x86/cpu: implement support for xgetbv through intrinsics
[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
MR
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
MR
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]
06454877 172 --enable-libfaac enable FAAC support via libfaac [no]
a5b64584 173 --enable-libfreetype enable libfreetype [no]
06454877 174 --enable-libgsm enable GSM support via libgsm [no]
3641b048 175 --enable-libilbc enable iLBC de/encoding via libilbc [no]
06454877 176 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
becc3c62
MS
177 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
178 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
179 --enable-libopencv enable video filtering via libopencv [no]
06454877 180 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
7c922411 181 --enable-libpulse enable Pulseaudio input via libpulse [no]
0f943ce6 182 --enable-librtmp enable RTMP[E] support via librtmp [no]
06454877 183 --enable-libschroedinger enable Dirac support via libschroedinger [no]
b606a017 184 --enable-libspeex enable Speex support via libspeex [no]
06454877 185 --enable-libtheora enable Theora encoding via libtheora [no]
d89e738a 186 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
f502ff3f 187 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
06454877
MR
188 --enable-libvorbis enable Vorbis encoding via libvorbis,
189 native implementation exists [no]
8299a7f8 190 --enable-libvpx enable VP8 support 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(){
caf458dd 588 append CPPFLAGS $($filter_cppflags "$@")
50a334e4
MR
589}
590
57bd82d4 591add_cflags(){
caf458dd 592 append CFLAGS $($filter_cflags "$@")
57bd82d4
MR
593}
594
2f2e6c7c 595add_asflags(){
caf458dd 596 append ASFLAGS $($filter_asflags "$@")
2f2e6c7c
MR
597}
598
57bd82d4
MR
599add_ldflags(){
600 append LDFLAGS "$@"
601}
602
603add_extralibs(){
60361817 604 prepend extralibs "$@"
57bd82d4
MR
605}
606
b0cfb663 607check_cmd(){
b3cb5d51 608 log "$@"
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
2a194acd 659 check_cc $($filter_cflags $flags) || return
7e75f9fe 660 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
dcd479c0
MR
661}
662
5adc829e
MR
663check_code(){
664 log check_code "$@"
665 check=$1
666 headers=$2
667 code=$3
668 shift 3
669 {
670 for hdr in $headers; do
671 echo "#include <$hdr>"
672 done
673 echo "int main(void) { $code; return 0; }"
674 } | check_$check "$@"
675}
676
50a334e4
MR
677check_cppflags(){
678 log check_cppflags "$@"
caf458dd
MR
679 set -- $($filter_cppflags "$@")
680 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
681int x;
682EOF
683}
684
dcd479c0 685check_cflags(){
57bd82d4 686 log check_cflags "$@"
caf458dd
MR
687 set -- $($filter_cflags "$@")
688 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
689int x;
690EOF
691}
692
2ed46eea
MR
693test_ldflags(){
694 log test_ldflags "$@"
695 check_ld "$@" <<EOF
c23a0ac8 696int main(void){ return 0; }
dcd479c0
MR
697EOF
698}
699
2ed46eea
MR
700check_ldflags(){
701 log check_ldflags "$@"
702 test_ldflags "$@" && add_ldflags "$@"
703}
704
dcd479c0 705check_header(){
57bd82d4 706 log check_header "$@"
dcd479c0
MR
707 header=$1
708 shift
b77df637
MR
709 disable_safe $header
710 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
711#include <$header>
712int x;
713EOF
714}
715
716check_func(){
57bd82d4 717 log check_func "$@"
dcd479c0
MR
718 func=$1
719 shift
d8bc5f06
MR
720 disable $func
721 check_ld "$@" <<EOF && enable $func
dcd479c0 722extern int $func();
c23a0ac8 723int main(void){ $func(); }
dcd479c0
MR
724EOF
725}
726
645d2652 727check_mathfunc(){
6b73c0ae 728 log check_mathfunc "$@"
645d2652
MR
729 func=$1
730 shift
731 disable $func
732 check_ld "$@" <<EOF && enable $func
733#include <math.h>
33bd38db
MR
734float foo(float f) { return $func(f); }
735int main(void){ return 0; }
645d2652
MR
736EOF
737}
738
2446d3d6
DB
739check_func_headers(){
740 log check_func_headers "$@"
f8d7b072 741 headers=$1
edaf1ae2 742 funcs=$2
f8d7b072 743 shift 2
edaf1ae2
MR
744 {
745 for hdr in $headers; do
746 echo "#include <$hdr>"
747 done
748 for func in $funcs; do
749 echo "long check_$func(void) { return (long) $func; }"
750 done
751 echo "int main(void) { return 0; }"
752 } | check_ld "$@" && enable $funcs && enable_safe $headers
f8d7b072
MR
753}
754
a5344cf7
SS
755check_cpp_condition(){
756 log check_cpp_condition "$@"
757 header=$1
758 condition=$2
f855b7b9
MR
759 shift 2
760 check_cpp $($filter_cppflags "$@") <<EOF
a5344cf7
SS
761#include <$header>
762#if !($condition)
763#error "unsatisfied condition: $condition"
764#endif
765EOF
766}
767
57bd82d4
MR
768check_lib(){
769 log check_lib "$@"
770 header="$1"
771 func="$2"
772 shift 2
84400e9d 773 check_header $header && check_func $func "$@" && add_extralibs "$@"
57bd82d4
MR
774}
775
f8d7b072
MR
776check_lib2(){
777 log check_lib2 "$@"
778 headers="$1"
edaf1ae2 779 funcs="$2"
f8d7b072 780 shift 2
edaf1ae2 781 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
f8d7b072
MR
782}
783
3f8040db
MR
784check_pkg_config(){
785 log check_pkg_config "$@"
786 pkg="$1"
787 headers="$2"
788 funcs="$3"
789 shift 3
790 $pkg_config --exists $pkg || return
791 pkg_cflags=$($pkg_config --cflags $pkg)
792 pkg_libs=$($pkg_config --libs $pkg)
793 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
794 set_safe ${pkg}_cflags $pkg_cflags &&
795 set_safe ${pkg}_libs $pkg_libs
796}
797
dcd479c0 798check_exec(){
2270b4b2 799 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
800}
801
7dfef245 802check_exec_crash(){
5e622c40 803 code=$(cat)
7dfef245
MR
804
805 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
806 # are safe but may not be available everywhere. Thus we use
807 # raise(SIGTERM) instead. The check is run in a subshell so we
808 # can redirect the "Terminated" message from the shell. SIGBUS
809 # is not defined by standard C so it is used conditionally.
810
2270b4b2 811 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
812#include <signal.h>
813static void sighandler(int sig){
814 raise(SIGTERM);
815}
e5af4a11 816int main(void){
7dfef245
MR
817 signal(SIGILL, sighandler);
818 signal(SIGFPE, sighandler);
819 signal(SIGSEGV, sighandler);
820#ifdef SIGBUS
821 signal(SIGBUS, sighandler);
822#endif
823 { $code }
824}
825EOF
826}
827
72be9e73
DY
828check_type(){
829 log check_type "$@"
830 headers=$1
831 type=$2
832 shift 2
ae550ce9 833 disable_safe "$type"
5adc829e 834 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
72be9e73
DY
835}
836
14d36751
MR
837check_struct(){
838 log check_type "$@"
839 headers=$1
840 struct=$2
841 member=$3
842 shift 3
843 disable_safe "${struct}_${member}"
5adc829e
MR
844 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
845 enable_safe "${struct}_${member}"
14d36751
MR
846}
847
57bd82d4
MR
848require(){
849 name="$1"
850 header="$2"
851 func="$3"
852 shift 3
853 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
854}
855
f8d7b072
MR
856require2(){
857 name="$1"
858 headers="$2"
859 func="$3"
860 shift 3
861 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
862}
863
3f8040db
MR
864require_pkg_config(){
865 pkg="$1"
866 check_pkg_config "$@" || die "ERROR: $pkg not found"
867 add_cflags $(get_safe ${pkg}_cflags)
868 add_extralibs $(get_safe ${pkg}_libs)
869}
870
f0125de9
MR
871check_host_cc(){
872 log check_host_cc "$@"
873 cat > $TMPC
874 log_file $TMPC
875 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
876}
877
878check_host_cflags(){
879 log check_host_cflags "$@"
880 check_host_cc "$@" <<EOF && append host_cflags "$@"
881int x;
882EOF
883}
884
c505dd31
MR
885apply(){
886 file=$1
887 shift
888 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
889}
890
c34681df 891cp_if_changed(){
5e27ec28
MR
892 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
893 mkdir -p "$(dirname $2)"
894 cp -f "$1" "$2"
c34681df
MR
895}
896
dcd61286
DB
897# CONFIG_LIST contains configurable options, while HAVE_LIST is for
898# system-dependent things.
899
4a0d6686
AJ
900COMPONENT_LIST="
901 bsfs
902 decoders
903 demuxers
904 encoders
3cde40aa 905 filters
5666fd73 906 hwaccels
c552605c 907 indevs
4a0d6686 908 muxers
c552605c 909 outdevs
4a0d6686
AJ
910 parsers
911 protocols
912"
913
055c61b8
DB
914PROGRAM_LIST="
915 avconv
916 avplay
917 avprobe
918 avserver
055c61b8
DB
919"
920
4a0d6686
AJ
921CONFIG_LIST="
922 $COMPONENT_LIST
055c61b8 923 $PROGRAM_LIST
a5444fee 924 ac3dsp
5a0f7131
MR
925 avcodec
926 avdevice
f7679c54 927 avfilter
5a0f7131 928 avformat
c8af852b 929 avresample
c88f5d72 930 avisynth
f402916e 931 bzlib
7f3f5f46 932 dct
c73f65d9 933 doc
05aec7bb 934 dwt
92c6a099 935 dxva2
27a9466b 936 fastdiv
1848f7d9 937 fft
47941088 938 frei0r
bc8c1395 939 gnutls
c88f5d72 940 gpl
d8d0d0b2 941 gray
3abe5fbd 942 hardcoded_tables
e417d80d 943 libcdio
f7b8bffe 944 libdc1394
2eed5a46 945 libfaac
a5b64584 946 libfreetype
c88f5d72 947 libgsm
3641b048 948 libilbc
6ebe07fb 949 libmp3lame
0b175caa
DB
950 libopencore_amrnb
951 libopencore_amrwb
6ebf0bfc 952 libopencv
9a77d59a 953 libopenjpeg
0de9c41f 954 libpulse
0f943ce6 955 librtmp
f7cd9eed 956 libschroedinger
ae14f311 957 libspeex
150d2772 958 libtheora
d89e738a 959 libvo_aacenc
f502ff3f 960 libvo_amrwbenc
c88f5d72 961 libvorbis
8299a7f8 962 libvpx
1cc60c47 963 libx264
de295976 964 libxavs
1cc60c47 965 libxvid
b781cc12 966 lsp
47a158cb 967 mdct
c88f5d72 968 memalign_hack
c4f5c2d6 969 mpegaudiodsp
c88f5d72 970 network
3fe142e2 971 nonfree
a060866f 972 openssl
8a3c8627 973 pic
68602540 974 rdft
44b70ce5 975 rtpdec
e90f5b5a 976 runtime_cpudetect
8cfbbd92 977 safe_bitstream_reader
2e35e684 978 shared
4538729a 979 sinewin
bd2216e4 980 small
6b35d421 981 sram
2e35e684 982 static
5a0f7131 983 swscale
a9ddb5b1 984 swscale_alpha
8986fddc 985 thumb
17492d5e 986 vaapi
ac3dbb4d 987 vda
17492d5e 988 vdpau
9cad0e4e 989 version3
7e4d9d5d 990 xmm_clobber_test
56a059ac 991 x11grab
c88f5d72 992 zlib
4a0d6686 993"
c88f5d72 994
8eee7025 995THREADS_LIST='
8eee7025
DB
996 pthreads
997 w32threads
998'
999
3f5b56e5
MR
1000ARCH_LIST='
1001 alpha
a2fc0f6a 1002 arm
fdcd782d
MR
1003 avr32
1004 avr32_ap
1005 avr32_uc
3f5b56e5
MR
1006 bfin
1007 ia64
1008 m68k
1009 mips
bae3abb0 1010 mips64
3f5b56e5 1011 parisc
79cb09b2 1012 ppc
34d11b87 1013 ppc64
3f5b56e5
MR
1014 s390
1015 sh4
1016 sparc
1017 sparc64
0844bae1 1018 tomi
3f5b56e5
MR
1019 x86
1020 x86_32
1021 x86_64
1022'
1023
1024ARCH_EXT_LIST='
1ac9331a 1025 altivec
3bf96eec 1026 amd3dnow
a1ef9f08 1027 amd3dnowext
1ac9331a 1028 armv5te
edab3048 1029 armv6
ab5cb084 1030 armv6t2
f55b299a 1031 armvfp
87f1355f 1032 avx
3f5b56e5
MR
1033 mmi
1034 mmx
d7f0920b 1035 mmx2
6b18d278 1036 neon
799fde37 1037 ppc4xx
1bb04d5a 1038 sse
9eeed841 1039 ssse3
93eb8e4d 1040 vfpv3
bd9d34a0 1041 vis
3f5b56e5
MR
1042'
1043
a3e02a8c
MR
1044HAVE_LIST_PUB='
1045 bigendian
d268eee9 1046 fast_unaligned
a3e02a8c
MR
1047'
1048
3f5b56e5
MR
1049HAVE_LIST="
1050 $ARCH_EXT_LIST
a3e02a8c 1051 $HAVE_LIST_PUB
3f5b56e5 1052 $THREADS_LIST
be1a839c 1053 aligned_malloc
59782b82 1054 aligned_stack
35fd8122 1055 alsa_asoundlib_h
3f5b56e5 1056 altivec_h
c9fdab0d 1057 arpa_inet_h
6308729e 1058 asm_mod_y
dffb41b9 1059 attribute_may_alias
e7ea5e3d 1060 attribute_packed
15333562 1061 cbrtf
ecf97f22 1062 closesocket
1ac9331a 1063 cmov
c88f5d72 1064 dcbzl
f8aa696f
DB
1065 dev_bktr_ioctl_bt848_h
1066 dev_bktr_ioctl_meteor_h
1067 dev_ic_bt8xx_h
f8aa696f 1068 dev_video_bktr_ioctl_bt848_h
3e0b1c9a 1069 dev_video_meteor_ioctl_meteor_h
18b67ae5 1070 dlfcn_h
c88f5d72 1071 dlopen
bc574408 1072 dos_paths
fa845061 1073 dxva_h
245626d0
DB
1074 ebp_available
1075 ebx_available
6b7c7703
VS
1076 exp2
1077 exp2f
c2a29455 1078 fast_64bit
669b5583 1079 fast_clz
7073e9fc 1080 fast_cmov
534a2231 1081 fcntl
9d99cc5a 1082 fork
84882df6 1083 getaddrinfo
da9e86f8 1084 gethrtime
02e8f427 1085 GetProcessAffinityMask
fc5607f8 1086 GetProcessMemoryInfo
4e68cb8a 1087 GetProcessTimes
61183b5a 1088 GetSystemTimeAsFileTime
66be5b45 1089 getrusage
61183b5a 1090 gettimeofday
a49d3025 1091 gnu_as
2f0c136e 1092 ibm_asm
2e1913b1 1093 inet_aton
61d251db 1094 inline_asm
3b1ab197 1095 io_h
abfc8d05 1096 isatty
46df708b
MS
1097 isinf
1098 isnan
8772997d 1099 jack_port_get_latency_range
9f5ff83f 1100 ldbrx
0b4a1821
AS
1101 libdc1394_1
1102 libdc1394_2
a33cab3a 1103 llrint
07876e25 1104 llrintf
d96cd429
MR
1105 local_aligned_16
1106 local_aligned_8
a5b64584 1107 localtime_r
291fd18a 1108 log2
6b7c7703 1109 log2f
85dd97ad 1110 loongson
a33cab3a 1111 lrint
c88f5d72 1112 lrintf
f8aa696f
DB
1113 machine_ioctl_bt848_h
1114 machine_ioctl_meteor_h
c88f5d72 1115 malloc_h
73f6d31e 1116 MapViewOfFile
c88f5d72 1117 memalign
6ffa87d3 1118 mkstemp
f80ddd5b 1119 mm_empty
0328b9ea 1120 mmap
d3d3a32c 1121 nanosleep
5699884c 1122 netinet_sctp_h
3e0b1c9a 1123 poll_h
1f91cdce 1124 posix_memalign
07b28702 1125 rdtsc
a33cab3a
MK
1126 round
1127 roundf
ea4d5f48 1128 sched_getaffinity
c88f5d72
MR
1129 sdl
1130 sdl_video_size
b507ebd1 1131 setmode
3e0b1c9a 1132 setrlimit
d3d3a32c 1133 Sleep
15d59d2c 1134 sndio_h
72be9e73 1135 socklen_t
deb29777 1136 soundcard_h
87958234 1137 strerror_r
6379900c 1138 strptime
47941088 1139 strtok_r
c0018613 1140 struct_addrinfo
75d339e0
MS
1141 struct_group_source_req
1142 struct_ip_mreq_source
b4d68544 1143 struct_ipv6_mreq
cdee08e3 1144 struct_pollfd
3e0b1c9a 1145 struct_rusage_ru_maxrss
b4d68544 1146 struct_sockaddr_in6
3b2372bf 1147 struct_sockaddr_sa_len
33a4dbdd 1148 struct_sockaddr_storage
a6a4793d 1149 struct_v4l2_frmivalenum_discrete
b462d132 1150 symver
b462d132 1151 symver_asm_label
3e0b1c9a 1152 symver_gnu_asm
bcc73960 1153 sysconf
b9e22269 1154 sysctl
b58412f1 1155 sys_mman_h
06bb5905 1156 sys_param_h
b091aa44 1157 sys_resource_h
81644c2e 1158 sys_select_h
deb29777 1159 sys_soundcard_h
e64bceea 1160 sys_time_h
1b6e8b73 1161 sys_videoio_h
b265431e 1162 threads
23d3931a 1163 trunc
7b04b8a0 1164 truncf
542920b7 1165 unistd_h
d3d3a32c 1166 usleep
ce742de2 1167 vfp_args
7c5bfe7a 1168 VirtualAlloc
d3d3a32c 1169 windows_h
6ff3f3e7 1170 winsock2_h
cc078b5d 1171 xform_asm
3f150ffb 1172 xgetbv
6f74fb03 1173 xmm_clobbers
304d586d 1174 yasm
0cb78cef 1175"
44161118 1176
b6bb00b0
MR
1177# options emitted with CONFIG_ prefix but not available on command line
1178CONFIG_EXTRA="
478fd534 1179 aandct
dc4f5a1c 1180 avutil
478fd534 1181 golomb
9cad0e4e 1182 gplv3
478fd534
DB
1183 h264chroma
1184 h264dsp
1185 h264pred
915a2a0a 1186 h264qpel
478fd534 1187 huffman
9cad0e4e 1188 lgplv3
478fd534 1189 lpc
b6bb00b0
MR
1190"
1191
520cc7f1 1192CMDLINE_SELECT="
3f5b56e5 1193 $ARCH_EXT_LIST
520cc7f1 1194 $CONFIG_LIST
8eee7025 1195 $THREADS_LIST
c8a4ae00 1196 asm
db6107b6 1197 cross_compile
520cc7f1
MR
1198 debug
1199 extra_warnings
8c6afa4d 1200 logging
d2bbb2f7 1201 optimizations
9baec618 1202 symver
7595a5e4 1203 yasm
520cc7f1 1204"
426be5dc
DB
1205
1206PATHS_LIST='
d156bede 1207 bindir
14a8acf1 1208 datadir
26759c44
MR
1209 incdir
1210 libdir
26759c44
MR
1211 mandir
1212 prefix
1213 shlibdir
426be5dc
DB
1214'
1215
1216CMDLINE_SET="
1217 $PATHS_LIST
121d78d0 1218 ar
426be5dc 1219 arch
313c46a6 1220 as
426be5dc
DB
1221 build_suffix
1222 cc
1223 cpu
1224 cross_prefix
50567afa 1225 dep_cc
ac63af34 1226 extra_version
9da6609f
MR
1227 host_cc
1228 host_cflags
1229 host_ldflags
1230 host_libs
82bb3329 1231 host_os
684b28e0 1232 ld
426be5dc 1233 logfile
4ae40685 1234 malloc_prefix
89641463 1235 nm
9cd7b854 1236 optflags
3f8040db 1237 pkg_config
2fad0977 1238 samples
c5200f17
MR
1239 sysinclude
1240 sysroot
a7ada2ba 1241 target_exec
26759c44 1242 target_os
a7ada2ba 1243 target_path
426be5dc 1244"
520cc7f1 1245
89f2932b
MR
1246CMDLINE_APPEND="
1247 extra_cflags
1248"
1249
912f3148
DB
1250# code dependency declarations
1251
9eeed841 1252# architecture extensions
808fa33c 1253
a2fc0f6a
MR
1254armv5te_deps="arm"
1255armv6_deps="arm"
ab5cb084 1256armv6t2_deps="arm"
a2fc0f6a 1257armvfp_deps="arm"
808fa33c 1258neon_deps="arm"
93eb8e4d 1259vfpv3_deps="armvfp"
808fa33c 1260
e241ba14 1261mmi_deps="mips"
808fa33c
MR
1262
1263altivec_deps="ppc"
1264ppc4xx_deps="ppc"
1265
1266vis_deps="sparc"
1267
7f8c3d1f 1268x86_64_suggest="cmov fast_cmov"
808fa33c
MR
1269amd3dnow_deps="mmx"
1270amd3dnowext_deps="amd3dnow"
9eeed841 1271mmx_deps="x86"
75aa95a6 1272mmx2_deps="mmx"
75aa95a6
DB
1273sse_deps="mmx"
1274ssse3_deps="sse"
87f1355f 1275avx_deps="ssse3"
9eeed841 1276
59782b82 1277aligned_stack_if_any="ppc x86"
e939cedd 1278fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1279fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1280fast_unaligned_if_any="armv6 ppc x86"
669b5583 1281
6fec122a 1282inline_asm_deps="!tms470"
3e0b1c9a 1283need_memalign="altivec neon sse"
89e053f8 1284
b462d132
MR
1285symver_if_any="symver_asm_label symver_gnu_asm"
1286
26fbcc85 1287# subsystems
dc609252 1288dct_select="rdft"
26fbcc85
MR
1289mdct_select="fft"
1290rdft_select="fft"
c4f5c2d6 1291mpegaudiodsp_select="dct"
26fbcc85 1292
5666fd73 1293# decoders / encoders / hardware accelerators
cfc2a0cf 1294aac_decoder_select="mdct sinewin"
4538729a 1295aac_encoder_select="mdct sinewin"
136e19e1 1296aac_latm_decoder_select="aac_decoder aac_latm_parser"
6d9f52b2 1297ac3_decoder_select="mdct ac3dsp ac3_parser"
a5444fee 1298ac3_encoder_select="mdct ac3dsp"
3d269059 1299ac3_fixed_encoder_select="mdct ac3dsp"
f4d608e3 1300alac_encoder_select="lpc"
b781cc12 1301amrnb_decoder_select="lsp"
2b2a597e 1302amrwb_decoder_select="lsp"
4538729a 1303atrac1_decoder_select="mdct sinewin"
26fbcc85 1304atrac3_decoder_select="mdct"
a33657ce
DB
1305binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1306binkaudio_rdft_decoder_select="mdct rdft sinewin"
4f034993 1307cavs_decoder_select="golomb"
4538729a 1308cook_decoder_select="mdct sinewin"
2eef7c62 1309cscd_decoder_suggest="zlib"
26fbcc85 1310dca_decoder_select="mdct"
e8ed9b7a 1311dnxhd_encoder_select="aandct"
2eef7c62 1312dxa_decoder_select="zlib"
baf91bb9 1313eac3_decoder_select="ac3_decoder"
aa47c35d 1314eac3_encoder_select="mdct ac3dsp"
84c04e25 1315eamad_decoder_select="aandct"
e8ed9b7a 1316eatgq_decoder_select="aandct"
d52b39c7 1317eatqi_decoder_select="aandct"
4f034993
MR
1318ffv1_decoder_select="golomb"
1319flac_decoder_select="golomb"
f4d608e3 1320flac_encoder_select="golomb lpc"
2eef7c62
AJ
1321flashsv_decoder_select="zlib"
1322flashsv_encoder_select="zlib"
c2d23309 1323flashsv2_decoder_select="zlib"
4414137e 1324flv_decoder_select="h263_decoder"
4d4b4bd1 1325flv_encoder_select="h263_encoder"
3447f12d 1326fraps_decoder_select="huffman"
e8ed9b7a 1327h261_encoder_select="aandct"
7f647ae0 1328h263_decoder_select="h263_parser"
e8ed9b7a 1329h263_encoder_select="aandct"
95a61cfc 1330h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1331h263i_decoder_select="h263_decoder"
fe629c2d 1332h263p_encoder_select="h263_encoder"
915a2a0a 1333h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
92c6a099
LA
1334h264_dxva2_hwaccel_deps="dxva2api_h"
1335h264_dxva2_hwaccel_select="dxva2 h264_decoder"
76718f3f 1336h264_vaapi_hwaccel_select="vaapi h264_decoder"
ac3dbb4d 1337h264_vda_hwaccel_select="vda h264_decoder"
95a61cfc 1338h264_vdpau_decoder_select="vdpau h264_decoder"
19be0f3c 1339iac_decoder_select="fft mdct sinewin"
56c8227d 1340imc_decoder_select="fft mdct sinewin"
4f034993
MR
1341jpegls_decoder_select="golomb"
1342jpegls_encoder_select="golomb"
e8ed9b7a 1343ljpeg_encoder_select="aandct"
4f034993 1344loco_decoder_select="golomb"
e8ed9b7a 1345mjpeg_encoder_select="aandct"
2cca233b 1346mlp_decoder_select="mlp_parser"
c4f5c2d6 1347mp1_decoder_select="mpegaudiodsp"
c4f5c2d6 1348mp1float_decoder_select="mpegaudiodsp"
3e0b1c9a 1349mp2_decoder_select="mpegaudiodsp"
c4f5c2d6 1350mp2float_decoder_select="mpegaudiodsp"
3e0b1c9a
DB
1351mp3_decoder_select="mpegaudiodsp"
1352mp3adu_decoder_select="mpegaudiodsp"
c4f5c2d6
MR
1353mp3adufloat_decoder_select="mpegaudiodsp"
1354mp3float_decoder_select="mpegaudiodsp"
3e0b1c9a 1355mp3on4_decoder_select="mpegaudiodsp"
c4f5c2d6 1356mp3on4float_decoder_select="mpegaudiodsp"
606c9297
DB
1357mpc7_decoder_select="mpegaudiodsp"
1358mpc8_decoder_select="mpegaudiodsp"
95a61cfc 1359mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
3e0b1c9a
DB
1360mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1361mpeg_xvmc_decoder_select="mpegvideo_decoder"
95a61cfc 1362mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
3e0b1c9a 1363mpeg1video_encoder_select="aandct"
164aab02
LA
1364mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1365mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
95a61cfc 1366mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
3e0b1c9a
DB
1367mpeg2video_encoder_select="aandct"
1368mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1369mpeg4_encoder_select="h263_encoder"
95a61cfc 1370mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871 1371mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
4414137e 1372msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1373msmpeg4v1_encoder_select="h263_encoder"
4414137e 1374msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1375msmpeg4v2_encoder_select="h263_encoder"
4414137e 1376msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1377msmpeg4v3_encoder_select="h263_encoder"
4538729a
MR
1378nellymoser_decoder_select="mdct sinewin"
1379nellymoser_encoder_select="mdct sinewin"
2eef7c62
AJ
1380png_decoder_select="zlib"
1381png_encoder_select="zlib"
b781cc12 1382qcelp_decoder_select="lsp"
c4f5c2d6 1383qdm2_decoder_select="mdct rdft mpegaudiodsp"
31ed3f1f 1384ra_144_encoder_select="lpc"
9f43fdda 1385ralf_decoder_select="golomb"
a8beb22f 1386rv10_decoder_select="h263_decoder"
b2bf38b4 1387rv10_encoder_select="h263_encoder"
a8beb22f 1388rv20_decoder_select="h263_decoder"
b2bf38b4 1389rv20_encoder_select="h263_encoder"
915a2a0a
DB
1390rv30_decoder_select="golomb h264chroma h264pred h264qpel"
1391rv40_decoder_select="golomb h264chroma h264pred h264qpel"
4f034993 1392shorten_decoder_select="golomb"
b781cc12 1393sipr_decoder_select="lsp"
05aec7bb
MR
1394snow_decoder_select="dwt"
1395snow_encoder_select="aandct dwt"
19ecfb8a 1396svq1_encoder_select="aandct"
915a2a0a 1397svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
bee2eac5 1398svq3_decoder_suggest="zlib"
4eef77c1 1399theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1400tiff_decoder_suggest="zlib"
1401tiff_encoder_suggest="zlib"
aec09a00 1402truehd_decoder_select="mlp_decoder"
2eef7c62 1403tscc_decoder_select="zlib"
4538729a 1404twinvq_decoder_select="mdct lsp sinewin"
915a2a0a 1405vc1_decoder_select="h263_decoder h264chroma h264qpel"
562ebc30 1406vc1_dxva2_hwaccel_deps="dxva2api_h"
f0f86627 1407vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
95a61cfc 1408vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
95a61cfc 1409vc1_vdpau_decoder_select="vdpau vc1_decoder"
45ecda85 1410vc1image_decoder_select="vc1_decoder"
26fbcc85
MR
1411vorbis_decoder_select="mdct"
1412vorbis_encoder_select="mdct"
3447f12d 1413vp6_decoder_select="huffman"
e82dc4c9
DB
1414vp6a_decoder_select="vp6_decoder"
1415vp6f_decoder_select="vp6_decoder"
915a2a0a 1416vp8_decoder_select="h264pred h264qpel"
4538729a
MR
1417wmapro_decoder_select="mdct sinewin"
1418wmav1_decoder_select="mdct sinewin"
1419wmav1_encoder_select="mdct sinewin"
1420wmav2_decoder_select="mdct sinewin"
1421wmav2_encoder_select="mdct sinewin"
1422wmavoice_decoder_select="lsp rdft dct mdct sinewin"
f95bfab0 1423wmv1_decoder_select="h263_decoder"
665507aa 1424wmv1_encoder_select="h263_encoder"
f95bfab0 1425wmv2_decoder_select="h263_decoder"
1746e2a9 1426wmv2_encoder_select="h263_encoder"
015f8ee0 1427wmv3_decoder_select="vc1_decoder"
f0f86627 1428wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1429wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1430wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
45ecda85 1431wmv3image_decoder_select="wmv3_decoder"
0e714f88 1432zerocodec_decoder_select="zlib"
2eef7c62
AJ
1433zlib_decoder_select="zlib"
1434zlib_encoder_select="zlib"
1435zmbv_decoder_select="zlib"
1436zmbv_encoder_select="zlib"
30fd06be 1437
0afab17e 1438vaapi_deps="va_va_h"
ac3dbb4d 1439vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
c89c96e9
MR
1440vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1441
28b80940 1442# parsers
6a7c5312 1443h264_parser_select="golomb h264dsp h264pred"
28b80940 1444
912f3148 1445# external libraries
c9171a83 1446libfaac_encoder_deps="libfaac"
299c77d5
MR
1447libgsm_decoder_deps="libgsm"
1448libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1449libgsm_ms_decoder_deps="libgsm"
1450libgsm_ms_encoder_deps="libgsm"
3641b048
MS
1451libilbc_decoder_deps="libilbc"
1452libilbc_encoder_deps="libilbc"
1cc60c47 1453libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1454libopencore_amrnb_decoder_deps="libopencore_amrnb"
1455libopencore_amrnb_encoder_deps="libopencore_amrnb"
1456libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1457libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1458libschroedinger_decoder_deps="libschroedinger"
1459libschroedinger_encoder_deps="libschroedinger"
ae14f311 1460libspeex_decoder_deps="libspeex"
b606a017 1461libspeex_encoder_deps="libspeex"
150d2772 1462libtheora_encoder_deps="libtheora"
d89e738a 1463libvo_aacenc_encoder_deps="libvo_aacenc"
f502ff3f 1464libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
b0caf888 1465libvorbis_encoder_deps="libvorbis"
8299a7f8 1466libvpx_decoder_deps="libvpx"
ee0e9146 1467libvpx_encoder_deps="libvpx"
1cc60c47 1468libx264_encoder_deps="libx264"
de295976 1469libxavs_encoder_deps="libxavs"
1cc60c47 1470libxvid_encoder_deps="libxvid"
30fd06be 1471
912f3148 1472# demuxers / muxers
c2dd0e9e 1473ac3_demuxer_select="ac3_parser"
647c2356 1474asf_stream_muxer_select="asf_muxer"
4e622dea 1475avisynth_demuxer_deps="avisynth"
c2dd0e9e 1476dirac_demuxer_select="dirac_parser"
5b423887 1477eac3_demuxer_select="ac3_parser"
c2dd0e9e 1478flac_demuxer_select="flac_parser"
647c2356 1479ipod_muxer_select="mov_muxer"
647c2356 1480matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1481matroska_demuxer_suggest="zlib bzlib"
1482mov_demuxer_suggest="zlib"
c2dd0e9e 1483mp3_demuxer_select="mpegaudio_parser"
647c2356 1484mp4_muxer_select="mov_muxer"
2439bd86 1485mpegts_muxer_select="adts_muxer latm_muxer"
647c2356
DB
1486mpegtsraw_demuxer_select="mpegts_demuxer"
1487mxf_d10_muxer_select="mxf_muxer"
24ca518b 1488ogg_demuxer_select="golomb"
647c2356 1489psp_muxer_select="mov_muxer"
44594cc7 1490rtp_demuxer_select="sdp_demuxer"
44b70ce5
MS
1491rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1492rtsp_demuxer_select="http_protocol rtpdec"
1493rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
01c8d258 1494sap_demuxer_select="sdp_demuxer"
2aab70c4 1495sap_muxer_select="rtp_muxer rtp_protocol"
44b70ce5 1496sdp_demuxer_select="rtpdec"
f1e94694 1497spdif_muxer_select="aac_parser"
647c2356
DB
1498tg2_muxer_select="mov_muxer"
1499tgp_muxer_select="mov_muxer"
6bdaa5f4 1500w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1501
1502# indevs / outdevs
38e54a75 1503alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
38e54a75 1504alsa_outdev_deps="alsa_asoundlib_h"
38e54a75 1505bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75 1506dv1394_indev_deps="dv1394 dv_demuxer"
c6f95144 1507fbdev_indev_deps="linux_fb_h"
38e54a75 1508jack_indev_deps="jack_jack_h"
e417d80d 1509libcdio_indev_deps="libcdio"
38e54a75 1510libdc1394_indev_deps="libdc1394"
38e54a75
SS
1511oss_indev_deps_any="soundcard_h sys_soundcard_h"
1512oss_outdev_deps_any="soundcard_h sys_soundcard_h"
0de9c41f 1513pulse_indev_deps="libpulse"
15d59d2c
B
1514sndio_indev_deps="sndio_h"
1515sndio_outdev_deps="sndio_h"
38e54a75 1516v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
ec1ee802 1517vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
a1b3c5a3 1518vfwcap_indev_extralibs="-lavicap32"
38e54a75 1519x11_grab_device_indev_deps="x11grab XShmCreateImage"
30fd06be 1520
912f3148 1521# protocols
3fff6382 1522gopher_protocol_deps="network"
c40e1757
JS
1523httpproxy_protocol_deps="network"
1524httpproxy_protocol_select="tcp_protocol"
c08fb000 1525http_protocol_deps="network"
279a0c97 1526http_protocol_select="tcp_protocol"
183baead 1527https_protocol_select="tls_protocol"
c3b57d6e
DB
1528librtmp_protocol_deps="librtmp"
1529librtmpe_protocol_deps="librtmp"
1530librtmps_protocol_deps="librtmp"
1531librtmpt_protocol_deps="librtmp"
1532librtmpte_protocol_deps="librtmp"
c60a2d70 1533mmsh_protocol_select="http_protocol"
b4cf3f6c 1534mmst_protocol_deps="network"
c3b57d6e 1535rtmp_protocol_deps="!librtmp_protocol"
deeb7012 1536rtmp_protocol_select="tcp_protocol"
8e50c57d
SP
1537rtmphttp_protocol_deps="!librtmp_protocol"
1538rtmphttp_protocol_select="http_protocol"
1539rtmpt_protocol_deps="!librtmp_protocol"
1540rtmpt_protocol_select="rtmphttp_protocol"
deeb7012 1541rtp_protocol_select="udp_protocol"
5699884c 1542sctp_protocol_deps="network netinet_sctp_h"
c08fb000 1543tcp_protocol_deps="network"
558d192d
MS
1544tls_protocol_deps_any="openssl gnutls"
1545tls_protocol_select="tcp_protocol"
c08fb000
AB
1546udp_protocol_deps="network"
1547
6ebf0bfc 1548# filters
13fabd7a 1549blackframe_filter_deps="gpl"
ce6b6ef6 1550boxblur_filter_deps="gpl"
68b79bfc 1551cropdetect_filter_deps="gpl"
b157be1f 1552delogo_filter_deps="gpl"
a5b64584 1553drawtext_filter_deps="libfreetype"
2e5ff4d0 1554frei0r_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1555frei0r_filter_extralibs='$ldl'
a42bb9d6 1556frei0r_src_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1557frei0r_src_filter_extralibs='$ldl'
a4dc7aa5 1558hqdn3d_filter_deps="gpl"
d371e7b9 1559resample_filter_deps="avresample"
cf69ad35 1560ocv_filter_deps="libopencv"
2f296e39 1561scale_filter_deps="swscale"
acbac567 1562yadif_filter_deps="gpl"
6ebf0bfc 1563
5a0f7131
MR
1564# libraries
1565avdevice_deps="avcodec avformat"
1566avformat_deps="avcodec"
f7679c54 1567
912f3148 1568# programs
ce03b088
AK
1569avconv_deps="avcodec avfilter avformat avresample swscale
1570 aformat_filter asyncts_filter
1571 format_filter fps_filter scale_filter setpts_filter"
266463da
AK
1572avplay_deps="avcodec avformat swscale sdl"
1573avplay_select="rdft"
9e12f0bf 1574avprobe_deps="avcodec avformat"
b263bf66 1575avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
4d58e4cb 1576avserver_extralibs='$ldl'
a2830dca 1577
c73f65d9 1578doc_deps="texi2html"
912f3148 1579
57442411
MR
1580# tests
1581
1582test_deps(){
1583 suf1=$1
1584 suf2=$2
1585 shift 2
1586 for v; do
1587 dep=${v%=*}
1588 tests=${v#*=}
1589 for name in ${tests}; do
908f12f3 1590 append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
57442411
MR
1591 done
1592 done
1593}
1594
908f12f3
MR
1595mxf_d10_test_deps="avfilter"
1596seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1597
57442411
MR
1598test_deps _muxer _demuxer \
1599 aiff \
1600 pcm_alaw=alaw \
1601 asf \
1602 au \
1603 avi \
1604 dv=dv_fmt \
1605 ffm \
1606 flv=flv_fmt \
1607 gxf \
1608 matroska=mkv \
1609 mmf \
1610 mov \
1611 pcm_mulaw=mulaw \
0218808d 1612 mxf="mxf mxf_d10" \
57442411
MR
1613 nut \
1614 ogg \
1615 rawvideo=pixfmt \
1616 rm \
1617 swf \
1618 mpegts=ts \
1619 voc \
1620 wav \
1621 yuv4mpegpipe=yuv4mpeg \
1622
1623mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
9c261f83 1624
de6d9b64 1625# default parameters
8a608357 1626
19bd477d 1627logfile="config.log"
8a608357
MR
1628
1629# installation paths
c9d19248
MR
1630prefix_default="/usr/local"
1631bindir_default='${prefix}/bin'
6291d7e4 1632datadir_default='${prefix}/share/avconv'
c9d19248
MR
1633incdir_default='${prefix}/include'
1634libdir_default='${prefix}/lib'
1635mandir_default='${prefix}/share/man'
1636shlibdir_default="$libdir_default"
8a608357
MR
1637
1638# toolchain
121d78d0 1639ar_default="ar"
13c7df3d 1640cc_default="gcc"
a3d7c197 1641cc_version=\"unknown\"
9da6609f 1642host_cc_default="gcc"
11e6d03a 1643ln_s="ln -sf"
89641463 1644nm_default="nm"
11e6d03a 1645objformat="elf"
3f8040db 1646pkg_config_default=pkg-config
be7109c1 1647ranlib="ranlib"
11e6d03a 1648yasmexe="yasm"
8a608357 1649
8182dc34 1650nm_opts='-g'
3e0b1c9a 1651nogas=":"
8182dc34 1652
8a608357 1653# machine
8d4c00ed 1654arch_default=$(uname -m)
38d0a8aa 1655cpu="generic"
8a608357 1656
8a608357 1657# OS
8d4c00ed
MR
1658target_os_default=$(tolower $(uname -s))
1659host_os=$target_os_default
8a608357 1660
8a608357 1661# configurable options
055c61b8
DB
1662enable $PROGRAM_LIST
1663
5a0f7131
MR
1664enable avcodec
1665enable avdevice
cccc039f 1666enable avfilter
5a0f7131 1667enable avformat
c8af852b 1668enable avresample
dc4f5a1c 1669enable avutil
3e0b1c9a
DB
1670enable swscale
1671
3e0b1c9a
DB
1672enable asm
1673enable debug
1674enable doc
1675enable fastdiv
497237c7 1676enable network
8400d6b8 1677enable optimizations
8cfbbd92 1678enable safe_bitstream_reader
530dc538 1679enable static
a9ddb5b1 1680enable swscale_alpha
8a608357 1681
8a608357 1682# build settings
9987769a 1683SHFLAGS='-shared -Wl,-soname,$$(@F)'
4d58e4cb 1684AVSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1685LIBPREF="lib"
1686LIBSUF=".a"
c5f14466
RP
1687FULLNAME='$(NAME)$(BUILDSUF)'
1688LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1689SLIBPREF="lib"
1690SLIBSUF=".so"
c5f14466 1691SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1692SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1693SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1694LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2f138f0b
MR
1695SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1696SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
ef0bc4c9 1697
bc877faf 1698AS_O='-o $@'
7e6c86e6
MR
1699CC_O='-o $@'
1700
1d01fee9 1701host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
9da6609f
MR
1702host_libs='-lm'
1703
9b861379 1704target_path='$(CURDIR)'
a7ada2ba 1705
a158446b
MR
1706# since the object filename is not given with the -MM flag, the compiler
1707# is only able to print the basename, and we must add the path ourselves
c1c3933a 1708DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
d8059267 1709DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
315c741d 1710
c597172e 1711# find source path
24524f36 1712if test -f configure; then
f038cf3c 1713 source_path=.
c597172e 1714else
8477f2de 1715 source_path=$(cd $(dirname "$0"); pwd)
c597172e 1716 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1717 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1718 test -e "$source_path/config.h" &&
1719 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1720fi
1721
13cbe2c0 1722for v in "$@"; do
b04251c5
MR
1723 r=${v#*=}
1724 l=${v%"$r"}
1725 r=$(sh_quote "$r")
29ba0911 1726 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
13cbe2c0 1727done
c597172e 1728
73ef8980
MR
1729find_things(){
1730 thing=$1
1731 pattern=$2
1732 file=$source_path/$3
932ccf39 1733 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1734}
1735
1736ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1737DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1738HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1739PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1740BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1741MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1742DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1743OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1744INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1745PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1746FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1747
54e75be4
DB
1748ALL_COMPONENTS="
1749 $BSF_LIST
1750 $DECODER_LIST
1751 $DEMUXER_LIST
1752 $ENCODER_LIST
1753 $FILTER_LIST
1754 $HWACCEL_LIST
1755 $INDEV_LIST
1756 $MUXER_LIST
1757 $OUTDEV_LIST
1758 $PARSER_LIST
1759 $PROTOCOL_LIST
1760"
1761
57442411 1762find_tests(){
b9d5f1b7 1763 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
57442411
MR
1764}
1765
57442411 1766LAVF_TESTS=$(find_tests lavf)
48c28162 1767LAVFI_TESTS=$(find_tests lavfi)
b9d5f1b7 1768SEEK_TESTS=$(find_tests seek seek_)
57442411 1769
7263cd55 1770ALL_TESTS="$LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
40fe5019 1771
8469ae22
MR
1772for n in $COMPONENT_LIST; do
1773 v=$(toupper ${n%s})_LIST
1774 eval enable \$$v
1775 eval ${n}_if_any="\$$v"
1776done
1777
54e75be4 1778enable $ARCH_EXT_LIST $ALL_TESTS
c597172e
MR
1779
1780die_unknown(){
1781 echo "Unknown option \"$1\"."
1782 echo "See $0 --help for available options."
1783 exit 1
1784}
1785
794f8e97 1786show_list() {
bf0c4afa
RP
1787 suffix=_$1
1788 shift
2b444ea7 1789 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1790 exit 0
1791}
1792
c597172e 1793for opt do
7483e694
DB
1794 optval="${opt#*=}"
1795 case "$opt" in
0f010b2f 1796 --extra-ldflags=*) add_ldflags $optval
7483e694 1797 ;;
0f010b2f 1798 --extra-libs=*) add_extralibs $optval
7483e694 1799 ;;
8fb1cb58 1800 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1801 ;;
40bcf4c7
BL
1802 --enable-debug=*) debuglevel="$optval"
1803 ;;
36e2dea0 1804 --disable-everything)
1b15dc3c 1805 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
36e2dea0 1806 ;;
7483e694 1807 --enable-*=*|--disable-*=*)
8b93ddc3 1808 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1809 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1810 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1811 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1812 $action $(filter "$name" $list)
7483e694
DB
1813 ;;
1814 --enable-?*|--disable-?*)
5e622c40 1815 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1816 if is_in $option $COMPONENT_LIST; then
fed5d54b 1817 test $action = disable && action=unset
e3773a55
MR
1818 eval $action \$$(toupper ${option%s})_LIST
1819 elif is_in $option $CMDLINE_SELECT; then
1820 $action $option
1821 else
1822 die_unknown $opt
1823 fi
7483e694
DB
1824 ;;
1825 --list-*)
1826 NAME="${opt#--list-}"
1827 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1828 NAME=${NAME%s}
1829 eval show_list $NAME \$$(toupper $NAME)_LIST
1830 ;;
1831 --help|-h) show_help
1832 ;;
1833 *)
884a36a7 1834 optname="${opt%%=*}"
26759c44
MR
1835 optname="${optname#--}"
1836 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1837 if is_in $optname $CMDLINE_SET; then
1838 eval $optname='$optval'
1839 elif is_in $optname $CMDLINE_APPEND; then
1840 append $optname "$optval"
1841 else
1842 die_unknown $opt
1843 fi
7483e694
DB
1844 ;;
1845 esac
c597172e
MR
1846done
1847
bcea99bb
MR
1848disabled logging && logfile=/dev/null
1849
29ba0911 1850echo "# $0 $LIBAV_CONFIGURATION" > $logfile
bcea99bb
MR
1851set >> $logfile
1852
9da6609f
MR
1853test -n "$cross_prefix" && enable cross_compile
1854
8d4c00ed
MR
1855if enabled cross_compile; then
1856 test -n "$arch" && test -n "$target_os" ||
1857 die "Must specify target arch and OS when cross-compiling"
1858fi
1859
1860set_default arch target_os
1861
121d78d0 1862ar_default="${cross_prefix}${ar_default}"
11e6d03a 1863cc_default="${cross_prefix}${cc_default}"
20e0ed95 1864nm_default="${cross_prefix}${nm_default}"
3f8040db 1865pkg_config_default="${cross_prefix}${pkg_config_default}"
adb2b908 1866ranlib="${cross_prefix}${ranlib}"
adb2b908 1867
c5200f17
MR
1868sysinclude_default="${sysroot}/usr/include"
1869
e0be794a 1870set_default cc nm pkg_config sysinclude
9da6609f
MR
1871enabled cross_compile || host_cc_default=$cc
1872set_default host_cc
13c7df3d 1873
762f95e4
MR
1874if ! $pkg_config --version >/dev/null 2>&1; then
1875 warn "$pkg_config not found, library detection may fail."
1876 pkg_config=false
1877fi
1878
82bb3329
MR
1879exesuf() {
1880 case $1 in
1c69c79f 1881 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
82bb3329
MR
1882 esac
1883}
1884
1885EXESUF=$(exesuf $target_os)
1886HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1887
e4e69e0b 1888# set temporary file name
a49d42c2 1889: ${TMPDIR:=$TEMPDIR}
c51fafa1 1890: ${TMPDIR:=$TMP}
a49d42c2 1891: ${TMPDIR:=/tmp}
e4e69e0b 1892
a210bce2 1893if ! check_cmd mktemp -u XXXXXX; then
54460a83
MR
1894 # simple replacement for missing mktemp
1895 # NOT SAFE FOR GENERAL USE
1896 mktemp(){
09a5c245 1897 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
54460a83
MR
1898 }
1899fi
1900
1901tmpfile(){
1902 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1903 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1904 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1905 append TMPFILES $tmp
1906 eval $1=$tmp
1907}
1908
1909trap 'rm -f -- $TMPFILES' EXIT
54460a83 1910
55127e7b 1911tmpfile TMPASM .asm
3e0b1c9a
DB
1912tmpfile TMPC .c
1913tmpfile TMPE $EXESUF
1914tmpfile TMPH .h
1915tmpfile TMPO .o
1916tmpfile TMPS .S
1917tmpfile TMPSH .sh
1918tmpfile TMPV .ver
54460a83
MR
1919
1920unset -f mktemp
e4e69e0b 1921
fb3c4ffc
MR
1922chmod +x $TMPE
1923
993f2d0f
MR
1924# make sure we can execute files in $TMPDIR
1925cat > $TMPSH 2>> $logfile <<EOF
1926#! /bin/sh
1927EOF
1928chmod +x $TMPSH >> $logfile 2>&1
1929if ! $TMPSH >> $logfile 2>&1; then
1930 cat <<EOF
1931Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1932variable to another directory and make sure that it is not mounted noexec.
1933EOF
1934 die "Sanity test failed."
1935fi
993f2d0f 1936
3e0b1c9a 1937filter_asflags=echo
19b4c628
MR
1938filter_cflags=echo
1939filter_cppflags=echo
19b4c628 1940
613a4e3f
MR
1941if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1942 cc_type=llvm_gcc
1943 cc_version=__VERSION__
1944 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1945 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1946 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1947 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1948 speed_cflags='-O3'
1949 size_cflags='-Os'
1950elif $cc -v 2>&1 | grep -qi ^gcc; then
629687f6 1951 cc_type=gcc
a3d7c197 1952 cc_version=__VERSION__
5d57846b
MR
1953 gcc_version=$($cc --version | head -n1)
1954 gcc_basever=$($cc -dumpversion)
3ad464bf 1955 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
5d57846b
MR
1956 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1957 cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
aef6bd1b
MR
1958 if ! $cc -dumpversion | grep -q '^2\.'; then
1959 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1960 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1961 fi
14ca9cd0
MR
1962 speed_cflags='-O3'
1963 size_cflags='-Os'
629687f6
MR
1964elif $cc --version 2>/dev/null | grep -q Intel; then
1965 cc_type=icc
6e3fa35d 1966 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
bb5cecdc 1967 cc_ident=$($cc --version | head -n1)
bdefad73 1968 icc_version=$($cc -dumpversion)
07dec06e
MR
1969 CC_DEPFLAGS='-MMD'
1970 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1971 speed_cflags='-O3'
1972 size_cflags='-Os'
b05394a0 1973 noopt_cflags='-O1'
629687f6
MR
1974elif $cc -v 2>&1 | grep -q xlc; then
1975 cc_type=xlc
6e3fa35d 1976 cc_version="AV_STRINGIFY(__IBMC__)"
bb5cecdc 1977 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
14ca9cd0
MR
1978 speed_cflags='-O5'
1979 size_cflags='-O5 -qcompact'
df442a8d
MR
1980elif $cc -V 2>/dev/null | grep -q Compaq; then
1981 cc_type=ccc
6e3fa35d 1982 cc_version="AV_STRINGIFY(__DECC_VER)"
bb5cecdc 1983 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
d8059267 1984 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
03754fcd 1985 debuglevel=3
df442a8d 1986 add_ldflags -Wl,-z,now # calls to libots crash without this
14ca9cd0
MR
1987 speed_cflags='-fast'
1988 size_cflags='-O1'
6a0d5493 1989elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
03e37762
MR
1990 test -d "$sysroot" || die "No valid sysroot specified."
1991 cc_type=armcc
6e3fa35d 1992 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
bb5cecdc 1993 cc_ident=$($cc --vsn | head -n1)
03e37762
MR
1994 armcc_conf="$PWD/armcc.conf"
1995 $cc --arm_linux_configure \
1996 --arm_linux_config_file="$armcc_conf" \
1997 --configure_sysroot="$sysroot" \
1998 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1999 die "Error creating armcc configuration file."
bcafde61 2000 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
03e37762 2001 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 2002 as_default="${cross_prefix}gcc"
07dec06e
MR
2003 CC_DEPFLAGS='-MMD'
2004 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
2005 speed_cflags='-O3'
2006 size_cflags='-Os'
d0f0f628 2007 filter_asflags="filter_out -W${armcc_opt}*"
6fec122a
MR
2008elif $cc -version 2>/dev/null | grep -q TMS470; then
2009 cc_type=tms470
6e3fa35d 2010 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
bb5cecdc 2011 cc_ident=$($cc -version | head -n1 | tr -s ' ')
6fec122a
MR
2012 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2013 CC_O='-fr=$(@D)'
2014 as_default="${cross_prefix}gcc"
2015 ld_default="${cross_prefix}gcc"
6fec122a
MR
2016 TMPO=$(basename $TMPC .c).o
2017 append TMPFILES $TMPO
2018 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
07dec06e
MR
2019 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2020 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
2021 speed_cflags='-O3 -mf=5'
2022 size_cflags='-O3 -mf=2'
6fec122a
MR
2023 filter_cflags=tms470_flags
2024 tms470_flags(){
2025 for flag; do
2026 case $flag in
2027 -march=*|-mcpu=*)
2028 case "${flag#*=}" in
2029 armv7-a|cortex-a*) echo -mv=7a8 ;;
2030 armv7-r|cortex-r*) echo -mv=7r4 ;;
2031 armv7-m|cortex-m*) echo -mv=7m3 ;;
2032 armv6*|arm11*) echo -mv=6 ;;
2033 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2034 echo -mv=5e ;;
2035 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2036 esac
2037 ;;
2038 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2039 -mfpu=vfp) echo --float_support=vfpv2 ;;
5fcb865b 2040 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
a2709020 2041 -msoft-float) echo --float_support=vfplib ;;
14ca9cd0 2042 -O[0-3]|-mf=*) echo $flag ;;
6fec122a 2043 -g) echo -g -mn ;;
587d24ff 2044 -pds=*) echo $flag ;;
6fec122a
MR
2045 esac
2046 done
2047 }
06da6943
DC
2048elif $cc -v 2>&1 | grep -q clang; then
2049 cc_type=clang
b67a8f49
DC
2050 $cc -dM -E $TMPC | grep -q __clang_version__ &&
2051 cc_version=__clang_version__ || cc_version=__VERSION__
bb5cecdc 2052 cc_ident=$($cc --version | head -n1)
06da6943
DC
2053 CC_DEPFLAGS='-MMD'
2054 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
2055 speed_cflags='-O3'
2056 size_cflags='-Os'
2a472e9c
MK
2057elif $cc -V 2>&1 | grep -q Sun; then
2058 cc_type=suncc
2059 cc_version="AV_STRINGIFY(__SUNPRO_C)"
448f5b83 2060 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
faa374b7 2061 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2a472e9c 2062 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
558c2683 2063 add_ldflags -xc99
14ca9cd0
MR
2064 speed_cflags='-O5'
2065 size_cflags='-O5 -xspace'
03279bbe
MK
2066 filter_cflags=suncc_flags
2067 suncc_flags(){
2068 for flag; do
2069 case $flag in
2070 -march=*|-mcpu=*)
2071 case "${flag#*=}" in
2072 native) echo -xtarget=native ;;
87ddc38b 2073 v9|niagara) echo -xarch=sparc ;;
03279bbe 2074 ultrasparc) echo -xarch=sparcvis ;;
87ddc38b 2075 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
03279bbe
MK
2076 i586|pentium) echo -xchip=pentium ;;
2077 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2078 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2079 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2080 pentium4*) echo -xtarget=pentium4 ;;
2081 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2082 *-sse3) echo -xarch=sse3 ;;
2083 core2) echo -xarch=ssse3 -xchip=core2 ;;
2084 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2085 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2086 k8|opteron|athlon64|athlon-fx)
2087 echo -xarch=sse2a ;;
2088 athlon*) echo -xarch=pentium_proa ;;
2089 esac
2090 ;;
2091 -std=c99) echo -xc99 ;;
2092 -fomit-frame-pointer) echo -xregs=frameptr ;;
2093 -fPIC) echo -KPIC -xcode=pic32 ;;
03279bbe
MK
2094 -W*,*) echo $flag ;;
2095 -f*-*|-W*) ;;
2096 *) echo $flag ;;
2097 esac
2098 done
2099 }
180ec37d 2100elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
349d78fe
MR
2101 cc_type=pathscale
2102 cc_version=__PATHSCALE__
2103 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2104 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2105 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2106 speed_cflags='-O2'
2107 size_cflags='-Os'
7b2d2190 2108 filter_cflags='filter_out -Wdisabled-optimization'
6de163e9
MR
2109elif $cc -v 2>&1 | grep -q Open64; then
2110 cc_type=open64
2111 cc_version=__OPEN64__
2112 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2113 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2114 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2115 speed_cflags='-O2'
2116 size_cflags='-Os'
7b2d2190 2117 filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
e73ec921
MR
2118elif $cc -V 2>&1 | grep -q Portland; then
2119 cc_type=pgi
2120 cc_version='AV_STRINGIFY(__PGIC__.__PGIC_MINOR__.__PGIC_PATCHLEVEL__)'
2121 cc_ident="PGI $($cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2122 opt_common='-alias=ansi -Mlre -Mpre'
2123 speed_cflags="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2124 size_cflags="-O2 -Munroll=c:1 $opt_common"
2125 noopt_cflags="-O1"
2126 filter_cflags=pgi_flags
2127 pgi_flags(){
2128 for flag; do
2129 case $flag in
2130 -fomit-frame-pointer) echo -Mnoframe ;;
2131 -g) echo -gopt ;;
2132 *) echo $flag ;;
2133 esac
2134 done
2135 }
629687f6
MR
2136fi
2137
851ffa80
MR
2138test -n "$cc_type" && enable $cc_type ||
2139 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 2140
75bafbac 2141: ${as_default:=$cc}
50567afa 2142: ${dep_cc_default:=$cc}
684b28e0 2143: ${ld_default:=$cc}
121d78d0 2144set_default ar as dep_cc ld
75800dce 2145
07dec06e
MR
2146test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2147test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2148
7f32f40c 2149add_cflags $extra_cflags
2f2e6c7c 2150add_asflags $extra_cflags
7f32f40c 2151
154d432c
MR
2152if test -n "$sysroot"; then
2153 case "$cc_type" in
00ba041c 2154 gcc|llvm_gcc|clang)
467256f2 2155 add_cppflags --sysroot="$sysroot"
154d432c
MR
2156 add_ldflags --sysroot="$sysroot"
2157 ;;
6fec122a
MR
2158 tms470)
2159 add_cppflags -I"$sysinclude"
2160 add_ldflags --sysroot="$sysroot"
2161 ;;
154d432c
MR
2162 esac
2163fi
2164
d22c13a8
MR
2165if test "$cpu" = host; then
2166 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2167
2168 case "$cc_type" in
613a4e3f 2169 gcc|llvm_gcc)
d22c13a8
MR
2170 check_native(){
2171 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
b695256e 2172 sed -n "/cc1.*$1=/{
27ce1be8
MR
2173 s/.*$1=\\([^ ]*\\).*/\\1/
2174 p
2175 q
2176 }" $TMPE
d22c13a8
MR
2177 }
2178 cpu=$(check_native -march || check_native -mcpu)
2179 ;;
2180 esac
2181
2182 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2183fi
2184
e939cedd
MR
2185# Deal with common $arch aliases
2186case "$arch" in
2187 arm*)
2188 arch="arm"
2189 ;;
2190 mips|mipsel|IP*)
2191 arch="mips"
2192 ;;
47b1860e 2193 mips64*)
e939cedd
MR
2194 arch="mips"
2195 subarch="mips64"
2196 ;;
2197 parisc|hppa)
2198 arch="parisc"
2199 ;;
2200 parisc64|hppa64)
2201 arch="parisc"
2202 subarch="parisc64"
2203 ;;
2204 "Power Macintosh"|ppc|powerpc)
2205 arch="ppc"
2206 ;;
47b1860e 2207 ppc64|powerpc64)
e939cedd
MR
2208 arch="ppc"
2209 subarch="ppc64"
2210 ;;
2211 s390|s390x)
2212 arch="s390"
2213 ;;
2214 sh4|sh)
2215 arch="sh4"
2216 ;;
2217 sun4u|sparc64)
2218 arch="sparc"
2219 subarch="sparc64"
2220 ;;
d33ed7b3 2221 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
e939cedd
MR
2222 arch="x86"
2223 ;;
2224esac
2225
851ffa80 2226is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 2227enable $arch
e939cedd 2228
df5cdc24 2229# Add processor-specific flags
5d54c126
MR
2230if test "$cpu" = generic; then
2231 : do nothing
2232elif enabled ppc; then
343aef9b 2233
56348891
MR
2234 case $(tolower $cpu) in
2235 601|ppc601|powerpc601)
9dbd5c3d 2236 cpuflags="-mcpu=601"
64ad53ff 2237 disable altivec
9dbd5c3d 2238 ;;
56348891 2239 603*|ppc603*|powerpc603*)
9dbd5c3d 2240 cpuflags="-mcpu=603"
64ad53ff 2241 disable altivec
9dbd5c3d 2242 ;;
56348891 2243 604*|ppc604*|powerpc604*)
9dbd5c3d 2244 cpuflags="-mcpu=604"
64ad53ff 2245 disable altivec
9dbd5c3d 2246 ;;
56348891 2247 g3|75*|ppc75*|powerpc75*)
9dbd5c3d 2248 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
64ad53ff 2249 disable altivec
9dbd5c3d 2250 ;;
56348891 2251 g4|745*|ppc745*|powerpc745*)
9dbd5c3d
MR
2252 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2253 ;;
56348891 2254 74*|ppc74*|powerpc74*)
9dbd5c3d
MR
2255 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2256 ;;
313f9fbf 2257 g5|970|ppc970|powerpc970)
9dbd5c3d
MR
2258 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2259 ;;
313f9fbf
SM
2260 power[3-7]*)
2261 cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2262 ;;
56348891 2263 cell)
9dbd5c3d
MR
2264 cpuflags="-mcpu=cell"
2265 enable ldbrx
2266 ;;
7b0b81a1
AL
2267 e500v2)
2268 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2269 disable altivec
2270 ;;
2271 e500)
2272 cpuflags="-mcpu=8540 -mhard-float"
2273 disable altivec
2274 ;;
9dbd5c3d 2275 esac
343aef9b
MR
2276
2277elif enabled x86; then
2278
9dbd5c3d
MR
2279 case $cpu in
2280 i[345]86|pentium)
2281 cpuflags="-march=$cpu"
2282 disable mmx
2283 ;;
2284 # targets that do NOT support conditional mov (cmov)
2285 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2286 cpuflags="-march=$cpu"
2287 disable cmov
2288 ;;
2289 # targets that do support conditional mov (cmov)
9ddf1b1a 2290 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
9dbd5c3d
MR
2291 cpuflags="-march=$cpu"
2292 enable cmov
2293 enable fast_cmov
2294 ;;
2295 # targets that do support conditional mov but on which it's slow
2296 pentium4|pentium4m|prescott|nocona)
2297 cpuflags="-march=$cpu"
2298 enable cmov
2299 disable fast_cmov
2300 ;;
2301 esac
343aef9b
MR
2302
2303elif enabled sparc; then
2304
9dbd5c3d 2305 case $cpu in
26b7199e
MK
2306 niagara)
2307 cpuflags="-mcpu=$cpu"
2308 disable vis
2309 ;;
9dbd5c3d
MR
2310 sparc64)
2311 cpuflags="-mcpu=v9"
2312 ;;
2313 esac
343aef9b
MR
2314
2315elif enabled arm; then
2316
34ba23c9
MR
2317 case $cpu in
2318 armv*)
2319 cpuflags="-march=$cpu"
c2eae137 2320 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
34ba23c9
MR
2321 ;;
2322 *)
2323 cpuflags="-mcpu=$cpu"
c2eae137
MR
2324 case $cpu in
2325 cortex-a*) subarch=armv7a ;;
2326 cortex-r*) subarch=armv7r ;;
9e19704a 2327 cortex-m*) enable thumb; subarch=armv7m ;;
c2eae137
MR
2328 arm11*) subarch=armv6 ;;
2329 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2330 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2331 esac
34ba23c9
MR
2332 ;;
2333 esac
343aef9b
MR
2334
2335elif enabled alpha; then
2336
34ba23c9 2337 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
2338
2339elif enabled bfin; then
2340
34ba23c9 2341 cpuflags="-mcpu=$cpu"
343aef9b
MR
2342
2343elif enabled mips; then
2344
34ba23c9 2345 cpuflags="-march=$cpu"
343aef9b
MR
2346
2347elif enabled avr32; then
2348
9dbd5c3d
MR
2349 case $cpu in
2350 ap7[02]0[0-2])
2351 subarch="avr32_ap"
2352 cpuflags="-mpart=$cpu"
2353 ;;
2354 ap)
2355 subarch="avr32_ap"
2356 cpuflags="-march=$cpu"
2357 ;;
2358 uc3[ab]*)
2359 subarch="avr32_uc"
2360 cpuflags="-mcpu=$cpu"
2361 ;;
2362 uc)
2363 subarch="avr32_uc"
2364 cpuflags="-march=$cpu"
2365 ;;
2366 esac
df5cdc24 2367
343aef9b
MR
2368fi
2369
df5cdc24
MR
2370add_cflags $cpuflags
2371add_asflags $cpuflags
2372
993f2d0f
MR
2373# compiler sanity check
2374check_exec <<EOF
2375int main(void){ return 0; }
2376EOF
2377if test "$?" != 0; then
2378 echo "$cc is unable to create an executable file."
2379 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2380 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2381 echo "Only do this if you know what cross compiling means."
2382 fi
2383 die "C compiler test failed."
2384fi
2385
046f081b 2386add_cppflags -D_ISOC99_SOURCE
e9b9a2f8 2387check_cflags -std=c99
50a334e4 2388check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2389#include <stdlib.h>
2390EOF
50a334e4 2391check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2392#include <stdlib.h>
2393EOF
e9b9a2f8 2394
f0125de9 2395check_host_cflags -std=c99
0a6db2a2 2396check_host_cflags -Wall
f0125de9 2397
b24dbcbd 2398case "$arch" in
e939cedd 2399 alpha|ia64|mips|parisc|sparc)
8a3c8627 2400 spic=$shared
b24dbcbd 2401 ;;
e939cedd 2402 x86)
cfdb6148 2403 subarch="x86_32"
5adc829e 2404 check_code cc "" "int test[(int)sizeof(char*) - 7]" && subarch="x86_64"
de27f4d9 2405 if test "$subarch" = "x86_64"; then
e939cedd 2406 spic=$shared
de27f4d9 2407 fi
b24dbcbd 2408 ;;
b24dbcbd
RP
2409esac
2410
343aef9b 2411enable $subarch
8a3c8627 2412enabled spic && enable pic
b24dbcbd 2413
7483e694 2414# OS specific
4f854758 2415case $target_os in
a1629e28 2416 haiku)
63ae7e7c 2417 prefix_default="/boot/common"
108caaaa 2418 network_extralibs="-lnetwork"
f59c4bd6 2419 host_libs=
a1629e28 2420 ;;
7483e694 2421 sunos)
4d58e4cb 2422 AVSERVERLDFLAGS=""
9987769a 2423 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2424 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2425 network_extralibs="-lsocket -lnsl"
779222db 2426 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
87a74f47
SM
2427 # When using suncc to build, the Solaris linker will mark
2428 # an executable with each instruction set encountered by
2429 # the Solaris assembler. As our libraries contain their own
2430 # guards for processor-specific code, instead suppress
2431 # generation of the HWCAPS ELF section on Solaris x86 only.
2432 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
8182dc34 2433 nm_opts='-P -g'
7483e694
DB
2434 ;;
2435 netbsd)
a1e4b3f6 2436 disable symver
07a8eef6
MR
2437 oss_indev_extralibs="-lossaudio"
2438 oss_outdev_extralibs="-lossaudio"
7483e694
DB
2439 ;;
2440 openbsd)
7c4a001a 2441 # On OpenBSD 4.5. the compiler does not use PIC unless
070c5d0f 2442 # explicitly using -fPIC. Libav builds fine without PIC,
7c4a001a
MR
2443 # however the generated executable will not do anything
2444 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2445 # Thus explicitly enable PIC here.
cd78208b 2446 enable pic
a1e4b3f6 2447 disable symver
7483e694 2448 SHFLAGS='-shared'
07a8eef6
MR
2449 oss_indev_extralibs="-lossaudio"
2450 oss_outdev_extralibs="-lossaudio"
7483e694 2451 ;;
a1e4b3f6 2452 dragonfly)
a1e4b3f6
MR
2453 disable symver
2454 ;;
2455 freebsd)
7483e694
DB
2456 ;;
2457 bsd/os)
355d81df 2458 add_extralibs -lpoll -lgnugetopt
7483e694
DB
2459 ;;
2460 darwin)
301ab19d 2461 gas="gas-preprocessor.pl $cc"
e08b8239 2462 enabled ppc && add_asflags -force_cpusubtype_ALL
49e35f49 2463 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
dff68563 2464 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
355d81df 2465 add_ldflags -Wl,-dynamic,-search_paths_first
7483e694
DB
2466 SLIBSUF=".dylib"
2467 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2468 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4d58e4cb 2469 AVSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2470 objformat="macho"
1b0f6fb8 2471 enabled x86_64 && objformat="macho64"
8dfa86f7 2472 enabled_any pic shared ||
2704bd1a 2473 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2474 ;;
2475 mingw32*)
9d3f4f50 2476 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2477 disable network
2478 else
2479 target_os=mingw32
2480 fi
dcc01c06 2481 LIBTARGET=i386
1fc9fb8a 2482 if enabled x86_64; then
417516f6 2483 LIBTARGET="i386:x86-64"
336cc1b0 2484 elif enabled arm; then
15c5156d 2485 LIBTARGET=arm-wince
dcc01c06 2486 fi
fbd971a4 2487 shlibdir_default="$bindir_default"
7483e694
DB
2488 SLIBPREF=""
2489 SLIBSUF=".dll"
7483e694
DB
2490 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2491 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2f138f0b
MR
2492 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2493 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2494 SLIB_INSTALL_LINKS=
2495 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2496 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4b51fb1c 2497 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 2498 objformat="win32"
ec10a9ab 2499 dlltool="${cross_prefix}dlltool"
bc574408 2500 enable dos_paths
1894e741 2501 check_cflags -fno-common
e26011d0
RP
2502 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2503 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
f7ad5aa2 2504 die "ERROR: MinGW runtime version must be >= 3.15."
5666a9f2 2505 add_cppflags -U__STRICT_ANSI__
7483e694
DB
2506 ;;
2507 cygwin*)
4f854758 2508 target_os=cygwin
fbd971a4 2509 shlibdir_default="$bindir_default"
7483e694
DB
2510 SLIBPREF="cyg"
2511 SLIBSUF=".dll"
2512 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2513 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2514 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2515 objformat="win32"
bc574408 2516 enable dos_paths
1894e741 2517 check_cflags -fno-common
a7a187a1 2518 add_cppflags -U__STRICT_ANSI__
7483e694 2519 ;;
4f365f37 2520 *-dos|freedos|opendos)
4f365f37 2521 network_extralibs="-lsocket"
ff1c015d 2522 objformat="coff"
bc574408 2523 enable dos_paths
a7a187a1 2524 add_cppflags -U__STRICT_ANSI__
4f365f37 2525 ;;
7483e694 2526 linux)
046f081b 2527 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
7483e694
DB
2528 enable dv1394
2529 ;;
2530 irix*)
4f854758 2531 target_os=irix
7483e694
DB
2532 ranlib="echo ignoring ranlib"
2533 ;;
d22e8442 2534 os/2*)
d22e8442 2535 ln_s="cp -f"
9297f1ed 2536 objformat="aout"
e14574eb 2537 add_cppflags -D_GNU_SOURCE
355d81df 2538 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
71c61f62 2539 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4d58e4cb 2540 AVSERVERLDFLAGS=""
287d3b13 2541 LIBSUF="_s.a"
d22e8442
DY
2542 SLIBPREF=""
2543 SLIBSUF=".dll"
2544 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2545 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2546 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2547 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2548 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2549 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2550 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2551 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2552 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2553 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2f138f0b 2554 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
bc574408 2555 enable dos_paths
d22e8442 2556 ;;
83993c1c 2557 gnu/kfreebsd)
c1f54478 2558 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
83993c1c 2559 ;;
34e82167 2560 gnu)
f60d1366 2561 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
34e82167 2562 ;;
d33ed7b3
MR
2563 qnx)
2564 add_cppflags -D_QNX_SOURCE
2565 network_extralibs="-lsocket"
2566 ;;
1c69c79f
MS
2567 symbian)
2568 SLIBSUF=".dll"
2569 enable dos_paths
e3bc07f4
MS
2570 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2571 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2572 add_ldflags -Wl,--target1-abs,--no-undefined \
2573 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2574 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2575 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2576 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2577 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
1c69c79f 2578 ;;
614d8911
MR
2579 none)
2580 ;;
7483e694 2581 *)
4f924f9a 2582 die "Unknown OS '$target_os'."
7483e694
DB
2583 ;;
2584esac
2585
6555acad
MR
2586esc(){
2587 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
2588}
2589
2590echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
db7515fd 2591
13cb2187
AS
2592check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2593
c9d19248
MR
2594set_default $PATHS_LIST
2595
320d060a 2596# we need to build at least one lib type
93b3c083 2597if ! enabled_any static shared; then
320d060a
DB
2598 cat <<EOF
2599At least one library type must be built.
2600Specify --enable-static to build the static libraries or --enable-shared to
2601build the shared libraries as well. To only build the shared libraries specify
2602--disable-static in addition to --enable-shared.
2603EOF
2604 exit 1;
2605fi
2606
2184c6f7 2607die_license_disabled() {
4c27207c 2608 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2609}
2610
e417d80d 2611die_license_disabled gpl libcdio
2184c6f7 2612die_license_disabled gpl libx264
de295976 2613die_license_disabled gpl libxavs
2184c6f7 2614die_license_disabled gpl libxvid
2184c6f7
DB
2615die_license_disabled gpl x11grab
2616
2f7ae63b 2617die_license_disabled nonfree libfaac
a060866f 2618die_license_disabled nonfree openssl
b2e3c528 2619
0b175caa
DB
2620die_license_disabled version3 libopencore_amrnb
2621die_license_disabled version3 libopencore_amrwb
d89e738a 2622die_license_disabled version3 libvo_aacenc
f502ff3f 2623die_license_disabled version3 libvo_amrwbenc
0b175caa 2624
9cad0e4e 2625enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2626
40617a6d 2627disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2628
e276d9e8
MR
2629enable_pic() {
2630 enable pic
bce7b696
MR
2631 add_cppflags -DPIC
2632 add_cflags -fPIC
2633 add_asflags -fPIC
e276d9e8
MR
2634}
2635
2636enabled pic && enable_pic
bce7b696 2637
b4d96ba2
MR
2638check_cc <<EOF || die "Symbol mangling check failed."
2639int ff_extern;
2640EOF
8182dc34 2641sym=$($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
8e85ba8d
DB
2747 check_code ld intrin.h "__rdtsc()" && enable rdtsc
2748
f80ddd5b
RB
2749 check_code ld mmintrin.h "_mm_empty()" && enable mm_empty
2750
e6a0c354
MR
2751 enable local_aligned_8 local_aligned_16
2752
44965991
PI
2753 # check whether EBP is available on x86
2754 # As 'i' is stored on the stack, this program will crash
2755 # if the base pointer is used to access it because the
2756 # base pointer is cleared in the inline assembly code.
7dfef245 2757 check_exec_crash <<EOF && enable ebp_available
44965991 2758 volatile int i=0;
be449fca 2759 __asm__ volatile (
44965991
PI
2760 "xorl %%ebp, %%ebp"
2761 ::: "%ebp");
2762 return i;
44965991
PI
2763EOF
2764
f494213c 2765 # check whether EBX is available on x86
7cee5421
MR
2766 check_asm ebx_available '""::"b"(0)' &&
2767 check_asm ebx_available '"":::"%ebx"'
8e380710 2768
6f74fb03
RP
2769 # check whether xmm clobbers are supported
2770 check_asm xmm_clobbers '"":::"%xmm0"'
2771
d7f0920b 2772 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2773 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2774 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6 2775
9cca1e40 2776 if ! disabled_any asm mmx yasm; then
b6c06894
MR
2777 if check_cmd $yasmexe --version; then
2778 enabled x86_64 && yasm_extra="-m amd64"
2779 yasm_debug="-g dwarf2"
2780 elif check_cmd nasm -v; then
2781 yasmexe=nasm
2782 yasm_debug="-g -F dwarf"
2783 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2784 fi
2785
2786 YASMFLAGS="-f $objformat $yasm_extra"
2787 enabled pic && append YASMFLAGS "-DPIC"
2788 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2789 case "$objformat" in
2790 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2791 esac
2792
48545a8f 2793 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
25432e85 2794 die "yasm not found, use --disable-yasm for a crippled build"
429059f8 2795 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
31a0dcb2 2796 fi
e45391bb 2797
669b5583
MR
2798 case "$cpu" in
2799 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2800 disable fast_clz
2801 ;;
2802 esac
2803
44965991
PI
2804fi
2805
301ab19d
MR
2806if enabled asm; then
2807 as=${gas:=$as}
2808 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2809 $nogas "GNU assembler not found, install gas-preprocessor"
2810fi
2811
4a7e068b
MR
2812check_ldflags -Wl,--as-needed
2813
a98bb16d
RP
2814if check_func dlopen; then
2815 ldl=
2816elif check_func dlopen -ldl; then
2817 ldl=-ldl
8bf5d58f
MN
2818fi
2819
54fe299b
DV
2820if enabled network; then
2821 check_type "sys/types.h sys/socket.h" socklen_t
2822 check_type netdb.h "struct addrinfo"
75d339e0
MS
2823 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
2824 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
54fe299b
DV
2825 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2826 check_type netinet/in.h "struct sockaddr_in6"
cdee08e3 2827 check_type poll.h "struct pollfd"
54fe299b
DV
2828 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2829 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5699884c 2830 check_header netinet/sctp.h
54fe299b
DV
2831 # Prefer arpa/inet.h over winsock2
2832 if check_header arpa/inet.h ; then
2833 check_func closesocket
2834 elif check_header winsock2.h ; then
2835 check_func_headers winsock2.h closesocket -lws2 && \
2836 network_extralibs="-lws2" || \
2837 { check_func_headers winsock2.h closesocket -lws2_32 && \
2838 network_extralibs="-lws2_32"; }
2839 check_type ws2tcpip.h socklen_t
2840 check_type ws2tcpip.h "struct addrinfo"
75d339e0
MS
2841 check_type ws2tcpip.h "struct group_source_req"
2842 check_type ws2tcpip.h "struct ip_mreq_source"
54fe299b 2843 check_type ws2tcpip.h "struct ipv6_mreq"
cdee08e3 2844 check_type winsock2.h "struct pollfd"
54fe299b
DV
2845 check_type ws2tcpip.h "struct sockaddr_in6"
2846 check_type ws2tcpip.h "struct sockaddr_storage"
2847 check_struct winsock2.h "struct sockaddr" sa_len
2848 else
2849 disable network
2850 fi
2851fi
2852
75ecf149
DB
2853# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2854check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2855
534a2231 2856check_func fcntl
7483e694 2857check_func fork
84882df6 2858check_func getaddrinfo $network_extralibs
7483e694
DB
2859check_func gethrtime
2860check_func getrusage
fc5607f8 2861check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
61183b5a 2862check_func gettimeofday
094c09bb 2863check_func inet_aton $network_extralibs
abfc8d05 2864check_func isatty
a5b64584 2865check_func localtime_r
4ae40685 2866check_func ${malloc_prefix}memalign && enable memalign
7483e694 2867check_func mkstemp
0328b9ea 2868check_func mmap
4ae40685 2869check_func ${malloc_prefix}posix_memalign && enable posix_memalign
be1a839c 2870check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
0104b608 2871check_func setrlimit
87958234 2872check_func strerror_r
6379900c 2873check_func strptime
47941088 2874check_func strtok_r
ea4d5f48 2875check_func sched_getaffinity
bcc73960 2876check_func sysconf
b9e22269 2877check_func sysctl
d3d3a32c 2878check_func usleep
b507ebd1 2879check_func_headers io.h setmode
fc5607f8 2880check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
02e8f427 2881check_func_headers windows.h GetProcessAffinityMask
2446d3d6 2882check_func_headers windows.h GetProcessTimes
61183b5a 2883check_func_headers windows.h GetSystemTimeAsFileTime
73f6d31e 2884check_func_headers windows.h MapViewOfFile
d3d3a32c 2885check_func_headers windows.h Sleep
7c5bfe7a 2886check_func_headers windows.h VirtualAlloc
6ffa87d3 2887
a98bb16d 2888check_header dlfcn.h
fa845061 2889check_header dxva.h
92c6a099 2890check_header dxva2api.h
3b1ab197 2891check_header io.h
a98bb16d 2892check_header malloc.h
bf6ce82d 2893check_header poll.h
b58412f1 2894check_header sys/mman.h
06bb5905 2895check_header sys/param.h
b091aa44 2896check_header sys/resource.h
bf6ce82d 2897check_header sys/select.h
e64bceea 2898check_header sys/time.h
542920b7 2899check_header unistd.h
272081b0
CEH
2900check_header vdpau/vdpau.h
2901check_header vdpau/vdpau_x11.h
d3d3a32c 2902check_header windows.h
68178ca9 2903check_header X11/extensions/XvMClib.h
a98bb16d 2904
a4fa192c 2905disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2906disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4 2907
ff3755cb
JG
2908if ! disabled w32threads && ! enabled pthreads; then
2909 check_func _beginthreadex && enable w32threads
2910fi
2911
57bd82d4
MR
2912# check for some common methods of building with pthread support
2913# do this before the optional library checks as some of them require pthreads
0dbfc1db
MR
2914if ! disabled pthreads && ! enabled w32threads; then
2915 enable pthreads
9e7fd101
MR
2916 if check_func pthread_create; then
2917 :
2918 elif check_func pthread_create -pthread; then
2919 add_cflags -pthread
afc9aee2 2920 add_extralibs -pthread
9e7fd101
MR
2921 elif check_func pthread_create -pthreads; then
2922 add_cflags -pthreads
afc9aee2 2923 add_extralibs -pthreads
8d94f606
GT
2924 elif check_func pthread_create -lpthreadGC2; then
2925 add_extralibs -lpthreadGC2
9e7fd101 2926 elif ! check_lib pthread.h pthread_create -lpthread; then
0dbfc1db 2927 disable pthreads
9e7fd101 2928 fi
57bd82d4
MR
2929fi
2930
8eee7025 2931for thread in $THREADS_LIST; do
e5f94c2b 2932 if enabled $thread; then
3ae3b721
RP
2933 test -n "$thread_type" &&
2934 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2935 thread_type="$thread"
e5f94c2b
RP
2936 fi
2937done
2938
50f7c296 2939check_lib math.h sin -lm && LIBM="-lm"
f3e3f28e 2940enabled vaapi && require vaapi va/va.h vaInitialize -lva
fdf88598 2941
15333562 2942check_mathfunc cbrtf
645d2652
MR
2943check_mathfunc exp2
2944check_mathfunc exp2f
46df708b
MS
2945check_mathfunc isinf
2946check_mathfunc isnan
645d2652 2947check_mathfunc llrint
07876e25 2948check_mathfunc llrintf
645d2652
MR
2949check_mathfunc log2
2950check_mathfunc log2f
2951check_mathfunc lrint
2952check_mathfunc lrintf
2953check_mathfunc round
2954check_mathfunc roundf
23d3931a 2955check_mathfunc trunc
645d2652 2956check_mathfunc truncf
f32adb22 2957
57bd82d4 2958# these are off by default, so fail if requested and not available
a1b3c5a3 2959enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
47941088 2960enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
bc8c1395 2961enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
79fda097 2962enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
a5b64584 2963enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
5af41508 2964enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
3641b048 2965enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
9b9d3868 2966enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
eb7626a3
MR
2967enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2968enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4fa18c56 2969enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
3d6fac8c 2970enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
0de9c41f 2971enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4fa18c56
MR
2972enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2973enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
ae14f311 2974enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 2975enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
d89e738a 2976enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
f502ff3f 2977enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
7483e694 2978enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
7d07d6f5
DB
2979enabled libvpx && {
2980 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2981 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2982 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2983 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
eb7626a3 2984enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
46c3c53b
AK
2985 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
2986 die "ERROR: libx264 version must be >= 0.118."; }
de295976 2987enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2bfecf73 2988enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
a060866f
MS
2989enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
2990 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
2991 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
2992 die "ERROR: openssl not found"; }
8ac17293 2993
0b4a1821
AS
2994# libdc1394 check
2995if enabled libdc1394; then
2996 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2997 enable libdc1394_2; } ||
2998 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2999 enable libdc1394_1; } ||
3000 die "ERROR: No version of libdc1394 found "
3001fi
3002
9bd41bb1 3003if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
aa692d54
MR
3004 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3005 enable sdl &&
3006 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 3007fi
57bd82d4 3008
2270b4b2 3009texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 3010
c6f95144 3011check_header linux/fb.h
06e31011 3012check_header linux/videodev2.h
a6a4793d
LB
3013check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3014
1b6e8b73 3015check_header sys/videoio.h
47f38850 3016
27796dc3 3017check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
ec1ee802
RP
3018# check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3019# w32api 3.12 had it defined wrong
3020check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
c2345207 3021
f8aa696f 3022# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
3023{ check_header dev/bktr/ioctl_meteor.h &&
3024 check_header dev/bktr/ioctl_bt848.h; } ||
3025{ check_header machine/ioctl_meteor.h &&
3026 check_header machine/ioctl_bt848.h; } ||
3027{ check_header dev/video/meteor/ioctl_meteor.h &&
3028 check_header dev/video/bktr/ioctl_bt848.h; } ||
3029check_header dev/ic/bt8xx.h
f8aa696f 3030
15d59d2c 3031check_header sndio.h
c7682de0
RP
3032check_header sys/soundcard.h
3033check_header soundcard.h
deb29777 3034
b6f3d925 3035enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 3036
8772997d
SM
3037enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&
3038 check_func jack_port_get_latency_range -ljack
80ff8a16 3039
15d59d2c
B
3040enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3041
e417d80d
AK
3042enabled libcdio &&
3043 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3044
4a584eda
JA
3045enabled x11grab &&
3046require X11 X11/Xlib.h XOpenDisplay -lX11 &&
3047require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3048require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
f58f4ce1 3049
ac3dbb4d
SZ
3050# check for VDA header
3051if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
be1e8725 3052 enable vda && add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
ac3dbb4d
SZ
3053fi
3054
598ef02b 3055if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
3056check_cpp_condition \
3057 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
3058 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3059 disable vdpau; }
abf649c7 3060fi
deda2a4a 3061
95e561ec 3062enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
3063
3064# add some useful compiler flags if supported
3065check_cflags -Wdeclaration-after-statement
dcd479c0 3066check_cflags -Wall
440e3b2f 3067check_cflags -Wno-parentheses
dcd479c0 3068check_cflags -Wno-switch
b36518dc 3069check_cflags -Wno-format-zero-length
c07bd6a9
MN
3070check_cflags -Wdisabled-optimization
3071check_cflags -Wpointer-arith
3072check_cflags -Wredundant-decls
cc1fb623 3073check_cflags -Wno-pointer-sign
f4929996 3074check_cflags -Wcast-qual
9aceb3cf 3075check_cflags -Wwrite-strings
652a5bf6 3076check_cflags -Wtype-limits
764551c6 3077check_cflags -Wundef
fc298fd9 3078check_cflags -Wmissing-prototypes
c2ed91de 3079check_cflags -Wstrict-prototypes
5af4e0cc 3080enabled extra_warnings && check_cflags -Winline
cf9d24ad 3081
57bd82d4 3082# add some linker flags
5c0e9479 3083check_ldflags -Wl,--warn-common
3510a133 3084check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
fef2d661 3085test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
94a3401e 3086
7e4d9d5d
RB
3087enabled xmm_clobber_test && \
3088 check_ldflags -Wl,--wrap,avcodec_open2 \
3089 -Wl,--wrap,avcodec_decode_audio4 \
3090 -Wl,--wrap,avcodec_decode_video2 \
3091 -Wl,--wrap,avcodec_decode_subtitle2 \
3092 -Wl,--wrap,avcodec_encode_audio2 \
3093 -Wl,--wrap,avcodec_encode_video \
3094 -Wl,--wrap,avcodec_encode_subtitle \
3095 -Wl,--wrap,sws_scale || \
3096 disable xmm_clobber_test
3097
a482e61b 3098echo "X{};" > $TMPV
b462d132 3099if test_ldflags -Wl,--version-script,$TMPV; then
a482e61b 3100 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
b462d132
MR
3101 check_cc <<EOF && enable symver_asm_label
3102void ff_foo(void) __asm__ ("av_foo@VERSION");
0884fadf 3103void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
b462d132
MR
3104EOF
3105 check_cc <<EOF && enable symver_gnu_asm
3106__asm__(".symver ff_foo,av_foo@VERSION");
3107void ff_foo(void) {}
3108EOF
3109fi
a482e61b 3110
9cd7b854
MR
3111if [ -n "$optflags" ]; then
3112 add_cflags $optflags
3113elif enabled small; then
14ca9cd0 3114 add_cflags $size_cflags
8400d6b8 3115elif enabled optimizations; then
14ca9cd0 3116 add_cflags $speed_cflags
b05394a0
MR
3117else
3118 add_cflags $noopt_cflags
cddf3f45 3119fi
11fdbc44 3120check_cflags -fno-math-errno
b2eb2ff0 3121check_cflags -fno-signed-zeros
cddf3f45 3122
629687f6 3123if enabled icc; then
b1598b58
MR
3124 # Just warnings, no remarks
3125 check_cflags -w1
3126 # -wd: Disable following warnings
3127 # 144, 167, 556: -Wno-pointer-sign
91bcad19 3128 # 1292: attribute "foo" ignored
88de5b0a 3129 # 1419: external declaration in primary source file
b1598b58 3130 # 10006: ignoring unknown option -fno-signed-zeros
f1c7c6ae 3131 # 10148: ignoring unknown option -Wno-parentheses
b1598b58 3132 # 10156: ignoring option '-W'; no argument required
88de5b0a 3133 check_cflags -wd144,167,556,1292,1419,10006,10148,10156
b1598b58
MR
3134 # 11030: Warning unknown option --as-needed
3135 # 10156: ignoring option '-export'; no argument required
3136 check_ldflags -wd10156,11030
3137 # Allow to compile with optimizations
3138 check_ldflags -march=$cpu
be2cf98a
CEH
3139 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3140 enable ebp_available
bdefad73
MR
3141 if enabled x86_32; then
3142 test ${icc_version%%.*} -ge 11 && \
3143 check_cflags -falign-stack=maintain-16-byte || \
3144 disable aligned_stack
3145 fi
df442a8d
MR
3146elif enabled ccc; then
3147 # disable some annoying warnings
3148 add_cflags -msg_disable cvtu32to64
3149 add_cflags -msg_disable embedcomment
3150 add_cflags -msg_disable needconstext
3151 add_cflags -msg_disable nomainieee
3152 add_cflags -msg_disable ptrmismatch1
3153 add_cflags -msg_disable unreachcode
973859f5
MR
3154elif enabled gcc; then
3155 check_cflags -fno-tree-vectorize
765e6134 3156 check_cflags -Werror=implicit-function-declaration
de63bfec 3157 check_cflags -Werror=missing-prototypes
9d6b2077 3158 check_cflags -Werror=declaration-after-statement
613a4e3f
MR
3159elif enabled llvm_gcc; then
3160 check_cflags -mllvm -stack-alignment=16
06da6943 3161elif enabled clang; then
5c8ef670 3162 check_cflags -mllvm -stack-alignment=16
06da6943 3163 check_cflags -Qunused-arguments
138132be
MR
3164elif enabled armcc; then
3165 # 2523: use of inline assembler is deprecated
bcafde61
MR
3166 add_cflags -W${armcc_opt},--diag_suppress=2523
3167 add_cflags -W${armcc_opt},--diag_suppress=1207
5a92140b 3168 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
b0c1b66a 3169 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
d0ce090e
MR
3170 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3171 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
587d24ff
MR
3172elif enabled tms470; then
3173 add_cflags -pds=824 -pds=837
5f3b8314
MR
3174elif enabled pathscale; then
3175 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
504a64b9
CEH
3176fi
3177
7483e694
DB
3178enabled_any $THREADS_LIST && enable threads
3179
3180check_deps $CONFIG_LIST \
b6bb00b0 3181 $CONFIG_EXTRA \
7483e694 3182 $HAVE_LIST \
54e75be4
DB
3183 $ALL_COMPONENTS \
3184 $ALL_TESTS \
f70f03f6 3185
3bfd582c 3186enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
c8a4ae00 3187
be1a839c 3188! enabled_any memalign posix_memalign aligned_malloc &&
9bbd6a4c
MR
3189 enabled_any $need_memalign && enable memalign_hack
3190
3e89171a 3191echo "install prefix $prefix"
f36958f8
DB
3192echo "source path $source_path"
3193echo "C compiler $cc"
f36958f8 3194echo "ARCH $arch ($cpu)"
ce8871c2
MR
3195if test "$build_suffix" != ""; then
3196 echo "build suffix $build_suffix"
eb94aca9 3197fi
ac63af34
DB
3198if test "$extra_version" != ""; then
3199 echo "version string suffix $extra_version"
3200fi
0db2ce77 3201echo "big-endian ${bigendian-no}"
e90f5b5a 3202echo "runtime cpu detection ${runtime_cpudetect-no}"
5b6c2cbd 3203if enabled x86; then
6348a96c 3204 echo "${yasmexe} ${yasm-no}"
0db2ce77 3205 echo "MMX enabled ${mmx-no}"
30e98e62 3206 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 3207 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08