tiff: Improve grayscale support
[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."
c21d6325
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
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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."
c21d6325
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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:$PATH
58
74c53c2d 59show_help(){
f69f51b3 60 cat <<EOF
06454877
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61Usage: configure [options]
62Options: [defaults in brackets after descriptions]
63
3b327a4b 64Help options:
06454877 65 --help print this message
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66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
77
78Standard options:
19bd477d 79 --logfile=FILE log tests and output to FILE [config.log]
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80 --disable-logging do not log configure debug information
81 --prefix=PREFIX install in PREFIX [$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]
89
3b327a4b 90Licensing options:
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91 --enable-gpl allow use of GPL code, the resulting libs
92 and binaries will be under GPL [no]
93 --enable-version3 upgrade (L)GPL to version 3 [no]
94 --enable-nonfree allow use of nonfree code, the resulting libs
95 and binaries will be unredistributable [no]
3b327a4b
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96
97Configuration options:
98 --disable-static do not build static libraries [no]
99 --enable-shared build shared libraries [no]
100 --enable-small optimize for size instead of speed
101 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
102 --enable-gray enable full grayscale support (slower color)
103 --disable-swscale-alpha disable alpha channel support in swscale
844c6852 104 --disable-all disable building components, libraries and programs
3b327a4b 105
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106Program options:
107 --disable-programs do not build command line programs
6291d7e4 108 --disable-avconv disable avconv build
266463da 109 --disable-avplay disable avplay build
9e12f0bf 110 --disable-avprobe disable avprobe build
894682a9 111 --disable-avserver deprecated, does nothing
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112
113Component options:
114 --disable-doc do not build documentation
5a0f7131
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115 --disable-avdevice disable libavdevice build
116 --disable-avcodec disable libavcodec build
117 --disable-avformat disable libavformat build
d89f2fa9 118 --disable-avutil disable libavutil build
5a0f7131 119 --disable-swscale disable libswscale build
cccc039f 120 --disable-avfilter disable video filter support [no]
c8af852b 121 --disable-avresample disable libavresample build [no]
0dbfc1db 122 --disable-pthreads disable pthreads [auto]
7b7b220c 123 --disable-w32threads disable Win32 threads [auto]
06454877 124 --disable-network disable network support [no]
7f3f5f46 125 --disable-dct disable DCT code
0b499c9b 126 --disable-error-resilience disable error resilience code
193cdd9a 127 --disable-lsp disable LSP code
2a91ada8 128 --disable-lzo disable LZO decoder code
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129 --disable-mdct disable MDCT code
130 --disable-rdft disable RDFT code
3b327a4b 131 --disable-fft disable FFT code
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132
133Hardware accelerators:
3b327a4b 134 --enable-dxva2 enable DXVA2 code
dcb73592 135 --enable-vaapi enable VAAPI code
ac3dbb4d 136 --enable-vda enable VDA code
e8f6bd4b 137 --enable-vdpau enable VDPAU code
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138
139Individual component options:
bb55e3a3 140 --disable-everything disable all components listed below
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141 --disable-encoder=NAME disable encoder NAME
142 --enable-encoder=NAME enable encoder NAME
143 --disable-encoders disable all encoders
144 --disable-decoder=NAME disable decoder NAME
145 --enable-decoder=NAME enable decoder NAME
146 --disable-decoders disable all decoders
147 --disable-hwaccel=NAME disable hwaccel NAME
148 --enable-hwaccel=NAME enable hwaccel NAME
149 --disable-hwaccels disable all hwaccels
150 --disable-muxer=NAME disable muxer NAME
151 --enable-muxer=NAME enable muxer NAME
152 --disable-muxers disable all muxers
153 --disable-demuxer=NAME disable demuxer NAME
154 --enable-demuxer=NAME enable demuxer NAME
155 --disable-demuxers disable all demuxers
156 --enable-parser=NAME enable parser NAME
157 --disable-parser=NAME disable parser NAME
158 --disable-parsers disable all parsers
159 --enable-bsf=NAME enable bitstream filter NAME
160 --disable-bsf=NAME disable bitstream filter NAME
161 --disable-bsfs disable all bitstream filters
162 --enable-protocol=NAME enable protocol NAME
163 --disable-protocol=NAME disable protocol NAME
164 --disable-protocols disable all protocols
3b327a4b 165 --enable-indev=NAME enable input device NAME
06454877 166 --disable-indev=NAME disable input device NAME
06454877 167 --disable-indevs disable input devices
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168 --enable-outdev=NAME enable output device NAME
169 --disable-outdev=NAME disable output device NAME
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170 --disable-outdevs disable output devices
171 --disable-devices disable all devices
172 --enable-filter=NAME enable filter NAME
173 --disable-filter=NAME disable filter NAME
174 --disable-filters disable all filters
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175
176External library support:
03039f4c 177 --enable-avisynth enable reading of AviSynth script files [no]
06454877 178 --enable-bzlib enable bzlib [autodetect]
47941088 179 --enable-frei0r enable frei0r video filtering
bc8c1395 180 --enable-gnutls enable gnutls [no]
1c0210c7 181 --enable-libbs2b enable bs2b DSP library [no]
e417d80d 182 --enable-libcdio enable audio CD grabbing with libcdio
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183 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
184 and libraw1394 [no]
c547e5ff 185 --enable-libfaac enable AAC encoding via libfaac [no]
4f2b469d 186 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
a5b64584 187 --enable-libfreetype enable libfreetype [no]
c547e5ff 188 --enable-libgsm enable GSM de/encoding via libgsm [no]
3641b048 189 --enable-libilbc enable iLBC de/encoding via libilbc [no]
06454877 190 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
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191 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
192 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
193 --enable-libopencv enable video filtering via libopencv [no]
453c02f9 194 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
7c5ca546 195 --enable-libopus enable Opus de/encoding via libopus [no]
7c922411 196 --enable-libpulse enable Pulseaudio input via libpulse [no]
0f943ce6 197 --enable-librtmp enable RTMP[E] support via librtmp [no]
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DB
198 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
199 --enable-libspeex enable Speex de/encoding via libspeex [no]
06454877 200 --enable-libtheora enable Theora encoding via libtheora [no]
718907cd 201 --enable-libtwolame enable MP2 encoding via libtwolame [no]
d89e738a 202 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
f502ff3f 203 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
c547e5ff 204 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
3f111804 205 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
84d3ff50 206 --enable-libwavpack enable wavpack encoding via libwavpack [no]
be7c3231 207 --enable-libwebp enable WebP encoding via libwebp [no]
06454877 208 --enable-libx264 enable H.264 encoding via x264 [no]
50ea9315 209 --enable-libx265 enable HEVC encoding via x265 [no]
de295976 210 --enable-libxavs enable AVS encoding via xavs [no]
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211 --enable-libxvid enable Xvid encoding via xvidcore,
212 native MPEG-4/Xvid encoder exists [no]
a060866f 213 --enable-openssl enable openssl [no]
45235ac4 214 --enable-x11grab enable X11 grabbing [no]
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215 --enable-zlib enable zlib [autodetect]
216
b3c6ee19
DB
217Toolchain options:
218 --arch=ARCH select architecture [$arch]
219 --cpu=CPU select the minimum required CPU (affects
220 instruction selection, may crash on older CPUs)
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221 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
222 --enable-cross-compile assume a cross-compiler is used
223 --sysroot=PATH root of cross-build tree
224 --sysinclude=PATH location of cross-build system headers
225 --target-os=OS compiler targets OS [$target_os]
226 --target-exec=CMD command to run executables on target
227 --target-path=DIR path to view of build directory on target
ba13606c 228 --target-samples=DIR path to samples directory on target
aeeb782c 229 --toolchain=NAME set tool defaults according to NAME
06454877 230 --nm=NM use nm tool
121d78d0 231 --ar=AR use archive tool AR [$ar_default]
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232 --as=AS use assembler AS [$as_default]
233 --cc=CC use C compiler CC [$cc_default]
193cdd9a 234 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
06454877 235 --ld=LD use linker LD
852c329a 236 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
390acbea 237 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
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238 --host-cc=HOSTCC use host C compiler HOSTCC
239 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
4cc4b33f 240 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
095792f2 241 --host-ld=HOSTLD use host linker HOSTLD
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242 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
243 --host-libs=HLIBS use libs HLIBS when linking for host
193cdd9a 244 --host-os=OS compiler host OS [$target_os]
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245 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
246 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
bb0babd7 247 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
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248 --extra-libs=ELIBS add ELIBS [$ELIBS]
249 --extra-version=STRING version string suffix []
193cdd9a 250 --optflags=OPTFLAGS override optimization-related compiler flags
06454877 251 --build-suffix=SUFFIX library name suffix []
3b327a4b 252 --enable-pic build position-independent code
193cdd9a 253 --enable-thumb compile for Thumb instruction set
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254 --enable-lto use link-time optimization
255
256Advanced options (experts only):
257 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
3b327a4b 258 --disable-symver disable symbol versioning
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DB
259 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
260 --disable-safe-bitstream-reader
261 disable buffer boundary checking in bitreaders
262 (faster, but may crash)
263 --enable-memalign-hack emulate memalign, interferes with memory debuggers
b3c6ee19 264 --enable-sram allow use of on-chip SRAM
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265
266Optimization options (experts only):
463a7cde 267 --disable-asm disable all assembly optimizations
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268 --disable-altivec disable AltiVec optimizations
269 --disable-amd3dnow disable 3DNow! optimizations
270 --disable-amd3dnowext disable 3DNow! extended optimizations
271 --disable-mmx disable MMX optimizations
239fdf1b 272 --disable-mmxext disable MMXEXT optimizations
06454877 273 --disable-sse disable SSE optimizations
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274 --disable-sse2 disable SSE2 optimizations
275 --disable-sse3 disable SSE3 optimizations
06454877 276 --disable-ssse3 disable SSSE3 optimizations
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277 --disable-sse4 disable SSE4 optimizations
278 --disable-sse42 disable SSE4.2 optimizations
87f1355f 279 --disable-avx disable AVX optimizations
10b0161d 280 --disable-xop disable XOP optimizations
1b932eb1 281 --disable-fma3 disable FMA3 optimizations
79687079 282 --disable-fma4 disable FMA4 optimizations
4d6ee072 283 --disable-avx2 disable AVX2 optimizations
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284 --disable-armv5te disable armv5te optimizations
285 --disable-armv6 disable armv6 optimizations
286 --disable-armv6t2 disable armv6t2 optimizations
b3267559 287 --disable-vfp disable VFP optimizations
5ea20630 288 --disable-neon disable NEON optimizations
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DB
289 --disable-inline-asm disable use of inline assembly
290 --disable-yasm disable use of nasm/yasm assembly
06454877 291
070c5d0f 292Developer options (useful when working on Libav itself):
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293 --disable-debug disable debugging symbols
294 --enable-debug=LEVEL set the debug level [$debuglevel]
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295 --disable-optimizations disable compiler optimizations
296 --enable-extra-warnings enable more compiler warnings
52b3cc60 297 --samples=PATH location of test samples for FATE, if not set use
9309bdfe 298 \$LIBAV_SAMPLES at make invocation time.
44a0a98f
MS
299 --enable-neon-clobber-test check NEON registers for clobbering (should be
300 used only for debugging purposes)
7e4d9d5d
RB
301 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
302 should be used only for debugging purposes)
154caa67
MR
303 --enable-random randomly enable/disable components
304 --disable-random
305 --enable-random=LIST randomly enable/disable specific components or
306 --disable-random=LIST component groups. LIST is a comma-separated list
307 of NAME[:PROB] entries where NAME is a component
308 (group) and PROB the probability associated with
309 NAME (default 0.5).
310 --random-seed=VALUE seed value for --enable/disable-random
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311
312NOTE: Object files are built at the place where configure is launched.
313EOF
60e8bc13 314 exit 0
74c53c2d 315}
cf9d24ad 316
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317quotes='""'
318
57bd82d4 319log(){
2270b4b2 320 echo "$@" >> $logfile
57bd82d4
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321}
322
720c69da 323log_file(){
c8e9f801 324 log BEGIN $1
2270b4b2 325 pr -n -t $1 >> $logfile
c8e9f801
MR
326 log END $1
327}
328
2ba042a7 329echolog(){
c8e9f801 330 log "$@"
57bd82d4 331 echo "$@"
2ba042a7
MR
332}
333
7bfc8ae6
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334warn(){
335 log "WARNING: $*"
336 WARNINGS="${WARNINGS}WARNING: $*\n"
337}
338
2ba042a7
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339die(){
340 echolog "$@"
341 cat <<EOF
d326cf7f 342
2ba042a7 343If you think configure made a mistake, make sure you are using the latest
4a6a21f5 344version from Git. If the latest version fails, report the problem to the
5045f6bd 345libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
2ba042a7 346EOF
e155a21a 347 if disabled logging; then
2ba042a7 348 cat <<EOF
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349Rerun configure with logging enabled (do not use --disable-logging), and
350include the log this produces with your report.
2ba042a7
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351EOF
352 else
f69f51b3 353 cat <<EOF
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354Include the log file "$logfile" produced by configure as this will help
355solving the problem.
2ba042a7
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356EOF
357 fi
57bd82d4
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358 exit 1
359}
360
6c6007d6 361# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 362toupper(){
6c6007d6 363 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
44161118
MR
364}
365
4a5444db 366tolower(){
6c6007d6 367 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
4a5444db
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368}
369
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370c_escape(){
371 echo "$*" | sed 's/["\\]/\\\0/g'
372}
373
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374sh_quote(){
375 v=$(echo "$1" | sed "s/'/'\\\\''/g")
d72c981c 376 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
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377 echo "$v"
378}
379
bb7a22b5
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380cleanws(){
381 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
382}
383
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384filter(){
385 pat=$1
386 shift
387 for v; do
98ef6079 388 eval "case $v in $pat) echo $v ;; esac"
be8f2501
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389 done
390}
391
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392filter_out(){
393 pat=$1
394 shift
395 for v; do
396 eval "case $v in $pat) ;; *) echo $v ;; esac"
397 done
398}
399
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400map(){
401 m=$1
402 shift
e0e335a0 403 for v; do eval $m; done
36e2dea0
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404}
405
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DB
406add_suffix(){
407 suffix=$1
408 shift
409 for v; do echo ${v}${suffix}; done
410}
411
a8d04fba
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412set_all(){
413 value=$1
414 shift
415 for var in $*; do
416 eval $var=$value
417 done
418}
419
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420set_weak(){
421 value=$1
422 shift
423 for var; do
424 eval : \${$var:=$value}
425 done
426}
427
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DB
428sanitize_var_name(){
429 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
430}
431
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432set_safe(){
433 var=$1
434 shift
f868b24d 435 eval $(sanitize_var_name "$var")='$*'
3f8040db
MR
436}
437
438get_safe(){
f868b24d 439 eval echo \$$(sanitize_var_name "$1")
3f8040db
MR
440}
441
799c9e9b 442pushvar(){
4d810ad2
MS
443 for pvar in $*; do
444 eval level=\${${pvar}_level:=0}
445 eval ${pvar}_${level}="\$$pvar"
446 eval ${pvar}_level=$(($level+1))
799c9e9b
MR
447 done
448}
449
450popvar(){
4d810ad2
MS
451 for pvar in $*; do
452 eval level=\${${pvar}_level:-0}
799c9e9b
MR
453 test $level = 0 && continue
454 eval level=$(($level-1))
4d810ad2
MS
455 eval $pvar="\${${pvar}_${level}}"
456 eval ${pvar}_level=$level
457 eval unset ${pvar}_${level}
799c9e9b
MR
458 done
459}
460
a8d04fba
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461enable(){
462 set_all yes $*
463}
464
465disable(){
466 set_all no $*
467}
468
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469enable_weak(){
470 set_weak yes $*
471}
472
473disable_weak(){
474 set_weak no $*
475}
476
72702705 477enable_safe(){
fd07f803
MR
478 for var; do
479 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
480 done
72702705
MR
481}
482
483disable_safe(){
fd07f803
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484 for var; do
485 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
486 done
72702705
MR
487}
488
f9d328da
MR
489do_enable_deep(){
490 for var; do
491 enabled $var && continue
492 eval sel="\$${var}_select"
c510c7b5
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493 eval sgs="\$${var}_suggest"
494 pushvar var sgs
f9d328da 495 enable_deep $sel
c510c7b5
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496 popvar sgs
497 enable_deep_weak $sgs
f9d328da
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498 popvar var
499 done
500}
501
502enable_deep(){
503 do_enable_deep $*
504 enable $*
505}
506
72a43668 507enable_deep_weak(){
ffb068ce
MS
508 for var; do
509 disabled $var && continue
510 pushvar var
511 do_enable_deep $var
512 popvar var
513 enable_weak $var
514 done
72a43668
MR
515}
516
57bd82d4 517enabled(){
3250003c
MR
518 test "${1#!}" = "$1" && op== || op=!=
519 eval test "x\$${1#!}" $op "xyes"
44161118
MR
520}
521
37970ebf 522disabled(){
3250003c
MR
523 test "${1#!}" = "$1" && op== || op=!=
524 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
525}
526
44161118
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527enabled_all(){
528 for opt; do
529 enabled $opt || return 1
530 done
531}
532
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DB
533disabled_all(){
534 for opt; do
535 disabled $opt || return 1
536 done
537}
538
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539enabled_any(){
540 for opt; do
541 enabled $opt && return 0
542 done
543}
544
85bca2c5
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545disabled_any(){
546 for opt; do
547 disabled $opt && return 0
548 done
f7b230a7 549 return 1
85bca2c5
DB
550}
551
c9d19248
MR
552set_default(){
553 for opt; do
88268e94 554 eval : \${$opt:=\$${opt}_default}
c9d19248
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555 done
556}
557
4a0d6686
AJ
558is_in(){
559 value=$1
560 shift
561 for var in $*; do
562 [ $var = $value ] && return 0
563 done
564 return 1
565}
566
d4f8cecc 567do_check_deps(){
30fd06be 568 for cfg; do
3250003c 569 cfg="${cfg#!}"
799c9e9b
MR
570 enabled ${cfg}_checking && die "Circular dependency for $cfg."
571 disabled ${cfg}_checking && continue
572 enable ${cfg}_checking
d4f8cecc 573 append allopts $cfg
799c9e9b 574
30fd06be
MR
575 eval dep_all="\$${cfg}_deps"
576 eval dep_any="\$${cfg}_deps_any"
7ef3425f 577 eval dep_sel="\$${cfg}_select"
c510c7b5 578 eval dep_sgs="\$${cfg}_suggest"
3d7453e0
MR
579 eval dep_ifa="\$${cfg}_if"
580 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 581
3d7453e0 582 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
d4f8cecc 583 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
3d7453e0 584 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 585
3d7453e0
MR
586 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
587 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
6a702d4c
MR
588 enabled_all $dep_all || disable $cfg
589 enabled_any $dep_any || disable $cfg
7ef3425f 590 disabled_any $dep_sel && disable $cfg
799c9e9b 591
4ec45764 592 if enabled $cfg; then
f9d328da 593 enable_deep $dep_sel
c510c7b5 594 enable_deep_weak $dep_sgs
4ec45764
RP
595 fi
596
799c9e9b 597 disable ${cfg}_checking
30fd06be
MR
598 done
599}
600
d4f8cecc
MR
601check_deps(){
602 unset allopts
603
604 do_check_deps "$@"
605
606 for cfg in $allopts; do
607 enabled $cfg || continue
608 eval dep_extralibs="\$${cfg}_extralibs"
609 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
610 done
611}
612
44161118
MR
613print_config(){
614 pfx=$1
72cfcf41
MR
615 files=$2
616 shift 2
f454e879
MR
617 map 'eval echo "$v \${$v:-no}"' "$@" |
618 awk "BEGIN { split(\"$files\", files) }
619 {
620 c = \"$pfx\" toupper(\$1);
621 v = \$2;
622 sub(/yes/, 1, v);
623 sub(/no/, 0, v);
624 for (f in files) {
625 file = files[f];
626 if (file ~ /\\.h\$/) {
627 printf(\"#define %s %d\\n\", c, v) >>file;
628 } else if (file ~ /\\.asm\$/) {
629 printf(\"%%define %s %d\\n\", c, v) >>file;
630 } else if (file ~ /\\.mak\$/) {
d16c4aeb 631 n = -v ? \"\" : \"!\";
f454e879
MR
632 printf(\"%s%s=yes\\n\", n, c) >>file;
633 }
634 }
635 }"
57bd82d4
MR
636}
637
31c0121d 638print_enabled(){
31c0121d
MR
639 suf=$1
640 shift
641 for v; do
9eda2a85 642 enabled $v && printf "%s\n" ${v%$suf};
31c0121d
MR
643 done
644}
645
57bd82d4
MR
646append(){
647 var=$1
648 shift
57bd82d4
MR
649 eval "$var=\"\$$var $*\""
650}
651
60361817
MR
652prepend(){
653 var=$1
654 shift
655 eval "$var=\"$* \$$var\""
656}
657
44951174
JG
658unique(){
659 var=$1
660 uniq_list=""
661 for tok in $(eval echo \$$var); do
662 uniq_list="$(filter_out $tok $uniq_list) $tok"
663 done
664 eval "$var=\"${uniq_list}\""
665}
666
50a334e4 667add_cppflags(){
cd52ec95 668 append CPPFLAGS "$@"
50a334e4
MR
669}
670
57bd82d4 671add_cflags(){
01d31e16 672 append CFLAGS $($cflags_filter "$@")
57bd82d4
MR
673}
674
2f2e6c7c 675add_asflags(){
01d31e16 676 append ASFLAGS $($asflags_filter "$@")
2f2e6c7c
MR
677}
678
57bd82d4 679add_ldflags(){
64933b6c 680 append LDFLAGS $($ldflags_filter "$@")
57bd82d4
MR
681}
682
bb0babd7
LB
683add_ldexeflags(){
684 append LDEXEFLAGS $($ldflags_filter "$@")
685}
686
0673ede9
VG
687add_stripflags(){
688 append STRIPFLAGS "$@"
689}
690
57bd82d4 691add_extralibs(){
64933b6c 692 prepend extralibs $($ldflags_filter "$@")
57bd82d4
MR
693}
694
4cc4b33f
DB
695add_host_cppflags(){
696 append host_cppflags "$@"
697}
698
6c3fa06a
MR
699add_host_cflags(){
700 append host_cflags $($host_cflags_filter "$@")
701}
702
703add_host_ldflags(){
704 append host_ldflags $($host_ldflags_filter "$@")
705}
706
84e65c76
MR
707add_compat(){
708 append compat_objs $1
709 shift
710 map 'add_cppflags -D$v' "$@"
711}
712
b0cfb663 713check_cmd(){
b3cb5d51 714 log "$@"
2270b4b2 715 "$@" >> $logfile 2>&1
b0cfb663
MR
716}
717
b2704a65
MR
718cc_o(){
719 eval printf '%s\\n' $CC_O
720}
721
18031c49
MR
722cc_e(){
723 eval printf '%s\\n' $CC_E
724}
725
dcd479c0 726check_cc(){
57bd82d4 727 log check_cc "$@"
2270b4b2 728 cat > $TMPC
720c69da 729 log_file $TMPC
23565c26 730 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
57bd82d4
MR
731}
732
733check_cpp(){
734 log check_cpp "$@"
2270b4b2 735 cat > $TMPC
720c69da 736 log_file $TMPC
18031c49 737 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
dcd479c0
MR
738}
739
df0d6341
MR
740as_o(){
741 eval printf '%s\\n' $AS_O
742}
743
f65883c8
MR
744check_as(){
745 log check_as "$@"
7fd90119
MR
746 cat > $TMPS
747 log_file $TMPS
748 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
f65883c8
MR
749}
750
575db883
DB
751check_inline_asm(){
752 log check_inline_asm "$@"
940f335a 753 name="$1"
3784e82e 754 code="$2"
940f335a 755 shift 2
49214f61 756 disable $name
7fd90119 757 check_cc "$@" <<EOF && enable $name
3784e82e 758void foo(void){ __asm__ volatile($code); }
940f335a
MR
759EOF
760}
761
c6ebc9fa
MR
762check_insn(){
763 log check_insn "$@"
764 check_inline_asm ${1}_inline "\"$2\""
765 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
766}
767
304d586d
LM
768check_yasm(){
769 log check_yasm "$@"
770 echo "$1" > $TMPS
771 log_file $TMPS
772 shift 1
773 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
774}
775
29b64b68
MR
776ld_o(){
777 eval printf '%s\\n' $LD_O
778}
779
dcd479c0 780check_ld(){
57bd82d4 781 log check_ld "$@"
66a1ccd7
MR
782 flags=$(filter_out '-l*' "$@")
783 libs=$(filter '-l*' "$@")
01d31e16 784 check_cc $($cflags_filter $flags) || return
64933b6c
MR
785 flags=$($ldflags_filter $flags)
786 libs=$($ldflags_filter $libs)
29b64b68 787 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
dcd479c0
MR
788}
789
52ccc4a0
DB
790print_include(){
791 hdr=$1
792 test "${hdr%.h}" = "${hdr}" &&
793 echo "#include $hdr" ||
794 echo "#include <$hdr>"
795}
796
5adc829e
MR
797check_code(){
798 log check_code "$@"
799 check=$1
800 headers=$2
801 code=$3
802 shift 3
803 {
804 for hdr in $headers; do
52ccc4a0 805 print_include $hdr
5adc829e
MR
806 done
807 echo "int main(void) { $code; return 0; }"
808 } | check_$check "$@"
809}
810
50a334e4
MR
811check_cppflags(){
812 log check_cppflags "$@"
caf458dd 813 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
814int x;
815EOF
816}
817
23157d72
DB
818test_cflags(){
819 log test_cflags "$@"
01d31e16 820 set -- $($cflags_filter "$@")
23157d72 821 check_cc "$@" <<EOF
dcd479c0
MR
822int x;
823EOF
824}
825
23157d72
DB
826check_cflags(){
827 log check_cflags "$@"
828 test_cflags "$@" && add_cflags "$@"
829}
830
2ed46eea
MR
831test_ldflags(){
832 log test_ldflags "$@"
833 check_ld "$@" <<EOF
c23a0ac8 834int main(void){ return 0; }
dcd479c0
MR
835EOF
836}
837
2ed46eea
MR
838check_ldflags(){
839 log check_ldflags "$@"
840 test_ldflags "$@" && add_ldflags "$@"
841}
842
0673ede9
VG
843test_stripflags(){
844 log test_stripflags "$@"
845 # call check_cc to get a fresh TMPO
846 check_cc <<EOF
847int main(void) { return 0; }
848EOF
849 check_cmd $strip $STRIPFLAGS "$@" $TMPO
850}
851
852check_stripflags(){
853 log check_stripflags "$@"
854 test_stripflags "$@" && add_stripflags "$@"
855}
856
dcd479c0 857check_header(){
57bd82d4 858 log check_header "$@"
dcd479c0
MR
859 header=$1
860 shift
b77df637
MR
861 disable_safe $header
862 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
863#include <$header>
864int x;
865EOF
866}
867
868check_func(){
57bd82d4 869 log check_func "$@"
dcd479c0
MR
870 func=$1
871 shift
d8bc5f06
MR
872 disable $func
873 check_ld "$@" <<EOF && enable $func
dcd479c0 874extern int $func();
c23a0ac8 875int main(void){ $func(); }
dcd479c0
MR
876EOF
877}
878
645d2652 879check_mathfunc(){
6b73c0ae 880 log check_mathfunc "$@"
645d2652 881 func=$1
1aa07aa2
MR
882 narg=$2
883 shift 2
884 test $narg = 2 && args="f, g" || args="f"
645d2652
MR
885 disable $func
886 check_ld "$@" <<EOF && enable $func
887#include <math.h>
1aa07aa2 888float foo(float f, float g) { return $func($args); }
33bd38db 889int main(void){ return 0; }
645d2652
MR
890EOF
891}
892
2446d3d6
DB
893check_func_headers(){
894 log check_func_headers "$@"
f8d7b072 895 headers=$1
edaf1ae2 896 funcs=$2
f8d7b072 897 shift 2
edaf1ae2
MR
898 {
899 for hdr in $headers; do
52ccc4a0 900 print_include $hdr
edaf1ae2
MR
901 done
902 for func in $funcs; do
903 echo "long check_$func(void) { return (long) $func; }"
904 done
905 echo "int main(void) { return 0; }"
906 } | check_ld "$@" && enable $funcs && enable_safe $headers
f8d7b072
MR
907}
908
a5344cf7
SS
909check_cpp_condition(){
910 log check_cpp_condition "$@"
911 header=$1
912 condition=$2
f855b7b9 913 shift 2
cd52ec95 914 check_cpp "$@" <<EOF
a5344cf7
SS
915#include <$header>
916#if !($condition)
917#error "unsatisfied condition: $condition"
918#endif
919EOF
920}
921
57bd82d4
MR
922check_lib(){
923 log check_lib "$@"
924 header="$1"
925 func="$2"
926 shift 2
84400e9d 927 check_header $header && check_func $func "$@" && add_extralibs "$@"
57bd82d4
MR
928}
929
f8d7b072
MR
930check_lib2(){
931 log check_lib2 "$@"
932 headers="$1"
edaf1ae2 933 funcs="$2"
f8d7b072 934 shift 2
edaf1ae2 935 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
f8d7b072
MR
936}
937
3f8040db
MR
938check_pkg_config(){
939 log check_pkg_config "$@"
940 pkg="$1"
941 headers="$2"
942 funcs="$3"
943 shift 3
7f9e893f 944 check_cmd $pkg_config --exists --print-errors $pkg || return
390acbea
LB
945 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
946 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
3f8040db
MR
947 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
948 set_safe ${pkg}_cflags $pkg_cflags &&
949 set_safe ${pkg}_libs $pkg_libs
950}
951
dcd479c0 952check_exec(){
2270b4b2 953 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
954}
955
7dfef245 956check_exec_crash(){
5e622c40 957 code=$(cat)
7dfef245
MR
958
959 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
960 # are safe but may not be available everywhere. Thus we use
961 # raise(SIGTERM) instead. The check is run in a subshell so we
962 # can redirect the "Terminated" message from the shell. SIGBUS
963 # is not defined by standard C so it is used conditionally.
964
2270b4b2 965 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
966#include <signal.h>
967static void sighandler(int sig){
968 raise(SIGTERM);
969}
692dd8ed
MR
970int foo(void){
971 $code
972}
9495cd17 973int (*func_ptr)(void) = foo;
e5af4a11 974int main(void){
7dfef245
MR
975 signal(SIGILL, sighandler);
976 signal(SIGFPE, sighandler);
977 signal(SIGSEGV, sighandler);
978#ifdef SIGBUS
979 signal(SIGBUS, sighandler);
980#endif
9495cd17 981 return func_ptr();
7dfef245
MR
982}
983EOF
984}
985
72be9e73
DY
986check_type(){
987 log check_type "$@"
988 headers=$1
989 type=$2
990 shift 2
ae550ce9 991 disable_safe "$type"
5adc829e 992 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
72be9e73
DY
993}
994
14d36751 995check_struct(){
813b82b9 996 log check_struct "$@"
14d36751
MR
997 headers=$1
998 struct=$2
999 member=$3
1000 shift 3
1001 disable_safe "${struct}_${member}"
5adc829e
MR
1002 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1003 enable_safe "${struct}_${member}"
14d36751
MR
1004}
1005
9c7d85b3
DB
1006check_builtin(){
1007 log check_builtin "$@"
1008 name=$1
1009 headers=$2
1010 builtin=$3
1011 shift 3
1012 disable "$name"
1013 check_code ld "$headers" "$builtin" "$@" && enable "$name"
1014}
1015
e854b8f9
AK
1016check_compile_assert(){
1017 log check_compile_assert "$@"
1018 name=$1
1019 headers=$2
1020 condition=$3
1021 shift 3
1022 disable "$name"
1023 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1024}
1025
57bd82d4
MR
1026require(){
1027 name="$1"
1028 header="$2"
1029 func="$3"
1030 shift 3
1031 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
1032}
1033
f8d7b072
MR
1034require2(){
1035 name="$1"
1036 headers="$2"
1037 func="$3"
1038 shift 3
1039 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1040}
1041
3f8040db
MR
1042require_pkg_config(){
1043 pkg="$1"
1044 check_pkg_config "$@" || die "ERROR: $pkg not found"
1045 add_cflags $(get_safe ${pkg}_cflags)
1046 add_extralibs $(get_safe ${pkg}_libs)
1047}
1048
27565164
DB
1049hostcc_e(){
1050 eval printf '%s\\n' $HOSTCC_E
1051}
1052
ae43c4c0
MR
1053hostcc_o(){
1054 eval printf '%s\\n' $HOSTCC_O
1055}
1056
f0125de9
MR
1057check_host_cc(){
1058 log check_host_cc "$@"
1059 cat > $TMPC
1060 log_file $TMPC
ae43c4c0 1061 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
f0125de9
MR
1062}
1063
27565164
DB
1064check_host_cpp(){
1065 log check_host_cpp "$@"
1066 cat > $TMPC
1067 log_file $TMPC
1068 check_cmd $host_cc $HOSTCPPFLAGS $HOSTCFLAGS "$@" $(hostcc_e $TMPO) $TMPC
1069}
1070
4cc4b33f
DB
1071check_host_cppflags(){
1072 log check_host_cppflags "$@"
1073 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1074int x;
1075EOF
1076}
1077
f0125de9
MR
1078check_host_cflags(){
1079 log check_host_cflags "$@"
6c3fa06a 1080 set -- $($host_cflags_filter "$@")
f0125de9
MR
1081 check_host_cc "$@" <<EOF && append host_cflags "$@"
1082int x;
1083EOF
1084}
1085
27565164
DB
1086check_host_cpp_condition(){
1087 log check_host_cpp_condition "$@"
1088 header=$1
1089 condition=$2
1090 shift 2
1091 check_host_cpp "$@" <<EOF
1092#include <$header>
1093#if !($condition)
1094#error "unsatisfied condition: $condition"
1095#endif
1096EOF
1097}
1098
c505dd31
MR
1099apply(){
1100 file=$1
1101 shift
1102 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1103}
1104
c34681df 1105cp_if_changed(){
5e27ec28
MR
1106 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1107 mkdir -p "$(dirname $2)"
4ebc6a74 1108 $cp_f "$1" "$2"
c34681df
MR
1109}
1110
dcd61286
DB
1111# CONFIG_LIST contains configurable options, while HAVE_LIST is for
1112# system-dependent things.
1113
4a0d6686
AJ
1114COMPONENT_LIST="
1115 bsfs
1116 decoders
1117 demuxers
1118 encoders
3cde40aa 1119 filters
5666fd73 1120 hwaccels
c552605c 1121 indevs
4a0d6686 1122 muxers
c552605c 1123 outdevs
4a0d6686
AJ
1124 parsers
1125 protocols
1126"
1127
ab81f24a 1128EXAMPLE_LIST="
b339182e 1129 avcodec_example
e7dfaf16 1130 filter_audio_example
b339182e 1131 metadata_example
ab81f24a 1132 output_example
10421bcf 1133 transcode_aac_example
ab81f24a
DB
1134"
1135
3fc09b00
MR
1136EXTERNAL_LIBRARY_LIST="
1137 avisynth
1138 bzlib
1139 frei0r
1140 gnutls
1c0210c7 1141 libbs2b
3fc09b00
MR
1142 libcdio
1143 libdc1394
1144 libfaac
1145 libfdk_aac
f1b239ec 1146 libfontconfig
3fc09b00
MR
1147 libfreetype
1148 libgsm
1149 libilbc
1150 libmp3lame
1151 libopencore_amrnb
1152 libopencore_amrwb
1153 libopencv
1154 libopenjpeg
1155 libopus
1156 libpulse
1157 librtmp
1158 libschroedinger
1159 libspeex
1160 libtheora
718907cd 1161 libtwolame
3fc09b00
MR
1162 libvo_aacenc
1163 libvo_amrwbenc
1164 libvorbis
1165 libvpx
84d3ff50 1166 libwavpack
be7c3231 1167 libwebp
3fc09b00 1168 libx264
50ea9315 1169 libx265
3fc09b00
MR
1170 libxavs
1171 libxvid
1172 openssl
1173 x11grab
1174 zlib
1175"
1176
d0adf55c
DB
1177FEATURE_LIST="
1178 gray
1179 hardcoded_tables
1180 runtime_cpudetect
1181 safe_bitstream_reader
1182 shared
1183 small
1184 sram
1185 static
1186 swscale_alpha
1187"
1188
70b348ec
DB
1189HWACCEL_LIST="
1190 dxva2
1191 vaapi
1192 vda
1193 vdpau
1194"
7caf48e0 1195
d89f2fa9
DB
1196LIBRARY_LIST="
1197 avcodec
1198 avdevice
1199 avfilter
1200 avformat
1201 avresample
1202 avutil
1203 swscale
1204"
1205
d0adf55c
DB
1206LICENSE_LIST="
1207 gpl
1208 nonfree
1209 version3
1210"
1211
055c61b8
DB
1212PROGRAM_LIST="
1213 avconv
1214 avplay
1215 avprobe
055c61b8
DB
1216"
1217
d0adf55c 1218SUBSYSTEM_LIST="
7f3f5f46 1219 dct
4da3f410 1220 doc
0b499c9b 1221 error_resilience
1848f7d9 1222 fft
b781cc12 1223 lsp
2a91ada8 1224 lzo
47a158cb 1225 mdct
d0adf55c
DB
1226 network
1227 rdft
1228"
1229
1230CONFIG_LIST="
1231 $COMPONENT_LIST
1232 $EXAMPLE_LIST
1233 $EXTERNAL_LIBRARY_LIST
1234 $FEATURE_LIST
1235 $HWACCEL_LIST
1236 $LICENSE_LIST
1237 $LIBRARY_LIST
1238 $PROGRAM_LIST
1239 $SUBSYSTEM_LIST
c88f5d72 1240 memalign_hack
44a0a98f 1241 neon_clobber_test
8a3c8627 1242 pic
7caf48e0 1243 pod2man
f187557a 1244 texi2html
8986fddc 1245 thumb
7e4d9d5d 1246 xmm_clobber_test
4a0d6686 1247"
c88f5d72 1248
7caf48e0 1249THREADS_LIST="
8eee7025
DB
1250 pthreads
1251 w32threads
7caf48e0 1252"
8eee7025 1253
7caf48e0 1254ATOMICS_LIST="
f9f6402e 1255 atomics_gcc
f9f6402e 1256 atomics_suncc
93e65e9a 1257 atomics_win32
7caf48e0 1258"
f9f6402e 1259
7caf48e0 1260ARCH_LIST="
5873b623 1261 aarch64
3f5b56e5 1262 alpha
a2fc0f6a 1263 arm
fdcd782d
MR
1264 avr32
1265 avr32_ap
1266 avr32_uc
3f5b56e5
MR
1267 bfin
1268 ia64
1269 m68k
1270 mips
bae3abb0 1271 mips64
3f5b56e5 1272 parisc
79cb09b2 1273 ppc
34d11b87 1274 ppc64
3f5b56e5
MR
1275 s390
1276 sh4
1277 sparc
1278 sparc64
c75848cd
DB
1279 tilegx
1280 tilepro
0844bae1 1281 tomi
3f5b56e5
MR
1282 x86
1283 x86_32
1284 x86_64
7caf48e0 1285"
3f5b56e5 1286
7caf48e0 1287ARCH_EXT_LIST_ARM="
81dfa21e
MR
1288 armv5te
1289 armv6
1290 armv6t2
8675bcb0 1291 armv8
81dfa21e 1292 neon
b3267559 1293 vfp
81dfa21e 1294 vfpv3
7caf48e0 1295"
81dfa21e 1296
7caf48e0 1297ARCH_EXT_LIST_X86_SIMD="
3bf96eec 1298 amd3dnow
a1ef9f08 1299 amd3dnowext
50cd43f2 1300 avx
4d6ee072 1301 avx2
1b932eb1 1302 fma3
50cd43f2
DB
1303 fma4
1304 mmx
1305 mmxext
1306 sse
1307 sse2
1308 sse3
1309 sse4
1310 sse42
1311 ssse3
7caf48e0
DB
1312 xop
1313"
50cd43f2 1314
7a650caf
DB
1315ARCH_EXT_LIST_PPC="
1316 altivec
1317 dcbzl
1318 ldbrx
1319 ppc4xx
1320"
1321
84bf8817
DB
1322ARCH_EXT_LIST_X86="
1323 $ARCH_EXT_LIST_X86_SIMD
1324 cpunop
1325 i686
1326"
1327
50cd43f2 1328ARCH_EXT_LIST="
81dfa21e 1329 $ARCH_EXT_LIST_ARM
7a650caf 1330 $ARCH_EXT_LIST_PPC
50cd43f2 1331 $ARCH_EXT_LIST_X86
7a650caf
DB
1332 loongson
1333 vis
50cd43f2 1334"
3f5b56e5 1335
7a650caf
DB
1336ARCH_FEATURES="
1337 aligned_stack
1338 fast_64bit
1339 fast_clz
1340 fast_cmov
1341 local_aligned_8
1342 local_aligned_16
eba2233b 1343 simd_align_16
7a650caf
DB
1344"
1345
1346BUILTIN_LIST="
1347 atomic_cas_ptr
1348 machine_rw_barrier
1349 MemoryBarrier
1350 mm_empty
1351 rdtsc
1352 sync_val_compare_and_swap
1353"
7caf48e0 1354HAVE_LIST_CMDLINE="
fd712a55
DB
1355 inline_asm
1356 symver
1357 yasm
7caf48e0 1358"
fd712a55 1359
7caf48e0 1360HAVE_LIST_PUB="
a3e02a8c 1361 bigendian
d268eee9 1362 fast_unaligned
7caf48e0 1363"
a3e02a8c 1364
7a650caf
DB
1365HEADERS_LIST="
1366 alsa_asoundlib_h
1367 altivec_h
1368 arpa_inet_h
1369 cdio_paranoia_h
1370 cdio_paranoia_paranoia_h
1371 dev_bktr_ioctl_bt848_h
1372 dev_bktr_ioctl_meteor_h
1373 dev_ic_bt8xx_h
1374 dev_video_bktr_ioctl_bt848_h
1375 dev_video_meteor_ioctl_meteor_h
1376 direct_h
1377 dlfcn_h
1378 dxva_h
1379 gsm_h
1380 io_h
1381 mach_mach_time_h
1382 machine_ioctl_bt848_h
1383 machine_ioctl_meteor_h
1384 malloc_h
1385 poll_h
1386 sndio_h
1387 soundcard_h
1388 sys_mman_h
1389 sys_param_h
1390 sys_resource_h
1391 sys_select_h
1392 sys_soundcard_h
1393 sys_time_h
1394 sys_un_h
1395 sys_videoio_h
1396 unistd_h
1397 windows_h
1398 winsock2_h
1399"
1400
d45ebd48
JG
1401INTRINSICS_LIST="
1402 intrinsics_neon
1403"
1404
79042ab3 1405MATH_FUNCS="
fab0a8b2
MR
1406 atanf
1407 atan2f
79042ab3 1408 cbrtf
fab0a8b2 1409 cosf
79042ab3
DB
1410 exp2
1411 exp2f
fab0a8b2 1412 expf
79042ab3
DB
1413 isinf
1414 isnan
fab0a8b2 1415 ldexpf
79042ab3
DB
1416 llrint
1417 llrintf
1418 log2
1419 log2f
fab0a8b2 1420 log10f
79042ab3
DB
1421 lrint
1422 lrintf
fab0a8b2 1423 powf
79042ab3
DB
1424 rint
1425 round
1426 roundf
fab0a8b2 1427 sinf
79042ab3
DB
1428 trunc
1429 truncf
1430"
1431
7a650caf 1432SYSTEM_FUNCS="
be1a839c 1433 aligned_malloc
ecf97f22 1434 closesocket
15caccb9 1435 CommandLineToArgvW
a61c2115 1436 CoTaskMemFree
1093383d 1437 CryptGenRandom
c88f5d72 1438 dlopen
534a2231 1439 fcntl
e854b8f9 1440 flt_lim
9d99cc5a 1441 fork
84882df6 1442 getaddrinfo
da9e86f8 1443 gethrtime
667fb97a 1444 getopt
02e8f427 1445 GetProcessAffinityMask
fc5607f8 1446 GetProcessMemoryInfo
4e68cb8a 1447 GetProcessTimes
66be5b45 1448 getrusage
c3e73100 1449 getservbyport
7caf48e0 1450 GetSystemTimeAsFileTime
61183b5a 1451 gettimeofday
2e1913b1 1452 inet_aton
abfc8d05 1453 isatty
8772997d 1454 jack_port_get_latency_range
a5b64584 1455 localtime_r
c708b540 1456 mach_absolute_time
73f6d31e 1457 MapViewOfFile
c88f5d72 1458 memalign
6ffa87d3 1459 mkstemp
0328b9ea 1460 mmap
e98b02de 1461 mprotect
d3d3a32c 1462 nanosleep
1f91cdce 1463 posix_memalign
ea4d5f48 1464 sched_getaffinity
7e6a11bc 1465 SetConsoleTextAttribute
b507ebd1 1466 setmode
3e0b1c9a 1467 setrlimit
d3d3a32c 1468 Sleep
87958234 1469 strerror_r
6379900c 1470 strptime
7a650caf
DB
1471 sysconf
1472 sysctl
1473 usleep
1474 VirtualAlloc
1475"
1476
1477TOOLCHAIN_FEATURES="
896a5bff 1478 as_dn_directive
d5a55981 1479 as_func
7a650caf
DB
1480 asm_mod_q
1481 attribute_may_alias
1482 attribute_packed
1483 ebp_available
1484 ebx_available
1485 gnu_as
1486 ibm_asm
1487 inline_asm_labels
1488 pragma_deprecated
1489 symver_asm_label
1490 symver_gnu_asm
1491 vfp_args
1492 xform_asm
1493 xmm_clobbers
1494"
1495
1496TYPES_LIST="
1497 socklen_t
c0018613 1498 struct_addrinfo
75d339e0
MS
1499 struct_group_source_req
1500 struct_ip_mreq_source
b4d68544 1501 struct_ipv6_mreq
cdee08e3 1502 struct_pollfd
3e0b1c9a 1503 struct_rusage_ru_maxrss
b4d68544 1504 struct_sockaddr_in6
3b2372bf 1505 struct_sockaddr_sa_len
33a4dbdd 1506 struct_sockaddr_storage
a6a4793d 1507 struct_v4l2_frmivalenum_discrete
7a650caf
DB
1508"
1509
1510HAVE_LIST="
1511 $ARCH_EXT_LIST
1512 $(add_suffix _external $ARCH_EXT_LIST)
1513 $(add_suffix _inline $ARCH_EXT_LIST)
1514 $ARCH_FEATURES
1515 $ATOMICS_LIST
1516 $BUILTIN_LIST
1517 $HAVE_LIST_CMDLINE
1518 $HAVE_LIST_PUB
1519 $HEADERS_LIST
d45ebd48 1520 $INTRINSICS_LIST
7a650caf
DB
1521 $MATH_FUNCS
1522 $SYSTEM_FUNCS
1523 $THREADS_LIST
1524 $TOOLCHAIN_FEATURES
1525 $TYPES_LIST
1526 atomics_native
1527 dos_paths
a61c2115 1528 dxva2_lib
7a650caf
DB
1529 libc_msvcrt
1530 libdc1394_1
1531 libdc1394_2
1532 sdl
b265431e 1533 threads
7671dd7c 1534 vdpau_x11
7671dd7c 1535 xlib
0cb78cef 1536"
44161118 1537
511cf612 1538# options emitted with CONFIG_ prefix but not available on the command line
b6bb00b0 1539CONFIG_EXTRA="
87849592 1540 aandcttables
bfe9f48a 1541 ac3dsp
aa11cb79 1542 audio_frame_queue
9a9e2f1c 1543 audiodsp
e74433a8 1544 blockdsp
c67b449b 1545 bswapdsp
8ef33497 1546 cabac
f6ee61fb 1547 dvprofile
a9aee08d 1548 fdctdsp
bfe9f48a 1549 gcrypt
478fd534 1550 golomb
9cad0e4e 1551 gplv3
0338c396 1552 h263dsp
478fd534
DB
1553 h264chroma
1554 h264dsp
1555 h264pred
915a2a0a 1556 h264qpel
68d8238c 1557 hpeldsp
478fd534 1558 huffman
0d439fbe 1559 huffyuvdsp
512f3ffe 1560 huffyuvencdsp
e3fcb143 1561 idctdsp
bd499d9a 1562 iirfilter
dc4d726b 1563 intrax8
9cad0e4e 1564 lgplv3
478fd534 1565 lpc
2d604443 1566 me_cmp
7b9ef8d7 1567 mpeg_er
1e164c0b 1568 mpegaudio
bfe9f48a 1569 mpegaudiodsp
18bbca1f 1570 mpegvideo
ad08dfd5 1571 mpegvideoenc
bfe9f48a 1572 nettle
f46bb608 1573 pixblockdsp
368f5035 1574 qpeldsp
f704a079 1575 rangecoder
255d9c57 1576 riffdec
3dd5c95d 1577 riffenc
bfe9f48a 1578 rtpdec
5ad2f0bf 1579 rtpenc_chain
bfe9f48a 1580 sinewin
db7f1c7c 1581 startcode
57f09608 1582 tpeldsp
8c53d39e 1583 videodsp
ab9f9876 1584 vp3dsp
b6bb00b0
MR
1585"
1586
520cc7f1 1587CMDLINE_SELECT="
3f5b56e5 1588 $ARCH_EXT_LIST
520cc7f1 1589 $CONFIG_LIST
fd712a55 1590 $HAVE_LIST_CMDLINE
8eee7025 1591 $THREADS_LIST
c8a4ae00 1592 asm
db6107b6 1593 cross_compile
520cc7f1
MR
1594 debug
1595 extra_warnings
8c6afa4d 1596 logging
65d12900 1597 lto
d2bbb2f7 1598 optimizations
520cc7f1 1599"
426be5dc 1600
7caf48e0 1601PATHS_LIST="
d156bede 1602 bindir
14a8acf1 1603 datadir
f4ca970d 1604 docdir
26759c44
MR
1605 incdir
1606 libdir
26759c44
MR
1607 mandir
1608 prefix
1609 shlibdir
7caf48e0 1610"
426be5dc
DB
1611
1612CMDLINE_SET="
1613 $PATHS_LIST
121d78d0 1614 ar
426be5dc 1615 arch
313c46a6 1616 as
426be5dc
DB
1617 build_suffix
1618 cc
1619 cpu
1620 cross_prefix
50567afa 1621 dep_cc
ac63af34 1622 extra_version
9da6609f
MR
1623 host_cc
1624 host_cflags
095792f2 1625 host_ld
9da6609f
MR
1626 host_ldflags
1627 host_libs
82bb3329 1628 host_os
684b28e0 1629 ld
426be5dc 1630 logfile
4ae40685 1631 malloc_prefix
89641463 1632 nm
9cd7b854 1633 optflags
3f8040db 1634 pkg_config
390acbea 1635 pkg_config_flags
154caa67 1636 random_seed
2fad0977 1637 samples
c5200f17
MR
1638 sysinclude
1639 sysroot
a7ada2ba 1640 target_exec
26759c44 1641 target_os
a7ada2ba 1642 target_path
ba13606c 1643 target_samples
aeeb782c 1644 toolchain
426be5dc 1645"
520cc7f1 1646
89f2932b
MR
1647CMDLINE_APPEND="
1648 extra_cflags
4cc4b33f 1649 host_cppflags
89f2932b
MR
1650"
1651
912f3148
DB
1652# code dependency declarations
1653
9eeed841 1654# architecture extensions
808fa33c 1655
a2fc0f6a
MR
1656armv5te_deps="arm"
1657armv6_deps="arm"
ab5cb084 1658armv6t2_deps="arm"
8675bcb0 1659armv8_deps="aarch64"
b7b17ed6 1660neon_deps_any="aarch64 arm"
d45ebd48 1661intrinsics_neon_deps="neon"
b7b17ed6 1662vfp_deps_any="aarch64 arm"
b3267559 1663vfpv3_deps="vfp"
808fa33c 1664
637606de
MR
1665map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1666
808fa33c
MR
1667altivec_deps="ppc"
1668ppc4xx_deps="ppc"
1669
84146963
DB
1670cpunop_deps="i686"
1671x86_64_select="i686"
1672x86_64_suggest="fast_cmov"
50cd43f2 1673
808fa33c
MR
1674amd3dnow_deps="mmx"
1675amd3dnowext_deps="amd3dnow"
fb87e69f 1676i686_deps="x86"
9eeed841 1677mmx_deps="x86"
239fdf1b 1678mmxext_deps="mmx"
50cd43f2
DB
1679sse_deps="mmxext"
1680sse2_deps="sse"
1681sse3_deps="sse2"
1682ssse3_deps="sse3"
1683sse4_deps="ssse3"
1684sse42_deps="sse4"
1685avx_deps="sse42"
10b0161d 1686xop_deps="avx"
1b932eb1 1687fma3_deps="avx"
79687079 1688fma4_deps="avx"
4d6ee072 1689avx2_deps="avx"
9eeed841 1690
43b73d59
DB
1691mmx_external_deps="yasm"
1692mmx_inline_deps="inline_asm"
1693mmx_suggest="mmx_external mmx_inline"
1694
84bf8817 1695for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
43b73d59
DB
1696 eval dep=\$${ext}_deps
1697 eval ${ext}_external_deps='"${dep}_external"'
1698 eval ${ext}_inline_deps='"${dep}_inline"'
1699 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1700done
1701
032d4da8
JG
1702aligned_stack_if_any="aarch64 ppc x86"
1703fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1704fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1705fast_unaligned_if_any="aarch64 ppc x86"
eba2233b 1706simd_align_16_if_any="altivec neon sse"
89e053f8 1707
1a5fdf95
DB
1708# system capabilities
1709log2_deps="!libc_msvcrt"
1710
b462d132
MR
1711symver_if_any="symver_asm_label symver_gnu_asm"
1712
8558595a
DB
1713# threading support
1714atomics_gcc_if="sync_val_compare_and_swap"
1715atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1716atomics_win32_if="MemoryBarrier"
1717atomics_native_if_any="$ATOMICS_LIST"
874c751c 1718w32threads_deps="atomics_native"
8558595a
DB
1719threads_if_any="$THREADS_LIST"
1720
26fbcc85 1721# subsystems
dc609252 1722dct_select="rdft"
2d604443 1723error_resilience_select="me_cmp"
fbf4d219 1724intrax8_select="error_resilience"
26fbcc85
MR
1725mdct_select="fft"
1726rdft_select="fft"
2d604443 1727me_cmp_select="fdctdsp idctdsp pixblockdsp"
7b9ef8d7 1728mpeg_er_select="error_resilience"
1e164c0b 1729mpegaudio_select="mpegaudiodsp"
c4f5c2d6 1730mpegaudiodsp_select="dct"
2d604443
DB
1731mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp videodsp"
1732mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
26fbcc85 1733
ed40b6bf 1734# decoders / encoders
cfc2a0cf 1735aac_decoder_select="mdct sinewin"
bd499d9a 1736aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
136e19e1 1737aac_latm_decoder_select="aac_decoder aac_latm_parser"
c67b449b 1738ac3_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2d604443
DB
1739ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
1740ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
e3fcb143 1741aic_decoder_select="golomb idctdsp"
f4d608e3 1742alac_encoder_select="lpc"
c67b449b 1743als_decoder_select="bswapdsp"
b781cc12 1744amrnb_decoder_select="lsp"
2b2a597e 1745amrwb_decoder_select="lsp"
0a36988e 1746amv_decoder_select="sp5x_decoder"
c67b449b 1747ape_decoder_select="bswapdsp"
e3fcb143 1748asv1_decoder_select="blockdsp bswapdsp idctdsp"
f46bb608 1749asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
e3fcb143 1750asv2_decoder_select="blockdsp bswapdsp idctdsp"
f46bb608 1751asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
4538729a 1752atrac1_decoder_select="mdct sinewin"
26fbcc85 1753atrac3_decoder_select="mdct"
e6f0bb65 1754atrac3p_decoder_select="mdct sinewin"
e74433a8 1755bink_decoder_select="blockdsp hpeldsp"
a33657ce
DB
1756binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1757binkaudio_rdft_decoder_select="mdct rdft sinewin"
e3fcb143 1758cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
c67b449b 1759cllc_decoder_select="bswapdsp"
9b500b8f 1760comfortnoise_encoder_select="lpc"
9a9e2f1c 1761cook_decoder_select="audiodsp mdct sinewin"
2a91ada8 1762cscd_decoder_select="lzo"
2eef7c62 1763cscd_decoder_suggest="zlib"
26fbcc85 1764dca_decoder_select="mdct"
e3fcb143 1765dnxhd_decoder_select="blockdsp idctdsp"
f46bb608 1766dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
f6ee61fb 1767dvvideo_decoder_select="dvprofile idctdsp"
2d604443 1768dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
61c31e4e 1769dxa_decoder_deps="zlib"
baf91bb9 1770eac3_decoder_select="ac3_decoder"
4264a0dd 1771eac3_encoder_select="ac3_encoder"
e3fcb143
DB
1772eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
1773eatgq_decoder_select="aandcttables idctdsp"
1774eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
38389058 1775exr_decoder_deps="zlib"
cd832f03
DB
1776ffv1_decoder_select="golomb rangecoder"
1777ffv1_encoder_select="rangecoder"
2f02bbcc
DB
1778ffvhuff_decoder_select="huffyuv_decoder"
1779ffvhuff_encoder_select="huffyuv_encoder"
93e15a32 1780fic_decoder_select="golomb"
4f034993 1781flac_decoder_select="golomb"
c67b449b 1782flac_encoder_select="bswapdsp golomb lpc"
61c31e4e
DB
1783flashsv_decoder_deps="zlib"
1784flashsv_encoder_deps="zlib"
1785flashsv2_decoder_deps="zlib"
4414137e 1786flv_decoder_select="h263_decoder"
4d4b4bd1 1787flv_encoder_select="h263_encoder"
c67b449b
DB
1788fourxm_decoder_select="blockdsp bswapdsp"
1789fraps_decoder_select="bswapdsp huffman"
61c31e4e 1790g2m_decoder_deps="zlib"
e3fcb143 1791g2m_decoder_select="blockdsp idctdsp"
7b9ef8d7 1792h261_decoder_select="mpeg_er mpegvideo"
ad08dfd5 1793h261_encoder_select="aandcttables mpegvideoenc"
7b9ef8d7 1794h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
0338c396 1795h263_encoder_select="aandcttables h263dsp mpegvideoenc"
4414137e 1796h263i_decoder_select="h263_decoder"
fe629c2d 1797h263p_encoder_select="h263_encoder"
db7f1c7c 1798h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
0b499c9b 1799h264_decoder_suggest="error_resilience"
c67b449b
DB
1800hevc_decoder_select="bswapdsp cabac golomb videodsp"
1801huffyuv_decoder_select="bswapdsp huffyuvdsp"
1802huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
34150be5 1803iac_decoder_select="imc_decoder"
c67b449b 1804imc_decoder_select="bswapdsp fft mdct sinewin"
8f992dc8 1805indeo3_decoder_select="hpeldsp"
8071264f 1806interplay_video_decoder_select="hpeldsp"
8e0cf39f 1807jpegls_decoder_select="golomb mjpeg_decoder"
4f034993 1808jpegls_encoder_select="golomb"
e74433a8 1809jv_decoder_select="blockdsp"
0d439fbe 1810lagarith_decoder_select="huffyuvdsp"
e3fcb143 1811ljpeg_encoder_select="aandcttables idctdsp"
4f034993 1812loco_decoder_select="golomb"
e3fcb143 1813mdec_decoder_select="blockdsp idctdsp mpegvideo"
3e589878 1814metasound_decoder_select="lsp mdct sinewin"
e3fcb143
DB
1815mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
1816mjpeg_decoder_select="blockdsp hpeldsp idctdsp"
6cd76e54 1817mjpeg_encoder_select="aandcttables mpegvideoenc"
7caf48e0 1818mjpegb_decoder_select="mjpeg_decoder"
9ecf1b62 1819mlp_decoder_select="mlp_parser"
c67b449b 1820motionpixels_decoder_select="bswapdsp"
1e164c0b
DB
1821mp1_decoder_select="mpegaudio"
1822mp1float_decoder_select="mpegaudio"
1823mp2_decoder_select="mpegaudio"
1824mp2float_decoder_select="mpegaudio"
1825mp3_decoder_select="mpegaudio"
1826mp3adu_decoder_select="mpegaudio"
1827mp3adufloat_decoder_select="mpegaudio"
1828mp3float_decoder_select="mpegaudio"
1829mp3on4_decoder_select="mpegaudio"
1830mp3on4float_decoder_select="mpegaudio"
c67b449b 1831mpc7_decoder_select="bswapdsp mpegaudiodsp"
88b24064 1832mpc8_decoder_select="mpegaudiodsp"
3e0b1c9a 1833mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
d767e2f9 1834mpeg_xvmc_decoder_select="mpeg2video_decoder"
7b9ef8d7 1835mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
06b54e84 1836mpeg1video_encoder_select="aandcttables mpegvideoenc"
7b9ef8d7 1837mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
06b54e84 1838mpeg2video_encoder_select="aandcttables mpegvideoenc"
3e0b1c9a
DB
1839mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1840mpeg4_encoder_select="h263_encoder"
4414137e 1841msmpeg4v1_decoder_select="h263_decoder"
4414137e 1842msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1843msmpeg4v2_encoder_select="h263_encoder"
4414137e 1844msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1845msmpeg4v3_encoder_select="h263_encoder"
7b9ef8d7 1846mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
8e0cf39f 1847mxpeg_decoder_select="mjpeg_decoder"
4538729a 1848nellymoser_decoder_select="mdct sinewin"
aa11cb79 1849nellymoser_encoder_select="audio_frame_queue mdct sinewin"
e3fcb143 1850nuv_decoder_select="idctdsp lzo"
e2834567 1851on2avc_decoder_select="mdct"
b70d7a4a 1852opus_decoder_deps="avresample"
61c31e4e 1853png_decoder_deps="zlib"
61c31e4e 1854png_encoder_deps="zlib"
512f3ffe 1855png_encoder_select="huffyuvencdsp"
e3fcb143 1856prores_decoder_select="idctdsp"
a9aee08d 1857prores_encoder_select="fdctdsp"
b781cc12 1858qcelp_decoder_select="lsp"
c4f5c2d6 1859qdm2_decoder_select="mdct rdft mpegaudiodsp"
aa11cb79 1860ra_144_encoder_select="audio_frame_queue lpc"
9f43fdda 1861ralf_decoder_select="golomb"
7b9ef8d7 1862rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
b2bf38b4 1863rv10_encoder_select="h263_encoder"
7b9ef8d7 1864rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
b2bf38b4 1865rv20_encoder_select="h263_encoder"
7b9ef8d7
DB
1866rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
1867rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
4f034993 1868shorten_decoder_select="golomb"
b781cc12 1869sipr_decoder_select="lsp"
8e0cf39f 1870sp5x_decoder_select="mjpeg_decoder"
6caa44aa 1871svq1_decoder_select="hpeldsp"
2d604443 1872svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
57f09608 1873svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
d48430c3 1874svq3_decoder_suggest="zlib"
9a9e2f1c 1875tak_decoder_select="audiodsp"
4eef77c1 1876theora_decoder_select="vp3_decoder"
7caf48e0 1877thp_decoder_select="mjpeg_decoder"
2eef7c62
AJ
1878tiff_decoder_suggest="zlib"
1879tiff_encoder_suggest="zlib"
aec09a00 1880truehd_decoder_select="mlp_decoder"
c67b449b
DB
1881truemotion2_decoder_select="bswapdsp"
1882truespeech_decoder_select="bswapdsp"
61c31e4e 1883tscc_decoder_deps="zlib"
4538729a 1884twinvq_decoder_select="mdct lsp sinewin"
c67b449b
DB
1885utvideo_decoder_select="bswapdsp"
1886utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
0d439fbe 1887vble_decoder_select="huffyuvdsp"
adf8227c 1888vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"
45ecda85 1889vc1image_decoder_select="vc1_decoder"
26fbcc85
MR
1890vorbis_decoder_select="mdct"
1891vorbis_encoder_select="mdct"
3bd062bf 1892vp3_decoder_select="hpeldsp vp3dsp videodsp"
cb7ecb75
RB
1893vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
1894vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
e82dc4c9
DB
1895vp6a_decoder_select="vp6_decoder"
1896vp6f_decoder_select="vp6_decoder"
ac4b32df 1897vp7_decoder_select="h264pred videodsp"
8c53d39e 1898vp8_decoder_select="h264pred videodsp"
72ca830f 1899vp9_decoder_select="videodsp"
c4bfa098 1900webp_decoder_select="vp8_decoder"
4538729a
MR
1901wmapro_decoder_select="mdct sinewin"
1902wmav1_decoder_select="mdct sinewin"
1903wmav1_encoder_select="mdct sinewin"
1904wmav2_decoder_select="mdct sinewin"
1905wmav2_encoder_select="mdct sinewin"
1906wmavoice_decoder_select="lsp rdft dct mdct sinewin"
f95bfab0 1907wmv1_decoder_select="h263_decoder"
665507aa 1908wmv1_encoder_select="h263_encoder"
e3fcb143 1909wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp"
1746e2a9 1910wmv2_encoder_select="h263_encoder"
015f8ee0 1911wmv3_decoder_select="vc1_decoder"
45ecda85 1912wmv3image_decoder_select="wmv3_decoder"
61c31e4e
DB
1913zerocodec_decoder_deps="zlib"
1914zlib_decoder_deps="zlib"
1915zlib_encoder_deps="zlib"
1916zmbv_decoder_deps="zlib"
1917zmbv_encoder_deps="zlib"
30fd06be 1918
ed40b6bf 1919# hardware accelerators
215cdd35 1920dxva2_deps="dxva2api_h"
0afab17e 1921vaapi_deps="va_va_h"
ac3dbb4d 1922vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
9840130e 1923vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
c89c96e9
MR
1924vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1925
82ca17ac
DB
1926h263_vaapi_hwaccel_deps="vaapi"
1927h263_vaapi_hwaccel_select="h263_decoder"
1928h263_vdpau_hwaccel_deps="vdpau"
1929h263_vdpau_hwaccel_select="h263_decoder"
215cdd35
DB
1930h264_dxva2_hwaccel_deps="dxva2"
1931h264_dxva2_hwaccel_select="h264_decoder"
82ca17ac
DB
1932h264_vaapi_hwaccel_deps="vaapi"
1933h264_vaapi_hwaccel_select="h264_decoder"
1934h264_vda_hwaccel_deps="vda"
1935h264_vda_hwaccel_select="h264_decoder"
67afcefb
AK
1936h264_vda_old_hwaccel_deps="vda"
1937h264_vda_old_hwaccel_select="h264_decoder"
82ca17ac
DB
1938h264_vdpau_hwaccel_deps="vdpau"
1939h264_vdpau_hwaccel_select="h264_decoder"
82ca17ac
DB
1940mpeg1_vdpau_hwaccel_deps="vdpau"
1941mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
215cdd35
DB
1942mpeg2_dxva2_hwaccel_deps="dxva2"
1943mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
82ca17ac
DB
1944mpeg2_vaapi_hwaccel_deps="vaapi"
1945mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
1946mpeg2_vdpau_hwaccel_deps="vdpau"
1947mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
1948mpeg4_vaapi_hwaccel_deps="vaapi"
1949mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
82ca17ac
DB
1950mpeg4_vdpau_hwaccel_deps="vdpau"
1951mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
215cdd35
DB
1952vc1_dxva2_hwaccel_deps="dxva2"
1953vc1_dxva2_hwaccel_select="vc1_decoder"
82ca17ac
DB
1954vc1_vaapi_hwaccel_deps="vaapi"
1955vc1_vaapi_hwaccel_select="vc1_decoder"
82ca17ac
DB
1956vc1_vdpau_hwaccel_deps="vdpau"
1957vc1_vdpau_hwaccel_select="vc1_decoder"
ed40b6bf
DB
1958wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1959wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
77525327 1960wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
ed40b6bf 1961
28b80940 1962# parsers
fb7127b2 1963h264_parser_select="h264_decoder"
a6a675a7 1964mpegvideo_parser_select="mpegvideo"
7b9ef8d7 1965mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
adf8227c 1966vc1_parser_select="mpegvideo startcode"
28b80940 1967
912f3148 1968# external libraries
c9171a83 1969libfaac_encoder_deps="libfaac"
aa11cb79 1970libfaac_encoder_select="audio_frame_queue"
4f2b469d 1971libfdk_aac_decoder_deps="libfdk_aac"
37eeb5e2 1972libfdk_aac_encoder_deps="libfdk_aac"
aa11cb79 1973libfdk_aac_encoder_select="audio_frame_queue"
299c77d5
MR
1974libgsm_decoder_deps="libgsm"
1975libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1976libgsm_ms_decoder_deps="libgsm"
1977libgsm_ms_encoder_deps="libgsm"
3641b048
MS
1978libilbc_decoder_deps="libilbc"
1979libilbc_encoder_deps="libilbc"
1cc60c47 1980libmp3lame_encoder_deps="libmp3lame"
aa11cb79 1981libmp3lame_encoder_select="audio_frame_queue"
0b175caa
DB
1982libopencore_amrnb_decoder_deps="libopencore_amrnb"
1983libopencore_amrnb_encoder_deps="libopencore_amrnb"
aa11cb79 1984libopencore_amrnb_encoder_select="audio_frame_queue"
0b175caa 1985libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1986libopenjpeg_decoder_deps="libopenjpeg"
453c02f9 1987libopenjpeg_encoder_deps="libopenjpeg"
44617d6e 1988libopus_decoder_deps="libopus"
6cb8c854 1989libopus_encoder_deps="libopus"
aa11cb79 1990libopus_encoder_select="audio_frame_queue"
f7cd9eed
AS
1991libschroedinger_decoder_deps="libschroedinger"
1992libschroedinger_encoder_deps="libschroedinger"
ae14f311 1993libspeex_decoder_deps="libspeex"
b606a017 1994libspeex_encoder_deps="libspeex"
aa11cb79 1995libspeex_encoder_select="audio_frame_queue"
150d2772 1996libtheora_encoder_deps="libtheora"
718907cd 1997libtwolame_encoder_deps="libtwolame"
d89e738a 1998libvo_aacenc_encoder_deps="libvo_aacenc"
aa11cb79 1999libvo_aacenc_encoder_select="audio_frame_queue"
f502ff3f 2000libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
b0caf888 2001libvorbis_encoder_deps="libvorbis"
aa11cb79 2002libvorbis_encoder_select="audio_frame_queue"
3f111804
LB
2003libvpx_vp8_decoder_deps="libvpx"
2004libvpx_vp8_encoder_deps="libvpx"
2005libvpx_vp9_decoder_deps="libvpx"
2006libvpx_vp9_encoder_deps="libvpx"
84d3ff50 2007libwavpack_encoder_deps="libwavpack"
be7c3231 2008libwebp_encoder_deps="libwebp"
1cc60c47 2009libx264_encoder_deps="libx264"
50ea9315 2010libx265_encoder_deps="libx265"
de295976 2011libxavs_encoder_deps="libxavs"
1cc60c47 2012libxvid_encoder_deps="libxvid"
30fd06be 2013
912f3148 2014# demuxers / muxers
c2dd0e9e 2015ac3_demuxer_select="ac3_parser"
255d9c57 2016asf_demuxer_select="riffdec"
3dd5c95d 2017asf_muxer_select="riffenc"
647c2356 2018asf_stream_muxer_select="asf_muxer"
255d9c57 2019avi_demuxer_select="riffdec"
3dd5c95d 2020avi_muxer_select="riffenc"
4e622dea 2021avisynth_demuxer_deps="avisynth"
255d9c57
DB
2022avisynth_demuxer_select="riffdec"
2023caf_demuxer_select="riffdec"
c2dd0e9e 2024dirac_demuxer_select="dirac_parser"
f6ee61fb
AK
2025dv_demuxer_select="dvprofile"
2026dv_muxer_select="dvprofile"
255d9c57 2027dxa_demuxer_select="riffdec"
5b423887 2028eac3_demuxer_select="ac3_parser"
e01fba55 2029f4v_muxer_select="mov_muxer"
c2dd0e9e 2030flac_demuxer_select="flac_parser"
435214a7 2031hds_muxer_select="flv_muxer"
c9031c7c 2032hls_muxer_select="mpegts_muxer"
647c2356 2033ipod_muxer_select="mov_muxer"
31f16dc1 2034ismv_muxer_select="mov_muxer"
647c2356 2035matroska_audio_muxer_select="matroska_muxer"
255d9c57 2036matroska_demuxer_select="riffdec"
2a91ada8 2037matroska_demuxer_suggest="bzlib lzo zlib"
3dd5c95d
DB
2038matroska_muxer_select="riffenc"
2039mmf_muxer_select="riffenc"
255d9c57 2040mov_demuxer_select="riffdec"
4e622dea 2041mov_demuxer_suggest="zlib"
3dd5c95d 2042mov_muxer_select="riffenc rtpenc_chain"
c2dd0e9e 2043mp3_demuxer_select="mpegaudio_parser"
647c2356 2044mp4_muxer_select="mov_muxer"
75644335 2045mpegts_muxer_select="adts_muxer latm_muxer"
647c2356
DB
2046mpegtsraw_demuxer_select="mpegts_demuxer"
2047mxf_d10_muxer_select="mxf_muxer"
3dd5c95d 2048nut_muxer_select="riffenc"
255d9c57 2049nuv_demuxer_select="riffdec"
24ca518b 2050ogg_demuxer_select="golomb"
647c2356 2051psp_muxer_select="mov_muxer"
44594cc7 2052rtp_demuxer_select="sdp_demuxer"
44b70ce5
MS
2053rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2054rtsp_demuxer_select="http_protocol rtpdec"
5ad2f0bf 2055rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
01c8d258 2056sap_demuxer_select="sdp_demuxer"
5ad2f0bf 2057sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
44b70ce5 2058sdp_demuxer_select="rtpdec"
e772f9fa 2059smoothstreaming_muxer_select="ismv_muxer"
f1e94694 2060spdif_muxer_select="aac_parser"
57231e4d 2061tak_demuxer_select="tak_parser"
647c2356
DB
2062tg2_muxer_select="mov_muxer"
2063tgp_muxer_select="mov_muxer"
a7d45e06 2064w64_demuxer_select="wav_demuxer"
255d9c57 2065wav_demuxer_select="riffdec"
3dd5c95d
DB
2066wav_muxer_select="riffenc"
2067webm_muxer_select="riffenc"
255d9c57
DB
2068wtv_demuxer_select="riffdec"
2069xmv_demuxer_select="riffdec"
2070xwma_demuxer_select="riffdec"
4e622dea
SS
2071
2072# indevs / outdevs
38e54a75 2073alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
38e54a75 2074alsa_outdev_deps="alsa_asoundlib_h"
38e54a75 2075bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
6fb65973
DB
2076dv1394_indev_deps="dv1394"
2077dv1394_indev_select="dv_demuxer"
c6f95144 2078fbdev_indev_deps="linux_fb_h"
a3fc62e8 2079jack_indev_deps="jack_jack_h pthreads"
e417d80d 2080libcdio_indev_deps="libcdio"
38e54a75 2081libdc1394_indev_deps="libdc1394"
38e54a75
SS
2082oss_indev_deps_any="soundcard_h sys_soundcard_h"
2083oss_outdev_deps_any="soundcard_h sys_soundcard_h"
0de9c41f 2084pulse_indev_deps="libpulse"
15d59d2c
B
2085sndio_indev_deps="sndio_h"
2086sndio_outdev_deps="sndio_h"
38e54a75 2087v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
ec1ee802 2088vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
a1b3c5a3 2089vfwcap_indev_extralibs="-lavicap32"
24f8961f 2090x11grab_indev_deps="x11grab XShmCreateImage"
30fd06be 2091
912f3148 2092# protocols
acd554c1
SP
2093ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2094ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2095ffrtmpcrypt_protocol_select="tcp_protocol"
775c4d36
SP
2096ffrtmphttp_protocol_deps="!librtmp_protocol"
2097ffrtmphttp_protocol_select="http_protocol"
998c1ee1 2098gopher_protocol_select="network"
279a0c97 2099http_protocol_select="tcp_protocol"
7caf48e0 2100httpproxy_protocol_select="tcp_protocol"
183baead 2101https_protocol_select="tls_protocol"
eb9244f2 2102icecast_protocol_select="http_protocol"
c3b57d6e
DB
2103librtmp_protocol_deps="librtmp"
2104librtmpe_protocol_deps="librtmp"
2105librtmps_protocol_deps="librtmp"
2106librtmpt_protocol_deps="librtmp"
2107librtmpte_protocol_deps="librtmp"
c60a2d70 2108mmsh_protocol_select="http_protocol"
998c1ee1 2109mmst_protocol_select="network"
c3b57d6e 2110rtmp_protocol_deps="!librtmp_protocol"
deeb7012 2111rtmp_protocol_select="tcp_protocol"
acd554c1 2112rtmpe_protocol_select="ffrtmpcrypt_protocol"
6aedabc9
SP
2113rtmps_protocol_deps="!librtmp_protocol"
2114rtmps_protocol_select="tls_protocol"
775c4d36 2115rtmpt_protocol_select="ffrtmphttp_protocol"
08cd95e8 2116rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
6c1ed454 2117rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
deeb7012 2118rtp_protocol_select="udp_protocol"
998c1ee1
DB
2119sctp_protocol_deps="struct_sctp_event_subscribe"
2120sctp_protocol_select="network"
0eecafc9 2121srtp_protocol_select="rtp_protocol"
998c1ee1 2122tcp_protocol_select="network"
558d192d
MS
2123tls_protocol_deps_any="openssl gnutls"
2124tls_protocol_select="tcp_protocol"
998c1ee1 2125udp_protocol_select="network"
60538758
LB
2126unix_protocol_deps="sys_un_h"
2127unix_protocol_select="network"
c08fb000 2128
6ebf0bfc 2129# filters
13fabd7a 2130blackframe_filter_deps="gpl"
ce6b6ef6 2131boxblur_filter_deps="gpl"
1c0210c7 2132bs2b_filter_deps="libbs2b"
68b79bfc 2133cropdetect_filter_deps="gpl"
b157be1f 2134delogo_filter_deps="gpl"
a5b64584 2135drawtext_filter_deps="libfreetype"
61b323ce 2136frei0r_filter_deps="frei0r dlopen"
cfec77aa 2137frei0r_filter_extralibs='$ldl'
61b323ce 2138frei0r_src_filter_deps="frei0r dlopen"
cfec77aa 2139frei0r_src_filter_extralibs='$ldl'
a4dc7aa5 2140hqdn3d_filter_deps="gpl"
3fce1367 2141interlace_filter_deps="gpl"
cf69ad35 2142ocv_filter_deps="libopencv"
7caf48e0 2143resample_filter_deps="avresample"
2f296e39 2144scale_filter_deps="swscale"
6ebf0bfc 2145
ab81f24a 2146# examples
b339182e 2147avcodec_example_deps="avcodec avutil"
e7dfaf16 2148filter_audio_example_deps="avfilter avutil"
b339182e 2149metadata_example_deps="avformat avutil"
ab81f24a 2150output_example_deps="avcodec avformat avutil swscale"
10421bcf 2151transcode_aac_example_deps="avcodec avformat avresample"
ab81f24a 2152
44951174 2153# libraries, in linking order
d89f2fa9 2154avcodec_deps="avutil"
44951174 2155avdevice_deps="avformat avcodec avutil"
d89f2fa9 2156avfilter_deps="avutil"
44951174 2157avformat_deps="avcodec avutil"
d89f2fa9
DB
2158avresample_deps="avutil"
2159swscale_deps="avutil"
f7679c54 2160
912f3148 2161# programs
54fd593a 2162avconv_deps="avcodec avfilter avformat avresample swscale"
bce70f81 2163avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
0a0e340f 2164 fps_filter null_filter resample_filter scale_filter
bce70f81 2165 setpts_filter trim_filter"
d173ede1 2166avplay_deps="avcodec avformat avresample swscale sdl"
d2617193 2167avplay_libs='$sdl_libs'
266463da 2168avplay_select="rdft"
9e12f0bf 2169avprobe_deps="avcodec avformat"
a2830dca 2170
4da3f410 2171# documentation
92f0abb2 2172pod2man_deps="doc"
4da3f410
DB
2173texi2html_deps="doc"
2174
de6d9b64 2175# default parameters
8a608357 2176
19bd477d 2177logfile="config.log"
8a608357
MR
2178
2179# installation paths
c9d19248
MR
2180prefix_default="/usr/local"
2181bindir_default='${prefix}/bin'
6291d7e4 2182datadir_default='${prefix}/share/avconv'
f4ca970d 2183docdir_default='${prefix}/share/doc/libav'
c9d19248
MR
2184incdir_default='${prefix}/include'
2185libdir_default='${prefix}/lib'
2186mandir_default='${prefix}/share/man'
2187shlibdir_default="$libdir_default"
8a608357
MR
2188
2189# toolchain
121d78d0 2190ar_default="ar"
13c7df3d 2191cc_default="gcc"
9da6609f 2192host_cc_default="gcc"
4ebc6a74 2193cp_f="cp -f"
b58b00ae 2194ln_s="ln -s -f"
2a8a860a 2195nm_default="nm -g"
11e6d03a 2196objformat="elf"
3f8040db 2197pkg_config_default=pkg-config
be7109c1 2198ranlib="ranlib"
e52567c2 2199strip="strip"
11e6d03a 2200yasmexe="yasm"
8a608357 2201
3e0b1c9a 2202nogas=":"
8182dc34 2203
8a608357 2204# machine
8d4c00ed 2205arch_default=$(uname -m)
38d0a8aa 2206cpu="generic"
d45ebd48 2207intrinsics="none"
8a608357 2208
8a608357 2209# OS
8d4c00ed
MR
2210target_os_default=$(tolower $(uname -s))
2211host_os=$target_os_default
8a608357 2212
8a608357 2213# configurable options
ab81f24a 2214enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
3e0b1c9a 2215
3e0b1c9a
DB
2216enable asm
2217enable debug
2218enable doc
8400d6b8 2219enable optimizations
8cfbbd92 2220enable safe_bitstream_reader
530dc538 2221enable static
a9ddb5b1 2222enable swscale_alpha
8a608357 2223
2e2ec667
DB
2224# By default, enable only those hwaccels that have no external dependencies.
2225enable dxva2 vdpau
2226
8a608357 2227# build settings
9987769a 2228SHFLAGS='-shared -Wl,-soname,$$(@F)'
f3ec2d46
SG
2229LIBPREF="lib"
2230LIBSUF=".a"
c5f14466
RP
2231FULLNAME='$(NAME)$(BUILDSUF)'
2232LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
2233SLIBPREF="lib"
2234SLIBSUF=".so"
c5f14466 2235SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
2236SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2237SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 2238LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2f138f0b
MR
2239SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2240SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
ef0bc4c9 2241
68485d1f
MR
2242asflags_filter=echo
2243cflags_filter=echo
64933b6c
MR
2244ldflags_filter=echo
2245
23565c26 2246AS_C='-c'
bc877faf 2247AS_O='-o $@'
23565c26 2248CC_C='-c'
18031c49 2249CC_E='-E -o $@'
7e6c86e6 2250CC_O='-o $@'
a758c5e2 2251LD_O='-o $@'
8db73c61
MR
2252LD_LIB='-l%'
2253LD_PATH='-L'
23565c26 2254HOSTCC_C='-c'
27565164 2255HOSTCC_E='-E -o $@'
a758c5e2 2256HOSTCC_O='-o $@'
095792f2 2257HOSTLD_O='-o $@'
7e6c86e6 2258
9da6609f 2259host_libs='-lm'
6c3fa06a
MR
2260host_cflags_filter=echo
2261host_ldflags_filter=echo
9da6609f 2262
9b861379 2263target_path='$(CURDIR)'
a7ada2ba 2264
a158446b
MR
2265# since the object filename is not given with the -MM flag, the compiler
2266# is only able to print the basename, and we must add the path ourselves
a758c5e2
MR
2267DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2268DEPFLAGS='-MM'
315c741d 2269
c597172e 2270# find source path
24524f36 2271if test -f configure; then
f038cf3c 2272 source_path=.
c597172e 2273else
8477f2de 2274 source_path=$(cd $(dirname "$0"); pwd)
c597172e 2275 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 2276 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
2277 test -e "$source_path/config.h" &&
2278 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
2279fi
2280
13cbe2c0 2281for v in "$@"; do
b04251c5
MR
2282 r=${v#*=}
2283 l=${v%"$r"}
2284 r=$(sh_quote "$r")
29ba0911 2285 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
13cbe2c0 2286done
c597172e 2287
73ef8980
MR
2288find_things(){
2289 thing=$1
2290 pattern=$2
2291 file=$source_path/$3
932ccf39 2292 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
2293}
2294
2295ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2296DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 2297HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
2298PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2299BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2300MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2301DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
2302OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2303INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 2304PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 2305FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 2306
54e75be4
DB
2307ALL_COMPONENTS="
2308 $BSF_LIST
2309 $DECODER_LIST
2310 $DEMUXER_LIST
2311 $ENCODER_LIST
2312 $FILTER_LIST
2313 $HWACCEL_LIST
2314 $INDEV_LIST
2315 $MUXER_LIST
2316 $OUTDEV_LIST
2317 $PARSER_LIST
2318 $PROTOCOL_LIST
2319"
2320
8469ae22
MR
2321for n in $COMPONENT_LIST; do
2322 v=$(toupper ${n%s})_LIST
2323 eval enable \$$v
2324 eval ${n}_if_any="\$$v"
2325done
2326
206a070d 2327enable $ARCH_EXT_LIST
c597172e
MR
2328
2329die_unknown(){
2330 echo "Unknown option \"$1\"."
2331 echo "See $0 --help for available options."
2332 exit 1
2333}
2334
7432e872
DB
2335print_3_columns() {
2336 cat | tr ' ' '\n' | sort | pr -r -3 -t
2337}
2338
794f8e97 2339show_list() {
bf0c4afa
RP
2340 suffix=_$1
2341 shift
7432e872 2342 echo $* | sed s/$suffix//g | print_3_columns
794f8e97
PI
2343 exit 0
2344}
2345
154caa67
MR
2346rand_list(){
2347 IFS=', '
2348 set -- $*
2349 unset IFS
2350 for thing; do
2351 comp=${thing%:*}
2352 prob=${thing#$comp}
2353 prob=${prob#:}
2354 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2355 echo "prob ${prob:-0.5}"
2356 printf '%s\n' $comp
2357 done
2358}
2359
2360do_random(){
2361 action=$1
2362 shift
2363 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2364 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2365}
2366
c597172e 2367for opt do
7483e694
DB
2368 optval="${opt#*=}"
2369 case "$opt" in
ea061af1
DB
2370 --extra-ldflags=*)
2371 add_ldflags $optval
7e9e7cc2 2372 ;;
bb0babd7
LB
2373 --extra-ldexeflags=*)
2374 add_ldexeflags $optval
2375 ;;
ea061af1
DB
2376 --extra-libs=*)
2377 add_extralibs $optval
7e9e7cc2 2378 ;;
ea061af1
DB
2379 --disable-devices)
2380 disable $INDEV_LIST $OUTDEV_LIST
7e9e7cc2 2381 ;;
ea061af1
DB
2382 --enable-debug=*)
2383 debuglevel="$optval"
7e9e7cc2
MR
2384 ;;
2385 --disable-programs)
2386 disable $PROGRAM_LIST
2387 ;;
2388 --disable-everything)
2389 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2390 ;;
844c6852
DB
2391 --disable-all)
2392 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2393 disable $LIBRARY_LIST $PROGRAM_LIST doc
2394 ;;
7e9e7cc2
MR
2395 --enable-random|--disable-random)
2396 action=${opt%%-random}
2397 do_random ${action#--} $COMPONENT_LIST
2398 ;;
2399 --enable-random=*|--disable-random=*)
2400 action=${opt%%-random=*}
2401 do_random ${action#--} $optval
2402 ;;
2403 --enable-*=*|--disable-*=*)
2404 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2405 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2406 eval list=\$$(toupper $thing)_LIST
2407 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2408 $action $(filter "$name" $list)
2409 ;;
894682a9
AK
2410 --enable-avserver|--disable-avserver*)
2411 warn "avserver has been removed, the ${opt} option is only"\
2412 "provided for compatibility and will be removed in the future"
2413 ;;
7e9e7cc2
MR
2414 --enable-?*|--disable-?*)
2415 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2416 if is_in $option $COMPONENT_LIST; then
2417 test $action = disable && action=unset
2418 eval $action \$$(toupper ${option%s})_LIST
2419 elif is_in $option $CMDLINE_SELECT; then
2420 $action $option
2421 else
2422 die_unknown $opt
2423 fi
2424 ;;
2425 --list-*)
2426 NAME="${opt#--list-}"
2427 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2428 NAME=${NAME%s}
2429 eval show_list $NAME \$$(toupper $NAME)_LIST
2430 ;;
2431 --help|-h) show_help
2432 ;;
2433 *)
2434 optname="${opt%%=*}"
2435 optname="${optname#--}"
2436 optname=$(echo "$optname" | sed 's/-/_/g')
2437 if is_in $optname $CMDLINE_SET; then
2438 eval $optname='$optval'
2439 elif is_in $optname $CMDLINE_APPEND; then
2440 append $optname "$optval"
2441 else
2442 die_unknown $opt
2443 fi
2444 ;;
7483e694 2445 esac
c597172e
MR
2446done
2447
bcea99bb
MR
2448disabled logging && logfile=/dev/null
2449
29ba0911 2450echo "# $0 $LIBAV_CONFIGURATION" > $logfile
bcea99bb
MR
2451set >> $logfile
2452
9da6609f
MR
2453test -n "$cross_prefix" && enable cross_compile
2454
8d4c00ed
MR
2455if enabled cross_compile; then
2456 test -n "$arch" && test -n "$target_os" ||
2457 die "Must specify target arch and OS when cross-compiling"
2458fi
2459
121d78d0 2460ar_default="${cross_prefix}${ar_default}"
11e6d03a 2461cc_default="${cross_prefix}${cc_default}"
20e0ed95 2462nm_default="${cross_prefix}${nm_default}"
3f8040db 2463pkg_config_default="${cross_prefix}${pkg_config_default}"
adb2b908 2464ranlib="${cross_prefix}${ranlib}"
e52567c2 2465strip="${cross_prefix}${strip}"
adb2b908 2466
c5200f17
MR
2467sysinclude_default="${sysroot}/usr/include"
2468
aeeb782c 2469case "$toolchain" in
0fbb62a8
LB
2470 clang-asan)
2471 cc_default="clang"
19f251a2
LB
2472 add_cflags -fsanitize=address
2473 add_ldflags -fsanitize=address
0fbb62a8
LB
2474 ;;
2475 clang-tsan)
2476 cc_default="clang"
19f251a2
LB
2477 add_cflags -fsanitize=thread -pie
2478 add_ldflags -fsanitize=thread -pie
0fbb62a8 2479 ;;
d6a27f88
LB
2480 clang-usan)
2481 cc_default="clang"
4d25c2bc 2482 add_cflags -fsanitize=undefined -O1
d6a27f88
LB
2483 add_ldflags -fsanitize=undefined
2484 ;;
0ba49d28
LB
2485 gcc-asan)
2486 cc_default="gcc"
2487 add_cflags -fsanitize=address
2488 add_ldflags -fsanitize=address
2489 ;;
2490 gcc-tsan)
2491 cc_default="gcc"
2492 add_cflags -fsanitize=thread -pie -fPIC
2493 add_ldflags -fsanitize=thread -pie -fPIC
2494 ;;
d6a27f88
LB
2495 gcc-usan)
2496 cc_default="gcc"
2497 add_cflags -fsanitize=undefined
2498 add_ldflags -fsanitize=undefined
2499 ;;
edfe609f
LB
2500 valgrind-massif)
2501 target_exec_default="valgrind"
2502 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2503 ;;
b1ee8eec
RT
2504 valgrind-memcheck)
2505 target_exec_default="valgrind"
2506 target_exec_args="--track-origins=yes --leak-check=full"
2507 ;;
aeeb782c 2508 msvc)
16381923
MS
2509 # Check whether the current MSVC version needs the C99 converter.
2510 # From MSVC 2013 (compiler major version 18) onwards, it does actually
ea9f7173 2511 # support enough of C99 to build libav. Default to the new
16381923
MS
2512 # behaviour if the regexp was unable to match anything, since this
2513 # successfully parses the version number of existing supported
2514 # versions that require the converter (MSVC 2010 and 2012).
2515 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2516 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
ea9f7173 2517 cc_default="cl"
16381923
MS
2518 else
2519 cc_default="c99wrap cl"
2520 fi
ea9f7173 2521 ld_default="link"
aeeb782c 2522 nm_default="dumpbin -symbols"
ac3a9b51 2523 ar_default="lib"
53e8cd68 2524 target_os_default="win32"
ea9f7173
MS
2525 # Use a relative path for TMPDIR. This makes sure all the
2526 # ffconf temp files are written with a relative path, avoiding
2527 # issues with msys/win32 path conversion for MSVC parameters
2528 # such as -Fo<file> or -out:<file>.
2529 TMPDIR=.
aeeb782c 2530 ;;
322e4194 2531 icl)
ea9f7173
MS
2532 cc_default="icl"
2533 ld_default="xilink"
322e4194
AS
2534 nm_default="dumpbin -symbols"
2535 ar_default="xilib"
2536 target_os_default="win32"
ea9f7173 2537 TMPDIR=.
322e4194 2538 ;;
a862c7d3
RT
2539 gcov)
2540 add_cflags -fprofile-arcs -ftest-coverage
2541 add_ldflags -fprofile-arcs -ftest-coverage
2542 ;;
e7891305 2543 hardened)
7caf48e0 2544 add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all
e7891305
LB
2545 add_ldflags -Wl,-z,relro -Wl,-z,now
2546 ;;
aeeb782c
MR
2547 ?*)
2548 die "Unknown toolchain $toolchain"
2549 ;;
2550esac
2551
b1ee8eec 2552set_default arch cc pkg_config sysinclude target_exec target_os
9da6609f
MR
2553enabled cross_compile || host_cc_default=$cc
2554set_default host_cc
13c7df3d 2555
762f95e4
MR
2556if ! $pkg_config --version >/dev/null 2>&1; then
2557 warn "$pkg_config not found, library detection may fail."
2558 pkg_config=false
2559fi
2560
82bb3329
MR
2561exesuf() {
2562 case $1 in
53e8cd68 2563 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
82bb3329
MR
2564 esac
2565}
2566
2567EXESUF=$(exesuf $target_os)
2568HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 2569
e4e69e0b 2570# set temporary file name
a49d42c2 2571: ${TMPDIR:=$TEMPDIR}
c51fafa1 2572: ${TMPDIR:=$TMP}
a49d42c2 2573: ${TMPDIR:=/tmp}
e4e69e0b 2574
a210bce2 2575if ! check_cmd mktemp -u XXXXXX; then
54460a83
MR
2576 # simple replacement for missing mktemp
2577 # NOT SAFE FOR GENERAL USE
2578 mktemp(){
09a5c245 2579 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
54460a83
MR
2580 }
2581fi
2582
2583tmpfile(){
2584 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2585 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 2586 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
2587 append TMPFILES $tmp
2588 eval $1=$tmp
2589}
2590
2591trap 'rm -f -- $TMPFILES' EXIT
54460a83 2592
55127e7b 2593tmpfile TMPASM .asm
3e0b1c9a
DB
2594tmpfile TMPC .c
2595tmpfile TMPE $EXESUF
2596tmpfile TMPH .h
2597tmpfile TMPO .o
2598tmpfile TMPS .S
2599tmpfile TMPSH .sh
2600tmpfile TMPV .ver
54460a83
MR
2601
2602unset -f mktemp
e4e69e0b 2603
fb3c4ffc
MR
2604chmod +x $TMPE
2605
993f2d0f
MR
2606# make sure we can execute files in $TMPDIR
2607cat > $TMPSH 2>> $logfile <<EOF
2608#! /bin/sh
2609EOF
2610chmod +x $TMPSH >> $logfile 2>&1
2611if ! $TMPSH >> $logfile 2>&1; then
2612 cat <<EOF
2613Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2614variable to another directory and make sure that it is not mounted noexec.
2615EOF
2616 die "Sanity test failed."
2617fi
993f2d0f 2618
457cc333
MR
2619ccc_flags(){
2620 for flag; do
2621 case $flag in
2622 -std=c99) echo -c99 ;;
2623 -mcpu=*) echo -arch ${flag#*=} ;;
2624 -mieee) echo -ieee ;;
2625 -O*|-fast) echo $flag ;;
2626 -fno-math-errno) echo -assume nomath_errno ;;
2627 -g) echo -g3 ;;
2628 -Wall) echo -msg_enable level2 ;;
2629 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2630 -Wl,*) echo $flag ;;
2631 -f*|-W*) ;;
2632 *) echo $flag ;;
2633 esac
2634 done
2635}
2636
e5d45e02
LB
2637cparser_flags(){
2638 for flag; do
2639 case $flag in
2640 -Wno-switch) echo -Wno-switch-enum ;;
2641 -Wno-format-zero-length) ;;
2642 -Wdisabled-optimization) ;;
2643 -Wno-pointer-sign) echo -Wno-other ;;
2644 *) echo $flag ;;
2645 esac
2646 done
2647}
2648
14fb9d3d 2649msvc_common_flags(){
dfa559bc
RB
2650 for flag; do
2651 case $flag in
14fb9d3d
AS
2652 # In addition to specifying certain flags under the compiler
2653 # specific filters, they must be specified here as well or else the
2654 # generic catch all at the bottom will print the original flag.
2655 -Wall) ;;
2656 -std=c99) ;;
2657 # Common flags
9f4a16c5 2658 -fomit-frame-pointer) ;;
dfa559bc 2659 -g) echo -Z7 ;;
dfa559bc
RB
2660 -fno-math-errno) ;;
2661 -fno-common) ;;
2662 -fno-signed-zeros) ;;
50640977 2663 -fPIC) ;;
9f30fb5a
MS
2664 -mthumb) ;;
2665 -march=*) ;;
dfa559bc 2666 -lz) echo zlib.lib ;;
bd680c7b
DB
2667 -lavifil32) echo vfw32.lib ;;
2668 -lavicap32) echo vfw32.lib user32.lib ;;
dfa559bc
RB
2669 -l*) echo ${flag#-l}.lib ;;
2670 *) echo $flag ;;
2671 esac
2672 done
2673}
2674
14fb9d3d
AS
2675msvc_flags(){
2676 msvc_common_flags "$@"
2677 for flag; do
2678 case $flag in
ace87c19 2679 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
14fb9d3d
AS
2680 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2681 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
09f2581d 2682 -wd4273 ;;
14fb9d3d
AS
2683 esac
2684 done
2685}
2686
2687icl_flags(){
2688 msvc_common_flags "$@"
2689 for flag; do
2690 case $flag in
2691 # Despite what Intel's documentation says -Wall, which is supported
2692 # on Windows, does enable remarks so disable them here.
2693 -Wall) echo $flag -Qdiag-disable:remark ;;
2694 -std=c99) echo -Qstd=c99 ;;
2695 esac
2696 done
2697}
2698
d0c6d424
MR
2699pgi_flags(){
2700 for flag; do
2701 case $flag in
643933f5 2702 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
d0c6d424
MR
2703 -fomit-frame-pointer) echo -Mnoframe ;;
2704 -g) echo -gopt ;;
2705 *) echo $flag ;;
2706 esac
2707 done
2708}
2709
2710suncc_flags(){
2711 for flag; do
2712 case $flag in
2713 -march=*|-mcpu=*)
2714 case "${flag#*=}" in
2715 native) echo -xtarget=native ;;
2716 v9|niagara) echo -xarch=sparc ;;
2717 ultrasparc) echo -xarch=sparcvis ;;
2718 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2719 i586|pentium) echo -xchip=pentium ;;
2720 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2721 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2722 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2723 pentium4*) echo -xtarget=pentium4 ;;
2724 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2725 *-sse3) echo -xarch=sse3 ;;
2726 core2) echo -xarch=ssse3 -xchip=core2 ;;
f2ce813e
SM
2727 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2728 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
b36f87ff 2729 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
ace87c19 2730 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
d0c6d424 2731 k8|opteron|athlon64|athlon-fx)
ace87c19
DB
2732 echo -xarch=sse2a ;;
2733 athlon*) echo -xarch=pentium_proa ;;
d0c6d424
MR
2734 esac
2735 ;;
2736 -std=c99) echo -xc99 ;;
2737 -fomit-frame-pointer) echo -xregs=frameptr ;;
2738 -fPIC) echo -KPIC -xcode=pic32 ;;
2739 -W*,*) echo $flag ;;
5e753ed5
SM
2740 -f*-*|-W*|-mimpure-text) ;;
2741 -shared) echo -G ;;
d0c6d424
MR
2742 *) echo $flag ;;
2743 esac
2744 done
2745}
2746
2747tms470_flags(){
2748 for flag; do
2749 case $flag in
2750 -march=*|-mcpu=*)
2751 case "${flag#*=}" in
2752 armv7-a|cortex-a*) echo -mv=7a8 ;;
2753 armv7-r|cortex-r*) echo -mv=7r4 ;;
2754 armv7-m|cortex-m*) echo -mv=7m3 ;;
2755 armv6*|arm11*) echo -mv=6 ;;
2756 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2757 echo -mv=5e ;;
2758 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2759 esac
2760 ;;
2761 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2762 -mfpu=vfp) echo --float_support=vfpv2 ;;
2763 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
b5198a26 2764 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
d0c6d424
MR
2765 -msoft-float) echo --float_support=vfplib ;;
2766 -O[0-3]|-mf=*) echo $flag ;;
2767 -g) echo -g -mn ;;
2768 -pds=*) echo $flag ;;
ad93dccb
MR
2769 -D*|-I*) echo $flag ;;
2770 --gcc|--abi=*) echo $flag ;;
2771 -me) echo $flag ;;
d0c6d424
MR
2772 esac
2773 done
2774}
2775
a758c5e2
MR
2776probe_cc(){
2777 pfx=$1
2778 _cc=$2
2779
8db73c61
MR
2780 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2781 unset _ld_o _ldflags _ld_lib _ld_path
18031c49 2782 unset _depflags _DEPCMD _DEPFLAGS
a758c5e2
MR
2783 _flags_filter=echo
2784
2785 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2786 _type=llvm_gcc
2787 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2788 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2789 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2790 _cflags_speed='-O3'
2791 _cflags_size='-Os'
2792 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2793 _type=gcc
2794 gcc_version=$($_cc --version | head -n1)
2795 gcc_basever=$($_cc -dumpversion)
2796 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2797 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2798 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2799 if ! $_cc -dumpversion | grep -q '^2\.'; then
2800 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2801 fi
2802 _cflags_speed='-O3'
2803 _cflags_size='-Os'
b2d688ea 2804 elif $_cc --version 2>/dev/null | grep -q ^icc; then
a758c5e2
MR
2805 _type=icc
2806 _ident=$($_cc --version | head -n1)
2807 _depflags='-MMD'
2808 _cflags_speed='-O3'
2809 _cflags_size='-Os'
2810 _cflags_noopt='-O1'
2811 elif $_cc -v 2>&1 | grep -q xlc; then
2812 _type=xlc
2813 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2814 _cflags_speed='-O5'
2815 _cflags_size='-O5 -qcompact'
2816 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2817 _type=ccc
2818 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2819 _DEPFLAGS='-M'
a758c5e2
MR
2820 _cflags_speed='-fast'
2821 _cflags_size='-O1'
457cc333 2822 _flags_filter=ccc_flags
4936ef64 2823 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
a758c5e2
MR
2824 test -d "$sysroot" || die "No valid sysroot specified."
2825 _type=armcc
ed6d9ce9 2826 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
a758c5e2
MR
2827 armcc_conf="$PWD/armcc.conf"
2828 $_cc --arm_linux_configure \
2829 --arm_linux_config_file="$armcc_conf" \
2830 --configure_sysroot="$sysroot" \
2831 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2832 die "Error creating armcc configuration file."
2833 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2834 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2835 as_default="${cross_prefix}gcc"
2836 _depflags='-MMD'
2837 _cflags_speed='-O3'
2838 _cflags_size='-Os'
0122118e 2839 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
a758c5e2
MR
2840 _type=tms470
2841 _ident=$($_cc -version | head -n1 | tr -s ' ')
2842 _flags='--gcc --abi=eabi -me'
18031c49 2843 _cc_e='-ppl -fe=$@'
a758c5e2 2844 _cc_o='-fe=$@'
a758c5e2
MR
2845 _depflags='-ppa -ppd=$(@:.o=.d)'
2846 _cflags_speed='-O3 -mf=5'
2847 _cflags_size='-O3 -mf=2'
2848 _flags_filter=tms470_flags
2849 elif $_cc -v 2>&1 | grep -q clang; then
2850 _type=clang
2851 _ident=$($_cc --version | head -n1)
9e057f53 2852 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
a758c5e2
MR
2853 _cflags_speed='-O3'
2854 _cflags_size='-Os'
2855 elif $_cc -V 2>&1 | grep -q Sun; then
2856 _type=suncc
2857 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2858 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
c72f12cb 2859 _DEPFLAGS='-xM1 -xc99'
a758c5e2
MR
2860 _ldflags='-std=c99'
2861 _cflags_speed='-O5'
2862 _cflags_size='-O5 -xspace'
2863 _flags_filter=suncc_flags
2864 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2865 _type=pathscale
2866 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2867 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2868 _cflags_speed='-O2'
2869 _cflags_size='-Os'
2870 _flags_filter='filter_out -Wdisabled-optimization'
2871 elif $_cc -v 2>&1 | grep -q Open64; then
2872 _type=open64
2873 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2874 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2875 _cflags_speed='-O2'
2876 _cflags_size='-Os'
2877 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2878 elif $_cc -V 2>&1 | grep -q Portland; then
2879 _type=pgi
2880 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
8f23907f 2881 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
a758c5e2
MR
2882 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2883 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2884 _cflags_noopt="-O1"
2885 _flags_filter=pgi_flags
dfa559bc
RB
2886 elif $_cc 2>&1 | grep -q Microsoft; then
2887 _type=msvc
2888 _ident=$($cc 2>&1 | head -n1)
2889 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2890 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2891 _cflags_speed="-O2"
2892 _cflags_size="-O1"
dfa559bc 2893 if $_cc 2>&1 | grep -q Linker; then
ea9f7173 2894 _ld_o='-out:$@'
dfa559bc
RB
2895 else
2896 _ld_o='-Fe$@'
2897 fi
ea9f7173
MS
2898 _cc_o='-Fo$@'
2899 _cc_e='-P -Fi$@'
dfa559bc
RB
2900 _flags_filter=msvc_flags
2901 _ld_lib='lib%.a'
2902 _ld_path='-libpath:'
2903 _flags='-nologo'
09f2581d 2904 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
dfa559bc 2905 if [ $pfx = hostcc ]; then
6a0200f2 2906 append _cflags -Dsnprintf=_snprintf
dfa559bc 2907 fi
322e4194
AS
2908 elif $_cc 2>&1 | grep -q Intel; then
2909 _type=icl
2910 _ident=$($cc 2>&1 | head -n1)
2911 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
ace87c19
DB
2912 # Not only is O3 broken on 13.x+ but it is slower on all previous
2913 # versions (tested) as well.
322e4194
AS
2914 _cflags_speed="-O2"
2915 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
322e4194 2916 if $_cc 2>&1 | grep -q Linker; then
ea9f7173 2917 _ld_o='-out:$@'
322e4194
AS
2918 else
2919 _ld_o='-Fe$@'
2920 fi
ea9f7173 2921 _cc_o='-Fo$@'
322e4194 2922 _cc_e='-P'
14fb9d3d 2923 _flags_filter=icl_flags
322e4194
AS
2924 _ld_lib='lib%.a'
2925 _ld_path='-libpath:'
ace87c19 2926 # -Qdiag-error to make icl error when seeing certain unknown arguments
60f09c04 2927 _flags='-nologo -Qdiag-error:4044,10157'
ace87c19
DB
2928 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
2929 # with MSVC which enables it by default.
e0d6e2fc 2930 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
322e4194
AS
2931 if [ $pfx = hostcc ]; then
2932 append _cflags -Dsnprintf=_snprintf
2933 fi
e5d45e02
LB
2934 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
2935 _type=cparser
2936 _ident=$($_cc --version | head -n1)
2937 _depflags='-MMD'
2938 _cflags_speed='-O4'
2939 _cflags_size='-O2'
2940 _flags_filter=cparser_flags
aef6bd1b 2941 fi
a758c5e2
MR
2942
2943 eval ${pfx}_type=\$_type
2944 eval ${pfx}_ident=\$_ident
2945}
2946
2947set_ccvars(){
23565c26 2948 eval ${1}_C=\${_cc_c-\${${1}_C}}
18031c49 2949 eval ${1}_E=\${_cc_e-\${${1}_E}}
a758c5e2
MR
2950 eval ${1}_O=\${_cc_o-\${${1}_O}}
2951
2952 if [ -n "$_depflags" ]; then
2953 eval ${1}_DEPFLAGS=\$_depflags
2954 else
2955 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2956 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2957 eval DEP${1}FLAGS=\$_flags
2958 fi
2959}
2960
2961probe_cc cc "$cc"
2962cflags_filter=$_flags_filter
2963cflags_speed=$_cflags_speed
2964cflags_size=$_cflags_size
2965cflags_noopt=$_cflags_noopt
2966add_cflags $_flags $_cflags
2967cc_ldflags=$_ldflags
2968set_ccvars CC
2969
2970probe_cc hostcc "$host_cc"
2971host_cflags_filter=$_flags_filter
a758c5e2 2972add_host_cflags $_flags $_cflags
a758c5e2 2973set_ccvars HOSTCC
629687f6 2974
851ffa80
MR
2975test -n "$cc_type" && enable $cc_type ||
2976 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 2977
75bafbac 2978: ${as_default:=$cc}
50567afa 2979: ${dep_cc_default:=$cc}
684b28e0 2980: ${ld_default:=$cc}
095792f2
MR
2981: ${host_ld_default:=$host_cc}
2982set_default ar as dep_cc ld host_ld
75800dce 2983
a758c5e2
MR
2984probe_cc as "$as"
2985asflags_filter=$_flags_filter
2986add_asflags $_flags $_cflags
2987set_ccvars AS
2988
2989probe_cc ld "$ld"
2990ldflags_filter=$_flags_filter
2991add_ldflags $_flags $_ldflags
2992test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2763587c 2993LD_O=${_ld_o-$LD_O}
8db73c61
MR
2994LD_LIB=${_ld_lib-$LD_LIB}
2995LD_PATH=${_ld_path-$LD_PATH}
a758c5e2 2996
095792f2
MR
2997probe_cc hostld "$host_ld"
2998host_ldflags_filter=$_flags_filter
2999add_host_ldflags $_flags $_ldflags
3000HOSTLD_O=${_ld_o-$HOSTLD_O}
3001
a758c5e2
MR
3002if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3003 probe_cc depcc "$dep_cc"
3004 CCDEP=${_DEPCMD:-$DEPCMD}
3005 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3006 DEPCCFLAGS=$_flags
3007fi
07dec06e 3008
3dbc777c
MR
3009if $ar 2>&1 | grep -q Microsoft; then
3010 arflags="-nologo"
3011 ar_o='-out:$@'
3012elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3013 arflags="rq"
3014 ar_o='$@'
4822ee3c
DB
3015elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3016 arflags='-Xany -r -c'
3017 ar_o='$@'
3dbc777c
MR
3018else
3019 arflags="rc"
3020 ar_o='$@'
3021fi
3022
7f32f40c 3023add_cflags $extra_cflags
2f2e6c7c 3024add_asflags $extra_cflags
7f32f40c 3025
154d432c
MR
3026if test -n "$sysroot"; then
3027 case "$cc_type" in
00ba041c 3028 gcc|llvm_gcc|clang)
467256f2 3029 add_cppflags --sysroot="$sysroot"
154d432c
MR
3030 add_ldflags --sysroot="$sysroot"
3031 ;;
6fec122a
MR
3032 tms470)
3033 add_cppflags -I"$sysinclude"
3034 add_ldflags --sysroot="$sysroot"
3035 ;;
154d432c
MR
3036 esac
3037fi
3038
d22c13a8 3039if test "$cpu" = host; then
ace87c19
DB
3040 enabled cross_compile &&
3041 die "--cpu=host makes no sense when cross-compiling."
d22c13a8
MR
3042
3043 case "$cc_type" in
613a4e3f 3044 gcc|llvm_gcc)
d22c13a8
MR
3045 check_native(){
3046 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
b695256e 3047 sed -n "/cc1.*$1=/{
27ce1be8
MR
3048 s/.*$1=\\([^ ]*\\).*/\\1/
3049 p
3050 q
3051 }" $TMPE
d22c13a8
MR
3052 }
3053 cpu=$(check_native -march || check_native -mcpu)
3054 ;;
3055 esac
3056
ace87c19
DB
3057 test "${cpu:-host}" = host &&
3058 die "--cpu=host not supported with compiler $cc"
d22c13a8
MR
3059fi
3060
e939cedd
MR
3061# Deal with common $arch aliases
3062case "$arch" in
5873b623
MR
3063 aarch64|arm64)
3064 arch="aarch64"
3065 ;;
e939cedd
MR
3066 arm*)
3067 arch="arm"
3068 ;;
2acda282 3069 mips*|IP*)
e939cedd
MR
3070 arch="mips"
3071 ;;
a6e9d649 3072 parisc*|hppa*)
e939cedd
MR
3073 arch="parisc"
3074 ;;
56203596 3075 "Power Macintosh"|ppc*|powerpc*)
e939cedd
MR
3076 arch="ppc"
3077 ;;
e939cedd
MR
3078 s390|s390x)
3079 arch="s390"
3080 ;;
3081 sh4|sh)
3082 arch="sh4"
3083 ;;
4cd217c0 3084 sun4u|sparc*)
e939cedd 3085 arch="sparc"
e939cedd 3086 ;;
c75848cd
DB
3087 tilegx|tile-gx)
3088 arch="tilegx"
3089 ;;
d33ed7b3 3090 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
e939cedd
MR
3091 arch="x86"
3092 ;;
3093esac
3094
851ffa80 3095is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 3096enable $arch
e939cedd 3097
df5cdc24 3098# Add processor-specific flags
9ebd45c2 3099if enabled aarch64; then
33db40f8
MR
3100
3101 case $cpu in
3102 armv*)
3103 cpuflags="-march=$cpu"
3104 ;;
3105 *)
3106 cpuflags="-mcpu=$cpu"
3107 ;;
3108 esac
3109
3110elif enabled alpha; then
3111
3112 cpuflags="-mcpu=$cpu"
3113
3114elif enabled arm; then
3115
1234c66a
MR
3116 check_arm_arch() {
3117 check_cpp_condition stddef.h \
3118 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3119 $cpuflags
3120 }
3121
3122 probe_arm_arch() {
3123 if check_arm_arch 4; then echo armv4;
3124 elif check_arm_arch 4T; then echo armv4t;
3125 elif check_arm_arch 5; then echo armv5;
3126 elif check_arm_arch 5E; then echo armv5e;
3127 elif check_arm_arch 5T; then echo armv5t;
3128 elif check_arm_arch 5TE; then echo armv5te;
3129 elif check_arm_arch 5TEJ; then echo armv5te;
3130 elif check_arm_arch 6; then echo armv6;
3131 elif check_arm_arch 6J; then echo armv6j;
3132 elif check_arm_arch 6K; then echo armv6k;
3133 elif check_arm_arch 6Z; then echo armv6z;
3134 elif check_arm_arch 6ZK; then echo armv6zk;
3135 elif check_arm_arch 6T2; then echo armv6t2;
3136 elif check_arm_arch 7; then echo armv7;
3137 elif check_arm_arch 7A 7_A; then echo armv7-a;
3138 elif check_arm_arch 7R 7_R; then echo armv7-r;
3139 elif check_arm_arch 7M 7_M; then echo armv7-m;
3140 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3141 elif check_arm_arch 8A 8_A; then echo armv8-a;
3142 fi
3143 }
3144
3145 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3146
33db40f8
MR
3147 case $cpu in
3148 armv*)
3149 cpuflags="-march=$cpu"
3150 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3151 ;;
3152 *)
3153 cpuflags="-mcpu=$cpu"
3154 case $cpu in
3155 cortex-a*) subarch=armv7a ;;
3156 cortex-r*) subarch=armv7r ;;
3157 cortex-m*) enable thumb; subarch=armv7m ;;
3158 arm11*) subarch=armv6 ;;
3159 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3160 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
1234c66a 3161 *) subarch=$(probe_arm_arch) ;;
33db40f8
MR
3162 esac
3163 ;;
3164 esac
3165
f0fe245b
MR
3166 case "$subarch" in
3167 armv5t*) enable fast_clz ;;
3168 armv[6-8]*) enable fast_clz fast_unaligned ;;
3169 esac
3170
33db40f8
MR
3171elif enabled avr32; then
3172
3173 case $cpu in
3174 ap7[02]0[0-2])
3175 subarch="avr32_ap"
3176 cpuflags="-mpart=$cpu"
3177 ;;
3178 ap)
3179 subarch="avr32_ap"
3180 cpuflags="-march=$cpu"
3181 ;;
3182 uc3[ab]*)
3183 subarch="avr32_uc"
3184 cpuflags="-mcpu=$cpu"
3185 ;;
3186 uc)
3187 subarch="avr32_uc"
3188 cpuflags="-march=$cpu"
3189 ;;
3190 esac
3191
3192elif enabled bfin; then
3193
3194 cpuflags="-mcpu=$cpu"
3195
3196elif enabled mips; then
3197
3198 cpuflags="-march=$cpu"
3199
5d54c126 3200elif enabled ppc; then
343aef9b 3201
606cc8af
DB
3202 disable ldbrx
3203
56348891
MR
3204 case $(tolower $cpu) in
3205 601|ppc601|powerpc601)
9dbd5c3d 3206 cpuflags="-mcpu=601"
64ad53ff 3207 disable altivec
9dbd5c3d 3208 ;;
56348891 3209 603*|ppc603*|powerpc603*)
9dbd5c3d 3210 cpuflags="-mcpu=603"
64ad53ff 3211 disable altivec
9dbd5c3d 3212 ;;
56348891 3213 604*|ppc604*|powerpc604*)
9dbd5c3d 3214 cpuflags="-mcpu=604"
64ad53ff 3215 disable altivec
9dbd5c3d 3216 ;;
56348891 3217 g3|75*|ppc75*|powerpc75*)
7f1fcaf0 3218 cpuflags="-mcpu=750"
64ad53ff 3219 disable altivec
9dbd5c3d 3220 ;;
56348891 3221 g4|745*|ppc745*|powerpc745*)
7f1fcaf0 3222 cpuflags="-mcpu=7450"
9dbd5c3d 3223 ;;
56348891 3224 74*|ppc74*|powerpc74*)
7f1fcaf0 3225 cpuflags="-mcpu=7400"
9dbd5c3d 3226 ;;
313f9fbf 3227 g5|970|ppc970|powerpc970)
7f1fcaf0 3228 cpuflags="-mcpu=970"
9dbd5c3d 3229 ;;
313f9fbf 3230 power[3-7]*)
7f1fcaf0 3231 cpuflags="-mcpu=$cpu"
313f9fbf 3232 ;;
56348891 3233 cell)
9dbd5c3d
MR
3234 cpuflags="-mcpu=cell"
3235 enable ldbrx
3236 ;;
4ab26cb4
DB
3237 e500mc)
3238 cpuflags="-mcpu=e500mc"
3239 disable altivec
3240 ;;
7b0b81a1
AL
3241 e500v2)
3242 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3243 disable altivec
54f78816 3244 disable dcbzl
7b0b81a1
AL
3245 ;;
3246 e500)
3247 cpuflags="-mcpu=8540 -mhard-float"
3248 disable altivec
54f78816 3249 disable dcbzl
7b0b81a1 3250 ;;
9dbd5c3d 3251 esac
343aef9b 3252
33db40f8
MR
3253elif enabled sparc; then
3254
3255 case $cpu in
3256 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3257 cpuflags="-mcpu=$cpu"
33db40f8
MR
3258 ;;
3259 ultrasparc*|niagara[234])
3260 cpuflags="-mcpu=$cpu"
3261 ;;
3262 esac
3263
343aef9b
MR
3264elif enabled x86; then
3265
9dbd5c3d
MR
3266 case $cpu in
3267 i[345]86|pentium)
3268 cpuflags="-march=$cpu"
3269 disable mmx
3270 ;;
f54b5505 3271 # targets that do NOT support nopl and conditional mov (cmov)
9dbd5c3d
MR
3272 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3273 cpuflags="-march=$cpu"
f54b5505 3274 disable i686
9dbd5c3d 3275 ;;
f54b5505 3276 # targets that do support nopl and conditional mov (cmov)
f2ce813e 3277 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
9dbd5c3d 3278 cpuflags="-march=$cpu"
f54b5505 3279 enable i686
9dbd5c3d
MR
3280 enable fast_cmov
3281 ;;
3282 # targets that do support conditional mov but on which it's slow
3283 pentium4|pentium4m|prescott|nocona)
3284 cpuflags="-march=$cpu"
f54b5505 3285 enable i686
9dbd5c3d
MR
3286 disable fast_cmov
3287 ;;
3288 esac
343aef9b 3289
343aef9b
MR
3290fi
3291
9ebd45c2
MR
3292if [ "$cpu" != generic ]; then
3293 add_cflags $cpuflags
3294 add_asflags $cpuflags
3295fi
df5cdc24 3296
993f2d0f
MR
3297# compiler sanity check
3298check_exec <<EOF
3299int main(void){ return 0; }
3300EOF
3301if test "$?" != 0; then
3302 echo "$cc is unable to create an executable file."
3303 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3304 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3305 echo "Only do this if you know what cross compiling means."
3306 fi
3307 die "C compiler test failed."
3308fi
3309
046f081b 3310add_cppflags -D_ISOC99_SOURCE
e9b9a2f8 3311check_cflags -std=c99
50a334e4 3312check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
3313#include <stdlib.h>
3314EOF
50a334e4 3315check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
3316#include <stdlib.h>
3317EOF
e9b9a2f8 3318
8267f936 3319add_host_cppflags -D_ISOC99_SOURCE
f0125de9 3320check_host_cflags -std=c99
0a6db2a2 3321check_host_cflags -Wall
8267f936 3322check_host_cflags -O3
f0125de9 3323
d4c99513
MR
3324check_64bit(){
3325 arch32=$1
3326 arch64=$2
3327 expr=$3
3328 check_code cc "" "int test[2*($expr) - 1]" &&
3329 subarch=$arch64 || subarch=$arch32
3330}
3331
b24dbcbd 3332case "$arch" in
d11cb13b 3333 aarch64|alpha|ia64)
2acda282
MR
3334 spic=$shared
3335 ;;
3336 mips)
3337 check_64bit mips mips64 '_MIPS_SIM > 1'
8a3c8627 3338 spic=$shared
b24dbcbd 3339 ;;
a6e9d649
MR
3340 parisc)
3341 check_64bit parisc parisc64 'sizeof(void *) > 4'
3342 spic=$shared
3343 ;;
56203596
MR
3344 ppc)
3345 check_64bit ppc ppc64 'sizeof(void *) > 4'