configure: initialise all flag filters at the same place
[libav.git] / configure
</
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
070c5d0f 3# Libav configure script
f57620d5 4#
949906ea
DB
5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
79ab96ba
DB
11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
c21d6325
MR
15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
c21d6325
MR
20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
0dbe81bb
MR
24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
0dbe81bb
MR
27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
c21d6325
MR
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 "$0" "$@"
cde2d79a
MR
43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
070c5d0f 47 echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
505dfb09 48 echo "Instead, install a working POSIX-compatible shell."
070c5d0f 49 echo "Disabling this configure test will create a broken Libav."
c21d6325
MR
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
cde2d79a
MR
54 exit 1
55fi
56
74c53c2d 57show_help(){
06454877
MR
58cat <<EOF
59Usage: configure [options]
60Options: [defaults in brackets after descriptions]
61
3b327a4b 62Help options:
06454877 63 --help print this message
3b327a4b
DB
64 --list-decoders show all available decoders
65 --list-encoders show all available encoders
66 --list-hwaccels show all available hardware accelerators
67 --list-demuxers show all available demuxers
68 --list-muxers show all available muxers
69 --list-parsers show all available parsers
70 --list-protocols show all available protocols
71 --list-bsfs show all available bitstream filters
72 --list-indevs show all available input devices
73 --list-outdevs show all available output devices
74 --list-filters show all available filters
75
76Standard options:
19bd477d 77 --logfile=FILE log tests and output to FILE [config.log]
06454877
MR
78 --disable-logging do not log configure debug information
79 --prefix=PREFIX install in PREFIX [$prefix]
80 --bindir=DIR install binaries in DIR [PREFIX/bin]
6291d7e4 81 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
06454877
MR
82 --libdir=DIR install libs in DIR [PREFIX/lib]
83 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
84 --incdir=DIR install includes in DIR [PREFIX/include]
85 --mandir=DIR install man page in DIR [PREFIX/share/man]
86
3b327a4b 87Licensing options:
06454877
MR
88 --enable-gpl allow use of GPL code, the resulting libs
89 and binaries will be under GPL [no]
90 --enable-version3 upgrade (L)GPL to version 3 [no]
91 --enable-nonfree allow use of nonfree code, the resulting libs
92 and binaries will be unredistributable [no]
3b327a4b
DB
93
94Configuration options:
95 --disable-static do not build static libraries [no]
96 --enable-shared build shared libraries [no]
97 --enable-small optimize for size instead of speed
98 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
99 --enable-gray enable full grayscale support (slower color)
100 --disable-swscale-alpha disable alpha channel support in swscale
101
102Component options:
06454877 103 --disable-doc do not build documentation
6291d7e4 104 --disable-avconv disable avconv build
266463da 105 --disable-avplay disable avplay build
9e12f0bf 106 --disable-avprobe disable avprobe build
4d58e4cb 107 --disable-avserver disable avserver build
5a0f7131
MR
108 --disable-avdevice disable libavdevice build
109 --disable-avcodec disable libavcodec build
110 --disable-avformat disable libavformat build
111 --disable-swscale disable libswscale build
cccc039f 112 --disable-avfilter disable video filter support [no]
c8af852b 113 --disable-avresample disable libavresample build [no]
0dbfc1db 114 --disable-pthreads disable pthreads [auto]
7b7b220c 115 --disable-w32threads disable Win32 threads [auto]
06454877
MR
116 --enable-x11grab enable X11 grabbing [no]
117 --disable-network disable network support [no]
7f3f5f46 118 --disable-dct disable DCT code
06454877
MR
119 --disable-mdct disable MDCT code
120 --disable-rdft disable RDFT code
3b327a4b
DB
121 --disable-fft disable FFT code
122 --enable-dxva2 enable DXVA2 code
dcb73592 123 --enable-vaapi enable VAAPI code
ac3dbb4d 124 --enable-vda enable VDA code
e8f6bd4b 125 --enable-vdpau enable VDPAU code
3b327a4b
DB
126
127Individual component options:
bb55e3a3 128 --disable-everything disable all components listed below
06454877
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129 --disable-encoder=NAME disable encoder NAME
130 --enable-encoder=NAME enable encoder NAME
131 --disable-encoders disable all encoders
132 --disable-decoder=NAME disable decoder NAME
133 --enable-decoder=NAME enable decoder NAME
134 --disable-decoders disable all decoders
135 --disable-hwaccel=NAME disable hwaccel NAME
136 --enable-hwaccel=NAME enable hwaccel NAME
137 --disable-hwaccels disable all hwaccels
138 --disable-muxer=NAME disable muxer NAME
139 --enable-muxer=NAME enable muxer NAME
140 --disable-muxers disable all muxers
141 --disable-demuxer=NAME disable demuxer NAME
142 --enable-demuxer=NAME enable demuxer NAME
143 --disable-demuxers disable all demuxers
144 --enable-parser=NAME enable parser NAME
145 --disable-parser=NAME disable parser NAME
146 --disable-parsers disable all parsers
147 --enable-bsf=NAME enable bitstream filter NAME
148 --disable-bsf=NAME disable bitstream filter NAME
149 --disable-bsfs disable all bitstream filters
150 --enable-protocol=NAME enable protocol NAME
151 --disable-protocol=NAME disable protocol NAME
152 --disable-protocols disable all protocols
3b327a4b 153 --enable-indev=NAME enable input device NAME
06454877 154 --disable-indev=NAME disable input device NAME
06454877 155 --disable-indevs disable input devices
3b327a4b
DB
156 --enable-outdev=NAME enable output device NAME
157 --disable-outdev=NAME disable output device NAME
06454877
MR
158 --disable-outdevs disable output devices
159 --disable-devices disable all devices
160 --enable-filter=NAME enable filter NAME
161 --disable-filter=NAME disable filter NAME
162 --disable-filters disable all filters
06454877
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163
164External library support:
165 --enable-avisynth enable reading of AVISynth script files [no]
166 --enable-bzlib enable bzlib [autodetect]
47941088 167 --enable-frei0r enable frei0r video filtering
bc8c1395 168 --enable-gnutls enable gnutls [no]
e417d80d 169 --enable-libcdio enable audio CD grabbing with libcdio
06454877
MR
170 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
171 and libraw1394 [no]
c547e5ff
DB
172 --enable-libfaac enable AAC encoding via libfaac [no]
173 --enable-libfdk-aac enable AAC encoding via libfdk-aac [no]
a5b64584 174 --enable-libfreetype enable libfreetype [no]
c547e5ff 175 --enable-libgsm enable GSM de/encoding via libgsm [no]
3641b048 176 --enable-libilbc enable iLBC de/encoding via libilbc [no]
06454877 177 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
becc3c62
MS
178 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
179 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
180 --enable-libopencv enable video filtering via libopencv [no]
453c02f9 181 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
7c922411 182 --enable-libpulse enable Pulseaudio input via libpulse [no]
0f943ce6 183 --enable-librtmp enable RTMP[E] support via librtmp [no]
c547e5ff
DB
184 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
185 --enable-libspeex enable Speex de/encoding via libspeex [no]
06454877 186 --enable-libtheora enable Theora encoding via libtheora [no]
d89e738a 187 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
f502ff3f 188 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
c547e5ff
DB
189 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
190 --enable-libvpx enable VP8 de/encoding via libvpx [no]
06454877 191 --enable-libx264 enable H.264 encoding via x264 [no]
de295976 192 --enable-libxavs enable AVS encoding via xavs [no]
06454877
MR
193 --enable-libxvid enable Xvid encoding via xvidcore,
194 native MPEG-4/Xvid encoder exists [no]
a060866f 195 --enable-openssl enable openssl [no]
06454877
MR
196 --enable-zlib enable zlib [autodetect]
197
198Advanced options (experts only):
06454877
MR
199 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
200 --enable-cross-compile assume a cross-compiler is used
201 --sysroot=PATH root of cross-build tree
202 --sysinclude=PATH location of cross-build system headers
203 --target-os=OS compiler targets OS [$target_os]
204 --target-exec=CMD command to run executables on target
205 --target-path=DIR path to view of build directory on target
206 --nm=NM use nm tool
121d78d0 207 --ar=AR use archive tool AR [$ar_default]
06454877
MR
208 --as=AS use assembler AS [$as_default]
209 --cc=CC use C compiler CC [$cc_default]
210 --ld=LD use linker LD
211 --host-cc=HOSTCC use host C compiler HOSTCC
212 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
213 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
214 --host-libs=HLIBS use libs HLIBS when linking for host
215 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
216 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
217 --extra-libs=ELIBS add ELIBS [$ELIBS]
218 --extra-version=STRING version string suffix []
3b327a4b 219 --optflags override optimization-related compiler flags
06454877 220 --build-suffix=SUFFIX library name suffix []
3b327a4b 221 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
06454877
MR
222 --arch=ARCH select architecture [$arch]
223 --cpu=CPU select the minimum required CPU (affects
224 instruction selection, may crash on older CPUs)
3b327a4b
DB
225 --enable-pic build position-independent code
226 --enable-sram allow use of on-chip SRAM
227 --disable-symver disable symbol versioning
228 --disable-fastdiv disable table-based division
229 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
230 --disable-safe-bitstream-reader
231 disable buffer boundary checking in bitreaders
232 (faster, but may crash)
233 --enable-memalign-hack emulate memalign, interferes with memory debuggers
234
235Optimization options (experts only):
c8a4ae00 236 --disable-asm disable all assembler optimizations
06454877
MR
237 --disable-altivec disable AltiVec optimizations
238 --disable-amd3dnow disable 3DNow! optimizations
239 --disable-amd3dnowext disable 3DNow! extended optimizations
240 --disable-mmx disable MMX optimizations
241 --disable-mmx2 disable MMX2 optimizations
242 --disable-sse disable SSE optimizations
243 --disable-ssse3 disable SSSE3 optimizations
87f1355f 244 --disable-avx disable AVX optimizations
06454877
MR
245 --disable-armv5te disable armv5te optimizations
246 --disable-armv6 disable armv6 optimizations
247 --disable-armv6t2 disable armv6t2 optimizations
248 --disable-armvfp disable ARM VFP optimizations
06454877 249 --disable-mmi disable MMI optimizations
5ea20630 250 --disable-neon disable NEON optimizations
06454877
MR
251 --disable-vis disable VIS optimizations
252 --disable-yasm disable use of yasm assembler
06454877 253
070c5d0f 254Developer options (useful when working on Libav itself):
06454877
MR
255 --disable-debug disable debugging symbols
256 --enable-debug=LEVEL set the debug level [$debuglevel]
06454877
MR
257 --disable-optimizations disable compiler optimizations
258 --enable-extra-warnings enable more compiler warnings
52b3cc60 259 --samples=PATH location of test samples for FATE, if not set use
9309bdfe 260 \$LIBAV_SAMPLES at make invocation time.
7e4d9d5d
RB
261 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
262 should be used only for debugging purposes)
06454877
MR
263
264NOTE: Object files are built at the place where configure is launched.
265EOF
60e8bc13 266 exit 0
74c53c2d 267}
cf9d24ad 268
0884fadf
MR
269quotes='""'
270
57bd82d4 271log(){
2270b4b2 272 echo "$@" >> $logfile
57bd82d4
MR
273}
274
720c69da 275log_file(){
c8e9f801 276 log BEGIN $1
2270b4b2 277 pr -n -t $1 >> $logfile
c8e9f801
MR
278 log END $1
279}
280
2ba042a7 281echolog(){
c8e9f801 282 log "$@"
57bd82d4 283 echo "$@"
2ba042a7
MR
284}
285
7bfc8ae6
MR
286warn(){
287 log "WARNING: $*"
288 WARNINGS="${WARNINGS}WARNING: $*\n"
289}
290
2ba042a7
MR
291die(){
292 echolog "$@"
293 cat <<EOF
d326cf7f 294
2ba042a7 295If you think configure made a mistake, make sure you are using the latest
4a6a21f5 296version from Git. If the latest version fails, report the problem to the
070c5d0f 297libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
2ba042a7 298EOF
e155a21a 299 if disabled logging; then
2ba042a7 300 cat <<EOF
e155a21a
DB
301Rerun configure with logging enabled (do not use --disable-logging), and
302include the log this produces with your report.
2ba042a7
MR
303EOF
304 else
305cat <<EOF
e155a21a
DB
306Include the log file "$logfile" produced by configure as this will help
307solving the problem.
2ba042a7
MR
308EOF
309 fi
57bd82d4
MR
310 exit 1
311}
312
6c6007d6 313# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 314toupper(){
6c6007d6 315 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
44161118
MR
316}
317
4a5444db 318tolower(){
6c6007d6 319 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
4a5444db
MR
320}
321
14a8acf1
MR
322c_escape(){
323 echo "$*" | sed 's/["\\]/\\\0/g'
324}
325
b04251c5
MR
326sh_quote(){
327 v=$(echo "$1" | sed "s/'/'\\\\''/g")
d72c981c 328 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
b04251c5
MR
329 echo "$v"
330}
331
bb7a22b5
MR
332cleanws(){
333 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
334}
335
be8f2501
MR
336filter(){
337 pat=$1
338 shift
339 for v; do
98ef6079 340 eval "case $v in $pat) echo $v ;; esac"
be8f2501
MR
341 done
342}
343
9d201b26
MR
344filter_out(){
345 pat=$1
346 shift
347 for v; do
348 eval "case $v in $pat) ;; *) echo $v ;; esac"
349 done
350}
351
36e2dea0
MR
352map(){
353 m=$1
354 shift
e0e335a0 355 for v; do eval $m; done
36e2dea0
MR
356}
357
a8d04fba
MR
358set_all(){
359 value=$1
360 shift
361 for var in $*; do
362 eval $var=$value
363 done
364}
365
72a43668
MR
366set_weak(){
367 value=$1
368 shift
369 for var; do
370 eval : \${$var:=$value}
371 done
372}
373
3f8040db
MR
374set_safe(){
375 var=$1
376 shift
377 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
378}
379
380get_safe(){
381 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
382}
383
799c9e9b
MR
384pushvar(){
385 for var in $*; do
386 eval level=\${${var}_level:=0}
387 eval ${var}_${level}="\$$var"
388 eval ${var}_level=$(($level+1))
389 done
390}
391
392popvar(){
393 for var in $*; do
394 eval level=\${${var}_level:-0}
395 test $level = 0 && continue
396 eval level=$(($level-1))
397 eval $var="\${${var}_${level}}"
398 eval ${var}_level=$level
399 eval unset ${var}_${level}
400 done
401}
402
a8d04fba
MR
403enable(){
404 set_all yes $*
405}
406
407disable(){
408 set_all no $*
409}
410
72a43668
MR
411enable_weak(){
412 set_weak yes $*
413}
414
415disable_weak(){
416 set_weak no $*
417}
418
72702705 419enable_safe(){
fd07f803
MR
420 for var; do
421 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
422 done
72702705
MR
423}
424
425disable_safe(){
fd07f803
MR
426 for var; do
427 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
428 done
72702705
MR
429}
430
f9d328da
MR
431do_enable_deep(){
432 for var; do
433 enabled $var && continue
434 eval sel="\$${var}_select"
c510c7b5
MR
435 eval sgs="\$${var}_suggest"
436 pushvar var sgs
f9d328da 437 enable_deep $sel
c510c7b5
MR
438 popvar sgs
439 enable_deep_weak $sgs
f9d328da
MR
440 popvar var
441 done
442}
443
444enable_deep(){
445 do_enable_deep $*
446 enable $*
447}
448
72a43668
MR
449enable_deep_weak(){
450 do_enable_deep $*
451 enable_weak $*
452}
453
57bd82d4 454enabled(){
3250003c
MR
455 test "${1#!}" = "$1" && op== || op=!=
456 eval test "x\$${1#!}" $op "xyes"
44161118
MR
457}
458
37970ebf 459disabled(){
3250003c
MR
460 test "${1#!}" = "$1" && op== || op=!=
461 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
462}
463
44161118
MR
464enabled_all(){
465 for opt; do
466 enabled $opt || return 1
467 done
468}
469
85bca2c5
DB
470disabled_all(){
471 for opt; do
472 disabled $opt || return 1
473 done
474}
475
44161118
MR
476enabled_any(){
477 for opt; do
478 enabled $opt && return 0
479 done
480}
481
85bca2c5
DB
482disabled_any(){
483 for opt; do
484 disabled $opt && return 0
485 done
f7b230a7 486 return 1
85bca2c5
DB
487}
488
c9d19248
MR
489set_default(){
490 for opt; do
88268e94 491 eval : \${$opt:=\$${opt}_default}
c9d19248
MR
492 done
493}
494
4a0d6686
AJ
495is_in(){
496 value=$1
497 shift
498 for var in $*; do
499 [ $var = $value ] && return 0
500 done
501 return 1
502}
503
30fd06be
MR
504check_deps(){
505 for cfg; do
3250003c 506 cfg="${cfg#!}"
799c9e9b
MR
507 enabled ${cfg}_checking && die "Circular dependency for $cfg."
508 disabled ${cfg}_checking && continue
509 enable ${cfg}_checking
510
30fd06be
MR
511 eval dep_all="\$${cfg}_deps"
512 eval dep_any="\$${cfg}_deps_any"
7ef3425f 513 eval dep_sel="\$${cfg}_select"
c510c7b5 514 eval dep_sgs="\$${cfg}_suggest"
3d7453e0
MR
515 eval dep_ifa="\$${cfg}_if"
516 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 517
3d7453e0
MR
518 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
519 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
520 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 521
3d7453e0
MR
522 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
523 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
6a702d4c
MR
524 enabled_all $dep_all || disable $cfg
525 enabled_any $dep_any || disable $cfg
7ef3425f 526 disabled_any $dep_sel && disable $cfg
799c9e9b 527
4ec45764
RP
528 if enabled $cfg; then
529 eval dep_extralibs="\$${cfg}_extralibs"
530 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 531 enable_deep $dep_sel
c510c7b5 532 enable_deep_weak $dep_sgs
4ec45764
RP
533 fi
534
799c9e9b 535 disable ${cfg}_checking
30fd06be
MR
536 done
537}
538
72cfcf41
MR
539print_config_h(){
540 enabled $1 && v=1 || v=0
541 echo "#define $2 $v"
542}
543
544print_config_mak(){
545 enabled $1 && v= || v=!
546 echo "$v$2=yes"
547}
548
55127e7b 549print_config_asm(){
3b15a6d7
RB
550 enabled $1 && v=1 || v=0
551 echo "%define $2 $v"
55127e7b
MR
552}
553
44161118
MR
554print_config(){
555 pfx=$1
72cfcf41
MR
556 files=$2
557 shift 2
44161118 558 for cfg; do
5e622c40 559 ucname="$(toupper $cfg)"
72cfcf41
MR
560 for f in $files; do
561 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
562 done
44161118 563 done
57bd82d4
MR
564}
565
31c0121d
MR
566print_enabled(){
567 test "$1" = -n && end=" " && shift || end="\n"
568 suf=$1
569 shift
570 for v; do
571 enabled $v && printf "%s$end" ${v%$suf};
572 done
573}
574
57bd82d4
MR
575append(){
576 var=$1
577 shift
57bd82d4
MR
578 eval "$var=\"\$$var $*\""
579}
580
60361817
MR
581prepend(){
582 var=$1
583 shift
584 eval "$var=\"$* \$$var\""
585}
586
50a334e4 587add_cppflags(){
cd52ec95 588 append CPPFLAGS "$@"
50a334e4
MR
589}
590
57bd82d4 591add_cflags(){
01d31e16 592 append CFLAGS $($cflags_filter "$@")
57bd82d4
MR
593}
594
2f2e6c7c 595add_asflags(){
01d31e16 596 append ASFLAGS $($asflags_filter "$@")
2f2e6c7c
MR
597}
598
57bd82d4 599add_ldflags(){
64933b6c 600 append LDFLAGS $($ldflags_filter "$@")
57bd82d4
MR
601}
602
603add_extralibs(){
64933b6c 604 prepend extralibs $($ldflags_filter "$@")
57bd82d4
MR
605}
606
b0cfb663 607check_cmd(){
b3cb5d51 608 log "$@"
2270b4b2 609 "$@" >> $logfile 2>&1
b0cfb663
MR
610}
611
dcd479c0 612check_cc(){
57bd82d4 613 log check_cc "$@"
2270b4b2 614 cat > $TMPC
720c69da 615 log_file $TMPC
50a334e4 616 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
617}
618
619check_cpp(){
620 log check_cpp "$@"
2270b4b2 621 cat > $TMPC
720c69da 622 log_file $TMPC
9e7f3277 623 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
MR
624}
625
f65883c8
MR
626check_as(){
627 log check_as "$@"
628 cat > $TMPC
629 log_file $TMPC
2f2e6c7c 630 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
f65883c8
MR
631}
632
940f335a
MR
633check_asm(){
634 log check_asm "$@"
635 name="$1"
3784e82e 636 code="$2"
940f335a 637 shift 2
49214f61
MR
638 disable $name
639 check_as "$@" <<EOF && enable $name
3784e82e 640void foo(void){ __asm__ volatile($code); }
940f335a
MR
641EOF
642}
643
304d586d
LM
644check_yasm(){
645 log check_yasm "$@"
646 echo "$1" > $TMPS
647 log_file $TMPS
648 shift 1
649 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
650}
651
dcd479c0 652check_ld(){
57bd82d4 653 log check_ld "$@"
3155a644
MR
654 flags=''
655 libs=''
656 for f; do
657 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
658 done
01d31e16 659 check_cc $($cflags_filter $flags) || return
64933b6c
MR
660 flags=$($ldflags_filter $flags)
661 libs=$($ldflags_filter $libs)
7e75f9fe 662 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
dcd479c0
MR
663}
664
5adc829e
MR
665check_code(){
666 log check_code "$@"
667 check=$1
668 headers=$2
669 code=$3
670 shift 3
671 {
672 for hdr in $headers; do
673 echo "#include <$hdr>"
674 done
675 echo "int main(void) { $code; return 0; }"
676 } | check_$check "$@"
677}
678
50a334e4
MR
679check_cppflags(){
680 log check_cppflags "$@"
caf458dd 681 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
682int x;
683EOF
684}
685
dcd479c0 686check_cflags(){
57bd82d4 687 log check_cflags "$@"
01d31e16 688 set -- $($cflags_filter "$@")
caf458dd 689 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
690int x;
691EOF
692}
693
2ed46eea
MR
694test_ldflags(){
695 log test_ldflags "$@"
696 check_ld "$@" <<EOF
c23a0ac8 697int main(void){ return 0; }
dcd479c0
MR
698EOF
699}
700
2ed46eea
MR
701check_ldflags(){
702 log check_ldflags "$@"
703 test_ldflags "$@" && add_ldflags "$@"
704}
705
dcd479c0 706check_header(){
57bd82d4 707 log check_header "$@"
dcd479c0
MR
708 header=$1
709 shift
b77df637
MR
710 disable_safe $header
711 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
712#include <$header>
713int x;
714EOF
715}
716
717check_func(){
57bd82d4 718 log check_func "$@"
dcd479c0
MR
719 func=$1
720 shift
d8bc5f06
MR
721 disable $func
722 check_ld "$@" <<EOF && enable $func
dcd479c0 723extern int $func();
c23a0ac8 724int main(void){ $func(); }
dcd479c0
MR
725EOF
726}
727
645d2652 728check_mathfunc(){
6b73c0ae 729 log check_mathfunc "$@"
645d2652
MR
730 func=$1
731 shift
732 disable $func
733 check_ld "$@" <<EOF && enable $func
734#include <math.h>
33bd38db
MR
735float foo(float f) { return $func(f); }
736int main(void){ return 0; }
645d2652
MR
737EOF
738}
739
2446d3d6
DB
740check_func_headers(){
741 log check_func_headers "$@"
f8d7b072 742 headers=$1
edaf1ae2 743 funcs=$2
f8d7b072 744 shift 2
edaf1ae2
MR
745 {
746 for hdr in $headers; do
747 echo "#include <$hdr>"
748 done
749 for func in $funcs; do
750 echo "long check_$func(void) { return (long) $func; }"
751 done
752 echo "int main(void) { return 0; }"
753 } | check_ld "$@" && enable $funcs && enable_safe $headers
f8d7b072
MR
754}
755
a5344cf7
SS
756check_cpp_condition(){
757 log check_cpp_condition "$@"
758 header=$1
759 condition=$2
f855b7b9 760 shift 2
cd52ec95 761 check_cpp "$@" <<EOF
a5344cf7
SS
762#include <$header>
763#if !($condition)
764#error "unsatisfied condition: $condition"
765#endif
766EOF
767}
768
57bd82d4
MR
769check_lib(){
770 log check_lib "$@"
771 header="$1"
772 func="$2"
773 shift 2
84400e9d 774 check_header $header && check_func $func "$@" && add_extralibs "$@"
57bd82d4
MR
775}
776
f8d7b072
MR
777check_lib2(){
778 log check_lib2 "$@"
779 headers="$1"
edaf1ae2 780 funcs="$2"
f8d7b072 781 shift 2
edaf1ae2 782 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
f8d7b072
MR
783}
784
3f8040db
MR
785check_pkg_config(){
786 log check_pkg_config "$@"
787 pkg="$1"
788 headers="$2"
789 funcs="$3"
790 shift 3
791 $pkg_config --exists $pkg || return
792 pkg_cflags=$($pkg_config --cflags $pkg)
793 pkg_libs=$($pkg_config --libs $pkg)
794 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
795 set_safe ${pkg}_cflags $pkg_cflags &&
796 set_safe ${pkg}_libs $pkg_libs
797}
798
dcd479c0 799check_exec(){
2270b4b2 800 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
801}
802
7dfef245 803check_exec_crash(){
5e622c40 804 code=$(cat)
7dfef245
MR
805
806 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
807 # are safe but may not be available everywhere. Thus we use
808 # raise(SIGTERM) instead. The check is run in a subshell so we
809 # can redirect the "Terminated" message from the shell. SIGBUS
810 # is not defined by standard C so it is used conditionally.
811
2270b4b2 812 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
813#include <signal.h>
814static void sighandler(int sig){
815 raise(SIGTERM);
816}
e5af4a11 817int main(void){
7dfef245
MR
818 signal(SIGILL, sighandler);
819 signal(SIGFPE, sighandler);
820 signal(SIGSEGV, sighandler);
821#ifdef SIGBUS
822 signal(SIGBUS, sighandler);
823#endif
824 { $code }
825}
826EOF
827}
828
72be9e73
DY
829check_type(){
830 log check_type "$@"
831 headers=$1
832 type=$2
833 shift 2
ae550ce9 834 disable_safe "$type"
5adc829e 835 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
72be9e73
DY
836}
837
14d36751
MR
838check_struct(){
839 log check_type "$@"
840 headers=$1
841 struct=$2
842 member=$3
843 shift 3
844 disable_safe "${struct}_${member}"
5adc829e
MR
845 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
846 enable_safe "${struct}_${member}"
14d36751
MR
847}
848
57bd82d4
MR
849require(){
850 name="$1"
851 header="$2"
852 func="$3"
853 shift 3
854 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
855}
856
f8d7b072
MR
857require2(){
858 name="$1"
859 headers="$2"
860 func="$3"
861 shift 3
862 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
863}
864
3f8040db
MR
865require_pkg_config(){
866 pkg="$1"
867 check_pkg_config "$@" || die "ERROR: $pkg not found"
868 add_cflags $(get_safe ${pkg}_cflags)
869 add_extralibs $(get_safe ${pkg}_libs)
870}
871
f0125de9
MR
872check_host_cc(){
873 log check_host_cc "$@"
874 cat > $TMPC
875 log_file $TMPC
876 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
877}
878
879check_host_cflags(){
880 log check_host_cflags "$@"
881 check_host_cc "$@" <<EOF && append host_cflags "$@"
882int x;
883EOF
884}
885
c505dd31
MR
886apply(){
887 file=$1
888 shift
889 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
890}
891
c34681df 892cp_if_changed(){
5e27ec28
MR
893 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
894 mkdir -p "$(dirname $2)"
895 cp -f "$1" "$2"
c34681df
MR
896}
897
dcd61286
DB
898# CONFIG_LIST contains configurable options, while HAVE_LIST is for
899# system-dependent things.
900
4a0d6686
AJ
901COMPONENT_LIST="
902 bsfs
903 decoders
904 demuxers
905 encoders
3cde40aa 906 filters
5666fd73 907 hwaccels
c552605c 908 indevs
4a0d6686 909 muxers
c552605c 910 outdevs
4a0d6686
AJ
911 parsers
912 protocols
913"
914
055c61b8
DB
915PROGRAM_LIST="
916 avconv
917 avplay
918 avprobe
919 avserver
055c61b8
DB
920"
921
4a0d6686
AJ
922CONFIG_LIST="
923 $COMPONENT_LIST
055c61b8 924 $PROGRAM_LIST
a5444fee 925 ac3dsp
5a0f7131
MR
926 avcodec
927 avdevice
f7679c54 928 avfilter
5a0f7131 929 avformat
c8af852b 930 avresample
c88f5d72 931 avisynth
f402916e 932 bzlib
7f3f5f46 933 dct
c73f65d9 934 doc
05aec7bb 935 dwt
92c6a099 936 dxva2
27a9466b 937 fastdiv
1848f7d9 938 fft
47941088 939 frei0r
bc8c1395 940 gnutls
c88f5d72 941 gpl
d8d0d0b2 942 gray
3abe5fbd 943 hardcoded_tables
e417d80d 944 libcdio
f7b8bffe 945 libdc1394
2eed5a46 946 libfaac
37eeb5e2 947 libfdk_aac
a5b64584 948 libfreetype
c88f5d72 949 libgsm
3641b048 950 libilbc
6ebe07fb 951 libmp3lame
0b175caa
DB
952 libopencore_amrnb
953 libopencore_amrwb
6ebf0bfc 954 libopencv
9a77d59a 955 libopenjpeg
0de9c41f 956 libpulse
0f943ce6 957 librtmp
f7cd9eed 958 libschroedinger
ae14f311 959 libspeex
150d2772 960 libtheora
d89e738a 961 libvo_aacenc
f502ff3f 962 libvo_amrwbenc
c88f5d72 963 libvorbis
8299a7f8 964 libvpx
1cc60c47 965 libx264
de295976 966 libxavs
1cc60c47 967 libxvid
b781cc12 968 lsp
47a158cb 969 mdct
c88f5d72 970 memalign_hack
c4f5c2d6 971 mpegaudiodsp
c88f5d72 972 network
3fe142e2 973 nonfree
a060866f 974 openssl
8a3c8627 975 pic
68602540 976 rdft
44b70ce5 977 rtpdec
e90f5b5a 978 runtime_cpudetect
8cfbbd92 979 safe_bitstream_reader
2e35e684 980 shared
4538729a 981 sinewin
bd2216e4 982 small
6b35d421 983 sram
2e35e684 984 static
5a0f7131 985 swscale
a9ddb5b1 986 swscale_alpha
8986fddc 987 thumb
17492d5e 988 vaapi
ac3dbb4d 989 vda
17492d5e 990 vdpau
9cad0e4e 991 version3
7e4d9d5d 992 xmm_clobber_test
56a059ac 993 x11grab
c88f5d72 994 zlib
4a0d6686 995"
c88f5d72 996
8eee7025 997THREADS_LIST='
8eee7025
DB
998 pthreads
999 w32threads
1000'
1001
3f5b56e5
MR
1002ARCH_LIST='
1003 alpha
a2fc0f6a 1004 arm
fdcd782d
MR
1005 avr32
1006 avr32_ap
1007 avr32_uc
3f5b56e5
MR
1008 bfin
1009 ia64
1010 m68k
1011 mips
bae3abb0 1012 mips64
3f5b56e5 1013 parisc
79cb09b2 1014 ppc
34d11b87 1015 ppc64
3f5b56e5
MR
1016 s390
1017 sh4
1018 sparc
1019 sparc64
0844bae1 1020 tomi
3f5b56e5
MR
1021 x86
1022 x86_32
1023 x86_64
1024'
1025
1026ARCH_EXT_LIST='
1ac9331a 1027 altivec
3bf96eec 1028 amd3dnow
a1ef9f08 1029 amd3dnowext
1ac9331a 1030 armv5te
edab3048 1031 armv6
ab5cb084 1032 armv6t2
f55b299a 1033 armvfp
87f1355f 1034 avx
3f5b56e5
MR
1035 mmi
1036 mmx
d7f0920b 1037 mmx2
6b18d278 1038 neon
799fde37 1039 ppc4xx
1bb04d5a 1040 sse
9eeed841 1041 ssse3
93eb8e4d 1042 vfpv3
bd9d34a0 1043 vis
3f5b56e5
MR
1044'
1045
a3e02a8c
MR
1046HAVE_LIST_PUB='
1047 bigendian
d268eee9 1048 fast_unaligned
a3e02a8c
MR
1049'
1050
3f5b56e5
MR
1051HAVE_LIST="
1052 $ARCH_EXT_LIST
a3e02a8c 1053 $HAVE_LIST_PUB
3f5b56e5 1054 $THREADS_LIST
be1a839c 1055 aligned_malloc
59782b82 1056 aligned_stack
35fd8122 1057 alsa_asoundlib_h
3f5b56e5 1058 altivec_h
c9fdab0d 1059 arpa_inet_h
6308729e 1060 asm_mod_y
dffb41b9 1061 attribute_may_alias
e7ea5e3d 1062 attribute_packed
15333562 1063 cbrtf
ecf97f22 1064 closesocket
1ac9331a 1065 cmov
c0ee695b 1066 cpuid
c88f5d72 1067 dcbzl
f8aa696f
DB
1068 dev_bktr_ioctl_bt848_h
1069 dev_bktr_ioctl_meteor_h
1070 dev_ic_bt8xx_h
f8aa696f 1071 dev_video_bktr_ioctl_bt848_h
3e0b1c9a 1072 dev_video_meteor_ioctl_meteor_h
18b67ae5 1073 dlfcn_h
c88f5d72 1074 dlopen
bc574408 1075 dos_paths
fa845061 1076 dxva_h
245626d0
DB
1077 ebp_available
1078 ebx_available
6b7c7703
VS
1079 exp2
1080 exp2f
c2a29455 1081 fast_64bit
669b5583 1082 fast_clz
7073e9fc 1083 fast_cmov
534a2231 1084 fcntl
9d99cc5a 1085 fork
84882df6 1086 getaddrinfo
da9e86f8 1087 gethrtime
667fb97a 1088 getopt
02e8f427 1089 GetProcessAffinityMask
fc5607f8 1090 GetProcessMemoryInfo
4e68cb8a 1091 GetProcessTimes
61183b5a 1092 GetSystemTimeAsFileTime
66be5b45 1093 getrusage
61183b5a 1094 gettimeofday
a49d3025 1095 gnu_as
2f0c136e 1096 ibm_asm
2e1913b1 1097 inet_aton
61d251db 1098 inline_asm
3b1ab197 1099 io_h
abfc8d05 1100 isatty
46df708b
MS
1101 isinf
1102 isnan
8772997d 1103 jack_port_get_latency_range
9f5ff83f 1104 ldbrx
0b4a1821
AS
1105 libdc1394_1
1106 libdc1394_2
a33cab3a 1107 llrint
07876e25 1108 llrintf
d96cd429
MR
1109 local_aligned_16
1110 local_aligned_8
a5b64584 1111 localtime_r
291fd18a 1112 log2
6b7c7703 1113 log2f
85dd97ad 1114 loongson
a33cab3a 1115 lrint
c88f5d72 1116 lrintf
f8aa696f
DB
1117 machine_ioctl_bt848_h
1118 machine_ioctl_meteor_h
c88f5d72 1119 malloc_h
73f6d31e 1120 MapViewOfFile
c88f5d72 1121 memalign
6ffa87d3 1122 mkstemp
f80ddd5b 1123 mm_empty
0328b9ea 1124 mmap
d3d3a32c 1125 nanosleep
5699884c 1126 netinet_sctp_h
3e0b1c9a 1127 poll_h
1f91cdce 1128 posix_memalign
07b28702 1129 rdtsc
183b1c22 1130 rint
a33cab3a
MK
1131 round
1132 roundf
358d854d 1133 rweflags
ea4d5f48 1134 sched_getaffinity
c88f5d72
MR
1135 sdl
1136 sdl_video_size
b507ebd1 1137 setmode
3e0b1c9a 1138 setrlimit
d3d3a32c 1139 Sleep
15d59d2c 1140 sndio_h
72be9e73 1141 socklen_t
deb29777 1142 soundcard_h
87958234 1143 strerror_r
6379900c 1144 strptime
47941088 1145 strtok_r
c0018613 1146 struct_addrinfo
75d339e0
MS
1147 struct_group_source_req
1148 struct_ip_mreq_source
b4d68544 1149 struct_ipv6_mreq
cdee08e3 1150 struct_pollfd
3e0b1c9a 1151 struct_rusage_ru_maxrss
b4d68544 1152 struct_sockaddr_in6
3b2372bf 1153 struct_sockaddr_sa_len
33a4dbdd 1154 struct_sockaddr_storage
a6a4793d 1155 struct_v4l2_frmivalenum_discrete
b462d132 1156 symver
b462d132 1157 symver_asm_label
3e0b1c9a 1158 symver_gnu_asm
bcc73960 1159 sysconf
b9e22269 1160 sysctl
b58412f1 1161 sys_mman_h
06bb5905 1162 sys_param_h
b091aa44 1163 sys_resource_h
81644c2e 1164 sys_select_h
deb29777 1165 sys_soundcard_h
e64bceea 1166 sys_time_h
1b6e8b73 1167 sys_videoio_h
b265431e 1168 threads
23d3931a 1169 trunc
7b04b8a0 1170 truncf
542920b7 1171 unistd_h
d3d3a32c 1172 usleep
ce742de2 1173 vfp_args
7c5bfe7a 1174 VirtualAlloc
d3d3a32c 1175 windows_h
6ff3f3e7 1176 winsock2_h
cc078b5d 1177 xform_asm
3f150ffb 1178 xgetbv
6f74fb03 1179 xmm_clobbers
304d586d 1180 yasm
0cb78cef 1181"
44161118 1182
b6bb00b0
MR
1183# options emitted with CONFIG_ prefix but not available on command line
1184CONFIG_EXTRA="
478fd534 1185 aandct
dc4f5a1c 1186 avutil
478fd534 1187 golomb
9cad0e4e 1188 gplv3
478fd534
DB
1189 h264chroma
1190 h264dsp
1191 h264pred
915a2a0a 1192 h264qpel
478fd534 1193 huffman
9cad0e4e 1194 lgplv3
478fd534 1195 lpc
ab9f9876 1196 vp3dsp
b6bb00b0
MR
1197"
1198
520cc7f1 1199CMDLINE_SELECT="
3f5b56e5 1200 $ARCH_EXT_LIST
520cc7f1 1201 $CONFIG_LIST
8eee7025 1202 $THREADS_LIST
c8a4ae00 1203 asm
db6107b6 1204 cross_compile
520cc7f1
MR
1205 debug
1206 extra_warnings
8c6afa4d 1207 logging
d2bbb2f7 1208 optimizations
9baec618 1209 symver
7595a5e4 1210 yasm
520cc7f1 1211"
426be5dc
DB
1212
1213PATHS_LIST='
d156bede 1214 bindir
14a8acf1 1215 datadir
26759c44
MR
1216 incdir
1217 libdir
26759c44
MR
1218 mandir
1219 prefix
1220 shlibdir
426be5dc
DB
1221'
1222
1223CMDLINE_SET="
1224 $PATHS_LIST
121d78d0 1225 ar
426be5dc 1226 arch
313c46a6 1227 as
426be5dc
DB
1228 build_suffix
1229 cc
1230 cpu
1231 cross_prefix
50567afa 1232 dep_cc
ac63af34 1233 extra_version
9da6609f
MR
1234 host_cc
1235 host_cflags
1236 host_ldflags
1237 host_libs
82bb3329 1238 host_os
684b28e0 1239 ld
426be5dc 1240 logfile
4ae40685 1241 malloc_prefix
89641463 1242 nm
9cd7b854 1243 optflags
3f8040db 1244 pkg_config
2fad0977 1245 samples
c5200f17
MR
1246 sysinclude
1247 sysroot
a7ada2ba 1248 target_exec
26759c44 1249 target_os
a7ada2ba 1250 target_path
426be5dc 1251"
520cc7f1 1252
89f2932b
MR
1253CMDLINE_APPEND="
1254 extra_cflags
1255"
1256
912f3148
DB
1257# code dependency declarations
1258
9eeed841 1259# architecture extensions
808fa33c 1260
a2fc0f6a
MR
1261armv5te_deps="arm"
1262armv6_deps="arm"
ab5cb084 1263armv6t2_deps="arm"
a2fc0f6a 1264armvfp_deps="arm"
808fa33c 1265neon_deps="arm"
93eb8e4d 1266vfpv3_deps="armvfp"
808fa33c 1267
e241ba14 1268mmi_deps="mips"
808fa33c
MR
1269
1270altivec_deps="ppc"
1271ppc4xx_deps="ppc"
1272
1273vis_deps="sparc"
1274
7f8c3d1f 1275x86_64_suggest="cmov fast_cmov"
808fa33c
MR
1276amd3dnow_deps="mmx"
1277amd3dnowext_deps="amd3dnow"
9eeed841 1278mmx_deps="x86"
75aa95a6 1279mmx2_deps="mmx"
75aa95a6
DB
1280sse_deps="mmx"
1281ssse3_deps="sse"
87f1355f 1282avx_deps="ssse3"
9eeed841 1283
59782b82 1284aligned_stack_if_any="ppc x86"
e939cedd 1285fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1286fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1287fast_unaligned_if_any="armv6 ppc x86"
669b5583 1288
6fec122a 1289inline_asm_deps="!tms470"
3e0b1c9a 1290need_memalign="altivec neon sse"
89e053f8 1291
b462d132
MR
1292symver_if_any="symver_asm_label symver_gnu_asm"
1293
26fbcc85 1294# subsystems
dc609252 1295dct_select="rdft"
26fbcc85
MR
1296mdct_select="fft"
1297rdft_select="fft"
c4f5c2d6 1298mpegaudiodsp_select="dct"
26fbcc85 1299
5666fd73 1300# decoders / encoders / hardware accelerators
cfc2a0cf 1301aac_decoder_select="mdct sinewin"
4538729a 1302aac_encoder_select="mdct sinewin"
136e19e1 1303aac_latm_decoder_select="aac_decoder aac_latm_parser"
6d9f52b2 1304ac3_decoder_select="mdct ac3dsp ac3_parser"
a5444fee 1305ac3_encoder_select="mdct ac3dsp"
3d269059 1306ac3_fixed_encoder_select="mdct ac3dsp"
f4d608e3 1307alac_encoder_select="lpc"
b781cc12 1308amrnb_decoder_select="lsp"
2b2a597e 1309amrwb_decoder_select="lsp"
4538729a 1310atrac1_decoder_select="mdct sinewin"
26fbcc85 1311atrac3_decoder_select="mdct"
a33657ce
DB
1312binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1313binkaudio_rdft_decoder_select="mdct rdft sinewin"
4f034993 1314cavs_decoder_select="golomb"
4538729a 1315cook_decoder_select="mdct sinewin"
2eef7c62 1316cscd_decoder_suggest="zlib"
26fbcc85 1317dca_decoder_select="mdct"
e8ed9b7a 1318dnxhd_encoder_select="aandct"
2eef7c62 1319dxa_decoder_select="zlib"
baf91bb9 1320eac3_decoder_select="ac3_decoder"
aa47c35d 1321eac3_encoder_select="mdct ac3dsp"
84c04e25 1322eamad_decoder_select="aandct"
e8ed9b7a 1323eatgq_decoder_select="aandct"
d52b39c7 1324eatqi_decoder_select="aandct"
4f034993
MR
1325ffv1_decoder_select="golomb"
1326flac_decoder_select="golomb"
f4d608e3 1327flac_encoder_select="golomb lpc"
2eef7c62
AJ
1328flashsv_decoder_select="zlib"
1329flashsv_encoder_select="zlib"
c2d23309 1330flashsv2_decoder_select="zlib"
4414137e 1331flv_decoder_select="h263_decoder"
4d4b4bd1 1332flv_encoder_select="h263_encoder"
3447f12d 1333fraps_decoder_select="huffman"
e8ed9b7a 1334h261_encoder_select="aandct"
7f647ae0 1335h263_decoder_select="h263_parser"
e8ed9b7a 1336h263_encoder_select="aandct"
95a61cfc 1337h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1338h263i_decoder_select="h263_decoder"
fe629c2d 1339h263p_encoder_select="h263_encoder"
915a2a0a 1340h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
92c6a099
LA
1341h264_dxva2_hwaccel_deps="dxva2api_h"
1342h264_dxva2_hwaccel_select="dxva2 h264_decoder"
76718f3f 1343h264_vaapi_hwaccel_select="vaapi h264_decoder"
ac3dbb4d 1344h264_vda_hwaccel_select="vda h264_decoder"
95a61cfc 1345h264_vdpau_decoder_select="vdpau h264_decoder"
19be0f3c 1346iac_decoder_select="fft mdct sinewin"
56c8227d 1347imc_decoder_select="fft mdct sinewin"
4f034993
MR
1348jpegls_decoder_select="golomb"
1349jpegls_encoder_select="golomb"
e8ed9b7a 1350ljpeg_encoder_select="aandct"
4f034993 1351loco_decoder_select="golomb"
e8ed9b7a 1352mjpeg_encoder_select="aandct"
2cca233b 1353mlp_decoder_select="mlp_parser"
c4f5c2d6 1354mp1_decoder_select="mpegaudiodsp"
c4f5c2d6 1355mp1float_decoder_select="mpegaudiodsp"
3e0b1c9a 1356mp2_decoder_select="mpegaudiodsp"
c4f5c2d6 1357mp2float_decoder_select="mpegaudiodsp"
3e0b1c9a
DB
1358mp3_decoder_select="mpegaudiodsp"
1359mp3adu_decoder_select="mpegaudiodsp"
c4f5c2d6
MR
1360mp3adufloat_decoder_select="mpegaudiodsp"
1361mp3float_decoder_select="mpegaudiodsp"
3e0b1c9a 1362mp3on4_decoder_select="mpegaudiodsp"
c4f5c2d6 1363mp3on4float_decoder_select="mpegaudiodsp"
606c9297
DB
1364mpc7_decoder_select="mpegaudiodsp"
1365mpc8_decoder_select="mpegaudiodsp"
95a61cfc 1366mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
3e0b1c9a
DB
1367mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1368mpeg_xvmc_decoder_select="mpegvideo_decoder"
95a61cfc 1369mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
3e0b1c9a 1370mpeg1video_encoder_select="aandct"
164aab02
LA
1371mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1372mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
95a61cfc 1373mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
3e0b1c9a
DB
1374mpeg2video_encoder_select="aandct"
1375mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1376mpeg4_encoder_select="h263_encoder"
95a61cfc 1377mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871 1378mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
4414137e 1379msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1380msmpeg4v1_encoder_select="h263_encoder"
4414137e 1381msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1382msmpeg4v2_encoder_select="h263_encoder"
4414137e 1383msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1384msmpeg4v3_encoder_select="h263_encoder"
4538729a
MR
1385nellymoser_decoder_select="mdct sinewin"
1386nellymoser_encoder_select="mdct sinewin"
2eef7c62
AJ
1387png_decoder_select="zlib"
1388png_encoder_select="zlib"
b781cc12 1389qcelp_decoder_select="lsp"
c4f5c2d6 1390qdm2_decoder_select="mdct rdft mpegaudiodsp"
31ed3f1f 1391ra_144_encoder_select="lpc"
9f43fdda 1392ralf_decoder_select="golomb"
a8beb22f 1393rv10_decoder_select="h263_decoder"
b2bf38b4 1394rv10_encoder_select="h263_encoder"
a8beb22f 1395rv20_decoder_select="h263_decoder"
b2bf38b4 1396rv20_encoder_select="h263_encoder"
915a2a0a
DB
1397rv30_decoder_select="golomb h264chroma h264pred h264qpel"
1398rv40_decoder_select="golomb h264chroma h264pred h264qpel"
4f034993 1399shorten_decoder_select="golomb"
b781cc12 1400sipr_decoder_select="lsp"
05aec7bb
MR
1401snow_decoder_select="dwt"
1402snow_encoder_select="aandct dwt"
19ecfb8a 1403svq1_encoder_select="aandct"
915a2a0a 1404svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
bee2eac5 1405svq3_decoder_suggest="zlib"
4eef77c1 1406theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1407tiff_decoder_suggest="zlib"
1408tiff_encoder_suggest="zlib"
aec09a00 1409truehd_decoder_select="mlp_decoder"
2eef7c62 1410tscc_decoder_select="zlib"
4538729a 1411twinvq_decoder_select="mdct lsp sinewin"
915a2a0a 1412vc1_decoder_select="h263_decoder h264chroma h264qpel"
562ebc30 1413vc1_dxva2_hwaccel_deps="dxva2api_h"
f0f86627 1414vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
95a61cfc 1415vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
95a61cfc 1416vc1_vdpau_decoder_select="vdpau vc1_decoder"
45ecda85 1417vc1image_decoder_select="vc1_decoder"
26fbcc85
MR
1418vorbis_decoder_select="mdct"
1419vorbis_encoder_select="mdct"
ab9f9876
MR
1420vp3_decoder_select="vp3dsp"
1421vp5_decoder_select="vp3dsp"
1422vp6_decoder_select="huffman vp3dsp"
e82dc4c9
DB
1423vp6a_decoder_select="vp6_decoder"
1424vp6f_decoder_select="vp6_decoder"
915a2a0a 1425vp8_decoder_select="h264pred h264qpel"
4538729a
MR
1426wmapro_decoder_select="mdct sinewin"
1427wmav1_decoder_select="mdct sinewin"
1428wmav1_encoder_select="mdct sinewin"
1429wmav2_decoder_select="mdct sinewin"
1430wmav2_encoder_select="mdct sinewin"
1431wmavoice_decoder_select="lsp rdft dct mdct sinewin"
f95bfab0 1432wmv1_decoder_select="h263_decoder"
665507aa 1433wmv1_encoder_select="h263_encoder"
f95bfab0 1434wmv2_decoder_select="h263_decoder"
1746e2a9 1435wmv2_encoder_select="h263_encoder"
015f8ee0 1436wmv3_decoder_select="vc1_decoder"
f0f86627 1437wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1438wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1439wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
45ecda85 1440wmv3image_decoder_select="wmv3_decoder"
0e714f88 1441zerocodec_decoder_select="zlib"
2eef7c62
AJ
1442zlib_decoder_select="zlib"
1443zlib_encoder_select="zlib"
1444zmbv_decoder_select="zlib"
1445zmbv_encoder_select="zlib"
30fd06be 1446
0afab17e 1447vaapi_deps="va_va_h"
ac3dbb4d 1448vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
c89c96e9
MR
1449vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1450
28b80940 1451# parsers
6a7c5312 1452h264_parser_select="golomb h264dsp h264pred"
28b80940 1453
912f3148 1454# external libraries
c9171a83 1455libfaac_encoder_deps="libfaac"
37eeb5e2 1456libfdk_aac_encoder_deps="libfdk_aac"
299c77d5
MR
1457libgsm_decoder_deps="libgsm"
1458libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1459libgsm_ms_decoder_deps="libgsm"
1460libgsm_ms_encoder_deps="libgsm"
3641b048
MS
1461libilbc_decoder_deps="libilbc"
1462libilbc_encoder_deps="libilbc"
1cc60c47 1463libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1464libopencore_amrnb_decoder_deps="libopencore_amrnb"
1465libopencore_amrnb_encoder_deps="libopencore_amrnb"
1466libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1467libopenjpeg_decoder_deps="libopenjpeg"
453c02f9 1468libopenjpeg_encoder_deps="libopenjpeg"
f7cd9eed
AS
1469libschroedinger_decoder_deps="libschroedinger"
1470libschroedinger_encoder_deps="libschroedinger"
ae14f311 1471libspeex_decoder_deps="libspeex"
b606a017 1472libspeex_encoder_deps="libspeex"
150d2772 1473libtheora_encoder_deps="libtheora"
d89e738a 1474libvo_aacenc_encoder_deps="libvo_aacenc"
f502ff3f 1475libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
b0caf888 1476libvorbis_encoder_deps="libvorbis"
8299a7f8 1477libvpx_decoder_deps="libvpx"
ee0e9146 1478libvpx_encoder_deps="libvpx"
1cc60c47 1479libx264_encoder_deps="libx264"
de295976 1480libxavs_encoder_deps="libxavs"
1cc60c47 1481libxvid_encoder_deps="libxvid"
30fd06be 1482
912f3148 1483# demuxers / muxers
c2dd0e9e 1484ac3_demuxer_select="ac3_parser"
647c2356 1485asf_stream_muxer_select="asf_muxer"
4e622dea 1486avisynth_demuxer_deps="avisynth"
c2dd0e9e 1487dirac_demuxer_select="dirac_parser"
5b423887 1488eac3_demuxer_select="ac3_parser"
c2dd0e9e 1489flac_demuxer_select="flac_parser"
647c2356 1490ipod_muxer_select="mov_muxer"
647c2356 1491matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1492matroska_demuxer_suggest="zlib bzlib"
1493mov_demuxer_suggest="zlib"
c2dd0e9e 1494mp3_demuxer_select="mpegaudio_parser"
647c2356 1495mp4_muxer_select="mov_muxer"
2439bd86 1496mpegts_muxer_select="adts_muxer latm_muxer"
647c2356
DB
1497mpegtsraw_demuxer_select="mpegts_demuxer"
1498mxf_d10_muxer_select="mxf_muxer"
24ca518b 1499ogg_demuxer_select="golomb"
647c2356 1500psp_muxer_select="mov_muxer"
44594cc7 1501rtp_demuxer_select="sdp_demuxer"
44b70ce5
MS
1502rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1503rtsp_demuxer_select="http_protocol rtpdec"
1504rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
01c8d258 1505sap_demuxer_select="sdp_demuxer"
2aab70c4 1506sap_muxer_select="rtp_muxer rtp_protocol"
44b70ce5 1507sdp_demuxer_select="rtpdec"
f1e94694 1508spdif_muxer_select="aac_parser"
647c2356
DB
1509tg2_muxer_select="mov_muxer"
1510tgp_muxer_select="mov_muxer"
6bdaa5f4 1511w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1512
1513# indevs / outdevs
38e54a75 1514alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
38e54a75 1515alsa_outdev_deps="alsa_asoundlib_h"
38e54a75 1516bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75 1517dv1394_indev_deps="dv1394 dv_demuxer"
c6f95144 1518fbdev_indev_deps="linux_fb_h"
38e54a75 1519jack_indev_deps="jack_jack_h"
e417d80d 1520libcdio_indev_deps="libcdio"
38e54a75 1521libdc1394_indev_deps="libdc1394"
38e54a75
SS
1522oss_indev_deps_any="soundcard_h sys_soundcard_h"
1523oss_outdev_deps_any="soundcard_h sys_soundcard_h"
0de9c41f 1524pulse_indev_deps="libpulse"
15d59d2c
B
1525sndio_indev_deps="sndio_h"
1526sndio_outdev_deps="sndio_h"
38e54a75 1527v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
ec1ee802 1528vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
a1b3c5a3 1529vfwcap_indev_extralibs="-lavicap32"
38e54a75 1530x11_grab_device_indev_deps="x11grab XShmCreateImage"
30fd06be 1531
912f3148 1532# protocols
775c4d36
SP
1533ffrtmphttp_protocol_deps="!librtmp_protocol"
1534ffrtmphttp_protocol_select="http_protocol"
3fff6382 1535gopher_protocol_deps="network"
c40e1757
JS
1536httpproxy_protocol_deps="network"
1537httpproxy_protocol_select="tcp_protocol"
c08fb000 1538http_protocol_deps="network"
279a0c97 1539http_protocol_select="tcp_protocol"
183baead 1540https_protocol_select="tls_protocol"
c3b57d6e
DB
1541librtmp_protocol_deps="librtmp"
1542librtmpe_protocol_deps="librtmp"
1543librtmps_protocol_deps="librtmp"
1544librtmpt_protocol_deps="librtmp"
1545librtmpte_protocol_deps="librtmp"
c60a2d70 1546mmsh_protocol_select="http_protocol"
b4cf3f6c 1547mmst_protocol_deps="network"
c3b57d6e 1548rtmp_protocol_deps="!librtmp_protocol"
deeb7012 1549rtmp_protocol_select="tcp_protocol"
6aedabc9
SP
1550rtmps_protocol_deps="!librtmp_protocol"
1551rtmps_protocol_select="tls_protocol"
8e50c57d 1552rtmpt_protocol_deps="!librtmp_protocol"
775c4d36 1553rtmpt_protocol_select="ffrtmphttp_protocol"
86991ce2
SP
1554rtmpts_protocol_deps="!librtmp_protocol"
1555rtmpts_protocol_select="ffrtmphttp_protocol"
deeb7012 1556rtp_protocol_select="udp_protocol"
5699884c 1557sctp_protocol_deps="network netinet_sctp_h"
c08fb000 1558tcp_protocol_deps="network"
558d192d
MS
1559tls_protocol_deps_any="openssl gnutls"
1560tls_protocol_select="tcp_protocol"
c08fb000
AB
1561udp_protocol_deps="network"
1562
6ebf0bfc 1563# filters
13fabd7a 1564blackframe_filter_deps="gpl"
ce6b6ef6 1565boxblur_filter_deps="gpl"
68b79bfc 1566cropdetect_filter_deps="gpl"
b157be1f 1567delogo_filter_deps="gpl"
a5b64584 1568drawtext_filter_deps="libfreetype"
2e5ff4d0 1569frei0r_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1570frei0r_filter_extralibs='$ldl'
a42bb9d6 1571frei0r_src_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1572frei0r_src_filter_extralibs='$ldl'
a4dc7aa5 1573hqdn3d_filter_deps="gpl"
d371e7b9 1574resample_filter_deps="avresample"
cf69ad35 1575ocv_filter_deps="libopencv"
2f296e39 1576scale_filter_deps="swscale"
acbac567 1577yadif_filter_deps="gpl"
6ebf0bfc 1578
5a0f7131
MR
1579# libraries
1580avdevice_deps="avcodec avformat"
1581avformat_deps="avcodec"
f7679c54 1582
912f3148 1583# programs
ce03b088
AK
1584avconv_deps="avcodec avfilter avformat avresample swscale
1585 aformat_filter asyncts_filter
1586 format_filter fps_filter scale_filter setpts_filter"
266463da
AK
1587avplay_deps="avcodec avformat swscale sdl"
1588avplay_select="rdft"
9e12f0bf 1589avprobe_deps="avcodec avformat"
b263bf66 1590avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
4d58e4cb 1591avserver_extralibs='$ldl'
a2830dca 1592
c73f65d9 1593doc_deps="texi2html"
912f3148 1594
57442411
MR
1595# tests
1596
1597test_deps(){
1598 suf1=$1
1599 suf2=$2
1600 shift 2
1601 for v; do
1602 dep=${v%=*}
1603 tests=${v#*=}
1604 for name in ${tests}; do
908f12f3 1605 append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
57442411
MR
1606 done
1607 done
1608}
1609
908f12f3
MR
1610seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1611
57442411
MR
1612test_deps _muxer _demuxer \
1613 aiff \
1614 pcm_alaw=alaw \
1615 asf \
1616 au \
1617 avi \
1618 dv=dv_fmt \
1619 ffm \
1620 flv=flv_fmt \
1621 gxf \
1622 matroska=mkv \
1623 mmf \
1624 mov \
1625 pcm_mulaw=mulaw \
0218808d 1626 mxf="mxf mxf_d10" \
57442411
MR
1627 nut \
1628 ogg \
1629 rawvideo=pixfmt \
1630 rm \
1631 swf \
1632 mpegts=ts \
1633 voc \
1634 wav \
1635 yuv4mpegpipe=yuv4mpeg \
1636
1637mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
9c261f83 1638
de6d9b64 1639# default parameters
8a608357 1640
19bd477d 1641logfile="config.log"
8a608357
MR
1642
1643# installation paths
c9d19248
MR
1644prefix_default="/usr/local"
1645bindir_default='${prefix}/bin'
6291d7e4 1646datadir_default='${prefix}/share/avconv'
c9d19248
MR
1647incdir_default='${prefix}/include'
1648libdir_default='${prefix}/lib'
1649mandir_default='${prefix}/share/man'
1650shlibdir_default="$libdir_default"
8a608357
MR
1651
1652# toolchain
121d78d0 1653ar_default="ar"
13c7df3d 1654cc_default="gcc"
9da6609f 1655host_cc_default="gcc"
11e6d03a 1656ln_s="ln -sf"
89641463 1657nm_default="nm"
11e6d03a 1658objformat="elf"
3f8040db 1659pkg_config_default=pkg-config
be7109c1 1660ranlib="ranlib"
11e6d03a 1661yasmexe="yasm"
8a608357 1662
8182dc34 1663nm_opts='-g'
3e0b1c9a 1664nogas=":"
8182dc34 1665
8a608357 1666# machine
8d4c00ed 1667arch_default=$(uname -m)
38d0a8aa 1668cpu="generic"
8a608357 1669
8a608357 1670# OS
8d4c00ed
MR
1671target_os_default=$(tolower $(uname -s))
1672host_os=$target_os_default
8a608357 1673
8a608357 1674# configurable options
055c61b8
DB
1675enable $PROGRAM_LIST
1676
5a0f7131
MR
1677enable avcodec
1678enable avdevice
cccc039f 1679enable avfilter
5a0f7131 1680enable avformat
c8af852b 1681enable avresample
dc4f5a1c 1682enable avutil
3e0b1c9a
DB
1683enable swscale
1684
3e0b1c9a
DB
1685enable asm
1686enable debug
1687enable doc
1688enable fastdiv
497237c7 1689enable network
8400d6b8 1690enable optimizations
8cfbbd92 1691enable safe_bitstream_reader
530dc538 1692enable static
a9ddb5b1 1693enable swscale_alpha
8a608357 1694
8a608357 1695# build settings
9987769a 1696SHFLAGS='-shared -Wl,-soname,$$(@F)'
4d58e4cb 1697AVSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1698LIBPREF="lib"
1699LIBSUF=".a"
c5f14466
RP
1700FULLNAME='$(NAME)$(BUILDSUF)'
1701LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1702SLIBPREF="lib"
1703SLIBSUF=".so"
c5f14466 1704SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1705SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1706SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1707LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2f138f0b
MR
1708SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1709SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
ef0bc4c9 1710
68485d1f
MR
1711asflags_filter=echo
1712cflags_filter=echo
64933b6c
MR
1713ldflags_filter=echo
1714
bc877faf 1715AS_O='-o $@'
7e6c86e6
MR
1716CC_O='-o $@'
1717
1d01fee9 1718host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
9da6609f
MR
1719host_libs='-lm'
1720
9b861379 1721target_path='$(CURDIR)'
a7ada2ba 1722
a158446b
MR
1723# since the object filename is not given with the -MM flag, the compiler
1724# is only able to print the basename, and we must add the path ourselves
c1c3933a 1725DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
d8059267 1726DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
315c741d 1727
c597172e 1728# find source path
24524f36 1729if test -f configure; then
f038cf3c 1730 source_path=.
c597172e 1731else
8477f2de 1732 source_path=$(cd $(dirname "$0"); pwd)
c597172e 1733 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1734 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1735 test -e "$source_path/config.h" &&
1736 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1737fi
1738
13cbe2c0 1739for v in "$@"; do
b04251c5
MR
1740 r=${v#*=}
1741 l=${v%"$r"}
1742 r=$(sh_quote "$r")
29ba0911 1743 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
13cbe2c0 1744done
c597172e 1745
73ef8980
MR
1746find_things(){
1747 thing=$1
1748 pattern=$2
1749 file=$source_path/$3
932ccf39 1750 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1751}
1752
1753ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1754DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1755HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1756PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1757BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1758MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1759DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1760OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1761INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1762PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1763FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1764
54e75be4
DB
1765ALL_COMPONENTS="
1766 $BSF_LIST
1767 $DECODER_LIST
1768 $DEMUXER_LIST
1769 $ENCODER_LIST
1770 $FILTER_LIST
1771 $HWACCEL_LIST
1772 $INDEV_LIST
1773 $MUXER_LIST
1774 $OUTDEV_LIST
1775 $PARSER_LIST
1776 $PROTOCOL_LIST
1777"
1778
57442411 1779find_tests(){
b9d5f1b7 1780 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
57442411
MR
1781}
1782
57442411 1783LAVF_TESTS=$(find_tests lavf)
48c28162 1784LAVFI_TESTS=$(find_tests lavfi)
b9d5f1b7 1785SEEK_TESTS=$(find_tests seek seek_)
57442411 1786
7263cd55 1787ALL_TESTS="$LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
40fe5019 1788
8469ae22
MR
1789for n in $COMPONENT_LIST; do
1790 v=$(toupper ${n%s})_LIST
1791 eval enable \$$v
1792 eval ${n}_if_any="\$$v"
1793done
1794
54e75be4 1795enable $ARCH_EXT_LIST $ALL_TESTS
c597172e
MR
1796
1797die_unknown(){
1798 echo "Unknown option \"$1\"."
1799 echo "See $0 --help for available options."
1800 exit 1
1801}
1802
794f8e97 1803show_list() {
bf0c4afa
RP
1804 suffix=_$1
1805 shift
2b444ea7 1806 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1807 exit 0
1808}
1809
c597172e 1810for opt do
7483e694
DB
1811 optval="${opt#*=}"
1812 case "$opt" in
0f010b2f 1813 --extra-ldflags=*) add_ldflags $optval
7483e694 1814 ;;
0f010b2f 1815 --extra-libs=*) add_extralibs $optval
7483e694 1816 ;;
8fb1cb58 1817 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1818 ;;
40bcf4c7
BL
1819 --enable-debug=*) debuglevel="$optval"
1820 ;;
36e2dea0 1821 --disable-everything)
1b15dc3c 1822 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
36e2dea0 1823 ;;
7483e694 1824 --enable-*=*|--disable-*=*)
8b93ddc3 1825 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1826 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1827 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1828 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1829 $action $(filter "$name" $list)
7483e694
DB
1830 ;;
1831 --enable-?*|--disable-?*)
5e622c40 1832 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1833 if is_in $option $COMPONENT_LIST; then
fed5d54b 1834 test $action = disable && action=unset
e3773a55
MR
1835 eval $action \$$(toupper ${option%s})_LIST
1836 elif is_in $option $CMDLINE_SELECT; then
1837 $action $option
1838 else
1839 die_unknown $opt
1840 fi
7483e694
DB
1841 ;;
1842 --list-*)
1843 NAME="${opt#--list-}"
1844 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1845 NAME=${NAME%s}
1846 eval show_list $NAME \$$(toupper $NAME)_LIST
1847 ;;
1848 --help|-h) show_help
1849 ;;
1850 *)
884a36a7 1851 optname="${opt%%=*}"
26759c44
MR
1852 optname="${optname#--}"
1853 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1854 if is_in $optname $CMDLINE_SET; then
1855 eval $optname='$optval'
1856 elif is_in $optname $CMDLINE_APPEND; then
1857 append $optname "$optval"
1858 else
1859 die_unknown $opt
1860 fi
7483e694
DB
1861 ;;
1862 esac
c597172e
MR
1863done
1864
bcea99bb
MR
1865disabled logging && logfile=/dev/null
1866
29ba0911 1867echo "# $0 $LIBAV_CONFIGURATION" > $logfile
bcea99bb
MR
1868set >> $logfile
1869
9da6609f
MR
1870test -n "$cross_prefix" && enable cross_compile
1871
8d4c00ed
MR
1872if enabled cross_compile; then
1873 test -n "$arch" && test -n "$target_os" ||
1874 die "Must specify target arch and OS when cross-compiling"
1875fi
1876
1877set_default arch target_os
1878
121d78d0 1879ar_default="${cross_prefix}${ar_default}"
11e6d03a 1880cc_default="${cross_prefix}${cc_default}"
20e0ed95 1881nm_default="${cross_prefix}${nm_default}"
3f8040db 1882pkg_config_default="${cross_prefix}${pkg_config_default}"
adb2b908 1883ranlib="${cross_prefix}${ranlib}"
adb2b908 1884
c5200f17
MR
1885sysinclude_default="${sysroot}/usr/include"
1886
e0be794a 1887set_default cc nm pkg_config sysinclude
9da6609f
MR
1888enabled cross_compile || host_cc_default=$cc
1889set_default host_cc
13c7df3d 1890
762f95e4
MR
1891if ! $pkg_config --version >/dev/null 2>&1; then
1892 warn "$pkg_config not found, library detection may fail."
1893 pkg_config=false
1894fi
1895
82bb3329
MR
1896exesuf() {
1897 case $1 in
1c69c79f 1898 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
82bb3329
MR
1899 esac
1900}
1901
1902EXESUF=$(exesuf $target_os)
1903HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1904
e4e69e0b 1905# set temporary file name
a49d42c2 1906: ${TMPDIR:=$TEMPDIR}
c51fafa1 1907: ${TMPDIR:=$TMP}
a49d42c2 1908: ${TMPDIR:=/tmp}
e4e69e0b 1909
a210bce2 1910if ! check_cmd mktemp -u XXXXXX; then
54460a83
MR
1911 # simple replacement for missing mktemp
1912 # NOT SAFE FOR GENERAL USE
1913 mktemp(){
09a5c245 1914 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
54460a83
MR
1915 }
1916fi
1917
1918tmpfile(){
1919 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1920 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1921 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1922 append TMPFILES $tmp
1923 eval $1=$tmp
1924}
1925
1926trap 'rm -f -- $TMPFILES' EXIT
54460a83 1927
55127e7b 1928tmpfile TMPASM .asm
3e0b1c9a
DB
1929tmpfile TMPC .c
1930tmpfile TMPE $EXESUF
1931tmpfile TMPH .h
1932tmpfile TMPO .o
1933tmpfile TMPS .S
1934tmpfile TMPSH .sh
1935tmpfile TMPV .ver
54460a83
MR
1936
1937unset -f mktemp
e4e69e0b 1938
fb3c4ffc
MR
1939chmod +x $TMPE
1940
993f2d0f
MR
1941# make sure we can execute files in $TMPDIR
1942cat > $TMPSH 2>> $logfile <<EOF
1943#! /bin/sh
1944EOF
1945chmod +x $TMPSH >> $logfile 2>&1
1946if ! $TMPSH >> $logfile 2>&1; then
1947 cat <<EOF
1948Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1949variable to another directory and make sure that it is not mounted noexec.
1950EOF
1951 die "Sanity test failed."
1952fi
993f2d0f 1953
613a4e3f
MR
1954if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1955 cc_type=llvm_gcc
613a4e3f
MR
1956 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1957 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1958 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1959 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
01d31e16
MR
1960 cflags_speed='-O3'
1961 cflags_size='-Os'
613a4e3f 1962elif $cc -v 2>&1 | grep -qi ^gcc; then
629687f6 1963 cc_type=gcc
5d57846b
MR
1964 gcc_version=$($cc --version | head -n1)
1965 gcc_basever=$($cc -dumpversion)
3ad464bf 1966 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
5d57846b
MR
1967 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1968 cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
aef6bd1b
MR
1969 if ! $cc -dumpversion | grep -q '^2\.'; then
1970 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1971 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1972 fi
01d31e16
MR
1973 cflags_speed='-O3'
1974 cflags_size='-Os'
629687f6
MR
1975elif $cc --version 2>/dev/null | grep -q Intel; then
1976 cc_type=icc
bb5cecdc 1977 cc_ident=$($cc --version | head -n1)
07dec06e
MR
1978 CC_DEPFLAGS='-MMD'
1979 AS_DEPFLAGS='-MMD'
01d31e16
MR
1980 cflags_speed='-O3'
1981 cflags_size='-Os'
1982 cflags_noopt='-O1'
629687f6
MR
1983elif $cc -v 2>&1 | grep -q xlc; then
1984 cc_type=xlc
bb5cecdc 1985 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
01d31e16
MR
1986 cflags_speed='-O5'
1987 cflags_size='-O5 -qcompact'
df442a8d
MR
1988elif $cc -V 2>/dev/null | grep -q Compaq; then
1989 cc_type=ccc
bb5cecdc 1990 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
d8059267 1991 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
03754fcd 1992 debuglevel=3
df442a8d 1993 add_ldflags -Wl,-z,now # calls to libots crash without this
01d31e16
MR
1994 cflags_speed='-fast'
1995 cflags_size='-O1'
6a0d5493 1996elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
03e37762
MR
1997 test -d "$sysroot" || die "No valid sysroot specified."
1998 cc_type=armcc
bb5cecdc 1999 cc_ident=$($cc --vsn | head -n1)
03e37762
MR
2000 armcc_conf="$PWD/armcc.conf"
2001 $cc --arm_linux_configure \
2002 --arm_linux_config_file="$armcc_conf" \
2003 --configure_sysroot="$sysroot" \
2004 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2005 die "Error creating armcc configuration file."
bcafde61 2006 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
03e37762 2007 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 2008 as_default="${cross_prefix}gcc"
07dec06e
MR
2009 CC_DEPFLAGS='-MMD'
2010 AS_DEPFLAGS='-MMD'
01d31e16
MR
2011 cflags_speed='-O3'
2012 cflags_size='-Os'
2013 asflags_filter="filter_out -W${armcc_opt}*"
6fec122a
MR
2014elif $cc -version 2>/dev/null | grep -q TMS470; then
2015 cc_type=tms470
bb5cecdc 2016 cc_ident=$($cc -version | head -n1 | tr -s ' ')
6fec122a
MR
2017 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2018 CC_O='-fr=$(@D)'
2019 as_default="${cross_prefix}gcc"
2020 ld_default="${cross_prefix}gcc"
6fec122a
MR
2021 TMPO=$(basename $TMPC .c).o
2022 append TMPFILES $TMPO
2023 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
07dec06e
MR
2024 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2025 AS_DEPFLAGS='-MMD'
01d31e16
MR
2026 cflags_speed='-O3 -mf=5'
2027 cflags_size='-O3 -mf=2'
2028 cflags_filter=tms470_flags
6fec122a
MR
2029 tms470_flags(){
2030 for flag; do
2031 case $flag in
2032 -march=*|-mcpu=*)
2033 case "${flag#*=}" in
2034 armv7-a|cortex-a*) echo -mv=7a8 ;;
2035 armv7-r|cortex-r*) echo -mv=7r4 ;;
2036 armv7-m|cortex-m*) echo -mv=7m3 ;;
2037 armv6*|arm11*) echo -mv=6 ;;
2038 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2039 echo -mv=5e ;;
2040 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2041 esac
2042 ;;
2043 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2044 -mfpu=vfp) echo --float_support=vfpv2 ;;
5fcb865b 2045 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
a2709020 2046 -msoft-float) echo --float_support=vfplib ;;
14ca9cd0 2047 -O[0-3]|-mf=*) echo $flag ;;
6fec122a 2048 -g) echo -g -mn ;;
587d24ff 2049 -pds=*) echo $flag ;;
6fec122a
MR
2050 esac
2051 done
2052 }
06da6943
DC
2053elif $cc -v 2>&1 | grep -q clang; then
2054 cc_type=clang
bb5cecdc 2055 cc_ident=$($cc --version | head -n1)
06da6943
DC
2056 CC_DEPFLAGS='-MMD'
2057 AS_DEPFLAGS='-MMD'
01d31e16
MR
2058 cflags_speed='-O3'
2059 cflags_size='-Os'
2a472e9c
MK
2060elif $cc -V 2>&1 | grep -q Sun; then
2061 cc_type=suncc
448f5b83 2062 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
faa374b7 2063 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2a472e9c 2064 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
558c2683 2065 add_ldflags -xc99
01d31e16
MR
2066 cflags_speed='-O5'
2067 cflags_size='-O5 -xspace'
2068 cflags_filter=suncc_flags
03279bbe
MK
2069 suncc_flags(){
2070 for flag; do
2071 case $flag in
2072 -march=*|-mcpu=*)
2073 case "${flag#*=}" in
2074 native) echo -xtarget=native ;;
87ddc38b 2075 v9|niagara) echo -xarch=sparc ;;
03279bbe 2076 ultrasparc) echo -xarch=sparcvis ;;
87ddc38b 2077 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
03279bbe
MK
2078 i586|pentium) echo -xchip=pentium ;;
2079 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2080 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2081 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2082 pentium4*) echo -xtarget=pentium4 ;;
2083 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2084 *-sse3) echo -xarch=sse3 ;;
2085 core2) echo -xarch=ssse3 -xchip=core2 ;;
2086 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2087 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2088 k8|opteron|athlon64|athlon-fx)
2089 echo -xarch=sse2a ;;
2090 athlon*) echo -xarch=pentium_proa ;;
2091 esac
2092 ;;
2093 -std=c99) echo -xc99 ;;
2094 -fomit-frame-pointer) echo -xregs=frameptr ;;
2095 -fPIC) echo -KPIC -xcode=pic32 ;;
03279bbe
MK
2096 -W*,*) echo $flag ;;
2097 -f*-*|-W*) ;;
2098 *) echo $flag ;;
2099 esac
2100 done
2101 }
180ec37d 2102elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
349d78fe 2103 cc_type=pathscale
349d78fe
MR
2104 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2105 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2106 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
01d31e16
MR
2107 cflags_speed='-O2'
2108 cflags_size='-Os'
2109 cflags_filter='filter_out -Wdisabled-optimization'
6de163e9
MR
2110elif $cc -v 2>&1 | grep -q Open64; then
2111 cc_type=open64
6de163e9
MR
2112 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2113 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2114 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
01d31e16
MR
2115 cflags_speed='-O2'
2116 cflags_size='-Os'
2117 cflags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
e73ec921
MR
2118elif $cc -V 2>&1 | grep -q Portland; then
2119 cc_type=pgi
e73ec921
MR
2120 cc_ident="PGI $($cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2121 opt_common='-alias=ansi -Mlre -Mpre'
01d31e16
MR
2122 cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2123 cflags_size="-O2 -Munroll=c:1 $opt_common"
2124 cflags_noopt="-O1"
2125 cflags_filter=pgi_flags
e73ec921
MR
2126 pgi_flags(){
2127 for flag; do
2128 case $flag in
2129 -fomit-frame-pointer) echo -Mnoframe ;;
2130 -g) echo -gopt ;;
2131 *) echo $flag ;;
2132 esac
2133 done
2134 }
629687f6
MR
2135fi
2136
851ffa80
MR
2137test -n "$cc_type" && enable $cc_type ||
2138 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 2139
75bafbac 2140: ${as_default:=$cc}
50567afa 2141: ${dep_cc_default:=$cc}
684b28e0 2142: ${ld_default:=$cc}
121d78d0 2143set_default ar as dep_cc ld
75800dce 2144
07dec06e
MR
2145test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2146test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2147
7f32f40c 2148add_cflags $extra_cflags
2f2e6c7c 2149add_asflags $extra_cflags
7f32f40c 2150
154d432c
MR
2151if test -n "$sysroot"; then
2152 case "$cc_type" in
00ba041c 2153 gcc|llvm_gcc|clang)
467256f2 2154 add_cppflags --sysroot="$sysroot"
154d432c
MR
2155 add_ldflags --sysroot="$sysroot"
2156 ;;
6fec122a
MR
2157 tms470)
2158 add_cppflags -I"$sysinclude"
2159 add_ldflags --sysroot="$sysroot"
2160 ;;
154d432c
MR
2161 esac
2162fi
2163
d22c13a8
MR
2164if test "$cpu" = host; then
2165 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2166
2167 case "$cc_type" in
613a4e3f 2168 gcc|llvm_gcc)
d22c13a8
MR
2169 check_native(){
2170 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
b695256e 2171 sed -n "/cc1.*$1=/{
27ce1be8
MR
2172 s/.*$1=\\([^ ]*\\).*/\\1/
2173 p
2174 q
2175 }" $TMPE
d22c13a8
MR
2176 }
2177 cpu=$(check_native -march || check_native -mcpu)
2178 ;;
2179 esac
2180
2181 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2182fi
2183
e939cedd
MR
2184# Deal with common $arch aliases
2185case "$arch" in
2186 arm*)
2187 arch="arm"
2188 ;;
2189 mips|mipsel|IP*)
2190 arch="mips"
2191 ;;
47b1860e 2192 mips64*)
e939cedd
MR
2193 arch="mips"
2194 subarch="mips64"
2195 ;;
2196 parisc|hppa)
2197 arch="parisc"
2198 ;;
2199 parisc64|hppa64)
2200 arch="parisc"
2201 subarch="parisc64"
2202 ;;
2203 "Power Macintosh"|ppc|powerpc)
2204 arch="ppc"
2205 ;;
47b1860e 2206 ppc64|powerpc64)
e939cedd
MR
2207 arch="ppc"
2208 subarch="ppc64"
2209 ;;
2210 s390|s390x)
2211 arch="s390"
2212 ;;
2213 sh4|sh)
2214 arch="sh4"
2215 ;;
2216 sun4u|sparc64)
2217 arch="sparc"
2218 subarch="sparc64"
2219 ;;
d33ed7b3 2220 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
e939cedd
MR
2221 arch="x86"
2222 ;;
2223esac
2224
851ffa80 2225is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 2226enable $arch
e939cedd 2227
df5cdc24 2228# Add processor-specific flags
5d54c126
MR
2229if test "$cpu" = generic; then
2230 : do nothing
2231elif enabled ppc; then
343aef9b 2232
56348891
MR
2233 case $(tolower $cpu) in
2234 601|ppc601|powerpc601)
9dbd5c3d 2235 cpuflags="-mcpu=601"
64ad53ff 2236 disable altivec
9dbd5c3d 2237 ;;
56348891 2238 603*|ppc603*|powerpc603*)
9dbd5c3d 2239 cpuflags="-mcpu=603"
64ad53ff 2240 disable altivec
9dbd5c3d 2241 ;;
56348891 2242 604*|ppc604*|powerpc604*)
9dbd5c3d 2243 cpuflags="-mcpu=604"
64ad53ff 2244 disable altivec
9dbd5c3d 2245 ;;
56348891 2246 g3|75*|ppc75*|powerpc75*)
9dbd5c3d 2247 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
64ad53ff 2248 disable altivec
9dbd5c3d 2249 ;;
56348891 2250 g4|745*|ppc745*|powerpc745*)
9dbd5c3d
MR
2251 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2252 ;;
56348891 2253 74*|ppc74*|powerpc74*)
9dbd5c3d
MR
2254 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2255 ;;
313f9fbf 2256 g5|970|ppc970|powerpc970)
9dbd5c3d
MR
2257 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2258 ;;
313f9fbf
SM
2259 power[3-7]*)
2260 cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2261 ;;
56348891 2262 cell)
9dbd5c3d
MR
2263 cpuflags="-mcpu=cell"
2264 enable ldbrx
2265 ;;
7b0b81a1
AL
2266 e500v2)
2267 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2268 disable altivec
2269 ;;
2270 e500)
2271 cpuflags="-mcpu=8540 -mhard-float"
2272 disable altivec
2273 ;;
9dbd5c3d 2274 esac
343aef9b
MR
2275
2276elif enabled x86; then
2277
9dbd5c3d
MR
2278 case $cpu in
2279 i[345]86|pentium)
2280 cpuflags="-march=$cpu"
2281 disable mmx
2282 ;;
2283 # targets that do NOT support conditional mov (cmov)
2284 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2285 cpuflags="-march=$cpu"
2286 disable cmov
2287 ;;
2288 # targets that do support conditional mov (cmov)
9ddf1b1a 2289 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
9dbd5c3d
MR
2290 cpuflags="-march=$cpu"
2291 enable cmov
2292 enable fast_cmov
2293 ;;
2294 # targets that do support conditional mov but on which it's slow
2295 pentium4|pentium4m|prescott|nocona)
2296 cpuflags="-march=$cpu"
2297 enable cmov
2298 disable fast_cmov
2299 ;;
2300 esac
343aef9b
MR
2301
2302elif enabled sparc; then
2303
9dbd5c3d 2304 case $cpu in
26b7199e
MK
2305 niagara)
2306 cpuflags="-mcpu=$cpu"
2307 disable vis
2308 ;;
9dbd5c3d
MR
2309 sparc64)
2310 cpuflags="-mcpu=v9"
2311 ;;
2312 esac
343aef9b
MR
2313
2314elif enabled arm; then
2315
34ba23c9
MR
2316 case $cpu in
2317 armv*)
2318 cpuflags="-march=$cpu"
c2eae137 2319 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
34ba23c9
MR
2320 ;;
2321 *)
2322 cpuflags="-mcpu=$cpu"
c2eae137
MR
2323 case $cpu in
2324 cortex-a*) subarch=armv7a ;;
2325 cortex-r*) subarch=armv7r ;;
9e19704a 2326 cortex-m*) enable thumb; subarch=armv7m ;;
c2eae137
MR
2327 arm11*) subarch=armv6 ;;
2328 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2329 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2330 esac
34ba23c9
MR
2331 ;;
2332 esac
343aef9b
MR
2333
2334elif enabled alpha; then
2335
34ba23c9 2336 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
2337
2338elif enabled bfin; then
2339
34ba23c9 2340 cpuflags="-mcpu=$cpu"
343aef9b
MR
2341
2342elif enabled mips; then
2343
34ba23c9 2344 cpuflags="-march=$cpu"
343aef9b
MR
2345
2346elif enabled avr32; then
2347
9dbd5c3d
MR
2348 case $cpu in
2349 ap7[02]0[0-2])
2350 subarch="avr32_ap"
2351 cpuflags="-mpart=$cpu"
2352 ;;
2353 ap)
2354 subarch="avr32_ap"
2355 cpuflags="-march=$cpu"
2356 ;;
2357 uc3[ab]*)
2358 subarch="avr32_uc"
2359 cpuflags="-mcpu=$cpu"
2360 ;;
2361 uc)
2362 subarch="avr32_uc"
2363 cpuflags="-march=$cpu"
2364 ;;
2365 esac
df5cdc24 2366
343aef9b
MR
2367fi
2368
df5cdc24
MR
2369add_cflags $cpuflags
2370add_asflags $cpuflags
2371
993f2d0f
MR
2372# compiler sanity check
2373check_exec <<EOF
2374int main(void){ return 0; }
2375EOF
2376if test "$?" != 0; then
2377 echo "$cc is unable to create an executable file."
2378 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2379 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2380 echo "Only do this if you know what cross compiling means."
2381 fi
2382 die "C compiler test failed."
2383fi
2384
046f081b 2385add_cppflags -D_ISOC99_SOURCE
e9b9a2f8 2386check_cflags -std=c99
50a334e4 2387check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2388#include <stdlib.h>
2389EOF
50a334e4 2390check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2391#include <stdlib.h>
2392EOF
e9b9a2f8 2393
f0125de9 2394check_host_cflags -std=c99
0a6db2a2 2395check_host_cflags -Wall
f0125de9 2396
b24dbcbd 2397case "$arch" in
e939cedd 2398 alpha|ia64|mips|parisc|sparc)
8a3c8627 2399 spic=$shared
b24dbcbd 2400 ;;
e939cedd 2401 x86)
cfdb6148 2402 subarch="x86_32"
5adc829e 2403 check_code cc "" "int test[(int)sizeof(char*) - 7]" && subarch="x86_64"
de27f4d9 2404 if test "$subarch" = "x86_64"; then
e939cedd 2405 spic=$shared
de27f4d9 2406 fi
b24dbcbd 2407 ;;
b24dbcbd
RP
2408esac
2409
343aef9b 2410enable $subarch
8a3c8627 2411enabled spic && enable pic
b24dbcbd 2412
7483e694 2413# OS specific
4f854758 2414case $target_os in
a1629e28 2415 haiku)
63ae7e7c 2416 prefix_default="/boot/common"
108caaaa 2417 network_extralibs="-lnetwork"
f59c4bd6 2418 host_libs=
a1629e28 2419 ;;
7483e694 2420 sunos)
4d58e4cb 2421 AVSERVERLDFLAGS=""
9987769a 2422 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2423 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2424 network_extralibs="-lsocket -lnsl"
779222db 2425 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
87a74f47
SM
2426 # When using suncc to build, the Solaris linker will mark
2427 # an executable with each instruction set encountered by
2428 # the Solaris assembler. As our libraries contain their own
2429 # guards for processor-specific code, instead suppress
2430 # generation of the HWCAPS ELF section on Solaris x86 only.
2431 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
8182dc34 2432 nm_opts='-P -g'
7483e694
DB
2433 ;;
2434 netbsd)
a1e4b3f6 2435 disable symver
07a8eef6
MR
2436 oss_indev_extralibs="-lossaudio"
2437 oss_outdev_extralibs="-lossaudio"
7483e694
DB
2438 ;;
2439 openbsd)
7c4a001a 2440 # On OpenBSD 4.5. the compiler does not use PIC unless
070c5d0f 2441 # explicitly using -fPIC. Libav builds fine without PIC,
7c4a001a
MR
2442 # however the generated executable will not do anything
2443 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2444 # Thus explicitly enable PIC here.
cd78208b 2445 enable pic
a1e4b3f6 2446 disable symver
7483e694 2447 SHFLAGS='-shared'
07a8eef6
MR
2448 oss_indev_extralibs="-lossaudio"
2449 oss_outdev_extralibs="-lossaudio"
7483e694 2450 ;;
a1e4b3f6 2451 dragonfly)
a1e4b3f6
MR
2452 disable symver
2453 ;;
2454 freebsd)
7483e694
DB
2455 ;;
2456 bsd/os)
355d81df 2457 add_extralibs -lpoll -lgnugetopt
7483e694
DB
2458 ;;
2459 darwin)
301ab19d 2460 gas="gas-preprocessor.pl $cc"
e08b8239 2461 enabled ppc && add_asflags -force_cpusubtype_ALL
49e35f49 2462 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
dff68563 2463 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
355d81df 2464 add_ldflags -Wl,-dynamic,-search_paths_first
7483e694
DB
2465 SLIBSUF=".dylib"
2466 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2467 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4d58e4cb 2468 AVSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2469 objformat="macho"
1b0f6fb8 2470 enabled x86_64 && objformat="macho64"
8dfa86f7 2471 enabled_any pic shared ||
2704bd1a 2472 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2473 ;;
2474 mingw32*)
9d3f4f50 2475 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2476 disable network
2477 else
2478 target_os=mingw32
2479 fi
dcc01c06 2480 LIBTARGET=i386
1fc9fb8a 2481 if enabled x86_64; then
417516f6 2482 LIBTARGET="i386:x86-64"
336cc1b0 2483 elif enabled arm; then
15c5156d 2484 LIBTARGET=arm-wince
dcc01c06 2485 fi
fbd971a4 2486 shlibdir_default="$bindir_default"
7483e694
DB
2487 SLIBPREF=""
2488 SLIBSUF=".dll"
7483e694
DB
2489 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2490 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2f138f0b
MR
2491 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2492 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2493 SLIB_INSTALL_LINKS=
2494 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2495 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4b51fb1c 2496 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2497 objformat="win32"
ec10a9ab 2498 dlltool="${cross_prefix}dlltool"
bc574408 2499 enable dos_paths
1894e741 2500 check_cflags -fno-common
e26011d0
RP
2501 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2502 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
f7ad5aa2 2503 die "ERROR: MinGW runtime version must be >= 3.15."
5666a9f2 2504 add_cppflags -U__STRICT_ANSI__
7483e694
DB
2505 ;;
2506 cygwin*)
4f854758 2507 target_os=cygwin
fbd971a4 2508 shlibdir_default="$bindir_default"
7483e694
DB
2509 SLIBPREF="cyg"
2510 SLIBSUF=".dll"
2511 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2512 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2513 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2514 objformat="win32"
bc574408 2515 enable dos_paths
1894e741 2516 check_cflags -fno-common
a7a187a1 2517 add_cppflags -U__STRICT_ANSI__
7483e694 2518 ;;
4f365f37 2519 *-dos|freedos|opendos)
4f365f37 2520 network_extralibs="-lsocket"
ff1c015d 2521 objformat="coff"
bc574408 2522 enable dos_paths
a7a187a1 2523 add_cppflags -U__STRICT_ANSI__
4f365f37 2524 ;;
7483e694 2525 linux)
046f081b 2526 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
7483e694
DB
2527 enable dv1394
2528 ;;
2529 irix*)
4f854758 2530 target_os=irix
7483e694
DB
2531 ranlib="echo ignoring ranlib"
2532 ;;
d22e8442 2533 os/2*)
d22e8442 2534 ln_s="cp -f"
9297f1ed 2535 objformat="aout"
e14574eb 2536 add_cppflags -D_GNU_SOURCE
355d81df 2537 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
71c61f62 2538 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4d58e4cb 2539 AVSERVERLDFLAGS=""
287d3b13 2540 LIBSUF="_s.a"
d22e8442
DY
2541 SLIBPREF=""
2542 SLIBSUF=".dll"
2543 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2544 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2545 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2546 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2547 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2548 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2549 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2550 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2551 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2552 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2f138f0b 2553 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
bc574408 2554 enable dos_paths
d22e8442 2555 ;;
83993c1c 2556 gnu/kfreebsd)
c1f54478 2557 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
83993c1c 2558 ;;
34e82167 2559 gnu)
f60d1366 2560 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
34e82167 2561 ;;
d33ed7b3
MR
2562 qnx)
2563 add_cppflags -D_QNX_SOURCE
2564 network_extralibs="-lsocket"
2565 ;;
1c69c79f
MS
2566 symbian)
2567 SLIBSUF=".dll"
2568 enable dos_paths
e3bc07f4
MS
2569 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2570 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2571 add_ldflags -Wl,--target1-abs,--no-undefined \
2572 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2573 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2574 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2575 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2576 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
1c69c79f 2577 ;;
614d8911
MR
2578 none)
2579 ;;
7483e694 2580 *)
4f924f9a 2581 die "Unknown OS '$target_os'."
7483e694
DB
2582 ;;
2583esac
2584
6555acad
MR
2585esc(){
2586 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
2587}
2588
2589echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
db7515fd 2590
13cb2187
AS
2591check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2592
c9d19248
MR
2593set_default $PATHS_LIST
2594
320d060a 2595# we need to build at least one lib type
93b3c083 2596if ! enabled_any static shared; then
320d060a
DB
2597 cat <<EOF
2598At least one library type must be built.
2599Specify --enable-static to build the static libraries or --enable-shared to
2600build the shared libraries as well. To only build the shared libraries specify
2601--disable-static in addition to --enable-shared.
2602EOF
2603 exit 1;
2604fi
2605
2184c6f7 2606die_license_disabled() {
4c27207c 2607 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2608}
2609
e417d80d 2610die_license_disabled gpl libcdio
2184c6f7 2611die_license_disabled gpl libx264
de295976 2612die_license_disabled gpl libxavs
2184c6f7 2613die_license_disabled gpl libxvid
2184c6f7
DB
2614die_license_disabled gpl x11grab
2615
2f7ae63b 2616die_license_disabled nonfree libfaac
87246953 2617die_license_disabled nonfree libfdk_aac
a060866f 2618die_license_disabled nonfree openssl
b2e3c528 2619
0b175caa
DB
2620die_license_disabled version3 libopencore_amrnb
2621die_license_disabled version3 libopencore_amrwb
d89e738a 2622die_license_disabled version3 libvo_aacenc
f502ff3f 2623die_license_disabled version3 libvo_amrwbenc
0b175caa 2624
9cad0e4e 2625enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2626
40617a6d 2627disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2628
e276d9e8
MR
2629enable_pic() {
2630 enable pic
bce7b696
MR
2631 add_cppflags -DPIC
2632 add_cflags -fPIC
2633 add_asflags -fPIC
e276d9e8
MR
2634}
2635
2636enabled pic && enable_pic
bce7b696 2637
b4d96ba2
MR
2638check_cc <<EOF || die "Symbol mangling check failed."
2639int ff_extern;
2640EOF
8182dc34 2641sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
2642extern_prefix=${sym%%ff_extern*}
2643
f65883c8
MR
2644check_cc <<EOF && enable inline_asm
2645void foo(void) { __asm__ volatile ("" ::); }
2646EOF
61d251db 2647
df5e3978
MR
2648_restrict=
2649for restrict_keyword in restrict __restrict__ __restrict; do
2650 check_cc <<EOF && _restrict=$restrict_keyword && break
2651void foo(char * $restrict_keyword p);
2652EOF
2653done
2654
2655check_cc <<EOF && enable attribute_packed
2656struct { int x; } __attribute__((packed)) x;
2657EOF
2658
dffb41b9
MR
2659check_cc <<EOF && enable attribute_may_alias
2660union { int x; } __attribute__((may_alias)) x;
2661EOF
2662
df5e3978
MR
2663check_cc <<EOF || die "endian test failed"
2664unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2665EOF
48fc536a 2666od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 2667
e939cedd
MR
2668if enabled alpha; then
2669
2670 check_cflags -mieee
2671
2672elif enabled arm; then
e45391bb 2673
8986fddc 2674 enabled thumb && check_cflags -mthumb || check_cflags -marm
301ab19d 2675 nogas=die
50fa82e6 2676
44caaa56
MR
2677 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2678 enable vfp_args
2679 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2680 case "${cross_prefix:-$cc}" in
2681 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2682 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
fa0912fe
MR
2683__asm__ (".eabi_attribute 28, 1");
2684int main(void) { return 0; }
2685EOF
44caaa56
MR
2686 esac
2687 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2688 fi
fa0912fe 2689
fa0912fe
MR
2690 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2691 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2692 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2693 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
fa0912fe 2694 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
93eb8e4d 2695 enabled vfpv3 && check_asm vfpv3 '"vmov.f32 s0, #1.0"'
e45391bb 2696
6308729e
MR
2697 check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2698
e276d9e8
MR
2699 enabled_all armv6t2 shared !pic && enable_pic
2700
fa0912fe 2701elif enabled mips; then
e45391bb 2702
fa0912fe
MR
2703 check_asm loongson '"dmult.g $1, $2, $3"'
2704 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2705
fa0912fe 2706elif enabled ppc; then
e45391bb 2707
e6a0c354
MR
2708 enable local_aligned_8 local_aligned_16
2709
135448fa 2710 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2f0c136e 2711 check_asm ibm_asm '"add 0, 0, 0"'
fa0912fe 2712 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2713 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2714
2715 # AltiVec flags: The FSF version of GCC differs from the Apple version
2716 if enabled altivec; then
301ab19d 2717 nogas=warn
fa0912fe
MR
2718 check_cflags -maltivec -mabi=altivec &&
2719 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2720 check_cflags -faltivec
2721
2722 # check if our compiler supports Motorola AltiVec C API
2723 check_cc <<EOF || disable altivec
2724$inc_altivec_h
2725int main(void) {
2726 vector signed int v1, v2, v3;
2727 v1 = vec_add(v2,v3);
2728 return 0;
2729}
2730EOF
2731
2732 # check if our compiler supports braces for vector declarations
2733 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2734$inc_altivec_h
2735int main (void) { (vector int) {1}; return 0; }
2736EOF
2737 fi
e45391bb 2738
fa0912fe 2739elif enabled sparc; then
e45391bb 2740
fa0912fe
MR
2741 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2742 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2743
fa0912fe 2744elif enabled x86; then
e45391bb 2745
3f150ffb 2746 check_code ld immintrin.h "__xgetbv(0)" && enable xgetbv
c0ee695b 2747 check_code ld intrin.h "int info[4]; __cpuid(info, 0)" && enable cpuid
8e85ba8d 2748 check_code ld intrin.h "__rdtsc()" && enable rdtsc
358d854d 2749 check_code ld intrin.h "unsigned int x = __readeflags()" && enable rweflags
8e85ba8d 2750
f80ddd5b
RB
2751 check_code ld mmintrin.h "_mm_empty()" && enable mm_empty
2752
e6a0c354
MR
2753 enable local_aligned_8 local_aligned_16
2754
44965991
PI
2755 # check whether EBP is available on x86
2756 # As 'i' is stored on the stack, this program will crash
2757 # if the base pointer is used to access it because the
2758 # base pointer is cleared in the inline assembly code.
7dfef245 2759 check_exec_crash <<EOF && enable ebp_available
44965991 2760 volatile int i=0;
be449fca 2761 __asm__ volatile (
44965991
PI
2762 "xorl %%ebp, %%ebp"
2763 ::: "%ebp");
2764 return i;
44965991
PI
2765EOF
2766
f494213c 2767 # check whether EBX is available on x86
7cee5421
MR
2768 check_asm ebx_available '""::"b"(0)' &&
2769 check_asm ebx_available '"":::"%ebx"'
8e380710 2770
6f74fb03
RP
2771 # check whether xmm clobbers are supported
2772 check_asm xmm_clobbers '"":::"%xmm0"'
2773
d7f0920b 2774 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2775 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2776 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6 2777
9cca1e40 2778 if ! disabled_any asm mmx yasm; then
b6c06894
MR
2779 if check_cmd $yasmexe --version; then
2780 enabled x86_64 && yasm_extra="-m amd64"
2781 yasm_debug="-g dwarf2"
2782 elif check_cmd nasm -v; then
2783 yasmexe=nasm
2784 yasm_debug="-g -F dwarf"
2785 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2786 fi
2787
2788 YASMFLAGS="-f $objformat $yasm_extra"
2789 enabled pic && append YASMFLAGS "-DPIC"
2790 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2791 case "$objformat" in
2792 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2793 esac
2794
48545a8f 2795 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
25432e85 2796 die "yasm not found, use --disable-yasm for a crippled build"
429059f8 2797 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
31a0dcb2 2798 fi
e45391bb 2799
669b5583
MR
2800 case "$cpu" in
2801 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2802 disable fast_clz
2803 ;;
2804 esac
2805
44965991
PI
2806fi
2807
301ab19d
MR
2808if enabled asm; then
2809 as=${gas:=$as}
2810 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2811 $nogas "GNU assembler not found, install gas-preprocessor"
2812fi
2813
4a7e068b
MR
2814check_ldflags -Wl,--as-needed
2815
a98bb16d
RP
2816if check_func dlopen; then
2817 ldl=
2818elif check_func dlopen -ldl; then
2819 ldl=-ldl
8bf5d58f
MN
2820fi
2821
54fe299b
DV
2822if enabled network; then
2823 check_type "sys/types.h sys/socket.h" socklen_t
2824 check_type netdb.h "struct addrinfo"
75d339e0
MS
2825 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
2826 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
54fe299b
DV
2827 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2828 check_type netinet/in.h "struct sockaddr_in6"
cdee08e3 2829 check_type poll.h "struct pollfd"
54fe299b
DV
2830 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2831 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5699884c 2832 check_header netinet/sctp.h
f06dee77 2833 check_func getaddrinfo $network_extralibs
54fe299b
DV
2834 # Prefer arpa/inet.h over winsock2
2835 if check_header arpa/inet.h ; then
2836 check_func closesocket
2837 elif check_header winsock2.h ; then
47876d66
DB
2838 check_func_headers winsock2.h closesocket -lws2 &&
2839 network_extralibs="-lws2" ||
2840 { check_func_headers winsock2.h closesocket -lws2_32 &&
54fe299b 2841 network_extralibs="-lws2_32"; }
f06dee77 2842 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
54fe299b
DV
2843 check_type ws2tcpip.h socklen_t
2844 check_type ws2tcpip.h "struct addrinfo"
75d339e0
MS
2845 check_type ws2tcpip.h "struct group_source_req"
2846 check_type ws2tcpip.h "struct ip_mreq_source"
54fe299b 2847 check_type ws2tcpip.h "struct ipv6_mreq"
cdee08e3 2848 check_type winsock2.h "struct pollfd"
54fe299b
DV
2849 check_type ws2tcpip.h "struct sockaddr_in6"
2850 check_type ws2tcpip.h "struct sockaddr_storage"
2851 check_struct winsock2.h "struct sockaddr" sa_len
2852 else
2853 disable network
2854 fi
2855fi
2856
75ecf149
DB
2857# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2858check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2859
534a2231 2860check_func fcntl
7483e694
DB
2861check_func fork
2862check_func gethrtime
667fb97a 2863check_func getopt
7483e694 2864check_func getrusage
fc5607f8 2865check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
61183b5a 2866check_func gettimeofday
094c09bb 2867check_func inet_aton $network_extralibs
abfc8d05 2868check_func isatty
a5b64584 2869check_func localtime_r
4ae40685 2870check_func ${malloc_prefix}memalign && enable memalign
7483e694 2871check_func mkstemp
0328b9ea 2872check_func mmap
4ae40685 2873check_func ${malloc_prefix}posix_memalign && enable posix_memalign
be1a839c 2874check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
0104b608 2875check_func setrlimit
87958234 2876check_func strerror_r
6379900c 2877check_func strptime
47941088 2878check_func strtok_r
ea4d5f48 2879check_func sched_getaffinity
bcc73960 2880check_func sysconf
b9e22269 2881check_func sysctl
d3d3a32c 2882check_func usleep
b507ebd1 2883check_func_headers io.h setmode
b4675d0f 2884check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
fc5607f8 2885check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
02e8f427 2886check_func_headers windows.h GetProcessAffinityMask
2446d3d6 2887check_func_headers windows.h GetProcessTimes
61183b5a 2888check_func_headers windows.h GetSystemTimeAsFileTime
73f6d31e 2889check_func_headers windows.h MapViewOfFile
d3d3a32c 2890check_func_headers windows.h Sleep
7c5bfe7a 2891check_func_headers windows.h VirtualAlloc
6ffa87d3 2892
a98bb16d 2893check_header dlfcn.h
fa845061 2894check_header dxva.h
92c6a099 2895check_header dxva2api.h
3b1ab197 2896check_header io.h
a98bb16d 2897check_header malloc.h
bf6ce82d 2898check_header poll.h
b58412f1 2899check_header sys/mman.h
06bb5905 2900check_header sys/param.h
b091aa44 2901check_header sys/resource.h
bf6ce82d 2902check_header sys/select.h
e64bceea 2903check_header sys/time.h
542920b7 2904check_header unistd.h
272081b0
CEH
2905check_header vdpau/vdpau.h
2906check_header vdpau/vdpau_x11.h
d3d3a32c 2907check_header windows.h
68178ca9 2908check_header X11/extensions/XvMClib.h
a98bb16d 2909
a4fa192c 2910disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2911disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4 2912
ff3755cb
JG
2913if ! disabled w32threads && ! enabled pthreads; then
2914 check_func _beginthreadex && enable w32threads
2915fi
2916
57bd82d4
MR
2917# check for some common methods of building with pthread support
2918# do this before the optional library checks as some of them require pthreads
0dbfc1db
MR
2919if ! disabled pthreads && ! enabled w32threads; then
2920 enable pthreads
9e7fd101
MR
2921 if check_func pthread_create; then
2922 :
2923 elif check_func pthread_create -pthread; then
2924 add_cflags -pthread
afc9aee2 2925 add_extralibs -pthread
9e7fd101
MR
2926 elif check_func pthread_create -pthreads; then
2927 add_cflags -pthreads
afc9aee2 2928 add_extralibs -pthreads
8d94f606
GT
2929 elif check_func pthread_create -lpthreadGC2; then
2930 add_extralibs -lpthreadGC2
9e7fd101 2931 elif ! check_lib pthread.h pthread_create -lpthread; then
0dbfc1db 2932 disable pthreads
9e7fd101 2933 fi
57bd82d4
MR
2934fi
2935
8eee7025 2936for thread in $THREADS_LIST; do
e5f94c2b 2937 if enabled $thread; then
3ae3b721
RP
2938 test -n "$thread_type" &&
2939 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2940 thread_type="$thread"
e5f94c2b
RP
2941 fi
2942done
2943
50f7c296 2944check_lib math.h sin -lm && LIBM="-lm"
f3e3f28e 2945enabled vaapi && require vaapi va/va.h vaInitialize -lva
fdf88598 2946
15333562 2947check_mathfunc cbrtf
645d2652
MR
2948check_mathfunc exp2
2949check_mathfunc exp2f
46df708b
MS
2950check_mathfunc isinf
2951check_mathfunc isnan
645d2652 2952check_mathfunc llrint
07876e25 2953check_mathfunc llrintf
645d2652
MR
2954check_mathfunc log2
2955check_mathfunc log2f
2956check_mathfunc lrint
2957check_mathfunc lrintf
183b1c22 2958check_mathfunc rint
645d2652
MR
2959check_mathfunc round
2960check_mathfunc roundf
23d3931a 2961check_mathfunc trunc
645d2652 2962check_mathfunc truncf
f32adb22 2963
57bd82d4 2964# these are off by default, so fail if requested and not available
a1b3c5a3 2965enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
47941088 2966enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
bc8c1395 2967enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
79fda097 2968enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
37eeb5e2 2969enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
a5b64584 2970enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
5af41508 2971enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
3641b048 2972enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
9b9d3868 2973enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
eb7626a3
MR
2974enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2975enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4fa18c56 2976enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
3d6fac8c 2977enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
0de9c41f 2978enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4fa18c56
MR
2979enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2980enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
ae14f311 2981enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 2982enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
d89e738a 2983enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
f502ff3f 2984enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
7483e694 2985enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
7d07d6f5
DB
2986enabled libvpx && {
2987 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2988 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2989 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2990 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
eb7626a3 2991enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
46c3c53b
AK
2992 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
2993 die "ERROR: libx264 version must be >= 0.118."; }
de295976 2994enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2bfecf73 2995enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
a060866f
MS
2996enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
2997 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
2998 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
2999 die "ERROR: openssl not found"; }
8ac17293 3000
0b4a1821
AS
3001# libdc1394 check
3002if enabled libdc1394; then
3003 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3004 enable libdc1394_2; } ||
3005 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3006 enable libdc1394_1; } ||
3007 die "ERROR: No version of libdc1394 found "
3008fi
3009
9bd41bb1 3010if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
aa692d54
MR
3011 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3012 enable sdl &&
3013 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 3014fi
57bd82d4 3015
2270b4b2 3016texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 3017
c6f95144 3018check_header linux/fb.h
06e31011 3019check_header linux/videodev2.h
a6a4793d
LB
3020check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3021
1b6e8b73 3022check_header sys/videoio.h
47f38850 3023
27796dc3 3024check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
ec1ee802
RP
3025# check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3026# w32api 3.12 had it defined wrong
3027check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
c2345207 3028
f8aa696f 3029# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
3030{ check_header dev/bktr/ioctl_meteor.h &&
3031 check_header dev/bktr/ioctl_bt848.h; } ||
3032{ check_header machine/ioctl_meteor.h &&
3033 check_header machine/ioctl_bt848.h; } ||
3034{ check_header dev/video/meteor/ioctl_meteor.h &&
3035 check_header dev/video/bktr/ioctl_bt848.h; } ||
3036check_header dev/ic/bt8xx.h
f8aa696f 3037
15d59d2c 3038check_header sndio.h
c7682de0
RP
3039check_header sys/soundcard.h
3040check_header soundcard.h
deb29777 3041
b6f3d925 3042enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 3043
8772997d
SM
3044enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&
3045 check_func jack_port_get_latency_range -ljack
80ff8a16 3046
15d59d2c
B
3047enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3048
e417d80d
AK
3049enabled libcdio &&
3050 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3051
4a584eda
JA
3052enabled x11grab &&
3053require X11 X11/Xlib.h XOpenDisplay -lX11 &&
3054require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3055require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
f58f4ce1 3056
ac3dbb4d
SZ
3057# check for VDA header
3058if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
be1e8725 3059 enable vda && add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
ac3dbb4d
SZ
3060fi
3061
598ef02b 3062if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
3063check_cpp_condition \
3064 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
3065 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3066 disable vdpau; }
abf649c7 3067fi
deda2a4a 3068
95e561ec 3069enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
3070
3071# add some useful compiler flags if supported
3072check_cflags -Wdeclaration-after-statement
dcd479c0 3073check_cflags -Wall
440e3b2f 3074check_cflags -Wno-parentheses
dcd479c0 3075check_cflags -Wno-switch
b36518dc 3076check_cflags -Wno-format-zero-length
c07bd6a9
MN
3077check_cflags -Wdisabled-optimization
3078check_cflags -Wpointer-arith
3079check_cflags -Wredundant-decls
cc1fb623 3080check_cflags -Wno-pointer-sign
f4929996 3081check_cflags -Wcast-qual
9aceb3cf 3082check_cflags -Wwrite-strings
652a5bf6 3083check_cflags -Wtype-limits
764551c6 3084check_cflags -Wundef
fc298fd9 3085check_cflags -Wmissing-prototypes
c2ed91de 3086check_cflags -Wstrict-prototypes
5af4e0cc 3087enabled extra_warnings && check_cflags -Winline
cf9d24ad 3088
57bd82d4 3089# add some linker flags
5c0e9479 3090check_ldflags -Wl,--warn-common
3510a133 3091check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
fef2d661 3092test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
94a3401e 3093
47876d66 3094enabled xmm_clobber_test &&
7e4d9d5d
RB
3095 check_ldflags -Wl,--wrap,avcodec_open2 \
3096 -Wl,--wrap,avcodec_decode_audio4 \
3097 -Wl,--wrap,avcodec_decode_video2 \
3098 -Wl,--wrap,avcodec_decode_subtitle2 \
3099 -Wl,--wrap,avcodec_encode_audio2 \
3100 -Wl,--wrap,avcodec_encode_video \
3101 -Wl,--wrap,avcodec_encode_subtitle \
47876d66 3102 -Wl,--wrap,sws_scale ||
7e4d9d5d
RB
3103 disable xmm_clobber_test
3104
a482e61b 3105echo "X{};" > $TMPV
b462d132 3106if test_ldflags -Wl,--version-script,$TMPV; then
a482e61b 3107 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
b462d132
MR
3108 check_cc <<EOF && enable symver_asm_label
3109void ff_foo(void) __asm__ ("av_foo@VERSION");
0884fadf 3110void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
b462d132
MR
3111EOF
3112 check_cc <<EOF && enable symver_gnu_asm
3113__asm__(".symver ff_foo,av_foo@VERSION");
3114void ff_foo(void) {}
3115EOF
3116fi
a482e61b 3117
9cd7b854
MR
3118if [ -n "$optflags" ]; then
3119 add_cflags $optflags
3120elif enabled small; then
01d31e16 3121 add_cflags $cflags_size
8400d6b8 3122elif enabled optimizations; then
01d31e16 3123 add_cflags $cflags_speed
b05394a0 3124else
01d31e16 3125 add_cflags $cflags_noopt
cddf3f45 3126fi
11fdbc44 3127check_cflags -fno-math-errno
b2eb2ff0 3128check_cflags -fno-signed-zeros
cddf3f45 3129
629687f6 3130if enabled icc; then
b1598b58
MR
3131 # Just warnings, no remarks
3132 check_cflags -w1
3133 # -wd: Disable following warnings
3134 # 144, 167, 556: -Wno-pointer-sign
91bcad19 3135 # 1292: attribute "foo" ignored
88de5b0a 3136 # 1419: external declaration in primary source file
b1598b58 3137 # 10006: ignoring unknown option -fno-signed-zeros
f1c7c6ae 3138 # 10148: ignoring unknown option -Wno-parentheses
b1598b58 3139 # 10156: ignoring option '-W'; no argument required
88de5b0a 3140 check_cflags -wd144,167,556,1292,1419,10006,10148,10156
b1598b58
MR
3141 # 11030: Warning unknown option --as-needed
3142 # 10156: ignoring option '-export'; no argument required
3143 check_ldflags -wd10156,11030
3144 # Allow to compile with optimizations
3145 check_ldflags -march=$cpu
be2cf98a
CEH
3146 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3147 enable ebp_available
bdefad73 3148 if enabled x86_32; then
07e3f9af 3149 icc_version=$($cc -dumpversion)
47876d66
DB
3150 test ${icc_version%%.*} -ge 11 &&
3151 check_cflags -falign-stack=maintain-16-byte ||
bdefad73
MR
3152 disable aligned_stack
3153 fi
df442a8d
MR
3154elif enabled ccc; then
3155 # disable some annoying warnings
3156 add_cflags -msg_disable cvtu32to64
3157 add_cflags -msg_disable embedcomment
3158 add_cflags -msg_disable needconstext
3159 add_cflags -msg_disable nomainieee
3160 add_cflags -msg_disable ptrmismatch1
3161 add_cflags -msg_disable unreachcode
973859f5
MR
3162elif enabled gcc; then
3163 check_cflags -fno-tree-vectorize
765e6134 3164 check_cflags -Werror=implicit-function-declaration
de63bfec 3165 check_cflags -Werror=missing-prototypes
9d6b2077 3166 check_cflags -Werror=declaration-after-statement
613a4e3f
MR
3167elif enabled llvm_gcc; then
3168 check_cflags -mllvm -stack-alignment=16
06da6943 3169elif enabled clang; then
5c8ef670 3170 check_cflags -mllvm -stack-alignment=16
06da6943 3171 check_cflags -Qunused-arguments
138132be
MR
3172elif enabled armcc; then
3173 # 2523: use of inline assembler is deprecated
bcafde61
MR
3174 add_cflags -W${armcc_opt},--diag_suppress=2523
3175 add_cflags -W${armcc_opt},--diag_suppress=1207
5a92140b 3176 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
b0c1b66a 3177 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
d0ce090e
MR
3178 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3179 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
587d24ff
MR
3180elif enabled tms470; then
3181 add_cflags -pds=824 -pds=837
5f3b8314
MR
3182elif enabled pathscale; then
3183 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
504a64b9
CEH
3184fi
3185
7483e694
DB
3186enabled_any $THREADS_LIST && enable threads
3187
3188check_deps $CONFIG_LIST \
b6bb00b0 3189 $CONFIG_EXTRA \
7483e694 3190 $HAVE_LIST \
54e75be4
DB
3191 $ALL_COMPONENTS \
3192 $ALL_TESTS \
f70f03f6 3193
3bfd582c 3194enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
c8a4ae00 3195
be1a839c 3196! enabled_any memalign posix_memalign aligned_malloc &&