mpeg: Split error resilience bits off into a separate file
[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]
f4ca970d 84 --docdir=DIR install documentation in DIR [PREFIX/share/doc/libav]
06454877
MR
85 --libdir=DIR install libs in DIR [PREFIX/lib]
86 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
87 --incdir=DIR install includes in DIR [PREFIX/include]
88 --mandir=DIR install man page in DIR [PREFIX/share/man]
89
3b327a4b 90Licensing options:
06454877
MR
91 --enable-gpl allow use of GPL code, the resulting libs
92 and binaries will be under GPL [no]
93 --enable-version3 upgrade (L)GPL to version 3 [no]
94 --enable-nonfree allow use of nonfree code, the resulting libs
95 and binaries will be unredistributable [no]
3b327a4b
DB
96
97Configuration options:
98 --disable-static do not build static libraries [no]
99 --enable-shared build shared libraries [no]
100 --enable-small optimize for size instead of speed
101 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
102 --enable-gray enable full grayscale support (slower color)
103 --disable-swscale-alpha disable alpha channel support in swscale
844c6852 104 --disable-all disable building components, libraries and programs
3b327a4b 105
e28b7553
DB
106Program options:
107 --disable-programs do not build command line programs
6291d7e4 108 --disable-avconv disable avconv build
266463da 109 --disable-avplay disable avplay build
9e12f0bf 110 --disable-avprobe disable avprobe build
894682a9 111 --disable-avserver deprecated, does nothing
e28b7553
DB
112
113Component options:
114 --disable-doc do not build documentation
5a0f7131
MR
115 --disable-avdevice disable libavdevice build
116 --disable-avcodec disable libavcodec build
117 --disable-avformat disable libavformat build
d89f2fa9 118 --disable-avutil disable libavutil build
5a0f7131 119 --disable-swscale disable libswscale build
cccc039f 120 --disable-avfilter disable video filter support [no]
c8af852b 121 --disable-avresample disable libavresample build [no]
0dbfc1db 122 --disable-pthreads disable pthreads [auto]
7b7b220c 123 --disable-w32threads disable Win32 threads [auto]
06454877 124 --disable-network disable network support [no]
7f3f5f46 125 --disable-dct disable DCT code
0b499c9b 126 --disable-error-resilience disable error resilience code
193cdd9a 127 --disable-lsp disable LSP code
2a91ada8 128 --disable-lzo disable LZO decoder code
06454877
MR
129 --disable-mdct disable MDCT code
130 --disable-rdft disable RDFT code
3b327a4b 131 --disable-fft disable FFT code
70b348ec
DB
132
133Hardware accelerators:
3b327a4b 134 --enable-dxva2 enable DXVA2 code
dcb73592 135 --enable-vaapi enable VAAPI code
ac3dbb4d 136 --enable-vda enable VDA code
e8f6bd4b 137 --enable-vdpau enable VDPAU code
3b327a4b
DB
138
139Individual component options:
bb55e3a3 140 --disable-everything disable all components listed below
06454877
MR
141 --disable-encoder=NAME disable encoder NAME
142 --enable-encoder=NAME enable encoder NAME
143 --disable-encoders disable all encoders
144 --disable-decoder=NAME disable decoder NAME
145 --enable-decoder=NAME enable decoder NAME
146 --disable-decoders disable all decoders
147 --disable-hwaccel=NAME disable hwaccel NAME
148 --enable-hwaccel=NAME enable hwaccel NAME
149 --disable-hwaccels disable all hwaccels
150 --disable-muxer=NAME disable muxer NAME
151 --enable-muxer=NAME enable muxer NAME
152 --disable-muxers disable all muxers
153 --disable-demuxer=NAME disable demuxer NAME
154 --enable-demuxer=NAME enable demuxer NAME
155 --disable-demuxers disable all demuxers
156 --enable-parser=NAME enable parser NAME
157 --disable-parser=NAME disable parser NAME
158 --disable-parsers disable all parsers
159 --enable-bsf=NAME enable bitstream filter NAME
160 --disable-bsf=NAME disable bitstream filter NAME
161 --disable-bsfs disable all bitstream filters
162 --enable-protocol=NAME enable protocol NAME
163 --disable-protocol=NAME disable protocol NAME
164 --disable-protocols disable all protocols
3b327a4b 165 --enable-indev=NAME enable input device NAME
06454877 166 --disable-indev=NAME disable input device NAME
06454877 167 --disable-indevs disable input devices
3b327a4b
DB
168 --enable-outdev=NAME enable output device NAME
169 --disable-outdev=NAME disable output device NAME
06454877
MR
170 --disable-outdevs disable output devices
171 --disable-devices disable all devices
172 --enable-filter=NAME enable filter NAME
173 --disable-filter=NAME disable filter NAME
174 --disable-filters disable all filters
06454877
MR
175
176External library support:
03039f4c 177 --enable-avisynth enable reading of AviSynth script files [no]
06454877 178 --enable-bzlib enable bzlib [autodetect]
47941088 179 --enable-frei0r enable frei0r video filtering
bc8c1395 180 --enable-gnutls enable gnutls [no]
1c0210c7 181 --enable-libbs2b enable bs2b DSP library [no]
e417d80d 182 --enable-libcdio enable audio CD grabbing with libcdio
06454877
MR
183 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
184 and libraw1394 [no]
c547e5ff 185 --enable-libfaac enable AAC encoding via libfaac [no]
4f2b469d 186 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
a5b64584 187 --enable-libfreetype enable libfreetype [no]
c547e5ff 188 --enable-libgsm enable GSM de/encoding via libgsm [no]
3641b048 189 --enable-libilbc enable iLBC de/encoding via libilbc [no]
06454877 190 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
becc3c62
MS
191 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
192 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
193 --enable-libopencv enable video filtering via libopencv [no]
453c02f9 194 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
7c5ca546 195 --enable-libopus enable Opus de/encoding via libopus [no]
7c922411 196 --enable-libpulse enable Pulseaudio input via libpulse [no]
0f943ce6 197 --enable-librtmp enable RTMP[E] support via librtmp [no]
c547e5ff
DB
198 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
199 --enable-libspeex enable Speex de/encoding via libspeex [no]
06454877 200 --enable-libtheora enable Theora encoding via libtheora [no]
718907cd 201 --enable-libtwolame enable MP2 encoding via libtwolame [no]
d89e738a 202 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
f502ff3f 203 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
c547e5ff 204 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
3f111804 205 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
84d3ff50 206 --enable-libwavpack enable wavpack encoding via libwavpack [no]
be7c3231 207 --enable-libwebp enable WebP encoding via libwebp [no]
06454877 208 --enable-libx264 enable H.264 encoding via x264 [no]
50ea9315 209 --enable-libx265 enable HEVC encoding via x265 [no]
de295976 210 --enable-libxavs enable AVS encoding via xavs [no]
06454877
MR
211 --enable-libxvid enable Xvid encoding via xvidcore,
212 native MPEG-4/Xvid encoder exists [no]
a060866f 213 --enable-openssl enable openssl [no]
45235ac4 214 --enable-x11grab enable X11 grabbing [no]
06454877
MR
215 --enable-zlib enable zlib [autodetect]
216
b3c6ee19
DB
217Toolchain options:
218 --arch=ARCH select architecture [$arch]
219 --cpu=CPU select the minimum required CPU (affects
220 instruction selection, may crash on older CPUs)
06454877
MR
221 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
222 --enable-cross-compile assume a cross-compiler is used
223 --sysroot=PATH root of cross-build tree
224 --sysinclude=PATH location of cross-build system headers
225 --target-os=OS compiler targets OS [$target_os]
226 --target-exec=CMD command to run executables on target
227 --target-path=DIR path to view of build directory on target
ba13606c 228 --target-samples=DIR path to samples directory on target
aeeb782c 229 --toolchain=NAME set tool defaults according to NAME
06454877 230 --nm=NM use nm tool
121d78d0 231 --ar=AR use archive tool AR [$ar_default]
06454877
MR
232 --as=AS use assembler AS [$as_default]
233 --cc=CC use C compiler CC [$cc_default]
193cdd9a 234 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
06454877 235 --ld=LD use linker LD
852c329a 236 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
390acbea 237 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
06454877
MR
238 --host-cc=HOSTCC use host C compiler HOSTCC
239 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
4cc4b33f 240 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
095792f2 241 --host-ld=HOSTLD use host linker HOSTLD
06454877
MR
242 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
243 --host-libs=HLIBS use libs HLIBS when linking for host
193cdd9a 244 --host-os=OS compiler host OS [$target_os]
06454877
MR
245 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
246 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
247 --extra-libs=ELIBS add ELIBS [$ELIBS]
248 --extra-version=STRING version string suffix []
193cdd9a 249 --optflags=OPTFLAGS override optimization-related compiler flags
06454877 250 --build-suffix=SUFFIX library name suffix []
3b327a4b 251 --enable-pic build position-independent code
193cdd9a 252 --enable-thumb compile for Thumb instruction set
b3c6ee19
DB
253 --enable-lto use link-time optimization
254
255Advanced options (experts only):
256 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
3b327a4b 257 --disable-symver disable symbol versioning
3b327a4b
DB
258 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
259 --disable-safe-bitstream-reader
260 disable buffer boundary checking in bitreaders
261 (faster, but may crash)
262 --enable-memalign-hack emulate memalign, interferes with memory debuggers
b3c6ee19 263 --enable-sram allow use of on-chip SRAM
3b327a4b
DB
264
265Optimization options (experts only):
463a7cde 266 --disable-asm disable all assembly optimizations
06454877
MR
267 --disable-altivec disable AltiVec optimizations
268 --disable-amd3dnow disable 3DNow! optimizations
269 --disable-amd3dnowext disable 3DNow! extended optimizations
270 --disable-mmx disable MMX optimizations
239fdf1b 271 --disable-mmxext disable MMXEXT optimizations
06454877 272 --disable-sse disable SSE optimizations
50cd43f2
DB
273 --disable-sse2 disable SSE2 optimizations
274 --disable-sse3 disable SSE3 optimizations
06454877 275 --disable-ssse3 disable SSSE3 optimizations
50cd43f2
DB
276 --disable-sse4 disable SSE4 optimizations
277 --disable-sse42 disable SSE4.2 optimizations
87f1355f 278 --disable-avx disable AVX optimizations
10b0161d 279 --disable-xop disable XOP optimizations
1b932eb1 280 --disable-fma3 disable FMA3 optimizations
79687079 281 --disable-fma4 disable FMA4 optimizations
4d6ee072 282 --disable-avx2 disable AVX2 optimizations
06454877
MR
283 --disable-armv5te disable armv5te optimizations
284 --disable-armv6 disable armv6 optimizations
285 --disable-armv6t2 disable armv6t2 optimizations
b3267559 286 --disable-vfp disable VFP optimizations
5ea20630 287 --disable-neon disable NEON optimizations
463a7cde
DB
288 --disable-inline-asm disable use of inline assembly
289 --disable-yasm disable use of nasm/yasm assembly
06454877 290
070c5d0f 291Developer options (useful when working on Libav itself):
06454877
MR
292 --disable-debug disable debugging symbols
293 --enable-debug=LEVEL set the debug level [$debuglevel]
06454877
MR
294 --disable-optimizations disable compiler optimizations
295 --enable-extra-warnings enable more compiler warnings
52b3cc60 296 --samples=PATH location of test samples for FATE, if not set use
9309bdfe 297 \$LIBAV_SAMPLES at make invocation time.
44a0a98f
MS
298 --enable-neon-clobber-test check NEON registers for clobbering (should be
299 used only for debugging purposes)
7e4d9d5d
RB
300 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
301 should be used only for debugging purposes)
154caa67
MR
302 --enable-random randomly enable/disable components
303 --disable-random
304 --enable-random=LIST randomly enable/disable specific components or
305 --disable-random=LIST component groups. LIST is a comma-separated list
306 of NAME[:PROB] entries where NAME is a component
307 (group) and PROB the probability associated with
308 NAME (default 0.5).
309 --random-seed=VALUE seed value for --enable/disable-random
06454877
MR
310
311NOTE: Object files are built at the place where configure is launched.
312EOF
60e8bc13 313 exit 0
74c53c2d 314}
cf9d24ad 315
0884fadf
MR
316quotes='""'
317
57bd82d4 318log(){
2270b4b2 319 echo "$@" >> $logfile
57bd82d4
MR
320}
321
720c69da 322log_file(){
c8e9f801 323 log BEGIN $1
2270b4b2 324 pr -n -t $1 >> $logfile
c8e9f801
MR
325 log END $1
326}
327
2ba042a7 328echolog(){
c8e9f801 329 log "$@"
57bd82d4 330 echo "$@"
2ba042a7
MR
331}
332
7bfc8ae6
MR
333warn(){
334 log "WARNING: $*"
335 WARNINGS="${WARNINGS}WARNING: $*\n"
336}
337
2ba042a7
MR
338die(){
339 echolog "$@"
340 cat <<EOF
d326cf7f 341
2ba042a7 342If you think configure made a mistake, make sure you are using the latest
4a6a21f5 343version from Git. If the latest version fails, report the problem to the
5045f6bd 344libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
2ba042a7 345EOF
e155a21a 346 if disabled logging; then
2ba042a7 347 cat <<EOF
e155a21a
DB
348Rerun configure with logging enabled (do not use --disable-logging), and
349include the log this produces with your report.
2ba042a7
MR
350EOF
351 else
f69f51b3 352 cat <<EOF
e155a21a
DB
353Include the log file "$logfile" produced by configure as this will help
354solving the problem.
2ba042a7
MR
355EOF
356 fi
57bd82d4
MR
357 exit 1
358}
359
6c6007d6 360# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 361toupper(){
6c6007d6 362 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
44161118
MR
363}
364
4a5444db 365tolower(){
6c6007d6 366 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
4a5444db
MR
367}
368
14a8acf1
MR
369c_escape(){
370 echo "$*" | sed 's/["\\]/\\\0/g'
371}
372
b04251c5
MR
373sh_quote(){
374 v=$(echo "$1" | sed "s/'/'\\\\''/g")
d72c981c 375 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
b04251c5
MR
376 echo "$v"
377}
378
bb7a22b5
MR
379cleanws(){
380 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
381}
382
be8f2501
MR
383filter(){
384 pat=$1
385 shift
386 for v; do
98ef6079 387 eval "case $v in $pat) echo $v ;; esac"
be8f2501
MR
388 done
389}
390
9d201b26
MR
391filter_out(){
392 pat=$1
393 shift
394 for v; do
395 eval "case $v in $pat) ;; *) echo $v ;; esac"
396 done
397}
398
36e2dea0
MR
399map(){
400 m=$1
401 shift
e0e335a0 402 for v; do eval $m; done
36e2dea0
MR
403}
404
43b73d59
DB
405add_suffix(){
406 suffix=$1
407 shift
408 for v; do echo ${v}${suffix}; done
409}
410
a8d04fba
MR
411set_all(){
412 value=$1
413 shift
414 for var in $*; do
415 eval $var=$value
416 done
417}
418
72a43668
MR
419set_weak(){
420 value=$1
421 shift
422 for var; do
423 eval : \${$var:=$value}
424 done
425}
426
f868b24d
DB
427sanitize_var_name(){
428 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
429}
430
3f8040db
MR
431set_safe(){
432 var=$1
433 shift
f868b24d 434 eval $(sanitize_var_name "$var")='$*'
3f8040db
MR
435}
436
437get_safe(){
f868b24d 438 eval echo \$$(sanitize_var_name "$1")
3f8040db
MR
439}
440
799c9e9b 441pushvar(){
4d810ad2
MS
442 for pvar in $*; do
443 eval level=\${${pvar}_level:=0}
444 eval ${pvar}_${level}="\$$pvar"
445 eval ${pvar}_level=$(($level+1))
799c9e9b
MR
446 done
447}
448
449popvar(){
4d810ad2
MS
450 for pvar in $*; do
451 eval level=\${${pvar}_level:-0}
799c9e9b
MR
452 test $level = 0 && continue
453 eval level=$(($level-1))
4d810ad2
MS
454 eval $pvar="\${${pvar}_${level}}"
455 eval ${pvar}_level=$level
456 eval unset ${pvar}_${level}
799c9e9b
MR
457 done
458}
459
a8d04fba
MR
460enable(){
461 set_all yes $*
462}
463
464disable(){
465 set_all no $*
466}
467
72a43668
MR
468enable_weak(){
469 set_weak yes $*
470}
471
472disable_weak(){
473 set_weak no $*
474}
475
72702705 476enable_safe(){
fd07f803
MR
477 for var; do
478 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
479 done
72702705
MR
480}
481
482disable_safe(){
fd07f803
MR
483 for var; do
484 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
485 done
72702705
MR
486}
487
f9d328da
MR
488do_enable_deep(){
489 for var; do
490 enabled $var && continue
491 eval sel="\$${var}_select"
c510c7b5
MR
492 eval sgs="\$${var}_suggest"
493 pushvar var sgs
f9d328da 494 enable_deep $sel
c510c7b5
MR
495 popvar sgs
496 enable_deep_weak $sgs
f9d328da
MR
497 popvar var
498 done
499}
500
501enable_deep(){
502 do_enable_deep $*
503 enable $*
504}
505
72a43668 506enable_deep_weak(){
ffb068ce
MS
507 for var; do
508 disabled $var && continue
509 pushvar var
510 do_enable_deep $var
511 popvar var
512 enable_weak $var
513 done
72a43668
MR
514}
515
57bd82d4 516enabled(){
3250003c
MR
517 test "${1#!}" = "$1" && op== || op=!=
518 eval test "x\$${1#!}" $op "xyes"
44161118
MR
519}
520
37970ebf 521disabled(){
3250003c
MR
522 test "${1#!}" = "$1" && op== || op=!=
523 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
524}
525
44161118
MR
526enabled_all(){
527 for opt; do
528 enabled $opt || return 1
529 done
530}
531
85bca2c5
DB
532disabled_all(){
533 for opt; do
534 disabled $opt || return 1
535 done
536}
537
44161118
MR
538enabled_any(){
539 for opt; do
540 enabled $opt && return 0
541 done
542}
543
85bca2c5
DB
544disabled_any(){
545 for opt; do
546 disabled $opt && return 0
547 done
f7b230a7 548 return 1
85bca2c5
DB
549}
550
c9d19248
MR
551set_default(){
552 for opt; do
88268e94 553 eval : \${$opt:=\$${opt}_default}
c9d19248
MR
554 done
555}
556
4a0d6686
AJ
557is_in(){
558 value=$1
559 shift
560 for var in $*; do
561 [ $var = $value ] && return 0
562 done
563 return 1
564}
565
d4f8cecc 566do_check_deps(){
30fd06be 567 for cfg; do
3250003c 568 cfg="${cfg#!}"
799c9e9b
MR
569 enabled ${cfg}_checking && die "Circular dependency for $cfg."
570 disabled ${cfg}_checking && continue
571 enable ${cfg}_checking
d4f8cecc 572 append allopts $cfg
799c9e9b 573
30fd06be
MR
574 eval dep_all="\$${cfg}_deps"
575 eval dep_any="\$${cfg}_deps_any"
7ef3425f 576 eval dep_sel="\$${cfg}_select"
c510c7b5 577 eval dep_sgs="\$${cfg}_suggest"
3d7453e0
MR
578 eval dep_ifa="\$${cfg}_if"
579 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 580
3d7453e0 581 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
d4f8cecc 582 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
3d7453e0 583 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 584
3d7453e0
MR
585 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
586 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
6a702d4c
MR
587 enabled_all $dep_all || disable $cfg
588 enabled_any $dep_any || disable $cfg
7ef3425f 589 disabled_any $dep_sel && disable $cfg
799c9e9b 590
4ec45764 591 if enabled $cfg; then
f9d328da 592 enable_deep $dep_sel
c510c7b5 593 enable_deep_weak $dep_sgs
4ec45764
RP
594 fi
595
799c9e9b 596 disable ${cfg}_checking
30fd06be
MR
597 done
598}
599
d4f8cecc
MR
600check_deps(){
601 unset allopts
602
603 do_check_deps "$@"
604
605 for cfg in $allopts; do
606 enabled $cfg || continue
607 eval dep_extralibs="\$${cfg}_extralibs"
608 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
609 done
610}
611
44161118
MR
612print_config(){
613 pfx=$1
72cfcf41
MR
614 files=$2
615 shift 2
f454e879
MR
616 map 'eval echo "$v \${$v:-no}"' "$@" |
617 awk "BEGIN { split(\"$files\", files) }
618 {
619 c = \"$pfx\" toupper(\$1);
620 v = \$2;
621 sub(/yes/, 1, v);
622 sub(/no/, 0, v);
623 for (f in files) {
624 file = files[f];
625 if (file ~ /\\.h\$/) {
626 printf(\"#define %s %d\\n\", c, v) >>file;
627 } else if (file ~ /\\.asm\$/) {
628 printf(\"%%define %s %d\\n\", c, v) >>file;
629 } else if (file ~ /\\.mak\$/) {
d16c4aeb 630 n = -v ? \"\" : \"!\";
f454e879
MR
631 printf(\"%s%s=yes\\n\", n, c) >>file;
632 }
633 }
634 }"
57bd82d4
MR
635}
636
31c0121d 637print_enabled(){
31c0121d
MR
638 suf=$1
639 shift
640 for v; do
9eda2a85 641 enabled $v && printf "%s\n" ${v%$suf};
31c0121d
MR
642 done
643}
644
57bd82d4
MR
645append(){
646 var=$1
647 shift
57bd82d4
MR
648 eval "$var=\"\$$var $*\""
649}
650
60361817
MR
651prepend(){
652 var=$1
653 shift
654 eval "$var=\"$* \$$var\""
655}
656
44951174
JG
657unique(){
658 var=$1
659 uniq_list=""
660 for tok in $(eval echo \$$var); do
661 uniq_list="$(filter_out $tok $uniq_list) $tok"
662 done
663 eval "$var=\"${uniq_list}\""
664}
665
50a334e4 666add_cppflags(){
cd52ec95 667 append CPPFLAGS "$@"
50a334e4
MR
668}
669
57bd82d4 670add_cflags(){
01d31e16 671 append CFLAGS $($cflags_filter "$@")
57bd82d4
MR
672}
673
2f2e6c7c 674add_asflags(){
01d31e16 675 append ASFLAGS $($asflags_filter "$@")
2f2e6c7c
MR
676}
677
57bd82d4 678add_ldflags(){
64933b6c 679 append LDFLAGS $($ldflags_filter "$@")
57bd82d4
MR
680}
681
0673ede9
VG
682add_stripflags(){
683 append STRIPFLAGS "$@"
684}
685
57bd82d4 686add_extralibs(){
64933b6c 687 prepend extralibs $($ldflags_filter "$@")
57bd82d4
MR
688}
689
4cc4b33f
DB
690add_host_cppflags(){
691 append host_cppflags "$@"
692}
693
6c3fa06a
MR
694add_host_cflags(){
695 append host_cflags $($host_cflags_filter "$@")
696}
697
698add_host_ldflags(){
699 append host_ldflags $($host_ldflags_filter "$@")
700}
701
84e65c76
MR
702add_compat(){
703 append compat_objs $1
704 shift
705 map 'add_cppflags -D$v' "$@"
706}
707
b0cfb663 708check_cmd(){
b3cb5d51 709 log "$@"
2270b4b2 710 "$@" >> $logfile 2>&1
b0cfb663
MR
711}
712
b2704a65
MR
713cc_o(){
714 eval printf '%s\\n' $CC_O
715}
716
18031c49
MR
717cc_e(){
718 eval printf '%s\\n' $CC_E
719}
720
dcd479c0 721check_cc(){
57bd82d4 722 log check_cc "$@"
2270b4b2 723 cat > $TMPC
720c69da 724 log_file $TMPC
23565c26 725 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
57bd82d4
MR
726}
727
728check_cpp(){
729 log check_cpp "$@"
2270b4b2 730 cat > $TMPC
720c69da 731 log_file $TMPC
18031c49 732 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
dcd479c0
MR
733}
734
df0d6341
MR
735as_o(){
736 eval printf '%s\\n' $AS_O
737}
738
f65883c8
MR
739check_as(){
740 log check_as "$@"
7fd90119
MR
741 cat > $TMPS
742 log_file $TMPS
743 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
f65883c8
MR
744}
745
575db883
DB
746check_inline_asm(){
747 log check_inline_asm "$@"
940f335a 748 name="$1"
3784e82e 749 code="$2"
940f335a 750 shift 2
49214f61 751 disable $name
7fd90119 752 check_cc "$@" <<EOF && enable $name
3784e82e 753void foo(void){ __asm__ volatile($code); }
940f335a
MR
754EOF
755}
756
c6ebc9fa
MR
757check_insn(){
758 log check_insn "$@"
759 check_inline_asm ${1}_inline "\"$2\""
760 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
761}
762
304d586d
LM
763check_yasm(){
764 log check_yasm "$@"
765 echo "$1" > $TMPS
766 log_file $TMPS
767 shift 1
768 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
769}
770
29b64b68
MR
771ld_o(){
772 eval printf '%s\\n' $LD_O
773}
774
dcd479c0 775check_ld(){
57bd82d4 776 log check_ld "$@"
66a1ccd7
MR
777 flags=$(filter_out '-l*' "$@")
778 libs=$(filter '-l*' "$@")
01d31e16 779 check_cc $($cflags_filter $flags) || return
64933b6c
MR
780 flags=$($ldflags_filter $flags)
781 libs=$($ldflags_filter $libs)
29b64b68 782 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
dcd479c0
MR
783}
784
52ccc4a0
DB
785print_include(){
786 hdr=$1
787 test "${hdr%.h}" = "${hdr}" &&
788 echo "#include $hdr" ||
789 echo "#include <$hdr>"
790}
791
5adc829e
MR
792check_code(){
793 log check_code "$@"
794 check=$1
795 headers=$2
796 code=$3
797 shift 3
798 {
799 for hdr in $headers; do
52ccc4a0 800 print_include $hdr
5adc829e
MR
801 done
802 echo "int main(void) { $code; return 0; }"
803 } | check_$check "$@"
804}
805
50a334e4
MR
806check_cppflags(){
807 log check_cppflags "$@"
caf458dd 808 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
809int x;
810EOF
811}
812
23157d72
DB
813test_cflags(){
814 log test_cflags "$@"
01d31e16 815 set -- $($cflags_filter "$@")
23157d72 816 check_cc "$@" <<EOF
dcd479c0
MR
817int x;
818EOF
819}
820
23157d72
DB
821check_cflags(){
822 log check_cflags "$@"
823 test_cflags "$@" && add_cflags "$@"
824}
825
2ed46eea
MR
826test_ldflags(){
827 log test_ldflags "$@"
828 check_ld "$@" <<EOF
c23a0ac8 829int main(void){ return 0; }
dcd479c0
MR
830EOF
831}
832
2ed46eea
MR
833check_ldflags(){
834 log check_ldflags "$@"
835 test_ldflags "$@" && add_ldflags "$@"
836}
837
0673ede9
VG
838test_stripflags(){
839 log test_stripflags "$@"
840 # call check_cc to get a fresh TMPO
841 check_cc <<EOF
842int main(void) { return 0; }
843EOF
844 check_cmd $strip $STRIPFLAGS "$@" $TMPO
845}
846
847check_stripflags(){
848 log check_stripflags "$@"
849 test_stripflags "$@" && add_stripflags "$@"
850}
851
dcd479c0 852check_header(){
57bd82d4 853 log check_header "$@"
dcd479c0
MR
854 header=$1
855 shift
b77df637
MR
856 disable_safe $header
857 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
858#include <$header>
859int x;
860EOF
861}
862
863check_func(){
57bd82d4 864 log check_func "$@"
dcd479c0
MR
865 func=$1
866 shift
d8bc5f06
MR
867 disable $func
868 check_ld "$@" <<EOF && enable $func
dcd479c0 869extern int $func();
c23a0ac8 870int main(void){ $func(); }
dcd479c0
MR
871EOF
872}
873
645d2652 874check_mathfunc(){
6b73c0ae 875 log check_mathfunc "$@"
645d2652 876 func=$1
1aa07aa2
MR
877 narg=$2
878 shift 2
879 test $narg = 2 && args="f, g" || args="f"
645d2652
MR
880 disable $func
881 check_ld "$@" <<EOF && enable $func
882#include <math.h>
1aa07aa2 883float foo(float f, float g) { return $func($args); }
33bd38db 884int main(void){ return 0; }
645d2652
MR
885EOF
886}
887
2446d3d6
DB
888check_func_headers(){
889 log check_func_headers "$@"
f8d7b072 890 headers=$1
edaf1ae2 891 funcs=$2
f8d7b072 892 shift 2
edaf1ae2
MR
893 {
894 for hdr in $headers; do
52ccc4a0 895 print_include $hdr
edaf1ae2
MR
896 done
897 for func in $funcs; do
898 echo "long check_$func(void) { return (long) $func; }"
899 done
900 echo "int main(void) { return 0; }"
901 } | check_ld "$@" && enable $funcs && enable_safe $headers
f8d7b072
MR
902}
903
a5344cf7
SS
904check_cpp_condition(){
905 log check_cpp_condition "$@"
906 header=$1
907 condition=$2
f855b7b9 908 shift 2
cd52ec95 909 check_cpp "$@" <<EOF
a5344cf7
SS
910#include <$header>
911#if !($condition)
912#error "unsatisfied condition: $condition"
913#endif
914EOF
915}
916
57bd82d4
MR
917check_lib(){
918 log check_lib "$@"
919 header="$1"
920 func="$2"
921 shift 2
84400e9d 922 check_header $header && check_func $func "$@" && add_extralibs "$@"
57bd82d4
MR
923}
924
f8d7b072
MR
925check_lib2(){
926 log check_lib2 "$@"
927 headers="$1"
edaf1ae2 928 funcs="$2"
f8d7b072 929 shift 2
edaf1ae2 930 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
f8d7b072
MR
931}
932
3f8040db
MR
933check_pkg_config(){
934 log check_pkg_config "$@"
935 pkg="$1"
936 headers="$2"
937 funcs="$3"
938 shift 3
7f9e893f 939 check_cmd $pkg_config --exists --print-errors $pkg || return
390acbea
LB
940 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
941 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
3f8040db
MR
942 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
943 set_safe ${pkg}_cflags $pkg_cflags &&
944 set_safe ${pkg}_libs $pkg_libs
945}
946
dcd479c0 947check_exec(){
2270b4b2 948 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
949}
950
7dfef245 951check_exec_crash(){
5e622c40 952 code=$(cat)
7dfef245
MR
953
954 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
955 # are safe but may not be available everywhere. Thus we use
956 # raise(SIGTERM) instead. The check is run in a subshell so we
957 # can redirect the "Terminated" message from the shell. SIGBUS
958 # is not defined by standard C so it is used conditionally.
959
2270b4b2 960 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
961#include <signal.h>
962static void sighandler(int sig){
963 raise(SIGTERM);
964}
692dd8ed
MR
965int foo(void){
966 $code
967}
9495cd17 968int (*func_ptr)(void) = foo;
e5af4a11 969int main(void){
7dfef245
MR
970 signal(SIGILL, sighandler);
971 signal(SIGFPE, sighandler);
972 signal(SIGSEGV, sighandler);
973#ifdef SIGBUS
974 signal(SIGBUS, sighandler);
975#endif
9495cd17 976 return func_ptr();
7dfef245
MR
977}
978EOF
979}
980
72be9e73
DY
981check_type(){
982 log check_type "$@"
983 headers=$1
984 type=$2
985 shift 2
ae550ce9 986 disable_safe "$type"
5adc829e 987 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
72be9e73
DY
988}
989
14d36751 990check_struct(){
813b82b9 991 log check_struct "$@"
14d36751
MR
992 headers=$1
993 struct=$2
994 member=$3
995 shift 3
996 disable_safe "${struct}_${member}"
5adc829e
MR
997 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
998 enable_safe "${struct}_${member}"
14d36751
MR
999}
1000
9c7d85b3
DB
1001check_builtin(){
1002 log check_builtin "$@"
1003 name=$1
1004 headers=$2
1005 builtin=$3
1006 shift 3
1007 disable "$name"
1008 check_code ld "$headers" "$builtin" "$@" && enable "$name"
1009}
1010
e854b8f9
AK
1011check_compile_assert(){
1012 log check_compile_assert "$@"
1013 name=$1
1014 headers=$2
1015 condition=$3
1016 shift 3
1017 disable "$name"
1018 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1019}
1020
57bd82d4
MR
1021require(){
1022 name="$1"
1023 header="$2"
1024 func="$3"
1025 shift 3
1026 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
1027}
1028
f8d7b072
MR
1029require2(){
1030 name="$1"
1031 headers="$2"
1032 func="$3"
1033 shift 3
1034 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1035}
1036
3f8040db
MR
1037require_pkg_config(){
1038 pkg="$1"
1039 check_pkg_config "$@" || die "ERROR: $pkg not found"
1040 add_cflags $(get_safe ${pkg}_cflags)
1041 add_extralibs $(get_safe ${pkg}_libs)
1042}
1043
27565164
DB
1044hostcc_e(){
1045 eval printf '%s\\n' $HOSTCC_E
1046}
1047
ae43c4c0
MR
1048hostcc_o(){
1049 eval printf '%s\\n' $HOSTCC_O
1050}
1051
f0125de9
MR
1052check_host_cc(){
1053 log check_host_cc "$@"
1054 cat > $TMPC
1055 log_file $TMPC
ae43c4c0 1056 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
f0125de9
MR
1057}
1058
27565164
DB
1059check_host_cpp(){
1060 log check_host_cpp "$@"
1061 cat > $TMPC
1062 log_file $TMPC
1063 check_cmd $host_cc $HOSTCPPFLAGS $HOSTCFLAGS "$@" $(hostcc_e $TMPO) $TMPC
1064}
1065
4cc4b33f
DB
1066check_host_cppflags(){
1067 log check_host_cppflags "$@"
1068 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1069int x;
1070EOF
1071}
1072
f0125de9
MR
1073check_host_cflags(){
1074 log check_host_cflags "$@"
6c3fa06a 1075 set -- $($host_cflags_filter "$@")
f0125de9
MR
1076 check_host_cc "$@" <<EOF && append host_cflags "$@"
1077int x;
1078EOF
1079}
1080
27565164
DB
1081check_host_cpp_condition(){
1082 log check_host_cpp_condition "$@"
1083 header=$1
1084 condition=$2
1085 shift 2
1086 check_host_cpp "$@" <<EOF
1087#include <$header>
1088#if !($condition)
1089#error "unsatisfied condition: $condition"
1090#endif
1091EOF
1092}
1093
c505dd31
MR
1094apply(){
1095 file=$1
1096 shift
1097 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1098}
1099
c34681df 1100cp_if_changed(){
5e27ec28
MR
1101 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1102 mkdir -p "$(dirname $2)"
4ebc6a74 1103 $cp_f "$1" "$2"
c34681df
MR
1104}
1105
dcd61286
DB
1106# CONFIG_LIST contains configurable options, while HAVE_LIST is for
1107# system-dependent things.
1108
4a0d6686
AJ
1109COMPONENT_LIST="
1110 bsfs
1111 decoders
1112 demuxers
1113 encoders
3cde40aa 1114 filters
5666fd73 1115 hwaccels
c552605c 1116 indevs
4a0d6686 1117 muxers
c552605c 1118 outdevs
4a0d6686
AJ
1119 parsers
1120 protocols
1121"
1122
ab81f24a 1123EXAMPLE_LIST="
b339182e 1124 avcodec_example
e7dfaf16 1125 filter_audio_example
b339182e 1126 metadata_example
ab81f24a 1127 output_example
10421bcf 1128 transcode_aac_example
ab81f24a
DB
1129"
1130
3fc09b00
MR
1131EXTERNAL_LIBRARY_LIST="
1132 avisynth
1133 bzlib
1134 frei0r
1135 gnutls
1c0210c7 1136 libbs2b
3fc09b00
MR
1137 libcdio
1138 libdc1394
1139 libfaac
1140 libfdk_aac
f1b239ec 1141 libfontconfig
3fc09b00
MR
1142 libfreetype
1143 libgsm
1144 libilbc
1145 libmp3lame
1146 libopencore_amrnb
1147 libopencore_amrwb
1148 libopencv
1149 libopenjpeg
1150 libopus
1151 libpulse
1152 librtmp
1153 libschroedinger
1154 libspeex
1155 libtheora
718907cd 1156 libtwolame
3fc09b00
MR
1157 libvo_aacenc
1158 libvo_amrwbenc
1159 libvorbis
1160 libvpx
84d3ff50 1161 libwavpack
be7c3231 1162 libwebp
3fc09b00 1163 libx264
50ea9315 1164 libx265
3fc09b00
MR
1165 libxavs
1166 libxvid
1167 openssl
1168 x11grab
1169 zlib
1170"
1171
d0adf55c
DB
1172FEATURE_LIST="
1173 gray
1174 hardcoded_tables
1175 runtime_cpudetect
1176 safe_bitstream_reader
1177 shared
1178 small
1179 sram
1180 static
1181 swscale_alpha
1182"
1183
70b348ec
DB
1184HWACCEL_LIST="
1185 dxva2
1186 vaapi
1187 vda
1188 vdpau
1189"
7caf48e0 1190
d89f2fa9
DB
1191LIBRARY_LIST="
1192 avcodec
1193 avdevice
1194 avfilter
1195 avformat
1196 avresample
1197 avutil
1198 swscale
1199"
1200
d0adf55c
DB
1201LICENSE_LIST="
1202 gpl
1203 nonfree
1204 version3
1205"
1206
055c61b8
DB
1207PROGRAM_LIST="
1208 avconv
1209 avplay
1210 avprobe
055c61b8
DB
1211"
1212
d0adf55c 1213SUBSYSTEM_LIST="
7f3f5f46 1214 dct
4da3f410 1215 doc
0b499c9b 1216 error_resilience
1848f7d9 1217 fft
b781cc12 1218 lsp
2a91ada8 1219 lzo
47a158cb 1220 mdct
d0adf55c
DB
1221 network
1222 rdft
1223"
1224
1225CONFIG_LIST="
1226 $COMPONENT_LIST
1227 $EXAMPLE_LIST
1228 $EXTERNAL_LIBRARY_LIST
1229 $FEATURE_LIST
1230 $HWACCEL_LIST
1231 $LICENSE_LIST
1232 $LIBRARY_LIST
1233 $PROGRAM_LIST
1234 $SUBSYSTEM_LIST
c88f5d72 1235 memalign_hack
44a0a98f 1236 neon_clobber_test
8a3c8627 1237 pic
7caf48e0 1238 pod2man
f187557a 1239 texi2html
8986fddc 1240 thumb
7e4d9d5d 1241 xmm_clobber_test
4a0d6686 1242"
c88f5d72 1243
7caf48e0 1244THREADS_LIST="
8eee7025
DB
1245 pthreads
1246 w32threads
7caf48e0 1247"
8eee7025 1248
7caf48e0 1249ATOMICS_LIST="
f9f6402e 1250 atomics_gcc
f9f6402e 1251 atomics_suncc
93e65e9a 1252 atomics_win32
7caf48e0 1253"
f9f6402e 1254
7caf48e0 1255ARCH_LIST="
5873b623 1256 aarch64
3f5b56e5 1257 alpha
a2fc0f6a 1258 arm
fdcd782d
MR
1259 avr32
1260 avr32_ap
1261 avr32_uc
3f5b56e5
MR
1262 bfin
1263 ia64
1264 m68k
1265 mips
bae3abb0 1266 mips64
3f5b56e5 1267 parisc
79cb09b2 1268 ppc
34d11b87 1269 ppc64
3f5b56e5
MR
1270 s390
1271 sh4
1272 sparc
1273 sparc64
c75848cd
DB
1274 tilegx
1275 tilepro
0844bae1 1276 tomi
3f5b56e5
MR
1277 x86
1278 x86_32
1279 x86_64
7caf48e0 1280"
3f5b56e5 1281
7caf48e0 1282ARCH_EXT_LIST_ARM="
81dfa21e
MR
1283 armv5te
1284 armv6
1285 armv6t2
8675bcb0 1286 armv8
81dfa21e 1287 neon
b3267559 1288 vfp
81dfa21e 1289 vfpv3
7caf48e0 1290"
81dfa21e 1291
7caf48e0 1292ARCH_EXT_LIST_X86_SIMD="
3bf96eec 1293 amd3dnow
a1ef9f08 1294 amd3dnowext
50cd43f2 1295 avx
4d6ee072 1296 avx2
1b932eb1 1297 fma3
50cd43f2
DB
1298 fma4
1299 mmx
1300 mmxext
1301 sse
1302 sse2
1303 sse3
1304 sse4
1305 sse42
1306 ssse3
7caf48e0
DB
1307 xop
1308"
50cd43f2 1309
7a650caf
DB
1310ARCH_EXT_LIST_PPC="
1311 altivec
1312 dcbzl
1313 ldbrx
1314 ppc4xx
1315"
1316
84bf8817
DB
1317ARCH_EXT_LIST_X86="
1318 $ARCH_EXT_LIST_X86_SIMD
1319 cpunop
1320 i686
1321"
1322
50cd43f2 1323ARCH_EXT_LIST="
81dfa21e 1324 $ARCH_EXT_LIST_ARM
7a650caf 1325 $ARCH_EXT_LIST_PPC
50cd43f2 1326 $ARCH_EXT_LIST_X86
7a650caf
DB
1327 loongson
1328 vis
50cd43f2 1329"
3f5b56e5 1330
7a650caf
DB
1331ARCH_FEATURES="
1332 aligned_stack
1333 fast_64bit
1334 fast_clz
1335 fast_cmov
1336 local_aligned_8
1337 local_aligned_16
1338"
1339
1340BUILTIN_LIST="
1341 atomic_cas_ptr
1342 machine_rw_barrier
1343 MemoryBarrier
1344 mm_empty
1345 rdtsc
1346 sync_val_compare_and_swap
1347"
7caf48e0 1348HAVE_LIST_CMDLINE="
fd712a55
DB
1349 inline_asm
1350 symver
1351 yasm
7caf48e0 1352"
fd712a55 1353
7caf48e0 1354HAVE_LIST_PUB="
a3e02a8c 1355 bigendian
d268eee9 1356 fast_unaligned
7caf48e0 1357"
a3e02a8c 1358
7a650caf
DB
1359HEADERS_LIST="
1360 alsa_asoundlib_h
1361 altivec_h
1362 arpa_inet_h
1363 cdio_paranoia_h
1364 cdio_paranoia_paranoia_h
1365 dev_bktr_ioctl_bt848_h
1366 dev_bktr_ioctl_meteor_h
1367 dev_ic_bt8xx_h
1368 dev_video_bktr_ioctl_bt848_h
1369 dev_video_meteor_ioctl_meteor_h
1370 direct_h
1371 dlfcn_h
1372 dxva_h
1373 gsm_h
1374 io_h
1375 mach_mach_time_h
1376 machine_ioctl_bt848_h
1377 machine_ioctl_meteor_h
1378 malloc_h
1379 poll_h
1380 sndio_h
1381 soundcard_h
1382 sys_mman_h
1383 sys_param_h
1384 sys_resource_h
1385 sys_select_h
1386 sys_soundcard_h
1387 sys_time_h
1388 sys_un_h
1389 sys_videoio_h
1390 unistd_h
1391 windows_h
1392 winsock2_h
1393"
1394
79042ab3 1395MATH_FUNCS="
fab0a8b2
MR
1396 atanf
1397 atan2f
79042ab3 1398 cbrtf
fab0a8b2 1399 cosf
79042ab3
DB
1400 exp2
1401 exp2f
fab0a8b2 1402 expf
79042ab3
DB
1403 isinf
1404 isnan
fab0a8b2 1405 ldexpf
79042ab3
DB
1406 llrint
1407 llrintf
1408 log2
1409 log2f
fab0a8b2 1410 log10f
79042ab3
DB
1411 lrint
1412 lrintf
fab0a8b2 1413 powf
79042ab3
DB
1414 rint
1415 round
1416 roundf
fab0a8b2 1417 sinf
79042ab3
DB
1418 trunc
1419 truncf
1420"
1421
7a650caf 1422SYSTEM_FUNCS="
be1a839c 1423 aligned_malloc
ecf97f22 1424 closesocket
15caccb9 1425 CommandLineToArgvW
a61c2115 1426 CoTaskMemFree
1093383d 1427 CryptGenRandom
c88f5d72 1428 dlopen
534a2231 1429 fcntl
e854b8f9 1430 flt_lim
9d99cc5a 1431 fork
84882df6 1432 getaddrinfo
da9e86f8 1433 gethrtime
667fb97a 1434 getopt
02e8f427 1435 GetProcessAffinityMask
fc5607f8 1436 GetProcessMemoryInfo
4e68cb8a 1437 GetProcessTimes
66be5b45 1438 getrusage
c3e73100 1439 getservbyport
7caf48e0 1440 GetSystemTimeAsFileTime
61183b5a 1441 gettimeofday
2e1913b1 1442 inet_aton
abfc8d05 1443 isatty
8772997d 1444 jack_port_get_latency_range
a5b64584 1445 localtime_r
c708b540 1446 mach_absolute_time
73f6d31e 1447 MapViewOfFile
c88f5d72 1448 memalign
6ffa87d3 1449 mkstemp
0328b9ea 1450 mmap
e98b02de 1451 mprotect
d3d3a32c 1452 nanosleep
1f91cdce 1453 posix_memalign
ea4d5f48 1454 sched_getaffinity
7e6a11bc 1455 SetConsoleTextAttribute
b507ebd1 1456 setmode
3e0b1c9a 1457 setrlimit
d3d3a32c 1458 Sleep
87958234 1459 strerror_r
6379900c 1460 strptime
7a650caf
DB
1461 sysconf
1462 sysctl
1463 usleep
1464 VirtualAlloc
1465"
1466
1467TOOLCHAIN_FEATURES="
896a5bff 1468 as_dn_directive
d5a55981 1469 as_func
7a650caf
DB
1470 asm_mod_q
1471 attribute_may_alias
1472 attribute_packed
1473 ebp_available
1474 ebx_available
1475 gnu_as
1476 ibm_asm
1477 inline_asm_labels
1478 pragma_deprecated
1479 symver_asm_label
1480 symver_gnu_asm
1481 vfp_args
1482 xform_asm
1483 xmm_clobbers
1484"
1485
1486TYPES_LIST="
1487 socklen_t
c0018613 1488 struct_addrinfo
75d339e0
MS
1489 struct_group_source_req
1490 struct_ip_mreq_source
b4d68544 1491 struct_ipv6_mreq
cdee08e3 1492 struct_pollfd
3e0b1c9a 1493 struct_rusage_ru_maxrss
b4d68544 1494 struct_sockaddr_in6
3b2372bf 1495 struct_sockaddr_sa_len
33a4dbdd 1496 struct_sockaddr_storage
a6a4793d 1497 struct_v4l2_frmivalenum_discrete
7a650caf
DB
1498"
1499
1500HAVE_LIST="
1501 $ARCH_EXT_LIST
1502 $(add_suffix _external $ARCH_EXT_LIST)
1503 $(add_suffix _inline $ARCH_EXT_LIST)
1504 $ARCH_FEATURES
1505 $ATOMICS_LIST
1506 $BUILTIN_LIST
1507 $HAVE_LIST_CMDLINE
1508 $HAVE_LIST_PUB
1509 $HEADERS_LIST
1510 $MATH_FUNCS
1511 $SYSTEM_FUNCS
1512 $THREADS_LIST
1513 $TOOLCHAIN_FEATURES
1514 $TYPES_LIST
1515 atomics_native
1516 dos_paths
a61c2115 1517 dxva2_lib
7a650caf
DB
1518 libc_msvcrt
1519 libdc1394_1
1520 libdc1394_2
1521 sdl
b265431e 1522 threads
7671dd7c 1523 vdpau_x11
7671dd7c 1524 xlib
0cb78cef 1525"
44161118 1526
511cf612 1527# options emitted with CONFIG_ prefix but not available on the command line
b6bb00b0 1528CONFIG_EXTRA="
87849592 1529 aandcttables
bfe9f48a 1530 ac3dsp
aa11cb79 1531 audio_frame_queue
9a9e2f1c 1532 audiodsp
e74433a8 1533 blockdsp
8ef33497 1534 cabac
b93b27ed 1535 dsputil
bfe9f48a 1536 gcrypt
478fd534 1537 golomb
9cad0e4e 1538 gplv3
0338c396 1539 h263dsp
478fd534
DB
1540 h264chroma
1541 h264dsp
1542 h264pred
915a2a0a 1543 h264qpel
68d8238c 1544 hpeldsp
478fd534 1545 huffman
0d439fbe 1546 huffyuvdsp
512f3ffe 1547 huffyuvencdsp
dc4d726b 1548 intrax8
9cad0e4e 1549 lgplv3
478fd534 1550 lpc
7b9ef8d7 1551 mpeg_er
1e164c0b 1552 mpegaudio
bfe9f48a 1553 mpegaudiodsp
18bbca1f 1554 mpegvideo
ad08dfd5 1555 mpegvideoenc
bfe9f48a 1556 nettle
368f5035 1557 qpeldsp
f704a079 1558 rangecoder
255d9c57 1559 riffdec
3dd5c95d 1560 riffenc
bfe9f48a 1561 rtpdec
5ad2f0bf 1562 rtpenc_chain
bfe9f48a 1563 sinewin
57f09608 1564 tpeldsp
8c53d39e 1565 videodsp
ab9f9876 1566 vp3dsp
b6bb00b0
MR
1567"
1568
520cc7f1 1569CMDLINE_SELECT="
3f5b56e5 1570 $ARCH_EXT_LIST
520cc7f1 1571 $CONFIG_LIST
fd712a55 1572 $HAVE_LIST_CMDLINE
8eee7025 1573 $THREADS_LIST
c8a4ae00 1574 asm
db6107b6 1575 cross_compile
520cc7f1
MR
1576 debug
1577 extra_warnings
8c6afa4d 1578 logging
65d12900 1579 lto
d2bbb2f7 1580 optimizations
520cc7f1 1581"
426be5dc 1582
7caf48e0 1583PATHS_LIST="
d156bede 1584 bindir
14a8acf1 1585 datadir
f4ca970d 1586 docdir
26759c44
MR
1587 incdir
1588 libdir
26759c44
MR
1589 mandir
1590 prefix
1591 shlibdir
7caf48e0 1592"
426be5dc
DB
1593
1594CMDLINE_SET="
1595 $PATHS_LIST
121d78d0 1596 ar
426be5dc 1597 arch
313c46a6 1598 as
426be5dc
DB
1599 build_suffix
1600 cc
1601 cpu
1602 cross_prefix
50567afa 1603 dep_cc
ac63af34 1604 extra_version
9da6609f
MR
1605 host_cc
1606 host_cflags
095792f2 1607 host_ld
9da6609f
MR
1608 host_ldflags
1609 host_libs
82bb3329 1610 host_os
684b28e0 1611 ld
426be5dc 1612 logfile
4ae40685 1613 malloc_prefix
89641463 1614 nm
9cd7b854 1615 optflags
3f8040db 1616 pkg_config
390acbea 1617 pkg_config_flags
154caa67 1618 random_seed
2fad0977 1619 samples
c5200f17
MR
1620 sysinclude
1621 sysroot
a7ada2ba 1622 target_exec
26759c44 1623 target_os
a7ada2ba 1624 target_path
ba13606c 1625 target_samples
aeeb782c 1626 toolchain
426be5dc 1627"
520cc7f1 1628
89f2932b
MR
1629CMDLINE_APPEND="
1630 extra_cflags
4cc4b33f 1631 host_cppflags
89f2932b
MR
1632"
1633
912f3148
DB
1634# code dependency declarations
1635
9eeed841 1636# architecture extensions
808fa33c 1637
a2fc0f6a
MR
1638armv5te_deps="arm"
1639armv6_deps="arm"
ab5cb084 1640armv6t2_deps="arm"
8675bcb0 1641armv8_deps="aarch64"
b7b17ed6
JG
1642neon_deps_any="aarch64 arm"
1643vfp_deps_any="aarch64 arm"
b3267559 1644vfpv3_deps="vfp"
808fa33c 1645
637606de
MR
1646map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1647
808fa33c
MR
1648altivec_deps="ppc"
1649ppc4xx_deps="ppc"
1650
84146963
DB
1651cpunop_deps="i686"
1652x86_64_select="i686"
1653x86_64_suggest="fast_cmov"
50cd43f2 1654
808fa33c
MR
1655amd3dnow_deps="mmx"
1656amd3dnowext_deps="amd3dnow"
fb87e69f 1657i686_deps="x86"
9eeed841 1658mmx_deps="x86"
239fdf1b 1659mmxext_deps="mmx"
50cd43f2
DB
1660sse_deps="mmxext"
1661sse2_deps="sse"
1662sse3_deps="sse2"
1663ssse3_deps="sse3"
1664sse4_deps="ssse3"
1665sse42_deps="sse4"
1666avx_deps="sse42"
10b0161d 1667xop_deps="avx"
1b932eb1 1668fma3_deps="avx"
79687079 1669fma4_deps="avx"
4d6ee072 1670avx2_deps="avx"
9eeed841 1671
43b73d59
DB
1672mmx_external_deps="yasm"
1673mmx_inline_deps="inline_asm"
1674mmx_suggest="mmx_external mmx_inline"
1675
84bf8817 1676for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
43b73d59
DB
1677 eval dep=\$${ext}_deps
1678 eval ${ext}_external_deps='"${dep}_external"'
1679 eval ${ext}_inline_deps='"${dep}_inline"'
1680 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1681done
1682
032d4da8
JG
1683aligned_stack_if_any="aarch64 ppc x86"
1684fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1685fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1686fast_unaligned_if_any="aarch64 ppc x86"
669b5583 1687
3e0b1c9a 1688need_memalign="altivec neon sse"
89e053f8 1689
1a5fdf95
DB
1690# system capabilities
1691log2_deps="!libc_msvcrt"
1692
b462d132
MR
1693symver_if_any="symver_asm_label symver_gnu_asm"
1694
8558595a
DB
1695# threading support
1696atomics_gcc_if="sync_val_compare_and_swap"
1697atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1698atomics_win32_if="MemoryBarrier"
1699atomics_native_if_any="$ATOMICS_LIST"
874c751c 1700w32threads_deps="atomics_native"
8558595a
DB
1701threads_if_any="$THREADS_LIST"
1702
26fbcc85 1703# subsystems
dc609252 1704dct_select="rdft"
b93b27ed 1705error_resilience_select="dsputil"
fbf4d219 1706intrax8_select="error_resilience"
26fbcc85
MR
1707mdct_select="fft"
1708rdft_select="fft"
7b9ef8d7 1709mpeg_er_select="error_resilience"
1e164c0b 1710mpegaudio_select="mpegaudiodsp"
c4f5c2d6 1711mpegaudiodsp_select="dct"
e74433a8 1712mpegvideo_select="blockdsp dsputil hpeldsp videodsp"
368f5035 1713mpegvideoenc_select="dsputil mpegvideo qpeldsp"
26fbcc85 1714
ed40b6bf 1715# decoders / encoders
cfc2a0cf 1716aac_decoder_select="mdct sinewin"
aa11cb79 1717aac_encoder_select="audio_frame_queue mdct sinewin"
136e19e1 1718aac_latm_decoder_select="aac_decoder aac_latm_parser"
b93b27ed 1719ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
9a9e2f1c
DB
1720ac3_encoder_select="ac3dsp audiodsp dsputil mdct"
1721ac3_fixed_encoder_select="ac3dsp audiodsp dsputil mdct"
1232a164 1722aic_decoder_select="dsputil golomb"
f4d608e3 1723alac_encoder_select="lpc"
b93b27ed 1724als_decoder_select="dsputil"
b781cc12 1725amrnb_decoder_select="lsp"
2b2a597e 1726amrwb_decoder_select="lsp"
0a36988e 1727amv_decoder_select="sp5x_decoder"
b93b27ed 1728ape_decoder_select="dsputil"
e74433a8 1729asv1_decoder_select="blockdsp dsputil"
b93b27ed 1730asv1_encoder_select="dsputil"
e74433a8 1731asv2_decoder_select="blockdsp dsputil"
b93b27ed 1732asv2_encoder_select="dsputil"
4538729a 1733atrac1_decoder_select="mdct sinewin"
26fbcc85 1734atrac3_decoder_select="mdct"
e6f0bb65 1735atrac3p_decoder_select="mdct sinewin"
e74433a8 1736bink_decoder_select="blockdsp hpeldsp"
a33657ce
DB
1737binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1738binkaudio_rdft_decoder_select="mdct rdft sinewin"
e74433a8 1739cavs_decoder_select="blockdsp dsputil golomb h264chroma qpeldsp videodsp"
b93b27ed 1740cllc_decoder_select="dsputil"
9b500b8f 1741comfortnoise_encoder_select="lpc"
9a9e2f1c 1742cook_decoder_select="audiodsp mdct sinewin"
2a91ada8 1743cscd_decoder_select="lzo"
2eef7c62 1744cscd_decoder_suggest="zlib"
26fbcc85 1745dca_decoder_select="mdct"
e74433a8
DB
1746dnxhd_decoder_select="blockdsp dsputil"
1747dnxhd_encoder_select="aandcttables blockdsp dsputil mpegvideoenc"
b93b27ed
RB
1748dvvideo_decoder_select="dsputil"
1749dvvideo_encoder_select="dsputil"
61c31e4e 1750dxa_decoder_deps="zlib"
baf91bb9 1751eac3_decoder_select="ac3_decoder"
4264a0dd 1752eac3_encoder_select="ac3_encoder"
e74433a8 1753eamad_decoder_select="aandcttables blockdsp dsputil mpegvideo"
b93b27ed 1754eatgq_decoder_select="aandcttables dsputil"
c54e1187 1755eatqi_decoder_select="aandcttables blockdsp dsputil mpeg1video_decoder"
38389058 1756exr_decoder_deps="zlib"
cd832f03
DB
1757ffv1_decoder_select="golomb rangecoder"
1758ffv1_encoder_select="rangecoder"
2f02bbcc
DB
1759ffvhuff_decoder_select="huffyuv_decoder"
1760ffvhuff_encoder_select="huffyuv_encoder"
93e15a32 1761fic_decoder_select="golomb"
4f034993 1762flac_decoder_select="golomb"
b93b27ed 1763flac_encoder_select="dsputil golomb lpc"
61c31e4e
DB
1764flashsv_decoder_deps="zlib"
1765flashsv_encoder_deps="zlib"
1766flashsv2_decoder_deps="zlib"
4414137e 1767flv_decoder_select="h263_decoder"
4d4b4bd1 1768flv_encoder_select="h263_encoder"
e74433a8 1769fourxm_decoder_select="blockdsp dsputil"
b93b27ed 1770fraps_decoder_select="dsputil huffman"
61c31e4e 1771g2m_decoder_deps="zlib"
e74433a8 1772g2m_decoder_select="blockdsp dsputil"
7b9ef8d7 1773h261_decoder_select="mpeg_er mpegvideo"
ad08dfd5 1774h261_encoder_select="aandcttables mpegvideoenc"
7b9ef8d7 1775h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
0338c396 1776h263_encoder_select="aandcttables h263dsp mpegvideoenc"
4414137e 1777h263i_decoder_select="h263_decoder"
fe629c2d 1778h263p_encoder_select="h263_encoder"
8ef33497 1779h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel videodsp"
0b499c9b 1780h264_decoder_suggest="error_resilience"
8ef33497 1781hevc_decoder_select="cabac dsputil golomb videodsp"
0d439fbe 1782huffyuv_decoder_select="dsputil huffyuvdsp"
512f3ffe 1783huffyuv_encoder_select="dsputil huffman huffyuvencdsp"
34150be5 1784iac_decoder_select="imc_decoder"
b93b27ed 1785imc_decoder_select="dsputil fft mdct sinewin"
8f992dc8 1786indeo3_decoder_select="hpeldsp"
8071264f 1787interplay_video_decoder_select="hpeldsp"
8e0cf39f 1788jpegls_decoder_select="golomb mjpeg_decoder"
4f034993 1789jpegls_encoder_select="golomb"
e74433a8 1790jv_decoder_select="blockdsp"
0d439fbe 1791lagarith_decoder_select="huffyuvdsp"
ad08dfd5 1792ljpeg_encoder_select="aandcttables mpegvideoenc"
4f034993 1793loco_decoder_select="golomb"
a6a675a7 1794mdec_decoder_select="blockdsp dsputil mpegvideo"
3e589878 1795metasound_decoder_select="lsp mdct sinewin"
e74433a8
DB
1796mimic_decoder_select="blockdsp dsputil hpeldsp"
1797mjpeg_decoder_select="blockdsp dsputil hpeldsp"
6cd76e54 1798mjpeg_encoder_select="aandcttables mpegvideoenc"
7caf48e0 1799mjpegb_decoder_select="mjpeg_decoder"
9ecf1b62 1800mlp_decoder_select="mlp_parser"
b93b27ed 1801motionpixels_decoder_select="dsputil"
1e164c0b
DB
1802mp1_decoder_select="mpegaudio"
1803mp1float_decoder_select="mpegaudio"
1804mp2_decoder_select="mpegaudio"
1805mp2float_decoder_select="mpegaudio"
1806mp3_decoder_select="mpegaudio"
1807mp3adu_decoder_select="mpegaudio"
1808mp3adufloat_decoder_select="mpegaudio"
1809mp3float_decoder_select="mpegaudio"
1810mp3on4_decoder_select="mpegaudio"
1811mp3on4float_decoder_select="mpegaudio"
b93b27ed 1812mpc7_decoder_select="dsputil mpegaudiodsp"
88b24064 1813mpc8_decoder_select="mpegaudiodsp"
3e0b1c9a 1814mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
d767e2f9 1815mpeg_xvmc_decoder_select="mpeg2video_decoder"
7b9ef8d7 1816mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
06b54e84 1817mpeg1video_encoder_select="aandcttables mpegvideoenc"
7b9ef8d7 1818mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
06b54e84 1819mpeg2video_encoder_select="aandcttables mpegvideoenc"
3e0b1c9a
DB
1820mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1821mpeg4_encoder_select="h263_encoder"
4414137e 1822msmpeg4v1_decoder_select="h263_decoder"
4414137e 1823msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1824msmpeg4v2_encoder_select="h263_encoder"
4414137e 1825msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1826msmpeg4v3_encoder_select="h263_encoder"
7b9ef8d7 1827mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
8e0cf39f 1828mxpeg_decoder_select="mjpeg_decoder"
4538729a 1829nellymoser_decoder_select="mdct sinewin"
aa11cb79 1830nellymoser_encoder_select="audio_frame_queue mdct sinewin"
b93b27ed 1831nuv_decoder_select="dsputil lzo"
e2834567 1832on2avc_decoder_select="mdct"
b70d7a4a 1833opus_decoder_deps="avresample"
61c31e4e 1834png_decoder_deps="zlib"
61c31e4e 1835png_encoder_deps="zlib"
512f3ffe 1836png_encoder_select="huffyuvencdsp"
b93b27ed
RB
1837prores_decoder_select="dsputil"
1838prores_encoder_select="dsputil"
b781cc12 1839qcelp_decoder_select="lsp"
c4f5c2d6 1840qdm2_decoder_select="mdct rdft mpegaudiodsp"
aa11cb79 1841ra_144_encoder_select="audio_frame_queue lpc"
9f43fdda 1842ralf_decoder_select="golomb"
7b9ef8d7 1843rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
b2bf38b4 1844rv10_encoder_select="h263_encoder"
7b9ef8d7 1845rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
b2bf38b4 1846rv20_encoder_select="h263_encoder"
7b9ef8d7
DB
1847rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
1848rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
4f034993 1849shorten_decoder_select="golomb"
b781cc12 1850sipr_decoder_select="lsp"
8e0cf39f 1851sp5x_decoder_select="mjpeg_decoder"
6caa44aa 1852svq1_decoder_select="hpeldsp"
1277dc07 1853svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
57f09608 1854svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
d48430c3 1855svq3_decoder_suggest="zlib"
9a9e2f1c 1856tak_decoder_select="audiodsp"
4eef77c1 1857theora_decoder_select="vp3_decoder"
7caf48e0 1858thp_decoder_select="mjpeg_decoder"
2eef7c62
AJ
1859tiff_decoder_suggest="zlib"
1860tiff_encoder_suggest="zlib"
aec09a00 1861truehd_decoder_select="mlp_decoder"
b93b27ed
RB
1862truemotion2_decoder_select="dsputil"
1863truespeech_decoder_select="dsputil"
61c31e4e 1864tscc_decoder_deps="zlib"
4538729a 1865twinvq_decoder_select="mdct lsp sinewin"
b93b27ed 1866utvideo_decoder_select="dsputil"
512f3ffe 1867utvideo_encoder_select="dsputil huffman huffyuvencdsp"
0d439fbe 1868vble_decoder_select="huffyuvdsp"
7b9ef8d7 1869vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp"
45ecda85 1870vc1image_decoder_select="vc1_decoder"
26fbcc85
MR
1871vorbis_decoder_select="mdct"
1872vorbis_encoder_select="mdct"
3bd062bf 1873vp3_decoder_select="hpeldsp vp3dsp videodsp"
cb7ecb75
RB
1874vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
1875vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
e82dc4c9
DB
1876vp6a_decoder_select="vp6_decoder"
1877vp6f_decoder_select="vp6_decoder"
ac4b32df 1878vp7_decoder_select="h264pred videodsp"
8c53d39e 1879vp8_decoder_select="h264pred videodsp"
72ca830f 1880vp9_decoder_select="videodsp"
c4bfa098 1881webp_decoder_select="vp8_decoder"
4538729a
MR
1882wmapro_decoder_select="mdct sinewin"
1883wmav1_decoder_select="mdct sinewin"
1884wmav1_encoder_select="mdct sinewin"
1885wmav2_decoder_select="mdct sinewin"
1886wmav2_encoder_select="mdct sinewin"
1887wmavoice_decoder_select="lsp rdft dct mdct sinewin"
f95bfab0 1888wmv1_decoder_select="h263_decoder"
665507aa 1889wmv1_encoder_select="h263_encoder"
e74433a8 1890wmv2_decoder_select="blockdsp h263_decoder intrax8 videodsp"
1746e2a9 1891wmv2_encoder_select="h263_encoder"
015f8ee0 1892wmv3_decoder_select="vc1_decoder"
45ecda85 1893wmv3image_decoder_select="wmv3_decoder"
61c31e4e
DB
1894zerocodec_decoder_deps="zlib"
1895zlib_decoder_deps="zlib"
1896zlib_encoder_deps="zlib"
1897zmbv_decoder_deps="zlib"
1898zmbv_encoder_deps="zlib"
30fd06be 1899
ed40b6bf 1900# hardware accelerators
215cdd35 1901dxva2_deps="dxva2api_h"
0afab17e 1902vaapi_deps="va_va_h"
ac3dbb4d 1903vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
9840130e 1904vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
c89c96e9
MR
1905vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1906
82ca17ac
DB
1907h263_vaapi_hwaccel_deps="vaapi"
1908h263_vaapi_hwaccel_select="h263_decoder"
1909h263_vdpau_hwaccel_deps="vdpau"
1910h263_vdpau_hwaccel_select="h263_decoder"
215cdd35
DB
1911h264_dxva2_hwaccel_deps="dxva2"
1912h264_dxva2_hwaccel_select="h264_decoder"
82ca17ac
DB
1913h264_vaapi_hwaccel_deps="vaapi"
1914h264_vaapi_hwaccel_select="h264_decoder"
1915h264_vda_hwaccel_deps="vda"
1916h264_vda_hwaccel_select="h264_decoder"
67afcefb
AK
1917h264_vda_old_hwaccel_deps="vda"
1918h264_vda_old_hwaccel_select="h264_decoder"
82ca17ac
DB
1919h264_vdpau_hwaccel_deps="vdpau"
1920h264_vdpau_hwaccel_select="h264_decoder"
82ca17ac
DB
1921mpeg1_vdpau_hwaccel_deps="vdpau"
1922mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
215cdd35
DB
1923mpeg2_dxva2_hwaccel_deps="dxva2"
1924mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
82ca17ac
DB
1925mpeg2_vaapi_hwaccel_deps="vaapi"
1926mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
1927mpeg2_vdpau_hwaccel_deps="vdpau"
1928mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
1929mpeg4_vaapi_hwaccel_deps="vaapi"
1930mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
82ca17ac
DB
1931mpeg4_vdpau_hwaccel_deps="vdpau"
1932mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
215cdd35
DB
1933vc1_dxva2_hwaccel_deps="dxva2"
1934vc1_dxva2_hwaccel_select="vc1_decoder"
82ca17ac
DB
1935vc1_vaapi_hwaccel_deps="vaapi"
1936vc1_vaapi_hwaccel_select="vc1_decoder"
82ca17ac
DB
1937vc1_vdpau_hwaccel_deps="vdpau"
1938vc1_vdpau_hwaccel_select="vc1_decoder"
ed40b6bf
DB
1939wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1940wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
77525327 1941wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
ed40b6bf 1942
28b80940 1943# parsers
fb7127b2 1944h264_parser_select="h264_decoder"
a6a675a7 1945mpegvideo_parser_select="mpegvideo"
7b9ef8d7 1946mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
06b54e84 1947vc1_parser_select="mpegvideo"
28b80940 1948
912f3148 1949# external libraries
c9171a83 1950libfaac_encoder_deps="libfaac"
aa11cb79 1951libfaac_encoder_select="audio_frame_queue"
4f2b469d 1952libfdk_aac_decoder_deps="libfdk_aac"
37eeb5e2 1953libfdk_aac_encoder_deps="libfdk_aac"
aa11cb79 1954libfdk_aac_encoder_select="audio_frame_queue"
299c77d5
MR
1955libgsm_decoder_deps="libgsm"
1956libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1957libgsm_ms_decoder_deps="libgsm"
1958libgsm_ms_encoder_deps="libgsm"
3641b048
MS
1959libilbc_decoder_deps="libilbc"
1960libilbc_encoder_deps="libilbc"
1cc60c47 1961libmp3lame_encoder_deps="libmp3lame"
aa11cb79 1962libmp3lame_encoder_select="audio_frame_queue"
0b175caa
DB
1963libopencore_amrnb_decoder_deps="libopencore_amrnb"
1964libopencore_amrnb_encoder_deps="libopencore_amrnb"
aa11cb79 1965libopencore_amrnb_encoder_select="audio_frame_queue"
0b175caa 1966libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1967libopenjpeg_decoder_deps="libopenjpeg"
453c02f9 1968libopenjpeg_encoder_deps="libopenjpeg"
44617d6e 1969libopus_decoder_deps="libopus"
6cb8c854 1970libopus_encoder_deps="libopus"
aa11cb79 1971libopus_encoder_select="audio_frame_queue"
f7cd9eed
AS
1972libschroedinger_decoder_deps="libschroedinger"
1973libschroedinger_encoder_deps="libschroedinger"
ae14f311 1974libspeex_decoder_deps="libspeex"
b606a017 1975libspeex_encoder_deps="libspeex"
aa11cb79 1976libspeex_encoder_select="audio_frame_queue"
150d2772 1977libtheora_encoder_deps="libtheora"
718907cd 1978libtwolame_encoder_deps="libtwolame"
d89e738a 1979libvo_aacenc_encoder_deps="libvo_aacenc"
aa11cb79 1980libvo_aacenc_encoder_select="audio_frame_queue"
f502ff3f 1981libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
b0caf888 1982libvorbis_encoder_deps="libvorbis"
aa11cb79 1983libvorbis_encoder_select="audio_frame_queue"
3f111804
LB
1984libvpx_vp8_decoder_deps="libvpx"
1985libvpx_vp8_encoder_deps="libvpx"
1986libvpx_vp9_decoder_deps="libvpx"
1987libvpx_vp9_encoder_deps="libvpx"
84d3ff50 1988libwavpack_encoder_deps="libwavpack"
be7c3231 1989libwebp_encoder_deps="libwebp"
1cc60c47 1990libx264_encoder_deps="libx264"
50ea9315 1991libx265_encoder_deps="libx265"
de295976 1992libxavs_encoder_deps="libxavs"
1cc60c47 1993libxvid_encoder_deps="libxvid"
30fd06be 1994
912f3148 1995# demuxers / muxers
c2dd0e9e 1996ac3_demuxer_select="ac3_parser"
255d9c57 1997asf_demuxer_select="riffdec"
3dd5c95d 1998asf_muxer_select="riffenc"
647c2356 1999asf_stream_muxer_select="asf_muxer"
255d9c57 2000avi_demuxer_select="riffdec"
3dd5c95d 2001avi_muxer_select="riffenc"
4e622dea 2002avisynth_demuxer_deps="avisynth"
255d9c57
DB
2003avisynth_demuxer_select="riffdec"
2004caf_demuxer_select="riffdec"
c2dd0e9e 2005dirac_demuxer_select="dirac_parser"
255d9c57 2006dxa_demuxer_select="riffdec"
5b423887 2007eac3_demuxer_select="ac3_parser"
e01fba55 2008f4v_muxer_select="mov_muxer"
c2dd0e9e 2009flac_demuxer_select="flac_parser"
435214a7 2010hds_muxer_select="flv_muxer"
c9031c7c 2011hls_muxer_select="mpegts_muxer"
647c2356 2012ipod_muxer_select="mov_muxer"
31f16dc1 2013ismv_muxer_select="mov_muxer"
647c2356 2014matroska_audio_muxer_select="matroska_muxer"
255d9c57 2015matroska_demuxer_select="riffdec"
2a91ada8 2016matroska_demuxer_suggest="bzlib lzo zlib"
3dd5c95d
DB
2017matroska_muxer_select="riffenc"
2018mmf_muxer_select="riffenc"
255d9c57 2019mov_demuxer_select="riffdec"
4e622dea 2020mov_demuxer_suggest="zlib"
3dd5c95d 2021mov_muxer_select="riffenc rtpenc_chain"
c2dd0e9e 2022mp3_demuxer_select="mpegaudio_parser"
647c2356 2023mp4_muxer_select="mov_muxer"
75644335 2024mpegts_muxer_select="adts_muxer latm_muxer"
647c2356
DB
2025mpegtsraw_demuxer_select="mpegts_demuxer"
2026mxf_d10_muxer_select="mxf_muxer"
3dd5c95d 2027nut_muxer_select="riffenc"
255d9c57 2028nuv_demuxer_select="riffdec"
24ca518b 2029ogg_demuxer_select="golomb"
647c2356 2030psp_muxer_select="mov_muxer"
44594cc7 2031rtp_demuxer_select="sdp_demuxer"
44b70ce5
MS
2032rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2033rtsp_demuxer_select="http_protocol rtpdec"
5ad2f0bf 2034rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
01c8d258 2035sap_demuxer_select="sdp_demuxer"
5ad2f0bf 2036sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
44b70ce5 2037sdp_demuxer_select="rtpdec"
e772f9fa 2038smoothstreaming_muxer_select="ismv_muxer"
f1e94694 2039spdif_muxer_select="aac_parser"
57231e4d 2040tak_demuxer_select="tak_parser"
647c2356
DB
2041tg2_muxer_select="mov_muxer"
2042tgp_muxer_select="mov_muxer"
a7d45e06 2043w64_demuxer_select="wav_demuxer"
255d9c57 2044wav_demuxer_select="riffdec"
3dd5c95d
DB
2045wav_muxer_select="riffenc"
2046webm_muxer_select="riffenc"
255d9c57
DB
2047wtv_demuxer_select="riffdec"
2048xmv_demuxer_select="riffdec"
2049xwma_demuxer_select="riffdec"
4e622dea
SS
2050
2051# indevs / outdevs
38e54a75 2052alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
38e54a75 2053alsa_outdev_deps="alsa_asoundlib_h"
38e54a75 2054bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
6fb65973
DB
2055dv1394_indev_deps="dv1394"
2056dv1394_indev_select="dv_demuxer"
c6f95144 2057fbdev_indev_deps="linux_fb_h"
a3fc62e8 2058jack_indev_deps="jack_jack_h pthreads"
e417d80d 2059libcdio_indev_deps="libcdio"
38e54a75 2060libdc1394_indev_deps="libdc1394"
38e54a75
SS
2061oss_indev_deps_any="soundcard_h sys_soundcard_h"
2062oss_outdev_deps_any="soundcard_h sys_soundcard_h"
0de9c41f 2063pulse_indev_deps="libpulse"
15d59d2c
B
2064sndio_indev_deps="sndio_h"
2065sndio_outdev_deps="sndio_h"
38e54a75 2066v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
ec1ee802 2067vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
a1b3c5a3 2068vfwcap_indev_extralibs="-lavicap32"
24f8961f 2069x11grab_indev_deps="x11grab XShmCreateImage"
30fd06be 2070
912f3148 2071# protocols
acd554c1
SP
2072ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2073ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2074ffrtmpcrypt_protocol_select="tcp_protocol"
775c4d36
SP
2075ffrtmphttp_protocol_deps="!librtmp_protocol"
2076ffrtmphttp_protocol_select="http_protocol"
998c1ee1 2077gopher_protocol_select="network"
279a0c97 2078http_protocol_select="tcp_protocol"
7caf48e0 2079httpproxy_protocol_select="tcp_protocol"
183baead 2080https_protocol_select="tls_protocol"
c3b57d6e
DB
2081librtmp_protocol_deps="librtmp"
2082librtmpe_protocol_deps="librtmp"
2083librtmps_protocol_deps="librtmp"
2084librtmpt_protocol_deps="librtmp"
2085librtmpte_protocol_deps="librtmp"
c60a2d70 2086mmsh_protocol_select="http_protocol"
998c1ee1 2087mmst_protocol_select="network"
c3b57d6e 2088rtmp_protocol_deps="!librtmp_protocol"
deeb7012 2089rtmp_protocol_select="tcp_protocol"
acd554c1 2090rtmpe_protocol_select="ffrtmpcrypt_protocol"
6aedabc9
SP
2091rtmps_protocol_deps="!librtmp_protocol"
2092rtmps_protocol_select="tls_protocol"
775c4d36 2093rtmpt_protocol_select="ffrtmphttp_protocol"
08cd95e8 2094rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
6c1ed454 2095rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
deeb7012 2096rtp_protocol_select="udp_protocol"
998c1ee1
DB
2097sctp_protocol_deps="struct_sctp_event_subscribe"
2098sctp_protocol_select="network"
0eecafc9 2099srtp_protocol_select="rtp_protocol"
998c1ee1 2100tcp_protocol_select="network"
558d192d
MS
2101tls_protocol_deps_any="openssl gnutls"
2102tls_protocol_select="tcp_protocol"
998c1ee1 2103udp_protocol_select="network"
60538758
LB
2104unix_protocol_deps="sys_un_h"
2105unix_protocol_select="network"
c08fb000 2106
6ebf0bfc 2107# filters
13fabd7a 2108blackframe_filter_deps="gpl"
ce6b6ef6 2109boxblur_filter_deps="gpl"
1c0210c7 2110bs2b_filter_deps="libbs2b"
68b79bfc 2111cropdetect_filter_deps="gpl"
b157be1f 2112delogo_filter_deps="gpl"
a5b64584 2113drawtext_filter_deps="libfreetype"
61b323ce 2114frei0r_filter_deps="frei0r dlopen"
cfec77aa 2115frei0r_filter_extralibs='$ldl'
61b323ce 2116frei0r_src_filter_deps="frei0r dlopen"
cfec77aa 2117frei0r_src_filter_extralibs='$ldl'
a4dc7aa5 2118hqdn3d_filter_deps="gpl"
3fce1367 2119interlace_filter_deps="gpl"
cf69ad35 2120ocv_filter_deps="libopencv"
7caf48e0 2121resample_filter_deps="avresample"
2f296e39 2122scale_filter_deps="swscale"
6ebf0bfc 2123
ab81f24a 2124# examples
b339182e 2125avcodec_example_deps="avcodec avutil"
e7dfaf16 2126filter_audio_example_deps="avfilter avutil"
b339182e 2127metadata_example_deps="avformat avutil"
ab81f24a 2128output_example_deps="avcodec avformat avutil swscale"
10421bcf 2129transcode_aac_example_deps="avcodec avformat avresample"
ab81f24a 2130
44951174 2131# libraries, in linking order
d89f2fa9 2132avcodec_deps="avutil"
44951174 2133avdevice_deps="avformat avcodec avutil"
d89f2fa9 2134avfilter_deps="avutil"
44951174 2135avformat_deps="avcodec avutil"
d89f2fa9
DB
2136avresample_deps="avutil"
2137swscale_deps="avutil"
f7679c54 2138
912f3148 2139# programs
54fd593a 2140avconv_deps="avcodec avfilter avformat avresample swscale"
bce70f81 2141avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
0a0e340f 2142 fps_filter null_filter resample_filter scale_filter
bce70f81 2143 setpts_filter trim_filter"
d173ede1 2144avplay_deps="avcodec avformat avresample swscale sdl"
d2617193 2145avplay_libs='$sdl_libs'
266463da 2146avplay_select="rdft"
9e12f0bf 2147avprobe_deps="avcodec avformat"
a2830dca 2148
4da3f410 2149# documentation
92f0abb2 2150pod2man_deps="doc"
4da3f410
DB
2151texi2html_deps="doc"
2152
de6d9b64 2153# default parameters
8a608357 2154
19bd477d 2155logfile="config.log"
8a608357
MR
2156
2157# installation paths
c9d19248
MR
2158prefix_default="/usr/local"
2159bindir_default='${prefix}/bin'
6291d7e4 2160datadir_default='${prefix}/share/avconv'
f4ca970d 2161docdir_default='${prefix}/share/doc/libav'
c9d19248
MR
2162incdir_default='${prefix}/include'
2163libdir_default='${prefix}/lib'
2164mandir_default='${prefix}/share/man'
2165shlibdir_default="$libdir_default"
8a608357
MR
2166
2167# toolchain
121d78d0 2168ar_default="ar"
13c7df3d 2169cc_default="gcc"
9da6609f 2170host_cc_default="gcc"
4ebc6a74 2171cp_f="cp -f"
b58b00ae 2172ln_s="ln -s -f"
2a8a860a 2173nm_default="nm -g"
11e6d03a 2174objformat="elf"
3f8040db 2175pkg_config_default=pkg-config
be7109c1 2176ranlib="ranlib"
e52567c2 2177strip="strip"
11e6d03a 2178yasmexe="yasm"
8a608357 2179
3e0b1c9a 2180nogas=":"
8182dc34 2181
8a608357 2182# machine
8d4c00ed 2183arch_default=$(uname -m)
38d0a8aa 2184cpu="generic"
8a608357 2185
8a608357 2186# OS
8d4c00ed
MR
2187target_os_default=$(tolower $(uname -s))
2188host_os=$target_os_default
8a608357 2189
8a608357 2190# configurable options
ab81f24a 2191enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
3e0b1c9a 2192
3e0b1c9a
DB
2193enable asm
2194enable debug
2195enable doc
8400d6b8 2196enable optimizations
8cfbbd92 2197enable safe_bitstream_reader
530dc538 2198enable static
a9ddb5b1 2199enable swscale_alpha
8a608357 2200
2e2ec667
DB
2201# By default, enable only those hwaccels that have no external dependencies.
2202enable dxva2 vdpau
2203
8a608357 2204# build settings
9987769a 2205SHFLAGS='-shared -Wl,-soname,$$(@F)'
f3ec2d46
SG
2206LIBPREF="lib"
2207LIBSUF=".a"
c5f14466
RP
2208FULLNAME='$(NAME)$(BUILDSUF)'
2209LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
2210SLIBPREF="lib"
2211SLIBSUF=".so"
c5f14466 2212SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
2213SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2214SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 2215LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2f138f0b
MR
2216SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2217SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
ef0bc4c9 2218
68485d1f
MR
2219asflags_filter=echo
2220cflags_filter=echo
64933b6c
MR
2221ldflags_filter=echo
2222
23565c26 2223AS_C='-c'
bc877faf 2224AS_O='-o $@'
23565c26 2225CC_C='-c'
18031c49 2226CC_E='-E -o $@'
7e6c86e6 2227CC_O='-o $@'
a758c5e2 2228LD_O='-o $@'
8db73c61
MR
2229LD_LIB='-l%'
2230LD_PATH='-L'
23565c26 2231HOSTCC_C='-c'
27565164 2232HOSTCC_E='-E -o $@'
a758c5e2 2233HOSTCC_O='-o $@'
095792f2 2234HOSTLD_O='-o $@'
7e6c86e6 2235
9da6609f 2236host_libs='-lm'
6c3fa06a
MR
2237host_cflags_filter=echo
2238host_ldflags_filter=echo
9da6609f 2239
9b861379 2240target_path='$(CURDIR)'
a7ada2ba 2241
a158446b
MR
2242# since the object filename is not given with the -MM flag, the compiler
2243# is only able to print the basename, and we must add the path ourselves
a758c5e2
MR
2244DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2245DEPFLAGS='-MM'
315c741d 2246
c597172e 2247# find source path
24524f36 2248if test -f configure; then
f038cf3c 2249 source_path=.
c597172e 2250else
8477f2de 2251 source_path=$(cd $(dirname "$0"); pwd)
c597172e 2252 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 2253 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
2254 test -e "$source_path/config.h" &&
2255 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
2256fi
2257
13cbe2c0 2258for v in "$@"; do
b04251c5
MR
2259 r=${v#*=}
2260 l=${v%"$r"}
2261 r=$(sh_quote "$r")
29ba0911 2262 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
13cbe2c0 2263done
c597172e 2264
73ef8980
MR
2265find_things(){
2266 thing=$1
2267 pattern=$2
2268 file=$source_path/$3
932ccf39 2269 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
2270}
2271
2272ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2273DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 2274HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
2275PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2276BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2277MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2278DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
2279OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2280INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 2281PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 2282FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 2283
54e75be4
DB
2284ALL_COMPONENTS="
2285 $BSF_LIST
2286 $DECODER_LIST
2287 $DEMUXER_LIST
2288 $ENCODER_LIST
2289 $FILTER_LIST
2290 $HWACCEL_LIST
2291 $INDEV_LIST
2292 $MUXER_LIST
2293 $OUTDEV_LIST
2294 $PARSER_LIST
2295 $PROTOCOL_LIST
2296"
2297
8469ae22
MR
2298for n in $COMPONENT_LIST; do
2299 v=$(toupper ${n%s})_LIST
2300 eval enable \$$v
2301 eval ${n}_if_any="\$$v"
2302done
2303
206a070d 2304enable $ARCH_EXT_LIST
c597172e
MR
2305
2306die_unknown(){
2307 echo "Unknown option \"$1\"."
2308 echo "See $0 --help for available options."
2309 exit 1
2310}
2311
7432e872
DB
2312print_3_columns() {
2313 cat | tr ' ' '\n' | sort | pr -r -3 -t
2314}
2315
794f8e97 2316show_list() {
bf0c4afa
RP
2317 suffix=_$1
2318 shift
7432e872 2319 echo $* | sed s/$suffix//g | print_3_columns
794f8e97
PI
2320 exit 0
2321}
2322
154caa67
MR
2323rand_list(){
2324 IFS=', '
2325 set -- $*
2326 unset IFS
2327 for thing; do
2328 comp=${thing%:*}
2329 prob=${thing#$comp}
2330 prob=${prob#:}
2331 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2332 echo "prob ${prob:-0.5}"
2333 printf '%s\n' $comp
2334 done
2335}
2336
2337do_random(){
2338 action=$1
2339 shift
2340 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2341 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2342}
2343
c597172e 2344for opt do
7483e694
DB
2345 optval="${opt#*=}"
2346 case "$opt" in
ea061af1
DB
2347 --extra-ldflags=*)
2348 add_ldflags $optval
7e9e7cc2 2349 ;;
ea061af1
DB
2350 --extra-libs=*)
2351 add_extralibs $optval
7e9e7cc2 2352 ;;
ea061af1
DB
2353 --disable-devices)
2354 disable $INDEV_LIST $OUTDEV_LIST
7e9e7cc2 2355 ;;
ea061af1
DB
2356 --enable-debug=*)
2357 debuglevel="$optval"
7e9e7cc2
MR
2358 ;;
2359 --disable-programs)
2360 disable $PROGRAM_LIST
2361 ;;
2362 --disable-everything)
2363 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2364 ;;
844c6852
DB
2365 --disable-all)
2366 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2367 disable $LIBRARY_LIST $PROGRAM_LIST doc
2368 ;;
7e9e7cc2
MR
2369 --enable-random|--disable-random)
2370 action=${opt%%-random}
2371 do_random ${action#--} $COMPONENT_LIST
2372 ;;
2373 --enable-random=*|--disable-random=*)
2374 action=${opt%%-random=*}
2375 do_random ${action#--} $optval
2376 ;;
2377 --enable-*=*|--disable-*=*)
2378 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2379 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2380 eval list=\$$(toupper $thing)_LIST
2381 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2382 $action $(filter "$name" $list)
2383 ;;
894682a9
AK
2384 --enable-avserver|--disable-avserver*)
2385 warn "avserver has been removed, the ${opt} option is only"\
2386 "provided for compatibility and will be removed in the future"
2387 ;;
7e9e7cc2
MR
2388 --enable-?*|--disable-?*)
2389 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2390 if is_in $option $COMPONENT_LIST; then
2391 test $action = disable && action=unset
2392 eval $action \$$(toupper ${option%s})_LIST
2393 elif is_in $option $CMDLINE_SELECT; then
2394 $action $option
2395 else
2396 die_unknown $opt
2397 fi
2398 ;;
2399 --list-*)
2400 NAME="${opt#--list-}"
2401 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2402 NAME=${NAME%s}
2403 eval show_list $NAME \$$(toupper $NAME)_LIST
2404 ;;
2405 --help|-h) show_help
2406 ;;
2407 *)
2408 optname="${opt%%=*}"
2409 optname="${optname#--}"
2410 optname=$(echo "$optname" | sed 's/-/_/g')
2411 if is_in $optname $CMDLINE_SET; then
2412 eval $optname='$optval'
2413 elif is_in $optname $CMDLINE_APPEND; then
2414 append $optname "$optval"
2415 else
2416 die_unknown $opt
2417 fi
2418 ;;
7483e694 2419 esac
c597172e
MR
2420done
2421
bcea99bb
MR
2422disabled logging && logfile=/dev/null
2423
29ba0911 2424echo "# $0 $LIBAV_CONFIGURATION" > $logfile
bcea99bb
MR
2425set >> $logfile
2426
9da6609f
MR
2427test -n "$cross_prefix" && enable cross_compile
2428
8d4c00ed
MR
2429if enabled cross_compile; then
2430 test -n "$arch" && test -n "$target_os" ||
2431 die "Must specify target arch and OS when cross-compiling"
2432fi
2433
121d78d0 2434ar_default="${cross_prefix}${ar_default}"
11e6d03a 2435cc_default="${cross_prefix}${cc_default}"
20e0ed95 2436nm_default="${cross_prefix}${nm_default}"
3f8040db 2437pkg_config_default="${cross_prefix}${pkg_config_default}"
adb2b908 2438ranlib="${cross_prefix}${ranlib}"
e52567c2 2439strip="${cross_prefix}${strip}"
adb2b908 2440
c5200f17
MR
2441sysinclude_default="${sysroot}/usr/include"
2442
aeeb782c 2443case "$toolchain" in
0fbb62a8
LB
2444 clang-asan)
2445 cc_default="clang"
19f251a2
LB
2446 add_cflags -fsanitize=address
2447 add_ldflags -fsanitize=address
0fbb62a8
LB
2448 ;;
2449 clang-tsan)
2450 cc_default="clang"
19f251a2
LB
2451 add_cflags -fsanitize=thread -pie
2452 add_ldflags -fsanitize=thread -pie
0fbb62a8 2453 ;;
d6a27f88
LB
2454 clang-usan)
2455 cc_default="clang"
4d25c2bc 2456 add_cflags -fsanitize=undefined -O1
d6a27f88
LB
2457 add_ldflags -fsanitize=undefined
2458 ;;
0ba49d28
LB
2459 gcc-asan)
2460 cc_default="gcc"
2461 add_cflags -fsanitize=address
2462 add_ldflags -fsanitize=address
2463 ;;
2464 gcc-tsan)
2465 cc_default="gcc"
2466 add_cflags -fsanitize=thread -pie -fPIC
2467 add_ldflags -fsanitize=thread -pie -fPIC
2468 ;;
d6a27f88
LB
2469 gcc-usan)
2470 cc_default="gcc"
2471 add_cflags -fsanitize=undefined
2472 add_ldflags -fsanitize=undefined
2473 ;;
edfe609f
LB
2474 valgrind-massif)
2475 target_exec_default="valgrind"
2476 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2477 ;;
b1ee8eec
RT
2478 valgrind-memcheck)
2479 target_exec_default="valgrind"
2480 target_exec_args="--track-origins=yes --leak-check=full"
2481 ;;
aeeb782c 2482 msvc)
16381923
MS
2483 # Check whether the current MSVC version needs the C99 converter.
2484 # From MSVC 2013 (compiler major version 18) onwards, it does actually
ea9f7173 2485 # support enough of C99 to build libav. Default to the new
16381923
MS
2486 # behaviour if the regexp was unable to match anything, since this
2487 # successfully parses the version number of existing supported
2488 # versions that require the converter (MSVC 2010 and 2012).
2489 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2490 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
ea9f7173 2491 cc_default="cl"
16381923
MS
2492 else
2493 cc_default="c99wrap cl"
2494 fi
ea9f7173 2495 ld_default="link"
aeeb782c 2496 nm_default="dumpbin -symbols"
ac3a9b51 2497 ar_default="lib"
53e8cd68 2498 target_os_default="win32"
ea9f7173
MS
2499 # Use a relative path for TMPDIR. This makes sure all the
2500 # ffconf temp files are written with a relative path, avoiding
2501 # issues with msys/win32 path conversion for MSVC parameters
2502 # such as -Fo<file> or -out:<file>.
2503 TMPDIR=.
aeeb782c 2504 ;;
322e4194 2505 icl)
ea9f7173
MS
2506 cc_default="icl"
2507 ld_default="xilink"
322e4194
AS
2508 nm_default="dumpbin -symbols"
2509 ar_default="xilib"
2510 target_os_default="win32"
ea9f7173 2511 TMPDIR=.
322e4194 2512 ;;
a862c7d3
RT
2513 gcov)
2514 add_cflags -fprofile-arcs -ftest-coverage
2515 add_ldflags -fprofile-arcs -ftest-coverage
2516 ;;
e7891305 2517 hardened)
7caf48e0 2518 add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all
e7891305
LB
2519 add_ldflags -Wl,-z,relro -Wl,-z,now
2520 ;;
aeeb782c
MR
2521 ?*)
2522 die "Unknown toolchain $toolchain"
2523 ;;
2524esac
2525
b1ee8eec 2526set_default arch cc pkg_config sysinclude target_exec target_os
9da6609f
MR
2527enabled cross_compile || host_cc_default=$cc
2528set_default host_cc
13c7df3d 2529
762f95e4
MR
2530if ! $pkg_config --version >/dev/null 2>&1; then
2531 warn "$pkg_config not found, library detection may fail."
2532 pkg_config=false
2533fi
2534
82bb3329
MR
2535exesuf() {
2536 case $1 in
53e8cd68 2537 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
82bb3329
MR
2538 esac
2539}
2540
2541EXESUF=$(exesuf $target_os)
2542HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 2543
e4e69e0b 2544# set temporary file name
a49d42c2 2545: ${TMPDIR:=$TEMPDIR}
c51fafa1 2546: ${TMPDIR:=$TMP}
a49d42c2 2547: ${TMPDIR:=/tmp}
e4e69e0b 2548
a210bce2 2549if ! check_cmd mktemp -u XXXXXX; then
54460a83
MR
2550 # simple replacement for missing mktemp
2551 # NOT SAFE FOR GENERAL USE
2552 mktemp(){
09a5c245 2553 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
54460a83
MR
2554 }
2555fi
2556
2557tmpfile(){
2558 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2559 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 2560 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
2561 append TMPFILES $tmp
2562 eval $1=$tmp
2563}
2564
2565trap 'rm -f -- $TMPFILES' EXIT
54460a83 2566
55127e7b 2567tmpfile TMPASM .asm
3e0b1c9a
DB
2568tmpfile TMPC .c
2569tmpfile TMPE $EXESUF
2570tmpfile TMPH .h
2571tmpfile TMPO .o
2572tmpfile TMPS .S
2573tmpfile TMPSH .sh
2574tmpfile TMPV .ver
54460a83
MR
2575
2576unset -f mktemp
e4e69e0b 2577
fb3c4ffc
MR
2578chmod +x $TMPE
2579
993f2d0f
MR
2580# make sure we can execute files in $TMPDIR
2581cat > $TMPSH 2>> $logfile <<EOF
2582#! /bin/sh
2583EOF
2584chmod +x $TMPSH >> $logfile 2>&1
2585if ! $TMPSH >> $logfile 2>&1; then
2586 cat <<EOF
2587Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2588variable to another directory and make sure that it is not mounted noexec.
2589EOF
2590 die "Sanity test failed."
2591fi
993f2d0f 2592
457cc333
MR
2593ccc_flags(){
2594 for flag; do
2595 case $flag in
2596 -std=c99) echo -c99 ;;
2597 -mcpu=*) echo -arch ${flag#*=} ;;
2598 -mieee) echo -ieee ;;
2599 -O*|-fast) echo $flag ;;
2600 -fno-math-errno) echo -assume nomath_errno ;;
2601 -g) echo -g3 ;;
2602 -Wall) echo -msg_enable level2 ;;
2603 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2604 -Wl,*) echo $flag ;;
2605 -f*|-W*) ;;
2606 *) echo $flag ;;
2607 esac
2608 done
2609}
2610
e5d45e02
LB
2611cparser_flags(){
2612 for flag; do
2613 case $flag in
2614 -Wno-switch) echo -Wno-switch-enum ;;
2615 -Wno-format-zero-length) ;;
2616 -Wdisabled-optimization) ;;
2617 -Wno-pointer-sign) echo -Wno-other ;;
2618 *) echo $flag ;;
2619 esac
2620 done
2621}
2622
14fb9d3d 2623msvc_common_flags(){
dfa559bc
RB
2624 for flag; do
2625 case $flag in
14fb9d3d
AS
2626 # In addition to specifying certain flags under the compiler
2627 # specific filters, they must be specified here as well or else the
2628 # generic catch all at the bottom will print the original flag.
2629 -Wall) ;;
2630 -std=c99) ;;
2631 # Common flags
9f4a16c5 2632 -fomit-frame-pointer) ;;
dfa559bc 2633 -g) echo -Z7 ;;
dfa559bc
RB
2634 -fno-math-errno) ;;
2635 -fno-common) ;;
2636 -fno-signed-zeros) ;;
50640977 2637 -fPIC) ;;
9f30fb5a
MS
2638 -mthumb) ;;
2639 -march=*) ;;
dfa559bc 2640 -lz) echo zlib.lib ;;
bd680c7b
DB
2641 -lavifil32) echo vfw32.lib ;;
2642 -lavicap32) echo vfw32.lib user32.lib ;;
dfa559bc
RB
2643 -l*) echo ${flag#-l}.lib ;;
2644 *) echo $flag ;;
2645 esac
2646 done
2647}
2648
14fb9d3d
AS
2649msvc_flags(){
2650 msvc_common_flags "$@"
2651 for flag; do
2652 case $flag in
ace87c19 2653 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
14fb9d3d
AS
2654 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2655 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
09f2581d 2656 -wd4273 ;;
14fb9d3d
AS
2657 esac
2658 done
2659}
2660
2661icl_flags(){
2662 msvc_common_flags "$@"
2663 for flag; do
2664 case $flag in
2665 # Despite what Intel's documentation says -Wall, which is supported
2666 # on Windows, does enable remarks so disable them here.
2667 -Wall) echo $flag -Qdiag-disable:remark ;;
2668 -std=c99) echo -Qstd=c99 ;;
2669 esac
2670 done
2671}
2672
d0c6d424
MR
2673pgi_flags(){
2674 for flag; do
2675 case $flag in
643933f5 2676 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
d0c6d424
MR
2677 -fomit-frame-pointer) echo -Mnoframe ;;
2678 -g) echo -gopt ;;
2679 *) echo $flag ;;
2680 esac
2681 done
2682}
2683
2684suncc_flags(){
2685 for flag; do
2686 case $flag in
2687 -march=*|-mcpu=*)
2688 case "${flag#*=}" in
2689 native) echo -xtarget=native ;;
2690 v9|niagara) echo -xarch=sparc ;;
2691 ultrasparc) echo -xarch=sparcvis ;;
2692 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2693 i586|pentium) echo -xchip=pentium ;;
2694 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2695 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2696 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2697 pentium4*) echo -xtarget=pentium4 ;;
2698 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2699 *-sse3) echo -xarch=sse3 ;;
2700 core2) echo -xarch=ssse3 -xchip=core2 ;;
f2ce813e
SM
2701 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2702 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
b36f87ff 2703 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
ace87c19 2704 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
d0c6d424 2705 k8|opteron|athlon64|athlon-fx)
ace87c19
DB
2706 echo -xarch=sse2a ;;
2707 athlon*) echo -xarch=pentium_proa ;;
d0c6d424
MR
2708 esac
2709 ;;
2710 -std=c99) echo -xc99 ;;
2711 -fomit-frame-pointer) echo -xregs=frameptr ;;
2712 -fPIC) echo -KPIC -xcode=pic32 ;;
2713 -W*,*) echo $flag ;;
5e753ed5
SM
2714 -f*-*|-W*|-mimpure-text) ;;
2715 -shared) echo -G ;;
d0c6d424
MR
2716 *) echo $flag ;;
2717 esac
2718 done
2719}
2720
2721tms470_flags(){
2722 for flag; do
2723 case $flag in
2724 -march=*|-mcpu=*)
2725 case "${flag#*=}" in
2726 armv7-a|cortex-a*) echo -mv=7a8 ;;
2727 armv7-r|cortex-r*) echo -mv=7r4 ;;
2728 armv7-m|cortex-m*) echo -mv=7m3 ;;
2729 armv6*|arm11*) echo -mv=6 ;;
2730 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2731 echo -mv=5e ;;
2732 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2733 esac
2734 ;;
2735 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2736 -mfpu=vfp) echo --float_support=vfpv2 ;;
2737 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
b5198a26 2738 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
d0c6d424
MR
2739 -msoft-float) echo --float_support=vfplib ;;
2740 -O[0-3]|-mf=*) echo $flag ;;
2741 -g) echo -g -mn ;;
2742 -pds=*) echo $flag ;;
ad93dccb
MR
2743 -D*|-I*) echo $flag ;;
2744 --gcc|--abi=*) echo $flag ;;
2745 -me) echo $flag ;;
d0c6d424
MR
2746 esac
2747 done
2748}
2749
a758c5e2
MR
2750probe_cc(){
2751 pfx=$1
2752 _cc=$2
2753
8db73c61
MR
2754 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2755 unset _ld_o _ldflags _ld_lib _ld_path
18031c49 2756 unset _depflags _DEPCMD _DEPFLAGS
a758c5e2
MR
2757 _flags_filter=echo
2758
2759 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2760 _type=llvm_gcc
2761 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2762 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2763 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2764 _cflags_speed='-O3'
2765 _cflags_size='-Os'
2766 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2767 _type=gcc
2768 gcc_version=$($_cc --version | head -n1)
2769 gcc_basever=$($_cc -dumpversion)
2770 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2771 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2772 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2773 if ! $_cc -dumpversion | grep -q '^2\.'; then
2774 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2775 fi
2776 _cflags_speed='-O3'
2777 _cflags_size='-Os'
b2d688ea 2778 elif $_cc --version 2>/dev/null | grep -q ^icc; then
a758c5e2
MR
2779 _type=icc
2780 _ident=$($_cc --version | head -n1)
2781 _depflags='-MMD'
2782 _cflags_speed='-O3'
2783 _cflags_size='-Os'
2784 _cflags_noopt='-O1'
2785 elif $_cc -v 2>&1 | grep -q xlc; then
2786 _type=xlc
2787 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2788 _cflags_speed='-O5'
2789 _cflags_size='-O5 -qcompact'
2790 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2791 _type=ccc
2792 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2793 _DEPFLAGS='-M'
a758c5e2
MR
2794 _cflags_speed='-fast'
2795 _cflags_size='-O1'
457cc333 2796 _flags_filter=ccc_flags
4936ef64 2797 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
a758c5e2
MR
2798 test -d "$sysroot" || die "No valid sysroot specified."
2799 _type=armcc
4936ef64 2800 _ident=$($_cc --vsn | head -n1 | sed 's/.*: //')
a758c5e2
MR
2801 armcc_conf="$PWD/armcc.conf"
2802 $_cc --arm_linux_configure \
2803 --arm_linux_config_file="$armcc_conf" \
2804 --configure_sysroot="$sysroot" \
2805 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2806 die "Error creating armcc configuration file."
2807 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2808 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2809 as_default="${cross_prefix}gcc"
2810 _depflags='-MMD'
2811 _cflags_speed='-O3'
2812 _cflags_size='-Os'
0122118e 2813 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
a758c5e2
MR
2814 _type=tms470
2815 _ident=$($_cc -version | head -n1 | tr -s ' ')
2816 _flags='--gcc --abi=eabi -me'
18031c49 2817 _cc_e='-ppl -fe=$@'
a758c5e2 2818 _cc_o='-fe=$@'
a758c5e2
MR
2819 _depflags='-ppa -ppd=$(@:.o=.d)'
2820 _cflags_speed='-O3 -mf=5'
2821 _cflags_size='-O3 -mf=2'
2822 _flags_filter=tms470_flags
2823 elif $_cc -v 2>&1 | grep -q clang; then
2824 _type=clang
2825 _ident=$($_cc --version | head -n1)
9e057f53 2826 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
a758c5e2
MR
2827 _cflags_speed='-O3'
2828 _cflags_size='-Os'
2829 elif $_cc -V 2>&1 | grep -q Sun; then
2830 _type=suncc
2831 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2832 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
c72f12cb 2833 _DEPFLAGS='-xM1 -xc99'
a758c5e2
MR
2834 _ldflags='-std=c99'
2835 _cflags_speed='-O5'
2836 _cflags_size='-O5 -xspace'
2837 _flags_filter=suncc_flags
2838 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2839 _type=pathscale
2840 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2841 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2842 _cflags_speed='-O2'
2843 _cflags_size='-Os'
2844 _flags_filter='filter_out -Wdisabled-optimization'
2845 elif $_cc -v 2>&1 | grep -q Open64; then
2846 _type=open64
2847 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2848 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2849 _cflags_speed='-O2'
2850 _cflags_size='-Os'
2851 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2852 elif $_cc -V 2>&1 | grep -q Portland; then
2853 _type=pgi
2854 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
8f23907f 2855 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
a758c5e2
MR
2856 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2857 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2858 _cflags_noopt="-O1"
2859 _flags_filter=pgi_flags
dfa559bc
RB
2860 elif $_cc 2>&1 | grep -q Microsoft; then
2861 _type=msvc
2862 _ident=$($cc 2>&1 | head -n1)
2863 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2864 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2865 _cflags_speed="-O2"
2866 _cflags_size="-O1"
dfa559bc 2867 if $_cc 2>&1 | grep -q Linker; then
ea9f7173 2868 _ld_o='-out:$@'
dfa559bc
RB
2869 else
2870 _ld_o='-Fe$@'
2871 fi
ea9f7173
MS
2872 _cc_o='-Fo$@'
2873 _cc_e='-P -Fi$@'
dfa559bc
RB
2874 _flags_filter=msvc_flags
2875 _ld_lib='lib%.a'
2876 _ld_path='-libpath:'
2877 _flags='-nologo'
09f2581d 2878 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
dfa559bc 2879 if [ $pfx = hostcc ]; then
6a0200f2 2880 append _cflags -Dsnprintf=_snprintf
dfa559bc 2881 fi
322e4194
AS
2882 elif $_cc 2>&1 | grep -q Intel; then
2883 _type=icl
2884 _ident=$($cc 2>&1 | head -n1)
2885 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
ace87c19
DB
2886 # Not only is O3 broken on 13.x+ but it is slower on all previous
2887 # versions (tested) as well.
322e4194
AS
2888 _cflags_speed="-O2"
2889 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
322e4194 2890 if $_cc 2>&1 | grep -q Linker; then
ea9f7173 2891 _ld_o='-out:$@'
322e4194
AS
2892 else
2893 _ld_o='-Fe$@'
2894 fi
ea9f7173 2895 _cc_o='-Fo$@'
322e4194 2896 _cc_e='-P'
14fb9d3d 2897 _flags_filter=icl_flags
322e4194
AS
2898 _ld_lib='lib%.a'
2899 _ld_path='-libpath:'
ace87c19 2900 # -Qdiag-error to make icl error when seeing certain unknown arguments
60f09c04 2901 _flags='-nologo -Qdiag-error:4044,10157'
ace87c19
DB
2902 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
2903 # with MSVC which enables it by default.
e0d6e2fc 2904 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
322e4194
AS
2905 if [ $pfx = hostcc ]; then
2906 append _cflags -Dsnprintf=_snprintf
2907 fi
e5d45e02
LB
2908 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
2909 _type=cparser
2910 _ident=$($_cc --version | head -n1)
2911 _depflags='-MMD'
2912 _cflags_speed='-O4'
2913 _cflags_size='-O2'
2914 _flags_filter=cparser_flags
aef6bd1b 2915 fi
a758c5e2
MR
2916
2917 eval ${pfx}_type=\$_type
2918 eval ${pfx}_ident=\$_ident
2919}
2920
2921set_ccvars(){
23565c26 2922 eval ${1}_C=\${_cc_c-\${${1}_C}}
18031c49 2923 eval ${1}_E=\${_cc_e-\${${1}_E}}
a758c5e2
MR
2924 eval ${1}_O=\${_cc_o-\${${1}_O}}
2925
2926 if [ -n "$_depflags" ]; then
2927 eval ${1}_DEPFLAGS=\$_depflags
2928 else
2929 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2930 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2931 eval DEP${1}FLAGS=\$_flags
2932 fi
2933}
2934
2935probe_cc cc "$cc"
2936cflags_filter=$_flags_filter
2937cflags_speed=$_cflags_speed
2938cflags_size=$_cflags_size
2939cflags_noopt=$_cflags_noopt
2940add_cflags $_flags $_cflags
2941cc_ldflags=$_ldflags
2942set_ccvars CC
2943
2944probe_cc hostcc "$host_cc"
2945host_cflags_filter=$_flags_filter
a758c5e2 2946add_host_cflags $_flags $_cflags
a758c5e2 2947set_ccvars HOSTCC
629687f6 2948
851ffa80
MR
2949test -n "$cc_type" && enable $cc_type ||
2950 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 2951
75bafbac 2952: ${as_default:=$cc}
50567afa 2953: ${dep_cc_default:=$cc}
684b28e0 2954: ${ld_default:=$cc}
095792f2
MR
2955: ${host_ld_default:=$host_cc}
2956set_default ar as dep_cc ld host_ld
75800dce 2957
a758c5e2
MR
2958probe_cc as "$as"
2959asflags_filter=$_flags_filter
2960add_asflags $_flags $_cflags
2961set_ccvars AS
2962
2963probe_cc ld "$ld"
2964ldflags_filter=$_flags_filter
2965add_ldflags $_flags $_ldflags
2966test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2763587c 2967LD_O=${_ld_o-$LD_O}
8db73c61
MR
2968LD_LIB=${_ld_lib-$LD_LIB}
2969LD_PATH=${_ld_path-$LD_PATH}
a758c5e2 2970
095792f2
MR
2971probe_cc hostld "$host_ld"
2972host_ldflags_filter=$_flags_filter
2973add_host_ldflags $_flags $_ldflags
2974HOSTLD_O=${_ld_o-$HOSTLD_O}
2975
a758c5e2
MR
2976if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2977 probe_cc depcc "$dep_cc"
2978 CCDEP=${_DEPCMD:-$DEPCMD}
2979 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2980 DEPCCFLAGS=$_flags
2981fi
07dec06e 2982
3dbc777c
MR
2983if $ar 2>&1 | grep -q Microsoft; then
2984 arflags="-nologo"
2985 ar_o='-out:$@'
2986elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2987 arflags="rq"
2988 ar_o='$@'
4822ee3c
DB
2989elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
2990 arflags='-Xany -r -c'
2991 ar_o='$@'
3dbc777c
MR
2992else
2993 arflags="rc"
2994 ar_o='$@'
2995fi
2996
7f32f40c 2997add_cflags $extra_cflags
2f2e6c7c 2998add_asflags $extra_cflags
7f32f40c 2999
154d432c
MR
3000if test -n "$sysroot"; then
3001 case "$cc_type" in
00ba041c 3002 gcc|llvm_gcc|clang)
467256f2 3003 add_cppflags --sysroot="$sysroot"
154d432c
MR
3004 add_ldflags --sysroot="$sysroot"
3005 ;;
6fec122a
MR
3006 tms470)
3007 add_cppflags -I"$sysinclude"
3008 add_ldflags --sysroot="$sysroot"
3009 ;;
154d432c
MR
3010 esac
3011fi
3012
d22c13a8 3013if test "$cpu" = host; then
ace87c19
DB
3014 enabled cross_compile &&
3015 die "--cpu=host makes no sense when cross-compiling."
d22c13a8
MR
3016
3017 case "$cc_type" in
613a4e3f 3018 gcc|llvm_gcc)
d22c13a8
MR
3019 check_native(){
3020 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
b695256e 3021 sed -n "/cc1.*$1=/{
27ce1be8
MR
3022 s/.*$1=\\([^ ]*\\).*/\\1/
3023 p
3024 q
3025 }" $TMPE
d22c13a8
MR
3026 }
3027 cpu=$(check_native -march || check_native -mcpu)
3028 ;;
3029 esac
3030
ace87c19
DB
3031 test "${cpu:-host}" = host &&
3032 die "--cpu=host not supported with compiler $cc"
d22c13a8
MR
3033fi
3034
e939cedd
MR
3035# Deal with common $arch aliases
3036case "$arch" in
5873b623
MR
3037 aarch64|arm64)
3038 arch="aarch64"
3039 ;;
e939cedd
MR
3040 arm*)
3041 arch="arm"
3042 ;;
2acda282 3043 mips*|IP*)
e939cedd
MR
3044 arch="mips"
3045 ;;
a6e9d649 3046 parisc*|hppa*)
e939cedd
MR
3047 arch="parisc"
3048 ;;
56203596 3049 "Power Macintosh"|ppc*|powerpc*)
e939cedd
MR
3050 arch="ppc"
3051 ;;
e939cedd
MR
3052 s390|s390x)
3053 arch="s390"
3054 ;;
3055 sh4|sh)
3056 arch="sh4"
3057 ;;
4cd217c0 3058 sun4u|sparc*)
e939cedd 3059 arch="sparc"
e939cedd 3060 ;;
c75848cd
DB
3061 tilegx|tile-gx)
3062 arch="tilegx"
3063 ;;
d33ed7b3 3064 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
e939cedd
MR
3065 arch="x86"
3066 ;;
3067esac
3068
851ffa80 3069is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 3070enable $arch
e939cedd 3071
df5cdc24 3072# Add processor-specific flags
9ebd45c2 3073if enabled aarch64; then
33db40f8
MR
3074
3075 case $cpu in
3076 armv*)
3077 cpuflags="-march=$cpu"
3078 ;;
3079 *)
3080 cpuflags="-mcpu=$cpu"
3081 ;;
3082 esac
3083
3084elif enabled alpha; then
3085
3086 cpuflags="-mcpu=$cpu"
3087
3088elif enabled arm; then
3089
1234c66a
MR
3090 check_arm_arch() {
3091 check_cpp_condition stddef.h \
3092 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3093 $cpuflags
3094 }
3095
3096 probe_arm_arch() {
3097 if check_arm_arch 4; then echo armv4;
3098 elif check_arm_arch 4T; then echo armv4t;
3099 elif check_arm_arch 5; then echo armv5;
3100 elif check_arm_arch 5E; then echo armv5e;
3101 elif check_arm_arch 5T; then echo armv5t;
3102 elif check_arm_arch 5TE; then echo armv5te;
3103 elif check_arm_arch 5TEJ; then echo armv5te;
3104 elif check_arm_arch 6; then echo armv6;
3105 elif check_arm_arch 6J; then echo armv6j;
3106 elif check_arm_arch 6K; then echo armv6k;
3107 elif check_arm_arch 6Z; then echo armv6z;
3108 elif check_arm_arch 6ZK; then echo armv6zk;
3109 elif check_arm_arch 6T2; then echo armv6t2;
3110 elif check_arm_arch 7; then echo armv7;
3111 elif check_arm_arch 7A 7_A; then echo armv7-a;
3112 elif check_arm_arch 7R 7_R; then echo armv7-r;
3113 elif check_arm_arch 7M 7_M; then echo armv7-m;
3114 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3115 elif check_arm_arch 8A 8_A; then echo armv8-a;
3116 fi
3117 }
3118
3119 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3120
33db40f8
MR
3121 case $cpu in
3122 armv*)
3123 cpuflags="-march=$cpu"
3124 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3125 ;;
3126 *)
3127 cpuflags="-mcpu=$cpu"
3128 case $cpu in
3129 cortex-a*) subarch=armv7a ;;
3130 cortex-r*) subarch=armv7r ;;
3131 cortex-m*) enable thumb; subarch=armv7m ;;
3132 arm11*) subarch=armv6 ;;
3133 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3134 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
1234c66a 3135 *) subarch=$(probe_arm_arch) ;;
33db40f8
MR
3136 esac
3137 ;;
3138 esac
3139
f0fe245b
MR
3140 case "$subarch" in
3141 armv5t*) enable fast_clz ;;
3142 armv[6-8]*) enable fast_clz fast_unaligned ;;
3143 esac
3144
33db40f8
MR
3145elif enabled avr32; then
3146
3147 case $cpu in
3148 ap7[02]0[0-2])
3149 subarch="avr32_ap"
3150 cpuflags="-mpart=$cpu"
3151 ;;
3152 ap)
3153 subarch="avr32_ap"
3154 cpuflags="-march=$cpu"
3155 ;;
3156 uc3[ab]*)
3157 subarch="avr32_uc"
3158 cpuflags="-mcpu=$cpu"
3159 ;;
3160 uc)
3161 subarch="avr32_uc"
3162 cpuflags="-march=$cpu"
3163 ;;
3164 esac
3165
3166elif enabled bfin; then
3167
3168 cpuflags="-mcpu=$cpu"
3169
3170elif enabled mips; then
3171
3172 cpuflags="-march=$cpu"
3173
5d54c126 3174elif enabled ppc; then
343aef9b 3175
606cc8af
DB
3176 disable ldbrx
3177
56348891
MR
3178 case $(tolower $cpu) in
3179 601|ppc601|powerpc601)
9dbd5c3d 3180 cpuflags="-mcpu=601"
64ad53ff 3181 disable altivec
9dbd5c3d 3182 ;;
56348891 3183 603*|ppc603*|powerpc603*)
9dbd5c3d 3184 cpuflags="-mcpu=603"
64ad53ff 3185 disable altivec
9dbd5c3d 3186 ;;
56348891 3187 604*|ppc604*|powerpc604*)
9dbd5c3d 3188 cpuflags="-mcpu=604"
64ad53ff 3189 disable altivec
9dbd5c3d 3190 ;;
56348891 3191 g3|75*|ppc75*|powerpc75*)
7f1fcaf0 3192 cpuflags="-mcpu=750"
64ad53ff 3193 disable altivec
9dbd5c3d 3194 ;;
56348891 3195 g4|745*|ppc745*|powerpc745*)
7f1fcaf0 3196 cpuflags="-mcpu=7450"
9dbd5c3d 3197 ;;
56348891 3198 74*|ppc74*|powerpc74*)
7f1fcaf0 3199 cpuflags="-mcpu=7400"
9dbd5c3d 3200 ;;
313f9fbf 3201 g5|970|ppc970|powerpc970)
7f1fcaf0 3202 cpuflags="-mcpu=970"
9dbd5c3d 3203 ;;
313f9fbf 3204 power[3-7]*)
7f1fcaf0 3205 cpuflags="-mcpu=$cpu"
313f9fbf 3206 ;;
56348891 3207 cell)
9dbd5c3d
MR
3208 cpuflags="-mcpu=cell"
3209 enable ldbrx
3210 ;;
4ab26cb4
DB
3211 e500mc)
3212 cpuflags="-mcpu=e500mc"
3213 disable altivec
3214 ;;
7b0b81a1
AL
3215 e500v2)
3216 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3217 disable altivec
54f78816 3218 disable dcbzl
7b0b81a1
AL
3219 ;;
3220 e500)
3221 cpuflags="-mcpu=8540 -mhard-float"
3222 disable altivec
54f78816 3223 disable dcbzl
7b0b81a1 3224 ;;
9dbd5c3d 3225 esac
343aef9b 3226
33db40f8
MR
3227elif enabled sparc; then
3228
3229 case $cpu in
3230 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3231 cpuflags="-mcpu=$cpu"
33db40f8
MR
3232 ;;
3233 ultrasparc*|niagara[234])
3234 cpuflags="-mcpu=$cpu"
3235 ;;
3236 esac
3237
343aef9b
MR
3238elif enabled x86; then
3239
9dbd5c3d
MR
3240 case $cpu in
3241 i[345]86|pentium)
3242 cpuflags="-march=$cpu"
3243 disable mmx
3244 ;;
f54b5505 3245 # targets that do NOT support nopl and conditional mov (cmov)
9dbd5c3d
MR
3246 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3247 cpuflags="-march=$cpu"
f54b5505 3248 disable i686
9dbd5c3d 3249 ;;
f54b5505 3250 # targets that do support nopl and conditional mov (cmov)
f2ce813e 3251 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
9dbd5c3d 3252 cpuflags="-march=$cpu"
f54b5505 3253 enable i686
9dbd5c3d
MR
3254 enable fast_cmov
3255 ;;
3256 # targets that do support conditional mov but on which it's slow
3257 pentium4|pentium4m|prescott|nocona)
3258 cpuflags="-march=$cpu"
f54b5505 3259 enable i686
9dbd5c3d
MR
3260 disable fast_cmov
3261 ;;
3262 esac
343aef9b 3263
343aef9b
MR
3264fi
3265
9ebd45c2
MR
3266if [ "$cpu" != generic ]; then
3267 add_cflags $cpuflags
3268 add_asflags $cpuflags
3269fi
df5cdc24 3270
993f2d0f
MR
3271# compiler sanity check
3272check_exec <<EOF
3273int main(void){ return 0; }
3274EOF
3275if test "$?" != 0; then
3276 echo "$cc is unable to create an executable file."
3277 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3278 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3279 echo "Only do this if you know what cross compiling means."
3280 fi
3281 die "C compiler test failed."
3282fi
3283
046f081b 3284add_cppflags -D_ISOC99_SOURCE
e9b9a2f8 3285check_cflags -std=c99
50a334e4 3286check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
3287#include <stdlib.h>
3288EOF
50a334e4 3289check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
3290#include <stdlib.h>
3291EOF
e9b9a2f8 3292
8267f936 3293add_host_cppflags -D_ISOC99_SOURCE
f0125de9 3294check_host_cflags -std=c99
0a6db2a2 3295check_host_cflags -Wall
8267f936 3296check_host_cflags -O3
f0125de9 3297
d4c99513
MR
3298check_64bit(){
3299 arch32=$1
3300 arch64=$2
3301 expr=$3
3302 check_code cc "" "int test[2*($expr) - 1]" &&
3303 subarch=$arch64 || subarch=$arch32
3304}
3305
b24dbcbd 3306case "$arch" in
d11cb13b 3307 aarch64|alpha|ia64)
2acda282
MR
3308 spic=$shared
3309 ;;
3310 mips)
3311 check_64bit mips mips64 '_MIPS_SIM > 1'
8a3c8627 3312 spic=$shared
b24dbcbd 3313 ;;
a6e9d649
MR
3314 parisc)
3315 check_64bit parisc parisc64 'sizeof(void *) > 4'
3316 spic=$shared
3317 ;;
56203596
MR
3318 ppc)
3319 check_64bit ppc ppc64 'sizeof(void *) > 4'
1944d532 3320 spic=$shared
56203596 3321 ;;
5ddc9f50
RT
3322 s390)
3323 check_64bit s390 s390x 'sizeof(void *) > 4'
3324 spic=$shared
3325 ;;
4cd217c0
MR
3326 sparc)
3327 check_64bit sparc sparc64 'sizeof(void *) > 4'
3328 spic=$shared
3329 ;;
e939cedd 3330 x86)
d4c99513 3331 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
de27f4d9 3332 if test "$subarch" = "x86_64"; then
e939cedd 3333 spic=$shared
de27f4d9 3334 fi
b24dbcbd 3335 ;;
b24dbcbd
RP
3336esac
3337
343aef9b 3338enable $subarch
b1803c79 3339enabled spic && enable_weak pic
b24dbcbd 3340
7483e694 3341# OS specific
4f854758 3342case $target_os in
d3635f3a 3343 aix)
80ade798 3344 SHFLAGS=-shared
d3635f3a 3345 add_cppflags '-I\$(SRC_PATH)/compat/aix'