfin; then
2154
2155 cpuflags="-mcpu=$cpu"
2156
2157 elif enabled mips; then
2158
2159 cpuflags="-march=$cpu"
2160
2161 elif enabled avr32; then
2162
2163 case $cpu in
2164 ap7[02]0[0-2])
2165 subarch="avr32_ap"
2166 cpuflags="-mpart=$cpu"
2167 ;;
2168 ap)
2169 subarch="avr32_ap"
2170 cpuflags="-march=$cpu"
2171 ;;
2172 uc3[ab]*)
2173 subarch="avr32_uc"
2174 cpuflags="-mcpu=$cpu"
2175 ;;
2176 uc)
2177 subarch="avr32_uc"
2178 cpuflags="-march=$cpu"
2179 ;;
2180 esac
2181
2182 fi
2183
2184 add_cflags $cpuflags
2185 add_asflags $cpuflags
2186
2187 # compiler sanity check
2188 check_exec <<EOF
2189 int main(void){ return 0; }
2190 EOF
2191 if test "$?" != 0; then
2192 echo "$cc is unable to create an executable file."
2193 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2194 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2195 echo "Only do this if you know what cross compiling means."
2196 fi
2197 die "C compiler test failed."
2198 fi
2199
2200 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2201 check_cflags -std=c99
2202 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2203 #include <stdlib.h>
2204 EOF
2205 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2206 #include <stdlib.h>
2207 EOF
2208
2209 check_host_cflags -std=c99
2210
2211 case "$arch" in
2212 alpha|ia64|mips|parisc|sparc)
2213 spic=$shared
2214 ;;
2215 x86)
2216 subarch="x86_32"
2217 check_cc <<EOF && subarch="x86_64"
2218 int test[(int)sizeof(char*) - 7];
2219 EOF
2220 if test "$subarch" = "x86_64"; then
2221 spic=$shared
2222 fi
2223 ;;
2224 esac
2225
2226 enable $subarch
2227 enabled spic && enable pic
2228
2229 # OS specific
2230 case $target_os in
2231 haiku)
2232 prefix_default="/boot/common"
2233 network_extralibs="-lnetwork"
2234 ;;
2235 sunos)
2236 FFSERVERLDFLAGS=""
2237 SHFLAGS='-shared -Wl,-h,$$(@F)'
2238 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2239 network_extralibs="-lsocket -lnsl"
2240 add_cppflags -D__EXTENSIONS__
2241 nm_opts='-P -g'
2242 ;;
2243 netbsd)
2244 oss_indev_extralibs="-lossaudio"
2245 oss_outdev_extralibs="-lossaudio"
2246 add_cppflags -D_XOPEN_SOURCE=600
2247 ;;
2248 openbsd)
2249 enable malloc_aligned
2250 # On OpenBSD 4.5. the compiler does not use PIC unless
2251 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2252 # however the generated executable will not do anything
2253 # (simply quits with exit-code 1, no crash, no output).
2254 # Thus explicitly enable PIC here.
2255 enable pic
2256 SHFLAGS='-shared'
2257 oss_indev_extralibs="-lossaudio"
2258 oss_outdev_extralibs="-lossaudio"
2259 ;;
2260 freebsd|dragonfly)
2261 enable malloc_aligned
2262 ;;
2263 bsd/os)
2264 add_extralibs -lpoll -lgnugetopt
2265 strip="strip -d"
2266 ;;
2267 darwin)
2268 enable malloc_aligned
2269 gas="gas-preprocessor.pl $cc"
2270 enabled ppc && add_asflags -force_cpusubtype_ALL
2271 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2272 strip="${strip} -x"
2273 add_ldflags -Wl,-dynamic,-search_paths_first
2274 SLIBSUF=".dylib"
2275 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2276 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2277 FFSERVERLDFLAGS=-Wl,-bind_at_load
2278 objformat="macho"
2279 enabled x86_64 && objformat="macho64"
2280 enabled_any pic shared ||
2281 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2282 ;;
2283 mingw32*)
2284 if test $target_os = "mingw32ce"; then
2285 disable network
2286 else
2287 target_os=mingw32
2288 fi
2289 LIBTARGET=i386
2290 if enabled x86_64; then
2291 enable malloc_aligned
2292 LIBTARGET=x64
2293 elif enabled arm; then
2294 LIBTARGET=arm
2295 fi
2296 shlibdir_default="$bindir_default"
2297 disable ffserver
2298 SLIBPREF=""
2299 SLIBSUF=".dll"
2300 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2301 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2302 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2303 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2304 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2305 install -d "$(LIBDIR)"; \
2306 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2307 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2308 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'
2309 objformat="win32"
2310 enable dos_paths
2311 check_cflags -fno-common
2312 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2313 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2314 die "ERROR: MinGW runtime version must be >= 3.15."
2315 ;;
2316 cygwin*)
2317 target_os=cygwin
2318 shlibdir_default="$bindir_default"
2319 SLIBPREF="cyg"
2320 SLIBSUF=".dll"
2321 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2322 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2323 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2324 objformat="win32"
2325 enable dos_paths
2326 check_cflags -fno-common
2327 ;;
2328 *-dos|freedos|opendos)
2329 disable ffplay ffserver
2330 disable $INDEV_LIST $OUTDEV_LIST
2331 network_extralibs="-lsocket"
2332 objformat="coff"
2333 enable dos_paths
2334 ;;
2335 linux)
2336 enable dv1394
2337 ;;
2338 irix*)
2339 target_os=irix
2340 ranlib="echo ignoring ranlib"
2341 ;;
2342 os/2*)
2343 strip="lxlite"
2344 ln_s="cp -f"
2345 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2346 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2347 FFSERVERLDFLAGS=""
2348 LIBSUF="_s.a"
2349 SLIBPREF=""
2350 SLIBSUF=".dll"
2351 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2352 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2353 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2354 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2355 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2356 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2357 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2358 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2359 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2360 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2361 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2362 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2363 enable dos_paths
2364 ;;
2365 gnu/kfreebsd)
2366 ;;
2367 gnu)
2368 ;;
2369 none)
2370 ;;
2371 *)
2372 die "Unknown OS '$target_os'."
2373 ;;
2374 esac
2375
2376 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2377
2378 set_default $PATHS_LIST
2379
2380 # we need to build at least one lib type
2381 if ! enabled_any static shared; then
2382 cat <<EOF
2383 At least one library type must be built.
2384 Specify --enable-static to build the static libraries or --enable-shared to
2385 build the shared libraries as well. To only build the shared libraries specify
2386 --disable-static in addition to --enable-shared.
2387 EOF
2388 exit 1;
2389 fi
2390
2391 disabled static && LIBNAME=""
2392
2393 die_license_disabled() {
2394 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2395 }
2396
2397 die_license_disabled gpl libx264
2398 die_license_disabled gpl libxavs
2399 die_license_disabled gpl libxvid
2400 die_license_disabled gpl postproc
2401 die_license_disabled gpl x11grab
2402
2403 die_license_disabled nonfree libfaac
2404
2405 die_license_disabled version3 libopencore_amrnb
2406 die_license_disabled version3 libopencore_amrwb
2407
2408 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2409
2410 check_deps $ARCH_EXT_LIST
2411
2412 disabled optimizations || check_cflags -fomit-frame-pointer
2413
2414 enable_pic() {
2415 enable pic
2416 add_cppflags -DPIC
2417 add_cflags -fPIC
2418 add_asflags -fPIC
2419 }
2420
2421 enabled pic && enable_pic
2422
2423 check_cc <<EOF || die "Symbol mangling check failed."
2424 int ff_extern;
2425 EOF
2426 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2427 extern_prefix=${sym%%ff_extern*}
2428
2429 check_cc <<EOF && enable inline_asm
2430 void foo(void) { __asm__ volatile ("" ::); }
2431 EOF
2432
2433 _restrict=
2434 for restrict_keyword in restrict __restrict__ __restrict; do
2435 check_cc <<EOF && _restrict=$restrict_keyword && break
2436 void foo(char * $restrict_keyword p);
2437 EOF
2438 done
2439
2440 check_cc <<EOF && enable attribute_packed
2441 struct { int x; } __attribute__((packed)) x;
2442 EOF
2443
2444 check_cc <<EOF && enable attribute_may_alias
2445 union { int x; } __attribute__((may_alias)) x;
2446 EOF
2447
2448 check_cc <<EOF || die "endian test failed"
2449 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2450 EOF
2451 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2452
2453 if enabled alpha; then
2454
2455 check_cflags -mieee
2456
2457 elif enabled arm; then
2458
2459 check_cflags -marm
2460 nogas=die
2461
2462 check_ld <<EOF && enable vfp_args
2463 __asm__ (".eabi_attribute 28, 1");
2464 int main(void) { return 0; }
2465 EOF
2466
2467 # We have to check if pld is a nop and disable it.
2468 check_asm pld '"pld [r0]"'
2469
2470 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2471 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2472 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2473 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2474 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2475 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2476
2477 enabled_all armv6t2 shared !pic && enable_pic
2478
2479 elif enabled mips; then
2480
2481 check_asm loongson '"dmult.g $1, $2, $3"'
2482 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2483
2484 elif enabled ppc; then
2485
2486 enable local_aligned_8 local_aligned_16
2487
2488 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2489 check_asm ibm_asm '"add 0, 0, 0"'
2490 check_asm ppc4xx '"maclhw r10, r11, r12"'
2491 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2492
2493 # AltiVec flags: The FSF version of GCC differs from the Apple version
2494 if enabled altivec; then
2495 nogas=warn
2496 check_cflags -maltivec -mabi=altivec &&
2497 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2498 check_cflags -faltivec
2499
2500 # check if our compiler supports Motorola AltiVec C API
2501 check_cc <<EOF || disable altivec
2502 $inc_altivec_h
2503 int main(void) {
2504 vector signed int v1, v2, v3;
2505 v1 = vec_add(v2,v3);
2506 return 0;
2507 }
2508 EOF
2509
2510 # check if our compiler supports braces for vector declarations
2511 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2512 $inc_altivec_h
2513 int main (void) { (vector int) {1}; return 0; }
2514 EOF
2515 fi
2516
2517 elif enabled sparc; then
2518
2519 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2520 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2521
2522 elif enabled x86; then
2523
2524 enable local_aligned_8 local_aligned_16
2525
2526 # check whether EBP is available on x86
2527 # As 'i' is stored on the stack, this program will crash
2528 # if the base pointer is used to access it because the
2529 # base pointer is cleared in the inline assembly code.
2530 check_exec_crash <<EOF && enable ebp_available
2531 volatile int i=0;
2532 __asm__ volatile (
2533 "xorl %%ebp, %%ebp"
2534 ::: "%ebp");
2535 return i;
2536 EOF
2537
2538 # check whether EBX is available on x86
2539 check_asm ebx_available '""::"b"(0)' &&
2540 check_asm ebx_available '"":::"%ebx"'
2541
2542 # check whether more than 10 operands are supported
2543 check_cc <<EOF && enable ten_operands
2544 int main(void) {
2545 int x=0;
2546 __asm__ volatile(
2547 ""
2548 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2549 );
2550 return 0;
2551 }
2552 EOF
2553
2554 # check whether binutils is new enough to compile SSSE3/MMX2
2555 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2556 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2557
2558 check_asm bswap '"bswap %%eax" ::: "%eax"'
2559
2560 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2561 enabled x86_64 && append YASMFLAGS "-m amd64"
2562 enabled pic && append YASMFLAGS "-DPIC"
2563 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2564 case "$objformat" in
2565 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2566 esac
2567 if ! disabled yasm; then
2568 check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2569 warn "yasm not found, performance will suffer"
2570 fi
2571
2572 case "$cpu" in
2573 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2574 disable fast_clz
2575 ;;
2576 esac
2577
2578 fi
2579
2580 if enabled asm; then
2581 as=${gas:=$as}
2582 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2583 $nogas "GNU assembler not found, install gas-preprocessor"
2584 fi
2585
2586 if check_func dlopen; then
2587 ldl=
2588 elif check_func dlopen -ldl; then
2589 ldl=-ldl
2590 fi
2591
2592 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2593 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2594
2595 check_func fcntl
2596 check_func fork
2597 check_func getaddrinfo $network_extralibs
2598 check_func gethrtime
2599 check_func getrusage
2600 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2601 check_func inet_aton $network_extralibs
2602 check_func isatty
2603 check_func ${malloc_prefix}memalign && enable memalign
2604 check_func mkstemp
2605 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2606 check_func setrlimit
2607 check_func strerror_r
2608 check_func_headers io.h setmode
2609 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2610 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2611 check_func_headers windows.h GetProcessTimes
2612 check_func_headers windows.h VirtualAlloc
2613
2614 check_header conio.h
2615 check_header dlfcn.h
2616 check_header dxva2api.h
2617 check_header malloc.h
2618 check_header poll.h
2619 check_header sys/mman.h
2620 check_header sys/resource.h
2621 check_header sys/select.h
2622 check_header termios.h
2623 check_header vdpau/vdpau.h
2624 check_header vdpau/vdpau_x11.h
2625 check_header X11/extensions/XvMClib.h
2626
2627 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2628
2629 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2630 enabled_any $need_memalign ; then
2631 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2632 fi
2633
2634 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2635 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2636
2637 # check for some common methods of building with pthread support
2638 # do this before the optional library checks as some of them require pthreads
2639 if ! disabled pthreads && ! enabled w32threads; then
2640 enable pthreads
2641 if check_func pthread_create; then
2642 :
2643 elif check_func pthread_create -pthread; then
2644 add_cflags -pthread
2645 add_extralibs -pthread
2646 elif check_func pthread_create -pthreads; then
2647 add_cflags -pthreads
2648 add_extralibs -pthreads
2649 elif check_func pthread_create -lpthreadGC2; then
2650 add_extralibs -lpthreadGC2
2651 elif ! check_lib pthread.h pthread_create -lpthread; then
2652 disable pthreads
2653 fi
2654 fi
2655
2656 for thread in $THREADS_LIST; do
2657 if enabled $thread; then
2658 test -n "$thread_type" &&
2659 die "ERROR: Only one thread type must be selected." ||
2660 thread_type="$thread"
2661 fi
2662 done
2663
2664 check_lib math.h sin -lm
2665 disabled vaapi || check_lib va/va.h vaInitialize -lva
2666
2667 check_mathfunc exp2
2668 check_mathfunc exp2f
2669 check_mathfunc llrint
2670 check_mathfunc llrintf
2671 check_mathfunc log2
2672 check_mathfunc log2f
2673 check_mathfunc lrint
2674 check_mathfunc lrintf
2675 check_mathfunc round
2676 check_mathfunc roundf
2677 check_mathfunc truncf
2678
2679 # these are off by default, so fail if requested and not available
2680 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2681 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2682 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2683 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2684 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2685 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2686 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame
2687 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2688 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2689 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2690 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2691 enabled librtmp && { check_lib librtmp/rtmp.h RTMP_Socket $(pkg-config --libs librtmp) ||
2692 die "ERROR: librtmp not found or RTMP_Socket() missing, librtmp version must be >= 2.2.f"; }
2693 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2694 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2695 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2696 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2697 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2698 enabled libvpx && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx &&
2699 check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2700 die "ERROR: libvpx version must be >=0.9.1"; }
2701 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2702 { check_cpp_condition x264.h "X264_BUILD >= 98" ||
2703 die "ERROR: libx264 version must be >= 0.98."; }
2704 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2705 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2706 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2707
2708 # libdc1394 check
2709 if enabled libdc1394; then
2710 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2711 enable libdc1394_2; } ||
2712 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2713 enable libdc1394_1; } ||
2714 die "ERROR: No version of libdc1394 found "
2715 fi
2716
2717 SDL_CONFIG="${cross_prefix}sdl-config"
2718 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2719 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2720 sdl_libs=$("${SDL_CONFIG}" --libs)
2721 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2722 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2723 enable sdl &&
2724 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2725 fi
2726
2727 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2728
2729 if enabled network; then
2730 check_type "sys/types.h sys/socket.h" socklen_t
2731 check_type netdb.h "struct addrinfo"
2732 check_type netinet/in.h "struct ipv6_mreq"
2733 check_type netinet/in.h "struct sockaddr_in6"
2734 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2735 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2736 # Prefer arpa/inet.h over winsock2
2737 if check_header arpa/inet.h ; then
2738 check_func closesocket
2739 elif check_header winsock2.h ; then
2740 check_func_headers winsock2.h closesocket -lws2 && \
2741 network_extralibs="-lws2" || \
2742 { check_func_headers winsock2.h closesocket -lws2_32 && \
2743 network_extralibs="-lws2_32"; }
2744 check_type ws2tcpip.h socklen_t
2745 check_type ws2tcpip.h "struct addrinfo"
2746 check_type ws2tcpip.h "struct ipv6_mreq"
2747 check_type ws2tcpip.h "struct sockaddr_in6"
2748 check_type ws2tcpip.h "struct sockaddr_storage"
2749 check_struct winsock2.h "struct sockaddr" sa_len
2750 else
2751 disable network
2752 fi
2753 fi
2754
2755 check_header linux/videodev.h
2756 check_header linux/videodev2.h
2757 check_header sys/videoio.h
2758
2759 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2760 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2761 # w32api 3.12 had it defined wrong
2762 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2763
2764 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2765 { check_header dev/bktr/ioctl_meteor.h &&
2766 check_header dev/bktr/ioctl_bt848.h; } ||
2767 { check_header machine/ioctl_meteor.h &&
2768 check_header machine/ioctl_bt848.h; } ||
2769 { check_header dev/video/meteor/ioctl_meteor.h &&
2770 check_header dev/video/bktr/ioctl_bt848.h; } ||
2771 check_header dev/ic/bt8xx.h
2772
2773 check_header sys/soundcard.h
2774 check_header soundcard.h
2775
2776 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2777
2778 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2779
2780 enabled x11grab &&
2781 check_header X11/Xlib.h &&
2782 check_header X11/extensions/XShm.h &&
2783 check_header X11/extensions/Xfixes.h &&
2784 check_func XOpenDisplay -lX11 &&
2785 check_func XShmCreateImage -lX11 -lXext &&
2786 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2787
2788 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2789 check_cpp_condition \
2790 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2791 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2792 disable vdpau; }
2793 fi
2794
2795 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2796
2797 # add some useful compiler flags if supported
2798 check_cflags -Wdeclaration-after-statement
2799 check_cflags -Wall
2800 check_cflags -Wno-switch
2801 check_cflags -Wdisabled-optimization
2802 check_cflags -Wpointer-arith
2803 check_cflags -Wredundant-decls
2804 check_cflags -Wno-pointer-sign
2805 check_cflags -Wcast-qual
2806 check_cflags -Wwrite-strings
2807 check_cflags -Wtype-limits
2808 check_cflags -Wundef
2809 check_cflags -Wmissing-prototypes
2810 enabled extra_warnings && check_cflags -Winline
2811
2812 # add some linker flags
2813 check_ldflags -Wl,--warn-common
2814 check_ldflags -Wl,--as-needed
2815 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'
2816 check_ldflags -Wl,-Bsymbolic
2817
2818 echo "X{};" > $TMPV
2819 if test_ldflags -Wl,--version-script,$TMPV; then
2820 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2821 check_cc <<EOF && enable symver_asm_label
2822 void ff_foo(void) __asm__ ("av_foo@VERSION");
2823 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2824 EOF
2825 check_cc <<EOF && enable symver_gnu_asm
2826 __asm__(".symver ff_foo,av_foo@VERSION");
2827 void ff_foo(void) {}
2828 EOF
2829 fi
2830
2831 if enabled small; then
2832 add_cflags $size_cflags
2833 optimizations="small"
2834 elif enabled optimizations; then
2835 add_cflags $speed_cflags
2836 else
2837 add_cflags $noopt_cflags
2838 fi
2839 check_cflags -fno-math-errno
2840 check_cflags -fno-signed-zeros
2841
2842 if enabled icc; then
2843 # Just warnings, no remarks
2844 check_cflags -w1
2845 # -wd: Disable following warnings
2846 # 144, 167, 556: -Wno-pointer-sign
2847 # 10006: ignoring unknown option -fno-signed-zeros
2848 # 10156: ignoring option '-W'; no argument required
2849 check_cflags -wd144,167,556,10006,10156
2850 # 11030: Warning unknown option --as-needed
2851 # 10156: ignoring option '-export'; no argument required
2852 check_ldflags -wd10156,11030
2853 # Allow to compile with optimizations
2854 check_ldflags -march=$cpu
2855 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2856 enable ebp_available
2857 elif enabled ccc; then
2858 # disable some annoying warnings
2859 add_cflags -msg_disable cvtu32to64
2860 add_cflags -msg_disable embedcomment
2861 add_cflags -msg_disable needconstext
2862 add_cflags -msg_disable nomainieee
2863 add_cflags -msg_disable ptrmismatch1
2864 add_cflags -msg_disable unreachcode
2865 elif enabled gcc; then
2866 check_cflags -fno-tree-vectorize
2867 check_cflags -Werror=implicit-function-declaration
2868 check_cflags -Werror=missing-prototypes
2869 elif enabled clang; then
2870 check_cflags -Qunused-arguments
2871 elif enabled armcc; then
2872 # 2523: use of inline assembler is deprecated
2873 add_cflags -Wrvct,--diag_suppress=2523
2874 add_cflags -Wrvct,--diag_suppress=1207
2875 elif enabled tms470; then
2876 add_cflags -pds=824 -pds=837
2877 fi
2878
2879 enabled_any $THREADS_LIST && enable threads
2880
2881 check_deps $CONFIG_LIST \
2882 $CONFIG_EXTRA \
2883 $HAVE_LIST \
2884 $DECODER_LIST \
2885 $ENCODER_LIST \
2886 $HWACCEL_LIST \
2887 $PARSER_LIST \
2888 $BSF_LIST \
2889 $DEMUXER_LIST \
2890 $MUXER_LIST \
2891 $FILTER_LIST \
2892 $INDEV_LIST \
2893 $OUTDEV_LIST \
2894 $PROTOCOL_LIST \
2895 $ACODEC_TESTS \
2896 $VCODEC_TESTS \
2897 $LAVF_TESTS \
2898 $LAVFI_TESTS \
2899 $SEEK_TESTS \
2900
2901 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
2902
2903 echo "install prefix $prefix"
2904 echo "source path $source_path"
2905 echo "C compiler $cc"
2906 echo "ARCH $arch ($cpu)"
2907 if test "$build_suffix" != ""; then
2908 echo "build suffix $build_suffix"
2909 fi
2910 if test "$extra_version" != ""; then
2911 echo "version string suffix $extra_version"
2912 fi
2913 echo "big-endian ${bigendian-no}"
2914 echo "runtime cpu detection ${runtime_cpudetect-no}"
2915 if enabled x86; then
2916 echo "yasm ${yasm-no}"
2917 echo "MMX enabled ${mmx-no}"
2918 echo "MMX2 enabled ${mmx2-no}"
2919 echo "3DNow! enabled ${amd3dnow-no}"
2920 echo "3DNow! extended enabled ${amd3dnowext-no}"
2921 echo "SSE enabled ${sse-no}"
2922 echo "SSSE3 enabled ${ssse3-no}"
2923 echo "CMOV enabled ${cmov-no}"
2924 echo "CMOV is fast ${fast_cmov-no}"
2925 echo "EBX available ${ebx_available-no}"
2926 echo "EBP available ${ebp_available-no}"
2927 echo "10 operands supported ${ten_operands-no}"
2928 fi
2929 if enabled arm; then
2930 echo "ARMv5TE enabled ${armv5te-no}"
2931 echo "ARMv6 enabled ${armv6-no}"
2932 echo "ARMv6T2 enabled ${armv6t2-no}"
2933 echo "ARM VFP enabled ${armvfp-no}"
2934 echo "IWMMXT enabled ${iwmmxt-no}"
2935 echo "NEON enabled ${neon-no}"
2936 fi
2937 if enabled mips; then
2938 echo "MMI enabled ${mmi-no}"
2939 fi
2940 if enabled ppc; then
2941 echo "AltiVec enabled ${altivec-no}"
2942 echo "PPC 4xx optimizations ${ppc4xx-no}"
2943 echo "dcbzl available ${dcbzl-no}"
2944 fi
2945 if enabled sparc; then
2946 echo "VIS enabled ${vis-no}"
2947 fi
2948 echo "debug symbols ${debug-no}"
2949 echo "strip symbols ${stripping-no}"
2950 echo "optimizations ${optimizations-no}"
2951 echo "static ${static-no}"
2952 echo "shared ${shared-no}"
2953 echo "postprocessing support ${postproc-no}"
2954 echo "new filter support ${avfilter-no}"
2955 echo "network support ${network-no}"
2956 echo "threading support ${thread_type-no}"
2957 echo "SDL support ${sdl-no}"
2958 echo "Sun medialib support ${mlib-no}"
2959 echo "AVISynth enabled ${avisynth-no}"
2960 echo "libdc1394 support ${libdc1394-no}"
2961 echo "libdirac enabled ${libdirac-no}"
2962 echo "libfaac enabled ${libfaac-no}"
2963 echo "libgsm enabled ${libgsm-no}"
2964 echo "libmp3lame enabled ${libmp3lame-no}"
2965 echo "libnut enabled ${libnut-no}"
2966 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2967 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2968 echo "libopenjpeg enabled ${libopenjpeg-no}"
2969 echo "librtmp enabled ${librtmp-no}"
2970 echo "libschroedinger enabled ${libschroedinger-no}"
2971 echo "libspeex enabled ${libspeex-no}"
2972 echo "libtheora enabled ${libtheora-no}"
2973 echo "libvorbis enabled ${libvorbis-no}"
2974 echo "libvpx enabled ${libvpx-no}"
2975 echo "libx264 enabled ${libx264-no}"
2976 echo "libxavs enabled ${libxavs-no}"
2977 echo "libxvid enabled ${libxvid-no}"
2978 echo "zlib enabled ${zlib-no}"
2979 echo "bzlib enabled ${bzlib-no}"
2980 echo
2981
2982 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2983 echo "Enabled ${type}s:"
2984 eval list=\$$(toupper $type)_LIST
2985 print_enabled '_*' $list | sort | pr -3 -t
2986 echo
2987 done
2988
2989 license="LGPL version 2.1 or later"
2990 if enabled nonfree; then
2991 license="nonfree and unredistributable"
2992 elif enabled gplv3; then
2993 license="GPL version 3 or later"
2994 elif enabled lgplv3; then
2995 license="LGPL version 3 or later"
2996 elif enabled gpl; then
2997 license="GPL version 2 or later"
2998 fi
2999
3000 echo "License: $license"
3001
3002 echo "Creating config.mak and config.h..."
3003
3004 # build tree in object directory if source path is different from current one
3005 if enabled source_path_used; then
3006 DIRS="
3007 doc
3008 libavcodec
3009 libavcodec/$arch
3010 libavcore
3011 libavdevice
3012 libavfilter
3013 libavformat
3014 libavutil
3015 libavutil/$arch
3016 libpostproc
3017 libswscale
3018 libswscale/$arch
3019 tests
3020 tools
3021 "
3022 FILES="
3023 Makefile
3024 common.mak
3025 subdir.mak
3026 doc/texi2pod.pl
3027 libavcodec/Makefile
3028 libavcodec/${arch}/Makefile
3029 libavcore/Makefile
3030 libavdevice/Makefile
3031 libavfilter/Makefile
3032 libavformat/Makefile
3033 libavutil/Makefile
3034 libpostproc/Makefile
3035 libswscale/Makefile
3036 "
3037 map 'mkdir -p $v' $DIRS;
3038 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
3039 fi
3040
3041 enabled stripping || strip="echo skipping strip"
3042
3043 cat > config.mak <<EOF
3044 # Automatically generated by configure - do not modify!
3045 ifndef FFMPEG_CONFIG_MAK
3046 FFMPEG_CONFIG_MAK=1
3047 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3048 prefix=$prefix
3049 LIBDIR=\$(DESTDIR)$libdir
3050 SHLIBDIR=\$(DESTDIR)$shlibdir
3051 INCDIR=\$(DESTDIR)$incdir
3052 BINDIR=\$(DESTDIR)$bindir
3053 DATADIR=\$(DESTDIR)$datadir
3054 MANDIR=\$(DESTDIR)$mandir
3055 SRC_PATH="$source_path"
3056 SRC_PATH_BARE=$source_path
3057 BUILD_ROOT="$PWD"
3058 CC_IDENT=$cc_ident
3059 ARCH=$arch
3060 CC=$cc
3061 AS=$as
3062 LD=$ld
3063 DEPCC=$dep_cc
3064 YASM=$yasmexe
3065 YASMDEP=$yasmexe
3066 AR=$ar
3067 RANLIB=$ranlib
3068 CP=cp -p
3069 LN_S=$ln_s
3070 STRIP=$strip
3071 CPPFLAGS=$CPPFLAGS
3072 CFLAGS=$CFLAGS
3073 ASFLAGS=$ASFLAGS
3074 CC_O=$CC_O
3075 LDFLAGS=$LDFLAGS
3076 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3077 SHFLAGS=$SHFLAGS
3078 YASMFLAGS=$YASMFLAGS
3079 BUILDSUF=$build_suffix
3080 FULLNAME=$FULLNAME
3081 LIBPREF=$LIBPREF
3082 LIBSUF=$LIBSUF
3083 LIBNAME=$LIBNAME
3084 SLIBPREF=$SLIBPREF
3085 SLIBSUF=$SLIBSUF
3086 EXESUF=$EXESUF
3087 EXTRA_VERSION=$extra_version
3088 DEPFLAGS=$DEPFLAGS
3089 CCDEP=$CCDEP
3090 ASDEP=$ASDEP
3091 CC_DEPFLAGS=$CC_DEPFLAGS
3092 AS_DEPFLAGS=$AS_DEPFLAGS
3093 HOSTCC=$host_cc
3094 HOSTCFLAGS=$host_cflags
3095 HOSTEXESUF=$HOSTEXESUF
3096 HOSTLDFLAGS=$host_ldflags
3097 HOSTLIBS=$host_libs
3098 TARGET_EXEC=$target_exec
3099 TARGET_PATH=$target_path
3100 SDL_LIBS=$sdl_libs
3101 SDL_CFLAGS=$sdl_cflags
3102 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3103 EXTRALIBS=$extralibs
3104 INSTALL=install
3105 LIBTARGET=${LIBTARGET}
3106 SLIBNAME=${SLIBNAME}
3107 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3108 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3109 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3110 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3111 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3112 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3113 SAMPLES=$samples
3114 EOF
3115
3116 get_version(){
3117 name=$1
3118 file=$source_path/$2
3119 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3120 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3121 lcname=$(tolower $name)
3122 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3123 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3124 }
3125
3126 get_version LIBSWSCALE libswscale/swscale.h
3127 get_version LIBPOSTPROC libpostproc/postprocess.h
3128 get_version LIBAVCODEC libavcodec/avcodec.h
3129 get_version LIBAVCORE libavcore/avcore.h
3130 get_version LIBAVDEVICE libavdevice/avdevice.h
3131 get_version LIBAVFORMAT libavformat/avformat.h
3132 get_version LIBAVUTIL libavutil/avutil.h
3133 get_version LIBAVFILTER libavfilter/avfilter.h
3134
3135 cat > $TMPH <<EOF
3136 /* Automatically generated by configure - do not modify! */
3137 #ifndef FFMPEG_CONFIG_H
3138 #define FFMPEG_CONFIG_H
3139 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3140 #define FFMPEG_LICENSE "$(c_escape $license)"
3141 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3142 #define CC_TYPE "$cc_type"
3143 #define CC_VERSION $cc_version
3144 #define restrict $_restrict
3145 #define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
3146 #define EXTERN_PREFIX "${extern_prefix}"
3147 #define EXTERN_ASM ${extern_prefix}
3148 EOF
3149
3150 test -n "$malloc_prefix" &&
3151 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3152
3153 if enabled small || disabled optimizations; then
3154 echo "#undef av_always_inline" >> $TMPH
3155 echo "#define av_always_inline" >> $TMPH
3156 fi
3157
3158 print_config ARCH_ $TMPH config.mak $ARCH_LIST
3159 print_config HAVE_ $TMPH config.mak $HAVE_LIST
3160 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
3161 $CONFIG_EXTRA \
3162 $DECODER_LIST \
3163 $ENCODER_LIST \
3164 $HWACCEL_LIST \
3165 $PARSER_LIST \
3166 $BSF_LIST \
3167 $DEMUXER_LIST \
3168 $MUXER_LIST \
3169 $FILTER_LIST \
3170 $PROTOCOL_LIST \
3171 $INDEV_LIST \
3172 $OUTDEV_LIST \
3173
3174 cat >>config.mak <<EOF
3175 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3176 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3177 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3178 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3179 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3180 EOF
3181
3182 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3183 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3184
3185 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3186 cp_if_changed $TMPH config.h
3187 touch .config
3188
3189 cat > $TMPH <<EOF
3190 /* Generated by ffconf */
3191 #ifndef AVUTIL_AVCONFIG_H
3192 #define AVUTIL_AVCONFIG_H
3193 EOF
3194
3195 print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3196
3197 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3198
3199 cp_if_changed $TMPH libavutil/avconfig.h
3200
3201 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
3202
3203 test -n "$WARNINGS" && printf "\n$WARNINGS"
3204
3205 # build pkg-config files
3206
3207 pkgconfig_generate(){
3208 name=$1
3209 shortname=${name#lib}${build_suffix}
3210 comment=$2
3211 version=$3
3212 libs=$4
3213 requires=$5
3214 enabled $shortname || return 0
3215 cat <<EOF > $name/$name.pc
3216 prefix=$prefix
3217 exec_prefix=\${prefix}
3218 libdir=$libdir
3219 includedir=$incdir
3220
3221 Name: $name
3222 Description: $comment
3223 Version: $version
3224 Requires: $(enabled shared || echo $requires)
3225 Requires.private: $(enabled shared && echo $requires)
3226 Conflicts:
3227 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3228 Libs.private: $(enabled shared && echo $libs)
3229 Cflags: -I\${includedir}
3230 EOF
3231 cat <<EOF > $name/$name-uninstalled.pc
3232 prefix=
3233 exec_prefix=
3234 libdir=\${pcfiledir}
3235 includedir=${source_path}
3236
3237 Name: $name
3238 Description: $comment
3239 Version: $version
3240 Requires: $requires
3241 Conflicts:
3242 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3243 Cflags: -I\${includedir}
3244 EOF
3245 }
3246
3247 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3248 pkgconfig_generate libavcore "FFmpeg multimedia shared core utilities library" "$LIBAVCORE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3249 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3250 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3251 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3252 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3253 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3254 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"