configure: Split some logical blocks off from CONFIG_LIST
[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(: ${foo%%bar}) 2> /dev/null
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24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
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43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
070c5d0f 47 echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
505dfb09 48 echo "Instead, install a working POSIX-compatible shell."
070c5d0f 49 echo "Disabling this configure test will create a broken Libav."
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50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
cde2d79a
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54 exit 1
55fi
56
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57test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
58
74c53c2d 59show_help(){
f69f51b3 60 cat <<EOF
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61Usage: configure [options]
62Options: [defaults in brackets after descriptions]
63
3b327a4b 64Help options:
06454877 65 --help print this message
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66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
77
78Standard options:
19bd477d 79 --logfile=FILE log tests and output to FILE [config.log]
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80 --disable-logging do not log configure debug information
81 --prefix=PREFIX install in PREFIX [$prefix]
82 --bindir=DIR install binaries in DIR [PREFIX/bin]
6291d7e4 83 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
f4ca970d 84 --docdir=DIR install documentation in DIR [PREFIX/share/doc/libav]
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85 --libdir=DIR install libs in DIR [PREFIX/lib]
86 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
87 --incdir=DIR install includes in DIR [PREFIX/include]
88 --mandir=DIR install man page in DIR [PREFIX/share/man]
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]
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96
97Configuration options:
98 --disable-static do not build static libraries [no]
99 --enable-shared build shared libraries [no]
100 --enable-small optimize for size instead of speed
101 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
102 --enable-gray enable full grayscale support (slower color)
103 --disable-swscale-alpha disable alpha channel support in swscale
844c6852 104 --disable-all disable building components, libraries and programs
3b327a4b 105
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106Program options:
107 --disable-programs do not build command line programs
6291d7e4 108 --disable-avconv disable avconv build
266463da 109 --disable-avplay disable avplay build
9e12f0bf 110 --disable-avprobe disable avprobe build
4d58e4cb 111 --disable-avserver disable avserver build
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112
113Component options:
114 --disable-doc do not build documentation
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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]
e417d80d 181 --enable-libcdio enable audio CD grabbing with libcdio
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182 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
183 and libraw1394 [no]
c547e5ff 184 --enable-libfaac enable AAC encoding via libfaac [no]
4f2b469d 185 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
a5b64584 186 --enable-libfreetype enable libfreetype [no]
c547e5ff 187 --enable-libgsm enable GSM de/encoding via libgsm [no]
3641b048 188 --enable-libilbc enable iLBC de/encoding via libilbc [no]
06454877 189 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
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190 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
191 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
192 --enable-libopencv enable video filtering via libopencv [no]
453c02f9 193 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
44617d6e 194 --enable-libopus enable Opus decoding via libopus [no]
7c922411 195 --enable-libpulse enable Pulseaudio input via libpulse [no]
0f943ce6 196 --enable-librtmp enable RTMP[E] support via librtmp [no]
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197 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
198 --enable-libspeex enable Speex de/encoding via libspeex [no]
06454877 199 --enable-libtheora enable Theora encoding via libtheora [no]
d89e738a 200 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
f502ff3f 201 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
c547e5ff 202 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
3f111804 203 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
84d3ff50 204 --enable-libwavpack enable wavpack encoding via libwavpack [no]
be7c3231 205 --enable-libwebp enable WebP encoding via libwebp [no]
06454877 206 --enable-libx264 enable H.264 encoding via x264 [no]
50ea9315 207 --enable-libx265 enable HEVC encoding via x265 [no]
de295976 208 --enable-libxavs enable AVS encoding via xavs [no]
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209 --enable-libxvid enable Xvid encoding via xvidcore,
210 native MPEG-4/Xvid encoder exists [no]
a060866f 211 --enable-openssl enable openssl [no]
45235ac4 212 --enable-x11grab enable X11 grabbing [no]
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213 --enable-zlib enable zlib [autodetect]
214
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215Toolchain options:
216 --arch=ARCH select architecture [$arch]
217 --cpu=CPU select the minimum required CPU (affects
218 instruction selection, may crash on older CPUs)
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219 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
220 --enable-cross-compile assume a cross-compiler is used
221 --sysroot=PATH root of cross-build tree
222 --sysinclude=PATH location of cross-build system headers
223 --target-os=OS compiler targets OS [$target_os]
224 --target-exec=CMD command to run executables on target
225 --target-path=DIR path to view of build directory on target
ba13606c 226 --target-samples=DIR path to samples directory on target
aeeb782c 227 --toolchain=NAME set tool defaults according to NAME
5926603a 228 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
06454877 229 --nm=NM use nm tool
121d78d0 230 --ar=AR use archive tool AR [$ar_default]
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231 --as=AS use assembler AS [$as_default]
232 --cc=CC use C compiler CC [$cc_default]
193cdd9a 233 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
06454877 234 --ld=LD use linker LD
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235 --pkg-config=PKGCONF use pkg-config PKGCONF [$pkg_config_default]
236 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
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237 --host-cc=HOSTCC use host C compiler HOSTCC
238 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
4cc4b33f 239 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
095792f2 240 --host-ld=HOSTLD use host linker HOSTLD
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241 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
242 --host-libs=HLIBS use libs HLIBS when linking for host
193cdd9a 243 --host-os=OS compiler host OS [$target_os]
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244 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
245 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
246 --extra-libs=ELIBS add ELIBS [$ELIBS]
247 --extra-version=STRING version string suffix []
193cdd9a 248 --optflags=OPTFLAGS override optimization-related compiler flags
06454877 249 --build-suffix=SUFFIX library name suffix []
3b327a4b 250 --enable-pic build position-independent code
193cdd9a 251 --enable-thumb compile for Thumb instruction set
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252 --enable-lto use link-time optimization
253
254Advanced options (experts only):
255 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
3b327a4b 256 --disable-symver disable symbol versioning
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257 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
258 --disable-safe-bitstream-reader
259 disable buffer boundary checking in bitreaders
260 (faster, but may crash)
261 --enable-memalign-hack emulate memalign, interferes with memory debuggers
b3c6ee19 262 --enable-sram allow use of on-chip SRAM
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263
264Optimization options (experts only):
c8a4ae00 265 --disable-asm disable all assembler optimizations
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266 --disable-altivec disable AltiVec optimizations
267 --disable-amd3dnow disable 3DNow! optimizations
268 --disable-amd3dnowext disable 3DNow! extended optimizations
269 --disable-mmx disable MMX optimizations
239fdf1b 270 --disable-mmxext disable MMXEXT optimizations
06454877 271 --disable-sse disable SSE optimizations
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272 --disable-sse2 disable SSE2 optimizations
273 --disable-sse3 disable SSE3 optimizations
06454877 274 --disable-ssse3 disable SSSE3 optimizations
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275 --disable-sse4 disable SSE4 optimizations
276 --disable-sse42 disable SSE4.2 optimizations
87f1355f 277 --disable-avx disable AVX optimizations
10b0161d 278 --disable-xop disable XOP optimizations
1b932eb1 279 --disable-fma3 disable FMA3 optimizations
79687079 280 --disable-fma4 disable FMA4 optimizations
4d6ee072 281 --disable-avx2 disable AVX2 optimizations
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282 --disable-armv5te disable armv5te optimizations
283 --disable-armv6 disable armv6 optimizations
284 --disable-armv6t2 disable armv6t2 optimizations
b3267559 285 --disable-vfp disable VFP optimizations
5ea20630 286 --disable-neon disable NEON optimizations
afb5ed55 287 --disable-inline-asm disable use of inline assembler
06454877 288 --disable-yasm disable use of yasm assembler
06454877 289
070c5d0f 290Developer options (useful when working on Libav itself):
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291 --disable-debug disable debugging symbols
292 --enable-debug=LEVEL set the debug level [$debuglevel]
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293 --disable-optimizations disable compiler optimizations
294 --enable-extra-warnings enable more compiler warnings
52b3cc60 295 --samples=PATH location of test samples for FATE, if not set use
9309bdfe 296 \$LIBAV_SAMPLES at make invocation time.
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297 --enable-neon-clobber-test check NEON registers for clobbering (should be
298 used only for debugging purposes)
7e4d9d5d
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299 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
300 should be used only for debugging purposes)
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301 --enable-random randomly enable/disable components
302 --disable-random
303 --enable-random=LIST randomly enable/disable specific components or
304 --disable-random=LIST component groups. LIST is a comma-separated list
305 of NAME[:PROB] entries where NAME is a component
306 (group) and PROB the probability associated with
307 NAME (default 0.5).
308 --random-seed=VALUE seed value for --enable/disable-random
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309
310NOTE: Object files are built at the place where configure is launched.
311EOF
60e8bc13 312 exit 0
74c53c2d 313}
cf9d24ad 314
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315quotes='""'
316
57bd82d4 317log(){
2270b4b2 318 echo "$@" >> $logfile
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319}
320
720c69da 321log_file(){
c8e9f801 322 log BEGIN $1
2270b4b2 323 pr -n -t $1 >> $logfile
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324 log END $1
325}
326
2ba042a7 327echolog(){
c8e9f801 328 log "$@"
57bd82d4 329 echo "$@"
2ba042a7
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330}
331
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332warn(){
333 log "WARNING: $*"
334 WARNINGS="${WARNINGS}WARNING: $*\n"
335}
336
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337die(){
338 echolog "$@"
339 cat <<EOF
d326cf7f 340
2ba042a7 341If you think configure made a mistake, make sure you are using the latest
4a6a21f5 342version from Git. If the latest version fails, report the problem to the
5045f6bd 343libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
2ba042a7 344EOF
e155a21a 345 if disabled logging; then
2ba042a7 346 cat <<EOF
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347Rerun configure with logging enabled (do not use --disable-logging), and
348include the log this produces with your report.
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349EOF
350 else
f69f51b3 351 cat <<EOF
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352Include the log file "$logfile" produced by configure as this will help
353solving the problem.
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354EOF
355 fi
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356 exit 1
357}
358
6c6007d6 359# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 360toupper(){
6c6007d6 361 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
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362}
363
4a5444db 364tolower(){
6c6007d6 365 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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366}
367
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368c_escape(){
369 echo "$*" | sed 's/["\\]/\\\0/g'
370}
371
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372sh_quote(){
373 v=$(echo "$1" | sed "s/'/'\\\\''/g")
d72c981c 374 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
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375 echo "$v"
376}
377
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378cleanws(){
379 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
380}
381
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382filter(){
383 pat=$1
384 shift
385 for v; do
98ef6079 386 eval "case $v in $pat) echo $v ;; esac"
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387 done
388}
389
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390filter_out(){
391 pat=$1
392 shift
393 for v; do
394 eval "case $v in $pat) ;; *) echo $v ;; esac"
395 done
396}
397
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398map(){
399 m=$1
400 shift
e0e335a0 401 for v; do eval $m; done
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402}
403
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404add_suffix(){
405 suffix=$1
406 shift
407 for v; do echo ${v}${suffix}; done
408}
409
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410set_all(){
411 value=$1
412 shift
413 for var in $*; do
414 eval $var=$value
415 done
416}
417
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418set_weak(){
419 value=$1
420 shift
421 for var; do
422 eval : \${$var:=$value}
423 done
424}
425
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426sanitize_var_name(){
427 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
428}
429
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430set_safe(){
431 var=$1
432 shift
f868b24d 433 eval $(sanitize_var_name "$var")='$*'
3f8040db
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434}
435
436get_safe(){
f868b24d 437 eval echo \$$(sanitize_var_name "$1")
3f8040db
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438}
439
799c9e9b 440pushvar(){
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441 for pvar in $*; do
442 eval level=\${${pvar}_level:=0}
443 eval ${pvar}_${level}="\$$pvar"
444 eval ${pvar}_level=$(($level+1))
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445 done
446}
447
448popvar(){
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MS
449 for pvar in $*; do
450 eval level=\${${pvar}_level:-0}
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451 test $level = 0 && continue
452 eval level=$(($level-1))
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453 eval $pvar="\${${pvar}_${level}}"
454 eval ${pvar}_level=$level
455 eval unset ${pvar}_${level}
799c9e9b
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456 done
457}
458
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459enable(){
460 set_all yes $*
461}
462
463disable(){
464 set_all no $*
465}
466
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467enable_weak(){
468 set_weak yes $*
469}
470
471disable_weak(){
472 set_weak no $*
473}
474
72702705 475enable_safe(){
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476 for var; do
477 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
478 done
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479}
480
481disable_safe(){
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482 for var; do
483 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
484 done
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485}
486
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487do_enable_deep(){
488 for var; do
489 enabled $var && continue
490 eval sel="\$${var}_select"
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491 eval sgs="\$${var}_suggest"
492 pushvar var sgs
f9d328da 493 enable_deep $sel
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494 popvar sgs
495 enable_deep_weak $sgs
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496 popvar var
497 done
498}
499
500enable_deep(){
501 do_enable_deep $*
502 enable $*
503}
504
72a43668 505enable_deep_weak(){
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506 for var; do
507 disabled $var && continue
508 pushvar var
509 do_enable_deep $var
510 popvar var
511 enable_weak $var
512 done
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513}
514
57bd82d4 515enabled(){
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516 test "${1#!}" = "$1" && op== || op=!=
517 eval test "x\$${1#!}" $op "xyes"
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518}
519
37970ebf 520disabled(){
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521 test "${1#!}" = "$1" && op== || op=!=
522 eval test "x\$${1#!}" $op "xno"
37970ebf
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523}
524
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525enabled_all(){
526 for opt; do
527 enabled $opt || return 1
528 done
529}
530
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531disabled_all(){
532 for opt; do
533 disabled $opt || return 1
534 done
535}
536
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537enabled_any(){
538 for opt; do
539 enabled $opt && return 0
540 done
541}
542
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543disabled_any(){
544 for opt; do
545 disabled $opt && return 0
546 done
f7b230a7 547 return 1
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548}
549
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550set_default(){
551 for opt; do
88268e94 552 eval : \${$opt:=\$${opt}_default}
c9d19248
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553 done
554}
555
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556is_in(){
557 value=$1
558 shift
559 for var in $*; do
560 [ $var = $value ] && return 0
561 done
562 return 1
563}
564
d4f8cecc 565do_check_deps(){
30fd06be 566 for cfg; do
3250003c 567 cfg="${cfg#!}"
799c9e9b
MR
568 enabled ${cfg}_checking && die "Circular dependency for $cfg."
569 disabled ${cfg}_checking && continue
570 enable ${cfg}_checking
d4f8cecc 571 append allopts $cfg
799c9e9b 572
30fd06be
MR
573 eval dep_all="\$${cfg}_deps"
574 eval dep_any="\$${cfg}_deps_any"
7ef3425f 575 eval dep_sel="\$${cfg}_select"
c510c7b5 576 eval dep_sgs="\$${cfg}_suggest"
3d7453e0
MR
577 eval dep_ifa="\$${cfg}_if"
578 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 579
3d7453e0 580 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
d4f8cecc 581 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
3d7453e0 582 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 583
3d7453e0
MR
584 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
585 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
6a702d4c
MR
586 enabled_all $dep_all || disable $cfg
587 enabled_any $dep_any || disable $cfg
7ef3425f 588 disabled_any $dep_sel && disable $cfg
799c9e9b 589
4ec45764 590 if enabled $cfg; then
f9d328da 591 enable_deep $dep_sel
c510c7b5 592 enable_deep_weak $dep_sgs
4ec45764
RP
593 fi
594
799c9e9b 595 disable ${cfg}_checking
30fd06be
MR
596 done
597}
598
d4f8cecc
MR
599check_deps(){
600 unset allopts
601
602 do_check_deps "$@"
603
604 for cfg in $allopts; do
605 enabled $cfg || continue
606 eval dep_extralibs="\$${cfg}_extralibs"
607 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
608 done
609}
610
44161118
MR
611print_config(){
612 pfx=$1
72cfcf41
MR
613 files=$2
614 shift 2
f454e879
MR
615 map 'eval echo "$v \${$v:-no}"' "$@" |
616 awk "BEGIN { split(\"$files\", files) }
617 {
618 c = \"$pfx\" toupper(\$1);
619 v = \$2;
620 sub(/yes/, 1, v);
621 sub(/no/, 0, v);
622 for (f in files) {
623 file = files[f];
624 if (file ~ /\\.h\$/) {
625 printf(\"#define %s %d\\n\", c, v) >>file;
626 } else if (file ~ /\\.asm\$/) {
627 printf(\"%%define %s %d\\n\", c, v) >>file;
628 } else if (file ~ /\\.mak\$/) {
d16c4aeb 629 n = -v ? \"\" : \"!\";
f454e879
MR
630 printf(\"%s%s=yes\\n\", n, c) >>file;
631 }
632 }
633 }"
57bd82d4
MR
634}
635
31c0121d 636print_enabled(){
31c0121d
MR
637 suf=$1
638 shift
639 for v; do
9eda2a85 640 enabled $v && printf "%s\n" ${v%$suf};
31c0121d
MR
641 done
642}
643
57bd82d4
MR
644append(){
645 var=$1
646 shift
57bd82d4
MR
647 eval "$var=\"\$$var $*\""
648}
649
60361817
MR
650prepend(){
651 var=$1
652 shift
653 eval "$var=\"$* \$$var\""
654}
655
50a334e4 656add_cppflags(){
cd52ec95 657 append CPPFLAGS "$@"
50a334e4
MR
658}
659
57bd82d4 660add_cflags(){
01d31e16 661 append CFLAGS $($cflags_filter "$@")
57bd82d4
MR
662}
663
2f2e6c7c 664add_asflags(){
01d31e16 665 append ASFLAGS $($asflags_filter "$@")
2f2e6c7c
MR
666}
667
57bd82d4 668add_ldflags(){
64933b6c 669 append LDFLAGS $($ldflags_filter "$@")
57bd82d4
MR
670}
671
0673ede9
VG
672add_stripflags(){
673 append STRIPFLAGS "$@"
674}
675
57bd82d4 676add_extralibs(){
64933b6c 677 prepend extralibs $($ldflags_filter "$@")
57bd82d4
MR
678}
679
4cc4b33f
DB
680add_host_cppflags(){
681 append host_cppflags "$@"
682}
683
6c3fa06a
MR
684add_host_cflags(){
685 append host_cflags $($host_cflags_filter "$@")
686}
687
688add_host_ldflags(){
689 append host_ldflags $($host_ldflags_filter "$@")
690}
691
84e65c76
MR
692add_compat(){
693 append compat_objs $1
694 shift
695 map 'add_cppflags -D$v' "$@"
696}
697
b0cfb663 698check_cmd(){
b3cb5d51 699 log "$@"
2270b4b2 700 "$@" >> $logfile 2>&1
b0cfb663
MR
701}
702
b2704a65
MR
703cc_o(){
704 eval printf '%s\\n' $CC_O
705}
706
18031c49
MR
707cc_e(){
708 eval printf '%s\\n' $CC_E
709}
710
dcd479c0 711check_cc(){
57bd82d4 712 log check_cc "$@"
2270b4b2 713 cat > $TMPC
720c69da 714 log_file $TMPC
23565c26 715 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
57bd82d4
MR
716}
717
718check_cpp(){
719 log check_cpp "$@"
2270b4b2 720 cat > $TMPC
720c69da 721 log_file $TMPC
18031c49 722 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
dcd479c0
MR
723}
724
df0d6341
MR
725as_o(){
726 eval printf '%s\\n' $AS_O
727}
728
f65883c8
MR
729check_as(){
730 log check_as "$@"
7fd90119
MR
731 cat > $TMPS
732 log_file $TMPS
733 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
f65883c8
MR
734}
735
575db883
DB
736check_inline_asm(){
737 log check_inline_asm "$@"
940f335a 738 name="$1"
3784e82e 739 code="$2"
940f335a 740 shift 2
49214f61 741 disable $name
7fd90119 742 check_cc "$@" <<EOF && enable $name
3784e82e 743void foo(void){ __asm__ volatile($code); }
940f335a
MR
744EOF
745}
746
c6ebc9fa
MR
747check_insn(){
748 log check_insn "$@"
749 check_inline_asm ${1}_inline "\"$2\""
750 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
751}
752
304d586d
LM
753check_yasm(){
754 log check_yasm "$@"
755 echo "$1" > $TMPS
756 log_file $TMPS
757 shift 1
758 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
759}
760
29b64b68
MR
761ld_o(){
762 eval printf '%s\\n' $LD_O
763}
764
dcd479c0 765check_ld(){
57bd82d4 766 log check_ld "$@"
66a1ccd7
MR
767 flags=$(filter_out '-l*' "$@")
768 libs=$(filter '-l*' "$@")
01d31e16 769 check_cc $($cflags_filter $flags) || return
64933b6c
MR
770 flags=$($ldflags_filter $flags)
771 libs=$($ldflags_filter $libs)
29b64b68 772 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
dcd479c0
MR
773}
774
52ccc4a0
DB
775print_include(){
776 hdr=$1
777 test "${hdr%.h}" = "${hdr}" &&
778 echo "#include $hdr" ||
779 echo "#include <$hdr>"
780}
781
5adc829e
MR
782check_code(){
783 log check_code "$@"
784 check=$1
785 headers=$2
786 code=$3
787 shift 3
788 {
789 for hdr in $headers; do
52ccc4a0 790 print_include $hdr
5adc829e
MR
791 done
792 echo "int main(void) { $code; return 0; }"
793 } | check_$check "$@"
794}
795
50a334e4
MR
796check_cppflags(){
797 log check_cppflags "$@"
caf458dd 798 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
799int x;
800EOF
801}
802
23157d72
DB
803test_cflags(){
804 log test_cflags "$@"
01d31e16 805 set -- $($cflags_filter "$@")
23157d72 806 check_cc "$@" <<EOF
dcd479c0
MR
807int x;
808EOF
809}
810
23157d72
DB
811check_cflags(){
812 log check_cflags "$@"
813 test_cflags "$@" && add_cflags "$@"
814}
815
2ed46eea
MR
816test_ldflags(){
817 log test_ldflags "$@"
818 check_ld "$@" <<EOF
c23a0ac8 819int main(void){ return 0; }
dcd479c0
MR
820EOF
821}
822
2ed46eea
MR
823check_ldflags(){
824 log check_ldflags "$@"
825 test_ldflags "$@" && add_ldflags "$@"
826}
827
0673ede9
VG
828test_stripflags(){
829 log test_stripflags "$@"
830 # call check_cc to get a fresh TMPO
831 check_cc <<EOF
832int main(void) { return 0; }
833EOF
834 check_cmd $strip $STRIPFLAGS "$@" $TMPO
835}
836
837check_stripflags(){
838 log check_stripflags "$@"
839 test_stripflags "$@" && add_stripflags "$@"
840}
841
dcd479c0 842check_header(){
57bd82d4 843 log check_header "$@"
dcd479c0
MR
844 header=$1
845 shift
b77df637
MR
846 disable_safe $header
847 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
848#include <$header>
849int x;
850EOF
851}
852
853check_func(){
57bd82d4 854 log check_func "$@"
dcd479c0
MR
855 func=$1
856 shift
d8bc5f06
MR
857 disable $func
858 check_ld "$@" <<EOF && enable $func
dcd479c0 859extern int $func();
c23a0ac8 860int main(void){ $func(); }
dcd479c0
MR
861EOF
862}
863
645d2652 864check_mathfunc(){
6b73c0ae 865 log check_mathfunc "$@"
645d2652 866 func=$1
1aa07aa2
MR
867 narg=$2
868 shift 2
869 test $narg = 2 && args="f, g" || args="f"
645d2652
MR
870 disable $func
871 check_ld "$@" <<EOF && enable $func
872#include <math.h>
1aa07aa2 873float foo(float f, float g) { return $func($args); }
33bd38db 874int main(void){ return 0; }
645d2652
MR
875EOF
876}
877
2446d3d6
DB
878check_func_headers(){
879 log check_func_headers "$@"
f8d7b072 880 headers=$1
edaf1ae2 881 funcs=$2
f8d7b072 882 shift 2
edaf1ae2
MR
883 {
884 for hdr in $headers; do
52ccc4a0 885 print_include $hdr
edaf1ae2
MR
886 done
887 for func in $funcs; do
888 echo "long check_$func(void) { return (long) $func; }"
889 done
890 echo "int main(void) { return 0; }"
891 } | check_ld "$@" && enable $funcs && enable_safe $headers
f8d7b072
MR
892}
893
a5344cf7
SS
894check_cpp_condition(){
895 log check_cpp_condition "$@"
896 header=$1
897 condition=$2
f855b7b9 898 shift 2
cd52ec95 899 check_cpp "$@" <<EOF
a5344cf7
SS
900#include <$header>
901#if !($condition)
902#error "unsatisfied condition: $condition"
903#endif
904EOF
905}
906
57bd82d4
MR
907check_lib(){
908 log check_lib "$@"
909 header="$1"
910 func="$2"
911 shift 2
84400e9d 912 check_header $header && check_func $func "$@" && add_extralibs "$@"
57bd82d4
MR
913}
914
f8d7b072
MR
915check_lib2(){
916 log check_lib2 "$@"
917 headers="$1"
edaf1ae2 918 funcs="$2"
f8d7b072 919 shift 2
edaf1ae2 920 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
f8d7b072
MR
921}
922
3f8040db
MR
923check_pkg_config(){
924 log check_pkg_config "$@"
925 pkg="$1"
926 headers="$2"
927 funcs="$3"
928 shift 3
7f9e893f 929 check_cmd $pkg_config --exists --print-errors $pkg || return
390acbea
LB
930 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
931 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
3f8040db
MR
932 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
933 set_safe ${pkg}_cflags $pkg_cflags &&
934 set_safe ${pkg}_libs $pkg_libs
935}
936
dcd479c0 937check_exec(){
2270b4b2 938 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
939}
940
7dfef245 941check_exec_crash(){
5e622c40 942 code=$(cat)
7dfef245
MR
943
944 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
945 # are safe but may not be available everywhere. Thus we use
946 # raise(SIGTERM) instead. The check is run in a subshell so we
947 # can redirect the "Terminated" message from the shell. SIGBUS
948 # is not defined by standard C so it is used conditionally.
949
2270b4b2 950 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
951#include <signal.h>
952static void sighandler(int sig){
953 raise(SIGTERM);
954}
692dd8ed
MR
955int foo(void){
956 $code
957}
9495cd17 958int (*func_ptr)(void) = foo;
e5af4a11 959int main(void){
7dfef245
MR
960 signal(SIGILL, sighandler);
961 signal(SIGFPE, sighandler);
962 signal(SIGSEGV, sighandler);
963#ifdef SIGBUS
964 signal(SIGBUS, sighandler);
965#endif
9495cd17 966 return func_ptr();
7dfef245
MR
967}
968EOF
969}
970
72be9e73
DY
971check_type(){
972 log check_type "$@"
973 headers=$1
974 type=$2
975 shift 2
ae550ce9 976 disable_safe "$type"
5adc829e 977 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
72be9e73
DY
978}
979
14d36751 980check_struct(){
813b82b9 981 log check_struct "$@"
14d36751
MR
982 headers=$1
983 struct=$2
984 member=$3
985 shift 3
986 disable_safe "${struct}_${member}"
5adc829e
MR
987 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
988 enable_safe "${struct}_${member}"
14d36751
MR
989}
990
9c7d85b3
DB
991check_builtin(){
992 log check_builtin "$@"
993 name=$1
994 headers=$2
995 builtin=$3
996 shift 3
997 disable "$name"
998 check_code ld "$headers" "$builtin" "$@" && enable "$name"
999}
1000
e854b8f9
AK
1001check_compile_assert(){
1002 log check_compile_assert "$@"
1003 name=$1
1004 headers=$2
1005 condition=$3
1006 shift 3
1007 disable "$name"
1008 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1009}
1010
57bd82d4
MR
1011require(){
1012 name="$1"
1013 header="$2"
1014 func="$3"
1015 shift 3
1016 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
1017}
1018
f8d7b072
MR
1019require2(){
1020 name="$1"
1021 headers="$2"
1022 func="$3"
1023 shift 3
1024 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1025}
1026
3f8040db
MR
1027require_pkg_config(){
1028 pkg="$1"
1029 check_pkg_config "$@" || die "ERROR: $pkg not found"
1030 add_cflags $(get_safe ${pkg}_cflags)
1031 add_extralibs $(get_safe ${pkg}_libs)
1032}
1033
27565164
DB
1034hostcc_e(){
1035 eval printf '%s\\n' $HOSTCC_E
1036}
1037
ae43c4c0
MR
1038hostcc_o(){
1039 eval printf '%s\\n' $HOSTCC_O
1040}
1041
f0125de9
MR
1042check_host_cc(){
1043 log check_host_cc "$@"
1044 cat > $TMPC
1045 log_file $TMPC
ae43c4c0 1046 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
f0125de9
MR
1047}
1048
27565164
DB
1049check_host_cpp(){
1050 log check_host_cpp "$@"
1051 cat > $TMPC
1052 log_file $TMPC
1053 check_cmd $host_cc $HOSTCPPFLAGS $HOSTCFLAGS "$@" $(hostcc_e $TMPO) $TMPC
1054}
1055
4cc4b33f
DB
1056check_host_cppflags(){
1057 log check_host_cppflags "$@"
1058 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1059int x;
1060EOF
1061}
1062
f0125de9
MR
1063check_host_cflags(){
1064 log check_host_cflags "$@"
6c3fa06a 1065 set -- $($host_cflags_filter "$@")
f0125de9
MR
1066 check_host_cc "$@" <<EOF && append host_cflags "$@"
1067int x;
1068EOF
1069}
1070
27565164
DB
1071check_host_cpp_condition(){
1072 log check_host_cpp_condition "$@"
1073 header=$1
1074 condition=$2
1075 shift 2
1076 check_host_cpp "$@" <<EOF
1077#include <$header>
1078#if !($condition)
1079#error "unsatisfied condition: $condition"
1080#endif
1081EOF
1082}
1083
c505dd31
MR
1084apply(){
1085 file=$1
1086 shift
1087 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1088}
1089
c34681df 1090cp_if_changed(){
5e27ec28
MR
1091 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1092 mkdir -p "$(dirname $2)"
4ebc6a74 1093 $cp_f "$1" "$2"
c34681df
MR
1094}
1095
dcd61286
DB
1096# CONFIG_LIST contains configurable options, while HAVE_LIST is for
1097# system-dependent things.
1098
4a0d6686
AJ
1099COMPONENT_LIST="
1100 bsfs
1101 decoders
1102 demuxers
1103 encoders
3cde40aa 1104 filters
5666fd73 1105 hwaccels
c552605c 1106 indevs
4a0d6686 1107 muxers
c552605c 1108 outdevs
4a0d6686
AJ
1109 parsers
1110 protocols
1111"
1112
ab81f24a 1113EXAMPLE_LIST="
b339182e 1114 avcodec_example
e7dfaf16 1115 filter_audio_example
b339182e 1116 metadata_example
ab81f24a 1117 output_example
10421bcf 1118 transcode_aac_example
ab81f24a
DB
1119"
1120
3fc09b00
MR
1121EXTERNAL_LIBRARY_LIST="
1122 avisynth
1123 bzlib
1124 frei0r
1125 gnutls
1126 libcdio
1127 libdc1394
1128 libfaac
1129 libfdk_aac
1130 libfreetype
1131 libgsm
1132 libilbc
1133 libmp3lame
1134 libopencore_amrnb
1135 libopencore_amrwb
1136 libopencv
1137 libopenjpeg
1138 libopus
1139 libpulse
1140 librtmp
1141 libschroedinger
1142 libspeex
1143 libtheora
1144 libvo_aacenc
1145 libvo_amrwbenc
1146 libvorbis
1147 libvpx
84d3ff50 1148 libwavpack
be7c3231 1149 libwebp
3fc09b00 1150 libx264
50ea9315 1151 libx265
3fc09b00
MR
1152 libxavs
1153 libxvid
1154 openssl
1155 x11grab
1156 zlib
1157"
1158
d0adf55c
DB
1159FEATURE_LIST="
1160 gray
1161 hardcoded_tables
1162 runtime_cpudetect
1163 safe_bitstream_reader
1164 shared
1165 small
1166 sram
1167 static
1168 swscale_alpha
1169"
1170
70b348ec
DB
1171HWACCEL_LIST="
1172 dxva2
1173 vaapi
1174 vda
1175 vdpau
1176"
7caf48e0 1177
d89f2fa9
DB
1178LIBRARY_LIST="
1179 avcodec
1180 avdevice
1181 avfilter
1182 avformat
1183 avresample
1184 avutil
1185 swscale
1186"
1187
d0adf55c
DB
1188LICENSE_LIST="
1189 gpl
1190 nonfree
1191 version3
1192"
1193
055c61b8
DB
1194PROGRAM_LIST="
1195 avconv
1196 avplay
1197 avprobe
1198 avserver
055c61b8
DB
1199"
1200
d0adf55c 1201SUBSYSTEM_LIST="
7f3f5f46 1202 dct
4da3f410 1203 doc
0b499c9b 1204 error_resilience
1848f7d9 1205 fft
b781cc12 1206 lsp
2a91ada8 1207 lzo
47a158cb 1208 mdct
d0adf55c
DB
1209 network
1210 rdft
1211"
1212
1213CONFIG_LIST="
1214 $COMPONENT_LIST
1215 $EXAMPLE_LIST
1216 $EXTERNAL_LIBRARY_LIST
1217 $FEATURE_LIST
1218 $HWACCEL_LIST
1219 $LICENSE_LIST
1220 $LIBRARY_LIST
1221 $PROGRAM_LIST
1222 $SUBSYSTEM_LIST
c88f5d72 1223 memalign_hack
44a0a98f 1224 neon_clobber_test
8a3c8627 1225 pic
7caf48e0 1226 pod2man
f187557a 1227 texi2html
8986fddc 1228 thumb
7e4d9d5d 1229 xmm_clobber_test
4a0d6686 1230"
c88f5d72 1231
7caf48e0 1232THREADS_LIST="
8eee7025
DB
1233 pthreads
1234 w32threads
7caf48e0 1235"
8eee7025 1236
7caf48e0 1237ATOMICS_LIST="
f9f6402e 1238 atomics_gcc
f9f6402e 1239 atomics_suncc
93e65e9a 1240 atomics_win32
7caf48e0 1241"
f9f6402e 1242
7caf48e0 1243ARCH_LIST="
5873b623 1244 aarch64
3f5b56e5 1245 alpha
a2fc0f6a 1246 arm
fdcd782d
MR
1247 avr32
1248 avr32_ap
1249 avr32_uc
3f5b56e5
MR
1250 bfin
1251 ia64
1252 m68k
1253 mips
bae3abb0 1254 mips64
3f5b56e5 1255 parisc
79cb09b2 1256 ppc
34d11b87 1257 ppc64
3f5b56e5
MR
1258 s390
1259 sh4
1260 sparc
1261 sparc64
c75848cd
DB
1262 tilegx
1263 tilepro
0844bae1 1264 tomi
3f5b56e5
MR
1265 x86
1266 x86_32
1267 x86_64
7caf48e0 1268"
3f5b56e5 1269
7caf48e0 1270ARCH_EXT_LIST_ARM="
81dfa21e
MR
1271 armv5te
1272 armv6
1273 armv6t2
81dfa21e 1274 neon
b3267559 1275 vfp
81dfa21e 1276 vfpv3
7caf48e0 1277"
81dfa21e 1278
7caf48e0 1279ARCH_EXT_LIST_X86_SIMD="
3bf96eec 1280 amd3dnow
a1ef9f08 1281 amd3dnowext
50cd43f2 1282 avx
4d6ee072 1283 avx2
1b932eb1 1284 fma3
50cd43f2
DB
1285 fma4
1286 mmx
1287 mmxext
1288 sse
1289 sse2
1290 sse3
1291 sse4
1292 sse42
1293 ssse3
7caf48e0
DB
1294 xop
1295"
50cd43f2 1296
84bf8817
DB
1297ARCH_EXT_LIST_X86="
1298 $ARCH_EXT_LIST_X86_SIMD
1299 cpunop
1300 i686
1301"
1302
50cd43f2 1303ARCH_EXT_LIST="
81dfa21e 1304 $ARCH_EXT_LIST_ARM
50cd43f2
DB
1305 $ARCH_EXT_LIST_X86
1306 altivec
799fde37 1307 ppc4xx
50cd43f2 1308"
3f5b56e5 1309
7caf48e0 1310HAVE_LIST_CMDLINE="
fd712a55
DB
1311 inline_asm
1312 symver
1313 yasm
7caf48e0 1314"
fd712a55 1315
7caf48e0 1316HAVE_LIST_PUB="
a3e02a8c 1317 bigendian
d268eee9 1318 fast_unaligned
7caf48e0 1319"
a3e02a8c 1320
79042ab3 1321MATH_FUNCS="
fab0a8b2
MR
1322 atanf
1323 atan2f
79042ab3 1324 cbrtf
fab0a8b2 1325 cosf
79042ab3
DB
1326 exp2
1327 exp2f
fab0a8b2 1328 expf
79042ab3
DB
1329 isinf
1330 isnan
fab0a8b2 1331 ldexpf
79042ab3
DB
1332 llrint
1333 llrintf
1334 log2
1335 log2f
fab0a8b2 1336 log10f
79042ab3
DB
1337 lrint
1338 lrintf
fab0a8b2 1339 powf
79042ab3
DB
1340 rint
1341 round
1342 roundf
fab0a8b2 1343 sinf
79042ab3
DB
1344 trunc
1345 truncf
1346"
1347
3f5b56e5
MR
1348HAVE_LIST="
1349 $ARCH_EXT_LIST
43b73d59
DB
1350 $(add_suffix _external $ARCH_EXT_LIST)
1351 $(add_suffix _inline $ARCH_EXT_LIST)
7caf48e0 1352 $ATOMICS_LIST
fd712a55 1353 $HAVE_LIST_CMDLINE
a3e02a8c 1354 $HAVE_LIST_PUB
79042ab3 1355 $MATH_FUNCS
7caf48e0 1356 $THREADS_LIST
be1a839c 1357 aligned_malloc
59782b82 1358 aligned_stack
35fd8122 1359 alsa_asoundlib_h
3f5b56e5 1360 altivec_h
c9fdab0d 1361 arpa_inet_h
ec9d2c15 1362 asm_mod_q
817dff57 1363 atomic_cas_ptr
f9f6402e 1364 atomics_native
dffb41b9 1365 attribute_may_alias
e7ea5e3d 1366 attribute_packed
43e0e0c4
LB
1367 cdio_paranoia_h
1368 cdio_paranoia_paranoia_h
ecf97f22 1369 closesocket
15caccb9 1370 CommandLineToArgvW
1093383d 1371 CryptGenRandom
c88f5d72 1372 dcbzl
f8aa696f
DB
1373 dev_bktr_ioctl_bt848_h
1374 dev_bktr_ioctl_meteor_h
1375 dev_ic_bt8xx_h
f8aa696f 1376 dev_video_bktr_ioctl_bt848_h
3e0b1c9a 1377 dev_video_meteor_ioctl_meteor_h
ca6b544a 1378 direct_h
18b67ae5 1379 dlfcn_h
c88f5d72 1380 dlopen
bc574408 1381 dos_paths
fa845061 1382 dxva_h
245626d0
DB
1383 ebp_available
1384 ebx_available
c2a29455 1385 fast_64bit
669b5583 1386 fast_clz
7073e9fc 1387 fast_cmov
534a2231 1388 fcntl
e854b8f9 1389 flt_lim
9d99cc5a 1390 fork
84882df6 1391 getaddrinfo
da9e86f8 1392 gethrtime
667fb97a 1393 getopt
02e8f427 1394 GetProcessAffinityMask
fc5607f8 1395 GetProcessMemoryInfo
4e68cb8a 1396 GetProcessTimes
66be5b45 1397 getrusage
c3e73100 1398 getservbyport
7caf48e0 1399 GetSystemTimeAsFileTime
61183b5a 1400 gettimeofday
a49d3025 1401 gnu_as
c7df1532 1402 gsm_h
2f0c136e 1403 ibm_asm
2e1913b1 1404 inet_aton
ef5b70af 1405 inline_asm_labels
7caf48e0 1406 io_h
abfc8d05 1407 isatty
8772997d 1408 jack_port_get_latency_range
9f5ff83f 1409 ldbrx
d64341e4 1410 libc_msvcrt
0b4a1821
AS
1411 libdc1394_1
1412 libdc1394_2
d96cd429
MR
1413 local_aligned_16
1414 local_aligned_8
a5b64584 1415 localtime_r
85dd97ad 1416 loongson
c708b540
JG
1417 mach_absolute_time
1418 mach_mach_time_h
f8aa696f
DB
1419 machine_ioctl_bt848_h
1420 machine_ioctl_meteor_h
65f1d45d 1421 machine_rw_barrier
c88f5d72 1422 malloc_h
73f6d31e 1423 MapViewOfFile
c88f5d72 1424 memalign
65f1d45d 1425 MemoryBarrier
6ffa87d3 1426 mkstemp
f80ddd5b 1427 mm_empty
0328b9ea 1428 mmap
e98b02de 1429 mprotect
d3d3a32c 1430 nanosleep
3e0b1c9a 1431 poll_h
1f91cdce 1432 posix_memalign
3a7050ff 1433 pragma_deprecated
07b28702 1434 rdtsc
ea4d5f48 1435 sched_getaffinity
c88f5d72 1436 sdl
7e6a11bc 1437 SetConsoleTextAttribute
b507ebd1 1438 setmode
3e0b1c9a 1439 setrlimit
d3d3a32c 1440 Sleep
15d59d2c 1441 sndio_h
72be9e73 1442 socklen_t
deb29777 1443 soundcard_h
87958234 1444 strerror_r
6379900c 1445 strptime
c0018613 1446 struct_addrinfo
75d339e0
MS
1447 struct_group_source_req
1448 struct_ip_mreq_source
b4d68544 1449 struct_ipv6_mreq
cdee08e3 1450 struct_pollfd
3e0b1c9a 1451 struct_rusage_ru_maxrss
b4d68544 1452 struct_sockaddr_in6
3b2372bf 1453 struct_sockaddr_sa_len
33a4dbdd 1454 struct_sockaddr_storage
a6a4793d 1455 struct_v4l2_frmivalenum_discrete
b462d132 1456 symver_asm_label
3e0b1c9a 1457 symver_gnu_asm
e460aa32 1458 sync_val_compare_and_swap
b58412f1 1459 sys_mman_h
06bb5905 1460 sys_param_h
b091aa44 1461 sys_resource_h
81644c2e 1462 sys_select_h
deb29777 1463 sys_soundcard_h
e64bceea 1464 sys_time_h
60538758 1465 sys_un_h
1b6e8b73 1466 sys_videoio_h
7caf48e0
DB
1467 sysconf
1468 sysctl
b265431e 1469 threads
542920b7 1470 unistd_h
d3d3a32c 1471 usleep
7671dd7c 1472 vdpau_x11
ce742de2 1473 vfp_args
7c5bfe7a 1474 VirtualAlloc
d3d3a32c 1475 windows_h
6ff3f3e7 1476 winsock2_h
cc078b5d 1477 xform_asm
7671dd7c 1478 xlib
6f74fb03 1479 xmm_clobbers
0cb78cef 1480"
44161118 1481
511cf612 1482# options emitted with CONFIG_ prefix but not available on the command line
b6bb00b0 1483CONFIG_EXTRA="
87849592 1484 aandcttables
bfe9f48a 1485 ac3dsp
aa11cb79 1486 audio_frame_queue
b93b27ed 1487 dsputil
bfe9f48a 1488 gcrypt
478fd534 1489 golomb
9cad0e4e 1490 gplv3
0338c396 1491 h263dsp
478fd534
DB
1492 h264chroma
1493 h264dsp
1494 h264pred
915a2a0a 1495 h264qpel
68d8238c 1496 hpeldsp
478fd534 1497 huffman
dc4d726b 1498 intrax8
9cad0e4e 1499 lgplv3
478fd534 1500 lpc
1e164c0b 1501 mpegaudio
bfe9f48a 1502 mpegaudiodsp
18bbca1f 1503 mpegvideo
ad08dfd5 1504 mpegvideoenc
bfe9f48a 1505 nettle
f704a079 1506 rangecoder
255d9c57 1507 riffdec
3dd5c95d 1508 riffenc
bfe9f48a 1509 rtpdec
5ad2f0bf 1510 rtpenc_chain
bfe9f48a 1511 sinewin
8c53d39e 1512 videodsp
ab9f9876 1513 vp3dsp
b6bb00b0
MR
1514"
1515
520cc7f1 1516CMDLINE_SELECT="
3f5b56e5 1517 $ARCH_EXT_LIST
520cc7f1 1518 $CONFIG_LIST
fd712a55 1519 $HAVE_LIST_CMDLINE
8eee7025 1520 $THREADS_LIST
c8a4ae00 1521 asm
db6107b6 1522 cross_compile
520cc7f1
MR
1523 debug
1524 extra_warnings
8c6afa4d 1525 logging
65d12900 1526 lto
d2bbb2f7 1527 optimizations
520cc7f1 1528"
426be5dc 1529
7caf48e0 1530PATHS_LIST="
d156bede 1531 bindir
14a8acf1 1532 datadir
f4ca970d 1533 docdir
26759c44
MR
1534 incdir
1535 libdir
26759c44
MR
1536 mandir
1537 prefix
1538 shlibdir
7caf48e0 1539"
426be5dc
DB
1540
1541CMDLINE_SET="
1542 $PATHS_LIST
121d78d0 1543 ar
426be5dc 1544 arch
313c46a6 1545 as
426be5dc
DB
1546 build_suffix
1547 cc
1548 cpu
1549 cross_prefix
50567afa 1550 dep_cc
ac63af34 1551 extra_version
9da6609f
MR
1552 host_cc
1553 host_cflags
095792f2 1554 host_ld
9da6609f
MR
1555 host_ldflags
1556 host_libs
82bb3329 1557 host_os
684b28e0 1558 ld
426be5dc 1559 logfile
4ae40685 1560 malloc_prefix
89641463 1561 nm
9cd7b854 1562 optflags
3f8040db 1563 pkg_config
390acbea 1564 pkg_config_flags
154caa67 1565 random_seed
2fad0977 1566 samples
c5200f17
MR
1567 sysinclude
1568 sysroot
a7ada2ba 1569 target_exec
26759c44 1570 target_os
a7ada2ba 1571 target_path
ba13606c 1572 target_samples
aeeb782c 1573 toolchain
426be5dc 1574"
520cc7f1 1575
89f2932b
MR
1576CMDLINE_APPEND="
1577 extra_cflags
4cc4b33f 1578 host_cppflags
89f2932b
MR
1579"
1580
912f3148
DB
1581# code dependency declarations
1582
9eeed841 1583# architecture extensions
808fa33c 1584
a2fc0f6a
MR
1585armv5te_deps="arm"
1586armv6_deps="arm"
ab5cb084 1587armv6t2_deps="arm"
b7b17ed6
JG
1588neon_deps_any="aarch64 arm"
1589vfp_deps_any="aarch64 arm"
b3267559 1590vfpv3_deps="vfp"
808fa33c 1591
637606de
MR
1592map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1593
808fa33c
MR
1594altivec_deps="ppc"
1595ppc4xx_deps="ppc"
1596
84146963
DB
1597cpunop_deps="i686"
1598x86_64_select="i686"
1599x86_64_suggest="fast_cmov"
50cd43f2 1600
808fa33c
MR
1601amd3dnow_deps="mmx"
1602amd3dnowext_deps="amd3dnow"
fb87e69f 1603i686_deps="x86"
9eeed841 1604mmx_deps="x86"
239fdf1b 1605mmxext_deps="mmx"
50cd43f2
DB
1606sse_deps="mmxext"
1607sse2_deps="sse"
1608sse3_deps="sse2"
1609ssse3_deps="sse3"
1610sse4_deps="ssse3"
1611sse42_deps="sse4"
1612avx_deps="sse42"
10b0161d 1613xop_deps="avx"
1b932eb1 1614fma3_deps="avx"
79687079 1615fma4_deps="avx"
4d6ee072 1616avx2_deps="avx"
9eeed841 1617
43b73d59
DB
1618mmx_external_deps="yasm"
1619mmx_inline_deps="inline_asm"
1620mmx_suggest="mmx_external mmx_inline"
1621
84bf8817 1622for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
43b73d59
DB
1623 eval dep=\$${ext}_deps
1624 eval ${ext}_external_deps='"${dep}_external"'
1625 eval ${ext}_inline_deps='"${dep}_inline"'
1626 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1627done
1628
032d4da8
JG
1629aligned_stack_if_any="aarch64 ppc x86"
1630fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1631fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1632fast_unaligned_if_any="aarch64 ppc x86"
669b5583 1633
3e0b1c9a 1634need_memalign="altivec neon sse"
89e053f8 1635
1a5fdf95
DB
1636# system capabilities
1637log2_deps="!libc_msvcrt"
1638
b462d132
MR
1639symver_if_any="symver_asm_label symver_gnu_asm"
1640
8558595a
DB
1641# threading support
1642atomics_gcc_if="sync_val_compare_and_swap"
1643atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1644atomics_win32_if="MemoryBarrier"
1645atomics_native_if_any="$ATOMICS_LIST"
874c751c 1646w32threads_deps="atomics_native"
8558595a
DB
1647threads_if_any="$THREADS_LIST"
1648
26fbcc85 1649# subsystems
dc609252 1650dct_select="rdft"
b93b27ed 1651error_resilience_select="dsputil"
26fbcc85
MR
1652mdct_select="fft"
1653rdft_select="fft"
1e164c0b 1654mpegaudio_select="mpegaudiodsp"
c4f5c2d6 1655mpegaudiodsp_select="dct"
f4fed5a2 1656mpegvideo_select="dsputil hpeldsp videodsp"
b5f112d8 1657mpegvideoenc_select="dsputil mpegvideo"
26fbcc85 1658
ed40b6bf 1659# decoders / encoders
cfc2a0cf 1660aac_decoder_select="mdct sinewin"
aa11cb79 1661aac_encoder_select="audio_frame_queue mdct sinewin"
136e19e1 1662aac_latm_decoder_select="aac_decoder aac_latm_parser"
b93b27ed
RB
1663ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
1664ac3_encoder_select="mdct ac3dsp dsputil"
1665ac3_fixed_encoder_select="mdct ac3dsp dsputil"
1232a164 1666aic_decoder_select="dsputil golomb"
f4d608e3 1667alac_encoder_select="lpc"
b93b27ed 1668als_decoder_select="dsputil"
b781cc12 1669amrnb_decoder_select="lsp"
2b2a597e 1670amrwb_decoder_select="lsp"
0a36988e 1671amv_decoder_select="sp5x_decoder"
b93b27ed
RB
1672ape_decoder_select="dsputil"
1673asv1_decoder_select="dsputil"
1674asv1_encoder_select="dsputil"
1675asv2_decoder_select="dsputil"
1676asv2_encoder_select="dsputil"
4538729a 1677atrac1_decoder_select="mdct sinewin"
26fbcc85 1678atrac3_decoder_select="mdct"
e6f0bb65 1679atrac3p_decoder_select="mdct sinewin"
0f0a11d5 1680bink_decoder_select="dsputil hpeldsp"
a33657ce
DB
1681binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1682binkaudio_rdft_decoder_select="mdct rdft sinewin"
b93b27ed
RB
1683cavs_decoder_select="dsputil golomb h264chroma videodsp"
1684cllc_decoder_select="dsputil"
9b500b8f 1685comfortnoise_encoder_select="lpc"
b93b27ed 1686cook_decoder_select="dsputil mdct sinewin"
2a91ada8 1687cscd_decoder_select="lzo"
2eef7c62 1688cscd_decoder_suggest="zlib"
26fbcc85 1689dca_decoder_select="mdct"
b93b27ed
RB
1690dnxhd_decoder_select="dsputil"
1691dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
1692dvvideo_decoder_select="dsputil"
1693dvvideo_encoder_select="dsputil"
61c31e4e 1694dxa_decoder_deps="zlib"
baf91bb9 1695eac3_decoder_select="ac3_decoder"
4264a0dd 1696eac3_encoder_select="ac3_encoder"
b93b27ed
RB
1697eamad_decoder_select="aandcttables dsputil mpegvideo"
1698eatgq_decoder_select="aandcttables dsputil"
bbb64356 1699eatqi_decoder_select="aandcttables dsputil error_resilience mpegvideo"
cd832f03
DB
1700ffv1_decoder_select="golomb rangecoder"
1701ffv1_encoder_select="rangecoder"
2f02bbcc
DB
1702ffvhuff_decoder_select="huffyuv_decoder"
1703ffvhuff_encoder_select="huffyuv_encoder"
cde7df25 1704fic_decoder_select="dsputil golomb"
4f034993 1705flac_decoder_select="golomb"
b93b27ed 1706flac_encoder_select="dsputil golomb lpc"
61c31e4e
DB
1707flashsv_decoder_deps="zlib"
1708flashsv_encoder_deps="zlib"
1709flashsv2_decoder_deps="zlib"
4414137e 1710flv_decoder_select="h263_decoder"
4d4b4bd1 1711flv_encoder_select="h263_encoder"
b93b27ed
RB
1712fourxm_decoder_select="dsputil"
1713fraps_decoder_select="dsputil huffman"
61c31e4e
DB
1714g2m_decoder_deps="zlib"
1715g2m_decoder_select="dsputil"
c292f6a2 1716h261_decoder_select="error_resilience mpegvideo"
ad08dfd5 1717h261_encoder_select="aandcttables mpegvideoenc"
0338c396
DB
1718h263_decoder_select="error_resilience h263_parser h263dsp mpegvideo"
1719h263_encoder_select="aandcttables h263dsp mpegvideoenc"
4414137e 1720h263i_decoder_select="h263_decoder"
fe629c2d 1721h263p_encoder_select="h263_encoder"
0b499c9b
RB
1722h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1723h264_decoder_suggest="error_resilience"
064698d3 1724hevc_decoder_select="dsputil golomb videodsp"
b93b27ed
RB
1725huffyuv_decoder_select="dsputil"
1726huffyuv_encoder_select="dsputil huffman"
34150be5 1727iac_decoder_select="imc_decoder"
b93b27ed 1728imc_decoder_select="dsputil fft mdct sinewin"
8f992dc8 1729indeo3_decoder_select="hpeldsp"
8071264f 1730interplay_video_decoder_select="hpeldsp"
8e0cf39f 1731jpegls_decoder_select="golomb mjpeg_decoder"
4f034993 1732jpegls_encoder_select="golomb"
b93b27ed
RB
1733jv_decoder_select="dsputil"
1734lagarith_decoder_select="dsputil"
ad08dfd5 1735ljpeg_encoder_select="aandcttables mpegvideoenc"
4f034993 1736loco_decoder_select="golomb"
b93b27ed 1737mdec_decoder_select="dsputil error_resilience mpegvideo"
3e589878 1738metasound_decoder_select="lsp mdct sinewin"
c1047003 1739mimic_decoder_select="dsputil hpeldsp"
28bc406c 1740mjpeg_decoder_select="dsputil hpeldsp"
6cd76e54 1741mjpeg_encoder_select="aandcttables mpegvideoenc"
7caf48e0 1742mjpegb_decoder_select="mjpeg_decoder"
9ecf1b62 1743mlp_decoder_select="mlp_parser"
b93b27ed 1744motionpixels_decoder_select="dsputil"
1e164c0b
DB
1745mp1_decoder_select="mpegaudio"
1746mp1float_decoder_select="mpegaudio"
1747mp2_decoder_select="mpegaudio"
1748mp2float_decoder_select="mpegaudio"
1749mp3_decoder_select="mpegaudio"
1750mp3adu_decoder_select="mpegaudio"
1751mp3adufloat_decoder_select="mpegaudio"
1752mp3float_decoder_select="mpegaudio"
1753mp3on4_decoder_select="mpegaudio"
1754mp3on4float_decoder_select="mpegaudio"
b93b27ed 1755mpc7_decoder_select="dsputil mpegaudiodsp"
88b24064 1756mpc8_decoder_select="mpegaudiodsp"
3e0b1c9a 1757mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
d767e2f9 1758mpeg_xvmc_decoder_select="mpeg2video_decoder"
c292f6a2 1759mpeg1video_decoder_select="error_resilience mpegvideo"
06b54e84 1760mpeg1video_encoder_select="aandcttables mpegvideoenc"
c292f6a2 1761mpeg2video_decoder_select="error_resilience mpegvideo"
06b54e84 1762mpeg2video_encoder_select="aandcttables mpegvideoenc"
3e0b1c9a
DB
1763mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1764mpeg4_encoder_select="h263_encoder"
4414137e 1765msmpeg4v1_decoder_select="h263_decoder"
4414137e 1766msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1767msmpeg4v2_encoder_select="h263_encoder"
4414137e 1768msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1769msmpeg4v3_encoder_select="h263_encoder"
06b54e84 1770mss2_decoder_select="error_resilience vc1_decoder"
8e0cf39f 1771mxpeg_decoder_select="mjpeg_decoder"
4538729a 1772nellymoser_decoder_select="mdct sinewin"
aa11cb79 1773nellymoser_encoder_select="audio_frame_queue mdct sinewin"
b93b27ed 1774nuv_decoder_select="dsputil lzo"
61c31e4e 1775png_decoder_deps="zlib"
61c31e4e
DB
1776png_encoder_deps="zlib"
1777png_encoder_select="dsputil"
b93b27ed
RB
1778prores_decoder_select="dsputil"
1779prores_encoder_select="dsputil"
b781cc12 1780qcelp_decoder_select="lsp"
c4f5c2d6 1781qdm2_decoder_select="mdct rdft mpegaudiodsp"
aa11cb79 1782ra_144_encoder_select="audio_frame_queue lpc"
9f43fdda 1783ralf_decoder_select="golomb"
0338c396 1784rv10_decoder_select="error_resilience h263_decoder h263dsp"
b2bf38b4 1785rv10_encoder_select="h263_encoder"
0338c396 1786rv20_decoder_select="error_resilience h263_decoder h263dsp"
b2bf38b4 1787rv20_encoder_select="h263_encoder"
870add0d
DB
1788rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1789rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
4f034993 1790shorten_decoder_select="golomb"
b781cc12 1791sipr_decoder_select="lsp"
8e0cf39f 1792sp5x_decoder_select="mjpeg_decoder"
6caa44aa 1793svq1_decoder_select="hpeldsp"
1277dc07 1794svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
d48430c3
DB
1795svq3_decoder_select="h264_decoder hpeldsp mpegvideo"
1796svq3_decoder_suggest="zlib"
b93b27ed 1797tak_decoder_select="dsputil"
4eef77c1 1798theora_decoder_select="vp3_decoder"
7caf48e0 1799thp_decoder_select="mjpeg_decoder"
2eef7c62
AJ
1800tiff_decoder_suggest="zlib"
1801tiff_encoder_suggest="zlib"
aec09a00 1802truehd_decoder_select="mlp_decoder"
b93b27ed
RB
1803truemotion2_decoder_select="dsputil"
1804truespeech_decoder_select="dsputil"
61c31e4e 1805tscc_decoder_deps="zlib"
4538729a 1806twinvq_decoder_select="mdct lsp sinewin"
b93b27ed
RB
1807utvideo_decoder_select="dsputil"
1808utvideo_encoder_select="dsputil huffman"
1809vble_decoder_select="dsputil"
dc4d726b 1810vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel intrax8"
45ecda85 1811vc1image_decoder_select="vc1_decoder"
26fbcc85
MR
1812vorbis_decoder_select="mdct"
1813vorbis_encoder_select="mdct"
3bd062bf 1814vp3_decoder_select="hpeldsp vp3dsp videodsp"
cb7ecb75
RB
1815vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
1816vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
e82dc4c9
DB
1817vp6a_decoder_select="vp6_decoder"
1818vp6f_decoder_select="vp6_decoder"
8c53d39e 1819vp8_decoder_select="h264pred videodsp"
72ca830f 1820vp9_decoder_select="videodsp"
c4bfa098 1821webp_decoder_select="vp8_decoder"
4538729a
MR
1822wmapro_decoder_select="mdct sinewin"
1823wmav1_decoder_select="mdct sinewin"
1824wmav1_encoder_select="mdct sinewin"
1825wmav2_decoder_select="mdct sinewin"
1826wmav2_encoder_select="mdct sinewin"
1827wmavoice_decoder_select="lsp rdft dct mdct sinewin"
f95bfab0 1828wmv1_decoder_select="h263_decoder"
665507aa 1829wmv1_encoder_select="h263_encoder"
dc4d726b 1830wmv2_decoder_select="h263_decoder intrax8 videodsp"
1746e2a9 1831wmv2_encoder_select="h263_encoder"
015f8ee0 1832wmv3_decoder_select="vc1_decoder"
45ecda85 1833wmv3image_decoder_select="wmv3_decoder"
61c31e4e
DB
1834zerocodec_decoder_deps="zlib"
1835zlib_decoder_deps="zlib"
1836zlib_encoder_deps="zlib"
1837zmbv_decoder_deps="zlib"
1838zmbv_encoder_deps="zlib"
30fd06be 1839
ed40b6bf 1840# hardware accelerators
215cdd35 1841dxva2_deps="dxva2api_h"
0afab17e 1842vaapi_deps="va_va_h"
ac3dbb4d 1843vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
9840130e 1844vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
c89c96e9
MR
1845vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1846
82ca17ac
DB
1847h263_vaapi_hwaccel_deps="vaapi"
1848h263_vaapi_hwaccel_select="h263_decoder"
1849h263_vdpau_hwaccel_deps="vdpau"
1850h263_vdpau_hwaccel_select="h263_decoder"
215cdd35
DB
1851h264_dxva2_hwaccel_deps="dxva2"
1852h264_dxva2_hwaccel_select="h264_decoder"
82ca17ac
DB
1853h264_vaapi_hwaccel_deps="vaapi"
1854h264_vaapi_hwaccel_select="h264_decoder"
1855h264_vda_hwaccel_deps="vda"
1856h264_vda_hwaccel_select="h264_decoder"
82ca17ac
DB
1857h264_vdpau_hwaccel_deps="vdpau"
1858h264_vdpau_hwaccel_select="h264_decoder"
82ca17ac
DB
1859mpeg1_vdpau_hwaccel_deps="vdpau"
1860mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
215cdd35
DB
1861mpeg2_dxva2_hwaccel_deps="dxva2"
1862mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
82ca17ac
DB
1863mpeg2_vaapi_hwaccel_deps="vaapi"
1864mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
1865mpeg2_vdpau_hwaccel_deps="vdpau"
1866mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
1867mpeg4_vaapi_hwaccel_deps="vaapi"
1868mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
82ca17ac
DB
1869mpeg4_vdpau_hwaccel_deps="vdpau"
1870mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
215cdd35
DB
1871vc1_dxva2_hwaccel_deps="dxva2"
1872vc1_dxva2_hwaccel_select="vc1_decoder"
82ca17ac
DB
1873vc1_vaapi_hwaccel_deps="vaapi"
1874vc1_vaapi_hwaccel_select="vc1_decoder"
82ca17ac
DB
1875vc1_vdpau_hwaccel_deps="vdpau"
1876vc1_vdpau_hwaccel_select="vc1_decoder"
ed40b6bf
DB
1877wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1878wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
77525327 1879wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
ed40b6bf 1880
28b80940 1881# parsers
0b499c9b 1882h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
192ccc50 1883mpeg4video_parser_select="error_resilience h263dsp mpegvideo"
c292f6a2 1884mpegvideo_parser_select="error_resilience mpegvideo"
06b54e84 1885vc1_parser_select="mpegvideo"
28b80940 1886
912f3148 1887# external libraries
c9171a83 1888libfaac_encoder_deps="libfaac"
aa11cb79 1889libfaac_encoder_select="audio_frame_queue"
4f2b469d 1890libfdk_aac_decoder_deps="libfdk_aac"
37eeb5e2 1891libfdk_aac_encoder_deps="libfdk_aac"
aa11cb79 1892libfdk_aac_encoder_select="audio_frame_queue"
299c77d5
MR
1893libgsm_decoder_deps="libgsm"
1894libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1895libgsm_ms_decoder_deps="libgsm"
1896libgsm_ms_encoder_deps="libgsm"
3641b048
MS
1897libilbc_decoder_deps="libilbc"
1898libilbc_encoder_deps="libilbc"
1cc60c47 1899libmp3lame_encoder_deps="libmp3lame"
aa11cb79 1900libmp3lame_encoder_select="audio_frame_queue"
0b175caa
DB
1901libopencore_amrnb_decoder_deps="libopencore_amrnb"
1902libopencore_amrnb_encoder_deps="libopencore_amrnb"
aa11cb79 1903libopencore_amrnb_encoder_select="audio_frame_queue"
0b175caa 1904libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1905libopenjpeg_decoder_deps="libopenjpeg"
453c02f9 1906libopenjpeg_encoder_deps="libopenjpeg"
44617d6e 1907libopus_decoder_deps="libopus"
6cb8c854 1908libopus_encoder_deps="libopus"
aa11cb79 1909libopus_encoder_select="audio_frame_queue"
f7cd9eed
AS
1910libschroedinger_decoder_deps="libschroedinger"
1911libschroedinger_encoder_deps="libschroedinger"
ae14f311 1912libspeex_decoder_deps="libspeex"
b606a017 1913libspeex_encoder_deps="libspeex"
aa11cb79 1914libspeex_encoder_select="audio_frame_queue"
150d2772 1915libtheora_encoder_deps="libtheora"
d89e738a 1916libvo_aacenc_encoder_deps="libvo_aacenc"
aa11cb79 1917libvo_aacenc_encoder_select="audio_frame_queue"
f502ff3f 1918libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
b0caf888 1919libvorbis_encoder_deps="libvorbis"
aa11cb79 1920libvorbis_encoder_select="audio_frame_queue"
3f111804
LB
1921libvpx_vp8_decoder_deps="libvpx"
1922libvpx_vp8_encoder_deps="libvpx"
1923libvpx_vp9_decoder_deps="libvpx"
1924libvpx_vp9_encoder_deps="libvpx"
84d3ff50 1925libwavpack_encoder_deps="libwavpack"
be7c3231 1926libwebp_encoder_deps="libwebp"
1cc60c47 1927libx264_encoder_deps="libx264"
50ea9315 1928libx265_encoder_deps="libx265"
de295976 1929libxavs_encoder_deps="libxavs"
1cc60c47 1930libxvid_encoder_deps="libxvid"
30fd06be 1931
912f3148 1932# demuxers / muxers
c2dd0e9e 1933ac3_demuxer_select="ac3_parser"
255d9c57 1934asf_demuxer_select="riffdec"
3dd5c95d 1935asf_muxer_select="riffenc"
647c2356 1936asf_stream_muxer_select="asf_muxer"
255d9c57 1937avi_demuxer_select="riffdec"
3dd5c95d 1938avi_muxer_select="riffenc"
4e622dea 1939avisynth_demuxer_deps="avisynth"
255d9c57
DB
1940avisynth_demuxer_select="riffdec"
1941caf_demuxer_select="riffdec"
c2dd0e9e 1942dirac_demuxer_select="dirac_parser"
255d9c57 1943dxa_demuxer_select="riffdec"
5b423887 1944eac3_demuxer_select="ac3_parser"
e01fba55 1945f4v_muxer_select="mov_muxer"
c2dd0e9e 1946flac_demuxer_select="flac_parser"
435214a7 1947hds_muxer_select="flv_muxer"
c9031c7c 1948hls_muxer_select="mpegts_muxer"
647c2356 1949ipod_muxer_select="mov_muxer"
31f16dc1 1950ismv_muxer_select="mov_muxer"
647c2356 1951matroska_audio_muxer_select="matroska_muxer"
255d9c57 1952matroska_demuxer_select="riffdec"
2a91ada8 1953matroska_demuxer_suggest="bzlib lzo zlib"
3dd5c95d
DB
1954matroska_muxer_select="riffenc"
1955mmf_muxer_select="riffenc"
255d9c57 1956mov_demuxer_select="riffdec"
4e622dea 1957mov_demuxer_suggest="zlib"
3dd5c95d 1958mov_muxer_select="riffenc rtpenc_chain"
c2dd0e9e 1959mp3_demuxer_select="mpegaudio_parser"
647c2356 1960mp4_muxer_select="mov_muxer"
75644335 1961mpegts_muxer_select="adts_muxer latm_muxer"
647c2356
DB
1962mpegtsraw_demuxer_select="mpegts_demuxer"
1963mxf_d10_muxer_select="mxf_muxer"
3dd5c95d 1964nut_muxer_select="riffenc"
255d9c57 1965nuv_demuxer_select="riffdec"
24ca518b 1966ogg_demuxer_select="golomb"
647c2356 1967psp_muxer_select="mov_muxer"
44594cc7 1968rtp_demuxer_select="sdp_demuxer"
44b70ce5
MS
1969rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1970rtsp_demuxer_select="http_protocol rtpdec"
5ad2f0bf 1971rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
01c8d258 1972sap_demuxer_select="sdp_demuxer"
5ad2f0bf 1973sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
44b70ce5 1974sdp_demuxer_select="rtpdec"
e772f9fa 1975smoothstreaming_muxer_select="ismv_muxer"
f1e94694 1976spdif_muxer_select="aac_parser"
57231e4d 1977tak_demuxer_select="tak_parser"
647c2356
DB
1978tg2_muxer_select="mov_muxer"
1979tgp_muxer_select="mov_muxer"
a7d45e06 1980w64_demuxer_select="wav_demuxer"
255d9c57 1981wav_demuxer_select="riffdec"
3dd5c95d
DB
1982wav_muxer_select="riffenc"
1983webm_muxer_select="riffenc"
255d9c57
DB
1984wtv_demuxer_select="riffdec"
1985xmv_demuxer_select="riffdec"
1986xwma_demuxer_select="riffdec"
4e622dea
SS
1987
1988# indevs / outdevs
38e54a75 1989alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
38e54a75 1990alsa_outdev_deps="alsa_asoundlib_h"
38e54a75 1991bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
6fb65973
DB
1992dv1394_indev_deps="dv1394"
1993dv1394_indev_select="dv_demuxer"
c6f95144 1994fbdev_indev_deps="linux_fb_h"
a3fc62e8 1995jack_indev_deps="jack_jack_h pthreads"
e417d80d 1996libcdio_indev_deps="libcdio"
38e54a75 1997libdc1394_indev_deps="libdc1394"
38e54a75
SS
1998oss_indev_deps_any="soundcard_h sys_soundcard_h"
1999oss_outdev_deps_any="soundcard_h sys_soundcard_h"
0de9c41f 2000pulse_indev_deps="libpulse"
15d59d2c
B
2001sndio_indev_deps="sndio_h"
2002sndio_outdev_deps="sndio_h"
38e54a75 2003v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
ec1ee802 2004vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
a1b3c5a3 2005vfwcap_indev_extralibs="-lavicap32"
24f8961f 2006x11grab_indev_deps="x11grab XShmCreateImage"
30fd06be 2007
912f3148 2008# protocols
acd554c1
SP
2009ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2010ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2011ffrtmpcrypt_protocol_select="tcp_protocol"
775c4d36
SP
2012ffrtmphttp_protocol_deps="!librtmp_protocol"
2013ffrtmphttp_protocol_select="http_protocol"
998c1ee1 2014gopher_protocol_select="network"
279a0c97 2015http_protocol_select="tcp_protocol"
7caf48e0 2016httpproxy_protocol_select="tcp_protocol"
183baead 2017https_protocol_select="tls_protocol"
c3b57d6e
DB
2018librtmp_protocol_deps="librtmp"
2019librtmpe_protocol_deps="librtmp"
2020librtmps_protocol_deps="librtmp"
2021librtmpt_protocol_deps="librtmp"
2022librtmpte_protocol_deps="librtmp"
c60a2d70 2023mmsh_protocol_select="http_protocol"
998c1ee1 2024mmst_protocol_select="network"
c3b57d6e 2025rtmp_protocol_deps="!librtmp_protocol"
deeb7012 2026rtmp_protocol_select="tcp_protocol"
acd554c1 2027rtmpe_protocol_select="ffrtmpcrypt_protocol"
6aedabc9
SP
2028rtmps_protocol_deps="!librtmp_protocol"
2029rtmps_protocol_select="tls_protocol"
775c4d36 2030rtmpt_protocol_select="ffrtmphttp_protocol"
08cd95e8 2031rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
6c1ed454 2032rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
deeb7012 2033rtp_protocol_select="udp_protocol"
998c1ee1
DB
2034sctp_protocol_deps="struct_sctp_event_subscribe"
2035sctp_protocol_select="network"
0eecafc9 2036srtp_protocol_select="rtp_protocol"
998c1ee1 2037tcp_protocol_select="network"
558d192d
MS
2038tls_protocol_deps_any="openssl gnutls"
2039tls_protocol_select="tcp_protocol"
998c1ee1 2040udp_protocol_select="network"
60538758
LB
2041unix_protocol_deps="sys_un_h"
2042unix_protocol_select="network"
c08fb000 2043
6ebf0bfc 2044# filters
13fabd7a 2045blackframe_filter_deps="gpl"
ce6b6ef6 2046boxblur_filter_deps="gpl"
68b79bfc 2047cropdetect_filter_deps="gpl"
b157be1f 2048delogo_filter_deps="gpl"
a5b64584 2049drawtext_filter_deps="libfreetype"
61b323ce 2050frei0r_filter_deps="frei0r dlopen"
cfec77aa 2051frei0r_filter_extralibs='$ldl'
61b323ce 2052frei0r_src_filter_deps="frei0r dlopen"
cfec77aa 2053frei0r_src_filter_extralibs='$ldl'
a4dc7aa5 2054hqdn3d_filter_deps="gpl"
3fce1367 2055interlace_filter_deps="gpl"
cf69ad35 2056ocv_filter_deps="libopencv"
7caf48e0 2057resample_filter_deps="avresample"
2f296e39 2058scale_filter_deps="swscale"
6ebf0bfc 2059
ab81f24a 2060# examples
b339182e 2061avcodec_example_deps="avcodec avutil"
e7dfaf16 2062filter_audio_example_deps="avfilter avutil"
b339182e 2063metadata_example_deps="avformat avutil"
ab81f24a 2064output_example_deps="avcodec avformat avutil swscale"
10421bcf 2065transcode_aac_example_deps="avcodec avformat avresample"
ab81f24a 2066
5a0f7131 2067# libraries
d89f2fa9
DB
2068avcodec_deps="avutil"
2069avdevice_deps="avutil avcodec avformat"
2070avfilter_deps="avutil"
2071avformat_deps="avutil avcodec"
2072avresample_deps="avutil"
2073swscale_deps="avutil"
f7679c54 2074
912f3148 2075# programs
54fd593a 2076avconv_deps="avcodec avfilter avformat avresample swscale"
bce70f81 2077avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
0a0e340f 2078 fps_filter null_filter resample_filter scale_filter
bce70f81 2079 setpts_filter trim_filter"
d173ede1 2080avplay_deps="avcodec avformat avresample swscale sdl"
d2617193 2081avplay_libs='$sdl_libs'
266463da 2082avplay_select="rdft"
9e12f0bf 2083avprobe_deps="avcodec avformat"
406e6c0b
DB
2084avserver_deps="avformat fork !shared"
2085avserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
a2830dca 2086
4da3f410 2087# documentation
92f0abb2 2088pod2man_deps="doc"
4da3f410
DB
2089texi2html_deps="doc"
2090
de6d9b64 2091# default parameters
8a608357 2092
19bd477d 2093logfile="config.log"
8a608357
MR
2094
2095# installation paths
c9d19248
MR
2096prefix_default="/usr/local"
2097bindir_default='${prefix}/bin'
6291d7e4 2098datadir_default='${prefix}/share/avconv'
f4ca970d 2099docdir_default='${prefix}/share/doc/libav'
c9d19248
MR
2100incdir_default='${prefix}/include'
2101libdir_default='${prefix}/lib'
2102mandir_default='${prefix}/share/man'
2103shlibdir_default="$libdir_default"
8a608357
MR
2104
2105# toolchain
121d78d0 2106ar_default="ar"
13c7df3d 2107cc_default="gcc"
9da6609f 2108host_cc_default="gcc"
4ebc6a74 2109cp_f="cp -f"
b58b00ae 2110ln_s="ln -s -f"
2a8a860a 2111nm_default="nm -g"
11e6d03a 2112objformat="elf"
3f8040db 2113pkg_config_default=pkg-config
be7109c1 2114ranlib="ranlib"
e52567c2 2115strip="strip"
11e6d03a 2116yasmexe="yasm"
8a608357 2117
3e0b1c9a 2118nogas=":"
8182dc34 2119
8a608357 2120# machine
8d4c00ed 2121arch_default=$(uname -m)
38d0a8aa 2122cpu="generic"
8a608357 2123
8a608357 2124# OS
8d4c00ed
MR
2125target_os_default=$(tolower $(uname -s))
2126host_os=$target_os_default
8a608357 2127
8a608357 2128# configurable options
ab81f24a 2129enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
3e0b1c9a 2130
3e0b1c9a
DB
2131enable asm
2132enable debug
2133enable doc
8400d6b8 2134enable optimizations
8cfbbd92 2135enable safe_bitstream_reader
530dc538 2136enable static
a9ddb5b1 2137enable swscale_alpha
8a608357 2138
2e2ec667
DB
2139# By default, enable only those hwaccels that have no external dependencies.
2140enable dxva2 vdpau
2141
8a608357 2142# build settings
9987769a 2143SHFLAGS='-shared -Wl,-soname,$$(@F)'
f3ec2d46
SG
2144LIBPREF="lib"
2145LIBSUF=".a"
c5f14466
RP
2146FULLNAME='$(NAME)$(BUILDSUF)'
2147LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
2148SLIBPREF="lib"
2149SLIBSUF=".so"
c5f14466 2150SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
2151SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2152SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 2153LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2f138f0b
MR
2154SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2155SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
ef0bc4c9 2156
68485d1f
MR
2157asflags_filter=echo
2158cflags_filter=echo
64933b6c
MR
2159ldflags_filter=echo
2160
23565c26 2161AS_C='-c'
bc877faf 2162AS_O='-o $@'
23565c26 2163CC_C='-c'
18031c49 2164CC_E='-E -o $@'
7e6c86e6 2165CC_O='-o $@'
a758c5e2 2166LD_O='-o $@'
8db73c61
MR
2167LD_LIB='-l%'
2168LD_PATH='-L'
23565c26 2169HOSTCC_C='-c'
27565164 2170HOSTCC_E='-E -o $@'
a758c5e2 2171HOSTCC_O='-o $@'
095792f2 2172HOSTLD_O='-o $@'
7e6c86e6 2173
9da6609f 2174host_libs='-lm'
6c3fa06a
MR
2175host_cflags_filter=echo
2176host_ldflags_filter=echo
9da6609f 2177
9b861379 2178target_path='$(CURDIR)'
a7ada2ba 2179
a158446b
MR
2180# since the object filename is not given with the -MM flag, the compiler
2181# is only able to print the basename, and we must add the path ourselves
a758c5e2
MR
2182DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2183DEPFLAGS='-MM'
315c741d 2184
c597172e 2185# find source path
24524f36 2186if test -f configure; then
f038cf3c 2187 source_path=.
c597172e 2188else
8477f2de 2189 source_path=$(cd $(dirname "$0"); pwd)
c597172e 2190 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 2191 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
2192 test -e "$source_path/config.h" &&
2193 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
2194fi
2195
13cbe2c0 2196for v in "$@"; do
b04251c5
MR
2197 r=${v#*=}
2198 l=${v%"$r"}
2199 r=$(sh_quote "$r")
29ba0911 2200 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
13cbe2c0 2201done
c597172e 2202
73ef8980
MR
2203find_things(){
2204 thing=$1
2205 pattern=$2
2206 file=$source_path/$3
932ccf39 2207 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
2208}
2209
2210ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2211DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 2212HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
2213PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2214BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2215MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2216DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
2217OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2218INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 2219PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 2220FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 2221
54e75be4
DB
2222ALL_COMPONENTS="
2223 $BSF_LIST
2224 $DECODER_LIST
2225 $DEMUXER_LIST
2226 $ENCODER_LIST
2227 $FILTER_LIST
2228 $HWACCEL_LIST
2229 $INDEV_LIST
2230 $MUXER_LIST
2231 $OUTDEV_LIST
2232 $PARSER_LIST
2233 $PROTOCOL_LIST
2234"
2235
8469ae22
MR
2236for n in $COMPONENT_LIST; do
2237 v=$(toupper ${n%s})_LIST
2238 eval enable \$$v
2239 eval ${n}_if_any="\$$v"
2240done
2241
206a070d 2242enable $ARCH_EXT_LIST
c597172e
MR
2243
2244die_unknown(){
2245 echo "Unknown option \"$1\"."
2246 echo "See $0 --help for available options."
2247 exit 1
2248}
2249
7432e872
DB
2250print_3_columns() {
2251 cat | tr ' ' '\n' | sort | pr -r -3 -t
2252}
2253
794f8e97 2254show_list() {
bf0c4afa
RP
2255 suffix=_$1
2256 shift
7432e872 2257 echo $* | sed s/$suffix//g | print_3_columns
794f8e97
PI
2258 exit 0
2259}
2260
154caa67
MR
2261rand_list(){
2262 IFS=', '
2263 set -- $*
2264 unset IFS
2265 for thing; do
2266 comp=${thing%:*}
2267 prob=${thing#$comp}
2268 prob=${prob#:}
2269 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2270 echo "prob ${prob:-0.5}"
2271 printf '%s\n' $comp
2272 done
2273}
2274
2275do_random(){
2276 action=$1
2277 shift
2278 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2279 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2280}
2281
c597172e 2282for opt do
7483e694
DB
2283 optval="${opt#*=}"
2284 case "$opt" in
ea061af1
DB
2285 --extra-ldflags=*)
2286 add_ldflags $optval
7e9e7cc2 2287 ;;
ea061af1
DB
2288 --extra-libs=*)
2289 add_extralibs $optval
7e9e7cc2 2290 ;;
ea061af1
DB
2291 --disable-devices)
2292 disable $INDEV_LIST $OUTDEV_LIST
7e9e7cc2 2293 ;;
ea061af1
DB
2294 --enable-debug=*)
2295 debuglevel="$optval"
7e9e7cc2
MR
2296 ;;
2297 --disable-programs)
2298 disable $PROGRAM_LIST
2299 ;;
2300 --disable-everything)
2301 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2302 ;;
844c6852
DB
2303 --disable-all)
2304 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2305 disable $LIBRARY_LIST $PROGRAM_LIST doc
2306 ;;
7e9e7cc2
MR
2307 --enable-random|--disable-random)
2308 action=${opt%%-random}
2309 do_random ${action#--} $COMPONENT_LIST
2310 ;;
2311 --enable-random=*|--disable-random=*)
2312 action=${opt%%-random=*}
2313 do_random ${action#--} $optval
2314 ;;
2315 --enable-*=*|--disable-*=*)
2316 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2317 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2318 eval list=\$$(toupper $thing)_LIST
2319 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2320 $action $(filter "$name" $list)
2321 ;;
2322 --enable-?*|--disable-?*)
2323 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2324 if is_in $option $COMPONENT_LIST; then
2325 test $action = disable && action=unset
2326 eval $action \$$(toupper ${option%s})_LIST
2327 elif is_in $option $CMDLINE_SELECT; then
2328 $action $option
2329 else
2330 die_unknown $opt
2331 fi
2332 ;;
2333 --list-*)
2334 NAME="${opt#--list-}"
2335 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2336 NAME=${NAME%s}
2337 eval show_list $NAME \$$(toupper $NAME)_LIST
2338 ;;
2339 --help|-h) show_help
2340 ;;
2341 *)
2342 optname="${opt%%=*}"
2343 optname="${optname#--}"
2344 optname=$(echo "$optname" | sed 's/-/_/g')
2345 if is_in $optname $CMDLINE_SET; then
2346 eval $optname='$optval'
2347 elif is_in $optname $CMDLINE_APPEND; then
2348 append $optname "$optval"
2349 else
2350 die_unknown $opt
2351 fi
2352 ;;
7483e694 2353 esac
c597172e
MR
2354done
2355
bcea99bb
MR
2356disabled logging && logfile=/dev/null
2357
29ba0911 2358echo "# $0 $LIBAV_CONFIGURATION" > $logfile
bcea99bb
MR
2359set >> $logfile
2360
9da6609f
MR
2361test -n "$cross_prefix" && enable cross_compile
2362
8d4c00ed
MR
2363if enabled cross_compile; then
2364 test -n "$arch" && test -n "$target_os" ||
2365 die "Must specify target arch and OS when cross-compiling"
2366fi
2367
121d78d0 2368ar_default="${cross_prefix}${ar_default}"
11e6d03a 2369cc_default="${cross_prefix}${cc_default}"
20e0ed95 2370nm_default="${cross_prefix}${nm_default}"
3f8040db 2371pkg_config_default="${cross_prefix}${pkg_config_default}"
adb2b908 2372ranlib="${cross_prefix}${ranlib}"
e52567c2 2373strip="${cross_prefix}${strip}"
adb2b908 2374
c5200f17
MR
2375sysinclude_default="${sysroot}/usr/include"
2376
aeeb782c 2377case "$toolchain" in
0fbb62a8
LB
2378 clang-asan)
2379 cc_default="clang"
19f251a2
LB
2380 add_cflags -fsanitize=address
2381 add_ldflags -fsanitize=address
0fbb62a8
LB
2382 ;;
2383 clang-tsan)
2384 cc_default="clang"
19f251a2
LB
2385 add_cflags -fsanitize=thread -pie
2386 add_ldflags -fsanitize=thread -pie
0fbb62a8 2387 ;;
d6a27f88
LB
2388 clang-usan)
2389 cc_default="clang"
2390 add_cflags -fsanitize=undefined
2391 add_ldflags -fsanitize=undefined
2392 ;;
0ba49d28
LB
2393 gcc-asan)
2394 cc_default="gcc"
2395 add_cflags -fsanitize=address
2396 add_ldflags -fsanitize=address
2397 ;;
2398 gcc-tsan)
2399 cc_default="gcc"
2400 add_cflags -fsanitize=thread -pie -fPIC
2401 add_ldflags -fsanitize=thread -pie -fPIC
2402 ;;
d6a27f88
LB
2403 gcc-usan)
2404 cc_default="gcc"
2405 add_cflags -fsanitize=undefined
2406 add_ldflags -fsanitize=undefined
2407 ;;
edfe609f
LB
2408 valgrind-massif)
2409 target_exec_default="valgrind"
2410 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2411 ;;
b1ee8eec
RT
2412 valgrind-memcheck)
2413 target_exec_default="valgrind"
2414 target_exec_args="--track-origins=yes --leak-check=full"
2415 ;;
aeeb782c 2416 msvc)
16381923
MS
2417 # Check whether the current MSVC version needs the C99 converter.
2418 # From MSVC 2013 (compiler major version 18) onwards, it does actually
ea9f7173 2419 # support enough of C99 to build libav. Default to the new
16381923
MS
2420 # behaviour if the regexp was unable to match anything, since this
2421 # successfully parses the version number of existing supported
2422 # versions that require the converter (MSVC 2010 and 2012).
2423 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2424 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
ea9f7173 2425 cc_default="cl"
16381923
MS
2426 else
2427 cc_default="c99wrap cl"
2428 fi
ea9f7173 2429 ld_default="link"
aeeb782c 2430 nm_default="dumpbin -symbols"
ac3a9b51 2431 ar_default="lib"
53e8cd68 2432 target_os_default="win32"
ea9f7173
MS
2433 # Use a relative path for TMPDIR. This makes sure all the
2434 # ffconf temp files are written with a relative path, avoiding
2435 # issues with msys/win32 path conversion for MSVC parameters
2436 # such as -Fo<file> or -out:<file>.
2437 TMPDIR=.
aeeb782c 2438 ;;
322e4194 2439 icl)
ea9f7173
MS
2440 cc_default="icl"
2441 ld_default="xilink"
322e4194
AS
2442 nm_default="dumpbin -symbols"
2443 ar_default="xilib"
2444 target_os_default="win32"
ea9f7173 2445 TMPDIR=.
322e4194 2446 ;;
a862c7d3
RT
2447 gcov)
2448 add_cflags -fprofile-arcs -ftest-coverage
2449 add_ldflags -fprofile-arcs -ftest-coverage
2450 ;;
e7891305 2451 hardened)
7caf48e0 2452 add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all
e7891305
LB
2453 add_ldflags -Wl,-z,relro -Wl,-z,now
2454 ;;
aeeb782c
MR
2455 ?*)
2456 die "Unknown toolchain $toolchain"
2457 ;;
2458esac
2459
b1ee8eec 2460set_default arch cc pkg_config sysinclude target_exec target_os
9da6609f
MR
2461enabled cross_compile || host_cc_default=$cc
2462set_default host_cc
13c7df3d 2463
762f95e4
MR
2464if ! $pkg_config --version >/dev/null 2>&1; then
2465 warn "$pkg_config not found, library detection may fail."
2466 pkg_config=false
2467fi
2468
82bb3329
MR
2469exesuf() {
2470 case $1 in
53e8cd68 2471 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
82bb3329
MR
2472 esac
2473}
2474
2475EXESUF=$(exesuf $target_os)
2476HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 2477
e4e69e0b 2478# set temporary file name
a49d42c2 2479: ${TMPDIR:=$TEMPDIR}
c51fafa1 2480: ${TMPDIR:=$TMP}
a49d42c2 2481: ${TMPDIR:=/tmp}
e4e69e0b 2482
a210bce2 2483if ! check_cmd mktemp -u XXXXXX; then
54460a83
MR
2484 # simple replacement for missing mktemp
2485 # NOT SAFE FOR GENERAL USE
2486 mktemp(){
09a5c245 2487 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
54460a83
MR
2488 }
2489fi
2490
2491tmpfile(){
2492 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2493 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 2494 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
2495 append TMPFILES $tmp
2496 eval $1=$tmp
2497}
2498
2499trap 'rm -f -- $TMPFILES' EXIT
54460a83 2500
55127e7b 2501tmpfile TMPASM .asm
3e0b1c9a
DB
2502tmpfile TMPC .c
2503tmpfile TMPE $EXESUF
2504tmpfile TMPH .h
2505tmpfile TMPO .o
2506tmpfile TMPS .S
2507tmpfile TMPSH .sh
2508tmpfile TMPV .ver
54460a83
MR
2509
2510unset -f mktemp
e4e69e0b 2511
fb3c4ffc
MR
2512chmod +x $TMPE
2513
993f2d0f
MR
2514# make sure we can execute files in $TMPDIR
2515cat > $TMPSH 2>> $logfile <<EOF
2516#! /bin/sh
2517EOF
2518chmod +x $TMPSH >> $logfile 2>&1
2519if ! $TMPSH >> $logfile 2>&1; then
2520 cat <<EOF
2521Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2522variable to another directory and make sure that it is not mounted noexec.
2523EOF
2524 die "Sanity test failed."
2525fi
993f2d0f 2526
457cc333
MR
2527ccc_flags(){
2528 for flag; do
2529 case $flag in
2530 -std=c99) echo -c99 ;;
2531 -mcpu=*) echo -arch ${flag#*=} ;;
2532 -mieee) echo -ieee ;;
2533 -O*|-fast) echo $flag ;;
2534 -fno-math-errno) echo -assume nomath_errno ;;
2535 -g) echo -g3 ;;
2536 -Wall) echo -msg_enable level2 ;;
2537 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2538 -Wl,*) echo $flag ;;
2539 -f*|-W*) ;;
2540 *) echo $flag ;;
2541 esac
2542 done
2543}
2544
e5d45e02
LB
2545cparser_flags(){
2546 for flag; do
2547 case $flag in
2548 -Wno-switch) echo -Wno-switch-enum ;;
2549 -Wno-format-zero-length) ;;
2550 -Wdisabled-optimization) ;;
2551 -Wno-pointer-sign) echo -Wno-other ;;
2552 *) echo $flag ;;
2553 esac
2554 done
2555}
2556
14fb9d3d 2557msvc_common_flags(){
dfa559bc
RB
2558 for flag; do
2559 case $flag in
14fb9d3d
AS
2560 # In addition to specifying certain flags under the compiler
2561 # specific filters, they must be specified here as well or else the
2562 # generic catch all at the bottom will print the original flag.
2563 -Wall) ;;
2564 -std=c99) ;;
2565 # Common flags
9f4a16c5 2566 -fomit-frame-pointer) ;;
dfa559bc 2567 -g) echo -Z7 ;;
dfa559bc
RB
2568 -fno-math-errno) ;;
2569 -fno-common) ;;
2570 -fno-signed-zeros) ;;
50640977 2571 -fPIC) ;;
9f30fb5a
MS
2572 -mthumb) ;;
2573 -march=*) ;;
dfa559bc 2574 -lz) echo zlib.lib ;;
bd680c7b
DB
2575 -lavifil32) echo vfw32.lib ;;
2576 -lavicap32) echo vfw32.lib user32.lib ;;
dfa559bc
RB
2577 -l*) echo ${flag#-l}.lib ;;
2578 *) echo $flag ;;
2579 esac
2580 done
2581}
2582
14fb9d3d
AS
2583msvc_flags(){
2584 msvc_common_flags "$@"
2585 for flag; do
2586 case $flag in
ace87c19 2587 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
14fb9d3d
AS
2588 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2589 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
09f2581d 2590 -wd4273 ;;
14fb9d3d
AS
2591 esac
2592 done
2593}
2594
2595icl_flags(){
2596 msvc_common_flags "$@"
2597 for flag; do
2598 case $flag in
2599 # Despite what Intel's documentation says -Wall, which is supported
2600 # on Windows, does enable remarks so disable them here.
2601 -Wall) echo $flag -Qdiag-disable:remark ;;
2602 -std=c99) echo -Qstd=c99 ;;
2603 esac
2604 done
2605}
2606
d0c6d424
MR
2607pgi_flags(){
2608 for flag; do
2609 case $flag in
643933f5 2610 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
d0c6d424
MR
2611 -fomit-frame-pointer) echo -Mnoframe ;;
2612 -g) echo -gopt ;;
2613 *) echo $flag ;;
2614 esac
2615 done
2616}
2617
2618suncc_flags(){
2619 for flag; do
2620 case $flag in
2621 -march=*|-mcpu=*)
2622 case "${flag#*=}" in
2623 native) echo -xtarget=native ;;
2624 v9|niagara) echo -xarch=sparc ;;
2625 ultrasparc) echo -xarch=sparcvis ;;
2626 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2627 i586|pentium) echo -xchip=pentium ;;
2628 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2629 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2630 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2631 pentium4*) echo -xtarget=pentium4 ;;
2632 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2633 *-sse3) echo -xarch=sse3 ;;
2634 core2) echo -xarch=ssse3 -xchip=core2 ;;
f2ce813e
SM
2635 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2636 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
b36f87ff 2637 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
ace87c19 2638 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
d0c6d424 2639 k8|opteron|athlon64|athlon-fx)
ace87c19
DB
2640 echo -xarch=sse2a ;;
2641 athlon*) echo -xarch=pentium_proa ;;
d0c6d424
MR
2642 esac
2643 ;;
2644 -std=c99) echo -xc99 ;;
2645 -fomit-frame-pointer) echo -xregs=frameptr ;;
2646 -fPIC) echo -KPIC -xcode=pic32 ;;
2647 -W*,*) echo $flag ;;
5e753ed5
SM
2648 -f*-*|-W*|-mimpure-text) ;;
2649 -shared) echo -G ;;
d0c6d424
MR
2650 *) echo $flag ;;
2651 esac
2652 done
2653}
2654
2655tms470_flags(){
2656 for flag; do
2657 case $flag in
2658 -march=*|-mcpu=*)
2659 case "${flag#*=}" in
2660 armv7-a|cortex-a*) echo -mv=7a8 ;;
2661 armv7-r|cortex-r*) echo -mv=7r4 ;;
2662 armv7-m|cortex-m*) echo -mv=7m3 ;;
2663 armv6*|arm11*) echo -mv=6 ;;
2664 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2665 echo -mv=5e ;;
2666 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2667 esac
2668 ;;
2669 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2670 -mfpu=vfp) echo --float_support=vfpv2 ;;
2671 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
b5198a26 2672 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
d0c6d424
MR
2673 -msoft-float) echo --float_support=vfplib ;;
2674 -O[0-3]|-mf=*) echo $flag ;;
2675 -g) echo -g -mn ;;
2676 -pds=*) echo $flag ;;
ad93dccb
MR
2677 -D*|-I*) echo $flag ;;
2678 --gcc|--abi=*) echo $flag ;;
2679 -me) echo $flag ;;
d0c6d424
MR
2680 esac
2681 done
2682}
2683
a758c5e2
MR
2684probe_cc(){
2685 pfx=$1
2686 _cc=$2
2687
8db73c61
MR
2688 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2689 unset _ld_o _ldflags _ld_lib _ld_path
18031c49 2690 unset _depflags _DEPCMD _DEPFLAGS
a758c5e2
MR
2691 _flags_filter=echo
2692
2693 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2694 _type=llvm_gcc
2695 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2696 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2697 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2698 _cflags_speed='-O3'
2699 _cflags_size='-Os'
2700 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2701 _type=gcc
2702 gcc_version=$($_cc --version | head -n1)
2703 gcc_basever=$($_cc -dumpversion)
2704 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2705 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2706 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2707 if ! $_cc -dumpversion | grep -q '^2\.'; then
2708 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2709 fi
2710 _cflags_speed='-O3'
2711 _cflags_size='-Os'
b2d688ea 2712 elif $_cc --version 2>/dev/null | grep -q ^icc; then
a758c5e2
MR
2713 _type=icc
2714 _ident=$($_cc --version | head -n1)
2715 _depflags='-MMD'
2716 _cflags_speed='-O3'
2717 _cflags_size='-Os'
2718 _cflags_noopt='-O1'
2719 elif $_cc -v 2>&1 | grep -q xlc; then
2720 _type=xlc
2721 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2722 _cflags_speed='-O5'
2723 _cflags_size='-O5 -qcompact'
2724 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2725 _type=ccc
2726 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2727 _DEPFLAGS='-M'
a758c5e2
MR
2728 _cflags_speed='-fast'
2729 _cflags_size='-O1'
457cc333 2730 _flags_filter=ccc_flags
a758c5e2
MR
2731 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2732 test -d "$sysroot" || die "No valid sysroot specified."
2733 _type=armcc
2734 _ident=$($_cc --vsn | head -n1)
2735 armcc_conf="$PWD/armcc.conf"
2736 $_cc --arm_linux_configure \
2737 --arm_linux_config_file="$armcc_conf" \
2738 --configure_sysroot="$sysroot" \
2739 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2740 die "Error creating armcc configuration file."
2741 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2742 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2743 as_default="${cross_prefix}gcc"
2744 _depflags='-MMD'
2745 _cflags_speed='-O3'
2746 _cflags_size='-Os'
0122118e 2747 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
a758c5e2
MR
2748 _type=tms470
2749 _ident=$($_cc -version | head -n1 | tr -s ' ')
2750 _flags='--gcc --abi=eabi -me'
18031c49 2751 _cc_e='-ppl -fe=$@'
a758c5e2 2752 _cc_o='-fe=$@'
a758c5e2
MR
2753 _depflags='-ppa -ppd=$(@:.o=.d)'
2754 _cflags_speed='-O3 -mf=5'
2755 _cflags_size='-O3 -mf=2'
2756 _flags_filter=tms470_flags
2757 elif $_cc -v 2>&1 | grep -q clang; then
2758 _type=clang
2759 _ident=$($_cc --version | head -n1)
9e057f53 2760 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
a758c5e2
MR
2761 _cflags_speed='-O3'
2762 _cflags_size='-Os'
2763 elif $_cc -V 2>&1 | grep -q Sun; then
2764 _type=suncc
2765 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2766 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
c72f12cb 2767 _DEPFLAGS='-xM1 -xc99'
a758c5e2
MR
2768 _ldflags='-std=c99'
2769 _cflags_speed='-O5'
2770 _cflags_size='-O5 -xspace'
2771 _flags_filter=suncc_flags
2772 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2773 _type=pathscale
2774 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2775 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2776 _cflags_speed='-O2'
2777 _cflags_size='-Os'
2778 _flags_filter='filter_out -Wdisabled-optimization'
2779 elif $_cc -v 2>&1 | grep -q Open64; then
2780 _type=open64
2781 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2782 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2783 _cflags_speed='-O2'
2784 _cflags_size='-Os'
2785 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2786 elif $_cc -V 2>&1 | grep -q Portland; then
2787 _type=pgi
2788 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
8f23907f 2789 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
a758c5e2
MR
2790 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2791 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2792 _cflags_noopt="-O1"
2793 _flags_filter=pgi_flags
dfa559bc
RB
2794 elif $_cc 2>&1 | grep -q Microsoft; then
2795 _type=msvc
2796 _ident=$($cc 2>&1 | head -n1)
2797 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2798 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2799 _cflags_speed="-O2"
2800 _cflags_size="-O1"
dfa559bc 2801 if $_cc 2>&1 | grep -q Linker; then
ea9f7173 2802 _ld_o='-out:$@'
dfa559bc
RB
2803 else
2804 _ld_o='-Fe$@'
2805 fi
ea9f7173
MS
2806 _cc_o='-Fo$@'
2807 _cc_e='-P -Fi$@'
dfa559bc
RB
2808 _flags_filter=msvc_flags
2809 _ld_lib='lib%.a'
2810 _ld_path='-libpath:'
2811 _flags='-nologo'
09f2581d 2812 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
dfa559bc 2813 if [ $pfx = hostcc ]; then
6a0200f2 2814 append _cflags -Dsnprintf=_snprintf
dfa559bc 2815 fi
322e4194
AS
2816 elif $_cc 2>&1 | grep -q Intel; then
2817 _type=icl
2818 _ident=$($cc 2>&1 | head -n1)
2819 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
ace87c19
DB
2820 # Not only is O3 broken on 13.x+ but it is slower on all previous
2821 # versions (tested) as well.
322e4194
AS
2822 _cflags_speed="-O2"
2823 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
322e4194 2824 if $_cc 2>&1 | grep -q Linker; then
ea9f7173 2825 _ld_o='-out:$@'
322e4194
AS
2826 else
2827 _ld_o='-Fe$@'
2828 fi
ea9f7173 2829 _cc_o='-Fo$@'
322e4194 2830 _cc_e='-P'
14fb9d3d 2831 _flags_filter=icl_flags
322e4194
AS
2832 _ld_lib='lib%.a'
2833 _ld_path='-libpath:'
ace87c19 2834 # -Qdiag-error to make icl error when seeing certain unknown arguments
60f09c04 2835 _flags='-nologo -Qdiag-error:4044,10157'
ace87c19
DB
2836 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
2837 # with MSVC which enables it by default.
e0d6e2fc 2838 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
322e4194
AS
2839 if [ $pfx = hostcc ]; then
2840 append _cflags -Dsnprintf=_snprintf
2841 fi
e5d45e02
LB
2842 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
2843 _type=cparser
2844 _ident=$($_cc --version | head -n1)
2845 _depflags='-MMD'
2846 _cflags_speed='-O4'
2847 _cflags_size='-O2'
2848 _flags_filter=cparser_flags
aef6bd1b 2849 fi
a758c5e2
MR
2850
2851 eval ${pfx}_type=\$_type
2852 eval ${pfx}_ident=\$_ident
2853}
2854
2855set_ccvars(){
23565c26 2856 eval ${1}_C=\${_cc_c-\${${1}_C}}
18031c49 2857 eval ${1}_E=\${_cc_e-\${${1}_E}}
a758c5e2
MR
2858 eval ${1}_O=\${_cc_o-\${${1}_O}}
2859
2860 if [ -n "$_depflags" ]; then
2861 eval ${1}_DEPFLAGS=\$_depflags
2862 else
2863 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2864 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2865 eval DEP${1}FLAGS=\$_flags
2866 fi
2867}
2868
2869probe_cc cc "$cc"
2870cflags_filter=$_flags_filter
2871cflags_speed=$_cflags_speed
2872cflags_size=$_cflags_size
2873cflags_noopt=$_cflags_noopt
2874add_cflags $_flags $_cflags
2875cc_ldflags=$_ldflags
2876set_ccvars CC
2877
2878probe_cc hostcc "$host_cc"
2879host_cflags_filter=$_flags_filter
a758c5e2 2880add_host_cflags $_flags $_cflags
a758c5e2 2881set_ccvars HOSTCC
629687f6 2882
851ffa80
MR
2883test -n "$cc_type" && enable $cc_type ||
2884 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 2885
75bafbac 2886: ${as_default:=$cc}
50567afa 2887: ${dep_cc_default:=$cc}
684b28e0 2888: ${ld_default:=$cc}
095792f2
MR
2889: ${host_ld_default:=$host_cc}
2890set_default ar as dep_cc ld host_ld
75800dce 2891
a758c5e2
MR
2892probe_cc as "$as"
2893asflags_filter=$_flags_filter
2894add_asflags $_flags $_cflags
2895set_ccvars AS
2896
2897probe_cc ld "$ld"
2898ldflags_filter=$_flags_filter
2899add_ldflags $_flags $_ldflags
2900test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2763587c 2901LD_O=${_ld_o-$LD_O}
8db73c61
MR
2902LD_LIB=${_ld_lib-$LD_LIB}
2903LD_PATH=${_ld_path-$LD_PATH}
a758c5e2 2904
095792f2
MR
2905probe_cc hostld "$host_ld"
2906host_ldflags_filter=$_flags_filter
2907add_host_ldflags $_flags $_ldflags
2908HOSTLD_O=${_ld_o-$HOSTLD_O}
2909
a758c5e2
MR
2910if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2911 probe_cc depcc "$dep_cc"
2912 CCDEP=${_DEPCMD:-$DEPCMD}
2913 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2914 DEPCCFLAGS=$_flags
2915fi
07dec06e 2916
3dbc777c
MR
2917if $ar 2>&1 | grep -q Microsoft; then
2918 arflags="-nologo"
2919 ar_o='-out:$@'
2920elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2921 arflags="rq"
2922 ar_o='$@'
4822ee3c
DB
2923elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
2924 arflags='-Xany -r -c'
2925 ar_o='$@'
3dbc777c
MR
2926else
2927 arflags="rc"
2928 ar_o='$@'
2929fi
2930
7f32f40c 2931add_cflags $extra_cflags
2f2e6c7c 2932add_asflags $extra_cflags
7f32f40c 2933
154d432c
MR
2934if test -n "$sysroot"; then
2935 case "$cc_type" in
00ba041c 2936 gcc|llvm_gcc|clang)
467256f2 2937 add_cppflags --sysroot="$sysroot"
154d432c
MR
2938 add_ldflags --sysroot="$sysroot"
2939 ;;
6fec122a
MR
2940 tms470)
2941 add_cppflags -I"$sysinclude"
2942 add_ldflags --sysroot="$sysroot"
2943 ;;
154d432c
MR
2944 esac
2945fi
2946
d22c13a8 2947if test "$cpu" = host; then
ace87c19
DB
2948 enabled cross_compile &&
2949 die "--cpu=host makes no sense when cross-compiling."
d22c13a8
MR
2950
2951 case "$cc_type" in
613a4e3f 2952 gcc|llvm_gcc)
d22c13a8
MR
2953 check_native(){
2954 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
b695256e 2955 sed -n "/cc1.*$1=/{
27ce1be8
MR
2956 s/.*$1=\\([^ ]*\\).*/\\1/
2957 p
2958 q
2959 }" $TMPE
d22c13a8
MR
2960 }
2961 cpu=$(check_native -march || check_native -mcpu)
2962 ;;
2963 esac
2964
ace87c19
DB
2965 test "${cpu:-host}" = host &&
2966 die "--cpu=host not supported with compiler $cc"
d22c13a8
MR
2967fi
2968
e939cedd
MR
2969# Deal with common $arch aliases
2970case "$arch" in
5873b623
MR
2971 aarch64|arm64)
2972 arch="aarch64"
2973 ;;
e939cedd
MR
2974 arm*)
2975 arch="arm"
2976 ;;
2acda282 2977 mips*|IP*)
e939cedd
MR
2978 arch="mips"
2979 ;;
a6e9d649 2980 parisc*|hppa*)
e939cedd
MR
2981 arch="parisc"
2982 ;;
56203596 2983 "Power Macintosh"|ppc*|powerpc*)
e939cedd
MR
2984 arch="ppc"
2985 ;;
e939cedd
MR
2986 s390|s390x)
2987 arch="s390"
2988 ;;
2989 sh4|sh)
2990 arch="sh4"
2991 ;;
4cd217c0 2992 sun4u|sparc*)
e939cedd 2993 arch="sparc"
e939cedd 2994 ;;
c75848cd
DB
2995 tilegx|tile-gx)
2996 arch="tilegx"
2997 ;;
d33ed7b3 2998 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
e939cedd
MR
2999 arch="x86"
3000 ;;
3001esac
3002
851ffa80 3003is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 3004enable $arch
e939cedd 3005
df5cdc24 3006# Add processor-specific flags
9ebd45c2 3007if enabled aarch64; then
33db40f8
MR
3008
3009 case $cpu in
3010 armv*)
3011 cpuflags="-march=$cpu"
3012 ;;
3013 *)
3014 cpuflags="-mcpu=$cpu"
3015 ;;
3016 esac
3017
3018elif enabled alpha; then
3019
3020 cpuflags="-mcpu=$cpu"
3021
3022elif enabled arm; then
3023
1234c66a
MR
3024 check_arm_arch() {
3025 check_cpp_condition stddef.h \
3026 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3027 $cpuflags
3028 }
3029
3030 probe_arm_arch() {
3031 if check_arm_arch 4; then echo armv4;
3032 elif check_arm_arch 4T; then echo armv4t;
3033 elif check_arm_arch 5; then echo armv5;
3034 elif check_arm_arch 5E; then echo armv5e;
3035 elif check_arm_arch 5T; then echo armv5t;
3036 elif check_arm_arch 5TE; then echo armv5te;
3037 elif check_arm_arch 5TEJ; then echo armv5te;
3038 elif check_arm_arch 6; then echo armv6;
3039 elif check_arm_arch 6J; then echo armv6j;
3040 elif check_arm_arch 6K; then echo armv6k;
3041 elif check_arm_arch 6Z; then echo armv6z;
3042 elif check_arm_arch 6ZK; then echo armv6zk;
3043 elif check_arm_arch 6T2; then echo armv6t2;
3044 elif check_arm_arch 7; then echo armv7;
3045 elif check_arm_arch 7A 7_A; then echo armv7-a;
3046 elif check_arm_arch 7R 7_R; then echo armv7-r;
3047 elif check_arm_arch 7M 7_M; then echo armv7-m;
3048 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3049 elif check_arm_arch 8A 8_A; then echo armv8-a;
3050 fi
3051 }
3052
3053 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3054
33db40f8
MR
3055 case $cpu in
3056 armv*)
3057 cpuflags="-march=$cpu"
3058 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3059 ;;
3060 *)
3061 cpuflags="-mcpu=$cpu"
3062 case $cpu in
3063 cortex-a*) subarch=armv7a ;;
3064 cortex-r*) subarch=armv7r ;;
3065 cortex-m*) enable thumb; subarch=armv7m ;;
3066 arm11*) subarch=armv6 ;;
3067 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3068 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
1234c66a 3069 *) subarch=$(probe_arm_arch) ;;
33db40f8
MR
3070 esac
3071 ;;
3072 esac
3073
f0fe245b
MR
3074 case "$subarch" in
3075 armv5t*) enable fast_clz ;;
3076 armv[6-8]*) enable fast_clz fast_unaligned ;;
3077 esac
3078
33db40f8
MR
3079elif enabled avr32; then
3080
3081 case $cpu in
3082 ap7[02]0[0-2])
3083 subarch="avr32_ap"
3084 cpuflags="-mpart=$cpu"
3085 ;;
3086 ap)
3087 subarch="avr32_ap"
3088 cpuflags="-march=$cpu"
3089 ;;
3090 uc3[ab]*)
3091 subarch="avr32_uc"
3092 cpuflags="-mcpu=$cpu"
3093 ;;
3094 uc)
3095 subarch="avr32_uc"
3096 cpuflags="-march=$cpu"
3097 ;;
3098 esac
3099
3100elif enabled bfin; then
3101
3102 cpuflags="-mcpu=$cpu"
3103
3104elif enabled mips; then
3105
3106 cpuflags="-march=$cpu"
3107
5d54c126 3108elif enabled ppc; then
343aef9b 3109
56348891
MR
3110 case $(tolower $cpu) in
3111 601|ppc601|powerpc601)
9dbd5c3d 3112 cpuflags="-mcpu=601"
64ad53ff 3113 disable altivec
9dbd5c3d 3114 ;;
56348891 3115 603*|ppc603*|powerpc603*)
9dbd5c3d 3116 cpuflags="-mcpu=603"
64ad53ff 3117 disable altivec
9dbd5c3d 3118 ;;
56348891 3119 604*|ppc604*|powerpc604*)
9dbd5c3d 3120 cpuflags="-mcpu=604"
64ad53ff 3121 disable altivec
9dbd5c3d 3122 ;;
56348891 3123 g3|75*|ppc75*|powerpc75*)
7f1fcaf0 3124 cpuflags="-mcpu=750"
64ad53ff 3125 disable altivec
9dbd5c3d 3126 ;;
56348891 3127 g4|745*|ppc745*|powerpc745*)
7f1fcaf0 3128 cpuflags="-mcpu=7450"
9dbd5c3d 3129 ;;
56348891 3130 74*|ppc74*|powerpc74*)
7f1fcaf0 3131 cpuflags="-mcpu=7400"
9dbd5c3d 3132 ;;
313f9fbf 3133 g5|970|ppc970|powerpc970)
7f1fcaf0 3134 cpuflags="-mcpu=970"
9dbd5c3d 3135 ;;
313f9fbf 3136 power[3-7]*)
7f1fcaf0 3137 cpuflags="-mcpu=$cpu"
313f9fbf 3138 ;;
56348891 3139 cell)
9dbd5c3d
MR
3140 cpuflags="-mcpu=cell"
3141 enable ldbrx
3142 ;;
4ab26cb4
DB
3143 e500mc)
3144 cpuflags="-mcpu=e500mc"
3145 disable altivec
3146 ;;
7b0b81a1
AL
3147 e500v2)
3148 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3149 disable altivec
3150 ;;
3151 e500)
3152 cpuflags="-mcpu=8540 -mhard-float"
3153 disable altivec
3154 ;;
9dbd5c3d 3155 esac
343aef9b 3156
33db40f8
MR
3157elif enabled sparc; then
3158
3159 case $cpu in
3160 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3161 cpuflags="-mcpu=$cpu"
33db40f8
MR
3162 ;;
3163 ultrasparc*|niagara[234])
3164 cpuflags="-mcpu=$cpu"
3165 ;;
3166 esac
3167
343aef9b
MR
3168elif enabled x86; then
3169
9dbd5c3d
MR
3170 case $cpu in
3171 i[345]86|pentium)
3172 cpuflags="-march=$cpu"
3173 disable mmx
3174 ;;
f54b5505 3175 # targets that do NOT support nopl and conditional mov (cmov)
9dbd5c3d
MR
3176 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3177 cpuflags="-march=$cpu"
f54b5505 3178 disable i686
9dbd5c3d 3179 ;;
f54b5505 3180 # targets that do support nopl and conditional mov (cmov)
f2ce813e 3181 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
9dbd5c3d 3182 cpuflags="-march=$cpu"
f54b5505 3183 enable i686
9dbd5c3d
MR
3184 enable fast_cmov
3185 ;;
3186 # targets that do support conditional mov but on which it's slow
3187 pentium4|pentium4m|prescott|nocona)
3188 cpuflags="-march=$cpu"
f54b5505 3189 enable i686
9dbd5c3d
MR
3190 disable fast_cmov
3191 ;;
3192 esac
343aef9b 3193
343aef9b
MR
3194fi
3195
9ebd45c2
MR
3196if [ "$cpu" != generic ]; then
3197 add_cflags $cpuflags
3198 add_asflags $cpuflags
3199fi
df5cdc24 3200
993f2d0f
MR
3201# compiler sanity check
3202check_exec <<EOF
3203int main(void){ return 0; }
3204EOF
3205if test "$?" != 0; then
3206 echo "$cc is unable to create an executable file."
3207 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3208 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3209 echo "Only do this if you know what cross compiling means."
3210 fi
3211 die "C compiler test failed."
3212fi
3213
046f081b 3214add_cppflags -D_ISOC99_SOURCE
e9b9a2f8 3215check_cflags -std=c99
50a334e4 3216check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
3217#include <stdlib.h>
3218EOF
50a334e4 3219check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
3220#include <stdlib.h>
3221EOF
e9b9a2f8 3222
8267f936 3223add_host_cppflags -D_ISOC99_SOURCE
f0125de9 3224check_host_cflags -std=c99
0a6db2a2 3225check_host_cflags -Wall
8267f936 3226check_host_cflags -O3
f0125de9 3227
d4c99513
MR
3228check_64bit(){
3229 arch32=$1
3230 arch64=$2
3231 expr=$3
3232 check_code cc "" "int test[2*($expr) - 1]" &&
3233 subarch=$arch64 || subarch=$arch32
3234}
3235
b24dbcbd 3236case "$arch" in
d11cb13b 3237 aarch64|alpha|ia64)
2acda282
MR
3238 spic=$shared
3239 ;;
3240 mips)
3241 check_64bit mips mips64 '_MIPS_SIM > 1'
8a3c8627 3242 spic=$shared
b24dbcbd 3243 ;;
a6e9d649
MR
3244 parisc)
3245 check_64bit parisc parisc64 'sizeof(void *) > 4'
3246 spic=$shared
3247 ;;
56203596
MR
3248 ppc)
3249 check_64bit ppc ppc64 'sizeof(void *) > 4'
1944d532 3250 spic=$shared
56203596 3251 ;;
5ddc9f50
RT
3252 s390)
3253 check_64bit s390 s390x 'sizeof(void *) > 4'
3254 spic=$shared
3255 ;;
4cd217c0
MR
3256 sparc)
3257 check_64bit sparc sparc64 'sizeof(void *) > 4'
3258 spic=$shared
3259 ;;
e939cedd 3260 x86)
d4c99513 3261 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
de27f4d9 3262 if test "$subarch" = "x86_64"; then
e939cedd 3263 spic=$shared
de27f4d9 3264 fi
b24dbcbd 3265 ;;
b24dbcbd
RP
3266esac
3267
343aef9b 3268enable $subarch
b1803c79 3269enabled spic && enable_weak pic
b24dbcbd 3270
7483e694 3271# OS specific
4f854758 3272case $target_os in
d3635f3a 3273 aix)
80ade798 3274 SHFLAGS=-shared
d3635f3a 3275 add_cppflags '-I\$(SRC_PATH)/compat/aix'
80ade798 3276 enabled shared && add_ldflags -Wl,-brtl
d3635f3a 3277 ;;
a1629e28 3278 haiku)
63ae7e7c 3279 prefix_default="/boot/common"
108caaaa 3280 network_extralibs="-lnetwork"
f59c4bd6 3281 host_libs=
a1629e28 3282 ;;
7483e694 3283 sunos)
9987769a 3284 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 3285 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 3286 network_extralibs="-lsocket -lnsl"
87a74f47
SM
3287 # When using suncc to build, the Solaris linker will mark
3288 # an executable with each instruction set encountered by
3289 # the Solaris assembler. As our libraries contain their own
3290 # guards for processor-specific code, instead suppress
3291 # generation of the HWCAPS ELF section on Solaris x86 only.
ace87c19
DB
3292 enabled_all suncc x86 &&
3293 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3294 add_ldflags -Wl,-M,mapfile
2a8a860a 3295 nm_default='nm -P -g'
7483e694
DB
3296 ;;
3297 netbsd)
a1e4b3f6 3298 disable symver
07a8eef6
MR
3299 oss_indev_extralibs="-lossaudio"
3300 oss_outdev_extralibs="-lossaudio"
7483e694 3301 ;;
d488c3bc 3302 openbsd|bitrig)
a1e4b3f6 3303 disable symver
7483e694 3304 SHFLAGS='-shared'
69dca3a4 3305 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
d5683aba 3306 SLIB_INSTALL_LINKS=
07a8eef6
MR
3307 oss_indev_extralibs="-lossaudio"
3308 oss_outdev_extralibs="-lossaudio"
7483e694 3309 ;;
a1e4b3f6 3310 dragonfly)
a1e4b3f6
MR
3311 disable symver
3312 ;;
3313 freebsd)
7483e694
DB
3314 ;;
3315 bsd/os)
355d81df 3316 add_extralibs -lpoll -lgnugetopt
7483e694
DB
3317 ;;
3318 darwin)
301ab19d 331