avfiltergraph: check for sws opts being non-NULL before using them.
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
070c5d0f 3# Libav configure script
f57620d5 4#
949906ea
DB
5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
79ab96ba
DB
11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
c21d6325
MR
15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
c21d6325
MR
20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
0dbe81bb
MR
24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
0dbe81bb
MR
27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
c21d6325
MR
31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
MR
43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
070c5d0f 47 echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
505dfb09 48 echo "Instead, install a working POSIX-compatible shell."
070c5d0f 49 echo "Disabling this configure test will create a broken Libav."
c21d6325
MR
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
cde2d79a
MR
54 exit 1
55fi
56
a77f01c7
MR
57test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
58
74c53c2d 59show_help(){
f69f51b3 60 cat <<EOF
06454877
MR
61Usage: configure [options]
62Options: [defaults in brackets after descriptions]
63
3b327a4b 64Help options:
06454877 65 --help print this message
3b327a4b
DB
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
77
78Standard options:
19bd477d 79 --logfile=FILE log tests and output to FILE [config.log]
06454877
MR
80 --disable-logging do not log configure debug information
81 --prefix=PREFIX install in PREFIX [$prefix]
82 --bindir=DIR install binaries in DIR [PREFIX/bin]
6291d7e4 83 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
06454877
MR
84 --libdir=DIR install libs in DIR [PREFIX/lib]
85 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
86 --incdir=DIR install includes in DIR [PREFIX/include]
87 --mandir=DIR install man page in DIR [PREFIX/share/man]
88
3b327a4b 89Licensing options:
06454877
MR
90 --enable-gpl allow use of GPL code, the resulting libs
91 and binaries will be under GPL [no]
92 --enable-version3 upgrade (L)GPL to version 3 [no]
93 --enable-nonfree allow use of nonfree code, the resulting libs
94 and binaries will be unredistributable [no]
3b327a4b
DB
95
96Configuration options:
97 --disable-static do not build static libraries [no]
98 --enable-shared build shared libraries [no]
99 --enable-small optimize for size instead of speed
100 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
101 --enable-gray enable full grayscale support (slower color)
102 --disable-swscale-alpha disable alpha channel support in swscale
844c6852 103 --disable-all disable building components, libraries and programs
3b327a4b 104
e28b7553
DB
105Program options:
106 --disable-programs do not build command line programs
6291d7e4 107 --disable-avconv disable avconv build
266463da 108 --disable-avplay disable avplay build
9e12f0bf 109 --disable-avprobe disable avprobe build
4d58e4cb 110 --disable-avserver disable avserver build
e28b7553
DB
111
112Component options:
113 --disable-doc do not build documentation
5a0f7131
MR
114 --disable-avdevice disable libavdevice build
115 --disable-avcodec disable libavcodec build
116 --disable-avformat disable libavformat build
d89f2fa9 117 --disable-avutil disable libavutil build
5a0f7131 118 --disable-swscale disable libswscale build
cccc039f 119 --disable-avfilter disable video filter support [no]
c8af852b 120 --disable-avresample disable libavresample build [no]
0dbfc1db 121 --disable-pthreads disable pthreads [auto]
7b7b220c 122 --disable-w32threads disable Win32 threads [auto]
06454877 123 --disable-network disable network support [no]
7f3f5f46 124 --disable-dct disable DCT code
0b499c9b 125 --disable-error-resilience disable error resilience code
193cdd9a 126 --disable-lsp disable LSP code
2a91ada8 127 --disable-lzo disable LZO decoder code
06454877
MR
128 --disable-mdct disable MDCT code
129 --disable-rdft disable RDFT code
3b327a4b 130 --disable-fft disable FFT code
70b348ec
DB
131
132Hardware accelerators:
3b327a4b 133 --enable-dxva2 enable DXVA2 code
dcb73592 134 --enable-vaapi enable VAAPI code
ac3dbb4d 135 --enable-vda enable VDA code
e8f6bd4b 136 --enable-vdpau enable VDPAU code
3b327a4b
DB
137
138Individual component options:
bb55e3a3 139 --disable-everything disable all components listed below
06454877
MR
140 --disable-encoder=NAME disable encoder NAME
141 --enable-encoder=NAME enable encoder NAME
142 --disable-encoders disable all encoders
143 --disable-decoder=NAME disable decoder NAME
144 --enable-decoder=NAME enable decoder NAME
145 --disable-decoders disable all decoders
146 --disable-hwaccel=NAME disable hwaccel NAME
147 --enable-hwaccel=NAME enable hwaccel NAME
148 --disable-hwaccels disable all hwaccels
149 --disable-muxer=NAME disable muxer NAME
150 --enable-muxer=NAME enable muxer NAME
151 --disable-muxers disable all muxers
152 --disable-demuxer=NAME disable demuxer NAME
153 --enable-demuxer=NAME enable demuxer NAME
154 --disable-demuxers disable all demuxers
155 --enable-parser=NAME enable parser NAME
156 --disable-parser=NAME disable parser NAME
157 --disable-parsers disable all parsers
158 --enable-bsf=NAME enable bitstream filter NAME
159 --disable-bsf=NAME disable bitstream filter NAME
160 --disable-bsfs disable all bitstream filters
161 --enable-protocol=NAME enable protocol NAME
162 --disable-protocol=NAME disable protocol NAME
163 --disable-protocols disable all protocols
3b327a4b 164 --enable-indev=NAME enable input device NAME
06454877 165 --disable-indev=NAME disable input device NAME
06454877 166 --disable-indevs disable input devices
3b327a4b
DB
167 --enable-outdev=NAME enable output device NAME
168 --disable-outdev=NAME disable output device NAME
06454877
MR
169 --disable-outdevs disable output devices
170 --disable-devices disable all devices
171 --enable-filter=NAME enable filter NAME
172 --disable-filter=NAME disable filter NAME
173 --disable-filters disable all filters
06454877
MR
174
175External library support:
176 --enable-avisynth enable reading of AVISynth script files [no]
177 --enable-bzlib enable bzlib [autodetect]
47941088 178 --enable-frei0r enable frei0r video filtering
bc8c1395 179 --enable-gnutls enable gnutls [no]
e417d80d 180 --enable-libcdio enable audio CD grabbing with libcdio
06454877
MR
181 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
182 and libraw1394 [no]
c547e5ff
DB
183 --enable-libfaac enable AAC encoding via libfaac [no]
184 --enable-libfdk-aac enable AAC encoding via libfdk-aac [no]
a5b64584 185 --enable-libfreetype enable libfreetype [no]
c547e5ff 186 --enable-libgsm enable GSM de/encoding via libgsm [no]
3641b048 187 --enable-libilbc enable iLBC de/encoding via libilbc [no]
06454877 188 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
becc3c62
MS
189 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
190 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
191 --enable-libopencv enable video filtering via libopencv [no]
453c02f9 192 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
44617d6e 193 --enable-libopus enable Opus decoding via libopus [no]
7c922411 194 --enable-libpulse enable Pulseaudio input via libpulse [no]
0f943ce6 195 --enable-librtmp enable RTMP[E] support via librtmp [no]
c547e5ff
DB
196 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
197 --enable-libspeex enable Speex de/encoding via libspeex [no]
06454877 198 --enable-libtheora enable Theora encoding via libtheora [no]
d89e738a 199 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
f502ff3f 200 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
c547e5ff 201 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
3f111804 202 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
06454877 203 --enable-libx264 enable H.264 encoding via x264 [no]
de295976 204 --enable-libxavs enable AVS encoding via xavs [no]
06454877
MR
205 --enable-libxvid enable Xvid encoding via xvidcore,
206 native MPEG-4/Xvid encoder exists [no]
a060866f 207 --enable-openssl enable openssl [no]
45235ac4 208 --enable-x11grab enable X11 grabbing [no]
06454877
MR
209 --enable-zlib enable zlib [autodetect]
210
211Advanced options (experts only):
06454877
MR
212 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
213 --enable-cross-compile assume a cross-compiler is used
214 --sysroot=PATH root of cross-build tree
215 --sysinclude=PATH location of cross-build system headers
216 --target-os=OS compiler targets OS [$target_os]
217 --target-exec=CMD command to run executables on target
218 --target-path=DIR path to view of build directory on target
aeeb782c 219 --toolchain=NAME set tool defaults according to NAME
06454877 220 --nm=NM use nm tool
121d78d0 221 --ar=AR use archive tool AR [$ar_default]
06454877
MR
222 --as=AS use assembler AS [$as_default]
223 --cc=CC use C compiler CC [$cc_default]
193cdd9a 224 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
06454877
MR
225 --ld=LD use linker LD
226 --host-cc=HOSTCC use host C compiler HOSTCC
227 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
4cc4b33f 228 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
095792f2 229 --host-ld=HOSTLD use host linker HOSTLD
06454877
MR
230 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
231 --host-libs=HLIBS use libs HLIBS when linking for host
193cdd9a 232 --host-os=OS compiler host OS [$target_os]
06454877
MR
233 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
234 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
235 --extra-libs=ELIBS add ELIBS [$ELIBS]
236 --extra-version=STRING version string suffix []
193cdd9a 237 --optflags=OPTFLAGS override optimization-related compiler flags
06454877 238 --build-suffix=SUFFIX library name suffix []
3b327a4b 239 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
06454877
MR
240 --arch=ARCH select architecture [$arch]
241 --cpu=CPU select the minimum required CPU (affects
242 instruction selection, may crash on older CPUs)
3b327a4b
DB
243 --enable-pic build position-independent code
244 --enable-sram allow use of on-chip SRAM
193cdd9a 245 --enable-thumb compile for Thumb instruction set
3b327a4b 246 --disable-symver disable symbol versioning
3b327a4b
DB
247 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
248 --disable-safe-bitstream-reader
249 disable buffer boundary checking in bitreaders
250 (faster, but may crash)
251 --enable-memalign-hack emulate memalign, interferes with memory debuggers
65d12900 252 --enable-lto use link-time optimization
3b327a4b
DB
253
254Optimization options (experts only):
c8a4ae00 255 --disable-asm disable all assembler optimizations
06454877
MR
256 --disable-altivec disable AltiVec optimizations
257 --disable-amd3dnow disable 3DNow! optimizations
258 --disable-amd3dnowext disable 3DNow! extended optimizations
259 --disable-mmx disable MMX optimizations
239fdf1b 260 --disable-mmxext disable MMXEXT optimizations
06454877 261 --disable-sse disable SSE optimizations
50cd43f2
DB
262 --disable-sse2 disable SSE2 optimizations
263 --disable-sse3 disable SSE3 optimizations
06454877 264 --disable-ssse3 disable SSSE3 optimizations
50cd43f2
DB
265 --disable-sse4 disable SSE4 optimizations
266 --disable-sse42 disable SSE4.2 optimizations
87f1355f 267 --disable-avx disable AVX optimizations
79687079 268 --disable-fma4 disable FMA4 optimizations
06454877
MR
269 --disable-armv5te disable armv5te optimizations
270 --disable-armv6 disable armv6 optimizations
271 --disable-armv6t2 disable armv6t2 optimizations
b3267559 272 --disable-vfp disable VFP optimizations
5ea20630 273 --disable-neon disable NEON optimizations
06454877 274 --disable-vis disable VIS optimizations
afb5ed55 275 --disable-inline-asm disable use of inline assembler
06454877 276 --disable-yasm disable use of yasm assembler
06454877 277
070c5d0f 278Developer options (useful when working on Libav itself):
06454877
MR
279 --disable-debug disable debugging symbols
280 --enable-debug=LEVEL set the debug level [$debuglevel]
06454877
MR
281 --disable-optimizations disable compiler optimizations
282 --enable-extra-warnings enable more compiler warnings
52b3cc60 283 --samples=PATH location of test samples for FATE, if not set use
9309bdfe 284 \$LIBAV_SAMPLES at make invocation time.
7e4d9d5d
RB
285 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
286 should be used only for debugging purposes)
154caa67
MR
287 --enable-random randomly enable/disable components
288 --disable-random
289 --enable-random=LIST randomly enable/disable specific components or
290 --disable-random=LIST component groups. LIST is a comma-separated list
291 of NAME[:PROB] entries where NAME is a component
292 (group) and PROB the probability associated with
293 NAME (default 0.5).
294 --random-seed=VALUE seed value for --enable/disable-random
06454877
MR
295
296NOTE: Object files are built at the place where configure is launched.
297EOF
60e8bc13 298 exit 0
74c53c2d 299}
cf9d24ad 300
0884fadf
MR
301quotes='""'
302
57bd82d4 303log(){
2270b4b2 304 echo "$@" >> $logfile
57bd82d4
MR
305}
306
720c69da 307log_file(){
c8e9f801 308 log BEGIN $1
2270b4b2 309 pr -n -t $1 >> $logfile
c8e9f801
MR
310 log END $1
311}
312
2ba042a7 313echolog(){
c8e9f801 314 log "$@"
57bd82d4 315 echo "$@"
2ba042a7
MR
316}
317
7bfc8ae6
MR
318warn(){
319 log "WARNING: $*"
320 WARNINGS="${WARNINGS}WARNING: $*\n"
321}
322
2ba042a7
MR
323die(){
324 echolog "$@"
325 cat <<EOF
d326cf7f 326
2ba042a7 327If you think configure made a mistake, make sure you are using the latest
4a6a21f5 328version from Git. If the latest version fails, report the problem to the
070c5d0f 329libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
2ba042a7 330EOF
e155a21a 331 if disabled logging; then
2ba042a7 332 cat <<EOF
e155a21a
DB
333Rerun configure with logging enabled (do not use --disable-logging), and
334include the log this produces with your report.
2ba042a7
MR
335EOF
336 else
f69f51b3 337 cat <<EOF
e155a21a
DB
338Include the log file "$logfile" produced by configure as this will help
339solving the problem.
2ba042a7
MR
340EOF
341 fi
57bd82d4
MR
342 exit 1
343}
344
6c6007d6 345# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 346toupper(){
6c6007d6 347 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
44161118
MR
348}
349
4a5444db 350tolower(){
6c6007d6 351 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
4a5444db
MR
352}
353
14a8acf1
MR
354c_escape(){
355 echo "$*" | sed 's/["\\]/\\\0/g'
356}
357
b04251c5
MR
358sh_quote(){
359 v=$(echo "$1" | sed "s/'/'\\\\''/g")
d72c981c 360 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
b04251c5
MR
361 echo "$v"
362}
363
bb7a22b5
MR
364cleanws(){
365 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
366}
367
be8f2501
MR
368filter(){
369 pat=$1
370 shift
371 for v; do
98ef6079 372 eval "case $v in $pat) echo $v ;; esac"
be8f2501
MR
373 done
374}
375
9d201b26
MR
376filter_out(){
377 pat=$1
378 shift
379 for v; do
380 eval "case $v in $pat) ;; *) echo $v ;; esac"
381 done
382}
383
36e2dea0
MR
384map(){
385 m=$1
386 shift
e0e335a0 387 for v; do eval $m; done
36e2dea0
MR
388}
389
43b73d59
DB
390add_suffix(){
391 suffix=$1
392 shift
393 for v; do echo ${v}${suffix}; done
394}
395
a8d04fba
MR
396set_all(){
397 value=$1
398 shift
399 for var in $*; do
400 eval $var=$value
401 done
402}
403
72a43668
MR
404set_weak(){
405 value=$1
406 shift
407 for var; do
408 eval : \${$var:=$value}
409 done
410}
411
f868b24d
DB
412sanitize_var_name(){
413 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
414}
415
3f8040db
MR
416set_safe(){
417 var=$1
418 shift
f868b24d 419 eval $(sanitize_var_name "$var")='$*'
3f8040db
MR
420}
421
422get_safe(){
f868b24d 423 eval echo \$$(sanitize_var_name "$1")
3f8040db
MR
424}
425
799c9e9b
MR
426pushvar(){
427 for var in $*; do
428 eval level=\${${var}_level:=0}
429 eval ${var}_${level}="\$$var"
430 eval ${var}_level=$(($level+1))
431 done
432}
433
434popvar(){
435 for var in $*; do
436 eval level=\${${var}_level:-0}
437 test $level = 0 && continue
438 eval level=$(($level-1))
439 eval $var="\${${var}_${level}}"
440 eval ${var}_level=$level
441 eval unset ${var}_${level}
442 done
443}
444
a8d04fba
MR
445enable(){
446 set_all yes $*
447}
448
449disable(){
450 set_all no $*
451}
452
72a43668
MR
453enable_weak(){
454 set_weak yes $*
455}
456
457disable_weak(){
458 set_weak no $*
459}
460
72702705 461enable_safe(){
fd07f803
MR
462 for var; do
463 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
464 done
72702705
MR
465}
466
467disable_safe(){
fd07f803
MR
468 for var; do
469 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
470 done
72702705
MR
471}
472
f9d328da
MR
473do_enable_deep(){
474 for var; do
475 enabled $var && continue
476 eval sel="\$${var}_select"
c510c7b5
MR
477 eval sgs="\$${var}_suggest"
478 pushvar var sgs
f9d328da 479 enable_deep $sel
c510c7b5
MR
480 popvar sgs
481 enable_deep_weak $sgs
f9d328da
MR
482 popvar var
483 done
484}
485
486enable_deep(){
487 do_enable_deep $*
488 enable $*
489}
490
72a43668
MR
491enable_deep_weak(){
492 do_enable_deep $*
493 enable_weak $*
494}
495
57bd82d4 496enabled(){
3250003c
MR
497 test "${1#!}" = "$1" && op== || op=!=
498 eval test "x\$${1#!}" $op "xyes"
44161118
MR
499}
500
37970ebf 501disabled(){
3250003c
MR
502 test "${1#!}" = "$1" && op== || op=!=
503 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
504}
505
44161118
MR
506enabled_all(){
507 for opt; do
508 enabled $opt || return 1
509 done
510}
511
85bca2c5
DB
512disabled_all(){
513 for opt; do
514 disabled $opt || return 1
515 done
516}
517
44161118
MR
518enabled_any(){
519 for opt; do
520 enabled $opt && return 0
521 done
522}
523
85bca2c5
DB
524disabled_any(){
525 for opt; do
526 disabled $opt && return 0
527 done
f7b230a7 528 return 1
85bca2c5
DB
529}
530
c9d19248
MR
531set_default(){
532 for opt; do
88268e94 533 eval : \${$opt:=\$${opt}_default}
c9d19248
MR
534 done
535}
536
4a0d6686
AJ
537is_in(){
538 value=$1
539 shift
540 for var in $*; do
541 [ $var = $value ] && return 0
542 done
543 return 1
544}
545
d4f8cecc 546do_check_deps(){
30fd06be 547 for cfg; do
3250003c 548 cfg="${cfg#!}"
799c9e9b
MR
549 enabled ${cfg}_checking && die "Circular dependency for $cfg."
550 disabled ${cfg}_checking && continue
551 enable ${cfg}_checking
d4f8cecc 552 append allopts $cfg
799c9e9b 553
30fd06be
MR
554 eval dep_all="\$${cfg}_deps"
555 eval dep_any="\$${cfg}_deps_any"
7ef3425f 556 eval dep_sel="\$${cfg}_select"
c510c7b5 557 eval dep_sgs="\$${cfg}_suggest"
3d7453e0
MR
558 eval dep_ifa="\$${cfg}_if"
559 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 560
3d7453e0 561 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
d4f8cecc 562 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
3d7453e0 563 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 564
3d7453e0
MR
565 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
566 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
6a702d4c
MR
567 enabled_all $dep_all || disable $cfg
568 enabled_any $dep_any || disable $cfg
7ef3425f 569 disabled_any $dep_sel && disable $cfg
799c9e9b 570
4ec45764 571 if enabled $cfg; then
f9d328da 572 enable_deep $dep_sel
c510c7b5 573 enable_deep_weak $dep_sgs
4ec45764
RP
574 fi
575
799c9e9b 576 disable ${cfg}_checking
30fd06be
MR
577 done
578}
579
d4f8cecc
MR
580check_deps(){
581 unset allopts
582
583 do_check_deps "$@"
584
585 for cfg in $allopts; do
586 enabled $cfg || continue
587 eval dep_extralibs="\$${cfg}_extralibs"
588 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
589 done
590}
591
44161118
MR
592print_config(){
593 pfx=$1
72cfcf41
MR
594 files=$2
595 shift 2
f454e879
MR
596 map 'eval echo "$v \${$v:-no}"' "$@" |
597 awk "BEGIN { split(\"$files\", files) }
598 {
599 c = \"$pfx\" toupper(\$1);
600 v = \$2;
601 sub(/yes/, 1, v);
602 sub(/no/, 0, v);
603 for (f in files) {
604 file = files[f];
605 if (file ~ /\\.h\$/) {
606 printf(\"#define %s %d\\n\", c, v) >>file;
607 } else if (file ~ /\\.asm\$/) {
608 printf(\"%%define %s %d\\n\", c, v) >>file;
609 } else if (file ~ /\\.mak\$/) {
d16c4aeb 610 n = -v ? \"\" : \"!\";
f454e879
MR
611 printf(\"%s%s=yes\\n\", n, c) >>file;
612 }
613 }
614 }"
57bd82d4
MR
615}
616
31c0121d 617print_enabled(){
31c0121d
MR
618 suf=$1
619 shift
620 for v; do
9eda2a85 621 enabled $v && printf "%s\n" ${v%$suf};
31c0121d
MR
622 done
623}
624
57bd82d4
MR
625append(){
626 var=$1
627 shift
57bd82d4
MR
628 eval "$var=\"\$$var $*\""
629}
630
60361817
MR
631prepend(){
632 var=$1
633 shift
634 eval "$var=\"$* \$$var\""
635}
636
50a334e4 637add_cppflags(){
cd52ec95 638 append CPPFLAGS "$@"
50a334e4
MR
639}
640
57bd82d4 641add_cflags(){
01d31e16 642 append CFLAGS $($cflags_filter "$@")
57bd82d4
MR
643}
644
2f2e6c7c 645add_asflags(){
01d31e16 646 append ASFLAGS $($asflags_filter "$@")
2f2e6c7c
MR
647}
648
57bd82d4 649add_ldflags(){
64933b6c 650 append LDFLAGS $($ldflags_filter "$@")
57bd82d4
MR
651}
652
653add_extralibs(){
64933b6c 654 prepend extralibs $($ldflags_filter "$@")
57bd82d4
MR
655}
656
4cc4b33f
DB
657add_host_cppflags(){
658 append host_cppflags "$@"
659}
660
6c3fa06a
MR
661add_host_cflags(){
662 append host_cflags $($host_cflags_filter "$@")
663}
664
665add_host_ldflags(){
666 append host_ldflags $($host_ldflags_filter "$@")
667}
668
84e65c76
MR
669add_compat(){
670 append compat_objs $1
671 shift
672 map 'add_cppflags -D$v' "$@"
673}
674
b0cfb663 675check_cmd(){
b3cb5d51 676 log "$@"
2270b4b2 677 "$@" >> $logfile 2>&1
b0cfb663
MR
678}
679
b2704a65
MR
680cc_o(){
681 eval printf '%s\\n' $CC_O
682}
683
18031c49
MR
684cc_e(){
685 eval printf '%s\\n' $CC_E
686}
687
dcd479c0 688check_cc(){
57bd82d4 689 log check_cc "$@"
2270b4b2 690 cat > $TMPC
720c69da 691 log_file $TMPC
23565c26 692 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
57bd82d4
MR
693}
694
695check_cpp(){
696 log check_cpp "$@"
2270b4b2 697 cat > $TMPC
720c69da 698 log_file $TMPC
18031c49 699 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
dcd479c0
MR
700}
701
df0d6341
MR
702as_o(){
703 eval printf '%s\\n' $AS_O
704}
705
f65883c8
MR
706check_as(){
707 log check_as "$@"
7fd90119
MR
708 cat > $TMPS
709 log_file $TMPS
710 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
f65883c8
MR
711}
712
575db883
DB
713check_inline_asm(){
714 log check_inline_asm "$@"
940f335a 715 name="$1"
3784e82e 716 code="$2"
940f335a 717 shift 2
49214f61 718 disable $name
7fd90119 719 check_cc "$@" <<EOF && enable $name
3784e82e 720void foo(void){ __asm__ volatile($code); }
940f335a
MR
721EOF
722}
723
c6ebc9fa
MR
724check_insn(){
725 log check_insn "$@"
726 check_inline_asm ${1}_inline "\"$2\""
727 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
728}
729
304d586d
LM
730check_yasm(){
731 log check_yasm "$@"
732 echo "$1" > $TMPS
733 log_file $TMPS
734 shift 1
735 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
736}
737
29b64b68
MR
738ld_o(){
739 eval printf '%s\\n' $LD_O
740}
741
dcd479c0 742check_ld(){
57bd82d4 743 log check_ld "$@"
66a1ccd7
MR
744 flags=$(filter_out '-l*' "$@")
745 libs=$(filter '-l*' "$@")
01d31e16 746 check_cc $($cflags_filter $flags) || return
64933b6c
MR
747 flags=$($ldflags_filter $flags)
748 libs=$($ldflags_filter $libs)
29b64b68 749 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
dcd479c0
MR
750}
751
5adc829e
MR
752check_code(){
753 log check_code "$@"
754 check=$1
755 headers=$2
756 code=$3
757 shift 3
758 {
759 for hdr in $headers; do
760 echo "#include <$hdr>"
761 done
762 echo "int main(void) { $code; return 0; }"
763 } | check_$check "$@"
764}
765
50a334e4
MR
766check_cppflags(){
767 log check_cppflags "$@"
caf458dd 768 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
769int x;
770EOF
771}
772
dcd479c0 773check_cflags(){
57bd82d4 774 log check_cflags "$@"
01d31e16 775 set -- $($cflags_filter "$@")
caf458dd 776 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
777int x;
778EOF
779}
780
2ed46eea
MR
781test_ldflags(){
782 log test_ldflags "$@"
783 check_ld "$@" <<EOF
c23a0ac8 784int main(void){ return 0; }
dcd479c0
MR
785EOF
786}
787
2ed46eea
MR
788check_ldflags(){
789 log check_ldflags "$@"
790 test_ldflags "$@" && add_ldflags "$@"
791}
792
dcd479c0 793check_header(){
57bd82d4 794 log check_header "$@"
dcd479c0
MR
795 header=$1
796 shift
b77df637
MR
797 disable_safe $header
798 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
799#include <$header>
800int x;
801EOF
802}
803
804check_func(){
57bd82d4 805 log check_func "$@"
dcd479c0
MR
806 func=$1
807 shift
d8bc5f06
MR
808 disable $func
809 check_ld "$@" <<EOF && enable $func
dcd479c0 810extern int $func();
c23a0ac8 811int main(void){ $func(); }
dcd479c0
MR
812EOF
813}
814
645d2652 815check_mathfunc(){
6b73c0ae 816 log check_mathfunc "$@"
645d2652 817 func=$1
1aa07aa2
MR
818 narg=$2
819 shift 2
820 test $narg = 2 && args="f, g" || args="f"
645d2652
MR
821 disable $func
822 check_ld "$@" <<EOF && enable $func
823#include <math.h>
1aa07aa2 824float foo(float f, float g) { return $func($args); }
33bd38db 825int main(void){ return 0; }
645d2652
MR
826EOF
827}
828
2446d3d6
DB
829check_func_headers(){
830 log check_func_headers "$@"
f8d7b072 831 headers=$1
edaf1ae2 832 funcs=$2
f8d7b072 833 shift 2
edaf1ae2
MR
834 {
835 for hdr in $headers; do
836 echo "#include <$hdr>"
837 done
838 for func in $funcs; do
839 echo "long check_$func(void) { return (long) $func; }"
840 done
841 echo "int main(void) { return 0; }"
842 } | check_ld "$@" && enable $funcs && enable_safe $headers
f8d7b072
MR
843}
844
a5344cf7
SS
845check_cpp_condition(){
846 log check_cpp_condition "$@"
847 header=$1
848 condition=$2
f855b7b9 849 shift 2
cd52ec95 850 check_cpp "$@" <<EOF
a5344cf7
SS
851#include <$header>
852#if !($condition)
853#error "unsatisfied condition: $condition"
854#endif
855EOF
856}
857
57bd82d4
MR
858check_lib(){
859 log check_lib "$@"
860 header="$1"
861 func="$2"
862 shift 2
84400e9d 863 check_header $header && check_func $func "$@" && add_extralibs "$@"
57bd82d4
MR
864}
865
f8d7b072
MR
866check_lib2(){
867 log check_lib2 "$@"
868 headers="$1"
edaf1ae2 869 funcs="$2"
f8d7b072 870 shift 2
edaf1ae2 871 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
f8d7b072
MR
872}
873
3f8040db
MR
874check_pkg_config(){
875 log check_pkg_config "$@"
876 pkg="$1"
877 headers="$2"
878 funcs="$3"
879 shift 3
880 $pkg_config --exists $pkg || return
881 pkg_cflags=$($pkg_config --cflags $pkg)
882 pkg_libs=$($pkg_config --libs $pkg)
883 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
884 set_safe ${pkg}_cflags $pkg_cflags &&
885 set_safe ${pkg}_libs $pkg_libs
886}
887
dcd479c0 888check_exec(){
2270b4b2 889 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
890}
891
7dfef245 892check_exec_crash(){
5e622c40 893 code=$(cat)
7dfef245
MR
894
895 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
896 # are safe but may not be available everywhere. Thus we use
897 # raise(SIGTERM) instead. The check is run in a subshell so we
898 # can redirect the "Terminated" message from the shell. SIGBUS
899 # is not defined by standard C so it is used conditionally.
900
2270b4b2 901 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
902#include <signal.h>
903static void sighandler(int sig){
904 raise(SIGTERM);
905}
692dd8ed
MR
906int foo(void){
907 $code
908}
e5af4a11 909int main(void){
7dfef245
MR
910 signal(SIGILL, sighandler);
911 signal(SIGFPE, sighandler);
912 signal(SIGSEGV, sighandler);
913#ifdef SIGBUS
914 signal(SIGBUS, sighandler);
915#endif
692dd8ed 916 foo();
7dfef245
MR
917}
918EOF
919}
920
72be9e73
DY
921check_type(){
922 log check_type "$@"
923 headers=$1
924 type=$2
925 shift 2
ae550ce9 926 disable_safe "$type"
5adc829e 927 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
72be9e73
DY
928}
929
14d36751 930check_struct(){
813b82b9 931 log check_struct "$@"
14d36751
MR
932 headers=$1
933 struct=$2
934 member=$3
935 shift 3
936 disable_safe "${struct}_${member}"
5adc829e
MR
937 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
938 enable_safe "${struct}_${member}"
14d36751
MR
939}
940
9c7d85b3
DB
941check_builtin(){
942 log check_builtin "$@"
943 name=$1
944 headers=$2
945 builtin=$3
946 shift 3
947 disable "$name"
948 check_code ld "$headers" "$builtin" "$@" && enable "$name"
949}
950
57bd82d4
MR
951require(){
952 name="$1"
953 header="$2"
954 func="$3"
955 shift 3
956 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
957}
958
f8d7b072
MR
959require2(){
960 name="$1"
961 headers="$2"
962 func="$3"
963 shift 3
964 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
965}
966
3f8040db
MR
967require_pkg_config(){
968 pkg="$1"
969 check_pkg_config "$@" || die "ERROR: $pkg not found"
970 add_cflags $(get_safe ${pkg}_cflags)
971 add_extralibs $(get_safe ${pkg}_libs)
972}
973
ae43c4c0
MR
974hostcc_o(){
975 eval printf '%s\\n' $HOSTCC_O
976}
977
f0125de9
MR
978check_host_cc(){
979 log check_host_cc "$@"
980 cat > $TMPC
981 log_file $TMPC
ae43c4c0 982 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
f0125de9
MR
983}
984
4cc4b33f
DB
985check_host_cppflags(){
986 log check_host_cppflags "$@"
987 check_host_cc "$@" <<EOF && append host_cppflags "$@"
988int x;
989EOF
990}
991
f0125de9
MR
992check_host_cflags(){
993 log check_host_cflags "$@"
6c3fa06a 994 set -- $($host_cflags_filter "$@")
f0125de9
MR
995 check_host_cc "$@" <<EOF && append host_cflags "$@"
996int x;
997EOF
998}
999
c505dd31
MR
1000apply(){
1001 file=$1
1002 shift
1003 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1004}
1005
c34681df 1006cp_if_changed(){
5e27ec28
MR
1007 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1008 mkdir -p "$(dirname $2)"
4ebc6a74 1009 $cp_f "$1" "$2"
c34681df
MR
1010}
1011
dcd61286
DB
1012# CONFIG_LIST contains configurable options, while HAVE_LIST is for
1013# system-dependent things.
1014
4a0d6686
AJ
1015COMPONENT_LIST="
1016 bsfs
1017 decoders
1018 demuxers
1019 encoders
3cde40aa 1020 filters
5666fd73 1021 hwaccels
c552605c 1022 indevs
4a0d6686 1023 muxers
c552605c 1024 outdevs
4a0d6686
AJ
1025 parsers
1026 protocols
1027"
1028
3fc09b00
MR
1029EXTERNAL_LIBRARY_LIST="
1030 avisynth
1031 bzlib
1032 frei0r
1033 gnutls
1034 libcdio
1035 libdc1394
1036 libfaac
1037 libfdk_aac
1038 libfreetype
1039 libgsm
1040 libilbc
1041 libmp3lame
1042 libopencore_amrnb
1043 libopencore_amrwb
1044 libopencv
1045 libopenjpeg
1046 libopus
1047 libpulse
1048 librtmp
1049 libschroedinger
1050 libspeex
1051 libtheora
1052 libvo_aacenc
1053 libvo_amrwbenc
1054 libvorbis
1055 libvpx
1056 libx264
1057 libxavs
1058 libxvid
1059 openssl
1060 x11grab
1061 zlib
1062"
1063
70b348ec
DB
1064HWACCEL_LIST="
1065 dxva2
1066 vaapi
1067 vda
1068 vdpau
1069"
d89f2fa9
DB
1070LIBRARY_LIST="
1071 avcodec
1072 avdevice
1073 avfilter
1074 avformat
1075 avresample
1076 avutil
1077 swscale
1078"
1079
055c61b8
DB
1080PROGRAM_LIST="
1081 avconv
1082 avplay
1083 avprobe
1084 avserver
055c61b8
DB
1085"
1086
4a0d6686
AJ
1087CONFIG_LIST="
1088 $COMPONENT_LIST
3fc09b00 1089 $EXTERNAL_LIBRARY_LIST
70b348ec 1090 $HWACCEL_LIST
d89f2fa9 1091 $LIBRARY_LIST
055c61b8 1092 $PROGRAM_LIST
7f3f5f46 1093 dct
c73f65d9 1094 doc
0b499c9b 1095 error_resilience
1848f7d9 1096 fft
c88f5d72 1097 gpl
d8d0d0b2 1098 gray
3abe5fbd 1099 hardcoded_tables
b781cc12 1100 lsp
2a91ada8 1101 lzo
47a158cb 1102 mdct
c88f5d72 1103 memalign_hack
c88f5d72 1104 network
3fe142e2 1105 nonfree
8a3c8627 1106 pic
68602540 1107 rdft
e90f5b5a 1108 runtime_cpudetect
8cfbbd92 1109 safe_bitstream_reader
2e35e684 1110 shared
bd2216e4 1111 small
6b35d421 1112 sram
2e35e684 1113 static
a9ddb5b1 1114 swscale_alpha
8986fddc 1115 thumb
9cad0e4e 1116 version3
7e4d9d5d 1117 xmm_clobber_test
4a0d6686 1118"
c88f5d72 1119
8eee7025 1120THREADS_LIST='
8eee7025
DB
1121 pthreads
1122 w32threads
1123'
1124
f9f6402e
AK
1125ATOMICS_LIST='
1126 atomics_gcc
1127 atomics_win32
1128 atomics_suncc
1129'
1130
3f5b56e5 1131ARCH_LIST='
5873b623 1132 aarch64
3f5b56e5 1133 alpha
a2fc0f6a 1134 arm
fdcd782d
MR
1135 avr32
1136 avr32_ap
1137 avr32_uc
3f5b56e5
MR
1138 bfin
1139 ia64
1140 m68k
1141 mips
bae3abb0 1142 mips64
3f5b56e5 1143 parisc
79cb09b2 1144 ppc
34d11b87 1145 ppc64
3f5b56e5
MR
1146 s390
1147 sh4
1148 sparc
1149 sparc64
c75848cd
DB
1150 tilegx
1151 tilepro
0844bae1 1152 tomi
3f5b56e5
MR
1153 x86
1154 x86_32
1155 x86_64
1156'
1157
81dfa21e
MR
1158ARCH_EXT_LIST_ARM='
1159 armv5te
1160 armv6
1161 armv6t2
81dfa21e 1162 neon
b3267559 1163 vfp
81dfa21e
MR
1164 vfpv3
1165'
1166
50cd43f2 1167ARCH_EXT_LIST_X86='
3bf96eec 1168 amd3dnow
a1ef9f08 1169 amd3dnowext
50cd43f2
DB
1170 avx
1171 fma4
1172 mmx
1173 mmxext
1174 sse
1175 sse2
1176 sse3
1177 sse4
1178 sse42
1179 ssse3
1180'
1181
1182ARCH_EXT_LIST="
81dfa21e 1183 $ARCH_EXT_LIST_ARM
50cd43f2
DB
1184 $ARCH_EXT_LIST_X86
1185 altivec
799fde37 1186 ppc4xx
bd9d34a0 1187 vis
50cd43f2 1188"
3f5b56e5 1189
fd712a55
DB
1190HAVE_LIST_CMDLINE='
1191 inline_asm
1192 symver
1193 yasm
1194'
1195
a3e02a8c
MR
1196HAVE_LIST_PUB='
1197 bigendian
d268eee9 1198 fast_unaligned
a3e02a8c
MR
1199'
1200
79042ab3 1201MATH_FUNCS="
fab0a8b2
MR
1202 atanf
1203 atan2f
79042ab3 1204 cbrtf
fab0a8b2 1205 cosf
79042ab3
DB
1206 exp2
1207 exp2f
fab0a8b2 1208 expf
79042ab3
DB
1209 isinf
1210 isnan
fab0a8b2 1211 ldexpf
79042ab3
DB
1212 llrint
1213 llrintf
1214 log2
1215 log2f
fab0a8b2 1216 log10f
79042ab3
DB
1217 lrint
1218 lrintf
fab0a8b2 1219 powf
79042ab3
DB
1220 rint
1221 round
1222 roundf
fab0a8b2 1223 sinf
79042ab3
DB
1224 trunc
1225 truncf
1226"
1227
3f5b56e5
MR
1228HAVE_LIST="
1229 $ARCH_EXT_LIST
43b73d59
DB
1230 $(add_suffix _external $ARCH_EXT_LIST)
1231 $(add_suffix _inline $ARCH_EXT_LIST)
fd712a55 1232 $HAVE_LIST_CMDLINE
a3e02a8c 1233 $HAVE_LIST_PUB
3f5b56e5 1234 $THREADS_LIST
f9f6402e 1235 $ATOMICS_LIST
79042ab3 1236 $MATH_FUNCS
be1a839c 1237 aligned_malloc
59782b82 1238 aligned_stack
35fd8122 1239 alsa_asoundlib_h
3f5b56e5 1240 altivec_h
c9fdab0d 1241 arpa_inet_h
ec9d2c15 1242 asm_mod_q
6308729e 1243 asm_mod_y
817dff57 1244 atomic_cas_ptr
f9f6402e 1245 atomics_native
dffb41b9 1246 attribute_may_alias
e7ea5e3d 1247 attribute_packed
43e0e0c4
LB
1248 cdio_paranoia_h
1249 cdio_paranoia_paranoia_h
ecf97f22 1250 closesocket
1ac9331a 1251 cmov
15caccb9 1252 CommandLineToArgvW
180d43bc 1253 cpunop
1093383d 1254 CryptGenRandom
c88f5d72 1255 dcbzl
f8aa696f
DB
1256 dev_bktr_ioctl_bt848_h
1257 dev_bktr_ioctl_meteor_h
1258 dev_ic_bt8xx_h
f8aa696f 1259 dev_video_bktr_ioctl_bt848_h
3e0b1c9a 1260 dev_video_meteor_ioctl_meteor_h
ca6b544a 1261 direct_h
18b67ae5 1262 dlfcn_h
c88f5d72 1263 dlopen
bc574408 1264 dos_paths
fa845061 1265 dxva_h
245626d0
DB
1266 ebp_available
1267 ebx_available
c2a29455 1268 fast_64bit
669b5583 1269 fast_clz
7073e9fc 1270 fast_cmov
534a2231 1271 fcntl
9d99cc5a 1272 fork
84882df6 1273 getaddrinfo
da9e86f8 1274 gethrtime
667fb97a 1275 getopt
02e8f427 1276 GetProcessAffinityMask
fc5607f8 1277 GetProcessMemoryInfo
4e68cb8a 1278 GetProcessTimes
61183b5a 1279 GetSystemTimeAsFileTime
66be5b45 1280 getrusage
c3e73100 1281 getservbyport
61183b5a 1282 gettimeofday
a49d3025 1283 gnu_as
c7df1532 1284 gsm_h
2f0c136e 1285 ibm_asm
2e1913b1 1286 inet_aton
3b1ab197 1287 io_h
abfc8d05 1288 isatty
8772997d 1289 jack_port_get_latency_range
9f5ff83f 1290 ldbrx
0b4a1821
AS
1291 libdc1394_1
1292 libdc1394_2
d96cd429
MR
1293 local_aligned_16
1294 local_aligned_8
a5b64584 1295 localtime_r
85dd97ad 1296 loongson
f8aa696f
DB
1297 machine_ioctl_bt848_h
1298 machine_ioctl_meteor_h
65f1d45d 1299 machine_rw_barrier
c88f5d72 1300 malloc_h
73f6d31e 1301 MapViewOfFile
c88f5d72 1302 memalign
65f1d45d 1303 MemoryBarrier
6ffa87d3 1304 mkstemp
f80ddd5b 1305 mm_empty
0328b9ea 1306 mmap
e98b02de 1307 mprotect
4fa661a8 1308 msvcrt
d3d3a32c 1309 nanosleep
3e0b1c9a 1310 poll_h
1f91cdce 1311 posix_memalign
07b28702 1312 rdtsc
ea4d5f48 1313 sched_getaffinity
c88f5d72 1314 sdl
7e6a11bc 1315 SetConsoleTextAttribute
b507ebd1 1316 setmode
3e0b1c9a 1317 setrlimit
d3d3a32c 1318 Sleep
15d59d2c 1319 sndio_h
72be9e73 1320 socklen_t
deb29777 1321 soundcard_h
87958234 1322 strerror_r
6379900c 1323 strptime
47941088 1324 strtok_r
c0018613 1325 struct_addrinfo
75d339e0
MS
1326 struct_group_source_req
1327 struct_ip_mreq_source
b4d68544 1328 struct_ipv6_mreq
cdee08e3 1329 struct_pollfd
3e0b1c9a 1330 struct_rusage_ru_maxrss
b4d68544 1331 struct_sockaddr_in6
3b2372bf 1332 struct_sockaddr_sa_len
33a4dbdd 1333 struct_sockaddr_storage
a6a4793d 1334 struct_v4l2_frmivalenum_discrete
b462d132 1335 symver_asm_label
3e0b1c9a 1336 symver_gnu_asm
e460aa32 1337 sync_val_compare_and_swap
bcc73960 1338 sysconf
b9e22269 1339 sysctl
b58412f1 1340 sys_mman_h
06bb5905 1341 sys_param_h
b091aa44 1342 sys_resource_h
81644c2e 1343 sys_select_h
deb29777 1344 sys_soundcard_h
e64bceea 1345 sys_time_h
1b6e8b73 1346 sys_videoio_h
b265431e 1347 threads
542920b7 1348 unistd_h
d3d3a32c 1349 usleep
ce742de2 1350 vfp_args
7c5bfe7a 1351 VirtualAlloc
d3d3a32c 1352 windows_h
6ff3f3e7 1353 winsock2_h
cc078b5d 1354 xform_asm
6f74fb03 1355 xmm_clobbers
0cb78cef 1356"
44161118 1357
511cf612 1358# options emitted with CONFIG_ prefix but not available on the command line
b6bb00b0 1359CONFIG_EXTRA="
87849592 1360 aandcttables
bfe9f48a 1361 ac3dsp
aa11cb79 1362 audio_frame_queue
bfe9f48a 1363 gcrypt
478fd534 1364 golomb
9cad0e4e 1365 gplv3
478fd534
DB
1366 h264chroma
1367 h264dsp
1368 h264pred
915a2a0a 1369 h264qpel
478fd534 1370 huffman
9cad0e4e 1371 lgplv3
478fd534 1372 lpc
1e164c0b 1373 mpegaudio
bfe9f48a 1374 mpegaudiodsp
18bbca1f 1375 mpegvideo
ad08dfd5 1376 mpegvideoenc
bfe9f48a 1377 nettle
f704a079 1378 rangecoder
bfe9f48a 1379 rtpdec
5ad2f0bf 1380 rtpenc_chain
bfe9f48a 1381 sinewin
8c53d39e 1382 videodsp
ab9f9876 1383 vp3dsp
b6bb00b0
MR
1384"
1385
520cc7f1 1386CMDLINE_SELECT="
3f5b56e5 1387 $ARCH_EXT_LIST
520cc7f1 1388 $CONFIG_LIST
fd712a55 1389 $HAVE_LIST_CMDLINE
8eee7025 1390 $THREADS_LIST
c8a4ae00 1391 asm
db6107b6 1392 cross_compile
520cc7f1
MR
1393 debug
1394 extra_warnings
8c6afa4d 1395 logging
65d12900 1396 lto
d2bbb2f7 1397 optimizations
520cc7f1 1398"
426be5dc
DB
1399
1400PATHS_LIST='
d156bede 1401 bindir
14a8acf1 1402 datadir
26759c44
MR
1403 incdir
1404 libdir
26759c44
MR
1405 mandir
1406 prefix
1407 shlibdir
426be5dc
DB
1408'
1409
1410CMDLINE_SET="
1411 $PATHS_LIST
121d78d0 1412 ar
426be5dc 1413 arch
313c46a6 1414 as
426be5dc
DB
1415 build_suffix
1416 cc
1417 cpu
1418 cross_prefix
50567afa 1419 dep_cc
ac63af34 1420 extra_version
9da6609f
MR
1421 host_cc
1422 host_cflags
095792f2 1423 host_ld
9da6609f
MR
1424 host_ldflags
1425 host_libs
82bb3329 1426 host_os
684b28e0 1427 ld
426be5dc 1428 logfile
4ae40685 1429 malloc_prefix
89641463 1430 nm
9cd7b854 1431 optflags
3f8040db 1432 pkg_config
154caa67 1433 random_seed
2fad0977 1434 samples
c5200f17
MR
1435 sysinclude
1436 sysroot
a7ada2ba 1437 target_exec
26759c44 1438 target_os
a7ada2ba 1439 target_path
aeeb782c 1440 toolchain
426be5dc 1441"
520cc7f1 1442
89f2932b
MR
1443CMDLINE_APPEND="
1444 extra_cflags
4cc4b33f 1445 host_cppflags
89f2932b
MR
1446"
1447
912f3148
DB
1448# code dependency declarations
1449
9eeed841 1450# architecture extensions
808fa33c 1451
a2fc0f6a
MR
1452armv5te_deps="arm"
1453armv6_deps="arm"
ab5cb084 1454armv6t2_deps="arm"
808fa33c 1455neon_deps="arm"
b3267559
MR
1456vfp_deps="arm"
1457vfpv3_deps="vfp"
808fa33c 1458
637606de
MR
1459map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1460
808fa33c
MR
1461altivec_deps="ppc"
1462ppc4xx_deps="ppc"
1463
1464vis_deps="sparc"
1465
7f8c3d1f 1466x86_64_suggest="cmov fast_cmov"
50cd43f2 1467
808fa33c
MR
1468amd3dnow_deps="mmx"
1469amd3dnowext_deps="amd3dnow"
9eeed841 1470mmx_deps="x86"
239fdf1b 1471mmxext_deps="mmx"
50cd43f2
DB
1472sse_deps="mmxext"
1473sse2_deps="sse"
1474sse3_deps="sse2"
1475ssse3_deps="sse3"
1476sse4_deps="ssse3"
1477sse42_deps="sse4"
1478avx_deps="sse42"
79687079 1479fma4_deps="avx"
9eeed841 1480
43b73d59
DB
1481mmx_external_deps="yasm"
1482mmx_inline_deps="inline_asm"
1483mmx_suggest="mmx_external mmx_inline"
1484
1485for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1486 eval dep=\$${ext}_deps
1487 eval ${ext}_external_deps='"${dep}_external"'
1488 eval ${ext}_inline_deps='"${dep}_inline"'
1489 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1490done
1491
59782b82 1492aligned_stack_if_any="ppc x86"
e939cedd 1493fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
f0fe245b
MR
1494fast_clz_if_any="alpha avr32 mips ppc x86"
1495fast_unaligned_if_any="ppc x86"
669b5583 1496
6fec122a 1497inline_asm_deps="!tms470"
3e0b1c9a 1498need_memalign="altivec neon sse"
89e053f8 1499
b462d132
MR
1500symver_if_any="symver_asm_label symver_gnu_asm"
1501
88a35699
MS
1502log2_deps="!msvcrt"
1503
26fbcc85 1504# subsystems
dc609252 1505dct_select="rdft"
26fbcc85
MR
1506mdct_select="fft"
1507rdft_select="fft"
1e164c0b 1508mpegaudio_select="mpegaudiodsp"
c4f5c2d6 1509mpegaudiodsp_select="dct"
ed40b6bf 1510mpegvideo_select="videodsp"
ad08dfd5 1511mpegvideoenc_select="mpegvideo"
26fbcc85 1512
ed40b6bf 1513# decoders / encoders
cfc2a0cf 1514aac_decoder_select="mdct sinewin"
aa11cb79 1515aac_encoder_select="audio_frame_queue mdct sinewin"
136e19e1 1516aac_latm_decoder_select="aac_decoder aac_latm_parser"
6d9f52b2 1517ac3_decoder_select="mdct ac3dsp ac3_parser"
a5444fee 1518ac3_encoder_select="mdct ac3dsp"
3d269059 1519ac3_fixed_encoder_select="mdct ac3dsp"
f4d608e3 1520alac_encoder_select="lpc"
b781cc12 1521amrnb_decoder_select="lsp"
2b2a597e 1522amrwb_decoder_select="lsp"
4538729a 1523atrac1_decoder_select="mdct sinewin"
26fbcc85 1524atrac3_decoder_select="mdct"
a33657ce
DB
1525binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1526binkaudio_rdft_decoder_select="mdct rdft sinewin"
75644335 1527cavs_decoder_select="golomb h264chroma videodsp"
9b500b8f 1528comfortnoise_encoder_select="lpc"
4538729a 1529cook_decoder_select="mdct sinewin"
2a91ada8 1530cscd_decoder_select="lzo"
2eef7c62 1531cscd_decoder_suggest="zlib"
26fbcc85 1532dca_decoder_select="mdct"
ad08dfd5 1533dnxhd_encoder_select="aandcttables mpegvideoenc"
2eef7c62 1534dxa_decoder_select="zlib"
baf91bb9 1535eac3_decoder_select="ac3_decoder"
4264a0dd 1536eac3_encoder_select="ac3_encoder"
06b54e84 1537eamad_decoder_select="aandcttables mpegvideo"
87849592 1538eatgq_decoder_select="aandcttables"
cfe5908a 1539eatqi_decoder_select="aandcttables error_resilience mpegvideo"
f704a079
DB
1540ffv1_decoder_select="golomb rangecoder"
1541ffv1_encoder_select="rangecoder"
5a582bd3 1542ffvhuff_encoder_select="huffman"
4f034993 1543flac_decoder_select="golomb"
f4d608e3 1544flac_encoder_select="golomb lpc"
2eef7c62
AJ
1545flashsv_decoder_select="zlib"
1546flashsv_encoder_select="zlib"
c2d23309 1547flashsv2_decoder_select="zlib"
4414137e 1548flv_decoder_select="h263_decoder"
4d4b4bd1 1549flv_encoder_select="h263_encoder"
3447f12d 1550fraps_decoder_select="huffman"
c292f6a2 1551h261_decoder_select="error_resilience mpegvideo"
ad08dfd5 1552h261_encoder_select="aandcttables mpegvideoenc"
c292f6a2 1553h263_decoder_select="error_resilience h263_parser mpegvideo"
06b54e84 1554h263_encoder_select="aandcttables mpegvideoenc"
4414137e 1555h263i_decoder_select="h263_decoder"
fe629c2d 1556h263p_encoder_select="h263_encoder"
0b499c9b
RB
1557h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1558h264_decoder_suggest="error_resilience"
5a582bd3 1559huffyuv_encoder_select="huffman"
19be0f3c 1560iac_decoder_select="fft mdct sinewin"
56c8227d 1561imc_decoder_select="fft mdct sinewin"
4f034993
MR
1562jpegls_decoder_select="golomb"
1563jpegls_encoder_select="golomb"
ad08dfd5 1564ljpeg_encoder_select="aandcttables mpegvideoenc"
4f034993 1565loco_decoder_select="golomb"
c292f6a2 1566mdec_decoder_select="error_resilience mpegvideo"
ad08dfd5 1567mjpeg_encoder_select="aandcttables mpegvideoenc"
2cca233b 1568mlp_decoder_select="mlp_parser"
1e164c0b
DB
1569mp1_decoder_select="mpegaudio"
1570mp1float_decoder_select="mpegaudio"
1571mp2_decoder_select="mpegaudio"
1572mp2float_decoder_select="mpegaudio"
1573mp3_decoder_select="mpegaudio"
1574mp3adu_decoder_select="mpegaudio"
1575mp3adufloat_decoder_select="mpegaudio"
1576mp3float_decoder_select="mpegaudio"
1577mp3on4_decoder_select="mpegaudio"
1578mp3on4float_decoder_select="mpegaudio"
606c9297
DB
1579mpc7_decoder_select="mpegaudiodsp"
1580mpc8_decoder_select="mpegaudiodsp"
3e0b1c9a 1581mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
d767e2f9 1582mpeg_xvmc_decoder_select="mpeg2video_decoder"
c292f6a2 1583mpeg1video_decoder_select="error_resilience mpegvideo"
06b54e84 1584mpeg1video_encoder_select="aandcttables mpegvideoenc"
c292f6a2 1585mpeg2video_decoder_select="error_resilience mpegvideo"
06b54e84 1586mpeg2video_encoder_select="aandcttables mpegvideoenc"
3e0b1c9a
DB
1587mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1588mpeg4_encoder_select="h263_encoder"
4414137e 1589msmpeg4v1_decoder_select="h263_decoder"
4414137e 1590msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1591msmpeg4v2_encoder_select="h263_encoder"
4414137e 1592msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1593msmpeg4v3_encoder_select="h263_encoder"
06b54e84 1594mss2_decoder_select="error_resilience vc1_decoder"
4538729a 1595nellymoser_decoder_select="mdct sinewin"
aa11cb79 1596nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2a91ada8 1597nuv_decoder_select="lzo"
2eef7c62
AJ
1598png_decoder_select="zlib"
1599png_encoder_select="zlib"
b781cc12 1600qcelp_decoder_select="lsp"
c4f5c2d6 1601qdm2_decoder_select="mdct rdft mpegaudiodsp"
aa11cb79 1602ra_144_encoder_select="audio_frame_queue lpc"
9f43fdda 1603ralf_decoder_select="golomb"
06b54e84 1604rv10_decoder_select="error_resilience h263_decoder"
b2bf38b4 1605rv10_encoder_select="h263_encoder"
06b54e84 1606rv20_decoder_select="error_resilience h263_decoder"
b2bf38b4 1607rv20_encoder_select="h263_encoder"
870add0d
DB
1608rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1609rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
4f034993 1610shorten_decoder_select="golomb"
b781cc12 1611sipr_decoder_select="lsp"
06b54e84 1612svq1_encoder_select="aandcttables mpegvideoenc"
0b499c9b
RB
1613svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel mpegvideo videodsp"
1614svq3_decoder_suggest="error_resilience zlib"
4eef77c1 1615theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1616tiff_decoder_suggest="zlib"
1617tiff_encoder_suggest="zlib"
aec09a00 1618truehd_decoder_select="mlp_decoder"
2eef7c62 1619tscc_decoder_select="zlib"
4538729a 1620twinvq_decoder_select="mdct lsp sinewin"
aa661113 1621utvideo_encoder_select="huffman"
06b54e84 1622vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel"
45ecda85 1623vc1image_decoder_select="vc1_decoder"
26fbcc85
MR
1624vorbis_decoder_select="mdct"
1625vorbis_encoder_select="mdct"
8c53d39e 1626vp3_decoder_select="vp3dsp videodsp"
bcd0a713
DB
1627vp5_decoder_select="h264chroma videodsp vp3dsp"
1628vp6_decoder_select="h264chroma huffman videodsp vp3dsp"
e82dc4c9
DB
1629vp6a_decoder_select="vp6_decoder"
1630vp6f_decoder_select="vp6_decoder"
8c53d39e 1631vp8_decoder_select="h264pred videodsp"
4538729a
MR
1632wmapro_decoder_select="mdct sinewin"
1633wmav1_decoder_select="mdct sinewin"
1634wmav1_encoder_select="mdct sinewin"
1635wmav2_decoder_select="mdct sinewin"
1636wmav2_encoder_select="mdct sinewin"
1637wmavoice_decoder_select="lsp rdft dct mdct sinewin"
f95bfab0 1638wmv1_decoder_select="h263_decoder"
665507aa 1639wmv1_encoder_select="h263_encoder"
870add0d 1640wmv2_decoder_select="h263_decoder videodsp"
1746e2a9 1641wmv2_encoder_select="h263_encoder"
015f8ee0 1642wmv3_decoder_select="vc1_decoder"
45ecda85 1643wmv3image_decoder_select="wmv3_decoder"
0e714f88 1644zerocodec_decoder_select="zlib"
2eef7c62
AJ
1645zlib_decoder_select="zlib"
1646zlib_encoder_select="zlib"
1647zmbv_decoder_select="zlib"
1648zmbv_encoder_select="zlib"
30fd06be 1649
ed40b6bf 1650# hardware accelerators
215cdd35 1651dxva2_deps="dxva2api_h"
0afab17e 1652vaapi_deps="va_va_h"
ac3dbb4d 1653vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
9840130e 1654vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
c89c96e9
MR
1655vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1656
82ca17ac
DB
1657h263_vaapi_hwaccel_deps="vaapi"
1658h263_vaapi_hwaccel_select="h263_decoder"
1659h263_vdpau_hwaccel_deps="vdpau"
1660h263_vdpau_hwaccel_select="h263_decoder"
215cdd35
DB
1661h264_dxva2_hwaccel_deps="dxva2"
1662h264_dxva2_hwaccel_select="h264_decoder"
82ca17ac
DB
1663h264_vaapi_hwaccel_deps="vaapi"
1664h264_vaapi_hwaccel_select="h264_decoder"
1665h264_vda_hwaccel_deps="vda"
1666h264_vda_hwaccel_select="h264_decoder"
1667h264_vdpau_decoder_deps="vdpau"
1668h264_vdpau_decoder_select="h264_decoder"
1669h264_vdpau_hwaccel_deps="vdpau"
1670h264_vdpau_hwaccel_select="h264_decoder"
1671mpeg_vdpau_decoder_deps="vdpau"
d767e2f9 1672mpeg_vdpau_decoder_select="mpeg2video_decoder"
82ca17ac
DB
1673mpeg1_vdpau_decoder_deps="vdpau"
1674mpeg1_vdpau_decoder_select="mpeg1video_decoder"
1675mpeg1_vdpau_hwaccel_deps="vdpau"
1676mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
215cdd35
DB
1677mpeg2_dxva2_hwaccel_deps="dxva2"
1678mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
82ca17ac
DB
1679mpeg2_vaapi_hwaccel_deps="vaapi"
1680mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
1681mpeg2_vdpau_hwaccel_deps="vdpau"
1682mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
1683mpeg4_vaapi_hwaccel_deps="vaapi"
1684mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
1685mpeg4_vdpau_decoder_deps="vdpau"
1686mpeg4_vdpau_decoder_select="mpeg4_decoder"
1687mpeg4_vdpau_hwaccel_deps="vdpau"
1688mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
215cdd35
DB
1689vc1_dxva2_hwaccel_deps="dxva2"
1690vc1_dxva2_hwaccel_select="vc1_decoder"
82ca17ac
DB
1691vc1_vaapi_hwaccel_deps="vaapi"
1692vc1_vaapi_hwaccel_select="vc1_decoder"
1693vc1_vdpau_decoder_deps="vdpau"
1694vc1_vdpau_decoder_select="vc1_decoder"
1695vc1_vdpau_hwaccel_deps="vdpau"
1696vc1_vdpau_hwaccel_select="vc1_decoder"
ed40b6bf
DB
1697wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1698wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1699wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
77525327 1700wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
ed40b6bf 1701
28b80940 1702# parsers
0b499c9b 1703h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
c292f6a2
DB
1704mpeg4video_parser_select="error_resilience mpegvideo"
1705mpegvideo_parser_select="error_resilience mpegvideo"
06b54e84 1706vc1_parser_select="mpegvideo"
28b80940 1707
912f3148 1708# external libraries
c9171a83 1709libfaac_encoder_deps="libfaac"
aa11cb79 1710libfaac_encoder_select="audio_frame_queue"
37eeb5e2 1711libfdk_aac_encoder_deps="libfdk_aac"
aa11cb79 1712libfdk_aac_encoder_select="audio_frame_queue"
299c77d5
MR
1713libgsm_decoder_deps="libgsm"
1714libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1715libgsm_ms_decoder_deps="libgsm"
1716libgsm_ms_encoder_deps="libgsm"
3641b048
MS
1717libilbc_decoder_deps="libilbc"
1718libilbc_encoder_deps="libilbc"
1cc60c47 1719libmp3lame_encoder_deps="libmp3lame"
aa11cb79 1720libmp3lame_encoder_select="audio_frame_queue"
0b175caa
DB
1721libopencore_amrnb_decoder_deps="libopencore_amrnb"
1722libopencore_amrnb_encoder_deps="libopencore_amrnb"
aa11cb79 1723libopencore_amrnb_encoder_select="audio_frame_queue"
0b175caa 1724libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1725libopenjpeg_decoder_deps="libopenjpeg"
453c02f9 1726libopenjpeg_encoder_deps="libopenjpeg"
44617d6e 1727libopus_decoder_deps="libopus"
6cb8c854 1728libopus_encoder_deps="libopus"
aa11cb79 1729libopus_encoder_select="audio_frame_queue"
f7cd9eed
AS
1730libschroedinger_decoder_deps="libschroedinger"
1731libschroedinger_encoder_deps="libschroedinger"
ae14f311 1732libspeex_decoder_deps="libspeex"
b606a017 1733libspeex_encoder_deps="libspeex"
aa11cb79 1734libspeex_encoder_select="audio_frame_queue"
150d2772 1735libtheora_encoder_deps="libtheora"
d89e738a 1736libvo_aacenc_encoder_deps="libvo_aacenc"
aa11cb79 1737libvo_aacenc_encoder_select="audio_frame_queue"
f502ff3f 1738libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
b0caf888 1739libvorbis_encoder_deps="libvorbis"
aa11cb79 1740libvorbis_encoder_select="audio_frame_queue"
3f111804
LB
1741libvpx_vp8_decoder_deps="libvpx"
1742libvpx_vp8_encoder_deps="libvpx"
1743libvpx_vp9_decoder_deps="libvpx"
1744libvpx_vp9_encoder_deps="libvpx"
1cc60c47 1745libx264_encoder_deps="libx264"
de295976 1746libxavs_encoder_deps="libxavs"
1cc60c47 1747libxvid_encoder_deps="libxvid"
30fd06be 1748
912f3148 1749# demuxers / muxers
c2dd0e9e 1750ac3_demuxer_select="ac3_parser"
647c2356 1751asf_stream_muxer_select="asf_muxer"
4e622dea 1752avisynth_demuxer_deps="avisynth"
c2dd0e9e 1753dirac_demuxer_select="dirac_parser"
5b423887 1754eac3_demuxer_select="ac3_parser"
c2dd0e9e 1755flac_demuxer_select="flac_parser"
647c2356 1756ipod_muxer_select="mov_muxer"
31f16dc1 1757ismv_muxer_select="mov_muxer"
647c2356 1758matroska_audio_muxer_select="matroska_muxer"
2a91ada8 1759matroska_demuxer_suggest="bzlib lzo zlib"
4e622dea 1760mov_demuxer_suggest="zlib"
5ad2f0bf 1761mov_muxer_select="rtpenc_chain"
c2dd0e9e 1762mp3_demuxer_select="mpegaudio_parser"
647c2356 1763mp4_muxer_select="mov_muxer"
75644335 1764mpegts_muxer_select="adts_muxer latm_muxer"
647c2356
DB
1765mpegtsraw_demuxer_select="mpegts_demuxer"
1766mxf_d10_muxer_select="mxf_muxer"
24ca518b 1767ogg_demuxer_select="golomb"
647c2356 1768psp_muxer_select="mov_muxer"
44594cc7 1769rtp_demuxer_select="sdp_demuxer"
44b70ce5
MS
1770rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1771rtsp_demuxer_select="http_protocol rtpdec"
5ad2f0bf 1772rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
01c8d258 1773sap_demuxer_select="sdp_demuxer"
5ad2f0bf 1774sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
44b70ce5 1775sdp_demuxer_select="rtpdec"
e772f9fa 1776smoothstreaming_muxer_select="ismv_muxer"
f1e94694 1777spdif_muxer_select="aac_parser"
57231e4d 1778tak_demuxer_select="tak_parser"
647c2356
DB
1779tg2_muxer_select="mov_muxer"
1780tgp_muxer_select="mov_muxer"
6bdaa5f4 1781w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1782
1783# indevs / outdevs
38e54a75 1784alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
38e54a75 1785alsa_outdev_deps="alsa_asoundlib_h"
38e54a75 1786bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75 1787dv1394_indev_deps="dv1394 dv_demuxer"
c6f95144 1788fbdev_indev_deps="linux_fb_h"
38e54a75 1789jack_indev_deps="jack_jack_h"
e417d80d 1790libcdio_indev_deps="libcdio"
38e54a75 1791libdc1394_indev_deps="libdc1394"
38e54a75
SS
1792oss_indev_deps_any="soundcard_h sys_soundcard_h"
1793oss_outdev_deps_any="soundcard_h sys_soundcard_h"
0de9c41f 1794pulse_indev_deps="libpulse"
15d59d2c
B
1795sndio_indev_deps="sndio_h"
1796sndio_outdev_deps="sndio_h"
38e54a75 1797v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
ec1ee802 1798vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
a1b3c5a3 1799vfwcap_indev_extralibs="-lavicap32"
24f8961f 1800x11grab_indev_deps="x11grab XShmCreateImage"
30fd06be 1801
912f3148 1802# protocols
acd554c1
SP
1803ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1804ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1805ffrtmpcrypt_protocol_select="tcp_protocol"
775c4d36
SP
1806ffrtmphttp_protocol_deps="!librtmp_protocol"
1807ffrtmphttp_protocol_select="http_protocol"
998c1ee1 1808gopher_protocol_select="network"
c40e1757 1809httpproxy_protocol_select="tcp_protocol"
279a0c97 1810http_protocol_select="tcp_protocol"
183baead 1811https_protocol_select="tls_protocol"
c3b57d6e
DB
1812librtmp_protocol_deps="librtmp"
1813librtmpe_protocol_deps="librtmp"
1814librtmps_protocol_deps="librtmp"
1815librtmpt_protocol_deps="librtmp"
1816librtmpte_protocol_deps="librtmp"
c60a2d70 1817mmsh_protocol_select="http_protocol"
998c1ee1 1818mmst_protocol_select="network"
c3b57d6e 1819rtmp_protocol_deps="!librtmp_protocol"
deeb7012 1820rtmp_protocol_select="tcp_protocol"
acd554c1 1821rtmpe_protocol_select="ffrtmpcrypt_protocol"
6aedabc9
SP
1822rtmps_protocol_deps="!librtmp_protocol"
1823rtmps_protocol_select="tls_protocol"
775c4d36 1824rtmpt_protocol_select="ffrtmphttp_protocol"
08cd95e8 1825rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
6c1ed454 1826rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
deeb7012 1827rtp_protocol_select="udp_protocol"
998c1ee1
DB
1828sctp_protocol_deps="struct_sctp_event_subscribe"
1829sctp_protocol_select="network"
0eecafc9 1830srtp_protocol_select="rtp_protocol"
998c1ee1 1831tcp_protocol_select="network"
558d192d
MS
1832tls_protocol_deps_any="openssl gnutls"
1833tls_protocol_select="tcp_protocol"
998c1ee1 1834udp_protocol_select="network"
c08fb000 1835
6ebf0bfc 1836# filters
13fabd7a 1837blackframe_filter_deps="gpl"
ce6b6ef6 1838boxblur_filter_deps="gpl"
68b79bfc 1839cropdetect_filter_deps="gpl"
b157be1f 1840delogo_filter_deps="gpl"
a5b64584 1841drawtext_filter_deps="libfreetype"
2e5ff4d0 1842frei0r_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1843frei0r_filter_extralibs='$ldl'
a42bb9d6 1844frei0r_src_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1845frei0r_src_filter_extralibs='$ldl'
a4dc7aa5 1846hqdn3d_filter_deps="gpl"
d371e7b9 1847resample_filter_deps="avresample"
cf69ad35 1848ocv_filter_deps="libopencv"
2f296e39 1849scale_filter_deps="swscale"
acbac567 1850yadif_filter_deps="gpl"
6ebf0bfc 1851
5a0f7131 1852# libraries
d89f2fa9
DB
1853avcodec_deps="avutil"
1854avdevice_deps="avutil avcodec avformat"
1855avfilter_deps="avutil"
1856avformat_deps="avutil avcodec"
1857avresample_deps="avutil"
1858swscale_deps="avutil"
f7679c54 1859
912f3148 1860# programs
54fd593a 1861avconv_deps="avcodec avfilter avformat avresample swscale"
0a0e340f
DB
1862avconv_select="aformat_filter anull_filter asyncts_filter format_filter
1863 fps_filter null_filter resample_filter scale_filter
1864 setpts_filter"
d173ede1 1865avplay_deps="avcodec avformat avresample swscale sdl"
266463da 1866avplay_select="rdft"
9e12f0bf 1867avprobe_deps="avcodec avformat"
b263bf66 1868avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
4d58e4cb 1869avserver_extralibs='$ldl'
a2830dca 1870
c73f65d9 1871doc_deps="texi2html"
912f3148 1872
de6d9b64 1873# default parameters
8a608357 1874
19bd477d 1875logfile="config.log"
8a608357
MR
1876
1877# installation paths
c9d19248
MR
1878prefix_default="/usr/local"
1879bindir_default='${prefix}/bin'
6291d7e4 1880datadir_default='${prefix}/share/avconv'
c9d19248
MR
1881incdir_default='${prefix}/include'
1882libdir_default='${prefix}/lib'
1883mandir_default='${prefix}/share/man'
1884shlibdir_default="$libdir_default"
8a608357
MR
1885
1886# toolchain
121d78d0 1887ar_default="ar"
13c7df3d 1888cc_default="gcc"
9da6609f 1889host_cc_default="gcc"
4ebc6a74 1890cp_f="cp -f"
b58b00ae 1891ln_s="ln -s -f"
2a8a860a 1892nm_default="nm -g"
11e6d03a 1893objformat="elf"
3f8040db 1894pkg_config_default=pkg-config
be7109c1 1895ranlib="ranlib"
11e6d03a 1896yasmexe="yasm"
8a608357 1897
3e0b1c9a 1898nogas=":"
8182dc34 1899
8a608357 1900# machine
8d4c00ed 1901arch_default=$(uname -m)
38d0a8aa 1902cpu="generic"
8a608357 1903
8a608357 1904# OS
8d4c00ed
MR
1905target_os_default=$(tolower $(uname -s))
1906host_os=$target_os_default
8a608357 1907
8a608357 1908# configurable options
d89f2fa9 1909enable $LIBRARY_LIST $PROGRAM_LIST
3e0b1c9a 1910
3e0b1c9a
DB
1911enable asm
1912enable debug
1913enable doc
8400d6b8 1914enable optimizations
8cfbbd92 1915enable safe_bitstream_reader
530dc538 1916enable static
a9ddb5b1 1917enable swscale_alpha
8a608357 1918
2e2ec667
DB
1919# By default, enable only those hwaccels that have no external dependencies.
1920enable dxva2 vdpau
1921
8a608357 1922# build settings
9987769a 1923SHFLAGS='-shared -Wl,-soname,$$(@F)'
4d58e4cb 1924AVSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1925LIBPREF="lib"
1926LIBSUF=".a"
c5f14466
RP
1927FULLNAME='$(NAME)$(BUILDSUF)'
1928LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1929SLIBPREF="lib"
1930SLIBSUF=".so"
c5f14466 1931SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1932SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1933SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1934LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2f138f0b
MR
1935SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1936SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
ef0bc4c9 1937
68485d1f
MR
1938asflags_filter=echo
1939cflags_filter=echo
64933b6c
MR
1940ldflags_filter=echo
1941
23565c26 1942AS_C='-c'
bc877faf 1943AS_O='-o $@'
23565c26 1944CC_C='-c'
18031c49 1945CC_E='-E -o $@'
7e6c86e6 1946CC_O='-o $@'
a758c5e2 1947LD_O='-o $@'
8db73c61
MR
1948LD_LIB='-l%'
1949LD_PATH='-L'
23565c26 1950HOSTCC_C='-c'
a758c5e2 1951HOSTCC_O='-o $@'
095792f2 1952HOSTLD_O='-o $@'
7e6c86e6 1953
4cc4b33f
DB
1954host_cflags='-O3 -g'
1955host_cppflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600'
9da6609f 1956host_libs='-lm'
6c3fa06a
MR
1957host_cflags_filter=echo
1958host_ldflags_filter=echo
9da6609f 1959
9b861379 1960target_path='$(CURDIR)'
a7ada2ba 1961
a158446b
MR
1962# since the object filename is not given with the -MM flag, the compiler
1963# is only able to print the basename, and we must add the path ourselves
a758c5e2
MR
1964DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1965DEPFLAGS='-MM'
315c741d 1966
c597172e 1967# find source path
24524f36 1968if test -f configure; then
f038cf3c 1969 source_path=.
c597172e 1970else
8477f2de 1971 source_path=$(cd $(dirname "$0"); pwd)
c597172e 1972 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1973 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1974 test -e "$source_path/config.h" &&
1975 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1976fi
1977
13cbe2c0 1978for v in "$@"; do
b04251c5
MR
1979 r=${v#*=}
1980 l=${v%"$r"}
1981 r=$(sh_quote "$r")
29ba0911 1982 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
13cbe2c0 1983done
c597172e 1984
73ef8980
MR
1985find_things(){
1986 thing=$1
1987 pattern=$2
1988 file=$source_path/$3
932ccf39 1989 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1990}
1991
1992ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1993DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1994HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1995PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1996BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1997MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1998DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1999OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2000INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 2001PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 2002FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 2003
54e75be4
DB
2004ALL_COMPONENTS="
2005 $BSF_LIST
2006 $DECODER_LIST
2007 $DEMUXER_LIST
2008 $ENCODER_LIST
2009 $FILTER_LIST
2010 $HWACCEL_LIST
2011 $INDEV_LIST
2012 $MUXER_LIST
2013 $OUTDEV_LIST
2014 $PARSER_LIST
2015 $PROTOCOL_LIST
2016"
2017
8469ae22
MR
2018for n in $COMPONENT_LIST; do
2019 v=$(toupper ${n%s})_LIST
2020 eval enable \$$v
2021 eval ${n}_if_any="\$$v"
2022done
2023
206a070d 2024enable $ARCH_EXT_LIST
c597172e
MR
2025
2026die_unknown(){
2027 echo "Unknown option \"$1\"."
2028 echo "See $0 --help for available options."
2029 exit 1
2030}
2031
7432e872
DB
2032print_3_columns() {
2033 cat | tr ' ' '\n' | sort | pr -r -3 -t
2034}
2035
794f8e97 2036show_list() {
bf0c4afa
RP
2037 suffix=_$1
2038 shift
7432e872 2039 echo $* | sed s/$suffix//g | print_3_columns
794f8e97
PI
2040 exit 0
2041}
2042
154caa67
MR
2043rand_list(){
2044 IFS=', '
2045 set -- $*
2046 unset IFS
2047 for thing; do
2048 comp=${thing%:*}
2049 prob=${thing#$comp}
2050 prob=${prob#:}
2051 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2052 echo "prob ${prob:-0.5}"
2053 printf '%s\n' $comp
2054 done
2055}
2056
2057do_random(){
2058 action=$1
2059 shift
2060 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2061 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2062}
2063
c597172e 2064for opt do
7483e694
DB
2065 optval="${opt#*=}"
2066 case "$opt" in
ea061af1
DB
2067 --extra-ldflags=*)
2068 add_ldflags $optval
7e9e7cc2 2069 ;;
ea061af1
DB
2070 --extra-libs=*)
2071 add_extralibs $optval
7e9e7cc2 2072 ;;
ea061af1
DB
2073 --disable-devices)
2074 disable $INDEV_LIST $OUTDEV_LIST
7e9e7cc2 2075 ;;
ea061af1
DB
2076 --enable-debug=*)
2077 debuglevel="$optval"
7e9e7cc2
MR
2078 ;;
2079 --disable-programs)
2080 disable $PROGRAM_LIST
2081 ;;
2082 --disable-everything)
2083 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2084 ;;
844c6852
DB
2085 --disable-all)
2086 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2087 disable $LIBRARY_LIST $PROGRAM_LIST doc
2088 ;;
7e9e7cc2
MR
2089 --enable-random|--disable-random)
2090 action=${opt%%-random}
2091 do_random ${action#--} $COMPONENT_LIST
2092 ;;
2093 --enable-random=*|--disable-random=*)
2094 action=${opt%%-random=*}
2095 do_random ${action#--} $optval
2096 ;;
2097 --enable-*=*|--disable-*=*)
2098 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2099 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2100 eval list=\$$(toupper $thing)_LIST
2101 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2102 $action $(filter "$name" $list)
2103 ;;
2104 --enable-?*|--disable-?*)
2105 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2106 if is_in $option $COMPONENT_LIST; then
2107 test $action = disable && action=unset
2108 eval $action \$$(toupper ${option%s})_LIST
2109 elif is_in $option $CMDLINE_SELECT; then
2110 $action $option
2111 else
2112 die_unknown $opt
2113 fi
2114 ;;
2115 --list-*)
2116 NAME="${opt#--list-}"
2117 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2118 NAME=${NAME%s}
2119 eval show_list $NAME \$$(toupper $NAME)_LIST
2120 ;;
2121 --help|-h) show_help
2122 ;;
2123 *)
2124 optname="${opt%%=*}"
2125 optname="${optname#--}"
2126 optname=$(echo "$optname" | sed 's/-/_/g')
2127 if is_in $optname $CMDLINE_SET; then
2128 eval $optname='$optval'
2129 elif is_in $optname $CMDLINE_APPEND; then
2130 append $optname "$optval"
2131 else
2132 die_unknown $opt
2133 fi
2134 ;;
7483e694 2135 esac
c597172e
MR
2136done
2137
bcea99bb
MR
2138disabled logging && logfile=/dev/null
2139
29ba0911 2140echo "# $0 $LIBAV_CONFIGURATION" > $logfile
bcea99bb
MR
2141set >> $logfile
2142
9da6609f
MR
2143test -n "$cross_prefix" && enable cross_compile
2144
8d4c00ed
MR
2145if enabled cross_compile; then
2146 test -n "$arch" && test -n "$target_os" ||
2147 die "Must specify target arch and OS when cross-compiling"
2148fi
2149
121d78d0 2150ar_default="${cross_prefix}${ar_default}"
11e6d03a 2151cc_default="${cross_prefix}${cc_default}"
20e0ed95 2152nm_default="${cross_prefix}${nm_default}"
3f8040db 2153pkg_config_default="${cross_prefix}${pkg_config_default}"
adb2b908 2154ranlib="${cross_prefix}${ranlib}"
adb2b908 2155
c5200f17
MR
2156sysinclude_default="${sysroot}/usr/include"
2157
aeeb782c 2158case "$toolchain" in
0fbb62a8
LB
2159 clang-asan)
2160 cc_default="clang"
2161 add_cflags -faddress-sanitizer
2162 add_ldflags -faddress-sanitizer
2163 ;;
2164 clang-tsan)
2165 cc_default="clang"
2166 add_cflags -fthread-sanitizer
2167 add_ldflags -fthread-sanitizer
2168 ;;
aeeb782c
MR
2169 msvc)
2170 cc_default="c99wrap cl"
2171 ld_default="c99wrap link"
2172 nm_default="dumpbin -symbols"
ac3a9b51 2173 ar_default="lib"
53e8cd68 2174 target_os_default="win32"
aeeb782c
MR
2175 ;;
2176 ?*)
2177 die "Unknown toolchain $toolchain"
2178 ;;
2179esac
2180
53e8cd68 2181set_default arch cc pkg_config sysinclude target_os
9da6609f
MR
2182enabled cross_compile || host_cc_default=$cc
2183set_default host_cc
13c7df3d 2184
762f95e4
MR
2185if ! $pkg_config --version >/dev/null 2>&1; then
2186 warn "$pkg_config not found, library detection may fail."
2187 pkg_config=false
2188fi
2189
82bb3329
MR
2190exesuf() {
2191 case $1 in
53e8cd68 2192 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
82bb3329
MR
2193 esac
2194}
2195
2196EXESUF=$(exesuf $target_os)
2197HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 2198
e4e69e0b 2199# set temporary file name
a49d42c2 2200: ${TMPDIR:=$TEMPDIR}
c51fafa1 2201: ${TMPDIR:=$TMP}
a49d42c2 2202: ${TMPDIR:=/tmp}
e4e69e0b 2203
a210bce2 2204if ! check_cmd mktemp -u XXXXXX; then
54460a83
MR
2205 # simple replacement for missing mktemp
2206 # NOT SAFE FOR GENERAL USE
2207 mktemp(){
09a5c245 2208 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
54460a83
MR
2209 }
2210fi
2211
2212tmpfile(){
2213 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2214 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 2215 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
2216 append TMPFILES $tmp
2217 eval $1=$tmp
2218}
2219
2220trap 'rm -f -- $TMPFILES' EXIT
54460a83 2221
55127e7b 2222tmpfile TMPASM .asm
3e0b1c9a
DB
2223tmpfile TMPC .c
2224tmpfile TMPE $EXESUF
2225tmpfile TMPH .h
2226tmpfile TMPO .o
2227tmpfile TMPS .S
2228tmpfile TMPSH .sh
2229tmpfile TMPV .ver
54460a83
MR
2230
2231unset -f mktemp
e4e69e0b 2232
fb3c4ffc
MR
2233chmod +x $TMPE
2234
993f2d0f
MR
2235# make sure we can execute files in $TMPDIR
2236cat > $TMPSH 2>> $logfile <<EOF
2237#! /bin/sh
2238EOF
2239chmod +x $TMPSH >> $logfile 2>&1
2240if ! $TMPSH >> $logfile 2>&1; then
2241 cat <<EOF
2242Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2243variable to another directory and make sure that it is not mounted noexec.
2244EOF
2245 die "Sanity test failed."
2246fi
993f2d0f 2247
457cc333
MR
2248ccc_flags(){
2249 for flag; do
2250 case $flag in
2251 -std=c99) echo -c99 ;;
2252 -mcpu=*) echo -arch ${flag#*=} ;;
2253 -mieee) echo -ieee ;;
2254 -O*|-fast) echo $flag ;;
2255 -fno-math-errno) echo -assume nomath_errno ;;
2256 -g) echo -g3 ;;
2257 -Wall) echo -msg_enable level2 ;;
2258 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2259 -Wl,*) echo $flag ;;
2260 -f*|-W*) ;;
2261 *) echo $flag ;;
2262 esac
2263 done
2264}
2265
dfa559bc
RB
2266msvc_flags(){
2267 for flag; do
2268 case $flag in
2269 -fomit-frame-pointer) echo -Oy ;;
2270 -g) echo -Z7 ;;
2271 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2272 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
4a185ed2 2273 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
d66c52c2 2274 -wd4996 -wd4273 ;;
dfa559bc
RB
2275 -std=c99) ;;
2276 -fno-math-errno) ;;
2277 -fno-common) ;;
2278 -fno-signed-zeros) ;;
50640977 2279 -fPIC) ;;
dfa559bc 2280 -lz) echo zlib.lib ;;
bd680c7b
DB
2281 -lavifil32) echo vfw32.lib ;;
2282 -lavicap32) echo vfw32.lib user32.lib ;;
dfa559bc
RB
2283 -l*) echo ${flag#-l}.lib ;;
2284 *) echo $flag ;;
2285 esac
2286 done
2287}
2288
d0c6d424
MR
2289pgi_flags(){
2290 for flag; do
2291 case $flag in
643933f5 2292 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
d0c6d424
MR
2293 -fomit-frame-pointer) echo -Mnoframe ;;
2294 -g) echo -gopt ;;
2295 *) echo $flag ;;
2296 esac
2297 done
2298}
2299
2300suncc_flags(){
2301 for flag; do
2302 case $flag in
2303 -march=*|-mcpu=*)
2304 case "${flag#*=}" in
2305 native) echo -xtarget=native ;;
2306 v9|niagara) echo -xarch=sparc ;;
2307 ultrasparc) echo -xarch=sparcvis ;;
2308 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2309 i586|pentium) echo -xchip=pentium ;;
2310 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2311 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2312 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2313 pentium4*) echo -xtarget=pentium4 ;;
2314 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2315 *-sse3) echo -xarch=sse3 ;;
2316 core2) echo -xarch=ssse3 -xchip=core2 ;;
f2ce813e
SM
2317 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2318 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
b36f87ff 2319 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
d0c6d424
MR
2320 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2321 k8|opteron|athlon64|athlon-fx)
2322 echo -xarch=sse2a ;;
2323 athlon*) echo -xarch=pentium_proa ;;
2324 esac
2325 ;;
2326 -std=c99) echo -xc99 ;;
2327 -fomit-frame-pointer) echo -xregs=frameptr ;;
2328 -fPIC) echo -KPIC -xcode=pic32 ;;
2329 -W*,*) echo $flag ;;
5e753ed5
SM
2330 -f*-*|-W*|-mimpure-text) ;;
2331 -shared) echo -G ;;
d0c6d424
MR
2332 *) echo $flag ;;
2333 esac
2334 done
2335}
2336
2337tms470_flags(){
2338 for flag; do
2339 case $flag in
2340 -march=*|-mcpu=*)
2341 case "${flag#*=}" in
2342 armv7-a|cortex-a*) echo -mv=7a8 ;;
2343 armv7-r|cortex-r*) echo -mv=7r4 ;;
2344 armv7-m|cortex-m*) echo -mv=7m3 ;;
2345 armv6*|arm11*) echo -mv=6 ;;
2346 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2347 echo -mv=5e ;;
2348 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2349 esac
2350 ;;
2351 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2352 -mfpu=vfp) echo --float_support=vfpv2 ;;
2353 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
b5198a26 2354 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
d0c6d424
MR
2355 -msoft-float) echo --float_support=vfplib ;;
2356 -O[0-3]|-mf=*) echo $flag ;;
2357 -g) echo -g -mn ;;
2358 -pds=*) echo $flag ;;
ad93dccb
MR
2359 -D*|-I*) echo $flag ;;
2360 --gcc|--abi=*) echo $flag ;;
2361 -me) echo $flag ;;
d0c6d424
MR
2362 esac
2363 done
2364}
2365
a758c5e2
MR
2366probe_cc(){
2367 pfx=$1
2368 _cc=$2
2369
8db73c61
MR
2370 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2371 unset _ld_o _ldflags _ld_lib _ld_path
18031c49 2372 unset _depflags _DEPCMD _DEPFLAGS
a758c5e2
MR
2373 _flags_filter=echo
2374
2375 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2376 _type=llvm_gcc
2377 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2378 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2379 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2380 _cflags_speed='-O3'
2381 _cflags_size='-Os'
2382 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2383 _type=gcc
2384 gcc_version=$($_cc --version | head -n1)
2385 gcc_basever=$($_cc -dumpversion)
2386 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2387 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2388 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2389 if ! $_cc -dumpversion | grep -q '^2\.'; then
2390 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2391 fi
2392 _cflags_speed='-O3'
2393 _cflags_size='-Os'
b2d688ea 2394 elif $_cc --version 2>/dev/null | grep -q ^icc; then
a758c5e2
MR
2395 _type=icc
2396 _ident=$($_cc --version | head -n1)
2397 _depflags='-MMD'
2398 _cflags_speed='-O3'
2399 _cflags_size='-Os'
2400 _cflags_noopt='-O1'
2401 elif $_cc -v 2>&1 | grep -q xlc; then
2402 _type=xlc
2403 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2404 _cflags_speed='-O5'
2405 _cflags_size='-O5 -qcompact'
2406 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2407 _type=ccc
2408 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2409 _DEPFLAGS='-M'
a758c5e2
MR
2410 _cflags_speed='-fast'
2411 _cflags_size='-O1'
457cc333 2412 _flags_filter=ccc_flags
a758c5e2
MR
2413 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2414 test -d "$sysroot" || die "No valid sysroot specified."
2415 _type=armcc
2416 _ident=$($_cc --vsn | head -n1)
2417 armcc_conf="$PWD/armcc.conf"
2418 $_cc --arm_linux_configure \
2419 --arm_linux_config_file="$armcc_conf" \
2420 --configure_sysroot="$sysroot" \
2421 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2422 die "Error creating armcc configuration file."
2423 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2424 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2425 as_default="${cross_prefix}gcc"
2426 _depflags='-MMD'
2427 _cflags_speed='-O3'
2428 _cflags_size='-Os'
0122118e 2429 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
a758c5e2
MR
2430 _type=tms470
2431 _ident=$($_cc -version | head -n1 | tr -s ' ')
2432 _flags='--gcc --abi=eabi -me'
18031c49 2433 _cc_e='-ppl -fe=$@'
a758c5e2 2434 _cc_o='-fe=$@'
a758c5e2
MR
2435 _depflags='-ppa -ppd=$(@:.o=.d)'
2436 _cflags_speed='-O3 -mf=5'
2437 _cflags_size='-O3 -mf=2'
2438 _flags_filter=tms470_flags
2439 elif $_cc -v 2>&1 | grep -q clang; then
2440 _type=clang
2441 _ident=$($_cc --version | head -n1)
2442 _depflags='-MMD'
2443 _cflags_speed='-O3'
2444 _cflags_size='-Os'
2445 elif $_cc -V 2>&1 | grep -q Sun; then
2446 _type=suncc
2447 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2448 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
c72f12cb 2449 _DEPFLAGS='-xM1 -xc99'
a758c5e2
MR
2450 _ldflags='-std=c99'
2451 _cflags_speed='-O5'
2452 _cflags_size='-O5 -xspace'
2453 _flags_filter=suncc_flags
2454 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2455 _type=pathscale
2456 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2457 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2458 _cflags_speed='-O2'
2459 _cflags_size='-Os'
2460 _flags_filter='filter_out -Wdisabled-optimization'
2461 elif $_cc -v 2>&1 | grep -q Open64; then
2462 _type=open64
2463 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2464 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2465 _cflags_speed='-O2'
2466 _cflags_size='-Os'
2467 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2468 elif $_cc -V 2>&1 | grep -q Portland; then
2469 _type=pgi
2470 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
8f23907f 2471 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
a758c5e2
MR
2472 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2473 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2474 _cflags_noopt="-O1"
2475 _flags_filter=pgi_flags
dfa559bc
RB
2476 elif $_cc 2>&1 | grep -q Microsoft; then
2477 _type=msvc
2478 _ident=$($cc 2>&1 | head -n1)
2479 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2480 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2481 _cflags_speed="-O2"
2482 _cflags_size="-O1"
2483 # Nonstandard output options, to avoid msys path conversion issues, relies on wrapper to remap it
2484 if $_cc 2>&1 | grep -q Linker; then
2485 _ld_o='-out $@'
2486 else
2487 _ld_o='-Fe$@'
2488 fi
2489 _cc_o='-Fo $@'
a224b2cb 2490 _cc_e='-P -Fi $@'
dfa559bc
RB
2491 _flags_filter=msvc_flags
2492 _ld_lib='lib%.a'
2493 _ld_path='-libpath:'
2494 _flags='-nologo'
2495 _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2496 if [ $pfx = hostcc ]; then
6a0200f2 2497 append _cflags -Dsnprintf=_snprintf
dfa559bc 2498 fi
aef6bd1b 2499 fi
a758c5e2
MR
2500
2501 eval ${pfx}_type=\$_type
2502 eval ${pfx}_ident=\$_ident
2503}
2504
2505set_ccvars(){
23565c26 2506 eval ${1}_C=\${_cc_c-\${${1}_C}}
18031c49 2507 eval ${1}_E=\${_cc_e-\${${1}_E}}
a758c5e2
MR
2508 eval ${1}_O=\${_cc_o-\${${1}_O}}
2509
2510 if [ -n "$_depflags" ]; then
2511 eval ${1}_DEPFLAGS=\$_depflags
2512 else
2513 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2514 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2515 eval DEP${1}FLAGS=\$_flags
2516 fi
2517}
2518
2519probe_cc cc "$cc"
2520cflags_filter=$_flags_filter
2521cflags_speed=$_cflags_speed
2522cflags_size=$_cflags_size
2523cflags_noopt=$_cflags_noopt
2524add_cflags $_flags $_cflags
2525cc_ldflags=$_ldflags
2526set_ccvars CC
2527
2528probe_cc hostcc "$host_cc"
2529host_cflags_filter=$_flags_filter
a758c5e2 2530add_host_cflags $_flags $_cflags
a758c5e2 2531set_ccvars HOSTCC
629687f6 2532
851ffa80
MR
2533test -n "$cc_type" && enable $cc_type ||
2534 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 2535
75bafbac 2536: ${as_default:=$cc}
50567afa 2537: ${dep_cc_default:=$cc}
684b28e0 2538: ${ld_default:=$cc}
095792f2
MR
2539: ${host_ld_default:=$host_cc}
2540set_default ar as dep_cc ld host_ld
75800dce 2541
a758c5e2
MR
2542probe_cc as "$as"
2543asflags_filter=$_flags_filter
2544add_asflags $_flags $_cflags
2545set_ccvars AS
2546
2547probe_cc ld "$ld"
2548ldflags_filter=$_flags_filter
2549add_ldflags $_flags $_ldflags
2550test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2763587c 2551LD_O=${_ld_o-$LD_O}
8db73c61
MR
2552LD_LIB=${_ld_lib-$LD_LIB}
2553LD_PATH=${_ld_path-$LD_PATH}
a758c5e2 2554
095792f2
MR
2555probe_cc hostld "$host_ld"
2556host_ldflags_filter=$_flags_filter
2557add_host_ldflags $_flags $_ldflags
2558HOSTLD_O=${_ld_o-$HOSTLD_O}
2559
a758c5e2
MR
2560if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2561 probe_cc depcc "$dep_cc"
2562 CCDEP=${_DEPCMD:-$DEPCMD}
2563 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2564 DEPCCFLAGS=$_flags
2565fi
07dec06e 2566
3dbc777c
MR
2567if $ar 2>&1 | grep -q Microsoft; then
2568 arflags="-nologo"
2569 ar_o='-out:$@'
2570elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2571 arflags="rq"
2572 ar_o='$@'
2573else
2574 arflags="rc"
2575 ar_o='$@'
2576fi
2577
7f32f40c 2578add_cflags $extra_cflags
2f2e6c7c 2579add_asflags $extra_cflags
7f32f40c 2580
154d432c
MR
2581if test -n "$sysroot"; then
2582 case "$cc_type" in
00ba041c 2583 gcc|llvm_gcc|clang)
467256f2 2584 add_cppflags --sysroot="$sysroot"
154d432c
MR
2585 add_ldflags --sysroot="$sysroot"
2586 ;;
6fec122a
MR
2587 tms470)
2588 add_cppflags -I"$sysinclude"
2589 add_ldflags --sysroot="$sysroot"
2590 ;;
154d432c
MR
2591 esac
2592fi
2593
d22c13a8
MR
2594if test "$cpu" = host; then
2595 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2596
2597 case "$cc_type" in
613a4e3f 2598 gcc|llvm_gcc)
d22c13a8
MR
2599 check_native(){
2600 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
b695256e 2601 sed -n "/cc1.*$1=/{
27ce1be8
MR
2602 s/.*$1=\\([^ ]*\\).*/\\1/
2603 p
2604 q
2605 }" $TMPE
d22c13a8
MR
2606 }
2607 cpu=$(check_native -march || check_native -mcpu)
2608 ;;
2609 esac
2610
2611 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2612fi
2613
e939cedd
MR
2614# Deal with common $arch aliases
2615case "$arch" in
5873b623
MR
2616 aarch64|arm64)
2617 arch="aarch64"
2618 ;;
e939cedd
MR
2619 arm*)
2620 arch="arm"
2621 ;;
2acda282 2622 mips*|IP*)
e939cedd
MR
2623 arch="mips"
2624 ;;
a6e9d649 2625 parisc*|hppa*)
e939cedd
MR
2626 arch="parisc"
2627 ;;
56203596 2628 "Power Macintosh"|ppc*|powerpc*)
e939cedd
MR
2629 arch="ppc"
2630 ;;
e939cedd
MR
2631 s390|s390x)
2632 arch="s390"
2633 ;;
2634 sh4|sh)
2635 arch="sh4"
2636 ;;
4cd217c0 2637 sun4u|sparc*)
e939cedd 2638 arch="sparc"
e939cedd 2639 ;;
c75848cd
DB
2640 tilegx|tile-gx)
2641 arch="tilegx"
2642 ;;
d33ed7b3 2643 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
e939cedd
MR
2644 arch="x86"
2645 ;;
2646esac
2647
851ffa80 2648is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 2649enable $arch
e939cedd 2650
df5cdc24 2651# Add processor-specific flags
9ebd45c2 2652if enabled aarch64; then
33db40f8
MR
2653
2654 case $cpu in
2655 armv*)
2656 cpuflags="-march=$cpu"
2657 ;;
2658 *)
2659 cpuflags="-mcpu=$cpu"
2660 ;;
2661 esac
2662
2663elif enabled alpha; then
2664
2665 cpuflags="-mcpu=$cpu"
2666
2667elif enabled arm; then
2668
1234c66a
MR
2669 check_arm_arch() {
2670 check_cpp_condition stddef.h \
2671 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
2672 $cpuflags
2673 }
2674
2675 probe_arm_arch() {
2676 if check_arm_arch 4; then echo armv4;
2677 elif check_arm_arch 4T; then echo armv4t;
2678 elif check_arm_arch 5; then echo armv5;
2679 elif check_arm_arch 5E; then echo armv5e;
2680 elif check_arm_arch 5T; then echo armv5t;
2681 elif check_arm_arch 5TE; then echo armv5te;
2682 elif check_arm_arch 5TEJ; then echo armv5te;
2683 elif check_arm_arch 6; then echo armv6;
2684 elif check_arm_arch 6J; then echo armv6j;
2685 elif check_arm_arch 6K; then echo armv6k;
2686 elif check_arm_arch 6Z; then echo armv6z;
2687 elif check_arm_arch 6ZK; then echo armv6zk;
2688 elif check_arm_arch 6T2; then echo armv6t2;
2689 elif check_arm_arch 7; then echo armv7;
2690 elif check_arm_arch 7A 7_A; then echo armv7-a;
2691 elif check_arm_arch 7R 7_R; then echo armv7-r;
2692 elif check_arm_arch 7M 7_M; then echo armv7-m;
2693 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
2694 elif check_arm_arch 8A 8_A; then echo armv8-a;
2695 fi
2696 }
2697
2698 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
2699
33db40f8
MR
2700 case $cpu in
2701 armv*)
2702 cpuflags="-march=$cpu"
2703 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2704 ;;
2705 *)
2706 cpuflags="-mcpu=$cpu"
2707 case $cpu in
2708 cortex-a*) subarch=armv7a ;;
2709 cortex-r*) subarch=armv7r ;;
2710 cortex-m*) enable thumb; subarch=armv7m ;;
2711 arm11*) subarch=armv6 ;;
2712 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2713 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
1234c66a 2714 *) subarch=$(probe_arm_arch) ;;
33db40f8
MR
2715 esac
2716 ;;
2717 esac
2718
f0fe245b
MR
2719 case "$subarch" in
2720 armv5t*) enable fast_clz ;;
2721 armv[6-8]*) enable fast_clz fast_unaligned ;;
2722 esac
2723
33db40f8
MR
2724elif enabled avr32; then
2725
2726 case $cpu in
2727 ap7[02]0[0-2])
2728 subarch="avr32_ap"
2729 cpuflags="-mpart=$cpu"
2730 ;;
2731 ap)
2732 subarch="avr32_ap"
2733 cpuflags="-march=$cpu"
2734 ;;
2735 uc3[ab]*)
2736 subarch="avr32_uc"
2737 cpuflags="-mcpu=$cpu"
2738 ;;
2739 uc)
2740 subarch="avr32_uc"
2741 cpuflags="-march=$cpu"
2742 ;;
2743 esac
2744
2745elif enabled bfin; then
2746
2747 cpuflags="-mcpu=$cpu"
2748
2749elif enabled mips; then
2750
2751 cpuflags="-march=$cpu"
2752
5d54c126 2753elif enabled ppc; then
343aef9b 2754
56348891
MR
2755 case $(tolower $cpu) in
2756 601|ppc601|powerpc601)
9dbd5c3d 2757 cpuflags="-mcpu=601"
64ad53ff 2758 disable altivec
9dbd5c3d 2759 ;;
56348891 2760 603*|ppc603*|powerpc603*)
9dbd5c3d 2761 cpuflags="-mcpu=603"
64ad53ff 2762 disable altivec
9dbd5c3d 2763 ;;
56348891 2764 604*|ppc604*|powerpc604*)
9dbd5c3d 2765 cpuflags="-mcpu=604"
64ad53ff 2766 disable altivec
9dbd5c3d 2767 ;;
56348891 2768 g3|75*|ppc75*|powerpc75*)
7f1fcaf0 2769 cpuflags="-mcpu=750"
64ad53ff 2770 disable altivec
9dbd5c3d 2771 ;;
56348891 2772 g4|745*|ppc745*|powerpc745*)
7f1fcaf0 2773 cpuflags="-mcpu=7450"
9dbd5c3d 2774 ;;
56348891 2775 74*|ppc74*|powerpc74*)
7f1fcaf0 2776 cpuflags="-mcpu=7400"
9dbd5c3d 2777 ;;
313f9fbf 2778 g5|970|ppc970|powerpc970)
7f1fcaf0 2779 cpuflags="-mcpu=970"
9dbd5c3d 2780 ;;
313f9fbf 2781 power[3-7]*)
7f1fcaf0 2782 cpuflags="-mcpu=$cpu"
313f9fbf 2783 ;;
56348891 2784 cell)
9dbd5c3d
MR
2785 cpuflags="-mcpu=cell"
2786 enable ldbrx
2787 ;;
4ab26cb4
DB
2788 e500mc)
2789 cpuflags="-mcpu=e500mc"
2790 disable altivec
2791 ;;
7b0b81a1
AL
2792 e500v2)
2793 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2794 disable altivec
2795 ;;
2796 e500)
2797 cpuflags="-mcpu=8540 -mhard-float"
2798 disable altivec
2799 ;;
9dbd5c3d 2800 esac
343aef9b 2801
33db40f8
MR
2802elif enabled sparc; then
2803
2804 case $cpu in
2805 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
2806 cpuflags="-mcpu=$cpu"
2807 disable vis
2808 ;;
2809 ultrasparc*|niagara[234])
2810 cpuflags="-mcpu=$cpu"
2811 ;;
2812 esac
2813
343aef9b
MR
2814elif enabled x86; then
2815
9dbd5c3d
MR
2816 case $cpu in
2817 i[345]86|pentium)
2818 cpuflags="-march=$cpu"
2819 disable mmx
2820 ;;
2821 # targets that do NOT support conditional mov (cmov)
2822 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2823 cpuflags="-march=$cpu"
2824 disable cmov
2825 ;;
2826 # targets that do support conditional mov (cmov)
f2ce813e 2827 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
9dbd5c3d
MR
2828 cpuflags="-march=$cpu"
2829 enable cmov
2830 enable fast_cmov
2831 ;;
2832 # targets that do support conditional mov but on which it's slow
2833 pentium4|pentium4m|prescott|nocona)
2834 cpuflags="-march=$cpu"
2835 enable cmov
2836 disable fast_cmov
2837 ;;
2838 esac
343aef9b 2839
343aef9b
MR
2840fi
2841
9ebd45c2
MR
2842if [ "$cpu" != generic ]; then
2843 add_cflags $cpuflags
2844 add_asflags $cpuflags
2845fi
df5cdc24 2846
993f2d0f
MR
2847# compiler sanity check
2848check_exec <<EOF
2849int main(void){ return 0; }
2850EOF
2851if test "$?" != 0; then
2852 echo "$cc is unable to create an executable file."
2853 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2854 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2855 echo "Only do this if you know what cross compiling means."
2856 fi
2857 die "C compiler test failed."
2858fi
2859
046f081b 2860add_cppflags -D_ISOC99_SOURCE
e9b9a2f8 2861check_cflags -std=c99
50a334e4 2862check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2863#include <stdlib.h>
2864EOF
50a334e4 2865check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2866#include <stdlib.h>
2867EOF
e9b9a2f8 2868
f0125de9 2869check_host_cflags -std=c99
0a6db2a2 2870check_host_cflags -Wall
f0125de9 2871
d4c99513
MR
2872check_64bit(){
2873 arch32=$1
2874 arch64=$2
2875 expr=$3
2876 check_code cc "" "int test[2*($expr) - 1]" &&
2877 subarch=$arch64 || subarch=$arch32
2878}
2879
b24dbcbd 2880case "$arch" in
d11cb13b 2881 aarch64|alpha|ia64)
2acda282
MR
2882 spic=$shared
2883 ;;
2884 mips)
2885 check_64bit mips mips64 '_MIPS_SIM > 1'
8a3c8627 2886 spic=$shared
b24dbcbd 2887 ;;
a6e9d649
MR
2888 parisc)
2889 check_64bit parisc parisc64 'sizeof(void *) > 4'
2890 spic=$shared
2891 ;;
56203596
MR
2892 ppc)
2893 check_64bit ppc ppc64 'sizeof(void *) > 4'
1944d532 2894 spic=$shared
56203596 2895 ;;
4cd217c0
MR
2896 sparc)
2897 check_64bit sparc sparc64 'sizeof(void *) > 4'
2898 spic=$shared
2899 ;;
e939cedd 2900 x86)
d4c99513 2901 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
de27f4d9 2902 if test "$subarch" = "x86_64"; then
e939cedd 2903 spic=$shared
de27f4d9 2904 fi
b24dbcbd 2905 ;;
b24dbcbd
RP
2906esac
2907
343aef9b 2908enable $subarch
8a3c8627 2909enabled spic && enable pic
b24dbcbd 2910
7483e694 2911# OS specific
4f854758 2912case $target_os in
a1629e28 2913 haiku)
63ae7e7c 2914 prefix_default="/boot/common"
108caaaa 2915 network_extralibs="-lnetwork"
f59c4bd6 2916 host_libs=
a1629e28 2917 ;;
7483e694 2918 sunos)
4d58e4cb 2919 AVSERVERLDFLAGS=""
9987769a 2920 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2921 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2922 network_extralibs="-lsocket -lnsl"
779222db 2923 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
87a74f47
SM
2924 # When using suncc to build, the Solaris linker will mark
2925 # an executable with each instruction set encountered by
2926 # the Solaris assembler. As our libraries contain their own
2927 # guards for processor-specific code, instead suppress
2928 # generation of the HWCAPS ELF section on Solaris x86 only.
2929 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2a8a860a 2930 nm_default='nm -P -g'
7483e694
DB
2931 ;;
2932 netbsd)
a1e4b3f6 2933 disable symver
07a8eef6
MR
2934 oss_indev_extralibs="-lossaudio"
2935 oss_outdev_extralibs="-lossaudio"
7483e694 2936 ;;
d488c3bc 2937 openbsd|bitrig)
a1e4b3f6 2938 disable symver
7483e694 2939 SHFLAGS='-shared'
69dca3a4 2940 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
d5683aba 2941 SLIB_INSTALL_LINKS=
07a8eef6
MR
2942 oss_indev_extralibs="-lossaudio"
2943 oss_outdev_extralibs="-lossaudio"
7483e694 2944 ;;
a1e4b3f6 2945 dragonfly)
a1e4b3f6
MR
2946 disable symver
2947 ;;
2948 freebsd)
7483e694
DB
2949 ;;
2950 bsd/os)
355d81df 2951 add_extralibs -lpoll -lgnugetopt
7483e694
DB
2952 ;;
2953 darwin)
301ab19d 2954 gas="gas-preprocessor.pl $cc"
e08b8239 2955 enabled ppc && add_asflags -force_cpusubtype_ALL
49e35f49 2956 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
dff68563 2957 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
355d81df 2958 add_ldflags -Wl,-dynamic,-search_paths_first
7483e694
DB
2959 SLIBSUF=".dylib"
2960 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2961 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4d58e4cb 2962 AVSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2963 objformat="macho"
1b0f6fb8 2964 enabled x86_64 && objformat="macho64"
8dfa86f7 2965 enabled_any pic shared ||
2704bd1a 2966 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2967 ;;
2968 mingw32*)
9d3f4f50 2969 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2970 disable network
2971 else
2972 target_os=mingw32
2973 fi
dcc01c06 2974 LIBTARGET=i386
1fc9fb8a 2975 if enabled x86_64; then
417516f6 2976 LIBTARGET="i386:x86-64"
336cc1b0 2977 elif enabled arm; then
15c5156d 2978 LIBTARGET=arm-wince
dcc01c06 2979 fi
fbd971a4 2980 shlibdir_default="$bindir_default"
7483e694
DB
2981 SLIBPREF=""
2982 SLIBSUF=".dll"
7483e694
DB
2983 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2984 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
eb7018d2 2985 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2f138f0b
MR
2986 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2987 SLIB_INSTALL_LINKS=
2988 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2989 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
eb7018d2 2990 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2991 objformat="win32"
ec10a9ab 2992 dlltool="${cross_prefix}dlltool"
a3222470 2993 ranlib=:
bc574408 2994 enable dos_paths
7483e694 2995 ;;
53e8cd68 2996 win32|win64)
d66c52c2
MS
2997 if enabled shared; then
2998 # Link to the import library instead of the normal static library
2999 # for shared libs.
3000 LD_LIB='%.lib'
3001 # Cannot build shared and static libraries at the same time with
3002 # MSVC.
3003 disable static
3004 fi
3005 shlibdir_default="$bindir_default"
3006 SLIBPREF=""
3007 SLIBSUF=".dll"
3008 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3009 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3010 SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3011 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3012 SLIB_INSTALL_LINKS=
3013 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3014 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3015 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
53e8cd68
MS
3016 objformat="win32"
3017 ranlib=:
3018 enable dos_paths
3019 ;;
7483e694 3020 cygwin*)
4f854758 3021 target_os=cygwin
fbd971a4 3022 shlibdir_default="$bindir_default"
7483e694
DB
3023 SLIBPREF="cyg"
3024 SLIBSUF=".dll"
3025 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3026 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
f5d2c597
YS
3027 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3028 SLIB_INSTALL_LINKS=
3029 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3030 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
304d586d 3031 objformat="win32"
bc574408 3032 enable dos_paths
7483e694 3033 ;;
4f365f37 3034 *-dos|freedos|opendos)
4f365f37 3035 network_extralibs="-lsocket"
ff1c015d 3036 objformat="coff"
bc574408 3037 enable dos_paths
a7a187a1 3038 add_cppflags -U__STRICT_ANSI__
4f365f37 3039 ;;
7483e694 3040 linux)
7483e694
DB
3041 enable dv1394
3042 ;;
3043 irix*)
4f854758 3044 target_os=irix
7483e694
DB
3045 ranlib="echo ignoring ranlib"
3046 ;;
d22e8442 3047 os/2*)
d22e8442 3048 ln_s="cp -f"
9297f1ed 3049 objformat="aout"
e14574eb 3050 add_cppflags -D_GNU_SOURCE
355d81df 3051 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
71c61f62 3052 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4d58e4cb 3053 AVSERVERLDFLAGS=""
287d3b13 3054 LIBSUF="_s.a"
d22e8442
DY
3055 SLIBPREF=""
3056 SLIBSUF=".dll"
3057 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3058 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62 3059 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
f69f51b3
DB
3060 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3061 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3062 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3063 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3064 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
71c61f62 3065 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
f69f51b3 3066 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2f138f0b 3067 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
bc574408 3068 enable dos_paths
d22e8442 3069 ;;
83993c1c 3070 gnu/kfreebsd)
3bd1eacd 3071 add_cppflags -D_BSD_SOURCE
83993c1c 3072 ;;
34e82167 3073 gnu)
34e82167 3074 ;;
d33ed7b3
MR
3075 qnx)
3076 add_cppflags -D_QNX_SOURCE
3077 network_extralibs="-lsocket"
3078 ;;
1c69c79f
MS
3079 symbian)
3080 SLIBSUF=".dll"
3081 enable dos_paths
e3bc07f4
MS
3082 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3083 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3084 add_ldflags -Wl,--target1-abs,--no-undefined \
3085 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3086 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3087 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3088 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3089 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
1c69c79f 3090 ;;
fdd66609
MR
3091 osf1)
3092 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3093 AVSERVERLDFLAGS=
3094 ;;
741a8b72
MR
3095 minix)
3096 ;;
4ebc6a74
MR
3097 plan9)
3098 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3099 -D_REENTRANT_SOURCE \
3100 -D_RESEARCH_SOURCE \
3101 -DFD_SETSIZE=96 \
3102 -DHAVE_SOCK_OPTS
3103 add_compat strtod.o strtod=avpriv_strtod
3104 network_extralibs='-lbsd'
3105 exeobjs=compat/plan9/main.o
3106 disable avserver
4ebc6a74
MR
3107 cp_f='cp'
3108 ;;
614d8911
MR
3109 none)
3110 ;;
7483e694 3111 *)
4f924f9a 3112 die "Unknown OS '$target_os'."
7483e694
DB
3113 ;;
3114esac
3115
b797f3c4
MR
3116# determine libc flavour
3117
197252f1 3118# uclibc defines __GLIBC__, so it needs to be checked before glibc.
b797f3c4
MR
3119if check_cpp_condition features.h "defined __UCLIBC__"; then
3120 libc_type=uclibc
3bd1eacd 3121 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
b797f3c4
MR
3122elif check_cpp_condition features.h "defined __GLIBC__"; then
3123 libc_type=glibc
3bd1eacd 3124 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
29f1fa74
DB
3125# MinGW headers can be installed on Cygwin, so check for newlib first.
3126elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3127 libc_type=newlib
3128 add_cppflags -U__STRICT_ANSI__
b797f3c4
MR
3129elif check_header _mingw.h; then
3130 libc_type=mingw
3131 check_cpp_condition _mingw.h \
3132 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3133 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3134 die "ERROR: MinGW runtime version must be >= 3.15."
759a3a21 3135 add_cppflags -U__STRICT_ANSI__
4fa661a8
RB
3136elif check_func_headers stdlib.h _get_doserrno; then
3137 libc_type=msvcrt
84e65c76
MR
3138 add_compat strtod.o strtod=avpriv_strtod
3139 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3140 _snprintf=avpriv_snprintf \
3141 vsnprintf=avpriv_vsnprintf
b797f3c4
MR
3142elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3143 libc_type=klibc
3144fi
3145
3146test -n "$libc_type" && enable $libc_type
3147
5ab432fa
MR
3148# hacks for compiler/libc/os combinations
3149
3150if enabled_all tms470 glibc; then
b6f8d635 3151 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
5ab432fa
MR
3152 add_cppflags -D__USER_LABEL_PREFIX__=
3153 add_cppflags -D__builtin_memset=memset
3154 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3155 add_cflags -pds=48 # incompatible redefinition of macro
3156fi
3157
457cc333
MR
3158if enabled_all ccc glibc; then
3159 add_ldflags -Wl,-z,now # calls to libots crash without this
3160fi
3161
6555acad
MR
3162esc(){
3163 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3164}
3165
3166echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
db7515fd 3167
13cb2187
AS
3168check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
3169
c9d19248 3170set_default $PATHS_LIST
2a8a860a 3171set_default nm
c9d19248 3172
320d060a 3173# we need to build at least one lib type
93b3c083 3174if ! enabled_any static shared; then
320d060a
DB
3175 cat <<EOF
3176At least one library type must be built.
3177Specify --enable-static to build the static libraries or --enable-shared to
3178build the shared libraries as well. To only build the shared libraries specify
3179--disable-static in addition to --enable-shared.
3180EOF
3181 exit 1;
3182fi
3183
2184c6f7 3184die_license_disabled() {
4c27207c 3185 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
3186}
3187
e417d80d 3188die_license_disabled gpl libcdio
2184c6f7 3189die_license_disabled gpl libx264
de295976 3190die_license_disabled gpl libxavs
2184c6f7 3191die_license_disabled gpl libxvid
2184c6f7
DB
3192die_license_disabled gpl x11grab
3193
2f7ae63b 3194die_license_disabled nonfree libfaac
87246953 3195die_license_disabled nonfree libfdk_aac
a060866f 3196die_license_disabled nonfree openssl
b2e3c528 3197
0b175caa
DB
3198die_license_disabled version3 libopencore_amrnb
3199die_license_disabled version3 libopencore_amrwb
d89e738a 3200die_license_disabled version3 libvo_aacenc
f502ff3f 3201die_license_disabled version3 libvo_amrwbenc
0b175caa 3202
9cad0e4e 3203enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 3204
40617a6d 3205disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 3206
e276d9e8
MR
3207enable_pic() {
3208 enable pic
bce7b696
MR
3209 add_cppflags -DPIC
3210 add_cflags -fPIC
3211 add_asflags -fPIC
e276d9e8
MR
3212}
3213
3214enabled pic && enable_pic
bce7b696 3215
b4d96ba2
MR
3216check_cc <<EOF || die "Symbol mangling check failed."
3217int ff_extern;
3218EOF
2a8a860a 3219sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
3220extern_prefix=${sym%%ff_extern*}
3221
afb5ed55 3222check_cc <<EOF && enable_weak inline_asm
f65883c8
MR
3223void foo(void) { __asm__ volatile ("" ::); }
3224EOF
61d251db 3225
df5e3978
MR
3226_restrict=
3227for restrict_keyword in restrict __restrict__ __restrict; do
3228 check_cc <<EOF && _restrict=$restrict_keyword && break
3229void foo(char * $restrict_keyword p);
3230EOF
3231done
3232
3233check_cc <<EOF && enable attribute_packed
3234struct { int x; } __attribute__((packed)) x;
3235EOF
3236
dffb41b9
MR
3237check_cc <<EOF && enable attribute_may_alias
3238union { int x; } __attribute__((may_alias)) x;
3239EOF
3240
df5e3978
MR
3241check_cc <<EOF || die "endian test failed"
3242unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3243EOF
48fc536a 3244od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 3245
e939cedd
MR
3246if enabled alpha; then
3247
3248 check_cflags -mieee
3249
3250elif enabled arm; then
e45391bb 3251
66371c28 3252 check_cpp_condition stddef.h "defined __thumb__" && enable_weak thumb
8986fddc 3253 enabled thumb && check_cflags -mthumb || check_cflags -marm
301ab19d 3254 nogas=die
50fa82e6 3255
44caaa56
MR
3256 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3257 enable vfp_args
3258 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3259 case "${cross_prefix:-$cc}" in
3260 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3261 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
fa0912fe
MR
3262__asm__ (".eabi_attribute 28, 1");
3263int main(void) { return 0; }
3264EOF
44caaa56
MR
3265 esac
3266 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3267 fi
fa0912fe 3268
7f2b3dca
MR
3269 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
3270 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
3271 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
7f2b3dca 3272 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
b3267559 3273 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
7f2b3dca
MR
3274 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
3275
b57c1da8
MR
3276 [ $target_os = linux ] ||
3277 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
3278 $ARCH_EXT_LIST_ARM
e45391bb 3279
575db883
DB
3280 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3281 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
6308729e 3282
e276d9e8
MR
3283 enabled_all armv6t2 shared !pic && enable_pic
3284
fa0912fe 3285elif enabled mips; then
e45391bb 3286
575db883 3287 check_inline_asm loongson '"dmult.g $1, $2, $3"'
e45391bb 3288
5af530f5
MR
3289elif enabled parisc; then
3290
3291 if enabled gcc; then
3292 case $($cc -dumpversion) in
3293 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
3294 esac
3295 fi
3296
fa0912fe 3297elif enabled ppc; then
e45391bb 3298
e6a0c354
MR
3299 enable local_aligned_8 local_aligned_16
3300
575db883
DB
3301 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
3302 check_inline_asm ibm_asm '"add 0, 0, 0"'
3303 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
3304 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
3305
3306 # AltiVec flags: The FSF version of GCC differs from the Apple version
3307 if enabled altivec; then
301ab19d 3308 nogas=warn
fa0912fe
MR
3309 check_cflags -maltivec -mabi=altivec &&
3310 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3311 check_cflags -faltivec
3312
3313 # check if our compiler supports Motorola AltiVec C API
3314 check_cc <<EOF || disable altivec
3315$inc_altivec_h
3316int main(void) {
20bcce50
MR
3317 vector signed int v1 = (vector signed int) { 0 };
3318 vector signed int v2 = (vector signed int) { 1 };
3319 v1 = vec_add(v1, v2);
fa0912fe
MR
3320 return 0;
3321}
3322EOF
3323
20bcce50 3324 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
fa0912fe 3325 fi
e45391bb 3326
fa0912fe 3327elif enabled sparc; then
e45391bb 3328
6aa93689 3329 enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
e45391bb 3330
fa0912fe 3331elif enabled x86; then
e45391bb 3332
2a7ab2df
DB
3333 check_builtin rdtsc intrin.h "__rdtsc()"
3334 check_builtin mm_empty mmintrin.h "_mm_empty()"
f80ddd5b 3335
e6a0c354
MR
3336 enable local_aligned_8 local_aligned_16
3337
44965991
PI
3338 # check whether EBP is available on x86
3339 # As 'i' is stored on the stack, this program will crash
3340 # if the