g2meet: Allocate cursor buffers large enough to fit the aligned width
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
070c5d0f 3# Libav configure script
f57620d5 4#
949906ea
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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
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11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
c21d6325
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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
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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:$PATH
58
74c53c2d 59show_help(){
f69f51b3 60 cat <<EOF
06454877
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61Usage: configure [options]
62Options: [defaults in brackets after descriptions]
63
3b327a4b 64Help options:
06454877 65 --help print this message
3b327a4b
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66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
77
78Standard options:
19bd477d 79 --logfile=FILE log tests and output to FILE [config.log]
06454877
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80 --disable-logging do not log configure debug information
81 --prefix=PREFIX install in PREFIX [$prefix]
82 --bindir=DIR install binaries in DIR [PREFIX/bin]
6291d7e4 83 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
f4ca970d 84 --docdir=DIR install documentation in DIR [PREFIX/share/doc/libav]
06454877
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85 --libdir=DIR install libs in DIR [PREFIX/lib]
86 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
87 --incdir=DIR install includes in DIR [PREFIX/include]
88 --mandir=DIR install man page in DIR [PREFIX/share/man]
89
3b327a4b 90Licensing options:
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91 --enable-gpl allow use of GPL code, the resulting libs
92 and binaries will be under GPL [no]
93 --enable-version3 upgrade (L)GPL to version 3 [no]
94 --enable-nonfree allow use of nonfree code, the resulting libs
95 and binaries will be unredistributable [no]
3b327a4b
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96
97Configuration options:
98 --disable-static do not build static libraries [no]
99 --enable-shared build shared libraries [no]
100 --enable-small optimize for size instead of speed
101 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
102 --enable-gray enable full grayscale support (slower color)
103 --disable-swscale-alpha disable alpha channel support in swscale
844c6852 104 --disable-all disable building components, libraries and programs
3b327a4b 105
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106Program options:
107 --disable-programs do not build command line programs
6291d7e4 108 --disable-avconv disable avconv build
266463da 109 --disable-avplay disable avplay build
9e12f0bf 110 --disable-avprobe disable avprobe build
4d58e4cb 111 --disable-avserver disable avserver build
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112
113Component options:
114 --disable-doc do not build documentation
5a0f7131
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115 --disable-avdevice disable libavdevice build
116 --disable-avcodec disable libavcodec build
117 --disable-avformat disable libavformat build
d89f2fa9 118 --disable-avutil disable libavutil build
5a0f7131 119 --disable-swscale disable libswscale build
cccc039f 120 --disable-avfilter disable video filter support [no]
c8af852b 121 --disable-avresample disable libavresample build [no]
0dbfc1db 122 --disable-pthreads disable pthreads [auto]
7b7b220c 123 --disable-w32threads disable Win32 threads [auto]
06454877 124 --disable-network disable network support [no]
7f3f5f46 125 --disable-dct disable DCT code
0b499c9b 126 --disable-error-resilience disable error resilience code
193cdd9a 127 --disable-lsp disable LSP code
2a91ada8 128 --disable-lzo disable LZO decoder code
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129 --disable-mdct disable MDCT code
130 --disable-rdft disable RDFT code
3b327a4b 131 --disable-fft disable FFT code
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DB
132
133Hardware accelerators:
3b327a4b 134 --enable-dxva2 enable DXVA2 code
dcb73592 135 --enable-vaapi enable VAAPI code
ac3dbb4d 136 --enable-vda enable VDA code
e8f6bd4b 137 --enable-vdpau enable VDPAU code
3b327a4b
DB
138
139Individual component options:
bb55e3a3 140 --disable-everything disable all components listed below
06454877
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141 --disable-encoder=NAME disable encoder NAME
142 --enable-encoder=NAME enable encoder NAME
143 --disable-encoders disable all encoders
144 --disable-decoder=NAME disable decoder NAME
145 --enable-decoder=NAME enable decoder NAME
146 --disable-decoders disable all decoders
147 --disable-hwaccel=NAME disable hwaccel NAME
148 --enable-hwaccel=NAME enable hwaccel NAME
149 --disable-hwaccels disable all hwaccels
150 --disable-muxer=NAME disable muxer NAME
151 --enable-muxer=NAME enable muxer NAME
152 --disable-muxers disable all muxers
153 --disable-demuxer=NAME disable demuxer NAME
154 --enable-demuxer=NAME enable demuxer NAME
155 --disable-demuxers disable all demuxers
156 --enable-parser=NAME enable parser NAME
157 --disable-parser=NAME disable parser NAME
158 --disable-parsers disable all parsers
159 --enable-bsf=NAME enable bitstream filter NAME
160 --disable-bsf=NAME disable bitstream filter NAME
161 --disable-bsfs disable all bitstream filters
162 --enable-protocol=NAME enable protocol NAME
163 --disable-protocol=NAME disable protocol NAME
164 --disable-protocols disable all protocols
3b327a4b 165 --enable-indev=NAME enable input device NAME
06454877 166 --disable-indev=NAME disable input device NAME
06454877 167 --disable-indevs disable input devices
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168 --enable-outdev=NAME enable output device NAME
169 --disable-outdev=NAME disable output device NAME
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170 --disable-outdevs disable output devices
171 --disable-devices disable all devices
172 --enable-filter=NAME enable filter NAME
173 --disable-filter=NAME disable filter NAME
174 --disable-filters disable all filters
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175
176External library support:
03039f4c 177 --enable-avisynth enable reading of AviSynth script files [no]
06454877 178 --enable-bzlib enable bzlib [autodetect]
47941088 179 --enable-frei0r enable frei0r video filtering
bc8c1395 180 --enable-gnutls enable gnutls [no]
e417d80d 181 --enable-libcdio enable audio CD grabbing with libcdio
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182 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
183 and libraw1394 [no]
c547e5ff 184 --enable-libfaac enable AAC encoding via libfaac [no]
4f2b469d 185 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
a5b64584 186 --enable-libfreetype enable libfreetype [no]
c547e5ff 187 --enable-libgsm enable GSM de/encoding via libgsm [no]
3641b048 188 --enable-libilbc enable iLBC de/encoding via libilbc [no]
06454877 189 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
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190 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
191 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
192 --enable-libopencv enable video filtering via libopencv [no]
453c02f9 193 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
44617d6e 194 --enable-libopus enable Opus decoding via libopus [no]
7c922411 195 --enable-libpulse enable Pulseaudio input via libpulse [no]
0f943ce6 196 --enable-librtmp enable RTMP[E] support via librtmp [no]
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DB
197 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
198 --enable-libspeex enable Speex de/encoding via libspeex [no]
06454877 199 --enable-libtheora enable Theora encoding via libtheora [no]
d89e738a 200 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
f502ff3f 201 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
c547e5ff 202 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
3f111804 203 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
84d3ff50 204 --enable-libwavpack enable wavpack encoding via libwavpack [no]
06454877 205 --enable-libx264 enable H.264 encoding via x264 [no]
de295976 206 --enable-libxavs enable AVS encoding via xavs [no]
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207 --enable-libxvid enable Xvid encoding via xvidcore,
208 native MPEG-4/Xvid encoder exists [no]
a060866f 209 --enable-openssl enable openssl [no]
45235ac4 210 --enable-x11grab enable X11 grabbing [no]
06454877
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211 --enable-zlib enable zlib [autodetect]
212
213Advanced options (experts only):
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214 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
215 --enable-cross-compile assume a cross-compiler is used
216 --sysroot=PATH root of cross-build tree
217 --sysinclude=PATH location of cross-build system headers
218 --target-os=OS compiler targets OS [$target_os]
219 --target-exec=CMD command to run executables on target
220 --target-path=DIR path to view of build directory on target
ba13606c 221 --target-samples=DIR path to samples directory on target
aeeb782c 222 --toolchain=NAME set tool defaults according to NAME
06454877 223 --nm=NM use nm tool
121d78d0 224 --ar=AR use archive tool AR [$ar_default]
06454877
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225 --as=AS use assembler AS [$as_default]
226 --cc=CC use C compiler CC [$cc_default]
193cdd9a 227 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
06454877
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228 --ld=LD use linker LD
229 --host-cc=HOSTCC use host C compiler HOSTCC
230 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
4cc4b33f 231 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
095792f2 232 --host-ld=HOSTLD use host linker HOSTLD
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233 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
234 --host-libs=HLIBS use libs HLIBS when linking for host
193cdd9a 235 --host-os=OS compiler host OS [$target_os]
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236 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
237 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
238 --extra-libs=ELIBS add ELIBS [$ELIBS]
239 --extra-version=STRING version string suffix []
193cdd9a 240 --optflags=OPTFLAGS override optimization-related compiler flags
06454877 241 --build-suffix=SUFFIX library name suffix []
3b327a4b 242 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
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243 --arch=ARCH select architecture [$arch]
244 --cpu=CPU select the minimum required CPU (affects
245 instruction selection, may crash on older CPUs)
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DB
246 --enable-pic build position-independent code
247 --enable-sram allow use of on-chip SRAM
193cdd9a 248 --enable-thumb compile for Thumb instruction set
3b327a4b 249 --disable-symver disable symbol versioning
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DB
250 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
251 --disable-safe-bitstream-reader
252 disable buffer boundary checking in bitreaders
253 (faster, but may crash)
254 --enable-memalign-hack emulate memalign, interferes with memory debuggers
65d12900 255 --enable-lto use link-time optimization
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DB
256
257Optimization options (experts only):
c8a4ae00 258 --disable-asm disable all assembler optimizations
06454877
MR
259 --disable-altivec disable AltiVec optimizations
260 --disable-amd3dnow disable 3DNow! optimizations
261 --disable-amd3dnowext disable 3DNow! extended optimizations
262 --disable-mmx disable MMX optimizations
239fdf1b 263 --disable-mmxext disable MMXEXT optimizations
06454877 264 --disable-sse disable SSE optimizations
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DB
265 --disable-sse2 disable SSE2 optimizations
266 --disable-sse3 disable SSE3 optimizations
06454877 267 --disable-ssse3 disable SSSE3 optimizations
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DB
268 --disable-sse4 disable SSE4 optimizations
269 --disable-sse42 disable SSE4.2 optimizations
87f1355f 270 --disable-avx disable AVX optimizations
79687079 271 --disable-fma4 disable FMA4 optimizations
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272 --disable-armv5te disable armv5te optimizations
273 --disable-armv6 disable armv6 optimizations
274 --disable-armv6t2 disable armv6t2 optimizations
b3267559 275 --disable-vfp disable VFP optimizations
5ea20630 276 --disable-neon disable NEON optimizations
06454877 277 --disable-vis disable VIS optimizations
afb5ed55 278 --disable-inline-asm disable use of inline assembler
06454877 279 --disable-yasm disable use of yasm assembler
06454877 280
070c5d0f 281Developer options (useful when working on Libav itself):
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282 --disable-debug disable debugging symbols
283 --enable-debug=LEVEL set the debug level [$debuglevel]
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284 --disable-optimizations disable compiler optimizations
285 --enable-extra-warnings enable more compiler warnings
52b3cc60 286 --samples=PATH location of test samples for FATE, if not set use
9309bdfe 287 \$LIBAV_SAMPLES at make invocation time.
7e4d9d5d
RB
288 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
289 should be used only for debugging purposes)
154caa67
MR
290 --enable-random randomly enable/disable components
291 --disable-random
292 --enable-random=LIST randomly enable/disable specific components or
293 --disable-random=LIST component groups. LIST is a comma-separated list
294 of NAME[:PROB] entries where NAME is a component
295 (group) and PROB the probability associated with
296 NAME (default 0.5).
297 --random-seed=VALUE seed value for --enable/disable-random
06454877
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298
299NOTE: Object files are built at the place where configure is launched.
300EOF
60e8bc13 301 exit 0
74c53c2d 302}
cf9d24ad 303
0884fadf
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304quotes='""'
305
57bd82d4 306log(){
2270b4b2 307 echo "$@" >> $logfile
57bd82d4
MR
308}
309
720c69da 310log_file(){
c8e9f801 311 log BEGIN $1
2270b4b2 312 pr -n -t $1 >> $logfile
c8e9f801
MR
313 log END $1
314}
315
2ba042a7 316echolog(){
c8e9f801 317 log "$@"
57bd82d4 318 echo "$@"
2ba042a7
MR
319}
320
7bfc8ae6
MR
321warn(){
322 log "WARNING: $*"
323 WARNINGS="${WARNINGS}WARNING: $*\n"
324}
325
2ba042a7
MR
326die(){
327 echolog "$@"
328 cat <<EOF
d326cf7f 329
2ba042a7 330If you think configure made a mistake, make sure you are using the latest
4a6a21f5 331version from Git. If the latest version fails, report the problem to the
5045f6bd 332libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
2ba042a7 333EOF
e155a21a 334 if disabled logging; then
2ba042a7 335 cat <<EOF
e155a21a
DB
336Rerun configure with logging enabled (do not use --disable-logging), and
337include the log this produces with your report.
2ba042a7
MR
338EOF
339 else
f69f51b3 340 cat <<EOF
e155a21a
DB
341Include the log file "$logfile" produced by configure as this will help
342solving the problem.
2ba042a7
MR
343EOF
344 fi
57bd82d4
MR
345 exit 1
346}
347
6c6007d6 348# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 349toupper(){
6c6007d6 350 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
44161118
MR
351}
352
4a5444db 353tolower(){
6c6007d6 354 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
4a5444db
MR
355}
356
14a8acf1
MR
357c_escape(){
358 echo "$*" | sed 's/["\\]/\\\0/g'
359}
360
b04251c5
MR
361sh_quote(){
362 v=$(echo "$1" | sed "s/'/'\\\\''/g")
d72c981c 363 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
b04251c5
MR
364 echo "$v"
365}
366
bb7a22b5
MR
367cleanws(){
368 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
369}
370
be8f2501
MR
371filter(){
372 pat=$1
373 shift
374 for v; do
98ef6079 375 eval "case $v in $pat) echo $v ;; esac"
be8f2501
MR
376 done
377}
378
9d201b26
MR
379filter_out(){
380 pat=$1
381 shift
382 for v; do
383 eval "case $v in $pat) ;; *) echo $v ;; esac"
384 done
385}
386
36e2dea0
MR
387map(){
388 m=$1
389 shift
e0e335a0 390 for v; do eval $m; done
36e2dea0
MR
391}
392
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DB
393add_suffix(){
394 suffix=$1
395 shift
396 for v; do echo ${v}${suffix}; done
397}
398
a8d04fba
MR
399set_all(){
400 value=$1
401 shift
402 for var in $*; do
403 eval $var=$value
404 done
405}
406
72a43668
MR
407set_weak(){
408 value=$1
409 shift
410 for var; do
411 eval : \${$var:=$value}
412 done
413}
414
f868b24d
DB
415sanitize_var_name(){
416 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
417}
418
3f8040db
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419set_safe(){
420 var=$1
421 shift
f868b24d 422 eval $(sanitize_var_name "$var")='$*'
3f8040db
MR
423}
424
425get_safe(){
f868b24d 426 eval echo \$$(sanitize_var_name "$1")
3f8040db
MR
427}
428
799c9e9b 429pushvar(){
4d810ad2
MS
430 for pvar in $*; do
431 eval level=\${${pvar}_level:=0}
432 eval ${pvar}_${level}="\$$pvar"
433 eval ${pvar}_level=$(($level+1))
799c9e9b
MR
434 done
435}
436
437popvar(){
4d810ad2
MS
438 for pvar in $*; do
439 eval level=\${${pvar}_level:-0}
799c9e9b
MR
440 test $level = 0 && continue
441 eval level=$(($level-1))
4d810ad2
MS
442 eval $pvar="\${${pvar}_${level}}"
443 eval ${pvar}_level=$level
444 eval unset ${pvar}_${level}
799c9e9b
MR
445 done
446}
447
a8d04fba
MR
448enable(){
449 set_all yes $*
450}
451
452disable(){
453 set_all no $*
454}
455
72a43668
MR
456enable_weak(){
457 set_weak yes $*
458}
459
460disable_weak(){
461 set_weak no $*
462}
463
72702705 464enable_safe(){
fd07f803
MR
465 for var; do
466 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
467 done
72702705
MR
468}
469
470disable_safe(){
fd07f803
MR
471 for var; do
472 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
473 done
72702705
MR
474}
475
f9d328da
MR
476do_enable_deep(){
477 for var; do
478 enabled $var && continue
479 eval sel="\$${var}_select"
c510c7b5
MR
480 eval sgs="\$${var}_suggest"
481 pushvar var sgs
f9d328da 482 enable_deep $sel
c510c7b5
MR
483 popvar sgs
484 enable_deep_weak $sgs
f9d328da
MR
485 popvar var
486 done
487}
488
489enable_deep(){
490 do_enable_deep $*
491 enable $*
492}
493
72a43668 494enable_deep_weak(){
ffb068ce
MS
495 for var; do
496 disabled $var && continue
497 pushvar var
498 do_enable_deep $var
499 popvar var
500 enable_weak $var
501 done
72a43668
MR
502}
503
57bd82d4 504enabled(){
3250003c
MR
505 test "${1#!}" = "$1" && op== || op=!=
506 eval test "x\$${1#!}" $op "xyes"
44161118
MR
507}
508
37970ebf 509disabled(){
3250003c
MR
510 test "${1#!}" = "$1" && op== || op=!=
511 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
512}
513
44161118
MR
514enabled_all(){
515 for opt; do
516 enabled $opt || return 1
517 done
518}
519
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DB
520disabled_all(){
521 for opt; do
522 disabled $opt || return 1
523 done
524}
525
44161118
MR
526enabled_any(){
527 for opt; do
528 enabled $opt && return 0
529 done
530}
531
85bca2c5
DB
532disabled_any(){
533 for opt; do
534 disabled $opt && return 0
535 done
f7b230a7 536 return 1
85bca2c5
DB
537}
538
c9d19248
MR
539set_default(){
540 for opt; do
88268e94 541 eval : \${$opt:=\$${opt}_default}
c9d19248
MR
542 done
543}
544
4a0d6686
AJ
545is_in(){
546 value=$1
547 shift
548 for var in $*; do
549 [ $var = $value ] && return 0
550 done
551 return 1
552}
553
d4f8cecc 554do_check_deps(){
30fd06be 555 for cfg; do
3250003c 556 cfg="${cfg#!}"
799c9e9b
MR
557 enabled ${cfg}_checking && die "Circular dependency for $cfg."
558 disabled ${cfg}_checking && continue
559 enable ${cfg}_checking
d4f8cecc 560 append allopts $cfg
799c9e9b 561
30fd06be
MR
562 eval dep_all="\$${cfg}_deps"
563 eval dep_any="\$${cfg}_deps_any"
7ef3425f 564 eval dep_sel="\$${cfg}_select"
c510c7b5 565 eval dep_sgs="\$${cfg}_suggest"
3d7453e0
MR
566 eval dep_ifa="\$${cfg}_if"
567 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 568
3d7453e0 569 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
d4f8cecc 570 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
3d7453e0 571 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 572
3d7453e0
MR
573 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
574 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
6a702d4c
MR
575 enabled_all $dep_all || disable $cfg
576 enabled_any $dep_any || disable $cfg
7ef3425f 577 disabled_any $dep_sel && disable $cfg
799c9e9b 578
4ec45764 579 if enabled $cfg; then
f9d328da 580 enable_deep $dep_sel
c510c7b5 581 enable_deep_weak $dep_sgs
4ec45764
RP
582 fi
583
799c9e9b 584 disable ${cfg}_checking
30fd06be
MR
585 done
586}
587
d4f8cecc
MR
588check_deps(){
589 unset allopts
590
591 do_check_deps "$@"
592
593 for cfg in $allopts; do
594 enabled $cfg || continue
595 eval dep_extralibs="\$${cfg}_extralibs"
596 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
597 done
598}
599
44161118
MR
600print_config(){
601 pfx=$1
72cfcf41
MR
602 files=$2
603 shift 2
f454e879
MR
604 map 'eval echo "$v \${$v:-no}"' "$@" |
605 awk "BEGIN { split(\"$files\", files) }
606 {
607 c = \"$pfx\" toupper(\$1);
608 v = \$2;
609 sub(/yes/, 1, v);
610 sub(/no/, 0, v);
611 for (f in files) {
612 file = files[f];
613 if (file ~ /\\.h\$/) {
614 printf(\"#define %s %d\\n\", c, v) >>file;
615 } else if (file ~ /\\.asm\$/) {
616 printf(\"%%define %s %d\\n\", c, v) >>file;
617 } else if (file ~ /\\.mak\$/) {
d16c4aeb 618 n = -v ? \"\" : \"!\";
f454e879
MR
619 printf(\"%s%s=yes\\n\", n, c) >>file;
620 }
621 }
622 }"
57bd82d4
MR
623}
624
31c0121d 625print_enabled(){
31c0121d
MR
626 suf=$1
627 shift
628 for v; do
9eda2a85 629 enabled $v && printf "%s\n" ${v%$suf};
31c0121d
MR
630 done
631}
632
57bd82d4
MR
633append(){
634 var=$1
635 shift
57bd82d4
MR
636 eval "$var=\"\$$var $*\""
637}
638
60361817
MR
639prepend(){
640 var=$1
641 shift
642 eval "$var=\"$* \$$var\""
643}
644
50a334e4 645add_cppflags(){
cd52ec95 646 append CPPFLAGS "$@"
50a334e4
MR
647}
648
57bd82d4 649add_cflags(){
01d31e16 650 append CFLAGS $($cflags_filter "$@")
57bd82d4
MR
651}
652
2f2e6c7c 653add_asflags(){
01d31e16 654 append ASFLAGS $($asflags_filter "$@")
2f2e6c7c
MR
655}
656
57bd82d4 657add_ldflags(){
64933b6c 658 append LDFLAGS $($ldflags_filter "$@")
57bd82d4
MR
659}
660
661add_extralibs(){
64933b6c 662 prepend extralibs $($ldflags_filter "$@")
57bd82d4
MR
663}
664
4cc4b33f
DB
665add_host_cppflags(){
666 append host_cppflags "$@"
667}
668
6c3fa06a
MR
669add_host_cflags(){
670 append host_cflags $($host_cflags_filter "$@")
671}
672
673add_host_ldflags(){
674 append host_ldflags $($host_ldflags_filter "$@")
675}
676
84e65c76
MR
677add_compat(){
678 append compat_objs $1
679 shift
680 map 'add_cppflags -D$v' "$@"
681}
682
b0cfb663 683check_cmd(){
b3cb5d51 684 log "$@"
2270b4b2 685 "$@" >> $logfile 2>&1
b0cfb663
MR
686}
687
b2704a65
MR
688cc_o(){
689 eval printf '%s\\n' $CC_O
690}
691
18031c49
MR
692cc_e(){
693 eval printf '%s\\n' $CC_E
694}
695
dcd479c0 696check_cc(){
57bd82d4 697 log check_cc "$@"
2270b4b2 698 cat > $TMPC
720c69da 699 log_file $TMPC
23565c26 700 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
57bd82d4
MR
701}
702
703check_cpp(){
704 log check_cpp "$@"
2270b4b2 705 cat > $TMPC
720c69da 706 log_file $TMPC
18031c49 707 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
dcd479c0
MR
708}
709
df0d6341
MR
710as_o(){
711 eval printf '%s\\n' $AS_O
712}
713
f65883c8
MR
714check_as(){
715 log check_as "$@"
7fd90119
MR
716 cat > $TMPS
717 log_file $TMPS
718 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
f65883c8
MR
719}
720
575db883
DB
721check_inline_asm(){
722 log check_inline_asm "$@"
940f335a 723 name="$1"
3784e82e 724 code="$2"
940f335a 725 shift 2
49214f61 726 disable $name
7fd90119 727 check_cc "$@" <<EOF && enable $name
3784e82e 728void foo(void){ __asm__ volatile($code); }
940f335a
MR
729EOF
730}
731
c6ebc9fa
MR
732check_insn(){
733 log check_insn "$@"
734 check_inline_asm ${1}_inline "\"$2\""
735 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
736}
737
304d586d
LM
738check_yasm(){
739 log check_yasm "$@"
740 echo "$1" > $TMPS
741 log_file $TMPS
742 shift 1
743 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
744}
745
29b64b68
MR
746ld_o(){
747 eval printf '%s\\n' $LD_O
748}
749
dcd479c0 750check_ld(){
57bd82d4 751 log check_ld "$@"
66a1ccd7
MR
752 flags=$(filter_out '-l*' "$@")
753 libs=$(filter '-l*' "$@")
01d31e16 754 check_cc $($cflags_filter $flags) || return
64933b6c
MR
755 flags=$($ldflags_filter $flags)
756 libs=$($ldflags_filter $libs)
29b64b68 757 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
dcd479c0
MR
758}
759
5adc829e
MR
760check_code(){
761 log check_code "$@"
762 check=$1
763 headers=$2
764 code=$3
765 shift 3
766 {
767 for hdr in $headers; do
768 echo "#include <$hdr>"
769 done
770 echo "int main(void) { $code; return 0; }"
771 } | check_$check "$@"
772}
773
50a334e4
MR
774check_cppflags(){
775 log check_cppflags "$@"
caf458dd 776 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
777int x;
778EOF
779}
780
dcd479c0 781check_cflags(){
57bd82d4 782 log check_cflags "$@"
01d31e16 783 set -- $($cflags_filter "$@")
caf458dd 784 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
785int x;
786EOF
787}
788
2ed46eea
MR
789test_ldflags(){
790 log test_ldflags "$@"
791 check_ld "$@" <<EOF
c23a0ac8 792int main(void){ return 0; }
dcd479c0
MR
793EOF
794}
795
2ed46eea
MR
796check_ldflags(){
797 log check_ldflags "$@"
798 test_ldflags "$@" && add_ldflags "$@"
799}
800
dcd479c0 801check_header(){
57bd82d4 802 log check_header "$@"
dcd479c0
MR
803 header=$1
804 shift
b77df637
MR
805 disable_safe $header
806 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
807#include <$header>
808int x;
809EOF
810}
811
812check_func(){
57bd82d4 813 log check_func "$@"
dcd479c0
MR
814 func=$1
815 shift
d8bc5f06
MR
816 disable $func
817 check_ld "$@" <<EOF && enable $func
dcd479c0 818extern int $func();
c23a0ac8 819int main(void){ $func(); }
dcd479c0
MR
820EOF
821}
822
645d2652 823check_mathfunc(){
6b73c0ae 824 log check_mathfunc "$@"
645d2652 825 func=$1
1aa07aa2
MR
826 narg=$2
827 shift 2
828 test $narg = 2 && args="f, g" || args="f"
645d2652
MR
829 disable $func
830 check_ld "$@" <<EOF && enable $func
831#include <math.h>
1aa07aa2 832float foo(float f, float g) { return $func($args); }
33bd38db 833int main(void){ return 0; }
645d2652
MR
834EOF
835}
836
2446d3d6
DB
837check_func_headers(){
838 log check_func_headers "$@"
f8d7b072 839 headers=$1
edaf1ae2 840 funcs=$2
f8d7b072 841 shift 2
edaf1ae2
MR
842 {
843 for hdr in $headers; do
844 echo "#include <$hdr>"
845 done
846 for func in $funcs; do
847 echo "long check_$func(void) { return (long) $func; }"
848 done
849 echo "int main(void) { return 0; }"
850 } | check_ld "$@" && enable $funcs && enable_safe $headers
f8d7b072
MR
851}
852
a5344cf7
SS
853check_cpp_condition(){
854 log check_cpp_condition "$@"
855 header=$1
856 condition=$2
f855b7b9 857 shift 2
cd52ec95 858 check_cpp "$@" <<EOF
a5344cf7
SS
859#include <$header>
860#if !($condition)
861#error "unsatisfied condition: $condition"
862#endif
863EOF
864}
865
57bd82d4
MR
866check_lib(){
867 log check_lib "$@"
868 header="$1"
869 func="$2"
870 shift 2
84400e9d 871 check_header $header && check_func $func "$@" && add_extralibs "$@"
57bd82d4
MR
872}
873
f8d7b072
MR
874check_lib2(){
875 log check_lib2 "$@"
876 headers="$1"
edaf1ae2 877 funcs="$2"
f8d7b072 878 shift 2
edaf1ae2 879 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
f8d7b072
MR
880}
881
3f8040db
MR
882check_pkg_config(){
883 log check_pkg_config "$@"
884 pkg="$1"
885 headers="$2"
886 funcs="$3"
887 shift 3
7f9e893f 888 check_cmd $pkg_config --exists --print-errors $pkg || return
3f8040db
MR
889 pkg_cflags=$($pkg_config --cflags $pkg)
890 pkg_libs=$($pkg_config --libs $pkg)
891 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
892 set_safe ${pkg}_cflags $pkg_cflags &&
893 set_safe ${pkg}_libs $pkg_libs
894}
895
dcd479c0 896check_exec(){
2270b4b2 897 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
898}
899
7dfef245 900check_exec_crash(){
5e622c40 901 code=$(cat)
7dfef245
MR
902
903 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
904 # are safe but may not be available everywhere. Thus we use
905 # raise(SIGTERM) instead. The check is run in a subshell so we
906 # can redirect the "Terminated" message from the shell. SIGBUS
907 # is not defined by standard C so it is used conditionally.
908
2270b4b2 909 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
910#include <signal.h>
911static void sighandler(int sig){
912 raise(SIGTERM);
913}
692dd8ed
MR
914int foo(void){
915 $code
916}
9495cd17 917int (*func_ptr)(void) = foo;
e5af4a11 918int main(void){
7dfef245
MR
919 signal(SIGILL, sighandler);
920 signal(SIGFPE, sighandler);
921 signal(SIGSEGV, sighandler);
922#ifdef SIGBUS
923 signal(SIGBUS, sighandler);
924#endif
9495cd17 925 return func_ptr();
7dfef245
MR
926}
927EOF
928}
929
72be9e73
DY
930check_type(){
931 log check_type "$@"
932 headers=$1
933 type=$2
934 shift 2
ae550ce9 935 disable_safe "$type"
5adc829e 936 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
72be9e73
DY
937}
938
14d36751 939check_struct(){
813b82b9 940 log check_struct "$@"
14d36751
MR
941 headers=$1
942 struct=$2
943 member=$3
944 shift 3
945 disable_safe "${struct}_${member}"
5adc829e
MR
946 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
947 enable_safe "${struct}_${member}"
14d36751
MR
948}
949
9c7d85b3
DB
950check_builtin(){
951 log check_builtin "$@"
952 name=$1
953 headers=$2
954 builtin=$3
955 shift 3
956 disable "$name"
957 check_code ld "$headers" "$builtin" "$@" && enable "$name"
958}
959
57bd82d4
MR
960require(){
961 name="$1"
962 header="$2"
963 func="$3"
964 shift 3
965 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
966}
967
f8d7b072
MR
968require2(){
969 name="$1"
970 headers="$2"
971 func="$3"
972 shift 3
973 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
974}
975
3f8040db
MR
976require_pkg_config(){
977 pkg="$1"
978 check_pkg_config "$@" || die "ERROR: $pkg not found"
979 add_cflags $(get_safe ${pkg}_cflags)
980 add_extralibs $(get_safe ${pkg}_libs)
981}
982
ae43c4c0
MR
983hostcc_o(){
984 eval printf '%s\\n' $HOSTCC_O
985}
986
f0125de9
MR
987check_host_cc(){
988 log check_host_cc "$@"
989 cat > $TMPC
990 log_file $TMPC
ae43c4c0 991 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
f0125de9
MR
992}
993
4cc4b33f
DB
994check_host_cppflags(){
995 log check_host_cppflags "$@"
996 check_host_cc "$@" <<EOF && append host_cppflags "$@"
997int x;
998EOF
999}
1000
f0125de9
MR
1001check_host_cflags(){
1002 log check_host_cflags "$@"
6c3fa06a 1003 set -- $($host_cflags_filter "$@")
f0125de9
MR
1004 check_host_cc "$@" <<EOF && append host_cflags "$@"
1005int x;
1006EOF
1007}
1008
c505dd31
MR
1009apply(){
1010 file=$1
1011 shift
1012 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1013}
1014
c34681df 1015cp_if_changed(){
5e27ec28
MR
1016 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1017 mkdir -p "$(dirname $2)"
4ebc6a74 1018 $cp_f "$1" "$2"
c34681df
MR
1019}
1020
dcd61286
DB
1021# CONFIG_LIST contains configurable options, while HAVE_LIST is for
1022# system-dependent things.
1023
4a0d6686
AJ
1024COMPONENT_LIST="
1025 bsfs
1026 decoders
1027 demuxers
1028 encoders
3cde40aa 1029 filters
5666fd73 1030 hwaccels
c552605c 1031 indevs
4a0d6686 1032 muxers
c552605c 1033 outdevs
4a0d6686
AJ
1034 parsers
1035 protocols
1036"
1037
3fc09b00
MR
1038EXTERNAL_LIBRARY_LIST="
1039 avisynth
1040 bzlib
1041 frei0r
1042 gnutls
1043 libcdio
1044 libdc1394
1045 libfaac
1046 libfdk_aac
1047 libfreetype
1048 libgsm
1049 libilbc
1050 libmp3lame
1051 libopencore_amrnb
1052 libopencore_amrwb
1053 libopencv
1054 libopenjpeg
1055 libopus
1056 libpulse
1057 librtmp
1058 libschroedinger
1059 libspeex
1060 libtheora
1061 libvo_aacenc
1062 libvo_amrwbenc
1063 libvorbis
1064 libvpx
84d3ff50 1065 libwavpack
3fc09b00
MR
1066 libx264
1067 libxavs
1068 libxvid
1069 openssl
1070 x11grab
1071 zlib
1072"
1073
70b348ec
DB
1074HWACCEL_LIST="
1075 dxva2
1076 vaapi
1077 vda
1078 vdpau
1079"
d89f2fa9
DB
1080LIBRARY_LIST="
1081 avcodec
1082 avdevice
1083 avfilter
1084 avformat
1085 avresample
1086 avutil
1087 swscale
1088"
1089
055c61b8
DB
1090PROGRAM_LIST="
1091 avconv
1092 avplay
1093 avprobe
1094 avserver
055c61b8
DB
1095"
1096
4a0d6686
AJ
1097CONFIG_LIST="
1098 $COMPONENT_LIST
3fc09b00 1099 $EXTERNAL_LIBRARY_LIST
70b348ec 1100 $HWACCEL_LIST
d89f2fa9 1101 $LIBRARY_LIST
055c61b8 1102 $PROGRAM_LIST
7f3f5f46 1103 dct
c73f65d9 1104 doc
0b499c9b 1105 error_resilience
1848f7d9 1106 fft
c88f5d72 1107 gpl
d8d0d0b2 1108 gray
3abe5fbd 1109 hardcoded_tables
b781cc12 1110 lsp
2a91ada8 1111 lzo
47a158cb 1112 mdct
c88f5d72 1113 memalign_hack
c88f5d72 1114 network
3fe142e2 1115 nonfree
8a3c8627 1116 pic
68602540 1117 rdft
e90f5b5a 1118 runtime_cpudetect
8cfbbd92 1119 safe_bitstream_reader
2e35e684 1120 shared
bd2216e4 1121 small
6b35d421 1122 sram
2e35e684 1123 static
a9ddb5b1 1124 swscale_alpha
8986fddc 1125 thumb
9cad0e4e 1126 version3
7e4d9d5d 1127 xmm_clobber_test
4a0d6686 1128"
c88f5d72 1129
8eee7025 1130THREADS_LIST='
8eee7025
DB
1131 pthreads
1132 w32threads
1133'
1134
f9f6402e
AK
1135ATOMICS_LIST='
1136 atomics_gcc
f9f6402e 1137 atomics_suncc
93e65e9a 1138 atomics_win32
f9f6402e
AK
1139'
1140
3f5b56e5 1141ARCH_LIST='
5873b623 1142 aarch64
3f5b56e5 1143 alpha
a2fc0f6a 1144 arm
fdcd782d
MR
1145 avr32
1146 avr32_ap
1147 avr32_uc
3f5b56e5
MR
1148 bfin
1149 ia64
1150 m68k
1151 mips
bae3abb0 1152 mips64
3f5b56e5 1153 parisc
79cb09b2 1154 ppc
34d11b87 1155 ppc64
3f5b56e5
MR
1156 s390
1157 sh4
1158 sparc
1159 sparc64
c75848cd
DB
1160 tilegx
1161 tilepro
0844bae1 1162 tomi
3f5b56e5
MR
1163 x86
1164 x86_32
1165 x86_64
1166'
1167
81dfa21e
MR
1168ARCH_EXT_LIST_ARM='
1169 armv5te
1170 armv6
1171 armv6t2
81dfa21e 1172 neon
b3267559 1173 vfp
81dfa21e
MR
1174 vfpv3
1175'
1176
50cd43f2 1177ARCH_EXT_LIST_X86='
3bf96eec 1178 amd3dnow
a1ef9f08 1179 amd3dnowext
50cd43f2
DB
1180 avx
1181 fma4
84146963 1182 i686
50cd43f2
DB
1183 mmx
1184 mmxext
1185 sse
1186 sse2
1187 sse3
1188 sse4
1189 sse42
1190 ssse3
1191'
1192
1193ARCH_EXT_LIST="
81dfa21e 1194 $ARCH_EXT_LIST_ARM
50cd43f2
DB
1195 $ARCH_EXT_LIST_X86
1196 altivec
799fde37 1197 ppc4xx
bd9d34a0 1198 vis
50cd43f2 1199"
3f5b56e5 1200
fd712a55
DB
1201HAVE_LIST_CMDLINE='
1202 inline_asm
1203 symver
1204 yasm
1205'
1206
a3e02a8c
MR
1207HAVE_LIST_PUB='
1208 bigendian
d268eee9 1209 fast_unaligned
a3e02a8c
MR
1210'
1211
79042ab3 1212MATH_FUNCS="
fab0a8b2
MR
1213 atanf
1214 atan2f
79042ab3 1215 cbrtf
fab0a8b2 1216 cosf
79042ab3
DB
1217 exp2
1218 exp2f
fab0a8b2 1219 expf
79042ab3
DB
1220 isinf
1221 isnan
fab0a8b2 1222 ldexpf
79042ab3
DB
1223 llrint
1224 llrintf
1225 log2
1226 log2f
fab0a8b2 1227 log10f
79042ab3
DB
1228 lrint
1229 lrintf
fab0a8b2 1230 powf
79042ab3
DB
1231 rint
1232 round
1233 roundf
fab0a8b2 1234 sinf
79042ab3
DB
1235 trunc
1236 truncf
1237"
1238
3f5b56e5
MR
1239HAVE_LIST="
1240 $ARCH_EXT_LIST
43b73d59
DB
1241 $(add_suffix _external $ARCH_EXT_LIST)
1242 $(add_suffix _inline $ARCH_EXT_LIST)
fd712a55 1243 $HAVE_LIST_CMDLINE
a3e02a8c 1244 $HAVE_LIST_PUB
3f5b56e5 1245 $THREADS_LIST
f9f6402e 1246 $ATOMICS_LIST
79042ab3 1247 $MATH_FUNCS
be1a839c 1248 aligned_malloc
59782b82 1249 aligned_stack
35fd8122 1250 alsa_asoundlib_h
3f5b56e5 1251 altivec_h
c9fdab0d 1252 arpa_inet_h
ec9d2c15 1253 asm_mod_q
6308729e 1254 asm_mod_y
817dff57 1255 atomic_cas_ptr
f9f6402e 1256 atomics_native
dffb41b9 1257 attribute_may_alias
e7ea5e3d 1258 attribute_packed
43e0e0c4
LB
1259 cdio_paranoia_h
1260 cdio_paranoia_paranoia_h
ecf97f22 1261 closesocket
15caccb9 1262 CommandLineToArgvW
180d43bc 1263 cpunop
1093383d 1264 CryptGenRandom
c88f5d72 1265 dcbzl
f8aa696f
DB
1266 dev_bktr_ioctl_bt848_h
1267 dev_bktr_ioctl_meteor_h
1268 dev_ic_bt8xx_h
f8aa696f 1269 dev_video_bktr_ioctl_bt848_h
3e0b1c9a 1270 dev_video_meteor_ioctl_meteor_h
ca6b544a 1271 direct_h
18b67ae5 1272 dlfcn_h
c88f5d72 1273 dlopen
bc574408 1274 dos_paths
fa845061 1275 dxva_h
245626d0
DB
1276 ebp_available
1277 ebx_available
c2a29455 1278 fast_64bit
669b5583 1279 fast_clz
7073e9fc 1280 fast_cmov
534a2231 1281 fcntl
9d99cc5a 1282 fork
84882df6 1283 getaddrinfo
da9e86f8 1284 gethrtime
667fb97a 1285 getopt
02e8f427 1286 GetProcessAffinityMask
fc5607f8 1287 GetProcessMemoryInfo
4e68cb8a 1288 GetProcessTimes
61183b5a 1289 GetSystemTimeAsFileTime
66be5b45 1290 getrusage
c3e73100 1291 getservbyport
61183b5a 1292 gettimeofday
a49d3025 1293 gnu_as
c7df1532 1294 gsm_h
2f0c136e 1295 ibm_asm
2e1913b1 1296 inet_aton
3b1ab197 1297 io_h
ef5b70af 1298 inline_asm_labels
abfc8d05 1299 isatty
8772997d 1300 jack_port_get_latency_range
9f5ff83f 1301 ldbrx
0b4a1821
AS
1302 libdc1394_1
1303 libdc1394_2
d96cd429
MR
1304 local_aligned_16
1305 local_aligned_8
a5b64584 1306 localtime_r
85dd97ad 1307 loongson
f8aa696f
DB
1308 machine_ioctl_bt848_h
1309 machine_ioctl_meteor_h
65f1d45d 1310 machine_rw_barrier
c88f5d72 1311 malloc_h
73f6d31e 1312 MapViewOfFile
c88f5d72 1313 memalign
65f1d45d 1314 MemoryBarrier
6ffa87d3 1315 mkstemp
f80ddd5b 1316 mm_empty
0328b9ea 1317 mmap
e98b02de 1318 mprotect
4fa661a8 1319 msvcrt
d3d3a32c 1320 nanosleep
3e0b1c9a 1321 poll_h
1f91cdce 1322 posix_memalign
3a7050ff 1323 pragma_deprecated
07b28702 1324 rdtsc
ea4d5f48 1325 sched_getaffinity
c88f5d72 1326 sdl
7e6a11bc 1327 SetConsoleTextAttribute
b507ebd1 1328 setmode
3e0b1c9a 1329 setrlimit
d3d3a32c 1330 Sleep
15d59d2c 1331 sndio_h
72be9e73 1332 socklen_t
deb29777 1333 soundcard_h
87958234 1334 strerror_r
6379900c 1335 strptime
47941088 1336 strtok_r
c0018613 1337 struct_addrinfo
75d339e0
MS
1338 struct_group_source_req
1339 struct_ip_mreq_source
b4d68544 1340 struct_ipv6_mreq
cdee08e3 1341 struct_pollfd
3e0b1c9a 1342 struct_rusage_ru_maxrss
b4d68544 1343 struct_sockaddr_in6
3b2372bf 1344 struct_sockaddr_sa_len
33a4dbdd 1345 struct_sockaddr_storage
a6a4793d 1346 struct_v4l2_frmivalenum_discrete
b462d132 1347 symver_asm_label
3e0b1c9a 1348 symver_gnu_asm
e460aa32 1349 sync_val_compare_and_swap
bcc73960 1350 sysconf
b9e22269 1351 sysctl
b58412f1 1352 sys_mman_h
06bb5905 1353 sys_param_h
b091aa44 1354 sys_resource_h
81644c2e 1355 sys_select_h
deb29777 1356 sys_soundcard_h
e64bceea 1357 sys_time_h
60538758 1358 sys_un_h
1b6e8b73 1359 sys_videoio_h
b265431e 1360 threads
542920b7 1361 unistd_h
d3d3a32c 1362 usleep
ce742de2 1363 vfp_args
7c5bfe7a 1364 VirtualAlloc
d3d3a32c 1365 windows_h
6ff3f3e7 1366 winsock2_h
cc078b5d 1367 xform_asm
6f74fb03 1368 xmm_clobbers
0cb78cef 1369"
44161118 1370
511cf612 1371# options emitted with CONFIG_ prefix but not available on the command line
b6bb00b0 1372CONFIG_EXTRA="
87849592 1373 aandcttables
bfe9f48a 1374 ac3dsp
aa11cb79 1375 audio_frame_queue
b93b27ed 1376 dsputil
bfe9f48a 1377 gcrypt
478fd534 1378 golomb
9cad0e4e 1379 gplv3
478fd534
DB
1380 h264chroma
1381 h264dsp
1382 h264pred
915a2a0a 1383 h264qpel
68d8238c 1384 hpeldsp
478fd534 1385 huffman
9cad0e4e 1386 lgplv3
478fd534 1387 lpc
1e164c0b 1388 mpegaudio
bfe9f48a 1389 mpegaudiodsp
18bbca1f 1390 mpegvideo
ad08dfd5 1391 mpegvideoenc
bfe9f48a 1392 nettle
f704a079 1393 rangecoder
255d9c57 1394 riffdec
3dd5c95d 1395 riffenc
bfe9f48a 1396 rtpdec
5ad2f0bf 1397 rtpenc_chain
bfe9f48a 1398 sinewin
8c53d39e 1399 videodsp
ab9f9876 1400 vp3dsp
b6bb00b0
MR
1401"
1402
520cc7f1 1403CMDLINE_SELECT="
3f5b56e5 1404 $ARCH_EXT_LIST
520cc7f1 1405 $CONFIG_LIST
fd712a55 1406 $HAVE_LIST_CMDLINE
8eee7025 1407 $THREADS_LIST
c8a4ae00 1408 asm
db6107b6 1409 cross_compile
520cc7f1
MR
1410 debug
1411 extra_warnings
8c6afa4d 1412 logging
65d12900 1413 lto
d2bbb2f7 1414 optimizations
520cc7f1 1415"
426be5dc
DB
1416
1417PATHS_LIST='
d156bede 1418 bindir
14a8acf1 1419 datadir
f4ca970d 1420 docdir
26759c44
MR
1421 incdir
1422 libdir
26759c44
MR
1423 mandir
1424 prefix
1425 shlibdir
426be5dc
DB
1426'
1427
1428CMDLINE_SET="
1429 $PATHS_LIST
121d78d0 1430 ar
426be5dc 1431 arch
313c46a6 1432 as
426be5dc
DB
1433 build_suffix
1434 cc
1435 cpu
1436 cross_prefix
50567afa 1437 dep_cc
ac63af34 1438 extra_version
9da6609f
MR
1439 host_cc
1440 host_cflags
095792f2 1441 host_ld
9da6609f
MR
1442 host_ldflags
1443 host_libs
82bb3329 1444 host_os
684b28e0 1445 ld
426be5dc 1446 logfile
4ae40685 1447 malloc_prefix
89641463 1448 nm
9cd7b854 1449 optflags
3f8040db 1450 pkg_config
154caa67 1451 random_seed
2fad0977 1452 samples
c5200f17
MR
1453 sysinclude
1454 sysroot
a7ada2ba 1455 target_exec
26759c44 1456 target_os
a7ada2ba 1457 target_path
ba13606c 1458 target_samples
aeeb782c 1459 toolchain
426be5dc 1460"
520cc7f1 1461
89f2932b
MR
1462CMDLINE_APPEND="
1463 extra_cflags
4cc4b33f 1464 host_cppflags
89f2932b
MR
1465"
1466
912f3148
DB
1467# code dependency declarations
1468
9eeed841 1469# architecture extensions
808fa33c 1470
a2fc0f6a
MR
1471armv5te_deps="arm"
1472armv6_deps="arm"
ab5cb084 1473armv6t2_deps="arm"
808fa33c 1474neon_deps="arm"
b3267559
MR
1475vfp_deps="arm"
1476vfpv3_deps="vfp"
808fa33c 1477
637606de
MR
1478map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1479
808fa33c
MR
1480altivec_deps="ppc"
1481ppc4xx_deps="ppc"
1482
1483vis_deps="sparc"
1484
84146963
DB
1485cpunop_deps="i686"
1486x86_64_select="i686"
1487x86_64_suggest="fast_cmov"
50cd43f2 1488
808fa33c
MR
1489amd3dnow_deps="mmx"
1490amd3dnowext_deps="amd3dnow"
9eeed841 1491mmx_deps="x86"
239fdf1b 1492mmxext_deps="mmx"
50cd43f2
DB
1493sse_deps="mmxext"
1494sse2_deps="sse"
1495sse3_deps="sse2"
1496ssse3_deps="sse3"
1497sse4_deps="ssse3"
1498sse42_deps="sse4"
1499avx_deps="sse42"
79687079 1500fma4_deps="avx"
9eeed841 1501
43b73d59
DB
1502mmx_external_deps="yasm"
1503mmx_inline_deps="inline_asm"
1504mmx_suggest="mmx_external mmx_inline"
1505
1506for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1507 eval dep=\$${ext}_deps
1508 eval ${ext}_external_deps='"${dep}_external"'
1509 eval ${ext}_inline_deps='"${dep}_inline"'
1510 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1511done
1512
59782b82 1513aligned_stack_if_any="ppc x86"
e939cedd 1514fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
f0fe245b
MR
1515fast_clz_if_any="alpha avr32 mips ppc x86"
1516fast_unaligned_if_any="ppc x86"
669b5583 1517
6fec122a 1518inline_asm_deps="!tms470"
3e0b1c9a 1519need_memalign="altivec neon sse"
89e053f8 1520
b462d132
MR
1521symver_if_any="symver_asm_label symver_gnu_asm"
1522
88a35699
MS
1523log2_deps="!msvcrt"
1524
26fbcc85 1525# subsystems
dc609252 1526dct_select="rdft"
b93b27ed
RB
1527error_resilience_select="dsputil"
1528lpc_select="dsputil"
26fbcc85
MR
1529mdct_select="fft"
1530rdft_select="fft"
1e164c0b 1531mpegaudio_select="mpegaudiodsp"
c4f5c2d6 1532mpegaudiodsp_select="dct"
f4fed5a2 1533mpegvideo_select="dsputil hpeldsp videodsp"
ad08dfd5 1534mpegvideoenc_select="mpegvideo"
26fbcc85 1535
ed40b6bf 1536# decoders / encoders
cfc2a0cf 1537aac_decoder_select="mdct sinewin"
aa11cb79 1538aac_encoder_select="audio_frame_queue mdct sinewin"
136e19e1 1539aac_latm_decoder_select="aac_decoder aac_latm_parser"
b93b27ed
RB
1540ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
1541ac3_encoder_select="mdct ac3dsp dsputil"
1542ac3_fixed_encoder_select="mdct ac3dsp dsputil"
1232a164 1543aic_decoder_select="dsputil golomb"
f4d608e3 1544alac_encoder_select="lpc"
b93b27ed 1545als_decoder_select="dsputil"
b781cc12 1546amrnb_decoder_select="lsp"
2b2a597e 1547amrwb_decoder_select="lsp"
28bc406c 1548amv_decoder_select="dsputil hpeldsp"
b93b27ed
RB
1549ape_decoder_select="dsputil"
1550asv1_decoder_select="dsputil"
1551asv1_encoder_select="dsputil"
1552asv2_decoder_select="dsputil"
1553asv2_encoder_select="dsputil"
4538729a 1554atrac1_decoder_select="mdct sinewin"
26fbcc85 1555atrac3_decoder_select="mdct"
0f0a11d5 1556bink_decoder_select="dsputil hpeldsp"
a33657ce
DB
1557binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1558binkaudio_rdft_decoder_select="mdct rdft sinewin"
b93b27ed
RB
1559cavs_decoder_select="dsputil golomb h264chroma videodsp"
1560cllc_decoder_select="dsputil"
9b500b8f 1561comfortnoise_encoder_select="lpc"
b93b27ed 1562cook_decoder_select="dsputil mdct sinewin"
2a91ada8 1563cscd_decoder_select="lzo"
2eef7c62 1564cscd_decoder_suggest="zlib"
26fbcc85 1565dca_decoder_select="mdct"
b93b27ed
RB
1566dnxhd_decoder_select="dsputil"
1567dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
1568dvvideo_decoder_select="dsputil"
1569dvvideo_encoder_select="dsputil"
61c31e4e 1570dxa_decoder_deps="zlib"
baf91bb9 1571eac3_decoder_select="ac3_decoder"
4264a0dd 1572eac3_encoder_select="ac3_encoder"
b93b27ed
RB
1573eamad_decoder_select="aandcttables dsputil mpegvideo"
1574eatgq_decoder_select="aandcttables dsputil"
cfe5908a 1575eatqi_decoder_select="aandcttables error_resilience mpegvideo"
b93b27ed
RB
1576ffv1_decoder_select="dsputil golomb rangecoder"
1577ffv1_encoder_select="dsputil rangecoder"
1578ffvhuff_decoder_select="dsputil"
1579ffvhuff_encoder_select="dsputil huffman"
4f034993 1580flac_decoder_select="golomb"
b93b27ed 1581flac_encoder_select="dsputil golomb lpc"
61c31e4e
DB
1582flashsv_decoder_deps="zlib"
1583flashsv_encoder_deps="zlib"
1584flashsv2_decoder_deps="zlib"
4414137e 1585flv_decoder_select="h263_decoder"
4d4b4bd1 1586flv_encoder_select="h263_encoder"
b93b27ed
RB
1587fourxm_decoder_select="dsputil"
1588fraps_decoder_select="dsputil huffman"
61c31e4e
DB
1589g2m_decoder_deps="zlib"
1590g2m_decoder_select="dsputil"
c292f6a2 1591h261_decoder_select="error_resilience mpegvideo"
ad08dfd5 1592h261_encoder_select="aandcttables mpegvideoenc"
c292f6a2 1593h263_decoder_select="error_resilience h263_parser mpegvideo"
06b54e84 1594h263_encoder_select="aandcttables mpegvideoenc"
4414137e 1595h263i_decoder_select="h263_decoder"
fe629c2d 1596h263p_encoder_select="h263_encoder"
0b499c9b
RB
1597h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1598h264_decoder_suggest="error_resilience"
b93b27ed
RB
1599huffyuv_decoder_select="dsputil"
1600huffyuv_encoder_select="dsputil huffman"
1601iac_decoder_select="dsputil fft mdct sinewin"
1602imc_decoder_select="dsputil fft mdct sinewin"
8f992dc8 1603indeo3_decoder_select="hpeldsp"
8071264f 1604interplay_video_decoder_select="hpeldsp"
28bc406c 1605jpegls_decoder_select="dsputil golomb hpeldsp"
4f034993 1606jpegls_encoder_select="golomb"
b93b27ed
RB
1607jv_decoder_select="dsputil"
1608lagarith_decoder_select="dsputil"
ad08dfd5 1609ljpeg_encoder_select="aandcttables mpegvideoenc"
4f034993 1610loco_decoder_select="golomb"
b93b27ed 1611mdec_decoder_select="dsputil error_resilience mpegvideo"
3e589878 1612metasound_decoder_select="lsp mdct sinewin"
c1047003 1613mimic_decoder_select="dsputil hpeldsp"
28bc406c
RB
1614mjpeg_decoder_select="dsputil hpeldsp"
1615mjpegb_decoder_select="dsputil hpeldsp"
b93b27ed
RB
1616mjpeg_encoder_select="aandcttables dsputil mpegvideoenc"
1617mlp_decoder_select="dsputil mlp_parser"
1618motionpixels_decoder_select="dsputil"
1e164c0b
DB
1619mp1_decoder_select="mpegaudio"
1620mp1float_decoder_select="mpegaudio"
1621mp2_decoder_select="mpegaudio"
1622mp2float_decoder_select="mpegaudio"
1623mp3_decoder_select="mpegaudio"
1624mp3adu_decoder_select="mpegaudio"
1625mp3adufloat_decoder_select="mpegaudio"
1626mp3float_decoder_select="mpegaudio"
1627mp3on4_decoder_select="mpegaudio"
1628mp3on4float_decoder_select="mpegaudio"
b93b27ed
RB
1629mpc7_decoder_select="dsputil mpegaudiodsp"
1630mpc8_decoder_select="dsputil mpegaudiodsp"
3e0b1c9a 1631mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
d767e2f9 1632mpeg_xvmc_decoder_select="mpeg2video_decoder"
c292f6a2 1633mpeg1video_decoder_select="error_resilience mpegvideo"
06b54e84 1634mpeg1video_encoder_select="aandcttables mpegvideoenc"
c292f6a2 1635mpeg2video_decoder_select="error_resilience mpegvideo"
06b54e84 1636mpeg2video_encoder_select="aandcttables mpegvideoenc"
3e0b1c9a
DB
1637mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1638mpeg4_encoder_select="h263_encoder"
4414137e 1639msmpeg4v1_decoder_select="h263_decoder"
4414137e 1640msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1641msmpeg4v2_encoder_select="h263_encoder"
4414137e 1642msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1643msmpeg4v3_encoder_select="h263_encoder"
06b54e84 1644mss2_decoder_select="error_resilience vc1_decoder"
28bc406c 1645mxpeg_decoder_select="dsputil hpeldsp"
4538729a 1646nellymoser_decoder_select="mdct sinewin"
aa11cb79 1647nellymoser_encoder_select="audio_frame_queue mdct sinewin"
b93b27ed 1648nuv_decoder_select="dsputil lzo"
61c31e4e
DB
1649png_decoder_deps="zlib"
1650png_decoder_select="dsputil"
1651png_encoder_deps="zlib"
1652png_encoder_select="dsputil"
b93b27ed
RB
1653prores_decoder_select="dsputil"
1654prores_encoder_select="dsputil"
b781cc12 1655qcelp_decoder_select="lsp"
c4f5c2d6 1656qdm2_decoder_select="mdct rdft mpegaudiodsp"
aa11cb79 1657ra_144_encoder_select="audio_frame_queue lpc"
9f43fdda 1658ralf_decoder_select="golomb"
06b54e84 1659rv10_decoder_select="error_resilience h263_decoder"
b2bf38b4 1660rv10_encoder_select="h263_encoder"
06b54e84 1661rv20_decoder_select="error_resilience h263_decoder"
b2bf38b4 1662rv20_encoder_select="h263_encoder"
870add0d
DB
1663rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1664rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
4f034993 1665shorten_decoder_select="golomb"
b781cc12 1666sipr_decoder_select="lsp"
28bc406c 1667sp5x_decoder_select="dsputil hpeldsp"
6caa44aa 1668svq1_decoder_select="hpeldsp"
1277dc07 1669svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
2f6bc5f7 1670svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel hpeldsp mpegvideo videodsp"
0b499c9b 1671svq3_decoder_suggest="error_resilience zlib"
b93b27ed 1672tak_decoder_select="dsputil"
4eef77c1 1673theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1674tiff_decoder_suggest="zlib"
1675tiff_encoder_suggest="zlib"
28bc406c 1676thp_decoder_select="dsputil hpeldsp"
aec09a00 1677truehd_decoder_select="mlp_decoder"
b93b27ed
RB
1678truemotion2_decoder_select="dsputil"
1679truespeech_decoder_select="dsputil"
61c31e4e 1680tscc_decoder_deps="zlib"
4538729a 1681twinvq_decoder_select="mdct lsp sinewin"
b93b27ed
RB
1682utvideo_decoder_select="dsputil"
1683utvideo_encoder_select="dsputil huffman"
1684vble_decoder_select="dsputil"
06b54e84 1685vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel"
45ecda85 1686vc1image_decoder_select="vc1_decoder"
26fbcc85
MR
1687vorbis_decoder_select="mdct"
1688vorbis_encoder_select="mdct"
3bd062bf 1689vp3_decoder_select="hpeldsp vp3dsp videodsp"
cb7ecb75
RB
1690vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
1691vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
e82dc4c9
DB
1692vp6a_decoder_select="vp6_decoder"
1693vp6f_decoder_select="vp6_decoder"
8c53d39e 1694vp8_decoder_select="h264pred videodsp"
4538729a
MR
1695wmapro_decoder_select="mdct sinewin"
1696wmav1_decoder_select="mdct sinewin"
1697wmav1_encoder_select="mdct sinewin"
1698wmav2_decoder_select="mdct sinewin"
1699wmav2_encoder_select="mdct sinewin"
1700wmavoice_decoder_select="lsp rdft dct mdct sinewin"
f95bfab0 1701wmv1_decoder_select="h263_decoder"
665507aa 1702wmv1_encoder_select="h263_encoder"
870add0d 1703wmv2_decoder_select="h263_decoder videodsp"
1746e2a9 1704wmv2_encoder_select="h263_encoder"
015f8ee0 1705wmv3_decoder_select="vc1_decoder"
45ecda85 1706wmv3image_decoder_select="wmv3_decoder"
61c31e4e
DB
1707zerocodec_decoder_deps="zlib"
1708zlib_decoder_deps="zlib"
1709zlib_encoder_deps="zlib"
1710zmbv_decoder_deps="zlib"
1711zmbv_encoder_deps="zlib"
30fd06be 1712
ed40b6bf 1713# hardware accelerators
215cdd35 1714dxva2_deps="dxva2api_h"
0afab17e 1715vaapi_deps="va_va_h"
ac3dbb4d 1716vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
9840130e 1717vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
c89c96e9
MR
1718vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1719
82ca17ac
DB
1720h263_vaapi_hwaccel_deps="vaapi"
1721h263_vaapi_hwaccel_select="h263_decoder"
1722h263_vdpau_hwaccel_deps="vdpau"
1723h263_vdpau_hwaccel_select="h263_decoder"
215cdd35
DB
1724h264_dxva2_hwaccel_deps="dxva2"
1725h264_dxva2_hwaccel_select="h264_decoder"
82ca17ac
DB
1726h264_vaapi_hwaccel_deps="vaapi"
1727h264_vaapi_hwaccel_select="h264_decoder"
1728h264_vda_hwaccel_deps="vda"
1729h264_vda_hwaccel_select="h264_decoder"
82ca17ac
DB
1730h264_vdpau_hwaccel_deps="vdpau"
1731h264_vdpau_hwaccel_select="h264_decoder"
82ca17ac
DB
1732mpeg1_vdpau_hwaccel_deps="vdpau"
1733mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
215cdd35
DB
1734mpeg2_dxva2_hwaccel_deps="dxva2"
1735mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
82ca17ac
DB
1736mpeg2_vaapi_hwaccel_deps="vaapi"
1737mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
1738mpeg2_vdpau_hwaccel_deps="vdpau"
1739mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
1740mpeg4_vaapi_hwaccel_deps="vaapi"
1741mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
82ca17ac
DB
1742mpeg4_vdpau_hwaccel_deps="vdpau"
1743mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
215cdd35
DB
1744vc1_dxva2_hwaccel_deps="dxva2"
1745vc1_dxva2_hwaccel_select="vc1_decoder"
82ca17ac
DB
1746vc1_vaapi_hwaccel_deps="vaapi"
1747vc1_vaapi_hwaccel_select="vc1_decoder"
82ca17ac
DB
1748vc1_vdpau_hwaccel_deps="vdpau"
1749vc1_vdpau_hwaccel_select="vc1_decoder"
ed40b6bf
DB
1750wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1751wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
77525327 1752wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
ed40b6bf 1753
28b80940 1754# parsers
0b499c9b 1755h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
c292f6a2
DB
1756mpeg4video_parser_select="error_resilience mpegvideo"
1757mpegvideo_parser_select="error_resilience mpegvideo"
06b54e84 1758vc1_parser_select="mpegvideo"
28b80940 1759
912f3148 1760# external libraries
c9171a83 1761libfaac_encoder_deps="libfaac"
aa11cb79 1762libfaac_encoder_select="audio_frame_queue"
4f2b469d 1763libfdk_aac_decoder_deps="libfdk_aac"
37eeb5e2 1764libfdk_aac_encoder_deps="libfdk_aac"
aa11cb79 1765libfdk_aac_encoder_select="audio_frame_queue"
299c77d5
MR
1766libgsm_decoder_deps="libgsm"
1767libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1768libgsm_ms_decoder_deps="libgsm"
1769libgsm_ms_encoder_deps="libgsm"
3641b048
MS
1770libilbc_decoder_deps="libilbc"
1771libilbc_encoder_deps="libilbc"
1cc60c47 1772libmp3lame_encoder_deps="libmp3lame"
aa11cb79 1773libmp3lame_encoder_select="audio_frame_queue"
0b175caa
DB
1774libopencore_amrnb_decoder_deps="libopencore_amrnb"
1775libopencore_amrnb_encoder_deps="libopencore_amrnb"
aa11cb79 1776libopencore_amrnb_encoder_select="audio_frame_queue"
0b175caa 1777libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1778libopenjpeg_decoder_deps="libopenjpeg"
453c02f9 1779libopenjpeg_encoder_deps="libopenjpeg"
44617d6e 1780libopus_decoder_deps="libopus"
6cb8c854 1781libopus_encoder_deps="libopus"
aa11cb79 1782libopus_encoder_select="audio_frame_queue"
f7cd9eed
AS
1783libschroedinger_decoder_deps="libschroedinger"
1784libschroedinger_encoder_deps="libschroedinger"
ae14f311 1785libspeex_decoder_deps="libspeex"
b606a017 1786libspeex_encoder_deps="libspeex"
aa11cb79 1787libspeex_encoder_select="audio_frame_queue"
150d2772 1788libtheora_encoder_deps="libtheora"
d89e738a 1789libvo_aacenc_encoder_deps="libvo_aacenc"
aa11cb79 1790libvo_aacenc_encoder_select="audio_frame_queue"
f502ff3f 1791libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
b0caf888 1792libvorbis_encoder_deps="libvorbis"
aa11cb79 1793libvorbis_encoder_select="audio_frame_queue"
3f111804
LB
1794libvpx_vp8_decoder_deps="libvpx"
1795libvpx_vp8_encoder_deps="libvpx"
1796libvpx_vp9_decoder_deps="libvpx"
1797libvpx_vp9_encoder_deps="libvpx"
84d3ff50 1798libwavpack_encoder_deps="libwavpack"
1cc60c47 1799libx264_encoder_deps="libx264"
de295976 1800libxavs_encoder_deps="libxavs"
1cc60c47 1801libxvid_encoder_deps="libxvid"
30fd06be 1802
912f3148 1803# demuxers / muxers
c2dd0e9e 1804ac3_demuxer_select="ac3_parser"
255d9c57 1805asf_demuxer_select="riffdec"
3dd5c95d 1806asf_muxer_select="riffenc"
647c2356 1807asf_stream_muxer_select="asf_muxer"
255d9c57 1808avi_demuxer_select="riffdec"
3dd5c95d 1809avi_muxer_select="riffenc"
4e622dea 1810avisynth_demuxer_deps="avisynth"
255d9c57
DB
1811avisynth_demuxer_select="riffdec"
1812caf_demuxer_select="riffdec"
c2dd0e9e 1813dirac_demuxer_select="dirac_parser"
255d9c57 1814dxa_demuxer_select="riffdec"
5b423887 1815eac3_demuxer_select="ac3_parser"
c2dd0e9e 1816flac_demuxer_select="flac_parser"
c9031c7c 1817hls_muxer_select="mpegts_muxer"
647c2356 1818ipod_muxer_select="mov_muxer"
31f16dc1 1819ismv_muxer_select="mov_muxer"
647c2356 1820matroska_audio_muxer_select="matroska_muxer"
255d9c57 1821matroska_demuxer_select="riffdec"
2a91ada8 1822matroska_demuxer_suggest="bzlib lzo zlib"
3dd5c95d
DB
1823matroska_muxer_select="riffenc"
1824mmf_muxer_select="riffenc"
255d9c57 1825mov_demuxer_select="riffdec"
4e622dea 1826mov_demuxer_suggest="zlib"
3dd5c95d 1827mov_muxer_select="riffenc rtpenc_chain"
c2dd0e9e 1828mp3_demuxer_select="mpegaudio_parser"
647c2356 1829mp4_muxer_select="mov_muxer"
75644335 1830mpegts_muxer_select="adts_muxer latm_muxer"
647c2356
DB
1831mpegtsraw_demuxer_select="mpegts_demuxer"
1832mxf_d10_muxer_select="mxf_muxer"
3dd5c95d 1833nut_muxer_select="riffenc"
255d9c57 1834nuv_demuxer_select="riffdec"
24ca518b 1835ogg_demuxer_select="golomb"
647c2356 1836psp_muxer_select="mov_muxer"
44594cc7 1837rtp_demuxer_select="sdp_demuxer"
44b70ce5
MS
1838rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1839rtsp_demuxer_select="http_protocol rtpdec"
5ad2f0bf 1840rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
01c8d258 1841sap_demuxer_select="sdp_demuxer"
5ad2f0bf 1842sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
44b70ce5 1843sdp_demuxer_select="rtpdec"
e772f9fa 1844smoothstreaming_muxer_select="ismv_muxer"
f1e94694 1845spdif_muxer_select="aac_parser"
57231e4d 1846tak_demuxer_select="tak_parser"
647c2356
DB
1847tg2_muxer_select="mov_muxer"
1848tgp_muxer_select="mov_muxer"
a7d45e06 1849w64_demuxer_select="wav_demuxer"
255d9c57 1850wav_demuxer_select="riffdec"
3dd5c95d
DB
1851wav_muxer_select="riffenc"
1852webm_muxer_select="riffenc"
255d9c57
DB
1853wtv_demuxer_select="riffdec"
1854xmv_demuxer_select="riffdec"
1855xwma_demuxer_select="riffdec"
4e622dea
SS
1856
1857# indevs / outdevs
38e54a75 1858alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
38e54a75 1859alsa_outdev_deps="alsa_asoundlib_h"
38e54a75 1860bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
6fb65973
DB
1861dv1394_indev_deps="dv1394"
1862dv1394_indev_select="dv_demuxer"
c6f95144 1863fbdev_indev_deps="linux_fb_h"
a3fc62e8 1864jack_indev_deps="jack_jack_h pthreads"
e417d80d 1865libcdio_indev_deps="libcdio"
38e54a75 1866libdc1394_indev_deps="libdc1394"
38e54a75
SS
1867oss_indev_deps_any="soundcard_h sys_soundcard_h"
1868oss_outdev_deps_any="soundcard_h sys_soundcard_h"
0de9c41f 1869pulse_indev_deps="libpulse"
15d59d2c
B
1870sndio_indev_deps="sndio_h"
1871sndio_outdev_deps="sndio_h"
38e54a75 1872v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
ec1ee802 1873vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
a1b3c5a3 1874vfwcap_indev_extralibs="-lavicap32"
24f8961f 1875x11grab_indev_deps="x11grab XShmCreateImage"
30fd06be 1876
912f3148 1877# protocols
acd554c1
SP
1878ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1879ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1880ffrtmpcrypt_protocol_select="tcp_protocol"
775c4d36
SP
1881ffrtmphttp_protocol_deps="!librtmp_protocol"
1882ffrtmphttp_protocol_select="http_protocol"
998c1ee1 1883gopher_protocol_select="network"
c40e1757 1884httpproxy_protocol_select="tcp_protocol"
279a0c97 1885http_protocol_select="tcp_protocol"
183baead 1886https_protocol_select="tls_protocol"
c3b57d6e
DB
1887librtmp_protocol_deps="librtmp"
1888librtmpe_protocol_deps="librtmp"
1889librtmps_protocol_deps="librtmp"
1890librtmpt_protocol_deps="librtmp"
1891librtmpte_protocol_deps="librtmp"
c60a2d70 1892mmsh_protocol_select="http_protocol"
998c1ee1 1893mmst_protocol_select="network"
c3b57d6e 1894rtmp_protocol_deps="!librtmp_protocol"
deeb7012 1895rtmp_protocol_select="tcp_protocol"
acd554c1 1896rtmpe_protocol_select="ffrtmpcrypt_protocol"
6aedabc9
SP
1897rtmps_protocol_deps="!librtmp_protocol"
1898rtmps_protocol_select="tls_protocol"
775c4d36 1899rtmpt_protocol_select="ffrtmphttp_protocol"
08cd95e8 1900rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
6c1ed454 1901rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
deeb7012 1902rtp_protocol_select="udp_protocol"
998c1ee1
DB
1903sctp_protocol_deps="struct_sctp_event_subscribe"
1904sctp_protocol_select="network"
0eecafc9 1905srtp_protocol_select="rtp_protocol"
998c1ee1 1906tcp_protocol_select="network"
558d192d
MS
1907tls_protocol_deps_any="openssl gnutls"
1908tls_protocol_select="tcp_protocol"
998c1ee1 1909udp_protocol_select="network"
60538758
LB
1910unix_protocol_deps="sys_un_h"
1911unix_protocol_select="network"
c08fb000 1912
6ebf0bfc 1913# filters
13fabd7a 1914blackframe_filter_deps="gpl"
ce6b6ef6 1915boxblur_filter_deps="gpl"
68b79bfc 1916cropdetect_filter_deps="gpl"
b157be1f 1917delogo_filter_deps="gpl"
a5b64584 1918drawtext_filter_deps="libfreetype"
2e5ff4d0 1919frei0r_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1920frei0r_filter_extralibs='$ldl'
a42bb9d6 1921frei0r_src_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1922frei0r_src_filter_extralibs='$ldl'
a4dc7aa5 1923hqdn3d_filter_deps="gpl"
3fce1367 1924interlace_filter_deps="gpl"
d371e7b9 1925resample_filter_deps="avresample"
cf69ad35 1926ocv_filter_deps="libopencv"
2f296e39 1927scale_filter_deps="swscale"
acbac567 1928yadif_filter_deps="gpl"
6ebf0bfc 1929
5a0f7131 1930# libraries
d89f2fa9
DB
1931avcodec_deps="avutil"
1932avdevice_deps="avutil avcodec avformat"
1933avfilter_deps="avutil"
1934avformat_deps="avutil avcodec"
1935avresample_deps="avutil"
1936swscale_deps="avutil"
f7679c54 1937
912f3148 1938# programs
54fd593a 1939avconv_deps="avcodec avfilter avformat avresample swscale"
bce70f81 1940avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
0a0e340f 1941 fps_filter null_filter resample_filter scale_filter
bce70f81 1942 setpts_filter trim_filter"
d173ede1 1943avplay_deps="avcodec avformat avresample swscale sdl"
266463da 1944avplay_select="rdft"
9e12f0bf 1945avprobe_deps="avcodec avformat"
406e6c0b
DB
1946avserver_deps="avformat fork !shared"
1947avserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
4d58e4cb 1948avserver_extralibs='$ldl'
a2830dca 1949
c73f65d9 1950doc_deps="texi2html"
912f3148 1951
de6d9b64 1952# default parameters
8a608357 1953
19bd477d 1954logfile="config.log"
8a608357
MR
1955
1956# installation paths
c9d19248
MR
1957prefix_default="/usr/local"
1958bindir_default='${prefix}/bin'
6291d7e4 1959datadir_default='${prefix}/share/avconv'
f4ca970d 1960docdir_default='${prefix}/share/doc/libav'
c9d19248
MR
1961incdir_default='${prefix}/include'
1962libdir_default='${prefix}/lib'
1963mandir_default='${prefix}/share/man'
1964shlibdir_default="$libdir_default"
8a608357
MR
1965
1966# toolchain
121d78d0 1967ar_default="ar"
13c7df3d 1968cc_default="gcc"
9da6609f 1969host_cc_default="gcc"
4ebc6a74 1970cp_f="cp -f"
b58b00ae 1971ln_s="ln -s -f"
2a8a860a 1972nm_default="nm -g"
11e6d03a 1973objformat="elf"
3f8040db 1974pkg_config_default=pkg-config
be7109c1 1975ranlib="ranlib"
11e6d03a 1976yasmexe="yasm"
8a608357 1977
3e0b1c9a 1978nogas=":"
8182dc34 1979
8a608357 1980# machine
8d4c00ed 1981arch_default=$(uname -m)
38d0a8aa 1982cpu="generic"
8a608357 1983
8a608357 1984# OS
8d4c00ed
MR
1985target_os_default=$(tolower $(uname -s))
1986host_os=$target_os_default
8a608357 1987
8a608357 1988# configurable options
d89f2fa9 1989enable $LIBRARY_LIST $PROGRAM_LIST
3e0b1c9a 1990
3e0b1c9a
DB
1991enable asm
1992enable debug
1993enable doc
8400d6b8 1994enable optimizations
8cfbbd92 1995enable safe_bitstream_reader
530dc538 1996enable static
a9ddb5b1 1997enable swscale_alpha
8a608357 1998
2e2ec667
DB
1999# By default, enable only those hwaccels that have no external dependencies.
2000enable dxva2 vdpau
2001
8a608357 2002# build settings
9987769a 2003SHFLAGS='-shared -Wl,-soname,$$(@F)'
f3ec2d46
SG
2004LIBPREF="lib"
2005LIBSUF=".a"
c5f14466
RP
2006FULLNAME='$(NAME)$(BUILDSUF)'
2007LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
2008SLIBPREF="lib"
2009SLIBSUF=".so"
c5f14466 2010SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
2011SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2012SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 2013LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2f138f0b
MR
2014SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2015SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
ef0bc4c9 2016
68485d1f
MR
2017asflags_filter=echo
2018cflags_filter=echo
64933b6c
MR
2019ldflags_filter=echo
2020
23565c26 2021AS_C='-c'
bc877faf 2022AS_O='-o $@'
23565c26 2023CC_C='-c'
18031c49 2024CC_E='-E -o $@'
7e6c86e6 2025CC_O='-o $@'
a758c5e2 2026LD_O='-o $@'
8db73c61
MR
2027LD_LIB='-l%'
2028LD_PATH='-L'
23565c26 2029HOSTCC_C='-c'
a758c5e2 2030HOSTCC_O='-o $@'
095792f2 2031HOSTLD_O='-o $@'
7e6c86e6 2032
4cc4b33f
DB
2033host_cflags='-O3 -g'
2034host_cppflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600'
9da6609f 2035host_libs='-lm'
6c3fa06a
MR
2036host_cflags_filter=echo
2037host_ldflags_filter=echo
9da6609f 2038
9b861379 2039target_path='$(CURDIR)'
a7ada2ba 2040
a158446b
MR
2041# since the object filename is not given with the -MM flag, the compiler
2042# is only able to print the basename, and we must add the path ourselves
a758c5e2
MR
2043DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2044DEPFLAGS='-MM'
315c741d 2045
c597172e 2046# find source path
24524f36 2047if test -f configure; then
f038cf3c 2048 source_path=.
c597172e 2049else
8477f2de 2050 source_path=$(cd $(dirname "$0"); pwd)
c597172e 2051 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 2052 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
2053 test -e "$source_path/config.h" &&
2054 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
2055fi
2056
13cbe2c0 2057for v in "$@"; do
b04251c5
MR
2058 r=${v#*=}
2059 l=${v%"$r"}
2060 r=$(sh_quote "$r")
29ba0911 2061 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
13cbe2c0 2062done
c597172e 2063
73ef8980
MR
2064find_things(){
2065 thing=$1
2066 pattern=$2
2067 file=$source_path/$3
932ccf39 2068 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
2069}
2070
2071ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2072DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 2073HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
2074PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2075BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2076MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2077DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
2078OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2079INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 2080PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 2081FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 2082
54e75be4
DB
2083ALL_COMPONENTS="
2084 $BSF_LIST
2085 $DECODER_LIST
2086 $DEMUXER_LIST
2087 $ENCODER_LIST
2088 $FILTER_LIST
2089 $HWACCEL_LIST
2090 $INDEV_LIST
2091 $MUXER_LIST
2092 $OUTDEV_LIST
2093 $PARSER_LIST
2094 $PROTOCOL_LIST
2095"
2096
8469ae22
MR
2097for n in $COMPONENT_LIST; do
2098 v=$(toupper ${n%s})_LIST
2099 eval enable \$$v
2100 eval ${n}_if_any="\$$v"
2101done
2102
206a070d 2103enable $ARCH_EXT_LIST
c597172e
MR
2104
2105die_unknown(){
2106 echo "Unknown option \"$1\"."
2107 echo "See $0 --help for available options."
2108 exit 1
2109}
2110
7432e872
DB
2111print_3_columns() {
2112 cat | tr ' ' '\n' | sort | pr -r -3 -t
2113}
2114
794f8e97 2115show_list() {
bf0c4afa
RP
2116 suffix=_$1
2117 shift
7432e872 2118 echo $* | sed s/$suffix//g | print_3_columns
794f8e97
PI
2119 exit 0
2120}
2121
154caa67
MR
2122rand_list(){
2123 IFS=', '
2124 set -- $*
2125 unset IFS
2126 for thing; do
2127 comp=${thing%:*}
2128 prob=${thing#$comp}
2129 prob=${prob#:}
2130 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2131 echo "prob ${prob:-0.5}"
2132 printf '%s\n' $comp
2133 done
2134}
2135
2136do_random(){
2137 action=$1
2138 shift
2139 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2140 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2141}
2142
c597172e 2143for opt do
7483e694
DB
2144 optval="${opt#*=}"
2145 case "$opt" in
ea061af1
DB
2146 --extra-ldflags=*)
2147 add_ldflags $optval
7e9e7cc2 2148 ;;
ea061af1
DB
2149 --extra-libs=*)
2150 add_extralibs $optval
7e9e7cc2 2151 ;;
ea061af1
DB
2152 --disable-devices)
2153 disable $INDEV_LIST $OUTDEV_LIST
7e9e7cc2 2154 ;;
ea061af1
DB
2155 --enable-debug=*)
2156 debuglevel="$optval"
7e9e7cc2
MR
2157 ;;
2158 --disable-programs)
2159 disable $PROGRAM_LIST
2160 ;;
2161 --disable-everything)
2162 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2163 ;;
844c6852
DB
2164 --disable-all)
2165 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2166 disable $LIBRARY_LIST $PROGRAM_LIST doc
2167 ;;
7e9e7cc2
MR
2168 --enable-random|--disable-random)
2169 action=${opt%%-random}
2170 do_random ${action#--} $COMPONENT_LIST
2171 ;;
2172 --enable-random=*|--disable-random=*)
2173 action=${opt%%-random=*}
2174 do_random ${action#--} $optval
2175 ;;
2176 --enable-*=*|--disable-*=*)
2177 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2178 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2179 eval list=\$$(toupper $thing)_LIST
2180 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2181 $action $(filter "$name" $list)
2182 ;;
2183 --enable-?*|--disable-?*)
2184 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2185 if is_in $option $COMPONENT_LIST; then
2186 test $action = disable && action=unset
2187 eval $action \$$(toupper ${option%s})_LIST
2188 elif is_in $option $CMDLINE_SELECT; then
2189 $action $option
2190 else
2191 die_unknown $opt
2192 fi
2193 ;;
2194 --list-*)
2195 NAME="${opt#--list-}"
2196 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2197 NAME=${NAME%s}
2198 eval show_list $NAME \$$(toupper $NAME)_LIST
2199 ;;
2200 --help|-h) show_help
2201 ;;
2202 *)
2203 optname="${opt%%=*}"
2204 optname="${optname#--}"
2205 optname=$(echo "$optname" | sed 's/-/_/g')
2206 if is_in $optname $CMDLINE_SET; then
2207 eval $optname='$optval'
2208 elif is_in $optname $CMDLINE_APPEND; then
2209 append $optname "$optval"
2210 else
2211 die_unknown $opt
2212 fi
2213 ;;
7483e694 2214 esac
c597172e
MR
2215done
2216
bcea99bb
MR
2217disabled logging && logfile=/dev/null
2218
29ba0911 2219echo "# $0 $LIBAV_CONFIGURATION" > $logfile
bcea99bb
MR
2220set >> $logfile
2221
9da6609f
MR
2222test -n "$cross_prefix" && enable cross_compile
2223
8d4c00ed
MR
2224if enabled cross_compile; then
2225 test -n "$arch" && test -n "$target_os" ||
2226 die "Must specify target arch and OS when cross-compiling"
2227fi
2228
121d78d0 2229ar_default="${cross_prefix}${ar_default}"
11e6d03a 2230cc_default="${cross_prefix}${cc_default}"
20e0ed95 2231nm_default="${cross_prefix}${nm_default}"
3f8040db 2232pkg_config_default="${cross_prefix}${pkg_config_default}"
adb2b908 2233ranlib="${cross_prefix}${ranlib}"
adb2b908 2234
c5200f17
MR
2235sysinclude_default="${sysroot}/usr/include"
2236
aeeb782c 2237case "$toolchain" in
0fbb62a8
LB
2238 clang-asan)
2239 cc_default="clang"
19f251a2
LB
2240 add_cflags -fsanitize=address
2241 add_ldflags -fsanitize=address
0fbb62a8
LB
2242 ;;
2243 clang-tsan)
2244 cc_default="clang"
19f251a2
LB
2245 add_cflags -fsanitize=thread -pie
2246 add_ldflags -fsanitize=thread -pie
0fbb62a8 2247 ;;
0ba49d28
LB
2248 gcc-asan)
2249 cc_default="gcc"
2250 add_cflags -fsanitize=address
2251 add_ldflags -fsanitize=address
2252 ;;
2253 gcc-tsan)
2254 cc_default="gcc"
2255 add_cflags -fsanitize=thread -pie -fPIC
2256 add_ldflags -fsanitize=thread -pie -fPIC
2257 ;;
edfe609f
LB
2258 valgrind-massif)
2259 target_exec_default="valgrind"
2260 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2261 ;;
b1ee8eec
RT
2262 valgrind-memcheck)
2263 target_exec_default="valgrind"
2264 target_exec_args="--track-origins=yes --leak-check=full"
2265 ;;
aeeb782c
MR
2266 msvc)
2267 cc_default="c99wrap cl"
2268 ld_default="c99wrap link"
2269 nm_default="dumpbin -symbols"
ac3a9b51 2270 ar_default="lib"
53e8cd68 2271 target_os_default="win32"
aeeb782c 2272 ;;
322e4194
AS
2273 icl)
2274 cc_default="c99wrap -noconv icl"
2275 ld_default="c99wrap xilink"
2276 nm_default="dumpbin -symbols"
2277 ar_default="xilib"
2278 target_os_default="win32"
2279 ;;
a862c7d3
RT
2280 gcov)
2281 add_cflags -fprofile-arcs -ftest-coverage
2282 add_ldflags -fprofile-arcs -ftest-coverage
2283 ;;
aeeb782c
MR
2284 ?*)
2285 die "Unknown toolchain $toolchain"
2286 ;;
2287esac
2288
b1ee8eec 2289set_default arch cc pkg_config sysinclude target_exec target_os
9da6609f
MR
2290enabled cross_compile || host_cc_default=$cc
2291set_default host_cc
13c7df3d 2292
762f95e4
MR
2293if ! $pkg_config --version >/dev/null 2>&1; then
2294 warn "$pkg_config not found, library detection may fail."
2295 pkg_config=false
2296fi
2297
82bb3329
MR
2298exesuf() {
2299 case $1 in
53e8cd68 2300 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
82bb3329
MR
2301 esac
2302}
2303
2304EXESUF=$(exesuf $target_os)
2305HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 2306
e4e69e0b 2307# set temporary file name
a49d42c2 2308: ${TMPDIR:=$TEMPDIR}
c51fafa1 2309: ${TMPDIR:=$TMP}
a49d42c2 2310: ${TMPDIR:=/tmp}
e4e69e0b 2311
a210bce2 2312if ! check_cmd mktemp -u XXXXXX; then
54460a83
MR
2313 # simple replacement for missing mktemp
2314 # NOT SAFE FOR GENERAL USE
2315 mktemp(){
09a5c245 2316 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
54460a83
MR
2317 }
2318fi
2319
2320tmpfile(){
2321 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2322 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 2323 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
2324 append TMPFILES $tmp
2325 eval $1=$tmp
2326}
2327
2328trap 'rm -f -- $TMPFILES' EXIT
54460a83 2329
55127e7b 2330tmpfile TMPASM .asm
3e0b1c9a
DB
2331tmpfile TMPC .c
2332tmpfile TMPE $EXESUF
2333tmpfile TMPH .h
2334tmpfile TMPO .o
2335tmpfile TMPS .S
2336tmpfile TMPSH .sh
2337tmpfile TMPV .ver
54460a83
MR
2338
2339unset -f mktemp
e4e69e0b 2340
fb3c4ffc
MR
2341chmod +x $TMPE
2342
993f2d0f
MR
2343# make sure we can execute files in $TMPDIR
2344cat > $TMPSH 2>> $logfile <<EOF
2345#! /bin/sh
2346EOF
2347chmod +x $TMPSH >> $logfile 2>&1
2348if ! $TMPSH >> $logfile 2>&1; then
2349 cat <<EOF
2350Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2351variable to another directory and make sure that it is not mounted noexec.
2352EOF
2353 die "Sanity test failed."
2354fi
993f2d0f 2355
457cc333
MR
2356ccc_flags(){
2357 for flag; do
2358 case $flag in
2359 -std=c99) echo -c99 ;;
2360 -mcpu=*) echo -arch ${flag#*=} ;;
2361 -mieee) echo -ieee ;;
2362 -O*|-fast) echo $flag ;;
2363 -fno-math-errno) echo -assume nomath_errno ;;
2364 -g) echo -g3 ;;
2365 -Wall) echo -msg_enable level2 ;;
2366 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2367 -Wl,*) echo $flag ;;
2368 -f*|-W*) ;;
2369 *) echo $flag ;;
2370 esac
2371 done
2372}
2373
14fb9d3d 2374msvc_common_flags(){
dfa559bc
RB
2375 for flag; do
2376 case $flag in
14fb9d3d
AS
2377 # In addition to specifying certain flags under the compiler
2378 # specific filters, they must be specified here as well or else the
2379 # generic catch all at the bottom will print the original flag.
2380 -Wall) ;;
2381 -std=c99) ;;
2382 # Common flags
9f4a16c5 2383 -fomit-frame-pointer) ;;
dfa559bc 2384 -g) echo -Z7 ;;
dfa559bc
RB
2385 -fno-math-errno) ;;
2386 -fno-common) ;;
2387 -fno-signed-zeros) ;;
50640977 2388 -fPIC) ;;
9f30fb5a
MS
2389 -mthumb) ;;
2390 -march=*) ;;
dfa559bc 2391 -lz) echo zlib.lib ;;
bd680c7b
DB
2392 -lavifil32) echo vfw32.lib ;;
2393 -lavicap32) echo vfw32.lib user32.lib ;;
dfa559bc
RB
2394 -l*) echo ${flag#-l}.lib ;;
2395 *) echo $flag ;;
2396 esac
2397 done
2398}
2399
14fb9d3d
AS
2400msvc_flags(){
2401 msvc_common_flags "$@"
2402 for flag; do
2403 case $flag in
ace87c19 2404 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
14fb9d3d
AS
2405 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2406 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2407 -wd4996 -wd4273 ;;
2408 esac
2409 done
2410}
2411
2412icl_flags(){
2413 msvc_common_flags "$@"
2414 for flag; do
2415 case $flag in
2416 # Despite what Intel's documentation says -Wall, which is supported
2417 # on Windows, does enable remarks so disable them here.
2418 -Wall) echo $flag -Qdiag-disable:remark ;;
2419 -std=c99) echo -Qstd=c99 ;;
2420 esac
2421 done
2422}
2423
d0c6d424
MR
2424pgi_flags(){
2425 for flag; do
2426 case $flag in
643933f5 2427 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
d0c6d424
MR
2428 -fomit-frame-pointer) echo -Mnoframe ;;
2429 -g) echo -gopt ;;
2430 *) echo $flag ;;
2431 esac
2432 done
2433}
2434
2435suncc_flags(){
2436 for flag; do
2437 case $flag in
2438 -march=*|-mcpu=*)
2439 case "${flag#*=}" in
2440 native) echo -xtarget=native ;;
2441 v9|niagara) echo -xarch=sparc ;;
2442 ultrasparc) echo -xarch=sparcvis ;;
2443 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2444 i586|pentium) echo -xchip=pentium ;;
2445 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2446 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2447 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2448 pentium4*) echo -xtarget=pentium4 ;;
2449 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2450 *-sse3) echo -xarch=sse3 ;;
2451 core2) echo -xarch=ssse3 -xchip=core2 ;;
f2ce813e
SM
2452 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2453 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
b36f87ff 2454 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
ace87c19 2455 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
d0c6d424 2456 k8|opteron|athlon64|athlon-fx)
ace87c19
DB
2457 echo -xarch=sse2a ;;
2458 athlon*) echo -xarch=pentium_proa ;;
d0c6d424
MR
2459 esac
2460 ;;
2461 -std=c99) echo -xc99 ;;
2462 -fomit-frame-pointer) echo -xregs=frameptr ;;
2463 -fPIC) echo -KPIC -xcode=pic32 ;;
2464 -W*,*) echo $flag ;;
5e753ed5
SM
2465 -f*-*|-W*|-mimpure-text) ;;
2466 -shared) echo -G ;;
d0c6d424
MR
2467 *) echo $flag ;;
2468 esac
2469 done
2470}
2471
2472tms470_flags(){
2473 for flag; do
2474 case $flag in
2475 -march=*|-mcpu=*)
2476 case "${flag#*=}" in
2477 armv7-a|cortex-a*) echo -mv=7a8 ;;
2478 armv7-r|cortex-r*) echo -mv=7r4 ;;
2479 armv7-m|cortex-m*) echo -mv=7m3 ;;
2480 armv6*|arm11*) echo -mv=6 ;;
2481 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2482 echo -mv=5e ;;
2483 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2484 esac
2485 ;;
2486 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2487 -mfpu=vfp) echo --float_support=vfpv2 ;;
2488 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
b5198a26 2489 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
d0c6d424
MR
2490 -msoft-float) echo --float_support=vfplib ;;
2491 -O[0-3]|-mf=*) echo $flag ;;
2492 -g) echo -g -mn ;;
2493 -pds=*) echo $flag ;;
ad93dccb
MR
2494 -D*|-I*) echo $flag ;;
2495 --gcc|--abi=*) echo $flag ;;
2496 -me) echo $flag ;;
d0c6d424
MR
2497 esac
2498 done
2499}
2500
a758c5e2
MR
2501probe_cc(){
2502 pfx=$1
2503 _cc=$2
2504
8db73c61
MR
2505 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2506 unset _ld_o _ldflags _ld_lib _ld_path
18031c49 2507 unset _depflags _DEPCMD _DEPFLAGS
a758c5e2
MR
2508 _flags_filter=echo
2509
2510 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2511 _type=llvm_gcc
2512 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2513 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2514 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2515 _cflags_speed='-O3'
2516 _cflags_size='-Os'
2517 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2518 _type=gcc
2519 gcc_version=$($_cc --version | head -n1)
2520 gcc_basever=$($_cc -dumpversion)
2521 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2522 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2523 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2524 if ! $_cc -dumpversion | grep -q '^2\.'; then
2525 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2526 fi
2527 _cflags_speed='-O3'
2528 _cflags_size='-Os'
b2d688ea 2529 elif $_cc --version 2>/dev/null | grep -q ^icc; then
a758c5e2
MR
2530 _type=icc
2531 _ident=$($_cc --version | head -n1)
2532 _depflags='-MMD'
2533 _cflags_speed='-O3'
2534 _cflags_size='-Os'
2535 _cflags_noopt='-O1'
2536 elif $_cc -v 2>&1 | grep -q xlc; then
2537 _type=xlc
2538 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2539 _cflags_speed='-O5'
2540 _cflags_size='-O5 -qcompact'
2541 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2542 _type=ccc
2543 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2544 _DEPFLAGS='-M'
a758c5e2
MR
2545 _cflags_speed='-fast'
2546 _cflags_size='-O1'
457cc333 2547 _flags_filter=ccc_flags
a758c5e2
MR
2548 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2549 test -d "$sysroot" || die "No valid sysroot specified."
2550 _type=armcc
2551 _ident=$($_cc --vsn | head -n1)
2552 armcc_conf="$PWD/armcc.conf"
2553 $_cc --arm_linux_configure \
2554 --arm_linux_config_file="$armcc_conf" \
2555 --configure_sysroot="$sysroot" \
2556 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2557 die "Error creating armcc configuration file."
2558 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2559 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2560 as_default="${cross_prefix}gcc"
2561 _depflags='-MMD'
2562 _cflags_speed='-O3'
2563 _cflags_size='-Os'
0122118e 2564 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
a758c5e2
MR
2565 _type=tms470
2566 _ident=$($_cc -version | head -n1 | tr -s ' ')
2567 _flags='--gcc --abi=eabi -me'
18031c49 2568 _cc_e='-ppl -fe=$@'
a758c5e2 2569 _cc_o='-fe=$@'
a758c5e2
MR
2570 _depflags='-ppa -ppd=$(@:.o=.d)'
2571 _cflags_speed='-O3 -mf=5'
2572 _cflags_size='-O3 -mf=2'
2573 _flags_filter=tms470_flags
2574 elif $_cc -v 2>&1 | grep -q clang; then
2575 _type=clang
2576 _ident=$($_cc --version | head -n1)
2577 _depflags='-MMD'
2578 _cflags_speed='-O3'
2579 _cflags_size='-Os'
2580 elif $_cc -V 2>&1 | grep -q Sun; then
2581 _type=suncc
2582 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2583 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
c72f12cb 2584 _DEPFLAGS='-xM1 -xc99'
a758c5e2
MR
2585 _ldflags='-std=c99'
2586 _cflags_speed='-O5'
2587 _cflags_size='-O5 -xspace'
2588 _flags_filter=suncc_flags
2589 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2590 _type=pathscale
2591 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2592 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2593 _cflags_speed='-O2'
2594 _cflags_size='-Os'
2595 _flags_filter='filter_out -Wdisabled-optimization'
2596 elif $_cc -v 2>&1 | grep -q Open64; then
2597 _type=open64
2598 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2599 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2600 _cflags_speed='-O2'
2601 _cflags_size='-Os'
2602 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2603 elif $_cc -V 2>&1 | grep -q Portland; then
2604 _type=pgi
2605 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
8f23907f 2606 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
a758c5e2
MR
2607 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2608 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2609 _cflags_noopt="-O1"
2610 _flags_filter=pgi_flags
dfa559bc
RB
2611 elif $_cc 2>&1 | grep -q Microsoft; then
2612 _type=msvc
2613 _ident=$($cc 2>&1 | head -n1)
2614 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2615 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2616 _cflags_speed="-O2"
2617 _cflags_size="-O1"
ace87c19
DB
2618 # Nonstandard output options, to avoid msys path conversion issues.
2619 # Relies on wrapper to remap it.
dfa559bc
RB
2620 if $_cc 2>&1 | grep -q Linker; then
2621 _ld_o='-out $@'
2622 else
2623 _ld_o='-Fe$@'
2624 fi
2625 _cc_o='-Fo $@'
a224b2cb 2626 _cc_e='-P -Fi $@'
dfa559bc
RB
2627 _flags_filter=msvc_flags
2628 _ld_lib='lib%.a'
2629 _ld_path='-libpath:'
2630 _flags='-nologo'
2631 _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2632 if [ $pfx = hostcc ]; then
6a0200f2 2633 append _cflags -Dsnprintf=_snprintf
dfa559bc 2634 fi
322e4194
AS
2635 elif $_cc 2>&1 | grep -q Intel; then
2636 _type=icl
2637 _ident=$($cc 2>&1 | head -n1)
2638 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
ace87c19
DB
2639 # Not only is O3 broken on 13.x+ but it is slower on all previous
2640 # versions (tested) as well.
322e4194
AS
2641 _cflags_speed="-O2"
2642 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
ace87c19
DB
2643 # Nonstandard output options, to avoid msys path conversion issues.
2644 # Relies on wrapper to remap it.
322e4194
AS
2645 if $_cc 2>&1 | grep -q Linker; then
2646 _ld_o='-out $@'
2647 else
2648 _ld_o='-Fe$@'
2649 fi
2650 _cc_o='-Fo $@'
2651 _cc_e='-P'
14fb9d3d 2652 _flags_filter=icl_flags
322e4194
AS
2653 _ld_lib='lib%.a'
2654 _ld_path='-libpath:'
ace87c19 2655 # -Qdiag-error to make icl error when seeing certain unknown arguments
60f09c04 2656 _flags='-nologo -Qdiag-error:4044,10157'
ace87c19
DB
2657 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
2658 # with MSVC which enables it by default.
e0d6e2fc 2659 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
322e4194
AS
2660 if [ $pfx = hostcc ]; then
2661 append _cflags -Dsnprintf=_snprintf
2662 fi
aef6bd1b 2663 fi
a758c5e2
MR
2664
2665 eval ${pfx}_type=\$_type
2666 eval ${pfx}_ident=\$_ident
2667}
2668
2669set_ccvars(){
23565c26 2670 eval ${1}_C=\${_cc_c-\${${1}_C}}
18031c49 2671 eval ${1}_E=\${_cc_e-\${${1}_E}}
a758c5e2
MR
2672 eval ${1}_O=\${_cc_o-\${${1}_O}}
2673
2674 if [ -n "$_depflags" ]; then
2675 eval ${1}_DEPFLAGS=\$_depflags
2676 else
2677 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2678 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2679 eval DEP${1}FLAGS=\$_flags
2680 fi
2681}
2682
2683probe_cc cc "$cc"
2684cflags_filter=$_flags_filter
2685cflags_speed=$_cflags_speed
2686cflags_size=$_cflags_size
2687cflags_noopt=$_cflags_noopt
2688add_cflags $_flags $_cflags
2689cc_ldflags=$_ldflags
2690set_ccvars CC
2691
2692probe_cc hostcc "$host_cc"
2693host_cflags_filter=$_flags_filter
a758c5e2 2694add_host_cflags $_flags $_cflags
a758c5e2 2695set_ccvars HOSTCC
629687f6 2696
851ffa80
MR
2697test -n "$cc_type" && enable $cc_type ||
2698 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 2699
75bafbac 2700: ${as_default:=$cc}
50567afa 2701: ${dep_cc_default:=$cc}
684b28e0 2702: ${ld_default:=$cc}
095792f2
MR
2703: ${host_ld_default:=$host_cc}
2704set_default ar as dep_cc ld host_ld
75800dce 2705
a758c5e2
MR
2706probe_cc as "$as"
2707asflags_filter=$_flags_filter
2708add_asflags $_flags $_cflags
2709set_ccvars AS
2710
2711probe_cc ld "$ld"
2712ldflags_filter=$_flags_filter
2713add_ldflags $_flags $_ldflags
2714test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2763587c 2715LD_O=${_ld_o-$LD_O}
8db73c61
MR
2716LD_LIB=${_ld_lib-$LD_LIB}
2717LD_PATH=${_ld_path-$LD_PATH}
a758c5e2 2718
095792f2
MR
2719probe_cc hostld "$host_ld"
2720host_ldflags_filter=$_flags_filter
2721add_host_ldflags $_flags $_ldflags
2722HOSTLD_O=${_ld_o-$HOSTLD_O}
2723
a758c5e2
MR
2724if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2725 probe_cc depcc "$dep_cc"
2726 CCDEP=${_DEPCMD:-$DEPCMD}
2727 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2728 DEPCCFLAGS=$_flags
2729fi
07dec06e 2730
3dbc777c
MR
2731if $ar 2>&1 | grep -q Microsoft; then
2732 arflags="-nologo"
2733 ar_o='-out:$@'
2734elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2735 arflags="rq"
2736 ar_o='$@'
4822ee3c
DB
2737elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
2738 arflags='-Xany -r -c'
2739 ar_o='$@'
3dbc777c
MR
2740else
2741 arflags="rc"
2742 ar_o='$@'
2743fi
2744
7f32f40c 2745add_cflags $extra_cflags
2f2e6c7c 2746add_asflags $extra_cflags
7f32f40c 2747
154d432c
MR
2748if test -n "$sysroot"; then
2749 case "$cc_type" in
00ba041c 2750 gcc|llvm_gcc|clang)
467256f2 2751 add_cppflags --sysroot="$sysroot"
154d432c
MR
2752 add_ldflags --sysroot="$sysroot"
2753 ;;
6fec122a
MR
2754 tms470)
2755 add_cppflags -I"$sysinclude"
2756 add_ldflags --sysroot="$sysroot"
2757 ;;
154d432c
MR
2758 esac
2759fi
2760
d22c13a8 2761if test "$cpu" = host; then
ace87c19
DB
2762 enabled cross_compile &&
2763 die "--cpu=host makes no sense when cross-compiling."
d22c13a8
MR
2764
2765 case "$cc_type" in
613a4e3f 2766 gcc|llvm_gcc)
d22c13a8
MR
2767 check_native(){
2768 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
b695256e 2769 sed -n "/cc1.*$1=/{
27ce1be8
MR
2770 s/.*$1=\\([^ ]*\\).*/\\1/
2771 p
2772 q
2773 }" $TMPE
d22c13a8
MR
2774 }
2775 cpu=$(check_native -march || check_native -mcpu)
2776 ;;
2777 esac
2778
ace87c19
DB
2779 test "${cpu:-host}" = host &&
2780 die "--cpu=host not supported with compiler $cc"
d22c13a8
MR
2781fi
2782
e939cedd
MR
2783# Deal with common $arch aliases
2784case "$arch" in
5873b623
MR
2785 aarch64|arm64)
2786 arch="aarch64"
2787 ;;
e939cedd
MR
2788 arm*)
2789 arch="arm"
2790 ;;
2acda282 2791 mips*|IP*)
e939cedd
MR
2792 arch="mips"
2793 ;;
a6e9d649 2794 parisc*|hppa*)
e939cedd
MR
2795 arch="parisc"
2796 ;;
56203596 2797 "Power Macintosh"|ppc*|powerpc*)
e939cedd
MR
2798 arch="ppc"
2799 ;;
e939cedd
MR
2800 s390|s390x)
2801 arch="s390"
2802 ;;
2803 sh4|sh)
2804 arch="sh4"
2805 ;;
4cd217c0 2806 sun4u|sparc*)
e939cedd 2807 arch="sparc"
e939cedd 2808 ;;
c75848cd
DB
2809 tilegx|tile-gx)
2810 arch="tilegx"
2811 ;;
d33ed7b3 2812 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
e939cedd
MR
2813 arch="x86"
2814 ;;
2815esac
2816
851ffa80 2817is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 2818enable $arch
e939cedd 2819
df5cdc24 2820# Add processor-specific flags
9ebd45c2 2821if enabled aarch64; then
33db40f8
MR
2822
2823 case $cpu in
2824 armv*)
2825 cpuflags="-march=$cpu"
2826 ;;
2827 *)
2828 cpuflags="-mcpu=$cpu"
2829 ;;
2830 esac
2831
2832elif enabled alpha; then
2833
2834 cpuflags="-mcpu=$cpu"
2835
2836elif enabled arm; then
2837
1234c66a
MR
2838 check_arm_arch() {
2839 check_cpp_condition stddef.h \
2840 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
2841 $cpuflags
2842 }
2843
2844 probe_arm_arch() {
2845 if check_arm_arch 4; then echo armv4;
2846 elif check_arm_arch 4T; then echo armv4t;
2847 elif check_arm_arch 5; then echo armv5;
2848 elif check_arm_arch 5E; then echo armv5e;
2849 elif check_arm_arch 5T; then echo armv5t;
2850 elif check_arm_arch 5TE; then echo armv5te;
2851 elif check_arm_arch 5TEJ; then echo armv5te;
2852 elif check_arm_arch 6; then echo armv6;
2853 elif check_arm_arch 6J; then echo armv6j;
2854 elif check_arm_arch 6K; then echo armv6k;
2855 elif check_arm_arch 6Z; then echo armv6z;
2856 elif check_arm_arch 6ZK; then echo armv6zk;
2857 elif check_arm_arch 6T2; then echo armv6t2;
2858 elif check_arm_arch 7; then echo armv7;
2859 elif check_arm_arch 7A 7_A; then echo armv7-a;
2860 elif check_arm_arch 7R 7_R; then echo armv7-r;
2861 elif check_arm_arch 7M 7_M; then echo armv7-m;
2862 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
2863 elif check_arm_arch 8A 8_A; then echo armv8-a;
2864 fi
2865 }
2866
2867 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
2868
33db40f8
MR
2869 case $cpu in
2870 armv*)
2871 cpuflags="-march=$cpu"
2872 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2873 ;;
2874 *)
2875 cpuflags="-mcpu=$cpu"
2876 case $cpu in
2877 cortex-a*) subarch=armv7a ;;
2878 cortex-r*) subarch=armv7r ;;
2879 cortex-m*) enable thumb; subarch=armv7m ;;
2880 arm11*) subarch=armv6 ;;
2881 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2882 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
1234c66a 2883 *) subarch=$(probe_arm_arch) ;;
33db40f8
MR
2884 esac
2885 ;;
2886 esac
2887
f0fe245b
MR
2888 case "$subarch" in
2889 armv5t*) enable fast_clz ;;
2890 armv[6-8]*) enable fast_clz fast_unaligned ;;
2891 esac
2892
33db40f8
MR
2893elif enabled avr32; then
2894
2895 case $cpu in
2896 ap7[02]0[0-2])
2897 subarch="avr32_ap"
2898 cpuflags="-mpart=$cpu"
2899 ;;
2900 ap)
2901 subarch="avr32_ap"
2902 cpuflags="-march=$cpu"
2903 ;;
2904 uc3[ab]*)
2905 subarch="avr32_uc"
2906 cpuflags="-mcpu=$cpu"
2907 ;;
2908 uc)
2909 subarch="avr32_uc"
2910 cpuflags="-march=$cpu"
2911 ;;
2912 esac
2913
2914elif enabled bfin; then
2915
2916 cpuflags="-mcpu=$cpu"
2917
2918elif enabled mips; then
2919
2920 cpuflags="-march=$cpu"
2921
5d54c126 2922elif enabled ppc; then
343aef9b 2923
56348891
MR
2924 case $(tolower $cpu) in
2925 601|ppc601|powerpc601)
9dbd5c3d 2926 cpuflags="-mcpu=601"
64ad53ff 2927 disable altivec
9dbd5c3d 2928 ;;
56348891 2929 603*|ppc603*|powerpc603*)
9dbd5c3d 2930 cpuflags="-mcpu=603"
64ad53ff 2931 disable altivec
9dbd5c3d 2932 ;;
56348891 2933 604*|ppc604*|powerpc604*)
9dbd5c3d 2934 cpuflags="-mcpu=604"
64ad53ff 2935 disable altivec
9dbd5c3d 2936 ;;
56348891 2937 g3|75*|ppc75*|powerpc75*)
7f1fcaf0 2938 cpuflags="-mcpu=750"
64ad53ff 2939 disable altivec
9dbd5c3d 2940 ;;
56348891 2941 g4|745*|ppc745*|powerpc745*)
7f1fcaf0 2942 cpuflags="-mcpu=7450"
9dbd5c3d 2943 ;;
56348891 2944 74*|ppc74*|powerpc74*)
7f1fcaf0 2945 cpuflags="-mcpu=7400"
9dbd5c3d 2946 ;;
313f9fbf 2947 g5|970|ppc970|powerpc970)
7f1fcaf0 2948 cpuflags="-mcpu=970"
9dbd5c3d 2949 ;;
313f9fbf 2950 power[3-7]*)
7f1fcaf0 2951 cpuflags="-mcpu=$cpu"
313f9fbf 2952 ;;
56348891 2953 cell)
9dbd5c3d
MR
2954 cpuflags="-mcpu=cell"
2955 enable ldbrx
2956 ;;
4ab26cb4
DB
2957 e500mc)
2958 cpuflags="-mcpu=e500mc"
2959 disable altivec
2960 ;;
7b0b81a1
AL
2961 e500v2)
2962 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2963 disable altivec
2964 ;;
2965 e500)
2966 cpuflags="-mcpu=8540 -mhard-float"
2967 disable altivec
2968 ;;
9dbd5c3d 2969 esac
343aef9b 2970
33db40f8
MR
2971elif enabled sparc; then
2972
2973 case $cpu in
2974 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
2975 cpuflags="-mcpu=$cpu"
2976 disable vis
2977 ;;
2978 ultrasparc*|niagara[234])
2979 cpuflags="-mcpu=$cpu"
2980 ;;
2981 esac
2982
343aef9b
MR
2983elif enabled x86; then
2984
9dbd5c3d
MR
2985 case $cpu in
2986 i[345]86|pentium)
2987 cpuflags="-march=$cpu"
2988 disable mmx
2989 ;;
f54b5505 2990 # targets that do NOT support nopl and conditional mov (cmov)
9dbd5c3d
MR
2991 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2992 cpuflags="-march=$cpu"
f54b5505 2993 disable i686
9dbd5c3d 2994 ;;
f54b5505 2995 # targets that do support nopl and conditional mov (cmov)
f2ce813e 2996 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
9dbd5c3d 2997 cpuflags="-march=$cpu"
f54b5505 2998 enable i686
9dbd5c3d
MR
2999 enable fast_cmov
3000 ;;
3001 # targets that do support conditional mov but on which it's slow
3002 pentium4|pentium4m|prescott|nocona)
3003 cpuflags="-march=$cpu"
f54b5505 3004 enable i686
9dbd5c3d
MR
3005 disable fast_cmov
3006 ;;
3007 esac
343aef9b 3008
343aef9b
MR
3009fi
3010
9ebd45c2
MR
3011if [ "$cpu" != generic ]; then
3012 add_cflags $cpuflags
3013 add_asflags $cpuflags
3014fi
df5cdc24 3015
993f2d0f
MR
3016# compiler sanity check
3017check_exec <<EOF
3018int main(void){ return 0; }
3019EOF
3020if test "$?" != 0; then
3021 echo "$cc is unable to create an executable file."
3022 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3023 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3024 echo "Only do this if you know what cross compiling means."
3025 fi
3026 die "C compiler test failed."
3027fi
3028
046f081b 3029add_cppflags -D_ISOC99_SOURCE
e9b9a2f8 3030check_cflags -std=c99
50a334e4 3031check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
3032#include <stdlib.h>
3033EOF
50a334e4 3034check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
3035#include <stdlib.h>
3036EOF
e9b9a2f8 3037
f0125de9 3038check_host_cflags -std=c99
0a6db2a2 3039check_host_cflags -Wall
f0125de9 3040
d4c99513
MR
3041check_64bit(){
3042 arch32=$1
3043 arch64=$2
3044 expr=$3
3045 check_code cc "" "int test[2*($expr) - 1]" &&
3046 subarch=$arch64 || subarch=$arch32
3047}
3048
b24dbcbd 3049case "$arch" in
d11cb13b 3050 aarch64|alpha|ia64)
2acda282
MR
3051 spic=$shared
3052 ;;
3053 mips)
3054 check_64bit mips mips64 '_MIPS_SIM > 1'
8a3c8627 3055 spic=$shared
b24dbcbd 3056 ;;
a6e9d649
MR
3057 parisc)
3058 check_64bit parisc parisc64 'sizeof(void *) > 4'
3059 spic=$shared
3060 ;;
56203596
MR
3061 ppc)
3062 check_64bit ppc ppc64 'sizeof(void *) > 4'
1944d532 3063 spic=$shared
56203596 3064 ;;
4cd217c0
MR
3065 sparc)
3066 check_64bit sparc sparc64 'sizeof(void *) > 4'
3067 spic=$shared
3068 ;;
e939cedd 3069 x86)
d4c99513 3070 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
de27f4d9 3071 if test "$subarch" = "x86_64"; then
e939cedd 3072 spic=$shared
de27f4d9 3073 fi
b24dbcbd 3074 ;;
b24dbcbd
RP
3075esac
3076
343aef9b 3077enable $subarch
b1803c79 3078enabled spic && enable_weak pic
b24dbcbd 3079
7483e694 3080# OS specific
4f854758 3081case $target_os in
d3635f3a 3082 aix)
80ade798 3083 SHFLAGS=-shared
d3635f3a 3084 add_cppflags '-I\$(SRC_PATH)/compat/aix'
80ade798 3085 enabled shared && add_ldflags -Wl,-brtl
d3635f3a 3086 ;;
a1629e28 3087 haiku)
63ae7e7c 3088 prefix_default="/boot/common"
108caaaa 3089 network_extralibs="-lnetwork"
f59c4bd6 3090 host_libs=
a1629e28 3091 ;;
7483e694 3092 sunos)
9987769a 3093 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 3094 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 3095 network_extralibs="-lsocket -lnsl"
779222db 3096 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
87a74f47
SM
3097 # When using suncc to build, the Solaris linker will mark
3098 # an executable with each instruction set encountered by
3099 # the Solaris assembler. As our libraries contain their own
3100 # guards for processor-specific code, instead suppress
3101 # generation of the HWCAPS ELF section on Solaris x86 only.
ace87c19
DB
3102 enabled_all suncc x86 &&
3103 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3104 add_ldflags -Wl,-M,mapfile
2a8a860a 3105 nm_default='nm -P -g'
7483e694
DB
3106 ;;
3107 netbsd)
a1e4b3f6 3108 disable symver
07a8eef6
MR
3109 oss_indev_extralibs="-lossaudio"
3110 oss_outdev_extralibs="-lossaudio"
7483e694 3111 ;;
d488c3bc 3112 openbsd|bitrig)
a1e4b3f6 3113 disable symver
7483e694 3114 SHFLAGS='-shared'
69dca3a4 3115 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
d5683aba 3116 SLIB_INSTALL_LINKS=
07a8eef6
MR
3117 oss_indev_extralibs="-lossaudio"
3118 oss_outdev_extralibs="-lossaudio"
7483e694 3119 ;;
a1e4b3f6 3120 dragonfly)
a1e4b3f6
MR
3121 disable symver
3122 ;;
3123 freebsd)
7483e694
DB
3124 ;;
3125 bsd/os)
355d81df 3126 add_extralibs -lpoll -lgnugetopt
7483e694
DB
3127 ;;
3128 darwin)
301ab19d 3129 gas="gas-preprocessor.pl $cc"
e08b8239 3130 enabled ppc && add_asflags -force_cpusubtype_ALL
49e35f49 3131 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
dff68563 3132 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
355d81df 3133 add_ldflags -Wl,-dynamic,-search_paths_first
7483e694
DB
3134 SLIBSUF=".dylib"
3135 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3136 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
304d586d 3137 objformat="macho"
1b0f6fb8 3138 enabled x86_64 && objformat="macho64"
8dfa86f7 3139 enabled_any pic shared ||
2704bd1a 3140 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
3141 ;;
3142 mingw32*)
9d3f4f50 3143 if test $target_os = "mingw32ce"; then
1aa71e25
MS
3144 disable network
3145 else
3146 target_os=mingw32
3147 fi
dcc01c06 3148 LIBTARGET=i386
1fc9fb8a 3149 if enabled x86_64; then
417516f6 3150 LIBTARGET="i386:x86-64"
336cc1b0 3151 elif enabled arm; then
15c5156d 3152 LIBTARGET=arm-wince
dcc01c06 3153 fi
225a5f91
AS
3154 check_ldflags -Wl,--nxcompat
3155 check_ldflags -Wl,--dynamicbase
fbd971a4 3156 shlibdir_default="$bindir_default"
7483e694
DB
3157 SLIBPREF=""
3158 SLIBSUF=".dll"
7483e694
DB
3159 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3160 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
eb7018d2 3161 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2f138f0b
MR
3162 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3163 SLIB_INSTALL_LINKS=
3164 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3165 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
eb7018d2 3166 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 3167 objformat="win32"
ec10a9ab 3168 dlltool="${cross_prefix}dlltool"
a3222470 3169 ranlib=:
bc574408 3170 enable dos_paths
7483e694 3171 ;;
53e8cd68 3172 win32|win64)
d66c52c2
MS
3173 if enabled shared; then
3174 # Link to the import library instead of the normal static library
3175 # for shared libs.
3176 LD_LIB='%.lib'
ace87c19 3177 # Cannot build shared and static libs at the same time with MSVC.
d66c52c2
MS
3178 disable static
3179 fi
3180 shlibdir_default="$bindir_default"
3181 SLIBPREF=""
3182 SLIBSUF=".dll"
3183 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3184 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3185 SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3186 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3187 SLIB_INSTALL_LINKS=
3188 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3189 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3190 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
53e8cd68
MS
3191 objformat="win32"
3192 ranlib=:
3193 enable dos_paths
3194 ;;
7483e694 3195 cygwin*)
4f854758 3196 target_os=cygwin
fbd971a4 3197 shlibdir_default="$bindir_default"
7483e694
DB
3198 SLIBPREF="cyg"
3199 SLIBSUF=".dll"
3200 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3201 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
f5d2c597
YS
3202 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3203 SLIB_INSTALL_LINKS=
3204 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3205 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
304d586d 3206 objformat="win32"
bc574408 3207 enable dos_paths
7483e694 3208 ;;
4f365f37 3209 *-dos|freedos|opendos)
4f365f37 3210 network_extralibs="-lsocket"
ff1c015d 3211 objformat="coff"
bc574408 3212 enable dos_paths
a7a187a1 3213 add_cppflags -U__STRICT_ANSI__
4f365f37 3214 ;;
7483e694 3215 linux)
7483e694
DB
3216 enable dv1394
3217 ;;
3218 irix*)
4f854758 3219 target_os=irix
7483e694
DB
3220 ranlib="echo ignoring ranlib"
3221 ;;
d22e8442 3222 os/2*)
d22e8442 3223 ln_s="cp -f"
9297f1ed 3224 objformat="aout"
e14574eb 3225 add_cppflags -D_GNU_SOURCE
355d81df 3226 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
71c61f62 3227 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
287d3b13 3228 LIBSUF="_s.a"
d22e8442
DY
3229 SLIBPREF=""
3230 SLIBSUF=".dll"
3231 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3232 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62 3233 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
f69f51b3
DB
3234 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3235 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3236 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3237 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3238 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
71c61f62 3239 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
f69f51b3 3240 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2f138f0b 3241 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
bc574408 3242 enable dos_paths
d22e8442 3243 ;;
83993c1c 3244 gnu/kfreebsd)
3bd1eacd 3245 add_cppflags -D_BSD_SOURCE
83993c1c 3246 ;;
34e82167 3247 gnu)
34e82167 3248 ;;
d33ed7b3
MR
3249 qnx)
3250 add_cppflags -D_QNX_SOURCE
3251 network_extralibs="-lsocket"
3252 ;;
1c69c79f
MS
3253 symbian)
3254 SLIBSUF=".dll"
3255 enable dos_paths
e3bc07f4
MS
3256 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3257 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3258 add_ldflags -Wl,--target1-abs,--no-undefined \
3259 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3260 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3261 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3262 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3263 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
1c69c79f 3264 ;;
fdd66609
MR
3265 osf1)
3266 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
fdd66609 3267 ;;
741a8b72
MR
3268 minix)
3269 ;;
4ebc6a74
MR
3270 plan9)
3271 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3272 -D_REENTRANT_SOURCE \
3273 -D_RESEARCH_SOURCE \
3274 -DFD_SETSIZE=96 \
3275 -DHAVE_SOCK_OPTS
3276 add_compat strtod.o strtod=avpriv_strtod
3277 network_extralibs='-lbsd'
3278 exeobjs=compat/plan9/main.o
3279 disable avserver
4ebc6a74
MR
3280 cp_f='cp'
3281 ;;
614d8911
MR
3282 none)
3283 ;;
7483e694 3284 *)
4f924f9a 3285 die "Unknown OS '$target_os'."
7483e694
DB
3286 ;;
3287esac
3288
b797f3c4
MR
3289# determine libc flavour
3290
197252f1 3291# uclibc defines __GLIBC__, so it needs to be checked before glibc.
b797f3c4
MR
3292if check_cpp_condition features.h "defined __UCLIBC__"; then
3293 libc_type=uclibc
3bd1eacd 3294 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
b797f3c4
MR
3295elif check_cpp_condition features.h "defined __GLIBC__"; then
3296 libc_type=glibc
3bd1eacd 3297 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
29f1fa74
DB
3298# MinGW headers can be installed on Cygwin, so check for newlib first.
3299elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3300 libc_type=newlib
3301 add_cppflags -U__STRICT_ANSI__
b797f3c4
MR
3302elif check_header _mingw.h; then
3303 libc_type=mingw
3304 check_cpp_condition _mingw.h \
3305 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3306 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3307 die "ERROR: MinGW runtime version must be >= 3.15."
759a3a21 3308 add_cppflags -U__STRICT_ANSI__
4fa661a8
RB
3309elif check_func_headers stdlib.h _get_doserrno; then
3310 libc_type=msvcrt
84e65c76
MR
3311 add_compat strtod.o strtod=avpriv_strtod
3312 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3313