libfdk-aacdec: Decode the first AAC frame to reliably identify the bitstream
[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
c67b449b 1534 bswapdsp
8ef33497 1535 cabac
b93b27ed 1536 dsputil
bfe9f48a 1537 gcrypt
478fd534 1538 golomb
9cad0e4e 1539 gplv3
0338c396 1540 h263dsp
478fd534
DB
1541 h264chroma
1542 h264dsp
1543 h264pred
915a2a0a 1544 h264qpel
68d8238c 1545 hpeldsp
478fd534 1546 huffman
0d439fbe 1547 huffyuvdsp
512f3ffe 1548 huffyuvencdsp
e3fcb143 1549 idctdsp
dc4d726b 1550 intrax8
9cad0e4e 1551 lgplv3
478fd534 1552 lpc
7b9ef8d7 1553 mpeg_er
1e164c0b 1554 mpegaudio
bfe9f48a 1555 mpegaudiodsp
18bbca1f 1556 mpegvideo
ad08dfd5 1557 mpegvideoenc
bfe9f48a 1558 nettle
368f5035 1559 qpeldsp
f704a079 1560 rangecoder
255d9c57 1561 riffdec
3dd5c95d 1562 riffenc
bfe9f48a 1563 rtpdec
5ad2f0bf 1564 rtpenc_chain
bfe9f48a 1565 sinewin
57f09608 1566 tpeldsp
8c53d39e 1567 videodsp
ab9f9876 1568 vp3dsp
b6bb00b0
MR
1569"
1570
520cc7f1 1571CMDLINE_SELECT="
3f5b56e5 1572 $ARCH_EXT_LIST
520cc7f1 1573 $CONFIG_LIST
fd712a55 1574 $HAVE_LIST_CMDLINE
8eee7025 1575 $THREADS_LIST
c8a4ae00 1576 asm
db6107b6 1577 cross_compile
520cc7f1
MR
1578 debug
1579 extra_warnings
8c6afa4d 1580 logging
65d12900 1581 lto
d2bbb2f7 1582 optimizations
520cc7f1 1583"
426be5dc 1584
7caf48e0 1585PATHS_LIST="
d156bede 1586 bindir
14a8acf1 1587 datadir
f4ca970d 1588 docdir
26759c44
MR
1589 incdir
1590 libdir
26759c44
MR
1591 mandir
1592 prefix
1593 shlibdir
7caf48e0 1594"
426be5dc
DB
1595
1596CMDLINE_SET="
1597 $PATHS_LIST
121d78d0 1598 ar
426be5dc 1599 arch
313c46a6 1600 as
426be5dc
DB
1601 build_suffix
1602 cc
1603 cpu
1604 cross_prefix
50567afa 1605 dep_cc
ac63af34 1606 extra_version
9da6609f
MR
1607 host_cc
1608 host_cflags
095792f2 1609 host_ld
9da6609f
MR
1610 host_ldflags
1611 host_libs
82bb3329 1612 host_os
684b28e0 1613 ld
426be5dc 1614 logfile
4ae40685 1615 malloc_prefix
89641463 1616 nm
9cd7b854 1617 optflags
3f8040db 1618 pkg_config
390acbea 1619 pkg_config_flags
154caa67 1620 random_seed
2fad0977 1621 samples
c5200f17
MR
1622 sysinclude
1623 sysroot
a7ada2ba 1624 target_exec
26759c44 1625 target_os
a7ada2ba 1626 target_path
ba13606c 1627 target_samples
aeeb782c 1628 toolchain
426be5dc 1629"
520cc7f1 1630
89f2932b
MR
1631CMDLINE_APPEND="
1632 extra_cflags
4cc4b33f 1633 host_cppflags
89f2932b
MR
1634"
1635
912f3148
DB
1636# code dependency declarations
1637
9eeed841 1638# architecture extensions
808fa33c 1639
a2fc0f6a
MR
1640armv5te_deps="arm"
1641armv6_deps="arm"
ab5cb084 1642armv6t2_deps="arm"
8675bcb0 1643armv8_deps="aarch64"
b7b17ed6
JG
1644neon_deps_any="aarch64 arm"
1645vfp_deps_any="aarch64 arm"
b3267559 1646vfpv3_deps="vfp"
808fa33c 1647
637606de
MR
1648map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1649
808fa33c
MR
1650altivec_deps="ppc"
1651ppc4xx_deps="ppc"
1652
84146963
DB
1653cpunop_deps="i686"
1654x86_64_select="i686"
1655x86_64_suggest="fast_cmov"
50cd43f2 1656
808fa33c
MR
1657amd3dnow_deps="mmx"
1658amd3dnowext_deps="amd3dnow"
fb87e69f 1659i686_deps="x86"
9eeed841 1660mmx_deps="x86"
239fdf1b 1661mmxext_deps="mmx"
50cd43f2
DB
1662sse_deps="mmxext"
1663sse2_deps="sse"
1664sse3_deps="sse2"
1665ssse3_deps="sse3"
1666sse4_deps="ssse3"
1667sse42_deps="sse4"
1668avx_deps="sse42"
10b0161d 1669xop_deps="avx"
1b932eb1 1670fma3_deps="avx"
79687079 1671fma4_deps="avx"
4d6ee072 1672avx2_deps="avx"
9eeed841 1673
43b73d59
DB
1674mmx_external_deps="yasm"
1675mmx_inline_deps="inline_asm"
1676mmx_suggest="mmx_external mmx_inline"
1677
84bf8817 1678for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
43b73d59
DB
1679 eval dep=\$${ext}_deps
1680 eval ${ext}_external_deps='"${dep}_external"'
1681 eval ${ext}_inline_deps='"${dep}_inline"'
1682 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1683done
1684
032d4da8
JG
1685aligned_stack_if_any="aarch64 ppc x86"
1686fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1687fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1688fast_unaligned_if_any="aarch64 ppc x86"
669b5583 1689
3e0b1c9a 1690need_memalign="altivec neon sse"
89e053f8 1691
1a5fdf95
DB
1692# system capabilities
1693log2_deps="!libc_msvcrt"
1694
b462d132
MR
1695symver_if_any="symver_asm_label symver_gnu_asm"
1696
8558595a
DB
1697# threading support
1698atomics_gcc_if="sync_val_compare_and_swap"
1699atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1700atomics_win32_if="MemoryBarrier"
1701atomics_native_if_any="$ATOMICS_LIST"
874c751c 1702w32threads_deps="atomics_native"
8558595a
DB
1703threads_if_any="$THREADS_LIST"
1704
26fbcc85 1705# subsystems
dc609252 1706dct_select="rdft"
e3fcb143 1707dsputil_select="idctdsp"
b93b27ed 1708error_resilience_select="dsputil"
fbf4d219 1709intrax8_select="error_resilience"
26fbcc85
MR
1710mdct_select="fft"
1711rdft_select="fft"
7b9ef8d7 1712mpeg_er_select="error_resilience"
1e164c0b 1713mpegaudio_select="mpegaudiodsp"
c4f5c2d6 1714mpegaudiodsp_select="dct"
e3fcb143 1715mpegvideo_select="blockdsp dsputil hpeldsp idctdsp videodsp"
368f5035 1716mpegvideoenc_select="dsputil mpegvideo qpeldsp"
26fbcc85 1717
ed40b6bf 1718# decoders / encoders
cfc2a0cf 1719aac_decoder_select="mdct sinewin"
aa11cb79 1720aac_encoder_select="audio_frame_queue mdct sinewin"
136e19e1 1721aac_latm_decoder_select="aac_decoder aac_latm_parser"
c67b449b 1722ac3_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
9a9e2f1c
DB
1723ac3_encoder_select="ac3dsp audiodsp dsputil mdct"
1724ac3_fixed_encoder_select="ac3dsp audiodsp dsputil mdct"
e3fcb143 1725aic_decoder_select="golomb idctdsp"
f4d608e3 1726alac_encoder_select="lpc"
c67b449b 1727als_decoder_select="bswapdsp"
b781cc12 1728amrnb_decoder_select="lsp"
2b2a597e 1729amrwb_decoder_select="lsp"
0a36988e 1730amv_decoder_select="sp5x_decoder"
c67b449b 1731ape_decoder_select="bswapdsp"
e3fcb143 1732asv1_decoder_select="blockdsp bswapdsp idctdsp"
c67b449b 1733asv1_encoder_select="bswapdsp dsputil"
e3fcb143 1734asv2_decoder_select="blockdsp bswapdsp idctdsp"
c67b449b 1735asv2_encoder_select="bswapdsp dsputil"
4538729a 1736atrac1_decoder_select="mdct sinewin"
26fbcc85 1737atrac3_decoder_select="mdct"
e6f0bb65 1738atrac3p_decoder_select="mdct sinewin"
e74433a8 1739bink_decoder_select="blockdsp hpeldsp"
a33657ce
DB
1740binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1741binkaudio_rdft_decoder_select="mdct rdft sinewin"
e3fcb143 1742cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
c67b449b 1743cllc_decoder_select="bswapdsp"
9b500b8f 1744comfortnoise_encoder_select="lpc"
9a9e2f1c 1745cook_decoder_select="audiodsp mdct sinewin"
2a91ada8 1746cscd_decoder_select="lzo"
2eef7c62 1747cscd_decoder_suggest="zlib"
26fbcc85 1748dca_decoder_select="mdct"
e3fcb143
DB
1749dnxhd_decoder_select="blockdsp idctdsp"
1750dnxhd_encoder_select="aandcttables blockdsp dsputil idctdsp mpegvideoenc"
1751dvvideo_decoder_select="idctdsp"
b93b27ed 1752dvvideo_encoder_select="dsputil"
61c31e4e 1753dxa_decoder_deps="zlib"
baf91bb9 1754eac3_decoder_select="ac3_decoder"
4264a0dd 1755eac3_encoder_select="ac3_encoder"
e3fcb143
DB
1756eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
1757eatgq_decoder_select="aandcttables idctdsp"
1758eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
38389058 1759exr_decoder_deps="zlib"
cd832f03
DB
1760ffv1_decoder_select="golomb rangecoder"
1761ffv1_encoder_select="rangecoder"
2f02bbcc
DB
1762ffvhuff_decoder_select="huffyuv_decoder"
1763ffvhuff_encoder_select="huffyuv_encoder"
93e15a32 1764fic_decoder_select="golomb"
4f034993 1765flac_decoder_select="golomb"
c67b449b 1766flac_encoder_select="bswapdsp golomb lpc"
61c31e4e
DB
1767flashsv_decoder_deps="zlib"
1768flashsv_encoder_deps="zlib"
1769flashsv2_decoder_deps="zlib"
4414137e 1770flv_decoder_select="h263_decoder"
4d4b4bd1 1771flv_encoder_select="h263_encoder"
c67b449b
DB
1772fourxm_decoder_select="blockdsp bswapdsp"
1773fraps_decoder_select="bswapdsp huffman"
61c31e4e 1774g2m_decoder_deps="zlib"
e3fcb143 1775g2m_decoder_select="blockdsp idctdsp"
7b9ef8d7 1776h261_decoder_select="mpeg_er mpegvideo"
ad08dfd5 1777h261_encoder_select="aandcttables mpegvideoenc"
7b9ef8d7 1778h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
0338c396 1779h263_encoder_select="aandcttables h263dsp mpegvideoenc"
4414137e 1780h263i_decoder_select="h263_decoder"
fe629c2d 1781h263p_encoder_select="h263_encoder"
8ef33497 1782h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel videodsp"
0b499c9b 1783h264_decoder_suggest="error_resilience"
c67b449b
DB
1784hevc_decoder_select="bswapdsp cabac golomb videodsp"
1785huffyuv_decoder_select="bswapdsp huffyuvdsp"
1786huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
34150be5 1787iac_decoder_select="imc_decoder"
c67b449b 1788imc_decoder_select="bswapdsp fft mdct sinewin"
8f992dc8 1789indeo3_decoder_select="hpeldsp"
8071264f 1790interplay_video_decoder_select="hpeldsp"
8e0cf39f 1791jpegls_decoder_select="golomb mjpeg_decoder"
4f034993 1792jpegls_encoder_select="golomb"
e74433a8 1793jv_decoder_select="blockdsp"
0d439fbe 1794lagarith_decoder_select="huffyuvdsp"
e3fcb143 1795ljpeg_encoder_select="aandcttables idctdsp"
4f034993 1796loco_decoder_select="golomb"
e3fcb143 1797mdec_decoder_select="blockdsp idctdsp mpegvideo"
3e589878 1798metasound_decoder_select="lsp mdct sinewin"
e3fcb143
DB
1799mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
1800mjpeg_decoder_select="blockdsp hpeldsp idctdsp"
6cd76e54 1801mjpeg_encoder_select="aandcttables mpegvideoenc"
7caf48e0 1802mjpegb_decoder_select="mjpeg_decoder"
9ecf1b62 1803mlp_decoder_select="mlp_parser"
c67b449b 1804motionpixels_decoder_select="bswapdsp"
1e164c0b
DB
1805mp1_decoder_select="mpegaudio"
1806mp1float_decoder_select="mpegaudio"
1807mp2_decoder_select="mpegaudio"
1808mp2float_decoder_select="mpegaudio"
1809mp3_decoder_select="mpegaudio"
1810mp3adu_decoder_select="mpegaudio"
1811mp3adufloat_decoder_select="mpegaudio"
1812mp3float_decoder_select="mpegaudio"
1813mp3on4_decoder_select="mpegaudio"
1814mp3on4float_decoder_select="mpegaudio"
c67b449b 1815mpc7_decoder_select="bswapdsp mpegaudiodsp"
88b24064 1816mpc8_decoder_select="mpegaudiodsp"
3e0b1c9a 1817mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
d767e2f9 1818mpeg_xvmc_decoder_select="mpeg2video_decoder"
7b9ef8d7 1819mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
06b54e84 1820mpeg1video_encoder_select="aandcttables mpegvideoenc"
7b9ef8d7 1821mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
06b54e84 1822mpeg2video_encoder_select="aandcttables mpegvideoenc"
3e0b1c9a
DB
1823mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1824mpeg4_encoder_select="h263_encoder"
4414137e 1825msmpeg4v1_decoder_select="h263_decoder"
4414137e 1826msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1827msmpeg4v2_encoder_select="h263_encoder"
4414137e 1828msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1829msmpeg4v3_encoder_select="h263_encoder"
7b9ef8d7 1830mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
8e0cf39f 1831mxpeg_decoder_select="mjpeg_decoder"
4538729a 1832nellymoser_decoder_select="mdct sinewin"
aa11cb79 1833nellymoser_encoder_select="audio_frame_queue mdct sinewin"
e3fcb143 1834nuv_decoder_select="idctdsp lzo"
e2834567 1835on2avc_decoder_select="mdct"
b70d7a4a 1836opus_decoder_deps="avresample"
61c31e4e 1837png_decoder_deps="zlib"
61c31e4e 1838png_encoder_deps="zlib"
512f3ffe 1839png_encoder_select="huffyuvencdsp"
e3fcb143 1840prores_decoder_select="idctdsp"
b93b27ed 1841prores_encoder_select="dsputil"
b781cc12 1842qcelp_decoder_select="lsp"
c4f5c2d6 1843qdm2_decoder_select="mdct rdft mpegaudiodsp"
aa11cb79 1844ra_144_encoder_select="audio_frame_queue lpc"
9f43fdda 1845ralf_decoder_select="golomb"
7b9ef8d7 1846rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
b2bf38b4 1847rv10_encoder_select="h263_encoder"
7b9ef8d7 1848rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
b2bf38b4 1849rv20_encoder_select="h263_encoder"
7b9ef8d7
DB
1850rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
1851rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
4f034993 1852shorten_decoder_select="golomb"
b781cc12 1853sipr_decoder_select="lsp"
8e0cf39f 1854sp5x_decoder_select="mjpeg_decoder"
6caa44aa 1855svq1_decoder_select="hpeldsp"
1277dc07 1856svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
57f09608 1857svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
d48430c3 1858svq3_decoder_suggest="zlib"
9a9e2f1c 1859tak_decoder_select="audiodsp"
4eef77c1 1860theora_decoder_select="vp3_decoder"
7caf48e0 1861thp_decoder_select="mjpeg_decoder"
2eef7c62
AJ
1862tiff_decoder_suggest="zlib"
1863tiff_encoder_suggest="zlib"
aec09a00 1864truehd_decoder_select="mlp_decoder"
c67b449b
DB
1865truemotion2_decoder_select="bswapdsp"
1866truespeech_decoder_select="bswapdsp"
61c31e4e 1867tscc_decoder_deps="zlib"
4538729a 1868twinvq_decoder_select="mdct lsp sinewin"
c67b449b
DB
1869utvideo_decoder_select="bswapdsp"
1870utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
0d439fbe 1871vble_decoder_select="huffyuvdsp"
7b9ef8d7 1872vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp"
45ecda85 1873vc1image_decoder_select="vc1_decoder"
26fbcc85
MR
1874vorbis_decoder_select="mdct"
1875vorbis_encoder_select="mdct"
3bd062bf 1876vp3_decoder_select="hpeldsp vp3dsp videodsp"
cb7ecb75
RB
1877vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
1878vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
e82dc4c9
DB
1879vp6a_decoder_select="vp6_decoder"
1880vp6f_decoder_select="vp6_decoder"
ac4b32df 1881vp7_decoder_select="h264pred videodsp"
8c53d39e 1882vp8_decoder_select="h264pred videodsp"
72ca830f 1883vp9_decoder_select="videodsp"
c4bfa098 1884webp_decoder_select="vp8_decoder"
4538729a
MR
1885wmapro_decoder_select="mdct sinewin"
1886wmav1_decoder_select="mdct sinewin"
1887wmav1_encoder_select="mdct sinewin"
1888wmav2_decoder_select="mdct sinewin"
1889wmav2_encoder_select="mdct sinewin"
1890wmavoice_decoder_select="lsp rdft dct mdct sinewin"
f95bfab0 1891wmv1_decoder_select="h263_decoder"
665507aa 1892wmv1_encoder_select="h263_encoder"
e3fcb143 1893wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp"
1746e2a9 1894wmv2_encoder_select="h263_encoder"
015f8ee0 1895wmv3_decoder_select="vc1_decoder"
45ecda85 1896wmv3image_decoder_select="wmv3_decoder"
61c31e4e
DB
1897zerocodec_decoder_deps="zlib"
1898zlib_decoder_deps="zlib"
1899zlib_encoder_deps="zlib"
1900zmbv_decoder_deps="zlib"
1901zmbv_encoder_deps="zlib"
30fd06be 1902
ed40b6bf 1903# hardware accelerators
215cdd35 1904dxva2_deps="dxva2api_h"
0afab17e 1905vaapi_deps="va_va_h"
ac3dbb4d 1906vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
9840130e 1907vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
c89c96e9
MR
1908vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1909
82ca17ac
DB
1910h263_vaapi_hwaccel_deps="vaapi"
1911h263_vaapi_hwaccel_select="h263_decoder"
1912h263_vdpau_hwaccel_deps="vdpau"
1913h263_vdpau_hwaccel_select="h263_decoder"
215cdd35
DB
1914h264_dxva2_hwaccel_deps="dxva2"
1915h264_dxva2_hwaccel_select="h264_decoder"
82ca17ac
DB
1916h264_vaapi_hwaccel_deps="vaapi"
1917h264_vaapi_hwaccel_select="h264_decoder"
1918h264_vda_hwaccel_deps="vda"
1919h264_vda_hwaccel_select="h264_decoder"
67afcefb
AK
1920h264_vda_old_hwaccel_deps="vda"
1921h264_vda_old_hwaccel_select="h264_decoder"
82ca17ac
DB
1922h264_vdpau_hwaccel_deps="vdpau"
1923h264_vdpau_hwaccel_select="h264_decoder"
82ca17ac
DB
1924mpeg1_vdpau_hwaccel_deps="vdpau"
1925mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
215cdd35
DB
1926mpeg2_dxva2_hwaccel_deps="dxva2"
1927mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
82ca17ac
DB
1928mpeg2_vaapi_hwaccel_deps="vaapi"
1929mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
1930mpeg2_vdpau_hwaccel_deps="vdpau"
1931mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
1932mpeg4_vaapi_hwaccel_deps="vaapi"
1933mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
82ca17ac
DB
1934mpeg4_vdpau_hwaccel_deps="vdpau"
1935mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
215cdd35
DB
1936vc1_dxva2_hwaccel_deps="dxva2"
1937vc1_dxva2_hwaccel_select="vc1_decoder"
82ca17ac
DB
1938vc1_vaapi_hwaccel_deps="vaapi"
1939vc1_vaapi_hwaccel_select="vc1_decoder"
82ca17ac
DB
1940vc1_vdpau_hwaccel_deps="vdpau"
1941vc1_vdpau_hwaccel_select="vc1_decoder"
ed40b6bf
DB
1942wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1943wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
77525327 1944wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
ed40b6bf 1945
28b80940 1946# parsers
fb7127b2 1947h264_parser_select="h264_decoder"
a6a675a7 1948mpegvideo_parser_select="mpegvideo"
7b9ef8d7 1949mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
06b54e84 1950vc1_parser_select="mpegvideo"
28b80940 1951
912f3148 1952# external libraries
c9171a83 1953libfaac_encoder_deps="libfaac"
aa11cb79 1954libfaac_encoder_select="audio_frame_queue"
4f2b469d 1955libfdk_aac_decoder_deps="libfdk_aac"
37eeb5e2 1956libfdk_aac_encoder_deps="libfdk_aac"
aa11cb79 1957libfdk_aac_encoder_select="audio_frame_queue"
299c77d5
MR
1958libgsm_decoder_deps="libgsm"
1959libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1960libgsm_ms_decoder_deps="libgsm"
1961libgsm_ms_encoder_deps="libgsm"
3641b048
MS
1962libilbc_decoder_deps="libilbc"
1963libilbc_encoder_deps="libilbc"
1cc60c47 1964libmp3lame_encoder_deps="libmp3lame"
aa11cb79 1965libmp3lame_encoder_select="audio_frame_queue"
0b175caa
DB
1966libopencore_amrnb_decoder_deps="libopencore_amrnb"
1967libopencore_amrnb_encoder_deps="libopencore_amrnb"
aa11cb79 1968libopencore_amrnb_encoder_select="audio_frame_queue"
0b175caa 1969libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1970libopenjpeg_decoder_deps="libopenjpeg"
453c02f9 1971libopenjpeg_encoder_deps="libopenjpeg"
44617d6e 1972libopus_decoder_deps="libopus"
6cb8c854 1973libopus_encoder_deps="libopus"
aa11cb79 1974libopus_encoder_select="audio_frame_queue"
f7cd9eed
AS
1975libschroedinger_decoder_deps="libschroedinger"
1976libschroedinger_encoder_deps="libschroedinger"
ae14f311 1977libspeex_decoder_deps="libspeex"
b606a017 1978libspeex_encoder_deps="libspeex"
aa11cb79 1979libspeex_encoder_select="audio_frame_queue"
150d2772 1980libtheora_encoder_deps="libtheora"
718907cd 1981libtwolame_encoder_deps="libtwolame"
d89e738a 1982libvo_aacenc_encoder_deps="libvo_aacenc"
aa11cb79 1983libvo_aacenc_encoder_select="audio_frame_queue"
f502ff3f 1984libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
b0caf888 1985libvorbis_encoder_deps="libvorbis"
aa11cb79 1986libvorbis_encoder_select="audio_frame_queue"
3f111804
LB
1987libvpx_vp8_decoder_deps="libvpx"
1988libvpx_vp8_encoder_deps="libvpx"
1989libvpx_vp9_decoder_deps="libvpx"
1990libvpx_vp9_encoder_deps="libvpx"
84d3ff50 1991libwavpack_encoder_deps="libwavpack"
be7c3231 1992libwebp_encoder_deps="libwebp"
1cc60c47 1993libx264_encoder_deps="libx264"
50ea9315 1994libx265_encoder_deps="libx265"
de295976 1995libxavs_encoder_deps="libxavs"
1cc60c47 1996libxvid_encoder_deps="libxvid"
30fd06be 1997
912f3148 1998# demuxers / muxers
c2dd0e9e 1999ac3_demuxer_select="ac3_parser"
255d9c57 2000asf_demuxer_select="riffdec"
3dd5c95d 2001asf_muxer_select="riffenc"
647c2356 2002asf_stream_muxer_select="asf_muxer"
255d9c57 2003avi_demuxer_select="riffdec"
3dd5c95d 2004avi_muxer_select="riffenc"
4e622dea 2005avisynth_demuxer_deps="avisynth"
255d9c57
DB
2006avisynth_demuxer_select="riffdec"
2007caf_demuxer_select="riffdec"
c2dd0e9e 2008dirac_demuxer_select="dirac_parser"
255d9c57 2009dxa_demuxer_select="riffdec"
5b423887 2010eac3_demuxer_select="ac3_parser"
e01fba55 2011f4v_muxer_select="mov_muxer"
c2dd0e9e 2012flac_demuxer_select="flac_parser"
435214a7 2013hds_muxer_select="flv_muxer"
c9031c7c 2014hls_muxer_select="mpegts_muxer"
647c2356 2015ipod_muxer_select="mov_muxer"
31f16dc1 2016ismv_muxer_select="mov_muxer"
647c2356 2017matroska_audio_muxer_select="matroska_muxer"
255d9c57 2018matroska_demuxer_select="riffdec"
2a91ada8 2019matroska_demuxer_suggest="bzlib lzo zlib"
3dd5c95d
DB
2020matroska_muxer_select="riffenc"
2021mmf_muxer_select="riffenc"
255d9c57 2022mov_demuxer_select="riffdec"
4e622dea 2023mov_demuxer_suggest="zlib"
3dd5c95d 2024mov_muxer_select="riffenc rtpenc_chain"
c2dd0e9e 2025mp3_demuxer_select="mpegaudio_parser"
647c2356 2026mp4_muxer_select="mov_muxer"
75644335 2027mpegts_muxer_select="adts_muxer latm_muxer"
647c2356
DB
2028mpegtsraw_demuxer_select="mpegts_demuxer"
2029mxf_d10_muxer_select="mxf_muxer"
3dd5c95d 2030nut_muxer_select="riffenc"
255d9c57 2031nuv_demuxer_select="riffdec"
24ca518b 2032ogg_demuxer_select="golomb"
647c2356 2033psp_muxer_select="mov_muxer"
44594cc7 2034rtp_demuxer_select="sdp_demuxer"
44b70ce5
MS
2035rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2036rtsp_demuxer_select="http_protocol rtpdec"
5ad2f0bf 2037rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
01c8d258 2038sap_demuxer_select="sdp_demuxer"
5ad2f0bf 2039sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
44b70ce5 2040sdp_demuxer_select="rtpdec"
e772f9fa 2041smoothstreaming_muxer_select="ismv_muxer"
f1e94694 2042spdif_muxer_select="aac_parser"
57231e4d 2043tak_demuxer_select="tak_parser"
647c2356
DB
2044tg2_muxer_select="mov_muxer"
2045tgp_muxer_select="mov_muxer"
a7d45e06 2046w64_demuxer_select="wav_demuxer"
255d9c57 2047wav_demuxer_select="riffdec"
3dd5c95d
DB
2048wav_muxer_select="riffenc"
2049webm_muxer_select="riffenc"
255d9c57
DB
2050wtv_demuxer_select="riffdec"
2051xmv_demuxer_select="riffdec"
2052xwma_demuxer_select="riffdec"
4e622dea
SS
2053
2054# indevs / outdevs
38e54a75 2055alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
38e54a75 2056alsa_outdev_deps="alsa_asoundlib_h"
38e54a75 2057bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
6fb65973
DB
2058dv1394_indev_deps="dv1394"
2059dv1394_indev_select="dv_demuxer"
c6f95144 2060fbdev_indev_deps="linux_fb_h"
a3fc62e8 2061jack_indev_deps="jack_jack_h pthreads"
e417d80d 2062libcdio_indev_deps="libcdio"
38e54a75 2063libdc1394_indev_deps="libdc1394"
38e54a75
SS
2064oss_indev_deps_any="soundcard_h sys_soundcard_h"
2065oss_outdev_deps_any="soundcard_h sys_soundcard_h"
0de9c41f 2066pulse_indev_deps="libpulse"
15d59d2c
B
2067sndio_indev_deps="sndio_h"
2068sndio_outdev_deps="sndio_h"
38e54a75 2069v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
ec1ee802 2070vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
a1b3c5a3 2071vfwcap_indev_extralibs="-lavicap32"
24f8961f 2072x11grab_indev_deps="x11grab XShmCreateImage"
30fd06be 2073
912f3148 2074# protocols
acd554c1
SP
2075ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2076ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2077ffrtmpcrypt_protocol_select="tcp_protocol"
775c4d36
SP
2078ffrtmphttp_protocol_deps="!librtmp_protocol"
2079ffrtmphttp_protocol_select="http_protocol"
998c1ee1 2080gopher_protocol_select="network"
279a0c97 2081http_protocol_select="tcp_protocol"
7caf48e0 2082httpproxy_protocol_select="tcp_protocol"
183baead 2083https_protocol_select="tls_protocol"
c3b57d6e
DB
2084librtmp_protocol_deps="librtmp"
2085librtmpe_protocol_deps="librtmp"
2086librtmps_protocol_deps="librtmp"
2087librtmpt_protocol_deps="librtmp"
2088librtmpte_protocol_deps="librtmp"
c60a2d70 2089mmsh_protocol_select="http_protocol"
998c1ee1 2090mmst_protocol_select="network"
c3b57d6e 2091rtmp_protocol_deps="!librtmp_protocol"
deeb7012 2092rtmp_protocol_select="tcp_protocol"
acd554c1 2093rtmpe_protocol_select="ffrtmpcrypt_protocol"
6aedabc9
SP
2094rtmps_protocol_deps="!librtmp_protocol"
2095rtmps_protocol_select="tls_protocol"
775c4d36 2096rtmpt_protocol_select="ffrtmphttp_protocol"
08cd95e8 2097rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
6c1ed454 2098rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
deeb7012 2099rtp_protocol_select="udp_protocol"
998c1ee1
DB
2100sctp_protocol_deps="struct_sctp_event_subscribe"
2101sctp_protocol_select="network"
0eecafc9 2102srtp_protocol_select="rtp_protocol"
998c1ee1 2103tcp_protocol_select="network"
558d192d
MS
2104tls_protocol_deps_any="openssl gnutls"
2105tls_protocol_select="tcp_protocol"
998c1ee1 2106udp_protocol_select="network"
60538758
LB
2107unix_protocol_deps="sys_un_h"
2108unix_protocol_select="network"
c08fb000 2109
6ebf0bfc 2110# filters
13fabd7a 2111blackframe_filter_deps="gpl"
ce6b6ef6 2112boxblur_filter_deps="gpl"
1c0210c7 2113bs2b_filter_deps="libbs2b"
68b79bfc 2114cropdetect_filter_deps="gpl"
b157be1f 2115delogo_filter_deps="gpl"
a5b64584 2116drawtext_filter_deps="libfreetype"
61b323ce 2117frei0r_filter_deps="frei0r dlopen"
cfec77aa 2118frei0r_filter_extralibs='$ldl'
61b323ce 2119frei0r_src_filter_deps="frei0r dlopen"
cfec77aa 2120frei0r_src_filter_extralibs='$ldl'
a4dc7aa5 2121hqdn3d_filter_deps="gpl"
3fce1367 2122interlace_filter_deps="gpl"
cf69ad35 2123ocv_filter_deps="libopencv"
7caf48e0 2124resample_filter_deps="avresample"
2f296e39 2125scale_filter_deps="swscale"
6ebf0bfc 2126
ab81f24a 2127# examples
b339182e 2128avcodec_example_deps="avcodec avutil"
e7dfaf16 2129filter_audio_example_deps="avfilter avutil"
b339182e 2130metadata_example_deps="avformat avutil"
ab81f24a 2131output_example_deps="avcodec avformat avutil swscale"
10421bcf 2132transcode_aac_example_deps="avcodec avformat avresample"
ab81f24a 2133
44951174 2134# libraries, in linking order
d89f2fa9 2135avcodec_deps="avutil"
44951174 2136avdevice_deps="avformat avcodec avutil"
d89f2fa9 2137avfilter_deps="avutil"
44951174 2138avformat_deps="avcodec avutil"
d89f2fa9
DB
2139avresample_deps="avutil"
2140swscale_deps="avutil"
f7679c54 2141
912f3148 2142# programs
54fd593a 2143avconv_deps="avcodec avfilter avformat avresample swscale"
bce70f81 2144avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
0a0e340f 2145 fps_filter null_filter resample_filter scale_filter
bce70f81 2146 setpts_filter trim_filter"
d173ede1 2147avplay_deps="avcodec avformat avresample swscale sdl"
d2617193 2148avplay_libs='$sdl_libs'
266463da 2149avplay_select="rdft"
9e12f0bf 2150avprobe_deps="avcodec avformat"
a2830dca 2151
4da3f410 2152# documentation
92f0abb2 2153pod2man_deps="doc"
4da3f410
DB
2154texi2html_deps="doc"
2155
de6d9b64 2156# default parameters
8a608357 2157
19bd477d 2158logfile="config.log"
8a608357
MR
2159
2160# installation paths
c9d19248
MR
2161prefix_default="/usr/local"
2162bindir_default='${prefix}/bin'
6291d7e4 2163datadir_default='${prefix}/share/avconv'
f4ca970d 2164docdir_default='${prefix}/share/doc/libav'
c9d19248
MR
2165incdir_default='${prefix}/include'
2166libdir_default='${prefix}/lib'
2167mandir_default='${prefix}/share/man'
2168shlibdir_default="$libdir_default"
8a608357
MR
2169
2170# toolchain
121d78d0 2171ar_default="ar"
13c7df3d 2172cc_default="gcc"
9da6609f 2173host_cc_default="gcc"
4ebc6a74 2174cp_f="cp -f"
b58b00ae 2175ln_s="ln -s -f"
2a8a860a 2176nm_default="nm -g"
11e6d03a 2177objformat="elf"
3f8040db 2178pkg_config_default=pkg-config
be7109c1 2179ranlib="ranlib"
e52567c2 2180strip="strip"
11e6d03a 2181yasmexe="yasm"
8a608357 2182
3e0b1c9a 2183nogas=":"
8182dc34 2184
8a608357 2185# machine
8d4c00ed 2186arch_default=$(uname -m)
38d0a8aa 2187cpu="generic"
8a608357 2188
8a608357 2189# OS
8d4c00ed
MR
2190target_os_default=$(tolower $(uname -s))
2191host_os=$target_os_default
8a608357 2192
8a608357 2193# configurable options
ab81f24a 2194enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
3e0b1c9a 2195
3e0b1c9a
DB
2196enable asm
2197enable debug
2198enable doc
8400d6b8 2199enable optimizations
8cfbbd92 2200enable safe_bitstream_reader
530dc538 2201enable static
a9ddb5b1 2202enable swscale_alpha
8a608357 2203
2e2ec667
DB
2204# By default, enable only those hwaccels that have no external dependencies.
2205enable dxva2 vdpau
2206
8a608357 2207# build settings
9987769a 2208SHFLAGS='-shared -Wl,-soname,$$(@F)'
f3ec2d46
SG
2209LIBPREF="lib"
2210LIBSUF=".a"
c5f14466
RP
2211FULLNAME='$(NAME)$(BUILDSUF)'
2212LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
2213SLIBPREF="lib"
2214SLIBSUF=".so"
c5f14466 2215SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
2216SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2217SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 2218LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2f138f0b
MR
2219SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2220SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
ef0bc4c9 2221
68485d1f
MR
2222asflags_filter=echo
2223cflags_filter=echo
64933b6c
MR
2224ldflags_filter=echo
2225
23565c26 2226AS_C='-c'
bc877faf 2227AS_O='-o $@'
23565c26 2228CC_C='-c'
18031c49 2229CC_E='-E -o $@'
7e6c86e6 2230CC_O='-o $@'
a758c5e2 2231LD_O='-o $@'
8db73c61
MR
2232LD_LIB='-l%'
2233LD_PATH='-L'
23565c26 2234HOSTCC_C='-c'
27565164 2235HOSTCC_E='-E -o $@'
a758c5e2 2236HOSTCC_O='-o $@'
095792f2 2237HOSTLD_O='-o $@'
7e6c86e6 2238
9da6609f 2239host_libs='-lm'
6c3fa06a
MR
2240host_cflags_filter=echo
2241host_ldflags_filter=echo
9da6609f 2242
9b861379 2243target_path='$(CURDIR)'
a7ada2ba 2244
a158446b
MR
2245# since the object filename is not given with the -MM flag, the compiler
2246# is only able to print the basename, and we must add the path ourselves
a758c5e2
MR
2247DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2248DEPFLAGS='-MM'
315c741d 2249
c597172e 2250# find source path
24524f36 2251if test -f configure; then
f038cf3c 2252 source_path=.
c597172e 2253else
8477f2de 2254 source_path=$(cd $(dirname "$0"); pwd)
c597172e 2255 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 2256 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
2257 test -e "$source_path/config.h" &&
2258 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
2259fi
2260
13cbe2c0 2261for v in "$@"; do
b04251c5
MR
2262 r=${v#*=}
2263 l=${v%"$r"}
2264 r=$(sh_quote "$r")
29ba0911 2265 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
13cbe2c0 2266done
c597172e 2267
73ef8980
MR
2268find_things(){
2269 thing=$1
2270 pattern=$2
2271 file=$source_path/$3
932ccf39 2272 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
2273}
2274
2275ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2276DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 2277HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
2278PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2279BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2280MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2281DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
2282OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2283INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 2284PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 2285FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 2286
54e75be4
DB
2287ALL_COMPONENTS="
2288 $BSF_LIST
2289 $DECODER_LIST
2290 $DEMUXER_LIST
2291 $ENCODER_LIST
2292 $FILTER_LIST
2293 $HWACCEL_LIST
2294 $INDEV_LIST
2295 $MUXER_LIST
2296 $OUTDEV_LIST
2297 $PARSER_LIST
2298 $PROTOCOL_LIST
2299"
2300
8469ae22
MR
2301for n in $COMPONENT_LIST; do
2302 v=$(toupper ${n%s})_LIST
2303 eval enable \$$v
2304 eval ${n}_if_any="\$$v"
2305done
2306
206a070d 2307enable $ARCH_EXT_LIST
c597172e
MR
2308
2309die_unknown(){
2310 echo "Unknown option \"$1\"."
2311 echo "See $0 --help for available options."
2312 exit 1
2313}
2314
7432e872
DB
2315print_3_columns() {
2316 cat | tr ' ' '\n' | sort | pr -r -3 -t
2317}
2318
794f8e97 2319show_list() {
bf0c4afa
RP
2320 suffix=_$1
2321 shift
7432e872 2322 echo $* | sed s/$suffix//g | print_3_columns
794f8e97
PI
2323 exit 0
2324}
2325
154caa67
MR
2326rand_list(){
2327 IFS=', '
2328 set -- $*
2329 unset IFS
2330 for thing; do
2331 comp=${thing%:*}
2332 prob=${thing#$comp}
2333 prob=${prob#:}
2334 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2335 echo "prob ${prob:-0.5}"
2336 printf '%s\n' $comp
2337 done
2338}
2339
2340do_random(){
2341 action=$1
2342 shift
2343 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2344 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2345}
2346
c597172e 2347for opt do
7483e694
DB
2348 optval="${opt#*=}"
2349 case "$opt" in
ea061af1
DB
2350 --extra-ldflags=*)
2351 add_ldflags $optval
7e9e7cc2 2352 ;;
ea061af1
DB
2353 --extra-libs=*)
2354 add_extralibs $optval
7e9e7cc2 2355 ;;
ea061af1
DB
2356 --disable-devices)
2357 disable $INDEV_LIST $OUTDEV_LIST
7e9e7cc2 2358 ;;
ea061af1
DB
2359 --enable-debug=*)
2360 debuglevel="$optval"
7e9e7cc2
MR
2361 ;;
2362 --disable-programs)
2363 disable $PROGRAM_LIST
2364 ;;
2365 --disable-everything)
2366 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2367 ;;
844c6852
DB
2368 --disable-all)
2369 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2370 disable $LIBRARY_LIST $PROGRAM_LIST doc
2371 ;;
7e9e7cc2
MR
2372 --enable-random|--disable-random)
2373 action=${opt%%-random}
2374 do_random ${action#--} $COMPONENT_LIST
2375 ;;
2376 --enable-random=*|--disable-random=*)
2377 action=${opt%%-random=*}
2378 do_random ${action#--} $optval
2379 ;;
2380 --enable-*=*|--disable-*=*)
2381 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2382 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2383 eval list=\$$(toupper $thing)_LIST
2384 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2385 $action $(filter "$name" $list)
2386 ;;
894682a9
AK
2387 --enable-avserver|--disable-avserver*)
2388 warn "avserver has been removed, the ${opt} option is only"\
2389 "provided for compatibility and will be removed in the future"
2390 ;;
7e9e7cc2
MR
2391 --enable-?*|--disable-?*)
2392 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2393 if is_in $option $COMPONENT_LIST; then
2394 test $action = disable && action=unset
2395 eval $action \$$(toupper ${option%s})_LIST
2396 elif is_in $option $CMDLINE_SELECT; then
2397 $action $option
2398 else
2399 die_unknown $opt
2400 fi
2401 ;;
2402 --list-*)
2403 NAME="${opt#--list-}"
2404 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2405 NAME=${NAME%s}
2406 eval show_list $NAME \$$(toupper $NAME)_LIST
2407 ;;
2408 --help|-h) show_help
2409 ;;
2410 *)
2411 optname="${opt%%=*}"
2412 optname="${optname#--}"
2413 optname=$(echo "$optname" | sed 's/-/_/g')
2414 if is_in $optname $CMDLINE_SET; then
2415 eval $optname='$optval'
2416 elif is_in $optname $CMDLINE_APPEND; then
2417 append $optname "$optval"
2418 else
2419 die_unknown $opt
2420 fi
2421 ;;
7483e694 2422 esac
c597172e
MR
2423done
2424
bcea99bb
MR
2425disabled logging && logfile=/dev/null
2426
29ba0911 2427echo "# $0 $LIBAV_CONFIGURATION" > $logfile
bcea99bb
MR
2428set >> $logfile
2429
9da6609f
MR
2430test -n "$cross_prefix" && enable cross_compile
2431
8d4c00ed
MR
2432if enabled cross_compile; then
2433 test -n "$arch" && test -n "$target_os" ||
2434 die "Must specify target arch and OS when cross-compiling"
2435fi
2436
121d78d0 2437ar_default="${cross_prefix}${ar_default}"
11e6d03a 2438cc_default="${cross_prefix}${cc_default}"
20e0ed95 2439nm_default="${cross_prefix}${nm_default}"
3f8040db 2440pkg_config_default="${cross_prefix}${pkg_config_default}"
adb2b908 2441ranlib="${cross_prefix}${ranlib}"
e52567c2 2442strip="${cross_prefix}${strip}"
adb2b908 2443
c5200f17
MR
2444sysinclude_default="${sysroot}/usr/include"
2445
aeeb782c 2446case "$toolchain" in
0fbb62a8
LB
2447 clang-asan)
2448 cc_default="clang"
19f251a2
LB
2449 add_cflags -fsanitize=address
2450 add_ldflags -fsanitize=address
0fbb62a8
LB
2451 ;;
2452 clang-tsan)
2453 cc_default="clang"
19f251a2
LB
2454 add_cflags -fsanitize=thread -pie
2455 add_ldflags -fsanitize=thread -pie
0fbb62a8 2456 ;;
d6a27f88
LB
2457 clang-usan)
2458 cc_default="clang"
4d25c2bc 2459 add_cflags -fsanitize=undefined -O1
d6a27f88
LB
2460 add_ldflags -fsanitize=undefined
2461 ;;
0ba49d28
LB
2462 gcc-asan)
2463 cc_default="gcc"
2464 add_cflags -fsanitize=address
2465 add_ldflags -fsanitize=address
2466 ;;
2467 gcc-tsan)
2468 cc_default="gcc"
2469 add_cflags -fsanitize=thread -pie -fPIC
2470 add_ldflags -fsanitize=thread -pie -fPIC
2471 ;;
d6a27f88
LB
2472 gcc-usan)
2473 cc_default="gcc"
2474 add_cflags -fsanitize=undefined
2475 add_ldflags -fsanitize=undefined
2476 ;;
edfe609f
LB
2477 valgrind-massif)
2478 target_exec_default="valgrind"
2479 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2480 ;;
b1ee8eec
RT
2481 valgrind-memcheck)
2482 target_exec_default="valgrind"
2483 target_exec_args="--track-origins=yes --leak-check=full"
2484 ;;
aeeb782c 2485 msvc)
16381923
MS
2486 # Check whether the current MSVC version needs the C99 converter.
2487 # From MSVC 2013 (compiler major version 18) onwards, it does actually
ea9f7173 2488 # support enough of C99 to build libav. Default to the new
16381923
MS
2489 # behaviour if the regexp was unable to match anything, since this
2490 # successfully parses the version number of existing supported
2491 # versions that require the converter (MSVC 2010 and 2012).
2492 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2493 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
ea9f7173 2494 cc_default="cl"
16381923
MS
2495 else
2496 cc_default="c99wrap cl"
2497 fi
ea9f7173 2498 ld_default="link"
aeeb782c 2499 nm_default="dumpbin -symbols"
ac3a9b51 2500 ar_default="lib"
53e8cd68 2501 target_os_default="win32"
ea9f7173
MS
2502 # Use a relative path for TMPDIR. This makes sure all the
2503 # ffconf temp files are written with a relative path, avoiding
2504 # issues with msys/win32 path conversion for MSVC parameters
2505 # such as -Fo<file> or -out:<file>.
2506 TMPDIR=.
aeeb782c 2507 ;;
322e4194 2508 icl)
ea9f7173
MS
2509 cc_default="icl"
2510 ld_default="xilink"
322e4194
AS
2511 nm_default="dumpbin -symbols"
2512 ar_default="xilib"
2513 target_os_default="win32"
ea9f7173 2514 TMPDIR=.
322e4194 2515 ;;
a862c7d3
RT
2516 gcov)
2517 add_cflags -fprofile-arcs -ftest-coverage
2518 add_ldflags -fprofile-arcs -ftest-coverage
2519 ;;
e7891305 2520 hardened)
7caf48e0 2521 add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all
e7891305
LB
2522 add_ldflags -Wl,-z,relro -Wl,-z,now
2523 ;;
aeeb782c
MR
2524 ?*)
2525 die "Unknown toolchain $toolchain"
2526 ;;
2527esac
2528
b1ee8eec 2529set_default arch cc pkg_config sysinclude target_exec target_os
9da6609f
MR
2530enabled cross_compile || host_cc_default=$cc
2531set_default host_cc
13c7df3d 2532
762f95e4
MR
2533if ! $pkg_config --version >/dev/null 2>&1; then
2534 warn "$pkg_config not found, library detection may fail."
2535 pkg_config=false
2536fi
2537
82bb3329
MR
2538exesuf() {
2539 case $1 in
53e8cd68 2540 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
82bb3329
MR
2541 esac
2542}
2543
2544EXESUF=$(exesuf $target_os)
2545HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 2546
e4e69e0b 2547# set temporary file name
a49d42c2 2548: ${TMPDIR:=$TEMPDIR}
c51fafa1 2549: ${TMPDIR:=$TMP}
a49d42c2 2550: ${TMPDIR:=/tmp}
e4e69e0b 2551
a210bce2 2552if ! check_cmd mktemp -u XXXXXX; then
54460a83
MR
2553 # simple replacement for missing mktemp
2554 # NOT SAFE FOR GENERAL USE
2555 mktemp(){
09a5c245 2556 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
54460a83
MR
2557 }
2558fi
2559
2560tmpfile(){
2561 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2562 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 2563 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
2564 append TMPFILES $tmp
2565 eval $1=$tmp
2566}
2567
2568trap 'rm -f -- $TMPFILES' EXIT
54460a83 2569
55127e7b 2570tmpfile TMPASM .asm
3e0b1c9a
DB
2571tmpfile TMPC .c
2572tmpfile TMPE $EXESUF
2573tmpfile TMPH .h
2574tmpfile TMPO .o
2575tmpfile TMPS .S
2576tmpfile TMPSH .sh
2577tmpfile TMPV .ver
54460a83
MR
2578
2579unset -f mktemp
e4e69e0b 2580
fb3c4ffc
MR
2581chmod +x $TMPE
2582
993f2d0f
MR
2583# make sure we can execute files in $TMPDIR
2584cat > $TMPSH 2>> $logfile <<EOF
2585#! /bin/sh
2586EOF
2587chmod +x $TMPSH >> $logfile 2>&1
2588if ! $TMPSH >> $logfile 2>&1; then
2589 cat <<EOF
2590Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2591variable to another directory and make sure that it is not mounted noexec.
2592EOF
2593 die "Sanity test failed."
2594fi
993f2d0f 2595
457cc333
MR
2596ccc_flags(){
2597 for flag; do
2598 case $flag in
2599 -std=c99) echo -c99 ;;
2600 -mcpu=*) echo -arch ${flag#*=} ;;
2601 -mieee) echo -ieee ;;
2602 -O*|-fast) echo $flag ;;
2603 -fno-math-errno) echo -assume nomath_errno ;;
2604 -g) echo -g3 ;;
2605 -Wall) echo -msg_enable level2 ;;
2606 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2607 -Wl,*) echo $flag ;;
2608 -f*|-W*) ;;
2609 *) echo $flag ;;
2610 esac
2611 done
2612}
2613
e5d45e02
LB
2614cparser_flags(){
2615 for flag; do
2616 case $flag in
2617 -Wno-switch) echo -Wno-switch-enum ;;
2618 -Wno-format-zero-length) ;;
2619 -Wdisabled-optimization) ;;
2620 -Wno-pointer-sign) echo -Wno-other ;;
2621 *) echo $flag ;;
2622 esac
2623 done
2624}
2625
14fb9d3d 2626msvc_common_flags(){
dfa559bc
RB
2627 for flag; do
2628 case $flag in
14fb9d3d
AS
2629 # In addition to specifying certain flags under the compiler
2630 # specific filters, they must be specified here as well or else the
2631 # generic catch all at the bottom will print the original flag.
2632 -Wall) ;;
2633 -std=c99) ;;
2634 # Common flags
9f4a16c5 2635 -fomit-frame-pointer) ;;
dfa559bc 2636 -g) echo -Z7 ;;
dfa559bc
RB
2637 -fno-math-errno) ;;
2638 -fno-common) ;;
2639 -fno-signed-zeros) ;;
50640977 2640 -fPIC) ;;
9f30fb5a
MS
2641 -mthumb) ;;
2642 -march=*) ;;
dfa559bc 2643 -lz) echo zlib.lib ;;
bd680c7b
DB
2644 -lavifil32) echo vfw32.lib ;;
2645 -lavicap32) echo vfw32.lib user32.lib ;;
dfa559bc
RB
2646 -l*) echo ${flag#-l}.lib ;;
2647 *) echo $flag ;;
2648 esac
2649 done
2650}
2651
14fb9d3d
AS
2652msvc_flags(){
2653 msvc_common_flags "$@"
2654 for flag; do
2655 case $flag in
ace87c19 2656 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
14fb9d3d
AS
2657 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2658 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
09f2581d 2659 -wd4273 ;;
14fb9d3d
AS
2660 esac
2661 done
2662}
2663
2664icl_flags(){
2665 msvc_common_flags "$@"
2666 for flag; do
2667 case $flag in
2668 # Despite what Intel's documentation says -Wall, which is supported
2669 # on Windows, does enable remarks so disable them here.
2670 -Wall) echo $flag -Qdiag-disable:remark ;;
2671 -std=c99) echo -Qstd=c99 ;;
2672 esac
2673 done
2674}
2675
d0c6d424
MR
2676pgi_flags(){
2677 for flag; do
2678 case $flag in
643933f5 2679 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
d0c6d424
MR
2680 -fomit-frame-pointer) echo -Mnoframe ;;
2681 -g) echo -gopt ;;
2682 *) echo $flag ;;
2683 esac
2684 done
2685}
2686
2687suncc_flags(){
2688 for flag; do
2689 case $flag in
2690 -march=*|-mcpu=*)
2691 case "${flag#*=}" in
2692 native) echo -xtarget=native ;;
2693 v9|niagara) echo -xarch=sparc ;;
2694 ultrasparc) echo -xarch=sparcvis ;;
2695 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2696 i586|pentium) echo -xchip=pentium ;;
2697 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2698 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2699 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2700 pentium4*) echo -xtarget=pentium4 ;;
2701 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2702 *-sse3) echo -xarch=sse3 ;;
2703 core2) echo -xarch=ssse3 -xchip=core2 ;;
f2ce813e
SM
2704 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2705 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
b36f87ff 2706 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
ace87c19 2707 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
d0c6d424 2708 k8|opteron|athlon64|athlon-fx)
ace87c19
DB
2709 echo -xarch=sse2a ;;
2710 athlon*) echo -xarch=pentium_proa ;;
d0c6d424
MR
2711 esac
2712 ;;
2713 -std=c99) echo -xc99 ;;
2714 -fomit-frame-pointer) echo -xregs=frameptr ;;
2715 -fPIC) echo -KPIC -xcode=pic32 ;;
2716 -W*,*) echo $flag ;;
5e753ed5
SM
2717 -f*-*|-W*|-mimpure-text) ;;
2718 -shared) echo -G ;;
d0c6d424
MR
2719 *) echo $flag ;;
2720 esac
2721 done
2722}
2723
2724tms470_flags(){
2725 for flag; do
2726 case $flag in
2727 -march=*|-mcpu=*)
2728 case "${flag#*=}" in
2729 armv7-a|cortex-a*) echo -mv=7a8 ;;
2730 armv7-r|cortex-r*) echo -mv=7r4 ;;
2731 armv7-m|cortex-m*) echo -mv=7m3 ;;
2732 armv6*|arm11*) echo -mv=6 ;;
2733 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2734 echo -mv=5e ;;
2735 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2736 esac
2737 ;;
2738 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2739 -mfpu=vfp) echo --float_support=vfpv2 ;;
2740 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
b5198a26 2741 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
d0c6d424
MR
2742 -msoft-float) echo --float_support=vfplib ;;
2743 -O[0-3]|-mf=*) echo $flag ;;
2744 -g) echo -g -mn ;;
2745 -pds=*) echo $flag ;;
ad93dccb
MR
2746 -D*|-I*) echo $flag ;;
2747 --gcc|--abi=*) echo $flag ;;
2748 -me) echo $flag ;;
d0c6d424
MR
2749 esac
2750 done
2751}
2752
a758c5e2
MR
2753probe_cc(){
2754 pfx=$1
2755 _cc=$2
2756
8db73c61
MR
2757 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2758 unset _ld_o _ldflags _ld_lib _ld_path
18031c49 2759 unset _depflags _DEPCMD _DEPFLAGS
a758c5e2
MR
2760 _flags_filter=echo
2761
2762 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2763 _type=llvm_gcc
2764 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2765 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2766 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2767 _cflags_speed='-O3'
2768 _cflags_size='-Os'
2769 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2770 _type=gcc
2771 gcc_version=$($_cc --version | head -n1)
2772 gcc_basever=$($_cc -dumpversion)
2773 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2774 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2775 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2776 if ! $_cc -dumpversion | grep -q '^2\.'; then
2777 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2778 fi
2779 _cflags_speed='-O3'
2780 _cflags_size='-Os'
b2d688ea 2781 elif $_cc --version 2>/dev/null | grep -q ^icc; then
a758c5e2
MR
2782 _type=icc
2783 _ident=$($_cc --version | head -n1)
2784 _depflags='-MMD'
2785 _cflags_speed='-O3'
2786 _cflags_size='-Os'
2787 _cflags_noopt='-O1'
2788 elif $_cc -v 2>&1 | grep -q xlc; then
2789 _type=xlc
2790 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2791 _cflags_speed='-O5'
2792 _cflags_size='-O5 -qcompact'
2793 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2794 _type=ccc
2795 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2796 _DEPFLAGS='-M'
a758c5e2
MR
2797 _cflags_speed='-fast'
2798 _cflags_size='-O1'
457cc333 2799 _flags_filter=ccc_flags
4936ef64 2800 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
a758c5e2
MR
2801 test -d "$sysroot" || die "No valid sysroot specified."
2802 _type=armcc
4936ef64 2803 _ident=$($_cc --vsn | head -n1 | sed 's/.*: //')
a758c5e2
MR
2804 armcc_conf="$PWD/armcc.conf"
2805 $_cc --arm_linux_configure \
2806 --arm_linux_config_file="$armcc_conf" \
2807 --configure_sysroot="$sysroot" \
2808 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2809 die "Error creating armcc configuration file."
2810 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2811 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2812 as_default="${cross_prefix}gcc"
2813 _depflags='-MMD'
2814 _cflags_speed='-O3'
2815 _cflags_size='-Os'
0122118e 2816 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
a758c5e2
MR
2817 _type=tms470
2818 _ident=$($_cc -version | head -n1 | tr -s ' ')
2819 _flags='--gcc --abi=eabi -me'
18031c49 2820 _cc_e='-ppl -fe=$@'
a758c5e2 2821 _cc_o='-fe=$@'
a758c5e2
MR
2822 _depflags='-ppa -ppd=$(@:.o=.d)'
2823 _cflags_speed='-O3 -mf=5'
2824 _cflags_size='-O3 -mf=2'
2825 _flags_filter=tms470_flags
2826 elif $_cc -v 2>&1 | grep -q clang; then
2827 _type=clang
2828 _ident=$($_cc --version | head -n1)
9e057f53 2829 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
a758c5e2
MR
2830 _cflags_speed='-O3'
2831 _cflags_size='-Os'
2832 elif $_cc -V 2>&1 | grep -q Sun; then
2833 _type=suncc
2834 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2835 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
c72f12cb 2836 _DEPFLAGS='-xM1 -xc99'
a758c5e2
MR
2837 _ldflags='-std=c99'
2838 _cflags_speed='-O5'
2839 _cflags_size='-O5 -xspace'
2840 _flags_filter=suncc_flags
2841 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2842 _type=pathscale
2843 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2844 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2845 _cflags_speed='-O2'
2846 _cflags_size='-Os'
2847 _flags_filter='filter_out -Wdisabled-optimization'
2848 elif $_cc -v 2>&1 | grep -q Open64; then
2849 _type=open64
2850 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2851 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2852 _cflags_speed='-O2'
2853 _cflags_size='-Os'
2854 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2855 elif $_cc -V 2>&1 | grep -q Portland; then
2856 _type=pgi
2857 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
8f23907f 2858 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
a758c5e2
MR
2859 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2860 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2861 _cflags_noopt="-O1"
2862 _flags_filter=pgi_flags
dfa559bc
RB
2863 elif $_cc 2>&1 | grep -q Microsoft; then
2864 _type=msvc
2865 _ident=$($cc 2>&1 | head -n1)
2866 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2867 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2868 _cflags_speed="-O2"
2869 _cflags_size="-O1"
dfa559bc 2870 if $_cc 2>&1 | grep -q Linker; then
ea9f7173 2871 _ld_o='-out:$@'
dfa559bc
RB
2872 else
2873 _ld_o='-Fe$@'
2874 fi
ea9f7173
MS
2875 _cc_o='-Fo$@'
2876 _cc_e='-P -Fi$@'
dfa559bc
RB
2877 _flags_filter=msvc_flags
2878 _ld_lib='lib%.a'
2879 _ld_path='-libpath:'
2880 _flags='-nologo'
09f2581d 2881 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
dfa559bc 2882 if [ $pfx = hostcc ]; then
6a0200f2 2883 append _cflags -Dsnprintf=_snprintf
dfa559bc 2884 fi
322e4194
AS
2885 elif $_cc 2>&1 | grep -q Intel; then
2886 _type=icl
2887 _ident=$($cc 2>&1 | head -n1)
2888 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
ace87c19
DB
2889 # Not only is O3 broken on 13.x+ but it is slower on all previous
2890 # versions (tested) as well.
322e4194
AS
2891 _cflags_speed="-O2"
2892 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
322e4194 2893 if $_cc 2>&1 | grep -q Linker; then
ea9f7173 2894 _ld_o='-out:$@'
322e4194
AS
2895 else
2896 _ld_o='-Fe$@'
2897 fi
ea9f7173 2898 _cc_o='-Fo$@'
322e4194 2899 _cc_e='-P'
14fb9d3d 2900 _flags_filter=icl_flags
322e4194
AS
2901 _ld_lib='lib%.a'
2902 _ld_path='-libpath:'
ace87c19 2903 # -Qdiag-error to make icl error when seeing certain unknown arguments
60f09c04 2904 _flags='-nologo -Qdiag-error:4044,10157'
ace87c19
DB
2905 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
2906 # with MSVC which enables it by default.
e0d6e2fc 2907 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
322e4194
AS
2908 if [ $pfx = hostcc ]; then
2909 append _cflags -Dsnprintf=_snprintf
2910 fi
e5d45e02
LB
2911 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
2912 _type=cparser
2913 _ident=$($_cc --version | head -n1)
2914 _depflags='-MMD'
2915 _cflags_speed='-O4'
2916 _cflags_size='-O2'
2917 _flags_filter=cparser_flags
aef6bd1b 2918 fi
a758c5e2
MR
2919
2920 eval ${pfx}_type=\$_type
2921 eval ${pfx}_ident=\$_ident
2922}
2923
2924set_ccvars(){
23565c26 2925 eval ${1}_C=\${_cc_c-\${${1}_C}}
18031c49 2926 eval ${1}_E=\${_cc_e-\${${1}_E}}
a758c5e2
MR
2927 eval ${1}_O=\${_cc_o-\${${1}_O}}
2928
2929 if [ -n "$_depflags" ]; then
2930 eval ${1}_DEPFLAGS=\$_depflags
2931 else
2932 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2933 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2934 eval DEP${1}FLAGS=\$_flags
2935 fi
2936}
2937
2938probe_cc cc "$cc"
2939cflags_filter=$_flags_filter
2940cflags_speed=$_cflags_speed
2941cflags_size=$_cflags_size
2942cflags_noopt=$_cflags_noopt
2943add_cflags $_flags $_cflags
2944cc_ldflags=$_ldflags
2945set_ccvars CC
2946
2947probe_cc hostcc "$host_cc"
2948host_cflags_filter=$_flags_filter
a758c5e2 2949add_host_cflags $_flags $_cflags
a758c5e2 2950set_ccvars HOSTCC
629687f6 2951
851ffa80
MR
2952test -n "$cc_type" && enable $cc_type ||
2953 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 2954
75bafbac 2955: ${as_default:=$cc}
50567afa 2956: ${dep_cc_default:=$cc}
684b28e0 2957: ${ld_default:=$cc}
095792f2
MR
2958: ${host_ld_default:=$host_cc}
2959set_default ar as dep_cc ld host_ld
75800dce 2960
a758c5e2
MR
2961probe_cc as "$as"
2962asflags_filter=$_flags_filter
2963add_asflags $_flags $_cflags
2964set_ccvars AS
2965
2966probe_cc ld "$ld"
2967ldflags_filter=$_flags_filter
2968add_ldflags $_flags $_ldflags
2969test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2763587c 2970LD_O=${_ld_o-$LD_O}
8db73c61
MR
2971LD_LIB=${_ld_lib-$LD_LIB}
2972LD_PATH=${_ld_path-$LD_PATH}
a758c5e2 2973
095792f2
MR
2974probe_cc hostld "$host_ld"
2975host_ldflags_filter=$_flags_filter
2976add_host_ldflags $_flags $_ldflags
2977HOSTLD_O=${_ld_o-$HOSTLD_O}
2978
a758c5e2
MR
2979if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2980 probe_cc depcc "$dep_cc"
2981 CCDEP=${_DEPCMD:-$DEPCMD}
2982 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2983 DEPCCFLAGS=$_flags
2984fi
07dec06e 2985
3dbc777c
MR
2986if $ar 2>&1 | grep -q Microsoft; then
2987 arflags="-nologo"
2988 ar_o='-out:$@'
2989elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2990 arflags="rq"
2991 ar_o='$@'
4822ee3c
DB
2992elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
2993 arflags='-Xany -r -c'
2994 ar_o='$@'
3dbc777c
MR
2995else
2996 arflags="rc"
2997 ar_o='$@'
2998fi
2999
7f32f40c 3000add_cflags $extra_cflags
2f2e6c7c 3001add_asflags $extra_cflags
7f32f40c 3002
154d432c
MR
3003if test -n "$sysroot"; then
3004 case "$cc_type" in
00ba041c 3005 gcc|llvm_gcc|clang)
467256f2 3006 add_cppflags --sysroot="$sysroot"
154d432c
MR
3007 add_ldflags --sysroot="$sysroot"
3008 ;;
6fec122a
MR
3009 tms470)
3010 add_cppflags -I"$sysinclude"
3011 add_ldflags --sysroot="$sysroot"
3012 ;;
154d432c
MR
3013 esac
3014fi
3015
d22c13a8 3016if test "$cpu" = host; then
ace87c19
DB
3017 enabled cross_compile &&
3018 die "--cpu=host makes no sense when cross-compiling."
d22c13a8
MR
3019
3020 case "$cc_type" in
613a4e3f 3021 gcc|llvm_gcc)
d22c13a8
MR
3022 check_native(){
3023 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
b695256e 3024 sed -n "/cc1.*$1=/{
27ce1be8
MR
3025 s/.*$1=\\([^ ]*\\).*/\\1/
3026 p
3027 q
3028 }" $TMPE
d22c13a8
MR
3029 }
3030 cpu=$(check_native -march || check_native -mcpu)
3031 ;;
3032 esac
3033
ace87c19
DB
3034 test "${cpu:-host}" = host &&
3035 die "--cpu=host not supported with compiler $cc"
d22c13a8
MR
3036fi
3037
e939cedd
MR
3038# Deal with common $arch aliases
3039case "$arch" in
5873b623
MR
3040 aarch64|arm64)
3041 arch="aarch64"
3042 ;;
e939cedd
MR
3043 arm*)
3044 arch="arm"
3045 ;;
2acda282 3046 mips*|IP*)
e939cedd
MR
3047 arch="mips"
3048 ;;
a6e9d649 3049 parisc*|hppa*)
e939cedd
MR
3050 arch="parisc"
3051 ;;
56203596 3052 "Power Macintosh"|ppc*|powerpc*)
e939cedd
MR
3053 arch="ppc"
3054 ;;
e939cedd
MR
3055 s390|s390x)
3056 arch="s390"
3057 ;;
3058 sh4|sh)
3059 arch="sh4"
3060 ;;
4cd217c0 3061 sun4u|sparc*)
e939cedd 3062 arch="sparc"
e939cedd 3063 ;;
c75848cd
DB
3064 tilegx|tile-gx)
3065 arch="tilegx"
3066 ;;
d33ed7b3 3067 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
e939cedd
MR
3068 arch="x86"
3069 ;;
3070esac
3071
851ffa80 3072is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 3073enable $arch
e939cedd 3074
df5cdc24 3075# Add processor-specific flags
9ebd45c2 3076if enabled aarch64; then
33db40f8
MR
3077
3078 case $cpu in
3079 armv*)
3080 cpuflags="-march=$cpu"
3081 ;;
3082 *)
3083 cpuflags="-mcpu=$cpu"
3084 ;;
3085 esac
3086
3087elif enabled alpha; then
3088
3089 cpuflags="-mcpu=$cpu"
3090
3091elif enabled arm; then
3092
1234c66a
MR
3093 check_arm_arch() {
3094 check_cpp_condition stddef.h \
3095 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3096 $cpuflags
3097 }
3098
3099 probe_arm_arch() {
3100 if check_arm_arch 4; then echo armv4;
3101 elif check_arm_arch 4T; then echo armv4t;
3102 elif check_arm_arch 5; then echo armv5;
3103 elif check_arm_arch 5E; then echo armv5e;
3104 elif check_arm_arch 5T; then echo armv5t;
3105 elif check_arm_arch 5TE; then echo armv5te;
3106 elif check_arm_arch 5TEJ; then echo armv5te;
3107 elif check_arm_arch 6; then echo armv6;
3108 elif check_arm_arch 6J; then echo armv6j;
3109 elif check_arm_arch 6K; then echo armv6k;
3110 elif check_arm_arch 6Z; then echo armv6z;
3111 elif check_arm_arch 6ZK; then echo armv6zk;
3112 elif check_arm_arch 6T2; then echo armv6t2;
3113 elif check_arm_arch 7; then echo armv7;
3114 elif check_arm_arch 7A 7_A; then echo armv7-a;
3115 elif check_arm_arch 7R 7_R; then echo armv7-r;
3116 elif check_arm_arch 7M 7_M; then echo armv7-m;
3117 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3118 elif check_arm_arch 8A 8_A; then echo armv8-a;
3119 fi
3120 }
3121
3122 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3123
33db40f8
MR
3124 case $cpu in
3125 armv*)
3126 cpuflags="-march=$cpu"
3127 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3128 ;;
3129 *)
3130 cpuflags="-mcpu=$cpu"
3131 case $cpu in
3132 cortex-a*) subarch=armv7a ;;
3133 cortex-r*) subarch=armv7r ;;
3134 cortex-m*) enable thumb; subarch=armv7m ;;
3135 arm11*) subarch=armv6 ;;
3136 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3137 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
1234c66a 3138 *) subarch=$(probe_arm_arch) ;;
33db40f8
MR
3139 esac
3140 ;;
3141 esac
3142
f0fe245b
MR
3143 case "$subarch" in
3144 armv5t*) enable fast_clz ;;
3145 armv[6-8]*) enable fast_clz fast_unaligned ;;
3146 esac
3147
33db40f8
MR
3148elif enabled avr32; then
3149
3150 case $cpu in
3151 ap7[02]0[0-2])
3152 subarch="avr32_ap"
3153 cpuflags="-mpart=$cpu"
3154 ;;
3155 ap)
3156 subarch="avr32_ap"
3157 cpuflags="-march=$cpu"
3158 ;;
3159 uc3[ab]*)
3160 subarch="avr32_uc"
3161 cpuflags="-mcpu=$cpu"
3162 ;;
3163 uc)
3164 subarch="avr32_uc"
3165 cpuflags="-march=$cpu"
3166 ;;
3167 esac
3168
3169elif enabled bfin; then
3170
3171 cpuflags="-mcpu=$cpu"
3172
3173elif enabled mips; then
3174
3175 cpuflags="-march=$cpu"
3176
5d54c126 3177elif enabled ppc; then
343aef9b 3178
606cc8af
DB
3179 disable ldbrx
3180
56348891
MR
3181 case $(tolower $cpu) in
3182 601|ppc601|powerpc601)
9dbd5c3d 3183 cpuflags="-mcpu=601"
64ad53ff 3184 disable altivec
9dbd5c3d 3185 ;;
56348891 3186 603*|ppc603*|powerpc603*)
9dbd5c3d 3187 cpuflags="-mcpu=603"
64ad53ff 3188 disable altivec
9dbd5c3d 3189 ;;
56348891 3190 604*|ppc604*|powerpc604*)
9dbd5c3d 3191 cpuflags="-mcpu=604"
64ad53ff 3192 disable altivec
9dbd5c3d 3193 ;;
56348891 3194 g3|75*|ppc75*|powerpc75*)
7f1fcaf0 3195 cpuflags="-mcpu=750"
64ad53ff 3196 disable altivec
9dbd5c3d 3197 ;;
56348891 3198 g4|745*|ppc745*|powerpc745*)
7f1fcaf0 3199 cpuflags="-mcpu=7450"
9dbd5c3d 3200 ;;
56348891 3201 74*|ppc74*|powerpc74*)
7f1fcaf0 3202 cpuflags="-mcpu=7400"
9dbd5c3d 3203 ;;
313f9fbf 3204 g5|970|ppc970|powerpc970)
7f1fcaf0 3205 cpuflags="-mcpu=970"
9dbd5c3d 3206 ;;
313f9fbf 3207 power[3-7]*)
7f1fcaf0 3208 cpuflags="-mcpu=$cpu"
313f9fbf 3209 ;;
56348891 3210 cell)
9dbd5c3d
MR
3211 cpuflags="-mcpu=cell"
3212 enable ldbrx
3213 ;;
4ab26cb4
DB
3214 e500mc)
3215 cpuflags="-mcpu=e500mc"
3216 disable altivec
3217 ;;
7b0b81a1
AL
3218 e500v2)
3219 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3220 disable altivec
54f78816 3221 disable dcbzl
7b0b81a1
AL
3222 ;;
3223 e500)
3224 cpuflags="-mcpu=8540 -mhard-float"
3225 disable altivec
54f78816 3226 disable dcbzl
7b0b81a1 3227 ;;
9dbd5c3d 3228 esac
343aef9b 3229
33db40f8
MR
3230elif enabled sparc; then
3231
3232 case $cpu in
3233 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3234 cpuflags="-mcpu=$cpu"
33db40f8
MR
3235 ;;
3236 ultrasparc*|niagara[234])
3237 cpuflags="-mcpu=$cpu"
3238 ;;
3239 esac
3240
343aef9b
MR
3241elif enabled x86; then
3242
9dbd5c3d
MR
3243 case $cpu in
3244 i[345]86|pentium)
3245 cpuflags="-march=$cpu"
3246 disable mmx
3247 ;;
f54b5505 3248 # targets that do NOT support nopl and conditional mov (cmov)
9dbd5c3d
MR
3249 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3250 cpuflags="-march=$cpu"
f54b5505 3251 disable i686
9dbd5c3d 3252 ;;
f54b5505 3253 # targets that do support nopl and conditional mov (cmov)
f2ce813e 3254 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
9dbd5c3d 3255 cpuflags="-march=$cpu"
f54b5505 3256 enable i686
9dbd5c3d
MR
3257 enable fast_cmov
3258 ;;
3259 # targets that do support conditional mov but on which it's slow
3260 pentium4|pentium4m|prescott|nocona)
3261 cpuflags="-march=$cpu"
f54b5505 3262 enable i686
9dbd5c3d
MR
3263 disable fast_cmov
3264 ;;
3265 esac
343aef9b 3266
343aef9b
MR
3267fi
3268
9ebd45c2
MR
3269if [ "$cpu" != generic ]; then
3270 add_cflags $cpuflags
3271 add_asflags $cpuflags
3272fi
df5cdc24 3273
993f2d0f
MR
3274# compiler sanity check
3275check_exec <<EOF
3276int main(void){ return 0; }
3277EOF
3278if test "$?" != 0; then
3279 echo "$cc is unable to create an executable file."
3280 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3281 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3282 echo "Only do this if you know what cross compiling means."
3283 fi
3284 die "C compiler test failed."
3285fi
3286
046f081b 3287add_cppflags -D_ISOC99_SOURCE
e9b9a2f8 3288check_cflags -std=c99
50a334e4 3289check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
3290#include <stdlib.h>
3291EOF
50a334e4 3292check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
3293#include <stdlib.h>
3294EOF
e9b9a2f8 3295
8267f936 3296add_host_cppflags -D_ISOC99_SOURCE
f0125de9 3297check_host_cflags -std=c99
0a6db2a2 3298check_host_cflags -Wall
8267f936 3299check_host_cflags -O3
f0125de9 3300
d4c99513
MR
3301check_64bit(){
3302 arch32=$1
3303 arch64=$2
3304 expr=$3
3305 check_code cc "" "int test[2*($expr) - 1]" &&
3306 subarch=$arch64 || subarch=$arch32
3307}
3308
b24dbcbd 3309case "$arch" in
d11cb13b 3310 aarch64|alpha|ia64)
2acda282
MR
3311 spic=$shared
3312 ;;
3313 mips)
3314 check_64bit mips mips64 '_MIPS_SIM > 1'
8a3c8627 3315 spic=$shared
b24dbcbd 3316 ;;
a6e9d649
MR
3317 parisc)
3318 check_64bit parisc parisc64 'sizeof(void *) > 4'
3319 spic=$shared
3320 ;;
56203596
MR
3321 ppc)
3322 check_64bit ppc ppc64 'sizeof(void *) > 4'
1944d532 3323 spic=$shared
56203596 3324 ;;
5ddc9f50
RT
3325 s390)
3326 check_64bit s390 s390x 'sizeof(void *) > 4'
3327 spic=$shared
3328 ;;
4cd217c0
MR
3329 sparc)
3330 check_64bit sparc sparc64 'sizeof(void *) > 4'
3331 spic=$shared
3332 ;;
e939cedd 3333 x86)
d4c99513 3334 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
de27f4d9 3335 if test "$subarch" = "x86_64"; then
e939cedd 3336 spic=$shared
de27f4d9 3337 fi
b24dbcbd 3338 ;;
b24dbcbd
RP
3339esac
3340
343aef9b 3341enable $subarch
b1803c79 3342enabled spic && enable_weak pic
b24dbcbd 3343
7483e694 3344# OS specific
4f854758 3345case $target_os in
d3635f3a 3346 aix)
80ade798 3347 SHFLAGS=-shared