dbead9def374ccbc4acd4d910783a753c9509d61
[libav.git] / configure
1 #!/bin/sh
2 #
3 # Libav 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 LIBAV, 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 Libav."
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 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
58
59 show_help(){
60 cat <<EOF
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
63
64 Help options:
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
77
78 Standard options:
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --prefix=PREFIX install in PREFIX [$prefix]
82 --bindir=DIR install binaries in DIR [PREFIX/bin]
83 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
84 --libdir=DIR install libs in DIR [PREFIX/lib]
85 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
86 --incdir=DIR install includes in DIR [PREFIX/include]
87 --mandir=DIR install man page in DIR [PREFIX/share/man]
88
89 Licensing options:
90 --enable-gpl allow use of GPL code, the resulting libs
91 and binaries will be under GPL [no]
92 --enable-version3 upgrade (L)GPL to version 3 [no]
93 --enable-nonfree allow use of nonfree code, the resulting libs
94 and binaries will be unredistributable [no]
95
96 Configuration options:
97 --disable-static do not build static libraries [no]
98 --enable-shared build shared libraries [no]
99 --enable-small optimize for size instead of speed
100 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
101 --enable-gray enable full grayscale support (slower color)
102 --disable-swscale-alpha disable alpha channel support in swscale
103 --disable-all disable building components, libraries and programs
104
105 Program options:
106 --disable-programs do not build command line programs
107 --disable-avconv disable avconv build
108 --disable-avplay disable avplay build
109 --disable-avprobe disable avprobe build
110 --disable-avserver disable avserver build
111
112 Component options:
113 --disable-doc do not build documentation
114 --disable-avdevice disable libavdevice build
115 --disable-avcodec disable libavcodec build
116 --disable-avformat disable libavformat build
117 --disable-avutil disable libavutil build
118 --disable-swscale disable libswscale build
119 --disable-avfilter disable video filter support [no]
120 --disable-avresample disable libavresample build [no]
121 --disable-pthreads disable pthreads [auto]
122 --disable-w32threads disable Win32 threads [auto]
123 --disable-network disable network support [no]
124 --disable-dct disable DCT code
125 --disable-error-resilience disable error resilience code
126 --disable-lsp disable LSP code
127 --disable-lzo disable LZO decoder code
128 --disable-mdct disable MDCT code
129 --disable-rdft disable RDFT code
130 --disable-fft disable FFT code
131
132 Hardware accelerators:
133 --enable-dxva2 enable DXVA2 code
134 --enable-vaapi enable VAAPI code
135 --enable-vda enable VDA code
136 --enable-vdpau enable VDPAU code
137
138 Individual component options:
139 --disable-everything disable all components listed below
140 --disable-encoder=NAME disable encoder NAME
141 --enable-encoder=NAME enable encoder NAME
142 --disable-encoders disable all encoders
143 --disable-decoder=NAME disable decoder NAME
144 --enable-decoder=NAME enable decoder NAME
145 --disable-decoders disable all decoders
146 --disable-hwaccel=NAME disable hwaccel NAME
147 --enable-hwaccel=NAME enable hwaccel NAME
148 --disable-hwaccels disable all hwaccels
149 --disable-muxer=NAME disable muxer NAME
150 --enable-muxer=NAME enable muxer NAME
151 --disable-muxers disable all muxers
152 --disable-demuxer=NAME disable demuxer NAME
153 --enable-demuxer=NAME enable demuxer NAME
154 --disable-demuxers disable all demuxers
155 --enable-parser=NAME enable parser NAME
156 --disable-parser=NAME disable parser NAME
157 --disable-parsers disable all parsers
158 --enable-bsf=NAME enable bitstream filter NAME
159 --disable-bsf=NAME disable bitstream filter NAME
160 --disable-bsfs disable all bitstream filters
161 --enable-protocol=NAME enable protocol NAME
162 --disable-protocol=NAME disable protocol NAME
163 --disable-protocols disable all protocols
164 --enable-indev=NAME enable input device NAME
165 --disable-indev=NAME disable input device NAME
166 --disable-indevs disable input devices
167 --enable-outdev=NAME enable output device NAME
168 --disable-outdev=NAME disable output device NAME
169 --disable-outdevs disable output devices
170 --disable-devices disable all devices
171 --enable-filter=NAME enable filter NAME
172 --disable-filter=NAME disable filter NAME
173 --disable-filters disable all filters
174
175 External library support:
176 --enable-avisynth enable reading of AviSynth script files [no]
177 --enable-bzlib enable bzlib [autodetect]
178 --enable-frei0r enable frei0r video filtering
179 --enable-gnutls enable gnutls [no]
180 --enable-libcdio enable audio CD grabbing with libcdio
181 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
182 and libraw1394 [no]
183 --enable-libfaac enable AAC encoding via libfaac [no]
184 --enable-libfdk-aac enable AAC encoding via libfdk-aac [no]
185 --enable-libfreetype enable libfreetype [no]
186 --enable-libgsm enable GSM de/encoding via libgsm [no]
187 --enable-libilbc enable iLBC de/encoding via libilbc [no]
188 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
189 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
190 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
191 --enable-libopencv enable video filtering via libopencv [no]
192 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
193 --enable-libopus enable Opus decoding via libopus [no]
194 --enable-libpulse enable Pulseaudio input via libpulse [no]
195 --enable-librtmp enable RTMP[E] support via librtmp [no]
196 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
197 --enable-libspeex enable Speex de/encoding via libspeex [no]
198 --enable-libtheora enable Theora encoding via libtheora [no]
199 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
200 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
201 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
202 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
203 --enable-libwavpack enable wavpack encoding via libwavpack [no]
204 --enable-libx264 enable H.264 encoding via x264 [no]
205 --enable-libxavs enable AVS encoding via xavs [no]
206 --enable-libxvid enable Xvid encoding via xvidcore,
207 native MPEG-4/Xvid encoder exists [no]
208 --enable-openssl enable openssl [no]
209 --enable-x11grab enable X11 grabbing [no]
210 --enable-zlib enable zlib [autodetect]
211
212 Advanced options (experts only):
213 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
214 --enable-cross-compile assume a cross-compiler is used
215 --sysroot=PATH root of cross-build tree
216 --sysinclude=PATH location of cross-build system headers
217 --target-os=OS compiler targets OS [$target_os]
218 --target-exec=CMD command to run executables on target
219 --target-path=DIR path to view of build directory on target
220 --target-samples=DIR path to samples directory on target
221 --toolchain=NAME set tool defaults according to NAME
222 --nm=NM use nm tool
223 --ar=AR use archive tool AR [$ar_default]
224 --as=AS use assembler AS [$as_default]
225 --cc=CC use C compiler CC [$cc_default]
226 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
227 --ld=LD use linker LD
228 --host-cc=HOSTCC use host C compiler HOSTCC
229 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
230 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
231 --host-ld=HOSTLD use host linker HOSTLD
232 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
233 --host-libs=HLIBS use libs HLIBS when linking for host
234 --host-os=OS compiler host OS [$target_os]
235 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
236 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
237 --extra-libs=ELIBS add ELIBS [$ELIBS]
238 --extra-version=STRING version string suffix []
239 --optflags=OPTFLAGS override optimization-related compiler flags
240 --build-suffix=SUFFIX library name suffix []
241 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
242 --arch=ARCH select architecture [$arch]
243 --cpu=CPU select the minimum required CPU (affects
244 instruction selection, may crash on older CPUs)
245 --enable-pic build position-independent code
246 --enable-sram allow use of on-chip SRAM
247 --enable-thumb compile for Thumb instruction set
248 --disable-symver disable symbol versioning
249 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
250 --disable-safe-bitstream-reader
251 disable buffer boundary checking in bitreaders
252 (faster, but may crash)
253 --enable-memalign-hack emulate memalign, interferes with memory debuggers
254 --enable-lto use link-time optimization
255
256 Optimization options (experts only):
257 --disable-asm disable all assembler optimizations
258 --disable-altivec disable AltiVec optimizations
259 --disable-amd3dnow disable 3DNow! optimizations
260 --disable-amd3dnowext disable 3DNow! extended optimizations
261 --disable-mmx disable MMX optimizations
262 --disable-mmxext disable MMXEXT optimizations
263 --disable-sse disable SSE optimizations
264 --disable-sse2 disable SSE2 optimizations
265 --disable-sse3 disable SSE3 optimizations
266 --disable-ssse3 disable SSSE3 optimizations
267 --disable-sse4 disable SSE4 optimizations
268 --disable-sse42 disable SSE4.2 optimizations
269 --disable-avx disable AVX optimizations
270 --disable-fma4 disable FMA4 optimizations
271 --disable-armv5te disable armv5te optimizations
272 --disable-armv6 disable armv6 optimizations
273 --disable-armv6t2 disable armv6t2 optimizations
274 --disable-vfp disable VFP optimizations
275 --disable-neon disable NEON optimizations
276 --disable-vis disable VIS optimizations
277 --disable-inline-asm disable use of inline assembler
278 --disable-yasm disable use of yasm assembler
279
280 Developer options (useful when working on Libav itself):
281 --disable-debug disable debugging symbols
282 --enable-debug=LEVEL set the debug level [$debuglevel]
283 --disable-optimizations disable compiler optimizations
284 --enable-extra-warnings enable more compiler warnings
285 --samples=PATH location of test samples for FATE, if not set use
286 \$LIBAV_SAMPLES at make invocation time.
287 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
288 should be used only for debugging purposes)
289 --enable-random randomly enable/disable components
290 --disable-random
291 --enable-random=LIST randomly enable/disable specific components or
292 --disable-random=LIST component groups. LIST is a comma-separated list
293 of NAME[:PROB] entries where NAME is a component
294 (group) and PROB the probability associated with
295 NAME (default 0.5).
296 --random-seed=VALUE seed value for --enable/disable-random
297
298 NOTE: Object files are built at the place where configure is launched.
299 EOF
300 exit 0
301 }
302
303 quotes='""'
304
305 log(){
306 echo "$@" >> $logfile
307 }
308
309 log_file(){
310 log BEGIN $1
311 pr -n -t $1 >> $logfile
312 log END $1
313 }
314
315 echolog(){
316 log "$@"
317 echo "$@"
318 }
319
320 warn(){
321 log "WARNING: $*"
322 WARNINGS="${WARNINGS}WARNING: $*\n"
323 }
324
325 die(){
326 echolog "$@"
327 cat <<EOF
328
329 If you think configure made a mistake, make sure you are using the latest
330 version from Git. If the latest version fails, report the problem to the
331 libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
332 EOF
333 if disabled logging; then
334 cat <<EOF
335 Rerun configure with logging enabled (do not use --disable-logging), and
336 include the log this produces with your report.
337 EOF
338 else
339 cat <<EOF
340 Include the log file "$logfile" produced by configure as this will help
341 solving the problem.
342 EOF
343 fi
344 exit 1
345 }
346
347 # Avoid locale weirdness, besides we really just want to translate ASCII.
348 toupper(){
349 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
350 }
351
352 tolower(){
353 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
354 }
355
356 c_escape(){
357 echo "$*" | sed 's/["\\]/\\\0/g'
358 }
359
360 sh_quote(){
361 v=$(echo "$1" | sed "s/'/'\\\\''/g")
362 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
363 echo "$v"
364 }
365
366 cleanws(){
367 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
368 }
369
370 filter(){
371 pat=$1
372 shift
373 for v; do
374 eval "case $v in $pat) echo $v ;; esac"
375 done
376 }
377
378 filter_out(){
379 pat=$1
380 shift
381 for v; do
382 eval "case $v in $pat) ;; *) echo $v ;; esac"
383 done
384 }
385
386 map(){
387 m=$1
388 shift
389 for v; do eval $m; done
390 }
391
392 add_suffix(){
393 suffix=$1
394 shift
395 for v; do echo ${v}${suffix}; done
396 }
397
398 set_all(){
399 value=$1
400 shift
401 for var in $*; do
402 eval $var=$value
403 done
404 }
405
406 set_weak(){
407 value=$1
408 shift
409 for var; do
410 eval : \${$var:=$value}
411 done
412 }
413
414 sanitize_var_name(){
415 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
416 }
417
418 set_safe(){
419 var=$1
420 shift
421 eval $(sanitize_var_name "$var")='$*'
422 }
423
424 get_safe(){
425 eval echo \$$(sanitize_var_name "$1")
426 }
427
428 pushvar(){
429 for pvar in $*; do
430 eval level=\${${pvar}_level:=0}
431 eval ${pvar}_${level}="\$$pvar"
432 eval ${pvar}_level=$(($level+1))
433 done
434 }
435
436 popvar(){
437 for pvar in $*; do
438 eval level=\${${pvar}_level:-0}
439 test $level = 0 && continue
440 eval level=$(($level-1))
441 eval $pvar="\${${pvar}_${level}}"
442 eval ${pvar}_level=$level
443 eval unset ${pvar}_${level}
444 done
445 }
446
447 enable(){
448 set_all yes $*
449 }
450
451 disable(){
452 set_all no $*
453 }
454
455 enable_weak(){
456 set_weak yes $*
457 }
458
459 disable_weak(){
460 set_weak no $*
461 }
462
463 enable_safe(){
464 for var; do
465 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
466 done
467 }
468
469 disable_safe(){
470 for var; do
471 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
472 done
473 }
474
475 do_enable_deep(){
476 for var; do
477 enabled $var && continue
478 eval sel="\$${var}_select"
479 eval sgs="\$${var}_suggest"
480 pushvar var sgs
481 enable_deep $sel
482 popvar sgs
483 enable_deep_weak $sgs
484 popvar var
485 done
486 }
487
488 enable_deep(){
489 do_enable_deep $*
490 enable $*
491 }
492
493 enable_deep_weak(){
494 for var; do
495 disabled $var && continue
496 pushvar var
497 do_enable_deep $var
498 popvar var
499 enable_weak $var
500 done
501 }
502
503 enabled(){
504 test "${1#!}" = "$1" && op== || op=!=
505 eval test "x\$${1#!}" $op "xyes"
506 }
507
508 disabled(){
509 test "${1#!}" = "$1" && op== || op=!=
510 eval test "x\$${1#!}" $op "xno"
511 }
512
513 enabled_all(){
514 for opt; do
515 enabled $opt || return 1
516 done
517 }
518
519 disabled_all(){
520 for opt; do
521 disabled $opt || return 1
522 done
523 }
524
525 enabled_any(){
526 for opt; do
527 enabled $opt && return 0
528 done
529 }
530
531 disabled_any(){
532 for opt; do
533 disabled $opt && return 0
534 done
535 return 1
536 }
537
538 set_default(){
539 for opt; do
540 eval : \${$opt:=\$${opt}_default}
541 done
542 }
543
544 is_in(){
545 value=$1
546 shift
547 for var in $*; do
548 [ $var = $value ] && return 0
549 done
550 return 1
551 }
552
553 do_check_deps(){
554 for cfg; do
555 cfg="${cfg#!}"
556 enabled ${cfg}_checking && die "Circular dependency for $cfg."
557 disabled ${cfg}_checking && continue
558 enable ${cfg}_checking
559 append allopts $cfg
560
561 eval dep_all="\$${cfg}_deps"
562 eval dep_any="\$${cfg}_deps_any"
563 eval dep_sel="\$${cfg}_select"
564 eval dep_sgs="\$${cfg}_suggest"
565 eval dep_ifa="\$${cfg}_if"
566 eval dep_ifn="\$${cfg}_if_any"
567
568 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
569 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
570 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
571
572 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
573 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
574 enabled_all $dep_all || disable $cfg
575 enabled_any $dep_any || disable $cfg
576 disabled_any $dep_sel && disable $cfg
577
578 if enabled $cfg; then
579 enable_deep $dep_sel
580 enable_deep_weak $dep_sgs
581 fi
582
583 disable ${cfg}_checking
584 done
585 }
586
587 check_deps(){
588 unset allopts
589
590 do_check_deps "$@"
591
592 for cfg in $allopts; do
593 enabled $cfg || continue
594 eval dep_extralibs="\$${cfg}_extralibs"
595 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
596 done
597 }
598
599 print_config(){
600 pfx=$1
601 files=$2
602 shift 2
603 map 'eval echo "$v \${$v:-no}"' "$@" |
604 awk "BEGIN { split(\"$files\", files) }
605 {
606 c = \"$pfx\" toupper(\$1);
607 v = \$2;
608 sub(/yes/, 1, v);
609 sub(/no/, 0, v);
610 for (f in files) {
611 file = files[f];
612 if (file ~ /\\.h\$/) {
613 printf(\"#define %s %d\\n\", c, v) >>file;
614 } else if (file ~ /\\.asm\$/) {
615 printf(\"%%define %s %d\\n\", c, v) >>file;
616 } else if (file ~ /\\.mak\$/) {
617 n = -v ? \"\" : \"!\";
618 printf(\"%s%s=yes\\n\", n, c) >>file;
619 }
620 }
621 }"
622 }
623
624 print_enabled(){
625 suf=$1
626 shift
627 for v; do
628 enabled $v && printf "%s\n" ${v%$suf};
629 done
630 }
631
632 append(){
633 var=$1
634 shift
635 eval "$var=\"\$$var $*\""
636 }
637
638 prepend(){
639 var=$1
640 shift
641 eval "$var=\"$* \$$var\""
642 }
643
644 add_cppflags(){
645 append CPPFLAGS "$@"
646 }
647
648 add_cflags(){
649 append CFLAGS $($cflags_filter "$@")
650 }
651
652 add_asflags(){
653 append ASFLAGS $($asflags_filter "$@")
654 }
655
656 add_ldflags(){
657 append LDFLAGS $($ldflags_filter "$@")
658 }
659
660 add_extralibs(){
661 prepend extralibs $($ldflags_filter "$@")
662 }
663
664 add_host_cppflags(){
665 append host_cppflags "$@"
666 }
667
668 add_host_cflags(){
669 append host_cflags $($host_cflags_filter "$@")
670 }
671
672 add_host_ldflags(){
673 append host_ldflags $($host_ldflags_filter "$@")
674 }
675
676 add_compat(){
677 append compat_objs $1
678 shift
679 map 'add_cppflags -D$v' "$@"
680 }
681
682 check_cmd(){
683 log "$@"
684 "$@" >> $logfile 2>&1
685 }
686
687 cc_o(){
688 eval printf '%s\\n' $CC_O
689 }
690
691 cc_e(){
692 eval printf '%s\\n' $CC_E
693 }
694
695 check_cc(){
696 log check_cc "$@"
697 cat > $TMPC
698 log_file $TMPC
699 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
700 }
701
702 check_cpp(){
703 log check_cpp "$@"
704 cat > $TMPC
705 log_file $TMPC
706 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
707 }
708
709 as_o(){
710 eval printf '%s\\n' $AS_O
711 }
712
713 check_as(){
714 log check_as "$@"
715 cat > $TMPS
716 log_file $TMPS
717 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
718 }
719
720 check_inline_asm(){
721 log check_inline_asm "$@"
722 name="$1"
723 code="$2"
724 shift 2
725 disable $name
726 check_cc "$@" <<EOF && enable $name
727 void foo(void){ __asm__ volatile($code); }
728 EOF
729 }
730
731 check_insn(){
732 log check_insn "$@"
733 check_inline_asm ${1}_inline "\"$2\""
734 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
735 }
736
737 check_yasm(){
738 log check_yasm "$@"
739 echo "$1" > $TMPS
740 log_file $TMPS
741 shift 1
742 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
743 }
744
745 ld_o(){
746 eval printf '%s\\n' $LD_O
747 }
748
749 check_ld(){
750 log check_ld "$@"
751 flags=$(filter_out '-l*' "$@")
752 libs=$(filter '-l*' "$@")
753 check_cc $($cflags_filter $flags) || return
754 flags=$($ldflags_filter $flags)
755 libs=$($ldflags_filter $libs)
756 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
757 }
758
759 check_code(){
760 log check_code "$@"
761 check=$1
762 headers=$2
763 code=$3
764 shift 3
765 {
766 for hdr in $headers; do
767 echo "#include <$hdr>"
768 done
769 echo "int main(void) { $code; return 0; }"
770 } | check_$check "$@"
771 }
772
773 check_cppflags(){
774 log check_cppflags "$@"
775 check_cc "$@" <<EOF && append CPPFLAGS "$@"
776 int x;
777 EOF
778 }
779
780 check_cflags(){
781 log check_cflags "$@"
782 set -- $($cflags_filter "$@")
783 check_cc "$@" <<EOF && append CFLAGS "$@"
784 int x;
785 EOF
786 }
787
788 test_ldflags(){
789 log test_ldflags "$@"
790 check_ld "$@" <<EOF
791 int main(void){ return 0; }
792 EOF
793 }
794
795 check_ldflags(){
796 log check_ldflags "$@"
797 test_ldflags "$@" && add_ldflags "$@"
798 }
799
800 check_header(){
801 log check_header "$@"
802 header=$1
803 shift
804 disable_safe $header
805 check_cpp "$@" <<EOF && enable_safe $header
806 #include <$header>
807 int x;
808 EOF
809 }
810
811 check_func(){
812 log check_func "$@"
813 func=$1
814 shift
815 disable $func
816 check_ld "$@" <<EOF && enable $func
817 extern int $func();
818 int main(void){ $func(); }
819 EOF
820 }
821
822 check_mathfunc(){
823 log check_mathfunc "$@"
824 func=$1
825 narg=$2
826 shift 2
827 test $narg = 2 && args="f, g" || args="f"
828 disable $func
829 check_ld "$@" <<EOF && enable $func
830 #include <math.h>
831 float foo(float f, float g) { return $func($args); }
832 int main(void){ return 0; }
833 EOF
834 }
835
836 check_func_headers(){
837 log check_func_headers "$@"
838 headers=$1
839 funcs=$2
840 shift 2
841 {
842 for hdr in $headers; do
843 echo "#include <$hdr>"
844 done
845 for func in $funcs; do
846 echo "long check_$func(void) { return (long) $func; }"
847 done
848 echo "int main(void) { return 0; }"
849 } | check_ld "$@" && enable $funcs && enable_safe $headers
850 }
851
852 check_cpp_condition(){
853 log check_cpp_condition "$@"
854 header=$1
855 condition=$2
856 shift 2
857 check_cpp "$@" <<EOF
858 #include <$header>
859 #if !($condition)
860 #error "unsatisfied condition: $condition"
861 #endif
862 EOF
863 }
864
865 check_lib(){
866 log check_lib "$@"
867 header="$1"
868 func="$2"
869 shift 2
870 check_header $header && check_func $func "$@" && add_extralibs "$@"
871 }
872
873 check_lib2(){
874 log check_lib2 "$@"
875 headers="$1"
876 funcs="$2"
877 shift 2
878 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
879 }
880
881 check_pkg_config(){
882 log check_pkg_config "$@"
883 pkg="$1"
884 headers="$2"
885 funcs="$3"
886 shift 3
887 $pkg_config --exists $pkg || return
888 pkg_cflags=$($pkg_config --cflags $pkg)
889 pkg_libs=$($pkg_config --libs $pkg)
890 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
891 set_safe ${pkg}_cflags $pkg_cflags &&
892 set_safe ${pkg}_libs $pkg_libs
893 }
894
895 check_exec(){
896 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
897 }
898
899 check_exec_crash(){
900 code=$(cat)
901
902 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
903 # are safe but may not be available everywhere. Thus we use
904 # raise(SIGTERM) instead. The check is run in a subshell so we
905 # can redirect the "Terminated" message from the shell. SIGBUS
906 # is not defined by standard C so it is used conditionally.
907
908 (check_exec "$@") >> $logfile 2>&1 <<EOF
909 #include <signal.h>
910 static void sighandler(int sig){
911 raise(SIGTERM);
912 }
913 int foo(void){
914 $code
915 }
916 int (*func_ptr)(void) = foo;
917 int main(void){
918 signal(SIGILL, sighandler);
919 signal(SIGFPE, sighandler);
920 signal(SIGSEGV, sighandler);
921 #ifdef SIGBUS
922 signal(SIGBUS, sighandler);
923 #endif
924 return func_ptr();
925 }
926 EOF
927 }
928
929 check_type(){
930 log check_type "$@"
931 headers=$1
932 type=$2
933 shift 2
934 disable_safe "$type"
935 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
936 }
937
938 check_struct(){
939 log check_struct "$@"
940 headers=$1
941 struct=$2
942 member=$3
943 shift 3
944 disable_safe "${struct}_${member}"
945 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
946 enable_safe "${struct}_${member}"
947 }
948
949 check_builtin(){
950 log check_builtin "$@"
951 name=$1
952 headers=$2
953 builtin=$3
954 shift 3
955 disable "$name"
956 check_code ld "$headers" "$builtin" "$@" && enable "$name"
957 }
958
959 require(){
960 name="$1"
961 header="$2"
962 func="$3"
963 shift 3
964 check_lib $header $func "$@" || die "ERROR: $name not found"
965 }
966
967 require2(){
968 name="$1"
969 headers="$2"
970 func="$3"
971 shift 3
972 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
973 }
974
975 require_pkg_config(){
976 pkg="$1"
977 check_pkg_config "$@" || die "ERROR: $pkg not found"
978 add_cflags $(get_safe ${pkg}_cflags)
979 add_extralibs $(get_safe ${pkg}_libs)
980 }
981
982 hostcc_o(){
983 eval printf '%s\\n' $HOSTCC_O
984 }
985
986 check_host_cc(){
987 log check_host_cc "$@"
988 cat > $TMPC
989 log_file $TMPC
990 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
991 }
992
993 check_host_cppflags(){
994 log check_host_cppflags "$@"
995 check_host_cc "$@" <<EOF && append host_cppflags "$@"
996 int x;
997 EOF
998 }
999
1000 check_host_cflags(){
1001 log check_host_cflags "$@"
1002 set -- $($host_cflags_filter "$@")
1003 check_host_cc "$@" <<EOF && append host_cflags "$@"
1004 int x;
1005 EOF
1006 }
1007
1008 apply(){
1009 file=$1
1010 shift
1011 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1012 }
1013
1014 cp_if_changed(){
1015 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1016 mkdir -p "$(dirname $2)"
1017 $cp_f "$1" "$2"
1018 }
1019
1020 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1021 # system-dependent things.
1022
1023 COMPONENT_LIST="
1024 bsfs
1025 decoders
1026 demuxers
1027 encoders
1028 filters
1029 hwaccels
1030 indevs
1031 muxers
1032 outdevs
1033 parsers
1034 protocols
1035 "
1036
1037 EXTERNAL_LIBRARY_LIST="
1038 avisynth
1039 bzlib
1040 frei0r
1041 gnutls
1042 libcdio
1043 libdc1394
1044 libfaac
1045 libfdk_aac
1046 libfreetype
1047 libgsm
1048 libilbc
1049 libmp3lame
1050 libopencore_amrnb
1051 libopencore_amrwb
1052 libopencv
1053 libopenjpeg
1054 libopus
1055 libpulse
1056 librtmp
1057 libschroedinger
1058 libspeex
1059 libtheora
1060 libvo_aacenc
1061 libvo_amrwbenc
1062 libvorbis
1063 libvpx
1064 libwavpack
1065 libx264
1066 libxavs
1067 libxvid
1068 openssl
1069 x11grab
1070 zlib
1071 "
1072
1073 HWACCEL_LIST="
1074 dxva2
1075 vaapi
1076 vda
1077 vdpau
1078 "
1079 LIBRARY_LIST="
1080 avcodec
1081 avdevice
1082 avfilter
1083 avformat
1084 avresample
1085 avutil
1086 swscale
1087 "
1088
1089 PROGRAM_LIST="
1090 avconv
1091 avplay
1092 avprobe
1093 avserver
1094 "
1095
1096 CONFIG_LIST="
1097 $COMPONENT_LIST
1098 $EXTERNAL_LIBRARY_LIST
1099 $HWACCEL_LIST
1100 $LIBRARY_LIST
1101 $PROGRAM_LIST
1102 dct
1103 doc
1104 error_resilience
1105 fft
1106 gpl
1107 gray
1108 hardcoded_tables
1109 lsp
1110 lzo
1111 mdct
1112 memalign_hack
1113 network
1114 nonfree
1115 pic
1116 rdft
1117 runtime_cpudetect
1118 safe_bitstream_reader
1119 shared
1120 small
1121 sram
1122 static
1123 swscale_alpha
1124 thumb
1125 version3
1126 xmm_clobber_test
1127 "
1128
1129 THREADS_LIST='
1130 pthreads
1131 w32threads
1132 '
1133
1134 ATOMICS_LIST='
1135 atomics_gcc
1136 atomics_suncc
1137 atomics_win32
1138 '
1139
1140 ARCH_LIST='
1141 aarch64
1142 alpha
1143 arm
1144 avr32
1145 avr32_ap
1146 avr32_uc
1147 bfin
1148 ia64
1149 m68k
1150 mips
1151 mips64
1152 parisc
1153 ppc
1154 ppc64
1155 s390
1156 sh4
1157 sparc
1158 sparc64
1159 tilegx
1160 tilepro
1161 tomi
1162 x86
1163 x86_32
1164 x86_64
1165 '
1166
1167 ARCH_EXT_LIST_ARM='
1168 armv5te
1169 armv6
1170 armv6t2
1171 neon
1172 vfp
1173 vfpv3
1174 '
1175
1176 ARCH_EXT_LIST_X86='
1177 amd3dnow
1178 amd3dnowext
1179 avx
1180 fma4
1181 mmx
1182 mmxext
1183 sse
1184 sse2
1185 sse3
1186 sse4
1187 sse42
1188 ssse3
1189 '
1190
1191 ARCH_EXT_LIST="
1192 $ARCH_EXT_LIST_ARM
1193 $ARCH_EXT_LIST_X86
1194 altivec
1195 ppc4xx
1196 vis
1197 "
1198
1199 HAVE_LIST_CMDLINE='
1200 inline_asm
1201 symver
1202 yasm
1203 '
1204
1205 HAVE_LIST_PUB='
1206 bigendian
1207 fast_unaligned
1208 '
1209
1210 MATH_FUNCS="
1211 atanf
1212 atan2f
1213 cbrtf
1214 cosf
1215 exp2
1216 exp2f
1217 expf
1218 isinf
1219 isnan
1220 ldexpf
1221 llrint
1222 llrintf
1223 log2
1224 log2f
1225 log10f
1226 lrint
1227 lrintf
1228 powf
1229 rint
1230 round
1231 roundf
1232 sinf
1233 trunc
1234 truncf
1235 "
1236
1237 HAVE_LIST="
1238 $ARCH_EXT_LIST
1239 $(add_suffix _external $ARCH_EXT_LIST)
1240 $(add_suffix _inline $ARCH_EXT_LIST)
1241 $HAVE_LIST_CMDLINE
1242 $HAVE_LIST_PUB
1243 $THREADS_LIST
1244 $ATOMICS_LIST
1245 $MATH_FUNCS
1246 aligned_malloc
1247 aligned_stack
1248 alsa_asoundlib_h
1249 altivec_h
1250 arpa_inet_h
1251 asm_mod_q
1252 asm_mod_y
1253 atomic_cas_ptr
1254 atomics_native
1255 attribute_may_alias
1256 attribute_packed
1257 cdio_paranoia_h
1258 cdio_paranoia_paranoia_h
1259 closesocket
1260 CommandLineToArgvW
1261 cpunop
1262 CryptGenRandom
1263 dcbzl
1264 dev_bktr_ioctl_bt848_h
1265 dev_bktr_ioctl_meteor_h
1266 dev_ic_bt8xx_h
1267 dev_video_bktr_ioctl_bt848_h
1268 dev_video_meteor_ioctl_meteor_h
1269 direct_h
1270 dlfcn_h
1271 dlopen
1272 dos_paths
1273 dxva_h
1274 ebp_available
1275 ebx_available
1276 fast_64bit
1277 fast_clz
1278 fast_cmov
1279 fcntl
1280 fork
1281 getaddrinfo
1282 gethrtime
1283 getopt
1284 GetProcessAffinityMask
1285 GetProcessMemoryInfo
1286 GetProcessTimes
1287 GetSystemTimeAsFileTime
1288 getrusage
1289 getservbyport
1290 gettimeofday
1291 gnu_as
1292 gsm_h
1293 i686
1294 ibm_asm
1295 inet_aton
1296 io_h
1297 inline_asm_labels
1298 isatty
1299 jack_port_get_latency_range
1300 ldbrx
1301 libdc1394_1
1302 libdc1394_2
1303 local_aligned_16
1304 local_aligned_8
1305 localtime_r
1306 loongson
1307 machine_ioctl_bt848_h
1308 machine_ioctl_meteor_h
1309 machine_rw_barrier
1310 malloc_h
1311 MapViewOfFile
1312 memalign
1313 MemoryBarrier
1314 mkstemp
1315 mm_empty
1316 mmap
1317 mprotect
1318 msvcrt
1319 nanosleep
1320 poll_h
1321 posix_memalign
1322 pragma_deprecated
1323 rdtsc
1324 sched_getaffinity
1325 sdl
1326 SetConsoleTextAttribute
1327 setmode
1328 setrlimit
1329 Sleep
1330 sndio_h
1331 socklen_t
1332 soundcard_h
1333 strerror_r
1334 strptime
1335 strtok_r
1336 struct_addrinfo
1337 struct_group_source_req
1338 struct_ip_mreq_source
1339 struct_ipv6_mreq
1340 struct_pollfd
1341 struct_rusage_ru_maxrss
1342 struct_sockaddr_in6
1343 struct_sockaddr_sa_len
1344 struct_sockaddr_storage
1345 struct_v4l2_frmivalenum_discrete
1346 symver_asm_label
1347 symver_gnu_asm
1348 sync_val_compare_and_swap
1349 sysconf
1350 sysctl
1351 sys_mman_h
1352 sys_param_h
1353 sys_resource_h
1354 sys_select_h
1355 sys_soundcard_h
1356 sys_time_h
1357 sys_un_h
1358 sys_videoio_h
1359 threads
1360 unistd_h
1361 usleep
1362 vfp_args
1363 VirtualAlloc
1364 windows_h
1365 winsock2_h
1366 xform_asm
1367 xmm_clobbers
1368 "
1369
1370 # options emitted with CONFIG_ prefix but not available on the command line
1371 CONFIG_EXTRA="
1372 aandcttables
1373 ac3dsp
1374 audio_frame_queue
1375 dsputil
1376 gcrypt
1377 golomb
1378 gplv3
1379 h264chroma
1380 h264dsp
1381 h264pred
1382 h264qpel
1383 hpeldsp
1384 huffman
1385 lgplv3
1386 lpc
1387 mpegaudio
1388 mpegaudiodsp
1389 mpegvideo
1390 mpegvideoenc
1391 nettle
1392 rangecoder
1393 riffenc
1394 rtpdec
1395 rtpenc_chain
1396 sinewin
1397 videodsp
1398 vp3dsp
1399 "
1400
1401 CMDLINE_SELECT="
1402 $ARCH_EXT_LIST
1403 $CONFIG_LIST
1404 $HAVE_LIST_CMDLINE
1405 $THREADS_LIST
1406 asm
1407 cross_compile
1408 debug
1409 extra_warnings
1410 logging
1411 lto
1412 optimizations
1413 "
1414
1415 PATHS_LIST='
1416 bindir
1417 datadir
1418 incdir
1419 libdir
1420 mandir
1421 prefix
1422 shlibdir
1423 '
1424
1425 CMDLINE_SET="
1426 $PATHS_LIST
1427 ar
1428 arch
1429 as
1430 build_suffix
1431 cc
1432 cpu
1433 cross_prefix
1434 dep_cc
1435 extra_version
1436 host_cc
1437 host_cflags
1438 host_ld
1439 host_ldflags
1440 host_libs
1441 host_os
1442 ld
1443 logfile
1444 malloc_prefix
1445 nm
1446 optflags
1447 pkg_config
1448 random_seed
1449 samples
1450 sysinclude
1451 sysroot
1452 target_exec
1453 target_os
1454 target_path
1455 target_samples
1456 toolchain
1457 "
1458
1459 CMDLINE_APPEND="
1460 extra_cflags
1461 host_cppflags
1462 "
1463
1464 # code dependency declarations
1465
1466 # architecture extensions
1467
1468 armv5te_deps="arm"
1469 armv6_deps="arm"
1470 armv6t2_deps="arm"
1471 neon_deps="arm"
1472 vfp_deps="arm"
1473 vfpv3_deps="vfp"
1474
1475 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1476
1477 altivec_deps="ppc"
1478 ppc4xx_deps="ppc"
1479
1480 vis_deps="sparc"
1481
1482 x86_64_suggest="fast_cmov i686"
1483
1484 amd3dnow_deps="mmx"
1485 amd3dnowext_deps="amd3dnow"
1486 mmx_deps="x86"
1487 mmxext_deps="mmx"
1488 sse_deps="mmxext"
1489 sse2_deps="sse"
1490 sse3_deps="sse2"
1491 ssse3_deps="sse3"
1492 sse4_deps="ssse3"
1493 sse42_deps="sse4"
1494 avx_deps="sse42"
1495 fma4_deps="avx"
1496
1497 mmx_external_deps="yasm"
1498 mmx_inline_deps="inline_asm"
1499 mmx_suggest="mmx_external mmx_inline"
1500
1501 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1502 eval dep=\$${ext}_deps
1503 eval ${ext}_external_deps='"${dep}_external"'
1504 eval ${ext}_inline_deps='"${dep}_inline"'
1505 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1506 done
1507
1508 aligned_stack_if_any="ppc x86"
1509 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1510 fast_clz_if_any="alpha avr32 mips ppc x86"
1511 fast_unaligned_if_any="ppc x86"
1512
1513 inline_asm_deps="!tms470"
1514 need_memalign="altivec neon sse"
1515
1516 symver_if_any="symver_asm_label symver_gnu_asm"
1517
1518 log2_deps="!msvcrt"
1519
1520 # subsystems
1521 dct_select="rdft"
1522 error_resilience_select="dsputil"
1523 lpc_select="dsputil"
1524 mdct_select="fft"
1525 rdft_select="fft"
1526 mpegaudio_select="mpegaudiodsp"
1527 mpegaudiodsp_select="dct"
1528 mpegvideo_select="dsputil hpeldsp videodsp"
1529 mpegvideoenc_select="mpegvideo"
1530
1531 # decoders / encoders
1532 aac_decoder_select="mdct sinewin"
1533 aac_encoder_select="audio_frame_queue mdct sinewin"
1534 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1535 ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
1536 ac3_encoder_select="mdct ac3dsp dsputil"
1537 ac3_fixed_encoder_select="mdct ac3dsp dsputil"
1538 aic_decoder_select="dsputil golomb"
1539 alac_encoder_select="lpc"
1540 als_decoder_select="dsputil"
1541 amrnb_decoder_select="lsp"
1542 amrwb_decoder_select="lsp"
1543 amv_decoder_select="dsputil hpeldsp"
1544 ape_decoder_select="dsputil"
1545 asv1_decoder_select="dsputil"
1546 asv1_encoder_select="dsputil"
1547 asv2_decoder_select="dsputil"
1548 asv2_encoder_select="dsputil"
1549 atrac1_decoder_select="mdct sinewin"
1550 atrac3_decoder_select="mdct"
1551 bink_decoder_select="dsputil hpeldsp"
1552 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1553 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1554 cavs_decoder_select="dsputil golomb h264chroma videodsp"
1555 cllc_decoder_select="dsputil"
1556 comfortnoise_encoder_select="lpc"
1557 cook_decoder_select="dsputil mdct sinewin"
1558 cscd_decoder_select="lzo"
1559 cscd_decoder_suggest="zlib"
1560 dca_decoder_select="mdct"
1561 dnxhd_decoder_select="dsputil"
1562 dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
1563 dvvideo_decoder_select="dsputil"
1564 dvvideo_encoder_select="dsputil"
1565 dxa_decoder_select="zlib"
1566 eac3_decoder_select="ac3_decoder"
1567 eac3_encoder_select="ac3_encoder"
1568 eamad_decoder_select="aandcttables dsputil mpegvideo"
1569 eatgq_decoder_select="aandcttables dsputil"
1570 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1571 ffv1_decoder_select="dsputil golomb rangecoder"
1572 ffv1_encoder_select="dsputil rangecoder"
1573 ffvhuff_decoder_select="dsputil"
1574 ffvhuff_encoder_select="dsputil huffman"
1575 flac_decoder_select="golomb"
1576 flac_encoder_select="dsputil golomb lpc"
1577 flashsv_decoder_select="zlib"
1578 flashsv_encoder_select="zlib"
1579 flashsv2_decoder_select="zlib"
1580 flv_decoder_select="h263_decoder"
1581 flv_encoder_select="h263_encoder"
1582 fourxm_decoder_select="dsputil"
1583 fraps_decoder_select="dsputil huffman"
1584 g2m_decoder_select="dsputil zlib"
1585 h261_decoder_select="error_resilience mpegvideo"
1586 h261_encoder_select="aandcttables mpegvideoenc"
1587 h263_decoder_select="error_resilience h263_parser mpegvideo"
1588 h263_encoder_select="aandcttables mpegvideoenc"
1589 h263i_decoder_select="h263_decoder"
1590 h263p_encoder_select="h263_encoder"
1591 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1592 h264_decoder_suggest="error_resilience"
1593 huffyuv_decoder_select="dsputil"
1594 huffyuv_encoder_select="dsputil huffman"
1595 iac_decoder_select="dsputil fft mdct sinewin"
1596 imc_decoder_select="dsputil fft mdct sinewin"
1597 indeo3_decoder_select="hpeldsp"
1598 interplay_video_decoder_select="hpeldsp"
1599 jpegls_decoder_select="dsputil golomb hpeldsp"
1600 jpegls_encoder_select="golomb"
1601 jv_decoder_select="dsputil"
1602 lagarith_decoder_select="dsputil"
1603 ljpeg_encoder_select="aandcttables mpegvideoenc"
1604 loco_decoder_select="golomb"
1605 mdec_decoder_select="dsputil error_resilience mpegvideo"
1606 mimic_decoder_select="dsputil hpeldsp"
1607 mjpeg_decoder_select="dsputil hpeldsp"
1608 mjpegb_decoder_select="dsputil hpeldsp"
1609 mjpeg_encoder_select="aandcttables dsputil mpegvideoenc"
1610 mlp_decoder_select="dsputil mlp_parser"
1611 motionpixels_decoder_select="dsputil"
1612 mp1_decoder_select="mpegaudio"
1613 mp1float_decoder_select="mpegaudio"
1614 mp2_decoder_select="mpegaudio"
1615 mp2float_decoder_select="mpegaudio"
1616 mp3_decoder_select="mpegaudio"
1617 mp3adu_decoder_select="mpegaudio"
1618 mp3adufloat_decoder_select="mpegaudio"
1619 mp3float_decoder_select="mpegaudio"
1620 mp3on4_decoder_select="mpegaudio"
1621 mp3on4float_decoder_select="mpegaudio"
1622 mpc7_decoder_select="dsputil mpegaudiodsp"
1623 mpc8_decoder_select="dsputil mpegaudiodsp"
1624 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1625 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1626 mpeg1video_decoder_select="error_resilience mpegvideo"
1627 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1628 mpeg2video_decoder_select="error_resilience mpegvideo"
1629 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1630 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1631 mpeg4_encoder_select="h263_encoder"
1632 msmpeg4v1_decoder_select="h263_decoder"
1633 msmpeg4v2_decoder_select="h263_decoder"
1634 msmpeg4v2_encoder_select="h263_encoder"
1635 msmpeg4v3_decoder_select="h263_decoder"
1636 msmpeg4v3_encoder_select="h263_encoder"
1637 mss2_decoder_select="error_resilience vc1_decoder"
1638 mxpeg_decoder_select="dsputil hpeldsp"
1639 nellymoser_decoder_select="mdct sinewin"
1640 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1641 nuv_decoder_select="dsputil lzo"
1642 png_decoder_select="dsputil zlib"
1643 png_encoder_select="dsputil zlib"
1644 prores_decoder_select="dsputil"
1645 prores_encoder_select="dsputil"
1646 qcelp_decoder_select="lsp"
1647 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1648 ra_144_encoder_select="audio_frame_queue lpc"
1649 ralf_decoder_select="golomb"
1650 rv10_decoder_select="error_resilience h263_decoder"
1651 rv10_encoder_select="h263_encoder"
1652 rv20_decoder_select="error_resilience h263_decoder"
1653 rv20_encoder_select="h263_encoder"
1654 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1655 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1656 shorten_decoder_select="golomb"
1657 sipr_decoder_select="lsp"
1658 sp5x_decoder_select="dsputil hpeldsp"
1659 svq1_decoder_select="hpeldsp"
1660 svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
1661 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel hpeldsp mpegvideo videodsp"
1662 svq3_decoder_suggest="error_resilience zlib"
1663 tak_decoder_select="dsputil"
1664 theora_decoder_select="vp3_decoder"
1665 tiff_decoder_suggest="zlib"
1666 tiff_encoder_suggest="zlib"
1667 thp_decoder_select="dsputil hpeldsp"
1668 truehd_decoder_select="mlp_decoder"
1669 truemotion2_decoder_select="dsputil"
1670 truespeech_decoder_select="dsputil"
1671 tscc_decoder_select="zlib"
1672 twinvq_decoder_select="mdct lsp sinewin"
1673 utvideo_decoder_select="dsputil"
1674 utvideo_encoder_select="dsputil huffman"
1675 vble_decoder_select="dsputil"
1676 vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel"
1677 vc1image_decoder_select="vc1_decoder"
1678 vorbis_decoder_select="mdct"
1679 vorbis_encoder_select="mdct"
1680 vp3_decoder_select="hpeldsp vp3dsp videodsp"
1681 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
1682 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
1683 vp6a_decoder_select="vp6_decoder"
1684 vp6f_decoder_select="vp6_decoder"
1685 vp8_decoder_select="h264pred videodsp"
1686 wmapro_decoder_select="mdct sinewin"
1687 wmav1_decoder_select="mdct sinewin"
1688 wmav1_encoder_select="mdct sinewin"
1689 wmav2_decoder_select="mdct sinewin"
1690 wmav2_encoder_select="mdct sinewin"
1691 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1692 wmv1_decoder_select="h263_decoder"
1693 wmv1_encoder_select="h263_encoder"
1694 wmv2_decoder_select="h263_decoder videodsp"
1695 wmv2_encoder_select="h263_encoder"
1696 wmv3_decoder_select="vc1_decoder"
1697 wmv3image_decoder_select="wmv3_decoder"
1698 zerocodec_decoder_select="zlib"
1699 zlib_decoder_select="zlib"
1700 zlib_encoder_select="zlib"
1701 zmbv_decoder_select="zlib"
1702 zmbv_encoder_select="zlib"
1703
1704 # hardware accelerators
1705 dxva2_deps="dxva2api_h"
1706 vaapi_deps="va_va_h"
1707 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1708 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
1709 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1710
1711 h263_vaapi_hwaccel_deps="vaapi"
1712 h263_vaapi_hwaccel_select="h263_decoder"
1713 h263_vdpau_hwaccel_deps="vdpau"
1714 h263_vdpau_hwaccel_select="h263_decoder"
1715 h264_dxva2_hwaccel_deps="dxva2"
1716 h264_dxva2_hwaccel_select="h264_decoder"
1717 h264_vaapi_hwaccel_deps="vaapi"
1718 h264_vaapi_hwaccel_select="h264_decoder"
1719 h264_vda_hwaccel_deps="vda"
1720 h264_vda_hwaccel_select="h264_decoder"
1721 h264_vdpau_hwaccel_deps="vdpau"
1722 h264_vdpau_hwaccel_select="h264_decoder"
1723 mpeg1_vdpau_hwaccel_deps="vdpau"
1724 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
1725 mpeg2_dxva2_hwaccel_deps="dxva2"
1726 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
1727 mpeg2_vaapi_hwaccel_deps="vaapi"
1728 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
1729 mpeg2_vdpau_hwaccel_deps="vdpau"
1730 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
1731 mpeg4_vaapi_hwaccel_deps="vaapi"
1732 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
1733 mpeg4_vdpau_hwaccel_deps="vdpau"
1734 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
1735 vc1_dxva2_hwaccel_deps="dxva2"
1736 vc1_dxva2_hwaccel_select="vc1_decoder"
1737 vc1_vaapi_hwaccel_deps="vaapi"
1738 vc1_vaapi_hwaccel_select="vc1_decoder"
1739 vc1_vdpau_hwaccel_deps="vdpau"
1740 vc1_vdpau_hwaccel_select="vc1_decoder"
1741 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1742 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1743 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
1744
1745 # parsers
1746 h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1747 mpeg4video_parser_select="error_resilience mpegvideo"
1748 mpegvideo_parser_select="error_resilience mpegvideo"
1749 vc1_parser_select="mpegvideo"
1750
1751 # external libraries
1752 libfaac_encoder_deps="libfaac"
1753 libfaac_encoder_select="audio_frame_queue"
1754 libfdk_aac_encoder_deps="libfdk_aac"
1755 libfdk_aac_encoder_select="audio_frame_queue"
1756 libgsm_decoder_deps="libgsm"
1757 libgsm_encoder_deps="libgsm"
1758 libgsm_ms_decoder_deps="libgsm"
1759 libgsm_ms_encoder_deps="libgsm"
1760 libilbc_decoder_deps="libilbc"
1761 libilbc_encoder_deps="libilbc"
1762 libmp3lame_encoder_deps="libmp3lame"
1763 libmp3lame_encoder_select="audio_frame_queue"
1764 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1765 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1766 libopencore_amrnb_encoder_select="audio_frame_queue"
1767 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1768 libopenjpeg_decoder_deps="libopenjpeg"
1769 libopenjpeg_encoder_deps="libopenjpeg"
1770 libopus_decoder_deps="libopus"
1771 libopus_encoder_deps="libopus"
1772 libopus_encoder_select="audio_frame_queue"
1773 libschroedinger_decoder_deps="libschroedinger"
1774 libschroedinger_encoder_deps="libschroedinger"
1775 libspeex_decoder_deps="libspeex"
1776 libspeex_encoder_deps="libspeex"
1777 libspeex_encoder_select="audio_frame_queue"
1778 libtheora_encoder_deps="libtheora"
1779 libvo_aacenc_encoder_deps="libvo_aacenc"
1780 libvo_aacenc_encoder_select="audio_frame_queue"
1781 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1782 libvorbis_encoder_deps="libvorbis"
1783 libvorbis_encoder_select="audio_frame_queue"
1784 libvpx_vp8_decoder_deps="libvpx"
1785 libvpx_vp8_encoder_deps="libvpx"
1786 libvpx_vp9_decoder_deps="libvpx"
1787 libvpx_vp9_encoder_deps="libvpx"
1788 libwavpack_encoder_deps="libwavpack"
1789 libx264_encoder_deps="libx264"
1790 libxavs_encoder_deps="libxavs"
1791 libxvid_encoder_deps="libxvid"
1792
1793 # demuxers / muxers
1794 ac3_demuxer_select="ac3_parser"
1795 asf_muxer_select="riffenc"
1796 asf_stream_muxer_select="asf_muxer"
1797 avi_muxer_select="riffenc"
1798 avisynth_demuxer_deps="avisynth"
1799 dirac_demuxer_select="dirac_parser"
1800 eac3_demuxer_select="ac3_parser"
1801 flac_demuxer_select="flac_parser"
1802 ipod_muxer_select="mov_muxer"
1803 ismv_muxer_select="mov_muxer"
1804 matroska_audio_muxer_select="matroska_muxer"
1805 matroska_demuxer_suggest="bzlib lzo zlib"
1806 matroska_muxer_select="riffenc"
1807 mmf_muxer_select="riffenc"
1808 mov_demuxer_suggest="zlib"
1809 mov_muxer_select="riffenc rtpenc_chain"
1810 mp3_demuxer_select="mpegaudio_parser"
1811 mp4_muxer_select="mov_muxer"
1812 mpegts_muxer_select="adts_muxer latm_muxer"
1813 mpegtsraw_demuxer_select="mpegts_demuxer"
1814 mxf_d10_muxer_select="mxf_muxer"
1815 nut_muxer_select="riffenc"
1816 ogg_demuxer_select="golomb"
1817 psp_muxer_select="mov_muxer"
1818 rtp_demuxer_select="sdp_demuxer"
1819 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1820 rtsp_demuxer_select="http_protocol rtpdec"
1821 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
1822 sap_demuxer_select="sdp_demuxer"
1823 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
1824 sdp_demuxer_select="rtpdec"
1825 smoothstreaming_muxer_select="ismv_muxer"
1826 spdif_muxer_select="aac_parser"
1827 tak_demuxer_select="tak_parser"
1828 tg2_muxer_select="mov_muxer"
1829 tgp_muxer_select="mov_muxer"
1830 w64_demuxer_deps="wav_demuxer"
1831 wav_muxer_select="riffenc"
1832 webm_muxer_select="riffenc"
1833
1834 # indevs / outdevs
1835 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1836 alsa_outdev_deps="alsa_asoundlib_h"
1837 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1838 dv1394_indev_deps="dv1394 dv_demuxer"
1839 fbdev_indev_deps="linux_fb_h"
1840 jack_indev_deps="jack_jack_h pthreads"
1841 libcdio_indev_deps="libcdio"
1842 libdc1394_indev_deps="libdc1394"
1843 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1844 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1845 pulse_indev_deps="libpulse"
1846 sndio_indev_deps="sndio_h"
1847 sndio_outdev_deps="sndio_h"
1848 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1849 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1850 vfwcap_indev_extralibs="-lavicap32"
1851 x11grab_indev_deps="x11grab XShmCreateImage"
1852
1853 # protocols
1854 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1855 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1856 ffrtmpcrypt_protocol_select="tcp_protocol"
1857 ffrtmphttp_protocol_deps="!librtmp_protocol"
1858 ffrtmphttp_protocol_select="http_protocol"
1859 gopher_protocol_select="network"
1860 httpproxy_protocol_select="tcp_protocol"
1861 http_protocol_select="tcp_protocol"
1862 https_protocol_select="tls_protocol"
1863 librtmp_protocol_deps="librtmp"
1864 librtmpe_protocol_deps="librtmp"
1865 librtmps_protocol_deps="librtmp"
1866 librtmpt_protocol_deps="librtmp"
1867 librtmpte_protocol_deps="librtmp"
1868 mmsh_protocol_select="http_protocol"
1869 mmst_protocol_select="network"
1870 rtmp_protocol_deps="!librtmp_protocol"
1871 rtmp_protocol_select="tcp_protocol"
1872 rtmpe_protocol_select="ffrtmpcrypt_protocol"
1873 rtmps_protocol_deps="!librtmp_protocol"
1874 rtmps_protocol_select="tls_protocol"
1875 rtmpt_protocol_select="ffrtmphttp_protocol"
1876 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
1877 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
1878 rtp_protocol_select="udp_protocol"
1879 sctp_protocol_deps="struct_sctp_event_subscribe"
1880 sctp_protocol_select="network"
1881 srtp_protocol_select="rtp_protocol"
1882 tcp_protocol_select="network"
1883 tls_protocol_deps_any="openssl gnutls"
1884 tls_protocol_select="tcp_protocol"
1885 udp_protocol_select="network"
1886 unix_protocol_deps="sys_un_h"
1887 unix_protocol_select="network"
1888
1889 # filters
1890 blackframe_filter_deps="gpl"
1891 boxblur_filter_deps="gpl"
1892 cropdetect_filter_deps="gpl"
1893 delogo_filter_deps="gpl"
1894 drawtext_filter_deps="libfreetype"
1895 frei0r_filter_deps="frei0r dlopen strtok_r"
1896 frei0r_filter_extralibs='$ldl'
1897 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1898 frei0r_src_filter_extralibs='$ldl'
1899 hqdn3d_filter_deps="gpl"
1900 interlace_filter_deps="gpl"
1901 resample_filter_deps="avresample"
1902 ocv_filter_deps="libopencv"
1903 scale_filter_deps="swscale"
1904 yadif_filter_deps="gpl"
1905
1906 # libraries
1907 avcodec_deps="avutil"
1908 avdevice_deps="avutil avcodec avformat"
1909 avfilter_deps="avutil"
1910 avformat_deps="avutil avcodec"
1911 avresample_deps="avutil"
1912 swscale_deps="avutil"
1913
1914 # programs
1915 avconv_deps="avcodec avfilter avformat avresample swscale"
1916 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
1917 fps_filter null_filter resample_filter scale_filter
1918 setpts_filter trim_filter"
1919 avplay_deps="avcodec avformat avresample swscale sdl"
1920 avplay_select="rdft"
1921 avprobe_deps="avcodec avformat"
1922 avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
1923 avserver_extralibs='$ldl'
1924
1925 doc_deps="texi2html"
1926
1927 # default parameters
1928
1929 logfile="config.log"
1930
1931 # installation paths
1932 prefix_default="/usr/local"
1933 bindir_default='${prefix}/bin'
1934 datadir_default='${prefix}/share/avconv'
1935 incdir_default='${prefix}/include'
1936 libdir_default='${prefix}/lib'
1937 mandir_default='${prefix}/share/man'
1938 shlibdir_default="$libdir_default"
1939
1940 # toolchain
1941 ar_default="ar"
1942 cc_default="gcc"
1943 host_cc_default="gcc"
1944 cp_f="cp -f"
1945 ln_s="ln -s -f"
1946 nm_default="nm -g"
1947 objformat="elf"
1948 pkg_config_default=pkg-config
1949 ranlib="ranlib"
1950 yasmexe="yasm"
1951
1952 nogas=":"
1953
1954 # machine
1955 arch_default=$(uname -m)
1956 cpu="generic"
1957
1958 # OS
1959 target_os_default=$(tolower $(uname -s))
1960 host_os=$target_os_default
1961
1962 # configurable options
1963 enable $LIBRARY_LIST $PROGRAM_LIST
1964
1965 enable asm
1966 enable debug
1967 enable doc
1968 enable optimizations
1969 enable safe_bitstream_reader
1970 enable static
1971 enable swscale_alpha
1972
1973 # By default, enable only those hwaccels that have no external dependencies.
1974 enable dxva2 vdpau
1975
1976 # build settings
1977 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1978 LIBPREF="lib"
1979 LIBSUF=".a"
1980 FULLNAME='$(NAME)$(BUILDSUF)'
1981 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1982 SLIBPREF="lib"
1983 SLIBSUF=".so"
1984 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1985 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1986 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1987 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1988 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1989 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1990
1991 asflags_filter=echo
1992 cflags_filter=echo
1993 ldflags_filter=echo
1994
1995 AS_C='-c'
1996 AS_O='-o $@'
1997 CC_C='-c'
1998 CC_E='-E -o $@'
1999 CC_O='-o $@'
2000 LD_O='-o $@'
2001 LD_LIB='-l%'
2002 LD_PATH='-L'
2003 HOSTCC_C='-c'
2004 HOSTCC_O='-o $@'
2005 HOSTLD_O='-o $@'
2006
2007 host_cflags='-O3 -g'
2008 host_cppflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600'
2009 host_libs='-lm'
2010 host_cflags_filter=echo
2011 host_ldflags_filter=echo
2012
2013 target_path='$(CURDIR)'
2014
2015 # since the object filename is not given with the -MM flag, the compiler
2016 # is only able to print the basename, and we must add the path ourselves
2017 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2018 DEPFLAGS='-MM'
2019
2020 # find source path
2021 if test -f configure; then
2022 source_path=.
2023 else
2024 source_path=$(cd $(dirname "$0"); pwd)
2025 echo "$source_path" | grep -q '[[:blank:]]' &&
2026 die "Out of tree builds are impossible with whitespace in source path."
2027 test -e "$source_path/config.h" &&
2028 die "Out of tree builds are impossible with config.h in source dir."
2029 fi
2030
2031 for v in "$@"; do
2032 r=${v#*=}
2033 l=${v%"$r"}
2034 r=$(sh_quote "$r")
2035 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2036 done
2037
2038 find_things(){
2039 thing=$1
2040 pattern=$2
2041 file=$source_path/$3
2042 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2043 }
2044
2045 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2046 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2047 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2048 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2049 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2050 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2051 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2052 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2053 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2054 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2055 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2056
2057 ALL_COMPONENTS="
2058 $BSF_LIST
2059 $DECODER_LIST
2060 $DEMUXER_LIST
2061 $ENCODER_LIST
2062 $FILTER_LIST
2063 $HWACCEL_LIST
2064 $INDEV_LIST
2065 $MUXER_LIST
2066 $OUTDEV_LIST
2067 $PARSER_LIST
2068 $PROTOCOL_LIST
2069 "
2070
2071 for n in $COMPONENT_LIST; do
2072 v=$(toupper ${n%s})_LIST
2073 eval enable \$$v
2074 eval ${n}_if_any="\$$v"
2075 done
2076
2077 enable $ARCH_EXT_LIST
2078
2079 die_unknown(){
2080 echo "Unknown option \"$1\"."
2081 echo "See $0 --help for available options."
2082 exit 1
2083 }
2084
2085 print_3_columns() {
2086 cat | tr ' ' '\n' | sort | pr -r -3 -t
2087 }
2088
2089 show_list() {
2090 suffix=_$1
2091 shift
2092 echo $* | sed s/$suffix//g | print_3_columns
2093 exit 0
2094 }
2095
2096 rand_list(){
2097 IFS=', '
2098 set -- $*
2099 unset IFS
2100 for thing; do
2101 comp=${thing%:*}
2102 prob=${thing#$comp}
2103 prob=${prob#:}
2104 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2105 echo "prob ${prob:-0.5}"
2106 printf '%s\n' $comp
2107 done
2108 }
2109
2110 do_random(){
2111 action=$1
2112 shift
2113 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2114 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2115 }
2116
2117 for opt do
2118 optval="${opt#*=}"
2119 case "$opt" in
2120 --extra-ldflags=*)
2121 add_ldflags $optval
2122 ;;
2123 --extra-libs=*)
2124 add_extralibs $optval
2125 ;;
2126 --disable-devices)
2127 disable $INDEV_LIST $OUTDEV_LIST
2128 ;;
2129 --enable-debug=*)
2130 debuglevel="$optval"
2131 ;;
2132 --disable-programs)
2133 disable $PROGRAM_LIST
2134 ;;
2135 --disable-everything)
2136 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2137 ;;
2138 --disable-all)
2139 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2140 disable $LIBRARY_LIST $PROGRAM_LIST doc
2141 ;;
2142 --enable-random|--disable-random)
2143 action=${opt%%-random}
2144 do_random ${action#--} $COMPONENT_LIST
2145 ;;
2146 --enable-random=*|--disable-random=*)
2147 action=${opt%%-random=*}
2148 do_random ${action#--} $optval
2149 ;;
2150 --enable-*=*|--disable-*=*)
2151 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2152 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2153 eval list=\$$(toupper $thing)_LIST
2154 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2155 $action $(filter "$name" $list)
2156 ;;
2157 --enable-?*|--disable-?*)
2158 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2159 if is_in $option $COMPONENT_LIST; then
2160 test $action = disable && action=unset
2161 eval $action \$$(toupper ${option%s})_LIST
2162 elif is_in $option $CMDLINE_SELECT; then
2163 $action $option
2164 else
2165 die_unknown $opt
2166 fi
2167 ;;
2168 --list-*)
2169 NAME="${opt#--list-}"
2170 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2171 NAME=${NAME%s}
2172 eval show_list $NAME \$$(toupper $NAME)_LIST
2173 ;;
2174 --help|-h) show_help
2175 ;;
2176 *)
2177 optname="${opt%%=*}"
2178 optname="${optname#--}"
2179 optname=$(echo "$optname" | sed 's/-/_/g')
2180 if is_in $optname $CMDLINE_SET; then
2181 eval $optname='$optval'
2182 elif is_in $optname $CMDLINE_APPEND; then
2183 append $optname "$optval"
2184 else
2185 die_unknown $opt
2186 fi
2187 ;;
2188 esac
2189 done
2190
2191 disabled logging && logfile=/dev/null
2192
2193 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2194 set >> $logfile
2195
2196 test -n "$cross_prefix" && enable cross_compile
2197
2198 if enabled cross_compile; then
2199 test -n "$arch" && test -n "$target_os" ||
2200 die "Must specify target arch and OS when cross-compiling"
2201 fi
2202
2203 ar_default="${cross_prefix}${ar_default}"
2204 cc_default="${cross_prefix}${cc_default}"
2205 nm_default="${cross_prefix}${nm_default}"
2206 pkg_config_default="${cross_prefix}${pkg_config_default}"
2207 ranlib="${cross_prefix}${ranlib}"
2208
2209 sysinclude_default="${sysroot}/usr/include"
2210
2211 case "$toolchain" in
2212 clang-asan)
2213 cc_default="clang"
2214 add_cflags -fsanitize=address
2215 add_ldflags -fsanitize=address
2216 ;;
2217 clang-tsan)
2218 cc_default="clang"
2219 add_cflags -fsanitize=thread -pie
2220 add_ldflags -fsanitize=thread -pie
2221 ;;
2222 gcc-asan)
2223 cc_default="gcc"
2224 add_cflags -fsanitize=address
2225 add_ldflags -fsanitize=address
2226 ;;
2227 gcc-tsan)
2228 cc_default="gcc"
2229 add_cflags -fsanitize=thread -pie -fPIC
2230 add_ldflags -fsanitize=thread -pie -fPIC
2231 ;;
2232 valgrind-massif)
2233 target_exec_default="valgrind"
2234 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2235 ;;
2236 valgrind-memcheck)
2237 target_exec_default="valgrind"
2238 target_exec_args="--track-origins=yes --leak-check=full"
2239 ;;
2240 msvc)
2241 cc_default="c99wrap cl"
2242 ld_default="c99wrap link"
2243 nm_default="dumpbin -symbols"
2244 ar_default="lib"
2245 target_os_default="win32"
2246 ;;
2247 icl)
2248 cc_default="c99wrap -noconv icl"
2249 ld_default="c99wrap xilink"
2250 nm_default="dumpbin -symbols"
2251 ar_default="xilib"
2252 target_os_default="win32"
2253 ;;
2254 gcov)
2255 add_cflags -fprofile-arcs -ftest-coverage
2256 add_ldflags -fprofile-arcs -ftest-coverage
2257 ;;
2258 ?*)
2259 die "Unknown toolchain $toolchain"
2260 ;;
2261 esac
2262
2263 set_default arch cc pkg_config sysinclude target_exec target_os
2264 enabled cross_compile || host_cc_default=$cc
2265 set_default host_cc
2266
2267 if ! $pkg_config --version >/dev/null 2>&1; then
2268 warn "$pkg_config not found, library detection may fail."
2269 pkg_config=false
2270 fi
2271
2272 exesuf() {
2273 case $1 in
2274 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2275 esac
2276 }
2277
2278 EXESUF=$(exesuf $target_os)
2279 HOSTEXESUF=$(exesuf $host_os)
2280
2281 # set temporary file name
2282 : ${TMPDIR:=$TEMPDIR}
2283 : ${TMPDIR:=$TMP}
2284 : ${TMPDIR:=/tmp}
2285
2286 if ! check_cmd mktemp -u XXXXXX; then
2287 # simple replacement for missing mktemp
2288 # NOT SAFE FOR GENERAL USE
2289 mktemp(){
2290 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2291 }
2292 fi
2293
2294 tmpfile(){
2295 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2296 (set -C; exec > $tmp) 2>/dev/null ||
2297 die "Unable to create temporary file in $TMPDIR."
2298 append TMPFILES $tmp
2299 eval $1=$tmp
2300 }
2301
2302 trap 'rm -f -- $TMPFILES' EXIT
2303
2304 tmpfile TMPASM .asm
2305 tmpfile TMPC .c
2306 tmpfile TMPE $EXESUF
2307 tmpfile TMPH .h
2308 tmpfile TMPO .o
2309 tmpfile TMPS .S
2310 tmpfile TMPSH .sh
2311 tmpfile TMPV .ver
2312
2313 unset -f mktemp
2314
2315 chmod +x $TMPE
2316
2317 # make sure we can execute files in $TMPDIR
2318 cat > $TMPSH 2>> $logfile <<EOF
2319 #! /bin/sh
2320 EOF
2321 chmod +x $TMPSH >> $logfile 2>&1
2322 if ! $TMPSH >> $logfile 2>&1; then
2323 cat <<EOF
2324 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2325 variable to another directory and make sure that it is not mounted noexec.
2326 EOF
2327 die "Sanity test failed."
2328 fi
2329
2330 ccc_flags(){
2331 for flag; do
2332 case $flag in
2333 -std=c99) echo -c99 ;;
2334 -mcpu=*) echo -arch ${flag#*=} ;;
2335 -mieee) echo -ieee ;;
2336 -O*|-fast) echo $flag ;;
2337 -fno-math-errno) echo -assume nomath_errno ;;
2338 -g) echo -g3 ;;
2339 -Wall) echo -msg_enable level2 ;;
2340 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2341 -Wl,*) echo $flag ;;
2342 -f*|-W*) ;;
2343 *) echo $flag ;;
2344 esac
2345 done
2346 }
2347
2348 msvc_common_flags(){
2349 for flag; do
2350 case $flag in
2351 # In addition to specifying certain flags under the compiler
2352 # specific filters, they must be specified here as well or else the
2353 # generic catch all at the bottom will print the original flag.
2354 -Wall) ;;
2355 -std=c99) ;;
2356 # Common flags
2357 -fomit-frame-pointer) ;;
2358 -g) echo -Z7 ;;
2359 -fno-math-errno) ;;
2360 -fno-common) ;;
2361 -fno-signed-zeros) ;;
2362 -fPIC) ;;
2363 -mthumb) ;;
2364 -march=*) ;;
2365 -lz) echo zlib.lib ;;
2366 -lavifil32) echo vfw32.lib ;;
2367 -lavicap32) echo vfw32.lib user32.lib ;;
2368 -l*) echo ${flag#-l}.lib ;;
2369 *) echo $flag ;;
2370 esac
2371 done
2372 }
2373
2374 msvc_flags(){
2375 msvc_common_flags "$@"
2376 for flag; do
2377 case $flag in
2378 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2379 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2380 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2381 -wd4996 -wd4273 ;;
2382 esac
2383 done
2384 }
2385
2386 icl_flags(){
2387 msvc_common_flags "$@"
2388 for flag; do
2389 case $flag in
2390 # Despite what Intel's documentation says -Wall, which is supported
2391 # on Windows, does enable remarks so disable them here.
2392 -Wall) echo $flag -Qdiag-disable:remark ;;
2393 -std=c99) echo -Qstd=c99 ;;
2394 esac
2395 done
2396 }
2397
2398 pgi_flags(){
2399 for flag; do
2400 case $flag in
2401 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2402 -fomit-frame-pointer) echo -Mnoframe ;;
2403 -g) echo -gopt ;;
2404 *) echo $flag ;;
2405 esac
2406 done
2407 }
2408
2409 suncc_flags(){
2410 for flag; do
2411 case $flag in
2412 -march=*|-mcpu=*)
2413 case "${flag#*=}" in
2414 native) echo -xtarget=native ;;
2415 v9|niagara) echo -xarch=sparc ;;
2416 ultrasparc) echo -xarch=sparcvis ;;
2417 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2418 i586|pentium) echo -xchip=pentium ;;
2419 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2420 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2421 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2422 pentium4*) echo -xtarget=pentium4 ;;
2423 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2424 *-sse3) echo -xarch=sse3 ;;
2425 core2) echo -xarch=ssse3 -xchip=core2 ;;
2426 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2427 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2428 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
2429 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2430 k8|opteron|athlon64|athlon-fx)
2431 echo -xarch=sse2a ;;
2432 athlon*) echo -xarch=pentium_proa ;;
2433 esac
2434 ;;
2435 -std=c99) echo -xc99 ;;
2436 -fomit-frame-pointer) echo -xregs=frameptr ;;
2437 -fPIC) echo -KPIC -xcode=pic32 ;;
2438 -W*,*) echo $flag ;;
2439 -f*-*|-W*|-mimpure-text) ;;
2440 -shared) echo -G ;;
2441 *) echo $flag ;;
2442 esac
2443 done
2444 }
2445
2446 tms470_flags(){
2447 for flag; do
2448 case $flag in
2449 -march=*|-mcpu=*)
2450 case "${flag#*=}" in
2451 armv7-a|cortex-a*) echo -mv=7a8 ;;
2452 armv7-r|cortex-r*) echo -mv=7r4 ;;
2453 armv7-m|cortex-m*) echo -mv=7m3 ;;
2454 armv6*|arm11*) echo -mv=6 ;;
2455 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2456 echo -mv=5e ;;
2457 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2458 esac
2459 ;;
2460 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2461 -mfpu=vfp) echo --float_support=vfpv2 ;;
2462 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2463 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
2464 -msoft-float) echo --float_support=vfplib ;;
2465 -O[0-3]|-mf=*) echo $flag ;;
2466 -g) echo -g -mn ;;
2467 -pds=*) echo $flag ;;
2468 -D*|-I*) echo $flag ;;
2469 --gcc|--abi=*) echo $flag ;;
2470 -me) echo $flag ;;
2471 esac
2472 done
2473 }
2474
2475 probe_cc(){
2476 pfx=$1
2477 _cc=$2
2478
2479 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2480 unset _ld_o _ldflags _ld_lib _ld_path
2481 unset _depflags _DEPCMD _DEPFLAGS
2482 _flags_filter=echo
2483
2484 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2485 _type=llvm_gcc
2486 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2487 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2488 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2489 _cflags_speed='-O3'
2490 _cflags_size='-Os'
2491 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2492 _type=gcc
2493 gcc_version=$($_cc --version | head -n1)
2494 gcc_basever=$($_cc -dumpversion)
2495 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2496 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2497 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2498 if ! $_cc -dumpversion | grep -q '^2\.'; then
2499 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2500 fi
2501 _cflags_speed='-O3'
2502 _cflags_size='-Os'
2503 elif $_cc --version 2>/dev/null | grep -q ^icc; then
2504 _type=icc
2505 _ident=$($_cc --version | head -n1)
2506 _depflags='-MMD'
2507 _cflags_speed='-O3'
2508 _cflags_size='-Os'
2509 _cflags_noopt='-O1'
2510 elif $_cc -v 2>&1 | grep -q xlc; then
2511 _type=xlc
2512 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2513 _cflags_speed='-O5'
2514 _cflags_size='-O5 -qcompact'
2515 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2516 _type=ccc
2517 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2518 _DEPFLAGS='-M'
2519 _cflags_speed='-fast'
2520 _cflags_size='-O1'
2521 _flags_filter=ccc_flags
2522 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2523 test -d "$sysroot" || die "No valid sysroot specified."
2524 _type=armcc
2525 _ident=$($_cc --vsn | head -n1)
2526 armcc_conf="$PWD/armcc.conf"
2527 $_cc --arm_linux_configure \
2528 --arm_linux_config_file="$armcc_conf" \
2529 --configure_sysroot="$sysroot" \
2530 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2531 die "Error creating armcc configuration file."
2532 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2533 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2534 as_default="${cross_prefix}gcc"
2535 _depflags='-MMD'
2536 _cflags_speed='-O3'
2537 _cflags_size='-Os'
2538 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2539 _type=tms470
2540 _ident=$($_cc -version | head -n1 | tr -s ' ')
2541 _flags='--gcc --abi=eabi -me'
2542 _cc_e='-ppl -fe=$@'
2543 _cc_o='-fe=$@'
2544 _depflags='-ppa -ppd=$(@:.o=.d)'
2545 _cflags_speed='-O3 -mf=5'
2546 _cflags_size='-O3 -mf=2'
2547 _flags_filter=tms470_flags
2548 elif $_cc -v 2>&1 | grep -q clang; then
2549 _type=clang
2550 _ident=$($_cc --version | head -n1)
2551 _depflags='-MMD'
2552 _cflags_speed='-O3'
2553 _cflags_size='-Os'
2554 elif $_cc -V 2>&1 | grep -q Sun; then
2555 _type=suncc
2556 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2557 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2558 _DEPFLAGS='-xM1 -xc99'
2559 _ldflags='-std=c99'
2560 _cflags_speed='-O5'
2561 _cflags_size='-O5 -xspace'
2562 _flags_filter=suncc_flags
2563 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2564 _type=pathscale
2565 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2566 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2567 _cflags_speed='-O2'
2568 _cflags_size='-Os'
2569 _flags_filter='filter_out -Wdisabled-optimization'
2570 elif $_cc -v 2>&1 | grep -q Open64; then
2571 _type=open64
2572 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2573 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2574 _cflags_speed='-O2'
2575 _cflags_size='-Os'
2576 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2577 elif $_cc -V 2>&1 | grep -q Portland; then
2578 _type=pgi
2579 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2580 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
2581 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2582 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2583 _cflags_noopt="-O1"
2584 _flags_filter=pgi_flags
2585 elif $_cc 2>&1 | grep -q Microsoft; then
2586 _type=msvc
2587 _ident=$($cc 2>&1 | head -n1)
2588 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2589 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2590 _cflags_speed="-O2"
2591 _cflags_size="-O1"
2592 # Nonstandard output options, to avoid msys path conversion issues.
2593 # Relies on wrapper to remap it.
2594 if $_cc 2>&1 | grep -q Linker; then
2595 _ld_o='-out $@'
2596 else
2597 _ld_o='-Fe$@'
2598 fi
2599 _cc_o='-Fo $@'
2600 _cc_e='-P -Fi $@'
2601 _flags_filter=msvc_flags
2602 _ld_lib='lib%.a'
2603 _ld_path='-libpath:'
2604 _flags='-nologo'
2605 _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2606 if [ $pfx = hostcc ]; then
2607 append _cflags -Dsnprintf=_snprintf
2608 fi
2609 elif $_cc 2>&1 | grep -q Intel; then
2610 _type=icl
2611 _ident=$($cc 2>&1 | head -n1)
2612 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
2613 # Not only is O3 broken on 13.x+ but it is slower on all previous
2614 # versions (tested) as well.
2615 _cflags_speed="-O2"
2616 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
2617 # Nonstandard output options, to avoid msys path conversion issues.
2618 # Relies on wrapper to remap it.
2619 if $_cc 2>&1 | grep -q Linker; then
2620 _ld_o='-out $@'
2621 else
2622 _ld_o='-Fe$@'
2623 fi
2624 _cc_o='-Fo $@'
2625 _cc_e='-P'
2626 _flags_filter=icl_flags
2627 _ld_lib='lib%.a'
2628 _ld_path='-libpath:'
2629 # -Qdiag-error to make icl error when seeing certain unknown arguments
2630 _flags='-nologo -Qdiag-error:4044,10157'
2631 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
2632 # with MSVC which enables it by default.
2633 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
2634 if [ $pfx = hostcc ]; then
2635 append _cflags -Dsnprintf=_snprintf
2636 fi
2637 fi
2638
2639 eval ${pfx}_type=\$_type
2640 eval ${pfx}_ident=\$_ident
2641 }
2642
2643 set_ccvars(){
2644 eval ${1}_C=\${_cc_c-\${${1}_C}}
2645 eval ${1}_E=\${_cc_e-\${${1}_E}}
2646 eval ${1}_O=\${_cc_o-\${${1}_O}}
2647
2648 if [ -n "$_depflags" ]; then
2649 eval ${1}_DEPFLAGS=\$_depflags
2650 else
2651 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2652 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2653 eval DEP${1}FLAGS=\$_flags
2654 fi
2655 }
2656
2657 probe_cc cc "$cc"
2658 cflags_filter=$_flags_filter
2659 cflags_speed=$_cflags_speed
2660 cflags_size=$_cflags_size
2661 cflags_noopt=$_cflags_noopt
2662 add_cflags $_flags $_cflags
2663 cc_ldflags=$_ldflags
2664 set_ccvars CC
2665
2666 probe_cc hostcc "$host_cc"
2667 host_cflags_filter=$_flags_filter
2668 add_host_cflags $_flags $_cflags
2669 set_ccvars HOSTCC
2670
2671 test -n "$cc_type" && enable $cc_type ||
2672 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2673
2674 : ${as_default:=$cc}
2675 : ${dep_cc_default:=$cc}
2676 : ${ld_default:=$cc}
2677 : ${host_ld_default:=$host_cc}
2678 set_default ar as dep_cc ld host_ld
2679
2680 probe_cc as "$as"
2681 asflags_filter=$_flags_filter
2682 add_asflags $_flags $_cflags
2683 set_ccvars AS
2684
2685 probe_cc ld "$ld"
2686 ldflags_filter=$_flags_filter
2687 add_ldflags $_flags $_ldflags
2688 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2689 LD_O=${_ld_o-$LD_O}
2690 LD_LIB=${_ld_lib-$LD_LIB}
2691 LD_PATH=${_ld_path-$LD_PATH}
2692
2693 probe_cc hostld "$host_ld"
2694 host_ldflags_filter=$_flags_filter
2695 add_host_ldflags $_flags $_ldflags
2696 HOSTLD_O=${_ld_o-$HOSTLD_O}
2697
2698 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2699 probe_cc depcc "$dep_cc"
2700 CCDEP=${_DEPCMD:-$DEPCMD}
2701 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2702 DEPCCFLAGS=$_flags
2703 fi
2704
2705 if $ar 2>&1 | grep -q Microsoft; then
2706 arflags="-nologo"
2707 ar_o='-out:$@'
2708 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2709 arflags="rq"
2710 ar_o='$@'
2711 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
2712 arflags='-Xany -r -c'
2713 ar_o='$@'
2714 else
2715 arflags="rc"
2716 ar_o='$@'
2717 fi
2718
2719 add_cflags $extra_cflags
2720 add_asflags $extra_cflags
2721
2722 if test -n "$sysroot"; then
2723 case "$cc_type" in
2724 gcc|llvm_gcc|clang)
2725 add_cppflags --sysroot="$sysroot"
2726 add_ldflags --sysroot="$sysroot"
2727 ;;
2728 tms470)
2729 add_cppflags -I"$sysinclude"
2730 add_ldflags --sysroot="$sysroot"
2731 ;;
2732 esac
2733 fi
2734
2735 if test "$cpu" = host; then
2736 enabled cross_compile &&
2737 die "--cpu=host makes no sense when cross-compiling."
2738
2739 case "$cc_type" in
2740 gcc|llvm_gcc)
2741 check_native(){
2742 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2743 sed -n "/cc1.*$1=/{
2744 s/.*$1=\\([^ ]*\\).*/\\1/
2745 p
2746 q
2747 }" $TMPE
2748 }
2749 cpu=$(check_native -march || check_native -mcpu)
2750 ;;
2751 esac
2752
2753 test "${cpu:-host}" = host &&
2754 die "--cpu=host not supported with compiler $cc"
2755 fi
2756
2757 # Deal with common $arch aliases
2758 case "$arch" in
2759 aarch64|arm64)
2760 arch="aarch64"
2761 ;;
2762 arm*)
2763 arch="arm"
2764 ;;
2765 mips*|IP*)
2766 arch="mips"
2767 ;;
2768 parisc*|hppa*)
2769 arch="parisc"
2770 ;;
2771 "Power Macintosh"|ppc*|powerpc*)
2772 arch="ppc"
2773 ;;
2774 s390|s390x)
2775 arch="s390"
2776 ;;
2777 sh4|sh)
2778 arch="sh4"
2779 ;;
2780 sun4u|sparc*)
2781 arch="sparc"
2782 ;;
2783 tilegx|tile-gx)
2784 arch="tilegx"
2785 ;;
2786 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2787 arch="x86"
2788 ;;
2789 esac
2790
2791 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2792 enable $arch
2793
2794 # Add processor-specific flags
2795 if enabled aarch64; then
2796
2797 case $cpu in
2798 armv*)
2799 cpuflags="-march=$cpu"
2800 ;;
2801 *)
2802 cpuflags="-mcpu=$cpu"
2803 ;;
2804 esac
2805
2806 elif enabled alpha; then
2807
2808 cpuflags="-mcpu=$cpu"
2809
2810 elif enabled arm; then
2811
2812 check_arm_arch() {
2813 check_cpp_condition stddef.h \
2814 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
2815 $cpuflags
2816 }
2817
2818 probe_arm_arch() {
2819 if check_arm_arch 4; then echo armv4;
2820 elif check_arm_arch 4T; then echo armv4t;
2821 elif check_arm_arch 5; then echo armv5;
2822 elif check_arm_arch 5E; then echo armv5e;
2823 elif check_arm_arch 5T; then echo armv5t;
2824 elif check_arm_arch 5TE; then echo armv5te;
2825 elif check_arm_arch 5TEJ; then echo armv5te;
2826 elif check_arm_arch 6; then echo armv6;
2827 elif check_arm_arch 6J; then echo armv6j;
2828 elif check_arm_arch 6K; then echo armv6k;
2829 elif check_arm_arch 6Z; then echo armv6z;
2830 elif check_arm_arch 6ZK; then echo armv6zk;
2831 elif check_arm_arch 6T2; then echo armv6t2;
2832 elif check_arm_arch 7; then echo armv7;
2833 elif check_arm_arch 7A 7_A; then echo armv7-a;
2834 elif check_arm_arch 7R 7_R; then echo armv7-r;
2835 elif check_arm_arch 7M 7_M; then echo armv7-m;
2836 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
2837 elif check_arm_arch 8A 8_A; then echo armv8-a;
2838 fi
2839 }
2840
2841 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
2842
2843 case $cpu in
2844 armv*)
2845 cpuflags="-march=$cpu"
2846 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2847 ;;
2848 *)
2849 cpuflags="-mcpu=$cpu"
2850 case $cpu in
2851 cortex-a*) subarch=armv7a ;;
2852 cortex-r*) subarch=armv7r ;;
2853 cortex-m*) enable thumb; subarch=armv7m ;;
2854 arm11*) subarch=armv6 ;;
2855 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2856 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2857 *) subarch=$(probe_arm_arch) ;;
2858 esac
2859 ;;
2860 esac
2861
2862 case "$subarch" in
2863 armv5t*) enable fast_clz ;;
2864 armv[6-8]*) enable fast_clz fast_unaligned ;;
2865 esac
2866
2867 elif enabled avr32; then
2868
2869 case $cpu in
2870 ap7[02]0[0-2])
2871 subarch="avr32_ap"
2872 cpuflags="-mpart=$cpu"
2873 ;;
2874 ap)
2875 subarch="avr32_ap"
2876 cpuflags="-march=$cpu"
2877 ;;
2878 uc3[ab]*)
2879 subarch="avr32_uc"
2880 cpuflags="-mcpu=$cpu"
2881 ;;
2882 uc)
2883 subarch="avr32_uc"
2884 cpuflags="-march=$cpu"
2885 ;;
2886 esac
2887
2888 elif enabled bfin; then
2889
2890 cpuflags="-mcpu=$cpu"
2891
2892 elif enabled mips; then
2893
2894 cpuflags="-march=$cpu"
2895
2896 elif enabled ppc; then
2897
2898 case $(tolower $cpu) in
2899 601|ppc601|powerpc601)
2900 cpuflags="-mcpu=601"
2901 disable altivec
2902 ;;
2903 603*|ppc603*|powerpc603*)
2904 cpuflags="-mcpu=603"
2905 disable altivec
2906 ;;
2907 604*|ppc604*|powerpc604*)
2908 cpuflags="-mcpu=604"
2909 disable altivec
2910 ;;
2911 g3|75*|ppc75*|powerpc75*)
2912 cpuflags="-mcpu=750"
2913 disable altivec
2914 ;;
2915 g4|745*|ppc745*|powerpc745*)
2916 cpuflags="-mcpu=7450"
2917 ;;
2918 74*|ppc74*|powerpc74*)
2919 cpuflags="-mcpu=7400"
2920 ;;
2921 g5|970|ppc970|powerpc970)
2922 cpuflags="-mcpu=970"
2923 ;;
2924 power[3-7]*)
2925 cpuflags="-mcpu=$cpu"
2926 ;;
2927 cell)
2928 cpuflags="-mcpu=cell"
2929 enable ldbrx
2930 ;;
2931 e500mc)
2932 cpuflags="-mcpu=e500mc"
2933 disable altivec
2934 ;;
2935 e500v2)
2936 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2937 disable altivec
2938 ;;
2939 e500)
2940 cpuflags="-mcpu=8540 -mhard-float"
2941 disable altivec
2942 ;;
2943 esac
2944
2945 elif enabled sparc; then
2946
2947 case $cpu in
2948 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
2949 cpuflags="-mcpu=$cpu"
2950 disable vis
2951 ;;
2952 ultrasparc*|niagara[234])
2953 cpuflags="-mcpu=$cpu"
2954 ;;
2955 esac
2956
2957 elif enabled x86; then
2958
2959 case $cpu in
2960 i[345]86|pentium)
2961 cpuflags="-march=$cpu"
2962 disable mmx
2963 ;;
2964 # targets that do NOT support nopl and conditional mov (cmov)
2965 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2966 cpuflags="-march=$cpu"
2967 disable i686
2968 ;;
2969 # targets that do support nopl and conditional mov (cmov)
2970 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
2971 cpuflags="-march=$cpu"
2972 enable i686
2973 enable fast_cmov
2974 ;;
2975 # targets that do support conditional mov but on which it's slow
2976 pentium4|pentium4m|prescott|nocona)
2977 cpuflags="-march=$cpu"
2978 enable i686
2979 disable fast_cmov
2980 ;;
2981 esac
2982
2983 fi
2984
2985 if [ "$cpu" != generic ]; then
2986 add_cflags $cpuflags
2987 add_asflags $cpuflags
2988 fi
2989
2990 # compiler sanity check
2991 check_exec <<EOF
2992 int main(void){ return 0; }
2993 EOF
2994 if test "$?" != 0; then
2995 echo "$cc is unable to create an executable file."
2996 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2997 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2998 echo "Only do this if you know what cross compiling means."
2999 fi
3000 die "C compiler test failed."
3001 fi
3002
3003 add_cppflags -D_ISOC99_SOURCE
3004 check_cflags -std=c99
3005 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3006 #include <stdlib.h>
3007 EOF
3008 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3009 #include <stdlib.h>
3010 EOF
3011
3012 check_host_cflags -std=c99
3013 check_host_cflags -Wall
3014
3015 check_64bit(){
3016 arch32=$1
3017 arch64=$2
3018 expr=$3
3019 check_code cc "" "int test[2*($expr) - 1]" &&
3020 subarch=$arch64 || subarch=$arch32
3021 }
3022
3023 case "$arch" in
3024 aarch64|alpha|ia64)
3025 spic=$shared
3026 ;;
3027 mips)
3028 check_64bit mips mips64 '_MIPS_SIM > 1'
3029 spic=$shared
3030 ;;
3031 parisc)
3032 check_64bit parisc parisc64 'sizeof(void *) > 4'
3033 spic=$shared
3034 ;;
3035 ppc)
3036 check_64bit ppc ppc64 'sizeof(void *) > 4'
3037 spic=$shared
3038 ;;
3039 sparc)
3040 check_64bit sparc sparc64 'sizeof(void *) > 4'
3041 spic=$shared
3042 ;;
3043 x86)
3044 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3045 if test "$subarch" = "x86_64"; then
3046 spic=$shared
3047 fi
3048 ;;
3049 esac
3050
3051 enable $subarch
3052 enabled spic && enable_weak pic
3053
3054 # OS specific
3055 case $target_os in
3056 aix)
3057 SHFLAGS=-shared
3058 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3059 enabled shared && add_ldflags -Wl,-brtl
3060 ;;
3061 haiku)
3062 prefix_default="/boot/common"
3063 network_extralibs="-lnetwork"
3064 host_libs=
3065 ;;
3066 sunos)
3067 SHFLAGS='-shared -Wl,-h,$$(@F)'
3068 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3069 network_extralibs="-lsocket -lnsl"
3070 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3071 # When using suncc to build, the Solaris linker will mark
3072 # an executable with each instruction set encountered by
3073 # the Solaris assembler. As our libraries contain their own
3074 # guards for processor-specific code, instead suppress
3075 # generation of the HWCAPS ELF section on Solaris x86 only.
3076 enabled_all suncc x86 &&
3077 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3078 add_ldflags -Wl,-M,mapfile
3079 nm_default='nm -P -g'
3080 ;;
3081 netbsd)
3082 disable symver
3083 oss_indev_extralibs="-lossaudio"
3084 oss_outdev_extralibs="-lossaudio"
3085 ;;
3086 openbsd|bitrig)
3087 disable symver
3088 SHFLAGS='-shared'
3089 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3090 SLIB_INSTALL_LINKS=
3091 oss_indev_extralibs="-lossaudio"
3092 oss_outdev_extralibs="-lossaudio"
3093 ;;
3094 dragonfly)
3095 disable symver
3096 ;;
3097 freebsd)
3098 ;;
3099 bsd/os)
3100 add_extralibs -lpoll -lgnugetopt
3101 ;;
3102 darwin)
3103 gas="gas-preprocessor.pl $cc"
3104 enabled ppc && add_asflags -force_cpusubtype_ALL
3105 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3106 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3107 add_ldflags -Wl,-dynamic,-search_paths_first
3108 SLIBSUF=".dylib"
3109 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3110 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3111 objformat="macho"
3112 enabled x86_64 && objformat="macho64"
3113 enabled_any pic shared ||
3114 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3115 ;;
3116 mingw32*)
3117 if test $target_os = "mingw32ce"; then
3118 disable network
3119 else
3120 target_os=mingw32
3121 fi
3122 LIBTARGET=i386
3123 if enabled x86_64; then
3124 LIBTARGET="i386:x86-64"
3125 elif enabled arm; then
3126 LIBTARGET=arm-wince
3127 fi
3128 check_ldflags -Wl,--nxcompat
3129 check_ldflags -Wl,--dynamicbase
3130 shlibdir_default="$bindir_default"
3131 SLIBPREF=""
3132 SLIBSUF=".dll"
3133 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3134 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3135 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3136 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3137 SLIB_INSTALL_LINKS=
3138 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3139 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3140 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3141 objformat="win32"
3142 dlltool="${cross_prefix}dlltool"
3143 ranlib=:
3144 enable dos_paths
3145 ;;
3146 win32|win64)
3147 if enabled shared; then
3148 # Link to the import library instead of the normal static library
3149 # for shared libs.
3150 LD_LIB='%.lib'
3151 # Cannot build shared and static libs at the same time with MSVC.
3152 disable static
3153 fi
3154 shlibdir_default="$bindir_default"
3155 SLIBPREF=""
3156 SLIBSUF=".dll"
3157 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3158 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3159 SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3160 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3161 SLIB_INSTALL_LINKS=
3162 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3163 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3164 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3165 objformat="win32"
3166 ranlib=:
3167 enable dos_paths
3168 ;;
3169 cygwin*)
3170 target_os=cygwin
3171 shlibdir_default="$bindir_default"
3172 SLIBPREF="cyg"
3173 SLIBSUF=".dll"
3174 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3175 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3176 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3177 SLIB_INSTALL_LINKS=
3178 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3179 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3180 objformat="win32"
3181 enable dos_paths
3182 ;;
3183 *-dos|freedos|opendos)
3184 network_extralibs="-lsocket"
3185 objformat="coff"
3186 enable dos_paths
3187 add_cppflags -U__STRICT_ANSI__
3188 ;;
3189 linux)
3190 enable dv1394
3191 ;;
3192 irix*)
3193 target_os=irix
3194 ranlib="echo ignoring ranlib"
3195 ;;
3196 os/2*)
3197 ln_s="cp -f"
3198 objformat="aout"
3199 add_cppflags -D_GNU_SOURCE
3200 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3201 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3202 LIBSUF="_s.a"
3203 SLIBPREF=""
3204 SLIBSUF=".dll"
3205 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3206 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3207 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3208 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3209 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3210 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3211 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3212 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3213 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3214 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3215 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3216 enable dos_paths
3217 ;;
3218 gnu/kfreebsd)
3219 add_cppflags -D_BSD_SOURCE
3220 ;;
3221 gnu)
3222 ;;
3223 qnx)
3224 add_cppflags -D_QNX_SOURCE
3225 network_extralibs="-lsocket"
3226 ;;
3227 symbian)
3228 SLIBSUF=".dll"
3229 enable dos_paths
3230 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3231 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3232 add_ldflags -Wl,--target1-abs,--no-undefined \
3233 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3234 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3235 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3236 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3237 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3238 ;;
3239 osf1)
3240 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3241 ;;
3242 minix)
3243 ;;
3244 plan9)
3245 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3246 -D_REENTRANT_SOURCE \
3247 -D_RESEARCH_SOURCE \
3248 -DFD_SETSIZE=96 \
3249 -DHAVE_SOCK_OPTS
3250 add_compat strtod.o strtod=avpriv_strtod
3251 network_extralibs='-lbsd'
3252 exeobjs=compat/plan9/main.o
3253 disable avserver
3254 cp_f='cp'
3255 ;;
3256 none)
3257 ;;
3258 *)
3259 die "Unknown OS '$target_os'."
3260 ;;
3261 esac
3262
3263 # determine libc flavour
3264
3265 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3266 if check_cpp_condition features.h "defined __UCLIBC__"; then
3267 libc_type=uclibc
3268 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3269 elif check_cpp_condition features.h "defined __GLIBC__"; then
3270 libc_type=glibc
3271 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3272 # MinGW headers can be installed on Cygwin, so check for newlib first.
3273 elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3274 libc_type=newlib
3275 add_cppflags -U__STRICT_ANSI__
3276 elif check_header _mingw.h; then
3277 libc_type=mingw
3278 check_cpp_condition _mingw.h \
3279 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3280 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3281 die "ERROR: MinGW runtime version must be >= 3.15."
3282 add_cppflags -U__STRICT_ANSI__
3283 elif check_func_headers stdlib.h _get_doserrno; then
3284 libc_type=msvcrt
3285 add_compat strtod.o strtod=avpriv_strtod
3286 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3287 _snprintf=avpriv_snprintf \
3288 vsnprintf=avpriv_vsnprintf
3289 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3290 # 0x601 by default unless something else is set by the user.
3291 # This can easily lead to us detecting functions only present
3292 # in such new versions and producing binaries requiring windows 7.0.
3293 # Therefore explicitly set the default to XP unless the user has
3294 # set something else on the command line.
3295 check_cpp_condition stdlib.h "defined(_WIN32_WINNT)" || add_cppflags -D_WIN32_WINNT=0x0502
3296 elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3297 libc_type=klibc
3298 elif check_cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3299 libc_type=bionic
3300 add_compat strtod.o strtod=avpriv_strtod
3301 fi
3302
3303 test -n "$libc_type" && enable $libc_type
3304
3305 # hacks for compiler/libc/os combinations
3306
3307 if enabled_all tms470 glibc; then
3308 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
3309 add_cppflags -D__USER_LABEL_PREFIX__=
3310 add_cppflags -D__builtin_memset=memset
3311 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3312 add_cflags -pds=48 # incompatible redefinition of macro
3313 fi
3314
3315 if enabled_all ccc glibc; then
3316 add_ldflags -Wl,-z,now # calls to libots crash without this
3317 fi
3318
3319 esc(){
3320 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3321 }
3322
3323 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
3324
3325 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
3326
3327 set_default $PATHS_LIST
3328 set_default nm
3329
3330 # we need to build at least one lib type
3331 if ! enabled_any static shared; then
3332 cat <<EOF
3333 At least one library type must be built.
3334 Specify --enable-static to build the static libraries or --enable-shared to
3335 build the shared libraries as well. To only build the shared libraries specify
3336 --disable-static in addition to --enable-shared.
3337 EOF
3338 exit 1;
3339 fi
3340
3341 die_license_disabled() {
3342 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3343 }
3344
3345 die_license_disabled gpl libcdio
3346 die_license_disabled gpl libx264
3347 die_license_disabled gpl libxavs
3348 die_license_disabled gpl libxvid
3349 die_license_disabled gpl x11grab
3350
3351 die_license_disabled nonfree libfaac
3352 die_license_disabled nonfree libfdk_aac
3353 die_license_disabled nonfree openssl
3354
3355 die_license_disabled version3 libopencore_amrnb
3356 die_license_disabled version3 libopencore_amrwb
3357 die_license_disabled version3 libvo_aacenc
3358 die_license_disabled version3 libvo_amrwbenc
3359
3360 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3361
3362 disabled optimizations || check_cflags -fomit-frame-pointer
3363
3364 enable_weak_pic() {
3365 disabled pic && return
3366 enable pic
3367 add_cppflags -DPIC
3368 case "$target_os" in
3369 mingw*|cygwin*)
3370 ;;
3371 *)
3372 add_cflags -fPIC
3373 ;;
3374 esac
3375 add_asflags -fPIC
3376 }
3377
3378 enabled pic && enable_weak_pic
3379
3380 check_cc <<EOF || die "Symbol mangling check failed."
3381 int ff_extern;
3382 EOF
3383 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3384 extern_prefix=${sym%%ff_extern*}
3385
3386 check_cc <<EOF && enable_weak inline_asm
3387 void foo(void) { __asm__ volatile ("" ::); }
3388 EOF
3389
3390 _restrict=
3391 for restrict_keyword in restrict __restrict__ __restrict; do
3392 check_cc <<EOF && _restrict=$restrict_keyword && break
3393 void foo(char * $restrict_keyword p);
3394 EOF
3395 done
3396
3397 check_cc <<EOF && enable pragma_deprecated
3398 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
3399 EOF
3400
3401 check_cc <<EOF && enable attribute_packed
3402 struct { int x; } __attribute__((packed)) x;
3403 EOF
3404
3405 check_cc <<EOF && enable attribute_may_alias
3406 union { int x; } __attribute__((may_alias)) x;
3407 EOF
3408
3409 check_cc <<EOF || die "endian test failed"
3410 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3411 EOF
3412 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3413
3414 check_inline_asm inline_asm_labels '"1:\n"'
3415
3416 if enabled alpha; then
3417
3418 check_cflags -mieee
3419
3420 elif enabled arm; then
3421
3422 check_cpp_condition stddef.h "defined __thumb__" && enable_weak thumb
3423 enabled thumb && check_cflags -mthumb || check_cflags -marm
3424 nogas=die
3425
3426 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3427 enable vfp_args
3428 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3429 case "${cross_prefix:-$cc}" in
3430 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3431 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3432 __asm__ (".eabi_attribute 28, 1");
3433 int main(void) { return 0; }
3434 EOF
3435 esac
3436 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3437 fi
3438
3439 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
3440 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
3441 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
3442 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
3443 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
3444 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
3445
3446 [ $target_os = linux ] ||
3447 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
3448 $ARCH_EXT_LIST_ARM
3449
3450 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3451 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
3452
3453 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
3454
3455 elif enabled mips; then
3456
3457 check_inline_asm loongson '"dmult.g $1, $2, $3"'
3458
3459 elif enabled parisc; then
3460
3461 if enabled gcc; then
3462 case $($cc -dumpversion) in
3463 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
3464 esac
3465 fi
3466
3467 elif enabled ppc; then
3468
3469 enable local_aligned_8 local_aligned_16
3470
3471 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
3472 check_inline_asm ibm_asm '"add 0, 0, 0"'
3473 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
3474 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
3475
3476 # AltiVec flags: The FSF version of GCC differs from the Apple version
3477 if enabled altivec; then
3478 nogas=warn
3479 check_cflags -maltivec -mabi=altivec &&
3480 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3481 check_cflags -faltivec
3482
3483 # check if our compiler supports Motorola AltiVec C API
3484 check_cc <<EOF || disable altivec
3485 $inc_altivec_h
3486 int main(void) {
3487 vector signed int v1 = (vector signed int) { 0 };
3488 vector signed int v2 = (vector signed int) { 1 };
3489 v1 = vec_add(v1, v2);
3490 return 0;
3491 }
3492 EOF
3493
3494 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
3495 fi
3496
3497 elif enabled sparc; then
3498
3499 enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
3500
3501 elif enabled x86; then
3502
3503 check_builtin rdtsc intrin.h "__rdtsc()"
3504 check_builtin mm_empty mmintrin.h "_mm_empty()"
3505
3506 enable local_aligned_8 local_aligned_16
3507
3508 # check whether EBP is available on x86
3509 # As 'i' is stored on the stack, this program will crash
3510 # if the base pointer is used to access it because the
3511 # base pointer is cleared in the inline assembly code.
3512 check_exec_crash <<EOF && enable ebp_available
3513 volatile int i=0;
3514 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
3515 return i;
3516 EOF
3517
3518 # check whether EBX is available on x86
3519 check_inline_asm ebx_available '""::"b"(0)' &&
3520 check_inline_asm ebx_available '"":::"%ebx"'
3521
3522 # check whether xmm clobbers are supported
3523 check_inline_asm xmm_clobbers '"":::"%xmm0"'
3524
3525 # check whether binutils is new enough to compile SSSE3/MMXEXT
3526 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
3527 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
3528
3529 if ! disabled_any asm mmx yasm; then
3530 if check_cmd $yasmexe --version; then
3531 enabled x86_64 && yasm_extra="-m amd64"
3532 yasm_debug="-g dwarf2"
3533 elif check_cmd nasm -v; then
3534 yasmexe=nasm
3535 yasm_debug="-g -F dwarf"
3536 enabled x86_64 && test "$objformat" = elf && objformat=elf64
3537 fi
3538
3539 YASMFLAGS="-f $objformat $yasm_extra"
3540 enabled pic && append YASMFLAGS "-DPIC"
3541 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
3542 case "$objformat" in
3543 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3544 esac
3545
3546 check_yasm "vextractf128 xmm0, ymm0, 0" && enable yasm ||
3547 die "yasm not found, use --disable-yasm for a crippled build"
3548 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
3549 check_yasm "CPU amdnop" && enabled i686 && enable cpunop
3550 fi
3551
3552 case "$cpu" in
3553 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3554 disable fast_clz
3555 ;;
3556 esac
3557
3558 fi
3559
3560 if enabled asm; then
3561 as=${gas:=$as}
3562 check_as <<EOF && enable gnu_as || \
3563 $nogas "GNU assembler not found, install gas-preprocessor"
3564 .macro m n
3565 \n: .int 0
3566 .endm
3567 m x
3568 EOF
3569 fi
3570
3571 check_ldflags -Wl,--as-needed
3572
3573 if check_func dlopen; then
3574 ldl=
3575 elif check_func dlopen -ldl; then
3576 ldl=-ldl
3577 fi
3578
3579 if ! disabled network; then
3580 check_type "sys/types.h sys/socket.h" socklen_t
3581 check_type netdb.h "struct addrinfo"
3582 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
3583 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
3584 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3585 check_type netinet/in.h "struct sockaddr_in6"
3586 check_type poll.h "struct pollfd"
3587 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3588 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3589 check_type netinet/sctp.h "struct sctp_event_subscribe"
3590 check_func getaddrinfo $network_extralibs
3591 check_func getservbyport $network_extralibs
3592 # Prefer arpa/inet.h over winsock2
3593 if check_header arpa/inet.h ; then
3594 check_func closesocket
3595 elif check_header winsock2.h ; then
3596 check_func_headers winsock2.h closesocket -lws2 &&
3597 network_extralibs="-lws2" ||
3598 { check_func_headers winsock2.h closesocket -lws2_32 &&
3599 network_extralibs="-lws2_32"; }
3600 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
3601 check_type ws2tcpip.h socklen_t
3602 check_type ws2tcpip.h "struct addrinfo"
3603 check_type ws2tcpip.h "struct group_source_req"
3604 check_type ws2tcpip.h "struct ip_mreq_source"
3605 check_type ws2tcpip.h "struct ipv6_mreq"
3606 check_type winsock2.h "struct pollfd"
3607 check_type ws2tcpip.h "struct sockaddr_in6"
3608 check_type ws2tcpip.h "struct sockaddr_storage"
3609 check_struct winsock2.h "struct sockaddr" sa_len
3610 else
3611 disable network
3612 fi
3613 fi
3614
3615 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3616 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3617
3618 check_func fcntl
3619 check_func fork
3620 check_func_headers stdlib.h getenv
3621 check_func gethrtime
3622 check_func getopt
3623 check_func getrusage
3624 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3625 check_func gettimeofday
3626 check_func inet_aton $network_extralibs
3627 check_func isatty
3628 check_func localtime_r
3629 check_func ${malloc_prefix}memalign && enable memalign
3630 check_func mkstemp
3631 check_func mmap
3632 check_func mprotect
3633 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
3634 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
3635 check_func setrlimit
3636 check_func strerror_r
3637 check_func strptime
3638 check_func strtok_r
3639 check_func sched_getaffinity
3640 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
3641 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
3642 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
3643 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
3644 check_func sysconf
3645 check_func sysctl
3646 check_func usleep
3647 check_func_headers io.h setmode
3648 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
3649 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
3650 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3651 check_func_headers windows.h GetProcessAffinityMask
3652 check_func_headers windows.h GetProcessTimes
3653 check_func_headers windows.h GetSystemTimeAsFileTime
3654 check_func_headers windows.h MapViewOfFile
3655 check_func_headers windows.h SetConsoleTextAttribute
3656 check_func_headers windows.h Sleep
3657 check_func_headers windows.h VirtualAlloc
3658
3659 check_header direct.h
3660 check_header dlfcn.h
3661 check_header dxva.h
3662 check_header dxva2api.h
3663 check_header io.h
3664 check_header malloc.h
3665 check_header poll.h
3666 check_header sys/mman.h
3667 check_header sys/param.h
3668 check_header sys/resource.h
3669 check_header sys/select.h
3670 check_header sys/time.h
3671 check_header sys/un.h
3672 check_header unistd.h
3673 check_header vdpau/vdpau.h
3674 check_header vdpau/vdpau_x11.h
3675 check_header VideoDecodeAcceleration/VDADecoder.h
3676 check_header windows.h
3677 check_header X11/extensions/XvMClib.h
3678
3679 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
3680 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3681
3682 if ! disabled w32threads && ! enabled pthreads; then
3683 check_func_headers "windows.h process.h" _beginthreadex && enable w32threads
3684 fi
3685
3686 # check for some common methods of building with pthread support
3687 # do this before the optional library checks as some of them require pthreads
3688 if ! disabled pthreads && ! enabled w32threads; then
3689 enable pthreads
3690 if check_func pthread_create; then
3691 :
3692 elif check_func pthread_create -pthread; then
3693 add_cflags -pthread
3694 add_extralibs -pthread
3695 elif check_func pthread_create -pthreads; then
3696 add_cflags -pthreads
3697 add_extralibs -pthreads
3698 elif check_func pthread_create -lpthreadGC2; then
3699 add_extralibs -lpthreadGC2
3700 elif ! check_lib pthread.h pthread_create -lpthread; then
3701 disable pthreads
3702 fi
3703 fi
3704
3705 for thread in $THREADS_LIST; do
3706 if enabled $thread; then
3707 test -n "$thread_type" &&
3708 die "ERROR: Only one thread type must be selected." ||
3709 thread_type="$thread"
3710 fi
3711 done
3712
3713 enabled sync_val_compare_and_swap && enable atomics_gcc
3714 enabled_all atomic_cas_ptr machine_rw_barrier && enable atomics_suncc
3715 enabled MemoryBarrier && enable atomics_win32
3716
3717 check_lib math.h sin -lm && LIBM="-lm"
3718 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3719
3720 atan2f_args=2
3721 ldexpf_args=2
3722 powf_args=2
3723
3724 for func in $MATH_FUNCS; do
3725 eval check_mathfunc $func \${${func}_args:-1}
3726 done
3727
3728 # these are off by default, so fail if requested and not available
3729 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3730 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3731 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3732 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3733 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
3734 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3735 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
3736 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
3737 done || die "ERROR: libgsm not found"; }
3738 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
3739 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3740 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3741 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3742 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
3743 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3744 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
3745 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3746 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3747 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3748 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
3749 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3750 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3751 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3752 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3753 enabled libvpx && {
3754 enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3755 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3756 enabled libvpx_vp8_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
3757 die "ERROR: libvpx encoder version must be >=0.9.6"; }
3758 enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
3759 enabled libvpx_vp9_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx" -lvpx || disable libvpx_vp9_encoder; } }
3760 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
3761 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
3762 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3763 die "ERROR: libx264 version must be >= 0.118."; }
3764 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
3765 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
3766 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3767 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3768 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3769 die "ERROR: openssl not found"; }
3770
3771 if enabled gnutls; then
3772 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
3773 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
3774 fi
3775
3776 # libdc1394 check
3777 if enabled libdc1394; then
3778 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3779 enable libdc1394_2; } ||
3780 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3781 enable libdc1394_1; } ||
3782 die "ERROR: No version of libdc1394 found "
3783 fi
3784
3785 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3786 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3787 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
3788 enable sdl
3789 fi
3790
3791 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3792
3793 check_header linux/fb.h
3794 check_header linux/videodev2.h
3795 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3796
3797 check_header sys/videoio.h
3798
3799 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3800 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3801 # w32api 3.12 had it defined wrong
3802 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3803
3804 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3805 { check_header dev/bktr/ioctl_meteor.h &&
3806 check_header dev/bktr/ioctl_bt848.h; } ||
3807 { check_header machine/ioctl_meteor.h &&
3808 check_header machine/ioctl_bt848.h; } ||
3809 { check_header dev/video/meteor/ioctl_meteor.h &&
3810 check_header dev/video/bktr/ioctl_bt848.h; } ||
3811 check_header dev/ic/bt8xx.h
3812
3813 check_header sndio.h
3814 check_header sys/soundcard.h
3815 check_header soundcard.h
3816
3817 enabled_any alsa_indev alsa_outdev &&
3818 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3819
3820 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&
3821 check_func jack_port_get_latency_range -ljack
3822
3823 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3824
3825 if enabled libcdio; then
3826 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
3827 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio
3828 fi
3829
3830 enabled x11grab &&
3831 require X11 X11/Xlib.h XOpenDisplay -lX11 &&
3832 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3833 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3834
3835 enabled vdpau &&
3836 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3837 disable vdpau
3838
3839 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3840
3841 # add some useful compiler flags if supported
3842 check_cflags -Wdeclaration-after-statement
3843 check_cflags -Wall
3844 check_cflags -Wno-parentheses
3845 check_cflags -Wno-switch
3846 check_cflags -Wno-format-zero-length
3847 check_cflags -Wdisabled-optimization
3848 check_cflags -Wpointer-arith
3849 check_cflags -Wredundant-decls
3850 check_cflags -Wno-pointer-sign
3851 check_cflags -Wcast-qual
3852 check_cflags -Wwrite-strings
3853 check_cflags -Wtype-limits
3854 check_cflags -Wundef
3855 check_cflags -Wmissing-prototypes
3856 check_cflags -Wstrict-prototypes
3857 enabled extra_warnings && check_cflags -Winline
3858
3859 # add some linker flags
3860 check_ldflags -Wl,--warn-common
3861 check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3862 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3863
3864 enabled xmm_clobber_test &&
3865 check_ldflags -Wl,--wrap,avcodec_open2 \
3866 -Wl,--wrap,avcodec_decode_audio4 \
3867 -Wl,--wrap,avcodec_decode_video2 \
3868 -Wl,--wrap,avcodec_decode_subtitle2 \
3869 -Wl,--wrap,avcodec_encode_audio2 \
3870 -Wl,--wrap,avcodec_encode_video \
3871 -Wl,--wrap,avcodec_encode_subtitle \
3872 -Wl,--wrap,sws_scale ||
3873 disable xmm_clobber_test
3874
3875 echo "X{};" > $TMPV
3876 if test_ldflags -Wl,--version-script,$TMPV; then
3877 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3878 check_cc <<EOF && enable symver_asm_label
3879 void ff_foo(void) __asm__ ("av_foo@VERSION");
3880 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3881 EOF
3882 check_cc <<EOF && enable symver_gnu_asm
3883 __asm__(".symver ff_foo,av_foo@VERSION");
3884 void ff_foo(void) {}
3885 EOF
3886 fi
3887
3888 if [ -z "$optflags" ]; then
3889 if enabled small; then
3890 optflags=$cflags_size
3891 elif enabled optimizations; then
3892 optflags=$cflags_speed
3893 else
3894 optflags=$cflags_noopt
3895 fi
3896 fi
3897
3898 check_optflags(){
3899 check_cflags "$@"
3900 enabled lto && check_ldflags "$@"
3901 }
3902
3903
3904 if enabled lto; then
3905 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
3906 check_cflags -flto
3907 check_ldflags -flto $cpuflags
3908 fi
3909
3910 check_optflags $optflags
3911 check_optflags -fno-math-errno
3912 check_optflags -fno-signed-zeros
3913
3914 if enabled icc; then
3915 # Just warnings, no remarks
3916 check_cflags -w1
3917 # -wd: Disable following warnings
3918 # 144, 167, 556: -Wno-pointer-sign
3919 # 1292: attribute "foo" ignored
3920 # 1419: external declaration in primary source file
3921 # 10006: ignoring unknown option -fno-signed-zeros
3922 # 10148: ignoring unknown option -Wno-parentheses
3923 # 10156: ignoring option '-W'; no argument required
3924 check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3925 # 11030: Warning unknown option --as-needed
3926 # 10156: ignoring option '-export'; no argument required
3927 check_ldflags -wd10156,11030
3928 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3929 enable ebp_available
3930 if enabled x86_32; then
3931 icc_version=$($cc -dumpversion)
3932 test ${icc_version%%.*} -ge 11 &&
3933 check_cflags -falign-stack=maintain-16-byte ||
3934 disable aligned_stack
3935 fi
3936 elif enabled ccc; then
3937 # disable some annoying warnings
3938 add_cflags -msg_disable bitnotint
3939 add_cflags -msg_disable mixfuncvoid
3940 add_cflags -msg_disable nonstandcast
3941 add_cflags -msg_disable unsupieee
3942 elif enabled gcc; then
3943 check_optflags -fno-tree-vectorize
3944 check_cflags -Werror=implicit-function-declaration
3945 check_cflags -Werror=missing-prototypes
3946 check_cflags -Werror=return-type
3947 check_cflags -Werror=declaration-after-statement
3948 check_cflags -Werror=vla
3949 elif enabled llvm_gcc; then
3950 check_cflags -mllvm -stack-alignment=16
3951 elif enabled clang; then
3952 check_cflags -mllvm -stack-alignment=16
3953 check_cflags -Qunused-arguments
3954 check_cflags -Werror=implicit-function-declaration
3955 check_cflags -Werror=missing-prototypes
3956 check_cflags -Werror=return-type
3957 elif enabled armcc; then
3958 # 2523: use of inline assembler is deprecated
3959 add_cflags -W${armcc_opt},--diag_suppress=2523
3960 add_cflags -W${armcc_opt},--diag_suppress=1207
3961 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3962 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3963 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3964 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
3965 elif enabled tms470; then
3966 add_cflags -pds=824 -pds=837
3967 elif enabled pathscale; then
3968 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3969 elif enabled_any msvc icl; then
3970 enabled x86_32 && disable aligned_stack
3971 enabled_all x86_32 debug && add_cflags -Oy-
3972 enabled debug && add_ldflags -debug
3973 if enabled icl; then
3974 # basically -fstrict-aliasing that does not work (correctly) on icl 13.x
3975 check_cpp_condition "windows.h" "__ICL < 1300" && add_cflags -Qansi-alias
3976 # icl will pass the inline asm tests but inline asm is currently
3977 # not supported (build will fail)
3978 disable inline_asm
3979 fi
3980 fi
3981
3982 case $target_os in
3983 osf1)
3984 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
3985 ;;
3986 plan9)
3987 add_cppflags -Dmain=plan9_main
3988 ;;
3989 esac
3990
3991 enabled_any $THREADS_LIST && enable threads
3992 enabled_any $ATOMICS_LIST && enable atomics_native
3993
3994 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3995
3996 check_deps $CONFIG_LIST \
3997 $CONFIG_EXTRA \
3998 $HAVE_LIST \
3999 $ALL_COMPONENTS \
4000
4001 ! enabled_any memalign posix_memalign aligned_malloc &&
4002 enabled_any $need_memalign && enable memalign_hack
4003
4004 echo "install prefix $prefix"
4005 echo "source path $source_path"
4006 echo "C compiler $cc"
4007 echo "ARCH $arch ($cpu)"
4008 if test "$build_suffix" != ""; then
4009 echo "build suffix $build_suffix"
4010 fi
4011 if test "$extra_version" != ""; then
4012 echo "version string suffix $extra_version"
4013 fi
4014 echo "big-endian ${bigendian-no}"
4015 echo "runtime cpu detection ${runtime_cpudetect-no}"
4016 if enabled x86; then
4017 echo "${yasmexe} ${yasm-no}"
4018 echo "MMX enabled ${mmx-no}"
4019 echo "MMXEXT enabled ${mmxext-no}"
4020 echo "3DNow! enabled ${amd3dnow-no}"
4021 echo "3DNow! extended enabled ${amd3dnowext-no}"
4022 echo "SSE enabled ${sse-no}"
4023 echo "SSSE3 enabled ${ssse3-no}"
4024 echo "AVX enabled ${avx-no}"
4025 echo "FMA4 enabled ${fma4-no}"
4026 echo "i686 features enabled ${i686-no}"
4027 echo "CMOV is fast ${fast_cmov-no}"
4028 echo "EBX available ${ebx_available-no}"
4029 echo "EBP available ${ebp_available-no}"
4030 fi
4031 if enabled arm; then
4032 echo "ARMv5TE enabled ${armv5te-no}"
4033 echo "ARMv6 enabled ${armv6-no}"
4034 echo "ARMv6T2 enabled ${armv6t2-no}"
4035 echo "VFP enabled ${vfp-no}"
4036 echo "NEON enabled ${neon-no}"
4037 fi
4038 if enabled ppc; then
4039 echo "AltiVec enabled ${altivec-no}"
4040 echo "PPC 4xx optimizations ${ppc4xx-no}"
4041 echo "dcbzl available ${dcbzl-no}"
4042 fi
4043 if enabled sparc; then
4044 echo "VIS enabled ${vis-no}"
4045 fi
4046 echo "debug symbols ${debug-no}"
4047 echo "optimize for size ${small-no}"
4048 echo "optimizations ${optimizations-no}"
4049 echo "static ${static-no}"
4050 echo "shared ${shared-no}"
4051 echo "new filter support ${avfilter-no}"
4052 echo "network support ${network-no}"
4053 echo "threading support ${thread_type-no}"
4054 echo "safe bitstream reader ${safe_bitstream_reader-no}"
4055 echo "SDL support ${sdl-no}"
4056 test -n "$random_seed" &&
4057 echo "random seed ${random_seed}"
4058 echo
4059
4060 echo "External libraries:"
4061 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
4062 echo
4063
4064 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
4065 echo "Enabled ${type}s:"
4066 eval list=\$$(toupper $type)_LIST
4067 print_enabled '_*' $list | print_3_columns
4068 echo
4069 done
4070
4071 license="LGPL version 2.1 or later"
4072 if enabled nonfree; then
4073 license="nonfree and unredistributable"
4074 elif enabled gplv3; then
4075 license="GPL version 3 or later"
4076 elif enabled lgplv3; then
4077 license="LGPL version 3 or later"
4078 elif enabled gpl; then
4079 license="GPL version 2 or later"
4080 fi
4081
4082 echo "License: $license"
4083
4084 echo "Creating config.mak and config.h..."
4085
4086 test -e Makefile || $ln_s "$source_path/Makefile" .
4087
4088 config_files="$TMPH config.mak"
4089
4090 cat > config.mak <<EOF
4091 # Automatically generated by configure - do not modify!
4092 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
4093 prefix=$prefix
4094 LIBDIR=\$(DESTDIR)$libdir
4095 SHLIBDIR=\$(DESTDIR)$shlibdir
4096 INCDIR=\$(DESTDIR)$incdir
4097 BINDIR=\$(DESTDIR)$bindir
4098 DATADIR=\$(DESTDIR)$datadir
4099 MANDIR=\$(DESTDIR)$mandir
4100 SRC_PATH=$source_path
4101 CC_IDENT=$cc_ident
4102 ARCH=$arch
4103 CC=$cc
4104 AS=$as
4105 LD=$ld
4106 DEPCC=$dep_cc
4107 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
4108 DEPAS=$as
4109 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
4110 YASM=$yasmexe
4111 DEPYASM=$yasmexe
4112 AR=$ar
4113 ARFLAGS=$arflags
4114 AR_O=$ar_o
4115 RANLIB=$ranlib
4116 LN_S=$ln_s
4117 CPPFLAGS=$CPPFLAGS
4118 CFLAGS=$CFLAGS
4119 ASFLAGS=$ASFLAGS
4120 AS_C=$AS_C
4121 AS_O=$AS_O
4122 CC_C=$CC_C
4123 CC_E=$CC_E
4124 CC_O=$CC_O
4125 LD_O=$LD_O
4126 LD_LIB=$LD_LIB
4127 LD_PATH=$LD_PATH
4128 DLLTOOL=$dlltool
4129 LDFLAGS=$LDFLAGS
4130 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
4131 YASMFLAGS=$YASMFLAGS
4132 BUILDSUF=$build_suffix
4133 FULLNAME=$FULLNAME
4134 LIBPREF=$LIBPREF
4135 LIBSUF=$LIBSUF
4136 LIBNAME=$LIBNAME
4137 SLIBPREF=$SLIBPREF
4138 SLIBSUF=$SLIBSUF
4139 EXESUF=$EXESUF
4140 EXTRA_VERSION=$extra_version
4141 CCDEP=$CCDEP
4142 CCDEP_FLAGS=$CCDEP_FLAGS
4143 ASDEP=$ASDEP
4144 ASDEP_FLAGS=$ASDEP_FLAGS
4145 CC_DEPFLAGS=$CC_DEPFLAGS
4146 AS_DEPFLAGS=$AS_DEPFLAGS
4147 HOSTCC=$host_cc
4148 HOSTLD=$host_ld
4149 HOSTCFLAGS=$host_cflags
4150 HOSTCPPFLAGS=$host_cppflags
4151 HOSTEXESUF=$HOSTEXESUF
4152 HOSTLDFLAGS=$host_ldflags
4153 HOSTLIBS=$host_libs
4154 DEPHOSTCC=$host_cc
4155 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
4156 HOSTCCDEP=$HOSTCCDEP
4157 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
4158 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
4159 HOSTCC_C=$HOSTCC_C
4160 HOSTCC_O=$HOSTCC_O
4161 HOSTLD_O=$HOSTLD_O
4162 TARGET_EXEC=$target_exec $target_exec_args
4163 TARGET_PATH=$target_path
4164 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
4165 LIBS-avplay=$sdl_libs
4166 CFLAGS-avplay=$sdl_cflags
4167 ZLIB=$($ldflags_filter -lz)
4168 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
4169 EXTRALIBS=$extralibs
4170 COMPAT_OBJS=$compat_objs
4171 EXEOBJS=$exeobjs
4172 INSTALL=install
4173 LIBTARGET=${LIBTARGET}
4174 SLIBNAME=${SLIBNAME}
4175 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
4176 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
4177 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
4178 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
4179 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
4180 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
4181 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
4182 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
4183 SAMPLES:=${samples:-\$(LIBAV_SAMPLES)}
4184 EOF
4185
4186 get_version(){
4187 lcname=lib${1}
4188 name=$(toupper $lcname)
4189 file=$source_path/$lcname/version.h
4190 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
4191 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4192 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4193 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4194 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
4195 }
4196
4197 map 'get_version $v' $LIBRARY_LIST
4198
4199 cat > $TMPH <<EOF
4200 /* Automatically generated by configure - do not modify! */
4201 #ifndef LIBAV_CONFIG_H
4202 #define LIBAV_CONFIG_H
4203 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
4204 #define LIBAV_LICENSE "$(c_escape $license)"
4205 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
4206 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
4207 #define restrict $_restrict
4208 #define EXTERN_PREFIX "${extern_prefix}"
4209 #define EXTERN_ASM ${extern_prefix}
4210 #define SLIBSUF "$SLIBSUF"
4211 EOF
4212
4213 test -n "$malloc_prefix" &&
4214 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
4215
4216 if enabled yasm; then
4217 append config_files $TMPASM
4218 printf '' >$TMPASM
4219 fi
4220
4221 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
4222
4223 print_config ARCH_ "$config_files" $ARCH_LIST
4224 print_config HAVE_ "$config_files" $HAVE_LIST
4225 print_config CONFIG_ "$config_files" $CONFIG_LIST \
4226 $CONFIG_EXTRA \
4227 $ALL_COMPONENTS \
4228
4229 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
4230
4231 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
4232 cp_if_changed $TMPH config.h
4233 touch .config
4234
4235 enabled yasm && cp_if_changed $TMPASM config.asm
4236
4237 cat > $TMPH <<EOF
4238 /* Generated by ffconf */
4239 #ifndef AVUTIL_AVCONFIG_H
4240 #define AVUTIL_AVCONFIG_H
4241 EOF
4242
4243 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
4244
4245 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
4246
4247 cp_if_changed $TMPH libavutil/avconfig.h
4248
4249 test -n "$WARNINGS" && printf "\n$WARNINGS"
4250
4251 # build pkg-config files
4252
4253 pkgconfig_generate(){
4254 name=$1
4255 shortname=${name#lib}${build_suffix}
4256 comment=$2
4257 version=$3
4258 libs=$4
4259 requires=$5
4260 enabled ${name#lib} || return 0
4261 mkdir -p $name
4262 cat <<EOF > $name/$name.pc
4263 prefix=$prefix
4264 exec_prefix=\${prefix}
4265 libdir=$libdir
4266 includedir=$incdir
4267
4268 Name: $name
4269 Description: $comment
4270 Version: $version
4271 Requires: $(enabled shared || echo $requires)
4272 Requires.private: $(enabled shared && echo $requires)
4273 Conflicts:
4274 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4275 Libs.private: $(enabled shared && echo $libs)
4276 Cflags: -I\${includedir}
4277 EOF
4278 cat <<EOF > $name/$name-uninstalled.pc
4279 prefix=
4280 exec_prefix=
4281 libdir=\${pcfiledir}
4282 includedir=${source_path}
4283
4284 Name: $name
4285 Description: $comment
4286 Version: $version
4287 Requires: $requires
4288 Conflicts:
4289 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
4290 Cflags: -I\${includedir}
4291 EOF
4292 }
4293
4294 lavfi_libs="libavutil = $LIBAVUTIL_VERSION"
4295 enabled movie_filter && prepend lavfi_libs "libavformat >= $LIBAVFORMAT_VERSION, libavcodec >= $LIBAVCODEC_VERSION,"
4296 enabled resample_filter && prepend lavfi_libs "libavresample >= $LIBAVRESAMPLE_VERSION,"
4297 enabled scale_filter && prepend lavfi_libs "libswscale >= $LIBSWSCALE_VERSION,"
4298
4299 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
4300 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
4301 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
4302 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
4303 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$lavfi_libs"
4304 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
4305 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"