549e04cdf2f1daab544fff05423548db5e072c35
[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 --docdir=DIR install documentation in DIR [PREFIX/share/doc/libav]
85 --libdir=DIR install libs in DIR [PREFIX/lib]
86 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
87 --incdir=DIR install includes in DIR [PREFIX/include]
88 --mandir=DIR install man page in DIR [PREFIX/share/man]
89
90 Licensing options:
91 --enable-gpl allow use of GPL code, the resulting libs
92 and binaries will be under GPL [no]
93 --enable-version3 upgrade (L)GPL to version 3 [no]
94 --enable-nonfree allow use of nonfree code, the resulting libs
95 and binaries will be unredistributable [no]
96
97 Configuration options:
98 --disable-static do not build static libraries [no]
99 --enable-shared build shared libraries [no]
100 --enable-small optimize for size instead of speed
101 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
102 --enable-gray enable full grayscale support (slower color)
103 --disable-swscale-alpha disable alpha channel support in swscale
104 --disable-all disable building components, libraries and programs
105
106 Program options:
107 --disable-programs do not build command line programs
108 --disable-avconv disable avconv build
109 --disable-avplay disable avplay build
110 --disable-avprobe disable avprobe build
111 --disable-avserver disable avserver build
112
113 Component options:
114 --disable-doc do not build documentation
115 --disable-avdevice disable libavdevice build
116 --disable-avcodec disable libavcodec build
117 --disable-avformat disable libavformat build
118 --disable-avutil disable libavutil build
119 --disable-swscale disable libswscale build
120 --disable-avfilter disable video filter support [no]
121 --disable-avresample disable libavresample build [no]
122 --disable-pthreads disable pthreads [auto]
123 --disable-w32threads disable Win32 threads [auto]
124 --disable-network disable network support [no]
125 --disable-dct disable DCT code
126 --disable-error-resilience disable error resilience code
127 --disable-lsp disable LSP code
128 --disable-lzo disable LZO decoder code
129 --disable-mdct disable MDCT code
130 --disable-rdft disable RDFT code
131 --disable-fft disable FFT code
132
133 Hardware accelerators:
134 --enable-dxva2 enable DXVA2 code
135 --enable-vaapi enable VAAPI code
136 --enable-vda enable VDA code
137 --enable-vdpau enable VDPAU code
138
139 Individual component options:
140 --disable-everything disable all components listed below
141 --disable-encoder=NAME disable encoder NAME
142 --enable-encoder=NAME enable encoder NAME
143 --disable-encoders disable all encoders
144 --disable-decoder=NAME disable decoder NAME
145 --enable-decoder=NAME enable decoder NAME
146 --disable-decoders disable all decoders
147 --disable-hwaccel=NAME disable hwaccel NAME
148 --enable-hwaccel=NAME enable hwaccel NAME
149 --disable-hwaccels disable all hwaccels
150 --disable-muxer=NAME disable muxer NAME
151 --enable-muxer=NAME enable muxer NAME
152 --disable-muxers disable all muxers
153 --disable-demuxer=NAME disable demuxer NAME
154 --enable-demuxer=NAME enable demuxer NAME
155 --disable-demuxers disable all demuxers
156 --enable-parser=NAME enable parser NAME
157 --disable-parser=NAME disable parser NAME
158 --disable-parsers disable all parsers
159 --enable-bsf=NAME enable bitstream filter NAME
160 --disable-bsf=NAME disable bitstream filter NAME
161 --disable-bsfs disable all bitstream filters
162 --enable-protocol=NAME enable protocol NAME
163 --disable-protocol=NAME disable protocol NAME
164 --disable-protocols disable all protocols
165 --enable-indev=NAME enable input device NAME
166 --disable-indev=NAME disable input device NAME
167 --disable-indevs disable input devices
168 --enable-outdev=NAME enable output device NAME
169 --disable-outdev=NAME disable output device NAME
170 --disable-outdevs disable output devices
171 --disable-devices disable all devices
172 --enable-filter=NAME enable filter NAME
173 --disable-filter=NAME disable filter NAME
174 --disable-filters disable all filters
175
176 External library support:
177 --enable-avisynth enable reading of AviSynth script files [no]
178 --enable-bzlib enable bzlib [autodetect]
179 --enable-frei0r enable frei0r video filtering
180 --enable-gnutls enable gnutls [no]
181 --enable-libcdio enable audio CD grabbing with libcdio
182 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
183 and libraw1394 [no]
184 --enable-libfaac enable AAC encoding via libfaac [no]
185 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
186 --enable-libfreetype enable libfreetype [no]
187 --enable-libgsm enable GSM de/encoding via libgsm [no]
188 --enable-libilbc enable iLBC de/encoding via libilbc [no]
189 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
190 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
191 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
192 --enable-libopencv enable video filtering via libopencv [no]
193 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
194 --enable-libopus enable Opus decoding via libopus [no]
195 --enable-libpulse enable Pulseaudio input via libpulse [no]
196 --enable-librtmp enable RTMP[E] support via librtmp [no]
197 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
198 --enable-libspeex enable Speex de/encoding via libspeex [no]
199 --enable-libtheora enable Theora encoding via libtheora [no]
200 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
201 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
202 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
203 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
204 --enable-libwavpack enable wavpack encoding via libwavpack [no]
205 --enable-libx264 enable H.264 encoding via x264 [no]
206 --enable-libxavs enable AVS encoding via xavs [no]
207 --enable-libxvid enable Xvid encoding via xvidcore,
208 native MPEG-4/Xvid encoder exists [no]
209 --enable-openssl enable openssl [no]
210 --enable-x11grab enable X11 grabbing [no]
211 --enable-zlib enable zlib [autodetect]
212
213 Advanced options (experts only):
214 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
215 --enable-cross-compile assume a cross-compiler is used
216 --sysroot=PATH root of cross-build tree
217 --sysinclude=PATH location of cross-build system headers
218 --target-os=OS compiler targets OS [$target_os]
219 --target-exec=CMD command to run executables on target
220 --target-path=DIR path to view of build directory on target
221 --target-samples=DIR path to samples directory on target
222 --toolchain=NAME set tool defaults according to NAME
223 --nm=NM use nm tool
224 --ar=AR use archive tool AR [$ar_default]
225 --as=AS use assembler AS [$as_default]
226 --cc=CC use C compiler CC [$cc_default]
227 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
228 --ld=LD use linker LD
229 --host-cc=HOSTCC use host C compiler HOSTCC
230 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
231 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
232 --host-ld=HOSTLD use host linker HOSTLD
233 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
234 --host-libs=HLIBS use libs HLIBS when linking for host
235 --host-os=OS compiler host OS [$target_os]
236 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
237 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
238 --extra-libs=ELIBS add ELIBS [$ELIBS]
239 --extra-version=STRING version string suffix []
240 --optflags=OPTFLAGS override optimization-related compiler flags
241 --build-suffix=SUFFIX library name suffix []
242 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
243 --arch=ARCH select architecture [$arch]
244 --cpu=CPU select the minimum required CPU (affects
245 instruction selection, may crash on older CPUs)
246 --enable-pic build position-independent code
247 --enable-sram allow use of on-chip SRAM
248 --enable-thumb compile for Thumb instruction set
249 --disable-symver disable symbol versioning
250 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
251 --disable-safe-bitstream-reader
252 disable buffer boundary checking in bitreaders
253 (faster, but may crash)
254 --enable-memalign-hack emulate memalign, interferes with memory debuggers
255 --enable-lto use link-time optimization
256
257 Optimization options (experts only):
258 --disable-asm disable all assembler optimizations
259 --disable-altivec disable AltiVec optimizations
260 --disable-amd3dnow disable 3DNow! optimizations
261 --disable-amd3dnowext disable 3DNow! extended optimizations
262 --disable-mmx disable MMX optimizations
263 --disable-mmxext disable MMXEXT optimizations
264 --disable-sse disable SSE optimizations
265 --disable-sse2 disable SSE2 optimizations
266 --disable-sse3 disable SSE3 optimizations
267 --disable-ssse3 disable SSSE3 optimizations
268 --disable-sse4 disable SSE4 optimizations
269 --disable-sse42 disable SSE4.2 optimizations
270 --disable-avx disable AVX optimizations
271 --disable-fma4 disable FMA4 optimizations
272 --disable-avx2 disable AVX2 optimizations
273 --disable-armv5te disable armv5te optimizations
274 --disable-armv6 disable armv6 optimizations
275 --disable-armv6t2 disable armv6t2 optimizations
276 --disable-vfp disable VFP optimizations
277 --disable-neon disable NEON optimizations
278 --disable-vis disable VIS optimizations
279 --disable-inline-asm disable use of inline assembler
280 --disable-yasm disable use of yasm assembler
281
282 Developer options (useful when working on Libav itself):
283 --disable-debug disable debugging symbols
284 --enable-debug=LEVEL set the debug level [$debuglevel]
285 --disable-optimizations disable compiler optimizations
286 --enable-extra-warnings enable more compiler warnings
287 --samples=PATH location of test samples for FATE, if not set use
288 \$LIBAV_SAMPLES at make invocation time.
289 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
290 should be used only for debugging purposes)
291 --enable-random randomly enable/disable components
292 --disable-random
293 --enable-random=LIST randomly enable/disable specific components or
294 --disable-random=LIST component groups. LIST is a comma-separated list
295 of NAME[:PROB] entries where NAME is a component
296 (group) and PROB the probability associated with
297 NAME (default 0.5).
298 --random-seed=VALUE seed value for --enable/disable-random
299
300 NOTE: Object files are built at the place where configure is launched.
301 EOF
302 exit 0
303 }
304
305 quotes='""'
306
307 log(){
308 echo "$@" >> $logfile
309 }
310
311 log_file(){
312 log BEGIN $1
313 pr -n -t $1 >> $logfile
314 log END $1
315 }
316
317 echolog(){
318 log "$@"
319 echo "$@"
320 }
321
322 warn(){
323 log "WARNING: $*"
324 WARNINGS="${WARNINGS}WARNING: $*\n"
325 }
326
327 die(){
328 echolog "$@"
329 cat <<EOF
330
331 If you think configure made a mistake, make sure you are using the latest
332 version from Git. If the latest version fails, report the problem to the
333 libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
334 EOF
335 if disabled logging; then
336 cat <<EOF
337 Rerun configure with logging enabled (do not use --disable-logging), and
338 include the log this produces with your report.
339 EOF
340 else
341 cat <<EOF
342 Include the log file "$logfile" produced by configure as this will help
343 solving the problem.
344 EOF
345 fi
346 exit 1
347 }
348
349 # Avoid locale weirdness, besides we really just want to translate ASCII.
350 toupper(){
351 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
352 }
353
354 tolower(){
355 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
356 }
357
358 c_escape(){
359 echo "$*" | sed 's/["\\]/\\\0/g'
360 }
361
362 sh_quote(){
363 v=$(echo "$1" | sed "s/'/'\\\\''/g")
364 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
365 echo "$v"
366 }
367
368 cleanws(){
369 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
370 }
371
372 filter(){
373 pat=$1
374 shift
375 for v; do
376 eval "case $v in $pat) echo $v ;; esac"
377 done
378 }
379
380 filter_out(){
381 pat=$1
382 shift
383 for v; do
384 eval "case $v in $pat) ;; *) echo $v ;; esac"
385 done
386 }
387
388 map(){
389 m=$1
390 shift
391 for v; do eval $m; done
392 }
393
394 add_suffix(){
395 suffix=$1
396 shift
397 for v; do echo ${v}${suffix}; done
398 }
399
400 set_all(){
401 value=$1
402 shift
403 for var in $*; do
404 eval $var=$value
405 done
406 }
407
408 set_weak(){
409 value=$1
410 shift
411 for var; do
412 eval : \${$var:=$value}
413 done
414 }
415
416 sanitize_var_name(){
417 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
418 }
419
420 set_safe(){
421 var=$1
422 shift
423 eval $(sanitize_var_name "$var")='$*'
424 }
425
426 get_safe(){
427 eval echo \$$(sanitize_var_name "$1")
428 }
429
430 pushvar(){
431 for pvar in $*; do
432 eval level=\${${pvar}_level:=0}
433 eval ${pvar}_${level}="\$$pvar"
434 eval ${pvar}_level=$(($level+1))
435 done
436 }
437
438 popvar(){
439 for pvar in $*; do
440 eval level=\${${pvar}_level:-0}
441 test $level = 0 && continue
442 eval level=$(($level-1))
443 eval $pvar="\${${pvar}_${level}}"
444 eval ${pvar}_level=$level
445 eval unset ${pvar}_${level}
446 done
447 }
448
449 enable(){
450 set_all yes $*
451 }
452
453 disable(){
454 set_all no $*
455 }
456
457 enable_weak(){
458 set_weak yes $*
459 }
460
461 disable_weak(){
462 set_weak no $*
463 }
464
465 enable_safe(){
466 for var; do
467 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
468 done
469 }
470
471 disable_safe(){
472 for var; do
473 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
474 done
475 }
476
477 do_enable_deep(){
478 for var; do
479 enabled $var && continue
480 eval sel="\$${var}_select"
481 eval sgs="\$${var}_suggest"
482 pushvar var sgs
483 enable_deep $sel
484 popvar sgs
485 enable_deep_weak $sgs
486 popvar var
487 done
488 }
489
490 enable_deep(){
491 do_enable_deep $*
492 enable $*
493 }
494
495 enable_deep_weak(){
496 for var; do
497 disabled $var && continue
498 pushvar var
499 do_enable_deep $var
500 popvar var
501 enable_weak $var
502 done
503 }
504
505 enabled(){
506 test "${1#!}" = "$1" && op== || op=!=
507 eval test "x\$${1#!}" $op "xyes"
508 }
509
510 disabled(){
511 test "${1#!}" = "$1" && op== || op=!=
512 eval test "x\$${1#!}" $op "xno"
513 }
514
515 enabled_all(){
516 for opt; do
517 enabled $opt || return 1
518 done
519 }
520
521 disabled_all(){
522 for opt; do
523 disabled $opt || return 1
524 done
525 }
526
527 enabled_any(){
528 for opt; do
529 enabled $opt && return 0
530 done
531 }
532
533 disabled_any(){
534 for opt; do
535 disabled $opt && return 0
536 done
537 return 1
538 }
539
540 set_default(){
541 for opt; do
542 eval : \${$opt:=\$${opt}_default}
543 done
544 }
545
546 is_in(){
547 value=$1
548 shift
549 for var in $*; do
550 [ $var = $value ] && return 0
551 done
552 return 1
553 }
554
555 do_check_deps(){
556 for cfg; do
557 cfg="${cfg#!}"
558 enabled ${cfg}_checking && die "Circular dependency for $cfg."
559 disabled ${cfg}_checking && continue
560 enable ${cfg}_checking
561 append allopts $cfg
562
563 eval dep_all="\$${cfg}_deps"
564 eval dep_any="\$${cfg}_deps_any"
565 eval dep_sel="\$${cfg}_select"
566 eval dep_sgs="\$${cfg}_suggest"
567 eval dep_ifa="\$${cfg}_if"
568 eval dep_ifn="\$${cfg}_if_any"
569
570 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
571 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
572 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
573
574 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
575 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
576 enabled_all $dep_all || disable $cfg
577 enabled_any $dep_any || disable $cfg
578 disabled_any $dep_sel && disable $cfg
579
580 if enabled $cfg; then
581 enable_deep $dep_sel
582 enable_deep_weak $dep_sgs
583 fi
584
585 disable ${cfg}_checking
586 done
587 }
588
589 check_deps(){
590 unset allopts
591
592 do_check_deps "$@"
593
594 for cfg in $allopts; do
595 enabled $cfg || continue
596 eval dep_extralibs="\$${cfg}_extralibs"
597 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
598 done
599 }
600
601 print_config(){
602 pfx=$1
603 files=$2
604 shift 2
605 map 'eval echo "$v \${$v:-no}"' "$@" |
606 awk "BEGIN { split(\"$files\", files) }
607 {
608 c = \"$pfx\" toupper(\$1);
609 v = \$2;
610 sub(/yes/, 1, v);
611 sub(/no/, 0, v);
612 for (f in files) {
613 file = files[f];
614 if (file ~ /\\.h\$/) {
615 printf(\"#define %s %d\\n\", c, v) >>file;
616 } else if (file ~ /\\.asm\$/) {
617 printf(\"%%define %s %d\\n\", c, v) >>file;
618 } else if (file ~ /\\.mak\$/) {
619 n = -v ? \"\" : \"!\";
620 printf(\"%s%s=yes\\n\", n, c) >>file;
621 }
622 }
623 }"
624 }
625
626 print_enabled(){
627 suf=$1
628 shift
629 for v; do
630 enabled $v && printf "%s\n" ${v%$suf};
631 done
632 }
633
634 append(){
635 var=$1
636 shift
637 eval "$var=\"\$$var $*\""
638 }
639
640 prepend(){
641 var=$1
642 shift
643 eval "$var=\"$* \$$var\""
644 }
645
646 add_cppflags(){
647 append CPPFLAGS "$@"
648 }
649
650 add_cflags(){
651 append CFLAGS $($cflags_filter "$@")
652 }
653
654 add_asflags(){
655 append ASFLAGS $($asflags_filter "$@")
656 }
657
658 add_ldflags(){
659 append LDFLAGS $($ldflags_filter "$@")
660 }
661
662 add_extralibs(){
663 prepend extralibs $($ldflags_filter "$@")
664 }
665
666 add_host_cppflags(){
667 append host_cppflags "$@"
668 }
669
670 add_host_cflags(){
671 append host_cflags $($host_cflags_filter "$@")
672 }
673
674 add_host_ldflags(){
675 append host_ldflags $($host_ldflags_filter "$@")
676 }
677
678 add_compat(){
679 append compat_objs $1
680 shift
681 map 'add_cppflags -D$v' "$@"
682 }
683
684 check_cmd(){
685 log "$@"
686 "$@" >> $logfile 2>&1
687 }
688
689 cc_o(){
690 eval printf '%s\\n' $CC_O
691 }
692
693 cc_e(){
694 eval printf '%s\\n' $CC_E
695 }
696
697 check_cc(){
698 log check_cc "$@"
699 cat > $TMPC
700 log_file $TMPC
701 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
702 }
703
704 check_cpp(){
705 log check_cpp "$@"
706 cat > $TMPC
707 log_file $TMPC
708 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
709 }
710
711 as_o(){
712 eval printf '%s\\n' $AS_O
713 }
714
715 check_as(){
716 log check_as "$@"
717 cat > $TMPS
718 log_file $TMPS
719 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
720 }
721
722 check_inline_asm(){
723 log check_inline_asm "$@"
724 name="$1"
725 code="$2"
726 shift 2
727 disable $name
728 check_cc "$@" <<EOF && enable $name
729 void foo(void){ __asm__ volatile($code); }
730 EOF
731 }
732
733 check_insn(){
734 log check_insn "$@"
735 check_inline_asm ${1}_inline "\"$2\""
736 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
737 }
738
739 check_yasm(){
740 log check_yasm "$@"
741 echo "$1" > $TMPS
742 log_file $TMPS
743 shift 1
744 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
745 }
746
747 ld_o(){
748 eval printf '%s\\n' $LD_O
749 }
750
751 check_ld(){
752 log check_ld "$@"
753 flags=$(filter_out '-l*' "$@")
754 libs=$(filter '-l*' "$@")
755 check_cc $($cflags_filter $flags) || return
756 flags=$($ldflags_filter $flags)
757 libs=$($ldflags_filter $libs)
758 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
759 }
760
761 check_code(){
762 log check_code "$@"
763 check=$1
764 headers=$2
765 code=$3
766 shift 3
767 {
768 for hdr in $headers; do
769 echo "#include <$hdr>"
770 done
771 echo "int main(void) { $code; return 0; }"
772 } | check_$check "$@"
773 }
774
775 check_cppflags(){
776 log check_cppflags "$@"
777 check_cc "$@" <<EOF && append CPPFLAGS "$@"
778 int x;
779 EOF
780 }
781
782 test_cflags(){
783 log test_cflags "$@"
784 set -- $($cflags_filter "$@")
785 check_cc "$@" <<EOF
786 int x;
787 EOF
788 }
789
790 check_cflags(){
791 log check_cflags "$@"
792 test_cflags "$@" && add_cflags "$@"
793 }
794
795 test_ldflags(){
796 log test_ldflags "$@"
797 check_ld "$@" <<EOF
798 int main(void){ return 0; }
799 EOF
800 }
801
802 check_ldflags(){
803 log check_ldflags "$@"
804 test_ldflags "$@" && add_ldflags "$@"
805 }
806
807 check_header(){
808 log check_header "$@"
809 header=$1
810 shift
811 disable_safe $header
812 check_cpp "$@" <<EOF && enable_safe $header
813 #include <$header>
814 int x;
815 EOF
816 }
817
818 check_func(){
819 log check_func "$@"
820 func=$1
821 shift
822 disable $func
823 check_ld "$@" <<EOF && enable $func
824 extern int $func();
825 int main(void){ $func(); }
826 EOF
827 }
828
829 check_mathfunc(){
830 log check_mathfunc "$@"
831 func=$1
832 narg=$2
833 shift 2
834 test $narg = 2 && args="f, g" || args="f"
835 disable $func
836 check_ld "$@" <<EOF && enable $func
837 #include <math.h>
838 float foo(float f, float g) { return $func($args); }
839 int main(void){ return 0; }
840 EOF
841 }
842
843 check_func_headers(){
844 log check_func_headers "$@"
845 headers=$1
846 funcs=$2
847 shift 2
848 {
849 for hdr in $headers; do
850 echo "#include <$hdr>"
851 done
852 for func in $funcs; do
853 echo "long check_$func(void) { return (long) $func; }"
854 done
855 echo "int main(void) { return 0; }"
856 } | check_ld "$@" && enable $funcs && enable_safe $headers
857 }
858
859 check_cpp_condition(){
860 log check_cpp_condition "$@"
861 header=$1
862 condition=$2
863 shift 2
864 check_cpp "$@" <<EOF
865 #include <$header>
866 #if !($condition)
867 #error "unsatisfied condition: $condition"
868 #endif
869 EOF
870 }
871
872 check_lib(){
873 log check_lib "$@"
874 header="$1"
875 func="$2"
876 shift 2
877 check_header $header && check_func $func "$@" && add_extralibs "$@"
878 }
879
880 check_lib2(){
881 log check_lib2 "$@"
882 headers="$1"
883 funcs="$2"
884 shift 2
885 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
886 }
887
888 check_pkg_config(){
889 log check_pkg_config "$@"
890 pkg="$1"
891 headers="$2"
892 funcs="$3"
893 shift 3
894 check_cmd $pkg_config --exists --print-errors $pkg || return
895 pkg_cflags=$($pkg_config --cflags $pkg)
896 pkg_libs=$($pkg_config --libs $pkg)
897 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
898 set_safe ${pkg}_cflags $pkg_cflags &&
899 set_safe ${pkg}_libs $pkg_libs
900 }
901
902 check_exec(){
903 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
904 }
905
906 check_exec_crash(){
907 code=$(cat)
908
909 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
910 # are safe but may not be available everywhere. Thus we use
911 # raise(SIGTERM) instead. The check is run in a subshell so we
912 # can redirect the "Terminated" message from the shell. SIGBUS
913 # is not defined by standard C so it is used conditionally.
914
915 (check_exec "$@") >> $logfile 2>&1 <<EOF
916 #include <signal.h>
917 static void sighandler(int sig){
918 raise(SIGTERM);
919 }
920 int foo(void){
921 $code
922 }
923 int (*func_ptr)(void) = foo;
924 int main(void){
925 signal(SIGILL, sighandler);
926 signal(SIGFPE, sighandler);
927 signal(SIGSEGV, sighandler);
928 #ifdef SIGBUS
929 signal(SIGBUS, sighandler);
930 #endif
931 return func_ptr();
932 }
933 EOF
934 }
935
936 check_type(){
937 log check_type "$@"
938 headers=$1
939 type=$2
940 shift 2
941 disable_safe "$type"
942 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
943 }
944
945 check_struct(){
946 log check_struct "$@"
947 headers=$1
948 struct=$2
949 member=$3
950 shift 3
951 disable_safe "${struct}_${member}"
952 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
953 enable_safe "${struct}_${member}"
954 }
955
956 check_builtin(){
957 log check_builtin "$@"
958 name=$1
959 headers=$2
960 builtin=$3
961 shift 3
962 disable "$name"
963 check_code ld "$headers" "$builtin" "$@" && enable "$name"
964 }
965
966 require(){
967 name="$1"
968 header="$2"
969 func="$3"
970 shift 3
971 check_lib $header $func "$@" || die "ERROR: $name not found"
972 }
973
974 require2(){
975 name="$1"
976 headers="$2"
977 func="$3"
978 shift 3
979 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
980 }
981
982 require_pkg_config(){
983 pkg="$1"
984 check_pkg_config "$@" || die "ERROR: $pkg not found"
985 add_cflags $(get_safe ${pkg}_cflags)
986 add_extralibs $(get_safe ${pkg}_libs)
987 }
988
989 hostcc_o(){
990 eval printf '%s\\n' $HOSTCC_O
991 }
992
993 check_host_cc(){
994 log check_host_cc "$@"
995 cat > $TMPC
996 log_file $TMPC
997 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
998 }
999
1000 check_host_cppflags(){
1001 log check_host_cppflags "$@"
1002 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1003 int x;
1004 EOF
1005 }
1006
1007 check_host_cflags(){
1008 log check_host_cflags "$@"
1009 set -- $($host_cflags_filter "$@")
1010 check_host_cc "$@" <<EOF && append host_cflags "$@"
1011 int x;
1012 EOF
1013 }
1014
1015 apply(){
1016 file=$1
1017 shift
1018 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1019 }
1020
1021 cp_if_changed(){
1022 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1023 mkdir -p "$(dirname $2)"
1024 $cp_f "$1" "$2"
1025 }
1026
1027 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1028 # system-dependent things.
1029
1030 COMPONENT_LIST="
1031 bsfs
1032 decoders
1033 demuxers
1034 encoders
1035 filters
1036 hwaccels
1037 indevs
1038 muxers
1039 outdevs
1040 parsers
1041 protocols
1042 "
1043
1044 EXTERNAL_LIBRARY_LIST="
1045 avisynth
1046 bzlib
1047 frei0r
1048 gnutls
1049 libcdio
1050 libdc1394
1051 libfaac
1052 libfdk_aac
1053 libfreetype
1054 libgsm
1055 libilbc
1056 libmp3lame
1057 libopencore_amrnb
1058 libopencore_amrwb
1059 libopencv
1060 libopenjpeg
1061 libopus
1062 libpulse
1063 librtmp
1064 libschroedinger
1065 libspeex
1066 libtheora
1067 libvo_aacenc
1068 libvo_amrwbenc
1069 libvorbis
1070 libvpx
1071 libwavpack
1072 libx264
1073 libxavs
1074 libxvid
1075 openssl
1076 x11grab
1077 zlib
1078 "
1079
1080 HWACCEL_LIST="
1081 dxva2
1082 vaapi
1083 vda
1084 vdpau
1085 "
1086 LIBRARY_LIST="
1087 avcodec
1088 avdevice
1089 avfilter
1090 avformat
1091 avresample
1092 avutil
1093 swscale
1094 "
1095
1096 PROGRAM_LIST="
1097 avconv
1098 avplay
1099 avprobe
1100 avserver
1101 "
1102
1103 CONFIG_LIST="
1104 $COMPONENT_LIST
1105 $EXTERNAL_LIBRARY_LIST
1106 $HWACCEL_LIST
1107 $LIBRARY_LIST
1108 $PROGRAM_LIST
1109 dct
1110 doc
1111 error_resilience
1112 fft
1113 gpl
1114 gray
1115 hardcoded_tables
1116 lsp
1117 lzo
1118 mdct
1119 memalign_hack
1120 network
1121 nonfree
1122 pic
1123 rdft
1124 runtime_cpudetect
1125 safe_bitstream_reader
1126 shared
1127 small
1128 sram
1129 static
1130 swscale_alpha
1131 thumb
1132 version3
1133 xmm_clobber_test
1134 "
1135
1136 THREADS_LIST='
1137 pthreads
1138 w32threads
1139 '
1140
1141 ATOMICS_LIST='
1142 atomics_gcc
1143 atomics_suncc
1144 atomics_win32
1145 '
1146
1147 ARCH_LIST='
1148 aarch64
1149 alpha
1150 arm
1151 avr32
1152 avr32_ap
1153 avr32_uc
1154 bfin
1155 ia64
1156 m68k
1157 mips
1158 mips64
1159 parisc
1160 ppc
1161 ppc64
1162 s390
1163 sh4
1164 sparc
1165 sparc64
1166 tilegx
1167 tilepro
1168 tomi
1169 x86
1170 x86_32
1171 x86_64
1172 '
1173
1174 ARCH_EXT_LIST_ARM='
1175 armv5te
1176 armv6
1177 armv6t2
1178 neon
1179 vfp
1180 vfpv3
1181 '
1182
1183 ARCH_EXT_LIST_X86='
1184 amd3dnow
1185 amd3dnowext
1186 avx
1187 avx2
1188 fma4
1189 i686
1190 mmx
1191 mmxext
1192 sse
1193 sse2
1194 sse3
1195 sse4
1196 sse42
1197 ssse3
1198 '
1199
1200 ARCH_EXT_LIST="
1201 $ARCH_EXT_LIST_ARM
1202 $ARCH_EXT_LIST_X86
1203 altivec
1204 ppc4xx
1205 vis
1206 "
1207
1208 HAVE_LIST_CMDLINE='
1209 inline_asm
1210 symver
1211 yasm
1212 '
1213
1214 HAVE_LIST_PUB='
1215 bigendian
1216 fast_unaligned
1217 '
1218
1219 MATH_FUNCS="
1220 atanf
1221 atan2f
1222 cbrtf
1223 cosf
1224 exp2
1225 exp2f
1226 expf
1227 isinf
1228 isnan
1229 ldexpf
1230 llrint
1231 llrintf
1232 log2
1233 log2f
1234 log10f
1235 lrint
1236 lrintf
1237 powf
1238 rint
1239 round
1240 roundf
1241 sinf
1242 trunc
1243 truncf
1244 "
1245
1246 HAVE_LIST="
1247 $ARCH_EXT_LIST
1248 $(add_suffix _external $ARCH_EXT_LIST)
1249 $(add_suffix _inline $ARCH_EXT_LIST)
1250 $HAVE_LIST_CMDLINE
1251 $HAVE_LIST_PUB
1252 $THREADS_LIST
1253 $ATOMICS_LIST
1254 $MATH_FUNCS
1255 aligned_malloc
1256 aligned_stack
1257 alsa_asoundlib_h
1258 altivec_h
1259 arpa_inet_h
1260 asm_mod_q
1261 asm_mod_y
1262 atomic_cas_ptr
1263 atomics_native
1264 attribute_may_alias
1265 attribute_packed
1266 cdio_paranoia_h
1267 cdio_paranoia_paranoia_h
1268 closesocket
1269 CommandLineToArgvW
1270 cpunop
1271 CryptGenRandom
1272 dcbzl
1273 dev_bktr_ioctl_bt848_h
1274 dev_bktr_ioctl_meteor_h
1275 dev_ic_bt8xx_h
1276 dev_video_bktr_ioctl_bt848_h
1277 dev_video_meteor_ioctl_meteor_h
1278 direct_h
1279 dlfcn_h
1280 dlopen
1281 dos_paths
1282 dxva_h
1283 ebp_available
1284 ebx_available
1285 fast_64bit
1286 fast_clz
1287 fast_cmov
1288 fcntl
1289 fork
1290 getaddrinfo
1291 gethrtime
1292 getopt
1293 GetProcessAffinityMask
1294 GetProcessMemoryInfo
1295 GetProcessTimes
1296 GetSystemTimeAsFileTime
1297 getrusage
1298 getservbyport
1299 gettimeofday
1300 gnu_as
1301 gsm_h
1302 ibm_asm
1303 inet_aton
1304 io_h
1305 inline_asm_labels
1306 isatty
1307 jack_port_get_latency_range
1308 ldbrx
1309 libdc1394_1
1310 libdc1394_2
1311 local_aligned_16
1312 local_aligned_8
1313 localtime_r
1314 loongson
1315 machine_ioctl_bt848_h
1316 machine_ioctl_meteor_h
1317 machine_rw_barrier
1318 malloc_h
1319 MapViewOfFile
1320 memalign
1321 MemoryBarrier
1322 mkstemp
1323 mm_empty
1324 mmap
1325 mprotect
1326 msvcrt
1327 nanosleep
1328 poll_h
1329 posix_memalign
1330 pragma_deprecated
1331 rdtsc
1332 sched_getaffinity
1333 sdl
1334 SetConsoleTextAttribute
1335 setmode
1336 setrlimit
1337 Sleep
1338 sndio_h
1339 socklen_t
1340 soundcard_h
1341 strerror_r
1342 strptime
1343 strtok_r
1344 struct_addrinfo
1345 struct_group_source_req
1346 struct_ip_mreq_source
1347 struct_ipv6_mreq
1348 struct_pollfd
1349 struct_rusage_ru_maxrss
1350 struct_sockaddr_in6
1351 struct_sockaddr_sa_len
1352 struct_sockaddr_storage
1353 struct_v4l2_frmivalenum_discrete
1354 symver_asm_label
1355 symver_gnu_asm
1356 sync_val_compare_and_swap
1357 sysconf
1358 sysctl
1359 sys_mman_h
1360 sys_param_h
1361 sys_resource_h
1362 sys_select_h
1363 sys_soundcard_h
1364 sys_time_h
1365 sys_un_h
1366 sys_videoio_h
1367 threads
1368 unistd_h
1369 usleep
1370 vfp_args
1371 VirtualAlloc
1372 windows_h
1373 winsock2_h
1374 xform_asm
1375 xmm_clobbers
1376 "
1377
1378 # options emitted with CONFIG_ prefix but not available on the command line
1379 CONFIG_EXTRA="
1380 aandcttables
1381 ac3dsp
1382 audio_frame_queue
1383 dsputil
1384 gcrypt
1385 golomb
1386 gplv3
1387 h264chroma
1388 h264dsp
1389 h264pred
1390 h264qpel
1391 hpeldsp
1392 huffman
1393 lgplv3
1394 lpc
1395 mpegaudio
1396 mpegaudiodsp
1397 mpegvideo
1398 mpegvideoenc
1399 nettle
1400 rangecoder
1401 riffdec
1402 riffenc
1403 rtpdec
1404 rtpenc_chain
1405 sinewin
1406 videodsp
1407 vp3dsp
1408 "
1409
1410 CMDLINE_SELECT="
1411 $ARCH_EXT_LIST
1412 $CONFIG_LIST
1413 $HAVE_LIST_CMDLINE
1414 $THREADS_LIST
1415 asm
1416 cross_compile
1417 debug
1418 extra_warnings
1419 logging
1420 lto
1421 optimizations
1422 "
1423
1424 PATHS_LIST='
1425 bindir
1426 datadir
1427 docdir
1428 incdir
1429 libdir
1430 mandir
1431 prefix
1432 shlibdir
1433 '
1434
1435 CMDLINE_SET="
1436 $PATHS_LIST
1437 ar
1438 arch
1439 as
1440 build_suffix
1441 cc
1442 cpu
1443 cross_prefix
1444 dep_cc
1445 extra_version
1446 host_cc
1447 host_cflags
1448 host_ld
1449 host_ldflags
1450 host_libs
1451 host_os
1452 ld
1453 logfile
1454 malloc_prefix
1455 nm
1456 optflags
1457 pkg_config
1458 random_seed
1459 samples
1460 sysinclude
1461 sysroot
1462 target_exec
1463 target_os
1464 target_path
1465 target_samples
1466 toolchain
1467 "
1468
1469 CMDLINE_APPEND="
1470 extra_cflags
1471 host_cppflags
1472 "
1473
1474 # code dependency declarations
1475
1476 # architecture extensions
1477
1478 armv5te_deps="arm"
1479 armv6_deps="arm"
1480 armv6t2_deps="arm"
1481 neon_deps="arm"
1482 vfp_deps="arm"
1483 vfpv3_deps="vfp"
1484
1485 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1486
1487 altivec_deps="ppc"
1488 ppc4xx_deps="ppc"
1489
1490 vis_deps="sparc"
1491
1492 cpunop_deps="i686"
1493 x86_64_select="i686"
1494 x86_64_suggest="fast_cmov"
1495
1496 amd3dnow_deps="mmx"
1497 amd3dnowext_deps="amd3dnow"
1498 mmx_deps="x86"
1499 mmxext_deps="mmx"
1500 sse_deps="mmxext"
1501 sse2_deps="sse"
1502 sse3_deps="sse2"
1503 ssse3_deps="sse3"
1504 sse4_deps="ssse3"
1505 sse42_deps="sse4"
1506 avx_deps="sse42"
1507 fma4_deps="avx"
1508 avx2_deps="avx"
1509
1510 mmx_external_deps="yasm"
1511 mmx_inline_deps="inline_asm"
1512 mmx_suggest="mmx_external mmx_inline"
1513
1514 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1515 eval dep=\$${ext}_deps
1516 eval ${ext}_external_deps='"${dep}_external"'
1517 eval ${ext}_inline_deps='"${dep}_inline"'
1518 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1519 done
1520
1521 aligned_stack_if_any="ppc x86"
1522 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1523 fast_clz_if_any="alpha avr32 mips ppc x86"
1524 fast_unaligned_if_any="ppc x86"
1525
1526 inline_asm_deps="!tms470"
1527 need_memalign="altivec neon sse"
1528
1529 symver_if_any="symver_asm_label symver_gnu_asm"
1530
1531 log2_deps="!msvcrt"
1532
1533 # subsystems
1534 dct_select="rdft"
1535 error_resilience_select="dsputil"
1536 lpc_select="dsputil"
1537 mdct_select="fft"
1538 rdft_select="fft"
1539 mpegaudio_select="mpegaudiodsp"
1540 mpegaudiodsp_select="dct"
1541 mpegvideo_select="dsputil hpeldsp videodsp"
1542 mpegvideoenc_select="mpegvideo"
1543
1544 # decoders / encoders
1545 aac_decoder_select="mdct sinewin"
1546 aac_encoder_select="audio_frame_queue mdct sinewin"
1547 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1548 ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
1549 ac3_encoder_select="mdct ac3dsp dsputil"
1550 ac3_fixed_encoder_select="mdct ac3dsp dsputil"
1551 aic_decoder_select="dsputil golomb"
1552 alac_encoder_select="lpc"
1553 als_decoder_select="dsputil"
1554 amrnb_decoder_select="lsp"
1555 amrwb_decoder_select="lsp"
1556 amv_decoder_select="dsputil hpeldsp"
1557 ape_decoder_select="dsputil"
1558 asv1_decoder_select="dsputil"
1559 asv1_encoder_select="dsputil"
1560 asv2_decoder_select="dsputil"
1561 asv2_encoder_select="dsputil"
1562 atrac1_decoder_select="mdct sinewin"
1563 atrac3_decoder_select="mdct"
1564 bink_decoder_select="dsputil hpeldsp"
1565 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1566 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1567 cavs_decoder_select="dsputil golomb h264chroma videodsp"
1568 cllc_decoder_select="dsputil"
1569 comfortnoise_encoder_select="lpc"
1570 cook_decoder_select="dsputil mdct sinewin"
1571 cscd_decoder_select="lzo"
1572 cscd_decoder_suggest="zlib"
1573 dca_decoder_select="mdct"
1574 dnxhd_decoder_select="dsputil"
1575 dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
1576 dvvideo_decoder_select="dsputil"
1577 dvvideo_encoder_select="dsputil"
1578 dxa_decoder_deps="zlib"
1579 eac3_decoder_select="ac3_decoder"
1580 eac3_encoder_select="ac3_encoder"
1581 eamad_decoder_select="aandcttables dsputil mpegvideo"
1582 eatgq_decoder_select="aandcttables dsputil"
1583 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1584 ffv1_decoder_select="dsputil golomb rangecoder"
1585 ffv1_encoder_select="dsputil rangecoder"
1586 ffvhuff_decoder_select="dsputil"
1587 ffvhuff_encoder_select="dsputil huffman"
1588 flac_decoder_select="golomb"
1589 flac_encoder_select="dsputil golomb lpc"
1590 flashsv_decoder_deps="zlib"
1591 flashsv_encoder_deps="zlib"
1592 flashsv2_decoder_deps="zlib"
1593 flv_decoder_select="h263_decoder"
1594 flv_encoder_select="h263_encoder"
1595 fourxm_decoder_select="dsputil"
1596 fraps_decoder_select="dsputil huffman"
1597 g2m_decoder_deps="zlib"
1598 g2m_decoder_select="dsputil"
1599 h261_decoder_select="error_resilience mpegvideo"
1600 h261_encoder_select="aandcttables mpegvideoenc"
1601 h263_decoder_select="error_resilience h263_parser mpegvideo"
1602 h263_encoder_select="aandcttables mpegvideoenc"
1603 h263i_decoder_select="h263_decoder"
1604 h263p_encoder_select="h263_encoder"
1605 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1606 h264_decoder_suggest="error_resilience"
1607 hevc_decoder_select="dsputil golomb videodsp"
1608 huffyuv_decoder_select="dsputil"
1609 huffyuv_encoder_select="dsputil huffman"
1610 iac_decoder_select="dsputil fft mdct sinewin"
1611 imc_decoder_select="dsputil fft mdct sinewin"
1612 indeo3_decoder_select="hpeldsp"
1613 interplay_video_decoder_select="hpeldsp"
1614 jpegls_decoder_select="dsputil golomb hpeldsp"
1615 jpegls_encoder_select="golomb"
1616 jv_decoder_select="dsputil"
1617 lagarith_decoder_select="dsputil"
1618 ljpeg_encoder_select="aandcttables mpegvideoenc"
1619 loco_decoder_select="golomb"
1620 mdec_decoder_select="dsputil error_resilience mpegvideo"
1621 metasound_decoder_select="lsp mdct sinewin"
1622 mimic_decoder_select="dsputil hpeldsp"
1623 mjpeg_decoder_select="dsputil hpeldsp"
1624 mjpegb_decoder_select="dsputil hpeldsp"
1625 mjpeg_encoder_select="aandcttables dsputil mpegvideoenc"
1626 mlp_decoder_select="dsputil mlp_parser"
1627 motionpixels_decoder_select="dsputil"
1628 mp1_decoder_select="mpegaudio"
1629 mp1float_decoder_select="mpegaudio"
1630 mp2_decoder_select="mpegaudio"
1631 mp2float_decoder_select="mpegaudio"
1632 mp3_decoder_select="mpegaudio"
1633 mp3adu_decoder_select="mpegaudio"
1634 mp3adufloat_decoder_select="mpegaudio"
1635 mp3float_decoder_select="mpegaudio"
1636 mp3on4_decoder_select="mpegaudio"
1637 mp3on4float_decoder_select="mpegaudio"
1638 mpc7_decoder_select="dsputil mpegaudiodsp"
1639 mpc8_decoder_select="dsputil mpegaudiodsp"
1640 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1641 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1642 mpeg1video_decoder_select="error_resilience mpegvideo"
1643 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1644 mpeg2video_decoder_select="error_resilience mpegvideo"
1645 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1646 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1647 mpeg4_encoder_select="h263_encoder"
1648 msmpeg4v1_decoder_select="h263_decoder"
1649 msmpeg4v2_decoder_select="h263_decoder"
1650 msmpeg4v2_encoder_select="h263_encoder"
1651 msmpeg4v3_decoder_select="h263_decoder"
1652 msmpeg4v3_encoder_select="h263_encoder"
1653 mss2_decoder_select="error_resilience vc1_decoder"
1654 mxpeg_decoder_select="dsputil hpeldsp"
1655 nellymoser_decoder_select="mdct sinewin"
1656 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1657 nuv_decoder_select="dsputil lzo"
1658 png_decoder_deps="zlib"
1659 png_decoder_select="dsputil"
1660 png_encoder_deps="zlib"
1661 png_encoder_select="dsputil"
1662 prores_decoder_select="dsputil"
1663 prores_encoder_select="dsputil"
1664 qcelp_decoder_select="lsp"
1665 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1666 ra_144_encoder_select="audio_frame_queue lpc"
1667 ralf_decoder_select="golomb"
1668 rv10_decoder_select="error_resilience h263_decoder"
1669 rv10_encoder_select="h263_encoder"
1670 rv20_decoder_select="error_resilience h263_decoder"
1671 rv20_encoder_select="h263_encoder"
1672 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1673 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1674 shorten_decoder_select="golomb"
1675 sipr_decoder_select="lsp"
1676 sp5x_decoder_select="dsputil hpeldsp"
1677 svq1_decoder_select="hpeldsp"
1678 svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
1679 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel hpeldsp mpegvideo videodsp"
1680 svq3_decoder_suggest="error_resilience zlib"
1681 tak_decoder_select="dsputil"
1682 theora_decoder_select="vp3_decoder"
1683 tiff_decoder_suggest="zlib"
1684 tiff_encoder_suggest="zlib"
1685 thp_decoder_select="dsputil hpeldsp"
1686 truehd_decoder_select="mlp_decoder"
1687 truemotion2_decoder_select="dsputil"
1688 truespeech_decoder_select="dsputil"
1689 tscc_decoder_deps="zlib"
1690 twinvq_decoder_select="mdct lsp sinewin"
1691 utvideo_decoder_select="dsputil"
1692 utvideo_encoder_select="dsputil huffman"
1693 vble_decoder_select="dsputil"
1694 vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel"
1695 vc1image_decoder_select="vc1_decoder"
1696 vorbis_decoder_select="mdct"
1697 vorbis_encoder_select="mdct"
1698 vp3_decoder_select="hpeldsp vp3dsp videodsp"
1699 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
1700 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
1701 vp6a_decoder_select="vp6_decoder"
1702 vp6f_decoder_select="vp6_decoder"
1703 vp8_decoder_select="h264pred videodsp"
1704 webp_decoder_select="vp8_decoder"
1705 wmapro_decoder_select="mdct sinewin"
1706 wmav1_decoder_select="mdct sinewin"
1707 wmav1_encoder_select="mdct sinewin"
1708 wmav2_decoder_select="mdct sinewin"
1709 wmav2_encoder_select="mdct sinewin"
1710 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1711 wmv1_decoder_select="h263_decoder"
1712 wmv1_encoder_select="h263_encoder"
1713 wmv2_decoder_select="h263_decoder videodsp"
1714 wmv2_encoder_select="h263_encoder"
1715 wmv3_decoder_select="vc1_decoder"
1716 wmv3image_decoder_select="wmv3_decoder"
1717 zerocodec_decoder_deps="zlib"
1718 zlib_decoder_deps="zlib"
1719 zlib_encoder_deps="zlib"
1720 zmbv_decoder_deps="zlib"
1721 zmbv_encoder_deps="zlib"
1722
1723 # hardware accelerators
1724 dxva2_deps="dxva2api_h"
1725 vaapi_deps="va_va_h"
1726 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1727 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
1728 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1729
1730 h263_vaapi_hwaccel_deps="vaapi"
1731 h263_vaapi_hwaccel_select="h263_decoder"
1732 h263_vdpau_hwaccel_deps="vdpau"
1733 h263_vdpau_hwaccel_select="h263_decoder"
1734 h264_dxva2_hwaccel_deps="dxva2"
1735 h264_dxva2_hwaccel_select="h264_decoder"
1736 h264_vaapi_hwaccel_deps="vaapi"
1737 h264_vaapi_hwaccel_select="h264_decoder"
1738 h264_vda_hwaccel_deps="vda"
1739 h264_vda_hwaccel_select="h264_decoder"
1740 h264_vdpau_hwaccel_deps="vdpau"
1741 h264_vdpau_hwaccel_select="h264_decoder"
1742 mpeg1_vdpau_hwaccel_deps="vdpau"
1743 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
1744 mpeg2_dxva2_hwaccel_deps="dxva2"
1745 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
1746 mpeg2_vaapi_hwaccel_deps="vaapi"
1747 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
1748 mpeg2_vdpau_hwaccel_deps="vdpau"
1749 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
1750 mpeg4_vaapi_hwaccel_deps="vaapi"
1751 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
1752 mpeg4_vdpau_hwaccel_deps="vdpau"
1753 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
1754 vc1_dxva2_hwaccel_deps="dxva2"
1755 vc1_dxva2_hwaccel_select="vc1_decoder"
1756 vc1_vaapi_hwaccel_deps="vaapi"
1757 vc1_vaapi_hwaccel_select="vc1_decoder"
1758 vc1_vdpau_hwaccel_deps="vdpau"
1759 vc1_vdpau_hwaccel_select="vc1_decoder"
1760 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1761 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1762 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
1763
1764 # parsers
1765 h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1766 mpeg4video_parser_select="error_resilience mpegvideo"
1767 mpegvideo_parser_select="error_resilience mpegvideo"
1768 vc1_parser_select="mpegvideo"
1769
1770 # external libraries
1771 libfaac_encoder_deps="libfaac"
1772 libfaac_encoder_select="audio_frame_queue"
1773 libfdk_aac_decoder_deps="libfdk_aac"
1774 libfdk_aac_encoder_deps="libfdk_aac"
1775 libfdk_aac_encoder_select="audio_frame_queue"
1776 libgsm_decoder_deps="libgsm"
1777 libgsm_encoder_deps="libgsm"
1778 libgsm_ms_decoder_deps="libgsm"
1779 libgsm_ms_encoder_deps="libgsm"
1780 libilbc_decoder_deps="libilbc"
1781 libilbc_encoder_deps="libilbc"
1782 libmp3lame_encoder_deps="libmp3lame"
1783 libmp3lame_encoder_select="audio_frame_queue"
1784 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1785 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1786 libopencore_amrnb_encoder_select="audio_frame_queue"
1787 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1788 libopenjpeg_decoder_deps="libopenjpeg"
1789 libopenjpeg_encoder_deps="libopenjpeg"
1790 libopus_decoder_deps="libopus"
1791 libopus_encoder_deps="libopus"
1792 libopus_encoder_select="audio_frame_queue"
1793 libschroedinger_decoder_deps="libschroedinger"
1794 libschroedinger_encoder_deps="libschroedinger"
1795 libspeex_decoder_deps="libspeex"
1796 libspeex_encoder_deps="libspeex"
1797 libspeex_encoder_select="audio_frame_queue"
1798 libtheora_encoder_deps="libtheora"
1799 libvo_aacenc_encoder_deps="libvo_aacenc"
1800 libvo_aacenc_encoder_select="audio_frame_queue"
1801 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1802 libvorbis_encoder_deps="libvorbis"
1803 libvorbis_encoder_select="audio_frame_queue"
1804 libvpx_vp8_decoder_deps="libvpx"
1805 libvpx_vp8_encoder_deps="libvpx"
1806 libvpx_vp9_decoder_deps="libvpx"
1807 libvpx_vp9_encoder_deps="libvpx"
1808 libwavpack_encoder_deps="libwavpack"
1809 libx264_encoder_deps="libx264"
1810 libxavs_encoder_deps="libxavs"
1811 libxvid_encoder_deps="libxvid"
1812
1813 # demuxers / muxers
1814 ac3_demuxer_select="ac3_parser"
1815 asf_demuxer_select="riffdec"
1816 asf_muxer_select="riffenc"
1817 asf_stream_muxer_select="asf_muxer"
1818 avi_demuxer_select="riffdec"
1819 avi_muxer_select="riffenc"
1820 avisynth_demuxer_deps="avisynth"
1821 avisynth_demuxer_select="riffdec"
1822 caf_demuxer_select="riffdec"
1823 dirac_demuxer_select="dirac_parser"
1824 dxa_demuxer_select="riffdec"
1825 eac3_demuxer_select="ac3_parser"
1826 f4v_muxer_select="mov_muxer"
1827 flac_demuxer_select="flac_parser"
1828 hls_muxer_select="mpegts_muxer"
1829 ipod_muxer_select="mov_muxer"
1830 ismv_muxer_select="mov_muxer"
1831 matroska_audio_muxer_select="matroska_muxer"
1832 matroska_demuxer_select="riffdec"
1833 matroska_demuxer_suggest="bzlib lzo zlib"
1834 matroska_muxer_select="riffenc"
1835 mmf_muxer_select="riffenc"
1836 mov_demuxer_select="riffdec"
1837 mov_demuxer_suggest="zlib"
1838 mov_muxer_select="riffenc rtpenc_chain"
1839 mp3_demuxer_select="mpegaudio_parser"
1840 mp4_muxer_select="mov_muxer"
1841 mpegts_muxer_select="adts_muxer latm_muxer"
1842 mpegtsraw_demuxer_select="mpegts_demuxer"
1843 mxf_d10_muxer_select="mxf_muxer"
1844 nut_muxer_select="riffenc"
1845 nuv_demuxer_select="riffdec"
1846 ogg_demuxer_select="golomb"
1847 psp_muxer_select="mov_muxer"
1848 rtp_demuxer_select="sdp_demuxer"
1849 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1850 rtsp_demuxer_select="http_protocol rtpdec"
1851 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
1852 sap_demuxer_select="sdp_demuxer"
1853 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
1854 sdp_demuxer_select="rtpdec"
1855 smoothstreaming_muxer_select="ismv_muxer"
1856 spdif_muxer_select="aac_parser"
1857 tak_demuxer_select="tak_parser"
1858 tg2_muxer_select="mov_muxer"
1859 tgp_muxer_select="mov_muxer"
1860 w64_demuxer_select="wav_demuxer"
1861 wav_demuxer_select="riffdec"
1862 wav_muxer_select="riffenc"
1863 webm_muxer_select="riffenc"
1864 wtv_demuxer_select="riffdec"
1865 xmv_demuxer_select="riffdec"
1866 xwma_demuxer_select="riffdec"
1867
1868 # indevs / outdevs
1869 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1870 alsa_outdev_deps="alsa_asoundlib_h"
1871 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1872 dv1394_indev_deps="dv1394"
1873 dv1394_indev_select="dv_demuxer"
1874 fbdev_indev_deps="linux_fb_h"
1875 jack_indev_deps="jack_jack_h pthreads"
1876 libcdio_indev_deps="libcdio"
1877 libdc1394_indev_deps="libdc1394"
1878 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1879 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1880 pulse_indev_deps="libpulse"
1881 sndio_indev_deps="sndio_h"
1882 sndio_outdev_deps="sndio_h"
1883 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1884 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1885 vfwcap_indev_extralibs="-lavicap32"
1886 x11grab_indev_deps="x11grab XShmCreateImage"
1887
1888 # protocols
1889 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1890 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1891 ffrtmpcrypt_protocol_select="tcp_protocol"
1892 ffrtmphttp_protocol_deps="!librtmp_protocol"
1893 ffrtmphttp_protocol_select="http_protocol"
1894 gopher_protocol_select="network"
1895 httpproxy_protocol_select="tcp_protocol"
1896 http_protocol_select="tcp_protocol"
1897 https_protocol_select="tls_protocol"
1898 librtmp_protocol_deps="librtmp"
1899 librtmpe_protocol_deps="librtmp"
1900 librtmps_protocol_deps="librtmp"
1901 librtmpt_protocol_deps="librtmp"
1902 librtmpte_protocol_deps="librtmp"
1903 mmsh_protocol_select="http_protocol"
1904 mmst_protocol_select="network"
1905 rtmp_protocol_deps="!librtmp_protocol"
1906 rtmp_protocol_select="tcp_protocol"
1907 rtmpe_protocol_select="ffrtmpcrypt_protocol"
1908 rtmps_protocol_deps="!librtmp_protocol"
1909 rtmps_protocol_select="tls_protocol"
1910 rtmpt_protocol_select="ffrtmphttp_protocol"
1911 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
1912 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
1913 rtp_protocol_select="udp_protocol"
1914 sctp_protocol_deps="struct_sctp_event_subscribe"
1915 sctp_protocol_select="network"
1916 srtp_protocol_select="rtp_protocol"
1917 tcp_protocol_select="network"
1918 tls_protocol_deps_any="openssl gnutls"
1919 tls_protocol_select="tcp_protocol"
1920 udp_protocol_select="network"
1921 unix_protocol_deps="sys_un_h"
1922 unix_protocol_select="network"
1923
1924 # filters
1925 blackframe_filter_deps="gpl"
1926 boxblur_filter_deps="gpl"
1927 cropdetect_filter_deps="gpl"
1928 delogo_filter_deps="gpl"
1929 drawtext_filter_deps="libfreetype"
1930 frei0r_filter_deps="frei0r dlopen strtok_r"
1931 frei0r_filter_extralibs='$ldl'
1932 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1933 frei0r_src_filter_extralibs='$ldl'
1934 hqdn3d_filter_deps="gpl"
1935 interlace_filter_deps="gpl"
1936 resample_filter_deps="avresample"
1937 ocv_filter_deps="libopencv"
1938 scale_filter_deps="swscale"
1939 yadif_filter_deps="gpl"
1940
1941 # libraries
1942 avcodec_deps="avutil"
1943 avdevice_deps="avutil avcodec avformat"
1944 avfilter_deps="avutil"
1945 avformat_deps="avutil avcodec"
1946 avresample_deps="avutil"
1947 swscale_deps="avutil"
1948
1949 # programs
1950 avconv_deps="avcodec avfilter avformat avresample swscale"
1951 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
1952 fps_filter null_filter resample_filter scale_filter
1953 setpts_filter trim_filter"
1954 avplay_deps="avcodec avformat avresample swscale sdl"
1955 avplay_select="rdft"
1956 avprobe_deps="avcodec avformat"
1957 avserver_deps="avformat fork !shared"
1958 avserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
1959 avserver_extralibs='$ldl'
1960
1961 doc_deps="texi2html"
1962
1963 # default parameters
1964
1965 logfile="config.log"
1966
1967 # installation paths
1968 prefix_default="/usr/local"
1969 bindir_default='${prefix}/bin'
1970 datadir_default='${prefix}/share/avconv'
1971 docdir_default='${prefix}/share/doc/libav'
1972 incdir_default='${prefix}/include'
1973 libdir_default='${prefix}/lib'
1974 mandir_default='${prefix}/share/man'
1975 shlibdir_default="$libdir_default"
1976
1977 # toolchain
1978 ar_default="ar"
1979 cc_default="gcc"
1980 host_cc_default="gcc"
1981 cp_f="cp -f"
1982 ln_s="ln -s -f"
1983 nm_default="nm -g"
1984 objformat="elf"
1985 pkg_config_default=pkg-config
1986 ranlib="ranlib"
1987 strip="strip"
1988 yasmexe="yasm"
1989
1990 nogas=":"
1991
1992 # machine
1993 arch_default=$(uname -m)
1994 cpu="generic"
1995
1996 # OS
1997 target_os_default=$(tolower $(uname -s))
1998 host_os=$target_os_default
1999
2000 # configurable options
2001 enable $LIBRARY_LIST $PROGRAM_LIST
2002
2003 enable asm
2004 enable debug
2005 enable doc
2006 enable optimizations
2007 enable safe_bitstream_reader
2008 enable static
2009 enable swscale_alpha
2010
2011 # By default, enable only those hwaccels that have no external dependencies.
2012 enable dxva2 vdpau
2013
2014 # build settings
2015 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2016 LIBPREF="lib"
2017 LIBSUF=".a"
2018 FULLNAME='$(NAME)$(BUILDSUF)'
2019 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2020 SLIBPREF="lib"
2021 SLIBSUF=".so"
2022 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2023 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2024 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2025 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2026 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2027 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2028
2029 asflags_filter=echo
2030 cflags_filter=echo
2031 ldflags_filter=echo
2032
2033 AS_C='-c'
2034 AS_O='-o $@'
2035 CC_C='-c'
2036 CC_E='-E -o $@'
2037 CC_O='-o $@'
2038 LD_O='-o $@'
2039 LD_LIB='-l%'
2040 LD_PATH='-L'
2041 HOSTCC_C='-c'
2042 HOSTCC_O='-o $@'
2043 HOSTLD_O='-o $@'
2044
2045 host_cflags='-O3 -g'
2046 host_cppflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600'
2047 host_libs='-lm'
2048 host_cflags_filter=echo
2049 host_ldflags_filter=echo
2050
2051 target_path='$(CURDIR)'
2052
2053 # since the object filename is not given with the -MM flag, the compiler
2054 # is only able to print the basename, and we must add the path ourselves
2055 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2056 DEPFLAGS='-MM'
2057
2058 # find source path
2059 if test -f configure; then
2060 source_path=.
2061 else
2062 source_path=$(cd $(dirname "$0"); pwd)
2063 echo "$source_path" | grep -q '[[:blank:]]' &&
2064 die "Out of tree builds are impossible with whitespace in source path."
2065 test -e "$source_path/config.h" &&
2066 die "Out of tree builds are impossible with config.h in source dir."
2067 fi
2068
2069 for v in "$@"; do
2070 r=${v#*=}
2071 l=${v%"$r"}
2072 r=$(sh_quote "$r")
2073 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2074 done
2075
2076 find_things(){
2077 thing=$1
2078 pattern=$2
2079 file=$source_path/$3
2080 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2081 }
2082
2083 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2084 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2085 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2086 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2087 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2088 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2089 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2090 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2091 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2092 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2093 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2094
2095 ALL_COMPONENTS="
2096 $BSF_LIST
2097 $DECODER_LIST
2098 $DEMUXER_LIST
2099 $ENCODER_LIST
2100 $FILTER_LIST
2101 $HWACCEL_LIST
2102 $INDEV_LIST
2103 $MUXER_LIST
2104 $OUTDEV_LIST
2105 $PARSER_LIST
2106 $PROTOCOL_LIST
2107 "
2108
2109 for n in $COMPONENT_LIST; do
2110 v=$(toupper ${n%s})_LIST
2111 eval enable \$$v
2112 eval ${n}_if_any="\$$v"
2113 done
2114
2115 enable $ARCH_EXT_LIST
2116
2117 die_unknown(){
2118 echo "Unknown option \"$1\"."
2119 echo "See $0 --help for available options."
2120 exit 1
2121 }
2122
2123 print_3_columns() {
2124 cat | tr ' ' '\n' | sort | pr -r -3 -t
2125 }
2126
2127 show_list() {
2128 suffix=_$1
2129 shift
2130 echo $* | sed s/$suffix//g | print_3_columns
2131 exit 0
2132 }
2133
2134 rand_list(){
2135 IFS=', '
2136 set -- $*
2137 unset IFS
2138 for thing; do
2139 comp=${thing%:*}
2140 prob=${thing#$comp}
2141 prob=${prob#:}
2142 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2143 echo "prob ${prob:-0.5}"
2144 printf '%s\n' $comp
2145 done
2146 }
2147
2148 do_random(){
2149 action=$1
2150 shift
2151 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2152 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2153 }
2154
2155 for opt do
2156 optval="${opt#*=}"
2157 case "$opt" in
2158 --extra-ldflags=*)
2159 add_ldflags $optval
2160 ;;
2161 --extra-libs=*)
2162 add_extralibs $optval
2163 ;;
2164 --disable-devices)
2165 disable $INDEV_LIST $OUTDEV_LIST
2166 ;;
2167 --enable-debug=*)
2168 debuglevel="$optval"
2169 ;;
2170 --disable-programs)
2171 disable $PROGRAM_LIST
2172 ;;
2173 --disable-everything)
2174 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2175 ;;
2176 --disable-all)
2177 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2178 disable $LIBRARY_LIST $PROGRAM_LIST doc
2179 ;;
2180 --enable-random|--disable-random)
2181 action=${opt%%-random}
2182 do_random ${action#--} $COMPONENT_LIST
2183 ;;
2184 --enable-random=*|--disable-random=*)
2185 action=${opt%%-random=*}
2186 do_random ${action#--} $optval
2187 ;;
2188 --enable-*=*|--disable-*=*)
2189 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2190 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2191 eval list=\$$(toupper $thing)_LIST
2192 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2193 $action $(filter "$name" $list)
2194 ;;
2195 --enable-?*|--disable-?*)
2196 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2197 if is_in $option $COMPONENT_LIST; then
2198 test $action = disable && action=unset
2199 eval $action \$$(toupper ${option%s})_LIST
2200 elif is_in $option $CMDLINE_SELECT; then
2201 $action $option
2202 else
2203 die_unknown $opt
2204 fi
2205 ;;
2206 --list-*)
2207 NAME="${opt#--list-}"
2208 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2209 NAME=${NAME%s}
2210 eval show_list $NAME \$$(toupper $NAME)_LIST
2211 ;;
2212 --help|-h) show_help
2213 ;;
2214 *)
2215 optname="${opt%%=*}"
2216 optname="${optname#--}"
2217 optname=$(echo "$optname" | sed 's/-/_/g')
2218 if is_in $optname $CMDLINE_SET; then
2219 eval $optname='$optval'
2220 elif is_in $optname $CMDLINE_APPEND; then
2221 append $optname "$optval"
2222 else
2223 die_unknown $opt
2224 fi
2225 ;;
2226 esac
2227 done
2228
2229 disabled logging && logfile=/dev/null
2230
2231 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2232 set >> $logfile
2233
2234 test -n "$cross_prefix" && enable cross_compile
2235
2236 if enabled cross_compile; then
2237 test -n "$arch" && test -n "$target_os" ||
2238 die "Must specify target arch and OS when cross-compiling"
2239 fi
2240
2241 ar_default="${cross_prefix}${ar_default}"
2242 cc_default="${cross_prefix}${cc_default}"
2243 nm_default="${cross_prefix}${nm_default}"
2244 pkg_config_default="${cross_prefix}${pkg_config_default}"
2245 ranlib="${cross_prefix}${ranlib}"
2246 strip="${cross_prefix}${strip}"
2247
2248 sysinclude_default="${sysroot}/usr/include"
2249
2250 case "$toolchain" in
2251 clang-asan)
2252 cc_default="clang"
2253 add_cflags -fsanitize=address
2254 add_ldflags -fsanitize=address
2255 ;;
2256 clang-tsan)
2257 cc_default="clang"
2258 add_cflags -fsanitize=thread -pie
2259 add_ldflags -fsanitize=thread -pie
2260 ;;
2261 gcc-asan)
2262 cc_default="gcc"
2263 add_cflags -fsanitize=address
2264 add_ldflags -fsanitize=address
2265 ;;
2266 gcc-tsan)
2267 cc_default="gcc"
2268 add_cflags -fsanitize=thread -pie -fPIC
2269 add_ldflags -fsanitize=thread -pie -fPIC
2270 ;;
2271 valgrind-massif)
2272 target_exec_default="valgrind"
2273 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2274 ;;
2275 valgrind-memcheck)
2276 target_exec_default="valgrind"
2277 target_exec_args="--track-origins=yes --leak-check=full"
2278 ;;
2279 msvc)
2280 cc_default="c99wrap cl"
2281 ld_default="c99wrap link"
2282 nm_default="dumpbin -symbols"
2283 ar_default="lib"
2284 target_os_default="win32"
2285 ;;
2286 icl)
2287 cc_default="c99wrap -noconv icl"
2288 ld_default="c99wrap xilink"
2289 nm_default="dumpbin -symbols"
2290 ar_default="xilib"
2291 target_os_default="win32"
2292 ;;
2293 gcov)
2294 add_cflags -fprofile-arcs -ftest-coverage
2295 add_ldflags -fprofile-arcs -ftest-coverage
2296 ;;
2297 hardened)
2298 add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all
2299 add_ldflags -Wl,-z,relro -Wl,-z,now
2300 ;;
2301 ?*)
2302 die "Unknown toolchain $toolchain"
2303 ;;
2304 esac
2305
2306 set_default arch cc pkg_config sysinclude target_exec target_os
2307 enabled cross_compile || host_cc_default=$cc
2308 set_default host_cc
2309
2310 if ! $pkg_config --version >/dev/null 2>&1; then
2311 warn "$pkg_config not found, library detection may fail."
2312 pkg_config=false
2313 fi
2314
2315 exesuf() {
2316 case $1 in
2317 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2318 esac
2319 }
2320
2321 EXESUF=$(exesuf $target_os)
2322 HOSTEXESUF=$(exesuf $host_os)
2323
2324 # set temporary file name
2325 : ${TMPDIR:=$TEMPDIR}
2326 : ${TMPDIR:=$TMP}
2327 : ${TMPDIR:=/tmp}
2328
2329 if ! check_cmd mktemp -u XXXXXX; then
2330 # simple replacement for missing mktemp
2331 # NOT SAFE FOR GENERAL USE
2332 mktemp(){
2333 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2334 }
2335 fi
2336
2337 tmpfile(){
2338 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2339 (set -C; exec > $tmp) 2>/dev/null ||
2340 die "Unable to create temporary file in $TMPDIR."
2341 append TMPFILES $tmp
2342 eval $1=$tmp
2343 }
2344
2345 trap 'rm -f -- $TMPFILES' EXIT
2346
2347 tmpfile TMPASM .asm
2348 tmpfile TMPC .c
2349 tmpfile TMPE $EXESUF
2350 tmpfile TMPH .h
2351 tmpfile TMPO .o
2352 tmpfile TMPS .S
2353 tmpfile TMPSH .sh
2354 tmpfile TMPV .ver
2355
2356 unset -f mktemp
2357
2358 chmod +x $TMPE
2359
2360 # make sure we can execute files in $TMPDIR
2361 cat > $TMPSH 2>> $logfile <<EOF
2362 #! /bin/sh
2363 EOF
2364 chmod +x $TMPSH >> $logfile 2>&1
2365 if ! $TMPSH >> $logfile 2>&1; then
2366 cat <<EOF
2367 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2368 variable to another directory and make sure that it is not mounted noexec.
2369 EOF
2370 die "Sanity test failed."
2371 fi
2372
2373 ccc_flags(){
2374 for flag; do
2375 case $flag in
2376 -std=c99) echo -c99 ;;
2377 -mcpu=*) echo -arch ${flag#*=} ;;
2378 -mieee) echo -ieee ;;
2379 -O*|-fast) echo $flag ;;
2380 -fno-math-errno) echo -assume nomath_errno ;;
2381 -g) echo -g3 ;;
2382 -Wall) echo -msg_enable level2 ;;
2383 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2384 -Wl,*) echo $flag ;;
2385 -f*|-W*) ;;
2386 *) echo $flag ;;
2387 esac
2388 done
2389 }
2390
2391 cparser_flags(){
2392 for flag; do
2393 case $flag in
2394 -Wno-switch) echo -Wno-switch-enum ;;
2395 -Wno-format-zero-length) ;;
2396 -Wdisabled-optimization) ;;
2397 -Wno-pointer-sign) echo -Wno-other ;;
2398 *) echo $flag ;;
2399 esac
2400 done
2401 }
2402
2403 msvc_common_flags(){
2404 for flag; do
2405 case $flag in
2406 # In addition to specifying certain flags under the compiler
2407 # specific filters, they must be specified here as well or else the
2408 # generic catch all at the bottom will print the original flag.
2409 -Wall) ;;
2410 -std=c99) ;;
2411 # Common flags
2412 -fomit-frame-pointer) ;;
2413 -g) echo -Z7 ;;
2414 -fno-math-errno) ;;
2415 -fno-common) ;;
2416 -fno-signed-zeros) ;;
2417 -fPIC) ;;
2418 -mthumb) ;;
2419 -march=*) ;;
2420 -lz) echo zlib.lib ;;
2421 -lavifil32) echo vfw32.lib ;;
2422 -lavicap32) echo vfw32.lib user32.lib ;;
2423 -l*) echo ${flag#-l}.lib ;;
2424 *) echo $flag ;;
2425 esac
2426 done
2427 }
2428
2429 msvc_flags(){
2430 msvc_common_flags "$@"
2431 for flag; do
2432 case $flag in
2433 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2434 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2435 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2436 -wd4273 ;;
2437 esac
2438 done
2439 }
2440
2441 icl_flags(){
2442 msvc_common_flags "$@"
2443 for flag; do
2444 case $flag in
2445 # Despite what Intel's documentation says -Wall, which is supported
2446 # on Windows, does enable remarks so disable them here.
2447 -Wall) echo $flag -Qdiag-disable:remark ;;
2448 -std=c99) echo -Qstd=c99 ;;
2449 esac
2450 done
2451 }
2452
2453 pgi_flags(){
2454 for flag; do
2455 case $flag in
2456 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2457 -fomit-frame-pointer) echo -Mnoframe ;;
2458 -g) echo -gopt ;;
2459 *) echo $flag ;;
2460 esac
2461 done
2462 }
2463
2464 suncc_flags(){
2465 for flag; do
2466 case $flag in
2467 -march=*|-mcpu=*)
2468 case "${flag#*=}" in
2469 native) echo -xtarget=native ;;
2470 v9|niagara) echo -xarch=sparc ;;
2471 ultrasparc) echo -xarch=sparcvis ;;
2472 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2473 i586|pentium) echo -xchip=pentium ;;
2474 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2475 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2476 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2477 pentium4*) echo -xtarget=pentium4 ;;
2478 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2479 *-sse3) echo -xarch=sse3 ;;
2480 core2) echo -xarch=ssse3 -xchip=core2 ;;
2481 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2482 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2483 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
2484 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2485 k8|opteron|athlon64|athlon-fx)
2486 echo -xarch=sse2a ;;
2487 athlon*) echo -xarch=pentium_proa ;;
2488 esac
2489 ;;
2490 -std=c99) echo -xc99 ;;
2491 -fomit-frame-pointer) echo -xregs=frameptr ;;
2492 -fPIC) echo -KPIC -xcode=pic32 ;;
2493 -W*,*) echo $flag ;;
2494 -f*-*|-W*|-mimpure-text) ;;
2495 -shared) echo -G ;;
2496 *) echo $flag ;;
2497 esac
2498 done
2499 }
2500
2501 tms470_flags(){
2502 for flag; do
2503 case $flag in
2504 -march=*|-mcpu=*)
2505 case "${flag#*=}" in
2506 armv7-a|cortex-a*) echo -mv=7a8 ;;
2507 armv7-r|cortex-r*) echo -mv=7r4 ;;
2508 armv7-m|cortex-m*) echo -mv=7m3 ;;
2509 armv6*|arm11*) echo -mv=6 ;;
2510 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2511 echo -mv=5e ;;
2512 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2513 esac
2514 ;;
2515 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2516 -mfpu=vfp) echo --float_support=vfpv2 ;;
2517 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2518 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
2519 -msoft-float) echo --float_support=vfplib ;;
2520 -O[0-3]|-mf=*) echo $flag ;;
2521 -g) echo -g -mn ;;
2522 -pds=*) echo $flag ;;
2523 -D*|-I*) echo $flag ;;
2524 --gcc|--abi=*) echo $flag ;;
2525 -me) echo $flag ;;
2526 esac
2527 done
2528 }
2529
2530 probe_cc(){
2531 pfx=$1
2532 _cc=$2
2533
2534 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2535 unset _ld_o _ldflags _ld_lib _ld_path
2536 unset _depflags _DEPCMD _DEPFLAGS
2537 _flags_filter=echo
2538
2539 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2540 _type=llvm_gcc
2541 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2542 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2543 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2544 _cflags_speed='-O3'
2545 _cflags_size='-Os'
2546 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2547 _type=gcc
2548 gcc_version=$($_cc --version | head -n1)
2549 gcc_basever=$($_cc -dumpversion)
2550 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2551 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2552 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2553 if ! $_cc -dumpversion | grep -q '^2\.'; then
2554 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2555 fi
2556 _cflags_speed='-O3'
2557 _cflags_size='-Os'
2558 elif $_cc --version 2>/dev/null | grep -q ^icc; then
2559 _type=icc
2560 _ident=$($_cc --version | head -n1)
2561 _depflags='-MMD'
2562 _cflags_speed='-O3'
2563 _cflags_size='-Os'
2564 _cflags_noopt='-O1'
2565 elif $_cc -v 2>&1 | grep -q xlc; then
2566 _type=xlc
2567 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2568 _cflags_speed='-O5'
2569 _cflags_size='-O5 -qcompact'
2570 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2571 _type=ccc
2572 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2573 _DEPFLAGS='-M'
2574 _cflags_speed='-fast'
2575 _cflags_size='-O1'
2576 _flags_filter=ccc_flags
2577 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2578 test -d "$sysroot" || die "No valid sysroot specified."
2579 _type=armcc
2580 _ident=$($_cc --vsn | head -n1)
2581 armcc_conf="$PWD/armcc.conf"
2582 $_cc --arm_linux_configure \
2583 --arm_linux_config_file="$armcc_conf" \
2584 --configure_sysroot="$sysroot" \
2585 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2586 die "Error creating armcc configuration file."
2587 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2588 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2589 as_default="${cross_prefix}gcc"
2590 _depflags='-MMD'
2591 _cflags_speed='-O3'
2592 _cflags_size='-Os'
2593 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2594 _type=tms470
2595 _ident=$($_cc -version | head -n1 | tr -s ' ')
2596 _flags='--gcc --abi=eabi -me'
2597 _cc_e='-ppl -fe=$@'
2598 _cc_o='-fe=$@'
2599 _depflags='-ppa -ppd=$(@:.o=.d)'
2600 _cflags_speed='-O3 -mf=5'
2601 _cflags_size='-O3 -mf=2'
2602 _flags_filter=tms470_flags
2603 elif $_cc -v 2>&1 | grep -q clang; then
2604 _type=clang
2605 _ident=$($_cc --version | head -n1)
2606 _depflags='-MMD'
2607 _cflags_speed='-O3'
2608 _cflags_size='-Os'
2609 elif $_cc -V 2>&1 | grep -q Sun; then
2610 _type=suncc
2611 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2612 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2613 _DEPFLAGS='-xM1 -xc99'
2614 _ldflags='-std=c99'
2615 _cflags_speed='-O5'
2616 _cflags_size='-O5 -xspace'
2617 _flags_filter=suncc_flags
2618 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2619 _type=pathscale
2620 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2621 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2622 _cflags_speed='-O2'
2623 _cflags_size='-Os'
2624 _flags_filter='filter_out -Wdisabled-optimization'
2625 elif $_cc -v 2>&1 | grep -q Open64; then
2626 _type=open64
2627 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2628 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2629 _cflags_speed='-O2'
2630 _cflags_size='-Os'
2631 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2632 elif $_cc -V 2>&1 | grep -q Portland; then
2633 _type=pgi
2634 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2635 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
2636 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2637 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2638 _cflags_noopt="-O1"
2639 _flags_filter=pgi_flags
2640 elif $_cc 2>&1 | grep -q Microsoft; then
2641 _type=msvc
2642 _ident=$($cc 2>&1 | head -n1)
2643 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2644 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2645 _cflags_speed="-O2"
2646 _cflags_size="-O1"
2647 # Nonstandard output options, to avoid msys path conversion issues.
2648 # Relies on wrapper to remap it.
2649 if $_cc 2>&1 | grep -q Linker; then
2650 _ld_o='-out $@'
2651 else
2652 _ld_o='-Fe$@'
2653 fi
2654 _cc_o='-Fo $@'
2655 _cc_e='-P -Fi $@'
2656 _flags_filter=msvc_flags
2657 _ld_lib='lib%.a'
2658 _ld_path='-libpath:'
2659 _flags='-nologo'
2660 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2661 if [ $pfx = hostcc ]; then
2662 append _cflags -Dsnprintf=_snprintf
2663 fi
2664 elif $_cc 2>&1 | grep -q Intel; then
2665 _type=icl
2666 _ident=$($cc 2>&1 | head -n1)
2667 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
2668 # Not only is O3 broken on 13.x+ but it is slower on all previous
2669 # versions (tested) as well.
2670 _cflags_speed="-O2"
2671 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
2672 # Nonstandard output options, to avoid msys path conversion issues.
2673 # Relies on wrapper to remap it.
2674 if $_cc 2>&1 | grep -q Linker; then
2675 _ld_o='-out $@'
2676 else
2677 _ld_o='-Fe$@'
2678 fi
2679 _cc_o='-Fo $@'
2680 _cc_e='-P'
2681 _flags_filter=icl_flags
2682 _ld_lib='lib%.a'
2683 _ld_path='-libpath:'
2684 # -Qdiag-error to make icl error when seeing certain unknown arguments
2685 _flags='-nologo -Qdiag-error:4044,10157'
2686 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
2687 # with MSVC which enables it by default.
2688 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
2689 if [ $pfx = hostcc ]; then
2690 append _cflags -Dsnprintf=_snprintf
2691 fi
2692 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
2693 _type=cparser
2694 _ident=$($_cc --version | head -n1)
2695 _depflags='-MMD'
2696 _cflags_speed='-O4'
2697 _cflags_size='-O2'
2698 _flags_filter=cparser_flags
2699 fi
2700
2701 eval ${pfx}_type=\$_type
2702 eval ${pfx}_ident=\$_ident
2703 }
2704
2705 set_ccvars(){
2706 eval ${1}_C=\${_cc_c-\${${1}_C}}
2707 eval ${1}_E=\${_cc_e-\${${1}_E}}
2708 eval ${1}_O=\${_cc_o-\${${1}_O}}
2709
2710 if [ -n "$_depflags" ]; then
2711 eval ${1}_DEPFLAGS=\$_depflags
2712 else
2713 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2714 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2715 eval DEP${1}FLAGS=\$_flags
2716 fi
2717 }
2718
2719 probe_cc cc "$cc"
2720 cflags_filter=$_flags_filter
2721 cflags_speed=$_cflags_speed
2722 cflags_size=$_cflags_size
2723 cflags_noopt=$_cflags_noopt
2724 add_cflags $_flags $_cflags
2725 cc_ldflags=$_ldflags
2726 set_ccvars CC
2727
2728 probe_cc hostcc "$host_cc"
2729 host_cflags_filter=$_flags_filter
2730 add_host_cflags $_flags $_cflags
2731 set_ccvars HOSTCC
2732
2733 test -n "$cc_type" && enable $cc_type ||
2734 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2735
2736 : ${as_default:=$cc}
2737 : ${dep_cc_default:=$cc}
2738 : ${ld_default:=$cc}
2739 : ${host_ld_default:=$host_cc}
2740 set_default ar as dep_cc ld host_ld
2741
2742 probe_cc as "$as"
2743 asflags_filter=$_flags_filter
2744 add_asflags $_flags $_cflags
2745 set_ccvars AS
2746
2747 probe_cc ld "$ld"
2748 ldflags_filter=$_flags_filter
2749 add_ldflags $_flags $_ldflags
2750 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2751 LD_O=${_ld_o-$LD_O}
2752 LD_LIB=${_ld_lib-$LD_LIB}
2753 LD_PATH=${_ld_path-$LD_PATH}
2754
2755 probe_cc hostld "$host_ld"
2756 host_ldflags_filter=$_flags_filter
2757 add_host_ldflags $_flags $_ldflags
2758 HOSTLD_O=${_ld_o-$HOSTLD_O}
2759
2760 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2761 probe_cc depcc "$dep_cc"
2762 CCDEP=${_DEPCMD:-$DEPCMD}
2763 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2764 DEPCCFLAGS=$_flags
2765 fi
2766
2767 if $ar 2>&1 | grep -q Microsoft; then
2768 arflags="-nologo"
2769 ar_o='-out:$@'
2770 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2771 arflags="rq"
2772 ar_o='$@'
2773 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
2774 arflags='-Xany -r -c'
2775 ar_o='$@'
2776 else
2777 arflags="rc"
2778 ar_o='$@'
2779 fi
2780
2781 add_cflags $extra_cflags
2782 add_asflags $extra_cflags
2783
2784 if test -n "$sysroot"; then
2785 case "$cc_type" in
2786 gcc|llvm_gcc|clang)
2787 add_cppflags --sysroot="$sysroot"
2788 add_ldflags --sysroot="$sysroot"
2789 ;;
2790 tms470)
2791 add_cppflags -I"$sysinclude"
2792 add_ldflags --sysroot="$sysroot"
2793 ;;
2794 esac
2795 fi
2796
2797 if test "$cpu" = host; then
2798 enabled cross_compile &&
2799 die "--cpu=host makes no sense when cross-compiling."
2800
2801 case "$cc_type" in
2802 gcc|llvm_gcc)
2803 check_native(){
2804 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2805 sed -n "/cc1.*$1=/{
2806 s/.*$1=\\([^ ]*\\).*/\\1/
2807 p
2808 q
2809 }" $TMPE
2810 }
2811 cpu=$(check_native -march || check_native -mcpu)
2812 ;;
2813 esac
2814
2815 test "${cpu:-host}" = host &&
2816 die "--cpu=host not supported with compiler $cc"
2817 fi
2818
2819 # Deal with common $arch aliases
2820 case "$arch" in
2821 aarch64|arm64)
2822 arch="aarch64"
2823 ;;
2824 arm*)
2825 arch="arm"
2826 ;;
2827 mips*|IP*)
2828 arch="mips"
2829 ;;
2830 parisc*|hppa*)
2831 arch="parisc"
2832 ;;
2833 "Power Macintosh"|ppc*|powerpc*)
2834 arch="ppc"
2835 ;;
2836 s390|s390x)
2837 arch="s390"
2838 ;;
2839 sh4|sh)
2840 arch="sh4"
2841 ;;
2842 sun4u|sparc*)
2843 arch="sparc"
2844 ;;
2845 tilegx|tile-gx)
2846 arch="tilegx"
2847 ;;
2848 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2849 arch="x86"
2850 ;;
2851 esac
2852
2853 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2854 enable $arch
2855
2856 # Add processor-specific flags
2857 if enabled aarch64; then
2858
2859 case $cpu in
2860 armv*)
2861 cpuflags="-march=$cpu"
2862 ;;
2863 *)
2864 cpuflags="-mcpu=$cpu"
2865 ;;
2866 esac
2867
2868 elif enabled alpha; then
2869
2870 cpuflags="-mcpu=$cpu"
2871
2872 elif enabled arm; then
2873
2874 check_arm_arch() {
2875 check_cpp_condition stddef.h \
2876 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
2877 $cpuflags
2878 }
2879
2880 probe_arm_arch() {
2881 if check_arm_arch 4; then echo armv4;
2882 elif check_arm_arch 4T; then echo armv4t;
2883 elif check_arm_arch 5; then echo armv5;
2884 elif check_arm_arch 5E; then echo armv5e;
2885 elif check_arm_arch 5T; then echo armv5t;
2886 elif check_arm_arch 5TE; then echo armv5te;
2887 elif check_arm_arch 5TEJ; then echo armv5te;
2888 elif check_arm_arch 6; then echo armv6;
2889 elif check_arm_arch 6J; then echo armv6j;
2890 elif check_arm_arch 6K; then echo armv6k;
2891 elif check_arm_arch 6Z; then echo armv6z;
2892 elif check_arm_arch 6ZK; then echo armv6zk;
2893 elif check_arm_arch 6T2; then echo armv6t2;
2894 elif check_arm_arch 7; then echo armv7;
2895 elif check_arm_arch 7A 7_A; then echo armv7-a;
2896 elif check_arm_arch 7R 7_R; then echo armv7-r;
2897 elif check_arm_arch 7M 7_M; then echo armv7-m;
2898 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
2899 elif check_arm_arch 8A 8_A; then echo armv8-a;
2900 fi
2901 }
2902
2903 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
2904
2905 case $cpu in
2906 armv*)
2907 cpuflags="-march=$cpu"
2908 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2909 ;;
2910 *)
2911 cpuflags="-mcpu=$cpu"
2912 case $cpu in
2913 cortex-a*) subarch=armv7a ;;
2914 cortex-r*) subarch=armv7r ;;
2915 cortex-m*) enable thumb; subarch=armv7m ;;
2916 arm11*) subarch=armv6 ;;
2917 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2918 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2919 *) subarch=$(probe_arm_arch) ;;
2920 esac
2921 ;;
2922 esac
2923
2924 case "$subarch" in
2925 armv5t*) enable fast_clz ;;
2926 armv[6-8]*) enable fast_clz fast_unaligned ;;
2927 esac
2928
2929 elif enabled avr32; then
2930
2931 case $cpu in
2932 ap7[02]0[0-2])
2933 subarch="avr32_ap"
2934 cpuflags="-mpart=$cpu"
2935 ;;
2936 ap)
2937 subarch="avr32_ap"
2938 cpuflags="-march=$cpu"
2939 ;;
2940 uc3[ab]*)
2941 subarch="avr32_uc"
2942 cpuflags="-mcpu=$cpu"
2943 ;;
2944 uc)
2945 subarch="avr32_uc"
2946 cpuflags="-march=$cpu"
2947 ;;
2948 esac
2949
2950 elif enabled bfin; then
2951
2952 cpuflags="-mcpu=$cpu"
2953
2954 elif enabled mips; then
2955
2956 cpuflags="-march=$cpu"
2957
2958 elif enabled ppc; then
2959
2960 case $(tolower $cpu) in
2961 601|ppc601|powerpc601)
2962 cpuflags="-mcpu=601"
2963 disable altivec
2964 ;;
2965 603*|ppc603*|powerpc603*)
2966 cpuflags="-mcpu=603"
2967 disable altivec
2968 ;;
2969 604*|ppc604*|powerpc604*)
2970 cpuflags="-mcpu=604"
2971 disable altivec
2972 ;;
2973 g3|75*|ppc75*|powerpc75*)
2974 cpuflags="-mcpu=750"
2975 disable altivec
2976 ;;
2977 g4|745*|ppc745*|powerpc745*)
2978 cpuflags="-mcpu=7450"
2979 ;;
2980 74*|ppc74*|powerpc74*)
2981 cpuflags="-mcpu=7400"
2982 ;;
2983 g5|970|ppc970|powerpc970)
2984 cpuflags="-mcpu=970"
2985 ;;
2986 power[3-7]*)
2987 cpuflags="-mcpu=$cpu"
2988 ;;
2989 cell)
2990 cpuflags="-mcpu=cell"
2991 enable ldbrx
2992 ;;
2993 e500mc)
2994 cpuflags="-mcpu=e500mc"
2995 disable altivec
2996 ;;
2997 e500v2)
2998 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2999 disable altivec
3000 ;;
3001 e500)
3002 cpuflags="-mcpu=8540 -mhard-float"
3003 disable altivec
3004 ;;
3005 esac
3006
3007 elif enabled sparc; then
3008
3009 case $cpu in
3010 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3011 cpuflags="-mcpu=$cpu"
3012 disable vis
3013 ;;
3014 ultrasparc*|niagara[234])
3015 cpuflags="-mcpu=$cpu"
3016 ;;
3017 esac
3018
3019 elif enabled x86; then
3020
3021 case $cpu in
3022 i[345]86|pentium)
3023 cpuflags="-march=$cpu"
3024 disable mmx
3025 ;;
3026 # targets that do NOT support nopl and conditional mov (cmov)
3027 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3028 cpuflags="-march=$cpu"
3029 disable i686
3030 ;;
3031 # targets that do support nopl and conditional mov (cmov)
3032 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3033 cpuflags="-march=$cpu"
3034 enable i686
3035 enable fast_cmov
3036 ;;
3037 # targets that do support conditional mov but on which it's slow
3038 pentium4|pentium4m|prescott|nocona)
3039 cpuflags="-march=$cpu"
3040 enable i686
3041 disable fast_cmov
3042 ;;
3043 esac
3044
3045 fi
3046
3047 if [ "$cpu" != generic ]; then
3048 add_cflags $cpuflags
3049 add_asflags $cpuflags
3050 fi
3051
3052 # compiler sanity check
3053 check_exec <<EOF
3054 int main(void){ return 0; }
3055 EOF
3056 if test "$?" != 0; then
3057 echo "$cc is unable to create an executable file."
3058 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3059 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3060 echo "Only do this if you know what cross compiling means."
3061 fi
3062 die "C compiler test failed."
3063 fi
3064
3065 add_cppflags -D_ISOC99_SOURCE
3066 check_cflags -std=c99
3067 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3068 #include <stdlib.h>
3069 EOF
3070 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3071 #include <stdlib.h>
3072 EOF
3073
3074 check_host_cflags -std=c99
3075 check_host_cflags -Wall
3076
3077 check_64bit(){
3078 arch32=$1
3079 arch64=$2
3080 expr=$3
3081 check_code cc "" "int test[2*($expr) - 1]" &&
3082 subarch=$arch64 || subarch=$arch32
3083 }
3084
3085 case "$arch" in
3086 aarch64|alpha|ia64)
3087 spic=$shared
3088 ;;
3089 mips)
3090 check_64bit mips mips64 '_MIPS_SIM > 1'
3091 spic=$shared
3092 ;;
3093 parisc)
3094 check_64bit parisc parisc64 'sizeof(void *) > 4'
3095 spic=$shared
3096 ;;
3097 ppc)
3098 check_64bit ppc ppc64 'sizeof(void *) > 4'
3099 spic=$shared
3100 ;;
3101 sparc)
3102 check_64bit sparc sparc64 'sizeof(void *) > 4'
3103 spic=$shared
3104 ;;
3105 x86)
3106 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3107 if test "$subarch" = "x86_64"; then
3108 spic=$shared
3109 fi
3110 ;;
3111 esac
3112
3113 enable $subarch
3114 enabled spic && enable_weak pic
3115
3116 # OS specific
3117 case $target_os in
3118 aix)
3119 SHFLAGS=-shared
3120 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3121 enabled shared && add_ldflags -Wl,-brtl
3122 ;;
3123 haiku)
3124 prefix_default="/boot/common"
3125 network_extralibs="-lnetwork"
3126 host_libs=
3127 ;;
3128 sunos)
3129 SHFLAGS='-shared -Wl,-h,$$(@F)'
3130 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3131 network_extralibs="-lsocket -lnsl"
3132 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3133 # When using suncc to build, the Solaris linker will mark
3134 # an executable with each instruction set encountered by
3135 # the Solaris assembler. As our libraries contain their own
3136 # guards for processor-specific code, instead suppress
3137 # generation of the HWCAPS ELF section on Solaris x86 only.
3138 enabled_all suncc x86 &&
3139 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3140 add_ldflags -Wl,-M,mapfile
3141 nm_default='nm -P -g'
3142 ;;
3143 netbsd)
3144 disable symver
3145 oss_indev_extralibs="-lossaudio"
3146 oss_outdev_extralibs="-lossaudio"
3147 ;;
3148 openbsd|bitrig)
3149 disable symver
3150 SHFLAGS='-shared'
3151 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3152 SLIB_INSTALL_LINKS=
3153 oss_indev_extralibs="-lossaudio"
3154 oss_outdev_extralibs="-lossaudio"
3155 ;;
3156 dragonfly)
3157 disable symver
3158 ;;
3159 freebsd)
3160 ;;
3161 bsd/os)
3162 add_extralibs -lpoll -lgnugetopt
3163 ;;
3164 darwin)
3165 gas="gas-preprocessor.pl $cc"
3166 enabled ppc && add_asflags -force_cpusubtype_ALL
3167 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3168 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3169 add_ldflags -Wl,-dynamic,-search_paths_first
3170 SLIBSUF=".dylib"
3171 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3172 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3173 objformat="macho"
3174 enabled x86_64 && objformat="macho64"
3175 enabled_any pic shared ||
3176 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3177 ;;
3178 mingw32*)
3179 if test $target_os = "mingw32ce"; then
3180 disable network
3181 else
3182 target_os=mingw32
3183 fi
3184 LIBTARGET=i386
3185 if enabled x86_64; then
3186 LIBTARGET="i386:x86-64"
3187 elif enabled arm; then
3188 LIBTARGET=arm-wince
3189 fi
3190 check_ldflags -Wl,--nxcompat
3191 check_ldflags -Wl,--dynamicbase
3192 shlibdir_default="$bindir_default"
3193 SLIBPREF=""
3194 SLIBSUF=".dll"
3195 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3196 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3197 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3198 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3199 SLIB_INSTALL_LINKS=
3200 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3201 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3202 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3203 objformat="win32"
3204 dlltool="${cross_prefix}dlltool"
3205 ranlib=:
3206 enable dos_paths
3207 ;;
3208 win32|win64)
3209 if enabled shared; then
3210 # Link to the import library instead of the normal static library
3211 # for shared libs.
3212 LD_LIB='%.lib'
3213 # Cannot build both shared and static libs with MSVC or icl.
3214 disable static
3215 fi
3216 shlibdir_default="$bindir_default"
3217 SLIBPREF=""
3218 SLIBSUF=".dll"
3219 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3220 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3221 SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3222 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3223 SLIB_INSTALL_LINKS=
3224 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3225 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3226 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3227 objformat="win32"
3228 ranlib=:
3229 enable dos_paths
3230 ;;
3231 cygwin*)
3232 target_os=cygwin
3233 shlibdir_default="$bindir_default"
3234 SLIBPREF="cyg"
3235 SLIBSUF=".dll"
3236 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3237 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3238 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3239 SLIB_INSTALL_LINKS=
3240 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3241 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3242 objformat="win32"
3243 enable dos_paths
3244 ;;
3245 *-dos|freedos|opendos)
3246 network_extralibs="-lsocket"
3247 objformat="coff"
3248 enable dos_paths
3249 add_cppflags -U__STRICT_ANSI__
3250 ;;
3251 linux)
3252 enable dv1394
3253 ;;
3254 irix*)
3255 target_os=irix
3256 ranlib="echo ignoring ranlib"
3257 ;;
3258 os/2*)
3259 ln_s="cp -f"
3260 objformat="aout"
3261 add_cppflags -D_GNU_SOURCE
3262 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3263 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3264 LIBSUF="_s.a"
3265 SLIBPREF=""
3266 SLIBSUF=".dll"
3267 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3268 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3269 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3270 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3271 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3272 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3273 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3274 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3275 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3276 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3277 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3278 enable dos_paths
3279 ;;
3280 gnu/kfreebsd)
3281 add_cppflags -D_BSD_SOURCE
3282 ;;
3283 gnu)
3284 ;;
3285 qnx)
3286 add_cppflags -D_QNX_SOURCE
3287 network_extralibs="-lsocket"
3288 ;;
3289 symbian)
3290 SLIBSUF=".dll"
3291 enable dos_paths
3292 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3293 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3294 add_ldflags -Wl,--target1-abs,--no-undefined \
3295 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3296 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3297 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3298 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3299 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3300 ;;
3301 osf1)
3302 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3303 ;;
3304 minix)
3305 ;;
3306 plan9)
3307 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3308 -D_REENTRANT_SOURCE \
3309 -D_RESEARCH_SOURCE \
3310 -DFD_SETSIZE=96 \
3311 -DHAVE_SOCK_OPTS
3312 add_compat strtod.o strtod=avpriv_strtod
3313 network_extralibs='-lbsd'
3314 exeobjs=compat/plan9/main.o
3315 disable avserver
3316 cp_f='cp'
3317 ;;
3318 none)
3319 ;;
3320 *)
3321 die "Unknown OS '$target_os'."
3322 ;;
3323 esac
3324
3325 # determine libc flavour
3326
3327 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3328 if check_cpp_condition features.h "defined __UCLIBC__"; then
3329 libc_type=uclibc
3330 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3331 elif check_cpp_condition features.h "defined __GLIBC__"; then
3332 libc_type=glibc
3333 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3334 # MinGW headers can be installed on Cygwin, so check for newlib first.
3335 elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3336 libc_type=newlib
3337 add_cppflags -U__STRICT_ANSI__
3338 elif check_header _mingw.h; then
3339 libc_type=mingw
3340 check_cpp_condition _mingw.h \
3341 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3342 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3343 die "ERROR: MinGW runtime version must be >= 3.15."
3344 add_cppflags -U__STRICT_ANSI__
3345 elif check_func_headers stdlib.h _get_doserrno; then
3346 libc_type=msvcrt
3347 add_compat strtod.o strtod=avpriv_strtod
3348 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3349 _snprintf=avpriv_snprintf \
3350 vsnprintf=avpriv_vsnprintf
3351 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3352 # 0x601 by default unless something else is set by the user.
3353 # This can easily lead to us detecting functions only present
3354 # in such new versions and producing binaries requiring windows 7.0.
3355 # Therefore explicitly set the default to XP unless the user has
3356 # set something else on the command line.
3357 check_cpp_condition stdlib.h "defined(_WIN32_WINNT)" || add_cppflags -D_WIN32_WINNT=0x0502
3358 elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3359 libc_type=klibc
3360 elif check_cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3361 libc_type=bionic
3362 add_compat strtod.o strtod=avpriv_strtod
3363 fi
3364
3365 test -n "$libc_type" && enable $libc_type
3366
3367 # hacks for compiler/libc/os combinations
3368
3369 if enabled_all tms470 glibc; then
3370 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
3371 add_cppflags -D__USER_LABEL_PREFIX__=
3372 add_cppflags -D__builtin_memset=memset
3373 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3374 add_cflags -pds=48 # incompatible redefinition of macro
3375 fi
3376
3377 if enabled_all ccc glibc; then
3378 add_ldflags -Wl,-z,now # calls to libots crash without this
3379 fi
3380
3381 esc(){
3382 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3383 }
3384
3385 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
3386
3387 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
3388
3389 set_default $PATHS_LIST
3390 set_default nm
3391
3392 # we need to build at least one lib type
3393 if ! enabled_any static shared; then
3394 cat <<EOF
3395 At least one library type must be built.
3396 Specify --enable-static to build the static libraries or --enable-shared to
3397 build the shared libraries as well. To only build the shared libraries specify
3398 --disable-static in addition to --enable-shared.
3399 EOF
3400 exit 1;
3401 fi
3402
3403 die_license_disabled() {
3404 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3405 }
3406
3407 die_license_disabled gpl libcdio
3408 die_license_disabled gpl libx264
3409 die_license_disabled gpl libxavs
3410 die_license_disabled gpl libxvid
3411 die_license_disabled gpl x11grab
3412
3413 die_license_disabled nonfree libfaac
3414 die_license_disabled nonfree libfdk_aac
3415 die_license_disabled nonfree openssl
3416
3417 die_license_disabled version3 libopencore_amrnb
3418 die_license_disabled version3 libopencore_amrwb
3419 die_license_disabled version3 libvo_aacenc
3420 die_license_disabled version3 libvo_amrwbenc
3421
3422 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3423
3424 disabled optimizations || check_cflags -fomit-frame-pointer
3425
3426 enable_weak_pic() {
3427 disabled pic && return
3428 enable pic
3429 add_cppflags -DPIC
3430 case "$target_os" in
3431 mingw*|cygwin*)
3432 ;;
3433 *)
3434 add_cflags -fPIC
3435 ;;
3436 esac
3437 add_asflags -fPIC
3438 }
3439
3440 enabled pic && enable_weak_pic
3441
3442 check_cc <<EOF || die "Symbol mangling check failed."
3443 int ff_extern;
3444 EOF
3445 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3446 extern_prefix=${sym%%ff_extern*}
3447
3448 check_cc <<EOF && enable_weak inline_asm
3449 void foo(void) { __asm__ volatile ("" ::); }
3450 EOF
3451
3452 _restrict=
3453 for restrict_keyword in restrict __restrict__ __restrict; do
3454 check_cc <<EOF && _restrict=$restrict_keyword && break
3455 void foo(char * $restrict_keyword p);
3456 EOF
3457 done
3458
3459 check_cc <<EOF && enable pragma_deprecated
3460 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
3461 EOF
3462
3463 check_cc <<EOF && enable attribute_packed
3464 struct { int x; } __attribute__((packed)) x;
3465 EOF
3466
3467 check_cc <<EOF && enable attribute_may_alias
3468 union { int x; } __attribute__((may_alias)) x;
3469 EOF
3470
3471 check_cc <<EOF || die "endian test failed"
3472 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3473 EOF
3474 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3475
3476 check_inline_asm inline_asm_labels '"1:\n"'
3477
3478 if enabled alpha; then
3479
3480 check_cflags -mieee
3481
3482 elif enabled arm; then
3483
3484 check_cpp_condition stddef.h "defined __thumb__" && enable_weak thumb
3485 enabled thumb && check_cflags -mthumb || check_cflags -marm
3486 nogas=die
3487
3488 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3489 enable vfp_args
3490 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3491 case "${cross_prefix:-$cc}" in
3492 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3493 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3494 __asm__ (".eabi_attribute 28, 1");
3495 int main(void) { return 0; }
3496 EOF
3497 esac
3498 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3499 fi
3500
3501 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
3502 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
3503 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
3504 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
3505 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
3506 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
3507
3508 [ $target_os = linux ] ||
3509 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
3510 $ARCH_EXT_LIST_ARM
3511
3512 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3513 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
3514
3515 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
3516
3517 elif enabled mips; then
3518
3519 check_inline_asm loongson '"dmult.g $1, $2, $3"'
3520
3521 elif enabled parisc; then
3522
3523 if enabled gcc; then
3524 case $($cc -dumpversion) in
3525 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
3526 esac
3527 fi
3528
3529 elif enabled ppc; then
3530
3531 enable local_aligned_8 local_aligned_16
3532
3533 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
3534 check_inline_asm ibm_asm '"add 0, 0, 0"'
3535 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
3536 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
3537
3538 # AltiVec flags: The FSF version of GCC differs from the Apple version
3539 if enabled altivec; then
3540 nogas=warn
3541 check_cflags -maltivec -mabi=altivec &&
3542 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3543 check_cflags -faltivec
3544
3545 # check if our compiler supports Motorola AltiVec C API
3546 check_cc <<EOF || disable altivec
3547 $inc_altivec_h
3548 int main(void) {
3549 vector signed int v1 = (vector signed int) { 0 };
3550 vector signed int v2 = (vector signed int) { 1 };
3551 v1 = vec_add(v1, v2);
3552 return 0;
3553 }
3554 EOF
3555
3556 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
3557 fi
3558
3559 elif enabled sparc; then
3560
3561 enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
3562
3563 elif enabled x86; then
3564
3565 check_builtin rdtsc intrin.h "__rdtsc()"
3566 check_builtin mm_empty mmintrin.h "_mm_empty()"
3567
3568 enable local_aligned_8 local_aligned_16
3569
3570 # check whether EBP is available on x86
3571 # As 'i' is stored on the stack, this program will crash
3572 # if the base pointer is used to access it because the
3573 # base pointer is cleared in the inline assembly code.
3574 check_exec_crash <<EOF && enable ebp_available
3575 volatile int i=0;
3576 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
3577 return i;
3578 EOF
3579
3580 # check whether EBX is available on x86
3581 check_inline_asm ebx_available '""::"b"(0)' &&
3582 check_inline_asm ebx_available '"":::"%ebx"'
3583
3584 # check whether xmm clobbers are supported
3585 check_inline_asm xmm_clobbers '"":::"%xmm0"'
3586
3587 # check whether binutils is new enough to compile SSSE3/MMXEXT
3588 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
3589 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
3590
3591 if ! disabled_any asm mmx yasm; then
3592 if check_cmd $yasmexe --version; then
3593 enabled x86_64 && yasm_extra="-m amd64"
3594 yasm_debug="-g dwarf2"
3595 elif check_cmd nasm -v; then
3596 yasmexe=nasm
3597 yasm_debug="-g -F dwarf"
3598 enabled x86_64 && test "$objformat" = elf && objformat=elf64
3599 fi
3600
3601 YASMFLAGS="-f $objformat $yasm_extra"
3602 enabled pic && append YASMFLAGS "-DPIC"
3603 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
3604 case "$objformat" in
3605 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3606 esac
3607
3608 check_yasm "movbe ecx, [5]" && enable yasm ||
3609 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
3610 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
3611 check_yasm "CPU amdnop" && enable cpunop
3612 fi
3613
3614 case "$cpu" in
3615 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3616 disable fast_clz
3617 ;;
3618 esac
3619
3620 fi
3621
3622 if enabled asm; then
3623 as=${gas:=$as}
3624 check_as <<EOF && enable gnu_as || \
3625 $nogas "GNU assembler not found, install gas-preprocessor"
3626 .macro m n
3627 \n: .int 0
3628 .endm
3629 m x
3630 EOF
3631 fi
3632
3633 check_ldflags -Wl,--as-needed
3634
3635 if check_func dlopen; then
3636 ldl=
3637 elif check_func dlopen -ldl; then
3638 ldl=-ldl
3639 fi
3640
3641 if ! disabled network; then
3642 check_type "sys/types.h sys/socket.h" socklen_t
3643 check_type netdb.h "struct addrinfo"
3644 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
3645 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
3646 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3647 check_type netinet/in.h "struct sockaddr_in6"
3648 check_type poll.h "struct pollfd"
3649 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3650 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3651 check_type netinet/sctp.h "struct sctp_event_subscribe"
3652 check_func getaddrinfo $network_extralibs
3653 check_func getservbyport $network_extralibs
3654 # Prefer arpa/inet.h over winsock2
3655 if check_header arpa/inet.h ; then
3656 check_func closesocket
3657 elif check_header winsock2.h ; then
3658 check_func_headers winsock2.h closesocket -lws2 &&
3659 network_extralibs="-lws2" ||
3660 { check_func_headers winsock2.h closesocket -lws2_32 &&
3661 network_extralibs="-lws2_32"; }
3662 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
3663 check_type ws2tcpip.h socklen_t
3664 check_type ws2tcpip.h "struct addrinfo"
3665 check_type ws2tcpip.h "struct group_source_req"
3666 check_type ws2tcpip.h "struct ip_mreq_source"
3667 check_type ws2tcpip.h "struct ipv6_mreq"
3668 check_type winsock2.h "struct pollfd"
3669 check_type ws2tcpip.h "struct sockaddr_in6"
3670 check_type ws2tcpip.h "struct sockaddr_storage"
3671 check_struct winsock2.h "struct sockaddr" sa_len
3672 else
3673 disable network
3674 fi
3675 fi
3676
3677 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3678 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3679
3680 check_func fcntl
3681 check_func fork
3682 check_func_headers stdlib.h getenv
3683 check_func gethrtime
3684 check_func getopt
3685 check_func getrusage
3686 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3687 check_func gettimeofday
3688 check_func inet_aton $network_extralibs
3689 check_func isatty
3690 check_func localtime_r
3691 check_func ${malloc_prefix}memalign && enable memalign
3692 check_func mkstemp
3693 check_func mmap
3694 check_func mprotect
3695 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
3696 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
3697 check_func setrlimit
3698 check_func strerror_r
3699 check_func strptime
3700 check_func strtok_r
3701 check_func sched_getaffinity
3702 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
3703 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
3704 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
3705 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
3706 check_func sysconf
3707 check_func sysctl
3708 check_func usleep
3709 check_func_headers io.h setmode
3710 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
3711 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
3712 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3713 check_func_headers windows.h GetProcessAffinityMask
3714 check_func_headers windows.h GetProcessTimes
3715 check_func_headers windows.h GetSystemTimeAsFileTime
3716 check_func_headers windows.h MapViewOfFile
3717 check_func_headers windows.h SetConsoleTextAttribute
3718 check_func_headers windows.h Sleep
3719 check_func_headers windows.h VirtualAlloc
3720
3721 check_header direct.h
3722 check_header dlfcn.h
3723 check_header dxva.h
3724 check_header dxva2api.h
3725 check_header io.h
3726 check_header malloc.h
3727 check_header poll.h
3728 check_header sys/mman.h
3729 check_header sys/param.h
3730 check_header sys/resource.h
3731 check_header sys/select.h
3732 check_header sys/time.h
3733 check_header sys/un.h
3734 check_header unistd.h
3735 check_header vdpau/vdpau.h
3736 check_header vdpau/vdpau_x11.h
3737 check_header VideoDecodeAcceleration/VDADecoder.h
3738 check_header windows.h
3739 check_header X11/extensions/XvMClib.h
3740
3741 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
3742 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3743
3744 if ! disabled w32threads && ! enabled pthreads; then
3745 check_func_headers "windows.h process.h" _beginthreadex && enable w32threads
3746 fi
3747
3748 # check for some common methods of building with pthread support
3749 # do this before the optional library checks as some of them require pthreads
3750 if ! disabled pthreads && ! enabled w32threads; then
3751 enable pthreads
3752 if check_func pthread_create; then
3753 :
3754 elif check_func pthread_create -pthread; then
3755 add_cflags -pthread
3756 add_extralibs -pthread
3757 elif check_func pthread_create -pthreads; then
3758 add_cflags -pthreads
3759 add_extralibs -pthreads
3760 elif check_func pthread_create -lpthreadGC2; then
3761 add_extralibs -lpthreadGC2
3762 elif ! check_lib pthread.h pthread_create -lpthread; then
3763 disable pthreads
3764 fi
3765 fi
3766
3767 for thread in $THREADS_LIST; do
3768 if enabled $thread; then
3769 test -n "$thread_type" &&
3770 die "ERROR: Only one thread type must be selected." ||
3771 thread_type="$thread"
3772 fi
3773 done
3774
3775 enabled sync_val_compare_and_swap && enable atomics_gcc
3776 enabled_all atomic_cas_ptr machine_rw_barrier && enable atomics_suncc
3777 enabled MemoryBarrier && enable atomics_win32
3778
3779 check_lib math.h sin -lm && LIBM="-lm"
3780 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3781
3782 atan2f_args=2
3783 ldexpf_args=2
3784 powf_args=2
3785
3786 for func in $MATH_FUNCS; do
3787 eval check_mathfunc $func \${${func}_args:-1}
3788 done
3789
3790 # these are off by default, so fail if requested and not available
3791 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3792 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3793 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3794 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3795 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
3796 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3797 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
3798 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
3799 done || die "ERROR: libgsm not found"; }
3800 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
3801 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3802 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3803 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3804 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
3805 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3806 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
3807 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3808 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3809 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3810 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
3811 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3812 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3813 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3814 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3815 enabled libvpx && {
3816 enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3817 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3818 enabled libvpx_vp8_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
3819 die "ERROR: libvpx encoder version must be >=0.9.6"; }
3820 enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
3821 enabled libvpx_vp9_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx" -lvpx || disable libvpx_vp9_encoder; } }
3822 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
3823 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
3824 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3825 die "ERROR: libx264 version must be >= 0.118."; }
3826 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
3827 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
3828 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3829 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3830 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3831 die "ERROR: openssl not found"; }
3832
3833 if enabled gnutls; then
3834 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
3835 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
3836 fi
3837
3838 # libdc1394 check
3839 if enabled libdc1394; then
3840 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3841 enable libdc1394_2; } ||
3842 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3843 enable libdc1394_1; } ||
3844 die "ERROR: No version of libdc1394 found "
3845 fi
3846
3847 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3848 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3849 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
3850 enable sdl
3851 fi
3852
3853 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3854
3855 check_header linux/fb.h
3856 check_header linux/videodev2.h
3857 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3858
3859 check_header sys/videoio.h
3860
3861 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3862 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3863 # w32api 3.12 had it defined wrong
3864 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3865
3866 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3867 { check_header dev/bktr/ioctl_meteor.h &&
3868 check_header dev/bktr/ioctl_bt848.h; } ||
3869 { check_header machine/ioctl_meteor.h &&
3870 check_header machine/ioctl_bt848.h; } ||
3871 { check_header dev/video/meteor/ioctl_meteor.h &&
3872 check_header dev/video/bktr/ioctl_bt848.h; } ||
3873 check_header dev/ic/bt8xx.h
3874
3875 check_header sndio.h
3876 check_header sys/soundcard.h
3877 check_header soundcard.h
3878
3879 enabled_any alsa_indev alsa_outdev &&
3880 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3881
3882 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&
3883 check_func jack_port_get_latency_range -ljack
3884
3885 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3886
3887 if enabled libcdio; then
3888 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
3889 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio
3890 fi
3891
3892 enabled x11grab &&
3893 require X11 X11/Xlib.h XOpenDisplay -lX11 &&
3894 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3895 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3896
3897 enabled vdpau &&
3898 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3899 disable vdpau
3900
3901 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3902
3903 # add some useful compiler flags if supported
3904 check_cflags -Wdeclaration-after-statement
3905 check_cflags -Wall
3906 check_cflags -Wno-parentheses
3907 check_cflags -Wno-switch
3908 check_cflags -Wno-format-zero-length
3909 check_cflags -Wdisabled-optimization
3910 check_cflags -Wpointer-arith
3911 check_cflags -Wredundant-decls
3912 check_cflags -Wno-pointer-sign
3913 check_cflags -Wcast-qual
3914 check_cflags -Wwrite-strings
3915 check_cflags -Wtype-limits
3916 check_cflags -Wundef
3917 check_cflags -Wmissing-prototypes
3918 check_cflags -Wstrict-prototypes
3919 enabled extra_warnings && check_cflags -Winline
3920
3921 # add some linker flags
3922 check_ldflags -Wl,--warn-common
3923 check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3924 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3925
3926 enabled xmm_clobber_test &&
3927 check_ldflags -Wl,--wrap,avcodec_open2 \
3928 -Wl,--wrap,avcodec_decode_audio4 \
3929 -Wl,--wrap,avcodec_decode_video2 \
3930 -Wl,--wrap,avcodec_decode_subtitle2 \
3931 -Wl,--wrap,avcodec_encode_audio2 \
3932 -Wl,--wrap,avcodec_encode_video2 \
3933 -Wl,--wrap,avcodec_encode_subtitle \
3934 -Wl,--wrap,sws_scale ||
3935 disable xmm_clobber_test
3936
3937 echo "X{};" > $TMPV
3938 if test_ldflags -Wl,--version-script,$TMPV; then
3939 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3940 check_cc <<EOF && enable symver_asm_label
3941 void ff_foo(void) __asm__ ("av_foo@VERSION");
3942 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3943 EOF
3944 check_cc <<EOF && enable symver_gnu_asm
3945 __asm__(".symver ff_foo,av_foo@VERSION");
3946 void ff_foo(void) {}
3947 EOF
3948 fi
3949
3950 if [ -z "$optflags" ]; then
3951 if enabled small; then
3952 optflags=$cflags_size
3953 elif enabled optimizations; then
3954 optflags=$cflags_speed
3955 else
3956 optflags=$cflags_noopt
3957 fi
3958 fi
3959
3960 check_optflags(){
3961 check_cflags "$@"
3962 enabled lto && check_ldflags "$@"
3963 }
3964
3965
3966 if enabled lto; then
3967 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
3968 check_cflags -flto
3969 check_ldflags -flto $cpuflags
3970 fi
3971
3972 check_optflags $optflags
3973 check_optflags -fno-math-errno
3974 check_optflags -fno-signed-zeros
3975
3976 if enabled icc; then
3977 # Just warnings, no remarks
3978 check_cflags -w1
3979 # -wd: Disable following warnings
3980 # 144, 167, 556: -Wno-pointer-sign
3981 # 1292: attribute "foo" ignored
3982 # 1419: external declaration in primary source file
3983 # 10006: ignoring unknown option -fno-signed-zeros
3984 # 10148: ignoring unknown option -Wno-parentheses
3985 # 10156: ignoring option '-W'; no argument required
3986 check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3987 # 11030: Warning unknown option --as-needed
3988 # 10156: ignoring option '-export'; no argument required
3989 check_ldflags -wd10156,11030
3990 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3991 enable ebp_available
3992 if enabled x86_32; then
3993 icc_version=$($cc -dumpversion)
3994 test ${icc_version%%.*} -ge 11 &&
3995 check_cflags -falign-stack=maintain-16-byte ||
3996 disable aligned_stack
3997 fi
3998 elif enabled ccc; then
3999 # disable some annoying warnings
4000 add_cflags -msg_disable bitnotint
4001 add_cflags -msg_disable mixfuncvoid
4002 add_cflags -msg_disable nonstandcast
4003 add_cflags -msg_disable unsupieee
4004 elif enabled gcc; then
4005 check_optflags -fno-tree-vectorize
4006 check_cflags -Werror=implicit-function-declaration
4007 check_cflags -Werror=missing-prototypes
4008 check_cflags -Werror=return-type
4009 check_cflags -Werror=declaration-after-statement
4010 check_cflags -Werror=vla
4011 enabled extra_warnings || check_cflags -Wno-maybe-uninitialized
4012 elif enabled llvm_gcc; then
4013 check_cflags -mllvm -stack-alignment=16
4014 elif enabled clang; then
4015 check_cflags -mllvm -stack-alignment=16
4016 check_cflags -Qunused-arguments
4017 check_cflags -Werror=implicit-function-declaration
4018 check_cflags -Werror=missing-prototypes
4019 check_cflags -Werror=return-type
4020 elif enabled cparser; then
4021 add_cflags -Wno-missing-variable-declarations
4022 add_cflags -Wno-empty-statement
4023 elif enabled armcc; then
4024 # 2523: use of inline assembler is deprecated
4025 add_cflags -W${armcc_opt},--diag_suppress=2523
4026 add_cflags -W${armcc_opt},--diag_suppress=1207
4027 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
4028 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
4029 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
4030 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
4031 elif enabled tms470; then
4032 add_cflags -pds=824 -pds=837
4033 elif enabled pathscale; then
4034 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
4035 elif enabled_any msvc icl; then
4036 enabled x86_32 && disable aligned_stack
4037 enabled_all x86_32 debug && add_cflags -Oy-
4038 enabled debug && add_ldflags -debug
4039 enable pragma_deprecated
4040 if enabled icl; then
4041 # -Qansi-alias is basically -fstrict-aliasing, but does not work
4042 # (correctly) on icl 13.x.
4043 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
4044 add_cflags -Qansi-alias
4045 # icl will pass the inline asm tests but inline asm is currently
4046 # not supported (build will fail)
4047 disable inline_asm
4048 fi
4049 fi
4050
4051 case $target_os in
4052 osf1)
4053 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
4054 ;;
4055 plan9)
4056 add_cppflags -Dmain=plan9_main
4057 ;;
4058 esac
4059
4060 enabled_any $THREADS_LIST && enable threads
4061 enabled_any $ATOMICS_LIST && enable atomics_native
4062
4063 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
4064
4065 check_deps $CONFIG_LIST \
4066 $CONFIG_EXTRA \
4067 $HAVE_LIST \
4068 $ALL_COMPONENTS \
4069
4070 ! enabled_any memalign posix_memalign aligned_malloc &&
4071 enabled_any $need_memalign && enable memalign_hack
4072
4073 echo "install prefix $prefix"
4074 echo "source path $source_path"
4075 echo "C compiler $cc"
4076 echo "ARCH $arch ($cpu)"
4077 if test "$build_suffix" != ""; then
4078 echo "build suffix $build_suffix"
4079 fi
4080 if test "$extra_version" != ""; then
4081 echo "version string suffix $extra_version"
4082 fi
4083 echo "big-endian ${bigendian-no}"
4084 echo "runtime cpu detection ${runtime_cpudetect-no}"
4085 if enabled x86; then
4086 echo "${yasmexe} ${yasm-no}"
4087 echo "MMX enabled ${mmx-no}"
4088 echo "MMXEXT enabled ${mmxext-no}"
4089 echo "3DNow! enabled ${amd3dnow-no}"
4090 echo "3DNow! extended enabled ${amd3dnowext-no}"
4091 echo "SSE enabled ${sse-no}"
4092 echo "SSSE3 enabled ${ssse3-no}"
4093 echo "AVX enabled ${avx-no}"
4094 echo "FMA4 enabled ${fma4-no}"
4095 echo "i686 features enabled ${i686-no}"
4096 echo "CMOV is fast ${fast_cmov-no}"
4097 echo "EBX available ${ebx_available-no}"
4098 echo "EBP available ${ebp_available-no}"
4099 fi
4100 if enabled arm; then
4101 echo "ARMv5TE enabled ${armv5te-no}"
4102 echo "ARMv6 enabled ${armv6-no}"
4103 echo "ARMv6T2 enabled ${armv6t2-no}"
4104 echo "VFP enabled ${vfp-no}"
4105 echo "NEON enabled ${neon-no}"
4106 fi
4107 if enabled ppc; then
4108 echo "AltiVec enabled ${altivec-no}"
4109 echo "PPC 4xx optimizations ${ppc4xx-no}"
4110 echo "dcbzl available ${dcbzl-no}"
4111 fi
4112 if enabled sparc; then
4113 echo "VIS enabled ${vis-no}"
4114 fi
4115 echo "debug symbols ${debug-no}"
4116 echo "optimize for size ${small-no}"
4117 echo "optimizations ${optimizations-no}"
4118 echo "static ${static-no}"
4119 echo "shared ${shared-no}"
4120 echo "new filter support ${avfilter-no}"
4121 echo "network support ${network-no}"
4122 echo "threading support ${thread_type-no}"
4123 echo "safe bitstream reader ${safe_bitstream_reader-no}"
4124 echo "SDL support ${sdl-no}"
4125 test -n "$random_seed" &&
4126 echo "random seed ${random_seed}"
4127 echo
4128
4129 echo "External libraries:"
4130 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
4131 echo
4132
4133 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
4134 echo "Enabled ${type}s:"
4135 eval list=\$$(toupper $type)_LIST
4136 print_enabled '_*' $list | print_3_columns
4137 echo
4138 done
4139
4140 license="LGPL version 2.1 or later"
4141 if enabled nonfree; then
4142 license="nonfree and unredistributable"
4143 elif enabled gplv3; then
4144 license="GPL version 3 or later"
4145 elif enabled lgplv3; then
4146 license="LGPL version 3 or later"
4147 elif enabled gpl; then
4148 license="GPL version 2 or later"
4149 fi
4150
4151 echo "License: $license"
4152
4153 echo "Creating config.mak and config.h..."
4154
4155 test -e Makefile || $ln_s "$source_path/Makefile" .
4156
4157 config_files="$TMPH config.mak"
4158
4159 cat > config.mak <<EOF
4160 # Automatically generated by configure - do not modify!
4161 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
4162 prefix=$prefix
4163 LIBDIR=\$(DESTDIR)$libdir
4164 SHLIBDIR=\$(DESTDIR)$shlibdir
4165 INCDIR=\$(DESTDIR)$incdir
4166 BINDIR=\$(DESTDIR)$bindir
4167 DATADIR=\$(DESTDIR)$datadir
4168 DOCDIR=\$(DESTDIR)$docdir
4169 MANDIR=\$(DESTDIR)$mandir
4170 SRC_PATH=$source_path
4171 CC_IDENT=$cc_ident
4172 ARCH=$arch
4173 CC=$cc
4174 AS=$as
4175 LD=$ld
4176 DEPCC=$dep_cc
4177 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
4178 DEPAS=$as
4179 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
4180 YASM=$yasmexe
4181 DEPYASM=$yasmexe
4182 AR=$ar
4183 ARFLAGS=$arflags
4184 AR_O=$ar_o
4185 RANLIB=$ranlib
4186 STRIP=$strip
4187 LN_S=$ln_s
4188 CPPFLAGS=$CPPFLAGS
4189 CFLAGS=$CFLAGS
4190 ASFLAGS=$ASFLAGS
4191 AS_C=$AS_C
4192 AS_O=$AS_O
4193 CC_C=$CC_C
4194 CC_E=$CC_E
4195 CC_O=$CC_O
4196 LD_O=$LD_O
4197 LD_LIB=$LD_LIB
4198 LD_PATH=$LD_PATH
4199 DLLTOOL=$dlltool
4200 LDFLAGS=$LDFLAGS
4201 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
4202 YASMFLAGS=$YASMFLAGS
4203 BUILDSUF=$build_suffix
4204 FULLNAME=$FULLNAME
4205 LIBPREF=$LIBPREF
4206 LIBSUF=$LIBSUF
4207 LIBNAME=$LIBNAME
4208 SLIBPREF=$SLIBPREF
4209 SLIBSUF=$SLIBSUF
4210 EXESUF=$EXESUF
4211 EXTRA_VERSION=$extra_version
4212 CCDEP=$CCDEP
4213 CCDEP_FLAGS=$CCDEP_FLAGS
4214 ASDEP=$ASDEP
4215 ASDEP_FLAGS=$ASDEP_FLAGS
4216 CC_DEPFLAGS=$CC_DEPFLAGS
4217 AS_DEPFLAGS=$AS_DEPFLAGS
4218 HOSTCC=$host_cc
4219 HOSTLD=$host_ld
4220 HOSTCFLAGS=$host_cflags
4221 HOSTCPPFLAGS=$host_cppflags
4222 HOSTEXESUF=$HOSTEXESUF
4223 HOSTLDFLAGS=$host_ldflags
4224 HOSTLIBS=$host_libs
4225 DEPHOSTCC=$host_cc
4226 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
4227 HOSTCCDEP=$HOSTCCDEP
4228 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
4229 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
4230 HOSTCC_C=$HOSTCC_C
4231 HOSTCC_O=$HOSTCC_O
4232 HOSTLD_O=$HOSTLD_O
4233 TARGET_EXEC=$target_exec $target_exec_args
4234 TARGET_PATH=$target_path
4235 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
4236 LIBS-avplay=$sdl_libs
4237 CFLAGS-avplay=$sdl_cflags
4238 ZLIB=$($ldflags_filter -lz)
4239 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
4240 EXTRALIBS=$extralibs
4241 COMPAT_OBJS=$compat_objs
4242 EXEOBJS=$exeobjs
4243 INSTALL=install
4244 LIBTARGET=${LIBTARGET}
4245 SLIBNAME=${SLIBNAME}
4246 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
4247 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
4248 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
4249 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
4250 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
4251 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
4252 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
4253 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
4254 SAMPLES:=${samples:-\$(LIBAV_SAMPLES)}
4255 EOF
4256
4257 get_version(){
4258 lcname=lib${1}
4259 name=$(toupper $lcname)
4260 file=$source_path/$lcname/version.h
4261 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
4262 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4263 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4264 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4265 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
4266 }
4267
4268 map 'get_version $v' $LIBRARY_LIST
4269
4270 cat > $TMPH <<EOF
4271 /* Automatically generated by configure - do not modify! */
4272 #ifndef LIBAV_CONFIG_H
4273 #define LIBAV_CONFIG_H
4274 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
4275 #define LIBAV_LICENSE "$(c_escape $license)"
4276 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
4277 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
4278 #define restrict $_restrict
4279 #define EXTERN_PREFIX "${extern_prefix}"
4280 #define EXTERN_ASM ${extern_prefix}
4281 #define SLIBSUF "$SLIBSUF"
4282 EOF
4283
4284 test -n "$malloc_prefix" &&
4285 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
4286
4287 if enabled yasm; then
4288 append config_files $TMPASM
4289 printf '' >$TMPASM
4290 fi
4291
4292 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
4293
4294 print_config ARCH_ "$config_files" $ARCH_LIST
4295 print_config HAVE_ "$config_files" $HAVE_LIST
4296 print_config CONFIG_ "$config_files" $CONFIG_LIST \
4297 $CONFIG_EXTRA \
4298 $ALL_COMPONENTS \
4299
4300 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
4301
4302 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
4303 cp_if_changed $TMPH config.h
4304 touch .config
4305
4306 enabled yasm && cp_if_changed $TMPASM config.asm
4307
4308 cat > $TMPH <<EOF
4309 /* Generated by ffconf */
4310 #ifndef AVUTIL_AVCONFIG_H
4311 #define AVUTIL_AVCONFIG_H
4312 EOF
4313
4314 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
4315
4316 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
4317
4318 cp_if_changed $TMPH libavutil/avconfig.h
4319
4320 test -n "$WARNINGS" && printf "\n$WARNINGS"
4321
4322 # build pkg-config files
4323
4324 pkgconfig_generate(){
4325 name=$1
4326 shortname=${name#lib}${build_suffix}
4327 comment=$2
4328 version=$3
4329 libs=$4
4330 requires=$5
4331 enabled ${name#lib} || return 0
4332 mkdir -p $name
4333 cat <<EOF > $name/$name.pc
4334 prefix=$prefix
4335 exec_prefix=\${prefix}
4336 libdir=$libdir
4337 includedir=$incdir
4338
4339 Name: $name
4340 Description: $comment
4341 Version: $version
4342 Requires: $(enabled shared || echo $requires)
4343 Requires.private: $(enabled shared && echo $requires)
4344 Conflicts:
4345 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4346 Libs.private: $(enabled shared && echo $libs)
4347 Cflags: -I\${includedir}
4348 EOF
4349 cat <<EOF > $name/$name-uninstalled.pc
4350 prefix=
4351 exec_prefix=
4352 libdir=\${pcfiledir}
4353 includedir=${source_path}
4354
4355 Name: $name
4356 Description: $comment<