configure: Add sanitize_var_name convenience function
[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 123 --disable-network disable network support [no]
7f3f5f46 124 --disable-dct disable DCT code
193cdd9a 125 --disable-lsp disable LSP code
2a91ada8 126 --disable-lzo disable LZO decoder code
06454877
MR
127 --disable-mdct disable MDCT code
128 --disable-rdft disable RDFT code
3b327a4b 129 --disable-fft disable FFT code
70b348ec
DB
130
131Hardware accelerators:
3b327a4b 132 --enable-dxva2 enable DXVA2 code
dcb73592 133 --enable-vaapi enable VAAPI code
ac3dbb4d 134 --enable-vda enable VDA code
e8f6bd4b 135 --enable-vdpau enable VDPAU code
3b327a4b
DB
136
137Individual component options:
bb55e3a3 138 --disable-everything disable all components listed below
06454877
MR
139 --disable-encoder=NAME disable encoder NAME
140 --enable-encoder=NAME enable encoder NAME
141 --disable-encoders disable all encoders
142 --disable-decoder=NAME disable decoder NAME
143 --enable-decoder=NAME enable decoder NAME
144 --disable-decoders disable all decoders
145 --disable-hwaccel=NAME disable hwaccel NAME
146 --enable-hwaccel=NAME enable hwaccel NAME
147 --disable-hwaccels disable all hwaccels
148 --disable-muxer=NAME disable muxer NAME
149 --enable-muxer=NAME enable muxer NAME
150 --disable-muxers disable all muxers
151 --disable-demuxer=NAME disable demuxer NAME
152 --enable-demuxer=NAME enable demuxer NAME
153 --disable-demuxers disable all demuxers
154 --enable-parser=NAME enable parser NAME
155 --disable-parser=NAME disable parser NAME
156 --disable-parsers disable all parsers
157 --enable-bsf=NAME enable bitstream filter NAME
158 --disable-bsf=NAME disable bitstream filter NAME
159 --disable-bsfs disable all bitstream filters
160 --enable-protocol=NAME enable protocol NAME
161 --disable-protocol=NAME disable protocol NAME
162 --disable-protocols disable all protocols
3b327a4b 163 --enable-indev=NAME enable input device NAME
06454877 164 --disable-indev=NAME disable input device NAME
06454877 165 --disable-indevs disable input devices
3b327a4b
DB
166 --enable-outdev=NAME enable output device NAME
167 --disable-outdev=NAME disable output device NAME
06454877
MR
168 --disable-outdevs disable output devices
169 --disable-devices disable all devices
170 --enable-filter=NAME enable filter NAME
171 --disable-filter=NAME disable filter NAME
172 --disable-filters disable all filters
06454877
MR
173
174External library support:
175 --enable-avisynth enable reading of AVISynth script files [no]
176 --enable-bzlib enable bzlib [autodetect]
47941088 177 --enable-frei0r enable frei0r video filtering
bc8c1395 178 --enable-gnutls enable gnutls [no]
e417d80d 179 --enable-libcdio enable audio CD grabbing with libcdio
06454877
MR
180 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
181 and libraw1394 [no]
c547e5ff
DB
182 --enable-libfaac enable AAC encoding via libfaac [no]
183 --enable-libfdk-aac enable AAC encoding via libfdk-aac [no]
a5b64584 184 --enable-libfreetype enable libfreetype [no]
c547e5ff 185 --enable-libgsm enable GSM de/encoding via libgsm [no]
3641b048 186 --enable-libilbc enable iLBC de/encoding via libilbc [no]
06454877 187 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
becc3c62
MS
188 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
189 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
190 --enable-libopencv enable video filtering via libopencv [no]
453c02f9 191 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
44617d6e 192 --enable-libopus enable Opus decoding via libopus [no]
7c922411 193 --enable-libpulse enable Pulseaudio input via libpulse [no]
0f943ce6 194 --enable-librtmp enable RTMP[E] support via librtmp [no]
c547e5ff
DB
195 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
196 --enable-libspeex enable Speex de/encoding via libspeex [no]
06454877 197 --enable-libtheora enable Theora encoding via libtheora [no]
d89e738a 198 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
f502ff3f 199 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
c547e5ff 200 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
3f111804 201 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
06454877 202 --enable-libx264 enable H.264 encoding via x264 [no]
de295976 203 --enable-libxavs enable AVS encoding via xavs [no]
06454877
MR
204 --enable-libxvid enable Xvid encoding via xvidcore,
205 native MPEG-4/Xvid encoder exists [no]
a060866f 206 --enable-openssl enable openssl [no]
45235ac4 207 --enable-x11grab enable X11 grabbing [no]
06454877
MR
208 --enable-zlib enable zlib [autodetect]
209
210Advanced options (experts only):
06454877
MR
211 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
212 --enable-cross-compile assume a cross-compiler is used
213 --sysroot=PATH root of cross-build tree
214 --sysinclude=PATH location of cross-build system headers
215 --target-os=OS compiler targets OS [$target_os]
216 --target-exec=CMD command to run executables on target
217 --target-path=DIR path to view of build directory on target
aeeb782c 218 --toolchain=NAME set tool defaults according to NAME
06454877 219 --nm=NM use nm tool
121d78d0 220 --ar=AR use archive tool AR [$ar_default]
06454877
MR
221 --as=AS use assembler AS [$as_default]
222 --cc=CC use C compiler CC [$cc_default]
193cdd9a 223 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
06454877
MR
224 --ld=LD use linker LD
225 --host-cc=HOSTCC use host C compiler HOSTCC
226 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
4cc4b33f 227 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
095792f2 228 --host-ld=HOSTLD use host linker HOSTLD
06454877
MR
229 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
230 --host-libs=HLIBS use libs HLIBS when linking for host
193cdd9a 231 --host-os=OS compiler host OS [$target_os]
06454877
MR
232 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
233 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
234 --extra-libs=ELIBS add ELIBS [$ELIBS]
235 --extra-version=STRING version string suffix []
193cdd9a 236 --optflags=OPTFLAGS override optimization-related compiler flags
06454877 237 --build-suffix=SUFFIX library name suffix []
3b327a4b 238 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
06454877
MR
239 --arch=ARCH select architecture [$arch]
240 --cpu=CPU select the minimum required CPU (affects
241 instruction selection, may crash on older CPUs)
3b327a4b
DB
242 --enable-pic build position-independent code
243 --enable-sram allow use of on-chip SRAM
193cdd9a 244 --enable-thumb compile for Thumb instruction set
3b327a4b 245 --disable-symver disable symbol versioning
3b327a4b
DB
246 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
247 --disable-safe-bitstream-reader
248 disable buffer boundary checking in bitreaders
249 (faster, but may crash)
250 --enable-memalign-hack emulate memalign, interferes with memory debuggers
65d12900 251 --enable-lto use link-time optimization
3b327a4b
DB
252
253Optimization options (experts only):
c8a4ae00 254 --disable-asm disable all assembler optimizations
06454877
MR
255 --disable-altivec disable AltiVec optimizations
256 --disable-amd3dnow disable 3DNow! optimizations
257 --disable-amd3dnowext disable 3DNow! extended optimizations
258 --disable-mmx disable MMX optimizations
239fdf1b 259 --disable-mmxext disable MMXEXT optimizations
06454877 260 --disable-sse disable SSE optimizations
50cd43f2
DB
261 --disable-sse2 disable SSE2 optimizations
262 --disable-sse3 disable SSE3 optimizations
06454877 263 --disable-ssse3 disable SSSE3 optimizations
50cd43f2
DB
264 --disable-sse4 disable SSE4 optimizations
265 --disable-sse42 disable SSE4.2 optimizations
87f1355f 266 --disable-avx disable AVX optimizations
79687079 267 --disable-fma4 disable FMA4 optimizations
06454877
MR
268 --disable-armv5te disable armv5te optimizations
269 --disable-armv6 disable armv6 optimizations
270 --disable-armv6t2 disable armv6t2 optimizations
b3267559 271 --disable-vfp disable VFP optimizations
5ea20630 272 --disable-neon disable NEON optimizations
06454877 273 --disable-vis disable VIS optimizations
afb5ed55 274 --disable-inline-asm disable use of inline assembler
06454877 275 --disable-yasm disable use of yasm assembler
06454877 276
070c5d0f 277Developer options (useful when working on Libav itself):
06454877
MR
278 --disable-debug disable debugging symbols
279 --enable-debug=LEVEL set the debug level [$debuglevel]
06454877
MR
280 --disable-optimizations disable compiler optimizations
281 --enable-extra-warnings enable more compiler warnings
52b3cc60 282 --samples=PATH location of test samples for FATE, if not set use
9309bdfe 283 \$LIBAV_SAMPLES at make invocation time.
7e4d9d5d
RB
284 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
285 should be used only for debugging purposes)
154caa67
MR
286 --enable-random randomly enable/disable components
287 --disable-random
288 --enable-random=LIST randomly enable/disable specific components or
289 --disable-random=LIST component groups. LIST is a comma-separated list
290 of NAME[:PROB] entries where NAME is a component
291 (group) and PROB the probability associated with
292 NAME (default 0.5).
293 --random-seed=VALUE seed value for --enable/disable-random
06454877
MR
294
295NOTE: Object files are built at the place where configure is launched.
296EOF
60e8bc13 297 exit 0
74c53c2d 298}
cf9d24ad 299
0884fadf
MR
300quotes='""'
301
57bd82d4 302log(){
2270b4b2 303 echo "$@" >> $logfile
57bd82d4
MR
304}
305
720c69da 306log_file(){
c8e9f801 307 log BEGIN $1
2270b4b2 308 pr -n -t $1 >> $logfile
c8e9f801
MR
309 log END $1
310}
311
2ba042a7 312echolog(){
c8e9f801 313 log "$@"
57bd82d4 314 echo "$@"
2ba042a7
MR
315}
316
7bfc8ae6
MR
317warn(){
318 log "WARNING: $*"
319 WARNINGS="${WARNINGS}WARNING: $*\n"
320}
321
2ba042a7
MR
322die(){
323 echolog "$@"
324 cat <<EOF
d326cf7f 325
2ba042a7 326If you think configure made a mistake, make sure you are using the latest
4a6a21f5 327version from Git. If the latest version fails, report the problem to the
070c5d0f 328libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
2ba042a7 329EOF
e155a21a 330 if disabled logging; then
2ba042a7 331 cat <<EOF
e155a21a
DB
332Rerun configure with logging enabled (do not use --disable-logging), and
333include the log this produces with your report.
2ba042a7
MR
334EOF
335 else
f69f51b3 336 cat <<EOF
e155a21a
DB
337Include the log file "$logfile" produced by configure as this will help
338solving the problem.
2ba042a7
MR
339EOF
340 fi
57bd82d4
MR
341 exit 1
342}
343
6c6007d6 344# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 345toupper(){
6c6007d6 346 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
44161118
MR
347}
348
4a5444db 349tolower(){
6c6007d6 350 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
4a5444db
MR
351}
352
14a8acf1
MR
353c_escape(){
354 echo "$*" | sed 's/["\\]/\\\0/g'
355}
356
b04251c5
MR
357sh_quote(){
358 v=$(echo "$1" | sed "s/'/'\\\\''/g")
d72c981c 359 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
b04251c5
MR
360 echo "$v"
361}
362
bb7a22b5
MR
363cleanws(){
364 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
365}
366
be8f2501
MR
367filter(){
368 pat=$1
369 shift
370 for v; do
98ef6079 371 eval "case $v in $pat) echo $v ;; esac"
be8f2501
MR
372 done
373}
374
9d201b26
MR
375filter_out(){
376 pat=$1
377 shift
378 for v; do
379 eval "case $v in $pat) ;; *) echo $v ;; esac"
380 done
381}
382
36e2dea0
MR
383map(){
384 m=$1
385 shift
e0e335a0 386 for v; do eval $m; done
36e2dea0
MR
387}
388
43b73d59
DB
389add_suffix(){
390 suffix=$1
391 shift
392 for v; do echo ${v}${suffix}; done
393}
394
a8d04fba
MR
395set_all(){
396 value=$1
397 shift
398 for var in $*; do
399 eval $var=$value
400 done
401}
402
72a43668
MR
403set_weak(){
404 value=$1
405 shift
406 for var; do
407 eval : \${$var:=$value}
408 done
409}
410
f868b24d
DB
411sanitize_var_name(){
412 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
413}
414
3f8040db
MR
415set_safe(){
416 var=$1
417 shift
f868b24d 418 eval $(sanitize_var_name "$var")='$*'
3f8040db
MR
419}
420
421get_safe(){
f868b24d 422 eval echo \$$(sanitize_var_name "$1")
3f8040db
MR
423}
424
799c9e9b
MR
425pushvar(){
426 for var in $*; do
427 eval level=\${${var}_level:=0}
428 eval ${var}_${level}="\$$var"
429 eval ${var}_level=$(($level+1))
430 done
431}
432
433popvar(){
434 for var in $*; do
435 eval level=\${${var}_level:-0}
436 test $level = 0 && continue
437 eval level=$(($level-1))
438 eval $var="\${${var}_${level}}"
439 eval ${var}_level=$level
440 eval unset ${var}_${level}
441 done
442}
443
a8d04fba
MR
444enable(){
445 set_all yes $*
446}
447
448disable(){
449 set_all no $*
450}
451
72a43668
MR
452enable_weak(){
453 set_weak yes $*
454}
455
456disable_weak(){
457 set_weak no $*
458}
459
72702705 460enable_safe(){
fd07f803
MR
461 for var; do
462 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
463 done
72702705
MR
464}
465
466disable_safe(){
fd07f803
MR
467 for var; do
468 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
469 done
72702705
MR
470}
471
f9d328da
MR
472do_enable_deep(){
473 for var; do
474 enabled $var && continue
475 eval sel="\$${var}_select"
c510c7b5
MR
476 eval sgs="\$${var}_suggest"
477 pushvar var sgs
f9d328da 478 enable_deep $sel
c510c7b5
MR
479 popvar sgs
480 enable_deep_weak $sgs
f9d328da
MR
481 popvar var
482 done
483}
484
485enable_deep(){
486 do_enable_deep $*
487 enable $*
488}
489
72a43668
MR
490enable_deep_weak(){
491 do_enable_deep $*
492 enable_weak $*
493}
494
57bd82d4 495enabled(){
3250003c
MR
496 test "${1#!}" = "$1" && op== || op=!=
497 eval test "x\$${1#!}" $op "xyes"
44161118
MR
498}
499
37970ebf 500disabled(){
3250003c
MR
501 test "${1#!}" = "$1" && op== || op=!=
502 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
503}
504
44161118
MR
505enabled_all(){
506 for opt; do
507 enabled $opt || return 1
508 done
509}
510
85bca2c5
DB
511disabled_all(){
512 for opt; do
513 disabled $opt || return 1
514 done
515}
516
44161118
MR
517enabled_any(){
518 for opt; do
519 enabled $opt && return 0
520 done
521}
522
85bca2c5
DB
523disabled_any(){
524 for opt; do
525 disabled $opt && return 0
526 done
f7b230a7 527 return 1
85bca2c5
DB
528}
529
c9d19248
MR
530set_default(){
531 for opt; do
88268e94 532 eval : \${$opt:=\$${opt}_default}
c9d19248
MR
533 done
534}
535
4a0d6686
AJ
536is_in(){
537 value=$1
538 shift
539 for var in $*; do
540 [ $var = $value ] && return 0
541 done
542 return 1
543}
544
d4f8cecc 545do_check_deps(){
30fd06be 546 for cfg; do
3250003c 547 cfg="${cfg#!}"
799c9e9b
MR
548 enabled ${cfg}_checking && die "Circular dependency for $cfg."
549 disabled ${cfg}_checking && continue
550 enable ${cfg}_checking
d4f8cecc 551 append allopts $cfg
799c9e9b 552
30fd06be
MR
553 eval dep_all="\$${cfg}_deps"
554 eval dep_any="\$${cfg}_deps_any"
7ef3425f 555 eval dep_sel="\$${cfg}_select"
c510c7b5 556 eval dep_sgs="\$${cfg}_suggest"
3d7453e0
MR
557 eval dep_ifa="\$${cfg}_if"
558 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 559
3d7453e0 560 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
d4f8cecc 561 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
3d7453e0 562 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 563
3d7453e0
MR
564 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
565 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
6a702d4c
MR
566 enabled_all $dep_all || disable $cfg
567 enabled_any $dep_any || disable $cfg
7ef3425f 568 disabled_any $dep_sel && disable $cfg
799c9e9b 569
4ec45764 570 if enabled $cfg; then
f9d328da 571 enable_deep $dep_sel
c510c7b5 572 enable_deep_weak $dep_sgs
4ec45764
RP
573 fi
574
799c9e9b 575 disable ${cfg}_checking
30fd06be
MR
576 done
577}
578
d4f8cecc
MR
579check_deps(){
580 unset allopts
581
582 do_check_deps "$@"
583
584 for cfg in $allopts; do
585 enabled $cfg || continue
586 eval dep_extralibs="\$${cfg}_extralibs"
587 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
588 done
589}
590
44161118
MR
591print_config(){
592 pfx=$1
72cfcf41
MR
593 files=$2
594 shift 2
f454e879
MR
595 map 'eval echo "$v \${$v:-no}"' "$@" |
596 awk "BEGIN { split(\"$files\", files) }
597 {
598 c = \"$pfx\" toupper(\$1);
599 v = \$2;
600 sub(/yes/, 1, v);
601 sub(/no/, 0, v);
602 for (f in files) {
603 file = files[f];
604 if (file ~ /\\.h\$/) {
605 printf(\"#define %s %d\\n\", c, v) >>file;
606 } else if (file ~ /\\.asm\$/) {
607 printf(\"%%define %s %d\\n\", c, v) >>file;
608 } else if (file ~ /\\.mak\$/) {
d16c4aeb 609 n = -v ? \"\" : \"!\";
f454e879
MR
610 printf(\"%s%s=yes\\n\", n, c) >>file;
611 }
612 }
613 }"
57bd82d4
MR
614}
615
31c0121d 616print_enabled(){
31c0121d
MR
617 suf=$1
618 shift
619 for v; do
9eda2a85 620 enabled $v && printf "%s\n" ${v%$suf};
31c0121d
MR
621 done
622}
623
57bd82d4
MR
624append(){
625 var=$1
626 shift
57bd82d4
MR
627 eval "$var=\"\$$var $*\""
628}
629
60361817
MR
630prepend(){
631 var=$1
632 shift
633 eval "$var=\"$* \$$var\""
634}
635
50a334e4 636add_cppflags(){
cd52ec95 637 append CPPFLAGS "$@"
50a334e4
MR
638}
639
57bd82d4 640add_cflags(){
01d31e16 641 append CFLAGS $($cflags_filter "$@")
57bd82d4
MR
642}
643
2f2e6c7c 644add_asflags(){
01d31e16 645 append ASFLAGS $($asflags_filter "$@")
2f2e6c7c
MR
646}
647
57bd82d4 648add_ldflags(){
64933b6c 649 append LDFLAGS $($ldflags_filter "$@")
57bd82d4
MR
650}
651
652add_extralibs(){
64933b6c 653 prepend extralibs $($ldflags_filter "$@")
57bd82d4
MR
654}
655
4cc4b33f
DB
656add_host_cppflags(){
657 append host_cppflags "$@"
658}
659
6c3fa06a
MR
660add_host_cflags(){
661 append host_cflags $($host_cflags_filter "$@")
662}
663
664add_host_ldflags(){
665 append host_ldflags $($host_ldflags_filter "$@")
666}
667
84e65c76
MR
668add_compat(){
669 append compat_objs $1
670 shift
671 map 'add_cppflags -D$v' "$@"
672}
673
b0cfb663 674check_cmd(){
b3cb5d51 675 log "$@"
2270b4b2 676 "$@" >> $logfile 2>&1
b0cfb663
MR
677}
678
b2704a65
MR
679cc_o(){
680 eval printf '%s\\n' $CC_O
681}
682
18031c49
MR
683cc_e(){
684 eval printf '%s\\n' $CC_E
685}
686
dcd479c0 687check_cc(){
57bd82d4 688 log check_cc "$@"
2270b4b2 689 cat > $TMPC
720c69da 690 log_file $TMPC
23565c26 691 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
57bd82d4
MR
692}
693
694check_cpp(){
695 log check_cpp "$@"
2270b4b2 696 cat > $TMPC
720c69da 697 log_file $TMPC
18031c49 698 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
dcd479c0
MR
699}
700
df0d6341
MR
701as_o(){
702 eval printf '%s\\n' $AS_O
703}
704
f65883c8
MR
705check_as(){
706 log check_as "$@"
7fd90119
MR
707 cat > $TMPS
708 log_file $TMPS
709 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
f65883c8
MR
710}
711
575db883
DB
712check_inline_asm(){
713 log check_inline_asm "$@"
940f335a 714 name="$1"
3784e82e 715 code="$2"
940f335a 716 shift 2
49214f61 717 disable $name
7fd90119 718 check_cc "$@" <<EOF && enable $name
3784e82e 719void foo(void){ __asm__ volatile($code); }
940f335a
MR
720EOF
721}
722
c6ebc9fa
MR
723check_insn(){
724 log check_insn "$@"
725 check_inline_asm ${1}_inline "\"$2\""
726 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
727}
728
304d586d
LM
729check_yasm(){
730 log check_yasm "$@"
731 echo "$1" > $TMPS
732 log_file $TMPS
733 shift 1
734 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
735}
736
29b64b68
MR
737ld_o(){
738 eval printf '%s\\n' $LD_O
739}
740
dcd479c0 741check_ld(){
57bd82d4 742 log check_ld "$@"
66a1ccd7
MR
743 flags=$(filter_out '-l*' "$@")
744 libs=$(filter '-l*' "$@")
01d31e16 745 check_cc $($cflags_filter $flags) || return
64933b6c
MR
746 flags=$($ldflags_filter $flags)
747 libs=$($ldflags_filter $libs)
29b64b68 748 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
dcd479c0
MR
749}
750
5adc829e
MR
751check_code(){
752 log check_code "$@"
753 check=$1
754 headers=$2
755 code=$3
756 shift 3
757 {
758 for hdr in $headers; do
759 echo "#include <$hdr>"
760 done
761 echo "int main(void) { $code; return 0; }"
762 } | check_$check "$@"
763}
764
50a334e4
MR
765check_cppflags(){
766 log check_cppflags "$@"
caf458dd 767 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
768int x;
769EOF
770}
771
dcd479c0 772check_cflags(){
57bd82d4 773 log check_cflags "$@"
01d31e16 774 set -- $($cflags_filter "$@")
caf458dd 775 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
776int x;
777EOF
778}
779
2ed46eea
MR
780test_ldflags(){
781 log test_ldflags "$@"
782 check_ld "$@" <<EOF
c23a0ac8 783int main(void){ return 0; }
dcd479c0
MR
784EOF
785}
786
2ed46eea
MR
787check_ldflags(){
788 log check_ldflags "$@"
789 test_ldflags "$@" && add_ldflags "$@"
790}
791
dcd479c0 792check_header(){
57bd82d4 793 log check_header "$@"
dcd479c0
MR
794 header=$1
795 shift
b77df637
MR
796 disable_safe $header
797 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
798#include <$header>
799int x;
800EOF
801}
802
803check_func(){
57bd82d4 804 log check_func "$@"
dcd479c0
MR
805 func=$1
806 shift
d8bc5f06
MR
807 disable $func
808 check_ld "$@" <<EOF && enable $func
dcd479c0 809extern int $func();
c23a0ac8 810int main(void){ $func(); }
dcd479c0
MR
811EOF
812}
813
645d2652 814check_mathfunc(){
6b73c0ae 815 log check_mathfunc "$@"
645d2652 816 func=$1
1aa07aa2
MR
817 narg=$2
818 shift 2
819 test $narg = 2 && args="f, g" || args="f"
645d2652
MR
820 disable $func
821 check_ld "$@" <<EOF && enable $func
822#include <math.h>
1aa07aa2 823float foo(float f, float g) { return $func($args); }
33bd38db 824int main(void){ return 0; }
645d2652
MR
825EOF
826}
827
2446d3d6
DB
828check_func_headers(){
829 log check_func_headers "$@"
f8d7b072 830 headers=$1
edaf1ae2 831 funcs=$2
f8d7b072 832 shift 2
edaf1ae2
MR
833 {
834 for hdr in $headers; do
835 echo "#include <$hdr>"
836 done
837 for func in $funcs; do
838 echo "long check_$func(void) { return (long) $func; }"
839 done
840 echo "int main(void) { return 0; }"
841 } | check_ld "$@" && enable $funcs && enable_safe $headers
f8d7b072
MR
842}
843
a5344cf7
SS
844check_cpp_condition(){
845 log check_cpp_condition "$@"
846 header=$1
847 condition=$2
f855b7b9 848 shift 2
cd52ec95 849 check_cpp "$@" <<EOF
a5344cf7
SS
850#include <$header>
851#if !($condition)
852#error "unsatisfied condition: $condition"
853#endif
854EOF
855}
856
57bd82d4
MR
857check_lib(){
858 log check_lib "$@"
859 header="$1"
860 func="$2"
861 shift 2
84400e9d 862 check_header $header && check_func $func "$@" && add_extralibs "$@"
57bd82d4
MR
863}
864
f8d7b072
MR
865check_lib2(){
866 log check_lib2 "$@"
867 headers="$1"
edaf1ae2 868 funcs="$2"
f8d7b072 869 shift 2
edaf1ae2 870 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
f8d7b072
MR
871}
872
3f8040db
MR
873check_pkg_config(){
874 log check_pkg_config "$@"
875 pkg="$1"
876 headers="$2"
877 funcs="$3"
878 shift 3
879 $pkg_config --exists $pkg || return
880 pkg_cflags=$($pkg_config --cflags $pkg)
881 pkg_libs=$($pkg_config --libs $pkg)
882 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
883 set_safe ${pkg}_cflags $pkg_cflags &&
884 set_safe ${pkg}_libs $pkg_libs
885}
886
dcd479c0 887check_exec(){
2270b4b2 888 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
889}
890
7dfef245 891check_exec_crash(){
5e622c40 892 code=$(cat)
7dfef245
MR
893
894 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
895 # are safe but may not be available everywhere. Thus we use
896 # raise(SIGTERM) instead. The check is run in a subshell so we
897 # can redirect the "Terminated" message from the shell. SIGBUS
898 # is not defined by standard C so it is used conditionally.
899
2270b4b2 900 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
901#include <signal.h>
902static void sighandler(int sig){
903 raise(SIGTERM);
904}
692dd8ed
MR
905int foo(void){
906 $code
907}
e5af4a11 908int main(void){
7dfef245
MR
909 signal(SIGILL, sighandler);
910 signal(SIGFPE, sighandler);
911 signal(SIGSEGV, sighandler);
912#ifdef SIGBUS
913 signal(SIGBUS, sighandler);
914#endif
692dd8ed 915 foo();
7dfef245
MR
916}
917EOF
918}
919
72be9e73
DY
920check_type(){
921 log check_type "$@"
922 headers=$1
923 type=$2
924 shift 2
ae550ce9 925 disable_safe "$type"
5adc829e 926 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
72be9e73
DY
927}
928
14d36751 929check_struct(){
813b82b9 930 log check_struct "$@"
14d36751
MR
931 headers=$1
932 struct=$2
933 member=$3
934 shift 3
935 disable_safe "${struct}_${member}"
5adc829e
MR
936 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
937 enable_safe "${struct}_${member}"
14d36751
MR
938}
939
57bd82d4
MR
940require(){
941 name="$1"
942 header="$2"
943 func="$3"
944 shift 3
945 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
946}
947
f8d7b072
MR
948require2(){
949 name="$1"
950 headers="$2"
951 func="$3"
952 shift 3
953 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
954}
955
3f8040db
MR
956require_pkg_config(){
957 pkg="$1"
958 check_pkg_config "$@" || die "ERROR: $pkg not found"
959 add_cflags $(get_safe ${pkg}_cflags)
960 add_extralibs $(get_safe ${pkg}_libs)
961}
962
ae43c4c0
MR
963hostcc_o(){
964 eval printf '%s\\n' $HOSTCC_O
965}
966
f0125de9
MR
967check_host_cc(){
968 log check_host_cc "$@"
969 cat > $TMPC
970 log_file $TMPC
ae43c4c0 971 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
f0125de9
MR
972}
973
4cc4b33f
DB
974check_host_cppflags(){
975 log check_host_cppflags "$@"
976 check_host_cc "$@" <<EOF && append host_cppflags "$@"
977int x;
978EOF
979}
980
f0125de9
MR
981check_host_cflags(){
982 log check_host_cflags "$@"
6c3fa06a 983 set -- $($host_cflags_filter "$@")
f0125de9
MR
984 check_host_cc "$@" <<EOF && append host_cflags "$@"
985int x;
986EOF
987}
988
c505dd31
MR
989apply(){
990 file=$1
991 shift
992 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
993}
994
c34681df 995cp_if_changed(){
5e27ec28
MR
996 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
997 mkdir -p "$(dirname $2)"
4ebc6a74 998 $cp_f "$1" "$2"
c34681df
MR
999}
1000
dcd61286
DB
1001# CONFIG_LIST contains configurable options, while HAVE_LIST is for
1002# system-dependent things.
1003
4a0d6686
AJ
1004COMPONENT_LIST="
1005 bsfs
1006 decoders
1007 demuxers
1008 encoders
3cde40aa 1009 filters
5666fd73 1010 hwaccels
c552605c 1011 indevs
4a0d6686 1012 muxers
c552605c 1013 outdevs
4a0d6686
AJ
1014 parsers
1015 protocols
1016"
1017
3fc09b00
MR
1018EXTERNAL_LIBRARY_LIST="
1019 avisynth
1020 bzlib
1021 frei0r
1022 gnutls
1023 libcdio
1024 libdc1394
1025 libfaac
1026 libfdk_aac
1027 libfreetype
1028 libgsm
1029 libilbc
1030 libmp3lame
1031 libopencore_amrnb
1032 libopencore_amrwb
1033 libopencv
1034 libopenjpeg
1035 libopus
1036 libpulse
1037 librtmp
1038 libschroedinger
1039 libspeex
1040 libtheora
1041 libvo_aacenc
1042 libvo_amrwbenc
1043 libvorbis
1044 libvpx
1045 libx264
1046 libxavs
1047 libxvid
1048 openssl
1049 x11grab
1050 zlib
1051"
1052
70b348ec
DB
1053HWACCEL_LIST="
1054 dxva2
1055 vaapi
1056 vda
1057 vdpau
1058"
d89f2fa9
DB
1059LIBRARY_LIST="
1060 avcodec
1061 avdevice
1062 avfilter
1063 avformat
1064 avresample
1065 avutil
1066 swscale
1067"
1068
055c61b8
DB
1069PROGRAM_LIST="
1070 avconv
1071 avplay
1072 avprobe
1073 avserver
055c61b8
DB
1074"
1075
4a0d6686
AJ
1076CONFIG_LIST="
1077 $COMPONENT_LIST
3fc09b00 1078 $EXTERNAL_LIBRARY_LIST
70b348ec 1079 $HWACCEL_LIST
d89f2fa9 1080 $LIBRARY_LIST
055c61b8 1081 $PROGRAM_LIST
7f3f5f46 1082 dct
c73f65d9 1083 doc
1848f7d9 1084 fft
c88f5d72 1085 gpl
d8d0d0b2 1086 gray
3abe5fbd 1087 hardcoded_tables
b781cc12 1088 lsp
2a91ada8 1089 lzo
47a158cb 1090 mdct
c88f5d72 1091 memalign_hack
c88f5d72 1092 network
3fe142e2 1093 nonfree
8a3c8627 1094 pic
68602540 1095 rdft
e90f5b5a 1096 runtime_cpudetect
8cfbbd92 1097 safe_bitstream_reader
2e35e684 1098 shared
bd2216e4 1099 small
6b35d421 1100 sram
2e35e684 1101 static
a9ddb5b1 1102 swscale_alpha
8986fddc 1103 thumb
9cad0e4e 1104 version3
7e4d9d5d 1105 xmm_clobber_test
4a0d6686 1106"
c88f5d72 1107
8eee7025 1108THREADS_LIST='
8eee7025
DB
1109 pthreads
1110 w32threads
1111'
1112
3f5b56e5 1113ARCH_LIST='
5873b623 1114 aarch64
3f5b56e5 1115 alpha
a2fc0f6a 1116 arm
fdcd782d
MR
1117 avr32
1118 avr32_ap
1119 avr32_uc
3f5b56e5
MR
1120 bfin
1121 ia64
1122 m68k
1123 mips
bae3abb0 1124 mips64
3f5b56e5 1125 parisc
79cb09b2 1126 ppc
34d11b87 1127 ppc64
3f5b56e5
MR
1128 s390
1129 sh4
1130 sparc
1131 sparc64
c75848cd
DB
1132 tilegx
1133 tilepro
0844bae1 1134 tomi
3f5b56e5
MR
1135 x86
1136 x86_32
1137 x86_64
1138'
1139
81dfa21e
MR
1140ARCH_EXT_LIST_ARM='
1141 armv5te
1142 armv6
1143 armv6t2
81dfa21e 1144 neon
b3267559 1145 vfp
81dfa21e
MR
1146 vfpv3
1147'
1148
50cd43f2 1149ARCH_EXT_LIST_X86='
3bf96eec 1150 amd3dnow
a1ef9f08 1151 amd3dnowext
50cd43f2
DB
1152 avx
1153 fma4
1154 mmx
1155 mmxext
1156 sse
1157 sse2
1158 sse3
1159 sse4
1160 sse42
1161 ssse3
1162'
1163
1164ARCH_EXT_LIST="
81dfa21e 1165 $ARCH_EXT_LIST_ARM
50cd43f2
DB
1166 $ARCH_EXT_LIST_X86
1167 altivec
799fde37 1168 ppc4xx
bd9d34a0 1169 vis
50cd43f2 1170"
3f5b56e5 1171
fd712a55
DB
1172HAVE_LIST_CMDLINE='
1173 inline_asm
1174 symver
1175 yasm
1176'
1177
a3e02a8c
MR
1178HAVE_LIST_PUB='
1179 bigendian
d268eee9 1180 fast_unaligned
a3e02a8c
MR
1181'
1182
79042ab3 1183MATH_FUNCS="
fab0a8b2
MR
1184 atanf
1185 atan2f
79042ab3 1186 cbrtf
fab0a8b2 1187 cosf
79042ab3
DB
1188 exp2
1189 exp2f
fab0a8b2 1190 expf
79042ab3
DB
1191 isinf
1192 isnan
fab0a8b2 1193 ldexpf
79042ab3
DB
1194 llrint
1195 llrintf
1196 log2
1197 log2f
fab0a8b2 1198 log10f
79042ab3
DB
1199 lrint
1200 lrintf
fab0a8b2 1201 powf
79042ab3
DB
1202 rint
1203 round
1204 roundf
fab0a8b2 1205 sinf
79042ab3
DB
1206 trunc
1207 truncf
1208"
1209
3f5b56e5
MR
1210HAVE_LIST="
1211 $ARCH_EXT_LIST
43b73d59
DB
1212 $(add_suffix _external $ARCH_EXT_LIST)
1213 $(add_suffix _inline $ARCH_EXT_LIST)
fd712a55 1214 $HAVE_LIST_CMDLINE
a3e02a8c 1215 $HAVE_LIST_PUB
3f5b56e5 1216 $THREADS_LIST
79042ab3 1217 $MATH_FUNCS
be1a839c 1218 aligned_malloc
59782b82 1219 aligned_stack
35fd8122 1220 alsa_asoundlib_h
3f5b56e5 1221 altivec_h
c9fdab0d 1222 arpa_inet_h
ec9d2c15 1223 asm_mod_q
6308729e 1224 asm_mod_y
dffb41b9 1225 attribute_may_alias
e7ea5e3d 1226 attribute_packed
43e0e0c4
LB
1227 cdio_paranoia_h
1228 cdio_paranoia_paranoia_h
ecf97f22 1229 closesocket
1ac9331a 1230 cmov
15caccb9 1231 CommandLineToArgvW
180d43bc 1232 cpunop
1093383d 1233 CryptGenRandom
c88f5d72 1234 dcbzl
f8aa696f
DB
1235 dev_bktr_ioctl_bt848_h
1236 dev_bktr_ioctl_meteor_h
1237 dev_ic_bt8xx_h
f8aa696f 1238 dev_video_bktr_ioctl_bt848_h
3e0b1c9a 1239 dev_video_meteor_ioctl_meteor_h
ca6b544a 1240 direct_h
18b67ae5 1241 dlfcn_h
c88f5d72 1242 dlopen
bc574408 1243 dos_paths
fa845061 1244 dxva_h
245626d0
DB
1245 ebp_available
1246 ebx_available
c2a29455 1247 fast_64bit
669b5583 1248 fast_clz
7073e9fc 1249 fast_cmov
534a2231 1250 fcntl
9d99cc5a 1251 fork
84882df6 1252 getaddrinfo
da9e86f8 1253 gethrtime
667fb97a 1254 getopt
02e8f427 1255 GetProcessAffinityMask
fc5607f8 1256 GetProcessMemoryInfo
4e68cb8a 1257 GetProcessTimes
61183b5a 1258 GetSystemTimeAsFileTime
66be5b45 1259 getrusage
c3e73100 1260 getservbyport
61183b5a 1261 gettimeofday
a49d3025 1262 gnu_as
c7df1532 1263 gsm_h
2f0c136e 1264 ibm_asm
2e1913b1 1265 inet_aton
3b1ab197 1266 io_h
abfc8d05 1267 isatty
8772997d 1268 jack_port_get_latency_range
9f5ff83f 1269 ldbrx
0b4a1821
AS
1270 libdc1394_1
1271 libdc1394_2
d96cd429
MR
1272 local_aligned_16
1273 local_aligned_8
a5b64584 1274 localtime_r
85dd97ad 1275 loongson
f8aa696f
DB
1276 machine_ioctl_bt848_h
1277 machine_ioctl_meteor_h
c88f5d72 1278 malloc_h
73f6d31e 1279 MapViewOfFile
c88f5d72 1280 memalign
6ffa87d3 1281 mkstemp
f80ddd5b 1282 mm_empty
0328b9ea 1283 mmap
e98b02de 1284 mprotect
4fa661a8 1285 msvcrt
d3d3a32c 1286 nanosleep
3e0b1c9a 1287 poll_h
1f91cdce 1288 posix_memalign
07b28702 1289 rdtsc
ea4d5f48 1290 sched_getaffinity
c88f5d72
MR
1291 sdl
1292 sdl_video_size
7e6a11bc 1293 SetConsoleTextAttribute
b507ebd1 1294 setmode
3e0b1c9a 1295 setrlimit
d3d3a32c 1296 Sleep
15d59d2c 1297 sndio_h
72be9e73 1298 socklen_t
deb29777 1299 soundcard_h
87958234 1300 strerror_r
6379900c 1301 strptime
47941088 1302 strtok_r
c0018613 1303 struct_addrinfo
75d339e0
MS
1304 struct_group_source_req
1305 struct_ip_mreq_source
b4d68544 1306 struct_ipv6_mreq
cdee08e3 1307 struct_pollfd
3e0b1c9a 1308 struct_rusage_ru_maxrss
b4d68544 1309 struct_sockaddr_in6
3b2372bf 1310 struct_sockaddr_sa_len
33a4dbdd 1311 struct_sockaddr_storage
a6a4793d 1312 struct_v4l2_frmivalenum_discrete
b462d132 1313 symver_asm_label
3e0b1c9a 1314 symver_gnu_asm
bcc73960 1315 sysconf
b9e22269 1316 sysctl
b58412f1 1317 sys_mman_h
06bb5905 1318 sys_param_h
b091aa44 1319 sys_resource_h
81644c2e 1320 sys_select_h
deb29777 1321 sys_soundcard_h
e64bceea 1322 sys_time_h
1b6e8b73 1323 sys_videoio_h
b265431e 1324 threads
542920b7 1325 unistd_h
d3d3a32c 1326 usleep
ce742de2 1327 vfp_args
7c5bfe7a 1328 VirtualAlloc
d3d3a32c 1329 windows_h
6ff3f3e7 1330 winsock2_h
cc078b5d 1331 xform_asm
6f74fb03 1332 xmm_clobbers
0cb78cef 1333"
44161118 1334
511cf612 1335# options emitted with CONFIG_ prefix but not available on the command line
b6bb00b0 1336CONFIG_EXTRA="
87849592 1337 aandcttables
bfe9f48a 1338 ac3dsp
aa11cb79 1339 audio_frame_queue
c292f6a2 1340 error_resilience
bfe9f48a 1341 gcrypt
478fd534 1342 golomb
9cad0e4e 1343 gplv3
478fd534
DB
1344 h264chroma
1345 h264dsp
1346 h264pred
915a2a0a 1347 h264qpel
478fd534 1348 huffman
9cad0e4e 1349 lgplv3
478fd534 1350 lpc
1e164c0b 1351 mpegaudio
bfe9f48a 1352 mpegaudiodsp
18bbca1f 1353 mpegvideo
ad08dfd5 1354 mpegvideoenc
bfe9f48a 1355 nettle
f704a079 1356 rangecoder
bfe9f48a 1357 rtpdec
5ad2f0bf 1358 rtpenc_chain
bfe9f48a 1359 sinewin
8c53d39e 1360 videodsp
ab9f9876 1361 vp3dsp
b6bb00b0
MR
1362"
1363
520cc7f1 1364CMDLINE_SELECT="
3f5b56e5 1365 $ARCH_EXT_LIST
520cc7f1 1366 $CONFIG_LIST
fd712a55 1367 $HAVE_LIST_CMDLINE
8eee7025 1368 $THREADS_LIST
c8a4ae00 1369 asm
db6107b6 1370 cross_compile
520cc7f1
MR
1371 debug
1372 extra_warnings
8c6afa4d 1373 logging
65d12900 1374 lto
d2bbb2f7 1375 optimizations
520cc7f1 1376"
426be5dc
DB
1377
1378PATHS_LIST='
d156bede 1379 bindir
14a8acf1 1380 datadir
26759c44
MR
1381 incdir
1382 libdir
26759c44
MR
1383 mandir
1384 prefix
1385 shlibdir
426be5dc
DB
1386'
1387
1388CMDLINE_SET="
1389 $PATHS_LIST
121d78d0 1390 ar
426be5dc 1391 arch
313c46a6 1392 as
426be5dc
DB
1393 build_suffix
1394 cc
1395 cpu
1396 cross_prefix
50567afa 1397 dep_cc
ac63af34 1398 extra_version
9da6609f
MR
1399 host_cc
1400 host_cflags
095792f2 1401 host_ld
9da6609f
MR
1402 host_ldflags
1403 host_libs
82bb3329 1404 host_os
684b28e0 1405 ld
426be5dc 1406 logfile
4ae40685 1407 malloc_prefix
89641463 1408 nm
9cd7b854 1409 optflags
3f8040db 1410 pkg_config
154caa67 1411 random_seed
2fad0977 1412 samples
c5200f17
MR
1413 sysinclude
1414 sysroot
a7ada2ba 1415 target_exec
26759c44 1416 target_os
a7ada2ba 1417 target_path
aeeb782c 1418 toolchain
426be5dc 1419"
520cc7f1 1420
89f2932b
MR
1421CMDLINE_APPEND="
1422 extra_cflags
4cc4b33f 1423 host_cppflags
89f2932b
MR
1424"
1425
912f3148
DB
1426# code dependency declarations
1427
9eeed841 1428# architecture extensions
808fa33c 1429
a2fc0f6a
MR
1430armv5te_deps="arm"
1431armv6_deps="arm"
ab5cb084 1432armv6t2_deps="arm"
808fa33c 1433neon_deps="arm"
b3267559
MR
1434vfp_deps="arm"
1435vfpv3_deps="vfp"
808fa33c 1436
637606de
MR
1437map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1438
808fa33c
MR
1439altivec_deps="ppc"
1440ppc4xx_deps="ppc"
1441
1442vis_deps="sparc"
1443
7f8c3d1f 1444x86_64_suggest="cmov fast_cmov"
50cd43f2 1445
808fa33c
MR
1446amd3dnow_deps="mmx"
1447amd3dnowext_deps="amd3dnow"
9eeed841 1448mmx_deps="x86"
239fdf1b 1449mmxext_deps="mmx"
50cd43f2
DB
1450sse_deps="mmxext"
1451sse2_deps="sse"
1452sse3_deps="sse2"
1453ssse3_deps="sse3"
1454sse4_deps="ssse3"
1455sse42_deps="sse4"
1456avx_deps="sse42"
79687079 1457fma4_deps="avx"
9eeed841 1458
43b73d59
DB
1459mmx_external_deps="yasm"
1460mmx_inline_deps="inline_asm"
1461mmx_suggest="mmx_external mmx_inline"
1462
1463for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1464 eval dep=\$${ext}_deps
1465 eval ${ext}_external_deps='"${dep}_external"'
1466 eval ${ext}_inline_deps='"${dep}_inline"'
1467 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1468done
1469
59782b82 1470aligned_stack_if_any="ppc x86"
e939cedd 1471fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
f0fe245b
MR
1472fast_clz_if_any="alpha avr32 mips ppc x86"
1473fast_unaligned_if_any="ppc x86"
669b5583 1474
6fec122a 1475inline_asm_deps="!tms470"
3e0b1c9a 1476need_memalign="altivec neon sse"
89e053f8 1477
b462d132
MR
1478symver_if_any="symver_asm_label symver_gnu_asm"
1479
88a35699
MS
1480log2_deps="!msvcrt"
1481
26fbcc85 1482# subsystems
dc609252 1483dct_select="rdft"
26fbcc85
MR
1484mdct_select="fft"
1485rdft_select="fft"
1e164c0b 1486mpegaudio_select="mpegaudiodsp"
c4f5c2d6 1487mpegaudiodsp_select="dct"
ed40b6bf 1488mpegvideo_select="videodsp"
ad08dfd5 1489mpegvideoenc_select="mpegvideo"
26fbcc85 1490
ed40b6bf 1491# decoders / encoders
cfc2a0cf 1492aac_decoder_select="mdct sinewin"
aa11cb79 1493aac_encoder_select="audio_frame_queue mdct sinewin"
136e19e1 1494aac_latm_decoder_select="aac_decoder aac_latm_parser"
6d9f52b2 1495ac3_decoder_select="mdct ac3dsp ac3_parser"
a5444fee 1496ac3_encoder_select="mdct ac3dsp"
3d269059 1497ac3_fixed_encoder_select="mdct ac3dsp"
f4d608e3 1498alac_encoder_select="lpc"
b781cc12 1499amrnb_decoder_select="lsp"
2b2a597e 1500amrwb_decoder_select="lsp"
4538729a 1501atrac1_decoder_select="mdct sinewin"
26fbcc85 1502atrac3_decoder_select="mdct"
a33657ce
DB
1503binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1504binkaudio_rdft_decoder_select="mdct rdft sinewin"
18bbca1f 1505cavs_decoder_select="golomb mpegvideo"
9b500b8f 1506comfortnoise_encoder_select="lpc"
4538729a 1507cook_decoder_select="mdct sinewin"
2a91ada8 1508cscd_decoder_select="lzo"
2eef7c62 1509cscd_decoder_suggest="zlib"
26fbcc85 1510dca_decoder_select="mdct"
ad08dfd5 1511dnxhd_encoder_select="aandcttables mpegvideoenc"
2eef7c62 1512dxa_decoder_select="zlib"
baf91bb9 1513eac3_decoder_select="ac3_decoder"
4264a0dd 1514eac3_encoder_select="ac3_encoder"
69804535 1515eamad_decoder_select="aandcttables error_resilience mpegvideo"
87849592 1516eatgq_decoder_select="aandcttables"
c292f6a2 1517eatqi_decoder_select="aandcttables error_resilience mpegvideo"
f704a079
DB
1518ffv1_decoder_select="golomb rangecoder"
1519ffv1_encoder_select="rangecoder"
5a582bd3 1520ffvhuff_encoder_select="huffman"
4f034993 1521flac_decoder_select="golomb"
f4d608e3 1522flac_encoder_select="golomb lpc"
2eef7c62
AJ
1523flashsv_decoder_select="zlib"
1524flashsv_encoder_select="zlib"
c2d23309 1525flashsv2_decoder_select="zlib"
4414137e 1526flv_decoder_select="h263_decoder"
4d4b4bd1 1527flv_encoder_select="h263_encoder"
3447f12d 1528fraps_decoder_select="huffman"
c292f6a2 1529h261_decoder_select="error_resilience mpegvideo"
ad08dfd5 1530h261_encoder_select="aandcttables mpegvideoenc"
c292f6a2
DB
1531h263_decoder_select="error_resilience h263_parser mpegvideo"
1532h263_encoder_select="aandcttables error_resilience mpegvideoenc"
4414137e 1533h263i_decoder_select="h263_decoder"
fe629c2d 1534h263p_encoder_select="h263_encoder"
c292f6a2 1535h264_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
5a582bd3 1536huffyuv_encoder_select="huffman"
19be0f3c 1537iac_decoder_select="fft mdct sinewin"
56c8227d 1538imc_decoder_select="fft mdct sinewin"
4f034993
MR
1539jpegls_decoder_select="golomb"
1540jpegls_encoder_select="golomb"
ad08dfd5 1541ljpeg_encoder_select="aandcttables mpegvideoenc"
4f034993 1542loco_decoder_select="golomb"
c292f6a2 1543mdec_decoder_select="error_resilience mpegvideo"
ad08dfd5 1544mjpeg_encoder_select="aandcttables mpegvideoenc"
2cca233b 1545mlp_decoder_select="mlp_parser"
1e164c0b
DB
1546mp1_decoder_select="mpegaudio"
1547mp1float_decoder_select="mpegaudio"
1548mp2_decoder_select="mpegaudio"
1549mp2float_decoder_select="mpegaudio"
1550mp3_decoder_select="mpegaudio"
1551mp3adu_decoder_select="mpegaudio"
1552mp3adufloat_decoder_select="mpegaudio"
1553mp3float_decoder_select="mpegaudio"
1554mp3on4_decoder_select="mpegaudio"
1555mp3on4float_decoder_select="mpegaudio"
606c9297
DB
1556mpc7_decoder_select="mpegaudiodsp"
1557mpc8_decoder_select="mpegaudiodsp"
3e0b1c9a
DB
1558mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1559mpeg_xvmc_decoder_select="mpegvideo_decoder"
c292f6a2
DB
1560mpeg1video_decoder_select="error_resilience mpegvideo"
1561mpeg1video_encoder_select="aandcttables error_resilience mpegvideoenc"
c292f6a2
DB
1562mpeg2video_decoder_select="error_resilience mpegvideo"
1563mpeg2video_encoder_select="aandcttables error_resilience mpegvideoenc"
3e0b1c9a
DB
1564mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1565mpeg4_encoder_select="h263_encoder"
4414137e 1566msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1567msmpeg4v1_encoder_select="h263_encoder"
4414137e 1568msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1569msmpeg4v2_encoder_select="h263_encoder"
4414137e 1570msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1571msmpeg4v3_encoder_select="h263_encoder"
ee769c6a 1572mss2_decoder_select="vc1_decoder"
4538729a 1573nellymoser_decoder_select="mdct sinewin"
aa11cb79 1574nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2a91ada8 1575nuv_decoder_select="lzo"
2eef7c62
AJ
1576png_decoder_select="zlib"
1577png_encoder_select="zlib"
b781cc12 1578qcelp_decoder_select="lsp"
c4f5c2d6 1579qdm2_decoder_select="mdct rdft mpegaudiodsp"
aa11cb79 1580ra_144_encoder_select="audio_frame_queue lpc"
9f43fdda 1581ralf_decoder_select="golomb"
a8beb22f 1582rv10_decoder_select="h263_decoder"
b2bf38b4 1583rv10_encoder_select="h263_encoder"
a8beb22f 1584rv20_decoder_select="h263_decoder"
b2bf38b4 1585rv20_encoder_select="h263_encoder"
c292f6a2
DB
1586rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1587rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
4f034993 1588shorten_decoder_select="golomb"
b781cc12 1589sipr_decoder_select="lsp"
c292f6a2
DB
1590svq1_decoder_select="error_resilience mpegvideo"
1591svq1_encoder_select="aandcttables error_resilience mpegvideoenc"
1592svq3_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
bee2eac5 1593svq3_decoder_suggest="zlib"
4eef77c1 1594theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1595tiff_decoder_suggest="zlib"
1596tiff_encoder_suggest="zlib"
aec09a00 1597truehd_decoder_select="mlp_decoder"
2eef7c62 1598tscc_decoder_select="zlib"
4538729a 1599twinvq_decoder_select="mdct lsp sinewin"
aa661113 1600utvideo_encoder_select="huffman"
915a2a0a 1601vc1_decoder_select="h263_decoder h264chroma h264qpel"
45ecda85 1602vc1image_decoder_select="vc1_decoder"
26fbcc85
MR
1603vorbis_decoder_select="mdct"
1604vorbis_encoder_select="mdct"
8c53d39e
RB
1605vp3_decoder_select="vp3dsp videodsp"
1606vp5_decoder_select="vp3dsp videodsp"
1607vp6_decoder_select="huffman vp3dsp videodsp"
e82dc4c9
DB
1608vp6a_decoder_select="vp6_decoder"
1609vp6f_decoder_select="vp6_decoder"
8c53d39e 1610vp8_decoder_select="h264pred videodsp"
4538729a
MR
1611wmapro_decoder_select="mdct sinewin"
1612wmav1_decoder_select="mdct sinewin"
1613wmav1_encoder_select="mdct sinewin"
1614wmav2_decoder_select="mdct sinewin"
1615wmav2_encoder_select="mdct sinewin"
1616wmavoice_decoder_select="lsp rdft dct mdct sinewin"
f95bfab0 1617wmv1_decoder_select="h263_decoder"
665507aa 1618wmv1_encoder_select="h263_encoder"
f95bfab0 1619wmv2_decoder_select="h263_decoder"
1746e2a9 1620wmv2_encoder_select="h263_encoder"
015f8ee0 1621wmv3_decoder_select="vc1_decoder"
45ecda85 1622wmv3image_decoder_select="wmv3_decoder"
0e714f88 1623zerocodec_decoder_select="zlib"
2eef7c62
AJ
1624zlib_decoder_select="zlib"
1625zlib_encoder_select="zlib"
1626zmbv_decoder_select="zlib"
1627zmbv_encoder_select="zlib"
30fd06be 1628
ed40b6bf 1629# hardware accelerators
215cdd35 1630dxva2_deps="dxva2api_h"
0afab17e 1631vaapi_deps="va_va_h"
ac3dbb4d 1632vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
9840130e 1633vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
c89c96e9
MR
1634vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1635
82ca17ac
DB
1636h263_vaapi_hwaccel_deps="vaapi"
1637h263_vaapi_hwaccel_select="h263_decoder"
1638h263_vdpau_hwaccel_deps="vdpau"
1639h263_vdpau_hwaccel_select="h263_decoder"
215cdd35
DB
1640h264_dxva2_hwaccel_deps="dxva2"
1641h264_dxva2_hwaccel_select="h264_decoder"
82ca17ac
DB
1642h264_vaapi_hwaccel_deps="vaapi"
1643h264_vaapi_hwaccel_select="h264_decoder"
1644h264_vda_hwaccel_deps="vda"
1645h264_vda_hwaccel_select="h264_decoder"
1646h264_vdpau_decoder_deps="vdpau"
1647h264_vdpau_decoder_select="h264_decoder"
1648h264_vdpau_hwaccel_deps="vdpau"
1649h264_vdpau_hwaccel_select="h264_decoder"
1650mpeg_vdpau_decoder_deps="vdpau"
1651mpeg_vdpau_decoder_select="mpegvideo_decoder"
1652mpeg1_vdpau_decoder_deps="vdpau"
1653mpeg1_vdpau_decoder_select="mpeg1video_decoder"
1654mpeg1_vdpau_hwaccel_deps="vdpau"
1655mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
215cdd35
DB
1656mpeg2_dxva2_hwaccel_deps="dxva2"
1657mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
82ca17ac
DB
1658mpeg2_vaapi_hwaccel_deps="vaapi"
1659mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
1660mpeg2_vdpau_hwaccel_deps="vdpau"
1661mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
1662mpeg4_vaapi_hwaccel_deps="vaapi"
1663mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
1664mpeg4_vdpau_decoder_deps="vdpau"
1665mpeg4_vdpau_decoder_select="mpeg4_decoder"
1666mpeg4_vdpau_hwaccel_deps="vdpau"
1667mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
215cdd35
DB
1668vc1_dxva2_hwaccel_deps="dxva2"
1669vc1_dxva2_hwaccel_select="vc1_decoder"
82ca17ac
DB
1670vc1_vaapi_hwaccel_deps="vaapi"
1671vc1_vaapi_hwaccel_select="vc1_decoder"
1672vc1_vdpau_decoder_deps="vdpau"
1673vc1_vdpau_decoder_select="vc1_decoder"
1674vc1_vdpau_hwaccel_deps="vdpau"
1675vc1_vdpau_hwaccel_select="vc1_decoder"
ed40b6bf
DB
1676wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1677wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1678wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
77525327 1679wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
ed40b6bf 1680
28b80940 1681# parsers
79dad2a9 1682h264_parser_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
c292f6a2
DB
1683mpeg4video_parser_select="error_resilience mpegvideo"
1684mpegvideo_parser_select="error_resilience mpegvideo"
1685vc1_parser_select="error_resilience mpegvideo"
28b80940 1686
912f3148 1687# external libraries
c9171a83 1688libfaac_encoder_deps="libfaac"
aa11cb79 1689libfaac_encoder_select="audio_frame_queue"
37eeb5e2 1690libfdk_aac_encoder_deps="libfdk_aac"
aa11cb79 1691libfdk_aac_encoder_select="audio_frame_queue"
299c77d5
MR
1692libgsm_decoder_deps="libgsm"
1693libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1694libgsm_ms_decoder_deps="libgsm"
1695libgsm_ms_encoder_deps="libgsm"
3641b048
MS
1696libilbc_decoder_deps="libilbc"
1697libilbc_encoder_deps="libilbc"
1cc60c47 1698libmp3lame_encoder_deps="libmp3lame"
aa11cb79 1699libmp3lame_encoder_select="audio_frame_queue"
0b175caa
DB
1700libopencore_amrnb_decoder_deps="libopencore_amrnb"
1701libopencore_amrnb_encoder_deps="libopencore_amrnb"
aa11cb79 1702libopencore_amrnb_encoder_select="audio_frame_queue"
0b175caa 1703libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1704libopenjpeg_decoder_deps="libopenjpeg"
453c02f9 1705libopenjpeg_encoder_deps="libopenjpeg"
44617d6e 1706libopus_decoder_deps="libopus"
6cb8c854 1707libopus_encoder_deps="libopus"
aa11cb79 1708libopus_encoder_select="audio_frame_queue"
f7cd9eed
AS
1709libschroedinger_decoder_deps="libschroedinger"
1710libschroedinger_encoder_deps="libschroedinger"
ae14f311 1711libspeex_decoder_deps="libspeex"
b606a017 1712libspeex_encoder_deps="libspeex"
aa11cb79 1713libspeex_encoder_select="audio_frame_queue"
150d2772 1714libtheora_encoder_deps="libtheora"
d89e738a 1715libvo_aacenc_encoder_deps="libvo_aacenc"
aa11cb79 1716libvo_aacenc_encoder_select="audio_frame_queue"
f502ff3f 1717libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
b0caf888 1718libvorbis_encoder_deps="libvorbis"
aa11cb79 1719libvorbis_encoder_select="audio_frame_queue"
3f111804
LB
1720libvpx_vp8_decoder_deps="libvpx"
1721libvpx_vp8_encoder_deps="libvpx"
1722libvpx_vp9_decoder_deps="libvpx"
1723libvpx_vp9_encoder_deps="libvpx"
1cc60c47 1724libx264_encoder_deps="libx264"
de295976 1725libxavs_encoder_deps="libxavs"
1cc60c47 1726libxvid_encoder_deps="libxvid"
30fd06be 1727
912f3148 1728# demuxers / muxers
c2dd0e9e 1729ac3_demuxer_select="ac3_parser"
647c2356 1730asf_stream_muxer_select="asf_muxer"
4e622dea 1731avisynth_demuxer_deps="avisynth"
c2dd0e9e 1732dirac_demuxer_select="dirac_parser"
5b423887 1733eac3_demuxer_select="ac3_parser"
c2dd0e9e 1734flac_demuxer_select="flac_parser"
647c2356 1735ipod_muxer_select="mov_muxer"
31f16dc1 1736ismv_muxer_select="mov_muxer"
647c2356 1737matroska_audio_muxer_select="matroska_muxer"
2a91ada8 1738matroska_demuxer_suggest="bzlib lzo zlib"
4e622dea 1739mov_demuxer_suggest="zlib"
5ad2f0bf 1740mov_muxer_select="rtpenc_chain"
c2dd0e9e 1741mp3_demuxer_select="mpegaudio_parser"
647c2356 1742mp4_muxer_select="mov_muxer"
18bbca1f 1743mpegts_muxer_select="adts_muxer latm_muxer mpegvideo"
647c2356
DB
1744mpegtsraw_demuxer_select="mpegts_demuxer"
1745mxf_d10_muxer_select="mxf_muxer"
24ca518b 1746ogg_demuxer_select="golomb"
647c2356 1747psp_muxer_select="mov_muxer"
44594cc7 1748rtp_demuxer_select="sdp_demuxer"
18bbca1f 1749rtp_muxer_select="mpegvideo"
44b70ce5
MS
1750rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1751rtsp_demuxer_select="http_protocol rtpdec"
5ad2f0bf 1752rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
01c8d258 1753sap_demuxer_select="sdp_demuxer"
5ad2f0bf 1754sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
44b70ce5 1755sdp_demuxer_select="rtpdec"
e772f9fa 1756smoothstreaming_muxer_select="ismv_muxer"
f1e94694 1757spdif_muxer_select="aac_parser"
57231e4d 1758tak_demuxer_select="tak_parser"
647c2356
DB
1759tg2_muxer_select="mov_muxer"
1760tgp_muxer_select="mov_muxer"
6bdaa5f4 1761w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1762
1763# indevs / outdevs
38e54a75 1764alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
38e54a75 1765alsa_outdev_deps="alsa_asoundlib_h"
38e54a75 1766bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75 1767dv1394_indev_deps="dv1394 dv_demuxer"
c6f95144 1768fbdev_indev_deps="linux_fb_h"
38e54a75 1769jack_indev_deps="jack_jack_h"
e417d80d 1770libcdio_indev_deps="libcdio"
38e54a75 1771libdc1394_indev_deps="libdc1394"
38e54a75
SS
1772oss_indev_deps_any="soundcard_h sys_soundcard_h"
1773oss_outdev_deps_any="soundcard_h sys_soundcard_h"
0de9c41f 1774pulse_indev_deps="libpulse"
15d59d2c
B
1775sndio_indev_deps="sndio_h"
1776sndio_outdev_deps="sndio_h"
38e54a75 1777v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
ec1ee802 1778vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
a1b3c5a3 1779vfwcap_indev_extralibs="-lavicap32"
24f8961f 1780x11grab_indev_deps="x11grab XShmCreateImage"
30fd06be 1781
912f3148 1782# protocols
acd554c1
SP
1783ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1784ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1785ffrtmpcrypt_protocol_select="tcp_protocol"
775c4d36
SP
1786ffrtmphttp_protocol_deps="!librtmp_protocol"
1787ffrtmphttp_protocol_select="http_protocol"
998c1ee1 1788gopher_protocol_select="network"
c40e1757 1789httpproxy_protocol_select="tcp_protocol"
279a0c97 1790http_protocol_select="tcp_protocol"
183baead 1791https_protocol_select="tls_protocol"
c3b57d6e
DB
1792librtmp_protocol_deps="librtmp"
1793librtmpe_protocol_deps="librtmp"
1794librtmps_protocol_deps="librtmp"
1795librtmpt_protocol_deps="librtmp"
1796librtmpte_protocol_deps="librtmp"
c60a2d70 1797mmsh_protocol_select="http_protocol"
998c1ee1 1798mmst_protocol_select="network"
c3b57d6e 1799rtmp_protocol_deps="!librtmp_protocol"
deeb7012 1800rtmp_protocol_select="tcp_protocol"
acd554c1 1801rtmpe_protocol_select="ffrtmpcrypt_protocol"
6aedabc9
SP
1802rtmps_protocol_deps="!librtmp_protocol"
1803rtmps_protocol_select="tls_protocol"
775c4d36 1804rtmpt_protocol_select="ffrtmphttp_protocol"
08cd95e8 1805rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
6c1ed454 1806rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
deeb7012 1807rtp_protocol_select="udp_protocol"
998c1ee1
DB
1808sctp_protocol_deps="struct_sctp_event_subscribe"
1809sctp_protocol_select="network"
0eecafc9 1810srtp_protocol_select="rtp_protocol"
998c1ee1 1811tcp_protocol_select="network"
558d192d
MS
1812tls_protocol_deps_any="openssl gnutls"
1813tls_protocol_select="tcp_protocol"
998c1ee1 1814udp_protocol_select="network"
c08fb000 1815
6ebf0bfc 1816# filters
13fabd7a 1817blackframe_filter_deps="gpl"
ce6b6ef6 1818boxblur_filter_deps="gpl"
68b79bfc 1819cropdetect_filter_deps="gpl"
b157be1f 1820delogo_filter_deps="gpl"
a5b64584 1821drawtext_filter_deps="libfreetype"
2e5ff4d0 1822frei0r_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1823frei0r_filter_extralibs='$ldl'
a42bb9d6 1824frei0r_src_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1825frei0r_src_filter_extralibs='$ldl'
a4dc7aa5 1826hqdn3d_filter_deps="gpl"
d371e7b9 1827resample_filter_deps="avresample"
cf69ad35 1828ocv_filter_deps="libopencv"
2f296e39 1829scale_filter_deps="swscale"
acbac567 1830yadif_filter_deps="gpl"
6ebf0bfc 1831
5a0f7131 1832# libraries
d89f2fa9
DB
1833avcodec_deps="avutil"
1834avdevice_deps="avutil avcodec avformat"
1835avfilter_deps="avutil"
1836avformat_deps="avutil avcodec"
1837avresample_deps="avutil"
1838swscale_deps="avutil"
f7679c54 1839
912f3148 1840# programs
54fd593a 1841avconv_deps="avcodec avfilter avformat avresample swscale"
0a0e340f
DB
1842avconv_select="aformat_filter anull_filter asyncts_filter format_filter
1843 fps_filter null_filter resample_filter scale_filter
1844 setpts_filter"
d173ede1 1845avplay_deps="avcodec avformat avresample swscale sdl"
266463da 1846avplay_select="rdft"
9e12f0bf 1847avprobe_deps="avcodec avformat"
b263bf66 1848avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
4d58e4cb 1849avserver_extralibs='$ldl'
a2830dca 1850
c73f65d9 1851doc_deps="texi2html"
912f3148 1852
de6d9b64 1853# default parameters
8a608357 1854
19bd477d 1855logfile="config.log"
8a608357
MR
1856
1857# installation paths
c9d19248
MR
1858prefix_default="/usr/local"
1859bindir_default='${prefix}/bin'
6291d7e4 1860datadir_default='${prefix}/share/avconv'
c9d19248
MR
1861incdir_default='${prefix}/include'
1862libdir_default='${prefix}/lib'
1863mandir_default='${prefix}/share/man'
1864shlibdir_default="$libdir_default"
8a608357
MR
1865
1866# toolchain
121d78d0 1867ar_default="ar"
13c7df3d 1868cc_default="gcc"
9da6609f 1869host_cc_default="gcc"
4ebc6a74 1870cp_f="cp -f"
b58b00ae 1871ln_s="ln -s -f"
2a8a860a 1872nm_default="nm -g"
11e6d03a 1873objformat="elf"
3f8040db 1874pkg_config_default=pkg-config
be7109c1 1875ranlib="ranlib"
11e6d03a 1876yasmexe="yasm"
8a608357 1877
3e0b1c9a 1878nogas=":"
8182dc34 1879
8a608357 1880# machine
8d4c00ed 1881arch_default=$(uname -m)
38d0a8aa 1882cpu="generic"
8a608357 1883
8a608357 1884# OS
8d4c00ed
MR
1885target_os_default=$(tolower $(uname -s))
1886host_os=$target_os_default
8a608357 1887
8a608357 1888# configurable options
d89f2fa9 1889enable $LIBRARY_LIST $PROGRAM_LIST
3e0b1c9a 1890
3e0b1c9a
DB
1891enable asm
1892enable debug
1893enable doc
8400d6b8 1894enable optimizations
8cfbbd92 1895enable safe_bitstream_reader
530dc538 1896enable static
a9ddb5b1 1897enable swscale_alpha
8a608357 1898
8a608357 1899# build settings
9987769a 1900SHFLAGS='-shared -Wl,-soname,$$(@F)'
4d58e4cb 1901AVSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1902LIBPREF="lib"
1903LIBSUF=".a"
c5f14466
RP
1904FULLNAME='$(NAME)$(BUILDSUF)'
1905LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1906SLIBPREF="lib"
1907SLIBSUF=".so"
c5f14466 1908SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1909SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1910SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1911LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2f138f0b
MR
1912SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1913SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
ef0bc4c9 1914
68485d1f
MR
1915asflags_filter=echo
1916cflags_filter=echo
64933b6c
MR
1917ldflags_filter=echo
1918
23565c26 1919AS_C='-c'
bc877faf 1920AS_O='-o $@'
23565c26 1921CC_C='-c'
18031c49 1922CC_E='-E -o $@'
7e6c86e6 1923CC_O='-o $@'
a758c5e2 1924LD_O='-o $@'
8db73c61
MR
1925LD_LIB='-l%'
1926LD_PATH='-L'
23565c26 1927HOSTCC_C='-c'
a758c5e2 1928HOSTCC_O='-o $@'
095792f2 1929HOSTLD_O='-o $@'
7e6c86e6 1930
4cc4b33f
DB
1931host_cflags='-O3 -g'
1932host_cppflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600'
9da6609f 1933host_libs='-lm'
6c3fa06a
MR
1934host_cflags_filter=echo
1935host_ldflags_filter=echo
9da6609f 1936
9b861379 1937target_path='$(CURDIR)'
a7ada2ba 1938
a158446b
MR
1939# since the object filename is not given with the -MM flag, the compiler
1940# is only able to print the basename, and we must add the path ourselves
a758c5e2
MR
1941DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1942DEPFLAGS='-MM'
315c741d 1943
c597172e 1944# find source path
24524f36 1945if test -f configure; then
f038cf3c 1946 source_path=.
c597172e 1947else
8477f2de 1948 source_path=$(cd $(dirname "$0"); pwd)
c597172e 1949 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1950 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1951 test -e "$source_path/config.h" &&
1952 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1953fi
1954
13cbe2c0 1955for v in "$@"; do
b04251c5
MR
1956 r=${v#*=}
1957 l=${v%"$r"}
1958 r=$(sh_quote "$r")
29ba0911 1959 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
13cbe2c0 1960done
c597172e 1961
73ef8980
MR
1962find_things(){
1963 thing=$1
1964 pattern=$2
1965 file=$source_path/$3
932ccf39 1966 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1967}
1968
1969ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1970DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1971HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1972PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1973BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1974MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1975DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1976OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1977INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1978PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1979FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1980
54e75be4
DB
1981ALL_COMPONENTS="
1982 $BSF_LIST
1983 $DECODER_LIST
1984 $DEMUXER_LIST
1985 $ENCODER_LIST
1986 $FILTER_LIST
1987 $HWACCEL_LIST
1988 $INDEV_LIST
1989 $MUXER_LIST
1990 $OUTDEV_LIST
1991 $PARSER_LIST
1992 $PROTOCOL_LIST
1993"
1994
8469ae22
MR
1995for n in $COMPONENT_LIST; do
1996 v=$(toupper ${n%s})_LIST
1997 eval enable \$$v
1998 eval ${n}_if_any="\$$v"
1999done
2000
206a070d 2001enable $ARCH_EXT_LIST
c597172e
MR
2002
2003die_unknown(){
2004 echo "Unknown option \"$1\"."
2005 echo "See $0 --help for available options."
2006 exit 1
2007}
2008
7432e872
DB
2009print_3_columns() {
2010 cat | tr ' ' '\n' | sort | pr -r -3 -t
2011}
2012
794f8e97 2013show_list() {
bf0c4afa
RP
2014 suffix=_$1
2015 shift
7432e872 2016 echo $* | sed s/$suffix//g | print_3_columns
794f8e97
PI
2017 exit 0
2018}
2019
154caa67
MR
2020rand_list(){
2021 IFS=', '
2022 set -- $*
2023 unset IFS
2024 for thing; do
2025 comp=${thing%:*}
2026 prob=${thing#$comp}
2027 prob=${prob#:}
2028 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2029 echo "prob ${prob:-0.5}"
2030 printf '%s\n' $comp
2031 done
2032}
2033
2034do_random(){
2035 action=$1
2036 shift
2037 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2038 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2039}
2040
c597172e 2041for opt do
7483e694
DB
2042 optval="${opt#*=}"
2043 case "$opt" in
ea061af1
DB
2044 --extra-ldflags=*)
2045 add_ldflags $optval
7e9e7cc2 2046 ;;
ea061af1
DB
2047 --extra-libs=*)
2048 add_extralibs $optval
7e9e7cc2 2049 ;;
ea061af1
DB
2050 --disable-devices)
2051 disable $INDEV_LIST $OUTDEV_LIST
7e9e7cc2 2052 ;;
ea061af1
DB
2053 --enable-debug=*)
2054 debuglevel="$optval"
7e9e7cc2
MR
2055 ;;
2056 --disable-programs)
2057 disable $PROGRAM_LIST
2058 ;;
2059 --disable-everything)
2060 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2061 ;;
844c6852
DB
2062 --disable-all)
2063 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2064 disable $LIBRARY_LIST $PROGRAM_LIST doc
2065 ;;
7e9e7cc2
MR
2066 --enable-random|--disable-random)
2067 action=${opt%%-random}
2068 do_random ${action#--} $COMPONENT_LIST
2069 ;;
2070 --enable-random=*|--disable-random=*)
2071 action=${opt%%-random=*}
2072 do_random ${action#--} $optval
2073 ;;
2074 --enable-*=*|--disable-*=*)
2075 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2076 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2077 eval list=\$$(toupper $thing)_LIST
2078 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2079 $action $(filter "$name" $list)
2080 ;;
2081 --enable-?*|--disable-?*)
2082 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2083 if is_in $option $COMPONENT_LIST; then
2084 test $action = disable && action=unset
2085 eval $action \$$(toupper ${option%s})_LIST
2086 elif is_in $option $CMDLINE_SELECT; then
2087 $action $option
2088 else
2089 die_unknown $opt
2090 fi
2091 ;;
2092 --list-*)
2093 NAME="${opt#--list-}"
2094 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2095 NAME=${NAME%s}
2096 eval show_list $NAME \$$(toupper $NAME)_LIST
2097 ;;
2098 --help|-h) show_help
2099 ;;
2100 *)
2101 optname="${opt%%=*}"
2102 optname="${optname#--}"
2103 optname=$(echo "$optname" | sed 's/-/_/g')
2104 if is_in $optname $CMDLINE_SET; then
2105 eval $optname='$optval'
2106 elif is_in $optname $CMDLINE_APPEND; then
2107 append $optname "$optval"
2108 else
2109 die_unknown $opt
2110 fi
2111 ;;
7483e694 2112 esac
c597172e
MR
2113done
2114
bcea99bb
MR
2115disabled logging && logfile=/dev/null
2116
29ba0911 2117echo "# $0 $LIBAV_CONFIGURATION" > $logfile
bcea99bb
MR
2118set >> $logfile
2119
9da6609f
MR
2120test -n "$cross_prefix" && enable cross_compile
2121
8d4c00ed
MR
2122if enabled cross_compile; then
2123 test -n "$arch" && test -n "$target_os" ||
2124 die "Must specify target arch and OS when cross-compiling"
2125fi
2126
121d78d0 2127ar_default="${cross_prefix}${ar_default}"
11e6d03a 2128cc_default="${cross_prefix}${cc_default}"
20e0ed95 2129nm_default="${cross_prefix}${nm_default}"
3f8040db 2130pkg_config_default="${cross_prefix}${pkg_config_default}"
adb2b908 2131ranlib="${cross_prefix}${ranlib}"
adb2b908 2132
c5200f17
MR
2133sysinclude_default="${sysroot}/usr/include"
2134
aeeb782c 2135case "$toolchain" in
0fbb62a8
LB
2136 clang-asan)
2137 cc_default="clang"
2138 add_cflags -faddress-sanitizer
2139 add_ldflags -faddress-sanitizer
2140 ;;
2141 clang-tsan)
2142 cc_default="clang"
2143 add_cflags -fthread-sanitizer
2144 add_ldflags -fthread-sanitizer
2145 ;;
aeeb782c
MR
2146 msvc)
2147 cc_default="c99wrap cl"
2148 ld_default="c99wrap link"
2149 nm_default="dumpbin -symbols"
ac3a9b51 2150 ar_default="lib"
53e8cd68 2151 target_os_default="win32"
aeeb782c
MR
2152 ;;
2153 ?*)
2154 die "Unknown toolchain $toolchain"
2155 ;;
2156esac
2157
53e8cd68 2158set_default arch cc pkg_config sysinclude target_os
9da6609f
MR
2159enabled cross_compile || host_cc_default=$cc
2160set_default host_cc
13c7df3d 2161
762f95e4
MR
2162if ! $pkg_config --version >/dev/null 2>&1; then
2163 warn "$pkg_config not found, library detection may fail."
2164 pkg_config=false
2165fi
2166
82bb3329
MR
2167exesuf() {
2168 case $1 in
53e8cd68 2169 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
82bb3329
MR
2170 esac
2171}
2172
2173EXESUF=$(exesuf $target_os)
2174HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 2175
e4e69e0b 2176# set temporary file name
a49d42c2 2177: ${TMPDIR:=$TEMPDIR}
c51fafa1 2178: ${TMPDIR:=$TMP}
a49d42c2 2179: ${TMPDIR:=/tmp}
e4e69e0b 2180
a210bce2 2181if ! check_cmd mktemp -u XXXXXX; then
54460a83
MR
2182 # simple replacement for missing mktemp
2183 # NOT SAFE FOR GENERAL USE
2184 mktemp(){
09a5c245 2185 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
54460a83
MR
2186 }
2187fi
2188
2189tmpfile(){
2190 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2191 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 2192 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
2193 append TMPFILES $tmp
2194 eval $1=$tmp
2195}
2196
2197trap 'rm -f -- $TMPFILES' EXIT
54460a83 2198
55127e7b 2199tmpfile TMPASM .asm
3e0b1c9a
DB
2200tmpfile TMPC .c
2201tmpfile TMPE $EXESUF
2202tmpfile TMPH .h
2203tmpfile TMPO .o
2204tmpfile TMPS .S
2205tmpfile TMPSH .sh
2206tmpfile TMPV .ver
54460a83
MR
2207
2208unset -f mktemp
e4e69e0b 2209
fb3c4ffc
MR
2210chmod +x $TMPE
2211
993f2d0f
MR
2212# make sure we can execute files in $TMPDIR
2213cat > $TMPSH 2>> $logfile <<EOF
2214#! /bin/sh
2215EOF
2216chmod +x $TMPSH >> $logfile 2>&1
2217if ! $TMPSH >> $logfile 2>&1; then
2218 cat <<EOF
2219Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2220variable to another directory and make sure that it is not mounted noexec.
2221EOF
2222 die "Sanity test failed."
2223fi
993f2d0f 2224
457cc333
MR
2225ccc_flags(){
2226 for flag; do
2227 case $flag in
2228 -std=c99) echo -c99 ;;
2229 -mcpu=*) echo -arch ${flag#*=} ;;
2230 -mieee) echo -ieee ;;
2231 -O*|-fast) echo $flag ;;
2232 -fno-math-errno) echo -assume nomath_errno ;;
2233 -g) echo -g3 ;;
2234 -Wall) echo -msg_enable level2 ;;
2235 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2236 -Wl,*) echo $flag ;;
2237 -f*|-W*) ;;
2238 *) echo $flag ;;
2239 esac
2240 done
2241}
2242
dfa559bc
RB
2243msvc_flags(){
2244 for flag; do
2245 case $flag in
2246 -fomit-frame-pointer) echo -Oy ;;
2247 -g) echo -Z7 ;;
2248 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2249 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
4a185ed2 2250 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
d66c52c2 2251 -wd4996 -wd4273 ;;
dfa559bc
RB
2252 -std=c99) ;;
2253 -fno-math-errno) ;;
2254 -fno-common) ;;
2255 -fno-signed-zeros) ;;
50640977 2256 -fPIC) ;;
dfa559bc 2257 -lz) echo zlib.lib ;;
bd680c7b
DB
2258 -lavifil32) echo vfw32.lib ;;
2259 -lavicap32) echo vfw32.lib user32.lib ;;
dfa559bc
RB
2260 -l*) echo ${flag#-l}.lib ;;
2261 *) echo $flag ;;
2262 esac
2263 done
2264}
2265
d0c6d424
MR
2266pgi_flags(){
2267 for flag; do
2268 case $flag in
643933f5 2269 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
d0c6d424
MR
2270 -fomit-frame-pointer) echo -Mnoframe ;;
2271 -g) echo -gopt ;;
2272 *) echo $flag ;;
2273 esac
2274 done
2275}
2276
2277suncc_flags(){
2278 for flag; do
2279 case $flag in
2280 -march=*|-mcpu=*)
2281 case "${flag#*=}" in
2282 native) echo -xtarget=native ;;
2283 v9|niagara) echo -xarch=sparc ;;
2284 ultrasparc) echo -xarch=sparcvis ;;
2285 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2286 i586|pentium) echo -xchip=pentium ;;
2287 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2288 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2289 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2290 pentium4*) echo -xtarget=pentium4 ;;
2291 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2292 *-sse3) echo -xarch=sse3 ;;
2293 core2) echo -xarch=ssse3 -xchip=core2 ;;
f2ce813e
SM
2294 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2295 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
b36f87ff 2296 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
d0c6d424
MR
2297 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2298 k8|opteron|athlon64|athlon-fx)
2299 echo -xarch=sse2a ;;
2300 athlon*) echo -xarch=pentium_proa ;;
2301 esac
2302 ;;
2303 -std=c99) echo -xc99 ;;
2304 -fomit-frame-pointer) echo -xregs=frameptr ;;
2305 -fPIC) echo -KPIC -xcode=pic32 ;;
2306 -W*,*) echo $flag ;;
5e753ed5
SM
2307 -f*-*|-W*|-mimpure-text) ;;
2308 -shared) echo -G ;;
d0c6d424
MR
2309 *) echo $flag ;;
2310 esac
2311 done
2312}
2313
2314tms470_flags(){
2315 for flag; do
2316 case $flag in
2317 -march=*|-mcpu=*)
2318 case "${flag#*=}" in
2319 armv7-a|cortex-a*) echo -mv=7a8 ;;
2320 armv7-r|cortex-r*) echo -mv=7r4 ;;
2321 armv7-m|cortex-m*) echo -mv=7m3 ;;
2322 armv6*|arm11*) echo -mv=6 ;;
2323 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2324 echo -mv=5e ;;
2325 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2326 esac
2327 ;;
2328 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2329 -mfpu=vfp) echo --float_support=vfpv2 ;;
2330 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
b5198a26 2331 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
d0c6d424
MR
2332 -msoft-float) echo --float_support=vfplib ;;
2333 -O[0-3]|-mf=*) echo $flag ;;
2334 -g) echo -g -mn ;;
2335 -pds=*) echo $flag ;;
ad93dccb
MR
2336 -D*|-I*) echo $flag ;;
2337 --gcc|--abi=*) echo $flag ;;
2338 -me) echo $flag ;;
d0c6d424
MR
2339 esac
2340 done
2341}
2342
a758c5e2
MR
2343probe_cc(){
2344 pfx=$1
2345 _cc=$2
2346
8db73c61
MR
2347 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2348 unset _ld_o _ldflags _ld_lib _ld_path
18031c49 2349 unset _depflags _DEPCMD _DEPFLAGS
a758c5e2
MR
2350 _flags_filter=echo
2351
2352 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2353 _type=llvm_gcc
2354 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2355 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2356 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2357 _cflags_speed='-O3'
2358 _cflags_size='-Os'
2359 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2360 _type=gcc
2361 gcc_version=$($_cc --version | head -n1)
2362 gcc_basever=$($_cc -dumpversion)
2363 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2364 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2365 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2366 if ! $_cc -dumpversion | grep -q '^2\.'; then
2367 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2368 fi
2369 _cflags_speed='-O3'
2370 _cflags_size='-Os'
b2d688ea 2371 elif $_cc --version 2>/dev/null | grep -q ^icc; then
a758c5e2
MR
2372 _type=icc
2373 _ident=$($_cc --version | head -n1)
2374 _depflags='-MMD'
2375 _cflags_speed='-O3'
2376 _cflags_size='-Os'
2377 _cflags_noopt='-O1'
2378 elif $_cc -v 2>&1 | grep -q xlc; then
2379 _type=xlc
2380 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2381 _cflags_speed='-O5'
2382 _cflags_size='-O5 -qcompact'
2383 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2384 _type=ccc
2385 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2386 _DEPFLAGS='-M'
a758c5e2
MR
2387 _cflags_speed='-fast'
2388 _cflags_size='-O1'
457cc333 2389 _flags_filter=ccc_flags
a758c5e2
MR
2390 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2391 test -d "$sysroot" || die "No valid sysroot specified."
2392 _type=armcc
2393 _ident=$($_cc --vsn | head -n1)
2394 armcc_conf="$PWD/armcc.conf"
2395 $_cc --arm_linux_configure \
2396 --arm_linux_config_file="$armcc_conf" \
2397 --configure_sysroot="$sysroot" \
2398 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2399 die "Error creating armcc configuration file."
2400 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2401 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2402 as_default="${cross_prefix}gcc"
2403 _depflags='-MMD'
2404 _cflags_speed='-O3'
2405 _cflags_size='-Os'
0122118e 2406 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
a758c5e2
MR
2407 _type=tms470
2408 _ident=$($_cc -version | head -n1 | tr -s ' ')
2409 _flags='--gcc --abi=eabi -me'
18031c49 2410 _cc_e='-ppl -fe=$@'
a758c5e2 2411 _cc_o='-fe=$@'
a758c5e2
MR
2412 _depflags='-ppa -ppd=$(@:.o=.d)'
2413 _cflags_speed='-O3 -mf=5'
2414 _cflags_size='-O3 -mf=2'
2415 _flags_filter=tms470_flags
2416 elif $_cc -v 2>&1 | grep -q clang; then
2417 _type=clang
2418 _ident=$($_cc --version | head -n1)
2419 _depflags='-MMD'
2420 _cflags_speed='-O3'
2421 _cflags_size='-Os'
2422 elif $_cc -V 2>&1 | grep -q Sun; then
2423 _type=suncc
2424 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2425 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
c72f12cb 2426 _DEPFLAGS='-xM1 -xc99'
a758c5e2
MR
2427 _ldflags='-std=c99'
2428 _cflags_speed='-O5'
2429 _cflags_size='-O5 -xspace'
2430 _flags_filter=suncc_flags
2431 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2432 _type=pathscale
2433 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2434 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2435 _cflags_speed='-O2'
2436 _cflags_size='-Os'
2437 _flags_filter='filter_out -Wdisabled-optimization'
2438 elif $_cc -v 2>&1 | grep -q Open64; then
2439 _type=open64
2440 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2441 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2442 _cflags_speed='-O2'
2443 _cflags_size='-Os'
2444 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2445 elif $_cc -V 2>&1 | grep -q Portland; then
2446 _type=pgi
2447 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
8f23907f 2448 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
a758c5e2
MR
2449 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2450 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2451 _cflags_noopt="-O1"
2452 _flags_filter=pgi_flags
dfa559bc
RB
2453 elif $_cc 2>&1 | grep -q Microsoft; then
2454 _type=msvc
2455 _ident=$($cc 2>&1 | head -n1)
2456 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2457 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2458 _cflags_speed="-O2"
2459 _cflags_size="-O1"
2460 # Nonstandard output options, to avoid msys path conversion issues, relies on wrapper to remap it
2461 if $_cc 2>&1 | grep -q Linker; then
2462 _ld_o='-out $@'
2463 else
2464 _ld_o='-Fe$@'
2465 fi
2466 _cc_o='-Fo $@'
a224b2cb 2467 _cc_e='-P -Fi $@'
dfa559bc
RB
2468 _flags_filter=msvc_flags
2469 _ld_lib='lib%.a'
2470 _ld_path='-libpath:'
2471 _flags='-nologo'
2472 _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2473 if [ $pfx = hostcc ]; then
6a0200f2 2474 append _cflags -Dsnprintf=_snprintf
dfa559bc 2475 fi
aef6bd1b 2476 fi
a758c5e2
MR
2477
2478 eval ${pfx}_type=\$_type
2479 eval ${pfx}_ident=\$_ident
2480}
2481
2482set_ccvars(){
23565c26 2483 eval ${1}_C=\${_cc_c-\${${1}_C}}
18031c49 2484 eval ${1}_E=\${_cc_e-\${${1}_E}}
a758c5e2
MR
2485 eval ${1}_O=\${_cc_o-\${${1}_O}}
2486
2487 if [ -n "$_depflags" ]; then
2488 eval ${1}_DEPFLAGS=\$_depflags
2489 else
2490 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2491 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2492 eval DEP${1}FLAGS=\$_flags
2493 fi
2494}
2495
2496probe_cc cc "$cc"
2497cflags_filter=$_flags_filter
2498cflags_speed=$_cflags_speed
2499cflags_size=$_cflags_size
2500cflags_noopt=$_cflags_noopt
2501add_cflags $_flags $_cflags
2502cc_ldflags=$_ldflags
2503set_ccvars CC
2504
2505probe_cc hostcc "$host_cc"
2506host_cflags_filter=$_flags_filter
a758c5e2 2507add_host_cflags $_flags $_cflags
a758c5e2 2508set_ccvars HOSTCC
629687f6 2509
851ffa80
MR
2510test -n "$cc_type" && enable $cc_type ||
2511 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 2512
75bafbac 2513: ${as_default:=$cc}
50567afa 2514: ${dep_cc_default:=$cc}
684b28e0 2515: ${ld_default:=$cc}
095792f2
MR
2516: ${host_ld_default:=$host_cc}
2517set_default ar as dep_cc ld host_ld
75800dce 2518
a758c5e2
MR
2519probe_cc as "$as"
2520asflags_filter=$_flags_filter
2521add_asflags $_flags $_cflags
2522set_ccvars AS
2523
2524probe_cc ld "$ld"
2525ldflags_filter=$_flags_filter
2526add_ldflags $_flags $_ldflags
2527test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2763587c 2528LD_O=${_ld_o-$LD_O}
8db73c61
MR
2529LD_LIB=${_ld_lib-$LD_LIB}
2530LD_PATH=${_ld_path-$LD_PATH}
a758c5e2 2531
095792f2
MR
2532probe_cc hostld "$host_ld"
2533host_ldflags_filter=$_flags_filter
2534add_host_ldflags $_flags $_ldflags
2535HOSTLD_O=${_ld_o-$HOSTLD_O}
2536
a758c5e2
MR
2537if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2538 probe_cc depcc "$dep_cc"
2539 CCDEP=${_DEPCMD:-$DEPCMD}
2540 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2541 DEPCCFLAGS=$_flags
2542fi
07dec06e 2543
3dbc777c
MR
2544if $ar 2>&1 | grep -q Microsoft; then
2545 arflags="-nologo"
2546 ar_o='-out:$@'
2547elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2548 arflags="rq"
2549 ar_o='$@'
2550else
2551 arflags="rc"
2552 ar_o='$@'
2553fi
2554
7f32f40c 2555add_cflags $extra_cflags
2f2e6c7c 2556add_asflags $extra_cflags
7f32f40c 2557
154d432c
MR
2558if test -n "$sysroot"; then
2559 case "$cc_type" in
00ba041c 2560 gcc|llvm_gcc|clang)
467256f2 2561 add_cppflags --sysroot="$sysroot"
154d432c
MR
2562 add_ldflags --sysroot="$sysroot"
2563 ;;
6fec122a
MR
2564 tms470)
2565 add_cppflags -I"$sysinclude"
2566 add_ldflags --sysroot="$sysroot"
2567 ;;
154d432c
MR
2568 esac
2569fi
2570
d22c13a8
MR
2571if test "$cpu" = host; then
2572 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2573
2574 case "$cc_type" in
613a4e3f 2575 gcc|llvm_gcc)
d22c13a8
MR
2576 check_native(){
2577 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
b695256e 2578 sed -n "/cc1.*$1=/{
27ce1be8
MR
2579 s/.*$1=\\([^ ]*\\).*/\\1/
2580 p
2581 q
2582 }" $TMPE
d22c13a8
MR
2583 }
2584 cpu=$(check_native -march || check_native -mcpu)
2585 ;;
2586 esac
2587
2588 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2589fi
2590
e939cedd
MR
2591# Deal with common $arch aliases
2592case "$arch" in
5873b623
MR
2593 aarch64|arm64)
2594 arch="aarch64"
2595 ;;
e939cedd
MR
2596 arm*)
2597 arch="arm"
2598 ;;
2acda282 2599 mips*|IP*)
e939cedd
MR
2600 arch="mips"
2601 ;;
a6e9d649 2602 parisc*|hppa*)
e939cedd
MR
2603 arch="parisc"
2604 ;;
56203596 2605 "Power Macintosh"|ppc*|powerpc*)
e939cedd
MR
2606 arch="ppc"
2607 ;;
e939cedd
MR
2608 s390|s390x)
2609 arch="s390"
2610 ;;
2611 sh4|sh)
2612 arch="sh4"
2613 ;;
4cd217c0 2614 sun4u|sparc*)
e939cedd 2615 arch="sparc"
e939cedd 2616 ;;
c75848cd
DB
2617 tilegx|tile-gx)
2618 arch="tilegx"
2619 ;;
d33ed7b3 2620 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
e939cedd
MR
2621 arch="x86"
2622 ;;
2623esac
2624
851ffa80 2625is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 2626enable $arch
e939cedd 2627
df5cdc24 2628# Add processor-specific flags
9ebd45c2 2629if enabled aarch64; then
33db40f8
MR
2630
2631 case $cpu in
2632 armv*)
2633 cpuflags="-march=$cpu"
2634 ;;
2635 *)
2636 cpuflags="-mcpu=$cpu"
2637 ;;
2638 esac
2639
2640elif enabled alpha; then
2641
2642 cpuflags="-mcpu=$cpu"
2643
2644elif enabled arm; then
2645
1234c66a
MR
2646 check_arm_arch() {
2647 check_cpp_condition stddef.h \
2648 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
2649 $cpuflags
2650 }
2651
2652 probe_arm_arch() {
2653 if check_arm_arch 4; then echo armv4;
2654 elif check_arm_arch 4T; then echo armv4t;
2655 elif check_arm_arch 5; then echo armv5;
2656 elif check_arm_arch 5E; then echo armv5e;
2657 elif check_arm_arch 5T; then echo armv5t;
2658 elif check_arm_arch 5TE; then echo armv5te;
2659 elif check_arm_arch 5TEJ; then echo armv5te;
2660 elif check_arm_arch 6; then echo armv6;
2661 elif check_arm_arch 6J; then echo armv6j;
2662 elif check_arm_arch 6K; then echo armv6k;
2663 elif check_arm_arch 6Z; then echo armv6z;
2664 elif check_arm_arch 6ZK; then echo armv6zk;
2665 elif check_arm_arch 6T2; then echo armv6t2;
2666 elif check_arm_arch 7; then echo armv7;
2667 elif check_arm_arch 7A 7_A; then echo armv7-a;
2668 elif check_arm_arch 7R 7_R; then echo armv7-r;
2669 elif check_arm_arch 7M 7_M; then echo armv7-m;
2670 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
2671 elif check_arm_arch 8A 8_A; then echo armv8-a;
2672 fi
2673 }
2674
2675 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
2676
33db40f8
MR
2677 case $cpu in
2678 armv*)
2679 cpuflags="-march=$cpu"
2680 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2681 ;;
2682 *)
2683 cpuflags="-mcpu=$cpu"
2684 case $cpu in
2685 cortex-a*) subarch=armv7a ;;
2686 cortex-r*) subarch=armv7r ;;
2687 cortex-m*) enable thumb; subarch=armv7m ;;
2688 arm11*) subarch=armv6 ;;
2689 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2690 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
1234c66a 2691 *) subarch=$(probe_arm_arch) ;;
33db40f8
MR
2692 esac
2693 ;;
2694 esac
2695
f0fe245b
MR
2696 case "$subarch" in
2697 armv5t*) enable fast_clz ;;
2698 armv[6-8]*) enable fast_clz fast_unaligned ;;
2699 esac
2700
33db40f8
MR
2701elif enabled avr32; then
2702
2703 case $cpu in
2704 ap7[02]0[0-2])
2705 subarch="avr32_ap"
2706 cpuflags="-mpart=$cpu"
2707 ;;
2708 ap)
2709 subarch="avr32_ap"
2710 cpuflags="-march=$cpu"
2711 ;;
2712 uc3[ab]*)
2713 subarch="avr32_uc"
2714 cpuflags="-mcpu=$cpu"
2715 ;;
2716 uc)
2717 subarch="avr32_uc"
2718 cpuflags="-march=$cpu"
2719 ;;
2720 esac
2721
2722elif enabled bfin; then
2723
2724 cpuflags="-mcpu=$cpu"
2725
2726elif enabled mips; then
2727
2728 cpuflags="-march=$cpu"
2729
5d54c126 2730elif enabled ppc; then
343aef9b 2731
56348891
MR
2732 case $(tolower $cpu) in
2733 601|ppc601|powerpc601)
9dbd5c3d 2734 cpuflags="-mcpu=601"
64ad53ff 2735 disable altivec
9dbd5c3d 2736 ;;
56348891 2737 603*|ppc603*|powerpc603*)
9dbd5c3d 2738 cpuflags="-mcpu=603"
64ad53ff 2739 disable altivec
9dbd5c3d 2740 ;;
56348891 2741 604*|ppc604*|powerpc604*)
9dbd5c3d 2742 cpuflags="-mcpu=604"
64ad53ff 2743 disable altivec
9dbd5c3d 2744 ;;
56348891 2745 g3|75*|ppc75*|powerpc75*)
7f1fcaf0 2746 cpuflags="-mcpu=750"
64ad53ff 2747 disable altivec
9dbd5c3d 2748 ;;
56348891 2749 g4|745*|ppc745*|powerpc745*)
7f1fcaf0 2750 cpuflags="-mcpu=7450"
9dbd5c3d 2751 ;;
56348891 2752 74*|ppc74*|powerpc74*)
7f1fcaf0 2753 cpuflags="-mcpu=7400"
9dbd5c3d 2754 ;;
313f9fbf 2755 g5|970|ppc970|powerpc970)
7f1fcaf0 2756 cpuflags="-mcpu=970"
9dbd5c3d 2757 ;;
313f9fbf 2758 power[3-7]*)
7f1fcaf0 2759 cpuflags="-mcpu=$cpu"
313f9fbf 2760 ;;
56348891 2761 cell)
9dbd5c3d
MR
2762 cpuflags="-mcpu=cell"
2763 enable ldbrx
2764 ;;
4ab26cb4
DB
2765 e500mc)
2766 cpuflags="-mcpu=e500mc"
2767 disable altivec
2768 ;;
7b0b81a1
AL
2769 e500v2)
2770 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2771 disable altivec
2772 ;;
2773 e500)
2774 cpuflags="-mcpu=8540 -mhard-float"
2775 disable altivec
2776 ;;
9dbd5c3d 2777 esac
343aef9b 2778
33db40f8
MR
2779elif enabled sparc; then
2780
2781 case $cpu in
2782 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
2783 cpuflags="-mcpu=$cpu"
2784 disable vis
2785 ;;
2786 ultrasparc*|niagara[234])
2787 cpuflags="-mcpu=$cpu"
2788 ;;
2789 esac
2790
343aef9b
MR
2791elif enabled x86; then
2792
9dbd5c3d
MR
2793 case $cpu in
2794 i[345]86|pentium)
2795 cpuflags="-march=$cpu"
2796 disable mmx
2797 ;;
2798 # targets that do NOT support conditional mov (cmov)
2799 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2800 cpuflags="-march=$cpu"
2801 disable cmov
2802 ;;
2803 # targets that do support conditional mov (cmov)
f2ce813e 2804 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
9dbd5c3d
MR
2805 cpuflags="-march=$cpu"
2806 enable cmov
2807 enable fast_cmov
2808 ;;
2809 # targets that do support conditional mov but on which it's slow
2810 pentium4|pentium4m|prescott|nocona)
2811 cpuflags="-march=$cpu"
2812 enable cmov
2813 disable fast_cmov
2814 ;;
2815 esac
343aef9b 2816
343aef9b
MR
2817fi
2818
9ebd45c2
MR
2819if [ "$cpu" != generic ]; then
2820 add_cflags $cpuflags
2821 add_asflags $cpuflags
2822fi
df5cdc24 2823
993f2d0f
MR
2824# compiler sanity check
2825check_exec <<EOF
2826int main(void){ return 0; }
2827EOF
2828if test "$?" != 0; then
2829 echo "$cc is unable to create an executable file."
2830 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2831 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2832 echo "Only do this if you know what cross compiling means."
2833 fi
2834 die "C compiler test failed."
2835fi
2836
046f081b 2837add_cppflags -D_ISOC99_SOURCE
e9b9a2f8 2838check_cflags -std=c99
50a334e4 2839check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2840#include <stdlib.h>
2841EOF
50a334e4 2842check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2843#include <stdlib.h>
2844EOF
e9b9a2f8 2845
f0125de9 2846check_host_cflags -std=c99
0a6db2a2 2847check_host_cflags -Wall
f0125de9 2848
d4c99513
MR
2849check_64bit(){
2850 arch32=$1
2851 arch64=$2
2852 expr=$3
2853 check_code cc "" "int test[2*($expr) - 1]" &&
2854 subarch=$arch64 || subarch=$arch32
2855}
2856
b24dbcbd 2857case "$arch" in
d11cb13b 2858 aarch64|alpha|ia64)
2acda282
MR
2859 spic=$shared
2860 ;;
2861 mips)
2862 check_64bit mips mips64 '_MIPS_SIM > 1'
8a3c8627 2863 spic=$shared
b24dbcbd 2864 ;;
a6e9d649
MR
2865 parisc)
2866 check_64bit parisc parisc64 'sizeof(void *) > 4'
2867 spic=$shared
2868 ;;
56203596
MR
2869 ppc)
2870 check_64bit ppc ppc64 'sizeof(void *) > 4'
1944d532 2871 spic=$shared
56203596 2872 ;;
4cd217c0
MR
2873 sparc)
2874 check_64bit sparc sparc64 'sizeof(void *) > 4'
2875 spic=$shared
2876 ;;
e939cedd 2877 x86)
d4c99513 2878 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
de27f4d9 2879 if test "$subarch" = "x86_64"; then
e939cedd 2880 spic=$shared
de27f4d9 2881 fi
b24dbcbd 2882 ;;
b24dbcbd
RP
2883esac
2884
343aef9b 2885enable $subarch
8a3c8627 2886enabled spic && enable pic
b24dbcbd 2887
7483e694 2888# OS specific
4f854758 2889case $target_os in
a1629e28 2890 haiku)
63ae7e7c 2891 prefix_default="/boot/common"
108caaaa 2892 network_extralibs="-lnetwork"
f59c4bd6 2893 host_libs=
a1629e28 2894 ;;
7483e694 2895 sunos)
4d58e4cb 2896 AVSERVERLDFLAGS=""
9987769a 2897 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2898 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2899 network_extralibs="-lsocket -lnsl"
779222db 2900 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
87a74f47
SM
2901 # When using suncc to build, the Solaris linker will mark
2902 # an executable with each instruction set encountered by
2903 # the Solaris assembler. As our libraries contain their own
2904 # guards for processor-specific code, instead suppress
2905 # generation of the HWCAPS ELF section on Solaris x86 only.
2906 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2a8a860a 2907 nm_default='nm -P -g'
7483e694
DB
2908 ;;
2909 netbsd)
a1e4b3f6 2910 disable symver
07a8eef6
MR
2911 oss_indev_extralibs="-lossaudio"
2912 oss_outdev_extralibs="-lossaudio"
7483e694 2913 ;;
d488c3bc 2914 openbsd|bitrig)
a1e4b3f6 2915 disable symver
7483e694 2916 SHFLAGS='-shared'
69dca3a4 2917 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
d5683aba 2918 SLIB_INSTALL_LINKS=
07a8eef6
MR
2919 oss_indev_extralibs="-lossaudio"
2920 oss_outdev_extralibs="-lossaudio"
7483e694 2921 ;;
a1e4b3f6 2922 dragonfly)
a1e4b3f6
MR
2923 disable symver
2924 ;;
2925 freebsd)
7483e694
DB
2926 ;;
2927 bsd/os)
355d81df 2928 add_extralibs -lpoll -lgnugetopt
7483e694
DB
2929 ;;
2930 darwin)
301ab19d 2931 gas="gas-preprocessor.pl $cc"
e08b8239 2932 enabled ppc && add_asflags -force_cpusubtype_ALL
49e35f49 2933 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
dff68563 2934 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
355d81df 2935 add_ldflags -Wl,-dynamic,-search_paths_first
7483e694
DB
2936 SLIBSUF=".dylib"
2937 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2938 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4d58e4cb 2939 AVSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2940 objformat="macho"
1b0f6fb8 2941 enabled x86_64 && objformat="macho64"
8dfa86f7 2942 enabled_any pic shared ||
2704bd1a 2943 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2944 ;;
2945 mingw32*)
9d3f4f50 2946 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2947 disable network
2948 else
2949 target_os=mingw32
2950 fi
dcc01c06 2951 LIBTARGET=i386
1fc9fb8a 2952 if enabled x86_64; then
417516f6 2953 LIBTARGET="i386:x86-64"
336cc1b0 2954 elif enabled arm; then
15c5156d 2955 LIBTARGET=arm-wince
dcc01c06 2956 fi
fbd971a4 2957 shlibdir_default="$bindir_default"
7483e694
DB
2958 SLIBPREF=""
2959 SLIBSUF=".dll"
7483e694
DB
2960 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2961 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
eb7018d2 2962 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2f138f0b
MR
2963 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2964 SLIB_INSTALL_LINKS=
2965 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2966 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
eb7018d2 2967 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2968 objformat="win32"
ec10a9ab 2969 dlltool="${cross_prefix}dlltool"
a3222470 2970 ranlib=:
bc574408 2971 enable dos_paths
7483e694 2972 ;;
53e8cd68 2973 win32|win64)
d66c52c2
MS
2974 if enabled shared; then
2975 # Link to the import library instead of the normal static library
2976 # for shared libs.
2977 LD_LIB='%.lib'
2978 # Cannot build shared and static libraries at the same time with
2979 # MSVC.
2980 disable static
2981 fi
2982 shlibdir_default="$bindir_default"
2983 SLIBPREF=""
2984 SLIBSUF=".dll"
2985 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2986 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2987 SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
2988 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2989 SLIB_INSTALL_LINKS=
2990 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2991 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2992 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
53e8cd68
MS
2993 objformat="win32"
2994 ranlib=:
2995 enable dos_paths
2996 ;;
7483e694 2997 cygwin*)
4f854758 2998 target_os=cygwin
fbd971a4 2999 shlibdir_default="$bindir_default"
7483e694
DB
3000 SLIBPREF="cyg"
3001 SLIBSUF=".dll"
3002 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3003 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
f5d2c597
YS
3004 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3005 SLIB_INSTALL_LINKS=
3006 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3007 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
304d586d 3008 objformat="win32"
bc574408 3009 enable dos_paths
7483e694 3010 ;;
4f365f37 3011 *-dos|freedos|opendos)
4f365f37 3012 network_extralibs="-lsocket"
ff1c015d 3013 objformat="coff"
bc574408 3014 enable dos_paths
a7a187a1 3015 add_cppflags -U__STRICT_ANSI__
4f365f37 3016 ;;
7483e694 3017 linux)
7483e694
DB
3018 enable dv1394
3019 ;;
3020 irix*)
4f854758 3021 target_os=irix
7483e694
DB
3022 ranlib="echo ignoring ranlib"
3023 ;;
d22e8442 3024 os/2*)
d22e8442 3025 ln_s="cp -f"
9297f1ed 3026 objformat="aout"
e14574eb 3027 add_cppflags -D_GNU_SOURCE
355d81df 3028 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
71c61f62 3029 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4d58e4cb 3030 AVSERVERLDFLAGS=""
287d3b13 3031 LIBSUF="_s.a"
d22e8442
DY
3032 SLIBPREF=""
3033 SLIBSUF=".dll"
3034 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3035 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62 3036 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
f69f51b3
DB
3037 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3038 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3039 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3040 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3041 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
71c61f62 3042 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
f69f51b3 3043 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2f138f0b 3044 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
bc574408 3045 enable dos_paths
d22e8442 3046 ;;
83993c1c 3047 gnu/kfreebsd)
3bd1eacd 3048 add_cppflags -D_BSD_SOURCE
83993c1c 3049 ;;
34e82167 3050 gnu)
34e82167 3051 ;;
d33ed7b3
MR
3052 qnx)
3053 add_cppflags -D_QNX_SOURCE
3054 network_extralibs="-lsocket"
3055 ;;
1c69c79f
MS
3056 symbian)
3057 SLIBSUF=".dll"
3058 enable dos_paths
e3bc07f4
MS
3059 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3060 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3061 add_ldflags -Wl,--target1-abs,--no-undefined \
3062 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3063 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3064 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3065 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3066 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
1c69c79f 3067 ;;
fdd66609
MR
3068 osf1)
3069 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3070 AVSERVERLDFLAGS=
3071 ;;
741a8b72
MR
3072 minix)
3073 ;;
4ebc6a74
MR
3074 plan9)
3075 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3076 -D_REENTRANT_SOURCE \
3077 -D_RESEARCH_SOURCE \
3078 -DFD_SETSIZE=96 \
3079 -DHAVE_SOCK_OPTS
3080 add_compat strtod.o strtod=avpriv_strtod
3081 network_extralibs='-lbsd'
3082 exeobjs=compat/plan9/main.o
3083 disable avserver
4ebc6a74
MR
3084 cp_f='cp'
3085 ;;
614d8911
MR
3086 none)
3087 ;;
7483e694 3088 *)
4f924f9a 3089 die "Unknown OS '$target_os'."
7483e694
DB
3090 ;;
3091esac
3092
b797f3c4
MR
3093# determine libc flavour
3094
197252f1 3095# uclibc defines __GLIBC__, so it needs to be checked before glibc.
b797f3c4
MR
3096if check_cpp_condition features.h "defined __UCLIBC__"; then
3097 libc_type=uclibc
3bd1eacd 3098 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
b797f3c4
MR
3099elif check_cpp_condition features.h "defined __GLIBC__"; then
3100 libc_type=glibc
3bd1eacd 3101 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
29f1fa74
DB
3102# MinGW headers can be installed on Cygwin, so check for newlib first.
3103elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3104 libc_type=newlib
3105 add_cppflags -U__STRICT_ANSI__
b797f3c4
MR
3106elif check_header _mingw.h; then
3107 libc_type=mingw
3108 check_cpp_condition _mingw.h \
3109 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3110 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3111 die "ERROR: MinGW runtime version must be >= 3.15."
759a3a21 3112 add_cppflags -U__STRICT_ANSI__
4fa661a8
RB
3113elif check_func_headers stdlib.h _get_doserrno; then
3114 libc_type=msvcrt
84e65c76
MR
3115 add_compat strtod.o strtod=avpriv_strtod
3116 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3117 _snprintf=avpriv_snprintf \
3118 vsnprintf=avpriv_vsnprintf
b797f3c4
MR
3119elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3120 libc_type=klibc
3121fi
3122
3123test -n "$libc_type" && enable $libc_type
3124
5ab432fa
MR
3125# hacks for compiler/libc/os combinations
3126
3127if enabled_all tms470 glibc; then
b6f8d635 3128 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
5ab432fa
MR
3129 add_cppflags -D__USER_LABEL_PREFIX__=
3130 add_cppflags -D__builtin_memset=memset
3131 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3132 add_cflags -pds=48 # incompatible redefinition of macro
3133fi
3134
457cc333
MR
3135if enabled_all ccc glibc; then
3136 add_ldflags -Wl,-z,now # calls to libots crash without this
3137fi
3138
6555acad
MR
3139esc(){
3140 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3141}
3142
3143echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
db7515fd 3144
13cb2187
AS
3145check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
3146
c9d19248 3147set_default $PATHS_LIST
2a8a860a 3148set_default nm
c9d19248 3149
320d060a 3150# we need to build at least one lib type
93b3c083 3151if ! enabled_any static shared; then
320d060a
DB
3152 cat <<EOF
3153At least one library type must be built.
3154Specify --enable-static to build the static libraries or --enable-shared to
3155build the shared libraries as well. To only build the shared libraries specify
3156--disable-static in addition to --enable-shared.
3157EOF
3158 exit 1;
3159fi
3160
2184c6f7 3161die_license_disabled() {
4c27207c 3162 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
3163}
3164
e417d80d 3165die_license_disabled gpl libcdio
2184c6f7 3166die_license_disabled gpl libx264
de295976 3167die_license_disabled gpl libxavs
2184c6f7 3168die_license_disabled gpl libxvid
2184c6f7
DB
3169die_license_disabled gpl x11grab
3170
2f7ae63b 3171die_license_disabled nonfree libfaac
87246953 3172die_license_disabled nonfree libfdk_aac
a060866f 3173die_license_disabled nonfree openssl
b2e3c528 3174
0b175caa
DB
3175die_license_disabled version3 libopencore_amrnb
3176die_license_disabled version3 libopencore_amrwb
d89e738a 3177die_license_disabled version3 libvo_aacenc
f502ff3f 3178die_license_disabled version3 libvo_amrwbenc
0b175caa 3179
9cad0e4e 3180enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 3181
40617a6d 3182disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 3183
e276d9e8
MR
3184enable_pic() {
3185 enable pic
bce7b696
MR
3186 add_cppflags -DPIC
3187 add_cflags -fPIC
3188 add_asflags -fPIC
e276d9e8
MR
3189}
3190
3191enabled pic && enable_pic
bce7b696 3192
b4d96ba2
MR
3193check_cc <<EOF || die "Symbol mangling check failed."
3194int ff_extern;
3195EOF
2a8a860a 3196sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
3197extern_prefix=${sym%%ff_extern*}
3198
afb5ed55 3199check_cc <<EOF && enable_weak inline_asm
f65883c8
MR
3200void foo(void) { __asm__ volatile ("" ::); }
3201EOF
61d251db 3202
df5e3978
MR
3203_restrict=
3204for restrict_keyword in restrict __restrict__ __restrict; do
3205 check_cc <<EOF && _restrict=$restrict_keyword && break
3206void foo(char * $restrict_keyword p);
3207EOF
3208done
3209
3210check_cc <<EOF && enable attribute_packed
3211struct { int x; } __attribute__((packed)) x;
3212EOF
3213
dffb41b9
MR
3214check_cc <<EOF && enable attribute_may_alias
3215union { int x; } __attribute__((may_alias)) x;
3216EOF
3217
df5e3978
MR
3218check_cc <<EOF || die "endian test failed"
3219unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3220EOF
48fc536a 3221od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 3222
e939cedd
MR
3223if enabled alpha; then
3224
3225 check_cflags -mieee
3226
3227elif enabled arm; then
e45391bb 3228
66371c28 3229 check_cpp_condition stddef.h "defined __thumb__" && enable_weak thumb
8986fddc 3230 enabled thumb && check_cflags -mthumb || check_cflags -marm
301ab19d 3231 nogas=die
50fa82e6 3232
44caaa56
MR
3233 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3234 enable vfp_args
3235 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3236 case "${cross_prefix:-$cc}" in
3237 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3238 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
fa0912fe
MR
3239__asm__ (".eabi_attribute 28, 1");
3240int main(void) { return 0; }
3241EOF
44caaa56
MR
3242 esac
3243 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3244 fi
fa0912fe 3245
7f2b3dca
MR
3246 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
3247 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
3248 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
7f2b3dca 3249 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
b3267559 3250 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
7f2b3dca
MR
3251 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
3252
b57c1da8
MR
3253 [ $target_os = linux ] ||
3254 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
3255 $ARCH_EXT_LIST_ARM
e45391bb 3256
575db883
DB
3257 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3258 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
6308729e 3259
e276d9e8
MR
3260 enabled_all armv6t2 shared !pic && enable_pic
3261
fa0912fe 3262elif enabled mips; then
e45391bb 3263
575db883 3264 check_inline_asm loongson '"dmult.g $1, $2, $3"'
e45391bb 3265
5af530f5
MR
3266elif enabled parisc; then
3267
3268 if enabled gcc; then
3269 case $($cc -dumpversion) in
3270 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
3271 esac
3272 fi
3273
fa0912fe 3274elif enabled ppc; then
e45391bb 3275
e6a0c354
MR
3276 enable local_aligned_8 local_aligned_16
3277
575db883
DB
3278 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
3279 check_inline_asm ibm_asm '"add 0, 0, 0"'
3280 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
3281 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
3282
3283 # AltiVec flags: The FSF version of GCC differs from the Apple version
3284 if enabled altivec; then
301ab19d 3285 nogas=warn
fa0912fe
MR
3286 check_cflags -maltivec -mabi=altivec &&
3287 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3288 check_cflags -faltivec
3289
3290 # check if our compiler supports Motorola AltiVec C API
3291 check_cc <<EOF || disable altivec
3292$inc_altivec_h
3293int main(void) {
20bcce50
MR
3294 vector signed int v1 = (vector signed int) { 0 };
3295 vector signed int v2 = (vector signed int) { 1 };
3296 v1 = vec_add(v1, v2);
fa0912fe
MR
3297 return 0;
3298}
3299EOF
3300
20bcce50 3301 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
fa0912fe 3302 fi
e45391bb 3303
fa0912fe 3304elif enabled sparc; then
e45391bb 3305
6aa93689 3306 enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
e45391bb 3307
fa0912fe 3308elif enabled x86; then
e45391bb 3309
8e85ba8d
DB
3310 check_code ld intrin.h "__rdtsc()" && enable rdtsc
3311
f80ddd5b
RB
3312 check_code ld mmintrin.h "_mm_empty()" && enable mm_empty
3313
e6a0c354
MR
3314 enable local_aligned_8 local_aligned_16
3315
44965991
PI
3316 # check whether EBP is available on x86
3317 # As 'i' is stored on the stack, this program will crash
3318 # if the base pointer is used to access it because the
3319 # base pointer is cleared in the inline assembly code.
7dfef245 3320 check_exec_crash <<EOF && enable ebp_available
f69f51b3
DB
3321volatile int i=0;
3322__asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
3323return i;
44965991
PI
3324EOF
3325
f494213c 3326 # check whether EBX is available on x86
575db883
DB
3327 check_inline_asm ebx_available '""::"b"(0)' &&
3328 check_inline_asm ebx_available '"":::"%ebx"'
8e380710 3329
6f74fb03 3330 # check whether xmm clobbers are supported
575db883 3331 check_inline_asm xmm_clobbers '"":::"%xmm0"'
6f74fb03 3332
239fdf1b 3333 # check whether binutils is new enough to compile SSSE3/MMXEXT
43b73d59
DB
3334