build: cosmetics: Group hwaccel OBJS declarations together
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
070c5d0f 3# Libav configure script
f57620d5 4#
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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.
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11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
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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
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20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
0dbe81bb
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24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
0dbe81bb
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
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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
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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."
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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
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54 exit 1
55fi
56
a77f01c7
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57test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
58
74c53c2d 59show_help(){
f69f51b3 60 cat <<EOF
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61Usage: configure [options]
62Options: [defaults in brackets after descriptions]
63
3b327a4b 64Help options:
06454877 65 --help print this message
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66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
77
78Standard options:
19bd477d 79 --logfile=FILE log tests and output to FILE [config.log]
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80 --disable-logging do not log configure debug information
81 --prefix=PREFIX install in PREFIX [$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]
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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]
749b1f13 89 --enable-rpath use rpath when linking programs [USE WITH CARE]
06454877 90
3b327a4b 91Licensing options:
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92 --enable-gpl allow use of GPL code, the resulting libs
93 and binaries will be under GPL [no]
94 --enable-version3 upgrade (L)GPL to version 3 [no]
95 --enable-nonfree allow use of nonfree code, the resulting libs
96 and binaries will be unredistributable [no]
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97
98Configuration options:
99 --disable-static do not build static libraries [no]
100 --enable-shared build shared libraries [no]
101 --enable-small optimize for size instead of speed
102 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
103 --enable-gray enable full grayscale support (slower color)
104 --disable-swscale-alpha disable alpha channel support in swscale
844c6852 105 --disable-all disable building components, libraries and programs
3b327a4b 106
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107Program options:
108 --disable-programs do not build command line programs
6291d7e4 109 --disable-avconv disable avconv build
266463da 110 --disable-avplay disable avplay build
9e12f0bf 111 --disable-avprobe disable avprobe build
894682a9 112 --disable-avserver deprecated, does nothing
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113
114Component options:
115 --disable-doc do not build documentation
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116 --disable-avdevice disable libavdevice build
117 --disable-avcodec disable libavcodec build
118 --disable-avformat disable libavformat build
d89f2fa9 119 --disable-avutil disable libavutil build
5a0f7131 120 --disable-swscale disable libswscale build
cccc039f 121 --disable-avfilter disable video filter support [no]
c8af852b 122 --disable-avresample disable libavresample build [no]
0dbfc1db 123 --disable-pthreads disable pthreads [auto]
7b7b220c 124 --disable-w32threads disable Win32 threads [auto]
06454877 125 --disable-network disable network support [no]
7f3f5f46 126 --disable-dct disable DCT code
0b499c9b 127 --disable-error-resilience disable error resilience code
193cdd9a 128 --disable-lsp disable LSP code
2a91ada8 129 --disable-lzo disable LZO decoder code
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130 --disable-mdct disable MDCT code
131 --disable-rdft disable RDFT code
3b327a4b 132 --disable-fft disable FFT code
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133
134Hardware accelerators:
3b327a4b 135 --enable-dxva2 enable DXVA2 code
dcb73592 136 --enable-vaapi enable VAAPI code
ac3dbb4d 137 --enable-vda enable VDA code
e8f6bd4b 138 --enable-vdpau enable VDPAU code
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139
140Individual component options:
bb55e3a3 141 --disable-everything disable all components listed below
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142 --disable-encoder=NAME disable encoder NAME
143 --enable-encoder=NAME enable encoder NAME
144 --disable-encoders disable all encoders
145 --disable-decoder=NAME disable decoder NAME
146 --enable-decoder=NAME enable decoder NAME
147 --disable-decoders disable all decoders
148 --disable-hwaccel=NAME disable hwaccel NAME
149 --enable-hwaccel=NAME enable hwaccel NAME
150 --disable-hwaccels disable all hwaccels
151 --disable-muxer=NAME disable muxer NAME
152 --enable-muxer=NAME enable muxer NAME
153 --disable-muxers disable all muxers
154 --disable-demuxer=NAME disable demuxer NAME
155 --enable-demuxer=NAME enable demuxer NAME
156 --disable-demuxers disable all demuxers
157 --enable-parser=NAME enable parser NAME
158 --disable-parser=NAME disable parser NAME
159 --disable-parsers disable all parsers
160 --enable-bsf=NAME enable bitstream filter NAME
161 --disable-bsf=NAME disable bitstream filter NAME
162 --disable-bsfs disable all bitstream filters
163 --enable-protocol=NAME enable protocol NAME
164 --disable-protocol=NAME disable protocol NAME
165 --disable-protocols disable all protocols
3b327a4b 166 --enable-indev=NAME enable input device NAME
06454877 167 --disable-indev=NAME disable input device NAME
06454877 168 --disable-indevs disable input devices
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169 --enable-outdev=NAME enable output device NAME
170 --disable-outdev=NAME disable output device NAME
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171 --disable-outdevs disable output devices
172 --disable-devices disable all devices
173 --enable-filter=NAME enable filter NAME
174 --disable-filter=NAME disable filter NAME
175 --disable-filters disable all filters
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176
177External library support:
03039f4c 178 --enable-avisynth enable reading of AviSynth script files [no]
06454877 179 --enable-bzlib enable bzlib [autodetect]
47941088 180 --enable-frei0r enable frei0r video filtering
bc8c1395 181 --enable-gnutls enable gnutls [no]
1c0210c7 182 --enable-libbs2b enable bs2b DSP library [no]
e417d80d 183 --enable-libcdio enable audio CD grabbing with libcdio
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184 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
185 and libraw1394 [no]
c547e5ff 186 --enable-libfaac enable AAC encoding via libfaac [no]
4f2b469d 187 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
a5b64584 188 --enable-libfreetype enable libfreetype [no]
c547e5ff 189 --enable-libgsm enable GSM de/encoding via libgsm [no]
3641b048 190 --enable-libilbc enable iLBC de/encoding via libilbc [no]
06454877 191 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
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192 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
193 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
194 --enable-libopencv enable video filtering via libopencv [no]
453c02f9 195 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
7c5ca546 196 --enable-libopus enable Opus de/encoding via libopus [no]
7c922411 197 --enable-libpulse enable Pulseaudio input via libpulse [no]
0f943ce6 198 --enable-librtmp enable RTMP[E] support via librtmp [no]
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199 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
200 --enable-libspeex enable Speex de/encoding via libspeex [no]
06454877 201 --enable-libtheora enable Theora encoding via libtheora [no]
718907cd 202 --enable-libtwolame enable MP2 encoding via libtwolame [no]
d89e738a 203 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
f502ff3f 204 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
c547e5ff 205 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
3f111804 206 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
84d3ff50 207 --enable-libwavpack enable wavpack encoding via libwavpack [no]
be7c3231 208 --enable-libwebp enable WebP encoding via libwebp [no]
06454877 209 --enable-libx264 enable H.264 encoding via x264 [no]
50ea9315 210 --enable-libx265 enable HEVC encoding via x265 [no]
de295976 211 --enable-libxavs enable AVS encoding via xavs [no]
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212 --enable-libxvid enable Xvid encoding via xvidcore,
213 native MPEG-4/Xvid encoder exists [no]
a060866f 214 --enable-openssl enable openssl [no]
45235ac4 215 --enable-x11grab enable X11 grabbing [no]
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216 --enable-zlib enable zlib [autodetect]
217
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DB
218Toolchain options:
219 --arch=ARCH select architecture [$arch]
220 --cpu=CPU select the minimum required CPU (affects
221 instruction selection, may crash on older CPUs)
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222 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
223 --enable-cross-compile assume a cross-compiler is used
224 --sysroot=PATH root of cross-build tree
225 --sysinclude=PATH location of cross-build system headers
226 --target-os=OS compiler targets OS [$target_os]
227 --target-exec=CMD command to run executables on target
228 --target-path=DIR path to view of build directory on target
ba13606c 229 --target-samples=DIR path to samples directory on target
aeeb782c 230 --toolchain=NAME set tool defaults according to NAME
06454877 231 --nm=NM use nm tool
121d78d0 232 --ar=AR use archive tool AR [$ar_default]
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233 --as=AS use assembler AS [$as_default]
234 --cc=CC use C compiler CC [$cc_default]
193cdd9a 235 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
06454877 236 --ld=LD use linker LD
852c329a 237 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
390acbea 238 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
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239 --host-cc=HOSTCC use host C compiler HOSTCC
240 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
4cc4b33f 241 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
095792f2 242 --host-ld=HOSTLD use host linker HOSTLD
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243 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
244 --host-libs=HLIBS use libs HLIBS when linking for host
193cdd9a 245 --host-os=OS compiler host OS [$target_os]
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246 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
247 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
bb0babd7 248 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
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249 --extra-libs=ELIBS add ELIBS [$ELIBS]
250 --extra-version=STRING version string suffix []
193cdd9a 251 --optflags=OPTFLAGS override optimization-related compiler flags
06454877 252 --build-suffix=SUFFIX library name suffix []
3b327a4b 253 --enable-pic build position-independent code
193cdd9a 254 --enable-thumb compile for Thumb instruction set
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255 --enable-lto use link-time optimization
256
257Advanced options (experts only):
258 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
3b327a4b 259 --disable-symver disable symbol versioning
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260 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
261 --disable-safe-bitstream-reader
262 disable buffer boundary checking in bitreaders
263 (faster, but may crash)
264 --enable-memalign-hack emulate memalign, interferes with memory debuggers
b3c6ee19 265 --enable-sram allow use of on-chip SRAM
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266
267Optimization options (experts only):
463a7cde 268 --disable-asm disable all assembly optimizations
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269 --disable-altivec disable AltiVec optimizations
270 --disable-amd3dnow disable 3DNow! optimizations
271 --disable-amd3dnowext disable 3DNow! extended optimizations
272 --disable-mmx disable MMX optimizations
239fdf1b 273 --disable-mmxext disable MMXEXT optimizations
06454877 274 --disable-sse disable SSE optimizations
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275 --disable-sse2 disable SSE2 optimizations
276 --disable-sse3 disable SSE3 optimizations
06454877 277 --disable-ssse3 disable SSSE3 optimizations
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278 --disable-sse4 disable SSE4 optimizations
279 --disable-sse42 disable SSE4.2 optimizations
87f1355f 280 --disable-avx disable AVX optimizations
10b0161d 281 --disable-xop disable XOP optimizations
1b932eb1 282 --disable-fma3 disable FMA3 optimizations
79687079 283 --disable-fma4 disable FMA4 optimizations
4d6ee072 284 --disable-avx2 disable AVX2 optimizations
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285 --disable-armv5te disable armv5te optimizations
286 --disable-armv6 disable armv6 optimizations
287 --disable-armv6t2 disable armv6t2 optimizations
b3267559 288 --disable-vfp disable VFP optimizations
5ea20630 289 --disable-neon disable NEON optimizations
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290 --disable-inline-asm disable use of inline assembly
291 --disable-yasm disable use of nasm/yasm assembly
06454877 292
070c5d0f 293Developer options (useful when working on Libav itself):
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294 --disable-debug disable debugging symbols
295 --enable-debug=LEVEL set the debug level [$debuglevel]
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296 --disable-optimizations disable compiler optimizations
297 --enable-extra-warnings enable more compiler warnings
52b3cc60 298 --samples=PATH location of test samples for FATE, if not set use
9309bdfe 299 \$LIBAV_SAMPLES at make invocation time.
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300 --enable-neon-clobber-test check NEON registers for clobbering (should be
301 used only for debugging purposes)
7e4d9d5d
RB
302 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
303 should be used only for debugging purposes)
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304 --enable-random randomly enable/disable components
305 --disable-random
306 --enable-random=LIST randomly enable/disable specific components or
307 --disable-random=LIST component groups. LIST is a comma-separated list
308 of NAME[:PROB] entries where NAME is a component
309 (group) and PROB the probability associated with
310 NAME (default 0.5).
311 --random-seed=VALUE seed value for --enable/disable-random
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312
313NOTE: Object files are built at the place where configure is launched.
314EOF
60e8bc13 315 exit 0
74c53c2d 316}
cf9d24ad 317
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318quotes='""'
319
57bd82d4 320log(){
2270b4b2 321 echo "$@" >> $logfile
57bd82d4
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322}
323
720c69da 324log_file(){
c8e9f801 325 log BEGIN $1
2270b4b2 326 pr -n -t $1 >> $logfile
c8e9f801
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327 log END $1
328}
329
2ba042a7 330echolog(){
c8e9f801 331 log "$@"
57bd82d4 332 echo "$@"
2ba042a7
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333}
334
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335warn(){
336 log "WARNING: $*"
337 WARNINGS="${WARNINGS}WARNING: $*\n"
338}
339
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340die(){
341 echolog "$@"
342 cat <<EOF
d326cf7f 343
2ba042a7 344If you think configure made a mistake, make sure you are using the latest
4a6a21f5 345version from Git. If the latest version fails, report the problem to the
5045f6bd 346libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
2ba042a7 347EOF
e155a21a 348 if disabled logging; then
2ba042a7 349 cat <<EOF
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350Rerun configure with logging enabled (do not use --disable-logging), and
351include the log this produces with your report.
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352EOF
353 else
f69f51b3 354 cat <<EOF
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355Include the log file "$logfile" produced by configure as this will help
356solving the problem.
2ba042a7
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357EOF
358 fi
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359 exit 1
360}
361
6c6007d6 362# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 363toupper(){
6c6007d6 364 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
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365}
366
4a5444db 367tolower(){
6c6007d6 368 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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369}
370
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371c_escape(){
372 echo "$*" | sed 's/["\\]/\\\0/g'
373}
374
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375sh_quote(){
376 v=$(echo "$1" | sed "s/'/'\\\\''/g")
d72c981c 377 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
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378 echo "$v"
379}
380
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381cleanws(){
382 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
383}
384
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385filter(){
386 pat=$1
387 shift
388 for v; do
98ef6079 389 eval "case $v in $pat) echo $v ;; esac"
be8f2501
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390 done
391}
392
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393filter_out(){
394 pat=$1
395 shift
396 for v; do
397 eval "case $v in $pat) ;; *) echo $v ;; esac"
398 done
399}
400
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401map(){
402 m=$1
403 shift
e0e335a0 404 for v; do eval $m; done
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405}
406
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407add_suffix(){
408 suffix=$1
409 shift
410 for v; do echo ${v}${suffix}; done
411}
412
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413set_all(){
414 value=$1
415 shift
416 for var in $*; do
417 eval $var=$value
418 done
419}
420
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421set_weak(){
422 value=$1
423 shift
424 for var; do
425 eval : \${$var:=$value}
426 done
427}
428
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429sanitize_var_name(){
430 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
431}
432
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433set_safe(){
434 var=$1
435 shift
f868b24d 436 eval $(sanitize_var_name "$var")='$*'
3f8040db
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437}
438
439get_safe(){
f868b24d 440 eval echo \$$(sanitize_var_name "$1")
3f8040db
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441}
442
799c9e9b 443pushvar(){
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MS
444 for pvar in $*; do
445 eval level=\${${pvar}_level:=0}
446 eval ${pvar}_${level}="\$$pvar"
447 eval ${pvar}_level=$(($level+1))
799c9e9b
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448 done
449}
450
451popvar(){
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MS
452 for pvar in $*; do
453 eval level=\${${pvar}_level:-0}
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454 test $level = 0 && continue
455 eval level=$(($level-1))
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MS
456 eval $pvar="\${${pvar}_${level}}"
457 eval ${pvar}_level=$level
458 eval unset ${pvar}_${level}
799c9e9b
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459 done
460}
461
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462enable(){
463 set_all yes $*
464}
465
466disable(){
467 set_all no $*
468}
469
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470enable_weak(){
471 set_weak yes $*
472}
473
474disable_weak(){
475 set_weak no $*
476}
477
72702705 478enable_safe(){
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479 for var; do
480 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
481 done
72702705
MR
482}
483
484disable_safe(){
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485 for var; do
486 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
487 done
72702705
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488}
489
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490do_enable_deep(){
491 for var; do
492 enabled $var && continue
493 eval sel="\$${var}_select"
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494 eval sgs="\$${var}_suggest"
495 pushvar var sgs
f9d328da 496 enable_deep $sel
c510c7b5
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497 popvar sgs
498 enable_deep_weak $sgs
f9d328da
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499 popvar var
500 done
501}
502
503enable_deep(){
504 do_enable_deep $*
505 enable $*
506}
507
72a43668 508enable_deep_weak(){
ffb068ce
MS
509 for var; do
510 disabled $var && continue
511 pushvar var
512 do_enable_deep $var
513 popvar var
514 enable_weak $var
515 done
72a43668
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516}
517
57bd82d4 518enabled(){
3250003c
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519 test "${1#!}" = "$1" && op== || op=!=
520 eval test "x\$${1#!}" $op "xyes"
44161118
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521}
522
37970ebf 523disabled(){
3250003c
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524 test "${1#!}" = "$1" && op== || op=!=
525 eval test "x\$${1#!}" $op "xno"
37970ebf
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526}
527
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528enabled_all(){
529 for opt; do
530 enabled $opt || return 1
531 done
532}
533
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534disabled_all(){
535 for opt; do
536 disabled $opt || return 1
537 done
538}
539
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540enabled_any(){
541 for opt; do
542 enabled $opt && return 0
543 done
544}
545
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546disabled_any(){
547 for opt; do
548 disabled $opt && return 0
549 done
f7b230a7 550 return 1
85bca2c5
DB
551}
552
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553set_default(){
554 for opt; do
88268e94 555 eval : \${$opt:=\$${opt}_default}
c9d19248
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556 done
557}
558
4a0d6686
AJ
559is_in(){
560 value=$1
561 shift
562 for var in $*; do
563 [ $var = $value ] && return 0
564 done
565 return 1
566}
567
d4f8cecc 568do_check_deps(){
30fd06be 569 for cfg; do
3250003c 570 cfg="${cfg#!}"
799c9e9b
MR
571 enabled ${cfg}_checking && die "Circular dependency for $cfg."
572 disabled ${cfg}_checking && continue
573 enable ${cfg}_checking
d4f8cecc 574 append allopts $cfg
799c9e9b 575
30fd06be
MR
576 eval dep_all="\$${cfg}_deps"
577 eval dep_any="\$${cfg}_deps_any"
7ef3425f 578 eval dep_sel="\$${cfg}_select"
c510c7b5 579 eval dep_sgs="\$${cfg}_suggest"
3d7453e0
MR
580 eval dep_ifa="\$${cfg}_if"
581 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 582
3d7453e0 583 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
d4f8cecc 584 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
3d7453e0 585 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 586
3d7453e0
MR
587 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
588 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
6a702d4c
MR
589 enabled_all $dep_all || disable $cfg
590 enabled_any $dep_any || disable $cfg
7ef3425f 591 disabled_any $dep_sel && disable $cfg
799c9e9b 592
4ec45764 593 if enabled $cfg; then
f9d328da 594 enable_deep $dep_sel
c510c7b5 595 enable_deep_weak $dep_sgs
4ec45764
RP
596 fi
597
799c9e9b 598 disable ${cfg}_checking
30fd06be
MR
599 done
600}
601
d4f8cecc
MR
602check_deps(){
603 unset allopts
604
605 do_check_deps "$@"
606
607 for cfg in $allopts; do
608 enabled $cfg || continue
609 eval dep_extralibs="\$${cfg}_extralibs"
610 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
611 done
612}
613
44161118
MR
614print_config(){
615 pfx=$1
72cfcf41
MR
616 files=$2
617 shift 2
f454e879
MR
618 map 'eval echo "$v \${$v:-no}"' "$@" |
619 awk "BEGIN { split(\"$files\", files) }
620 {
621 c = \"$pfx\" toupper(\$1);
622 v = \$2;
623 sub(/yes/, 1, v);
624 sub(/no/, 0, v);
625 for (f in files) {
626 file = files[f];
627 if (file ~ /\\.h\$/) {
628 printf(\"#define %s %d\\n\", c, v) >>file;
629 } else if (file ~ /\\.asm\$/) {
630 printf(\"%%define %s %d\\n\", c, v) >>file;
631 } else if (file ~ /\\.mak\$/) {
d16c4aeb 632 n = -v ? \"\" : \"!\";
f454e879
MR
633 printf(\"%s%s=yes\\n\", n, c) >>file;
634 }
635 }
636 }"
57bd82d4
MR
637}
638
31c0121d 639print_enabled(){
31c0121d
MR
640 suf=$1
641 shift
642 for v; do
9eda2a85 643 enabled $v && printf "%s\n" ${v%$suf};
31c0121d
MR
644 done
645}
646
57bd82d4
MR
647append(){
648 var=$1
649 shift
57bd82d4
MR
650 eval "$var=\"\$$var $*\""
651}
652
60361817
MR
653prepend(){
654 var=$1
655 shift
656 eval "$var=\"$* \$$var\""
657}
658
44951174
JG
659unique(){
660 var=$1
661 uniq_list=""
662 for tok in $(eval echo \$$var); do
663 uniq_list="$(filter_out $tok $uniq_list) $tok"
664 done
665 eval "$var=\"${uniq_list}\""
666}
667
50a334e4 668add_cppflags(){
cd52ec95 669 append CPPFLAGS "$@"
50a334e4
MR
670}
671
57bd82d4 672add_cflags(){
01d31e16 673 append CFLAGS $($cflags_filter "$@")
57bd82d4
MR
674}
675
2f2e6c7c 676add_asflags(){
01d31e16 677 append ASFLAGS $($asflags_filter "$@")
2f2e6c7c
MR
678}
679
57bd82d4 680add_ldflags(){
64933b6c 681 append LDFLAGS $($ldflags_filter "$@")
57bd82d4
MR
682}
683
bb0babd7
LB
684add_ldexeflags(){
685 append LDEXEFLAGS $($ldflags_filter "$@")
686}
687
0673ede9
VG
688add_stripflags(){
689 append STRIPFLAGS "$@"
690}
691
57bd82d4 692add_extralibs(){
64933b6c 693 prepend extralibs $($ldflags_filter "$@")
57bd82d4
MR
694}
695
4cc4b33f
DB
696add_host_cppflags(){
697 append host_cppflags "$@"
698}
699
6c3fa06a
MR
700add_host_cflags(){
701 append host_cflags $($host_cflags_filter "$@")
702}
703
704add_host_ldflags(){
705 append host_ldflags $($host_ldflags_filter "$@")
706}
707
84e65c76
MR
708add_compat(){
709 append compat_objs $1
710 shift
711 map 'add_cppflags -D$v' "$@"
712}
713
b0cfb663 714check_cmd(){
b3cb5d51 715 log "$@"
2270b4b2 716 "$@" >> $logfile 2>&1
b0cfb663
MR
717}
718
b2704a65
MR
719cc_o(){
720 eval printf '%s\\n' $CC_O
721}
722
18031c49
MR
723cc_e(){
724 eval printf '%s\\n' $CC_E
725}
726
dcd479c0 727check_cc(){
57bd82d4 728 log check_cc "$@"
2270b4b2 729 cat > $TMPC
720c69da 730 log_file $TMPC
23565c26 731 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
57bd82d4
MR
732}
733
734check_cpp(){
735 log check_cpp "$@"
2270b4b2 736 cat > $TMPC
720c69da 737 log_file $TMPC
18031c49 738 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
dcd479c0
MR
739}
740
df0d6341
MR
741as_o(){
742 eval printf '%s\\n' $AS_O
743}
744
f65883c8
MR
745check_as(){
746 log check_as "$@"
7fd90119
MR
747 cat > $TMPS
748 log_file $TMPS
749 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
f65883c8
MR
750}
751
575db883
DB
752check_inline_asm(){
753 log check_inline_asm "$@"
940f335a 754 name="$1"
3784e82e 755 code="$2"
940f335a 756 shift 2
49214f61 757 disable $name
7fd90119 758 check_cc "$@" <<EOF && enable $name
3784e82e 759void foo(void){ __asm__ volatile($code); }
940f335a
MR
760EOF
761}
762
c6ebc9fa
MR
763check_insn(){
764 log check_insn "$@"
765 check_inline_asm ${1}_inline "\"$2\""
766 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
767}
768
304d586d
LM
769check_yasm(){
770 log check_yasm "$@"
771 echo "$1" > $TMPS
772 log_file $TMPS
773 shift 1
774 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
775}
776
29b64b68
MR
777ld_o(){
778 eval printf '%s\\n' $LD_O
779}
780
dcd479c0 781check_ld(){
57bd82d4 782 log check_ld "$@"
66a1ccd7
MR
783 flags=$(filter_out '-l*' "$@")
784 libs=$(filter '-l*' "$@")
01d31e16 785 check_cc $($cflags_filter $flags) || return
64933b6c
MR
786 flags=$($ldflags_filter $flags)
787 libs=$($ldflags_filter $libs)
29b64b68 788 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
dcd479c0
MR
789}
790
52ccc4a0
DB
791print_include(){
792 hdr=$1
793 test "${hdr%.h}" = "${hdr}" &&
794 echo "#include $hdr" ||
795 echo "#include <$hdr>"
796}
797
5adc829e
MR
798check_code(){
799 log check_code "$@"
800 check=$1
801 headers=$2
802 code=$3
803 shift 3
804 {
805 for hdr in $headers; do
52ccc4a0 806 print_include $hdr
5adc829e
MR
807 done
808 echo "int main(void) { $code; return 0; }"
809 } | check_$check "$@"
810}
811
50a334e4
MR
812check_cppflags(){
813 log check_cppflags "$@"
caf458dd 814 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
815int x;
816EOF
817}
818
23157d72
DB
819test_cflags(){
820 log test_cflags "$@"
01d31e16 821 set -- $($cflags_filter "$@")
23157d72 822 check_cc "$@" <<EOF
dcd479c0
MR
823int x;
824EOF
825}
826
23157d72
DB
827check_cflags(){
828 log check_cflags "$@"
829 test_cflags "$@" && add_cflags "$@"
830}
831
2ed46eea
MR
832test_ldflags(){
833 log test_ldflags "$@"
834 check_ld "$@" <<EOF
c23a0ac8 835int main(void){ return 0; }
dcd479c0
MR
836EOF
837}
838
2ed46eea
MR
839check_ldflags(){
840 log check_ldflags "$@"
841 test_ldflags "$@" && add_ldflags "$@"
842}
843
0673ede9
VG
844test_stripflags(){
845 log test_stripflags "$@"
846 # call check_cc to get a fresh TMPO
847 check_cc <<EOF
848int main(void) { return 0; }
849EOF
850 check_cmd $strip $STRIPFLAGS "$@" $TMPO
851}
852
853check_stripflags(){
854 log check_stripflags "$@"
855 test_stripflags "$@" && add_stripflags "$@"
856}
857
dcd479c0 858check_header(){
57bd82d4 859 log check_header "$@"
dcd479c0
MR
860 header=$1
861 shift
b77df637
MR
862 disable_safe $header
863 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
864#include <$header>
865int x;
866EOF
867}
868
869check_func(){
57bd82d4 870 log check_func "$@"
dcd479c0
MR
871 func=$1
872 shift
d8bc5f06
MR
873 disable $func
874 check_ld "$@" <<EOF && enable $func
dcd479c0 875extern int $func();
c23a0ac8 876int main(void){ $func(); }
dcd479c0
MR
877EOF
878}
879
645d2652 880check_mathfunc(){
6b73c0ae 881 log check_mathfunc "$@"
645d2652 882 func=$1
1aa07aa2
MR
883 narg=$2
884 shift 2
885 test $narg = 2 && args="f, g" || args="f"
645d2652
MR
886 disable $func
887 check_ld "$@" <<EOF && enable $func
888#include <math.h>
1aa07aa2 889float foo(float f, float g) { return $func($args); }
33bd38db 890int main(void){ return 0; }
645d2652
MR
891EOF
892}
893
2446d3d6
DB
894check_func_headers(){
895 log check_func_headers "$@"
f8d7b072 896 headers=$1
edaf1ae2 897 funcs=$2
f8d7b072 898 shift 2
edaf1ae2
MR
899 {
900 for hdr in $headers; do
52ccc4a0 901 print_include $hdr
edaf1ae2
MR
902 done
903 for func in $funcs; do
904 echo "long check_$func(void) { return (long) $func; }"
905 done
906 echo "int main(void) { return 0; }"
907 } | check_ld "$@" && enable $funcs && enable_safe $headers
f8d7b072
MR
908}
909
a5344cf7
SS
910check_cpp_condition(){
911 log check_cpp_condition "$@"
912 header=$1
913 condition=$2
f855b7b9 914 shift 2
cd52ec95 915 check_cpp "$@" <<EOF
a5344cf7
SS
916#include <$header>
917#if !($condition)
918#error "unsatisfied condition: $condition"
919#endif
920EOF
921}
922
57bd82d4
MR
923check_lib(){
924 log check_lib "$@"
925 header="$1"
926 func="$2"
927 shift 2
84400e9d 928 check_header $header && check_func $func "$@" && add_extralibs "$@"
57bd82d4
MR
929}
930
f8d7b072
MR
931check_lib2(){
932 log check_lib2 "$@"
933 headers="$1"
edaf1ae2 934 funcs="$2"
f8d7b072 935 shift 2
edaf1ae2 936 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
f8d7b072
MR
937}
938
3f8040db
MR
939check_pkg_config(){
940 log check_pkg_config "$@"
941 pkg="$1"
942 headers="$2"
943 funcs="$3"
944 shift 3
7f9e893f 945 check_cmd $pkg_config --exists --print-errors $pkg || return
390acbea
LB
946 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
947 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
3f8040db
MR
948 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
949 set_safe ${pkg}_cflags $pkg_cflags &&
950 set_safe ${pkg}_libs $pkg_libs
951}
952
dcd479c0 953check_exec(){
2270b4b2 954 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
955}
956
7dfef245 957check_exec_crash(){
5e622c40 958 code=$(cat)
7dfef245
MR
959
960 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
961 # are safe but may not be available everywhere. Thus we use
962 # raise(SIGTERM) instead. The check is run in a subshell so we
963 # can redirect the "Terminated" message from the shell. SIGBUS
964 # is not defined by standard C so it is used conditionally.
965
2270b4b2 966 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
967#include <signal.h>
968static void sighandler(int sig){
969 raise(SIGTERM);
970}
692dd8ed
MR
971int foo(void){
972 $code
973}
9495cd17 974int (*func_ptr)(void) = foo;
e5af4a11 975int main(void){
7dfef245
MR
976 signal(SIGILL, sighandler);
977 signal(SIGFPE, sighandler);
978 signal(SIGSEGV, sighandler);
979#ifdef SIGBUS
980 signal(SIGBUS, sighandler);
981#endif
9495cd17 982 return func_ptr();
7dfef245
MR
983}
984EOF
985}
986
72be9e73
DY
987check_type(){
988 log check_type "$@"
989 headers=$1
990 type=$2
991 shift 2
ae550ce9 992 disable_safe "$type"
5adc829e 993 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
72be9e73
DY
994}
995
14d36751 996check_struct(){
813b82b9 997 log check_struct "$@"
14d36751
MR
998 headers=$1
999 struct=$2
1000 member=$3
1001 shift 3
1002 disable_safe "${struct}_${member}"
5adc829e
MR
1003 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1004 enable_safe "${struct}_${member}"
14d36751
MR
1005}
1006
9c7d85b3
DB
1007check_builtin(){
1008 log check_builtin "$@"
1009 name=$1
1010 headers=$2
1011 builtin=$3
1012 shift 3
1013 disable "$name"
1014 check_code ld "$headers" "$builtin" "$@" && enable "$name"
1015}
1016
e854b8f9
AK
1017check_compile_assert(){
1018 log check_compile_assert "$@"
1019 name=$1
1020 headers=$2
1021 condition=$3
1022 shift 3
1023 disable "$name"
1024 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1025}
1026
57bd82d4
MR
1027require(){
1028 name="$1"
1029 header="$2"
1030 func="$3"
1031 shift 3
1032 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
1033}
1034
f8d7b072
MR
1035require2(){
1036 name="$1"
1037 headers="$2"
1038 func="$3"
1039 shift 3
1040 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1041}
1042
3f8040db
MR
1043require_pkg_config(){
1044 pkg="$1"
1045 check_pkg_config "$@" || die "ERROR: $pkg not found"
1046 add_cflags $(get_safe ${pkg}_cflags)
1047 add_extralibs $(get_safe ${pkg}_libs)
1048}
1049
27565164
DB
1050hostcc_e(){
1051 eval printf '%s\\n' $HOSTCC_E
1052}
1053
ae43c4c0
MR
1054hostcc_o(){
1055 eval printf '%s\\n' $HOSTCC_O
1056}
1057
f0125de9
MR
1058check_host_cc(){
1059 log check_host_cc "$@"
1060 cat > $TMPC
1061 log_file $TMPC
ae43c4c0 1062 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
f0125de9
MR
1063}
1064
27565164
DB
1065check_host_cpp(){
1066 log check_host_cpp "$@"
1067 cat > $TMPC
1068 log_file $TMPC
1069 check_cmd $host_cc $HOSTCPPFLAGS $HOSTCFLAGS "$@" $(hostcc_e $TMPO) $TMPC
1070}
1071
4cc4b33f
DB
1072check_host_cppflags(){
1073 log check_host_cppflags "$@"
1074 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1075int x;
1076EOF
1077}
1078
f0125de9
MR
1079check_host_cflags(){
1080 log check_host_cflags "$@"
6c3fa06a 1081 set -- $($host_cflags_filter "$@")
f0125de9
MR
1082 check_host_cc "$@" <<EOF && append host_cflags "$@"
1083int x;
1084EOF
1085}
1086
27565164
DB
1087check_host_cpp_condition(){
1088 log check_host_cpp_condition "$@"
1089 header=$1
1090 condition=$2
1091 shift 2
1092 check_host_cpp "$@" <<EOF
1093#include <$header>
1094#if !($condition)
1095#error "unsatisfied condition: $condition"
1096#endif
1097EOF
1098}
1099
c505dd31
MR
1100apply(){
1101 file=$1
1102 shift
1103 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1104}
1105
c34681df 1106cp_if_changed(){
5e27ec28
MR
1107 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1108 mkdir -p "$(dirname $2)"
4ebc6a74 1109 $cp_f "$1" "$2"
c34681df
MR
1110}
1111
dcd61286
DB
1112# CONFIG_LIST contains configurable options, while HAVE_LIST is for
1113# system-dependent things.
1114
4a0d6686
AJ
1115COMPONENT_LIST="
1116 bsfs
1117 decoders
1118 demuxers
1119 encoders
3cde40aa 1120 filters
5666fd73 1121 hwaccels
c552605c 1122 indevs
4a0d6686 1123 muxers
c552605c 1124 outdevs
4a0d6686
AJ
1125 parsers
1126 protocols
1127"
1128
ab81f24a 1129EXAMPLE_LIST="
b339182e 1130 avcodec_example
e7dfaf16 1131 filter_audio_example
b339182e 1132 metadata_example
ab81f24a 1133 output_example
10421bcf 1134 transcode_aac_example
ab81f24a
DB
1135"
1136
3fc09b00
MR
1137EXTERNAL_LIBRARY_LIST="
1138 avisynth
1139 bzlib
1140 frei0r
1141 gnutls
1c0210c7 1142 libbs2b
3fc09b00
MR
1143 libcdio
1144 libdc1394
1145 libfaac
1146 libfdk_aac
f1b239ec 1147 libfontconfig
3fc09b00
MR
1148 libfreetype
1149 libgsm
1150 libilbc
1151 libmp3lame
1152 libopencore_amrnb
1153 libopencore_amrwb
1154 libopencv
1155 libopenjpeg
1156 libopus
1157 libpulse
1158 librtmp
1159 libschroedinger
1160 libspeex
1161 libtheora
718907cd 1162 libtwolame
3fc09b00
MR
1163 libvo_aacenc
1164 libvo_amrwbenc
1165 libvorbis
1166 libvpx
84d3ff50 1167 libwavpack
be7c3231 1168 libwebp
3fc09b00 1169 libx264
50ea9315 1170 libx265
3fc09b00
MR
1171 libxavs
1172 libxvid
1173 openssl
1174 x11grab
1175 zlib
1176"
1177
d0adf55c
DB
1178FEATURE_LIST="
1179 gray
1180 hardcoded_tables
1181 runtime_cpudetect
1182 safe_bitstream_reader
1183 shared
1184 small
1185 sram
1186 static
1187 swscale_alpha
1188"
1189
70b348ec
DB
1190HWACCEL_LIST="
1191 dxva2
1192 vaapi
1193 vda
1194 vdpau
1195"
7caf48e0 1196
d89f2fa9
DB
1197LIBRARY_LIST="
1198 avcodec
1199 avdevice
1200 avfilter
1201 avformat
1202 avresample
1203 avutil
1204 swscale
1205"
1206
d0adf55c
DB
1207LICENSE_LIST="
1208 gpl
1209 nonfree
1210 version3
1211"
1212
055c61b8
DB
1213PROGRAM_LIST="
1214 avconv
1215 avplay
1216 avprobe
055c61b8
DB
1217"
1218
d0adf55c 1219SUBSYSTEM_LIST="
7f3f5f46 1220 dct
4da3f410 1221 doc
0b499c9b 1222 error_resilience
1848f7d9 1223 fft
b781cc12 1224 lsp
2a91ada8 1225 lzo
47a158cb 1226 mdct
d0adf55c
DB
1227 network
1228 rdft
1229"
1230
1231CONFIG_LIST="
1232 $COMPONENT_LIST
1233 $EXAMPLE_LIST
1234 $EXTERNAL_LIBRARY_LIST
1235 $FEATURE_LIST
1236 $HWACCEL_LIST
1237 $LICENSE_LIST
1238 $LIBRARY_LIST
1239 $PROGRAM_LIST
1240 $SUBSYSTEM_LIST
c88f5d72 1241 memalign_hack
44a0a98f 1242 neon_clobber_test
8a3c8627 1243 pic
7caf48e0 1244 pod2man
f187557a 1245 texi2html
8986fddc 1246 thumb
7e4d9d5d 1247 xmm_clobber_test
4a0d6686 1248"
c88f5d72 1249
7caf48e0 1250THREADS_LIST="
8eee7025
DB
1251 pthreads
1252 w32threads
7caf48e0 1253"
8eee7025 1254
7caf48e0 1255ATOMICS_LIST="
f9f6402e 1256 atomics_gcc
f9f6402e 1257 atomics_suncc
93e65e9a 1258 atomics_win32
7caf48e0 1259"
f9f6402e 1260
7caf48e0 1261ARCH_LIST="
5873b623 1262 aarch64
3f5b56e5 1263 alpha
a2fc0f6a 1264 arm
fdcd782d
MR
1265 avr32
1266 avr32_ap
1267 avr32_uc
3f5b56e5
MR
1268 bfin
1269 ia64
1270 m68k
1271 mips
bae3abb0 1272 mips64
3f5b56e5 1273 parisc
79cb09b2 1274 ppc
34d11b87 1275 ppc64
3f5b56e5
MR
1276 s390
1277 sh4
1278 sparc
1279 sparc64
c75848cd
DB
1280 tilegx
1281 tilepro
0844bae1 1282 tomi
3f5b56e5
MR
1283 x86
1284 x86_32
1285 x86_64
7caf48e0 1286"
3f5b56e5 1287
7caf48e0 1288ARCH_EXT_LIST_ARM="
81dfa21e
MR
1289 armv5te
1290 armv6
1291 armv6t2
8675bcb0 1292 armv8
81dfa21e 1293 neon
b3267559 1294 vfp
81dfa21e 1295 vfpv3
7caf48e0 1296"
81dfa21e 1297
7caf48e0 1298ARCH_EXT_LIST_X86_SIMD="
3bf96eec 1299 amd3dnow
a1ef9f08 1300 amd3dnowext
50cd43f2 1301 avx
4d6ee072 1302 avx2
1b932eb1 1303 fma3
50cd43f2
DB
1304 fma4
1305 mmx
1306 mmxext
1307 sse
1308 sse2
1309 sse3
1310 sse4
1311 sse42
1312 ssse3
7caf48e0
DB
1313 xop
1314"
50cd43f2 1315
7a650caf
DB
1316ARCH_EXT_LIST_PPC="
1317 altivec
1318 dcbzl
1319 ldbrx
1320 ppc4xx
1321"
1322
84bf8817
DB
1323ARCH_EXT_LIST_X86="
1324 $ARCH_EXT_LIST_X86_SIMD
1325 cpunop
1326 i686
1327"
1328
50cd43f2 1329ARCH_EXT_LIST="
81dfa21e 1330 $ARCH_EXT_LIST_ARM
7a650caf 1331 $ARCH_EXT_LIST_PPC
50cd43f2 1332 $ARCH_EXT_LIST_X86
7a650caf
DB
1333 loongson
1334 vis
50cd43f2 1335"
3f5b56e5 1336
7a650caf
DB
1337ARCH_FEATURES="
1338 aligned_stack
1339 fast_64bit
1340 fast_clz
1341 fast_cmov
1342 local_aligned_8
1343 local_aligned_16
eba2233b 1344 simd_align_16
7a650caf
DB
1345"
1346
1347BUILTIN_LIST="
1348 atomic_cas_ptr
1349 machine_rw_barrier
1350 MemoryBarrier
1351 mm_empty
1352 rdtsc
1353 sync_val_compare_and_swap
1354"
7caf48e0 1355HAVE_LIST_CMDLINE="
fd712a55
DB
1356 inline_asm
1357 symver
1358 yasm
7caf48e0 1359"
fd712a55 1360
7caf48e0 1361HAVE_LIST_PUB="
a3e02a8c 1362 bigendian
d268eee9 1363 fast_unaligned
7caf48e0 1364"
a3e02a8c 1365
7a650caf
DB
1366HEADERS_LIST="
1367 alsa_asoundlib_h
1368 altivec_h
1369 arpa_inet_h
1370 cdio_paranoia_h
1371 cdio_paranoia_paranoia_h
1372 dev_bktr_ioctl_bt848_h
1373 dev_bktr_ioctl_meteor_h
1374 dev_ic_bt8xx_h
1375 dev_video_bktr_ioctl_bt848_h
1376 dev_video_meteor_ioctl_meteor_h
1377 direct_h
1378 dlfcn_h
1379 dxva_h
1380 gsm_h
1381 io_h
1382 mach_mach_time_h
1383 machine_ioctl_bt848_h
1384 machine_ioctl_meteor_h
1385 malloc_h
1386 poll_h
1387 sndio_h
1388 soundcard_h
1389 sys_mman_h
1390 sys_param_h
1391 sys_resource_h
1392 sys_select_h
1393 sys_soundcard_h
1394 sys_time_h
1395 sys_un_h
1396 sys_videoio_h
1397 unistd_h
1398 windows_h
1399 winsock2_h
1400"
1401
d45ebd48
JG
1402INTRINSICS_LIST="
1403 intrinsics_neon
1404"
1405
79042ab3 1406MATH_FUNCS="
fab0a8b2
MR
1407 atanf
1408 atan2f
79042ab3 1409 cbrtf
fab0a8b2 1410 cosf
79042ab3
DB
1411 exp2
1412 exp2f
fab0a8b2 1413 expf
79042ab3
DB
1414 isinf
1415 isnan
fab0a8b2 1416 ldexpf
79042ab3
DB
1417 llrint
1418 llrintf
1419 log2
1420 log2f
fab0a8b2 1421 log10f
79042ab3
DB
1422 lrint
1423 lrintf
fab0a8b2 1424 powf
79042ab3
DB
1425 rint
1426 round
1427 roundf
fab0a8b2 1428 sinf
79042ab3
DB
1429 trunc
1430 truncf
1431"
1432
7a650caf 1433SYSTEM_FUNCS="
be1a839c 1434 aligned_malloc
ebef9f5a 1435 clock_gettime
ecf97f22 1436 closesocket
15caccb9 1437 CommandLineToArgvW
a61c2115 1438 CoTaskMemFree
1093383d 1439 CryptGenRandom
c88f5d72 1440 dlopen
534a2231 1441 fcntl
e854b8f9 1442 flt_lim
9d99cc5a 1443 fork
84882df6 1444 getaddrinfo
da9e86f8 1445 gethrtime
667fb97a 1446 getopt
02e8f427 1447 GetProcessAffinityMask
fc5607f8 1448 GetProcessMemoryInfo
4e68cb8a 1449 GetProcessTimes
66be5b45 1450 getrusage
c3e73100 1451 getservbyport
7caf48e0 1452 GetSystemTimeAsFileTime
61183b5a 1453 gettimeofday
2e1913b1 1454 inet_aton
abfc8d05 1455 isatty
8772997d 1456 jack_port_get_latency_range
a5b64584 1457 localtime_r
c708b540 1458 mach_absolute_time
73f6d31e 1459 MapViewOfFile
c88f5d72 1460 memalign
6ffa87d3 1461 mkstemp
0328b9ea 1462 mmap
e98b02de 1463 mprotect
d3d3a32c 1464 nanosleep
1f91cdce 1465 posix_memalign
ea4d5f48 1466 sched_getaffinity
7e6a11bc 1467 SetConsoleTextAttribute
b507ebd1 1468 setmode
3e0b1c9a 1469 setrlimit
d3d3a32c 1470 Sleep
87958234 1471 strerror_r
6379900c 1472 strptime
7a650caf
DB
1473 sysconf
1474 sysctl
1475 usleep
1476 VirtualAlloc
1477"
1478
1479TOOLCHAIN_FEATURES="
896a5bff 1480 as_dn_directive
d5a55981 1481 as_func
7a650caf
DB
1482 asm_mod_q
1483 attribute_may_alias
1484 attribute_packed
1485 ebp_available
1486 ebx_available
1487 gnu_as
1488 ibm_asm
1489 inline_asm_labels
1490 pragma_deprecated
1491 symver_asm_label
1492 symver_gnu_asm
1493 vfp_args
1494 xform_asm
1495 xmm_clobbers
1496"
1497
1498TYPES_LIST="
1499 socklen_t
c0018613 1500 struct_addrinfo
75d339e0
MS
1501 struct_group_source_req
1502 struct_ip_mreq_source
b4d68544 1503 struct_ipv6_mreq
cdee08e3 1504 struct_pollfd
3e0b1c9a 1505 struct_rusage_ru_maxrss
b4d68544 1506 struct_sockaddr_in6
3b2372bf 1507 struct_sockaddr_sa_len
33a4dbdd 1508 struct_sockaddr_storage
a6a4793d 1509 struct_v4l2_frmivalenum_discrete
7a650caf
DB
1510"
1511
1512HAVE_LIST="
1513 $ARCH_EXT_LIST
1514 $(add_suffix _external $ARCH_EXT_LIST)
1515 $(add_suffix _inline $ARCH_EXT_LIST)
1516 $ARCH_FEATURES
1517 $ATOMICS_LIST
1518 $BUILTIN_LIST
1519 $HAVE_LIST_CMDLINE
1520 $HAVE_LIST_PUB
1521 $HEADERS_LIST
d45ebd48 1522 $INTRINSICS_LIST
7a650caf
DB
1523 $MATH_FUNCS
1524 $SYSTEM_FUNCS
1525 $THREADS_LIST
1526 $TOOLCHAIN_FEATURES
1527 $TYPES_LIST
1528 atomics_native
1529 dos_paths
a61c2115 1530 dxva2_lib
7a650caf
DB
1531 libc_msvcrt
1532 libdc1394_1
1533 libdc1394_2
1534 sdl
b265431e 1535 threads
7671dd7c 1536 vdpau_x11
7671dd7c 1537 xlib
0cb78cef 1538"
44161118 1539
511cf612 1540# options emitted with CONFIG_ prefix but not available on the command line
b6bb00b0 1541CONFIG_EXTRA="
87849592 1542 aandcttables
bfe9f48a 1543 ac3dsp
aa11cb79 1544 audio_frame_queue
9a9e2f1c 1545 audiodsp
e74433a8 1546 blockdsp
c67b449b 1547 bswapdsp
8ef33497 1548 cabac
f6ee61fb 1549 dvprofile
a9aee08d 1550 fdctdsp
bfe9f48a 1551 gcrypt
478fd534 1552 golomb
9cad0e4e 1553 gplv3
0338c396 1554 h263dsp
478fd534
DB
1555 h264chroma
1556 h264dsp
1557 h264pred
915a2a0a 1558 h264qpel
68d8238c 1559 hpeldsp
478fd534 1560 huffman
0d439fbe 1561 huffyuvdsp
512f3ffe 1562 huffyuvencdsp
e3fcb143 1563 idctdsp
bd499d9a 1564 iirfilter
dc4d726b 1565 intrax8
9cad0e4e 1566 lgplv3
478fd534 1567 lpc
2d604443 1568 me_cmp
7b9ef8d7 1569 mpeg_er
1e164c0b 1570 mpegaudio
bfe9f48a 1571 mpegaudiodsp
18bbca1f 1572 mpegvideo
ad08dfd5 1573 mpegvideoenc
bfe9f48a 1574 nettle
f46bb608 1575 pixblockdsp
368f5035 1576 qpeldsp
f704a079 1577 rangecoder
255d9c57 1578 riffdec
3dd5c95d 1579 riffenc
bfe9f48a 1580 rtpdec
5ad2f0bf 1581 rtpenc_chain
bfe9f48a 1582 sinewin
db7f1c7c 1583 startcode
57f09608 1584 tpeldsp
8c53d39e 1585 videodsp
ab9f9876 1586 vp3dsp
b6bb00b0
MR
1587"
1588
520cc7f1 1589CMDLINE_SELECT="
3f5b56e5 1590 $ARCH_EXT_LIST
520cc7f1 1591 $CONFIG_LIST
fd712a55 1592 $HAVE_LIST_CMDLINE
8eee7025 1593 $THREADS_LIST
c8a4ae00 1594 asm
db6107b6 1595 cross_compile
520cc7f1
MR
1596 debug
1597 extra_warnings
8c6afa4d 1598 logging
65d12900 1599 lto
d2bbb2f7 1600 optimizations
749b1f13 1601 rpath
520cc7f1 1602"
426be5dc 1603
7caf48e0 1604PATHS_LIST="
d156bede 1605 bindir
14a8acf1 1606 datadir
f4ca970d 1607 docdir
26759c44
MR
1608 incdir
1609 libdir
26759c44
MR
1610 mandir
1611 prefix
1612 shlibdir
7caf48e0 1613"
426be5dc
DB
1614
1615CMDLINE_SET="
1616 $PATHS_LIST
121d78d0 1617 ar
426be5dc 1618 arch
313c46a6 1619 as
426be5dc
DB
1620 build_suffix
1621 cc
1622 cpu
1623 cross_prefix
50567afa 1624 dep_cc
ac63af34 1625 extra_version
9da6609f
MR
1626 host_cc
1627 host_cflags
095792f2 1628 host_ld
9da6609f
MR
1629 host_ldflags
1630 host_libs
82bb3329 1631 host_os
684b28e0 1632 ld
426be5dc 1633 logfile
4ae40685 1634 malloc_prefix
89641463 1635 nm
9cd7b854 1636 optflags
3f8040db 1637 pkg_config
390acbea 1638 pkg_config_flags
154caa67 1639 random_seed
2fad0977 1640 samples
c5200f17
MR
1641 sysinclude
1642 sysroot
a7ada2ba 1643 target_exec
26759c44 1644 target_os
a7ada2ba 1645 target_path
ba13606c 1646 target_samples
aeeb782c 1647 toolchain
426be5dc 1648"
520cc7f1 1649
89f2932b
MR
1650CMDLINE_APPEND="
1651 extra_cflags
4cc4b33f 1652 host_cppflags
89f2932b
MR
1653"
1654
912f3148
DB
1655# code dependency declarations
1656
9eeed841 1657# architecture extensions
808fa33c 1658
a2fc0f6a
MR
1659armv5te_deps="arm"
1660armv6_deps="arm"
ab5cb084 1661armv6t2_deps="arm"
8675bcb0 1662armv8_deps="aarch64"
b7b17ed6 1663neon_deps_any="aarch64 arm"
d45ebd48 1664intrinsics_neon_deps="neon"
b7b17ed6 1665vfp_deps_any="aarch64 arm"
b3267559 1666vfpv3_deps="vfp"
808fa33c 1667
637606de
MR
1668map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1669
808fa33c
MR
1670altivec_deps="ppc"
1671ppc4xx_deps="ppc"
1672
84146963
DB
1673cpunop_deps="i686"
1674x86_64_select="i686"
1675x86_64_suggest="fast_cmov"
50cd43f2 1676
808fa33c
MR
1677amd3dnow_deps="mmx"
1678amd3dnowext_deps="amd3dnow"
fb87e69f 1679i686_deps="x86"
9eeed841 1680mmx_deps="x86"
239fdf1b 1681mmxext_deps="mmx"
50cd43f2
DB
1682sse_deps="mmxext"
1683sse2_deps="sse"
1684sse3_deps="sse2"
1685ssse3_deps="sse3"
1686sse4_deps="ssse3"
1687sse42_deps="sse4"
1688avx_deps="sse42"
10b0161d 1689xop_deps="avx"
1b932eb1 1690fma3_deps="avx"
79687079 1691fma4_deps="avx"
4d6ee072 1692avx2_deps="avx"
9eeed841 1693
43b73d59
DB
1694mmx_external_deps="yasm"
1695mmx_inline_deps="inline_asm"
1696mmx_suggest="mmx_external mmx_inline"
1697
84bf8817 1698for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
43b73d59
DB
1699 eval dep=\$${ext}_deps
1700 eval ${ext}_external_deps='"${dep}_external"'
1701 eval ${ext}_inline_deps='"${dep}_inline"'
1702 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1703done
1704
032d4da8
JG
1705aligned_stack_if_any="aarch64 ppc x86"
1706fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1707fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1708fast_unaligned_if_any="aarch64 ppc x86"
eba2233b 1709simd_align_16_if_any="altivec neon sse"
89e053f8 1710
1a5fdf95
DB
1711# system capabilities
1712log2_deps="!libc_msvcrt"
1713
b462d132
MR
1714symver_if_any="symver_asm_label symver_gnu_asm"
1715
8558595a
DB
1716# threading support
1717atomics_gcc_if="sync_val_compare_and_swap"
1718atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1719atomics_win32_if="MemoryBarrier"
1720atomics_native_if_any="$ATOMICS_LIST"
874c751c 1721w32threads_deps="atomics_native"
8558595a
DB
1722threads_if_any="$THREADS_LIST"
1723
26fbcc85 1724# subsystems
dc609252 1725dct_select="rdft"
2d604443 1726error_resilience_select="me_cmp"
fbf4d219 1727intrax8_select="error_resilience"
26fbcc85
MR
1728mdct_select="fft"
1729rdft_select="fft"
2d604443 1730me_cmp_select="fdctdsp idctdsp pixblockdsp"
7b9ef8d7 1731mpeg_er_select="error_resilience"
1e164c0b 1732mpegaudio_select="mpegaudiodsp"
c4f5c2d6 1733mpegaudiodsp_select="dct"
2d604443
DB
1734mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp videodsp"
1735mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
26fbcc85 1736
ed40b6bf 1737# decoders / encoders
cfc2a0cf 1738aac_decoder_select="mdct sinewin"
bd499d9a 1739aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
136e19e1 1740aac_latm_decoder_select="aac_decoder aac_latm_parser"
c67b449b 1741ac3_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2d604443
DB
1742ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
1743ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
e3fcb143 1744aic_decoder_select="golomb idctdsp"
f4d608e3 1745alac_encoder_select="lpc"
c67b449b 1746als_decoder_select="bswapdsp"
b781cc12 1747amrnb_decoder_select="lsp"
2b2a597e 1748amrwb_decoder_select="lsp"
0a36988e 1749amv_decoder_select="sp5x_decoder"
c67b449b 1750ape_decoder_select="bswapdsp"
e3fcb143 1751asv1_decoder_select="blockdsp bswapdsp idctdsp"
f46bb608 1752asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
e3fcb143 1753asv2_decoder_select="blockdsp bswapdsp idctdsp"
f46bb608 1754asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
4538729a 1755atrac1_decoder_select="mdct sinewin"
26fbcc85 1756atrac3_decoder_select="mdct"
e6f0bb65 1757atrac3p_decoder_select="mdct sinewin"
e74433a8 1758bink_decoder_select="blockdsp hpeldsp"
a33657ce
DB
1759binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1760binkaudio_rdft_decoder_select="mdct rdft sinewin"
e3fcb143 1761cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
c67b449b 1762cllc_decoder_select="bswapdsp"
9b500b8f 1763comfortnoise_encoder_select="lpc"
9a9e2f1c 1764cook_decoder_select="audiodsp mdct sinewin"
2a91ada8 1765cscd_decoder_select="lzo"
2eef7c62 1766cscd_decoder_suggest="zlib"
26fbcc85 1767dca_decoder_select="mdct"
e3fcb143 1768dnxhd_decoder_select="blockdsp idctdsp"
f46bb608 1769dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
f6ee61fb 1770dvvideo_decoder_select="dvprofile idctdsp"
2d604443 1771dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
61c31e4e 1772dxa_decoder_deps="zlib"
baf91bb9 1773eac3_decoder_select="ac3_decoder"
4264a0dd 1774eac3_encoder_select="ac3_encoder"
e3fcb143
DB
1775eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
1776eatgq_decoder_select="aandcttables idctdsp"
1777eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
38389058 1778exr_decoder_deps="zlib"
cd832f03
DB
1779ffv1_decoder_select="golomb rangecoder"
1780ffv1_encoder_select="rangecoder"
2f02bbcc
DB
1781ffvhuff_decoder_select="huffyuv_decoder"
1782ffvhuff_encoder_select="huffyuv_encoder"
93e15a32 1783fic_decoder_select="golomb"
4f034993 1784flac_decoder_select="golomb"
c67b449b 1785flac_encoder_select="bswapdsp golomb lpc"
61c31e4e
DB
1786flashsv_decoder_deps="zlib"
1787flashsv_encoder_deps="zlib"
1788flashsv2_decoder_deps="zlib"
4414137e 1789flv_decoder_select="h263_decoder"
4d4b4bd1 1790flv_encoder_select="h263_encoder"
c67b449b
DB
1791fourxm_decoder_select="blockdsp bswapdsp"
1792fraps_decoder_select="bswapdsp huffman"
61c31e4e 1793g2m_decoder_deps="zlib"
e3fcb143 1794g2m_decoder_select="blockdsp idctdsp"
7b9ef8d7 1795h261_decoder_select="mpeg_er mpegvideo"
ad08dfd5 1796h261_encoder_select="aandcttables mpegvideoenc"
7b9ef8d7 1797h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
0338c396 1798h263_encoder_select="aandcttables h263dsp mpegvideoenc"
4414137e 1799h263i_decoder_select="h263_decoder"
fe629c2d 1800h263p_encoder_select="h263_encoder"
db7f1c7c 1801h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
0b499c9b 1802h264_decoder_suggest="error_resilience"
c67b449b
DB
1803hevc_decoder_select="bswapdsp cabac golomb videodsp"
1804huffyuv_decoder_select="bswapdsp huffyuvdsp"
1805huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
34150be5 1806iac_decoder_select="imc_decoder"
c67b449b 1807imc_decoder_select="bswapdsp fft mdct sinewin"
8f992dc8 1808indeo3_decoder_select="hpeldsp"
8071264f 1809interplay_video_decoder_select="hpeldsp"
8e0cf39f 1810jpegls_decoder_select="golomb mjpeg_decoder"
4f034993 1811jpegls_encoder_select="golomb"
e74433a8 1812jv_decoder_select="blockdsp"
0d439fbe 1813lagarith_decoder_select="huffyuvdsp"
e3fcb143 1814ljpeg_encoder_select="aandcttables idctdsp"
4f034993 1815loco_decoder_select="golomb"
e3fcb143 1816mdec_decoder_select="blockdsp idctdsp mpegvideo"
3e589878 1817metasound_decoder_select="lsp mdct sinewin"
e3fcb143
DB
1818mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
1819mjpeg_decoder_select="blockdsp hpeldsp idctdsp"
6cd76e54 1820mjpeg_encoder_select="aandcttables mpegvideoenc"
7caf48e0 1821mjpegb_decoder_select="mjpeg_decoder"
9ecf1b62 1822mlp_decoder_select="mlp_parser"
c67b449b 1823motionpixels_decoder_select="bswapdsp"
1e164c0b
DB
1824mp1_decoder_select="mpegaudio"
1825mp1float_decoder_select="mpegaudio"
1826mp2_decoder_select="mpegaudio"
1827mp2float_decoder_select="mpegaudio"
1828mp3_decoder_select="mpegaudio"
1829mp3adu_decoder_select="mpegaudio"
1830mp3adufloat_decoder_select="mpegaudio"
1831mp3float_decoder_select="mpegaudio"
1832mp3on4_decoder_select="mpegaudio"
1833mp3on4float_decoder_select="mpegaudio"
c67b449b 1834mpc7_decoder_select="bswapdsp mpegaudiodsp"
88b24064 1835mpc8_decoder_select="mpegaudiodsp"
3e0b1c9a 1836mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
d767e2f9 1837mpeg_xvmc_decoder_select="mpeg2video_decoder"
7b9ef8d7 1838mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
06b54e84 1839mpeg1video_encoder_select="aandcttables mpegvideoenc"
7b9ef8d7 1840mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
06b54e84 1841mpeg2video_encoder_select="aandcttables mpegvideoenc"
3e0b1c9a
DB
1842mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1843mpeg4_encoder_select="h263_encoder"
4414137e 1844msmpeg4v1_decoder_select="h263_decoder"
4414137e 1845msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1846msmpeg4v2_encoder_select="h263_encoder"
4414137e 1847msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1848msmpeg4v3_encoder_select="h263_encoder"
7b9ef8d7 1849mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
8e0cf39f 1850mxpeg_decoder_select="mjpeg_decoder"
4538729a 1851nellymoser_decoder_select="mdct sinewin"
aa11cb79 1852nellymoser_encoder_select="audio_frame_queue mdct sinewin"
e3fcb143 1853nuv_decoder_select="idctdsp lzo"
e2834567 1854on2avc_decoder_select="mdct"
b70d7a4a 1855opus_decoder_deps="avresample"
61c31e4e 1856png_decoder_deps="zlib"
61c31e4e 1857png_encoder_deps="zlib"
512f3ffe 1858png_encoder_select="huffyuvencdsp"
e3fcb143 1859prores_decoder_select="idctdsp"
a9aee08d 1860prores_encoder_select="fdctdsp"
b781cc12 1861qcelp_decoder_select="lsp"
c4f5c2d6 1862qdm2_decoder_select="mdct rdft mpegaudiodsp"
aa11cb79 1863ra_144_encoder_select="audio_frame_queue lpc"
9f43fdda 1864ralf_decoder_select="golomb"
7b9ef8d7 1865rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
b2bf38b4 1866rv10_encoder_select="h263_encoder"
7b9ef8d7 1867rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
b2bf38b4 1868rv20_encoder_select="h263_encoder"
7b9ef8d7
DB
1869rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
1870rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
4f034993 1871shorten_decoder_select="golomb"
b781cc12 1872sipr_decoder_select="lsp"
8e0cf39f 1873sp5x_decoder_select="mjpeg_decoder"
6caa44aa 1874svq1_decoder_select="hpeldsp"
2d604443 1875svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
57f09608 1876svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
d48430c3 1877svq3_decoder_suggest="zlib"
9a9e2f1c 1878tak_decoder_select="audiodsp"
4eef77c1 1879theora_decoder_select="vp3_decoder"
7caf48e0 1880thp_decoder_select="mjpeg_decoder"
2eef7c62
AJ
1881tiff_decoder_suggest="zlib"
1882tiff_encoder_suggest="zlib"
aec09a00 1883truehd_decoder_select="mlp_decoder"
c67b449b
DB
1884truemotion2_decoder_select="bswapdsp"
1885truespeech_decoder_select="bswapdsp"
61c31e4e 1886tscc_decoder_deps="zlib"
4538729a 1887twinvq_decoder_select="mdct lsp sinewin"
c67b449b
DB
1888utvideo_decoder_select="bswapdsp"
1889utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
0d439fbe 1890vble_decoder_select="huffyuvdsp"
adf8227c 1891vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"
45ecda85 1892vc1image_decoder_select="vc1_decoder"
26fbcc85
MR
1893vorbis_decoder_select="mdct"
1894vorbis_encoder_select="mdct"
3bd062bf 1895vp3_decoder_select="hpeldsp vp3dsp videodsp"
cb7ecb75
RB
1896vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
1897vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
e82dc4c9
DB
1898vp6a_decoder_select="vp6_decoder"
1899vp6f_decoder_select="vp6_decoder"
ac4b32df 1900vp7_decoder_select="h264pred videodsp"
8c53d39e 1901vp8_decoder_select="h264pred videodsp"
72ca830f 1902vp9_decoder_select="videodsp"
c4bfa098 1903webp_decoder_select="vp8_decoder"
4538729a
MR
1904wmapro_decoder_select="mdct sinewin"
1905wmav1_decoder_select="mdct sinewin"
1906wmav1_encoder_select="mdct sinewin"
1907wmav2_decoder_select="mdct sinewin"
1908wmav2_encoder_select="mdct sinewin"
1909wmavoice_decoder_select="lsp rdft dct mdct sinewin"
f95bfab0 1910wmv1_decoder_select="h263_decoder"
665507aa 1911wmv1_encoder_select="h263_encoder"
e3fcb143 1912wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp"
1746e2a9 1913wmv2_encoder_select="h263_encoder"
015f8ee0 1914wmv3_decoder_select="vc1_decoder"
45ecda85 1915wmv3image_decoder_select="wmv3_decoder"
61c31e4e
DB
1916zerocodec_decoder_deps="zlib"
1917zlib_decoder_deps="zlib"
1918zlib_encoder_deps="zlib"
1919zmbv_decoder_deps="zlib"
1920zmbv_encoder_deps="zlib"
30fd06be 1921
ed40b6bf 1922# hardware accelerators
215cdd35 1923dxva2_deps="dxva2api_h"
0afab17e 1924vaapi_deps="va_va_h"
ac3dbb4d 1925vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
9840130e 1926vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
c89c96e9
MR
1927vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1928
82ca17ac
DB
1929h263_vaapi_hwaccel_deps="vaapi"
1930h263_vaapi_hwaccel_select="h263_decoder"
1931h263_vdpau_hwaccel_deps="vdpau"
1932h263_vdpau_hwaccel_select="h263_decoder"
215cdd35
DB
1933h264_dxva2_hwaccel_deps="dxva2"
1934h264_dxva2_hwaccel_select="h264_decoder"
82ca17ac
DB
1935h264_vaapi_hwaccel_deps="vaapi"
1936h264_vaapi_hwaccel_select="h264_decoder"
1937h264_vda_hwaccel_deps="vda"
1938h264_vda_hwaccel_select="h264_decoder"
67afcefb
AK
1939h264_vda_old_hwaccel_deps="vda"
1940h264_vda_old_hwaccel_select="h264_decoder"
82ca17ac
DB
1941h264_vdpau_hwaccel_deps="vdpau"
1942h264_vdpau_hwaccel_select="h264_decoder"
82ca17ac
DB
1943mpeg1_vdpau_hwaccel_deps="vdpau"
1944mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
215cdd35
DB
1945mpeg2_dxva2_hwaccel_deps="dxva2"
1946mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
82ca17ac
DB
1947mpeg2_vaapi_hwaccel_deps="vaapi"
1948mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
1949mpeg2_vdpau_hwaccel_deps="vdpau"
1950mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
1951mpeg4_vaapi_hwaccel_deps="vaapi"
1952mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
82ca17ac
DB
1953mpeg4_vdpau_hwaccel_deps="vdpau"
1954mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
215cdd35
DB
1955vc1_dxva2_hwaccel_deps="dxva2"
1956vc1_dxva2_hwaccel_select="vc1_decoder"
82ca17ac
DB
1957vc1_vaapi_hwaccel_deps="vaapi"
1958vc1_vaapi_hwaccel_select="vc1_decoder"
82ca17ac
DB
1959vc1_vdpau_hwaccel_deps="vdpau"
1960vc1_vdpau_hwaccel_select="vc1_decoder"
ed40b6bf
DB
1961wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1962wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
77525327 1963wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
ed40b6bf 1964
28b80940 1965# parsers
fb7127b2 1966h264_parser_select="h264_decoder"
a6a675a7 1967mpegvideo_parser_select="mpegvideo"
7b9ef8d7 1968mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
adf8227c 1969vc1_parser_select="mpegvideo startcode"
28b80940 1970
912f3148 1971# external libraries
c9171a83 1972libfaac_encoder_deps="libfaac"
aa11cb79 1973libfaac_encoder_select="audio_frame_queue"
4f2b469d 1974libfdk_aac_decoder_deps="libfdk_aac"
37eeb5e2 1975libfdk_aac_encoder_deps="libfdk_aac"
aa11cb79 1976libfdk_aac_encoder_select="audio_frame_queue"
299c77d5
MR
1977libgsm_decoder_deps="libgsm"
1978libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1979libgsm_ms_decoder_deps="libgsm"
1980libgsm_ms_encoder_deps="libgsm"
3641b048
MS
1981libilbc_decoder_deps="libilbc"
1982libilbc_encoder_deps="libilbc"
1cc60c47 1983libmp3lame_encoder_deps="libmp3lame"
aa11cb79 1984libmp3lame_encoder_select="audio_frame_queue"
0b175caa
DB
1985libopencore_amrnb_decoder_deps="libopencore_amrnb"
1986libopencore_amrnb_encoder_deps="libopencore_amrnb"
aa11cb79 1987libopencore_amrnb_encoder_select="audio_frame_queue"
0b175caa 1988libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1989libopenjpeg_decoder_deps="libopenjpeg"
453c02f9 1990libopenjpeg_encoder_deps="libopenjpeg"
44617d6e 1991libopus_decoder_deps="libopus"
6cb8c854 1992libopus_encoder_deps="libopus"
aa11cb79 1993libopus_encoder_select="audio_frame_queue"
f7cd9eed
AS
1994libschroedinger_decoder_deps="libschroedinger"
1995libschroedinger_encoder_deps="libschroedinger"
ae14f311 1996libspeex_decoder_deps="libspeex"
b606a017 1997libspeex_encoder_deps="libspeex"
aa11cb79 1998libspeex_encoder_select="audio_frame_queue"
150d2772 1999libtheora_encoder_deps="libtheora"
718907cd 2000libtwolame_encoder_deps="libtwolame"
d89e738a 2001libvo_aacenc_encoder_deps="libvo_aacenc"
aa11cb79 2002libvo_aacenc_encoder_select="audio_frame_queue"
f502ff3f 2003libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
b0caf888 2004libvorbis_encoder_deps="libvorbis"
aa11cb79 2005libvorbis_encoder_select="audio_frame_queue"
3f111804
LB
2006libvpx_vp8_decoder_deps="libvpx"
2007libvpx_vp8_encoder_deps="libvpx"
2008libvpx_vp9_decoder_deps="libvpx"
2009libvpx_vp9_encoder_deps="libvpx"
84d3ff50 2010libwavpack_encoder_deps="libwavpack"
be7c3231 2011libwebp_encoder_deps="libwebp"
1cc60c47 2012libx264_encoder_deps="libx264"
50ea9315 2013libx265_encoder_deps="libx265"
de295976 2014libxavs_encoder_deps="libxavs"
1cc60c47 2015libxvid_encoder_deps="libxvid"
30fd06be 2016
912f3148 2017# demuxers / muxers
c2dd0e9e 2018ac3_demuxer_select="ac3_parser"
255d9c57 2019asf_demuxer_select="riffdec"
3dd5c95d 2020asf_muxer_select="riffenc"
647c2356 2021asf_stream_muxer_select="asf_muxer"
255d9c57 2022avi_demuxer_select="riffdec"
3dd5c95d 2023avi_muxer_select="riffenc"
4e622dea 2024avisynth_demuxer_deps="avisynth"
255d9c57
DB
2025avisynth_demuxer_select="riffdec"
2026caf_demuxer_select="riffdec"
c2dd0e9e 2027dirac_demuxer_select="dirac_parser"
f6ee61fb
AK
2028dv_demuxer_select="dvprofile"
2029dv_muxer_select="dvprofile"
255d9c57 2030dxa_demuxer_select="riffdec"
5b423887 2031eac3_demuxer_select="ac3_parser"
e01fba55 2032f4v_muxer_select="mov_muxer"
c2dd0e9e 2033flac_demuxer_select="flac_parser"
435214a7 2034hds_muxer_select="flv_muxer"
c9031c7c 2035hls_muxer_select="mpegts_muxer"
647c2356 2036ipod_muxer_select="mov_muxer"
31f16dc1 2037ismv_muxer_select="mov_muxer"
647c2356 2038matroska_audio_muxer_select="matroska_muxer"
255d9c57 2039matroska_demuxer_select="riffdec"
2a91ada8 2040matroska_demuxer_suggest="bzlib lzo zlib"
3dd5c95d
DB
2041matroska_muxer_select="riffenc"
2042mmf_muxer_select="riffenc"
255d9c57 2043mov_demuxer_select="riffdec"
4e622dea 2044mov_demuxer_suggest="zlib"
3dd5c95d 2045mov_muxer_select="riffenc rtpenc_chain"
c2dd0e9e 2046mp3_demuxer_select="mpegaudio_parser"
647c2356 2047mp4_muxer_select="mov_muxer"
75644335 2048mpegts_muxer_select="adts_muxer latm_muxer"
647c2356
DB
2049mpegtsraw_demuxer_select="mpegts_demuxer"
2050mxf_d10_muxer_select="mxf_muxer"
3dd5c95d 2051nut_muxer_select="riffenc"
255d9c57 2052nuv_demuxer_select="riffdec"
051aadee 2053oga_muxer_select="ogg_muxer"
24ca518b 2054ogg_demuxer_select="golomb"
051aadee 2055opus_muxer_select="ogg_muxer"
647c2356 2056psp_muxer_select="mov_muxer"
44594cc7 2057rtp_demuxer_select="sdp_demuxer"
44b70ce5
MS
2058rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2059rtsp_demuxer_select="http_protocol rtpdec"
5ad2f0bf 2060rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
01c8d258 2061sap_demuxer_select="sdp_demuxer"
5ad2f0bf 2062sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
44b70ce5 2063sdp_demuxer_select="rtpdec"
e772f9fa 2064smoothstreaming_muxer_select="ismv_muxer"
f1e94694 2065spdif_muxer_select="aac_parser"
051aadee 2066spx_muxer_select="ogg_muxer"
57231e4d 2067tak_demuxer_select="tak_parser"
647c2356
DB
2068tg2_muxer_select="mov_muxer"
2069tgp_muxer_select="mov_muxer"
a7d45e06 2070w64_demuxer_select="wav_demuxer"
255d9c57 2071wav_demuxer_select="riffdec"
3dd5c95d
DB
2072wav_muxer_select="riffenc"
2073webm_muxer_select="riffenc"
255d9c57
DB
2074wtv_demuxer_select="riffdec"
2075xmv_demuxer_select="riffdec"
2076xwma_demuxer_select="riffdec"
4e622dea
SS
2077
2078# indevs / outdevs
38e54a75 2079alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
38e54a75 2080alsa_outdev_deps="alsa_asoundlib_h"
38e54a75 2081bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
6fb65973
DB
2082dv1394_indev_deps="dv1394"
2083dv1394_indev_select="dv_demuxer"
c6f95144 2084fbdev_indev_deps="linux_fb_h"
a3fc62e8 2085jack_indev_deps="jack_jack_h pthreads"
e417d80d 2086libcdio_indev_deps="libcdio"
38e54a75 2087libdc1394_indev_deps="libdc1394"
38e54a75
SS
2088oss_indev_deps_any="soundcard_h sys_soundcard_h"
2089oss_outdev_deps_any="soundcard_h sys_soundcard_h"
0de9c41f 2090pulse_indev_deps="libpulse"
15d59d2c
B
2091sndio_indev_deps="sndio_h"
2092sndio_outdev_deps="sndio_h"
38e54a75 2093v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
ec1ee802 2094vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
a1b3c5a3 2095vfwcap_indev_extralibs="-lavicap32"
24f8961f 2096x11grab_indev_deps="x11grab XShmCreateImage"
30fd06be 2097
912f3148 2098# protocols
acd554c1
SP
2099ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2100ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2101ffrtmpcrypt_protocol_select="tcp_protocol"
775c4d36
SP
2102ffrtmphttp_protocol_deps="!librtmp_protocol"
2103ffrtmphttp_protocol_select="http_protocol"
998c1ee1 2104gopher_protocol_select="network"
279a0c97 2105http_protocol_select="tcp_protocol"
7caf48e0 2106httpproxy_protocol_select="tcp_protocol"
183baead 2107https_protocol_select="tls_protocol"
eb9244f2 2108icecast_protocol_select="http_protocol"
c3b57d6e
DB
2109librtmp_protocol_deps="librtmp"
2110librtmpe_protocol_deps="librtmp"
2111librtmps_protocol_deps="librtmp"
2112librtmpt_protocol_deps="librtmp"
2113librtmpte_protocol_deps="librtmp"
c60a2d70 2114mmsh_protocol_select="http_protocol"
998c1ee1 2115mmst_protocol_select="network"
c3b57d6e 2116rtmp_protocol_deps="!librtmp_protocol"
deeb7012 2117rtmp_protocol_select="tcp_protocol"
acd554c1 2118rtmpe_protocol_select="ffrtmpcrypt_protocol"
6aedabc9
SP
2119rtmps_protocol_deps="!librtmp_protocol"
2120rtmps_protocol_select="tls_protocol"
775c4d36 2121rtmpt_protocol_select="ffrtmphttp_protocol"
08cd95e8 2122rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
6c1ed454 2123rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
deeb7012 2124rtp_protocol_select="udp_protocol"
998c1ee1
DB
2125sctp_protocol_deps="struct_sctp_event_subscribe"
2126sctp_protocol_select="network"
0eecafc9 2127srtp_protocol_select="rtp_protocol"
998c1ee1 2128tcp_protocol_select="network"
558d192d
MS
2129tls_protocol_deps_any="openssl gnutls"
2130tls_protocol_select="tcp_protocol"
998c1ee1 2131udp_protocol_select="network"
60538758
LB
2132unix_protocol_deps="sys_un_h"
2133unix_protocol_select="network"
c08fb000 2134
6ebf0bfc 2135# filters
13fabd7a 2136blackframe_filter_deps="gpl"
ce6b6ef6 2137boxblur_filter_deps="gpl"
1c0210c7 2138bs2b_filter_deps="libbs2b"
68b79bfc 2139cropdetect_filter_deps="gpl"
b157be1f 2140delogo_filter_deps="gpl"
a5b64584 2141drawtext_filter_deps="libfreetype"
61b323ce 2142frei0r_filter_deps="frei0r dlopen"
cfec77aa 2143frei0r_filter_extralibs='$ldl'
61b323ce 2144frei0r_src_filter_deps="frei0r dlopen"
cfec77aa 2145frei0r_src_filter_extralibs='$ldl'
a4dc7aa5 2146hqdn3d_filter_deps="gpl"
3fce1367 2147interlace_filter_deps="gpl"
cf69ad35 2148ocv_filter_deps="libopencv"
7caf48e0 2149resample_filter_deps="avresample"
2f296e39 2150scale_filter_deps="swscale"
6ebf0bfc 2151
ab81f24a 2152# examples
b339182e 2153avcodec_example_deps="avcodec avutil"
e7dfaf16 2154filter_audio_example_deps="avfilter avutil"
b339182e 2155metadata_example_deps="avformat avutil"
ab81f24a 2156output_example_deps="avcodec avformat avutil swscale"
10421bcf 2157transcode_aac_example_deps="avcodec avformat avresample"
ab81f24a 2158
44951174 2159# libraries, in linking order
d89f2fa9 2160avcodec_deps="avutil"
44951174 2161avdevice_deps="avformat avcodec avutil"
d89f2fa9 2162avfilter_deps="avutil"
44951174 2163avformat_deps="avcodec avutil"
d89f2fa9
DB
2164avresample_deps="avutil"
2165swscale_deps="avutil"
f7679c54 2166
912f3148 2167# programs
54fd593a 2168avconv_deps="avcodec avfilter avformat avresample swscale"
bce70f81 2169avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
0a0e340f 2170 fps_filter null_filter resample_filter scale_filter
bce70f81 2171 setpts_filter trim_filter"
d173ede1 2172avplay_deps="avcodec avformat avresample swscale sdl"
d2617193 2173avplay_libs='$sdl_libs'
266463da 2174avplay_select="rdft"
9e12f0bf 2175avprobe_deps="avcodec avformat"
a2830dca 2176
4da3f410 2177# documentation
92f0abb2 2178pod2man_deps="doc"
4da3f410
DB
2179texi2html_deps="doc"
2180
de6d9b64 2181# default parameters
8a608357 2182
19bd477d 2183logfile="config.log"
8a608357
MR
2184
2185# installation paths
c9d19248
MR
2186prefix_default="/usr/local"
2187bindir_default='${prefix}/bin'
6291d7e4 2188datadir_default='${prefix}/share/avconv'
f4ca970d 2189docdir_default='${prefix}/share/doc/libav'
c9d19248
MR
2190incdir_default='${prefix}/include'
2191libdir_default='${prefix}/lib'
2192mandir_default='${prefix}/share/man'
2193shlibdir_default="$libdir_default"
8a608357
MR
2194
2195# toolchain
121d78d0 2196ar_default="ar"
13c7df3d 2197cc_default="gcc"
9da6609f 2198host_cc_default="gcc"
4ebc6a74 2199cp_f="cp -f"
b58b00ae 2200ln_s="ln -s -f"
2a8a860a 2201nm_default="nm -g"
11e6d03a 2202objformat="elf"
3f8040db 2203pkg_config_default=pkg-config
be7109c1 2204ranlib="ranlib"
e52567c2 2205strip="strip"
11e6d03a 2206yasmexe="yasm"
8a608357
MR
2207
2208# machine
8d4c00ed 2209arch_default=$(uname -m)
38d0a8aa 2210cpu="generic"
d45ebd48 2211intrinsics="none"
8a608357 2212
8a608357 2213# OS
8d4c00ed
MR
2214target_os_default=$(tolower $(uname -s))
2215host_os=$target_os_default
8a608357 2216
8a608357 2217# configurable options
ab81f24a 2218enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
3e0b1c9a 2219
3e0b1c9a
DB
2220enable asm
2221enable debug
2222enable doc
8400d6b8 2223enable optimizations
8cfbbd92 2224enable safe_bitstream_reader
530dc538 2225enable static
a9ddb5b1 2226enable swscale_alpha
8a608357 2227
2e2ec667
DB
2228# By default, enable only those hwaccels that have no external dependencies.
2229enable dxva2 vdpau
2230
8a608357 2231# build settings
9987769a 2232SHFLAGS='-shared -Wl,-soname,$$(@F)'
f3ec2d46
SG
2233LIBPREF="lib"
2234LIBSUF=".a"
c5f14466
RP
2235FULLNAME='$(NAME)$(BUILDSUF)'
2236LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
2237SLIBPREF="lib"
2238SLIBSUF=".so"
c5f14466 2239SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
2240SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2241SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 2242LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2f138f0b
MR
2243SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2244SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
ef0bc4c9 2245
68485d1f
MR
2246asflags_filter=echo
2247cflags_filter=echo
64933b6c
MR
2248ldflags_filter=echo
2249
23565c26 2250AS_C='-c'
bc877faf 2251AS_O='-o $@'
23565c26 2252CC_C='-c'
18031c49 2253CC_E='-E -o $@'
7e6c86e6 2254CC_O='-o $@'
a758c5e2 2255LD_O='-o $@'
8db73c61
MR
2256LD_LIB='-l%'
2257LD_PATH='-L'
23565c26 2258HOSTCC_C='-c'
27565164 2259HOSTCC_E='-E -o $@'
a758c5e2 2260HOSTCC_O='-o $@'
095792f2 2261HOSTLD_O='-o $@'
7e6c86e6 2262
9da6609f 2263host_libs='-lm'
6c3fa06a
MR
2264host_cflags_filter=echo
2265host_ldflags_filter=echo
9da6609f 2266
9b861379 2267target_path='$(CURDIR)'
a7ada2ba 2268
a158446b
MR
2269# since the object filename is not given with the -MM flag, the compiler
2270# is only able to print the basename, and we must add the path ourselves
a758c5e2
MR
2271DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2272DEPFLAGS='-MM'
315c741d 2273
c597172e 2274# find source path
24524f36 2275if test -f configure; then
f038cf3c 2276 source_path=.
c597172e 2277else
8477f2de 2278 source_path=$(cd $(dirname "$0"); pwd)
c597172e 2279 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 2280 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
2281 test -e "$source_path/config.h" &&
2282 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
2283fi
2284
13cbe2c0 2285for v in "$@"; do
b04251c5
MR
2286 r=${v#*=}
2287 l=${v%"$r"}
2288 r=$(sh_quote "$r")
29ba0911 2289 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
13cbe2c0 2290done
c597172e 2291
73ef8980
MR
2292find_things(){
2293 thing=$1
2294 pattern=$2
2295 file=$source_path/$3
932ccf39 2296 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
2297}
2298
2299ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2300DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 2301HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
2302PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2303BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2304MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2305DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
2306OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2307INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 2308PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 2309FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 2310
54e75be4
DB
2311ALL_COMPONENTS="
2312 $BSF_LIST
2313 $DECODER_LIST
2314 $DEMUXER_LIST
2315 $ENCODER_LIST
2316 $FILTER_LIST
2317 $HWACCEL_LIST
2318 $INDEV_LIST
2319 $MUXER_LIST
2320 $OUTDEV_LIST
2321 $PARSER_LIST
2322 $PROTOCOL_LIST
2323"
2324
8469ae22
MR
2325for n in $COMPONENT_LIST; do
2326 v=$(toupper ${n%s})_LIST
2327 eval enable \$$v
2328 eval ${n}_if_any="\$$v"
2329done
2330
206a070d 2331enable $ARCH_EXT_LIST
c597172e
MR
2332
2333die_unknown(){
2334 echo "Unknown option \"$1\"."
2335 echo "See $0 --help for available options."
2336 exit 1
2337}
2338
7432e872
DB
2339print_3_columns() {
2340 cat | tr ' ' '\n' | sort | pr -r -3 -t
2341}
2342
794f8e97 2343show_list() {
bf0c4afa
RP
2344 suffix=_$1
2345 shift
7432e872 2346 echo $* | sed s/$suffix//g | print_3_columns
794f8e97
PI
2347 exit 0
2348}
2349
154caa67
MR
2350rand_list(){
2351 IFS=', '
2352 set -- $*
2353 unset IFS
2354 for thing; do
2355 comp=${thing%:*}
2356 prob=${thing#$comp}
2357 prob=${prob#:}
2358 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2359 echo "prob ${prob:-0.5}"
2360 printf '%s\n' $comp
2361 done
2362}
2363
2364do_random(){
2365 action=$1
2366 shift
2367 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2368 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2369}
2370
c597172e 2371for opt do
7483e694
DB
2372 optval="${opt#*=}"
2373 case "$opt" in
ea061af1
DB
2374 --extra-ldflags=*)
2375 add_ldflags $optval
7e9e7cc2 2376 ;;
bb0babd7
LB
2377 --extra-ldexeflags=*)
2378 add_ldexeflags $optval
2379 ;;
ea061af1
DB
2380 --extra-libs=*)
2381 add_extralibs $optval
7e9e7cc2 2382 ;;
ea061af1
DB
2383 --disable-devices)
2384 disable $INDEV_LIST $OUTDEV_LIST
7e9e7cc2 2385 ;;
ea061af1
DB
2386 --enable-debug=*)
2387 debuglevel="$optval"
7e9e7cc2
MR
2388 ;;
2389 --disable-programs)
2390 disable $PROGRAM_LIST
2391 ;;
2392 --disable-everything)
2393 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2394 ;;
844c6852
DB
2395 --disable-all)
2396 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2397 disable $LIBRARY_LIST $PROGRAM_LIST doc
2398 ;;
7e9e7cc2
MR
2399 --enable-random|--disable-random)
2400 action=${opt%%-random}
2401 do_random ${action#--} $COMPONENT_LIST
2402 ;;
2403 --enable-random=*|--disable-random=*)
2404 action=${opt%%-random=*}
2405 do_random ${action#--} $optval
2406 ;;
2407 --enable-*=*|--disable-*=*)
2408 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2409 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2410 eval list=\$$(toupper $thing)_LIST
2411 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2412 $action $(filter "$name" $list)
2413 ;;
894682a9
AK
2414 --enable-avserver|--disable-avserver*)
2415 warn "avserver has been removed, the ${opt} option is only"\
2416 "provided for compatibility and will be removed in the future"
2417 ;;
7e9e7cc2
MR
2418 --enable-?*|--disable-?*)
2419 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2420 if is_in $option $COMPONENT_LIST; then
2421 test $action = disable && action=unset
2422 eval $action \$$(toupper ${option%s})_LIST
2423 elif is_in $option $CMDLINE_SELECT; then
2424 $action $option
2425 else
2426 die_unknown $opt
2427 fi
2428 ;;
2429 --list-*)
2430 NAME="${opt#--list-}"
2431 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2432 NAME=${NAME%s}
2433 eval show_list $NAME \$$(toupper $NAME)_LIST
2434 ;;
2435 --help|-h) show_help
2436 ;;
2437 *)
2438 optname="${opt%%=*}"
2439 optname="${optname#--}"
2440 optname=$(echo "$optname" | sed 's/-/_/g')
2441 if is_in $optname $CMDLINE_SET; then
2442 eval $optname='$optval'
2443 elif is_in $optname $CMDLINE_APPEND; then
2444 append $optname "$optval"
2445 else
2446 die_unknown $opt
2447 fi
2448 ;;
7483e694 2449 esac
c597172e
MR
2450done
2451
bcea99bb
MR
2452disabled logging && logfile=/dev/null
2453
29ba0911 2454echo "# $0 $LIBAV_CONFIGURATION" > $logfile
bcea99bb
MR
2455set >> $logfile
2456
9da6609f
MR
2457test -n "$cross_prefix" && enable cross_compile
2458
8d4c00ed
MR
2459if enabled cross_compile; then
2460 test -n "$arch" && test -n "$target_os" ||
2461 die "Must specify target arch and OS when cross-compiling"
2462fi
2463
121d78d0 2464ar_default="${cross_prefix}${ar_default}"
11e6d03a 2465cc_default="${cross_prefix}${cc_default}"
20e0ed95 2466nm_default="${cross_prefix}${nm_default}"
3f8040db 2467pkg_config_default="${cross_prefix}${pkg_config_default}"
adb2b908 2468ranlib="${cross_prefix}${ranlib}"
e52567c2 2469strip="${cross_prefix}${strip}"
adb2b908 2470
c5200f17
MR
2471sysinclude_default="${sysroot}/usr/include"
2472
aeeb782c 2473case "$toolchain" in
0fbb62a8
LB
2474 clang-asan)
2475 cc_default="clang"
19f251a2
LB
2476 add_cflags -fsanitize=address
2477 add_ldflags -fsanitize=address
0fbb62a8
LB
2478 ;;
2479 clang-tsan)
2480 cc_default="clang"
19f251a2
LB
2481 add_cflags -fsanitize=thread -pie
2482 add_ldflags -fsanitize=thread -pie
0fbb62a8 2483 ;;
d6a27f88
LB
2484 clang-usan)
2485 cc_default="clang"
4d25c2bc 2486 add_cflags -fsanitize=undefined -O1
d6a27f88
LB
2487 add_ldflags -fsanitize=undefined
2488 ;;
0ba49d28
LB
2489 gcc-asan)
2490 cc_default="gcc"
2491 add_cflags -fsanitize=address
2492 add_ldflags -fsanitize=address
2493 ;;
2494 gcc-tsan)
2495 cc_default="gcc"
2496 add_cflags -fsanitize=thread -pie -fPIC
2497 add_ldflags -fsanitize=thread -pie -fPIC
2498 ;;
d6a27f88
LB
2499 gcc-usan)
2500 cc_default="gcc"
2501 add_cflags -fsanitize=undefined
2502 add_ldflags -fsanitize=undefined
2503 ;;
edfe609f
LB
2504 valgrind-massif)
2505 target_exec_default="valgrind"
2506 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2507 ;;
b1ee8eec
RT
2508 valgrind-memcheck)
2509 target_exec_default="valgrind"
2510 target_exec_args="--track-origins=yes --leak-check=full"
2511 ;;
aeeb782c 2512 msvc)
16381923
MS
2513 # Check whether the current MSVC version needs the C99 converter.
2514 # From MSVC 2013 (compiler major version 18) onwards, it does actually
ea9f7173 2515 # support enough of C99 to build libav. Default to the new
16381923
MS
2516 # behaviour if the regexp was unable to match anything, since this
2517 # successfully parses the version number of existing supported
2518 # versions that require the converter (MSVC 2010 and 2012).
2519 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2520 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
ea9f7173 2521 cc_default="cl"
16381923
MS
2522 else
2523 cc_default="c99wrap cl"
2524 fi
ea9f7173 2525 ld_default="link"
aeeb782c 2526 nm_default="dumpbin -symbols"
ac3a9b51 2527 ar_default="lib"
53e8cd68 2528 target_os_default="win32"
ea9f7173
MS
2529 # Use a relative path for TMPDIR. This makes sure all the
2530 # ffconf temp files are written with a relative path, avoiding
2531 # issues with msys/win32 path conversion for MSVC parameters
2532 # such as -Fo<file> or -out:<file>.
2533 TMPDIR=.
aeeb782c 2534 ;;
322e4194 2535 icl)
ea9f7173
MS
2536 cc_default="icl"
2537 ld_default="xilink"
322e4194
AS
2538 nm_default="dumpbin -symbols"
2539 ar_default="xilib"
2540 target_os_default="win32"
ea9f7173 2541 TMPDIR=.
322e4194 2542 ;;
a862c7d3
RT
2543 gcov)
2544 add_cflags -fprofile-arcs -ftest-coverage
2545 add_ldflags -fprofile-arcs -ftest-coverage
2546 ;;
e7891305 2547 hardened)
7caf48e0 2548 add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all
e7891305
LB
2549 add_ldflags -Wl,-z,relro -Wl,-z,now
2550 ;;
aeeb782c
MR
2551 ?*)
2552 die "Unknown toolchain $toolchain"
2553 ;;
2554esac
2555
b1ee8eec 2556set_default arch cc pkg_config sysinclude target_exec target_os
9da6609f
MR
2557enabled cross_compile || host_cc_default=$cc
2558set_default host_cc
13c7df3d 2559
762f95e4
MR
2560if ! $pkg_config --version >/dev/null 2>&1; then
2561 warn "$pkg_config not found, library detection may fail."
2562 pkg_config=false
2563fi
2564
82bb3329
MR
2565exesuf() {
2566 case $1 in
53e8cd68 2567 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
82bb3329
MR
2568 esac
2569}
2570
2571EXESUF=$(exesuf $target_os)
2572HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 2573
e4e69e0b 2574# set temporary file name
a49d42c2 2575: ${TMPDIR:=$TEMPDIR}
c51fafa1 2576: ${TMPDIR:=$TMP}
a49d42c2 2577: ${TMPDIR:=/tmp}
e4e69e0b 2578
a210bce2 2579if ! check_cmd mktemp -u XXXXXX; then
54460a83
MR
2580 # simple replacement for missing mktemp
2581 # NOT SAFE FOR GENERAL USE
2582 mktemp(){
09a5c245 2583 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
54460a83
MR
2584 }
2585fi
2586
2587tmpfile(){
2588 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2589 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 2590 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
2591 append TMPFILES $tmp
2592 eval $1=$tmp
2593}
2594
2595trap 'rm -f -- $TMPFILES' EXIT
54460a83 2596
55127e7b 2597tmpfile TMPASM .asm
3e0b1c9a
DB
2598tmpfile TMPC .c
2599tmpfile TMPE $EXESUF
2600tmpfile TMPH .h
2601tmpfile TMPO .o
2602tmpfile TMPS .S
2603tmpfile TMPSH .sh
2604tmpfile TMPV .ver
54460a83
MR
2605
2606unset -f mktemp
e4e69e0b 2607
fb3c4ffc
MR
2608chmod +x $TMPE
2609
993f2d0f
MR
2610# make sure we can execute files in $TMPDIR
2611cat > $TMPSH 2>> $logfile <<EOF
2612#! /bin/sh
2613EOF
2614chmod +x $TMPSH >> $logfile 2>&1
2615if ! $TMPSH >> $logfile 2>&1; then
2616 cat <<EOF
2617Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2618variable to another directory and make sure that it is not mounted noexec.
2619EOF
2620 die "Sanity test failed."
2621fi
993f2d0f 2622
08b94f16
MS
2623armasm_flags(){
2624 for flag; do
2625 case $flag in
2626 # Filter out MSVC cl.exe options from cflags that shouldn't
2627 # be passed to gas-preprocessor
2628 -M[TD]*) ;;
2629 *) echo $flag ;;
2630 esac
2631 done
2632}
2633
457cc333
MR
2634ccc_flags(){
2635 for flag; do
2636 case $flag in
2637 -std=c99) echo -c99 ;;
2638 -mcpu=*) echo -arch ${flag#*=} ;;
2639 -mieee) echo -ieee ;;
2640 -O*|-fast) echo $flag ;;
2641 -fno-math-errno) echo -assume nomath_errno ;;
2642 -g) echo -g3 ;;
2643 -Wall) echo -msg_enable level2 ;;
2644 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2645 -Wl,*) echo $flag ;;
2646 -f*|-W*) ;;
2647 *) echo $flag ;;
2648 esac
2649 done
2650}
2651
e5d45e02
LB
2652cparser_flags(){
2653 for flag; do
2654 case $flag in
2655 -Wno-switch) echo -Wno-switch-enum ;;
2656 -Wno-format-zero-length) ;;
2657 -Wdisabled-optimization) ;;
2658 -Wno-pointer-sign) echo -Wno-other ;;
2659 *) echo $flag ;;
2660 esac
2661 done
2662}
2663
14fb9d3d 2664msvc_common_flags(){
dfa559bc
RB
2665 for flag; do
2666 case $flag in
14fb9d3d
AS
2667 # In addition to specifying certain flags under the compiler
2668 # specific filters, they must be specified here as well or else the
2669 # generic catch all at the bottom will print the original flag.
2670 -Wall) ;;
2671 -std=c99) ;;
2672 # Common flags
9f4a16c5 2673 -fomit-frame-pointer) ;;
dfa559bc 2674 -g) echo -Z7 ;;
dfa559bc
RB
2675 -fno-math-errno) ;;
2676 -fno-common) ;;
2677 -fno-signed-zeros) ;;
50640977 2678 -fPIC) ;;
9f30fb5a
MS
2679 -mthumb) ;;
2680 -march=*) ;;
dfa559bc 2681 -lz) echo zlib.lib ;;
bd680c7b
DB
2682 -lavifil32) echo vfw32.lib ;;
2683 -lavicap32) echo vfw32.lib user32.lib ;;
dfa559bc
RB
2684 -l*) echo ${flag#-l}.lib ;;
2685 *) echo $flag ;;
2686 esac
2687 done
2688}
2689
14fb9d3d
AS
2690msvc_flags(){
2691 msvc_common_flags "$@"
2692 for flag; do
2693 case $flag in
ace87c19 2694 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
14fb9d3d
AS
2695 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2696 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
b0bfd09f 2697 -wd4273 -wd4701 ;;
14fb9d3d
AS
2698 esac
2699 done
2700}
2701
2702icl_flags(){
2703 msvc_common_flags "$@"
2704 for flag; do
2705 case $flag in
2706 # Despite what Intel's documentation says -Wall, which is supported
2707 # on Windows, does enable remarks so disable them here.
2708 -Wall) echo $flag -Qdiag-disable:remark ;;
2709 -std=c99) echo -Qstd=c99 ;;
2710 esac
2711 done
2712}
2713
d0c6d424
MR
2714pgi_flags(){
2715 for flag; do
2716 case $flag in
643933f5 2717 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
d0c6d424
MR
2718 -fomit-frame-pointer) echo -Mnoframe ;;
2719 -g) echo -gopt ;;
2720 *) echo $flag ;;
2721 esac
2722 done
2723}
2724
2725suncc_flags(){
2726 for flag; do
2727 case $flag in
2728 -march=*|-mcpu=*)
2729 case "${flag#*=}" in
2730 native) echo -xtarget=native ;;
2731 v9|niagara) echo -xarch=sparc ;;
2732 ultrasparc) echo -xarch=sparcvis ;;
2733 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2734 i586|pentium) echo -xchip=pentium ;;
2735 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2736 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2737 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2738 pentium4*) echo -xtarget=pentium4 ;;
2739 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2740 *-sse3) echo -xarch=sse3 ;;
2741 core2) echo -xarch=ssse3 -xchip=core2 ;;
f2ce813e
SM
2742 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2743 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
b36f87ff 2744 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
ace87c19 2745 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
d0c6d424 2746 k8|opteron|athlon64|athlon-fx)
ace87c19
DB
2747 echo -xarch=sse2a ;;
2748 athlon*) echo -xarch=pentium_proa ;;
d0c6d424
MR
2749 esac
2750 ;;
2751 -std=c99) echo -xc99 ;;
2752 -fomit-frame-pointer) echo -xregs=frameptr ;;
2753 -fPIC) echo -KPIC -xcode=pic32 ;;
2754 -W*,*) echo $flag ;;
5e753ed5
SM
2755 -f*-*|-W*|-mimpure-text) ;;
2756 -shared) echo -G ;;
d0c6d424
MR
2757 *) echo $flag ;;
2758 esac
2759 done
2760}
2761
2762tms470_flags(){
2763 for flag; do
2764 case $flag in
2765 -march=*|-mcpu=*)
2766 case "${flag#*=}" in
2767 armv7-a|cortex-a*) echo -mv=7a8 ;;
2768 armv7-r|cortex-r*) echo -mv=7r4 ;;
2769 armv7-m|cortex-m*) echo -mv=7m3 ;;
2770 armv6*|arm11*) echo -mv=6 ;;
2771 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2772 echo -mv=5e ;;
2773 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2774 esac
2775 ;;
2776 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2777 -mfpu=vfp) echo --float_support=vfpv2 ;;
2778 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
b5198a26 2779 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
d0c6d424
MR
2780 -msoft-float) echo --float_support=vfplib ;;
2781 -O[0-3]|-mf=*) echo $flag ;;
2782 -g) echo -g -mn ;;
2783 -pds=*) echo $flag ;;
ad93dccb
MR
2784 -D*|-I*) echo $flag ;;
2785 --gcc|--abi=*) echo $flag ;;
2786 -me) echo $flag ;;
d0c6d424
MR
2787 esac
2788 done
2789}
2790
a758c5e2
MR
2791probe_cc(){
2792 pfx=$1
2793 _cc=$2
2794
8db73c61
MR
2795 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2796 unset _ld_o _ldflags _ld_lib _ld_path
18031c49 2797 unset _depflags _DEPCMD _DEPFLAGS
a758c5e2
MR
2798 _flags_filter=echo
2799
2800 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2801 _type=llvm_gcc
2802 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2803 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2804 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2805 _cflags_speed='-O3'
2806 _cflags_size='-Os'
2807 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2808 _type=gcc
2809 gcc_version=$($_cc --version | head -n1)
2810 gcc_basever=$($_cc -dumpversion)
2811 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2812 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2813 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2814 if ! $_cc -dumpversion | grep -q '^2\.'; then
2815 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2816 fi
2817 _cflags_speed='-O3'
2818 _cflags_size='-Os'
b2d688ea 2819 elif $_cc --version 2>/dev/null | grep -q ^icc; then
a758c5e2
MR
2820 _type=icc
2821 _ident=$($_cc --version | head -n1)
2822 _depflags='-MMD'
2823 _cflags_speed='-O3'
2824 _cflags_size='-Os'
2825 _cflags_noopt='-O1'
2826 elif $_cc -v 2>&1 | grep -q xlc; then
2827 _type=xlc
2828 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2829 _cflags_speed='-O5'
2830 _cflags_size='-O5 -qcompact'
2831 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2832 _type=ccc
2833 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2834 _DEPFLAGS='-M'
a758c5e2
MR
2835 _cflags_speed='-fast'
2836 _cflags_size='-O1'
457cc333 2837 _flags_filter=ccc_flags
4936ef64 2838 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
a758c5e2
MR
2839 test -d "$sysroot" || die "No valid sysroot specified."
2840 _type=armcc
ed6d9ce9 2841 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
a758c5e2
MR
2842 armcc_conf="$PWD/armcc.conf"
2843 $_cc --arm_linux_configure \
2844 --arm_linux_config_file="$armcc_conf" \
2845 --configure_sysroot="$sysroot" \
2846 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2847 die "Error creating armcc configuration file."
2848 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2849 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2850 as_default="${cross_prefix}gcc"
2851 _depflags='-MMD'
2852 _cflags_speed='-O3'
2853 _cflags_size='-Os'
0122118e 2854 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
a758c5e2
MR
2855 _type=tms470
2856 _ident=$($_cc -version | head -n1 | tr -s ' ')
2857 _flags='--gcc --abi=eabi -me'
18031c49 2858 _cc_e='-ppl -fe=$@'
a758c5e2 2859 _cc_o='-fe=$@'
a758c5e2
MR
2860 _depflags='-ppa -ppd=$(@:.o=.d)'
2861 _cflags_speed='-O3 -mf=5'
2862 _cflags_size='-O3 -mf=2'
2863 _flags_filter=tms470_flags
2864 elif $_cc -v 2>&1 | grep -q clang; then
2865 _type=clang
2866 _ident=$($_cc --version | head -n1)
9e057f53 2867 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
a758c5e2
MR
2868 _cflags_speed='-O3'
2869 _cflags_size='-Os'
2870 elif $_cc -V 2>&1 | grep -q Sun; then
2871 _type=suncc
2872 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2873 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
c72f12cb 2874 _DEPFLAGS='-xM1 -xc99'
a758c5e2
MR
2875 _ldflags='-std=c99'
2876 _cflags_speed='-O5'
2877 _cflags_size='-O5 -xspace'
2878 _flags_filter=suncc_flags
2879 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2880 _type=pathscale
2881 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2882 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2883 _cflags_speed='-O2'
2884 _cflags_size='-Os'
2885 _flags_filter='filter_out -Wdisabled-optimization'
2886 elif $_cc -v 2>&1 | grep -q Open64; then
2887 _type=open64
2888 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2889 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2890 _cflags_speed='-O2'
2891 _cflags_size='-Os'
2892 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2893 elif $_cc -V 2>&1 | grep -q Portland; then
2894 _type=pgi
2895 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
8f23907f 2896 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
a758c5e2
MR
2897 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2898 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2899 _cflags_noopt="-O1"
2900 _flags_filter=pgi_flags
f4312352
MS
2901 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
2902 _type=armasm
2903 _ident=$($_cc | head -n1)
2904 # 4509: "This form of conditional instruction is deprecated"
2905 _flags="-nologo -ignore 4509"
08b94f16 2906 _flags_filter=armasm_flags
dfa559bc
RB
2907 elif $_cc 2>&1 | grep -q Microsoft; then
2908 _type=msvc
2909 _ident=$($cc 2>&1 | head -n1)
2910 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2911 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2912 _cflags_speed="-O2"
2913 _cflags_size="-O1"
dfa559bc 2914 if $_cc 2>&1 | grep -q Linker; then
ea9f7173 2915 _ld_o='-out:$@'
dfa559bc
RB
2916 else
2917 _ld_o='-Fe$@'
2918 fi
ea9f7173
MS
2919 _cc_o='-Fo$@'
2920 _cc_e='-P -Fi$@'
dfa559bc
RB
2921 _flags_filter=msvc_flags
2922 _ld_lib='lib%.a'
2923 _ld_path='-libpath:'
2924 _flags='-nologo'
09f2581d 2925 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
dfa559bc 2926 if [ $pfx = hostcc ]; then
6a0200f2 2927 append _cflags -Dsnprintf=_snprintf
dfa559bc 2928 fi
322e4194
AS
2929 elif $_cc 2>&1 | grep -q Intel; then
2930 _type=icl
2931 _ident=$($cc 2>&1 | head -n1)
2932 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
ace87c19
DB
2933 # Not only is O3 broken on 13.x+ but it is slower on all previous
2934 # versions (tested) as well.
322e4194
AS
2935 _cflags_speed="-O2"
2936 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
322e4194 2937 if $_cc 2>&1 | grep -q Linker; then
ea9f7173 2938 _ld_o='-out:$@'
322e4194
AS
2939 else
2940 _ld_o='-Fe$@'
2941 fi
ea9f7173 2942 _cc_o='-Fo$@'
322e4194 2943 _cc_e='-P'
14fb9d3d 2944 _flags_filter=icl_flags
322e4194
AS
2945 _ld_lib='lib%.a'
2946 _ld_path='-libpath:'
ace87c19 2947 # -Qdiag-error to make icl error when seeing certain unknown arguments
60f09c04 2948 _flags='-nologo -Qdiag-error:4044,10157'
ace87c19
DB
2949 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
2950 # with MSVC which enables it by default.
e0d6e2fc 2951 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
322e4194
AS
2952 if [ $pfx = hostcc ]; then
2953 append _cflags -Dsnprintf=_snprintf
2954 fi
e5d45e02
LB
2955 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
2956 _type=cparser
2957 _ident=$($_cc --version | head -n1)
2958 _depflags='-MMD'
2959 _cflags_speed='-O4'
2960 _cflags_size='-O2'
2961 _flags_filter=cparser_flags
aef6bd1b 2962 fi
a758c5e2
MR
2963
2964 eval ${pfx}_type=\$_type
2965 eval ${pfx}_ident=\$_ident
2966}
2967
2968set_ccvars(){
23565c26 2969 eval ${1}_C=\${_cc_c-\${${1}_C}}
18031c49 2970 eval ${1}_E=\${_cc_e-\${${1}_E}}
a758c5e2
MR
2971 eval ${1}_O=\${_cc_o-\${${1}_O}}
2972
2973 if [ -n "$_depflags" ]; then
2974 eval ${1}_DEPFLAGS=\$_depflags
2975 else
2976 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2977 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2978 eval DEP${1}FLAGS=\$_flags
2979 fi
2980}
2981
2982probe_cc cc "$cc"
2983cflags_filter=$_flags_filter
2984cflags_speed=$_cflags_speed
2985cflags_size=$_cflags_size
2986cflags_noopt=$_cflags_noopt
2987add_cflags $_flags $_cflags
2988cc_ldflags=$_ldflags
2989set_ccvars CC
2990
2991probe_cc hostcc "$host_cc"
2992host_cflags_filter=$_flags_filter
a758c5e2 2993add_host_cflags $_flags $_cflags
a758c5e2 2994set_ccvars HOSTCC
629687f6 2995
851ffa80
MR
2996test -n "$cc_type" && enable $cc_type ||
2997 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 2998
75bafbac 2999: ${as_default:=$cc}
50567afa 3000: ${dep_cc_default:=$cc}
684b28e0 3001: ${ld_default:=$cc}
095792f2
MR
3002: ${host_ld_default:=$host_cc}
3003set_default ar as dep_cc ld host_ld
75800dce 3004
a758c5e2
MR
3005probe_cc as "$as"
3006asflags_filter=$_flags_filter
3007add_asflags $_flags $_cflags
3008set_ccvars AS
3009
3010probe_cc ld "$ld"
3011ldflags_filter=$_flags_filter
3012add_ldflags $_flags $_ldflags
3013test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2763587c 3014LD_O=${_ld_o-$LD_O}
8db73c61
MR
3015LD_LIB=${_ld_lib-$LD_LIB}
3016LD_PATH=${_ld_path-$LD_PATH}
a758c5e2 3017
095792f2
MR
3018probe_cc hostld "$host_ld"
3019host_ldflags_filter=$_flags_filter
3020add_host_ldflags $_flags $_ldflags
3021HOSTLD_O=${_ld_o-$HOSTLD_O}
3022
a758c5e2
MR
3023if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3024 probe_cc depcc "$dep_cc"
3025 CCDEP=${_DEPCMD:-$DEPCMD}
3026 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3027 DEPCCFLAGS=$_flags
3028fi
07dec06e 3029
3dbc777c
MR
3030if $ar 2>&1 | grep -q Microsoft; then
3031 arflags="-nologo"
3032 ar_o='-out:$@'
3033elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3034 arflags="rq"
3035 ar_o='$@'
4822ee3c
DB
3036elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3037 arflags='-Xany -r -c'
3038 ar_o='$@'
3dbc777c
MR
3039else
3040 arflags="rc"
3041 ar_o='$@'
3042fi
3043
7f32f40c 3044add_cflags $extra_cflags
2f2e6c7c 3045add_asflags $extra_cflags
7f32f40c 3046
154d432c
MR
3047if test -n "$sysroot"; then
3048 case "$cc_type" in
00ba041c 3049 gcc|llvm_gcc|clang)
467256f2 3050 add_cppflags --sysroot="$sysroot"
154d432c
MR
3051 add_ldflags --sysroot="$sysroot"
3052 ;;
6fec122a
MR
3053 tms470)
3054 add_cppflags -I"$sysinclude"
3055 add_ldflags --sysroot="$sysroot"
3056 ;;
154d432c
MR
3057 esac
3058fi
3059
d22c13a8 3060if test "$cpu" = host; then
ace87c19
DB
3061 enabled cross_compile &&
3062 die "--cpu=host makes no sense when cross-compiling."
d22c13a8
MR
3063
3064 case "$cc_type" in
613a4e3f 3065 gcc|llvm_gcc)
d22c13a8
MR
3066 check_native(){
3067 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
b695256e 3068 sed -n "/cc1.*$1=/{
27ce1be8
MR
3069 s/.*$1=\\([^ ]*\\).*/\\1/
3070 p
3071 q
3072 }" $TMPE
d22c13a8
MR
3073 }
3074 cpu=$(check_native -march || check_native -mcpu)
3075 ;;
3076 esac
3077
ace87c19
DB
3078 test "${cpu:-host}" = host &&
3079 die "--cpu=host not supported with compiler $cc"
d22c13a8
MR
3080fi
3081
e939cedd
MR
3082# Deal with common $arch aliases
3083case "$arch" in
5873b623
MR
3084 aarch64|arm64)
3085 arch="aarch64"
3086 ;;
e939cedd
MR
3087 arm*)
3088 arch="arm"
3089 ;;
2acda282 3090 mips*|IP*)
e939cedd
MR
3091 arch="mips"
3092 ;;
a6e9d649 3093 parisc*|hppa*)
e939cedd
MR
3094 arch="parisc"
3095 ;;
56203596 3096 "Power Macintosh"|ppc*|powerpc*)
e939cedd
MR
3097 arch="ppc"
3098 ;;
e939cedd
MR
3099 s390|s390x)
3100 arch="s390"
3101 ;;
3102 sh4|sh)
3103 arch="sh4"
3104 ;;
4cd217c0 3105 sun4u|sparc*)
e939cedd 3106 arch="sparc"
e939cedd 3107 ;;
c75848cd
DB
3108 tilegx|tile-gx)
3109 arch="tilegx"
3110 ;;
d33ed7b3 3111 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
e939cedd
MR
3112 arch="x86"
3113 ;;
3114esac
3115
851ffa80 3116is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 3117enable $arch
e939cedd 3118
df5cdc24 3119# Add processor-specific flags
9ebd45c2 3120if enabled aarch64; then
33db40f8
MR
3121
3122 case $cpu in
3123 armv*)
3124 cpuflags="-march=$cpu"
3125 ;;
3126 *)
3127 cpuflags="-mcpu=$cpu"
3128 ;;
3129 esac
3130
3131elif enabled alpha; then
3132
3133 cpuflags="-mcpu=$cpu"
3134
3135elif enabled arm; then
3136
1234c66a
MR
3137 check_arm_arch() {
3138 check_cpp_condition stddef.h \
3139 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3140 $cpuflags
3141 }
3142
3143 probe_arm_arch() {
3144 if check_arm_arch 4; then echo armv4;
3145 elif check_arm_arch 4T; then echo armv4t;
3146 elif check_arm_arch 5; then echo armv5;
3147 elif check_arm_arch 5E; then echo armv5e;
3148 elif check_arm_arch 5T; then echo armv5t;
3149 elif check_arm_arch 5TE; then echo armv5te;
3150 elif check_arm_arch 5TEJ; then echo armv5te;
3151 elif check_arm_arch 6; then echo armv6;
3152 elif check_arm_arch 6J; then echo armv6j;
3153 elif check_arm_arch 6K; then echo armv6k;
3154 elif check_arm_arch 6Z; then echo armv6z;
3155 elif check_arm_arch 6ZK; then echo armv6zk;
3156 elif check_arm_arch 6T2; then echo armv6t2;
3157 elif check_arm_arch 7; then echo armv7;
3158 elif check_arm_arch 7A 7_A; then echo armv7-a;
3159 elif check_arm_arch 7R 7_R; then echo armv7-r;
3160 elif check_arm_arch 7M 7_M; then echo armv7-m;
3161 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3162 elif check_arm_arch 8A 8_A; then echo armv8-a;
3163 fi
3164 }
3165
3166 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3167
33db40f8
MR
3168 case $cpu in
3169 armv*)
3170 cpuflags="-march=$cpu"
3171 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3172 ;;
3173 *)
3174 cpuflags="-mcpu=$cpu"
3175 case $cpu in
3176 cortex-a*) subarch=armv7a ;;
3177 cortex-r*) subarch=armv7r ;;
3178 cortex-m*) enable thumb; subarch=armv7m ;;
3179 arm11*) subarch=armv6 ;;
3180 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3181 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
1234c66a 3182 *) subarch=$(probe_arm_arch) ;;
33db40f8
MR
3183 esac
3184 ;;
3185 esac
3186
f0fe245b
MR
3187 case "$subarch" in
3188 armv5t*) enable fast_clz ;;
3189 armv[6-8]*) enable fast_clz fast_unaligned ;;
3190 esac
3191
33db40f8
MR
3192elif enabled avr32; then
3193
3194 case $cpu in
3195 ap7[02]0[0-2])
3196 subarch="avr32_ap"
3197 cpuflags="-mpart=$cpu"
3198 ;;
3199 ap)
3200 subarch="avr32_ap"
3201 cpuflags="-march=$cpu"
3202 ;;
3203 uc3[ab]*)
3204 subarch="avr32_uc"
3205 cpuflags="-mcpu=$cpu"
3206 ;;
3207 uc)
3208 subarch="avr32_uc"
3209 cpuflags="-march=$cpu"
3210 ;;
3211 esac
3212
3213elif enabled bfin; then
3214
3215 cpuflags="-mcpu=$cpu"
3216
3217elif enabled mips; then
3218
3219 cpuflags="-march=$cpu"
3220
5d54c126 3221elif enabled ppc; then
343aef9b 3222
606cc8af
DB
3223 disable ldbrx
3224
56348891
MR
3225 case $(tolower $cpu) in
3226 601|ppc601|powerpc601)
9dbd5c3d 3227 cpuflags="-mcpu=601"
64ad53ff 3228 disable altivec
9dbd5c3d 3229 ;;
56348891 3230 603*|ppc603*|powerpc603*)
9dbd5c3d 3231 cpuflags="-mcpu=603"
64ad53ff 3232 disable altivec
9dbd5c3d 3233 ;;
56348891 3234 604*|ppc604*|powerpc604*)
9dbd5c3d 3235 cpuflags="-mcpu=604"
64ad53ff 3236 disable altivec
9dbd5c3d 3237 ;;
56348891 3238 g3|75*|ppc75*|powerpc75*)
7f1fcaf0 3239 cpuflags="-mcpu=750"
64ad53ff 3240 disable altivec
9dbd5c3d 3241 ;;
56348891 3242 g4|745*|ppc745*|powerpc745*)
7f1fcaf0 3243 cpuflags="-mcpu=7450"
9dbd5c3d 3244 ;;
56348891 3245 74*|ppc74*|powerpc74*)
7f1fcaf0 3246 cpuflags="-mcpu=7400"
9dbd5c3d 3247 ;;
313f9fbf 3248 g5|970|ppc970|powerpc970)
7f1fcaf0 3249 cpuflags="-mcpu=970"
9dbd5c3d 3250 ;;
313f9fbf 3251 power[3-7]*)
7f1fcaf0 3252 cpuflags="-mcpu=$cpu"
313f9fbf 3253 ;;
56348891 3254 cell)
9dbd5c3d
MR
3255 cpuflags="-mcpu=cell"
3256 enable ldbrx
3257 ;;
4ab26cb4
DB
3258 e500mc)
3259 cpuflags="-mcpu=e500mc"
3260 disable altivec
3261 ;;
7b0b81a1
AL
3262 e500v2)
3263 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3264 disable altivec
54f78816 3265 disable dcbzl
7b0b81a1
AL
3266 ;;
3267 e500)
3268 cpuflags="-mcpu=8540 -mhard-float"
3269 disable altivec
54f78816 3270 disable dcbzl
7b0b81a1 3271 ;;
9dbd5c3d 3272 esac
343aef9b 3273
33db40f8
MR
3274elif enabled sparc; then
3275
3276 case $cpu in
3277 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3278 cpuflags="-mcpu=$cpu"
33db40f8
MR
3279 ;;
3280 ultrasparc*|niagara[234])
3281 cpuflags="-mcpu=$cpu"
3282 ;;
3283 esac
3284
343aef9b
MR
3285elif enabled x86; then
3286
9dbd5c3d
MR
3287 case $cpu in
3288 i[345]86|pentium)
3289 cpuflags="-march=$cpu"
3290 disable mmx
3291 ;;
f54b5505 3292 # targets that do NOT support nopl and conditional mov (cmov)
9dbd5c3d
MR
3293 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3294 cpuflags="-march=$cpu"
f54b5505 3295 disable i686
9dbd5c3d 3296 ;;
f54b5505 3297 # targets that do support nopl and conditional mov (cmov)
f2ce813e 3298 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
9dbd5c3d 3299 cpuflags="-march=$cpu"
f54b5505 3300 enable i686
9dbd5c3d
MR
3301 enable fast_cmov
3302 ;;
3303 # targets that do support conditional mov but on which it's slow
3304 pentium4|pentium4m|prescott|nocona)
3305 cpuflags="-march=$cpu"
f54b5505 3306 enable i686
9dbd5c3d
MR
3307 disable fast_cmov
3308 ;;
3309 esac
343aef9b 3310
343aef9b
MR
3311fi
3312
9ebd45c2
MR
3313if [ "$cpu" != generic ]; then
3314 add_cflags $cpuflags
3315 add_asflags $cpuflags
3316fi
df5cdc24 3317
993f2d0f
MR
3318# compiler sanity check
3319check_exec <<EOF
3320int main(void){ return 0; }
3321EOF
3322if test "$?" != 0; then
3323 echo "$cc is unable to create an executable file."
3324 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3325 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3326 echo "Only do this if you know what cross compiling means."
3327 fi
3328 die "C compiler test failed."
3329fi
3330
046f081b 3331add_cppflags -D_ISOC99_SOURCE
e9b9a2f8 3332check_cflags -std=c99
50a334e4 3333check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
3334#include <stdlib.h>
3335EOF
50a334e4 3336check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
3337#include <stdlib.h>
3338EOF
e9b9a2f8 3339
8267f936 3340add_host_cppflags -D_ISOC99_SOURCE
f0125de9 3341check_host_cflags -std=c99
0a6db2a2 3342check_host_cflags -Wall
8267f936 3343check_host_cflags -O3
f0125de9 3344