http: Declare more parameters as const where possible
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
070c5d0f 3# Libav configure script
f57620d5 4#
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5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
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11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
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15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
c21d6325
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20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
0dbe81bb
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24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
0dbe81bb
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
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43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
070c5d0f 47 echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
505dfb09 48 echo "Instead, install a working POSIX-compatible shell."
070c5d0f 49 echo "Disabling this configure test will create a broken Libav."
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50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
cde2d79a
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54 exit 1
55fi
56
a77f01c7
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57test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
58
74c53c2d 59show_help(){
f69f51b3 60 cat <<EOF
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61Usage: configure [options]
62Options: [defaults in brackets after descriptions]
63
3b327a4b 64Help options:
06454877 65 --help print this message
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66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
77
78Standard options:
19bd477d 79 --logfile=FILE log tests and output to FILE [config.log]
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80 --disable-logging do not log configure debug information
81 --prefix=PREFIX install in PREFIX [$prefix]
82 --bindir=DIR install binaries in DIR [PREFIX/bin]
6291d7e4 83 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
f4ca970d 84 --docdir=DIR install documentation in DIR [PREFIX/share/doc/libav]
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85 --libdir=DIR install libs in DIR [PREFIX/lib]
86 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
87 --incdir=DIR install includes in DIR [PREFIX/include]
88 --mandir=DIR install man page in DIR [PREFIX/share/man]
89
3b327a4b 90Licensing options:
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91 --enable-gpl allow use of GPL code, the resulting libs
92 and binaries will be under GPL [no]
93 --enable-version3 upgrade (L)GPL to version 3 [no]
94 --enable-nonfree allow use of nonfree code, the resulting libs
95 and binaries will be unredistributable [no]
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96
97Configuration options:
98 --disable-static do not build static libraries [no]
99 --enable-shared build shared libraries [no]
100 --enable-small optimize for size instead of speed
101 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
102 --enable-gray enable full grayscale support (slower color)
103 --disable-swscale-alpha disable alpha channel support in swscale
844c6852 104 --disable-all disable building components, libraries and programs
3b327a4b 105
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106Program options:
107 --disable-programs do not build command line programs
6291d7e4 108 --disable-avconv disable avconv build
266463da 109 --disable-avplay disable avplay build
9e12f0bf 110 --disable-avprobe disable avprobe build
4d58e4cb 111 --disable-avserver disable avserver build
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112
113Component options:
114 --disable-doc do not build documentation
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115 --disable-avdevice disable libavdevice build
116 --disable-avcodec disable libavcodec build
117 --disable-avformat disable libavformat build
d89f2fa9 118 --disable-avutil disable libavutil build
5a0f7131 119 --disable-swscale disable libswscale build
cccc039f 120 --disable-avfilter disable video filter support [no]
c8af852b 121 --disable-avresample disable libavresample build [no]
0dbfc1db 122 --disable-pthreads disable pthreads [auto]
7b7b220c 123 --disable-w32threads disable Win32 threads [auto]
06454877 124 --disable-network disable network support [no]
7f3f5f46 125 --disable-dct disable DCT code
0b499c9b 126 --disable-error-resilience disable error resilience code
193cdd9a 127 --disable-lsp disable LSP code
2a91ada8 128 --disable-lzo disable LZO decoder code
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129 --disable-mdct disable MDCT code
130 --disable-rdft disable RDFT code
3b327a4b 131 --disable-fft disable FFT code
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132
133Hardware accelerators:
3b327a4b 134 --enable-dxva2 enable DXVA2 code
dcb73592 135 --enable-vaapi enable VAAPI code
ac3dbb4d 136 --enable-vda enable VDA code
e8f6bd4b 137 --enable-vdpau enable VDPAU code
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138
139Individual component options:
bb55e3a3 140 --disable-everything disable all components listed below
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141 --disable-encoder=NAME disable encoder NAME
142 --enable-encoder=NAME enable encoder NAME
143 --disable-encoders disable all encoders
144 --disable-decoder=NAME disable decoder NAME
145 --enable-decoder=NAME enable decoder NAME
146 --disable-decoders disable all decoders
147 --disable-hwaccel=NAME disable hwaccel NAME
148 --enable-hwaccel=NAME enable hwaccel NAME
149 --disable-hwaccels disable all hwaccels
150 --disable-muxer=NAME disable muxer NAME
151 --enable-muxer=NAME enable muxer NAME
152 --disable-muxers disable all muxers
153 --disable-demuxer=NAME disable demuxer NAME
154 --enable-demuxer=NAME enable demuxer NAME
155 --disable-demuxers disable all demuxers
156 --enable-parser=NAME enable parser NAME
157 --disable-parser=NAME disable parser NAME
158 --disable-parsers disable all parsers
159 --enable-bsf=NAME enable bitstream filter NAME
160 --disable-bsf=NAME disable bitstream filter NAME
161 --disable-bsfs disable all bitstream filters
162 --enable-protocol=NAME enable protocol NAME
163 --disable-protocol=NAME disable protocol NAME
164 --disable-protocols disable all protocols
3b327a4b 165 --enable-indev=NAME enable input device NAME
06454877 166 --disable-indev=NAME disable input device NAME
06454877 167 --disable-indevs disable input devices
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168 --enable-outdev=NAME enable output device NAME
169 --disable-outdev=NAME disable output device NAME
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170 --disable-outdevs disable output devices
171 --disable-devices disable all devices
172 --enable-filter=NAME enable filter NAME
173 --disable-filter=NAME disable filter NAME
174 --disable-filters disable all filters
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175
176External library support:
03039f4c 177 --enable-avisynth enable reading of AviSynth script files [no]
06454877 178 --enable-bzlib enable bzlib [autodetect]
47941088 179 --enable-frei0r enable frei0r video filtering
bc8c1395 180 --enable-gnutls enable gnutls [no]
e417d80d 181 --enable-libcdio enable audio CD grabbing with libcdio
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182 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
183 and libraw1394 [no]
c547e5ff 184 --enable-libfaac enable AAC encoding via libfaac [no]
4f2b469d 185 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
a5b64584 186 --enable-libfreetype enable libfreetype [no]
c547e5ff 187 --enable-libgsm enable GSM de/encoding via libgsm [no]
3641b048 188 --enable-libilbc enable iLBC de/encoding via libilbc [no]
06454877 189 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
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190 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
191 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
192 --enable-libopencv enable video filtering via libopencv [no]
453c02f9 193 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
44617d6e 194 --enable-libopus enable Opus decoding via libopus [no]
7c922411 195 --enable-libpulse enable Pulseaudio input via libpulse [no]
0f943ce6 196 --enable-librtmp enable RTMP[E] support via librtmp [no]
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197 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
198 --enable-libspeex enable Speex de/encoding via libspeex [no]
06454877 199 --enable-libtheora enable Theora encoding via libtheora [no]
d89e738a 200 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
f502ff3f 201 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
c547e5ff 202 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
3f111804 203 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
84d3ff50 204 --enable-libwavpack enable wavpack encoding via libwavpack [no]
be7c3231 205 --enable-libwebp enable WebP encoding via libwebp [no]
06454877 206 --enable-libx264 enable H.264 encoding via x264 [no]
50ea9315 207 --enable-libx265 enable HEVC encoding via x265 [no]
de295976 208 --enable-libxavs enable AVS encoding via xavs [no]
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209 --enable-libxvid enable Xvid encoding via xvidcore,
210 native MPEG-4/Xvid encoder exists [no]
a060866f 211 --enable-openssl enable openssl [no]
45235ac4 212 --enable-x11grab enable X11 grabbing [no]
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213 --enable-zlib enable zlib [autodetect]
214
215Advanced options (experts only):
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216 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
217 --enable-cross-compile assume a cross-compiler is used
218 --sysroot=PATH root of cross-build tree
219 --sysinclude=PATH location of cross-build system headers
220 --target-os=OS compiler targets OS [$target_os]
221 --target-exec=CMD command to run executables on target
222 --target-path=DIR path to view of build directory on target
ba13606c 223 --target-samples=DIR path to samples directory on target
aeeb782c 224 --toolchain=NAME set tool defaults according to NAME
5926603a 225 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
06454877 226 --nm=NM use nm tool
121d78d0 227 --ar=AR use archive tool AR [$ar_default]
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228 --as=AS use assembler AS [$as_default]
229 --cc=CC use C compiler CC [$cc_default]
193cdd9a 230 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
06454877 231 --ld=LD use linker LD
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232 --pkg-config=PKGCONF use pkg-config PKGCONF [$pkg_config_default]
233 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
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234 --host-cc=HOSTCC use host C compiler HOSTCC
235 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
4cc4b33f 236 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
095792f2 237 --host-ld=HOSTLD use host linker HOSTLD
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238 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
239 --host-libs=HLIBS use libs HLIBS when linking for host
193cdd9a 240 --host-os=OS compiler host OS [$target_os]
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241 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
242 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
243 --extra-libs=ELIBS add ELIBS [$ELIBS]
244 --extra-version=STRING version string suffix []
193cdd9a 245 --optflags=OPTFLAGS override optimization-related compiler flags
06454877 246 --build-suffix=SUFFIX library name suffix []
3b327a4b 247 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
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248 --arch=ARCH select architecture [$arch]
249 --cpu=CPU select the minimum required CPU (affects
250 instruction selection, may crash on older CPUs)
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251 --enable-pic build position-independent code
252 --enable-sram allow use of on-chip SRAM
193cdd9a 253 --enable-thumb compile for Thumb instruction set
3b327a4b 254 --disable-symver disable symbol versioning
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255 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
256 --disable-safe-bitstream-reader
257 disable buffer boundary checking in bitreaders
258 (faster, but may crash)
259 --enable-memalign-hack emulate memalign, interferes with memory debuggers
65d12900 260 --enable-lto use link-time optimization
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261
262Optimization options (experts only):
c8a4ae00 263 --disable-asm disable all assembler optimizations
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264 --disable-altivec disable AltiVec optimizations
265 --disable-amd3dnow disable 3DNow! optimizations
266 --disable-amd3dnowext disable 3DNow! extended optimizations
267 --disable-mmx disable MMX optimizations
239fdf1b 268 --disable-mmxext disable MMXEXT optimizations
06454877 269 --disable-sse disable SSE optimizations
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270 --disable-sse2 disable SSE2 optimizations
271 --disable-sse3 disable SSE3 optimizations
06454877 272 --disable-ssse3 disable SSSE3 optimizations
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273 --disable-sse4 disable SSE4 optimizations
274 --disable-sse42 disable SSE4.2 optimizations
87f1355f 275 --disable-avx disable AVX optimizations
10b0161d 276 --disable-xop disable XOP optimizations
1b932eb1 277 --disable-fma3 disable FMA3 optimizations
79687079 278 --disable-fma4 disable FMA4 optimizations
4d6ee072 279 --disable-avx2 disable AVX2 optimizations
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280 --disable-armv5te disable armv5te optimizations
281 --disable-armv6 disable armv6 optimizations
282 --disable-armv6t2 disable armv6t2 optimizations
b3267559 283 --disable-vfp disable VFP optimizations
5ea20630 284 --disable-neon disable NEON optimizations
06454877 285 --disable-vis disable VIS optimizations
afb5ed55 286 --disable-inline-asm disable use of inline assembler
06454877 287 --disable-yasm disable use of yasm assembler
06454877 288
070c5d0f 289Developer options (useful when working on Libav itself):
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290 --disable-debug disable debugging symbols
291 --enable-debug=LEVEL set the debug level [$debuglevel]
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292 --disable-optimizations disable compiler optimizations
293 --enable-extra-warnings enable more compiler warnings
52b3cc60 294 --samples=PATH location of test samples for FATE, if not set use
9309bdfe 295 \$LIBAV_SAMPLES at make invocation time.
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MS
296 --enable-neon-clobber-test check NEON registers for clobbering (should be
297 used only for debugging purposes)
7e4d9d5d
RB
298 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
299 should be used only for debugging purposes)
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300 --enable-random randomly enable/disable components
301 --disable-random
302 --enable-random=LIST randomly enable/disable specific components or
303 --disable-random=LIST component groups. LIST is a comma-separated list
304 of NAME[:PROB] entries where NAME is a component
305 (group) and PROB the probability associated with
306 NAME (default 0.5).
307 --random-seed=VALUE seed value for --enable/disable-random
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308
309NOTE: Object files are built at the place where configure is launched.
310EOF
60e8bc13 311 exit 0
74c53c2d 312}
cf9d24ad 313
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314quotes='""'
315
57bd82d4 316log(){
2270b4b2 317 echo "$@" >> $logfile
57bd82d4
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318}
319
720c69da 320log_file(){
c8e9f801 321 log BEGIN $1
2270b4b2 322 pr -n -t $1 >> $logfile
c8e9f801
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323 log END $1
324}
325
2ba042a7 326echolog(){
c8e9f801 327 log "$@"
57bd82d4 328 echo "$@"
2ba042a7
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329}
330
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331warn(){
332 log "WARNING: $*"
333 WARNINGS="${WARNINGS}WARNING: $*\n"
334}
335
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336die(){
337 echolog "$@"
338 cat <<EOF
d326cf7f 339
2ba042a7 340If you think configure made a mistake, make sure you are using the latest
4a6a21f5 341version from Git. If the latest version fails, report the problem to the
5045f6bd 342libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
2ba042a7 343EOF
e155a21a 344 if disabled logging; then
2ba042a7 345 cat <<EOF
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346Rerun configure with logging enabled (do not use --disable-logging), and
347include the log this produces with your report.
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348EOF
349 else
f69f51b3 350 cat <<EOF
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351Include the log file "$logfile" produced by configure as this will help
352solving the problem.
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353EOF
354 fi
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355 exit 1
356}
357
6c6007d6 358# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 359toupper(){
6c6007d6 360 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
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361}
362
4a5444db 363tolower(){
6c6007d6 364 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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365}
366
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367c_escape(){
368 echo "$*" | sed 's/["\\]/\\\0/g'
369}
370
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371sh_quote(){
372 v=$(echo "$1" | sed "s/'/'\\\\''/g")
d72c981c 373 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
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374 echo "$v"
375}
376
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377cleanws(){
378 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
379}
380
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381filter(){
382 pat=$1
383 shift
384 for v; do
98ef6079 385 eval "case $v in $pat) echo $v ;; esac"
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386 done
387}
388
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389filter_out(){
390 pat=$1
391 shift
392 for v; do
393 eval "case $v in $pat) ;; *) echo $v ;; esac"
394 done
395}
396
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397map(){
398 m=$1
399 shift
e0e335a0 400 for v; do eval $m; done
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401}
402
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403add_suffix(){
404 suffix=$1
405 shift
406 for v; do echo ${v}${suffix}; done
407}
408
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409set_all(){
410 value=$1
411 shift
412 for var in $*; do
413 eval $var=$value
414 done
415}
416
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417set_weak(){
418 value=$1
419 shift
420 for var; do
421 eval : \${$var:=$value}
422 done
423}
424
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425sanitize_var_name(){
426 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
427}
428
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429set_safe(){
430 var=$1
431 shift
f868b24d 432 eval $(sanitize_var_name "$var")='$*'
3f8040db
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433}
434
435get_safe(){
f868b24d 436 eval echo \$$(sanitize_var_name "$1")
3f8040db
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437}
438
799c9e9b 439pushvar(){
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MS
440 for pvar in $*; do
441 eval level=\${${pvar}_level:=0}
442 eval ${pvar}_${level}="\$$pvar"
443 eval ${pvar}_level=$(($level+1))
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444 done
445}
446
447popvar(){
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MS
448 for pvar in $*; do
449 eval level=\${${pvar}_level:-0}
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450 test $level = 0 && continue
451 eval level=$(($level-1))
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452 eval $pvar="\${${pvar}_${level}}"
453 eval ${pvar}_level=$level
454 eval unset ${pvar}_${level}
799c9e9b
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455 done
456}
457
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458enable(){
459 set_all yes $*
460}
461
462disable(){
463 set_all no $*
464}
465
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466enable_weak(){
467 set_weak yes $*
468}
469
470disable_weak(){
471 set_weak no $*
472}
473
72702705 474enable_safe(){
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475 for var; do
476 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
477 done
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478}
479
480disable_safe(){
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481 for var; do
482 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
483 done
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484}
485
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486do_enable_deep(){
487 for var; do
488 enabled $var && continue
489 eval sel="\$${var}_select"
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490 eval sgs="\$${var}_suggest"
491 pushvar var sgs
f9d328da 492 enable_deep $sel
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493 popvar sgs
494 enable_deep_weak $sgs
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495 popvar var
496 done
497}
498
499enable_deep(){
500 do_enable_deep $*
501 enable $*
502}
503
72a43668 504enable_deep_weak(){
ffb068ce
MS
505 for var; do
506 disabled $var && continue
507 pushvar var
508 do_enable_deep $var
509 popvar var
510 enable_weak $var
511 done
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512}
513
57bd82d4 514enabled(){
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515 test "${1#!}" = "$1" && op== || op=!=
516 eval test "x\$${1#!}" $op "xyes"
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517}
518
37970ebf 519disabled(){
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520 test "${1#!}" = "$1" && op== || op=!=
521 eval test "x\$${1#!}" $op "xno"
37970ebf
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522}
523
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524enabled_all(){
525 for opt; do
526 enabled $opt || return 1
527 done
528}
529
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530disabled_all(){
531 for opt; do
532 disabled $opt || return 1
533 done
534}
535
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536enabled_any(){
537 for opt; do
538 enabled $opt && return 0
539 done
540}
541
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542disabled_any(){
543 for opt; do
544 disabled $opt && return 0
545 done
f7b230a7 546 return 1
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547}
548
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549set_default(){
550 for opt; do
88268e94 551 eval : \${$opt:=\$${opt}_default}
c9d19248
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552 done
553}
554
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555is_in(){
556 value=$1
557 shift
558 for var in $*; do
559 [ $var = $value ] && return 0
560 done
561 return 1
562}
563
d4f8cecc 564do_check_deps(){
30fd06be 565 for cfg; do
3250003c 566 cfg="${cfg#!}"
799c9e9b
MR
567 enabled ${cfg}_checking && die "Circular dependency for $cfg."
568 disabled ${cfg}_checking && continue
569 enable ${cfg}_checking
d4f8cecc 570 append allopts $cfg
799c9e9b 571
30fd06be
MR
572 eval dep_all="\$${cfg}_deps"
573 eval dep_any="\$${cfg}_deps_any"
7ef3425f 574 eval dep_sel="\$${cfg}_select"
c510c7b5 575 eval dep_sgs="\$${cfg}_suggest"
3d7453e0
MR
576 eval dep_ifa="\$${cfg}_if"
577 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 578
3d7453e0 579 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
d4f8cecc 580 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
3d7453e0 581 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 582
3d7453e0
MR
583 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
584 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
6a702d4c
MR
585 enabled_all $dep_all || disable $cfg
586 enabled_any $dep_any || disable $cfg
7ef3425f 587 disabled_any $dep_sel && disable $cfg
799c9e9b 588
4ec45764 589 if enabled $cfg; then
f9d328da 590 enable_deep $dep_sel
c510c7b5 591 enable_deep_weak $dep_sgs
4ec45764
RP
592 fi
593
799c9e9b 594 disable ${cfg}_checking
30fd06be
MR
595 done
596}
597
d4f8cecc
MR
598check_deps(){
599 unset allopts
600
601 do_check_deps "$@"
602
603 for cfg in $allopts; do
604 enabled $cfg || continue
605 eval dep_extralibs="\$${cfg}_extralibs"
606 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
607 done
608}
609
44161118
MR
610print_config(){
611 pfx=$1
72cfcf41
MR
612 files=$2
613 shift 2
f454e879
MR
614 map 'eval echo "$v \${$v:-no}"' "$@" |
615 awk "BEGIN { split(\"$files\", files) }
616 {
617 c = \"$pfx\" toupper(\$1);
618 v = \$2;
619 sub(/yes/, 1, v);
620 sub(/no/, 0, v);
621 for (f in files) {
622 file = files[f];
623 if (file ~ /\\.h\$/) {
624 printf(\"#define %s %d\\n\", c, v) >>file;
625 } else if (file ~ /\\.asm\$/) {
626 printf(\"%%define %s %d\\n\", c, v) >>file;
627 } else if (file ~ /\\.mak\$/) {
d16c4aeb 628 n = -v ? \"\" : \"!\";
f454e879
MR
629 printf(\"%s%s=yes\\n\", n, c) >>file;
630 }
631 }
632 }"
57bd82d4
MR
633}
634
31c0121d 635print_enabled(){
31c0121d
MR
636 suf=$1
637 shift
638 for v; do
9eda2a85 639 enabled $v && printf "%s\n" ${v%$suf};
31c0121d
MR
640 done
641}
642
57bd82d4
MR
643append(){
644 var=$1
645 shift
57bd82d4
MR
646 eval "$var=\"\$$var $*\""
647}
648
60361817
MR
649prepend(){
650 var=$1
651 shift
652 eval "$var=\"$* \$$var\""
653}
654
50a334e4 655add_cppflags(){
cd52ec95 656 append CPPFLAGS "$@"
50a334e4
MR
657}
658
57bd82d4 659add_cflags(){
01d31e16 660 append CFLAGS $($cflags_filter "$@")
57bd82d4
MR
661}
662
2f2e6c7c 663add_asflags(){
01d31e16 664 append ASFLAGS $($asflags_filter "$@")
2f2e6c7c
MR
665}
666
57bd82d4 667add_ldflags(){
64933b6c 668 append LDFLAGS $($ldflags_filter "$@")
57bd82d4
MR
669}
670
0673ede9
VG
671add_stripflags(){
672 append STRIPFLAGS "$@"
673}
674
57bd82d4 675add_extralibs(){
64933b6c 676 prepend extralibs $($ldflags_filter "$@")
57bd82d4
MR
677}
678
4cc4b33f
DB
679add_host_cppflags(){
680 append host_cppflags "$@"
681}
682
6c3fa06a
MR
683add_host_cflags(){
684 append host_cflags $($host_cflags_filter "$@")
685}
686
687add_host_ldflags(){
688 append host_ldflags $($host_ldflags_filter "$@")
689}
690
84e65c76
MR
691add_compat(){
692 append compat_objs $1
693 shift
694 map 'add_cppflags -D$v' "$@"
695}
696
b0cfb663 697check_cmd(){
b3cb5d51 698 log "$@"
2270b4b2 699 "$@" >> $logfile 2>&1
b0cfb663
MR
700}
701
b2704a65
MR
702cc_o(){
703 eval printf '%s\\n' $CC_O
704}
705
18031c49
MR
706cc_e(){
707 eval printf '%s\\n' $CC_E
708}
709
dcd479c0 710check_cc(){
57bd82d4 711 log check_cc "$@"
2270b4b2 712 cat > $TMPC
720c69da 713 log_file $TMPC
23565c26 714 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
57bd82d4
MR
715}
716
717check_cpp(){
718 log check_cpp "$@"
2270b4b2 719 cat > $TMPC
720c69da 720 log_file $TMPC
18031c49 721 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
dcd479c0
MR
722}
723
df0d6341
MR
724as_o(){
725 eval printf '%s\\n' $AS_O
726}
727
f65883c8
MR
728check_as(){
729 log check_as "$@"
7fd90119
MR
730 cat > $TMPS
731 log_file $TMPS
732 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
f65883c8
MR
733}
734
575db883
DB
735check_inline_asm(){
736 log check_inline_asm "$@"
940f335a 737 name="$1"
3784e82e 738 code="$2"
940f335a 739 shift 2
49214f61 740 disable $name
7fd90119 741 check_cc "$@" <<EOF && enable $name
3784e82e 742void foo(void){ __asm__ volatile($code); }
940f335a
MR
743EOF
744}
745
c6ebc9fa
MR
746check_insn(){
747 log check_insn "$@"
748 check_inline_asm ${1}_inline "\"$2\""
749 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
750}
751
304d586d
LM
752check_yasm(){
753 log check_yasm "$@"
754 echo "$1" > $TMPS
755 log_file $TMPS
756 shift 1
757 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
758}
759
29b64b68
MR
760ld_o(){
761 eval printf '%s\\n' $LD_O
762}
763
dcd479c0 764check_ld(){
57bd82d4 765 log check_ld "$@"
66a1ccd7
MR
766 flags=$(filter_out '-l*' "$@")
767 libs=$(filter '-l*' "$@")
01d31e16 768 check_cc $($cflags_filter $flags) || return
64933b6c
MR
769 flags=$($ldflags_filter $flags)
770 libs=$($ldflags_filter $libs)
29b64b68 771 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
dcd479c0
MR
772}
773
52ccc4a0
DB
774print_include(){
775 hdr=$1
776 test "${hdr%.h}" = "${hdr}" &&
777 echo "#include $hdr" ||
778 echo "#include <$hdr>"
779}
780
5adc829e
MR
781check_code(){
782 log check_code "$@"
783 check=$1
784 headers=$2
785 code=$3
786 shift 3
787 {
788 for hdr in $headers; do
52ccc4a0 789 print_include $hdr
5adc829e
MR
790 done
791 echo "int main(void) { $code; return 0; }"
792 } | check_$check "$@"
793}
794
50a334e4
MR
795check_cppflags(){
796 log check_cppflags "$@"
caf458dd 797 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
798int x;
799EOF
800}
801
23157d72
DB
802test_cflags(){
803 log test_cflags "$@"
01d31e16 804 set -- $($cflags_filter "$@")
23157d72 805 check_cc "$@" <<EOF
dcd479c0
MR
806int x;
807EOF
808}
809
23157d72
DB
810check_cflags(){
811 log check_cflags "$@"
812 test_cflags "$@" && add_cflags "$@"
813}
814
2ed46eea
MR
815test_ldflags(){
816 log test_ldflags "$@"
817 check_ld "$@" <<EOF
c23a0ac8 818int main(void){ return 0; }
dcd479c0
MR
819EOF
820}
821
2ed46eea
MR
822check_ldflags(){
823 log check_ldflags "$@"
824 test_ldflags "$@" && add_ldflags "$@"
825}
826
0673ede9
VG
827test_stripflags(){
828 log test_stripflags "$@"
829 # call check_cc to get a fresh TMPO
830 check_cc <<EOF
831int main(void) { return 0; }
832EOF
833 check_cmd $strip $STRIPFLAGS "$@" $TMPO
834}
835
836check_stripflags(){
837 log check_stripflags "$@"
838 test_stripflags "$@" && add_stripflags "$@"
839}
840
dcd479c0 841check_header(){
57bd82d4 842 log check_header "$@"
dcd479c0
MR
843 header=$1
844 shift
b77df637
MR
845 disable_safe $header
846 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
847#include <$header>
848int x;
849EOF
850}
851
852check_func(){
57bd82d4 853 log check_func "$@"
dcd479c0
MR
854 func=$1
855 shift
d8bc5f06
MR
856 disable $func
857 check_ld "$@" <<EOF && enable $func
dcd479c0 858extern int $func();
c23a0ac8 859int main(void){ $func(); }
dcd479c0
MR
860EOF
861}
862
645d2652 863check_mathfunc(){
6b73c0ae 864 log check_mathfunc "$@"
645d2652 865 func=$1
1aa07aa2
MR
866 narg=$2
867 shift 2
868 test $narg = 2 && args="f, g" || args="f"
645d2652
MR
869 disable $func
870 check_ld "$@" <<EOF && enable $func
871#include <math.h>
1aa07aa2 872float foo(float f, float g) { return $func($args); }
33bd38db 873int main(void){ return 0; }
645d2652
MR
874EOF
875}
876
2446d3d6
DB
877check_func_headers(){
878 log check_func_headers "$@"
f8d7b072 879 headers=$1
edaf1ae2 880 funcs=$2
f8d7b072 881 shift 2
edaf1ae2
MR
882 {
883 for hdr in $headers; do
52ccc4a0 884 print_include $hdr
edaf1ae2
MR
885 done
886 for func in $funcs; do
887 echo "long check_$func(void) { return (long) $func; }"
888 done
889 echo "int main(void) { return 0; }"
890 } | check_ld "$@" && enable $funcs && enable_safe $headers
f8d7b072
MR
891}
892
a5344cf7
SS
893check_cpp_condition(){
894 log check_cpp_condition "$@"
895 header=$1
896 condition=$2
f855b7b9 897 shift 2
cd52ec95 898 check_cpp "$@" <<EOF
a5344cf7
SS
899#include <$header>
900#if !($condition)
901#error "unsatisfied condition: $condition"
902#endif
903EOF
904}
905
57bd82d4
MR
906check_lib(){
907 log check_lib "$@"
908 header="$1"
909 func="$2"
910 shift 2
84400e9d 911 check_header $header && check_func $func "$@" && add_extralibs "$@"
57bd82d4
MR
912}
913
f8d7b072
MR
914check_lib2(){
915 log check_lib2 "$@"
916 headers="$1"
edaf1ae2 917 funcs="$2"
f8d7b072 918 shift 2
edaf1ae2 919 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
f8d7b072
MR
920}
921
3f8040db
MR
922check_pkg_config(){
923 log check_pkg_config "$@"
924 pkg="$1"
925 headers="$2"
926 funcs="$3"
927 shift 3
7f9e893f 928 check_cmd $pkg_config --exists --print-errors $pkg || return
390acbea
LB
929 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
930 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
3f8040db
MR
931 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
932 set_safe ${pkg}_cflags $pkg_cflags &&
933 set_safe ${pkg}_libs $pkg_libs
934}
935
dcd479c0 936check_exec(){
2270b4b2 937 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
938}
939
7dfef245 940check_exec_crash(){
5e622c40 941 code=$(cat)
7dfef245
MR
942
943 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
944 # are safe but may not be available everywhere. Thus we use
945 # raise(SIGTERM) instead. The check is run in a subshell so we
946 # can redirect the "Terminated" message from the shell. SIGBUS
947 # is not defined by standard C so it is used conditionally.
948
2270b4b2 949 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
950#include <signal.h>
951static void sighandler(int sig){
952 raise(SIGTERM);
953}
692dd8ed
MR
954int foo(void){
955 $code
956}
9495cd17 957int (*func_ptr)(void) = foo;
e5af4a11 958int main(void){
7dfef245
MR
959 signal(SIGILL, sighandler);
960 signal(SIGFPE, sighandler);
961 signal(SIGSEGV, sighandler);
962#ifdef SIGBUS
963 signal(SIGBUS, sighandler);
964#endif
9495cd17 965 return func_ptr();
7dfef245
MR
966}
967EOF
968}
969
72be9e73
DY
970check_type(){
971 log check_type "$@"
972 headers=$1
973 type=$2
974 shift 2
ae550ce9 975 disable_safe "$type"
5adc829e 976 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
72be9e73
DY
977}
978
14d36751 979check_struct(){
813b82b9 980 log check_struct "$@"
14d36751
MR
981 headers=$1
982 struct=$2
983 member=$3
984 shift 3
985 disable_safe "${struct}_${member}"
5adc829e
MR
986 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
987 enable_safe "${struct}_${member}"
14d36751
MR
988}
989
9c7d85b3
DB
990check_builtin(){
991 log check_builtin "$@"
992 name=$1
993 headers=$2
994 builtin=$3
995 shift 3
996 disable "$name"
997 check_code ld "$headers" "$builtin" "$@" && enable "$name"
998}
999
e854b8f9
AK
1000check_compile_assert(){
1001 log check_compile_assert "$@"
1002 name=$1
1003 headers=$2
1004 condition=$3
1005 shift 3
1006 disable "$name"
1007 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1008}
1009
57bd82d4
MR
1010require(){
1011 name="$1"
1012 header="$2"
1013 func="$3"
1014 shift 3
1015 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
1016}
1017
f8d7b072
MR
1018require2(){
1019 name="$1"
1020 headers="$2"
1021 func="$3"
1022 shift 3
1023 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1024}
1025
3f8040db
MR
1026require_pkg_config(){
1027 pkg="$1"
1028 check_pkg_config "$@" || die "ERROR: $pkg not found"
1029 add_cflags $(get_safe ${pkg}_cflags)
1030 add_extralibs $(get_safe ${pkg}_libs)
1031}
1032
27565164
DB
1033hostcc_e(){
1034 eval printf '%s\\n' $HOSTCC_E
1035}
1036
ae43c4c0
MR
1037hostcc_o(){
1038 eval printf '%s\\n' $HOSTCC_O
1039}
1040
f0125de9
MR
1041check_host_cc(){
1042 log check_host_cc "$@"
1043 cat > $TMPC
1044 log_file $TMPC
ae43c4c0 1045 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
f0125de9
MR
1046}
1047
27565164
DB
1048check_host_cpp(){
1049 log check_host_cpp "$@"
1050 cat > $TMPC
1051 log_file $TMPC
1052 check_cmd $host_cc $HOSTCPPFLAGS $HOSTCFLAGS "$@" $(hostcc_e $TMPO) $TMPC
1053}
1054
4cc4b33f
DB
1055check_host_cppflags(){
1056 log check_host_cppflags "$@"
1057 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1058int x;
1059EOF
1060}
1061
f0125de9
MR
1062check_host_cflags(){
1063 log check_host_cflags "$@"
6c3fa06a 1064 set -- $($host_cflags_filter "$@")
f0125de9
MR
1065 check_host_cc "$@" <<EOF && append host_cflags "$@"
1066int x;
1067EOF
1068}
1069
27565164
DB
1070check_host_cpp_condition(){
1071 log check_host_cpp_condition "$@"
1072 header=$1
1073 condition=$2
1074 shift 2
1075 check_host_cpp "$@" <<EOF
1076#include <$header>
1077#if !($condition)
1078#error "unsatisfied condition: $condition"
1079#endif
1080EOF
1081}
1082
c505dd31
MR
1083apply(){
1084 file=$1
1085 shift
1086 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1087}
1088
c34681df 1089cp_if_changed(){
5e27ec28
MR
1090 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1091 mkdir -p "$(dirname $2)"
4ebc6a74 1092 $cp_f "$1" "$2"
c34681df
MR
1093}
1094
dcd61286
DB
1095# CONFIG_LIST contains configurable options, while HAVE_LIST is for
1096# system-dependent things.
1097
4a0d6686
AJ
1098COMPONENT_LIST="
1099 bsfs
1100 decoders
1101 demuxers
1102 encoders
3cde40aa 1103 filters
5666fd73 1104 hwaccels
c552605c 1105 indevs
4a0d6686 1106 muxers
c552605c 1107 outdevs
4a0d6686
AJ
1108 parsers
1109 protocols
1110"
1111
ab81f24a 1112EXAMPLE_LIST="
b339182e 1113 avcodec_example
e7dfaf16 1114 filter_audio_example
b339182e 1115 metadata_example
ab81f24a 1116 output_example
10421bcf 1117 transcode_aac_example
ab81f24a
DB
1118"
1119
3fc09b00
MR
1120EXTERNAL_LIBRARY_LIST="
1121 avisynth
1122 bzlib
1123 frei0r
1124 gnutls
1125 libcdio
1126 libdc1394
1127 libfaac
1128 libfdk_aac
1129 libfreetype
1130 libgsm
1131 libilbc
1132 libmp3lame
1133 libopencore_amrnb
1134 libopencore_amrwb
1135 libopencv
1136 libopenjpeg
1137 libopus
1138 libpulse
1139 librtmp
1140 libschroedinger
1141 libspeex
1142 libtheora
1143 libvo_aacenc
1144 libvo_amrwbenc
1145 libvorbis
1146 libvpx
84d3ff50 1147 libwavpack
be7c3231 1148 libwebp
3fc09b00 1149 libx264
50ea9315 1150 libx265
3fc09b00
MR
1151 libxavs
1152 libxvid
1153 openssl
1154 x11grab
1155 zlib
1156"
1157
70b348ec
DB
1158HWACCEL_LIST="
1159 dxva2
1160 vaapi
1161 vda
1162 vdpau
1163"
7caf48e0 1164
d89f2fa9
DB
1165LIBRARY_LIST="
1166 avcodec
1167 avdevice
1168 avfilter
1169 avformat
1170 avresample
1171 avutil
1172 swscale
1173"
1174
055c61b8
DB
1175PROGRAM_LIST="
1176 avconv
1177 avplay
1178 avprobe
1179 avserver
055c61b8
DB
1180"
1181
4a0d6686
AJ
1182CONFIG_LIST="
1183 $COMPONENT_LIST
ab81f24a 1184 $EXAMPLE_LIST
3fc09b00 1185 $EXTERNAL_LIBRARY_LIST
70b348ec 1186 $HWACCEL_LIST
d89f2fa9 1187 $LIBRARY_LIST
055c61b8 1188 $PROGRAM_LIST
7f3f5f46 1189 dct
4da3f410 1190 doc
0b499c9b 1191 error_resilience
1848f7d9 1192 fft
c88f5d72 1193 gpl
d8d0d0b2 1194 gray
3abe5fbd 1195 hardcoded_tables
b781cc12 1196 lsp
2a91ada8 1197 lzo
47a158cb 1198 mdct
c88f5d72 1199 memalign_hack
44a0a98f 1200 neon_clobber_test
c88f5d72 1201 network
3fe142e2 1202 nonfree
8a3c8627 1203 pic
7caf48e0 1204 pod2man
68602540 1205 rdft
e90f5b5a 1206 runtime_cpudetect
8cfbbd92 1207 safe_bitstream_reader
2e35e684 1208 shared
bd2216e4 1209 small
6b35d421 1210 sram
2e35e684 1211 static
a9ddb5b1 1212 swscale_alpha
f187557a 1213 texi2html
8986fddc 1214 thumb
9cad0e4e 1215 version3
7e4d9d5d 1216 xmm_clobber_test
4a0d6686 1217"
c88f5d72 1218
7caf48e0 1219THREADS_LIST="
8eee7025
DB
1220 pthreads
1221 w32threads
7caf48e0 1222"
8eee7025 1223
7caf48e0 1224ATOMICS_LIST="
f9f6402e 1225 atomics_gcc
f9f6402e 1226 atomics_suncc
93e65e9a 1227 atomics_win32
7caf48e0 1228"
f9f6402e 1229
7caf48e0 1230ARCH_LIST="
5873b623 1231 aarch64
3f5b56e5 1232 alpha
a2fc0f6a 1233 arm
fdcd782d
MR
1234 avr32
1235 avr32_ap
1236 avr32_uc
3f5b56e5
MR
1237 bfin
1238 ia64
1239 m68k
1240 mips
bae3abb0 1241 mips64
3f5b56e5 1242 parisc
79cb09b2 1243 ppc
34d11b87 1244 ppc64
3f5b56e5
MR
1245 s390
1246 sh4
1247 sparc
1248 sparc64
c75848cd
DB
1249 tilegx
1250 tilepro
0844bae1 1251 tomi
3f5b56e5
MR
1252 x86
1253 x86_32
1254 x86_64
7caf48e0 1255"
3f5b56e5 1256
7caf48e0 1257ARCH_EXT_LIST_ARM="
81dfa21e
MR
1258 armv5te
1259 armv6
1260 armv6t2
81dfa21e 1261 neon
b3267559 1262 vfp
81dfa21e 1263 vfpv3
7caf48e0 1264"
81dfa21e 1265
7caf48e0 1266ARCH_EXT_LIST_X86_SIMD="
3bf96eec 1267 amd3dnow
a1ef9f08 1268 amd3dnowext
50cd43f2 1269 avx
4d6ee072 1270 avx2
1b932eb1 1271 fma3
50cd43f2
DB
1272 fma4
1273 mmx
1274 mmxext
1275 sse
1276 sse2
1277 sse3
1278 sse4
1279 sse42
1280 ssse3
7caf48e0
DB
1281 xop
1282"
50cd43f2 1283
84bf8817
DB
1284ARCH_EXT_LIST_X86="
1285 $ARCH_EXT_LIST_X86_SIMD
1286 cpunop
1287 i686
1288"
1289
50cd43f2 1290ARCH_EXT_LIST="
81dfa21e 1291 $ARCH_EXT_LIST_ARM
50cd43f2
DB
1292 $ARCH_EXT_LIST_X86
1293 altivec
799fde37 1294 ppc4xx
bd9d34a0 1295 vis
50cd43f2 1296"
3f5b56e5 1297
7caf48e0 1298HAVE_LIST_CMDLINE="
fd712a55
DB
1299 inline_asm
1300 symver
1301 yasm
7caf48e0 1302"
fd712a55 1303
7caf48e0 1304HAVE_LIST_PUB="
a3e02a8c 1305 bigendian
d268eee9 1306 fast_unaligned
7caf48e0 1307"
a3e02a8c 1308
79042ab3 1309MATH_FUNCS="
fab0a8b2
MR
1310 atanf
1311 atan2f
79042ab3 1312 cbrtf
fab0a8b2 1313 cosf
79042ab3
DB
1314 exp2
1315 exp2f
fab0a8b2 1316 expf
79042ab3
DB
1317 isinf
1318 isnan
fab0a8b2 1319 ldexpf
79042ab3
DB
1320 llrint
1321 llrintf
1322 log2
1323 log2f
fab0a8b2 1324 log10f
79042ab3
DB
1325 lrint
1326 lrintf
fab0a8b2 1327 powf
79042ab3
DB
1328 rint
1329 round
1330 roundf
fab0a8b2 1331 sinf
79042ab3
DB
1332 trunc
1333 truncf
1334"
1335
3f5b56e5
MR
1336HAVE_LIST="
1337 $ARCH_EXT_LIST
43b73d59
DB
1338 $(add_suffix _external $ARCH_EXT_LIST)
1339 $(add_suffix _inline $ARCH_EXT_LIST)
7caf48e0 1340 $ATOMICS_LIST
fd712a55 1341 $HAVE_LIST_CMDLINE
a3e02a8c 1342 $HAVE_LIST_PUB
79042ab3 1343 $MATH_FUNCS
7caf48e0 1344 $THREADS_LIST
be1a839c 1345 aligned_malloc
59782b82 1346 aligned_stack
35fd8122 1347 alsa_asoundlib_h
3f5b56e5 1348 altivec_h
c9fdab0d 1349 arpa_inet_h
ec9d2c15 1350 asm_mod_q
817dff57 1351 atomic_cas_ptr
f9f6402e 1352 atomics_native
dffb41b9 1353 attribute_may_alias
e7ea5e3d 1354 attribute_packed
43e0e0c4
LB
1355 cdio_paranoia_h
1356 cdio_paranoia_paranoia_h
ecf97f22 1357 closesocket
15caccb9 1358 CommandLineToArgvW
1093383d 1359 CryptGenRandom
c88f5d72 1360 dcbzl
f8aa696f
DB
1361 dev_bktr_ioctl_bt848_h
1362 dev_bktr_ioctl_meteor_h
1363 dev_ic_bt8xx_h
f8aa696f 1364 dev_video_bktr_ioctl_bt848_h
3e0b1c9a 1365 dev_video_meteor_ioctl_meteor_h
ca6b544a 1366 direct_h
18b67ae5 1367 dlfcn_h
c88f5d72 1368 dlopen
bc574408 1369 dos_paths
fa845061 1370 dxva_h
245626d0
DB
1371 ebp_available
1372 ebx_available
c2a29455 1373 fast_64bit
669b5583 1374 fast_clz
7073e9fc 1375 fast_cmov
534a2231 1376 fcntl
e854b8f9 1377 flt_lim
9d99cc5a 1378 fork
84882df6 1379 getaddrinfo
da9e86f8 1380 gethrtime
667fb97a 1381 getopt
02e8f427 1382 GetProcessAffinityMask
fc5607f8 1383 GetProcessMemoryInfo
4e68cb8a 1384 GetProcessTimes
66be5b45 1385 getrusage
c3e73100 1386 getservbyport
7caf48e0 1387 GetSystemTimeAsFileTime
61183b5a 1388 gettimeofday
a49d3025 1389 gnu_as
c7df1532 1390 gsm_h
2f0c136e 1391 ibm_asm
2e1913b1 1392 inet_aton
ef5b70af 1393 inline_asm_labels
7caf48e0 1394 io_h
abfc8d05 1395 isatty
8772997d 1396 jack_port_get_latency_range
9f5ff83f 1397 ldbrx
d64341e4 1398 libc_msvcrt
0b4a1821
AS
1399 libdc1394_1
1400 libdc1394_2
d96cd429
MR
1401 local_aligned_16
1402 local_aligned_8
a5b64584 1403 localtime_r
85dd97ad 1404 loongson
c708b540
JG
1405 mach_absolute_time
1406 mach_mach_time_h
f8aa696f
DB
1407 machine_ioctl_bt848_h
1408 machine_ioctl_meteor_h
65f1d45d 1409 machine_rw_barrier
c88f5d72 1410 malloc_h
73f6d31e 1411 MapViewOfFile
c88f5d72 1412 memalign
65f1d45d 1413 MemoryBarrier
6ffa87d3 1414 mkstemp
f80ddd5b 1415 mm_empty
0328b9ea 1416 mmap
e98b02de 1417 mprotect
d3d3a32c 1418 nanosleep
3e0b1c9a 1419 poll_h
1f91cdce 1420 posix_memalign
3a7050ff 1421 pragma_deprecated
07b28702 1422 rdtsc
ea4d5f48 1423 sched_getaffinity
c88f5d72 1424 sdl
7e6a11bc 1425 SetConsoleTextAttribute
b507ebd1 1426 setmode
3e0b1c9a 1427 setrlimit
d3d3a32c 1428 Sleep
15d59d2c 1429 sndio_h
72be9e73 1430 socklen_t
deb29777 1431 soundcard_h
87958234 1432 strerror_r
6379900c 1433 strptime
c0018613 1434 struct_addrinfo
75d339e0
MS
1435 struct_group_source_req
1436 struct_ip_mreq_source
b4d68544 1437 struct_ipv6_mreq
cdee08e3 1438 struct_pollfd
3e0b1c9a 1439 struct_rusage_ru_maxrss
b4d68544 1440 struct_sockaddr_in6
3b2372bf 1441 struct_sockaddr_sa_len
33a4dbdd 1442 struct_sockaddr_storage
a6a4793d 1443 struct_v4l2_frmivalenum_discrete
b462d132 1444 symver_asm_label
3e0b1c9a 1445 symver_gnu_asm
e460aa32 1446 sync_val_compare_and_swap
b58412f1 1447 sys_mman_h
06bb5905 1448 sys_param_h
b091aa44 1449 sys_resource_h
81644c2e 1450 sys_select_h
deb29777 1451 sys_soundcard_h
e64bceea 1452 sys_time_h
60538758 1453 sys_un_h
1b6e8b73 1454 sys_videoio_h
7caf48e0
DB
1455 sysconf
1456 sysctl
b265431e 1457 threads
542920b7 1458 unistd_h
d3d3a32c 1459 usleep
7671dd7c 1460 vdpau_x11
ce742de2 1461 vfp_args
7c5bfe7a 1462 VirtualAlloc
d3d3a32c 1463 windows_h
6ff3f3e7 1464 winsock2_h
cc078b5d 1465 xform_asm
7671dd7c 1466 xlib
6f74fb03 1467 xmm_clobbers
0cb78cef 1468"
44161118 1469
511cf612 1470# options emitted with CONFIG_ prefix but not available on the command line
b6bb00b0 1471CONFIG_EXTRA="
87849592 1472 aandcttables
bfe9f48a 1473 ac3dsp
aa11cb79 1474 audio_frame_queue
b93b27ed 1475 dsputil
bfe9f48a 1476 gcrypt
478fd534 1477 golomb
9cad0e4e 1478 gplv3
0338c396 1479 h263dsp
478fd534
DB
1480 h264chroma
1481 h264dsp
1482 h264pred
915a2a0a 1483 h264qpel
68d8238c 1484 hpeldsp
478fd534 1485 huffman
dc4d726b 1486 intrax8
9cad0e4e 1487 lgplv3
478fd534 1488 lpc
1e164c0b 1489 mpegaudio
bfe9f48a 1490 mpegaudiodsp
18bbca1f 1491 mpegvideo
ad08dfd5 1492 mpegvideoenc
bfe9f48a 1493 nettle
f704a079 1494 rangecoder
255d9c57 1495 riffdec
3dd5c95d 1496 riffenc
bfe9f48a 1497 rtpdec
5ad2f0bf 1498 rtpenc_chain
bfe9f48a 1499 sinewin
8c53d39e 1500 videodsp
ab9f9876 1501 vp3dsp
b6bb00b0
MR
1502"
1503
520cc7f1 1504CMDLINE_SELECT="
3f5b56e5 1505 $ARCH_EXT_LIST
520cc7f1 1506 $CONFIG_LIST
fd712a55 1507 $HAVE_LIST_CMDLINE
8eee7025 1508 $THREADS_LIST
c8a4ae00 1509 asm
db6107b6 1510 cross_compile
520cc7f1
MR
1511 debug
1512 extra_warnings
8c6afa4d 1513 logging
65d12900 1514 lto
d2bbb2f7 1515 optimizations
520cc7f1 1516"
426be5dc 1517
7caf48e0 1518PATHS_LIST="
d156bede 1519 bindir
14a8acf1 1520 datadir
f4ca970d 1521 docdir
26759c44
MR
1522 incdir
1523 libdir
26759c44
MR
1524 mandir
1525 prefix
1526 shlibdir
7caf48e0 1527"
426be5dc
DB
1528
1529CMDLINE_SET="
1530 $PATHS_LIST
121d78d0 1531 ar
426be5dc 1532 arch
313c46a6 1533 as
426be5dc
DB
1534 build_suffix
1535 cc
1536 cpu
1537 cross_prefix
50567afa 1538 dep_cc
ac63af34 1539 extra_version
9da6609f
MR
1540 host_cc
1541 host_cflags
095792f2 1542 host_ld
9da6609f
MR
1543 host_ldflags
1544 host_libs
82bb3329 1545 host_os
684b28e0 1546 ld
426be5dc 1547 logfile
4ae40685 1548 malloc_prefix
89641463 1549 nm
9cd7b854 1550 optflags
3f8040db 1551 pkg_config
390acbea 1552 pkg_config_flags
154caa67 1553 random_seed
2fad0977 1554 samples
c5200f17
MR
1555 sysinclude
1556 sysroot
a7ada2ba 1557 target_exec
26759c44 1558 target_os
a7ada2ba 1559 target_path
ba13606c 1560 target_samples
aeeb782c 1561 toolchain
426be5dc 1562"
520cc7f1 1563
89f2932b
MR
1564CMDLINE_APPEND="
1565 extra_cflags
4cc4b33f 1566 host_cppflags
89f2932b
MR
1567"
1568
912f3148
DB
1569# code dependency declarations
1570
9eeed841 1571# architecture extensions
808fa33c 1572
a2fc0f6a
MR
1573armv5te_deps="arm"
1574armv6_deps="arm"
ab5cb084 1575armv6t2_deps="arm"
b7b17ed6
JG
1576neon_deps_any="aarch64 arm"
1577vfp_deps_any="aarch64 arm"
b3267559 1578vfpv3_deps="vfp"
808fa33c 1579
637606de
MR
1580map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1581
808fa33c
MR
1582altivec_deps="ppc"
1583ppc4xx_deps="ppc"
1584
1585vis_deps="sparc"
1586
84146963
DB
1587cpunop_deps="i686"
1588x86_64_select="i686"
1589x86_64_suggest="fast_cmov"
50cd43f2 1590
808fa33c
MR
1591amd3dnow_deps="mmx"
1592amd3dnowext_deps="amd3dnow"
fb87e69f 1593i686_deps="x86"
9eeed841 1594mmx_deps="x86"
239fdf1b 1595mmxext_deps="mmx"
50cd43f2
DB
1596sse_deps="mmxext"
1597sse2_deps="sse"
1598sse3_deps="sse2"
1599ssse3_deps="sse3"
1600sse4_deps="ssse3"
1601sse42_deps="sse4"
1602avx_deps="sse42"
10b0161d 1603xop_deps="avx"
1b932eb1 1604fma3_deps="avx"
79687079 1605fma4_deps="avx"
4d6ee072 1606avx2_deps="avx"
9eeed841 1607
43b73d59
DB
1608mmx_external_deps="yasm"
1609mmx_inline_deps="inline_asm"
1610mmx_suggest="mmx_external mmx_inline"
1611
84bf8817 1612for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
43b73d59
DB
1613 eval dep=\$${ext}_deps
1614 eval ${ext}_external_deps='"${dep}_external"'
1615 eval ${ext}_inline_deps='"${dep}_inline"'
1616 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1617done
1618
032d4da8
JG
1619aligned_stack_if_any="aarch64 ppc x86"
1620fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1621fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1622fast_unaligned_if_any="aarch64 ppc x86"
669b5583 1623
3e0b1c9a 1624need_memalign="altivec neon sse"
89e053f8 1625
1a5fdf95
DB
1626# system capabilities
1627log2_deps="!libc_msvcrt"
1628
b462d132
MR
1629symver_if_any="symver_asm_label symver_gnu_asm"
1630
8558595a
DB
1631# threading support
1632atomics_gcc_if="sync_val_compare_and_swap"
1633atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1634atomics_win32_if="MemoryBarrier"
1635atomics_native_if_any="$ATOMICS_LIST"
874c751c 1636w32threads_deps="atomics_native"
8558595a
DB
1637threads_if_any="$THREADS_LIST"
1638
26fbcc85 1639# subsystems
dc609252 1640dct_select="rdft"
b93b27ed
RB
1641error_resilience_select="dsputil"
1642lpc_select="dsputil"
26fbcc85
MR
1643mdct_select="fft"
1644rdft_select="fft"
1e164c0b 1645mpegaudio_select="mpegaudiodsp"
c4f5c2d6 1646mpegaudiodsp_select="dct"
f4fed5a2 1647mpegvideo_select="dsputil hpeldsp videodsp"
ad08dfd5 1648mpegvideoenc_select="mpegvideo"
26fbcc85 1649
ed40b6bf 1650# decoders / encoders
cfc2a0cf 1651aac_decoder_select="mdct sinewin"
aa11cb79 1652aac_encoder_select="audio_frame_queue mdct sinewin"
136e19e1 1653aac_latm_decoder_select="aac_decoder aac_latm_parser"
b93b27ed
RB
1654ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
1655ac3_encoder_select="mdct ac3dsp dsputil"
1656ac3_fixed_encoder_select="mdct ac3dsp dsputil"
1232a164 1657aic_decoder_select="dsputil golomb"
f4d608e3 1658alac_encoder_select="lpc"
b93b27ed 1659als_decoder_select="dsputil"
b781cc12 1660amrnb_decoder_select="lsp"
2b2a597e 1661amrwb_decoder_select="lsp"
0a36988e 1662amv_decoder_select="sp5x_decoder"
b93b27ed
RB
1663ape_decoder_select="dsputil"
1664asv1_decoder_select="dsputil"
1665asv1_encoder_select="dsputil"
1666asv2_decoder_select="dsputil"
1667asv2_encoder_select="dsputil"
4538729a 1668atrac1_decoder_select="mdct sinewin"
26fbcc85 1669atrac3_decoder_select="mdct"
e6f0bb65 1670atrac3p_decoder_select="mdct sinewin"
0f0a11d5 1671bink_decoder_select="dsputil hpeldsp"
a33657ce
DB
1672binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1673binkaudio_rdft_decoder_select="mdct rdft sinewin"
b93b27ed
RB
1674cavs_decoder_select="dsputil golomb h264chroma videodsp"
1675cllc_decoder_select="dsputil"
9b500b8f 1676comfortnoise_encoder_select="lpc"
b93b27ed 1677cook_decoder_select="dsputil mdct sinewin"
2a91ada8 1678cscd_decoder_select="lzo"
2eef7c62 1679cscd_decoder_suggest="zlib"
26fbcc85 1680dca_decoder_select="mdct"
b93b27ed
RB
1681dnxhd_decoder_select="dsputil"
1682dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
1683dvvideo_decoder_select="dsputil"
1684dvvideo_encoder_select="dsputil"
61c31e4e 1685dxa_decoder_deps="zlib"
baf91bb9 1686eac3_decoder_select="ac3_decoder"
4264a0dd 1687eac3_encoder_select="ac3_encoder"
b93b27ed
RB
1688eamad_decoder_select="aandcttables dsputil mpegvideo"
1689eatgq_decoder_select="aandcttables dsputil"
cfe5908a 1690eatqi_decoder_select="aandcttables error_resilience mpegvideo"
b93b27ed
RB
1691ffv1_decoder_select="dsputil golomb rangecoder"
1692ffv1_encoder_select="dsputil rangecoder"
2f02bbcc
DB
1693ffvhuff_decoder_select="huffyuv_decoder"
1694ffvhuff_encoder_select="huffyuv_encoder"
cde7df25 1695fic_decoder_select="dsputil golomb"
4f034993 1696flac_decoder_select="golomb"
b93b27ed 1697flac_encoder_select="dsputil golomb lpc"
61c31e4e
DB
1698flashsv_decoder_deps="zlib"
1699flashsv_encoder_deps="zlib"
1700flashsv2_decoder_deps="zlib"
4414137e 1701flv_decoder_select="h263_decoder"
4d4b4bd1 1702flv_encoder_select="h263_encoder"
b93b27ed
RB
1703fourxm_decoder_select="dsputil"
1704fraps_decoder_select="dsputil huffman"
61c31e4e
DB
1705g2m_decoder_deps="zlib"
1706g2m_decoder_select="dsputil"
c292f6a2 1707h261_decoder_select="error_resilience mpegvideo"
ad08dfd5 1708h261_encoder_select="aandcttables mpegvideoenc"
0338c396
DB
1709h263_decoder_select="error_resilience h263_parser h263dsp mpegvideo"
1710h263_encoder_select="aandcttables h263dsp mpegvideoenc"
4414137e 1711h263i_decoder_select="h263_decoder"
fe629c2d 1712h263p_encoder_select="h263_encoder"
0b499c9b
RB
1713h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1714h264_decoder_suggest="error_resilience"
064698d3 1715hevc_decoder_select="dsputil golomb videodsp"
b93b27ed
RB
1716huffyuv_decoder_select="dsputil"
1717huffyuv_encoder_select="dsputil huffman"
34150be5 1718iac_decoder_select="imc_decoder"
b93b27ed 1719imc_decoder_select="dsputil fft mdct sinewin"
8f992dc8 1720indeo3_decoder_select="hpeldsp"
8071264f 1721interplay_video_decoder_select="hpeldsp"
8e0cf39f 1722jpegls_decoder_select="golomb mjpeg_decoder"
4f034993 1723jpegls_encoder_select="golomb"
b93b27ed
RB
1724jv_decoder_select="dsputil"
1725lagarith_decoder_select="dsputil"
ad08dfd5 1726ljpeg_encoder_select="aandcttables mpegvideoenc"
4f034993 1727loco_decoder_select="golomb"
b93b27ed 1728mdec_decoder_select="dsputil error_resilience mpegvideo"
3e589878 1729metasound_decoder_select="lsp mdct sinewin"
c1047003 1730mimic_decoder_select="dsputil hpeldsp"
28bc406c 1731mjpeg_decoder_select="dsputil hpeldsp"
b93b27ed 1732mjpeg_encoder_select="aandcttables dsputil mpegvideoenc"
7caf48e0 1733mjpegb_decoder_select="mjpeg_decoder"
b93b27ed
RB
1734mlp_decoder_select="dsputil mlp_parser"
1735motionpixels_decoder_select="dsputil"
1e164c0b
DB
1736mp1_decoder_select="mpegaudio"
1737mp1float_decoder_select="mpegaudio"
1738mp2_decoder_select="mpegaudio"
1739mp2float_decoder_select="mpegaudio"
1740mp3_decoder_select="mpegaudio"
1741mp3adu_decoder_select="mpegaudio"
1742mp3adufloat_decoder_select="mpegaudio"
1743mp3float_decoder_select="mpegaudio"
1744mp3on4_decoder_select="mpegaudio"
1745mp3on4float_decoder_select="mpegaudio"
b93b27ed
RB
1746mpc7_decoder_select="dsputil mpegaudiodsp"
1747mpc8_decoder_select="dsputil mpegaudiodsp"
3e0b1c9a 1748mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
d767e2f9 1749mpeg_xvmc_decoder_select="mpeg2video_decoder"
c292f6a2 1750mpeg1video_decoder_select="error_resilience mpegvideo"
06b54e84 1751mpeg1video_encoder_select="aandcttables mpegvideoenc"
c292f6a2 1752mpeg2video_decoder_select="error_resilience mpegvideo"
06b54e84 1753mpeg2video_encoder_select="aandcttables mpegvideoenc"
3e0b1c9a
DB
1754mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1755mpeg4_encoder_select="h263_encoder"
4414137e 1756msmpeg4v1_decoder_select="h263_decoder"
4414137e 1757msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1758msmpeg4v2_encoder_select="h263_encoder"
4414137e 1759msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1760msmpeg4v3_encoder_select="h263_encoder"
06b54e84 1761mss2_decoder_select="error_resilience vc1_decoder"
8e0cf39f 1762mxpeg_decoder_select="mjpeg_decoder"
4538729a 1763nellymoser_decoder_select="mdct sinewin"
aa11cb79 1764nellymoser_encoder_select="audio_frame_queue mdct sinewin"
b93b27ed 1765nuv_decoder_select="dsputil lzo"
61c31e4e
DB
1766png_decoder_deps="zlib"
1767png_decoder_select="dsputil"
1768png_encoder_deps="zlib"
1769png_encoder_select="dsputil"
b93b27ed
RB
1770prores_decoder_select="dsputil"
1771prores_encoder_select="dsputil"
b781cc12 1772qcelp_decoder_select="lsp"
c4f5c2d6 1773qdm2_decoder_select="mdct rdft mpegaudiodsp"
aa11cb79 1774ra_144_encoder_select="audio_frame_queue lpc"
9f43fdda 1775ralf_decoder_select="golomb"
0338c396 1776rv10_decoder_select="error_resilience h263_decoder h263dsp"
b2bf38b4 1777rv10_encoder_select="h263_encoder"
0338c396 1778rv20_decoder_select="error_resilience h263_decoder h263dsp"
b2bf38b4 1779rv20_encoder_select="h263_encoder"
870add0d
DB
1780rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1781rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
4f034993 1782shorten_decoder_select="golomb"
b781cc12 1783sipr_decoder_select="lsp"
8e0cf39f 1784sp5x_decoder_select="mjpeg_decoder"
6caa44aa 1785svq1_decoder_select="hpeldsp"
1277dc07 1786svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
d48430c3
DB
1787svq3_decoder_select="h264_decoder hpeldsp mpegvideo"
1788svq3_decoder_suggest="zlib"
b93b27ed 1789tak_decoder_select="dsputil"
4eef77c1 1790theora_decoder_select="vp3_decoder"
7caf48e0 1791thp_decoder_select="mjpeg_decoder"
2eef7c62
AJ
1792tiff_decoder_suggest="zlib"
1793tiff_encoder_suggest="zlib"
aec09a00 1794truehd_decoder_select="mlp_decoder"
b93b27ed
RB
1795truemotion2_decoder_select="dsputil"
1796truespeech_decoder_select="dsputil"
61c31e4e 1797tscc_decoder_deps="zlib"
4538729a 1798twinvq_decoder_select="mdct lsp sinewin"
b93b27ed
RB
1799utvideo_decoder_select="dsputil"
1800utvideo_encoder_select="dsputil huffman"
1801vble_decoder_select="dsputil"
dc4d726b 1802vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel intrax8"
45ecda85 1803vc1image_decoder_select="vc1_decoder"
26fbcc85
MR
1804vorbis_decoder_select="mdct"
1805vorbis_encoder_select="mdct"
3bd062bf 1806vp3_decoder_select="hpeldsp vp3dsp videodsp"
cb7ecb75
RB
1807vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
1808vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
e82dc4c9
DB
1809vp6a_decoder_select="vp6_decoder"
1810vp6f_decoder_select="vp6_decoder"
8c53d39e 1811vp8_decoder_select="h264pred videodsp"
72ca830f 1812vp9_decoder_select="videodsp"
c4bfa098 1813webp_decoder_select="vp8_decoder"
4538729a
MR
1814wmapro_decoder_select="mdct sinewin"
1815wmav1_decoder_select="mdct sinewin"
1816wmav1_encoder_select="mdct sinewin"
1817wmav2_decoder_select="mdct sinewin"
1818wmav2_encoder_select="mdct sinewin"
1819wmavoice_decoder_select="lsp rdft dct mdct sinewin"
f95bfab0 1820wmv1_decoder_select="h263_decoder"
665507aa 1821wmv1_encoder_select="h263_encoder"
dc4d726b 1822wmv2_decoder_select="h263_decoder intrax8 videodsp"
1746e2a9 1823wmv2_encoder_select="h263_encoder"
015f8ee0 1824wmv3_decoder_select="vc1_decoder"
45ecda85 1825wmv3image_decoder_select="wmv3_decoder"
61c31e4e
DB
1826zerocodec_decoder_deps="zlib"
1827zlib_decoder_deps="zlib"
1828zlib_encoder_deps="zlib"
1829zmbv_decoder_deps="zlib"
1830zmbv_encoder_deps="zlib"
30fd06be 1831
ed40b6bf 1832# hardware accelerators
215cdd35 1833dxva2_deps="dxva2api_h"
0afab17e 1834vaapi_deps="va_va_h"
ac3dbb4d 1835vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
9840130e 1836vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
c89c96e9
MR
1837vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1838
82ca17ac
DB
1839h263_vaapi_hwaccel_deps="vaapi"
1840h263_vaapi_hwaccel_select="h263_decoder"
1841h263_vdpau_hwaccel_deps="vdpau"
1842h263_vdpau_hwaccel_select="h263_decoder"
215cdd35
DB
1843h264_dxva2_hwaccel_deps="dxva2"
1844h264_dxva2_hwaccel_select="h264_decoder"
82ca17ac
DB
1845h264_vaapi_hwaccel_deps="vaapi"
1846h264_vaapi_hwaccel_select="h264_decoder"
1847h264_vda_hwaccel_deps="vda"
1848h264_vda_hwaccel_select="h264_decoder"
82ca17ac
DB
1849h264_vdpau_hwaccel_deps="vdpau"
1850h264_vdpau_hwaccel_select="h264_decoder"
82ca17ac
DB
1851mpeg1_vdpau_hwaccel_deps="vdpau"
1852mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
215cdd35
DB
1853mpeg2_dxva2_hwaccel_deps="dxva2"
1854mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
82ca17ac
DB
1855mpeg2_vaapi_hwaccel_deps="vaapi"
1856mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
1857mpeg2_vdpau_hwaccel_deps="vdpau"
1858mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
1859mpeg4_vaapi_hwaccel_deps="vaapi"
1860mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
82ca17ac
DB
1861mpeg4_vdpau_hwaccel_deps="vdpau"
1862mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
215cdd35
DB
1863vc1_dxva2_hwaccel_deps="dxva2"
1864vc1_dxva2_hwaccel_select="vc1_decoder"
82ca17ac
DB
1865vc1_vaapi_hwaccel_deps="vaapi"
1866vc1_vaapi_hwaccel_select="vc1_decoder"
82ca17ac
DB
1867vc1_vdpau_hwaccel_deps="vdpau"
1868vc1_vdpau_hwaccel_select="vc1_decoder"
ed40b6bf
DB
1869wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1870wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
77525327 1871wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
ed40b6bf 1872
28b80940 1873# parsers
0b499c9b 1874h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
192ccc50 1875mpeg4video_parser_select="error_resilience h263dsp mpegvideo"
c292f6a2 1876mpegvideo_parser_select="error_resilience mpegvideo"
06b54e84 1877vc1_parser_select="mpegvideo"
28b80940 1878
912f3148 1879# external libraries
c9171a83 1880libfaac_encoder_deps="libfaac"
aa11cb79 1881libfaac_encoder_select="audio_frame_queue"
4f2b469d 1882libfdk_aac_decoder_deps="libfdk_aac"
37eeb5e2 1883libfdk_aac_encoder_deps="libfdk_aac"
aa11cb79 1884libfdk_aac_encoder_select="audio_frame_queue"
299c77d5
MR
1885libgsm_decoder_deps="libgsm"
1886libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1887libgsm_ms_decoder_deps="libgsm"
1888libgsm_ms_encoder_deps="libgsm"
3641b048
MS
1889libilbc_decoder_deps="libilbc"
1890libilbc_encoder_deps="libilbc"
1cc60c47 1891libmp3lame_encoder_deps="libmp3lame"
aa11cb79 1892libmp3lame_encoder_select="audio_frame_queue"
0b175caa
DB
1893libopencore_amrnb_decoder_deps="libopencore_amrnb"
1894libopencore_amrnb_encoder_deps="libopencore_amrnb"
aa11cb79 1895libopencore_amrnb_encoder_select="audio_frame_queue"
0b175caa 1896libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1897libopenjpeg_decoder_deps="libopenjpeg"
453c02f9 1898libopenjpeg_encoder_deps="libopenjpeg"
44617d6e 1899libopus_decoder_deps="libopus"
6cb8c854 1900libopus_encoder_deps="libopus"
aa11cb79 1901libopus_encoder_select="audio_frame_queue"
f7cd9eed
AS
1902libschroedinger_decoder_deps="libschroedinger"
1903libschroedinger_encoder_deps="libschroedinger"
ae14f311 1904libspeex_decoder_deps="libspeex"
b606a017 1905libspeex_encoder_deps="libspeex"
aa11cb79 1906libspeex_encoder_select="audio_frame_queue"
150d2772 1907libtheora_encoder_deps="libtheora"
d89e738a 1908libvo_aacenc_encoder_deps="libvo_aacenc"
aa11cb79 1909libvo_aacenc_encoder_select="audio_frame_queue"
f502ff3f 1910libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
b0caf888 1911libvorbis_encoder_deps="libvorbis"
aa11cb79 1912libvorbis_encoder_select="audio_frame_queue"
3f111804
LB
1913libvpx_vp8_decoder_deps="libvpx"
1914libvpx_vp8_encoder_deps="libvpx"
1915libvpx_vp9_decoder_deps="libvpx"
1916libvpx_vp9_encoder_deps="libvpx"
84d3ff50 1917libwavpack_encoder_deps="libwavpack"
be7c3231 1918libwebp_encoder_deps="libwebp"
1cc60c47 1919libx264_encoder_deps="libx264"
50ea9315 1920libx265_encoder_deps="libx265"
de295976 1921libxavs_encoder_deps="libxavs"
1cc60c47 1922libxvid_encoder_deps="libxvid"
30fd06be 1923
912f3148 1924# demuxers / muxers
c2dd0e9e 1925ac3_demuxer_select="ac3_parser"
255d9c57 1926asf_demuxer_select="riffdec"
3dd5c95d 1927asf_muxer_select="riffenc"
647c2356 1928asf_stream_muxer_select="asf_muxer"
255d9c57 1929avi_demuxer_select="riffdec"
3dd5c95d 1930avi_muxer_select="riffenc"
4e622dea 1931avisynth_demuxer_deps="avisynth"
255d9c57
DB
1932avisynth_demuxer_select="riffdec"
1933caf_demuxer_select="riffdec"
c2dd0e9e 1934dirac_demuxer_select="dirac_parser"
255d9c57 1935dxa_demuxer_select="riffdec"
5b423887 1936eac3_demuxer_select="ac3_parser"
e01fba55 1937f4v_muxer_select="mov_muxer"
c2dd0e9e 1938flac_demuxer_select="flac_parser"
435214a7 1939hds_muxer_select="flv_muxer"
c9031c7c 1940hls_muxer_select="mpegts_muxer"
647c2356 1941ipod_muxer_select="mov_muxer"
31f16dc1 1942ismv_muxer_select="mov_muxer"
647c2356 1943matroska_audio_muxer_select="matroska_muxer"
255d9c57 1944matroska_demuxer_select="riffdec"
2a91ada8 1945matroska_demuxer_suggest="bzlib lzo zlib"
3dd5c95d
DB
1946matroska_muxer_select="riffenc"
1947mmf_muxer_select="riffenc"
255d9c57 1948mov_demuxer_select="riffdec"
4e622dea 1949mov_demuxer_suggest="zlib"
3dd5c95d 1950mov_muxer_select="riffenc rtpenc_chain"
c2dd0e9e 1951mp3_demuxer_select="mpegaudio_parser"
647c2356 1952mp4_muxer_select="mov_muxer"
75644335 1953mpegts_muxer_select="adts_muxer latm_muxer"
647c2356
DB
1954mpegtsraw_demuxer_select="mpegts_demuxer"
1955mxf_d10_muxer_select="mxf_muxer"
3dd5c95d 1956nut_muxer_select="riffenc"
255d9c57 1957nuv_demuxer_select="riffdec"
24ca518b 1958ogg_demuxer_select="golomb"
647c2356 1959psp_muxer_select="mov_muxer"
44594cc7 1960rtp_demuxer_select="sdp_demuxer"
44b70ce5
MS
1961rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1962rtsp_demuxer_select="http_protocol rtpdec"
5ad2f0bf 1963rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
01c8d258 1964sap_demuxer_select="sdp_demuxer"
5ad2f0bf 1965sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
44b70ce5 1966sdp_demuxer_select="rtpdec"
e772f9fa 1967smoothstreaming_muxer_select="ismv_muxer"
f1e94694 1968spdif_muxer_select="aac_parser"
57231e4d 1969tak_demuxer_select="tak_parser"
647c2356
DB
1970tg2_muxer_select="mov_muxer"
1971tgp_muxer_select="mov_muxer"
a7d45e06 1972w64_demuxer_select="wav_demuxer"
255d9c57 1973wav_demuxer_select="riffdec"
3dd5c95d
DB
1974wav_muxer_select="riffenc"
1975webm_muxer_select="riffenc"
255d9c57
DB
1976wtv_demuxer_select="riffdec"
1977xmv_demuxer_select="riffdec"
1978xwma_demuxer_select="riffdec"
4e622dea
SS
1979
1980# indevs / outdevs
38e54a75 1981alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
38e54a75 1982alsa_outdev_deps="alsa_asoundlib_h"
38e54a75 1983bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
6fb65973
DB
1984dv1394_indev_deps="dv1394"
1985dv1394_indev_select="dv_demuxer"
c6f95144 1986fbdev_indev_deps="linux_fb_h"
a3fc62e8 1987jack_indev_deps="jack_jack_h pthreads"
e417d80d 1988libcdio_indev_deps="libcdio"
38e54a75 1989libdc1394_indev_deps="libdc1394"
38e54a75
SS
1990oss_indev_deps_any="soundcard_h sys_soundcard_h"
1991oss_outdev_deps_any="soundcard_h sys_soundcard_h"
0de9c41f 1992pulse_indev_deps="libpulse"
15d59d2c
B
1993sndio_indev_deps="sndio_h"
1994sndio_outdev_deps="sndio_h"
38e54a75 1995v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
ec1ee802 1996vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
a1b3c5a3 1997vfwcap_indev_extralibs="-lavicap32"
24f8961f 1998x11grab_indev_deps="x11grab XShmCreateImage"
30fd06be 1999
912f3148 2000# protocols
acd554c1
SP
2001ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2002ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2003ffrtmpcrypt_protocol_select="tcp_protocol"
775c4d36
SP
2004ffrtmphttp_protocol_deps="!librtmp_protocol"
2005ffrtmphttp_protocol_select="http_protocol"
998c1ee1 2006gopher_protocol_select="network"
279a0c97 2007http_protocol_select="tcp_protocol"
7caf48e0 2008httpproxy_protocol_select="tcp_protocol"
183baead 2009https_protocol_select="tls_protocol"
c3b57d6e
DB
2010librtmp_protocol_deps="librtmp"
2011librtmpe_protocol_deps="librtmp"
2012librtmps_protocol_deps="librtmp"
2013librtmpt_protocol_deps="librtmp"
2014librtmpte_protocol_deps="librtmp"
c60a2d70 2015mmsh_protocol_select="http_protocol"
998c1ee1 2016mmst_protocol_select="network"
c3b57d6e 2017rtmp_protocol_deps="!librtmp_protocol"
deeb7012 2018rtmp_protocol_select="tcp_protocol"
acd554c1 2019rtmpe_protocol_select="ffrtmpcrypt_protocol"
6aedabc9
SP
2020rtmps_protocol_deps="!librtmp_protocol"
2021rtmps_protocol_select="tls_protocol"
775c4d36 2022rtmpt_protocol_select="ffrtmphttp_protocol"
08cd95e8 2023rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
6c1ed454 2024rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
deeb7012 2025rtp_protocol_select="udp_protocol"
998c1ee1
DB
2026sctp_protocol_deps="struct_sctp_event_subscribe"
2027sctp_protocol_select="network"
0eecafc9 2028srtp_protocol_select="rtp_protocol"
998c1ee1 2029tcp_protocol_select="network"
558d192d
MS
2030tls_protocol_deps_any="openssl gnutls"
2031tls_protocol_select="tcp_protocol"
998c1ee1 2032udp_protocol_select="network"
60538758
LB
2033unix_protocol_deps="sys_un_h"
2034unix_protocol_select="network"
c08fb000 2035
6ebf0bfc 2036# filters
13fabd7a 2037blackframe_filter_deps="gpl"
ce6b6ef6 2038boxblur_filter_deps="gpl"
68b79bfc 2039cropdetect_filter_deps="gpl"
b157be1f 2040delogo_filter_deps="gpl"
a5b64584 2041drawtext_filter_deps="libfreetype"
61b323ce 2042frei0r_filter_deps="frei0r dlopen"
cfec77aa 2043frei0r_filter_extralibs='$ldl'
61b323ce 2044frei0r_src_filter_deps="frei0r dlopen"
cfec77aa 2045frei0r_src_filter_extralibs='$ldl'
a4dc7aa5 2046hqdn3d_filter_deps="gpl"
3fce1367 2047interlace_filter_deps="gpl"
cf69ad35 2048ocv_filter_deps="libopencv"
7caf48e0 2049resample_filter_deps="avresample"
2f296e39 2050scale_filter_deps="swscale"
6ebf0bfc 2051
ab81f24a 2052# examples
b339182e 2053avcodec_example_deps="avcodec avutil"
e7dfaf16 2054filter_audio_example_deps="avfilter avutil"
b339182e 2055metadata_example_deps="avformat avutil"
ab81f24a 2056output_example_deps="avcodec avformat avutil swscale"
10421bcf 2057transcode_aac_example_deps="avcodec avformat avresample"
ab81f24a 2058
5a0f7131 2059# libraries
d89f2fa9
DB
2060avcodec_deps="avutil"
2061avdevice_deps="avutil avcodec avformat"
2062avfilter_deps="avutil"
2063avformat_deps="avutil avcodec"
2064avresample_deps="avutil"
2065swscale_deps="avutil"
f7679c54 2066
912f3148 2067# programs
54fd593a 2068avconv_deps="avcodec avfilter avformat avresample swscale"
bce70f81 2069avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
0a0e340f 2070 fps_filter null_filter resample_filter scale_filter
bce70f81 2071 setpts_filter trim_filter"
d173ede1 2072avplay_deps="avcodec avformat avresample swscale sdl"
d2617193 2073avplay_libs='$sdl_libs'
266463da 2074avplay_select="rdft"
9e12f0bf 2075avprobe_deps="avcodec avformat"
406e6c0b
DB
2076avserver_deps="avformat fork !shared"
2077avserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
a2830dca 2078
4da3f410 2079# documentation
92f0abb2 2080pod2man_deps="doc"
4da3f410
DB
2081texi2html_deps="doc"
2082
de6d9b64 2083# default parameters
8a608357 2084
19bd477d 2085logfile="config.log"
8a608357
MR
2086
2087# installation paths
c9d19248
MR
2088prefix_default="/usr/local"
2089bindir_default='${prefix}/bin'
6291d7e4 2090datadir_default='${prefix}/share/avconv'
f4ca970d 2091docdir_default='${prefix}/share/doc/libav'
c9d19248
MR
2092incdir_default='${prefix}/include'
2093libdir_default='${prefix}/lib'
2094mandir_default='${prefix}/share/man'
2095shlibdir_default="$libdir_default"
8a608357
MR
2096
2097# toolchain
121d78d0 2098ar_default="ar"
13c7df3d 2099cc_default="gcc"
9da6609f 2100host_cc_default="gcc"
4ebc6a74 2101cp_f="cp -f"
b58b00ae 2102ln_s="ln -s -f"
2a8a860a 2103nm_default="nm -g"
11e6d03a 2104objformat="elf"
3f8040db 2105pkg_config_default=pkg-config
be7109c1 2106ranlib="ranlib"
e52567c2 2107strip="strip"
11e6d03a 2108yasmexe="yasm"
8a608357 2109
3e0b1c9a 2110nogas=":"
8182dc34 2111
8a608357 2112# machine
8d4c00ed 2113arch_default=$(uname -m)
38d0a8aa 2114cpu="generic"
8a608357 2115
8a608357 2116# OS
8d4c00ed
MR
2117target_os_default=$(tolower $(uname -s))
2118host_os=$target_os_default
8a608357 2119
8a608357 2120# configurable options
ab81f24a 2121enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
3e0b1c9a 2122
3e0b1c9a
DB
2123enable asm
2124enable debug
2125enable doc
8400d6b8 2126enable optimizations
8cfbbd92 2127enable safe_bitstream_reader
530dc538 2128enable static
a9ddb5b1 2129enable swscale_alpha
8a608357 2130
2e2ec667
DB
2131# By default, enable only those hwaccels that have no external dependencies.
2132enable dxva2 vdpau
2133
8a608357 2134# build settings
9987769a 2135SHFLAGS='-shared -Wl,-soname,$$(@F)'
f3ec2d46
SG
2136LIBPREF="lib"
2137LIBSUF=".a"
c5f14466
RP
2138FULLNAME='$(NAME)$(BUILDSUF)'
2139LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
2140SLIBPREF="lib"
2141SLIBSUF=".so"
c5f14466 2142SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
2143SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2144SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 2145LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2f138f0b
MR
2146SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2147SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
ef0bc4c9 2148
68485d1f
MR
2149asflags_filter=echo
2150cflags_filter=echo
64933b6c
MR
2151ldflags_filter=echo
2152
23565c26 2153AS_C='-c'
bc877faf 2154AS_O='-o $@'
23565c26 2155CC_C='-c'
18031c49 2156CC_E='-E -o $@'
7e6c86e6 2157CC_O='-o $@'
a758c5e2 2158LD_O='-o $@'
8db73c61
MR
2159LD_LIB='-l%'
2160LD_PATH='-L'
23565c26 2161HOSTCC_C='-c'
27565164 2162HOSTCC_E='-E -o $@'
a758c5e2 2163HOSTCC_O='-o $@'
095792f2 2164HOSTLD_O='-o $@'
7e6c86e6 2165
9da6609f 2166host_libs='-lm'
6c3fa06a
MR
2167host_cflags_filter=echo
2168host_ldflags_filter=echo
9da6609f 2169
9b861379 2170target_path='$(CURDIR)'
a7ada2ba 2171
a158446b
MR
2172# since the object filename is not given with the -MM flag, the compiler
2173# is only able to print the basename, and we must add the path ourselves
a758c5e2
MR
2174DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2175DEPFLAGS='-MM'
315c741d 2176
c597172e 2177# find source path
24524f36 2178if test -f configure; then
f038cf3c 2179 source_path=.
c597172e 2180else
8477f2de 2181 source_path=$(cd $(dirname "$0"); pwd)
c597172e 2182 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 2183 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
2184 test -e "$source_path/config.h" &&
2185 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
2186fi
2187
13cbe2c0 2188for v in "$@"; do
b04251c5
MR
2189 r=${v#*=}
2190 l=${v%"$r"}
2191 r=$(sh_quote "$r")
29ba0911 2192 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
13cbe2c0 2193done
c597172e 2194
73ef8980
MR
2195find_things(){
2196 thing=$1
2197 pattern=$2
2198 file=$source_path/$3
932ccf39 2199 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
2200}
2201
2202ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2203DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 2204HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
2205PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2206BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2207MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2208DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
2209OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2210INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 2211PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 2212FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 2213
54e75be4
DB
2214ALL_COMPONENTS="
2215 $BSF_LIST
2216 $DECODER_LIST
2217 $DEMUXER_LIST
2218 $ENCODER_LIST
2219 $FILTER_LIST
2220 $HWACCEL_LIST
2221 $INDEV_LIST
2222 $MUXER_LIST
2223 $OUTDEV_LIST
2224 $PARSER_LIST
2225 $PROTOCOL_LIST
2226"
2227
8469ae22
MR
2228for n in $COMPONENT_LIST; do
2229 v=$(toupper ${n%s})_LIST
2230 eval enable \$$v
2231 eval ${n}_if_any="\$$v"
2232done
2233
206a070d 2234enable $ARCH_EXT_LIST
c597172e
MR
2235
2236die_unknown(){
2237 echo "Unknown option \"$1\"."
2238 echo "See $0 --help for available options."
2239 exit 1
2240}
2241
7432e872
DB
2242print_3_columns() {
2243 cat | tr ' ' '\n' | sort | pr -r -3 -t
2244}
2245
794f8e97 2246show_list() {
bf0c4afa
RP
2247 suffix=_$1
2248 shift
7432e872 2249 echo $* | sed s/$suffix//g | print_3_columns
794f8e97
PI
2250 exit 0
2251}
2252
154caa67
MR
2253rand_list(){
2254 IFS=', '
2255 set -- $*
2256 unset IFS
2257 for thing; do
2258 comp=${thing%:*}
2259 prob=${thing#$comp}
2260 prob=${prob#:}
2261 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2262 echo "prob ${prob:-0.5}"
2263 printf '%s\n' $comp
2264 done
2265}
2266
2267do_random(){
2268 action=$1
2269 shift
2270 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2271 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2272}
2273
c597172e 2274for opt do
7483e694
DB
2275 optval="${opt#*=}"
2276 case "$opt" in
ea061af1
DB
2277 --extra-ldflags=*)
2278 add_ldflags $optval
7e9e7cc2 2279 ;;
ea061af1
DB
2280 --extra-libs=*)
2281 add_extralibs $optval
7e9e7cc2 2282 ;;
ea061af1
DB
2283 --disable-devices)
2284 disable $INDEV_LIST $OUTDEV_LIST
7e9e7cc2 2285 ;;
ea061af1
DB
2286 --enable-debug=*)
2287 debuglevel="$optval"
7e9e7cc2
MR
2288 ;;
2289 --disable-programs)
2290 disable $PROGRAM_LIST
2291 ;;
2292 --disable-everything)
2293 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2294 ;;
844c6852
DB
2295 --disable-all)
2296 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2297 disable $LIBRARY_LIST $PROGRAM_LIST doc
2298 ;;
7e9e7cc2
MR
2299 --enable-random|--disable-random)
2300 action=${opt%%-random}
2301 do_random ${action#--} $COMPONENT_LIST
2302 ;;
2303 --enable-random=*|--disable-random=*)
2304 action=${opt%%-random=*}
2305 do_random ${action#--} $optval
2306 ;;
2307 --enable-*=*|--disable-*=*)
2308 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2309 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2310 eval list=\$$(toupper $thing)_LIST
2311 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2312 $action $(filter "$name" $list)
2313 ;;
2314 --enable-?*|--disable-?*)
2315 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2316 if is_in $option $COMPONENT_LIST; then
2317 test $action = disable && action=unset
2318 eval $action \$$(toupper ${option%s})_LIST
2319 elif is_in $option $CMDLINE_SELECT; then
2320 $action $option
2321 else
2322 die_unknown $opt
2323 fi
2324 ;;
2325 --list-*)
2326 NAME="${opt#--list-}"
2327 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2328 NAME=${NAME%s}
2329 eval show_list $NAME \$$(toupper $NAME)_LIST
2330 ;;
2331 --help|-h) show_help
2332 ;;
2333 *)
2334 optname="${opt%%=*}"
2335 optname="${optname#--}"
2336 optname=$(echo "$optname" | sed 's/-/_/g')
2337 if is_in $optname $CMDLINE_SET; then
2338 eval $optname='$optval'
2339 elif is_in $optname $CMDLINE_APPEND; then
2340 append $optname "$optval"
2341 else
2342 die_unknown $opt
2343 fi
2344 ;;
7483e694 2345 esac
c597172e
MR
2346done
2347
bcea99bb
MR
2348disabled logging && logfile=/dev/null
2349
29ba0911 2350echo "# $0 $LIBAV_CONFIGURATION" > $logfile
bcea99bb
MR
2351set >> $logfile
2352
9da6609f
MR
2353test -n "$cross_prefix" && enable cross_compile
2354
8d4c00ed
MR
2355if enabled cross_compile; then
2356 test -n "$arch" && test -n "$target_os" ||
2357 die "Must specify target arch and OS when cross-compiling"
2358fi
2359
121d78d0 2360ar_default="${cross_prefix}${ar_default}"
11e6d03a 2361cc_default="${cross_prefix}${cc_default}"
20e0ed95 2362nm_default="${cross_prefix}${nm_default}"
3f8040db 2363pkg_config_default="${cross_prefix}${pkg_config_default}"
adb2b908 2364ranlib="${cross_prefix}${ranlib}"
e52567c2 2365strip="${cross_prefix}${strip}"
adb2b908 2366
c5200f17
MR
2367sysinclude_default="${sysroot}/usr/include"
2368
aeeb782c 2369case "$toolchain" in
0fbb62a8
LB
2370 clang-asan)
2371 cc_default="clang"
19f251a2
LB
2372 add_cflags -fsanitize=address
2373 add_ldflags -fsanitize=address
0fbb62a8
LB
2374 ;;
2375 clang-tsan)
2376 cc_default="clang"
19f251a2
LB
2377 add_cflags -fsanitize=thread -pie
2378 add_ldflags -fsanitize=thread -pie
0fbb62a8 2379 ;;
d6a27f88
LB
2380 clang-usan)
2381 cc_default="clang"
2382 add_cflags -fsanitize=undefined
2383 add_ldflags -fsanitize=undefined
2384 ;;
0ba49d28
LB
2385 gcc-asan)
2386 cc_default="gcc"
2387 add_cflags -fsanitize=address
2388 add_ldflags -fsanitize=address
2389 ;;
2390 gcc-tsan)
2391 cc_default="gcc"
2392 add_cflags -fsanitize=thread -pie -fPIC
2393 add_ldflags -fsanitize=thread -pie -fPIC
2394 ;;
d6a27f88
LB
2395 gcc-usan)
2396 cc_default="gcc"
2397 add_cflags -fsanitize=undefined
2398 add_ldflags -fsanitize=undefined
2399 ;;
edfe609f
LB
2400 valgrind-massif)
2401 target_exec_default="valgrind"
2402 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2403 ;;
b1ee8eec
RT
2404 valgrind-memcheck)
2405 target_exec_default="valgrind"
2406 target_exec_args="--track-origins=yes --leak-check=full"
2407 ;;
aeeb782c 2408 msvc)
16381923
MS
2409 # Check whether the current MSVC version needs the C99 converter.
2410 # From MSVC 2013 (compiler major version 18) onwards, it does actually
ea9f7173 2411 # support enough of C99 to build libav. Default to the new
16381923
MS
2412 # behaviour if the regexp was unable to match anything, since this
2413 # successfully parses the version number of existing supported
2414 # versions that require the converter (MSVC 2010 and 2012).
2415 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2416 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
ea9f7173 2417 cc_default="cl"
16381923
MS
2418 else
2419 cc_default="c99wrap cl"
2420 fi
ea9f7173 2421 ld_default="link"
aeeb782c 2422 nm_default="dumpbin -symbols"
ac3a9b51 2423 ar_default="lib"
53e8cd68 2424 target_os_default="win32"
ea9f7173
MS
2425 # Use a relative path for TMPDIR. This makes sure all the
2426 # ffconf temp files are written with a relative path, avoiding
2427 # issues with msys/win32 path conversion for MSVC parameters
2428 # such as -Fo<file> or -out:<file>.
2429 TMPDIR=.
aeeb782c 2430 ;;
322e4194 2431 icl)
ea9f7173
MS
2432 cc_default="icl"
2433 ld_default="xilink"
322e4194
AS
2434 nm_default="dumpbin -symbols"
2435 ar_default="xilib"
2436 target_os_default="win32"
ea9f7173 2437 TMPDIR=.
322e4194 2438 ;;
a862c7d3
RT
2439 gcov)
2440 add_cflags -fprofile-arcs -ftest-coverage
2441 add_ldflags -fprofile-arcs -ftest-coverage
2442 ;;
e7891305 2443 hardened)
7caf48e0 2444 add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all
e7891305
LB
2445 add_ldflags -Wl,-z,relro -Wl,-z,now
2446 ;;
aeeb782c
MR
2447 ?*)
2448 die "Unknown toolchain $toolchain"
2449 ;;
2450esac
2451
b1ee8eec 2452set_default arch cc pkg_config sysinclude target_exec target_os
9da6609f
MR
2453enabled cross_compile || host_cc_default=$cc
2454set_default host_cc
13c7df3d 2455
762f95e4
MR
2456if ! $pkg_config --version >/dev/null 2>&1; then
2457 warn "$pkg_config not found, library detection may fail."
2458 pkg_config=false
2459fi
2460
82bb3329
MR
2461exesuf() {
2462 case $1 in
53e8cd68 2463 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
82bb3329
MR
2464 esac
2465}
2466
2467EXESUF=$(exesuf $target_os)
2468HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 2469
e4e69e0b 2470# set temporary file name
a49d42c2 2471: ${TMPDIR:=$TEMPDIR}
c51fafa1 2472: ${TMPDIR:=$TMP}
a49d42c2 2473: ${TMPDIR:=/tmp}
e4e69e0b 2474
a210bce2 2475if ! check_cmd mktemp -u XXXXXX; then
54460a83
MR
2476 # simple replacement for missing mktemp
2477 # NOT SAFE FOR GENERAL USE
2478 mktemp(){
09a5c245 2479 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
54460a83
MR
2480 }
2481fi
2482
2483tmpfile(){
2484 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2485 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 2486 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
2487 append TMPFILES $tmp
2488 eval $1=$tmp
2489}
2490
2491trap 'rm -f -- $TMPFILES' EXIT
54460a83 2492
55127e7b 2493tmpfile TMPASM .asm
3e0b1c9a
DB
2494tmpfile TMPC .c
2495tmpfile TMPE $EXESUF
2496tmpfile TMPH .h
2497tmpfile TMPO .o
2498tmpfile TMPS .S
2499tmpfile TMPSH .sh
2500tmpfile TMPV .ver
54460a83
MR
2501
2502unset -f mktemp
e4e69e0b 2503
fb3c4ffc
MR
2504chmod +x $TMPE
2505
993f2d0f
MR
2506# make sure we can execute files in $TMPDIR
2507cat > $TMPSH 2>> $logfile <<EOF
2508#! /bin/sh
2509EOF
2510chmod +x $TMPSH >> $logfile 2>&1
2511if ! $TMPSH >> $logfile 2>&1; then
2512 cat <<EOF
2513Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2514variable to another directory and make sure that it is not mounted noexec.
2515EOF
2516 die "Sanity test failed."
2517fi
993f2d0f 2518
457cc333
MR
2519ccc_flags(){
2520 for flag; do
2521 case $flag in
2522 -std=c99) echo -c99 ;;
2523 -mcpu=*) echo -arch ${flag#*=} ;;
2524 -mieee) echo -ieee ;;
2525 -O*|-fast) echo $flag ;;
2526 -fno-math-errno) echo -assume nomath_errno ;;
2527 -g) echo -g3 ;;
2528 -Wall) echo -msg_enable level2 ;;
2529 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2530 -Wl,*) echo $flag ;;
2531 -f*|-W*) ;;
2532 *) echo $flag ;;
2533 esac
2534 done
2535}
2536
e5d45e02
LB
2537cparser_flags(){
2538 for flag; do
2539 case $flag in
2540 -Wno-switch) echo -Wno-switch-enum ;;
2541 -Wno-format-zero-length) ;;
2542 -Wdisabled-optimization) ;;
2543 -Wno-pointer-sign) echo -Wno-other ;;
2544 *) echo $flag ;;
2545 esac
2546 done
2547}
2548
14fb9d3d 2549msvc_common_flags(){
dfa559bc
RB
2550 for flag; do
2551 case $flag in
14fb9d3d
AS
2552 # In addition to specifying certain flags under the compiler
2553 # specific filters, they must be specified here as well or else the
2554 # generic catch all at the bottom will print the original flag.
2555 -Wall) ;;
2556 -std=c99) ;;
2557 # Common flags
9f4a16c5 2558 -fomit-frame-pointer) ;;
dfa559bc 2559 -g) echo -Z7 ;;
dfa559bc
RB
2560 -fno-math-errno) ;;
2561 -fno-common) ;;
2562 -fno-signed-zeros) ;;
50640977 2563 -fPIC) ;;
9f30fb5a
MS
2564 -mthumb) ;;
2565 -march=*) ;;
dfa559bc 2566 -lz) echo zlib.lib ;;
bd680c7b
DB
2567 -lavifil32) echo vfw32.lib ;;
2568 -lavicap32) echo vfw32.lib user32.lib ;;
dfa559bc
RB
2569 -l*) echo ${flag#-l}.lib ;;
2570 *) echo $flag ;;
2571 esac
2572 done
2573}
2574
14fb9d3d
AS
2575msvc_flags(){
2576 msvc_common_flags "$@"
2577 for flag; do
2578 case $flag in
ace87c19 2579 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
14fb9d3d
AS
2580 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2581 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
09f2581d 2582 -wd4273 ;;
14fb9d3d
AS
2583 esac
2584 done
2585}
2586
2587icl_flags(){
2588 msvc_common_flags "$@"
2589 for flag; do
2590 case $flag in
2591 # Despite what Intel's documentation says -Wall, which is supported
2592 # on Windows, does enable remarks so disable them here.
2593 -Wall) echo $flag -Qdiag-disable:remark ;;
2594 -std=c99) echo -Qstd=c99 ;;
2595 esac
2596 done
2597}
2598
d0c6d424
MR
2599pgi_flags(){
2600 for flag; do
2601 case $flag in
643933f5 2602 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
d0c6d424
MR
2603 -fomit-frame-pointer) echo -Mnoframe ;;
2604 -g) echo -gopt ;;
2605 *) echo $flag ;;
2606 esac
2607 done
2608}
2609
2610suncc_flags(){
2611 for flag; do
2612 case $flag in
2613 -march=*|-mcpu=*)
2614 case "${flag#*=}" in
2615 native) echo -xtarget=native ;;
2616 v9|niagara) echo -xarch=sparc ;;
2617 ultrasparc) echo -xarch=sparcvis ;;
2618 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2619 i586|pentium) echo -xchip=pentium ;;
2620 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2621 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2622 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2623 pentium4*) echo -xtarget=pentium4 ;;
2624 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2625 *-sse3) echo -xarch=sse3 ;;
2626 core2) echo -xarch=ssse3 -xchip=core2 ;;
f2ce813e
SM
2627 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2628 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
b36f87ff 2629 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
ace87c19 2630 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
d0c6d424 2631 k8|opteron|athlon64|athlon-fx)
ace87c19
DB
2632 echo -xarch=sse2a ;;
2633 athlon*) echo -xarch=pentium_proa ;;
d0c6d424
MR
2634 esac
2635 ;;
2636 -std=c99) echo -xc99 ;;
2637 -fomit-frame-pointer) echo -xregs=frameptr ;;
2638 -fPIC) echo -KPIC -xcode=pic32 ;;
2639 -W*,*) echo $flag ;;
5e753ed5
SM
2640 -f*-*|-W*|-mimpure-text) ;;
2641 -shared) echo -G ;;
d0c6d424
MR
2642 *) echo $flag ;;
2643 esac
2644 done
2645}
2646
2647tms470_flags(){
2648 for flag; do
2649 case $flag in
2650 -march=*|-mcpu=*)
2651 case "${flag#*=}" in
2652 armv7-a|cortex-a*) echo -mv=7a8 ;;
2653 armv7-r|cortex-r*) echo -mv=7r4 ;;
2654 armv7-m|cortex-m*) echo -mv=7m3 ;;
2655 armv6*|arm11*) echo -mv=6 ;;
2656 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2657 echo -mv=5e ;;
2658 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2659 esac
2660 ;;
2661 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2662 -mfpu=vfp) echo --float_support=vfpv2 ;;
2663 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
b5198a26 2664 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
d0c6d424
MR
2665 -msoft-float) echo --float_support=vfplib ;;
2666 -O[0-3]|-mf=*) echo $flag ;;
2667 -g) echo -g -mn ;;
2668 -pds=*) echo $flag ;;
ad93dccb
MR
2669 -D*|-I*) echo $flag ;;
2670 --gcc|--abi=*) echo $flag ;;
2671 -me) echo $flag ;;
d0c6d424
MR
2672 esac
2673 done
2674}
2675
a758c5e2
MR
2676probe_cc(){
2677 pfx=$1
2678 _cc=$2
2679
8db73c61
MR
2680 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2681 unset _ld_o _ldflags _ld_lib _ld_path
18031c49 2682 unset _depflags _DEPCMD _DEPFLAGS
a758c5e2
MR
2683 _flags_filter=echo
2684
2685 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2686 _type=llvm_gcc
2687 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2688 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2689 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2690 _cflags_speed='-O3'
2691 _cflags_size='-Os'
2692 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2693 _type=gcc
2694 gcc_version=$($_cc --version | head -n1)
2695 gcc_basever=$($_cc -dumpversion)
2696 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2697 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2698 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2699 if ! $_cc -dumpversion | grep -q '^2\.'; then
2700 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2701 fi
2702 _cflags_speed='-O3'
2703 _cflags_size='-Os'
b2d688ea 2704 elif $_cc --version 2>/dev/null | grep -q ^icc; then
a758c5e2
MR
2705 _type=icc
2706 _ident=$($_cc --version | head -n1)
2707 _depflags='-MMD'
2708 _cflags_speed='-O3'
2709 _cflags_size='-Os'
2710 _cflags_noopt='-O1'
2711 elif $_cc -v 2>&1 | grep -q xlc; then
2712 _type=xlc
2713 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2714 _cflags_speed='-O5'
2715 _cflags_size='-O5 -qcompact'
2716 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2717 _type=ccc
2718 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2719 _DEPFLAGS='-M'
a758c5e2
MR
2720 _cflags_speed='-fast'
2721 _cflags_size='-O1'
457cc333 2722 _flags_filter=ccc_flags
a758c5e2
MR
2723 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2724 test -d "$sysroot" || die "No valid sysroot specified."
2725 _type=armcc
2726 _ident=$($_cc --vsn | head -n1)
2727 armcc_conf="$PWD/armcc.conf"
2728 $_cc --arm_linux_configure \
2729 --arm_linux_config_file="$armcc_conf" \
2730 --configure_sysroot="$sysroot" \
2731 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2732 die "Error creating armcc configuration file."
2733 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2734 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2735 as_default="${cross_prefix}gcc"
2736 _depflags='-MMD'
2737 _cflags_speed='-O3'
2738 _cflags_size='-Os'
0122118e 2739 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
a758c5e2
MR
2740 _type=tms470
2741 _ident=$($_cc -version | head -n1 | tr -s ' ')
2742 _flags='--gcc --abi=eabi -me'
18031c49 2743 _cc_e='-ppl -fe=$@'
a758c5e2 2744 _cc_o='-fe=$@'
a758c5e2
MR
2745 _depflags='-ppa -ppd=$(@:.o=.d)'
2746 _cflags_speed='-O3 -mf=5'
2747 _cflags_size='-O3 -mf=2'
2748 _flags_filter=tms470_flags
2749 elif $_cc -v 2>&1 | grep -q clang; then
2750 _type=clang
2751 _ident=$($_cc --version | head -n1)
9e057f53 2752 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
a758c5e2
MR
2753 _cflags_speed='-O3'
2754 _cflags_size='-Os'
2755 elif $_cc -V 2>&1 | grep -q Sun; then
2756 _type=suncc
2757 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2758 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
c72f12cb 2759 _DEPFLAGS='-xM1 -xc99'
a758c5e2
MR
2760 _ldflags='-std=c99'
2761 _cflags_speed='-O5'
2762 _cflags_size='-O5 -xspace'
2763 _flags_filter=suncc_flags
2764 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2765 _type=pathscale
2766 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2767 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2768 _cflags_speed='-O2'
2769 _cflags_size='-Os'
2770 _flags_filter='filter_out -Wdisabled-optimization'
2771 elif $_cc -v 2>&1 | grep -q Open64; then
2772 _type=open64
2773 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2774 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2775 _cflags_speed='-O2'
2776 _cflags_size='-Os'
2777 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2778 elif $_cc -V 2>&1 | grep -q Portland; then
2779 _type=pgi
2780 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
8f23907f 2781 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
a758c5e2
MR
2782 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2783 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2784 _cflags_noopt="-O1"
2785 _flags_filter=pgi_flags
dfa559bc
RB
2786 elif $_cc 2>&1 | grep -q Microsoft; then
2787 _type=msvc
2788 _ident=$($cc 2>&1 | head -n1)
2789 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2790 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2791 _cflags_speed="-O2"
2792 _cflags_size="-O1"
dfa559bc 2793 if $_cc 2>&1 | grep -q Linker; then
ea9f7173 2794 _ld_o='-out:$@'
dfa559bc
RB
2795 else
2796 _ld_o='-Fe$@'
2797 fi
ea9f7173
MS
2798 _cc_o='-Fo$@'
2799 _cc_e='-P -Fi$@'
dfa559bc
RB
2800 _flags_filter=msvc_flags
2801 _ld_lib='lib%.a'
2802 _ld_path='-libpath:'
2803 _flags='-nologo'
09f2581d 2804 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
dfa559bc 2805 if [ $pfx = hostcc ]; then
6a0200f2 2806 append _cflags -Dsnprintf=_snprintf
dfa559bc 2807 fi
322e4194
AS
2808 elif $_cc 2>&1 | grep -q Intel; then
2809 _type=icl
2810 _ident=$($cc 2>&1 | head -n1)
2811 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
ace87c19
DB
2812 # Not only is O3 broken on 13.x+ but it is slower on all previous
2813 # versions (tested) as well.
322e4194
AS
2814 _cflags_speed="-O2"
2815 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
322e4194 2816 if $_cc 2>&1 | grep -q Linker; then
ea9f7173 2817 _ld_o='-out:$@'
322e4194
AS
2818 else
2819 _ld_o='-Fe$@'
2820 fi
ea9f7173 2821 _cc_o='-Fo$@'
322e4194 2822 _cc_e='-P'
14fb9d3d 2823 _flags_filter=icl_flags
322e4194
AS
2824 _ld_lib='lib%.a'
2825 _ld_path='-libpath:'
ace87c19 2826 # -Qdiag-error to make icl error when seeing certain unknown arguments
60f09c04 2827 _flags='-nologo -Qdiag-error:4044,10157'
ace87c19
DB
2828 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
2829 # with MSVC which enables it by default.
e0d6e2fc 2830 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
322e4194
AS
2831 if [ $pfx = hostcc ]; then
2832 append _cflags -Dsnprintf=_snprintf
2833 fi
e5d45e02
LB
2834 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
2835 _type=cparser
2836 _ident=$($_cc --version | head -n1)
2837 _depflags='-MMD'
2838 _cflags_speed='-O4'
2839 _cflags_size='-O2'
2840 _flags_filter=cparser_flags
aef6bd1b 2841 fi
a758c5e2
MR
2842
2843 eval ${pfx}_type=\$_type
2844 eval ${pfx}_ident=\$_ident
2845}
2846
2847set_ccvars(){
23565c26 2848 eval ${1}_C=\${_cc_c-\${${1}_C}}
18031c49 2849 eval ${1}_E=\${_cc_e-\${${1}_E}}
a758c5e2
MR
2850 eval ${1}_O=\${_cc_o-\${${1}_O}}
2851
2852 if [ -n "$_depflags" ]; then
2853 eval ${1}_DEPFLAGS=\$_depflags
2854 else
2855 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2856 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2857 eval DEP${1}FLAGS=\$_flags
2858 fi
2859}
2860
2861probe_cc cc "$cc"
2862cflags_filter=$_flags_filter
2863cflags_speed=$_cflags_speed
2864cflags_size=$_cflags_size
2865cflags_noopt=$_cflags_noopt
2866add_cflags $_flags $_cflags
2867cc_ldflags=$_ldflags
2868set_ccvars CC
2869
2870probe_cc hostcc "$host_cc"
2871host_cflags_filter=$_flags_filter
a758c5e2 2872add_host_cflags $_flags $_cflags
a758c5e2 2873set_ccvars HOSTCC
629687f6 2874
851ffa80
MR
2875test -n "$cc_type" && enable $cc_type ||
2876 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 2877
75bafbac 2878: ${as_default:=$cc}
50567afa 2879: ${dep_cc_default:=$cc}
684b28e0 2880: ${ld_default:=$cc}
095792f2
MR
2881: ${host_ld_default:=$host_cc}
2882set_default ar as dep_cc ld host_ld
75800dce 2883
a758c5e2
MR
2884probe_cc as "$as"
2885asflags_filter=$_flags_filter
2886add_asflags $_flags $_cflags
2887set_ccvars AS
2888
2889probe_cc ld "$ld"
2890ldflags_filter=$_flags_filter
2891add_ldflags $_flags $_ldflags
2892test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2763587c 2893LD_O=${_ld_o-$LD_O}
8db73c61
MR
2894LD_LIB=${_ld_lib-$LD_LIB}
2895LD_PATH=${_ld_path-$LD_PATH}
a758c5e2 2896
095792f2
MR
2897probe_cc hostld "$host_ld"
2898host_ldflags_filter=$_flags_filter
2899add_host_ldflags $_flags $_ldflags
2900HOSTLD_O=${_ld_o-$HOSTLD_O}
2901
a758c5e2
MR
2902if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2903 probe_cc depcc "$dep_cc"
2904 CCDEP=${_DEPCMD:-$DEPCMD}
2905 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2906 DEPCCFLAGS=$_flags
2907fi
07dec06e 2908
3dbc777c
MR
2909if $ar 2>&1 | grep -q Microsoft; then
2910 arflags="-nologo"
2911 ar_o='-out:$@'
2912elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2913 arflags="rq"
2914 ar_o='$@'
4822ee3c
DB
2915elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
2916 arflags='-Xany -r -c'
2917 ar_o='$@'
3dbc777c
MR
2918else
2919 arflags="rc"
2920 ar_o='$@'
2921fi
2922
7f32f40c 2923add_cflags $extra_cflags
2f2e6c7c 2924add_asflags $extra_cflags
7f32f40c 2925
154d432c
MR
2926if test -n "$sysroot"; then
2927 case "$cc_type" in
00ba041c 2928 gcc|llvm_gcc|clang)
467256f2 2929 add_cppflags --sysroot="$sysroot"
154d432c
MR
2930 add_ldflags --sysroot="$sysroot"
2931 ;;
6fec122a
MR
2932 tms470)
2933 add_cppflags -I"$sysinclude"
2934 add_ldflags --sysroot="$sysroot"
2935 ;;
154d432c
MR
2936 esac
2937fi
2938
d22c13a8 2939if test "$cpu" = host; then
ace87c19
DB
2940 enabled cross_compile &&
2941 die "--cpu=host makes no sense when cross-compiling."
d22c13a8
MR
2942
2943 case "$cc_type" in
613a4e3f 2944 gcc|llvm_gcc)
d22c13a8
MR
2945 check_native(){
2946 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
b695256e 2947 sed -n "/cc1.*$1=/{
27ce1be8
MR
2948 s/.*$1=\\([^ ]*\\).*/\\1/
2949 p
2950 q
2951 }" $TMPE
d22c13a8
MR
2952 }
2953 cpu=$(check_native -march || check_native -mcpu)
2954 ;;
2955 esac
2956
ace87c19
DB
2957 test "${cpu:-host}" = host &&
2958 die "--cpu=host not supported with compiler $cc"
d22c13a8
MR
2959fi
2960
e939cedd
MR
2961# Deal with common $arch aliases
2962case "$arch" in
5873b623
MR
2963 aarch64|arm64)
2964 arch="aarch64"
2965 ;;
e939cedd
MR
2966 arm*)
2967 arch="arm"
2968 ;;
2acda282 2969 mips*|IP*)
e939cedd
MR
2970 arch="mips"
2971 ;;
a6e9d649 2972 parisc*|hppa*)
e939cedd
MR
2973 arch="parisc"
2974 ;;
56203596 2975 "Power Macintosh"|ppc*|powerpc*)
e939cedd
MR
2976 arch="ppc"
2977 ;;
e939cedd
MR
2978 s390|s390x)
2979 arch="s390"
2980 ;;
2981 sh4|sh)
2982 arch="sh4"
2983 ;;
4cd217c0 2984 sun4u|sparc*)
e939cedd 2985 arch="sparc"
e939cedd 2986 ;;
c75848cd
DB
2987 tilegx|tile-gx)
2988 arch="tilegx"
2989 ;;
d33ed7b3 2990 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
e939cedd
MR
2991 arch="x86"
2992 ;;
2993esac
2994
851ffa80 2995is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 2996enable $arch
e939cedd 2997
df5cdc24 2998# Add processor-specific flags
9ebd45c2 2999if enabled aarch64; then
33db40f8
MR
3000
3001 case $cpu in
3002 armv*)
3003 cpuflags="-march=$cpu"
3004 ;;
3005 *)
3006 cpuflags="-mcpu=$cpu"
3007 ;;
3008 esac
3009
3010elif enabled alpha; then
3011
3012 cpuflags="-mcpu=$cpu"
3013
3014elif enabled arm; then
3015
1234c66a
MR
3016 check_arm_arch() {
3017 check_cpp_condition stddef.h \
3018 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3019 $cpuflags
3020 }
3021
3022 probe_arm_arch() {
3023 if check_arm_arch 4; then echo armv4;
3024 elif check_arm_arch 4T; then echo armv4t;
3025 elif check_arm_arch 5; then echo armv5;
3026 elif check_arm_arch 5E; then echo armv5e;
3027 elif check_arm_arch 5T; then echo armv5t;
3028 elif check_arm_arch 5TE; then echo armv5te;
3029 elif check_arm_arch 5TEJ; then echo armv5te;
3030 elif check_arm_arch 6; then echo armv6;
3031 elif check_arm_arch 6J; then echo armv6j;
3032 elif check_arm_arch 6K; then echo armv6k;
3033 elif check_arm_arch 6Z; then echo armv6z;
3034 elif check_arm_arch 6ZK; then echo armv6zk;
3035 elif check_arm_arch 6T2; then echo armv6t2;
3036 elif check_arm_arch 7; then echo armv7;
3037 elif check_arm_arch 7A 7_A; then echo armv7-a;
3038 elif check_arm_arch 7R 7_R; then echo armv7-r;
3039 elif check_arm_arch 7M 7_M; then echo armv7-m;
3040 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3041 elif check_arm_arch 8A 8_A; then echo armv8-a;
3042 fi
3043 }
3044
3045 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3046
33db40f8
MR
3047 case $cpu in
3048 armv*)
3049 cpuflags="-march=$cpu"
3050 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3051 ;;
3052 *)
3053 cpuflags="-mcpu=$cpu"
3054 case $cpu in
3055 cortex-a*) subarch=armv7a ;;
3056 cortex-r*) subarch=armv7r ;;
3057 cortex-m*) enable thumb; subarch=armv7m ;;
3058 arm11*) subarch=armv6 ;;
3059 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3060 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
1234c66a 3061 *) subarch=$(probe_arm_arch) ;;
33db40f8
MR
3062 esac
3063 ;;
3064 esac
3065
f0fe245b
MR
3066 case "$subarch" in
3067 armv5t*) enable fast_clz ;;
3068 armv[6-8]*) enable fast_clz fast_unaligned ;;
3069 esac
3070
33db40f8
MR
3071elif enabled avr32; then
3072
3073 case $cpu in
3074 ap7[02]0[0-2])
3075 subarch="avr32_ap"
3076 cpuflags="-mpart=$cpu"
3077 ;;
3078 ap)
3079 subarch="avr32_ap"
3080 cpuflags="-march=$cpu"
3081 ;;
3082 uc3[ab]*)
3083 subarch="avr32_uc"
3084 cpuflags="-mcpu=$cpu"
3085 ;;
3086 uc)
3087 subarch="avr32_uc"
3088 cpuflags="-march=$cpu"
3089 ;;
3090 esac
3091
3092elif enabled bfin; then
3093
3094 cpuflags="-mcpu=$cpu"
3095
3096elif enabled mips; then
3097
3098 cpuflags="-march=$cpu"
3099
5d54c126 3100elif enabled ppc; then
343aef9b 3101
56348891
MR
3102 case $(tolower $cpu) in
3103 601|ppc601|powerpc601)
9dbd5c3d 3104 cpuflags="-mcpu=601"
64ad53ff 3105 disable altivec
9dbd5c3d 3106 ;;
56348891 3107 603*|ppc603*|powerpc603*)
9dbd5c3d 3108 cpuflags="-mcpu=603"
64ad53ff 3109 disable altivec
9dbd5c3d 3110 ;;
56348891 3111 604*|ppc604*|powerpc604*)
9dbd5c3d 3112 cpuflags="-mcpu=604"
64ad53ff 3113 disable altivec
9dbd5c3d 3114 ;;
56348891 3115 g3|75*|ppc75*|powerpc75*)
7f1fcaf0 3116 cpuflags="-mcpu=750"
64ad53ff 3117 disable altivec
9dbd5c3d 3118 ;;
56348891 3119 g4|745*|ppc745*|powerpc745*)
7f1fcaf0 3120 cpuflags="-mcpu=7450"
9dbd5c3d 3121 ;;
56348891 3122 74*|ppc74*|powerpc74*)
7f1fcaf0 3123 cpuflags="-mcpu=7400"
9dbd5c3d 3124 ;;
313f9fbf 3125 g5|970|ppc970|powerpc970)
7f1fcaf0 3126 cpuflags="-mcpu=970"
9dbd5c3d 3127 ;;
313f9fbf 3128 power[3-7]*)
7f1fcaf0 3129 cpuflags="-mcpu=$cpu"
313f9fbf 3130 ;;
56348891 3131 cell)
9dbd5c3d
MR
3132 cpuflags="-mcpu=cell"
3133 enable ldbrx
3134 ;;
4ab26cb4
DB
3135 e500mc)
3136 cpuflags="-mcpu=e500mc"
3137 disable altivec
3138 ;;
7b0b81a1
AL
3139 e500v2)
3140 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3141 disable altivec
3142 ;;
3143 e500)
3144 cpuflags="-mcpu=8540 -mhard-float"
3145 disable altivec
3146 ;;
9dbd5c3d 3147 esac
343aef9b 3148
33db40f8
MR
3149elif enabled sparc; then
3150
3151 case $cpu in
3152 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3153 cpuflags="-mcpu=$cpu"
3154 disable vis
3155 ;;
3156 ultrasparc*|niagara[234])
3157 cpuflags="-mcpu=$cpu"
3158 ;;
3159 esac
3160
343aef9b
MR
3161elif enabled x86; then
3162
9dbd5c3d
MR
3163 case $cpu in
3164 i[345]86|pentium)
3165 cpuflags="-march=$cpu"
3166 disable mmx
3167 ;;
f54b5505 3168 # targets that do NOT support nopl and conditional mov (cmov)
9dbd5c3d
MR
3169 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3170 cpuflags="-march=$cpu"
f54b5505 3171 disable i686
9dbd5c3d 3172 ;;
f54b5505 3173 # targets that do support nopl and conditional mov (cmov)
f2ce813e 3174 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
9dbd5c3d 3175 cpuflags="-march=$cpu"
f54b5505 3176 enable i686
9dbd5c3d
MR
3177 enable fast_cmov
3178 ;;
3179 # targets that do support conditional mov but on which it's slow
3180 pentium4|pentium4m|prescott|nocona)
3181 cpuflags="-march=$cpu"
f54b5505 3182 enable i686
9dbd5c3d
MR
3183 disable fast_cmov
3184 ;;
3185 esac
343aef9b 3186
343aef9b
MR
3187fi
3188
9ebd45c2
MR
3189if [ "$cpu" != generic ]; then
3190 add_cflags $cpuflags
3191 add_asflags $cpuflags
3192fi
df5cdc24 3193
993f2d0f
MR
3194# compiler sanity check
3195check_exec <<EOF
3196int main(void){ return 0; }
3197EOF
3198if test "$?" != 0; then
3199 echo "$cc is unable to create an executable file."
3200 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3201 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3202 echo "Only do this if you know what cross compiling means."
3203 fi
3204 die "C compiler test failed."
3205fi
3206
046f081b 3207add_cppflags -D_ISOC99_SOURCE
e9b9a2f8 3208check_cflags -std=c99
50a334e4 3209check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
3210#include <stdlib.h>
3211EOF
50a334e4 3212check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
3213#include <stdlib.h>
3214EOF
e9b9a2f8 3215
8267f936 3216add_host_cppflags -D_ISOC99_SOURCE
f0125de9 3217check_host_cflags -std=c99
0a6db2a2 3218check_host_cflags -Wall
8267f936 3219check_host_cflags -O3
f0125de9 3220
d4c99513
MR
3221check_64bit(){
3222 arch32=$1
3223 arch64=$2
3224 expr=$3
3225 check_code cc "" "int test[2*($expr) - 1]" &&
3226 subarch=$arch64 || subarch=$arch32
3227}
3228
b24dbcbd 3229case "$arch" in
d11cb13b 3230 aarch64|alpha|ia64)
2acda282
MR
3231 spic=$shared
3232 ;;
3233 mips)
3234 check_64bit mips mips64 '_MIPS_SIM > 1'
8a3c8627 3235 spic=$shared
b24dbcbd 3236 ;;
a6e9d649
MR
3237 parisc)
3238 check_64bit parisc parisc64 'sizeof(void *) > 4'
3239 spic=$shared
3240 ;;
56203596
MR
3241 ppc)
3242 check_64bit ppc ppc64 'sizeof(void *) > 4'
1944d532 3243 spic=$shared
56203596 3244 ;;
5ddc9f50
RT
3245 s390)
3246 check_64bit s390 s390x 'sizeof(void *) > 4'
3247 spic=$shared
3248 ;;
4cd217c0
MR
3249 sparc)
3250 check_64bit sparc sparc64 'sizeof(void *) > 4'
3251 spic=$shared
3252 ;;
e939cedd 3253 x86)
d4c99513 3254 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
de27f4d9 3255 if test "$subarch" = "x86_64"; then
e939cedd 3256 spic=$shared
de27f4d9 3257 fi
b24dbcbd 3258 ;;
b24dbcbd
RP
3259esac
3260
343aef9b 3261enable $subarch
b1803c79 3262enabled spic && enable_weak pic
b24dbcbd 3263
7483e694 3264# OS specific
4f854758 3265case $target_os in
d3635f3a 3266 aix)
80ade798 3267 SHFLAGS=-shared
d3635f3a 3268 add_cppflags '-I\$(SRC_PATH)/compat/aix'
80ade798 3269 enabled shared && add_ldflags -Wl,-brtl
d3635f3a 3270 ;;
a1629e28 3271 haiku)
63ae7e7c 3272 prefix_default="/boot/common"
108caaaa 3273 network_extralibs="-lnetwork"
f59c4bd6 3274 host_libs=
a1629e28 3275 ;;
7483e694 3276 sunos)
9987769a 3277 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 3278 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 3279 network_extralibs="-lsocket -lnsl"
87a74f47
SM
3280 # When using suncc to build, the Solaris linker will mark
3281 # an executable with each instruction set encountered by
3282 # the Solaris assembler. As our libraries contain their own
3283 # guards for processor-specific code, instead suppress
3284 # generation of the HWCAPS ELF section on Solaris x86 only.
ace87c19
DB
3285 enabled_all suncc x86 &&
3286 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3287 add_ldflags -Wl,-M,mapfile
2a8a860a 3288 nm_default='nm -P -g'
7483e694
DB
3289 ;;
3290 netbsd)
a1e4b3f6 3291 disable symver
07a8eef6
MR
3292 oss_indev_extralibs="-lossaudio"
3293 oss_outdev_extralibs="-lossaudio"
7483e694 3294 ;;
d488c3bc 3295 openbsd|bitrig)
a1e4b3f6 3296 disable symver
7483e694 3297 SHFLAGS='-shared'
69dca3a4 3298 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
d5683aba 3299 SLIB_INSTALL_LINKS=
07a8eef6
MR
3300 oss_indev_extralibs="-lossaudio"
3301 oss_outdev_extralibs="-lossaudio"
7483e694 3302 ;;
a1e4b3f6 3303 dragonfly)
a1e4b3f6
MR
3304 disable symver
3305 ;;
3306 freebsd)
7483e694
DB
3307 ;;
3308 bsd/os)
355d81df 3309 add_extralibs -lpoll -lgnugetopt