zmbv: Reset the decoder on keyframe errors
[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
a77f01c7
MR
57test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
58
74c53c2d 59show_help(){
f69f51b3 60 cat <<EOF
06454877
MR
61Usage: configure [options]
62Options: [defaults in brackets after descriptions]
63
3b327a4b 64Help options:
06454877 65 --help print this message
3b327a4b
DB
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
77
78Standard options:
19bd477d 79 --logfile=FILE log tests and output to FILE [config.log]
06454877
MR
80 --disable-logging do not log configure debug information
81 --prefix=PREFIX install in PREFIX [$prefix]
82 --bindir=DIR install binaries in DIR [PREFIX/bin]
6291d7e4 83 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
06454877
MR
84 --libdir=DIR install libs in DIR [PREFIX/lib]
85 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
86 --incdir=DIR install includes in DIR [PREFIX/include]
87 --mandir=DIR install man page in DIR [PREFIX/share/man]
88
3b327a4b 89Licensing options:
06454877
MR
90 --enable-gpl allow use of GPL code, the resulting libs
91 and binaries will be under GPL [no]
92 --enable-version3 upgrade (L)GPL to version 3 [no]
93 --enable-nonfree allow use of nonfree code, the resulting libs
94 and binaries will be unredistributable [no]
3b327a4b
DB
95
96Configuration options:
97 --disable-static do not build static libraries [no]
98 --enable-shared build shared libraries [no]
99 --enable-small optimize for size instead of speed
100 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
101 --enable-gray enable full grayscale support (slower color)
102 --disable-swscale-alpha disable alpha channel support in swscale
844c6852 103 --disable-all disable building components, libraries and programs
3b327a4b 104
e28b7553
DB
105Program options:
106 --disable-programs do not build command line programs
6291d7e4 107 --disable-avconv disable avconv build
266463da 108 --disable-avplay disable avplay build
9e12f0bf 109 --disable-avprobe disable avprobe build
4d58e4cb 110 --disable-avserver disable avserver build
e28b7553
DB
111
112Component options:
113 --disable-doc do not build documentation
5a0f7131
MR
114 --disable-avdevice disable libavdevice build
115 --disable-avcodec disable libavcodec build
116 --disable-avformat disable libavformat build
d89f2fa9 117 --disable-avutil disable libavutil build
5a0f7131 118 --disable-swscale disable libswscale build
cccc039f 119 --disable-avfilter disable video filter support [no]
c8af852b 120 --disable-avresample disable libavresample build [no]
0dbfc1db 121 --disable-pthreads disable pthreads [auto]
7b7b220c 122 --disable-w32threads disable Win32 threads [auto]
06454877
MR
123 --enable-x11grab enable X11 grabbing [no]
124 --disable-network disable network support [no]
7f3f5f46 125 --disable-dct disable DCT code
193cdd9a 126 --disable-lsp disable LSP code
2a91ada8 127 --disable-lzo disable LZO decoder code
06454877
MR
128 --disable-mdct disable MDCT code
129 --disable-rdft disable RDFT code
3b327a4b
DB
130 --disable-fft disable FFT code
131 --enable-dxva2 enable DXVA2 code
dcb73592 132 --enable-vaapi enable VAAPI code
ac3dbb4d 133 --enable-vda enable VDA code
e8f6bd4b 134 --enable-vdpau enable VDPAU code
3b327a4b
DB
135
136Individual component options:
bb55e3a3 137 --disable-everything disable all components listed below
06454877
MR
138 --disable-encoder=NAME disable encoder NAME
139 --enable-encoder=NAME enable encoder NAME
140 --disable-encoders disable all encoders
141 --disable-decoder=NAME disable decoder NAME
142 --enable-decoder=NAME enable decoder NAME
143 --disable-decoders disable all decoders
144 --disable-hwaccel=NAME disable hwaccel NAME
145 --enable-hwaccel=NAME enable hwaccel NAME
146 --disable-hwaccels disable all hwaccels
147 --disable-muxer=NAME disable muxer NAME
148 --enable-muxer=NAME enable muxer NAME
149 --disable-muxers disable all muxers
150 --disable-demuxer=NAME disable demuxer NAME
151 --enable-demuxer=NAME enable demuxer NAME
152 --disable-demuxers disable all demuxers
153 --enable-parser=NAME enable parser NAME
154 --disable-parser=NAME disable parser NAME
155 --disable-parsers disable all parsers
156 --enable-bsf=NAME enable bitstream filter NAME
157 --disable-bsf=NAME disable bitstream filter NAME
158 --disable-bsfs disable all bitstream filters
159 --enable-protocol=NAME enable protocol NAME
160 --disable-protocol=NAME disable protocol NAME
161 --disable-protocols disable all protocols
3b327a4b 162 --enable-indev=NAME enable input device NAME
06454877 163 --disable-indev=NAME disable input device NAME
06454877 164 --disable-indevs disable input devices
3b327a4b
DB
165 --enable-outdev=NAME enable output device NAME
166 --disable-outdev=NAME disable output device NAME
06454877
MR
167 --disable-outdevs disable output devices
168 --disable-devices disable all devices
169 --enable-filter=NAME enable filter NAME
170 --disable-filter=NAME disable filter NAME
171 --disable-filters disable all filters
06454877
MR
172
173External library support:
174 --enable-avisynth enable reading of AVISynth script files [no]
175 --enable-bzlib enable bzlib [autodetect]
47941088 176 --enable-frei0r enable frei0r video filtering
bc8c1395 177 --enable-gnutls enable gnutls [no]
e417d80d 178 --enable-libcdio enable audio CD grabbing with libcdio
06454877
MR
179 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
180 and libraw1394 [no]
c547e5ff
DB
181 --enable-libfaac enable AAC encoding via libfaac [no]
182 --enable-libfdk-aac enable AAC encoding via libfdk-aac [no]
a5b64584 183 --enable-libfreetype enable libfreetype [no]
c547e5ff 184 --enable-libgsm enable GSM de/encoding via libgsm [no]
3641b048 185 --enable-libilbc enable iLBC de/encoding via libilbc [no]
06454877 186 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
becc3c62
MS
187 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
188 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
189 --enable-libopencv enable video filtering via libopencv [no]
453c02f9 190 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
44617d6e 191 --enable-libopus enable Opus decoding via libopus [no]
7c922411 192 --enable-libpulse enable Pulseaudio input via libpulse [no]
0f943ce6 193 --enable-librtmp enable RTMP[E] support via librtmp [no]
c547e5ff
DB
194 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
195 --enable-libspeex enable Speex de/encoding via libspeex [no]
06454877 196 --enable-libtheora enable Theora encoding via libtheora [no]
d89e738a 197 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
f502ff3f 198 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
c547e5ff
DB
199 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
200 --enable-libvpx enable VP8 de/encoding via libvpx [no]
06454877 201 --enable-libx264 enable H.264 encoding via x264 [no]
de295976 202 --enable-libxavs enable AVS encoding via xavs [no]
06454877
MR
203 --enable-libxvid enable Xvid encoding via xvidcore,
204 native MPEG-4/Xvid encoder exists [no]
a060866f 205 --enable-openssl enable openssl [no]
06454877
MR
206 --enable-zlib enable zlib [autodetect]
207
208Advanced options (experts only):
06454877
MR
209 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
210 --enable-cross-compile assume a cross-compiler is used
211 --sysroot=PATH root of cross-build tree
212 --sysinclude=PATH location of cross-build system headers
213 --target-os=OS compiler targets OS [$target_os]
214 --target-exec=CMD command to run executables on target
215 --target-path=DIR path to view of build directory on target
aeeb782c 216 --toolchain=NAME set tool defaults according to NAME
06454877 217 --nm=NM use nm tool
121d78d0 218 --ar=AR use archive tool AR [$ar_default]
06454877
MR
219 --as=AS use assembler AS [$as_default]
220 --cc=CC use C compiler CC [$cc_default]
193cdd9a 221 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
06454877
MR
222 --ld=LD use linker LD
223 --host-cc=HOSTCC use host C compiler HOSTCC
224 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
095792f2 225 --host-ld=HOSTLD use host linker HOSTLD
06454877
MR
226 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
227 --host-libs=HLIBS use libs HLIBS when linking for host
193cdd9a 228 --host-os=OS compiler host OS [$target_os]
06454877
MR
229 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
230 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
231 --extra-libs=ELIBS add ELIBS [$ELIBS]
232 --extra-version=STRING version string suffix []
193cdd9a 233 --optflags=OPTFLAGS override optimization-related compiler flags
06454877 234 --build-suffix=SUFFIX library name suffix []
3b327a4b 235 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
06454877
MR
236 --arch=ARCH select architecture [$arch]
237 --cpu=CPU select the minimum required CPU (affects
238 instruction selection, may crash on older CPUs)
3b327a4b
DB
239 --enable-pic build position-independent code
240 --enable-sram allow use of on-chip SRAM
193cdd9a 241 --enable-thumb compile for Thumb instruction set
3b327a4b 242 --disable-symver disable symbol versioning
3b327a4b
DB
243 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
244 --disable-safe-bitstream-reader
245 disable buffer boundary checking in bitreaders
246 (faster, but may crash)
247 --enable-memalign-hack emulate memalign, interferes with memory debuggers
65d12900 248 --enable-lto use link-time optimization
3b327a4b
DB
249
250Optimization options (experts only):
c8a4ae00 251 --disable-asm disable all assembler optimizations
06454877
MR
252 --disable-altivec disable AltiVec optimizations
253 --disable-amd3dnow disable 3DNow! optimizations
254 --disable-amd3dnowext disable 3DNow! extended optimizations
255 --disable-mmx disable MMX optimizations
239fdf1b 256 --disable-mmxext disable MMXEXT optimizations
06454877 257 --disable-sse disable SSE optimizations
50cd43f2
DB
258 --disable-sse2 disable SSE2 optimizations
259 --disable-sse3 disable SSE3 optimizations
06454877 260 --disable-ssse3 disable SSSE3 optimizations
50cd43f2
DB
261 --disable-sse4 disable SSE4 optimizations
262 --disable-sse42 disable SSE4.2 optimizations
87f1355f 263 --disable-avx disable AVX optimizations
79687079 264 --disable-fma4 disable FMA4 optimizations
06454877
MR
265 --disable-armv5te disable armv5te optimizations
266 --disable-armv6 disable armv6 optimizations
267 --disable-armv6t2 disable armv6t2 optimizations
b3267559 268 --disable-vfp disable VFP optimizations
5ea20630 269 --disable-neon disable NEON optimizations
06454877 270 --disable-vis disable VIS optimizations
afb5ed55 271 --disable-inline-asm disable use of inline assembler
06454877 272 --disable-yasm disable use of yasm assembler
06454877 273
070c5d0f 274Developer options (useful when working on Libav itself):
06454877
MR
275 --disable-debug disable debugging symbols
276 --enable-debug=LEVEL set the debug level [$debuglevel]
06454877
MR
277 --disable-optimizations disable compiler optimizations
278 --enable-extra-warnings enable more compiler warnings
52b3cc60 279 --samples=PATH location of test samples for FATE, if not set use
9309bdfe 280 \$LIBAV_SAMPLES at make invocation time.
7e4d9d5d
RB
281 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
282 should be used only for debugging purposes)
154caa67
MR
283 --enable-random randomly enable/disable components
284 --disable-random
285 --enable-random=LIST randomly enable/disable specific components or
286 --disable-random=LIST component groups. LIST is a comma-separated list
287 of NAME[:PROB] entries where NAME is a component
288 (group) and PROB the probability associated with
289 NAME (default 0.5).
290 --random-seed=VALUE seed value for --enable/disable-random
06454877
MR
291
292NOTE: Object files are built at the place where configure is launched.
293EOF
60e8bc13 294 exit 0
74c53c2d 295}
cf9d24ad 296
0884fadf
MR
297quotes='""'
298
57bd82d4 299log(){
2270b4b2 300 echo "$@" >> $logfile
57bd82d4
MR
301}
302
720c69da 303log_file(){
c8e9f801 304 log BEGIN $1
2270b4b2 305 pr -n -t $1 >> $logfile
c8e9f801
MR
306 log END $1
307}
308
2ba042a7 309echolog(){
c8e9f801 310 log "$@"
57bd82d4 311 echo "$@"
2ba042a7
MR
312}
313
7bfc8ae6
MR
314warn(){
315 log "WARNING: $*"
316 WARNINGS="${WARNINGS}WARNING: $*\n"
317}
318
2ba042a7
MR
319die(){
320 echolog "$@"
321 cat <<EOF
d326cf7f 322
2ba042a7 323If you think configure made a mistake, make sure you are using the latest
4a6a21f5 324version from Git. If the latest version fails, report the problem to the
070c5d0f 325libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
2ba042a7 326EOF
e155a21a 327 if disabled logging; then
2ba042a7 328 cat <<EOF
e155a21a
DB
329Rerun configure with logging enabled (do not use --disable-logging), and
330include the log this produces with your report.
2ba042a7
MR
331EOF
332 else
f69f51b3 333 cat <<EOF
e155a21a
DB
334Include the log file "$logfile" produced by configure as this will help
335solving the problem.
2ba042a7
MR
336EOF
337 fi
57bd82d4
MR
338 exit 1
339}
340
6c6007d6 341# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 342toupper(){
6c6007d6 343 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
44161118
MR
344}
345
4a5444db 346tolower(){
6c6007d6 347 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
4a5444db
MR
348}
349
14a8acf1
MR
350c_escape(){
351 echo "$*" | sed 's/["\\]/\\\0/g'
352}
353
b04251c5
MR
354sh_quote(){
355 v=$(echo "$1" | sed "s/'/'\\\\''/g")
d72c981c 356 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
b04251c5
MR
357 echo "$v"
358}
359
bb7a22b5
MR
360cleanws(){
361 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
362}
363
be8f2501
MR
364filter(){
365 pat=$1
366 shift
367 for v; do
98ef6079 368 eval "case $v in $pat) echo $v ;; esac"
be8f2501
MR
369 done
370}
371
9d201b26
MR
372filter_out(){
373 pat=$1
374 shift
375 for v; do
376 eval "case $v in $pat) ;; *) echo $v ;; esac"
377 done
378}
379
36e2dea0
MR
380map(){
381 m=$1
382 shift
e0e335a0 383 for v; do eval $m; done
36e2dea0
MR
384}
385
43b73d59
DB
386add_suffix(){
387 suffix=$1
388 shift
389 for v; do echo ${v}${suffix}; done
390}
391
a8d04fba
MR
392set_all(){
393 value=$1
394 shift
395 for var in $*; do
396 eval $var=$value
397 done
398}
399
72a43668
MR
400set_weak(){
401 value=$1
402 shift
403 for var; do
404 eval : \${$var:=$value}
405 done
406}
407
3f8040db
MR
408set_safe(){
409 var=$1
410 shift
411 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
412}
413
414get_safe(){
415 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
416}
417
799c9e9b
MR
418pushvar(){
419 for var in $*; do
420 eval level=\${${var}_level:=0}
421 eval ${var}_${level}="\$$var"
422 eval ${var}_level=$(($level+1))
423 done
424}
425
426popvar(){
427 for var in $*; do
428 eval level=\${${var}_level:-0}
429 test $level = 0 && continue
430 eval level=$(($level-1))
431 eval $var="\${${var}_${level}}"
432 eval ${var}_level=$level
433 eval unset ${var}_${level}
434 done
435}
436
a8d04fba
MR
437enable(){
438 set_all yes $*
439}
440
441disable(){
442 set_all no $*
443}
444
72a43668
MR
445enable_weak(){
446 set_weak yes $*
447}
448
449disable_weak(){
450 set_weak no $*
451}
452
72702705 453enable_safe(){
fd07f803
MR
454 for var; do
455 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
456 done
72702705
MR
457}
458
459disable_safe(){
fd07f803
MR
460 for var; do
461 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
462 done
72702705
MR
463}
464
f9d328da
MR
465do_enable_deep(){
466 for var; do
467 enabled $var && continue
468 eval sel="\$${var}_select"
c510c7b5
MR
469 eval sgs="\$${var}_suggest"
470 pushvar var sgs
f9d328da 471 enable_deep $sel
c510c7b5
MR
472 popvar sgs
473 enable_deep_weak $sgs
f9d328da
MR
474 popvar var
475 done
476}
477
478enable_deep(){
479 do_enable_deep $*
480 enable $*
481}
482
72a43668
MR
483enable_deep_weak(){
484 do_enable_deep $*
485 enable_weak $*
486}
487
57bd82d4 488enabled(){
3250003c
MR
489 test "${1#!}" = "$1" && op== || op=!=
490 eval test "x\$${1#!}" $op "xyes"
44161118
MR
491}
492
37970ebf 493disabled(){
3250003c
MR
494 test "${1#!}" = "$1" && op== || op=!=
495 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
496}
497
44161118
MR
498enabled_all(){
499 for opt; do
500 enabled $opt || return 1
501 done
502}
503
85bca2c5
DB
504disabled_all(){
505 for opt; do
506 disabled $opt || return 1
507 done
508}
509
44161118
MR
510enabled_any(){
511 for opt; do
512 enabled $opt && return 0
513 done
514}
515
85bca2c5
DB
516disabled_any(){
517 for opt; do
518 disabled $opt && return 0
519 done
f7b230a7 520 return 1
85bca2c5
DB
521}
522
c9d19248
MR
523set_default(){
524 for opt; do
88268e94 525 eval : \${$opt:=\$${opt}_default}
c9d19248
MR
526 done
527}
528
4a0d6686
AJ
529is_in(){
530 value=$1
531 shift
532 for var in $*; do
533 [ $var = $value ] && return 0
534 done
535 return 1
536}
537
d4f8cecc 538do_check_deps(){
30fd06be 539 for cfg; do
3250003c 540 cfg="${cfg#!}"
799c9e9b
MR
541 enabled ${cfg}_checking && die "Circular dependency for $cfg."
542 disabled ${cfg}_checking && continue
543 enable ${cfg}_checking
d4f8cecc 544 append allopts $cfg
799c9e9b 545
30fd06be
MR
546 eval dep_all="\$${cfg}_deps"
547 eval dep_any="\$${cfg}_deps_any"
7ef3425f 548 eval dep_sel="\$${cfg}_select"
c510c7b5 549 eval dep_sgs="\$${cfg}_suggest"
3d7453e0
MR
550 eval dep_ifa="\$${cfg}_if"
551 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 552
3d7453e0 553 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
d4f8cecc 554 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
3d7453e0 555 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 556
3d7453e0
MR
557 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
558 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
6a702d4c
MR
559 enabled_all $dep_all || disable $cfg
560 enabled_any $dep_any || disable $cfg
7ef3425f 561 disabled_any $dep_sel && disable $cfg
799c9e9b 562
4ec45764 563 if enabled $cfg; then
f9d328da 564 enable_deep $dep_sel
c510c7b5 565 enable_deep_weak $dep_sgs
4ec45764
RP
566 fi
567
799c9e9b 568 disable ${cfg}_checking
30fd06be
MR
569 done
570}
571
d4f8cecc
MR
572check_deps(){
573 unset allopts
574
575 do_check_deps "$@"
576
577 for cfg in $allopts; do
578 enabled $cfg || continue
579 eval dep_extralibs="\$${cfg}_extralibs"
580 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
581 done
582}
583
44161118
MR
584print_config(){
585 pfx=$1
72cfcf41
MR
586 files=$2
587 shift 2
f454e879
MR
588 map 'eval echo "$v \${$v:-no}"' "$@" |
589 awk "BEGIN { split(\"$files\", files) }
590 {
591 c = \"$pfx\" toupper(\$1);
592 v = \$2;
593 sub(/yes/, 1, v);
594 sub(/no/, 0, v);
595 for (f in files) {
596 file = files[f];
597 if (file ~ /\\.h\$/) {
598 printf(\"#define %s %d\\n\", c, v) >>file;
599 } else if (file ~ /\\.asm\$/) {
600 printf(\"%%define %s %d\\n\", c, v) >>file;
601 } else if (file ~ /\\.mak\$/) {
d16c4aeb 602 n = -v ? \"\" : \"!\";
f454e879
MR
603 printf(\"%s%s=yes\\n\", n, c) >>file;
604 }
605 }
606 }"
57bd82d4
MR
607}
608
31c0121d 609print_enabled(){
31c0121d
MR
610 suf=$1
611 shift
612 for v; do
9eda2a85 613 enabled $v && printf "%s\n" ${v%$suf};
31c0121d
MR
614 done
615}
616
57bd82d4
MR
617append(){
618 var=$1
619 shift
57bd82d4
MR
620 eval "$var=\"\$$var $*\""
621}
622
60361817
MR
623prepend(){
624 var=$1
625 shift
626 eval "$var=\"$* \$$var\""
627}
628
50a334e4 629add_cppflags(){
cd52ec95 630 append CPPFLAGS "$@"
50a334e4
MR
631}
632
57bd82d4 633add_cflags(){
01d31e16 634 append CFLAGS $($cflags_filter "$@")
57bd82d4
MR
635}
636
2f2e6c7c 637add_asflags(){
01d31e16 638 append ASFLAGS $($asflags_filter "$@")
2f2e6c7c
MR
639}
640
57bd82d4 641add_ldflags(){
64933b6c 642 append LDFLAGS $($ldflags_filter "$@")
57bd82d4
MR
643}
644
645add_extralibs(){
64933b6c 646 prepend extralibs $($ldflags_filter "$@")
57bd82d4
MR
647}
648
6c3fa06a
MR
649add_host_cflags(){
650 append host_cflags $($host_cflags_filter "$@")
651}
652
653add_host_ldflags(){
654 append host_ldflags $($host_ldflags_filter "$@")
655}
656
84e65c76
MR
657add_compat(){
658 append compat_objs $1
659 shift
660 map 'add_cppflags -D$v' "$@"
661}
662
b0cfb663 663check_cmd(){
b3cb5d51 664 log "$@"
2270b4b2 665 "$@" >> $logfile 2>&1
b0cfb663
MR
666}
667
b2704a65
MR
668cc_o(){
669 eval printf '%s\\n' $CC_O
670}
671
18031c49
MR
672cc_e(){
673 eval printf '%s\\n' $CC_E
674}
675
dcd479c0 676check_cc(){
57bd82d4 677 log check_cc "$@"
2270b4b2 678 cat > $TMPC
720c69da 679 log_file $TMPC
23565c26 680 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
57bd82d4
MR
681}
682
683check_cpp(){
684 log check_cpp "$@"
2270b4b2 685 cat > $TMPC
720c69da 686 log_file $TMPC
18031c49 687 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
dcd479c0
MR
688}
689
df0d6341
MR
690as_o(){
691 eval printf '%s\\n' $AS_O
692}
693
f65883c8
MR
694check_as(){
695 log check_as "$@"
7fd90119
MR
696 cat > $TMPS
697 log_file $TMPS
698 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
f65883c8
MR
699}
700
575db883
DB
701check_inline_asm(){
702 log check_inline_asm "$@"
940f335a 703 name="$1"
3784e82e 704 code="$2"
940f335a 705 shift 2
49214f61 706 disable $name
7fd90119 707 check_cc "$@" <<EOF && enable $name
3784e82e 708void foo(void){ __asm__ volatile($code); }
940f335a
MR
709EOF
710}
711
c6ebc9fa
MR
712check_insn(){
713 log check_insn "$@"
714 check_inline_asm ${1}_inline "\"$2\""
715 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
716}
717
304d586d
LM
718check_yasm(){
719 log check_yasm "$@"
720 echo "$1" > $TMPS
721 log_file $TMPS
722 shift 1
723 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
724}
725
29b64b68
MR
726ld_o(){
727 eval printf '%s\\n' $LD_O
728}
729
dcd479c0 730check_ld(){
57bd82d4 731 log check_ld "$@"
66a1ccd7
MR
732 flags=$(filter_out '-l*' "$@")
733 libs=$(filter '-l*' "$@")
01d31e16 734 check_cc $($cflags_filter $flags) || return
64933b6c
MR
735 flags=$($ldflags_filter $flags)
736 libs=$($ldflags_filter $libs)
29b64b68 737 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
dcd479c0
MR
738}
739
5adc829e
MR
740check_code(){
741 log check_code "$@"
742 check=$1
743 headers=$2
744 code=$3
745 shift 3
746 {
747 for hdr in $headers; do
748 echo "#include <$hdr>"
749 done
750 echo "int main(void) { $code; return 0; }"
751 } | check_$check "$@"
752}
753
50a334e4
MR
754check_cppflags(){
755 log check_cppflags "$@"
caf458dd 756 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
757int x;
758EOF
759}
760
dcd479c0 761check_cflags(){
57bd82d4 762 log check_cflags "$@"
01d31e16 763 set -- $($cflags_filter "$@")
caf458dd 764 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
765int x;
766EOF
767}
768
2ed46eea
MR
769test_ldflags(){
770 log test_ldflags "$@"
771 check_ld "$@" <<EOF
c23a0ac8 772int main(void){ return 0; }
dcd479c0
MR
773EOF
774}
775
2ed46eea
MR
776check_ldflags(){
777 log check_ldflags "$@"
778 test_ldflags "$@" && add_ldflags "$@"
779}
780
dcd479c0 781check_header(){
57bd82d4 782 log check_header "$@"
dcd479c0
MR
783 header=$1
784 shift
b77df637
MR
785 disable_safe $header
786 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
787#include <$header>
788int x;
789EOF
790}
791
792check_func(){
57bd82d4 793 log check_func "$@"
dcd479c0
MR
794 func=$1
795 shift
d8bc5f06
MR
796 disable $func
797 check_ld "$@" <<EOF && enable $func
dcd479c0 798extern int $func();
c23a0ac8 799int main(void){ $func(); }
dcd479c0
MR
800EOF
801}
802
645d2652 803check_mathfunc(){
6b73c0ae 804 log check_mathfunc "$@"
645d2652 805 func=$1
1aa07aa2
MR
806 narg=$2
807 shift 2
808 test $narg = 2 && args="f, g" || args="f"
645d2652
MR
809 disable $func
810 check_ld "$@" <<EOF && enable $func
811#include <math.h>
1aa07aa2 812float foo(float f, float g) { return $func($args); }
33bd38db 813int main(void){ return 0; }
645d2652
MR
814EOF
815}
816
2446d3d6
DB
817check_func_headers(){
818 log check_func_headers "$@"
f8d7b072 819 headers=$1
edaf1ae2 820 funcs=$2
f8d7b072 821 shift 2
edaf1ae2
MR
822 {
823 for hdr in $headers; do
824 echo "#include <$hdr>"
825 done
826 for func in $funcs; do
827 echo "long check_$func(void) { return (long) $func; }"
828 done
829 echo "int main(void) { return 0; }"
830 } | check_ld "$@" && enable $funcs && enable_safe $headers
f8d7b072
MR
831}
832
a5344cf7
SS
833check_cpp_condition(){
834 log check_cpp_condition "$@"
835 header=$1
836 condition=$2
f855b7b9 837 shift 2
cd52ec95 838 check_cpp "$@" <<EOF
a5344cf7
SS
839#include <$header>
840#if !($condition)
841#error "unsatisfied condition: $condition"
842#endif
843EOF
844}
845
57bd82d4
MR
846check_lib(){
847 log check_lib "$@"
848 header="$1"
849 func="$2"
850 shift 2
84400e9d 851 check_header $header && check_func $func "$@" && add_extralibs "$@"
57bd82d4
MR
852}
853
f8d7b072
MR
854check_lib2(){
855 log check_lib2 "$@"
856 headers="$1"
edaf1ae2 857 funcs="$2"
f8d7b072 858 shift 2
edaf1ae2 859 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
f8d7b072
MR
860}
861
3f8040db
MR
862check_pkg_config(){
863 log check_pkg_config "$@"
864 pkg="$1"
865 headers="$2"
866 funcs="$3"
867 shift 3
868 $pkg_config --exists $pkg || return
869 pkg_cflags=$($pkg_config --cflags $pkg)
870 pkg_libs=$($pkg_config --libs $pkg)
871 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
872 set_safe ${pkg}_cflags $pkg_cflags &&
873 set_safe ${pkg}_libs $pkg_libs
874}
875
dcd479c0 876check_exec(){
2270b4b2 877 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
878}
879
7dfef245 880check_exec_crash(){
5e622c40 881 code=$(cat)
7dfef245
MR
882
883 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
884 # are safe but may not be available everywhere. Thus we use
885 # raise(SIGTERM) instead. The check is run in a subshell so we
886 # can redirect the "Terminated" message from the shell. SIGBUS
887 # is not defined by standard C so it is used conditionally.
888
2270b4b2 889 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
890#include <signal.h>
891static void sighandler(int sig){
892 raise(SIGTERM);
893}
692dd8ed
MR
894int foo(void){
895 $code
896}
e5af4a11 897int main(void){
7dfef245
MR
898 signal(SIGILL, sighandler);
899 signal(SIGFPE, sighandler);
900 signal(SIGSEGV, sighandler);
901#ifdef SIGBUS
902 signal(SIGBUS, sighandler);
903#endif
692dd8ed 904 foo();
7dfef245
MR
905}
906EOF
907}
908
72be9e73
DY
909check_type(){
910 log check_type "$@"
911 headers=$1
912 type=$2
913 shift 2
ae550ce9 914 disable_safe "$type"
5adc829e 915 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
72be9e73
DY
916}
917
14d36751
MR
918check_struct(){
919 log check_type "$@"
920 headers=$1
921 struct=$2
922 member=$3
923 shift 3
924 disable_safe "${struct}_${member}"
5adc829e
MR
925 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
926 enable_safe "${struct}_${member}"
14d36751
MR
927}
928
57bd82d4
MR
929require(){
930 name="$1"
931 header="$2"
932 func="$3"
933 shift 3
934 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
935}
936
f8d7b072
MR
937require2(){
938 name="$1"
939 headers="$2"
940 func="$3"
941 shift 3
942 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
943}
944
3f8040db
MR
945require_pkg_config(){
946 pkg="$1"
947 check_pkg_config "$@" || die "ERROR: $pkg not found"
948 add_cflags $(get_safe ${pkg}_cflags)
949 add_extralibs $(get_safe ${pkg}_libs)
950}
951
ae43c4c0
MR
952hostcc_o(){
953 eval printf '%s\\n' $HOSTCC_O
954}
955
f0125de9
MR
956check_host_cc(){
957 log check_host_cc "$@"
958 cat > $TMPC
959 log_file $TMPC
ae43c4c0 960 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
f0125de9
MR
961}
962
963check_host_cflags(){
964 log check_host_cflags "$@"
6c3fa06a 965 set -- $($host_cflags_filter "$@")
f0125de9
MR
966 check_host_cc "$@" <<EOF && append host_cflags "$@"
967int x;
968EOF
969}
970
c505dd31
MR
971apply(){
972 file=$1
973 shift
974 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
975}
976
c34681df 977cp_if_changed(){
5e27ec28
MR
978 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
979 mkdir -p "$(dirname $2)"
4ebc6a74 980 $cp_f "$1" "$2"
c34681df
MR
981}
982
dcd61286
DB
983# CONFIG_LIST contains configurable options, while HAVE_LIST is for
984# system-dependent things.
985
4a0d6686
AJ
986COMPONENT_LIST="
987 bsfs
988 decoders
989 demuxers
990 encoders
3cde40aa 991 filters
5666fd73 992 hwaccels
c552605c 993 indevs
4a0d6686 994 muxers
c552605c 995 outdevs
4a0d6686
AJ
996 parsers
997 protocols
998"
999
d89f2fa9
DB
1000LIBRARY_LIST="
1001 avcodec
1002 avdevice
1003 avfilter
1004 avformat
1005 avresample
1006 avutil
1007 swscale
1008"
1009
055c61b8
DB
1010PROGRAM_LIST="
1011 avconv
1012 avplay
1013 avprobe
1014 avserver
055c61b8
DB
1015"
1016
4a0d6686
AJ
1017CONFIG_LIST="
1018 $COMPONENT_LIST
d89f2fa9 1019 $LIBRARY_LIST
055c61b8 1020 $PROGRAM_LIST
c88f5d72 1021 avisynth
f402916e 1022 bzlib
7f3f5f46 1023 dct
c73f65d9 1024 doc
92c6a099 1025 dxva2
1848f7d9 1026 fft
47941088 1027 frei0r
bc8c1395 1028 gnutls
c88f5d72 1029 gpl
d8d0d0b2 1030 gray
3abe5fbd 1031 hardcoded_tables
e417d80d 1032 libcdio
f7b8bffe 1033 libdc1394
2eed5a46 1034 libfaac
37eeb5e2 1035 libfdk_aac
a5b64584 1036 libfreetype
c88f5d72 1037 libgsm
3641b048 1038 libilbc
6ebe07fb 1039 libmp3lame
0b175caa
DB
1040 libopencore_amrnb
1041 libopencore_amrwb
6ebf0bfc 1042 libopencv
9a77d59a 1043 libopenjpeg
44617d6e 1044 libopus
0de9c41f 1045 libpulse
0f943ce6 1046 librtmp
f7cd9eed 1047 libschroedinger
ae14f311 1048 libspeex
150d2772 1049 libtheora
d89e738a 1050 libvo_aacenc
f502ff3f 1051 libvo_amrwbenc
c88f5d72 1052 libvorbis
8299a7f8 1053 libvpx
1cc60c47 1054 libx264
de295976 1055 libxavs
1cc60c47 1056 libxvid
b781cc12 1057 lsp
2a91ada8 1058 lzo
47a158cb 1059 mdct
c88f5d72 1060 memalign_hack
c88f5d72 1061 network
3fe142e2 1062 nonfree
a060866f 1063 openssl
8a3c8627 1064 pic
68602540 1065 rdft
e90f5b5a 1066 runtime_cpudetect
8cfbbd92 1067 safe_bitstream_reader
2e35e684 1068 shared
bd2216e4 1069 small
6b35d421 1070 sram
2e35e684 1071 static
a9ddb5b1 1072 swscale_alpha
8986fddc 1073 thumb
17492d5e 1074 vaapi
ac3dbb4d 1075 vda
17492d5e 1076 vdpau
9cad0e4e 1077 version3
7e4d9d5d 1078 xmm_clobber_test
56a059ac 1079 x11grab
c88f5d72 1080 zlib
4a0d6686 1081"
c88f5d72 1082
8eee7025 1083THREADS_LIST='
8eee7025
DB
1084 pthreads
1085 w32threads
1086'
1087
3f5b56e5 1088ARCH_LIST='
5873b623 1089 aarch64
3f5b56e5 1090 alpha
a2fc0f6a 1091 arm
fdcd782d
MR
1092 avr32
1093 avr32_ap
1094 avr32_uc
3f5b56e5
MR
1095 bfin
1096 ia64
1097 m68k
1098 mips
bae3abb0 1099 mips64
3f5b56e5 1100 parisc
79cb09b2 1101 ppc
34d11b87 1102 ppc64
3f5b56e5
MR
1103 s390
1104 sh4
1105 sparc
1106 sparc64
c75848cd
DB
1107 tilegx
1108 tilepro
0844bae1 1109 tomi
3f5b56e5
MR
1110 x86
1111 x86_32
1112 x86_64
1113'
1114
81dfa21e
MR
1115ARCH_EXT_LIST_ARM='
1116 armv5te
1117 armv6
1118 armv6t2
81dfa21e 1119 neon
b3267559 1120 vfp
81dfa21e
MR
1121 vfpv3
1122'
1123
50cd43f2 1124ARCH_EXT_LIST_X86='
3bf96eec 1125 amd3dnow
a1ef9f08 1126 amd3dnowext
50cd43f2
DB
1127 avx
1128 fma4
1129 mmx
1130 mmxext
1131 sse
1132 sse2
1133 sse3
1134 sse4
1135 sse42
1136 ssse3
1137'
1138
1139ARCH_EXT_LIST="
81dfa21e 1140 $ARCH_EXT_LIST_ARM
50cd43f2
DB
1141 $ARCH_EXT_LIST_X86
1142 altivec
799fde37 1143 ppc4xx
bd9d34a0 1144 vis
50cd43f2 1145"
3f5b56e5 1146
fd712a55
DB
1147HAVE_LIST_CMDLINE='
1148 inline_asm
1149 symver
1150 yasm
1151'
1152
a3e02a8c
MR
1153HAVE_LIST_PUB='
1154 bigendian
d268eee9 1155 fast_unaligned
a3e02a8c
MR
1156'
1157
79042ab3 1158MATH_FUNCS="
fab0a8b2
MR
1159 atanf
1160 atan2f
79042ab3 1161 cbrtf
fab0a8b2 1162 cosf
79042ab3
DB
1163 exp2
1164 exp2f
fab0a8b2 1165 expf
79042ab3
DB
1166 isinf
1167 isnan
fab0a8b2 1168 ldexpf
79042ab3
DB
1169 llrint
1170 llrintf
1171 log2
1172 log2f
fab0a8b2 1173 log10f
79042ab3
DB
1174 lrint
1175 lrintf
fab0a8b2 1176 powf
79042ab3
DB
1177 rint
1178 round
1179 roundf
fab0a8b2 1180 sinf
79042ab3
DB
1181 trunc
1182 truncf
1183"
1184
3f5b56e5
MR
1185HAVE_LIST="
1186 $ARCH_EXT_LIST
43b73d59
DB
1187 $(add_suffix _external $ARCH_EXT_LIST)
1188 $(add_suffix _inline $ARCH_EXT_LIST)
fd712a55 1189 $HAVE_LIST_CMDLINE
a3e02a8c 1190 $HAVE_LIST_PUB
3f5b56e5 1191 $THREADS_LIST
79042ab3 1192 $MATH_FUNCS
be1a839c 1193 aligned_malloc
59782b82 1194 aligned_stack
35fd8122 1195 alsa_asoundlib_h
3f5b56e5 1196 altivec_h
c9fdab0d 1197 arpa_inet_h
ec9d2c15 1198 asm_mod_q
6308729e 1199 asm_mod_y
dffb41b9 1200 attribute_may_alias
e7ea5e3d 1201 attribute_packed
ecf97f22 1202 closesocket
1ac9331a 1203 cmov
15caccb9 1204 CommandLineToArgvW
180d43bc 1205 cpunop
1093383d 1206 CryptGenRandom
c88f5d72 1207 dcbzl
f8aa696f
DB
1208 dev_bktr_ioctl_bt848_h
1209 dev_bktr_ioctl_meteor_h
1210 dev_ic_bt8xx_h
f8aa696f 1211 dev_video_bktr_ioctl_bt848_h
3e0b1c9a 1212 dev_video_meteor_ioctl_meteor_h
ca6b544a 1213 direct_h
18b67ae5 1214 dlfcn_h
c88f5d72 1215 dlopen
bc574408 1216 dos_paths
fa845061 1217 dxva_h
245626d0
DB
1218 ebp_available
1219 ebx_available
c2a29455 1220 fast_64bit
669b5583 1221 fast_clz
7073e9fc 1222 fast_cmov
534a2231 1223 fcntl
9d99cc5a 1224 fork
84882df6 1225 getaddrinfo
da9e86f8 1226 gethrtime
667fb97a 1227 getopt
02e8f427 1228 GetProcessAffinityMask
fc5607f8 1229 GetProcessMemoryInfo
4e68cb8a 1230 GetProcessTimes
61183b5a 1231 GetSystemTimeAsFileTime
66be5b45 1232 getrusage
c3e73100 1233 getservbyport
61183b5a 1234 gettimeofday
a49d3025 1235 gnu_as
2f0c136e 1236 ibm_asm
2e1913b1 1237 inet_aton
3b1ab197 1238 io_h
abfc8d05 1239 isatty
8772997d 1240 jack_port_get_latency_range
9f5ff83f 1241 ldbrx
0b4a1821
AS
1242 libdc1394_1
1243 libdc1394_2
d96cd429
MR
1244 local_aligned_16
1245 local_aligned_8
a5b64584 1246 localtime_r
85dd97ad 1247 loongson
f8aa696f
DB
1248 machine_ioctl_bt848_h
1249 machine_ioctl_meteor_h
c88f5d72 1250 malloc_h
73f6d31e 1251 MapViewOfFile
c88f5d72 1252 memalign
6ffa87d3 1253 mkstemp
f80ddd5b 1254 mm_empty
0328b9ea 1255 mmap
e98b02de 1256 mprotect
4fa661a8 1257 msvcrt
d3d3a32c 1258 nanosleep
3e0b1c9a 1259 poll_h
1f91cdce 1260 posix_memalign
07b28702 1261 rdtsc
ea4d5f48 1262 sched_getaffinity
c88f5d72
MR
1263 sdl
1264 sdl_video_size
7e6a11bc 1265 SetConsoleTextAttribute
b507ebd1 1266 setmode
3e0b1c9a 1267 setrlimit
d3d3a32c 1268 Sleep
15d59d2c 1269 sndio_h
72be9e73 1270 socklen_t
deb29777 1271 soundcard_h
87958234 1272 strerror_r
6379900c 1273 strptime
47941088 1274 strtok_r
c0018613 1275 struct_addrinfo
75d339e0
MS
1276 struct_group_source_req
1277 struct_ip_mreq_source
b4d68544 1278 struct_ipv6_mreq
cdee08e3 1279 struct_pollfd
3e0b1c9a 1280 struct_rusage_ru_maxrss
b4d68544 1281 struct_sockaddr_in6
3b2372bf 1282 struct_sockaddr_sa_len
33a4dbdd 1283 struct_sockaddr_storage
a6a4793d 1284 struct_v4l2_frmivalenum_discrete
b462d132 1285 symver_asm_label
3e0b1c9a 1286 symver_gnu_asm
bcc73960 1287 sysconf
b9e22269 1288 sysctl
b58412f1 1289 sys_mman_h
06bb5905 1290 sys_param_h
b091aa44 1291 sys_resource_h
81644c2e 1292 sys_select_h
deb29777 1293 sys_soundcard_h
e64bceea 1294 sys_time_h
1b6e8b73 1295 sys_videoio_h
b265431e 1296 threads
542920b7 1297 unistd_h
d3d3a32c 1298 usleep
ce742de2 1299 vfp_args
7c5bfe7a 1300 VirtualAlloc
d3d3a32c 1301 windows_h
6ff3f3e7 1302 winsock2_h
cc078b5d 1303 xform_asm
6f74fb03 1304 xmm_clobbers
0cb78cef 1305"
44161118 1306
511cf612 1307# options emitted with CONFIG_ prefix but not available on the command line
b6bb00b0 1308CONFIG_EXTRA="
87849592 1309 aandcttables
bfe9f48a 1310 ac3dsp
c292f6a2 1311 error_resilience
bfe9f48a 1312 gcrypt
478fd534 1313 golomb
9cad0e4e 1314 gplv3
478fd534
DB
1315 h264chroma
1316 h264dsp
1317 h264pred
915a2a0a 1318 h264qpel
478fd534 1319 huffman
9cad0e4e 1320 lgplv3
478fd534 1321 lpc
1e164c0b 1322 mpegaudio
bfe9f48a 1323 mpegaudiodsp
18bbca1f 1324 mpegvideo
ad08dfd5 1325 mpegvideoenc
bfe9f48a 1326 nettle
f704a079 1327 rangecoder
bfe9f48a 1328 rtpdec
5ad2f0bf 1329 rtpenc_chain
bfe9f48a 1330 sinewin
8c53d39e 1331 videodsp
ab9f9876 1332 vp3dsp
b6bb00b0
MR
1333"
1334
520cc7f1 1335CMDLINE_SELECT="
3f5b56e5 1336 $ARCH_EXT_LIST
520cc7f1 1337 $CONFIG_LIST
fd712a55 1338 $HAVE_LIST_CMDLINE
8eee7025 1339 $THREADS_LIST
c8a4ae00 1340 asm
db6107b6 1341 cross_compile
520cc7f1
MR
1342 debug
1343 extra_warnings
8c6afa4d 1344 logging
65d12900 1345 lto
d2bbb2f7 1346 optimizations
520cc7f1 1347"
426be5dc
DB
1348
1349PATHS_LIST='
d156bede 1350 bindir
14a8acf1 1351 datadir
26759c44
MR
1352 incdir
1353 libdir
26759c44
MR
1354 mandir
1355 prefix
1356 shlibdir
426be5dc
DB
1357'
1358
1359CMDLINE_SET="
1360 $PATHS_LIST
121d78d0 1361 ar
426be5dc 1362 arch
313c46a6 1363 as
426be5dc
DB
1364 build_suffix
1365 cc
1366 cpu
1367 cross_prefix
50567afa 1368 dep_cc
ac63af34 1369 extra_version
9da6609f
MR
1370 host_cc
1371 host_cflags
095792f2 1372 host_ld
9da6609f
MR
1373 host_ldflags
1374 host_libs
82bb3329 1375 host_os
684b28e0 1376 ld
426be5dc 1377 logfile
4ae40685 1378 malloc_prefix
89641463 1379 nm
9cd7b854 1380 optflags
3f8040db 1381 pkg_config
154caa67 1382 random_seed
2fad0977 1383 samples
c5200f17
MR
1384 sysinclude
1385 sysroot
a7ada2ba 1386 target_exec
26759c44 1387 target_os
a7ada2ba 1388 target_path
aeeb782c 1389 toolchain
426be5dc 1390"
520cc7f1 1391
89f2932b
MR
1392CMDLINE_APPEND="
1393 extra_cflags
1394"
1395
912f3148
DB
1396# code dependency declarations
1397
9eeed841 1398# architecture extensions
808fa33c 1399
a2fc0f6a
MR
1400armv5te_deps="arm"
1401armv6_deps="arm"
ab5cb084 1402armv6t2_deps="arm"
808fa33c 1403neon_deps="arm"
b3267559
MR
1404vfp_deps="arm"
1405vfpv3_deps="vfp"
808fa33c 1406
637606de
MR
1407map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1408
808fa33c
MR
1409altivec_deps="ppc"
1410ppc4xx_deps="ppc"
1411
1412vis_deps="sparc"
1413
7f8c3d1f 1414x86_64_suggest="cmov fast_cmov"
50cd43f2 1415
808fa33c
MR
1416amd3dnow_deps="mmx"
1417amd3dnowext_deps="amd3dnow"
9eeed841 1418mmx_deps="x86"
239fdf1b 1419mmxext_deps="mmx"
50cd43f2
DB
1420sse_deps="mmxext"
1421sse2_deps="sse"
1422sse3_deps="sse2"
1423ssse3_deps="sse3"
1424sse4_deps="ssse3"
1425sse42_deps="sse4"
1426avx_deps="sse42"
79687079 1427fma4_deps="avx"
9eeed841 1428
43b73d59
DB
1429mmx_external_deps="yasm"
1430mmx_inline_deps="inline_asm"
1431mmx_suggest="mmx_external mmx_inline"
1432
1433for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1434 eval dep=\$${ext}_deps
1435 eval ${ext}_external_deps='"${dep}_external"'
1436 eval ${ext}_inline_deps='"${dep}_inline"'
1437 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1438done
1439
59782b82 1440aligned_stack_if_any="ppc x86"
e939cedd 1441fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
f0fe245b
MR
1442fast_clz_if_any="alpha avr32 mips ppc x86"
1443fast_unaligned_if_any="ppc x86"
669b5583 1444
6fec122a 1445inline_asm_deps="!tms470"
3e0b1c9a 1446need_memalign="altivec neon sse"
89e053f8 1447
b462d132
MR
1448symver_if_any="symver_asm_label symver_gnu_asm"
1449
88a35699
MS
1450log2_deps="!msvcrt"
1451
26fbcc85 1452# subsystems
dc609252 1453dct_select="rdft"
26fbcc85
MR
1454mdct_select="fft"
1455rdft_select="fft"
1e164c0b 1456mpegaudio_select="mpegaudiodsp"
c4f5c2d6 1457mpegaudiodsp_select="dct"
ed40b6bf 1458mpegvideo_select="videodsp"
ad08dfd5 1459mpegvideoenc_select="mpegvideo"
26fbcc85 1460
ed40b6bf 1461# decoders / encoders
cfc2a0cf 1462aac_decoder_select="mdct sinewin"
4538729a 1463aac_encoder_select="mdct sinewin"
136e19e1 1464aac_latm_decoder_select="aac_decoder aac_latm_parser"
6d9f52b2 1465ac3_decoder_select="mdct ac3dsp ac3_parser"
a5444fee 1466ac3_encoder_select="mdct ac3dsp"
3d269059 1467ac3_fixed_encoder_select="mdct ac3dsp"
f4d608e3 1468alac_encoder_select="lpc"
b781cc12 1469amrnb_decoder_select="lsp"
2b2a597e 1470amrwb_decoder_select="lsp"
4538729a 1471atrac1_decoder_select="mdct sinewin"
26fbcc85 1472atrac3_decoder_select="mdct"
a33657ce
DB
1473binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1474binkaudio_rdft_decoder_select="mdct rdft sinewin"
18bbca1f 1475cavs_decoder_select="golomb mpegvideo"
9b500b8f 1476comfortnoise_encoder_select="lpc"
4538729a 1477cook_decoder_select="mdct sinewin"
2a91ada8 1478cscd_decoder_select="lzo"
2eef7c62 1479cscd_decoder_suggest="zlib"
26fbcc85 1480dca_decoder_select="mdct"
ad08dfd5 1481dnxhd_encoder_select="aandcttables mpegvideoenc"
2eef7c62 1482dxa_decoder_select="zlib"
baf91bb9 1483eac3_decoder_select="ac3_decoder"
4264a0dd 1484eac3_encoder_select="ac3_encoder"
69804535 1485eamad_decoder_select="aandcttables error_resilience mpegvideo"
87849592 1486eatgq_decoder_select="aandcttables"
c292f6a2 1487eatqi_decoder_select="aandcttables error_resilience mpegvideo"
f704a079
DB
1488ffv1_decoder_select="golomb rangecoder"
1489ffv1_encoder_select="rangecoder"
5a582bd3 1490ffvhuff_encoder_select="huffman"
4f034993 1491flac_decoder_select="golomb"
f4d608e3 1492flac_encoder_select="golomb lpc"
2eef7c62
AJ
1493flashsv_decoder_select="zlib"
1494flashsv_encoder_select="zlib"
c2d23309 1495flashsv2_decoder_select="zlib"
4414137e 1496flv_decoder_select="h263_decoder"
4d4b4bd1 1497flv_encoder_select="h263_encoder"
3447f12d 1498fraps_decoder_select="huffman"
c292f6a2 1499h261_decoder_select="error_resilience mpegvideo"
ad08dfd5 1500h261_encoder_select="aandcttables mpegvideoenc"
c292f6a2
DB
1501h263_decoder_select="error_resilience h263_parser mpegvideo"
1502h263_encoder_select="aandcttables error_resilience mpegvideoenc"
4414137e 1503h263i_decoder_select="h263_decoder"
fe629c2d 1504h263p_encoder_select="h263_encoder"
c292f6a2 1505h264_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
5a582bd3 1506huffyuv_encoder_select="huffman"
19be0f3c 1507iac_decoder_select="fft mdct sinewin"
56c8227d 1508imc_decoder_select="fft mdct sinewin"
4f034993
MR
1509jpegls_decoder_select="golomb"
1510jpegls_encoder_select="golomb"
ad08dfd5 1511ljpeg_encoder_select="aandcttables mpegvideoenc"
4f034993 1512loco_decoder_select="golomb"
c292f6a2 1513mdec_decoder_select="error_resilience mpegvideo"
ad08dfd5 1514mjpeg_encoder_select="aandcttables mpegvideoenc"
2cca233b 1515mlp_decoder_select="mlp_parser"
1e164c0b
DB
1516mp1_decoder_select="mpegaudio"
1517mp1float_decoder_select="mpegaudio"
1518mp2_decoder_select="mpegaudio"
1519mp2float_decoder_select="mpegaudio"
1520mp3_decoder_select="mpegaudio"
1521mp3adu_decoder_select="mpegaudio"
1522mp3adufloat_decoder_select="mpegaudio"
1523mp3float_decoder_select="mpegaudio"
1524mp3on4_decoder_select="mpegaudio"
1525mp3on4float_decoder_select="mpegaudio"
606c9297
DB
1526mpc7_decoder_select="mpegaudiodsp"
1527mpc8_decoder_select="mpegaudiodsp"
3e0b1c9a
DB
1528mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1529mpeg_xvmc_decoder_select="mpegvideo_decoder"
c292f6a2
DB
1530mpeg1video_decoder_select="error_resilience mpegvideo"
1531mpeg1video_encoder_select="aandcttables error_resilience mpegvideoenc"
c292f6a2
DB
1532mpeg2video_decoder_select="error_resilience mpegvideo"
1533mpeg2video_encoder_select="aandcttables error_resilience mpegvideoenc"
3e0b1c9a
DB
1534mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1535mpeg4_encoder_select="h263_encoder"
4414137e 1536msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1537msmpeg4v1_encoder_select="h263_encoder"
4414137e 1538msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1539msmpeg4v2_encoder_select="h263_encoder"
4414137e 1540msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1541msmpeg4v3_encoder_select="h263_encoder"
ee769c6a 1542mss2_decoder_select="vc1_decoder"
4538729a
MR
1543nellymoser_decoder_select="mdct sinewin"
1544nellymoser_encoder_select="mdct sinewin"
2a91ada8 1545nuv_decoder_select="lzo"
2eef7c62
AJ
1546png_decoder_select="zlib"
1547png_encoder_select="zlib"
b781cc12 1548qcelp_decoder_select="lsp"
c4f5c2d6 1549qdm2_decoder_select="mdct rdft mpegaudiodsp"
31ed3f1f 1550ra_144_encoder_select="lpc"
9f43fdda 1551ralf_decoder_select="golomb"
a8beb22f 1552rv10_decoder_select="h263_decoder"
b2bf38b4 1553rv10_encoder_select="h263_encoder"
a8beb22f 1554rv20_decoder_select="h263_decoder"
b2bf38b4 1555rv20_encoder_select="h263_encoder"
c292f6a2
DB
1556rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1557rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
4f034993 1558shorten_decoder_select="golomb"
b781cc12 1559sipr_decoder_select="lsp"
c292f6a2
DB
1560svq1_decoder_select="error_resilience mpegvideo"
1561svq1_encoder_select="aandcttables error_resilience mpegvideoenc"
1562svq3_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
bee2eac5 1563svq3_decoder_suggest="zlib"
4eef77c1 1564theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1565tiff_decoder_suggest="zlib"
1566tiff_encoder_suggest="zlib"
aec09a00 1567truehd_decoder_select="mlp_decoder"
2eef7c62 1568tscc_decoder_select="zlib"
4538729a 1569twinvq_decoder_select="mdct lsp sinewin"
aa661113 1570utvideo_encoder_select="huffman"
915a2a0a 1571vc1_decoder_select="h263_decoder h264chroma h264qpel"
45ecda85 1572vc1image_decoder_select="vc1_decoder"
26fbcc85
MR
1573vorbis_decoder_select="mdct"
1574vorbis_encoder_select="mdct"
8c53d39e
RB
1575vp3_decoder_select="vp3dsp videodsp"
1576vp5_decoder_select="vp3dsp videodsp"
1577vp6_decoder_select="huffman vp3dsp videodsp"
e82dc4c9
DB
1578vp6a_decoder_select="vp6_decoder"
1579vp6f_decoder_select="vp6_decoder"
8c53d39e 1580vp8_decoder_select="h264pred videodsp"
4538729a
MR
1581wmapro_decoder_select="mdct sinewin"
1582wmav1_decoder_select="mdct sinewin"
1583wmav1_encoder_select="mdct sinewin"
1584wmav2_decoder_select="mdct sinewin"
1585wmav2_encoder_select="mdct sinewin"
1586wmavoice_decoder_select="lsp rdft dct mdct sinewin"
f95bfab0 1587wmv1_decoder_select="h263_decoder"
665507aa 1588wmv1_encoder_select="h263_encoder"
f95bfab0 1589wmv2_decoder_select="h263_decoder"
1746e2a9 1590wmv2_encoder_select="h263_encoder"
015f8ee0 1591wmv3_decoder_select="vc1_decoder"
45ecda85 1592wmv3image_decoder_select="wmv3_decoder"
0e714f88 1593zerocodec_decoder_select="zlib"
2eef7c62
AJ
1594zlib_decoder_select="zlib"
1595zlib_encoder_select="zlib"
1596zmbv_decoder_select="zlib"
1597zmbv_encoder_select="zlib"
30fd06be 1598
ed40b6bf 1599# hardware accelerators
0afab17e 1600vaapi_deps="va_va_h"
ac3dbb4d 1601vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
c89c96e9
MR
1602vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1603
ed40b6bf
DB
1604h263_vaapi_hwaccel_select="vaapi h263_decoder"
1605h264_dxva2_hwaccel_deps="dxva2api_h"
1606h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1607h264_vaapi_hwaccel_select="vaapi h264_decoder"
1608h264_vda_hwaccel_select="vda h264_decoder"
1609h264_vdpau_decoder_select="vdpau h264_decoder"
1610mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1611mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1612mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1613mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1614mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1615mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1616mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1617vc1_dxva2_hwaccel_deps="dxva2api_h"
1618vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1619vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1620vc1_vdpau_decoder_select="vdpau vc1_decoder"
1621wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1622wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1623wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1624
28b80940 1625# parsers
c292f6a2
DB
1626h264_parser_select="error_resilience golomb h264dsp h264pred mpegvideo"
1627mpeg4video_parser_select="error_resilience mpegvideo"
1628mpegvideo_parser_select="error_resilience mpegvideo"
1629vc1_parser_select="error_resilience mpegvideo"
28b80940 1630
912f3148 1631# external libraries
c9171a83 1632libfaac_encoder_deps="libfaac"
37eeb5e2 1633libfdk_aac_encoder_deps="libfdk_aac"
299c77d5
MR
1634libgsm_decoder_deps="libgsm"
1635libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1636libgsm_ms_decoder_deps="libgsm"
1637libgsm_ms_encoder_deps="libgsm"
3641b048
MS
1638libilbc_decoder_deps="libilbc"
1639libilbc_encoder_deps="libilbc"
1cc60c47 1640libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1641libopencore_amrnb_decoder_deps="libopencore_amrnb"
1642libopencore_amrnb_encoder_deps="libopencore_amrnb"
1643libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1644libopenjpeg_decoder_deps="libopenjpeg"
453c02f9 1645libopenjpeg_encoder_deps="libopenjpeg"
44617d6e 1646libopus_decoder_deps="libopus"
6cb8c854 1647libopus_encoder_deps="libopus"
f7cd9eed
AS
1648libschroedinger_decoder_deps="libschroedinger"
1649libschroedinger_encoder_deps="libschroedinger"
ae14f311 1650libspeex_decoder_deps="libspeex"
b606a017 1651libspeex_encoder_deps="libspeex"
150d2772 1652libtheora_encoder_deps="libtheora"
d89e738a 1653libvo_aacenc_encoder_deps="libvo_aacenc"
f502ff3f 1654libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
b0caf888 1655libvorbis_encoder_deps="libvorbis"
8299a7f8 1656libvpx_decoder_deps="libvpx"
ee0e9146 1657libvpx_encoder_deps="libvpx"
1cc60c47 1658libx264_encoder_deps="libx264"
de295976 1659libxavs_encoder_deps="libxavs"
1cc60c47 1660libxvid_encoder_deps="libxvid"
30fd06be 1661
912f3148 1662# demuxers / muxers
c2dd0e9e 1663ac3_demuxer_select="ac3_parser"
647c2356 1664asf_stream_muxer_select="asf_muxer"
4e622dea 1665avisynth_demuxer_deps="avisynth"
c2dd0e9e 1666dirac_demuxer_select="dirac_parser"
5b423887 1667eac3_demuxer_select="ac3_parser"
c2dd0e9e 1668flac_demuxer_select="flac_parser"
647c2356 1669ipod_muxer_select="mov_muxer"
31f16dc1 1670ismv_muxer_select="mov_muxer"
647c2356 1671matroska_audio_muxer_select="matroska_muxer"
2a91ada8 1672matroska_demuxer_suggest="bzlib lzo zlib"
4e622dea 1673mov_demuxer_suggest="zlib"
5ad2f0bf 1674mov_muxer_select="rtpenc_chain"
c2dd0e9e 1675mp3_demuxer_select="mpegaudio_parser"
647c2356 1676mp4_muxer_select="mov_muxer"
18bbca1f 1677mpegts_muxer_select="adts_muxer latm_muxer mpegvideo"
647c2356
DB
1678mpegtsraw_demuxer_select="mpegts_demuxer"
1679mxf_d10_muxer_select="mxf_muxer"
24ca518b 1680ogg_demuxer_select="golomb"
647c2356 1681psp_muxer_select="mov_muxer"
44594cc7 1682rtp_demuxer_select="sdp_demuxer"
18bbca1f 1683rtp_muxer_select="mpegvideo"
44b70ce5
MS
1684rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1685rtsp_demuxer_select="http_protocol rtpdec"
5ad2f0bf 1686rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
01c8d258 1687sap_demuxer_select="sdp_demuxer"
5ad2f0bf 1688sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
44b70ce5 1689sdp_demuxer_select="rtpdec"
e772f9fa 1690smoothstreaming_muxer_select="ismv_muxer"
f1e94694 1691spdif_muxer_select="aac_parser"
57231e4d 1692tak_demuxer_select="tak_parser"
647c2356
DB
1693tg2_muxer_select="mov_muxer"
1694tgp_muxer_select="mov_muxer"
6bdaa5f4 1695w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1696
1697# indevs / outdevs
38e54a75 1698alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
38e54a75 1699alsa_outdev_deps="alsa_asoundlib_h"
38e54a75 1700bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75 1701dv1394_indev_deps="dv1394 dv_demuxer"
c6f95144 1702fbdev_indev_deps="linux_fb_h"
38e54a75 1703jack_indev_deps="jack_jack_h"
e417d80d 1704libcdio_indev_deps="libcdio"
38e54a75 1705libdc1394_indev_deps="libdc1394"
38e54a75
SS
1706oss_indev_deps_any="soundcard_h sys_soundcard_h"
1707oss_outdev_deps_any="soundcard_h sys_soundcard_h"
0de9c41f 1708pulse_indev_deps="libpulse"
15d59d2c
B
1709sndio_indev_deps="sndio_h"
1710sndio_outdev_deps="sndio_h"
38e54a75 1711v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
ec1ee802 1712vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
a1b3c5a3 1713vfwcap_indev_extralibs="-lavicap32"
24f8961f 1714x11grab_indev_deps="x11grab XShmCreateImage"
30fd06be 1715
912f3148 1716# protocols
acd554c1
SP
1717ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1718ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1719ffrtmpcrypt_protocol_select="tcp_protocol"
775c4d36
SP
1720ffrtmphttp_protocol_deps="!librtmp_protocol"
1721ffrtmphttp_protocol_select="http_protocol"
998c1ee1 1722gopher_protocol_select="network"
c40e1757 1723httpproxy_protocol_select="tcp_protocol"
279a0c97 1724http_protocol_select="tcp_protocol"
183baead 1725https_protocol_select="tls_protocol"
c3b57d6e
DB
1726librtmp_protocol_deps="librtmp"
1727librtmpe_protocol_deps="librtmp"
1728librtmps_protocol_deps="librtmp"
1729librtmpt_protocol_deps="librtmp"
1730librtmpte_protocol_deps="librtmp"
c60a2d70 1731mmsh_protocol_select="http_protocol"
998c1ee1 1732mmst_protocol_select="network"
c3b57d6e 1733rtmp_protocol_deps="!librtmp_protocol"
deeb7012 1734rtmp_protocol_select="tcp_protocol"
acd554c1 1735rtmpe_protocol_select="ffrtmpcrypt_protocol"
6aedabc9
SP
1736rtmps_protocol_deps="!librtmp_protocol"
1737rtmps_protocol_select="tls_protocol"
775c4d36 1738rtmpt_protocol_select="ffrtmphttp_protocol"
08cd95e8 1739rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
6c1ed454 1740rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
deeb7012 1741rtp_protocol_select="udp_protocol"
998c1ee1
DB
1742sctp_protocol_deps="struct_sctp_event_subscribe"
1743sctp_protocol_select="network"
1744tcp_protocol_select="network"
558d192d
MS
1745tls_protocol_deps_any="openssl gnutls"
1746tls_protocol_select="tcp_protocol"
998c1ee1 1747udp_protocol_select="network"
c08fb000 1748
6ebf0bfc 1749# filters
13fabd7a 1750blackframe_filter_deps="gpl"
ce6b6ef6 1751boxblur_filter_deps="gpl"
68b79bfc 1752cropdetect_filter_deps="gpl"
b157be1f 1753delogo_filter_deps="gpl"
a5b64584 1754drawtext_filter_deps="libfreetype"
2e5ff4d0 1755frei0r_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1756frei0r_filter_extralibs='$ldl'
a42bb9d6 1757frei0r_src_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1758frei0r_src_filter_extralibs='$ldl'
a4dc7aa5 1759hqdn3d_filter_deps="gpl"
d371e7b9 1760resample_filter_deps="avresample"
cf69ad35 1761ocv_filter_deps="libopencv"
2f296e39 1762scale_filter_deps="swscale"
acbac567 1763yadif_filter_deps="gpl"
6ebf0bfc 1764
5a0f7131 1765# libraries
d89f2fa9
DB
1766avcodec_deps="avutil"
1767avdevice_deps="avutil avcodec avformat"
1768avfilter_deps="avutil"
1769avformat_deps="avutil avcodec"
1770avresample_deps="avutil"
1771swscale_deps="avutil"
f7679c54 1772
912f3148 1773# programs
54fd593a 1774avconv_deps="avcodec avfilter avformat avresample swscale"
0a0e340f
DB
1775avconv_select="aformat_filter anull_filter asyncts_filter format_filter
1776 fps_filter null_filter resample_filter scale_filter
1777 setpts_filter"
d173ede1 1778avplay_deps="avcodec avformat avresample swscale sdl"
266463da 1779avplay_select="rdft"
9e12f0bf 1780avprobe_deps="avcodec avformat"
b263bf66 1781avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
4d58e4cb 1782avserver_extralibs='$ldl'
a2830dca 1783
c73f65d9 1784doc_deps="texi2html"
912f3148 1785
de6d9b64 1786# default parameters
8a608357 1787
19bd477d 1788logfile="config.log"
8a608357
MR
1789
1790# installation paths
c9d19248
MR
1791prefix_default="/usr/local"
1792bindir_default='${prefix}/bin'
6291d7e4 1793datadir_default='${prefix}/share/avconv'
c9d19248
MR
1794incdir_default='${prefix}/include'
1795libdir_default='${prefix}/lib'
1796mandir_default='${prefix}/share/man'
1797shlibdir_default="$libdir_default"
8a608357
MR
1798
1799# toolchain
121d78d0 1800ar_default="ar"
13c7df3d 1801cc_default="gcc"
9da6609f 1802host_cc_default="gcc"
4ebc6a74 1803cp_f="cp -f"
11e6d03a 1804ln_s="ln -sf"
2a8a860a 1805nm_default="nm -g"
11e6d03a 1806objformat="elf"
3f8040db 1807pkg_config_default=pkg-config
be7109c1 1808ranlib="ranlib"
11e6d03a 1809yasmexe="yasm"
8a608357 1810
3e0b1c9a 1811nogas=":"
8182dc34 1812
8a608357 1813# machine
8d4c00ed 1814arch_default=$(uname -m)
38d0a8aa 1815cpu="generic"
8a608357 1816
8a608357 1817# OS
8d4c00ed
MR
1818target_os_default=$(tolower $(uname -s))
1819host_os=$target_os_default
8a608357 1820
8a608357 1821# configurable options
d89f2fa9 1822enable $LIBRARY_LIST $PROGRAM_LIST
3e0b1c9a 1823
3e0b1c9a
DB
1824enable asm
1825enable debug
1826enable doc
8400d6b8 1827enable optimizations
8cfbbd92 1828enable safe_bitstream_reader
530dc538 1829enable static
a9ddb5b1 1830enable swscale_alpha
8a608357 1831
8a608357 1832# build settings
9987769a 1833SHFLAGS='-shared -Wl,-soname,$$(@F)'
4d58e4cb 1834AVSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1835LIBPREF="lib"
1836LIBSUF=".a"
c5f14466
RP
1837FULLNAME='$(NAME)$(BUILDSUF)'
1838LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1839SLIBPREF="lib"
1840SLIBSUF=".so"
c5f14466 1841SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1842SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1843SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1844LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2f138f0b
MR
1845SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1846SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
ef0bc4c9 1847
68485d1f
MR
1848asflags_filter=echo
1849cflags_filter=echo
64933b6c
MR
1850ldflags_filter=echo
1851
23565c26 1852AS_C='-c'
bc877faf 1853AS_O='-o $@'
23565c26 1854CC_C='-c'
18031c49 1855CC_E='-E -o $@'
7e6c86e6 1856CC_O='-o $@'
a758c5e2 1857LD_O='-o $@'
8db73c61
MR
1858LD_LIB='-l%'
1859LD_PATH='-L'
23565c26 1860HOSTCC_C='-c'
a758c5e2 1861HOSTCC_O='-o $@'
095792f2 1862HOSTLD_O='-o $@'
7e6c86e6 1863
1d01fee9 1864host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
9da6609f 1865host_libs='-lm'
6c3fa06a
MR
1866host_cflags_filter=echo
1867host_ldflags_filter=echo
9da6609f 1868
9b861379 1869target_path='$(CURDIR)'
a7ada2ba 1870
a158446b
MR
1871# since the object filename is not given with the -MM flag, the compiler
1872# is only able to print the basename, and we must add the path ourselves
a758c5e2
MR
1873DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1874DEPFLAGS='-MM'
315c741d 1875
c597172e 1876# find source path
24524f36 1877if test -f configure; then
f038cf3c 1878 source_path=.
c597172e 1879else
8477f2de 1880 source_path=$(cd $(dirname "$0"); pwd)
c597172e 1881 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1882 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1883 test -e "$source_path/config.h" &&
1884 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1885fi
1886
13cbe2c0 1887for v in "$@"; do
b04251c5
MR
1888 r=${v#*=}
1889 l=${v%"$r"}
1890 r=$(sh_quote "$r")
29ba0911 1891 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
13cbe2c0 1892done
c597172e 1893
73ef8980
MR
1894find_things(){
1895 thing=$1
1896 pattern=$2
1897 file=$source_path/$3
932ccf39 1898 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1899}
1900
1901ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1902DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1903HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1904PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1905BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1906MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1907DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1908OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1909INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1910PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1911FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1912
54e75be4
DB
1913ALL_COMPONENTS="
1914 $BSF_LIST
1915 $DECODER_LIST
1916 $DEMUXER_LIST
1917 $ENCODER_LIST
1918 $FILTER_LIST
1919 $HWACCEL_LIST
1920 $INDEV_LIST
1921 $MUXER_LIST
1922 $OUTDEV_LIST
1923 $PARSER_LIST
1924 $PROTOCOL_LIST
1925"
1926
8469ae22
MR
1927for n in $COMPONENT_LIST; do
1928 v=$(toupper ${n%s})_LIST
1929 eval enable \$$v
1930 eval ${n}_if_any="\$$v"
1931done
1932
206a070d 1933enable $ARCH_EXT_LIST
c597172e
MR
1934
1935die_unknown(){
1936 echo "Unknown option \"$1\"."
1937 echo "See $0 --help for available options."
1938 exit 1
1939}
1940
794f8e97 1941show_list() {
bf0c4afa
RP
1942 suffix=_$1
1943 shift
2b444ea7 1944 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1945 exit 0
1946}
1947
154caa67
MR
1948rand_list(){
1949 IFS=', '
1950 set -- $*
1951 unset IFS
1952 for thing; do
1953 comp=${thing%:*}
1954 prob=${thing#$comp}
1955 prob=${prob#:}
1956 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
1957 echo "prob ${prob:-0.5}"
1958 printf '%s\n' $comp
1959 done
1960}
1961
1962do_random(){
1963 action=$1
1964 shift
1965 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
1966 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
1967}
1968
c597172e 1969for opt do
7483e694
DB
1970 optval="${opt#*=}"
1971 case "$opt" in
ea061af1
DB
1972 --extra-ldflags=*)
1973 add_ldflags $optval
7e9e7cc2 1974 ;;
ea061af1
DB
1975 --extra-libs=*)
1976 add_extralibs $optval
7e9e7cc2 1977 ;;
ea061af1
DB
1978 --disable-devices)
1979 disable $INDEV_LIST $OUTDEV_LIST
7e9e7cc2 1980 ;;
ea061af1
DB
1981 --enable-debug=*)
1982 debuglevel="$optval"
7e9e7cc2
MR
1983 ;;
1984 --disable-programs)
1985 disable $PROGRAM_LIST
1986 ;;
1987 --disable-everything)
1988 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1989 ;;
844c6852
DB
1990 --disable-all)
1991 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1992 disable $LIBRARY_LIST $PROGRAM_LIST doc
1993 ;;
7e9e7cc2
MR
1994 --enable-random|--disable-random)
1995 action=${opt%%-random}
1996 do_random ${action#--} $COMPONENT_LIST
1997 ;;
1998 --enable-random=*|--disable-random=*)
1999 action=${opt%%-random=*}
2000 do_random ${action#--} $optval
2001 ;;
2002 --enable-*=*|--disable-*=*)
2003 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2004 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2005 eval list=\$$(toupper $thing)_LIST
2006 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2007 $action $(filter "$name" $list)
2008 ;;
2009 --enable-?*|--disable-?*)
2010 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2011 if is_in $option $COMPONENT_LIST; then
2012 test $action = disable && action=unset
2013 eval $action \$$(toupper ${option%s})_LIST
2014 elif is_in $option $CMDLINE_SELECT; then
2015 $action $option
2016 else
2017 die_unknown $opt
2018 fi
2019 ;;
2020 --list-*)
2021 NAME="${opt#--list-}"
2022 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2023 NAME=${NAME%s}
2024 eval show_list $NAME \$$(toupper $NAME)_LIST
2025 ;;
2026 --help|-h) show_help
2027 ;;
2028 *)
2029 optname="${opt%%=*}"
2030 optname="${optname#--}"
2031 optname=$(echo "$optname" | sed 's/-/_/g')
2032 if is_in $optname $CMDLINE_SET; then
2033 eval $optname='$optval'
2034 elif is_in $optname $CMDLINE_APPEND; then
2035 append $optname "$optval"
2036 else
2037 die_unknown $opt
2038 fi
2039 ;;
7483e694 2040 esac
c597172e
MR
2041done
2042
bcea99bb
MR
2043disabled logging && logfile=/dev/null
2044
29ba0911 2045echo "# $0 $LIBAV_CONFIGURATION" > $logfile
bcea99bb
MR
2046set >> $logfile
2047
9da6609f
MR
2048test -n "$cross_prefix" && enable cross_compile
2049
8d4c00ed
MR
2050if enabled cross_compile; then
2051 test -n "$arch" && test -n "$target_os" ||
2052 die "Must specify target arch and OS when cross-compiling"
2053fi
2054
121d78d0 2055ar_default="${cross_prefix}${ar_default}"
11e6d03a 2056cc_default="${cross_prefix}${cc_default}"
20e0ed95 2057nm_default="${cross_prefix}${nm_default}"
3f8040db 2058pkg_config_default="${cross_prefix}${pkg_config_default}"
adb2b908 2059ranlib="${cross_prefix}${ranlib}"
adb2b908 2060
c5200f17
MR
2061sysinclude_default="${sysroot}/usr/include"
2062
aeeb782c 2063case "$toolchain" in
0fbb62a8
LB
2064 clang-asan)
2065 cc_default="clang"
2066 add_cflags -faddress-sanitizer
2067 add_ldflags -faddress-sanitizer
2068 ;;
2069 clang-tsan)
2070 cc_default="clang"
2071 add_cflags -fthread-sanitizer
2072 add_ldflags -fthread-sanitizer
2073 ;;
aeeb782c
MR
2074 msvc)
2075 cc_default="c99wrap cl"
2076 ld_default="c99wrap link"
2077 nm_default="dumpbin -symbols"
ac3a9b51 2078 ar_default="lib"
53e8cd68 2079 target_os_default="win32"
aeeb782c
MR
2080 ;;
2081 ?*)
2082 die "Unknown toolchain $toolchain"
2083 ;;
2084esac
2085
53e8cd68 2086set_default arch cc pkg_config sysinclude target_os
9da6609f
MR
2087enabled cross_compile || host_cc_default=$cc
2088set_default host_cc
13c7df3d 2089
762f95e4
MR
2090if ! $pkg_config --version >/dev/null 2>&1; then
2091 warn "$pkg_config not found, library detection may fail."
2092 pkg_config=false
2093fi
2094
82bb3329
MR
2095exesuf() {
2096 case $1 in
53e8cd68 2097 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
82bb3329
MR
2098 esac
2099}
2100
2101EXESUF=$(exesuf $target_os)
2102HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 2103
e4e69e0b 2104# set temporary file name
a49d42c2 2105: ${TMPDIR:=$TEMPDIR}
c51fafa1 2106: ${TMPDIR:=$TMP}
a49d42c2 2107: ${TMPDIR:=/tmp}
e4e69e0b 2108
a210bce2 2109if ! check_cmd mktemp -u XXXXXX; then
54460a83
MR
2110 # simple replacement for missing mktemp
2111 # NOT SAFE FOR GENERAL USE
2112 mktemp(){
09a5c245 2113 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
54460a83
MR
2114 }
2115fi
2116
2117tmpfile(){
2118 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2119 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 2120 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
2121 append TMPFILES $tmp
2122 eval $1=$tmp
2123}
2124
2125trap 'rm -f -- $TMPFILES' EXIT
54460a83 2126
55127e7b 2127tmpfile TMPASM .asm
3e0b1c9a
DB
2128tmpfile TMPC .c
2129tmpfile TMPE $EXESUF
2130tmpfile TMPH .h
2131tmpfile TMPO .o
2132tmpfile TMPS .S
2133tmpfile TMPSH .sh
2134tmpfile TMPV .ver
54460a83
MR
2135
2136unset -f mktemp
e4e69e0b 2137
fb3c4ffc
MR
2138chmod +x $TMPE
2139
993f2d0f
MR
2140# make sure we can execute files in $TMPDIR
2141cat > $TMPSH 2>> $logfile <<EOF
2142#! /bin/sh
2143EOF
2144chmod +x $TMPSH >> $logfile 2>&1
2145if ! $TMPSH >> $logfile 2>&1; then
2146 cat <<EOF
2147Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2148variable to another directory and make sure that it is not mounted noexec.
2149EOF
2150 die "Sanity test failed."
2151fi
993f2d0f 2152
457cc333
MR
2153ccc_flags(){
2154 for flag; do
2155 case $flag in
2156 -std=c99) echo -c99 ;;
2157 -mcpu=*) echo -arch ${flag#*=} ;;
2158 -mieee) echo -ieee ;;
2159 -O*|-fast) echo $flag ;;
2160 -fno-math-errno) echo -assume nomath_errno ;;
2161 -g) echo -g3 ;;
2162 -Wall) echo -msg_enable level2 ;;
2163 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2164 -Wl,*) echo $flag ;;
2165 -f*|-W*) ;;
2166 *) echo $flag ;;
2167 esac
2168 done
2169}
2170
dfa559bc
RB
2171msvc_flags(){
2172 for flag; do
2173 case $flag in
2174 -fomit-frame-pointer) echo -Oy ;;
2175 -g) echo -Z7 ;;
2176 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2177 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
4a185ed2 2178 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
d66c52c2 2179 -wd4996 -wd4273 ;;
dfa559bc
RB
2180 -std=c99) ;;
2181 -fno-math-errno) ;;
2182 -fno-common) ;;
2183 -fno-signed-zeros) ;;
50640977 2184 -fPIC) ;;
dfa559bc 2185 -lz) echo zlib.lib ;;
bd680c7b
DB
2186 -lavifil32) echo vfw32.lib ;;
2187 -lavicap32) echo vfw32.lib user32.lib ;;
dfa559bc
RB
2188 -l*) echo ${flag#-l}.lib ;;
2189 *) echo $flag ;;
2190 esac
2191 done
2192}
2193
d0c6d424
MR
2194pgi_flags(){
2195 for flag; do
2196 case $flag in
643933f5 2197 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
d0c6d424
MR
2198 -fomit-frame-pointer) echo -Mnoframe ;;
2199 -g) echo -gopt ;;
2200 *) echo $flag ;;
2201 esac
2202 done
2203}
2204
2205suncc_flags(){
2206 for flag; do
2207 case $flag in
2208 -march=*|-mcpu=*)
2209 case "${flag#*=}" in
2210 native) echo -xtarget=native ;;
2211 v9|niagara) echo -xarch=sparc ;;
2212 ultrasparc) echo -xarch=sparcvis ;;
2213 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2214 i586|pentium) echo -xchip=pentium ;;
2215 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2216 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2217 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2218 pentium4*) echo -xtarget=pentium4 ;;
2219 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2220 *-sse3) echo -xarch=sse3 ;;
2221 core2) echo -xarch=ssse3 -xchip=core2 ;;
f2ce813e
SM
2222 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2223 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
b36f87ff 2224 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
d0c6d424
MR
2225 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2226 k8|opteron|athlon64|athlon-fx)
2227 echo -xarch=sse2a ;;
2228 athlon*) echo -xarch=pentium_proa ;;
2229 esac
2230 ;;
2231 -std=c99) echo -xc99 ;;
2232 -fomit-frame-pointer) echo -xregs=frameptr ;;
2233 -fPIC) echo -KPIC -xcode=pic32 ;;
2234 -W*,*) echo $flag ;;
2235 -f*-*|-W*) ;;
2236 *) echo $flag ;;
2237 esac
2238 done
2239}
2240
2241tms470_flags(){
2242 for flag; do
2243 case $flag in
2244 -march=*|-mcpu=*)
2245 case "${flag#*=}" in
2246 armv7-a|cortex-a*) echo -mv=7a8 ;;
2247 armv7-r|cortex-r*) echo -mv=7r4 ;;
2248 armv7-m|cortex-m*) echo -mv=7m3 ;;
2249 armv6*|arm11*) echo -mv=6 ;;
2250 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2251 echo -mv=5e ;;
2252 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2253 esac
2254 ;;
2255 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2256 -mfpu=vfp) echo --float_support=vfpv2 ;;
2257 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
b5198a26 2258 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
d0c6d424
MR
2259 -msoft-float) echo --float_support=vfplib ;;
2260 -O[0-3]|-mf=*) echo $flag ;;
2261 -g) echo -g -mn ;;
2262 -pds=*) echo $flag ;;
ad93dccb
MR
2263 -D*|-I*) echo $flag ;;
2264 --gcc|--abi=*) echo $flag ;;
2265 -me) echo $flag ;;
d0c6d424
MR
2266 esac
2267 done
2268}
2269
a758c5e2
MR
2270probe_cc(){
2271 pfx=$1
2272 _cc=$2
2273
8db73c61
MR
2274 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2275 unset _ld_o _ldflags _ld_lib _ld_path
18031c49 2276 unset _depflags _DEPCMD _DEPFLAGS
a758c5e2
MR
2277 _flags_filter=echo
2278
2279 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2280 _type=llvm_gcc
2281 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2282 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2283 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2284 _cflags_speed='-O3'
2285 _cflags_size='-Os'
2286 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2287 _type=gcc
2288 gcc_version=$($_cc --version | head -n1)
2289 gcc_basever=$($_cc -dumpversion)
2290 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2291 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2292 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2293 if ! $_cc -dumpversion | grep -q '^2\.'; then
2294 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2295 fi
2296 _cflags_speed='-O3'
2297 _cflags_size='-Os'
2298 elif $_cc --version 2>/dev/null | grep -q Intel; then
2299 _type=icc
2300 _ident=$($_cc --version | head -n1)
2301 _depflags='-MMD'
2302 _cflags_speed='-O3'
2303 _cflags_size='-Os'
2304 _cflags_noopt='-O1'
2305 elif $_cc -v 2>&1 | grep -q xlc; then
2306 _type=xlc
2307 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2308 _cflags_speed='-O5'
2309 _cflags_size='-O5 -qcompact'
2310 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2311 _type=ccc
2312 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2313 _DEPFLAGS='-M'
a758c5e2
MR
2314 _cflags_speed='-fast'
2315 _cflags_size='-O1'
457cc333 2316 _flags_filter=ccc_flags
a758c5e2
MR
2317 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2318 test -d "$sysroot" || die "No valid sysroot specified."
2319 _type=armcc
2320 _ident=$($_cc --vsn | head -n1)
2321 armcc_conf="$PWD/armcc.conf"
2322 $_cc --arm_linux_configure \
2323 --arm_linux_config_file="$armcc_conf" \
2324 --configure_sysroot="$sysroot" \
2325 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2326 die "Error creating armcc configuration file."
2327 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2328 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2329 as_default="${cross_prefix}gcc"
2330 _depflags='-MMD'
2331 _cflags_speed='-O3'
2332 _cflags_size='-Os'
0122118e 2333 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
a758c5e2
MR
2334 _type=tms470
2335 _ident=$($_cc -version | head -n1 | tr -s ' ')
2336 _flags='--gcc --abi=eabi -me'
18031c49 2337 _cc_e='-ppl -fe=$@'
a758c5e2 2338 _cc_o='-fe=$@'
a758c5e2
MR
2339 _depflags='-ppa -ppd=$(@:.o=.d)'
2340 _cflags_speed='-O3 -mf=5'
2341 _cflags_size='-O3 -mf=2'
2342 _flags_filter=tms470_flags
2343 elif $_cc -v 2>&1 | grep -q clang; then
2344 _type=clang
2345 _ident=$($_cc --version | head -n1)
2346 _depflags='-MMD'
2347 _cflags_speed='-O3'
2348 _cflags_size='-Os'
2349 elif $_cc -V 2>&1 | grep -q Sun; then
2350 _type=suncc
2351 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2352 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
c72f12cb 2353 _DEPFLAGS='-xM1 -xc99'
a758c5e2
MR
2354 _ldflags='-std=c99'
2355 _cflags_speed='-O5'
2356 _cflags_size='-O5 -xspace'
2357 _flags_filter=suncc_flags
2358 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2359 _type=pathscale
2360 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2361 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2362 _cflags_speed='-O2'
2363 _cflags_size='-Os'
2364 _flags_filter='filter_out -Wdisabled-optimization'
2365 elif $_cc -v 2>&1 | grep -q Open64; then
2366 _type=open64
2367 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2368 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2369 _cflags_speed='-O2'
2370 _cflags_size='-Os'
2371 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2372 elif $_cc -V 2>&1 | grep -q Portland; then
2373 _type=pgi
2374 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
8f23907f 2375 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
a758c5e2
MR
2376 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2377 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2378 _cflags_noopt="-O1"
2379 _flags_filter=pgi_flags
dfa559bc
RB
2380 elif $_cc 2>&1 | grep -q Microsoft; then
2381 _type=msvc
2382 _ident=$($cc 2>&1 | head -n1)
2383 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2384 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2385 _cflags_speed="-O2"
2386 _cflags_size="-O1"
2387 # Nonstandard output options, to avoid msys path conversion issues, relies on wrapper to remap it
2388 if $_cc 2>&1 | grep -q Linker; then
2389 _ld_o='-out $@'
2390 else
2391 _ld_o='-Fe$@'
2392 fi
2393 _cc_o='-Fo $@'
a224b2cb 2394 _cc_e='-P -Fi $@'
dfa559bc
RB
2395 _flags_filter=msvc_flags
2396 _ld_lib='lib%.a'
2397 _ld_path='-libpath:'
2398 _flags='-nologo'
2399 _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2400 if [ $pfx = hostcc ]; then
6a0200f2 2401 append _cflags -Dsnprintf=_snprintf
dfa559bc 2402 fi
aef6bd1b 2403 fi
a758c5e2
MR
2404
2405 eval ${pfx}_type=\$_type
2406 eval ${pfx}_ident=\$_ident
2407}
2408
2409set_ccvars(){
23565c26 2410 eval ${1}_C=\${_cc_c-\${${1}_C}}
18031c49 2411 eval ${1}_E=\${_cc_e-\${${1}_E}}
a758c5e2
MR
2412 eval ${1}_O=\${_cc_o-\${${1}_O}}
2413
2414 if [ -n "$_depflags" ]; then
2415 eval ${1}_DEPFLAGS=\$_depflags
2416 else
2417 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2418 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2419 eval DEP${1}FLAGS=\$_flags
2420 fi
2421}
2422
2423probe_cc cc "$cc"
2424cflags_filter=$_flags_filter
2425cflags_speed=$_cflags_speed
2426cflags_size=$_cflags_size
2427cflags_noopt=$_cflags_noopt
2428add_cflags $_flags $_cflags
2429cc_ldflags=$_ldflags
2430set_ccvars CC
2431
2432probe_cc hostcc "$host_cc"
2433host_cflags_filter=$_flags_filter
a758c5e2 2434add_host_cflags $_flags $_cflags
a758c5e2 2435set_ccvars HOSTCC
629687f6 2436
851ffa80
MR
2437test -n "$cc_type" && enable $cc_type ||
2438 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 2439
75bafbac 2440: ${as_default:=$cc}
50567afa 2441: ${dep_cc_default:=$cc}
684b28e0 2442: ${ld_default:=$cc}
095792f2
MR
2443: ${host_ld_default:=$host_cc}
2444set_default ar as dep_cc ld host_ld
75800dce 2445
a758c5e2
MR
2446probe_cc as "$as"
2447asflags_filter=$_flags_filter
2448add_asflags $_flags $_cflags
2449set_ccvars AS
2450
2451probe_cc ld "$ld"
2452ldflags_filter=$_flags_filter
2453add_ldflags $_flags $_ldflags
2454test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2763587c 2455LD_O=${_ld_o-$LD_O}
8db73c61
MR
2456LD_LIB=${_ld_lib-$LD_LIB}
2457LD_PATH=${_ld_path-$LD_PATH}
a758c5e2 2458
095792f2
MR
2459probe_cc hostld "$host_ld"
2460host_ldflags_filter=$_flags_filter
2461add_host_ldflags $_flags $_ldflags
2462HOSTLD_O=${_ld_o-$HOSTLD_O}
2463
a758c5e2
MR
2464if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2465 probe_cc depcc "$dep_cc"
2466 CCDEP=${_DEPCMD:-$DEPCMD}
2467 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2468 DEPCCFLAGS=$_flags
2469fi
07dec06e 2470
3dbc777c
MR
2471if $ar 2>&1 | grep -q Microsoft; then
2472 arflags="-nologo"
2473 ar_o='-out:$@'
2474elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2475 arflags="rq"
2476 ar_o='$@'
2477else
2478 arflags="rc"
2479 ar_o='$@'
2480fi
2481
7f32f40c 2482add_cflags $extra_cflags
2f2e6c7c 2483add_asflags $extra_cflags
7f32f40c 2484
154d432c
MR
2485if test -n "$sysroot"; then
2486 case "$cc_type" in
00ba041c 2487 gcc|llvm_gcc|clang)
467256f2 2488 add_cppflags --sysroot="$sysroot"
154d432c
MR
2489 add_ldflags --sysroot="$sysroot"
2490 ;;
6fec122a
MR
2491 tms470)
2492 add_cppflags -I"$sysinclude"
2493 add_ldflags --sysroot="$sysroot"
2494 ;;
154d432c
MR
2495 esac
2496fi
2497
d22c13a8
MR
2498if test "$cpu" = host; then
2499 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2500
2501 case "$cc_type" in
613a4e3f 2502 gcc|llvm_gcc)
d22c13a8
MR
2503 check_native(){
2504 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
b695256e 2505 sed -n "/cc1.*$1=/{
27ce1be8
MR
2506 s/.*$1=\\([^ ]*\\).*/\\1/
2507 p
2508 q
2509 }" $TMPE
d22c13a8
MR
2510 }
2511 cpu=$(check_native -march || check_native -mcpu)
2512 ;;
2513 esac
2514
2515 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2516fi
2517
e939cedd
MR
2518# Deal with common $arch aliases
2519case "$arch" in
5873b623
MR
2520 aarch64|arm64)
2521 arch="aarch64"
2522 ;;
e939cedd
MR
2523 arm*)
2524 arch="arm"
2525 ;;
2acda282 2526 mips*|IP*)
e939cedd
MR
2527 arch="mips"
2528 ;;
a6e9d649 2529 parisc*|hppa*)
e939cedd
MR
2530 arch="parisc"
2531 ;;
56203596 2532 "Power Macintosh"|ppc*|powerpc*)
e939cedd
MR
2533 arch="ppc"
2534 ;;
e939cedd
MR
2535 s390|s390x)
2536 arch="s390"
2537 ;;
2538 sh4|sh)
2539 arch="sh4"
2540 ;;
4cd217c0 2541 sun4u|sparc*)
e939cedd 2542 arch="sparc"
e939cedd 2543 ;;
c75848cd
DB
2544 tilegx|tile-gx)
2545 arch="tilegx"
2546 ;;
d33ed7b3 2547 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
e939cedd
MR
2548 arch="x86"
2549 ;;
2550esac
2551
851ffa80 2552is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 2553enable $arch
e939cedd 2554
df5cdc24 2555# Add processor-specific flags
9ebd45c2 2556if enabled aarch64; then
33db40f8
MR
2557
2558 case $cpu in
2559 armv*)
2560 cpuflags="-march=$cpu"
2561 ;;
2562 *)
2563 cpuflags="-mcpu=$cpu"
2564 ;;
2565 esac
2566
2567elif enabled alpha; then
2568
2569 cpuflags="-mcpu=$cpu"
2570
2571elif enabled arm; then
2572
1234c66a
MR
2573 check_arm_arch() {
2574 check_cpp_condition stddef.h \
2575 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
2576 $cpuflags
2577 }
2578
2579 probe_arm_arch() {
2580 if check_arm_arch 4; then echo armv4;
2581 elif check_arm_arch 4T; then echo armv4t;
2582 elif check_arm_arch 5; then echo armv5;
2583 elif check_arm_arch 5E; then echo armv5e;
2584 elif check_arm_arch 5T; then echo armv5t;
2585 elif check_arm_arch 5TE; then echo armv5te;
2586 elif check_arm_arch 5TEJ; then echo armv5te;
2587 elif check_arm_arch 6; then echo armv6;
2588 elif check_arm_arch 6J; then echo armv6j;
2589 elif check_arm_arch 6K; then echo armv6k;
2590 elif check_arm_arch 6Z; then echo armv6z;
2591 elif check_arm_arch 6ZK; then echo armv6zk;
2592 elif check_arm_arch 6T2; then echo armv6t2;
2593 elif check_arm_arch 7; then echo armv7;
2594 elif check_arm_arch 7A 7_A; then echo armv7-a;
2595 elif check_arm_arch 7R 7_R; then echo armv7-r;
2596 elif check_arm_arch 7M 7_M; then echo armv7-m;
2597 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
2598 elif check_arm_arch 8A 8_A; then echo armv8-a;
2599 fi
2600 }
2601
2602 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
2603
33db40f8
MR
2604 case $cpu in
2605 armv*)
2606 cpuflags="-march=$cpu"
2607 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2608 ;;
2609 *)
2610 cpuflags="-mcpu=$cpu"
2611 case $cpu in
2612 cortex-a*) subarch=armv7a ;;
2613 cortex-r*) subarch=armv7r ;;
2614 cortex-m*) enable thumb; subarch=armv7m ;;
2615 arm11*) subarch=armv6 ;;
2616 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2617 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
1234c66a 2618 *) subarch=$(probe_arm_arch) ;;
33db40f8
MR
2619 esac
2620 ;;
2621 esac
2622
f0fe245b
MR
2623 case "$subarch" in
2624 armv5t*) enable fast_clz ;;
2625 armv[6-8]*) enable fast_clz fast_unaligned ;;
2626 esac
2627
33db40f8
MR
2628elif enabled avr32; then
2629
2630 case $cpu in
2631 ap7[02]0[0-2])
2632 subarch="avr32_ap"
2633 cpuflags="-mpart=$cpu"
2634 ;;
2635 ap)
2636 subarch="avr32_ap"
2637 cpuflags="-march=$cpu"
2638 ;;
2639 uc3[ab]*)
2640 subarch="avr32_uc"
2641 cpuflags="-mcpu=$cpu"
2642 ;;
2643 uc)
2644 subarch="avr32_uc"
2645 cpuflags="-march=$cpu"
2646 ;;
2647 esac
2648
2649elif enabled bfin; then
2650
2651 cpuflags="-mcpu=$cpu"
2652
2653elif enabled mips; then
2654
2655 cpuflags="-march=$cpu"
2656
5d54c126 2657elif enabled ppc; then
343aef9b 2658
56348891
MR
2659 case $(tolower $cpu) in
2660 601|ppc601|powerpc601)
9dbd5c3d 2661 cpuflags="-mcpu=601"
64ad53ff 2662 disable altivec
9dbd5c3d 2663 ;;
56348891 2664 603*|ppc603*|powerpc603*)
9dbd5c3d 2665 cpuflags="-mcpu=603"
64ad53ff 2666 disable altivec
9dbd5c3d 2667 ;;
56348891 2668 604*|ppc604*|powerpc604*)
9dbd5c3d 2669 cpuflags="-mcpu=604"
64ad53ff 2670 disable altivec
9dbd5c3d 2671 ;;
56348891 2672 g3|75*|ppc75*|powerpc75*)
7f1fcaf0 2673 cpuflags="-mcpu=750"
64ad53ff 2674 disable altivec
9dbd5c3d 2675 ;;
56348891 2676 g4|745*|ppc745*|powerpc745*)
7f1fcaf0 2677 cpuflags="-mcpu=7450"
9dbd5c3d 2678 ;;
56348891 2679 74*|ppc74*|powerpc74*)
7f1fcaf0 2680 cpuflags="-mcpu=7400"
9dbd5c3d 2681 ;;
313f9fbf 2682 g5|970|ppc970|powerpc970)
7f1fcaf0 2683 cpuflags="-mcpu=970"
9dbd5c3d 2684 ;;
313f9fbf 2685 power[3-7]*)
7f1fcaf0 2686 cpuflags="-mcpu=$cpu"
313f9fbf 2687 ;;
56348891 2688 cell)
9dbd5c3d
MR
2689 cpuflags="-mcpu=cell"
2690 enable ldbrx
2691 ;;
4ab26cb4
DB
2692 e500mc)
2693 cpuflags="-mcpu=e500mc"
2694 disable altivec
2695 ;;
7b0b81a1
AL
2696 e500v2)
2697 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2698 disable altivec
2699 ;;
2700 e500)
2701 cpuflags="-mcpu=8540 -mhard-float"
2702 disable altivec
2703 ;;
9dbd5c3d 2704 esac
343aef9b 2705
33db40f8
MR
2706elif enabled sparc; then
2707
2708 case $cpu in
2709 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
2710 cpuflags="-mcpu=$cpu"
2711 disable vis
2712 ;;
2713 ultrasparc*|niagara[234])
2714 cpuflags="-mcpu=$cpu"
2715 ;;
2716 esac
2717
343aef9b
MR
2718elif enabled x86; then
2719
9dbd5c3d
MR
2720 case $cpu in
2721 i[345]86|pentium)
2722 cpuflags="-march=$cpu"
2723 disable mmx
2724 ;;
2725 # targets that do NOT support conditional mov (cmov)
2726 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2727 cpuflags="-march=$cpu"
2728 disable cmov
2729 ;;
2730 # targets that do support conditional mov (cmov)
f2ce813e 2731 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
9dbd5c3d
MR
2732 cpuflags="-march=$cpu"
2733 enable cmov
2734 enable fast_cmov
2735 ;;
2736 # targets that do support conditional mov but on which it's slow
2737 pentium4|pentium4m|prescott|nocona)
2738 cpuflags="-march=$cpu"
2739 enable cmov
2740 disable fast_cmov
2741 ;;
2742 esac
343aef9b 2743
343aef9b
MR
2744fi
2745
9ebd45c2
MR
2746if [ "$cpu" != generic ]; then
2747 add_cflags $cpuflags
2748 add_asflags $cpuflags
2749fi
df5cdc24 2750
993f2d0f
MR
2751# compiler sanity check
2752check_exec <<EOF
2753int main(void){ return 0; }
2754EOF
2755if test "$?" != 0; then
2756 echo "$cc is unable to create an executable file."
2757 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2758 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2759 echo "Only do this if you know what cross compiling means."
2760 fi
2761 die "C compiler test failed."
2762fi
2763
046f081b 2764add_cppflags -D_ISOC99_SOURCE
e9b9a2f8 2765check_cflags -std=c99
50a334e4 2766check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2767#include <stdlib.h>
2768EOF
50a334e4 2769check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2770#include <stdlib.h>
2771EOF
e9b9a2f8 2772
f0125de9 2773check_host_cflags -std=c99
0a6db2a2 2774check_host_cflags -Wall
f0125de9 2775
d4c99513
MR
2776check_64bit(){
2777 arch32=$1
2778 arch64=$2
2779 expr=$3
2780 check_code cc "" "int test[2*($expr) - 1]" &&
2781 subarch=$arch64 || subarch=$arch32
2782}
2783
b24dbcbd 2784case "$arch" in
4cd217c0 2785 alpha|ia64)
2acda282
MR
2786 spic=$shared
2787 ;;
2788 mips)
2789 check_64bit mips mips64 '_MIPS_SIM > 1'
8a3c8627 2790 spic=$shared
b24dbcbd 2791 ;;
a6e9d649
MR
2792 parisc)
2793 check_64bit parisc parisc64 'sizeof(void *) > 4'
2794 spic=$shared
2795 ;;
56203596
MR
2796 ppc)
2797 check_64bit ppc ppc64 'sizeof(void *) > 4'
1944d532 2798 spic=$shared
56203596 2799 ;;
4cd217c0
MR
2800 sparc)
2801 check_64bit sparc sparc64 'sizeof(void *) > 4'
2802 spic=$shared
2803 ;;
e939cedd 2804 x86)
d4c99513 2805 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
de27f4d9 2806 if test "$subarch" = "x86_64"; then
e939cedd 2807 spic=$shared
de27f4d9 2808 fi
b24dbcbd 2809 ;;
b24dbcbd
RP
2810esac
2811
343aef9b 2812enable $subarch
8a3c8627 2813enabled spic && enable pic
b24dbcbd 2814
7483e694 2815# OS specific
4f854758 2816case $target_os in
a1629e28 2817 haiku)
63ae7e7c 2818 prefix_default="/boot/common"
108caaaa 2819 network_extralibs="-lnetwork"
f59c4bd6 2820 host_libs=
a1629e28 2821 ;;
7483e694 2822 sunos)
4d58e4cb 2823 AVSERVERLDFLAGS=""
9987769a 2824 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2825 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2826 network_extralibs="-lsocket -lnsl"
779222db 2827 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
87a74f47
SM
2828 # When using suncc to build, the Solaris linker will mark
2829 # an executable with each instruction set encountered by
2830 # the Solaris assembler. As our libraries contain their own
2831 # guards for processor-specific code, instead suppress
2832 # generation of the HWCAPS ELF section on Solaris x86 only.
2833 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2a8a860a 2834 nm_default='nm -P -g'
7483e694
DB
2835 ;;
2836 netbsd)
a1e4b3f6 2837 disable symver
07a8eef6
MR
2838 oss_indev_extralibs="-lossaudio"
2839 oss_outdev_extralibs="-lossaudio"
7483e694 2840 ;;
d488c3bc 2841 openbsd|bitrig)
7c4a001a 2842 # On OpenBSD 4.5. the compiler does not use PIC unless
070c5d0f 2843 # explicitly using -fPIC. Libav builds fine without PIC,
7c4a001a
MR
2844 # however the generated executable will not do anything
2845 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2846 # Thus explicitly enable PIC here.
cd78208b 2847 enable pic
a1e4b3f6 2848 disable symver
7483e694 2849 SHFLAGS='-shared'
d5683aba
BS
2850 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBVERSION)'
2851 SLIB_INSTALL_LINKS=
07a8eef6
MR
2852 oss_indev_extralibs="-lossaudio"
2853 oss_outdev_extralibs="-lossaudio"
7483e694 2854 ;;
a1e4b3f6 2855 dragonfly)
a1e4b3f6
MR
2856 disable symver
2857 ;;
2858 freebsd)
7483e694
DB
2859 ;;
2860 bsd/os)
355d81df 2861 add_extralibs -lpoll -lgnugetopt
7483e694
DB
2862 ;;
2863 darwin)
301ab19d 2864 gas="gas-preprocessor.pl $cc"
e08b8239 2865 enabled ppc && add_asflags -force_cpusubtype_ALL
49e35f49 2866 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
dff68563 2867 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
355d81df 2868 add_ldflags -Wl,-dynamic,-search_paths_first
7483e694
DB
2869 SLIBSUF=".dylib"
2870 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2871 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4d58e4cb 2872 AVSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2873 objformat="macho"
1b0f6fb8 2874 enabled x86_64 && objformat="macho64"
8dfa86f7 2875 enabled_any pic shared ||
2704bd1a 2876 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2877 ;;
2878 mingw32*)
9d3f4f50 2879 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2880 disable network
2881 else
2882 target_os=mingw32
2883 fi
dcc01c06 2884 LIBTARGET=i386
1fc9fb8a 2885 if enabled x86_64; then
417516f6 2886 LIBTARGET="i386:x86-64"
336cc1b0 2887 elif enabled arm; then
15c5156d 2888 LIBTARGET=arm-wince
dcc01c06 2889 fi
fbd971a4 2890 shlibdir_default="$bindir_default"
7483e694
DB
2891 SLIBPREF=""
2892 SLIBSUF=".dll"
7483e694
DB
2893 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2894 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
eb7018d2 2895 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2f138f0b
MR
2896 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2897 SLIB_INSTALL_LINKS=
2898 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2899 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
eb7018d2 2900 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2901 objformat="win32"
ec10a9ab 2902 dlltool="${cross_prefix}dlltool"
a3222470 2903 ranlib=:
bc574408 2904 enable dos_paths
5666a9f2 2905 add_cppflags -U__STRICT_ANSI__
7483e694 2906 ;;
53e8cd68 2907 win32|win64)
d66c52c2
MS
2908 if enabled shared; then
2909 # Link to the import library instead of the normal static library
2910 # for shared libs.
2911 LD_LIB='%.lib'
2912 # Cannot build shared and static libraries at the same time with
2913 # MSVC.
2914 disable static
2915 fi
2916 shlibdir_default="$bindir_default"
2917 SLIBPREF=""
2918 SLIBSUF=".dll"
2919 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2920 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2921 SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
2922 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2923 SLIB_INSTALL_LINKS=
2924 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2925 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2926 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
53e8cd68
MS
2927 objformat="win32"
2928 ranlib=:
2929 enable dos_paths
2930 ;;
7483e694 2931 cygwin*)
4f854758 2932 target_os=cygwin
fbd971a4 2933 shlibdir_default="$bindir_default"
7483e694
DB
2934 SLIBPREF="cyg"
2935 SLIBSUF=".dll"
2936 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2937 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
f5d2c597
YS
2938 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2939 SLIB_INSTALL_LINKS=
2940 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
2941 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
304d586d 2942 objformat="win32"
bc574408 2943 enable dos_paths
7483e694 2944 ;;
4f365f37 2945 *-dos|freedos|opendos)
4f365f37 2946 network_extralibs="-lsocket"
ff1c015d 2947 objformat="coff"
bc574408 2948 enable dos_paths
a7a187a1 2949 add_cppflags -U__STRICT_ANSI__
4f365f37 2950 ;;
7483e694 2951 linux)
7483e694
DB
2952 enable dv1394
2953 ;;
2954 irix*)
4f854758 2955 target_os=irix
7483e694
DB
2956 ranlib="echo ignoring ranlib"
2957 ;;
d22e8442 2958 os/2*)
d22e8442 2959 ln_s="cp -f"
9297f1ed 2960 objformat="aout"
e14574eb 2961 add_cppflags -D_GNU_SOURCE
355d81df 2962 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
71c61f62 2963 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4d58e4cb 2964 AVSERVERLDFLAGS=""
287d3b13 2965 LIBSUF="_s.a"
d22e8442
DY
2966 SLIBPREF=""
2967 SLIBSUF=".dll"
2968 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2969 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62 2970 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
f69f51b3
DB
2971 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2972 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2973 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2974 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2975 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
71c61f62 2976 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
f69f51b3 2977 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2f138f0b 2978 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
bc574408 2979 enable dos_paths
d22e8442 2980 ;;
83993c1c 2981 gnu/kfreebsd)
3bd1eacd 2982 add_cppflags -D_BSD_SOURCE
83993c1c 2983 ;;
34e82167 2984 gnu)
34e82167 2985 ;;
d33ed7b3
MR
2986 qnx)
2987 add_cppflags -D_QNX_SOURCE
2988 network_extralibs="-lsocket"
2989 ;;
1c69c79f
MS
2990 symbian)
2991 SLIBSUF=".dll"
2992 enable dos_paths
e3bc07f4
MS
2993 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2994 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2995 add_ldflags -Wl,--target1-abs,--no-undefined \
2996 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2997 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2998 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2999 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3000 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
1c69c79f 3001 ;;
fdd66609
MR
3002 osf1)
3003 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3004 AVSERVERLDFLAGS=
3005 ;;
741a8b72
MR
3006 minix)
3007 ;;
4ebc6a74
MR
3008 plan9)
3009 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3010 -D_REENTRANT_SOURCE \
3011 -D_RESEARCH_SOURCE \
3012 -DFD_SETSIZE=96 \
3013 -DHAVE_SOCK_OPTS
3014 add_compat strtod.o strtod=avpriv_strtod
3015 network_extralibs='-lbsd'
3016 exeobjs=compat/plan9/main.o
3017 disable avserver
3018 ln_s='ln -s -f'
3019 cp_f='cp'
3020 ;;
614d8911
MR
3021 none)
3022 ;;
7483e694 3023 *)
4f924f9a 3024 die "Unknown OS '$target_os'."
7483e694
DB
3025 ;;
3026esac
3027
b797f3c4
MR
3028# determine libc flavour
3029
3030if check_cpp_condition features.h "defined __UCLIBC__"; then
3031 libc_type=uclibc
3bd1eacd 3032 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
b797f3c4
MR
3033elif check_cpp_condition features.h "defined __GLIBC__"; then
3034 libc_type=glibc
3bd1eacd 3035 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
b797f3c4
MR
3036elif check_header _mingw.h; then
3037 libc_type=mingw
3038 check_cpp_condition _mingw.h \
3039 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3040 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3041 die "ERROR: MinGW runtime version must be >= 3.15."
3042elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3043 libc_type=newlib
8f7b814f 3044 add_cppflags -U__STRICT_ANSI__
4fa661a8
RB
3045elif check_func_headers stdlib.h _get_doserrno; then
3046 libc_type=msvcrt
84e65c76
MR
3047 add_compat strtod.o strtod=avpriv_strtod
3048 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3049 _snprintf=avpriv_snprintf \
3050 vsnprintf=avpriv_vsnprintf
b797f3c4
MR
3051elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3052 libc_type=klibc
3053fi
3054
3055test -n "$libc_type" && enable $libc_type
3056
5ab432fa
MR
3057# hacks for compiler/libc/os combinations
3058
3059if enabled_all tms470 glibc; then
b6f8d635 3060 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
5ab432fa
MR
3061 add_cppflags -D__USER_LABEL_PREFIX__=
3062 add_cppflags -D__builtin_memset=memset
3063 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3064 add_cflags -pds=48 # incompatible redefinition of macro
3065fi
3066
457cc333
MR
3067if enabled_all ccc glibc; then
3068 add_ldflags -Wl,-z,now # calls to libots crash without this
3069fi
3070
6555acad
MR
3071esc(){
3072 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3073}
3074
3075echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
db7515fd 3076
13cb2187
AS
3077check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
3078
c9d19248 3079set_default $PATHS_LIST
2a8a860a 3080set_default nm
c9d19248 3081
320d060a 3082# we need to build at least one lib type
93b3c083 3083if ! enabled_any static shared; then
320d060a
DB
3084 cat <<EOF
3085At least one library type must be built.
3086Specify --enable-static to build the static libraries or --enable-shared to
3087build the shared libraries as well. To only build the shared libraries specify
3088--disable-static in addition to --enable-shared.
3089EOF
3090 exit 1;
3091fi
3092
2184c6f7 3093die_license_disabled() {
4c27207c 3094 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
3095}
3096
e417d80d 3097die_license_disabled gpl libcdio
2184c6f7 3098die_license_disabled gpl libx264
de295976 3099die_license_disabled gpl libxavs
2184c6f7 3100die_license_disabled gpl libxvid
2184c6f7
DB
3101die_license_disabled gpl x11grab
3102
2f7ae63b 3103die_license_disabled nonfree libfaac
87246953 3104die_license_disabled nonfree libfdk_aac
a060866f 3105die_license_disabled nonfree openssl
b2e3c528 3106
0b175caa
DB
3107die_license_disabled version3 libopencore_amrnb
3108die_license_disabled version3 libopencore_amrwb
d89e738a 3109die_license_disabled version3 libvo_aacenc
f502ff3f 3110die_license_disabled version3 libvo_amrwbenc
0b175caa 3111
9cad0e4e 3112enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 3113
40617a6d 3114disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 3115
e276d9e8
MR
3116enable_pic() {
3117 enable pic
bce7b696
MR
3118 add_cppflags -DPIC
3119 add_cflags -fPIC
3120 add_asflags -fPIC
e276d9e8
MR
3121}
3122
3123enabled pic && enable_pic
bce7b696 3124
b4d96ba2
MR
3125check_cc <<EOF || die "Symbol mangling check failed."
3126int ff_extern;
3127EOF
2a8a860a 3128sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
3129extern_prefix=${sym%%ff_extern*}
3130
afb5ed55 3131check_cc <<EOF && enable_weak inline_asm
f65883c8
MR
3132void foo(void) { __asm__ volatile ("" ::); }
3133EOF
61d251db 3134
df5e3978
MR
3135_restrict=
3136for restrict_keyword in restrict __restrict__ __restrict; do
3137 check_cc <<EOF && _restrict=$restrict_keyword && break
3138void foo(char * $restrict_keyword p);
3139EOF
3140done
3141
3142check_cc <<EOF && enable attribute_packed
3143struct { int x; } __attribute__((packed)) x;
3144EOF
3145
dffb41b9
MR
3146check_cc <<EOF && enable attribute_may_alias
3147union { int x; } __attribute__((may_alias)) x;
3148EOF
3149
df5e3978
MR
3150check_cc <<EOF || die "endian test failed"
3151unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3152EOF
48fc536a 3153od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 3154
e939cedd
MR
3155if enabled alpha; then
3156
3157 check_cflags -mieee
3158
3159elif enabled arm; then
e45391bb 3160
66371c28 3161 check_cpp_condition stddef.h "defined __thumb__" && enable_weak thumb
8986fddc 3162 enabled thumb && check_cflags -mthumb || check_cflags -marm
301ab19d 3163 nogas=die
50fa82e6 3164
44caaa56
MR
3165 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3166 enable vfp_args
3167 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3168 case "${cross_prefix:-$cc}" in
3169 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3170 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
fa0912fe
MR
3171__asm__ (".eabi_attribute 28, 1");
3172int main(void) { return 0; }
3173EOF
44caaa56
MR
3174 esac
3175 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3176 fi
fa0912fe 3177
7f2b3dca
MR
3178 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
3179 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
3180 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
7f2b3dca 3181 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
b3267559 3182 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
7f2b3dca
MR
3183 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
3184
b57c1da8
MR
3185 [ $target_os = linux ] ||
3186 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
3187 $ARCH_EXT_LIST_ARM
e45391bb 3188
575db883
DB
3189 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3190 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
6308729e 3191
e276d9e8
MR
3192 enabled_all armv6t2 shared !pic && enable_pic
3193
fa0912fe 3194elif enabled mips; then
e45391bb 3195
575db883 3196 check_inline_asm loongson '"dmult.g $1, $2, $3"'
e45391bb 3197
5af530f5
MR
3198elif enabled parisc; then
3199
3200 if enabled gcc; then
3201 case $($cc -dumpversion) in
3202 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
3203 esac
3204 fi
3205
fa0912fe 3206elif enabled ppc; then
e45391bb 3207
e6a0c354
MR
3208 enable local_aligned_8 local_aligned_16
3209
575db883
DB
3210 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
3211 check_inline_asm ibm_asm '"add 0, 0, 0"'
3212 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
3213 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
3214
3215 # AltiVec flags: The FSF version of GCC differs from the Apple version
3216 if enabled altivec; then
301ab19d 3217 nogas=warn
fa0912fe
MR
3218 check_cflags -maltivec -mabi=altivec &&
3219 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3220 check_cflags -faltivec
3221
3222 # check if our compiler supports Motorola AltiVec C API
3223 check_cc <<EOF || disable altivec
3224$inc_altivec_h
3225int main(void) {
20bcce50
MR
3226 vector signed int v1 = (vector signed int) { 0 };
3227 vector signed int v2 = (vector signed int) { 1 };
3228 v1 = vec_add(v1, v2);
fa0912fe
MR
3229 return 0;
3230}
3231EOF
3232
20bcce50 3233 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
fa0912fe 3234 fi
e45391bb 3235
fa0912fe 3236elif enabled sparc; then
e45391bb 3237
6aa93689 3238 enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
e45391bb 3239
fa0912fe 3240elif enabled x86; then
e45391bb 3241
8e85ba8d
DB
3242 check_code ld intrin.h "__rdtsc()" && enable rdtsc
3243
f80ddd5b
RB
3244 check_code ld mmintrin.h "_mm_empty()" && enable mm_empty
3245
e6a0c354
MR
3246 enable local_aligned_8 local_aligned_16
3247
44965991
PI
3248 # check whether EBP is available on x86
3249 # As 'i' is stored on the stack, this program will crash
3250 # if the base pointer is used to access it because the
3251 # base pointer is cleared in the inline assembly code.
7dfef245 3252 check_exec_crash <<EOF && enable ebp_available
f69f51b3
DB
3253volatile int i=0;
3254__asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
3255return i;
44965991
PI
3256EOF
3257
f494213c 3258 # check whether EBX is available on x86
575db883
DB
3259 check_inline_asm ebx_available '""::"b"(0)' &&
3260 check_inline_asm ebx_available '"":::"%ebx"'
8e380710 3261
6f74fb03 3262 # check whether xmm clobbers are supported
575db883 3263 check_inline_asm xmm_clobbers '"":::"%xmm0"'
6f74fb03 3264
239fdf1b 3265 # check whether binutils is new enough to compile SSSE3/MMXEXT
43b73d59
DB
3266 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
3267 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
6bd859d6 3268
9cca1e40 3269 if ! disabled_any asm mmx yasm; then
b6c06894
MR
3270 if check_cmd $yasmexe --version; then
3271 enabled x86_64 && yasm_extra="-m amd64"
3272 yasm_debug="-g dwarf2"
3273 elif check_cmd nasm -v; then
3274 yasmexe=nasm
3275 yasm_debug="-g -F dwarf"
3276 enabled x86_64 && test "$objformat" = elf && objformat=elf64
3277 fi
3278
3279 YASMFLAGS="-f $objformat $yasm_extra"
3280 enabled pic && append YASMFLAGS "-DPIC"
3281 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
3282 case "$objformat" in
3283 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3284 esac
3285
b8e8a07c 3286 check_yasm "vextractf128 xmm0, ymm0, 0" && enable yasm ||
25432e85 3287 die "yasm not found, use --disable-yasm for a crippled build"
43b73d59 3288 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
180d43bc 3289 check_yasm "CPU amdnop" && enable cpunop
31a0dcb2 3290 fi
e45391bb 3291
669b5583
MR
3292 case "$cpu" in
3293 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3294 disable fast_clz
3295 ;;
3296 esac
3297
44965991
PI
3298fi
3299
301ab19d
MR
3300if enabled asm; then
3301 as=${gas:=$as}
7fd90119 3302 check_as <<EOF && enable gnu_as || \
301ab19d 3303 $nogas "GNU assembler not found, install gas-preprocessor"
7fd90119
MR
3304.macro m n
3305\n: .int 0
3306.endm
3307m x
3308EOF
301ab19d
MR
3309fi
3310
4a7e068b
MR
3311check_ldflags -Wl,--as-needed
3312
a98bb16d
RP
3313if check_func dlopen; then
3314 ldl=
3315elif check_func dlopen -ldl; then
3316 ldl=-ldl
8bf5d58f
MN
3317fi
3318
998c1ee1 3319if ! disabled network; then
54fe299b
DV
3320 check_type "sys/types.h sys/socket.h" socklen_t
3321 check_type netdb.h "struct addrinfo"
75d339e0
MS
3322 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
3323 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
54fe299b
DV
3324 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3325 check_type netinet/in.h "struct sockaddr_in6"
cdee08e3 3326 check_type poll.h "struct pollfd"
54fe299b
DV
3327 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3328 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
83c93fe7 3329 check_type netinet/sctp.h "struct sctp_event_subscribe"
f06dee77 3330 check_func getaddrinfo $network_extralibs
c3e73100