configure: Move newlib libc check before mingw libc check
[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 199 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
3f111804 200 --enable-libvpx enable VP8 and VP9 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
43e0e0c4
LB
1202 cdio_paranoia_h
1203 cdio_paranoia_paranoia_h
ecf97f22 1204 closesocket
1ac9331a 1205 cmov
15caccb9 1206 CommandLineToArgvW
180d43bc 1207 cpunop
1093383d 1208 CryptGenRandom
c88f5d72 1209 dcbzl
f8aa696f
DB
1210 dev_bktr_ioctl_bt848_h
1211 dev_bktr_ioctl_meteor_h
1212 dev_ic_bt8xx_h
f8aa696f 1213 dev_video_bktr_ioctl_bt848_h
3e0b1c9a 1214 dev_video_meteor_ioctl_meteor_h
ca6b544a 1215 direct_h
18b67ae5 1216 dlfcn_h
c88f5d72 1217 dlopen
bc574408 1218 dos_paths
fa845061 1219 dxva_h
245626d0
DB
1220 ebp_available
1221 ebx_available
c2a29455 1222 fast_64bit
669b5583 1223 fast_clz
7073e9fc 1224 fast_cmov
534a2231 1225 fcntl
9d99cc5a 1226 fork
84882df6 1227 getaddrinfo
da9e86f8 1228 gethrtime
667fb97a 1229 getopt
02e8f427 1230 GetProcessAffinityMask
fc5607f8 1231 GetProcessMemoryInfo
4e68cb8a 1232 GetProcessTimes
61183b5a 1233 GetSystemTimeAsFileTime
66be5b45 1234 getrusage
c3e73100 1235 getservbyport
61183b5a 1236 gettimeofday
a49d3025 1237 gnu_as
c7df1532 1238 gsm_h
2f0c136e 1239 ibm_asm
2e1913b1 1240 inet_aton
3b1ab197 1241 io_h
abfc8d05 1242 isatty
8772997d 1243 jack_port_get_latency_range
9f5ff83f 1244 ldbrx
0b4a1821
AS
1245 libdc1394_1
1246 libdc1394_2
d96cd429
MR
1247 local_aligned_16
1248 local_aligned_8
a5b64584 1249 localtime_r
85dd97ad 1250 loongson
f8aa696f
DB
1251 machine_ioctl_bt848_h
1252 machine_ioctl_meteor_h
c88f5d72 1253 malloc_h
73f6d31e 1254 MapViewOfFile
c88f5d72 1255 memalign
6ffa87d3 1256 mkstemp
f80ddd5b 1257 mm_empty
0328b9ea 1258 mmap
e98b02de 1259 mprotect
4fa661a8 1260 msvcrt
d3d3a32c 1261 nanosleep
3e0b1c9a 1262 poll_h
1f91cdce 1263 posix_memalign
07b28702 1264 rdtsc
ea4d5f48 1265 sched_getaffinity
c88f5d72
MR
1266 sdl
1267 sdl_video_size
7e6a11bc 1268 SetConsoleTextAttribute
b507ebd1 1269 setmode
3e0b1c9a 1270 setrlimit
d3d3a32c 1271 Sleep
15d59d2c 1272 sndio_h
72be9e73 1273 socklen_t
deb29777 1274 soundcard_h
87958234 1275 strerror_r
6379900c 1276 strptime
47941088 1277 strtok_r
c0018613 1278 struct_addrinfo
75d339e0
MS
1279 struct_group_source_req
1280 struct_ip_mreq_source
b4d68544 1281 struct_ipv6_mreq
cdee08e3 1282 struct_pollfd
3e0b1c9a 1283 struct_rusage_ru_maxrss
b4d68544 1284 struct_sockaddr_in6
3b2372bf 1285 struct_sockaddr_sa_len
33a4dbdd 1286 struct_sockaddr_storage
a6a4793d 1287 struct_v4l2_frmivalenum_discrete
b462d132 1288 symver_asm_label
3e0b1c9a 1289 symver_gnu_asm
bcc73960 1290 sysconf
b9e22269 1291 sysctl
b58412f1 1292 sys_mman_h
06bb5905 1293 sys_param_h
b091aa44 1294 sys_resource_h
81644c2e 1295 sys_select_h
deb29777 1296 sys_soundcard_h
e64bceea 1297 sys_time_h
1b6e8b73 1298 sys_videoio_h
b265431e 1299 threads
542920b7 1300 unistd_h
d3d3a32c 1301 usleep
ce742de2 1302 vfp_args
7c5bfe7a 1303 VirtualAlloc
d3d3a32c 1304 windows_h
6ff3f3e7 1305 winsock2_h
cc078b5d 1306 xform_asm
6f74fb03 1307 xmm_clobbers
0cb78cef 1308"
44161118 1309
511cf612 1310# options emitted with CONFIG_ prefix but not available on the command line
b6bb00b0 1311CONFIG_EXTRA="
87849592 1312 aandcttables
bfe9f48a 1313 ac3dsp
c292f6a2 1314 error_resilience
bfe9f48a 1315 gcrypt
478fd534 1316 golomb
9cad0e4e 1317 gplv3
478fd534
DB
1318 h264chroma
1319 h264dsp
1320 h264pred
915a2a0a 1321 h264qpel
478fd534 1322 huffman
9cad0e4e 1323 lgplv3
478fd534 1324 lpc
1e164c0b 1325 mpegaudio
bfe9f48a 1326 mpegaudiodsp
18bbca1f 1327 mpegvideo
ad08dfd5 1328 mpegvideoenc
bfe9f48a 1329 nettle
f704a079 1330 rangecoder
bfe9f48a 1331 rtpdec
5ad2f0bf 1332 rtpenc_chain
bfe9f48a 1333 sinewin
8c53d39e 1334 videodsp
ab9f9876 1335 vp3dsp
b6bb00b0
MR
1336"
1337
520cc7f1 1338CMDLINE_SELECT="
3f5b56e5 1339 $ARCH_EXT_LIST
520cc7f1 1340 $CONFIG_LIST
fd712a55 1341 $HAVE_LIST_CMDLINE
8eee7025 1342 $THREADS_LIST
c8a4ae00 1343 asm
db6107b6 1344 cross_compile
520cc7f1
MR
1345 debug
1346 extra_warnings
8c6afa4d 1347 logging
65d12900 1348 lto
d2bbb2f7 1349 optimizations
520cc7f1 1350"
426be5dc
DB
1351
1352PATHS_LIST='
d156bede 1353 bindir
14a8acf1 1354 datadir
26759c44
MR
1355 incdir
1356 libdir
26759c44
MR
1357 mandir
1358 prefix
1359 shlibdir
426be5dc
DB
1360'
1361
1362CMDLINE_SET="
1363 $PATHS_LIST
121d78d0 1364 ar
426be5dc 1365 arch
313c46a6 1366 as
426be5dc
DB
1367 build_suffix
1368 cc
1369 cpu
1370 cross_prefix
50567afa 1371 dep_cc
ac63af34 1372 extra_version
9da6609f
MR
1373 host_cc
1374 host_cflags
095792f2 1375 host_ld
9da6609f
MR
1376 host_ldflags
1377 host_libs
82bb3329 1378 host_os
684b28e0 1379 ld
426be5dc 1380 logfile
4ae40685 1381 malloc_prefix
89641463 1382 nm
9cd7b854 1383 optflags
3f8040db 1384 pkg_config
154caa67 1385 random_seed
2fad0977 1386 samples
c5200f17
MR
1387 sysinclude
1388 sysroot
a7ada2ba 1389 target_exec
26759c44 1390 target_os
a7ada2ba 1391 target_path
aeeb782c 1392 toolchain
426be5dc 1393"
520cc7f1 1394
89f2932b
MR
1395CMDLINE_APPEND="
1396 extra_cflags
1397"
1398
912f3148
DB
1399# code dependency declarations
1400
9eeed841 1401# architecture extensions
808fa33c 1402
a2fc0f6a
MR
1403armv5te_deps="arm"
1404armv6_deps="arm"
ab5cb084 1405armv6t2_deps="arm"
808fa33c 1406neon_deps="arm"
b3267559
MR
1407vfp_deps="arm"
1408vfpv3_deps="vfp"
808fa33c 1409
637606de
MR
1410map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1411
808fa33c
MR
1412altivec_deps="ppc"
1413ppc4xx_deps="ppc"
1414
1415vis_deps="sparc"
1416
7f8c3d1f 1417x86_64_suggest="cmov fast_cmov"
50cd43f2 1418
808fa33c
MR
1419amd3dnow_deps="mmx"
1420amd3dnowext_deps="amd3dnow"
9eeed841 1421mmx_deps="x86"
239fdf1b 1422mmxext_deps="mmx"
50cd43f2
DB
1423sse_deps="mmxext"
1424sse2_deps="sse"
1425sse3_deps="sse2"
1426ssse3_deps="sse3"
1427sse4_deps="ssse3"
1428sse42_deps="sse4"
1429avx_deps="sse42"
79687079 1430fma4_deps="avx"
9eeed841 1431
43b73d59
DB
1432mmx_external_deps="yasm"
1433mmx_inline_deps="inline_asm"
1434mmx_suggest="mmx_external mmx_inline"
1435
1436for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1437 eval dep=\$${ext}_deps
1438 eval ${ext}_external_deps='"${dep}_external"'
1439 eval ${ext}_inline_deps='"${dep}_inline"'
1440 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1441done
1442
59782b82 1443aligned_stack_if_any="ppc x86"
e939cedd 1444fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
f0fe245b
MR
1445fast_clz_if_any="alpha avr32 mips ppc x86"
1446fast_unaligned_if_any="ppc x86"
669b5583 1447
6fec122a 1448inline_asm_deps="!tms470"
3e0b1c9a 1449need_memalign="altivec neon sse"
89e053f8 1450
b462d132
MR
1451symver_if_any="symver_asm_label symver_gnu_asm"
1452
88a35699
MS
1453log2_deps="!msvcrt"
1454
26fbcc85 1455# subsystems
dc609252 1456dct_select="rdft"
26fbcc85
MR
1457mdct_select="fft"
1458rdft_select="fft"
1e164c0b 1459mpegaudio_select="mpegaudiodsp"
c4f5c2d6 1460mpegaudiodsp_select="dct"
ed40b6bf 1461mpegvideo_select="videodsp"
ad08dfd5 1462mpegvideoenc_select="mpegvideo"
26fbcc85 1463
ed40b6bf 1464# decoders / encoders
cfc2a0cf 1465aac_decoder_select="mdct sinewin"
4538729a 1466aac_encoder_select="mdct sinewin"
136e19e1 1467aac_latm_decoder_select="aac_decoder aac_latm_parser"
6d9f52b2 1468ac3_decoder_select="mdct ac3dsp ac3_parser"
a5444fee 1469ac3_encoder_select="mdct ac3dsp"
3d269059 1470ac3_fixed_encoder_select="mdct ac3dsp"
f4d608e3 1471alac_encoder_select="lpc"
b781cc12 1472amrnb_decoder_select="lsp"
2b2a597e 1473amrwb_decoder_select="lsp"
4538729a 1474atrac1_decoder_select="mdct sinewin"
26fbcc85 1475atrac3_decoder_select="mdct"
a33657ce
DB
1476binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1477binkaudio_rdft_decoder_select="mdct rdft sinewin"
18bbca1f 1478cavs_decoder_select="golomb mpegvideo"
9b500b8f 1479comfortnoise_encoder_select="lpc"
4538729a 1480cook_decoder_select="mdct sinewin"
2a91ada8 1481cscd_decoder_select="lzo"
2eef7c62 1482cscd_decoder_suggest="zlib"
26fbcc85 1483dca_decoder_select="mdct"
ad08dfd5 1484dnxhd_encoder_select="aandcttables mpegvideoenc"
2eef7c62 1485dxa_decoder_select="zlib"
baf91bb9 1486eac3_decoder_select="ac3_decoder"
4264a0dd 1487eac3_encoder_select="ac3_encoder"
69804535 1488eamad_decoder_select="aandcttables error_resilience mpegvideo"
87849592 1489eatgq_decoder_select="aandcttables"
c292f6a2 1490eatqi_decoder_select="aandcttables error_resilience mpegvideo"
f704a079
DB
1491ffv1_decoder_select="golomb rangecoder"
1492ffv1_encoder_select="rangecoder"
5a582bd3 1493ffvhuff_encoder_select="huffman"
4f034993 1494flac_decoder_select="golomb"
f4d608e3 1495flac_encoder_select="golomb lpc"
2eef7c62
AJ
1496flashsv_decoder_select="zlib"
1497flashsv_encoder_select="zlib"
c2d23309 1498flashsv2_decoder_select="zlib"
4414137e 1499flv_decoder_select="h263_decoder"
4d4b4bd1 1500flv_encoder_select="h263_encoder"
3447f12d 1501fraps_decoder_select="huffman"
c292f6a2 1502h261_decoder_select="error_resilience mpegvideo"
ad08dfd5 1503h261_encoder_select="aandcttables mpegvideoenc"
c292f6a2
DB
1504h263_decoder_select="error_resilience h263_parser mpegvideo"
1505h263_encoder_select="aandcttables error_resilience mpegvideoenc"
4414137e 1506h263i_decoder_select="h263_decoder"
fe629c2d 1507h263p_encoder_select="h263_encoder"
c292f6a2 1508h264_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
5a582bd3 1509huffyuv_encoder_select="huffman"
19be0f3c 1510iac_decoder_select="fft mdct sinewin"
56c8227d 1511imc_decoder_select="fft mdct sinewin"
4f034993
MR
1512jpegls_decoder_select="golomb"
1513jpegls_encoder_select="golomb"
ad08dfd5 1514ljpeg_encoder_select="aandcttables mpegvideoenc"
4f034993 1515loco_decoder_select="golomb"
c292f6a2 1516mdec_decoder_select="error_resilience mpegvideo"
ad08dfd5 1517mjpeg_encoder_select="aandcttables mpegvideoenc"
2cca233b 1518mlp_decoder_select="mlp_parser"
1e164c0b
DB
1519mp1_decoder_select="mpegaudio"
1520mp1float_decoder_select="mpegaudio"
1521mp2_decoder_select="mpegaudio"
1522mp2float_decoder_select="mpegaudio"
1523mp3_decoder_select="mpegaudio"
1524mp3adu_decoder_select="mpegaudio"
1525mp3adufloat_decoder_select="mpegaudio"
1526mp3float_decoder_select="mpegaudio"
1527mp3on4_decoder_select="mpegaudio"
1528mp3on4float_decoder_select="mpegaudio"
606c9297
DB
1529mpc7_decoder_select="mpegaudiodsp"
1530mpc8_decoder_select="mpegaudiodsp"
3e0b1c9a
DB
1531mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1532mpeg_xvmc_decoder_select="mpegvideo_decoder"
c292f6a2
DB
1533mpeg1video_decoder_select="error_resilience mpegvideo"
1534mpeg1video_encoder_select="aandcttables error_resilience mpegvideoenc"
c292f6a2
DB
1535mpeg2video_decoder_select="error_resilience mpegvideo"
1536mpeg2video_encoder_select="aandcttables error_resilience mpegvideoenc"
3e0b1c9a
DB
1537mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1538mpeg4_encoder_select="h263_encoder"
4414137e 1539msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1540msmpeg4v1_encoder_select="h263_encoder"
4414137e 1541msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1542msmpeg4v2_encoder_select="h263_encoder"
4414137e 1543msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1544msmpeg4v3_encoder_select="h263_encoder"
ee769c6a 1545mss2_decoder_select="vc1_decoder"
4538729a
MR
1546nellymoser_decoder_select="mdct sinewin"
1547nellymoser_encoder_select="mdct sinewin"
2a91ada8 1548nuv_decoder_select="lzo"
2eef7c62
AJ
1549png_decoder_select="zlib"
1550png_encoder_select="zlib"
b781cc12 1551qcelp_decoder_select="lsp"
c4f5c2d6 1552qdm2_decoder_select="mdct rdft mpegaudiodsp"
31ed3f1f 1553ra_144_encoder_select="lpc"
9f43fdda 1554ralf_decoder_select="golomb"
a8beb22f 1555rv10_decoder_select="h263_decoder"
b2bf38b4 1556rv10_encoder_select="h263_encoder"
a8beb22f 1557rv20_decoder_select="h263_decoder"
b2bf38b4 1558rv20_encoder_select="h263_encoder"
c292f6a2
DB
1559rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1560rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
4f034993 1561shorten_decoder_select="golomb"
b781cc12 1562sipr_decoder_select="lsp"
c292f6a2
DB
1563svq1_decoder_select="error_resilience mpegvideo"
1564svq1_encoder_select="aandcttables error_resilience mpegvideoenc"
1565svq3_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
bee2eac5 1566svq3_decoder_suggest="zlib"
4eef77c1 1567theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1568tiff_decoder_suggest="zlib"
1569tiff_encoder_suggest="zlib"
aec09a00 1570truehd_decoder_select="mlp_decoder"
2eef7c62 1571tscc_decoder_select="zlib"
4538729a 1572twinvq_decoder_select="mdct lsp sinewin"
aa661113 1573utvideo_encoder_select="huffman"
915a2a0a 1574vc1_decoder_select="h263_decoder h264chroma h264qpel"
45ecda85 1575vc1image_decoder_select="vc1_decoder"
26fbcc85
MR
1576vorbis_decoder_select="mdct"
1577vorbis_encoder_select="mdct"
8c53d39e
RB
1578vp3_decoder_select="vp3dsp videodsp"
1579vp5_decoder_select="vp3dsp videodsp"
1580vp6_decoder_select="huffman vp3dsp videodsp"
e82dc4c9
DB
1581vp6a_decoder_select="vp6_decoder"
1582vp6f_decoder_select="vp6_decoder"
8c53d39e 1583vp8_decoder_select="h264pred videodsp"
4538729a
MR
1584wmapro_decoder_select="mdct sinewin"
1585wmav1_decoder_select="mdct sinewin"
1586wmav1_encoder_select="mdct sinewin"
1587wmav2_decoder_select="mdct sinewin"
1588wmav2_encoder_select="mdct sinewin"
1589wmavoice_decoder_select="lsp rdft dct mdct sinewin"
f95bfab0 1590wmv1_decoder_select="h263_decoder"
665507aa 1591wmv1_encoder_select="h263_encoder"
f95bfab0 1592wmv2_decoder_select="h263_decoder"
1746e2a9 1593wmv2_encoder_select="h263_encoder"
015f8ee0 1594wmv3_decoder_select="vc1_decoder"
45ecda85 1595wmv3image_decoder_select="wmv3_decoder"
0e714f88 1596zerocodec_decoder_select="zlib"
2eef7c62
AJ
1597zlib_decoder_select="zlib"
1598zlib_encoder_select="zlib"
1599zmbv_decoder_select="zlib"
1600zmbv_encoder_select="zlib"
30fd06be 1601
ed40b6bf 1602# hardware accelerators
0afab17e 1603vaapi_deps="va_va_h"
ac3dbb4d 1604vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
c89c96e9
MR
1605vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1606
ed40b6bf 1607h263_vaapi_hwaccel_select="vaapi h263_decoder"
200e8ac9 1608h263_vdpau_hwaccel_select="vdpau h263_decoder"
ed40b6bf
DB
1609h264_dxva2_hwaccel_deps="dxva2api_h"
1610h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1611h264_vaapi_hwaccel_select="vaapi h264_decoder"
1612h264_vda_hwaccel_select="vda h264_decoder"
1613h264_vdpau_decoder_select="vdpau h264_decoder"
51b56a07 1614h264_vdpau_hwaccel_select="vdpau h264_decoder"
ed40b6bf
DB
1615mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1616mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
aaf9d0e8 1617mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
ed40b6bf
DB
1618mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1619mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1620mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
aaf9d0e8 1621mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
ed40b6bf
DB
1622mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1623mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
200e8ac9 1624mpeg4_vdpau_hwaccel_select="vdpau mpeg4_decoder"
ed40b6bf
DB
1625vc1_dxva2_hwaccel_deps="dxva2api_h"
1626vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1627vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1628vc1_vdpau_decoder_select="vdpau vc1_decoder"
77525327 1629vc1_vdpau_hwaccel_select="vdpau vc1_decoder"
ed40b6bf
DB
1630wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1631wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1632wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
77525327 1633wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
ed40b6bf 1634
28b80940 1635# parsers
2c10e2a2 1636h264_parser_select="error_resilience golomb h264dsp h264pred h264qpel mpegvideo"
c292f6a2
DB
1637mpeg4video_parser_select="error_resilience mpegvideo"
1638mpegvideo_parser_select="error_resilience mpegvideo"
1639vc1_parser_select="error_resilience mpegvideo"
28b80940 1640
912f3148 1641# external libraries
c9171a83 1642libfaac_encoder_deps="libfaac"
37eeb5e2 1643libfdk_aac_encoder_deps="libfdk_aac"
299c77d5
MR
1644libgsm_decoder_deps="libgsm"
1645libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1646libgsm_ms_decoder_deps="libgsm"
1647libgsm_ms_encoder_deps="libgsm"
3641b048
MS
1648libilbc_decoder_deps="libilbc"
1649libilbc_encoder_deps="libilbc"
1cc60c47 1650libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1651libopencore_amrnb_decoder_deps="libopencore_amrnb"
1652libopencore_amrnb_encoder_deps="libopencore_amrnb"
1653libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1654libopenjpeg_decoder_deps="libopenjpeg"
453c02f9 1655libopenjpeg_encoder_deps="libopenjpeg"
44617d6e 1656libopus_decoder_deps="libopus"
6cb8c854 1657libopus_encoder_deps="libopus"
f7cd9eed
AS
1658libschroedinger_decoder_deps="libschroedinger"
1659libschroedinger_encoder_deps="libschroedinger"
ae14f311 1660libspeex_decoder_deps="libspeex"
b606a017 1661libspeex_encoder_deps="libspeex"
150d2772 1662libtheora_encoder_deps="libtheora"
d89e738a 1663libvo_aacenc_encoder_deps="libvo_aacenc"
f502ff3f 1664libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
b0caf888 1665libvorbis_encoder_deps="libvorbis"
3f111804
LB
1666libvpx_vp8_decoder_deps="libvpx"
1667libvpx_vp8_encoder_deps="libvpx"
1668libvpx_vp9_decoder_deps="libvpx"
1669libvpx_vp9_encoder_deps="libvpx"
1cc60c47 1670libx264_encoder_deps="libx264"
de295976 1671libxavs_encoder_deps="libxavs"
1cc60c47 1672libxvid_encoder_deps="libxvid"
30fd06be 1673
912f3148 1674# demuxers / muxers
c2dd0e9e 1675ac3_demuxer_select="ac3_parser"
647c2356 1676asf_stream_muxer_select="asf_muxer"
4e622dea 1677avisynth_demuxer_deps="avisynth"
c2dd0e9e 1678dirac_demuxer_select="dirac_parser"
5b423887 1679eac3_demuxer_select="ac3_parser"
c2dd0e9e 1680flac_demuxer_select="flac_parser"
647c2356 1681ipod_muxer_select="mov_muxer"
31f16dc1 1682ismv_muxer_select="mov_muxer"
647c2356 1683matroska_audio_muxer_select="matroska_muxer"
2a91ada8 1684matroska_demuxer_suggest="bzlib lzo zlib"
4e622dea 1685mov_demuxer_suggest="zlib"
5ad2f0bf 1686mov_muxer_select="rtpenc_chain"
c2dd0e9e 1687mp3_demuxer_select="mpegaudio_parser"
647c2356 1688mp4_muxer_select="mov_muxer"
18bbca1f 1689mpegts_muxer_select="adts_muxer latm_muxer mpegvideo"
647c2356
DB
1690mpegtsraw_demuxer_select="mpegts_demuxer"
1691mxf_d10_muxer_select="mxf_muxer"
24ca518b 1692ogg_demuxer_select="golomb"
647c2356 1693psp_muxer_select="mov_muxer"
44594cc7 1694rtp_demuxer_select="sdp_demuxer"
18bbca1f 1695rtp_muxer_select="mpegvideo"
44b70ce5
MS
1696rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1697rtsp_demuxer_select="http_protocol rtpdec"
5ad2f0bf 1698rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
01c8d258 1699sap_demuxer_select="sdp_demuxer"
5ad2f0bf 1700sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
44b70ce5 1701sdp_demuxer_select="rtpdec"
e772f9fa 1702smoothstreaming_muxer_select="ismv_muxer"
f1e94694 1703spdif_muxer_select="aac_parser"
57231e4d 1704tak_demuxer_select="tak_parser"
647c2356
DB
1705tg2_muxer_select="mov_muxer"
1706tgp_muxer_select="mov_muxer"
6bdaa5f4 1707w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1708
1709# indevs / outdevs
38e54a75 1710alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
38e54a75 1711alsa_outdev_deps="alsa_asoundlib_h"
38e54a75 1712bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75 1713dv1394_indev_deps="dv1394 dv_demuxer"
c6f95144 1714fbdev_indev_deps="linux_fb_h"
38e54a75 1715jack_indev_deps="jack_jack_h"
e417d80d 1716libcdio_indev_deps="libcdio"
38e54a75 1717libdc1394_indev_deps="libdc1394"
38e54a75
SS
1718oss_indev_deps_any="soundcard_h sys_soundcard_h"
1719oss_outdev_deps_any="soundcard_h sys_soundcard_h"
0de9c41f 1720pulse_indev_deps="libpulse"
15d59d2c
B
1721sndio_indev_deps="sndio_h"
1722sndio_outdev_deps="sndio_h"
38e54a75 1723v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
ec1ee802 1724vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
a1b3c5a3 1725vfwcap_indev_extralibs="-lavicap32"
24f8961f 1726x11grab_indev_deps="x11grab XShmCreateImage"
30fd06be 1727
912f3148 1728# protocols
acd554c1
SP
1729ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1730ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1731ffrtmpcrypt_protocol_select="tcp_protocol"
775c4d36
SP
1732ffrtmphttp_protocol_deps="!librtmp_protocol"
1733ffrtmphttp_protocol_select="http_protocol"
998c1ee1 1734gopher_protocol_select="network"
c40e1757 1735httpproxy_protocol_select="tcp_protocol"
279a0c97 1736http_protocol_select="tcp_protocol"
183baead 1737https_protocol_select="tls_protocol"
c3b57d6e
DB
1738librtmp_protocol_deps="librtmp"
1739librtmpe_protocol_deps="librtmp"
1740librtmps_protocol_deps="librtmp"
1741librtmpt_protocol_deps="librtmp"
1742librtmpte_protocol_deps="librtmp"
c60a2d70 1743mmsh_protocol_select="http_protocol"
998c1ee1 1744mmst_protocol_select="network"
c3b57d6e 1745rtmp_protocol_deps="!librtmp_protocol"
deeb7012 1746rtmp_protocol_select="tcp_protocol"
acd554c1 1747rtmpe_protocol_select="ffrtmpcrypt_protocol"
6aedabc9
SP
1748rtmps_protocol_deps="!librtmp_protocol"
1749rtmps_protocol_select="tls_protocol"
775c4d36 1750rtmpt_protocol_select="ffrtmphttp_protocol"
08cd95e8 1751rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
6c1ed454 1752rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
deeb7012 1753rtp_protocol_select="udp_protocol"
998c1ee1
DB
1754sctp_protocol_deps="struct_sctp_event_subscribe"
1755sctp_protocol_select="network"
0eecafc9 1756srtp_protocol_select="rtp_protocol"
998c1ee1 1757tcp_protocol_select="network"
558d192d
MS
1758tls_protocol_deps_any="openssl gnutls"
1759tls_protocol_select="tcp_protocol"
998c1ee1 1760udp_protocol_select="network"
c08fb000 1761
6ebf0bfc 1762# filters
13fabd7a 1763blackframe_filter_deps="gpl"
ce6b6ef6 1764boxblur_filter_deps="gpl"
68b79bfc 1765cropdetect_filter_deps="gpl"
b157be1f 1766delogo_filter_deps="gpl"
a5b64584 1767drawtext_filter_deps="libfreetype"
2e5ff4d0 1768frei0r_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1769frei0r_filter_extralibs='$ldl'
a42bb9d6 1770frei0r_src_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1771frei0r_src_filter_extralibs='$ldl'
a4dc7aa5 1772hqdn3d_filter_deps="gpl"
d371e7b9 1773resample_filter_deps="avresample"
cf69ad35 1774ocv_filter_deps="libopencv"
2f296e39 1775scale_filter_deps="swscale"
acbac567 1776yadif_filter_deps="gpl"
6ebf0bfc 1777
5a0f7131 1778# libraries
d89f2fa9
DB
1779avcodec_deps="avutil"
1780avdevice_deps="avutil avcodec avformat"
1781avfilter_deps="avutil"
1782avformat_deps="avutil avcodec"
1783avresample_deps="avutil"
1784swscale_deps="avutil"
f7679c54 1785
912f3148 1786# programs
54fd593a 1787avconv_deps="avcodec avfilter avformat avresample swscale"
0a0e340f
DB
1788avconv_select="aformat_filter anull_filter asyncts_filter format_filter
1789 fps_filter null_filter resample_filter scale_filter
1790 setpts_filter"
d173ede1 1791avplay_deps="avcodec avformat avresample swscale sdl"
266463da 1792avplay_select="rdft"
9e12f0bf 1793avprobe_deps="avcodec avformat"
b263bf66 1794avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
4d58e4cb 1795avserver_extralibs='$ldl'
a2830dca 1796
c73f65d9 1797doc_deps="texi2html"
912f3148 1798
de6d9b64 1799# default parameters
8a608357 1800
19bd477d 1801logfile="config.log"
8a608357
MR
1802
1803# installation paths
c9d19248
MR
1804prefix_default="/usr/local"
1805bindir_default='${prefix}/bin'
6291d7e4 1806datadir_default='${prefix}/share/avconv'
c9d19248
MR
1807incdir_default='${prefix}/include'
1808libdir_default='${prefix}/lib'
1809mandir_default='${prefix}/share/man'
1810shlibdir_default="$libdir_default"
8a608357
MR
1811
1812# toolchain
121d78d0 1813ar_default="ar"
13c7df3d 1814cc_default="gcc"
9da6609f 1815host_cc_default="gcc"
4ebc6a74 1816cp_f="cp -f"
11e6d03a 1817ln_s="ln -sf"
2a8a860a 1818nm_default="nm -g"
11e6d03a 1819objformat="elf"
3f8040db 1820pkg_config_default=pkg-config
be7109c1 1821ranlib="ranlib"
11e6d03a 1822yasmexe="yasm"
8a608357 1823
3e0b1c9a 1824nogas=":"
8182dc34 1825
8a608357 1826# machine
8d4c00ed 1827arch_default=$(uname -m)
38d0a8aa 1828cpu="generic"
8a608357 1829
8a608357 1830# OS
8d4c00ed
MR
1831target_os_default=$(tolower $(uname -s))
1832host_os=$target_os_default
8a608357 1833
8a608357 1834# configurable options
d89f2fa9 1835enable $LIBRARY_LIST $PROGRAM_LIST
3e0b1c9a 1836
3e0b1c9a
DB
1837enable asm
1838enable debug
1839enable doc
8400d6b8 1840enable optimizations
8cfbbd92 1841enable safe_bitstream_reader
530dc538 1842enable static
a9ddb5b1 1843enable swscale_alpha
8a608357 1844
8a608357 1845# build settings
9987769a 1846SHFLAGS='-shared -Wl,-soname,$$(@F)'
4d58e4cb 1847AVSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1848LIBPREF="lib"
1849LIBSUF=".a"
c5f14466
RP
1850FULLNAME='$(NAME)$(BUILDSUF)'
1851LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1852SLIBPREF="lib"
1853SLIBSUF=".so"
c5f14466 1854SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1855SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1856SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1857LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2f138f0b
MR
1858SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1859SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
ef0bc4c9 1860
68485d1f
MR
1861asflags_filter=echo
1862cflags_filter=echo
64933b6c
MR
1863ldflags_filter=echo
1864
23565c26 1865AS_C='-c'
bc877faf 1866AS_O='-o $@'
23565c26 1867CC_C='-c'
18031c49 1868CC_E='-E -o $@'
7e6c86e6 1869CC_O='-o $@'
a758c5e2 1870LD_O='-o $@'
8db73c61
MR
1871LD_LIB='-l%'
1872LD_PATH='-L'
23565c26 1873HOSTCC_C='-c'
a758c5e2 1874HOSTCC_O='-o $@'
095792f2 1875HOSTLD_O='-o $@'
7e6c86e6 1876
1d01fee9 1877host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
9da6609f 1878host_libs='-lm'
6c3fa06a
MR
1879host_cflags_filter=echo
1880host_ldflags_filter=echo
9da6609f 1881
9b861379 1882target_path='$(CURDIR)'
a7ada2ba 1883
a158446b
MR
1884# since the object filename is not given with the -MM flag, the compiler
1885# is only able to print the basename, and we must add the path ourselves
a758c5e2
MR
1886DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1887DEPFLAGS='-MM'
315c741d 1888
c597172e 1889# find source path
24524f36 1890if test -f configure; then
f038cf3c 1891 source_path=.
c597172e 1892else
8477f2de 1893 source_path=$(cd $(dirname "$0"); pwd)
c597172e 1894 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1895 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1896 test -e "$source_path/config.h" &&
1897 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1898fi
1899
13cbe2c0 1900for v in "$@"; do
b04251c5
MR
1901 r=${v#*=}
1902 l=${v%"$r"}
1903 r=$(sh_quote "$r")
29ba0911 1904 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
13cbe2c0 1905done
c597172e 1906
73ef8980
MR
1907find_things(){
1908 thing=$1
1909 pattern=$2
1910 file=$source_path/$3
932ccf39 1911 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1912}
1913
1914ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1915DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1916HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1917PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1918BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1919MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1920DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1921OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1922INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1923PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1924FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1925
54e75be4
DB
1926ALL_COMPONENTS="
1927 $BSF_LIST
1928 $DECODER_LIST
1929 $DEMUXER_LIST
1930 $ENCODER_LIST
1931 $FILTER_LIST
1932 $HWACCEL_LIST
1933 $INDEV_LIST
1934 $MUXER_LIST
1935 $OUTDEV_LIST
1936 $PARSER_LIST
1937 $PROTOCOL_LIST
1938"
1939
8469ae22
MR
1940for n in $COMPONENT_LIST; do
1941 v=$(toupper ${n%s})_LIST
1942 eval enable \$$v
1943 eval ${n}_if_any="\$$v"
1944done
1945
206a070d 1946enable $ARCH_EXT_LIST
c597172e
MR
1947
1948die_unknown(){
1949 echo "Unknown option \"$1\"."
1950 echo "See $0 --help for available options."
1951 exit 1
1952}
1953
794f8e97 1954show_list() {
bf0c4afa
RP
1955 suffix=_$1
1956 shift
2b444ea7 1957 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1958 exit 0
1959}
1960
154caa67
MR
1961rand_list(){
1962 IFS=', '
1963 set -- $*
1964 unset IFS
1965 for thing; do
1966 comp=${thing%:*}
1967 prob=${thing#$comp}
1968 prob=${prob#:}
1969 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
1970 echo "prob ${prob:-0.5}"
1971 printf '%s\n' $comp
1972 done
1973}
1974
1975do_random(){
1976 action=$1
1977 shift
1978 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
1979 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
1980}
1981
c597172e 1982for opt do
7483e694
DB
1983 optval="${opt#*=}"
1984 case "$opt" in
ea061af1
DB
1985 --extra-ldflags=*)
1986 add_ldflags $optval
7e9e7cc2 1987 ;;
ea061af1
DB
1988 --extra-libs=*)
1989 add_extralibs $optval
7e9e7cc2 1990 ;;
ea061af1
DB
1991 --disable-devices)
1992 disable $INDEV_LIST $OUTDEV_LIST
7e9e7cc2 1993 ;;
ea061af1
DB
1994 --enable-debug=*)
1995 debuglevel="$optval"
7e9e7cc2
MR
1996 ;;
1997 --disable-programs)
1998 disable $PROGRAM_LIST
1999 ;;
2000 --disable-everything)
2001 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2002 ;;
844c6852
DB
2003 --disable-all)
2004 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2005 disable $LIBRARY_LIST $PROGRAM_LIST doc
2006 ;;
7e9e7cc2
MR
2007 --enable-random|--disable-random)
2008 action=${opt%%-random}
2009 do_random ${action#--} $COMPONENT_LIST
2010 ;;
2011 --enable-random=*|--disable-random=*)
2012 action=${opt%%-random=*}
2013 do_random ${action#--} $optval
2014 ;;
2015 --enable-*=*|--disable-*=*)
2016 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2017 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2018 eval list=\$$(toupper $thing)_LIST
2019 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2020 $action $(filter "$name" $list)
2021 ;;
2022 --enable-?*|--disable-?*)
2023 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2024 if is_in $option $COMPONENT_LIST; then
2025 test $action = disable && action=unset
2026 eval $action \$$(toupper ${option%s})_LIST
2027 elif is_in $option $CMDLINE_SELECT; then
2028 $action $option
2029 else
2030 die_unknown $opt
2031 fi
2032 ;;
2033 --list-*)
2034 NAME="${opt#--list-}"
2035 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2036 NAME=${NAME%s}
2037 eval show_list $NAME \$$(toupper $NAME)_LIST
2038 ;;
2039 --help|-h) show_help
2040 ;;
2041 *)
2042 optname="${opt%%=*}"
2043 optname="${optname#--}"
2044 optname=$(echo "$optname" | sed 's/-/_/g')
2045 if is_in $optname $CMDLINE_SET; then
2046 eval $optname='$optval'
2047 elif is_in $optname $CMDLINE_APPEND; then
2048 append $optname "$optval"
2049 else
2050 die_unknown $opt
2051 fi
2052 ;;
7483e694 2053 esac
c597172e
MR
2054done
2055
bcea99bb
MR
2056disabled logging && logfile=/dev/null
2057
29ba0911 2058echo "# $0 $LIBAV_CONFIGURATION" > $logfile
bcea99bb
MR
2059set >> $logfile
2060
9da6609f
MR
2061test -n "$cross_prefix" && enable cross_compile
2062
8d4c00ed
MR
2063if enabled cross_compile; then
2064 test -n "$arch" && test -n "$target_os" ||
2065 die "Must specify target arch and OS when cross-compiling"
2066fi
2067
121d78d0 2068ar_default="${cross_prefix}${ar_default}"
11e6d03a 2069cc_default="${cross_prefix}${cc_default}"
20e0ed95 2070nm_default="${cross_prefix}${nm_default}"
3f8040db 2071pkg_config_default="${cross_prefix}${pkg_config_default}"
adb2b908 2072ranlib="${cross_prefix}${ranlib}"
adb2b908 2073
c5200f17
MR
2074sysinclude_default="${sysroot}/usr/include"
2075
aeeb782c 2076case "$toolchain" in
0fbb62a8
LB
2077 clang-asan)
2078 cc_default="clang"
2079 add_cflags -faddress-sanitizer
2080 add_ldflags -faddress-sanitizer
2081 ;;
2082 clang-tsan)
2083 cc_default="clang"
2084 add_cflags -fthread-sanitizer
2085 add_ldflags -fthread-sanitizer
2086 ;;
aeeb782c
MR
2087 msvc)
2088 cc_default="c99wrap cl"
2089 ld_default="c99wrap link"
2090 nm_default="dumpbin -symbols"
ac3a9b51 2091 ar_default="lib"
53e8cd68 2092 target_os_default="win32"
aeeb782c
MR
2093 ;;
2094 ?*)
2095 die "Unknown toolchain $toolchain"
2096 ;;
2097esac
2098
53e8cd68 2099set_default arch cc pkg_config sysinclude target_os
9da6609f
MR
2100enabled cross_compile || host_cc_default=$cc
2101set_default host_cc
13c7df3d 2102
762f95e4
MR
2103if ! $pkg_config --version >/dev/null 2>&1; then
2104 warn "$pkg_config not found, library detection may fail."
2105 pkg_config=false
2106fi
2107
82bb3329
MR
2108exesuf() {
2109 case $1 in
53e8cd68 2110 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
82bb3329
MR
2111 esac
2112}
2113
2114EXESUF=$(exesuf $target_os)
2115HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 2116
e4e69e0b 2117# set temporary file name
a49d42c2 2118: ${TMPDIR:=$TEMPDIR}
c51fafa1 2119: ${TMPDIR:=$TMP}
a49d42c2 2120: ${TMPDIR:=/tmp}
e4e69e0b 2121
a210bce2 2122if ! check_cmd mktemp -u XXXXXX; then
54460a83
MR
2123 # simple replacement for missing mktemp
2124 # NOT SAFE FOR GENERAL USE
2125 mktemp(){
09a5c245 2126 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
54460a83
MR
2127 }
2128fi
2129
2130tmpfile(){
2131 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2132 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 2133 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
2134 append TMPFILES $tmp
2135 eval $1=$tmp
2136}
2137
2138trap 'rm -f -- $TMPFILES' EXIT
54460a83 2139
55127e7b 2140tmpfile TMPASM .asm
3e0b1c9a
DB
2141tmpfile TMPC .c
2142tmpfile TMPE $EXESUF
2143tmpfile TMPH .h
2144tmpfile TMPO .o
2145tmpfile TMPS .S
2146tmpfile TMPSH .sh
2147tmpfile TMPV .ver
54460a83
MR
2148
2149unset -f mktemp
e4e69e0b 2150
fb3c4ffc
MR
2151chmod +x $TMPE
2152
993f2d0f
MR
2153# make sure we can execute files in $TMPDIR
2154cat > $TMPSH 2>> $logfile <<EOF
2155#! /bin/sh
2156EOF
2157chmod +x $TMPSH >> $logfile 2>&1
2158if ! $TMPSH >> $logfile 2>&1; then
2159 cat <<EOF
2160Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2161variable to another directory and make sure that it is not mounted noexec.
2162EOF
2163 die "Sanity test failed."
2164fi
993f2d0f 2165
457cc333
MR
2166ccc_flags(){
2167 for flag; do
2168 case $flag in
2169 -std=c99) echo -c99 ;;
2170 -mcpu=*) echo -arch ${flag#*=} ;;
2171 -mieee) echo -ieee ;;
2172 -O*|-fast) echo $flag ;;
2173 -fno-math-errno) echo -assume nomath_errno ;;
2174 -g) echo -g3 ;;
2175 -Wall) echo -msg_enable level2 ;;
2176 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2177 -Wl,*) echo $flag ;;
2178 -f*|-W*) ;;
2179 *) echo $flag ;;
2180 esac
2181 done
2182}
2183
dfa559bc
RB
2184msvc_flags(){
2185 for flag; do
2186 case $flag in
2187 -fomit-frame-pointer) echo -Oy ;;
2188 -g) echo -Z7 ;;
2189 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2190 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
4a185ed2 2191 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
d66c52c2 2192 -wd4996 -wd4273 ;;
dfa559bc
RB
2193 -std=c99) ;;
2194 -fno-math-errno) ;;
2195 -fno-common) ;;
2196 -fno-signed-zeros) ;;
50640977 2197 -fPIC) ;;
dfa559bc 2198 -lz) echo zlib.lib ;;
bd680c7b
DB
2199 -lavifil32) echo vfw32.lib ;;
2200 -lavicap32) echo vfw32.lib user32.lib ;;
dfa559bc
RB
2201 -l*) echo ${flag#-l}.lib ;;
2202 *) echo $flag ;;
2203 esac
2204 done
2205}
2206
d0c6d424
MR
2207pgi_flags(){
2208 for flag; do
2209 case $flag in
643933f5 2210 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
d0c6d424
MR
2211 -fomit-frame-pointer) echo -Mnoframe ;;
2212 -g) echo -gopt ;;
2213 *) echo $flag ;;
2214 esac
2215 done
2216}
2217
2218suncc_flags(){
2219 for flag; do
2220 case $flag in
2221 -march=*|-mcpu=*)
2222 case "${flag#*=}" in
2223 native) echo -xtarget=native ;;
2224 v9|niagara) echo -xarch=sparc ;;
2225 ultrasparc) echo -xarch=sparcvis ;;
2226 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2227 i586|pentium) echo -xchip=pentium ;;
2228 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2229 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2230 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2231 pentium4*) echo -xtarget=pentium4 ;;
2232 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2233 *-sse3) echo -xarch=sse3 ;;
2234 core2) echo -xarch=ssse3 -xchip=core2 ;;
f2ce813e
SM
2235 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2236 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
b36f87ff 2237 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
d0c6d424
MR
2238 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2239 k8|opteron|athlon64|athlon-fx)
2240 echo -xarch=sse2a ;;
2241 athlon*) echo -xarch=pentium_proa ;;
2242 esac
2243 ;;
2244 -std=c99) echo -xc99 ;;
2245 -fomit-frame-pointer) echo -xregs=frameptr ;;
2246 -fPIC) echo -KPIC -xcode=pic32 ;;
2247 -W*,*) echo $flag ;;
5e753ed5
SM
2248 -f*-*|-W*|-mimpure-text) ;;
2249 -shared) echo -G ;;
d0c6d424
MR
2250 *) echo $flag ;;
2251 esac
2252 done
2253}
2254
2255tms470_flags(){
2256 for flag; do
2257 case $flag in
2258 -march=*|-mcpu=*)
2259 case "${flag#*=}" in
2260 armv7-a|cortex-a*) echo -mv=7a8 ;;
2261 armv7-r|cortex-r*) echo -mv=7r4 ;;
2262 armv7-m|cortex-m*) echo -mv=7m3 ;;
2263 armv6*|arm11*) echo -mv=6 ;;
2264 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2265 echo -mv=5e ;;
2266 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2267 esac
2268 ;;
2269 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2270 -mfpu=vfp) echo --float_support=vfpv2 ;;
2271 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
b5198a26 2272 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
d0c6d424
MR
2273 -msoft-float) echo --float_support=vfplib ;;
2274 -O[0-3]|-mf=*) echo $flag ;;
2275 -g) echo -g -mn ;;
2276 -pds=*) echo $flag ;;
ad93dccb
MR
2277 -D*|-I*) echo $flag ;;
2278 --gcc|--abi=*) echo $flag ;;
2279 -me) echo $flag ;;
d0c6d424
MR
2280 esac
2281 done
2282}
2283
a758c5e2
MR
2284probe_cc(){
2285 pfx=$1
2286 _cc=$2
2287
8db73c61
MR
2288 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2289 unset _ld_o _ldflags _ld_lib _ld_path
18031c49 2290 unset _depflags _DEPCMD _DEPFLAGS
a758c5e2
MR
2291 _flags_filter=echo
2292
2293 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2294 _type=llvm_gcc
2295 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2296 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2297 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2298 _cflags_speed='-O3'
2299 _cflags_size='-Os'
2300 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2301 _type=gcc
2302 gcc_version=$($_cc --version | head -n1)
2303 gcc_basever=$($_cc -dumpversion)
2304 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2305 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2306 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2307 if ! $_cc -dumpversion | grep -q '^2\.'; then
2308 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2309 fi
2310 _cflags_speed='-O3'
2311 _cflags_size='-Os'
2312 elif $_cc --version 2>/dev/null | grep -q Intel; then
2313 _type=icc
2314 _ident=$($_cc --version | head -n1)
2315 _depflags='-MMD'
2316 _cflags_speed='-O3'
2317 _cflags_size='-Os'
2318 _cflags_noopt='-O1'
2319 elif $_cc -v 2>&1 | grep -q xlc; then
2320 _type=xlc
2321 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2322 _cflags_speed='-O5'
2323 _cflags_size='-O5 -qcompact'
2324 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2325 _type=ccc
2326 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2327 _DEPFLAGS='-M'
a758c5e2
MR
2328 _cflags_speed='-fast'
2329 _cflags_size='-O1'
457cc333 2330 _flags_filter=ccc_flags
a758c5e2
MR
2331 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2332 test -d "$sysroot" || die "No valid sysroot specified."
2333 _type=armcc
2334 _ident=$($_cc --vsn | head -n1)
2335 armcc_conf="$PWD/armcc.conf"
2336 $_cc --arm_linux_configure \
2337 --arm_linux_config_file="$armcc_conf" \
2338 --configure_sysroot="$sysroot" \
2339 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2340 die "Error creating armcc configuration file."
2341 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2342 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2343 as_default="${cross_prefix}gcc"
2344 _depflags='-MMD'
2345 _cflags_speed='-O3'
2346 _cflags_size='-Os'
0122118e 2347 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
a758c5e2
MR
2348 _type=tms470
2349 _ident=$($_cc -version | head -n1 | tr -s ' ')
2350 _flags='--gcc --abi=eabi -me'
18031c49 2351 _cc_e='-ppl -fe=$@'
a758c5e2 2352 _cc_o='-fe=$@'
a758c5e2
MR
2353 _depflags='-ppa -ppd=$(@:.o=.d)'
2354 _cflags_speed='-O3 -mf=5'
2355 _cflags_size='-O3 -mf=2'
2356 _flags_filter=tms470_flags
2357 elif $_cc -v 2>&1 | grep -q clang; then
2358 _type=clang
2359 _ident=$($_cc --version | head -n1)
2360 _depflags='-MMD'
2361 _cflags_speed='-O3'
2362 _cflags_size='-Os'
2363 elif $_cc -V 2>&1 | grep -q Sun; then
2364 _type=suncc
2365 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2366 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
c72f12cb 2367 _DEPFLAGS='-xM1 -xc99'
a758c5e2
MR
2368 _ldflags='-std=c99'
2369 _cflags_speed='-O5'
2370 _cflags_size='-O5 -xspace'
2371 _flags_filter=suncc_flags
2372 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2373 _type=pathscale
2374 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2375 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2376 _cflags_speed='-O2'
2377 _cflags_size='-Os'
2378 _flags_filter='filter_out -Wdisabled-optimization'
2379 elif $_cc -v 2>&1 | grep -q Open64; then
2380 _type=open64
2381 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2382 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2383 _cflags_speed='-O2'
2384 _cflags_size='-Os'
2385 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2386 elif $_cc -V 2>&1 | grep -q Portland; then
2387 _type=pgi
2388 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
8f23907f 2389 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
a758c5e2
MR
2390 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2391 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2392 _cflags_noopt="-O1"
2393 _flags_filter=pgi_flags
dfa559bc
RB
2394 elif $_cc 2>&1 | grep -q Microsoft; then
2395 _type=msvc
2396 _ident=$($cc 2>&1 | head -n1)
2397 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2398 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2399 _cflags_speed="-O2"
2400 _cflags_size="-O1"
2401 # Nonstandard output options, to avoid msys path conversion issues, relies on wrapper to remap it
2402 if $_cc 2>&1 | grep -q Linker; then
2403 _ld_o='-out $@'
2404 else
2405 _ld_o='-Fe$@'
2406 fi
2407 _cc_o='-Fo $@'
a224b2cb 2408 _cc_e='-P -Fi $@'
dfa559bc
RB
2409 _flags_filter=msvc_flags
2410 _ld_lib='lib%.a'
2411 _ld_path='-libpath:'
2412 _flags='-nologo'
2413 _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2414 if [ $pfx = hostcc ]; then
6a0200f2 2415 append _cflags -Dsnprintf=_snprintf
dfa559bc 2416 fi
aef6bd1b 2417 fi
a758c5e2
MR
2418
2419 eval ${pfx}_type=\$_type
2420 eval ${pfx}_ident=\$_ident
2421}
2422
2423set_ccvars(){
23565c26 2424 eval ${1}_C=\${_cc_c-\${${1}_C}}
18031c49 2425 eval ${1}_E=\${_cc_e-\${${1}_E}}
a758c5e2
MR
2426 eval ${1}_O=\${_cc_o-\${${1}_O}}
2427
2428 if [ -n "$_depflags" ]; then
2429 eval ${1}_DEPFLAGS=\$_depflags
2430 else
2431 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2432 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2433 eval DEP${1}FLAGS=\$_flags
2434 fi
2435}
2436
2437probe_cc cc "$cc"
2438cflags_filter=$_flags_filter
2439cflags_speed=$_cflags_speed
2440cflags_size=$_cflags_size
2441cflags_noopt=$_cflags_noopt
2442add_cflags $_flags $_cflags
2443cc_ldflags=$_ldflags
2444set_ccvars CC
2445
2446probe_cc hostcc "$host_cc"
2447host_cflags_filter=$_flags_filter
a758c5e2 2448add_host_cflags $_flags $_cflags
a758c5e2 2449set_ccvars HOSTCC
629687f6 2450
851ffa80
MR
2451test -n "$cc_type" && enable $cc_type ||
2452 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 2453
75bafbac 2454: ${as_default:=$cc}
50567afa 2455: ${dep_cc_default:=$cc}
684b28e0 2456: ${ld_default:=$cc}
095792f2
MR
2457: ${host_ld_default:=$host_cc}
2458set_default ar as dep_cc ld host_ld
75800dce 2459
a758c5e2
MR
2460probe_cc as "$as"
2461asflags_filter=$_flags_filter
2462add_asflags $_flags $_cflags
2463set_ccvars AS
2464
2465probe_cc ld "$ld"
2466ldflags_filter=$_flags_filter
2467add_ldflags $_flags $_ldflags
2468test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2763587c 2469LD_O=${_ld_o-$LD_O}
8db73c61
MR
2470LD_LIB=${_ld_lib-$LD_LIB}
2471LD_PATH=${_ld_path-$LD_PATH}
a758c5e2 2472
095792f2
MR
2473probe_cc hostld "$host_ld"
2474host_ldflags_filter=$_flags_filter
2475add_host_ldflags $_flags $_ldflags
2476HOSTLD_O=${_ld_o-$HOSTLD_O}
2477
a758c5e2
MR
2478if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2479 probe_cc depcc "$dep_cc"
2480 CCDEP=${_DEPCMD:-$DEPCMD}
2481 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2482 DEPCCFLAGS=$_flags
2483fi
07dec06e 2484
3dbc777c
MR
2485if $ar 2>&1 | grep -q Microsoft; then
2486 arflags="-nologo"
2487 ar_o='-out:$@'
2488elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2489 arflags="rq"
2490 ar_o='$@'
2491else
2492 arflags="rc"
2493 ar_o='$@'
2494fi
2495
7f32f40c 2496add_cflags $extra_cflags
2f2e6c7c 2497add_asflags $extra_cflags
7f32f40c 2498
154d432c
MR
2499if test -n "$sysroot"; then
2500 case "$cc_type" in
00ba041c 2501 gcc|llvm_gcc|clang)
467256f2 2502 add_cppflags --sysroot="$sysroot"
154d432c
MR
2503 add_ldflags --sysroot="$sysroot"
2504 ;;
6fec122a
MR
2505 tms470)
2506 add_cppflags -I"$sysinclude"
2507 add_ldflags --sysroot="$sysroot"
2508 ;;
154d432c
MR
2509 esac
2510fi
2511
d22c13a8
MR
2512if test "$cpu" = host; then
2513 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2514
2515 case "$cc_type" in
613a4e3f 2516 gcc|llvm_gcc)
d22c13a8
MR
2517 check_native(){
2518 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
b695256e 2519 sed -n "/cc1.*$1=/{
27ce1be8
MR
2520 s/.*$1=\\([^ ]*\\).*/\\1/
2521 p
2522 q
2523 }" $TMPE
d22c13a8
MR
2524 }
2525 cpu=$(check_native -march || check_native -mcpu)
2526 ;;
2527 esac
2528
2529 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2530fi
2531
e939cedd
MR
2532# Deal with common $arch aliases
2533case "$arch" in
5873b623
MR
2534 aarch64|arm64)
2535 arch="aarch64"
2536 ;;
e939cedd
MR
2537 arm*)
2538 arch="arm"
2539 ;;
2acda282 2540 mips*|IP*)
e939cedd
MR
2541 arch="mips"
2542 ;;
a6e9d649 2543 parisc*|hppa*)
e939cedd
MR
2544 arch="parisc"
2545 ;;
56203596 2546 "Power Macintosh"|ppc*|powerpc*)
e939cedd
MR
2547 arch="ppc"
2548 ;;
e939cedd
MR
2549 s390|s390x)
2550 arch="s390"
2551 ;;
2552 sh4|sh)
2553 arch="sh4"
2554 ;;
4cd217c0 2555 sun4u|sparc*)
e939cedd 2556 arch="sparc"
e939cedd 2557 ;;
c75848cd
DB
2558 tilegx|tile-gx)
2559 arch="tilegx"
2560 ;;
d33ed7b3 2561 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
e939cedd
MR
2562 arch="x86"
2563 ;;
2564esac
2565
851ffa80 2566is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 2567enable $arch
e939cedd 2568
df5cdc24 2569# Add processor-specific flags
9ebd45c2 2570if enabled aarch64; then
33db40f8
MR
2571
2572 case $cpu in
2573 armv*)
2574 cpuflags="-march=$cpu"
2575 ;;
2576 *)
2577 cpuflags="-mcpu=$cpu"
2578 ;;
2579 esac
2580
2581elif enabled alpha; then
2582
2583 cpuflags="-mcpu=$cpu"
2584
2585elif enabled arm; then
2586
1234c66a
MR
2587 check_arm_arch() {
2588 check_cpp_condition stddef.h \
2589 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
2590 $cpuflags
2591 }
2592
2593 probe_arm_arch() {
2594 if check_arm_arch 4; then echo armv4;
2595 elif check_arm_arch 4T; then echo armv4t;
2596 elif check_arm_arch 5; then echo armv5;
2597 elif check_arm_arch 5E; then echo armv5e;
2598 elif check_arm_arch 5T; then echo armv5t;
2599 elif check_arm_arch 5TE; then echo armv5te;
2600 elif check_arm_arch 5TEJ; then echo armv5te;
2601 elif check_arm_arch 6; then echo armv6;
2602 elif check_arm_arch 6J; then echo armv6j;
2603 elif check_arm_arch 6K; then echo armv6k;
2604 elif check_arm_arch 6Z; then echo armv6z;
2605 elif check_arm_arch 6ZK; then echo armv6zk;
2606 elif check_arm_arch 6T2; then echo armv6t2;
2607 elif check_arm_arch 7; then echo armv7;
2608 elif check_arm_arch 7A 7_A; then echo armv7-a;
2609 elif check_arm_arch 7R 7_R; then echo armv7-r;
2610 elif check_arm_arch 7M 7_M; then echo armv7-m;
2611 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
2612 elif check_arm_arch 8A 8_A; then echo armv8-a;
2613 fi
2614 }
2615
2616 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
2617
33db40f8
MR
2618 case $cpu in
2619 armv*)
2620 cpuflags="-march=$cpu"
2621 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2622 ;;
2623 *)
2624 cpuflags="-mcpu=$cpu"
2625 case $cpu in
2626 cortex-a*) subarch=armv7a ;;
2627 cortex-r*) subarch=armv7r ;;
2628 cortex-m*) enable thumb; subarch=armv7m ;;
2629 arm11*) subarch=armv6 ;;
2630 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2631 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
1234c66a 2632 *) subarch=$(probe_arm_arch) ;;
33db40f8
MR
2633 esac
2634 ;;
2635 esac
2636
f0fe245b
MR
2637 case "$subarch" in
2638 armv5t*) enable fast_clz ;;
2639 armv[6-8]*) enable fast_clz fast_unaligned ;;
2640 esac
2641
33db40f8
MR
2642elif enabled avr32; then
2643
2644 case $cpu in
2645 ap7[02]0[0-2])
2646 subarch="avr32_ap"
2647 cpuflags="-mpart=$cpu"
2648 ;;
2649 ap)
2650 subarch="avr32_ap"
2651 cpuflags="-march=$cpu"
2652 ;;
2653 uc3[ab]*)
2654 subarch="avr32_uc"
2655 cpuflags="-mcpu=$cpu"
2656 ;;
2657 uc)
2658 subarch="avr32_uc"
2659 cpuflags="-march=$cpu"
2660 ;;
2661 esac
2662
2663elif enabled bfin; then
2664
2665 cpuflags="-mcpu=$cpu"
2666
2667elif enabled mips; then
2668
2669 cpuflags="-march=$cpu"
2670
5d54c126 2671elif enabled ppc; then
343aef9b 2672
56348891
MR
2673 case $(tolower $cpu) in
2674 601|ppc601|powerpc601)
9dbd5c3d 2675 cpuflags="-mcpu=601"
64ad53ff 2676 disable altivec
9dbd5c3d 2677 ;;
56348891 2678 603*|ppc603*|powerpc603*)
9dbd5c3d 2679 cpuflags="-mcpu=603"
64ad53ff 2680 disable altivec
9dbd5c3d 2681 ;;
56348891 2682 604*|ppc604*|powerpc604*)
9dbd5c3d 2683 cpuflags="-mcpu=604"
64ad53ff 2684 disable altivec
9dbd5c3d 2685 ;;
56348891 2686 g3|75*|ppc75*|powerpc75*)
7f1fcaf0 2687 cpuflags="-mcpu=750"
64ad53ff 2688 disable altivec
9dbd5c3d 2689 ;;
56348891 2690 g4|745*|ppc745*|powerpc745*)
7f1fcaf0 2691 cpuflags="-mcpu=7450"
9dbd5c3d 2692 ;;
56348891 2693 74*|ppc74*|powerpc74*)
7f1fcaf0 2694 cpuflags="-mcpu=7400"
9dbd5c3d 2695 ;;
313f9fbf 2696 g5|970|ppc970|powerpc970)
7f1fcaf0 2697 cpuflags="-mcpu=970"
9dbd5c3d 2698 ;;
313f9fbf 2699 power[3-7]*)
7f1fcaf0 2700 cpuflags="-mcpu=$cpu"
313f9fbf 2701 ;;
56348891 2702 cell)
9dbd5c3d
MR
2703 cpuflags="-mcpu=cell"
2704 enable ldbrx
2705 ;;
4ab26cb4
DB
2706 e500mc)
2707 cpuflags="-mcpu=e500mc"
2708 disable altivec
2709 ;;
7b0b81a1
AL
2710 e500v2)
2711 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2712 disable altivec
2713 ;;
2714 e500)
2715 cpuflags="-mcpu=8540 -mhard-float"
2716 disable altivec
2717 ;;
9dbd5c3d 2718 esac
343aef9b 2719
33db40f8
MR
2720elif enabled sparc; then
2721
2722 case $cpu in
2723 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
2724 cpuflags="-mcpu=$cpu"
2725 disable vis
2726 ;;
2727 ultrasparc*|niagara[234])
2728 cpuflags="-mcpu=$cpu"
2729 ;;
2730 esac
2731
343aef9b
MR
2732elif enabled x86; then
2733
9dbd5c3d
MR
2734 case $cpu in
2735 i[345]86|pentium)
2736 cpuflags="-march=$cpu"
2737 disable mmx
2738 ;;
2739 # targets that do NOT support conditional mov (cmov)
2740 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2741 cpuflags="-march=$cpu"
2742 disable cmov
2743 ;;
2744 # targets that do support conditional mov (cmov)
f2ce813e 2745 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
9dbd5c3d
MR
2746 cpuflags="-march=$cpu"
2747 enable cmov
2748 enable fast_cmov
2749 ;;
2750 # targets that do support conditional mov but on which it's slow
2751 pentium4|pentium4m|prescott|nocona)
2752 cpuflags="-march=$cpu"
2753 enable cmov
2754 disable fast_cmov
2755 ;;
2756 esac
343aef9b 2757
343aef9b
MR
2758fi
2759
9ebd45c2
MR
2760if [ "$cpu" != generic ]; then
2761 add_cflags $cpuflags
2762 add_asflags $cpuflags
2763fi
df5cdc24 2764
993f2d0f
MR
2765# compiler sanity check
2766check_exec <<EOF
2767int main(void){ return 0; }
2768EOF
2769if test "$?" != 0; then
2770 echo "$cc is unable to create an executable file."
2771 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2772 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2773 echo "Only do this if you know what cross compiling means."
2774 fi
2775 die "C compiler test failed."
2776fi
2777
046f081b 2778add_cppflags -D_ISOC99_SOURCE
e9b9a2f8 2779check_cflags -std=c99
50a334e4 2780check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2781#include <stdlib.h>
2782EOF
50a334e4 2783check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2784#include <stdlib.h>
2785EOF
e9b9a2f8 2786
f0125de9 2787check_host_cflags -std=c99
0a6db2a2 2788check_host_cflags -Wall
f0125de9 2789
d4c99513
MR
2790check_64bit(){
2791 arch32=$1
2792 arch64=$2
2793 expr=$3
2794 check_code cc "" "int test[2*($expr) - 1]" &&
2795 subarch=$arch64 || subarch=$arch32
2796}
2797
b24dbcbd 2798case "$arch" in
d11cb13b 2799 aarch64|alpha|ia64)
2acda282
MR
2800 spic=$shared
2801 ;;
2802 mips)
2803 check_64bit mips mips64 '_MIPS_SIM > 1'
8a3c8627 2804 spic=$shared
b24dbcbd 2805 ;;
a6e9d649
MR
2806 parisc)
2807 check_64bit parisc parisc64 'sizeof(void *) > 4'
2808 spic=$shared
2809 ;;
56203596
MR
2810 ppc)
2811 check_64bit ppc ppc64 'sizeof(void *) > 4'
1944d532 2812 spic=$shared
56203596 2813 ;;
4cd217c0
MR
2814 sparc)
2815 check_64bit sparc sparc64 'sizeof(void *) > 4'
2816 spic=$shared
2817 ;;
e939cedd 2818 x86)
d4c99513 2819 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
de27f4d9 2820 if test "$subarch" = "x86_64"; then
e939cedd 2821 spic=$shared
de27f4d9 2822 fi
b24dbcbd 2823 ;;
b24dbcbd
RP
2824esac
2825
343aef9b 2826enable $subarch
8a3c8627 2827enabled spic && enable pic
b24dbcbd 2828
7483e694 2829# OS specific
4f854758 2830case $target_os in
a1629e28 2831 haiku)
63ae7e7c 2832 prefix_default="/boot/common"
108caaaa 2833 network_extralibs="-lnetwork"
f59c4bd6 2834 host_libs=
a1629e28 2835 ;;
7483e694 2836 sunos)
4d58e4cb 2837 AVSERVERLDFLAGS=""
9987769a 2838 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2839 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2840 network_extralibs="-lsocket -lnsl"
779222db 2841 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
87a74f47
SM
2842 # When using suncc to build, the Solaris linker will mark
2843 # an executable with each instruction set encountered by
2844 # the Solaris assembler. As our libraries contain their own
2845 # guards for processor-specific code, instead suppress
2846 # generation of the HWCAPS ELF section on Solaris x86 only.
2847 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2a8a860a 2848 nm_default='nm -P -g'
7483e694
DB
2849 ;;
2850 netbsd)
a1e4b3f6 2851 disable symver
07a8eef6
MR
2852 oss_indev_extralibs="-lossaudio"
2853 oss_outdev_extralibs="-lossaudio"
7483e694 2854 ;;
d488c3bc 2855 openbsd|bitrig)
a1e4b3f6 2856 disable symver
7483e694 2857 SHFLAGS='-shared'
d5683aba
BS
2858 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBVERSION)'
2859 SLIB_INSTALL_LINKS=
07a8eef6
MR
2860 oss_indev_extralibs="-lossaudio"
2861 oss_outdev_extralibs="-lossaudio"
7483e694 2862 ;;
a1e4b3f6 2863 dragonfly)
a1e4b3f6
MR
2864 disable symver
2865 ;;
2866 freebsd)
7483e694
DB
2867 ;;
2868 bsd/os)
355d81df 2869 add_extralibs -lpoll -lgnugetopt
7483e694
DB
2870 ;;
2871 darwin)
301ab19d 2872 gas="gas-preprocessor.pl $cc"
e08b8239 2873 enabled ppc && add_asflags -force_cpusubtype_ALL
49e35f49 2874 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
dff68563 2875 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
355d81df 2876 add_ldflags -Wl,-dynamic,-search_paths_first
7483e694
DB
2877 SLIBSUF=".dylib"
2878 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2879 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4d58e4cb 2880 AVSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2881 objformat="macho"
1b0f6fb8 2882 enabled x86_64 && objformat="macho64"
8dfa86f7 2883 enabled_any pic shared ||
2704bd1a 2884 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2885 ;;
2886 mingw32*)
9d3f4f50 2887 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2888 disable network
2889 else
2890 target_os=mingw32
2891 fi
dcc01c06 2892 LIBTARGET=i386
1fc9fb8a 2893 if enabled x86_64; then
417516f6 2894 LIBTARGET="i386:x86-64"
336cc1b0 2895 elif enabled arm; then
15c5156d 2896 LIBTARGET=arm-wince
dcc01c06 2897 fi
fbd971a4 2898 shlibdir_default="$bindir_default"
7483e694
DB
2899 SLIBPREF=""
2900 SLIBSUF=".dll"
7483e694
DB
2901 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2902 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
eb7018d2 2903 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2f138f0b
MR
2904 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2905 SLIB_INSTALL_LINKS=
2906 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2907 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
eb7018d2 2908 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2909 objformat="win32"
ec10a9ab 2910 dlltool="${cross_prefix}dlltool"
a3222470 2911 ranlib=:
bc574408 2912 enable dos_paths
5666a9f2 2913 add_cppflags -U__STRICT_ANSI__
7483e694 2914 ;;
53e8cd68 2915 win32|win64)
d66c52c2
MS
2916 if enabled shared; then
2917 # Link to the import library instead of the normal static library
2918 # for shared libs.
2919 LD_LIB='%.lib'
2920 # Cannot build shared and static libraries at the same time with
2921 # MSVC.
2922 disable static
2923 fi
2924 shlibdir_default="$bindir_default"
2925 SLIBPREF=""
2926 SLIBSUF=".dll"
2927 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2928 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2929 SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
2930 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2931 SLIB_INSTALL_LINKS=
2932 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2933 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2934 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
53e8cd68
MS
2935 objformat="win32"
2936 ranlib=:
2937 enable dos_paths
2938 ;;
7483e694 2939 cygwin*)
4f854758 2940 target_os=cygwin
fbd971a4 2941 shlibdir_default="$bindir_default"
7483e694
DB
2942 SLIBPREF="cyg"
2943 SLIBSUF=".dll"
2944 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2945 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
f5d2c597
YS
2946 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2947 SLIB_INSTALL_LINKS=
2948 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
2949 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
304d586d 2950 objformat="win32"
bc574408 2951 enable dos_paths
7483e694 2952 ;;
4f365f37 2953 *-dos|freedos|opendos)
4f365f37 2954 network_extralibs="-lsocket"
ff1c015d 2955 objformat="coff"
bc574408 2956 enable dos_paths
a7a187a1 2957 add_cppflags -U__STRICT_ANSI__
4f365f37 2958 ;;
7483e694 2959 linux)
7483e694
DB
2960 enable dv1394
2961 ;;
2962 irix*)
4f854758 2963 target_os=irix
7483e694
DB
2964 ranlib="echo ignoring ranlib"
2965 ;;
d22e8442 2966 os/2*)
d22e8442 2967 ln_s="cp -f"
9297f1ed 2968 objformat="aout"
e14574eb 2969 add_cppflags -D_GNU_SOURCE
355d81df 2970 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
71c61f62 2971 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4d58e4cb 2972 AVSERVERLDFLAGS=""
287d3b13 2973 LIBSUF="_s.a"
d22e8442
DY
2974 SLIBPREF=""
2975 SLIBSUF=".dll"
2976 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2977 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62 2978 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
f69f51b3
DB
2979 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2980 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2981 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2982 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2983 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
71c61f62 2984 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
f69f51b3 2985 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2f138f0b 2986 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
bc574408 2987 enable dos_paths
d22e8442 2988 ;;
83993c1c 2989 gnu/kfreebsd)
3bd1eacd 2990 add_cppflags -D_BSD_SOURCE
83993c1c 2991 ;;
34e82167 2992 gnu)
34e82167 2993 ;;
d33ed7b3
MR
2994 qnx)
2995 add_cppflags -D_QNX_SOURCE
2996 network_extralibs="-lsocket"
2997 ;;
1c69c79f
MS
2998 symbian)
2999 SLIBSUF=".dll"
3000 enable dos_paths
e3bc07f4
MS
3001 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3002 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3003 add_ldflags -Wl,--target1-abs,--no-undefined \
3004 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3005 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3006 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3007 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3008 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
1c69c79f 3009 ;;
fdd66609
MR
3010 osf1)
3011 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3012 AVSERVERLDFLAGS=
3013 ;;
741a8b72
MR
3014 minix)
3015 ;;
4ebc6a74
MR
3016 plan9)
3017 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3018 -D_REENTRANT_SOURCE \
3019 -D_RESEARCH_SOURCE \
3020 -DFD_SETSIZE=96 \
3021 -DHAVE_SOCK_OPTS
3022 add_compat strtod.o strtod=avpriv_strtod
3023 network_extralibs='-lbsd'
3024 exeobjs=compat/plan9/main.o
3025 disable avserver
3026 ln_s='ln -s -f'
3027 cp_f='cp'
3028 ;;
614d8911
MR
3029 none)
3030 ;;
7483e694 3031 *)
4f924f9a 3032 die "Unknown OS '$target_os'."
7483e694
DB
3033 ;;
3034esac
3035
b797f3c4
MR
3036# determine libc flavour
3037
3038if check_cpp_condition features.h "defined __UCLIBC__"; then
3039 libc_type=uclibc
3bd1eacd 3040 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
b797f3c4
MR
3041elif check_cpp_condition features.h "defined __GLIBC__"; then
3042 libc_type=glibc
3bd1eacd 3043 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
29f1fa74
DB
3044# MinGW headers can be installed on Cygwin, so check for newlib first.
3045elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3046 libc_type=newlib
3047 add_cppflags -U__STRICT_ANSI__
b797f3c4
MR
3048elif check_header _mingw.h; then
3049 libc_type=mingw
3050 check_cpp_condition _mingw.h \
3051 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3052 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3053 die "ERROR: MinGW runtime version must be >= 3.15."
4fa661a8
RB
3054elif check_func_headers stdlib.h _get_doserrno; then
3055 libc_type=msvcrt
84e65c76
MR
3056 add_compat strtod.o strtod=avpriv_strtod
3057 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3058 _snprintf=avpriv_snprintf \
3059 vsnprintf=avpriv_vsnprintf
b797f3c4
MR
3060elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3061 libc_type=klibc
3062fi
3063
3064test -n "$libc_type" && enable $libc_type
3065
5ab432fa
MR
3066# hacks for compiler/libc/os combinations
3067
3068if enabled_all tms470 glibc; then
b6f8d635 3069 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
5ab432fa
MR
3070 add_cppflags -D__USER_LABEL_PREFIX__=
3071 add_cppflags -D__builtin_memset=memset
3072 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3073 add_cflags -pds=48 # incompatible redefinition of macro
3074fi
3075
457cc333
MR
3076if enabled_all ccc glibc; then
3077 add_ldflags -Wl,-z,now # calls to libots crash without this
3078fi
3079
6555acad
MR
3080esc(){
3081 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3082}
3083
3084echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
db7515fd 3085
13cb2187
AS
3086check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
3087
c9d19248 3088set_default $PATHS_LIST
2a8a860a 3089set_default nm
c9d19248 3090
320d060a 3091# we need to build at least one lib type
93b3c083 3092if ! enabled_any static shared; then
320d060a
DB
3093 cat <<EOF
3094At least one library type must be built.
3095Specify --enable-static to build the static libraries or --enable-shared to
3096build the shared libraries as well. To only build the shared libraries specify
3097--disable-static in addition to --enable-shared.
3098EOF
3099 exit 1;
3100fi
3101
2184c6f7 3102die_license_disabled() {
4c27207c 3103 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
3104}
3105
e417d80d 3106die_license_disabled gpl libcdio
2184c6f7 3107die_license_disabled gpl libx264
de295976 3108die_license_disabled gpl libxavs
2184c6f7 3109die_license_disabled gpl libxvid
2184c6f7
DB
3110die_license_disabled gpl x11grab
3111
2f7ae63b 3112die_license_disabled nonfree libfaac
87246953 3113die_license_disabled nonfree libfdk_aac
a060866f 3114die_license_disabled nonfree openssl
b2e3c528 3115
0b175caa
DB
3116die_license_disabled version3 libopencore_amrnb
3117die_license_disabled version3 libopencore_amrwb
d89e738a 3118die_license_disabled version3 libvo_aacenc
f502ff3f 3119die_license_disabled version3 libvo_amrwbenc
0b175caa 3120
9cad0e4e 3121enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 3122
40617a6d 3123disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 3124
e276d9e8
MR
3125enable_pic() {
3126 enable pic
bce7b696
MR
3127 add_cppflags -DPIC
3128 add_cflags -fPIC
3129 add_asflags -fPIC
e276d9e8
MR
3130}
3131
3132enabled pic && enable_pic
bce7b696 3133
b4d96ba2
MR
3134check_cc <<EOF || die "Symbol mangling check failed."
3135int ff_extern;
3136EOF
2a8a860a 3137sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
3138extern_prefix=${sym%%ff_extern*}
3139
afb5ed55 3140check_cc <<EOF && enable_weak inline_asm
f65883c8
MR
3141void foo(void) { __asm__ volatile ("" ::); }
3142EOF
61d251db 3143
df5e3978
MR
3144_restrict=
3145for restrict_keyword in restrict __restrict__ __restrict; do
3146 check_cc <<EOF && _restrict=$restrict_keyword && break
3147void foo(char * $restrict_keyword p);
3148EOF
3149done
3150
3151check_cc <<EOF && enable attribute_packed
3152struct { int x; } __attribute__((packed)) x;
3153EOF
3154
dffb41b9
MR
3155check_cc <<EOF && enable attribute_may_alias
3156union { int x; } __attribute__((may_alias)) x;
3157EOF
3158
df5e3978
MR
3159check_cc <<EOF || die "endian test failed"
3160unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3161EOF
48fc536a 3162od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 3163
e939cedd
MR
3164if enabled alpha; then
3165
3166 check_cflags -mieee
3167
3168elif enabled arm; then
e45391bb 3169
66371c28 3170 check_cpp_condition stddef.h "defined __thumb__" && enable_weak thumb
8986fddc 3171 enabled thumb && check_cflags -mthumb || check_cflags -marm
301ab19d 3172 nogas=die
50fa82e6 3173
44caaa56
MR
3174 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3175 enable vfp_args
3176 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3177 case "${cross_prefix:-$cc}" in
3178 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3179 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
fa0912fe
MR
3180__asm__ (".eabi_attribute 28, 1");
3181int main(void) { return 0; }
3182EOF
44caaa56
MR
3183 esac
3184 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3185 fi
fa0912fe 3186
7f2b3dca
MR
3187 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
3188 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
3189 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
7f2b3dca 3190 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
b3267559 3191 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
7f2b3dca
MR
3192 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
3193
b57c1da8
MR
3194 [ $target_os = linux ] ||
3195 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
3196 $ARCH_EXT_LIST_ARM
e45391bb 3197
575db883
DB
3198 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3199 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
6308729e 3200
e276d9e8
MR
3201 enabled_all armv6t2 shared !pic && enable_pic
3202
fa0912fe 3203elif enabled mips; then
e45391bb 3204
575db883 3205 check_inline_asm loongson '"dmult.g $1, $2, $3"'
e45391bb 3206
5af530f5
MR
3207elif enabled parisc; then
3208
3209 if enabled gcc; then
3210 case $($cc -dumpversion) in
3211 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
3212 esac
3213 fi
3214
fa0912fe 3215elif enabled ppc; then
e45391bb 3216
e6a0c354
MR
3217 enable local_aligned_8 local_aligned_16
3218
575db883
DB
3219 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
3220 check_inline_asm ibm_asm '"add 0, 0, 0"'
3221 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
3222 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
3223
3224 # AltiVec flags: The FSF version of GCC differs from the Apple version
3225 if enabled altivec; then
301ab19d 3226 nogas=warn
fa0912fe
MR
3227 check_cflags -maltivec -mabi=altivec &&
3228 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3229 check_cflags -faltivec
3230
3231 # check if our compiler supports Motorola AltiVec C API
3232 check_cc <<EOF || disable altivec
3233$inc_altivec_h
3234int main(void) {
20bcce50
MR
3235 vector signed int v1 = (vector signed int) { 0 };
3236 vector signed int v2 = (vector signed int) { 1 };
3237 v1 = vec_add(v1, v2);
fa0912fe
MR
3238 return 0;
3239}
3240EOF
3241
20bcce50 3242 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
fa0912fe 3243 fi
e45391bb 3244
fa0912fe 3245elif enabled sparc; then
e45391bb 3246
6aa93689 3247 enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
e45391bb 3248
fa0912fe 3249elif enabled x86; then
e45391bb 3250
8e85ba8d
DB
3251 check_code ld intrin.h "__rdtsc()" && enable rdtsc
3252
f80ddd5b
RB
3253 check_code ld mmintrin.h "_mm_empty()" && enable mm_empty
3254
e6a0c354
MR
3255 enable local_aligned_8 local_aligned_16
3256
44965991
PI
3257 # check whether EBP is available on x86
3258 # As 'i' is stored on the stack, this program will crash
3259 # if the base pointer is used to access it because the
3260 # base pointer is cleared in the inline assembly code.
7dfef245 3261 check_exec_crash <<EOF && enable ebp_available
f69f51b3
DB
3262volatile int i=0;
3263__asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
3264return i;
44965991
PI
3265EOF
3266
f494213c 3267 # check whether EBX is available on x86
575db883
DB
3268 check_inline_asm ebx_available '""::"b"(0)' &&
3269 check_inline_asm ebx_available '"":::"%ebx"'
8e380710 3270
6f74fb03 3271 # check whether xmm clobbers are supported
575db883 3272 check_inline_asm xmm_clobbers '"":::"%xmm0"'
6f74fb03 3273
239fdf1b 3274 # check whether binutils is new enough to compile SSSE3/MMXEXT
43b73d59
DB
3275 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
3276 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
6bd859d6 3277
9cca1e40 3278 if ! disabled_any asm mmx yasm; then
b6c06894
MR
3279 if check_cmd $yasmexe --version; then
3280 enabled x86_64 && yasm_extra="-m amd64"
3281 yasm_debug="-g dwarf2"
3282 elif check_cmd nasm -v; then
3283 yasmexe=nasm
3284 yasm_debug="-g -F dwarf"
3285 enabled x86_64 && test "$objformat" = elf && objformat=elf64
3286 fi
3287
3288 YASMFLAGS="-f $objformat $yasm_extra"
3289 enabled pic && append YASMFLAGS "-DPIC"
3290 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
3291 case "$objformat" in
3292 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3293 esac
3294
b8e8a07c 3295 check_yasm "vextractf128 xmm0, ymm0, 0" && enable yasm ||
25432e85 3296 die "yasm not found, use --disable-yasm for a crippled build"
43b73d59 3297 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
180d43bc 3298 check_yasm "CPU amdnop" && enable cpunop
31a0dcb2 3299 fi
e45391bb 3300
669b5583
MR
3301 case "$cpu" in
3302 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3303 disable fast_clz
3304 ;;
3305 esac
3306
44965991
PI
3307fi
3308
301ab19d
MR
3309if enabled asm; then
3310 as=${gas:=$as}
7fd90119 3311 check_as <<EOF && enable gnu_as || \
301ab19d 3312 $nogas "GNU assembler not found, install gas-preprocessor"
7fd90119
MR
3313.macro m n
3314\n: .int 0
3315.endm
3316m x
3317EOF
301ab19d
MR
3318fi
3319
4a7e068b
MR
3320check_ldflags -Wl,--as-needed
3321
a98bb16d
RP
3322if check_func dlopen; then
3323 ldl=
3324elif check_func dlopen -ldl; then
3325 ldl=-ldl
8bf5d58f
MN
3326fi