ismindex: Avoid writing ismf files if no base name has been specified
[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
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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]
749b1f13 89 --enable-rpath use rpath when linking programs [USE WITH CARE]
06454877 90
3b327a4b 91Licensing options:
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92 --enable-gpl allow use of GPL code, the resulting libs
93 and binaries will be under GPL [no]
94 --enable-version3 upgrade (L)GPL to version 3 [no]
95 --enable-nonfree allow use of nonfree code, the resulting libs
96 and binaries will be unredistributable [no]
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97
98Configuration options:
99 --disable-static do not build static libraries [no]
100 --enable-shared build shared libraries [no]
101 --enable-small optimize for size instead of speed
102 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
103 --enable-gray enable full grayscale support (slower color)
104 --disable-swscale-alpha disable alpha channel support in swscale
844c6852 105 --disable-all disable building components, libraries and programs
3b327a4b 106
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107Program options:
108 --disable-programs do not build command line programs
6291d7e4 109 --disable-avconv disable avconv build
266463da 110 --disable-avplay disable avplay build
9e12f0bf 111 --disable-avprobe disable avprobe build
894682a9 112 --disable-avserver deprecated, does nothing
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113
114Component options:
115 --disable-doc do not build documentation
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116 --disable-avdevice disable libavdevice build
117 --disable-avcodec disable libavcodec build
118 --disable-avformat disable libavformat build
d89f2fa9 119 --disable-avutil disable libavutil build
5a0f7131 120 --disable-swscale disable libswscale build
cccc039f 121 --disable-avfilter disable video filter support [no]
c8af852b 122 --disable-avresample disable libavresample build [no]
0dbfc1db 123 --disable-pthreads disable pthreads [auto]
7b7b220c 124 --disable-w32threads disable Win32 threads [auto]
06454877 125 --disable-network disable network support [no]
7f3f5f46 126 --disable-dct disable DCT code
0b499c9b 127 --disable-error-resilience disable error resilience code
193cdd9a 128 --disable-lsp disable LSP code
2a91ada8 129 --disable-lzo disable LZO decoder code
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130 --disable-mdct disable MDCT code
131 --disable-rdft disable RDFT code
3b327a4b 132 --disable-fft disable FFT code
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133
134Hardware accelerators:
3b327a4b 135 --enable-dxva2 enable DXVA2 code
dcb73592 136 --enable-vaapi enable VAAPI code
ac3dbb4d 137 --enable-vda enable VDA code
e8f6bd4b 138 --enable-vdpau enable VDPAU code
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139
140Individual component options:
bb55e3a3 141 --disable-everything disable all components listed below
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142 --disable-encoder=NAME disable encoder NAME
143 --enable-encoder=NAME enable encoder NAME
144 --disable-encoders disable all encoders
145 --disable-decoder=NAME disable decoder NAME
146 --enable-decoder=NAME enable decoder NAME
147 --disable-decoders disable all decoders
148 --disable-hwaccel=NAME disable hwaccel NAME
149 --enable-hwaccel=NAME enable hwaccel NAME
150 --disable-hwaccels disable all hwaccels
151 --disable-muxer=NAME disable muxer NAME
152 --enable-muxer=NAME enable muxer NAME
153 --disable-muxers disable all muxers
154 --disable-demuxer=NAME disable demuxer NAME
155 --enable-demuxer=NAME enable demuxer NAME
156 --disable-demuxers disable all demuxers
157 --enable-parser=NAME enable parser NAME
158 --disable-parser=NAME disable parser NAME
159 --disable-parsers disable all parsers
160 --enable-bsf=NAME enable bitstream filter NAME
161 --disable-bsf=NAME disable bitstream filter NAME
162 --disable-bsfs disable all bitstream filters
163 --enable-protocol=NAME enable protocol NAME
164 --disable-protocol=NAME disable protocol NAME
165 --disable-protocols disable all protocols
3b327a4b 166 --enable-indev=NAME enable input device NAME
06454877 167 --disable-indev=NAME disable input device NAME
06454877 168 --disable-indevs disable input devices
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169 --enable-outdev=NAME enable output device NAME
170 --disable-outdev=NAME disable output device NAME
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171 --disable-outdevs disable output devices
172 --disable-devices disable all devices
173 --enable-filter=NAME enable filter NAME
174 --disable-filter=NAME disable filter NAME
175 --disable-filters disable all filters
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176
177External library support:
03039f4c 178 --enable-avisynth enable reading of AviSynth script files [no]
06454877 179 --enable-bzlib enable bzlib [autodetect]
47941088 180 --enable-frei0r enable frei0r video filtering
bc8c1395 181 --enable-gnutls enable gnutls [no]
1c0210c7 182 --enable-libbs2b enable bs2b DSP library [no]
e417d80d 183 --enable-libcdio enable audio CD grabbing with libcdio
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184 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
185 and libraw1394 [no]
c547e5ff 186 --enable-libfaac enable AAC encoding via libfaac [no]
4f2b469d 187 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
a5b64584 188 --enable-libfreetype enable libfreetype [no]
c547e5ff 189 --enable-libgsm enable GSM de/encoding via libgsm [no]
3641b048 190 --enable-libilbc enable iLBC de/encoding via libilbc [no]
06454877 191 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
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192 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
193 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
194 --enable-libopencv enable video filtering via libopencv [no]
453c02f9 195 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
7c5ca546 196 --enable-libopus enable Opus de/encoding via libopus [no]
7c922411 197 --enable-libpulse enable Pulseaudio input via libpulse [no]
0f943ce6 198 --enable-librtmp enable RTMP[E] support via librtmp [no]
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199 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
200 --enable-libspeex enable Speex de/encoding via libspeex [no]
06454877 201 --enable-libtheora enable Theora encoding via libtheora [no]
718907cd 202 --enable-libtwolame enable MP2 encoding via libtwolame [no]
d89e738a 203 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
f502ff3f 204 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
c547e5ff 205 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
3f111804 206 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
84d3ff50 207 --enable-libwavpack enable wavpack encoding via libwavpack [no]
be7c3231 208 --enable-libwebp enable WebP encoding via libwebp [no]
06454877 209 --enable-libx264 enable H.264 encoding via x264 [no]
50ea9315 210 --enable-libx265 enable HEVC encoding via x265 [no]
de295976 211 --enable-libxavs enable AVS encoding via xavs [no]
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212 --enable-libxvid enable Xvid encoding via xvidcore,
213 native MPEG-4/Xvid encoder exists [no]
a060866f 214 --enable-openssl enable openssl [no]
45235ac4 215 --enable-x11grab enable X11 grabbing [no]
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216 --enable-zlib enable zlib [autodetect]
217
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218Toolchain options:
219 --arch=ARCH select architecture [$arch]
220 --cpu=CPU select the minimum required CPU (affects
221 instruction selection, may crash on older CPUs)
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222 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
223 --enable-cross-compile assume a cross-compiler is used
224 --sysroot=PATH root of cross-build tree
225 --sysinclude=PATH location of cross-build system headers
226 --target-os=OS compiler targets OS [$target_os]
227 --target-exec=CMD command to run executables on target
228 --target-path=DIR path to view of build directory on target
ba13606c 229 --target-samples=DIR path to samples directory on target
aeeb782c 230 --toolchain=NAME set tool defaults according to NAME
06454877 231 --nm=NM use nm tool
121d78d0 232 --ar=AR use archive tool AR [$ar_default]
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233 --as=AS use assembler AS [$as_default]
234 --cc=CC use C compiler CC [$cc_default]
193cdd9a 235 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
06454877 236 --ld=LD use linker LD
852c329a 237 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
390acbea 238 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
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239 --host-cc=HOSTCC use host C compiler HOSTCC
240 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
4cc4b33f 241 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
095792f2 242 --host-ld=HOSTLD use host linker HOSTLD
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243 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
244 --host-libs=HLIBS use libs HLIBS when linking for host
193cdd9a 245 --host-os=OS compiler host OS [$target_os]
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246 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
247 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
bb0babd7 248 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
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249 --extra-libs=ELIBS add ELIBS [$ELIBS]
250 --extra-version=STRING version string suffix []
193cdd9a 251 --optflags=OPTFLAGS override optimization-related compiler flags
06454877 252 --build-suffix=SUFFIX library name suffix []
3b327a4b 253 --enable-pic build position-independent code
193cdd9a 254 --enable-thumb compile for Thumb instruction set
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255 --enable-lto use link-time optimization
256
257Advanced options (experts only):
258 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
3b327a4b 259 --disable-symver disable symbol versioning
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260 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
261 --disable-safe-bitstream-reader
262 disable buffer boundary checking in bitreaders
263 (faster, but may crash)
264 --enable-memalign-hack emulate memalign, interferes with memory debuggers
b3c6ee19 265 --enable-sram allow use of on-chip SRAM
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266
267Optimization options (experts only):
463a7cde 268 --disable-asm disable all assembly optimizations
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269 --disable-altivec disable AltiVec optimizations
270 --disable-amd3dnow disable 3DNow! optimizations
271 --disable-amd3dnowext disable 3DNow! extended optimizations
272 --disable-mmx disable MMX optimizations
239fdf1b 273 --disable-mmxext disable MMXEXT optimizations
06454877 274 --disable-sse disable SSE optimizations
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275 --disable-sse2 disable SSE2 optimizations
276 --disable-sse3 disable SSE3 optimizations
06454877 277 --disable-ssse3 disable SSSE3 optimizations
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278 --disable-sse4 disable SSE4 optimizations
279 --disable-sse42 disable SSE4.2 optimizations
87f1355f 280 --disable-avx disable AVX optimizations
10b0161d 281 --disable-xop disable XOP optimizations
1b932eb1 282 --disable-fma3 disable FMA3 optimizations
79687079 283 --disable-fma4 disable FMA4 optimizations
4d6ee072 284 --disable-avx2 disable AVX2 optimizations
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285 --disable-armv5te disable armv5te optimizations
286 --disable-armv6 disable armv6 optimizations
287 --disable-armv6t2 disable armv6t2 optimizations
b3267559 288 --disable-vfp disable VFP optimizations
5ea20630 289 --disable-neon disable NEON optimizations
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290 --disable-inline-asm disable use of inline assembly
291 --disable-yasm disable use of nasm/yasm assembly
06454877 292
070c5d0f 293Developer options (useful when working on Libav itself):
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294 --disable-debug disable debugging symbols
295 --enable-debug=LEVEL set the debug level [$debuglevel]
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296 --disable-optimizations disable compiler optimizations
297 --enable-extra-warnings enable more compiler warnings
52b3cc60 298 --samples=PATH location of test samples for FATE, if not set use
9309bdfe 299 \$LIBAV_SAMPLES at make invocation time.
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300 --enable-neon-clobber-test check NEON registers for clobbering (should be
301 used only for debugging purposes)
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302 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
303 should be used only for debugging purposes)
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304 --enable-random randomly enable/disable components
305 --disable-random
306 --enable-random=LIST randomly enable/disable specific components or
307 --disable-random=LIST component groups. LIST is a comma-separated list
308 of NAME[:PROB] entries where NAME is a component
309 (group) and PROB the probability associated with
310 NAME (default 0.5).
311 --random-seed=VALUE seed value for --enable/disable-random
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312
313NOTE: Object files are built at the place where configure is launched.
314EOF
60e8bc13 315 exit 0
74c53c2d 316}
cf9d24ad 317
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318quotes='""'
319
57bd82d4 320log(){
2270b4b2 321 echo "$@" >> $logfile
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322}
323
720c69da 324log_file(){
c8e9f801 325 log BEGIN $1
2270b4b2 326 pr -n -t $1 >> $logfile
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327 log END $1
328}
329
2ba042a7 330echolog(){
c8e9f801 331 log "$@"
57bd82d4 332 echo "$@"
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333}
334
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335warn(){
336 log "WARNING: $*"
337 WARNINGS="${WARNINGS}WARNING: $*\n"
338}
339
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340die(){
341 echolog "$@"
342 cat <<EOF
d326cf7f 343
2ba042a7 344If you think configure made a mistake, make sure you are using the latest
4a6a21f5 345version from Git. If the latest version fails, report the problem to the
5045f6bd 346libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
2ba042a7 347EOF
e155a21a 348 if disabled logging; then
2ba042a7 349 cat <<EOF
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350Rerun configure with logging enabled (do not use --disable-logging), and
351include the log this produces with your report.
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352EOF
353 else
f69f51b3 354 cat <<EOF
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355Include the log file "$logfile" produced by configure as this will help
356solving the problem.
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357EOF
358 fi
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359 exit 1
360}
361
6c6007d6 362# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 363toupper(){
6c6007d6 364 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
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365}
366
4a5444db 367tolower(){
6c6007d6 368 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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369}
370
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371c_escape(){
372 echo "$*" | sed 's/["\\]/\\\0/g'
373}
374
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375sh_quote(){
376 v=$(echo "$1" | sed "s/'/'\\\\''/g")
d72c981c 377 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
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378 echo "$v"
379}
380
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381cleanws(){
382 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
383}
384
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385filter(){
386 pat=$1
387 shift
388 for v; do
98ef6079 389 eval "case $v in $pat) echo $v ;; esac"
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390 done
391}
392
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393filter_out(){
394 pat=$1
395 shift
396 for v; do
397 eval "case $v in $pat) ;; *) echo $v ;; esac"
398 done
399}
400
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401map(){
402 m=$1
403 shift
e0e335a0 404 for v; do eval $m; done
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405}
406
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407add_suffix(){
408 suffix=$1
409 shift
410 for v; do echo ${v}${suffix}; done
411}
412
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413set_all(){
414 value=$1
415 shift
416 for var in $*; do
417 eval $var=$value
418 done
419}
420
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421set_weak(){
422 value=$1
423 shift
424 for var; do
425 eval : \${$var:=$value}
426 done
427}
428
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429sanitize_var_name(){
430 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
431}
432
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433set_safe(){
434 var=$1
435 shift
f868b24d 436 eval $(sanitize_var_name "$var")='$*'
3f8040db
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437}
438
439get_safe(){
f868b24d 440 eval echo \$$(sanitize_var_name "$1")
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441}
442
799c9e9b 443pushvar(){
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444 for pvar in $*; do
445 eval level=\${${pvar}_level:=0}
446 eval ${pvar}_${level}="\$$pvar"
447 eval ${pvar}_level=$(($level+1))
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448 done
449}
450
451popvar(){
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452 for pvar in $*; do
453 eval level=\${${pvar}_level:-0}
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454 test $level = 0 && continue
455 eval level=$(($level-1))
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456 eval $pvar="\${${pvar}_${level}}"
457 eval ${pvar}_level=$level
458 eval unset ${pvar}_${level}
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459 done
460}
461
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462enable(){
463 set_all yes $*
464}
465
466disable(){
467 set_all no $*
468}
469
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470enable_weak(){
471 set_weak yes $*
472}
473
474disable_weak(){
475 set_weak no $*
476}
477
72702705 478enable_safe(){
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479 for var; do
480 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
481 done
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482}
483
484disable_safe(){
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485 for var; do
486 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
487 done
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488}
489
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490do_enable_deep(){
491 for var; do
492 enabled $var && continue
493 eval sel="\$${var}_select"
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494 eval sgs="\$${var}_suggest"
495 pushvar var sgs
f9d328da 496 enable_deep $sel
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497 popvar sgs
498 enable_deep_weak $sgs
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499 popvar var
500 done
501}
502
503enable_deep(){
504 do_enable_deep $*
505 enable $*
506}
507
72a43668 508enable_deep_weak(){
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509 for var; do
510 disabled $var && continue
511 pushvar var
512 do_enable_deep $var
513 popvar var
514 enable_weak $var
515 done
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516}
517
57bd82d4 518enabled(){
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519 test "${1#!}" = "$1" && op== || op=!=
520 eval test "x\$${1#!}" $op "xyes"
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521}
522
37970ebf 523disabled(){
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524 test "${1#!}" = "$1" && op== || op=!=
525 eval test "x\$${1#!}" $op "xno"
37970ebf
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526}
527
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528enabled_all(){
529 for opt; do
530 enabled $opt || return 1
531 done
532}
533
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534disabled_all(){
535 for opt; do
536 disabled $opt || return 1
537 done
538}
539
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540enabled_any(){
541 for opt; do
542 enabled $opt && return 0
543 done
544}
545
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546disabled_any(){
547 for opt; do
548 disabled $opt && return 0
549 done
f7b230a7 550 return 1
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551}
552
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553set_default(){
554 for opt; do
88268e94 555 eval : \${$opt:=\$${opt}_default}
c9d19248
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556 done
557}
558
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AJ
559is_in(){
560 value=$1
561 shift
562 for var in $*; do
563 [ $var = $value ] && return 0
564 done
565 return 1
566}
567
d4f8cecc 568do_check_deps(){
30fd06be 569 for cfg; do
3250003c 570 cfg="${cfg#!}"
799c9e9b
MR
571 enabled ${cfg}_checking && die "Circular dependency for $cfg."
572 disabled ${cfg}_checking && continue
573 enable ${cfg}_checking
d4f8cecc 574 append allopts $cfg
799c9e9b 575
30fd06be
MR
576 eval dep_all="\$${cfg}_deps"
577 eval dep_any="\$${cfg}_deps_any"
7ef3425f 578 eval dep_sel="\$${cfg}_select"
c510c7b5 579 eval dep_sgs="\$${cfg}_suggest"
3d7453e0
MR
580 eval dep_ifa="\$${cfg}_if"
581 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 582
3d7453e0 583 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
d4f8cecc 584 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
3d7453e0 585 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 586
3d7453e0
MR
587 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
588 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
6a702d4c
MR
589 enabled_all $dep_all || disable $cfg
590 enabled_any $dep_any || disable $cfg
7ef3425f 591 disabled_any $dep_sel && disable $cfg
799c9e9b 592
4ec45764 593 if enabled $cfg; then
f9d328da 594 enable_deep $dep_sel
c510c7b5 595 enable_deep_weak $dep_sgs
4ec45764
RP
596 fi
597
799c9e9b 598 disable ${cfg}_checking
30fd06be
MR
599 done
600}
601
d4f8cecc
MR
602check_deps(){
603 unset allopts
604
605 do_check_deps "$@"
606
607 for cfg in $allopts; do
608 enabled $cfg || continue
609 eval dep_extralibs="\$${cfg}_extralibs"
610 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
611 done
612}
613
44161118
MR
614print_config(){
615 pfx=$1
72cfcf41
MR
616 files=$2
617 shift 2
f454e879
MR
618 map 'eval echo "$v \${$v:-no}"' "$@" |
619 awk "BEGIN { split(\"$files\", files) }
620 {
621 c = \"$pfx\" toupper(\$1);
622 v = \$2;
623 sub(/yes/, 1, v);
624 sub(/no/, 0, v);
625 for (f in files) {
626 file = files[f];
627 if (file ~ /\\.h\$/) {
628 printf(\"#define %s %d\\n\", c, v) >>file;
629 } else if (file ~ /\\.asm\$/) {
630 printf(\"%%define %s %d\\n\", c, v) >>file;
631 } else if (file ~ /\\.mak\$/) {
d16c4aeb 632 n = -v ? \"\" : \"!\";
f454e879
MR
633 printf(\"%s%s=yes\\n\", n, c) >>file;
634 }
635 }
636 }"
57bd82d4
MR
637}
638
31c0121d 639print_enabled(){
31c0121d
MR
640 suf=$1
641 shift
642 for v; do
9eda2a85 643 enabled $v && printf "%s\n" ${v%$suf};
31c0121d
MR
644 done
645}
646
57bd82d4
MR
647append(){
648 var=$1
649 shift
57bd82d4
MR
650 eval "$var=\"\$$var $*\""
651}
652
60361817
MR
653prepend(){
654 var=$1
655 shift
656 eval "$var=\"$* \$$var\""
657}
658
44951174
JG
659unique(){
660 var=$1
661 uniq_list=""
662 for tok in $(eval echo \$$var); do
663 uniq_list="$(filter_out $tok $uniq_list) $tok"
664 done
665 eval "$var=\"${uniq_list}\""
666}
667
50a334e4 668add_cppflags(){
cd52ec95 669 append CPPFLAGS "$@"
50a334e4
MR
670}
671
57bd82d4 672add_cflags(){
01d31e16 673 append CFLAGS $($cflags_filter "$@")
57bd82d4
MR
674}
675
2f2e6c7c 676add_asflags(){
01d31e16 677 append ASFLAGS $($asflags_filter "$@")
2f2e6c7c
MR
678}
679
57bd82d4 680add_ldflags(){
64933b6c 681 append LDFLAGS $($ldflags_filter "$@")
57bd82d4
MR
682}
683
bb0babd7
LB
684add_ldexeflags(){
685 append LDEXEFLAGS $($ldflags_filter "$@")
686}
687
0673ede9
VG
688add_stripflags(){
689 append STRIPFLAGS "$@"
690}
691
57bd82d4 692add_extralibs(){
64933b6c 693 prepend extralibs $($ldflags_filter "$@")
57bd82d4
MR
694}
695
4cc4b33f
DB
696add_host_cppflags(){
697 append host_cppflags "$@"
698}
699
6c3fa06a
MR
700add_host_cflags(){
701 append host_cflags $($host_cflags_filter "$@")
702}
703
704add_host_ldflags(){
705 append host_ldflags $($host_ldflags_filter "$@")
706}
707
84e65c76
MR
708add_compat(){
709 append compat_objs $1
710 shift
711 map 'add_cppflags -D$v' "$@"
712}
713
b0cfb663 714check_cmd(){
b3cb5d51 715 log "$@"
2270b4b2 716 "$@" >> $logfile 2>&1
b0cfb663
MR
717}
718
b2704a65
MR
719cc_o(){
720 eval printf '%s\\n' $CC_O
721}
722
18031c49
MR
723cc_e(){
724 eval printf '%s\\n' $CC_E
725}
726
dcd479c0 727check_cc(){
57bd82d4 728 log check_cc "$@"
2270b4b2 729 cat > $TMPC
720c69da 730 log_file $TMPC
23565c26 731 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
57bd82d4
MR
732}
733
734check_cpp(){
735 log check_cpp "$@"
2270b4b2 736 cat > $TMPC
720c69da 737 log_file $TMPC
18031c49 738 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
dcd479c0
MR
739}
740
df0d6341
MR
741as_o(){
742 eval printf '%s\\n' $AS_O
743}
744
f65883c8
MR
745check_as(){
746 log check_as "$@"
7fd90119
MR
747 cat > $TMPS
748 log_file $TMPS
749 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
f65883c8
MR
750}
751
575db883
DB
752check_inline_asm(){
753 log check_inline_asm "$@"
940f335a 754 name="$1"
3784e82e 755 code="$2"
940f335a 756 shift 2
49214f61 757 disable $name
7fd90119 758 check_cc "$@" <<EOF && enable $name
3784e82e 759void foo(void){ __asm__ volatile($code); }
940f335a
MR
760EOF
761}
762
c6ebc9fa
MR
763check_insn(){
764 log check_insn "$@"
765 check_inline_asm ${1}_inline "\"$2\""
766 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
767}
768
304d586d
LM
769check_yasm(){
770 log check_yasm "$@"
771 echo "$1" > $TMPS
772 log_file $TMPS
773 shift 1
774 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
775}
776
29b64b68
MR
777ld_o(){
778 eval printf '%s\\n' $LD_O
779}
780
dcd479c0 781check_ld(){
57bd82d4 782 log check_ld "$@"
66a1ccd7
MR
783 flags=$(filter_out '-l*' "$@")
784 libs=$(filter '-l*' "$@")
01d31e16 785 check_cc $($cflags_filter $flags) || return
64933b6c
MR
786 flags=$($ldflags_filter $flags)
787 libs=$($ldflags_filter $libs)
29b64b68 788 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
dcd479c0
MR
789}
790
52ccc4a0
DB
791print_include(){
792 hdr=$1
793 test "${hdr%.h}" = "${hdr}" &&
794 echo "#include $hdr" ||
795 echo "#include <$hdr>"
796}
797
5adc829e
MR
798check_code(){
799 log check_code "$@"
800 check=$1
801 headers=$2
802 code=$3
803 shift 3
804 {
805 for hdr in $headers; do
52ccc4a0 806 print_include $hdr
5adc829e
MR
807 done
808 echo "int main(void) { $code; return 0; }"
809 } | check_$check "$@"
810}
811
50a334e4
MR
812check_cppflags(){
813 log check_cppflags "$@"
caf458dd 814 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
815int x;
816EOF
817}
818
23157d72
DB
819test_cflags(){
820 log test_cflags "$@"
01d31e16 821 set -- $($cflags_filter "$@")
23157d72 822 check_cc "$@" <<EOF
dcd479c0
MR
823int x;
824EOF
825}
826
23157d72
DB
827check_cflags(){
828 log check_cflags "$@"
829 test_cflags "$@" && add_cflags "$@"
830}
831
2ed46eea
MR
832test_ldflags(){
833 log test_ldflags "$@"
834 check_ld "$@" <<EOF
c23a0ac8 835int main(void){ return 0; }
dcd479c0
MR
836EOF
837}
838
2ed46eea
MR
839check_ldflags(){
840 log check_ldflags "$@"
841 test_ldflags "$@" && add_ldflags "$@"
842}
843
0673ede9
VG
844test_stripflags(){
845 log test_stripflags "$@"
846 # call check_cc to get a fresh TMPO
847 check_cc <<EOF
848int main(void) { return 0; }
849EOF
850 check_cmd $strip $STRIPFLAGS "$@" $TMPO
851}
852
853check_stripflags(){
854 log check_stripflags "$@"
855 test_stripflags "$@" && add_stripflags "$@"
856}
857
dcd479c0 858check_header(){
57bd82d4 859 log check_header "$@"
dcd479c0
MR
860 header=$1
861 shift
b77df637
MR
862 disable_safe $header
863 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
864#include <$header>
865int x;
866EOF
867}
868
869check_func(){
57bd82d4 870 log check_func "$@"
dcd479c0
MR
871 func=$1
872 shift
d8bc5f06
MR
873 disable $func
874 check_ld "$@" <<EOF && enable $func
dcd479c0 875extern int $func();
c23a0ac8 876int main(void){ $func(); }
dcd479c0
MR
877EOF
878}
879
645d2652 880check_mathfunc(){
6b73c0ae 881 log check_mathfunc "$@"
645d2652 882 func=$1
1aa07aa2
MR
883 narg=$2
884 shift 2
885 test $narg = 2 && args="f, g" || args="f"
645d2652
MR
886 disable $func
887 check_ld "$@" <<EOF && enable $func
888#include <math.h>
1aa07aa2 889float foo(float f, float g) { return $func($args); }
33bd38db 890int main(void){ return 0; }
645d2652
MR
891EOF
892}
893
2446d3d6
DB
894check_func_headers(){
895 log check_func_headers "$@"
f8d7b072 896 headers=$1
edaf1ae2 897 funcs=$2
f8d7b072 898 shift 2
edaf1ae2
MR
899 {
900 for hdr in $headers; do
52ccc4a0 901 print_include $hdr
edaf1ae2
MR
902 done
903 for func in $funcs; do
904 echo "long check_$func(void) { return (long) $func; }"
905 done
906 echo "int main(void) { return 0; }"
907 } | check_ld "$@" && enable $funcs && enable_safe $headers
f8d7b072
MR
908}
909
a5344cf7
SS
910check_cpp_condition(){
911 log check_cpp_condition "$@"
912 header=$1
913 condition=$2
f855b7b9 914 shift 2
cd52ec95 915 check_cpp "$@" <<EOF
a5344cf7
SS
916#include <$header>
917#if !($condition)
918#error "unsatisfied condition: $condition"
919#endif
920EOF
921}
922
57bd82d4
MR
923check_lib(){
924 log check_lib "$@"
925 header="$1"
926 func="$2"
927 shift 2
84400e9d 928 check_header $header && check_func $func "$@" && add_extralibs "$@"
57bd82d4
MR
929}
930
f8d7b072
MR
931check_lib2(){
932 log check_lib2 "$@"
933 headers="$1"
edaf1ae2 934 funcs="$2"
f8d7b072 935 shift 2
edaf1ae2 936 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
f8d7b072
MR
937}
938
3f8040db
MR
939check_pkg_config(){
940 log check_pkg_config "$@"
941 pkg="$1"
942 headers="$2"
943 funcs="$3"
944 shift 3
7f9e893f 945 check_cmd $pkg_config --exists --print-errors $pkg || return
390acbea
LB
946 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
947 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
3f8040db
MR
948 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
949 set_safe ${pkg}_cflags $pkg_cflags &&
950 set_safe ${pkg}_libs $pkg_libs
951}
952
dcd479c0 953check_exec(){
2270b4b2 954 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
955}
956
7dfef245 957check_exec_crash(){
5e622c40 958 code=$(cat)
7dfef245
MR
959
960 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
961 # are safe but may not be available everywhere. Thus we use
962 # raise(SIGTERM) instead. The check is run in a subshell so we
963 # can redirect the "Terminated" message from the shell. SIGBUS
964 # is not defined by standard C so it is used conditionally.
965
2270b4b2 966 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
967#include <signal.h>
968static void sighandler(int sig){
969 raise(SIGTERM);
970}
692dd8ed
MR
971int foo(void){
972 $code
973}
9495cd17 974int (*func_ptr)(void) = foo;
e5af4a11 975int main(void){
7dfef245
MR
976 signal(SIGILL, sighandler);
977 signal(SIGFPE, sighandler);
978 signal(SIGSEGV, sighandler);
979#ifdef SIGBUS
980 signal(SIGBUS, sighandler);
981#endif
9495cd17 982 return func_ptr();
7dfef245
MR
983}
984EOF
985}
986
72be9e73
DY
987check_type(){
988 log check_type "$@"
989 headers=$1
990 type=$2
991 shift 2
ae550ce9 992 disable_safe "$type"
5adc829e 993 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
72be9e73
DY
994}
995
14d36751 996check_struct(){
813b82b9 997 log check_struct "$@"
14d36751
MR
998 headers=$1
999 struct=$2
1000 member=$3
1001 shift 3
1002 disable_safe "${struct}_${member}"
5adc829e
MR
1003 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1004 enable_safe "${struct}_${member}"
14d36751
MR
1005}
1006
9c7d85b3
DB
1007check_builtin(){
1008 log check_builtin "$@"
1009 name=$1
1010 headers=$2
1011 builtin=$3
1012 shift 3
1013 disable "$name"
1014 check_code ld "$headers" "$builtin" "$@" && enable "$name"
1015}
1016
e854b8f9
AK
1017check_compile_assert(){
1018 log check_compile_assert "$@"
1019 name=$1
1020 headers=$2
1021 condition=$3
1022 shift 3
1023 disable "$name"
1024 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1025}
1026
57bd82d4
MR
1027require(){
1028 name="$1"
1029 header="$2"
1030 func="$3"
1031 shift 3
1032 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
1033}
1034
f8d7b072
MR
1035require2(){
1036 name="$1"
1037 headers="$2"
1038 func="$3"
1039 shift 3
1040 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1041}
1042
3f8040db
MR
1043require_pkg_config(){
1044 pkg="$1"
1045 check_pkg_config "$@" || die "ERROR: $pkg not found"
1046 add_cflags $(get_safe ${pkg}_cflags)
1047 add_extralibs $(get_safe ${pkg}_libs)
1048}
1049
27565164
DB
1050hostcc_e(){
1051 eval printf '%s\\n' $HOSTCC_E
1052}
1053
ae43c4c0
MR
1054hostcc_o(){
1055 eval printf '%s\\n' $HOSTCC_O
1056}
1057
f0125de9
MR
1058check_host_cc(){
1059 log check_host_cc "$@"
1060 cat > $TMPC
1061 log_file $TMPC
ae43c4c0 1062 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
f0125de9
MR
1063}
1064
27565164
DB
1065check_host_cpp(){
1066 log check_host_cpp "$@"
1067 cat > $TMPC
1068 log_file $TMPC
1069 check_cmd $host_cc $HOSTCPPFLAGS $HOSTCFLAGS "$@" $(hostcc_e $TMPO) $TMPC
1070}
1071
4cc4b33f
DB
1072check_host_cppflags(){
1073 log check_host_cppflags "$@"
1074 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1075int x;
1076EOF
1077}
1078
f0125de9
MR
1079check_host_cflags(){
1080 log check_host_cflags "$@"
6c3fa06a 1081 set -- $($host_cflags_filter "$@")
f0125de9
MR
1082 check_host_cc "$@" <<EOF && append host_cflags "$@"
1083int x;
1084EOF
1085}
1086
27565164
DB
1087check_host_cpp_condition(){
1088 log check_host_cpp_condition "$@"
1089 header=$1
1090 condition=$2
1091 shift 2
1092 check_host_cpp "$@" <<EOF
1093#include <$header>
1094#if !($condition)
1095#error "unsatisfied condition: $condition"
1096#endif
1097EOF
1098}
1099
c505dd31
MR
1100apply(){
1101 file=$1
1102 shift
1103 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1104}
1105
c34681df 1106cp_if_changed(){
5e27ec28
MR
1107 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1108 mkdir -p "$(dirname $2)"
4ebc6a74 1109 $cp_f "$1" "$2"
c34681df
MR
1110}
1111
dcd61286
DB
1112# CONFIG_LIST contains configurable options, while HAVE_LIST is for
1113# system-dependent things.
1114
4a0d6686
AJ
1115COMPONENT_LIST="
1116 bsfs
1117 decoders
1118 demuxers
1119 encoders
3cde40aa 1120 filters
5666fd73 1121 hwaccels
c552605c 1122 indevs
4a0d6686 1123 muxers
c552605c 1124 outdevs
4a0d6686
AJ
1125 parsers
1126 protocols
1127"
1128
ab81f24a 1129EXAMPLE_LIST="
b339182e 1130 avcodec_example
e7dfaf16 1131 filter_audio_example
b339182e 1132 metadata_example
ab81f24a 1133 output_example
10421bcf 1134 transcode_aac_example
ab81f24a
DB
1135"
1136
3fc09b00
MR
1137EXTERNAL_LIBRARY_LIST="
1138 avisynth
1139 bzlib
1140 frei0r
1141 gnutls
1c0210c7 1142 libbs2b
3fc09b00
MR
1143 libcdio
1144 libdc1394
1145 libfaac
1146 libfdk_aac
f1b239ec 1147 libfontconfig
3fc09b00
MR
1148 libfreetype
1149 libgsm
1150 libilbc
1151 libmp3lame
1152 libopencore_amrnb
1153 libopencore_amrwb
1154 libopencv
1155 libopenjpeg
1156 libopus
1157 libpulse
1158 librtmp
1159 libschroedinger
1160 libspeex
1161 libtheora
718907cd 1162 libtwolame
3fc09b00
MR
1163 libvo_aacenc
1164 libvo_amrwbenc
1165 libvorbis
1166 libvpx
84d3ff50 1167 libwavpack
be7c3231 1168 libwebp
3fc09b00 1169 libx264
50ea9315 1170 libx265
3fc09b00
MR
1171 libxavs
1172 libxvid
1173 openssl
1174 x11grab
1175 zlib
1176"
1177
d0adf55c
DB
1178FEATURE_LIST="
1179 gray
1180 hardcoded_tables
1181 runtime_cpudetect
1182 safe_bitstream_reader
1183 shared
1184 small
1185 sram
1186 static
1187 swscale_alpha
1188"
1189
70b348ec
DB
1190HWACCEL_LIST="
1191 dxva2
1192 vaapi
1193 vda
1194 vdpau
1195"
7caf48e0 1196
d89f2fa9
DB
1197LIBRARY_LIST="
1198 avcodec
1199 avdevice
1200 avfilter
1201 avformat
1202 avresample
1203 avutil
1204 swscale
1205"
1206
d0adf55c
DB
1207LICENSE_LIST="
1208 gpl
1209 nonfree
1210 version3
1211"
1212
055c61b8
DB
1213PROGRAM_LIST="
1214 avconv
1215 avplay
1216 avprobe
055c61b8
DB
1217"
1218
d0adf55c 1219SUBSYSTEM_LIST="
7f3f5f46 1220 dct
4da3f410 1221 doc
0b499c9b 1222 error_resilience
1848f7d9 1223 fft
b781cc12 1224 lsp
2a91ada8 1225 lzo
47a158cb 1226 mdct
d0adf55c
DB
1227 network
1228 rdft
1229"
1230
1231CONFIG_LIST="
1232 $COMPONENT_LIST
1233 $EXAMPLE_LIST
1234 $EXTERNAL_LIBRARY_LIST
1235 $FEATURE_LIST
1236 $HWACCEL_LIST
1237 $LICENSE_LIST
1238 $LIBRARY_LIST
1239 $PROGRAM_LIST
1240 $SUBSYSTEM_LIST
c88f5d72 1241 memalign_hack
44a0a98f 1242 neon_clobber_test
8a3c8627 1243 pic
7caf48e0 1244 pod2man
f187557a 1245 texi2html
8986fddc 1246 thumb
7e4d9d5d 1247 xmm_clobber_test
4a0d6686 1248"
c88f5d72 1249
7caf48e0 1250THREADS_LIST="
8eee7025
DB
1251 pthreads
1252 w32threads
7caf48e0 1253"
8eee7025 1254
7caf48e0 1255ATOMICS_LIST="
f9f6402e 1256 atomics_gcc
f9f6402e 1257 atomics_suncc
93e65e9a 1258 atomics_win32
7caf48e0 1259"
f9f6402e 1260
7caf48e0 1261ARCH_LIST="
5873b623 1262 aarch64
3f5b56e5 1263 alpha
a2fc0f6a 1264 arm
fdcd782d
MR
1265 avr32
1266 avr32_ap
1267 avr32_uc
3f5b56e5
MR
1268 bfin
1269 ia64
1270 m68k
1271 mips
bae3abb0 1272 mips64
3f5b56e5 1273 parisc
79cb09b2 1274 ppc
34d11b87 1275 ppc64
3f5b56e5
MR
1276 s390
1277 sh4
1278 sparc
1279 sparc64
c75848cd
DB
1280 tilegx
1281 tilepro
0844bae1 1282 tomi
3f5b56e5
MR
1283 x86
1284 x86_32
1285 x86_64
7caf48e0 1286"
3f5b56e5 1287
7caf48e0 1288ARCH_EXT_LIST_ARM="
81dfa21e
MR
1289 armv5te
1290 armv6
1291 armv6t2
8675bcb0 1292 armv8
81dfa21e 1293 neon
b3267559 1294 vfp
81dfa21e 1295 vfpv3
7caf48e0 1296"
81dfa21e 1297
7caf48e0 1298ARCH_EXT_LIST_X86_SIMD="
3bf96eec 1299 amd3dnow
a1ef9f08 1300 amd3dnowext
50cd43f2 1301 avx
4d6ee072 1302 avx2
1b932eb1 1303 fma3
50cd43f2
DB
1304 fma4
1305 mmx
1306 mmxext
1307 sse
1308 sse2
1309 sse3
1310 sse4
1311 sse42
1312 ssse3
7caf48e0
DB
1313 xop
1314"
50cd43f2 1315
7a650caf
DB
1316ARCH_EXT_LIST_PPC="
1317 altivec
1318 dcbzl
1319 ldbrx
1320 ppc4xx
1321"
1322
84bf8817
DB
1323ARCH_EXT_LIST_X86="
1324 $ARCH_EXT_LIST_X86_SIMD
1325 cpunop
1326 i686
1327"
1328
50cd43f2 1329ARCH_EXT_LIST="
81dfa21e 1330 $ARCH_EXT_LIST_ARM
7a650caf 1331 $ARCH_EXT_LIST_PPC
50cd43f2 1332 $ARCH_EXT_LIST_X86
7a650caf
DB
1333 loongson
1334 vis
50cd43f2 1335"
3f5b56e5 1336
7a650caf
DB
1337ARCH_FEATURES="
1338 aligned_stack
1339 fast_64bit
1340 fast_clz
1341 fast_cmov
1342 local_aligned_8
1343 local_aligned_16
eba2233b 1344 simd_align_16
7a650caf
DB
1345"
1346
1347BUILTIN_LIST="
1348 atomic_cas_ptr
1349 machine_rw_barrier
1350 MemoryBarrier
1351 mm_empty
1352 rdtsc
1353 sync_val_compare_and_swap
1354"
7caf48e0 1355HAVE_LIST_CMDLINE="
fd712a55
DB
1356 inline_asm
1357 symver
1358 yasm
7caf48e0 1359"
fd712a55 1360
7caf48e0 1361HAVE_LIST_PUB="
a3e02a8c 1362 bigendian
d268eee9 1363 fast_unaligned
7caf48e0 1364"
a3e02a8c 1365
7a650caf
DB
1366HEADERS_LIST="
1367 alsa_asoundlib_h
1368 altivec_h
1369 arpa_inet_h
1370 cdio_paranoia_h
1371 cdio_paranoia_paranoia_h
1372 dev_bktr_ioctl_bt848_h
1373 dev_bktr_ioctl_meteor_h
1374 dev_ic_bt8xx_h
1375 dev_video_bktr_ioctl_bt848_h
1376 dev_video_meteor_ioctl_meteor_h
1377 direct_h
1378 dlfcn_h
1379 dxva_h
1380 gsm_h
1381 io_h
1382 mach_mach_time_h
1383 machine_ioctl_bt848_h
1384 machine_ioctl_meteor_h
1385 malloc_h
1386 poll_h
1387 sndio_h
1388 soundcard_h
1389 sys_mman_h
1390 sys_param_h
1391 sys_resource_h
1392 sys_select_h
1393 sys_soundcard_h
1394 sys_time_h
1395 sys_un_h
1396 sys_videoio_h
1397 unistd_h
1398 windows_h
1399 winsock2_h
1400"
1401
d45ebd48
JG
1402INTRINSICS_LIST="
1403 intrinsics_neon
1404"
1405
79042ab3 1406MATH_FUNCS="
fab0a8b2
MR
1407 atanf
1408 atan2f
79042ab3 1409 cbrtf
fab0a8b2 1410 cosf
79042ab3
DB
1411 exp2
1412 exp2f
fab0a8b2 1413 expf
79042ab3
DB
1414 isinf
1415 isnan
fab0a8b2 1416 ldexpf
79042ab3
DB
1417 llrint
1418 llrintf
1419 log2
1420 log2f
fab0a8b2 1421 log10f
79042ab3
DB
1422 lrint
1423 lrintf
fab0a8b2 1424 powf
79042ab3
DB
1425 rint
1426 round
1427 roundf
fab0a8b2 1428 sinf
79042ab3
DB
1429 trunc
1430 truncf
1431"
1432
7a650caf 1433SYSTEM_FUNCS="
be1a839c 1434 aligned_malloc
ebef9f5a 1435 clock_gettime
ecf97f22 1436 closesocket
15caccb9 1437 CommandLineToArgvW
a61c2115 1438 CoTaskMemFree
1093383d 1439 CryptGenRandom
c88f5d72 1440 dlopen
534a2231 1441 fcntl
e854b8f9 1442 flt_lim
9d99cc5a 1443 fork
84882df6 1444 getaddrinfo
da9e86f8 1445 gethrtime
667fb97a 1446 getopt
02e8f427 1447 GetProcessAffinityMask
fc5607f8 1448 GetProcessMemoryInfo
4e68cb8a 1449 GetProcessTimes
66be5b45 1450 getrusage
c3e73100 1451 getservbyport
7caf48e0 1452 GetSystemTimeAsFileTime
61183b5a 1453 gettimeofday
2e1913b1 1454 inet_aton
abfc8d05 1455 isatty
8772997d 1456 jack_port_get_latency_range
a5b64584 1457 localtime_r
c708b540 1458 mach_absolute_time
73f6d31e 1459 MapViewOfFile
c88f5d72 1460 memalign
6ffa87d3 1461 mkstemp
0328b9ea 1462 mmap
e98b02de 1463 mprotect
d3d3a32c 1464 nanosleep
1f91cdce 1465 posix_memalign
ea4d5f48 1466 sched_getaffinity
7e6a11bc 1467 SetConsoleTextAttribute
b507ebd1 1468 setmode
3e0b1c9a 1469 setrlimit
d3d3a32c 1470 Sleep
87958234 1471 strerror_r
6379900c 1472 strptime
7a650caf
DB
1473 sysconf
1474 sysctl
1475 usleep
1476 VirtualAlloc
1477"
1478
1479TOOLCHAIN_FEATURES="
896a5bff 1480 as_dn_directive
d5a55981 1481 as_func
7a650caf
DB
1482 asm_mod_q
1483 attribute_may_alias
1484 attribute_packed
1485 ebp_available
1486 ebx_available
1487 gnu_as
1488 ibm_asm
1489 inline_asm_labels
1490 pragma_deprecated
1491 symver_asm_label
1492 symver_gnu_asm
1493 vfp_args
1494 xform_asm
1495 xmm_clobbers
1496"
1497
1498TYPES_LIST="
1499 socklen_t
c0018613 1500 struct_addrinfo
75d339e0
MS
1501 struct_group_source_req
1502 struct_ip_mreq_source
b4d68544 1503 struct_ipv6_mreq
cdee08e3 1504 struct_pollfd
3e0b1c9a 1505 struct_rusage_ru_maxrss
b4d68544 1506 struct_sockaddr_in6
3b2372bf 1507 struct_sockaddr_sa_len
33a4dbdd 1508 struct_sockaddr_storage
a6a4793d 1509 struct_v4l2_frmivalenum_discrete
7a650caf
DB
1510"
1511
1512HAVE_LIST="
1513 $ARCH_EXT_LIST
1514 $(add_suffix _external $ARCH_EXT_LIST)
1515 $(add_suffix _inline $ARCH_EXT_LIST)
1516 $ARCH_FEATURES
1517 $ATOMICS_LIST
1518 $BUILTIN_LIST
1519 $HAVE_LIST_CMDLINE
1520 $HAVE_LIST_PUB
1521 $HEADERS_LIST
d45ebd48 1522 $INTRINSICS_LIST
7a650caf
DB
1523 $MATH_FUNCS
1524 $SYSTEM_FUNCS
1525 $THREADS_LIST
1526 $TOOLCHAIN_FEATURES
1527 $TYPES_LIST
1528 atomics_native
1529 dos_paths
a61c2115 1530 dxva2_lib
7a650caf
DB
1531 libc_msvcrt
1532 libdc1394_1
1533 libdc1394_2
1534 sdl
b265431e 1535 threads
7671dd7c 1536 vdpau_x11
7671dd7c 1537 xlib
0cb78cef 1538"
44161118 1539
511cf612 1540# options emitted with CONFIG_ prefix but not available on the command line
b6bb00b0 1541CONFIG_EXTRA="
87849592 1542 aandcttables
bfe9f48a 1543 ac3dsp
aa11cb79 1544 audio_frame_queue
9a9e2f1c 1545 audiodsp
e74433a8 1546 blockdsp
c67b449b 1547 bswapdsp
8ef33497 1548 cabac
f6ee61fb 1549 dvprofile
a9aee08d 1550 fdctdsp
bfe9f48a 1551 gcrypt
478fd534 1552 golomb
9cad0e4e 1553 gplv3
0338c396 1554 h263dsp
478fd534
DB
1555 h264chroma
1556 h264dsp
1557 h264pred
915a2a0a 1558 h264qpel
68d8238c 1559 hpeldsp
478fd534 1560 huffman
0d439fbe 1561 huffyuvdsp
512f3ffe 1562 huffyuvencdsp
e3fcb143 1563 idctdsp
bd499d9a 1564 iirfilter
dc4d726b 1565 intrax8
9cad0e4e 1566 lgplv3
478fd534 1567 lpc
2d604443 1568 me_cmp
7b9ef8d7 1569 mpeg_er
1e164c0b 1570 mpegaudio
bfe9f48a 1571 mpegaudiodsp
18bbca1f 1572 mpegvideo
ad08dfd5 1573 mpegvideoenc
bfe9f48a 1574 nettle
f46bb608 1575 pixblockdsp
368f5035 1576 qpeldsp
f704a079 1577 rangecoder
255d9c57 1578 riffdec
3dd5c95d 1579 riffenc
bfe9f48a 1580 rtpdec
5ad2f0bf 1581 rtpenc_chain
bfe9f48a 1582 sinewin
db7f1c7c 1583 startcode
57f09608 1584 tpeldsp
8c53d39e 1585 videodsp
ab9f9876 1586 vp3dsp
f2051856 1587 wma_freqs
b6bb00b0
MR
1588"
1589
520cc7f1 1590CMDLINE_SELECT="
3f5b56e5 1591 $ARCH_EXT_LIST
520cc7f1 1592 $CONFIG_LIST
fd712a55 1593 $HAVE_LIST_CMDLINE
8eee7025 1594 $THREADS_LIST
c8a4ae00 1595 asm
db6107b6 1596 cross_compile
520cc7f1
MR
1597 debug
1598 extra_warnings
8c6afa4d 1599 logging
65d12900 1600 lto
d2bbb2f7 1601 optimizations
749b1f13 1602 rpath
520cc7f1 1603"
426be5dc 1604
7caf48e0 1605PATHS_LIST="
d156bede 1606 bindir
14a8acf1 1607 datadir
f4ca970d 1608 docdir
26759c44
MR
1609 incdir
1610 libdir
26759c44
MR
1611 mandir
1612 prefix
1613 shlibdir
7caf48e0 1614"
426be5dc
DB
1615
1616CMDLINE_SET="
1617 $PATHS_LIST
121d78d0 1618 ar
426be5dc 1619 arch
313c46a6 1620 as
426be5dc
DB
1621 build_suffix
1622 cc
1623 cpu
1624 cross_prefix
50567afa 1625 dep_cc
ac63af34 1626 extra_version
9da6609f
MR
1627 host_cc
1628 host_cflags
095792f2 1629 host_ld
9da6609f
MR
1630 host_ldflags
1631 host_libs
82bb3329 1632 host_os
684b28e0 1633 ld
426be5dc 1634 logfile
4ae40685 1635 malloc_prefix
89641463 1636 nm
9cd7b854 1637 optflags
3f8040db 1638 pkg_config
390acbea 1639 pkg_config_flags
154caa67 1640 random_seed
2fad0977 1641 samples
c5200f17
MR
1642 sysinclude
1643 sysroot
a7ada2ba 1644 target_exec
26759c44 1645 target_os
a7ada2ba 1646 target_path
ba13606c 1647 target_samples
aeeb782c 1648 toolchain
426be5dc 1649"
520cc7f1 1650
89f2932b
MR
1651CMDLINE_APPEND="
1652 extra_cflags
4cc4b33f 1653 host_cppflags
89f2932b
MR
1654"
1655
912f3148
DB
1656# code dependency declarations
1657
9eeed841 1658# architecture extensions
808fa33c 1659
a2fc0f6a
MR
1660armv5te_deps="arm"
1661armv6_deps="arm"
ab5cb084 1662armv6t2_deps="arm"
8675bcb0 1663armv8_deps="aarch64"
b7b17ed6 1664neon_deps_any="aarch64 arm"
d45ebd48 1665intrinsics_neon_deps="neon"
b7b17ed6 1666vfp_deps_any="aarch64 arm"
b3267559 1667vfpv3_deps="vfp"
808fa33c 1668
637606de
MR
1669map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1670
808fa33c
MR
1671altivec_deps="ppc"
1672ppc4xx_deps="ppc"
1673
84146963
DB
1674cpunop_deps="i686"
1675x86_64_select="i686"
1676x86_64_suggest="fast_cmov"
50cd43f2 1677
808fa33c
MR
1678amd3dnow_deps="mmx"
1679amd3dnowext_deps="amd3dnow"
fb87e69f 1680i686_deps="x86"
9eeed841 1681mmx_deps="x86"
239fdf1b 1682mmxext_deps="mmx"
50cd43f2
DB
1683sse_deps="mmxext"
1684sse2_deps="sse"
1685sse3_deps="sse2"
1686ssse3_deps="sse3"
1687sse4_deps="ssse3"
1688sse42_deps="sse4"
1689avx_deps="sse42"
10b0161d 1690xop_deps="avx"
1b932eb1 1691fma3_deps="avx"
79687079 1692fma4_deps="avx"
4d6ee072 1693avx2_deps="avx"
9eeed841 1694
43b73d59
DB
1695mmx_external_deps="yasm"
1696mmx_inline_deps="inline_asm"
1697mmx_suggest="mmx_external mmx_inline"
1698
84bf8817 1699for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
43b73d59
DB
1700 eval dep=\$${ext}_deps
1701 eval ${ext}_external_deps='"${dep}_external"'
1702 eval ${ext}_inline_deps='"${dep}_inline"'
1703 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1704done
1705
032d4da8
JG
1706aligned_stack_if_any="aarch64 ppc x86"
1707fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1708fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1709fast_unaligned_if_any="aarch64 ppc x86"
eba2233b 1710simd_align_16_if_any="altivec neon sse"
89e053f8 1711
1a5fdf95
DB
1712# system capabilities
1713log2_deps="!libc_msvcrt"
1714
b462d132
MR
1715symver_if_any="symver_asm_label symver_gnu_asm"
1716
8558595a
DB
1717# threading support
1718atomics_gcc_if="sync_val_compare_and_swap"
1719atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1720atomics_win32_if="MemoryBarrier"
1721atomics_native_if_any="$ATOMICS_LIST"
874c751c 1722w32threads_deps="atomics_native"
8558595a
DB
1723threads_if_any="$THREADS_LIST"
1724
26fbcc85 1725# subsystems
dc609252 1726dct_select="rdft"
2d604443 1727error_resilience_select="me_cmp"
fbf4d219 1728intrax8_select="error_resilience"
26fbcc85
MR
1729mdct_select="fft"
1730rdft_select="fft"
2d604443 1731me_cmp_select="fdctdsp idctdsp pixblockdsp"
7b9ef8d7 1732mpeg_er_select="error_resilience"
1e164c0b 1733mpegaudio_select="mpegaudiodsp"
c4f5c2d6 1734mpegaudiodsp_select="dct"
2d604443
DB
1735mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp videodsp"
1736mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
26fbcc85 1737
ed40b6bf 1738# decoders / encoders
cfc2a0cf 1739aac_decoder_select="mdct sinewin"
bd499d9a 1740aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
136e19e1 1741aac_latm_decoder_select="aac_decoder aac_latm_parser"
c67b449b 1742ac3_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2d604443
DB
1743ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
1744ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
e3fcb143 1745aic_decoder_select="golomb idctdsp"
f4d608e3 1746alac_encoder_select="lpc"
c67b449b 1747als_decoder_select="bswapdsp"
b781cc12 1748amrnb_decoder_select="lsp"
2b2a597e 1749amrwb_decoder_select="lsp"
0a36988e 1750amv_decoder_select="sp5x_decoder"
c67b449b 1751ape_decoder_select="bswapdsp"
e3fcb143 1752asv1_decoder_select="blockdsp bswapdsp idctdsp"
f46bb608 1753asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
e3fcb143 1754asv2_decoder_select="blockdsp bswapdsp idctdsp"
f46bb608 1755asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
4538729a 1756atrac1_decoder_select="mdct sinewin"
26fbcc85 1757atrac3_decoder_select="mdct"
e6f0bb65 1758atrac3p_decoder_select="mdct sinewin"
e74433a8 1759bink_decoder_select="blockdsp hpeldsp"
f2051856
DB
1760binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
1761binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
e3fcb143 1762cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
c67b449b 1763cllc_decoder_select="bswapdsp"
9b500b8f 1764comfortnoise_encoder_select="lpc"
9a9e2f1c 1765cook_decoder_select="audiodsp mdct sinewin"
2a91ada8 1766cscd_decoder_select="lzo"
2eef7c62 1767cscd_decoder_suggest="zlib"
26fbcc85 1768dca_decoder_select="mdct"
e3fcb143 1769dnxhd_decoder_select="blockdsp idctdsp"
f46bb608 1770dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
f6ee61fb 1771dvvideo_decoder_select="dvprofile idctdsp"
2d604443 1772dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
61c31e4e 1773dxa_decoder_deps="zlib"
baf91bb9 1774eac3_decoder_select="ac3_decoder"
4264a0dd 1775eac3_encoder_select="ac3_encoder"
e3fcb143
DB
1776eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
1777eatgq_decoder_select="aandcttables idctdsp"
1778eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
38389058 1779exr_decoder_deps="zlib"
cd832f03
DB
1780ffv1_decoder_select="golomb rangecoder"
1781ffv1_encoder_select="rangecoder"
2f02bbcc
DB
1782ffvhuff_decoder_select="huffyuv_decoder"
1783ffvhuff_encoder_select="huffyuv_encoder"
93e15a32 1784fic_decoder_select="golomb"
4f034993 1785flac_decoder_select="golomb"
c67b449b 1786flac_encoder_select="bswapdsp golomb lpc"
61c31e4e
DB
1787flashsv_decoder_deps="zlib"
1788flashsv_encoder_deps="zlib"
1789flashsv2_decoder_deps="zlib"
4414137e 1790flv_decoder_select="h263_decoder"
4d4b4bd1 1791flv_encoder_select="h263_encoder"
c67b449b
DB
1792fourxm_decoder_select="blockdsp bswapdsp"
1793fraps_decoder_select="bswapdsp huffman"
61c31e4e 1794g2m_decoder_deps="zlib"
e3fcb143 1795g2m_decoder_select="blockdsp idctdsp"
7b9ef8d7 1796h261_decoder_select="mpeg_er mpegvideo"
ad08dfd5 1797h261_encoder_select="aandcttables mpegvideoenc"
7b9ef8d7 1798h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
0338c396 1799h263_encoder_select="aandcttables h263dsp mpegvideoenc"
4414137e 1800h263i_decoder_select="h263_decoder"
fe629c2d 1801h263p_encoder_select="h263_encoder"
db7f1c7c 1802h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
0b499c9b 1803h264_decoder_suggest="error_resilience"
c67b449b
DB
1804hevc_decoder_select="bswapdsp cabac golomb videodsp"
1805huffyuv_decoder_select="bswapdsp huffyuvdsp"
1806huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
34150be5 1807iac_decoder_select="imc_decoder"
c67b449b 1808imc_decoder_select="bswapdsp fft mdct sinewin"
8f992dc8 1809indeo3_decoder_select="hpeldsp"
8071264f 1810interplay_video_decoder_select="hpeldsp"
8e0cf39f 1811jpegls_decoder_select="golomb mjpeg_decoder"
4f034993 1812jpegls_encoder_select="golomb"
e74433a8 1813jv_decoder_select="blockdsp"
0d439fbe 1814lagarith_decoder_select="huffyuvdsp"
e3fcb143 1815ljpeg_encoder_select="aandcttables idctdsp"
4f034993 1816loco_decoder_select="golomb"
e3fcb143 1817mdec_decoder_select="blockdsp idctdsp mpegvideo"
3e589878 1818metasound_decoder_select="lsp mdct sinewin"
e3fcb143
DB
1819mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
1820mjpeg_decoder_select="blockdsp hpeldsp idctdsp"
6cd76e54 1821mjpeg_encoder_select="aandcttables mpegvideoenc"
7caf48e0 1822mjpegb_decoder_select="mjpeg_decoder"
9ecf1b62 1823mlp_decoder_select="mlp_parser"
c67b449b 1824motionpixels_decoder_select="bswapdsp"
1e164c0b
DB
1825mp1_decoder_select="mpegaudio"
1826mp1float_decoder_select="mpegaudio"
1827mp2_decoder_select="mpegaudio"
1828mp2float_decoder_select="mpegaudio"
1829mp3_decoder_select="mpegaudio"
1830mp3adu_decoder_select="mpegaudio"
1831mp3adufloat_decoder_select="mpegaudio"
1832mp3float_decoder_select="mpegaudio"
1833mp3on4_decoder_select="mpegaudio"
1834mp3on4float_decoder_select="mpegaudio"
c67b449b 1835mpc7_decoder_select="bswapdsp mpegaudiodsp"
88b24064 1836mpc8_decoder_select="mpegaudiodsp"
3e0b1c9a 1837mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
d767e2f9 1838mpeg_xvmc_decoder_select="mpeg2video_decoder"
7b9ef8d7 1839mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
06b54e84 1840mpeg1video_encoder_select="aandcttables mpegvideoenc"
7b9ef8d7 1841mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
06b54e84 1842mpeg2video_encoder_select="aandcttables mpegvideoenc"
3e0b1c9a
DB
1843mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1844mpeg4_encoder_select="h263_encoder"
4414137e 1845msmpeg4v1_decoder_select="h263_decoder"
4414137e 1846msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1847msmpeg4v2_encoder_select="h263_encoder"
4414137e 1848msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1849msmpeg4v3_encoder_select="h263_encoder"
7b9ef8d7 1850mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
8e0cf39f 1851mxpeg_decoder_select="mjpeg_decoder"
4538729a 1852nellymoser_decoder_select="mdct sinewin"
aa11cb79 1853nellymoser_encoder_select="audio_frame_queue mdct sinewin"
e3fcb143 1854nuv_decoder_select="idctdsp lzo"
e2834567 1855on2avc_decoder_select="mdct"
b70d7a4a 1856opus_decoder_deps="avresample"
61c31e4e 1857png_decoder_deps="zlib"
61c31e4e 1858png_encoder_deps="zlib"
512f3ffe 1859png_encoder_select="huffyuvencdsp"
e3fcb143 1860prores_decoder_select="idctdsp"
a9aee08d 1861prores_encoder_select="fdctdsp"
b781cc12 1862qcelp_decoder_select="lsp"
c4f5c2d6 1863qdm2_decoder_select="mdct rdft mpegaudiodsp"
aa11cb79 1864ra_144_encoder_select="audio_frame_queue lpc"
9f43fdda 1865ralf_decoder_select="golomb"
7b9ef8d7 1866rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
b2bf38b4 1867rv10_encoder_select="h263_encoder"
7b9ef8d7 1868rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
b2bf38b4 1869rv20_encoder_select="h263_encoder"
7b9ef8d7
DB
1870rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
1871rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
4f034993 1872shorten_decoder_select="golomb"
b781cc12 1873sipr_decoder_select="lsp"
8e0cf39f 1874sp5x_decoder_select="mjpeg_decoder"
6caa44aa 1875svq1_decoder_select="hpeldsp"
2d604443 1876svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
57f09608 1877svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
d48430c3 1878svq3_decoder_suggest="zlib"
9a9e2f1c 1879tak_decoder_select="audiodsp"
4eef77c1 1880theora_decoder_select="vp3_decoder"
7caf48e0 1881thp_decoder_select="mjpeg_decoder"
2eef7c62
AJ
1882tiff_decoder_suggest="zlib"
1883tiff_encoder_suggest="zlib"
aec09a00 1884truehd_decoder_select="mlp_decoder"
c67b449b
DB
1885truemotion2_decoder_select="bswapdsp"
1886truespeech_decoder_select="bswapdsp"
61c31e4e 1887tscc_decoder_deps="zlib"
4538729a 1888twinvq_decoder_select="mdct lsp sinewin"
c67b449b
DB
1889utvideo_decoder_select="bswapdsp"
1890utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
0d439fbe 1891vble_decoder_select="huffyuvdsp"
adf8227c 1892vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"
45ecda85 1893vc1image_decoder_select="vc1_decoder"
26fbcc85
MR
1894vorbis_decoder_select="mdct"
1895vorbis_encoder_select="mdct"
3bd062bf 1896vp3_decoder_select="hpeldsp vp3dsp videodsp"
cb7ecb75
RB
1897vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
1898vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
e82dc4c9
DB
1899vp6a_decoder_select="vp6_decoder"
1900vp6f_decoder_select="vp6_decoder"
ac4b32df 1901vp7_decoder_select="h264pred videodsp"
8c53d39e 1902vp8_decoder_select="h264pred videodsp"
72ca830f 1903vp9_decoder_select="videodsp"
c4bfa098 1904webp_decoder_select="vp8_decoder"
f2051856
DB
1905wmapro_decoder_select="mdct sinewin wma_freqs"
1906wmav1_decoder_select="mdct sinewin wma_freqs"
1907wmav1_encoder_select="mdct sinewin wma_freqs"
1908wmav2_decoder_select="mdct sinewin wma_freqs"
1909wmav2_encoder_select="mdct sinewin wma_freqs"
4538729a 1910wmavoice_decoder_select="lsp rdft dct mdct sinewin"
f95bfab0 1911wmv1_decoder_select="h263_decoder"
665507aa 1912wmv1_encoder_select="h263_encoder"
e3fcb143 1913wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp"
1746e2a9 1914wmv2_encoder_select="h263_encoder"
015f8ee0 1915wmv3_decoder_select="vc1_decoder"
45ecda85 1916wmv3image_decoder_select="wmv3_decoder"
61c31e4e
DB
1917zerocodec_decoder_deps="zlib"
1918zlib_decoder_deps="zlib"
1919zlib_encoder_deps="zlib"
1920zmbv_decoder_deps="zlib"
1921zmbv_encoder_deps="zlib"
30fd06be 1922
ed40b6bf 1923# hardware accelerators
215cdd35 1924dxva2_deps="dxva2api_h"
0afab17e 1925vaapi_deps="va_va_h"
ac3dbb4d 1926vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
9840130e 1927vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
c89c96e9
MR
1928vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1929
82ca17ac
DB
1930h263_vaapi_hwaccel_deps="vaapi"
1931h263_vaapi_hwaccel_select="h263_decoder"
1932h263_vdpau_hwaccel_deps="vdpau"
1933h263_vdpau_hwaccel_select="h263_decoder"
215cdd35
DB
1934h264_dxva2_hwaccel_deps="dxva2"
1935h264_dxva2_hwaccel_select="h264_decoder"
82ca17ac
DB
1936h264_vaapi_hwaccel_deps="vaapi"
1937h264_vaapi_hwaccel_select="h264_decoder"
1938h264_vda_hwaccel_deps="vda"
1939h264_vda_hwaccel_select="h264_decoder"
67afcefb
AK
1940h264_vda_old_hwaccel_deps="vda"
1941h264_vda_old_hwaccel_select="h264_decoder"
82ca17ac
DB
1942h264_vdpau_hwaccel_deps="vdpau"
1943h264_vdpau_hwaccel_select="h264_decoder"
82ca17ac
DB
1944mpeg1_vdpau_hwaccel_deps="vdpau"
1945mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
215cdd35
DB
1946mpeg2_dxva2_hwaccel_deps="dxva2"
1947mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
82ca17ac
DB
1948mpeg2_vaapi_hwaccel_deps="vaapi"
1949mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
1950mpeg2_vdpau_hwaccel_deps="vdpau"
1951mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
1952mpeg4_vaapi_hwaccel_deps="vaapi"
1953mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
82ca17ac
DB
1954mpeg4_vdpau_hwaccel_deps="vdpau"
1955mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
215cdd35
DB
1956vc1_dxva2_hwaccel_deps="dxva2"
1957vc1_dxva2_hwaccel_select="vc1_decoder"
82ca17ac
DB
1958vc1_vaapi_hwaccel_deps="vaapi"
1959vc1_vaapi_hwaccel_select="vc1_decoder"
82ca17ac
DB
1960vc1_vdpau_hwaccel_deps="vdpau"
1961vc1_vdpau_hwaccel_select="vc1_decoder"
ed40b6bf
DB
1962wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1963wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
77525327 1964wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
ed40b6bf 1965
28b80940 1966# parsers
fb7127b2 1967h264_parser_select="h264_decoder"
a6a675a7 1968mpegvideo_parser_select="mpegvideo"
7b9ef8d7 1969mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
adf8227c 1970vc1_parser_select="mpegvideo startcode"
28b80940 1971
912f3148 1972# external libraries
c9171a83 1973libfaac_encoder_deps="libfaac"
aa11cb79 1974libfaac_encoder_select="audio_frame_queue"
4f2b469d 1975libfdk_aac_decoder_deps="libfdk_aac"
37eeb5e2 1976libfdk_aac_encoder_deps="libfdk_aac"
aa11cb79 1977libfdk_aac_encoder_select="audio_frame_queue"
299c77d5
MR
1978libgsm_decoder_deps="libgsm"
1979libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1980libgsm_ms_decoder_deps="libgsm"
1981libgsm_ms_encoder_deps="libgsm"
3641b048
MS
1982libilbc_decoder_deps="libilbc"
1983libilbc_encoder_deps="libilbc"
1cc60c47 1984libmp3lame_encoder_deps="libmp3lame"
aa11cb79 1985libmp3lame_encoder_select="audio_frame_queue"
0b175caa
DB
1986libopencore_amrnb_decoder_deps="libopencore_amrnb"
1987libopencore_amrnb_encoder_deps="libopencore_amrnb"
aa11cb79 1988libopencore_amrnb_encoder_select="audio_frame_queue"
0b175caa 1989libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1990libopenjpeg_decoder_deps="libopenjpeg"
453c02f9 1991libopenjpeg_encoder_deps="libopenjpeg"
44617d6e 1992libopus_decoder_deps="libopus"
6cb8c854 1993libopus_encoder_deps="libopus"
aa11cb79 1994libopus_encoder_select="audio_frame_queue"
f7cd9eed
AS
1995libschroedinger_decoder_deps="libschroedinger"
1996libschroedinger_encoder_deps="libschroedinger"
ae14f311 1997libspeex_decoder_deps="libspeex"
b606a017 1998libspeex_encoder_deps="libspeex"
aa11cb79 1999libspeex_encoder_select="audio_frame_queue"
150d2772 2000libtheora_encoder_deps="libtheora"
718907cd 2001libtwolame_encoder_deps="libtwolame"
d89e738a 2002libvo_aacenc_encoder_deps="libvo_aacenc"
aa11cb79 2003libvo_aacenc_encoder_select="audio_frame_queue"
f502ff3f 2004libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
b0caf888 2005libvorbis_encoder_deps="libvorbis"
aa11cb79 2006libvorbis_encoder_select="audio_frame_queue"
3f111804
LB
2007libvpx_vp8_decoder_deps="libvpx"
2008libvpx_vp8_encoder_deps="libvpx"
2009libvpx_vp9_decoder_deps="libvpx"
2010libvpx_vp9_encoder_deps="libvpx"
84d3ff50 2011libwavpack_encoder_deps="libwavpack"
be7c3231 2012libwebp_encoder_deps="libwebp"
1cc60c47 2013libx264_encoder_deps="libx264"
50ea9315 2014libx265_encoder_deps="libx265"
de295976 2015libxavs_encoder_deps="libxavs"
1cc60c47 2016libxvid_encoder_deps="libxvid"
30fd06be 2017
912f3148 2018# demuxers / muxers
c2dd0e9e 2019ac3_demuxer_select="ac3_parser"
255d9c57 2020asf_demuxer_select="riffdec"
3dd5c95d 2021asf_muxer_select="riffenc"
647c2356 2022asf_stream_muxer_select="asf_muxer"
255d9c57 2023avi_demuxer_select="riffdec"
3dd5c95d 2024avi_muxer_select="riffenc"
4e622dea 2025avisynth_demuxer_deps="avisynth"
255d9c57
DB
2026avisynth_demuxer_select="riffdec"
2027caf_demuxer_select="riffdec"
c2dd0e9e 2028dirac_demuxer_select="dirac_parser"
f6ee61fb
AK
2029dv_demuxer_select="dvprofile"
2030dv_muxer_select="dvprofile"
255d9c57 2031dxa_demuxer_select="riffdec"
5b423887 2032eac3_demuxer_select="ac3_parser"
e01fba55 2033f4v_muxer_select="mov_muxer"
c2dd0e9e 2034flac_demuxer_select="flac_parser"
435214a7 2035hds_muxer_select="flv_muxer"
c9031c7c 2036hls_muxer_select="mpegts_muxer"
647c2356 2037ipod_muxer_select="mov_muxer"
31f16dc1 2038ismv_muxer_select="mov_muxer"
647c2356 2039matroska_audio_muxer_select="matroska_muxer"
255d9c57 2040matroska_demuxer_select="riffdec"
2a91ada8 2041matroska_demuxer_suggest="bzlib lzo zlib"
3dd5c95d
DB
2042matroska_muxer_select="riffenc"
2043mmf_muxer_select="riffenc"
255d9c57 2044mov_demuxer_select="riffdec"
4e622dea 2045mov_demuxer_suggest="zlib"
3dd5c95d 2046mov_muxer_select="riffenc rtpenc_chain"
c2dd0e9e 2047mp3_demuxer_select="mpegaudio_parser"
647c2356 2048mp4_muxer_select="mov_muxer"
75644335 2049mpegts_muxer_select="adts_muxer latm_muxer"
647c2356
DB
2050mpegtsraw_demuxer_select="mpegts_demuxer"
2051mxf_d10_muxer_select="mxf_muxer"
3dd5c95d 2052nut_muxer_select="riffenc"
255d9c57 2053nuv_demuxer_select="riffdec"
051aadee 2054oga_muxer_select="ogg_muxer"
24ca518b 2055ogg_demuxer_select="golomb"
051aadee 2056opus_muxer_select="ogg_muxer"
647c2356 2057psp_muxer_select="mov_muxer"
44594cc7 2058rtp_demuxer_select="sdp_demuxer"
44b70ce5
MS
2059rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2060rtsp_demuxer_select="http_protocol rtpdec"
5ad2f0bf 2061rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
01c8d258 2062sap_demuxer_select="sdp_demuxer"
5ad2f0bf 2063sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
44b70ce5 2064sdp_demuxer_select="rtpdec"
e772f9fa 2065smoothstreaming_muxer_select="ismv_muxer"
f1e94694 2066spdif_muxer_select="aac_parser"
051aadee 2067spx_muxer_select="ogg_muxer"
57231e4d 2068tak_demuxer_select="tak_parser"
647c2356
DB
2069tg2_muxer_select="mov_muxer"
2070tgp_muxer_select="mov_muxer"
a7d45e06 2071w64_demuxer_select="wav_demuxer"
255d9c57 2072wav_demuxer_select="riffdec"
3dd5c95d
DB
2073wav_muxer_select="riffenc"
2074webm_muxer_select="riffenc"
255d9c57
DB
2075wtv_demuxer_select="riffdec"
2076xmv_demuxer_select="riffdec"
2077xwma_demuxer_select="riffdec"
4e622dea
SS
2078
2079# indevs / outdevs
38e54a75 2080alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
38e54a75 2081alsa_outdev_deps="alsa_asoundlib_h"
38e54a75 2082bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
6fb65973
DB
2083dv1394_indev_deps="dv1394"
2084dv1394_indev_select="dv_demuxer"
c6f95144 2085fbdev_indev_deps="linux_fb_h"
a3fc62e8 2086jack_indev_deps="jack_jack_h pthreads"
e417d80d 2087libcdio_indev_deps="libcdio"
38e54a75 2088libdc1394_indev_deps="libdc1394"
38e54a75
SS
2089oss_indev_deps_any="soundcard_h sys_soundcard_h"
2090oss_outdev_deps_any="soundcard_h sys_soundcard_h"
0de9c41f 2091pulse_indev_deps="libpulse"
15d59d2c
B
2092sndio_indev_deps="sndio_h"
2093sndio_outdev_deps="sndio_h"
38e54a75 2094v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
ec1ee802 2095vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
a1b3c5a3 2096vfwcap_indev_extralibs="-lavicap32"
24f8961f 2097x11grab_indev_deps="x11grab XShmCreateImage"
30fd06be 2098
912f3148 2099# protocols
acd554c1
SP
2100ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2101ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2102ffrtmpcrypt_protocol_select="tcp_protocol"
775c4d36
SP
2103ffrtmphttp_protocol_deps="!librtmp_protocol"
2104ffrtmphttp_protocol_select="http_protocol"
998c1ee1 2105gopher_protocol_select="network"
279a0c97 2106http_protocol_select="tcp_protocol"
7caf48e0 2107httpproxy_protocol_select="tcp_protocol"
183baead 2108https_protocol_select="tls_protocol"
eb9244f2 2109icecast_protocol_select="http_protocol"
c3b57d6e
DB
2110librtmp_protocol_deps="librtmp"
2111librtmpe_protocol_deps="librtmp"
2112librtmps_protocol_deps="librtmp"
2113librtmpt_protocol_deps="librtmp"
2114librtmpte_protocol_deps="librtmp"
c60a2d70 2115mmsh_protocol_select="http_protocol"
998c1ee1 2116mmst_protocol_select="network"
c3b57d6e 2117rtmp_protocol_deps="!librtmp_protocol"
deeb7012 2118rtmp_protocol_select="tcp_protocol"
acd554c1 2119rtmpe_protocol_select="ffrtmpcrypt_protocol"
6aedabc9
SP
2120rtmps_protocol_deps="!librtmp_protocol"
2121rtmps_protocol_select="tls_protocol"
775c4d36 2122rtmpt_protocol_select="ffrtmphttp_protocol"
08cd95e8 2123rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
6c1ed454 2124rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
deeb7012 2125rtp_protocol_select="udp_protocol"
998c1ee1
DB
2126sctp_protocol_deps="struct_sctp_event_subscribe"
2127sctp_protocol_select="network"
0eecafc9 2128srtp_protocol_select="rtp_protocol"
998c1ee1 2129tcp_protocol_select="network"
558d192d
MS
2130tls_protocol_deps_any="openssl gnutls"
2131tls_protocol_select="tcp_protocol"
998c1ee1 2132udp_protocol_select="network"
60538758
LB
2133unix_protocol_deps="sys_un_h"
2134unix_protocol_select="network"
c08fb000 2135
6ebf0bfc 2136# filters
13fabd7a 2137blackframe_filter_deps="gpl"
ce6b6ef6 2138boxblur_filter_deps="gpl"
1c0210c7 2139bs2b_filter_deps="libbs2b"
68b79bfc 2140cropdetect_filter_deps="gpl"
b157be1f 2141delogo_filter_deps="gpl"
a5b64584 2142drawtext_filter_deps="libfreetype"
61b323ce 2143frei0r_filter_deps="frei0r dlopen"
cfec77aa 2144frei0r_filter_extralibs='$ldl'
61b323ce 2145frei0r_src_filter_deps="frei0r dlopen"
cfec77aa 2146frei0r_src_filter_extralibs='$ldl'
a4dc7aa5 2147hqdn3d_filter_deps="gpl"
3fce1367 2148interlace_filter_deps="gpl"
cf69ad35 2149ocv_filter_deps="libopencv"
7caf48e0 2150resample_filter_deps="avresample"
2f296e39 2151scale_filter_deps="swscale"
6ebf0bfc 2152
ab81f24a 2153# examples
b339182e 2154avcodec_example_deps="avcodec avutil"
e7dfaf16 2155filter_audio_example_deps="avfilter avutil"
b339182e 2156metadata_example_deps="avformat avutil"
ab81f24a 2157output_example_deps="avcodec avformat avutil swscale"
10421bcf 2158transcode_aac_example_deps="avcodec avformat avresample"
ab81f24a 2159
44951174 2160# libraries, in linking order
d89f2fa9 2161avcodec_deps="avutil"
44951174 2162avdevice_deps="avformat avcodec avutil"
d89f2fa9 2163avfilter_deps="avutil"
44951174 2164avformat_deps="avcodec avutil"
d89f2fa9
DB
2165avresample_deps="avutil"
2166swscale_deps="avutil"
f7679c54 2167
912f3148 2168# programs
54fd593a 2169avconv_deps="avcodec avfilter avformat avresample swscale"
bce70f81 2170avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
0a0e340f 2171 fps_filter null_filter resample_filter scale_filter
bce70f81 2172 setpts_filter trim_filter"
d173ede1 2173avplay_deps="avcodec avformat avresample swscale sdl"
d2617193 2174avplay_libs='$sdl_libs'
266463da 2175avplay_select="rdft"
9e12f0bf 2176avprobe_deps="avcodec avformat"
a2830dca 2177
4da3f410 2178# documentation
92f0abb2 2179pod2man_deps="doc"
4da3f410
DB
2180texi2html_deps="doc"
2181
de6d9b64 2182# default parameters
8a608357 2183
19bd477d 2184logfile="config.log"
8a608357
MR
2185
2186# installation paths
c9d19248
MR
2187prefix_default="/usr/local"
2188bindir_default='${prefix}/bin'
6291d7e4 2189datadir_default='${prefix}/share/avconv'
f4ca970d 2190docdir_default='${prefix}/share/doc/libav'
c9d19248
MR
2191incdir_default='${prefix}/include'
2192libdir_default='${prefix}/lib'
2193mandir_default='${prefix}/share/man'
2194shlibdir_default="$libdir_default"
8a608357
MR
2195
2196# toolchain
121d78d0 2197ar_default="ar"
13c7df3d 2198cc_default="gcc"
9da6609f 2199host_cc_default="gcc"
4ebc6a74 2200cp_f="cp -f"
b58b00ae 2201ln_s="ln -s -f"
2a8a860a 2202nm_default="nm -g"
11e6d03a 2203objformat="elf"
3f8040db 2204pkg_config_default=pkg-config
be7109c1 2205ranlib="ranlib"
e52567c2 2206strip="strip"
11e6d03a 2207yasmexe="yasm"
8a608357
MR
2208
2209# machine
8d4c00ed 2210arch_default=$(uname -m)
38d0a8aa 2211cpu="generic"
d45ebd48 2212intrinsics="none"
8a608357 2213
8a608357 2214# OS
8d4c00ed
MR
2215target_os_default=$(tolower $(uname -s))
2216host_os=$target_os_default
8a608357 2217
8a608357 2218# configurable options
ab81f24a 2219enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
3e0b1c9a 2220
3e0b1c9a
DB
2221enable asm
2222enable debug
2223enable doc
8400d6b8 2224enable optimizations
8cfbbd92 2225enable safe_bitstream_reader
530dc538 2226enable static
a9ddb5b1 2227enable swscale_alpha
8a608357 2228
2e2ec667
DB
2229# By default, enable only those hwaccels that have no external dependencies.
2230enable dxva2 vdpau
2231
8a608357 2232# build settings
9987769a 2233SHFLAGS='-shared -Wl,-soname,$$(@F)'
f3ec2d46
SG
2234LIBPREF="lib"
2235LIBSUF=".a"
c5f14466
RP
2236FULLNAME='$(NAME)$(BUILDSUF)'
2237LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
2238SLIBPREF="lib"
2239SLIBSUF=".so"
c5f14466 2240SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
2241SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2242SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 2243LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2f138f0b
MR
2244SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2245SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
ef0bc4c9 2246
68485d1f
MR
2247asflags_filter=echo
2248cflags_filter=echo
64933b6c
MR
2249ldflags_filter=echo
2250
23565c26 2251AS_C='-c'
bc877faf 2252AS_O='-o $@'
23565c26 2253CC_C='-c'
18031c49 2254CC_E='-E -o $@'
7e6c86e6 2255CC_O='-o $@'
a758c5e2 2256LD_O='-o $@'
8db73c61
MR
2257LD_LIB='-l%'
2258LD_PATH='-L'
23565c26 2259HOSTCC_C='-c'
27565164 2260HOSTCC_E='-E -o $@'
a758c5e2 2261HOSTCC_O='-o $@'
095792f2 2262HOSTLD_O='-o $@'
7e6c86e6 2263
9da6609f 2264host_libs='-lm'
6c3fa06a
MR
2265host_cflags_filter=echo
2266host_ldflags_filter=echo
9da6609f 2267
9b861379 2268target_path='$(CURDIR)'
a7ada2ba 2269
a158446b
MR
2270# since the object filename is not given with the -MM flag, the compiler
2271# is only able to print the basename, and we must add the path ourselves
a758c5e2
MR
2272DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2273DEPFLAGS='-MM'
315c741d 2274
c597172e 2275# find source path
24524f36 2276if test -f configure; then
f038cf3c 2277 source_path=.
c597172e 2278else
8477f2de 2279 source_path=$(cd $(dirname "$0"); pwd)
c597172e 2280 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 2281 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
2282 test -e "$source_path/config.h" &&
2283 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
2284fi
2285
13cbe2c0 2286for v in "$@"; do
b04251c5
MR
2287 r=${v#*=}
2288 l=${v%"$r"}
2289 r=$(sh_quote "$r")
29ba0911 2290 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
13cbe2c0 2291done
c597172e 2292
73ef8980
MR
2293find_things(){
2294 thing=$1
2295 pattern=$2
2296 file=$source_path/$3
932ccf39 2297 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
2298}
2299
2300ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2301DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 2302HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
2303PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2304BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2305MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2306DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
2307OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2308INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 2309PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 2310FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 2311
54e75be4
DB
2312ALL_COMPONENTS="
2313 $BSF_LIST
2314 $DECODER_LIST
2315 $DEMUXER_LIST
2316 $ENCODER_LIST
2317 $FILTER_LIST
2318 $HWACCEL_LIST
2319 $INDEV_LIST
2320 $MUXER_LIST
2321 $OUTDEV_LIST
2322 $PARSER_LIST
2323 $PROTOCOL_LIST
2324"
2325
8469ae22
MR
2326for n in $COMPONENT_LIST; do
2327 v=$(toupper ${n%s})_LIST
2328 eval enable \$$v
2329 eval ${n}_if_any="\$$v"
2330done
2331
206a070d 2332enable $ARCH_EXT_LIST
c597172e
MR
2333
2334die_unknown(){
2335 echo "Unknown option \"$1\"."
2336 echo "See $0 --help for available options."
2337 exit 1
2338}
2339
7432e872
DB
2340print_3_columns() {
2341 cat | tr ' ' '\n' | sort | pr -r -3 -t
2342}
2343
794f8e97 2344show_list() {
bf0c4afa
RP
2345 suffix=_$1
2346 shift
7432e872 2347 echo $* | sed s/$suffix//g | print_3_columns
794f8e97
PI
2348 exit 0
2349}
2350
154caa67
MR
2351rand_list(){
2352 IFS=', '
2353 set -- $*
2354 unset IFS
2355 for thing; do
2356 comp=${thing%:*}
2357 prob=${thing#$comp}
2358 prob=${prob#:}
2359 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2360 echo "prob ${prob:-0.5}"
2361 printf '%s\n' $comp
2362 done
2363}
2364
2365do_random(){
2366 action=$1
2367 shift
2368 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2369 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2370}
2371
c597172e 2372for opt do
7483e694
DB
2373 optval="${opt#*=}"
2374 case "$opt" in
ea061af1
DB
2375 --extra-ldflags=*)
2376 add_ldflags $optval
7e9e7cc2 2377 ;;
bb0babd7
LB
2378 --extra-ldexeflags=*)
2379 add_ldexeflags $optval
2380 ;;
ea061af1
DB
2381 --extra-libs=*)
2382 add_extralibs $optval
7e9e7cc2 2383 ;;
ea061af1
DB
2384 --disable-devices)
2385 disable $INDEV_LIST $OUTDEV_LIST
7e9e7cc2 2386 ;;
ea061af1
DB
2387 --enable-debug=*)
2388 debuglevel="$optval"
7e9e7cc2
MR
2389 ;;
2390 --disable-programs)
2391 disable $PROGRAM_LIST
2392 ;;
2393 --disable-everything)
2394 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2395 ;;
844c6852
DB
2396 --disable-all)
2397 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2398 disable $LIBRARY_LIST $PROGRAM_LIST doc
2399 ;;
7e9e7cc2
MR
2400 --enable-random|--disable-random)
2401 action=${opt%%-random}
2402 do_random ${action#--} $COMPONENT_LIST
2403 ;;
2404 --enable-random=*|--disable-random=*)
2405 action=${opt%%-random=*}
2406 do_random ${action#--} $optval
2407 ;;
2408 --enable-*=*|--disable-*=*)
2409 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2410 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2411 eval list=\$$(toupper $thing)_LIST
2412 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2413 $action $(filter "$name" $list)
2414 ;;
894682a9
AK
2415 --enable-avserver|--disable-avserver*)
2416 warn "avserver has been removed, the ${opt} option is only"\
2417 "provided for compatibility and will be removed in the future"
2418 ;;
7e9e7cc2
MR
2419 --enable-?*|--disable-?*)
2420 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2421 if is_in $option $COMPONENT_LIST; then
2422 test $action = disable && action=unset
2423 eval $action \$$(toupper ${option%s})_LIST
2424 elif is_in $option $CMDLINE_SELECT; then
2425 $action $option
2426 else
2427 die_unknown $opt
2428 fi
2429 ;;
2430 --list-*)
2431 NAME="${opt#--list-}"
2432 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2433 NAME=${NAME%s}
2434 eval show_list $NAME \$$(toupper $NAME)_LIST
2435 ;;
2436 --help|-h) show_help
2437 ;;
2438 *)
2439 optname="${opt%%=*}"
2440 optname="${optname#--}"
2441 optname=$(echo "$optname" | sed 's/-/_/g')
2442 if is_in $optname $CMDLINE_SET; then
2443 eval $optname='$optval'
2444 elif is_in $optname $CMDLINE_APPEND; then
2445 append $optname "$optval"
2446 else
2447 die_unknown $opt
2448 fi
2449 ;;
7483e694 2450 esac
c597172e
MR
2451done
2452
bcea99bb
MR
2453disabled logging && logfile=/dev/null
2454
29ba0911 2455echo "# $0 $LIBAV_CONFIGURATION" > $logfile
bcea99bb
MR
2456set >> $logfile
2457
9da6609f
MR
2458test -n "$cross_prefix" && enable cross_compile
2459
8d4c00ed
MR
2460if enabled cross_compile; then
2461 test -n "$arch" && test -n "$target_os" ||
2462 die "Must specify target arch and OS when cross-compiling"
2463fi
2464
121d78d0 2465ar_default="${cross_prefix}${ar_default}"
11e6d03a 2466cc_default="${cross_prefix}${cc_default}"
20e0ed95 2467nm_default="${cross_prefix}${nm_default}"
3f8040db 2468pkg_config_default="${cross_prefix}${pkg_config_default}"
adb2b908 2469ranlib="${cross_prefix}${ranlib}"
e52567c2 2470strip="${cross_prefix}${strip}"
adb2b908 2471
c5200f17
MR
2472sysinclude_default="${sysroot}/usr/include"
2473
aeeb782c 2474case "$toolchain" in
0fbb62a8
LB
2475 clang-asan)
2476 cc_default="clang"
19f251a2
LB
2477 add_cflags -fsanitize=address
2478 add_ldflags -fsanitize=address
0fbb62a8
LB
2479 ;;
2480 clang-tsan)
2481 cc_default="clang"
19f251a2
LB
2482 add_cflags -fsanitize=thread -pie
2483 add_ldflags -fsanitize=thread -pie
0fbb62a8 2484 ;;
d6a27f88
LB
2485 clang-usan)
2486 cc_default="clang"
4d25c2bc 2487 add_cflags -fsanitize=undefined -O1
d6a27f88
LB
2488 add_ldflags -fsanitize=undefined
2489 ;;
0ba49d28
LB
2490 gcc-asan)
2491 cc_default="gcc"
2492 add_cflags -fsanitize=address
2493 add_ldflags -fsanitize=address
2494 ;;
2495 gcc-tsan)
2496 cc_default="gcc"
2497 add_cflags -fsanitize=thread -pie -fPIC
2498 add_ldflags -fsanitize=thread -pie -fPIC
2499 ;;
d6a27f88
LB
2500 gcc-usan)
2501 cc_default="gcc"
2502 add_cflags -fsanitize=undefined
2503 add_ldflags -fsanitize=undefined
2504 ;;
edfe609f
LB
2505 valgrind-massif)
2506 target_exec_default="valgrind"
2507 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2508 ;;
b1ee8eec
RT
2509 valgrind-memcheck)
2510 target_exec_default="valgrind"
2511 target_exec_args="--track-origins=yes --leak-check=full"
2512 ;;
aeeb782c 2513 msvc)
16381923
MS
2514 # Check whether the current MSVC version needs the C99 converter.
2515 # From MSVC 2013 (compiler major version 18) onwards, it does actually
ea9f7173 2516 # support enough of C99 to build libav. Default to the new
16381923
MS
2517 # behaviour if the regexp was unable to match anything, since this
2518 # successfully parses the version number of existing supported
2519 # versions that require the converter (MSVC 2010 and 2012).
2520 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2521 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
ea9f7173 2522 cc_default="cl"
16381923
MS
2523 else
2524 cc_default="c99wrap cl"
2525 fi
ea9f7173 2526 ld_default="link"
aeeb782c 2527 nm_default="dumpbin -symbols"
ac3a9b51 2528 ar_default="lib"
53e8cd68 2529 target_os_default="win32"
ea9f7173
MS
2530 # Use a relative path for TMPDIR. This makes sure all the
2531 # ffconf temp files are written with a relative path, avoiding
2532 # issues with msys/win32 path conversion for MSVC parameters
2533 # such as -Fo<file> or -out:<file>.
2534 TMPDIR=.
aeeb782c 2535 ;;
322e4194 2536 icl)
ea9f7173
MS
2537 cc_default="icl"
2538 ld_default="xilink"
322e4194
AS
2539 nm_default="dumpbin -symbols"
2540 ar_default="xilib"
2541 target_os_default="win32"
ea9f7173 2542 TMPDIR=.
322e4194 2543 ;;
a862c7d3
RT
2544 gcov)
2545 add_cflags -fprofile-arcs -ftest-coverage
2546 add_ldflags -fprofile-arcs -ftest-coverage
2547 ;;
e7891305 2548 hardened)
7caf48e0 2549 add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all
e7891305
LB
2550 add_ldflags -Wl,-z,relro -Wl,-z,now
2551 ;;
aeeb782c
MR
2552 ?*)
2553 die "Unknown toolchain $toolchain"
2554 ;;
2555esac
2556
b1ee8eec 2557set_default arch cc pkg_config sysinclude target_exec target_os
9da6609f
MR
2558enabled cross_compile || host_cc_default=$cc
2559set_default host_cc
13c7df3d 2560
762f95e4
MR
2561if ! $pkg_config --version >/dev/null 2>&1; then
2562 warn "$pkg_config not found, library detection may fail."
2563 pkg_config=false
2564fi
2565
82bb3329
MR
2566exesuf() {
2567 case $1 in
53e8cd68 2568 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
82bb3329
MR
2569 esac
2570}
2571
2572EXESUF=$(exesuf $target_os)
2573HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 2574
e4e69e0b 2575# set temporary file name
a49d42c2 2576: ${TMPDIR:=$TEMPDIR}
c51fafa1 2577: ${TMPDIR:=$TMP}
a49d42c2 2578: ${TMPDIR:=/tmp}
e4e69e0b 2579
a210bce2 2580if ! check_cmd mktemp -u XXXXXX; then
54460a83
MR
2581 # simple replacement for missing mktemp
2582 # NOT SAFE FOR GENERAL USE
2583 mktemp(){
09a5c245 2584 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
54460a83
MR
2585 }
2586fi
2587
2588tmpfile(){
2589 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2590 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 2591 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
2592 append TMPFILES $tmp
2593 eval $1=$tmp
2594}
2595
2596trap 'rm -f -- $TMPFILES' EXIT
54460a83 2597
55127e7b 2598tmpfile TMPASM .asm
3e0b1c9a
DB
2599tmpfile TMPC .c
2600tmpfile TMPE $EXESUF
2601tmpfile TMPH .h
2602tmpfile TMPO .o
2603tmpfile TMPS .S
2604tmpfile TMPSH .sh
2605tmpfile TMPV .ver
54460a83
MR
2606
2607unset -f mktemp
e4e69e0b 2608
fb3c4ffc
MR
2609chmod +x $TMPE
2610
993f2d0f
MR
2611# make sure we can execute files in $TMPDIR
2612cat > $TMPSH 2>> $logfile <<EOF
2613#! /bin/sh
2614EOF
2615chmod +x $TMPSH >> $logfile 2>&1
2616if ! $TMPSH >> $logfile 2>&1; then
2617 cat <<EOF
2618Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2619variable to another directory and make sure that it is not mounted noexec.
2620EOF
2621 die "Sanity test failed."
2622fi
993f2d0f 2623
08b94f16
MS
2624armasm_flags(){
2625 for flag; do
2626 case $flag in
2627 # Filter out MSVC cl.exe options from cflags that shouldn't
2628 # be passed to gas-preprocessor
2629 -M[TD]*) ;;
2630 *) echo $flag ;;
2631 esac
2632 done
2633}
2634
457cc333
MR
2635ccc_flags(){
2636 for flag; do
2637 case $flag in
2638 -std=c99) echo -c99 ;;
2639 -mcpu=*) echo -arch ${flag#*=} ;;
2640 -mieee) echo -ieee ;;
2641 -O*|-fast) echo $flag ;;
2642 -fno-math-errno) echo -assume nomath_errno ;;
2643 -g) echo -g3 ;;
2644 -Wall) echo -msg_enable level2 ;;
2645 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2646 -Wl,*) echo $flag ;;
2647 -f*|-W*) ;;
2648 *) echo $flag ;;
2649 esac
2650 done
2651}
2652
e5d45e02
LB
2653cparser_flags(){
2654 for flag; do
2655 case $flag in
2656 -Wno-switch) echo -Wno-switch-enum ;;
2657 -Wno-format-zero-length) ;;
2658 -Wdisabled-optimization) ;;
2659 -Wno-pointer-sign) echo -Wno-other ;;
2660 *) echo $flag ;;
2661 esac
2662 done
2663}
2664
14fb9d3d 2665msvc_common_flags(){
dfa559bc
RB
2666 for flag; do
2667 case $flag in
14fb9d3d
AS
2668 # In addition to specifying certain flags under the compiler
2669 # specific filters, they must be specified here as well or else the
2670 # generic catch all at the bottom will print the original flag.
2671 -Wall) ;;
2672 -std=c99) ;;
2673 # Common flags
9f4a16c5 2674 -fomit-frame-pointer) ;;
dfa559bc 2675 -g) echo -Z7 ;;
dfa559bc
RB
2676 -fno-math-errno) ;;
2677 -fno-common) ;;
2678 -fno-signed-zeros) ;;
50640977 2679 -fPIC) ;;
9f30fb5a
MS
2680 -mthumb) ;;
2681 -march=*) ;;
dfa559bc 2682 -lz) echo zlib.lib ;;
bd680c7b
DB
2683 -lavifil32) echo vfw32.lib ;;
2684 -lavicap32) echo vfw32.lib user32.lib ;;
dfa559bc
RB
2685 -l*) echo ${flag#-l}.lib ;;
2686 *) echo $flag ;;
2687 esac
2688 done
2689}
2690
14fb9d3d
AS
2691msvc_flags(){
2692 msvc_common_flags "$@"
2693 for flag; do
2694 case $flag in
ace87c19 2695 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
14fb9d3d
AS
2696 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2697 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
b0bfd09f 2698 -wd4273 -wd4701 ;;
14fb9d3d
AS
2699 esac
2700 done
2701}
2702
2703icl_flags(){
2704 msvc_common_flags "$@"
2705 for flag; do
2706 case $flag in
2707 # Despite what Intel's documentation says -Wall, which is supported
2708 # on Windows, does enable remarks so disable them here.
2709 -Wall) echo $flag -Qdiag-disable:remark ;;
2710 -std=c99) echo -Qstd=c99 ;;
2711 esac
2712 done
2713}
2714
d0c6d424
MR
2715pgi_flags(){
2716 for flag; do
2717 case $flag in
643933f5 2718 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
d0c6d424
MR
2719 -fomit-frame-pointer) echo -Mnoframe ;;
2720 -g) echo -gopt ;;
2721 *) echo $flag ;;
2722 esac
2723 done
2724}
2725
2726suncc_flags(){
2727 for flag; do
2728 case $flag in
2729 -march=*|-mcpu=*)
2730 case "${flag#*=}" in
2731 native) echo -xtarget=native ;;
2732 v9|niagara) echo -xarch=sparc ;;
2733 ultrasparc) echo -xarch=sparcvis ;;
2734 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2735 i586|pentium) echo -xchip=pentium ;;
2736 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2737 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2738 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2739 pentium4*) echo -xtarget=pentium4 ;;
2740 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2741 *-sse3) echo -xarch=sse3 ;;
2742 core2) echo -xarch=ssse3 -xchip=core2 ;;
f2ce813e
SM
2743 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2744 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
b36f87ff 2745 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
ace87c19 2746 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
d0c6d424 2747 k8|opteron|athlon64|athlon-fx)
ace87c19
DB
2748 echo -xarch=sse2a ;;
2749 athlon*) echo -xarch=pentium_proa ;;
d0c6d424
MR
2750 esac
2751 ;;
2752 -std=c99) echo -xc99 ;;
2753 -fomit-frame-pointer) echo -xregs=frameptr ;;
2754 -fPIC) echo -KPIC -xcode=pic32 ;;
2755 -W*,*) echo $flag ;;
5e753ed5
SM
2756 -f*-*|-W*|-mimpure-text) ;;
2757 -shared) echo -G ;;
d0c6d424
MR
2758 *) echo $flag ;;
2759 esac
2760 done
2761}
2762
2763tms470_flags(){
2764 for flag; do
2765 case $flag in
2766 -march=*|-mcpu=*)
2767 case "${flag#*=}" in
2768 armv7-a|cortex-a*) echo -mv=7a8 ;;
2769 armv7-r|cortex-r*) echo -mv=7r4 ;;
2770 armv7-m|cortex-m*) echo -mv=7m3 ;;
2771 armv6*|arm11*) echo -mv=6 ;;
2772 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2773 echo -mv=5e ;;
2774 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2775 esac
2776 ;;
2777 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2778 -mfpu=vfp) echo --float_support=vfpv2 ;;
2779 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
b5198a26 2780 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
d0c6d424
MR
2781 -msoft-float) echo --float_support=vfplib ;;
2782 -O[0-3]|-mf=*) echo $flag ;;
2783 -g) echo -g -mn ;;
2784 -pds=*) echo $flag ;;
ad93dccb
MR
2785 -D*|-I*) echo $flag ;;
2786 --gcc|--abi=*) echo $flag ;;
2787 -me) echo $flag ;;
d0c6d424
MR
2788 esac
2789 done
2790}
2791
a758c5e2
MR
2792probe_cc(){
2793 pfx=$1
2794 _cc=$2
2795
8db73c61
MR
2796 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2797 unset _ld_o _ldflags _ld_lib _ld_path
18031c49 2798 unset _depflags _DEPCMD _DEPFLAGS
a758c5e2
MR
2799 _flags_filter=echo
2800
2801 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2802 _type=llvm_gcc
2803 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2804 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2805 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2806 _cflags_speed='-O3'
2807 _cflags_size='-Os'
2808 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2809 _type=gcc
2810 gcc_version=$($_cc --version | head -n1)
2811 gcc_basever=$($_cc -dumpversion)
2812 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2813 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2814 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2815 if ! $_cc -dumpversion | grep -q '^2\.'; then
2816 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2817 fi
2818 _cflags_speed='-O3'
2819 _cflags_size='-Os'
b2d688ea 2820 elif $_cc --version 2>/dev/null | grep -q ^icc; then
a758c5e2
MR
2821 _type=icc
2822 _ident=$($_cc --version | head -n1)
2823 _depflags='-MMD'
2824 _cflags_speed='-O3'
2825 _cflags_size='-Os'
2826 _cflags_noopt='-O1'
2827 elif $_cc -v 2>&1 | grep -q xlc; then
2828 _type=xlc
2829 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2830 _cflags_speed='-O5'
2831 _cflags_size='-O5 -qcompact'
2832 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2833 _type=ccc
2834 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2835 _DEPFLAGS='-M'
a758c5e2
MR
2836 _cflags_speed='-fast'
2837 _cflags_size='-O1'
457cc333 2838 _flags_filter=ccc_flags
4936ef64 2839 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
a758c5e2
MR
2840 test -d "$sysroot" || die "No valid sysroot specified."
2841 _type=armcc
ed6d9ce9 2842 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
a758c5e2
MR
2843 armcc_conf="$PWD/armcc.conf"
2844 $_cc --arm_linux_configure \
2845 --arm_linux_config_file="$armcc_conf" \
2846 --configure_sysroot="$sysroot" \
2847 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2848 die "Error creating armcc configuration file."
2849 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2850 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2851 as_default="${cross_prefix}gcc"
2852 _depflags='-MMD'
2853 _cflags_speed='-O3'
2854 _cflags_size='-Os'
0122118e 2855 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
a758c5e2
MR
2856 _type=tms470
2857 _ident=$($_cc -version | head -n1 | tr -s ' ')
2858 _flags='--gcc --abi=eabi -me'
18031c49 2859 _cc_e='-ppl -fe=$@'
a758c5e2 2860 _cc_o='-fe=$@'
a758c5e2
MR
2861 _depflags='-ppa -ppd=$(@:.o=.d)'
2862 _cflags_speed='-O3 -mf=5'
2863 _cflags_size='-O3 -mf=2'
2864 _flags_filter=tms470_flags
2865 elif $_cc -v 2>&1 | grep -q clang; then
2866 _type=clang
2867 _ident=$($_cc --version | head -n1)
9e057f53 2868 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
a758c5e2
MR
2869 _cflags_speed='-O3'
2870 _cflags_size='-Os'
2871 elif $_cc -V 2>&1 | grep -q Sun; then
2872 _type=suncc
2873 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2874 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
c72f12cb 2875 _DEPFLAGS='-xM1 -xc99'
a758c5e2
MR
2876 _ldflags='-std=c99'
2877 _cflags_speed='-O5'
2878 _cflags_size='-O5 -xspace'
2879 _flags_filter=suncc_flags
2880 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2881 _type=pathscale
2882 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2883 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2884 _cflags_speed='-O2'
2885 _cflags_size='-Os'
2886 _flags_filter='filter_out -Wdisabled-optimization'
2887 elif $_cc -v 2>&1 | grep -q Open64; then
2888 _type=open64
2889 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2890 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2891 _cflags_speed='-O2'
2892 _cflags_size='-Os'
2893 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2894 elif $_cc -V 2>&1 | grep -q Portland; then
2895 _type=pgi
2896 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
8f23907f 2897 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
a758c5e2
MR
2898 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2899 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2900 _cflags_noopt="-O1"
2901 _flags_filter=pgi_flags
f4312352
MS
2902 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
2903 _type=armasm
2904 _ident=$($_cc | head -n1)
2905 # 4509: "This form of conditional instruction is deprecated"
2906 _flags="-nologo -ignore 4509"
08b94f16 2907 _flags_filter=armasm_flags
dfa559bc
RB
2908 elif $_cc 2>&1 | grep -q Microsoft; then
2909 _type=msvc
2910 _ident=$($cc 2>&1 | head -n1)
2911 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2912 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2913 _cflags_speed="-O2"
2914 _cflags_size="-O1"
dfa559bc 2915 if $_cc 2>&1 | grep -q Linker; then
ea9f7173 2916 _ld_o='-out:$@'
dfa559bc
RB
2917 else
2918 _ld_o='-Fe$@'
2919 fi
ea9f7173
MS
2920 _cc_o='-Fo$@'
2921 _cc_e='-P -Fi$@'
dfa559bc
RB
2922 _flags_filter=msvc_flags
2923 _ld_lib='lib%.a'
2924 _ld_path='-libpath:'
2925 _flags='-nologo'
09f2581d 2926 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
dfa559bc 2927 if [ $pfx = hostcc ]; then
6a0200f2 2928 append _cflags -Dsnprintf=_snprintf
dfa559bc 2929 fi
322e4194
AS
2930 elif $_cc 2>&1 | grep -q Intel; then
2931 _type=icl
2932 _ident=$($cc 2>&1 | head -n1)
2933 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
ace87c19
DB
2934 # Not only is O3 broken on 13.x+ but it is slower on all previous
2935 # versions (tested) as well.
322e4194
AS
2936 _cflags_speed="-O2"
2937 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
322e4194 2938 if $_cc 2>&1 | grep -q Linker; then
ea9f7173 2939 _ld_o='-out:$@'
322e4194
AS
2940 else
2941 _ld_o='-Fe$@'
2942 fi
ea9f7173 2943 _cc_o='-Fo$@'
322e4194 2944 _cc_e='-P'
14fb9d3d 2945 _flags_filter=icl_flags
322e4194
AS
2946 _ld_lib='lib%.a'
2947 _ld_path='-libpath:'
ace87c19 2948 # -Qdiag-error to make icl error when seeing certain unknown arguments
60f09c04 2949 _flags='-nologo -Qdiag-error:4044,10157'
ace87c19
DB
2950 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
2951 # with MSVC which enables it by default.
e0d6e2fc 2952 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
322e4194
AS
2953 if [ $pfx = hostcc ]; then
2954 append _cflags -Dsnprintf=_snprintf
2955 fi
e5d45e02
LB
2956 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
2957 _type=cparser
2958 _ident=$($_cc --version | head -n1)
2959 _depflags='-MMD'
2960 _cflags_speed='-O4'
2961 _cflags_size='-O2'
2962 _flags_filter=cparser_flags
aef6bd1b 2963 fi
a758c5e2
MR
2964
2965 eval ${pfx}_type=\$_type
2966 eval ${pfx}_ident=\$_ident
2967}
2968
2969set_ccvars(){
23565c26 2970 eval ${1}_C=\${_cc_c-\${${1}_C}}
18031c49 2971 eval ${1}_E=\${_cc_e-\${${1}_E}}
a758c5e2
MR
2972 eval ${1}_O=\${_cc_o-\${${1}_O}}
2973
2974 if [ -n "$_depflags" ]; then
2975 eval ${1}_DEPFLAGS=\$_depflags
2976 else
2977 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2978 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2979 eval DEP${1}FLAGS=\$_flags
2980 fi
2981}
2982
2983probe_cc cc "$cc"
2984cflags_filter=$_flags_filter
2985cflags_speed=$_cflags_speed
2986cflags_size=$_cflags_size
2987cflags_noopt=$_cflags_noopt
2988add_cflags $_flags $_cflags
2989cc_ldflags=$_ldflags
2990set_ccvars CC
2991
2992probe_cc hostcc "$host_cc"
2993host_cflags_filter=$_flags_filter
a758c5e2 2994add_host_cflags $_flags $_cflags
a758c5e2 2995set_ccvars HOSTCC
629687f6 2996
851ffa80
MR
2997test -n "$cc_type" && enable $cc_type ||
2998 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 2999
75bafbac 3000: ${as_default:=$cc}
50567afa 3001: ${dep_cc_default:=$cc}
684b28e0 3002: ${ld_default:=$cc}
095792f2
MR
3003: ${host_ld_default:=$host_cc}
3004set_default ar as dep_cc ld host_ld
75800dce 3005
a758c5e2
MR
3006probe_cc as "$as"
3007asflags_filter=$_flags_filter
3008add_asflags $_flags $_cflags
3009set_ccvars AS
3010
3011probe_cc ld "$ld"
3012ldflags_filter=$_flags_filter
3013add_ldflags $_flags $_ldflags
3014test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2763587c 3015LD_O=${_ld_o-$LD_O}
8db73c61
MR
3016LD_LIB=${_ld_lib-$LD_LIB}
3017LD_PATH=${_ld_path-$LD_PATH}
a758c5e2 3018
095792f2
MR
3019probe_cc hostld "$host_ld"
3020host_ldflags_filter=$_flags_filter
3021add_host_ldflags $_flags $_ldflags
3022HOSTLD_O=${_ld_o-$HOSTLD_O}
3023
a758c5e2
MR
3024if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3025 probe_cc depcc "$dep_cc"
3026 CCDEP=${_DEPCMD:-$DEPCMD}
3027 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3028 DEPCCFLAGS=$_flags
3029fi
07dec06e 3030
3dbc777c
MR
3031if $ar 2>&1 | grep -q Microsoft; then
3032 arflags="-nologo"
3033 ar_o='-out:$@'
3034elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3035 arflags="rq"
3036 ar_o='$@'
4822ee3c
DB
3037elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3038 arflags='-Xany -r -c'
3039 ar_o='$@'
3dbc777c
MR
3040else
3041 arflags="rc"
3042 ar_o='$@'
3043fi
3044
7f32f40c 3045add_cflags $extra_cflags
2f2e6c7c 3046add_asflags $extra_cflags
7f32f40c 3047
154d432c
MR
3048if test -n "$sysroot"; then
3049 case "$cc_type" in
00ba041c 3050 gcc|llvm_gcc|clang)
467256f2 3051 add_cppflags --sysroot="$sysroot"
154d432c
MR
3052 add_ldflags --sysroot="$sysroot"
3053 ;;
6fec122a
MR
3054 tms470)
3055 add_cppflags -I"$sysinclude"
3056 add_ldflags --sysroot="$sysroot"
3057 ;;
154d432c
MR
3058 esac
3059fi
3060
d22c13a8 3061if test "$cpu" = host; then
ace87c19
DB
3062 enabled cross_compile &&
3063 die "--cpu=host makes no sense when cross-compiling."
d22c13a8
MR
3064
3065 case "$cc_type" in
613a4e3f 3066 gcc|llvm_gcc)
d22c13a8
MR
3067 check_native(){
3068 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
b695256e 3069 sed -n "/cc1.*$1=/{
27ce1be8
MR
3070 s/.*$1=\\([^ ]*\\).*/\\1/
3071 p
3072 q
3073 }" $TMPE
d22c13a8
MR
3074 }
3075 cpu=$(check_native -march || check_native -mcpu)
3076 ;;
3077 esac
3078
ace87c19
DB
3079 test "${cpu:-host}" = host &&
3080 die "--cpu=host not supported with compiler $cc"
d22c13a8
MR
3081fi
3082
e939cedd
MR
3083# Deal with common $arch aliases
3084case "$arch" in
5873b623
MR
3085 aarch64|arm64)
3086 arch="aarch64"
3087 ;;
e939cedd
MR
3088 arm*)
3089 arch="arm"
3090 ;;
2acda282 3091 mips*|IP*)
e939cedd
MR
3092 arch="mips"
3093 ;;
a6e9d649 3094 parisc*|hppa*)
e939cedd
MR
3095 arch="parisc"
3096 ;;
56203596 3097 "Power Macintosh"|ppc*|powerpc*)
e939cedd
MR
3098 arch="ppc"
3099 ;;
e939cedd
MR
3100 s390|s390x)
3101 arch="s390"
3102 ;;
3103 sh4|sh)
3104 arch="sh4"
3105 ;;
4cd217c0 3106 sun4u|sparc*)
e939cedd 3107 arch="sparc"
e939cedd 3108 ;;
c75848cd
DB
3109 tilegx|tile-gx)
3110 arch="tilegx"
3111 ;;
d33ed7b3 3112 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
e939cedd
MR
3113 arch="x86"
3114 ;;
3115esac
3116
851ffa80 3117is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 3118enable $arch
e939cedd 3119
df5cdc24 3120# Add processor-specific flags
9ebd45c2 3121if enabled aarch64; then
33db40f8
MR
3122
3123 case $cpu in
3124 armv*)
3125 cpuflags="-march=$cpu"
3126 ;;
3127 *)
3128 cpuflags="-mcpu=$cpu"
3129 ;;
3130 esac
3131
3132elif enabled alpha; then
3133
3134 cpuflags="-mcpu=$cpu"
3135
3136elif enabled arm; then
3137
1234c66a
MR
3138 check_arm_arch() {
3139 check_cpp_condition stddef.h \
3140 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3141 $cpuflags
3142 }
3143
3144 probe_arm_arch() {
3145 if check_arm_arch 4; then echo armv4;
3146 elif check_arm_arch 4T; then echo armv4t;
3147 elif check_arm_arch 5; then echo armv5;
3148 elif check_arm_arch 5E; then echo armv5e;
3149 elif check_arm_arch 5T; then echo armv5t;
3150 elif check_arm_arch 5TE; then echo armv5te;
3151 elif check_arm_arch 5TEJ; then echo armv5te;
3152 elif check_arm_arch 6; then echo armv6;
3153 elif check_arm_arch 6J; then echo armv6j;
3154 elif check_arm_arch 6K; then echo armv6k;
3155 elif check_arm_arch 6Z; then echo armv6z;
3156 elif check_arm_arch 6ZK; then echo armv6zk;
3157 elif check_arm_arch 6T2; then echo armv6t2;
3158 elif check_arm_arch 7; then echo armv7;
3159 elif check_arm_arch 7A 7_A; then echo armv7-a;
3160 elif check_arm_arch 7R 7_R; then echo armv7-r;
3161 elif check_arm_arch 7M 7_M; then echo armv7-m;
3162 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3163 elif check_arm_arch 8A 8_A; then echo armv8-a;
3164 fi
3165 }
3166
3167 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3168
33db40f8
MR
3169 case $cpu in
3170 armv*)
3171 cpuflags="-march=$cpu"
3172 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3173 ;;
3174 *)
3175 cpuflags="-mcpu=$cpu"
3176 case $cpu in
3177 cortex-a*) subarch=armv7a ;;
3178 cortex-r*) subarch=armv7r ;;
3179 cortex-m*) enable thumb; subarch=armv7m ;;
3180 arm11*) subarch=armv6 ;;
3181 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3182 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
1234c66a 3183 *) subarch=$(probe_arm_arch) ;;
33db40f8
MR
3184 esac
3185 ;;
3186 esac
3187
f0fe245b
MR
3188 case "$subarch" in
3189 armv5t*) enable fast_clz ;;
3190 armv[6-8]*) enable fast_clz fast_unaligned ;;
3191 esac
3192
33db40f8
MR
3193elif enabled avr32; then
3194
3195 case $cpu in
3196 ap7[02]0[0-2])
3197 subarch="avr32_ap"
3198 cpuflags="-mpart=$cpu"
3199 ;;
3200 ap)
3201 subarch="avr32_ap"
3202 cpuflags="-march=$cpu"
3203 ;;
3204 uc3[ab]*)
3205 subarch="avr32_uc"
3206 cpuflags="-mcpu=$cpu"
3207 ;;
3208 uc)
3209 subarch="avr32_uc"
3210 cpuflags="-march=$cpu"
3211 ;;
3212 esac
3213
3214elif enabled bfin; then
3215
3216 cpuflags="-mcpu=$cpu"
3217
3218elif enabled mips; then
3219
3220 cpuflags="-march=$cpu"
3221
5d54c126 3222elif enabled ppc; then
343aef9b 3223
606cc8af
DB
3224 disable ldbrx
3225
56348891
MR
3226 case $(tolower $cpu) in
3227 601|ppc601|powerpc601)
9dbd5c3d 3228 cpuflags="-mcpu=601"
64ad53ff 3229 disable altivec
9dbd5c3d 3230 ;;
56348891 3231 603*|ppc603*|powerpc603*)
9dbd5c3d 3232 cpuflags="-mcpu=603"
64ad53ff 3233 disable altivec
9dbd5c3d 3234 ;;
56348891 3235 604*|ppc604*|powerpc604*)
9dbd5c3d 3236 cpuflags="-mcpu=604"
64ad53ff 3237 disable altivec
9dbd5c3d 3238 ;;
56348891 3239 g3|75*|ppc75*|powerpc75*)
7f1fcaf0 3240 cpuflags="-mcpu=750"
64ad53ff 3241 disable altivec
9dbd5c3d 3242 ;;
56348891 3243 g4|745*|ppc745*|powerpc745*)
7f1fcaf0 3244 cpuflags="-mcpu=7450"
9dbd5c3d 3245 ;;
56348891 3246 74*|ppc74*|powerpc74*)
7f1fcaf0 3247 cpuflags="-mcpu=7400"
9dbd5c3d 3248 ;;
313f9fbf 3249 g5|970|ppc970|powerpc970)
7f1fcaf0 3250 cpuflags="-mcpu=970"
9dbd5c3d 3251 ;;
313f9fbf 3252 power[3-7]*)
7f1fcaf0 3253 cpuflags="-mcpu=$cpu"
313f9fbf 3254 ;;
56348891 3255 cell)
9dbd5c3d
MR
3256 cpuflags="-mcpu=cell"
3257 enable ldbrx
3258 ;;
4ab26cb4
DB
3259 e500mc)
3260 cpuflags="-mcpu=e500mc"
3261 disable altivec
3262 ;;
7b0b81a1
AL
3263 e500v2)
3264 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3265 disable altivec
54f78816 3266 disable dcbzl
7b0b81a1
AL
3267 ;;
3268 e500)
3269 cpuflags="-mcpu=8540 -mhard-float"
3270 disable altivec
54f78816 3271 disable dcbzl
7b0b81a1 3272 ;;
9dbd5c3d 3273 esac
343aef9b 3274
33db40f8
MR
3275elif enabled sparc; then
3276
3277 case $cpu in
3278 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3279 cpuflags="-mcpu=$cpu"
33db40f8
MR
3280 ;;
3281 ultrasparc*|niagara[234])
3282 cpuflags="-mcpu=$cpu"
3283 ;;
3284 esac
3285
343aef9b
MR
3286elif enabled x86; then
3287
9dbd5c3d
MR
3288 case $cpu in
3289 i[345]86|pentium)
3290 cpuflags="-march=$cpu"
3291 disable mmx
3292 ;;
f54b5505 3293 # targets that do NOT support nopl and conditional mov (cmov)
9dbd5c3d
MR
3294 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3295 cpuflags="-march=$cpu"
f54b5505 3296 disable i686
9dbd5c3d 3297 ;;
f54b5505 3298 # targets that do support nopl and conditional mov (cmov)
f2ce813e 3299 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
9dbd5c3d 3300 cpuflags="-march=$cpu"
f54b5505 3301 enable i686
9dbd5c3d
MR
3302 enable fast_cmov
3303 ;;
3304 # targets that do support conditional mov but on which it's slow
3305 pentium4|pentium4m|prescott|nocona)
3306 cpuflags="-march=$cpu"
f54b5505 3307 enable i686
9dbd5c3d
MR
3308 disable fast_cmov
3309 ;;
3310 esac
343aef9b 3311
343aef9b
MR
3312fi
3313
9ebd45c2
MR
3314if [ "$cpu" != generic ]; then
3315 add_cflags $cpuflags
3316 add_asflags $cpuflags
3317fi
df5cdc24 3318
993f2d0f
MR
3319# compiler sanity check
3320check_exec <<EOF
3321int main(void){ return 0; }
3322EOF
3323if test "$?" != 0; then
3324 echo "$cc is unable to create an executable file."
3325 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3326 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3327 echo "Only do this if you know what cross compiling means."
3328 fi
3329 die "C compiler test failed."
3330fi
3331
046f081b 3332add_cppflags -D_ISOC99_SOURCE
e9b9a2f8 3333check_cflags -std=c99
50a334e4 3334check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
3335#include <stdlib.h>
3336EOF
50a334e4 3337check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
3338#include <stdlib.h>
3339EOF
e9b9a2f8 3340
8267f936 3341add_host_cppflags -D_ISOC99_SOURCE
f0125de9 3342check_host_cflags -std=c99
0a6db2a2 3343check_host_cflags -Wall
8267f936