parser: fix large overreads
[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."
c21d6325
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50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
cde2d79a
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54 exit 1
55fi
56
a77f01c7
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57test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
58
74c53c2d 59show_help(){
f69f51b3 60 cat <<EOF
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61Usage: configure [options]
62Options: [defaults in brackets after descriptions]
63
3b327a4b 64Help options:
06454877 65 --help print this message
3b327a4b
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66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
77
78Standard options:
19bd477d 79 --logfile=FILE log tests and output to FILE [config.log]
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80 --disable-logging do not log configure debug information
81 --prefix=PREFIX install in PREFIX [$prefix]
82 --bindir=DIR install binaries in DIR [PREFIX/bin]
6291d7e4 83 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
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84 --libdir=DIR install libs in DIR [PREFIX/lib]
85 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
86 --incdir=DIR install includes in DIR [PREFIX/include]
87 --mandir=DIR install man page in DIR [PREFIX/share/man]
88
3b327a4b 89Licensing options:
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90 --enable-gpl allow use of GPL code, the resulting libs
91 and binaries will be under GPL [no]
92 --enable-version3 upgrade (L)GPL to version 3 [no]
93 --enable-nonfree allow use of nonfree code, the resulting libs
94 and binaries will be unredistributable [no]
3b327a4b
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95
96Configuration options:
97 --disable-static do not build static libraries [no]
98 --enable-shared build shared libraries [no]
99 --enable-small optimize for size instead of speed
100 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
101 --enable-gray enable full grayscale support (slower color)
102 --disable-swscale-alpha disable alpha channel support in swscale
103
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104Program options:
105 --disable-programs do not build command line programs
6291d7e4 106 --disable-avconv disable avconv build
266463da 107 --disable-avplay disable avplay build
9e12f0bf 108 --disable-avprobe disable avprobe build
4d58e4cb 109 --disable-avserver disable avserver build
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110
111Component options:
112 --disable-doc do not build documentation
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113 --disable-avdevice disable libavdevice build
114 --disable-avcodec disable libavcodec build
115 --disable-avformat disable libavformat build
d89f2fa9 116 --disable-avutil disable libavutil build
5a0f7131 117 --disable-swscale disable libswscale build
cccc039f 118 --disable-avfilter disable video filter support [no]
c8af852b 119 --disable-avresample disable libavresample build [no]
0dbfc1db 120 --disable-pthreads disable pthreads [auto]
7b7b220c 121 --disable-w32threads disable Win32 threads [auto]
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122 --enable-x11grab enable X11 grabbing [no]
123 --disable-network disable network support [no]
7f3f5f46 124 --disable-dct disable DCT code
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125 --disable-dwt disable DWT code
126 --disable-lsp disable LSP code
2a91ada8 127 --disable-lzo disable LZO decoder code
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128 --disable-mdct disable MDCT code
129 --disable-rdft disable RDFT code
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130 --disable-fft disable FFT code
131 --enable-dxva2 enable DXVA2 code
dcb73592 132 --enable-vaapi enable VAAPI code
ac3dbb4d 133 --enable-vda enable VDA code
e8f6bd4b 134 --enable-vdpau enable VDPAU code
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135
136Individual component options:
bb55e3a3 137 --disable-everything disable all components listed below
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138 --disable-encoder=NAME disable encoder NAME
139 --enable-encoder=NAME enable encoder NAME
140 --disable-encoders disable all encoders
141 --disable-decoder=NAME disable decoder NAME
142 --enable-decoder=NAME enable decoder NAME
143 --disable-decoders disable all decoders
144 --disable-hwaccel=NAME disable hwaccel NAME
145 --enable-hwaccel=NAME enable hwaccel NAME
146 --disable-hwaccels disable all hwaccels
147 --disable-muxer=NAME disable muxer NAME
148 --enable-muxer=NAME enable muxer NAME
149 --disable-muxers disable all muxers
150 --disable-demuxer=NAME disable demuxer NAME
151 --enable-demuxer=NAME enable demuxer NAME
152 --disable-demuxers disable all demuxers
153 --enable-parser=NAME enable parser NAME
154 --disable-parser=NAME disable parser NAME
155 --disable-parsers disable all parsers
156 --enable-bsf=NAME enable bitstream filter NAME
157 --disable-bsf=NAME disable bitstream filter NAME
158 --disable-bsfs disable all bitstream filters
159 --enable-protocol=NAME enable protocol NAME
160 --disable-protocol=NAME disable protocol NAME
161 --disable-protocols disable all protocols
3b327a4b 162 --enable-indev=NAME enable input device NAME
06454877 163 --disable-indev=NAME disable input device NAME
06454877 164 --disable-indevs disable input devices
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165 --enable-outdev=NAME enable output device NAME
166 --disable-outdev=NAME disable output device NAME
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167 --disable-outdevs disable output devices
168 --disable-devices disable all devices
169 --enable-filter=NAME enable filter NAME
170 --disable-filter=NAME disable filter NAME
171 --disable-filters disable all filters
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172
173External library support:
174 --enable-avisynth enable reading of AVISynth script files [no]
175 --enable-bzlib enable bzlib [autodetect]
47941088 176 --enable-frei0r enable frei0r video filtering
bc8c1395 177 --enable-gnutls enable gnutls [no]
e417d80d 178 --enable-libcdio enable audio CD grabbing with libcdio
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179 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
180 and libraw1394 [no]
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181 --enable-libfaac enable AAC encoding via libfaac [no]
182 --enable-libfdk-aac enable AAC encoding via libfdk-aac [no]
a5b64584 183 --enable-libfreetype enable libfreetype [no]
c547e5ff 184 --enable-libgsm enable GSM de/encoding via libgsm [no]
3641b048 185 --enable-libilbc enable iLBC de/encoding via libilbc [no]
06454877 186 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
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187 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
188 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
189 --enable-libopencv enable video filtering via libopencv [no]
453c02f9 190 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
44617d6e 191 --enable-libopus enable Opus decoding via libopus [no]
7c922411 192 --enable-libpulse enable Pulseaudio input via libpulse [no]
0f943ce6 193 --enable-librtmp enable RTMP[E] support via librtmp [no]
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194 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
195 --enable-libspeex enable Speex de/encoding via libspeex [no]
06454877 196 --enable-libtheora enable Theora encoding via libtheora [no]
d89e738a 197 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
f502ff3f 198 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
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199 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
200 --enable-libvpx enable VP8 de/encoding via libvpx [no]
06454877 201 --enable-libx264 enable H.264 encoding via x264 [no]
de295976 202 --enable-libxavs enable AVS encoding via xavs [no]
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203 --enable-libxvid enable Xvid encoding via xvidcore,
204 native MPEG-4/Xvid encoder exists [no]
a060866f 205 --enable-openssl enable openssl [no]
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206 --enable-zlib enable zlib [autodetect]
207
208Advanced options (experts only):
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209 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
210 --enable-cross-compile assume a cross-compiler is used
211 --sysroot=PATH root of cross-build tree
212 --sysinclude=PATH location of cross-build system headers
213 --target-os=OS compiler targets OS [$target_os]
214 --target-exec=CMD command to run executables on target
215 --target-path=DIR path to view of build directory on target
aeeb782c 216 --toolchain=NAME set tool defaults according to NAME
06454877 217 --nm=NM use nm tool
121d78d0 218 --ar=AR use archive tool AR [$ar_default]
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219 --as=AS use assembler AS [$as_default]
220 --cc=CC use C compiler CC [$cc_default]
193cdd9a 221 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
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222 --ld=LD use linker LD
223 --host-cc=HOSTCC use host C compiler HOSTCC
224 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
095792f2 225 --host-ld=HOSTLD use host linker HOSTLD
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226 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
227 --host-libs=HLIBS use libs HLIBS when linking for host
193cdd9a 228 --host-os=OS compiler host OS [$target_os]
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229 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
230 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
231 --extra-libs=ELIBS add ELIBS [$ELIBS]
232 --extra-version=STRING version string suffix []
193cdd9a 233 --optflags=OPTFLAGS override optimization-related compiler flags
06454877 234 --build-suffix=SUFFIX library name suffix []
3b327a4b 235 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
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236 --arch=ARCH select architecture [$arch]
237 --cpu=CPU select the minimum required CPU (affects
238 instruction selection, may crash on older CPUs)
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239 --enable-pic build position-independent code
240 --enable-sram allow use of on-chip SRAM
193cdd9a 241 --enable-thumb compile for Thumb instruction set
3b327a4b 242 --disable-symver disable symbol versioning
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DB
243 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
244 --disable-safe-bitstream-reader
245 disable buffer boundary checking in bitreaders
246 (faster, but may crash)
247 --enable-memalign-hack emulate memalign, interferes with memory debuggers
65d12900 248 --enable-lto use link-time optimization
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249
250Optimization options (experts only):
c8a4ae00 251 --disable-asm disable all assembler optimizations
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252 --disable-altivec disable AltiVec optimizations
253 --disable-amd3dnow disable 3DNow! optimizations
254 --disable-amd3dnowext disable 3DNow! extended optimizations
255 --disable-mmx disable MMX optimizations
239fdf1b 256 --disable-mmxext disable MMXEXT optimizations
06454877 257 --disable-sse disable SSE optimizations
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258 --disable-sse2 disable SSE2 optimizations
259 --disable-sse3 disable SSE3 optimizations
06454877 260 --disable-ssse3 disable SSSE3 optimizations
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261 --disable-sse4 disable SSE4 optimizations
262 --disable-sse42 disable SSE4.2 optimizations
87f1355f 263 --disable-avx disable AVX optimizations
79687079 264 --disable-fma4 disable FMA4 optimizations
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265 --disable-armv5te disable armv5te optimizations
266 --disable-armv6 disable armv6 optimizations
267 --disable-armv6t2 disable armv6t2 optimizations
b3267559 268 --disable-vfp disable VFP optimizations
5ea20630 269 --disable-neon disable NEON optimizations
06454877 270 --disable-vis disable VIS optimizations
afb5ed55 271 --disable-inline-asm disable use of inline assembler
06454877 272 --disable-yasm disable use of yasm assembler
06454877 273
070c5d0f 274Developer options (useful when working on Libav itself):
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275 --disable-debug disable debugging symbols
276 --enable-debug=LEVEL set the debug level [$debuglevel]
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277 --disable-optimizations disable compiler optimizations
278 --enable-extra-warnings enable more compiler warnings
52b3cc60 279 --samples=PATH location of test samples for FATE, if not set use
9309bdfe 280 \$LIBAV_SAMPLES at make invocation time.
7e4d9d5d
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281 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
282 should be used only for debugging purposes)
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283 --enable-random randomly enable/disable components
284 --disable-random
285 --enable-random=LIST randomly enable/disable specific components or
286 --disable-random=LIST component groups. LIST is a comma-separated list
287 of NAME[:PROB] entries where NAME is a component
288 (group) and PROB the probability associated with
289 NAME (default 0.5).
290 --random-seed=VALUE seed value for --enable/disable-random
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291
292NOTE: Object files are built at the place where configure is launched.
293EOF
60e8bc13 294 exit 0
74c53c2d 295}
cf9d24ad 296
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297quotes='""'
298
57bd82d4 299log(){
2270b4b2 300 echo "$@" >> $logfile
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301}
302
720c69da 303log_file(){
c8e9f801 304 log BEGIN $1
2270b4b2 305 pr -n -t $1 >> $logfile
c8e9f801
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306 log END $1
307}
308
2ba042a7 309echolog(){
c8e9f801 310 log "$@"
57bd82d4 311 echo "$@"
2ba042a7
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312}
313
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314warn(){
315 log "WARNING: $*"
316 WARNINGS="${WARNINGS}WARNING: $*\n"
317}
318
2ba042a7
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319die(){
320 echolog "$@"
321 cat <<EOF
d326cf7f 322
2ba042a7 323If you think configure made a mistake, make sure you are using the latest
4a6a21f5 324version from Git. If the latest version fails, report the problem to the
070c5d0f 325libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
2ba042a7 326EOF
e155a21a 327 if disabled logging; then
2ba042a7 328 cat <<EOF
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329Rerun configure with logging enabled (do not use --disable-logging), and
330include the log this produces with your report.
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331EOF
332 else
f69f51b3 333 cat <<EOF
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334Include the log file "$logfile" produced by configure as this will help
335solving the problem.
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336EOF
337 fi
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338 exit 1
339}
340
6c6007d6 341# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 342toupper(){
6c6007d6 343 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
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344}
345
4a5444db 346tolower(){
6c6007d6 347 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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348}
349
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350c_escape(){
351 echo "$*" | sed 's/["\\]/\\\0/g'
352}
353
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354sh_quote(){
355 v=$(echo "$1" | sed "s/'/'\\\\''/g")
d72c981c 356 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
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357 echo "$v"
358}
359
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360cleanws(){
361 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
362}
363
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364filter(){
365 pat=$1
366 shift
367 for v; do
98ef6079 368 eval "case $v in $pat) echo $v ;; esac"
be8f2501
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369 done
370}
371
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372filter_out(){
373 pat=$1
374 shift
375 for v; do
376 eval "case $v in $pat) ;; *) echo $v ;; esac"
377 done
378}
379
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380map(){
381 m=$1
382 shift
e0e335a0 383 for v; do eval $m; done
36e2dea0
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384}
385
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386add_suffix(){
387 suffix=$1
388 shift
389 for v; do echo ${v}${suffix}; done
390}
391
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392set_all(){
393 value=$1
394 shift
395 for var in $*; do
396 eval $var=$value
397 done
398}
399
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400set_weak(){
401 value=$1
402 shift
403 for var; do
404 eval : \${$var:=$value}
405 done
406}
407
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408set_safe(){
409 var=$1
410 shift
411 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
412}
413
414get_safe(){
415 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
416}
417
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418pushvar(){
419 for var in $*; do
420 eval level=\${${var}_level:=0}
421 eval ${var}_${level}="\$$var"
422 eval ${var}_level=$(($level+1))
423 done
424}
425
426popvar(){
427 for var in $*; do
428 eval level=\${${var}_level:-0}
429 test $level = 0 && continue
430 eval level=$(($level-1))
431 eval $var="\${${var}_${level}}"
432 eval ${var}_level=$level
433 eval unset ${var}_${level}
434 done
435}
436
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437enable(){
438 set_all yes $*
439}
440
441disable(){
442 set_all no $*
443}
444
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445enable_weak(){
446 set_weak yes $*
447}
448
449disable_weak(){
450 set_weak no $*
451}
452
72702705 453enable_safe(){
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454 for var; do
455 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
456 done
72702705
MR
457}
458
459disable_safe(){
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460 for var; do
461 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
462 done
72702705
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463}
464
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465do_enable_deep(){
466 for var; do
467 enabled $var && continue
468 eval sel="\$${var}_select"
c510c7b5
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469 eval sgs="\$${var}_suggest"
470 pushvar var sgs
f9d328da 471 enable_deep $sel
c510c7b5
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472 popvar sgs
473 enable_deep_weak $sgs
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474 popvar var
475 done
476}
477
478enable_deep(){
479 do_enable_deep $*
480 enable $*
481}
482
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483enable_deep_weak(){
484 do_enable_deep $*
485 enable_weak $*
486}
487
57bd82d4 488enabled(){
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489 test "${1#!}" = "$1" && op== || op=!=
490 eval test "x\$${1#!}" $op "xyes"
44161118
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491}
492
37970ebf 493disabled(){
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494 test "${1#!}" = "$1" && op== || op=!=
495 eval test "x\$${1#!}" $op "xno"
37970ebf
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496}
497
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498enabled_all(){
499 for opt; do
500 enabled $opt || return 1
501 done
502}
503
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504disabled_all(){
505 for opt; do
506 disabled $opt || return 1
507 done
508}
509
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510enabled_any(){
511 for opt; do
512 enabled $opt && return 0
513 done
514}
515
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516disabled_any(){
517 for opt; do
518 disabled $opt && return 0
519 done
f7b230a7 520 return 1
85bca2c5
DB
521}
522
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523set_default(){
524 for opt; do
88268e94 525 eval : \${$opt:=\$${opt}_default}
c9d19248
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526 done
527}
528
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529is_in(){
530 value=$1
531 shift
532 for var in $*; do
533 [ $var = $value ] && return 0
534 done
535 return 1
536}
537
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538check_deps(){
539 for cfg; do
3250003c 540 cfg="${cfg#!}"
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541 enabled ${cfg}_checking && die "Circular dependency for $cfg."
542 disabled ${cfg}_checking && continue
543 enable ${cfg}_checking
544
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545 eval dep_all="\$${cfg}_deps"
546 eval dep_any="\$${cfg}_deps_any"
7ef3425f 547 eval dep_sel="\$${cfg}_select"
c510c7b5 548 eval dep_sgs="\$${cfg}_suggest"
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549 eval dep_ifa="\$${cfg}_if"
550 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 551
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552 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
553 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
554 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 555
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556 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
557 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
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558 enabled_all $dep_all || disable $cfg
559 enabled_any $dep_any || disable $cfg
7ef3425f 560 disabled_any $dep_sel && disable $cfg
799c9e9b 561
4ec45764
RP
562 if enabled $cfg; then
563 eval dep_extralibs="\$${cfg}_extralibs"
564 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 565 enable_deep $dep_sel
c510c7b5 566 enable_deep_weak $dep_sgs
4ec45764
RP
567 fi
568
799c9e9b 569 disable ${cfg}_checking
30fd06be
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570 done
571}
572
44161118
MR
573print_config(){
574 pfx=$1
72cfcf41
MR
575 files=$2
576 shift 2
f454e879
MR
577 map 'eval echo "$v \${$v:-no}"' "$@" |
578 awk "BEGIN { split(\"$files\", files) }
579 {
580 c = \"$pfx\" toupper(\$1);
581 v = \$2;
582 sub(/yes/, 1, v);
583 sub(/no/, 0, v);
584 for (f in files) {
585 file = files[f];
586 if (file ~ /\\.h\$/) {
587 printf(\"#define %s %d\\n\", c, v) >>file;
588 } else if (file ~ /\\.asm\$/) {
589 printf(\"%%define %s %d\\n\", c, v) >>file;
590 } else if (file ~ /\\.mak\$/) {
d16c4aeb 591 n = -v ? \"\" : \"!\";
f454e879
MR
592 printf(\"%s%s=yes\\n\", n, c) >>file;
593 }
594 }
595 }"
57bd82d4
MR
596}
597
31c0121d 598print_enabled(){
31c0121d
MR
599 suf=$1
600 shift
601 for v; do
9eda2a85 602 enabled $v && printf "%s\n" ${v%$suf};
31c0121d
MR
603 done
604}
605
57bd82d4
MR
606append(){
607 var=$1
608 shift
57bd82d4
MR
609 eval "$var=\"\$$var $*\""
610}
611
60361817
MR
612prepend(){
613 var=$1
614 shift
615 eval "$var=\"$* \$$var\""
616}
617
50a334e4 618add_cppflags(){
cd52ec95 619 append CPPFLAGS "$@"
50a334e4
MR
620}
621
57bd82d4 622add_cflags(){
01d31e16 623 append CFLAGS $($cflags_filter "$@")
57bd82d4
MR
624}
625
2f2e6c7c 626add_asflags(){
01d31e16 627 append ASFLAGS $($asflags_filter "$@")
2f2e6c7c
MR
628}
629
57bd82d4 630add_ldflags(){
64933b6c 631 append LDFLAGS $($ldflags_filter "$@")
57bd82d4
MR
632}
633
634add_extralibs(){
64933b6c 635 prepend extralibs $($ldflags_filter "$@")
57bd82d4
MR
636}
637
6c3fa06a
MR
638add_host_cflags(){
639 append host_cflags $($host_cflags_filter "$@")
640}
641
642add_host_ldflags(){
643 append host_ldflags $($host_ldflags_filter "$@")
644}
645
84e65c76
MR
646add_compat(){
647 append compat_objs $1
648 shift
649 map 'add_cppflags -D$v' "$@"
650}
651
b0cfb663 652check_cmd(){
b3cb5d51 653 log "$@"
2270b4b2 654 "$@" >> $logfile 2>&1
b0cfb663
MR
655}
656
b2704a65
MR
657cc_o(){
658 eval printf '%s\\n' $CC_O
659}
660
18031c49
MR
661cc_e(){
662 eval printf '%s\\n' $CC_E
663}
664
dcd479c0 665check_cc(){
57bd82d4 666 log check_cc "$@"
2270b4b2 667 cat > $TMPC
720c69da 668 log_file $TMPC
23565c26 669 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
57bd82d4
MR
670}
671
672check_cpp(){
673 log check_cpp "$@"
2270b4b2 674 cat > $TMPC
720c69da 675 log_file $TMPC
18031c49 676 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
dcd479c0
MR
677}
678
df0d6341
MR
679as_o(){
680 eval printf '%s\\n' $AS_O
681}
682
f65883c8
MR
683check_as(){
684 log check_as "$@"
7fd90119
MR
685 cat > $TMPS
686 log_file $TMPS
687 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
f65883c8
MR
688}
689
575db883
DB
690check_inline_asm(){
691 log check_inline_asm "$@"
940f335a 692 name="$1"
3784e82e 693 code="$2"
940f335a 694 shift 2
49214f61 695 disable $name
7fd90119 696 check_cc "$@" <<EOF && enable $name
3784e82e 697void foo(void){ __asm__ volatile($code); }
940f335a
MR
698EOF
699}
700
c6ebc9fa
MR
701check_insn(){
702 log check_insn "$@"
703 check_inline_asm ${1}_inline "\"$2\""
704 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
705}
706
304d586d
LM
707check_yasm(){
708 log check_yasm "$@"
709 echo "$1" > $TMPS
710 log_file $TMPS
711 shift 1
712 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
713}
714
29b64b68
MR
715ld_o(){
716 eval printf '%s\\n' $LD_O
717}
718
dcd479c0 719check_ld(){
57bd82d4 720 log check_ld "$@"
66a1ccd7
MR
721 flags=$(filter_out '-l*' "$@")
722 libs=$(filter '-l*' "$@")
01d31e16 723 check_cc $($cflags_filter $flags) || return
64933b6c
MR
724 flags=$($ldflags_filter $flags)
725 libs=$($ldflags_filter $libs)
29b64b68 726 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
dcd479c0
MR
727}
728
5adc829e
MR
729check_code(){
730 log check_code "$@"
731 check=$1
732 headers=$2
733 code=$3
734 shift 3
735 {
736 for hdr in $headers; do
737 echo "#include <$hdr>"
738 done
739 echo "int main(void) { $code; return 0; }"
740 } | check_$check "$@"
741}
742
50a334e4
MR
743check_cppflags(){
744 log check_cppflags "$@"
caf458dd 745 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
746int x;
747EOF
748}
749
dcd479c0 750check_cflags(){
57bd82d4 751 log check_cflags "$@"
01d31e16 752 set -- $($cflags_filter "$@")
caf458dd 753 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
754int x;
755EOF
756}
757
2ed46eea
MR
758test_ldflags(){
759 log test_ldflags "$@"
760 check_ld "$@" <<EOF
c23a0ac8 761int main(void){ return 0; }
dcd479c0
MR
762EOF
763}
764
2ed46eea
MR
765check_ldflags(){
766 log check_ldflags "$@"
767 test_ldflags "$@" && add_ldflags "$@"
768}
769
dcd479c0 770check_header(){
57bd82d4 771 log check_header "$@"
dcd479c0
MR
772 header=$1
773 shift
b77df637
MR
774 disable_safe $header
775 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
776#include <$header>
777int x;
778EOF
779}
780
781check_func(){
57bd82d4 782 log check_func "$@"
dcd479c0
MR
783 func=$1
784 shift
d8bc5f06
MR
785 disable $func
786 check_ld "$@" <<EOF && enable $func
dcd479c0 787extern int $func();
c23a0ac8 788int main(void){ $func(); }
dcd479c0
MR
789EOF
790}
791
645d2652 792check_mathfunc(){
6b73c0ae 793 log check_mathfunc "$@"
645d2652 794 func=$1
1aa07aa2
MR
795 narg=$2
796 shift 2
797 test $narg = 2 && args="f, g" || args="f"
645d2652
MR
798 disable $func
799 check_ld "$@" <<EOF && enable $func
800#include <math.h>
1aa07aa2 801float foo(float f, float g) { return $func($args); }
33bd38db 802int main(void){ return 0; }
645d2652
MR
803EOF
804}
805
2446d3d6
DB
806check_func_headers(){
807 log check_func_headers "$@"
f8d7b072 808 headers=$1
edaf1ae2 809 funcs=$2
f8d7b072 810 shift 2
edaf1ae2
MR
811 {
812 for hdr in $headers; do
813 echo "#include <$hdr>"
814 done
815 for func in $funcs; do
816 echo "long check_$func(void) { return (long) $func; }"
817 done
818 echo "int main(void) { return 0; }"
819 } | check_ld "$@" && enable $funcs && enable_safe $headers
f8d7b072
MR
820}
821
a5344cf7
SS
822check_cpp_condition(){
823 log check_cpp_condition "$@"
824 header=$1
825 condition=$2
f855b7b9 826 shift 2
cd52ec95 827 check_cpp "$@" <<EOF
a5344cf7
SS
828#include <$header>
829#if !($condition)
830#error "unsatisfied condition: $condition"
831#endif
832EOF
833}
834
57bd82d4
MR
835check_lib(){
836 log check_lib "$@"
837 header="$1"
838 func="$2"
839 shift 2
84400e9d 840 check_header $header && check_func $func "$@" && add_extralibs "$@"
57bd82d4
MR
841}
842
f8d7b072
MR
843check_lib2(){
844 log check_lib2 "$@"
845 headers="$1"
edaf1ae2 846 funcs="$2"
f8d7b072 847 shift 2
edaf1ae2 848 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
f8d7b072
MR
849}
850
3f8040db
MR
851check_pkg_config(){
852 log check_pkg_config "$@"
853 pkg="$1"
854 headers="$2"
855 funcs="$3"
856 shift 3
857 $pkg_config --exists $pkg || return
858 pkg_cflags=$($pkg_config --cflags $pkg)
859 pkg_libs=$($pkg_config --libs $pkg)
860 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
861 set_safe ${pkg}_cflags $pkg_cflags &&
862 set_safe ${pkg}_libs $pkg_libs
863}
864
dcd479c0 865check_exec(){
2270b4b2 866 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
867}
868
7dfef245 869check_exec_crash(){
5e622c40 870 code=$(cat)
7dfef245
MR
871
872 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
873 # are safe but may not be available everywhere. Thus we use
874 # raise(SIGTERM) instead. The check is run in a subshell so we
875 # can redirect the "Terminated" message from the shell. SIGBUS
876 # is not defined by standard C so it is used conditionally.
877
2270b4b2 878 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
879#include <signal.h>
880static void sighandler(int sig){
881 raise(SIGTERM);
882}
692dd8ed
MR
883int foo(void){
884 $code
885}
e5af4a11 886int main(void){
7dfef245
MR
887 signal(SIGILL, sighandler);
888 signal(SIGFPE, sighandler);
889 signal(SIGSEGV, sighandler);
890#ifdef SIGBUS
891 signal(SIGBUS, sighandler);
892#endif
692dd8ed 893 foo();
7dfef245
MR
894}
895EOF
896}
897
72be9e73
DY
898check_type(){
899 log check_type "$@"
900 headers=$1
901 type=$2
902 shift 2
ae550ce9 903 disable_safe "$type"
5adc829e 904 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
72be9e73
DY
905}
906
14d36751
MR
907check_struct(){
908 log check_type "$@"
909 headers=$1
910 struct=$2
911 member=$3
912 shift 3
913 disable_safe "${struct}_${member}"
5adc829e
MR
914 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
915 enable_safe "${struct}_${member}"
14d36751
MR
916}
917
57bd82d4
MR
918require(){
919 name="$1"
920 header="$2"
921 func="$3"
922 shift 3
923 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
924}
925
f8d7b072
MR
926require2(){
927 name="$1"
928 headers="$2"
929 func="$3"
930 shift 3
931 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
932}
933
3f8040db
MR
934require_pkg_config(){
935 pkg="$1"
936 check_pkg_config "$@" || die "ERROR: $pkg not found"
937 add_cflags $(get_safe ${pkg}_cflags)
938 add_extralibs $(get_safe ${pkg}_libs)
939}
940
ae43c4c0
MR
941hostcc_o(){
942 eval printf '%s\\n' $HOSTCC_O
943}
944
f0125de9
MR
945check_host_cc(){
946 log check_host_cc "$@"
947 cat > $TMPC
948 log_file $TMPC
ae43c4c0 949 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
f0125de9
MR
950}
951
952check_host_cflags(){
953 log check_host_cflags "$@"
6c3fa06a 954 set -- $($host_cflags_filter "$@")
f0125de9
MR
955 check_host_cc "$@" <<EOF && append host_cflags "$@"
956int x;
957EOF
958}
959
c505dd31
MR
960apply(){
961 file=$1
962 shift
963 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
964}
965
c34681df 966cp_if_changed(){
5e27ec28
MR
967 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
968 mkdir -p "$(dirname $2)"
4ebc6a74 969 $cp_f "$1" "$2"
c34681df
MR
970}
971
dcd61286
DB
972# CONFIG_LIST contains configurable options, while HAVE_LIST is for
973# system-dependent things.
974
4a0d6686
AJ
975COMPONENT_LIST="
976 bsfs
977 decoders
978 demuxers
979 encoders
3cde40aa 980 filters
5666fd73 981 hwaccels
c552605c 982 indevs
4a0d6686 983 muxers
c552605c 984 outdevs
4a0d6686
AJ
985 parsers
986 protocols
987"
988
d89f2fa9
DB
989LIBRARY_LIST="
990 avcodec
991 avdevice
992 avfilter
993 avformat
994 avresample
995 avutil
996 swscale
997"
998
055c61b8
DB
999PROGRAM_LIST="
1000 avconv
1001 avplay
1002 avprobe
1003 avserver
055c61b8
DB
1004"
1005
4a0d6686
AJ
1006CONFIG_LIST="
1007 $COMPONENT_LIST
d89f2fa9 1008 $LIBRARY_LIST
055c61b8 1009 $PROGRAM_LIST
c88f5d72 1010 avisynth
f402916e 1011 bzlib
7f3f5f46 1012 dct
c73f65d9 1013 doc
05aec7bb 1014 dwt
92c6a099 1015 dxva2
1848f7d9 1016 fft
47941088 1017 frei0r
bc8c1395 1018 gnutls
c88f5d72 1019 gpl
d8d0d0b2 1020 gray
3abe5fbd 1021 hardcoded_tables
e417d80d 1022 libcdio
f7b8bffe 1023 libdc1394
2eed5a46 1024 libfaac
37eeb5e2 1025 libfdk_aac
a5b64584 1026 libfreetype
c88f5d72 1027 libgsm
3641b048 1028 libilbc
6ebe07fb 1029 libmp3lame
0b175caa
DB
1030 libopencore_amrnb
1031 libopencore_amrwb
6ebf0bfc 1032 libopencv
9a77d59a 1033 libopenjpeg
44617d6e 1034 libopus
0de9c41f 1035 libpulse
0f943ce6 1036 librtmp
f7cd9eed 1037 libschroedinger
ae14f311 1038 libspeex
150d2772 1039 libtheora
d89e738a 1040 libvo_aacenc
f502ff3f 1041 libvo_amrwbenc
c88f5d72 1042 libvorbis
8299a7f8 1043 libvpx
1cc60c47 1044 libx264
de295976 1045 libxavs
1cc60c47 1046 libxvid
b781cc12 1047 lsp
2a91ada8 1048 lzo
47a158cb 1049 mdct
c88f5d72 1050 memalign_hack
c88f5d72 1051 network
3fe142e2 1052 nonfree
a060866f 1053 openssl
8a3c8627 1054 pic
68602540 1055 rdft
e90f5b5a 1056 runtime_cpudetect
8cfbbd92 1057 safe_bitstream_reader
2e35e684 1058 shared
bd2216e4 1059 small
6b35d421 1060 sram
2e35e684 1061 static
a9ddb5b1 1062 swscale_alpha
8986fddc 1063 thumb
17492d5e 1064 vaapi
ac3dbb4d 1065 vda
17492d5e 1066 vdpau
9cad0e4e 1067 version3
7e4d9d5d 1068 xmm_clobber_test
56a059ac 1069 x11grab
c88f5d72 1070 zlib
4a0d6686 1071"
c88f5d72 1072
8eee7025 1073THREADS_LIST='
8eee7025
DB
1074 pthreads
1075 w32threads
1076'
1077
3f5b56e5 1078ARCH_LIST='
5873b623 1079 aarch64
3f5b56e5 1080 alpha
a2fc0f6a 1081 arm
fdcd782d
MR
1082 avr32
1083 avr32_ap
1084 avr32_uc
3f5b56e5
MR
1085 bfin
1086 ia64
1087 m68k
1088 mips
bae3abb0 1089 mips64
3f5b56e5 1090 parisc
79cb09b2 1091 ppc
34d11b87 1092 ppc64
3f5b56e5
MR
1093 s390
1094 sh4
1095 sparc
1096 sparc64
c75848cd
DB
1097 tilegx
1098 tilepro
0844bae1 1099 tomi
3f5b56e5
MR
1100 x86
1101 x86_32
1102 x86_64
1103'
1104
81dfa21e
MR
1105ARCH_EXT_LIST_ARM='
1106 armv5te
1107 armv6
1108 armv6t2
81dfa21e 1109 neon
b3267559 1110 vfp
81dfa21e
MR
1111 vfpv3
1112'
1113
50cd43f2 1114ARCH_EXT_LIST_X86='
3bf96eec 1115 amd3dnow
a1ef9f08 1116 amd3dnowext
50cd43f2
DB
1117 avx
1118 fma4
1119 mmx
1120 mmxext
1121 sse
1122 sse2
1123 sse3
1124 sse4
1125 sse42
1126 ssse3
1127'
1128
1129ARCH_EXT_LIST="
81dfa21e 1130 $ARCH_EXT_LIST_ARM
50cd43f2
DB
1131 $ARCH_EXT_LIST_X86
1132 altivec
799fde37 1133 ppc4xx
bd9d34a0 1134 vis
50cd43f2 1135"
3f5b56e5 1136
fd712a55
DB
1137HAVE_LIST_CMDLINE='
1138 inline_asm
1139 symver
1140 yasm
1141'
1142
a3e02a8c
MR
1143HAVE_LIST_PUB='
1144 bigendian
d268eee9 1145 fast_unaligned
a3e02a8c
MR
1146'
1147
79042ab3 1148MATH_FUNCS="
fab0a8b2
MR
1149 atanf
1150 atan2f
79042ab3 1151 cbrtf
fab0a8b2 1152 cosf
79042ab3
DB
1153 exp2
1154 exp2f
fab0a8b2 1155 expf
79042ab3
DB
1156 isinf
1157 isnan
fab0a8b2 1158 ldexpf
79042ab3
DB
1159 llrint
1160 llrintf
1161 log2
1162 log2f
fab0a8b2 1163 log10f
79042ab3
DB
1164 lrint
1165 lrintf
fab0a8b2 1166 powf
79042ab3
DB
1167 rint
1168 round
1169 roundf
fab0a8b2 1170 sinf
79042ab3
DB
1171 trunc
1172 truncf
1173"
1174
3f5b56e5
MR
1175HAVE_LIST="
1176 $ARCH_EXT_LIST
43b73d59
DB
1177 $(add_suffix _external $ARCH_EXT_LIST)
1178 $(add_suffix _inline $ARCH_EXT_LIST)
fd712a55 1179 $HAVE_LIST_CMDLINE
a3e02a8c 1180 $HAVE_LIST_PUB
3f5b56e5 1181 $THREADS_LIST
79042ab3 1182 $MATH_FUNCS
be1a839c 1183 aligned_malloc
59782b82 1184 aligned_stack
35fd8122 1185 alsa_asoundlib_h
3f5b56e5 1186 altivec_h
c9fdab0d 1187 arpa_inet_h
ec9d2c15 1188 asm_mod_q
6308729e 1189 asm_mod_y
dffb41b9 1190 attribute_may_alias
e7ea5e3d 1191 attribute_packed
ecf97f22 1192 closesocket
1ac9331a 1193 cmov
15caccb9 1194 CommandLineToArgvW
180d43bc 1195 cpunop
1093383d 1196 CryptGenRandom
c88f5d72 1197 dcbzl
f8aa696f
DB
1198 dev_bktr_ioctl_bt848_h
1199 dev_bktr_ioctl_meteor_h
1200 dev_ic_bt8xx_h
f8aa696f 1201 dev_video_bktr_ioctl_bt848_h
3e0b1c9a 1202 dev_video_meteor_ioctl_meteor_h
ca6b544a 1203 direct_h
18b67ae5 1204 dlfcn_h
c88f5d72 1205 dlopen
bc574408 1206 dos_paths
fa845061 1207 dxva_h
245626d0
DB
1208 ebp_available
1209 ebx_available
c2a29455 1210 fast_64bit
669b5583 1211 fast_clz
7073e9fc 1212 fast_cmov
534a2231 1213 fcntl
9d99cc5a 1214 fork
84882df6 1215 getaddrinfo
da9e86f8 1216 gethrtime
667fb97a 1217 getopt
02e8f427 1218 GetProcessAffinityMask
fc5607f8 1219 GetProcessMemoryInfo
4e68cb8a 1220 GetProcessTimes
61183b5a 1221 GetSystemTimeAsFileTime
66be5b45 1222 getrusage
c3e73100 1223 getservbyport
61183b5a 1224 gettimeofday
a49d3025 1225 gnu_as
2f0c136e 1226 ibm_asm
2e1913b1 1227 inet_aton
3b1ab197 1228 io_h
abfc8d05 1229 isatty
8772997d 1230 jack_port_get_latency_range
9f5ff83f 1231 ldbrx
0b4a1821
AS
1232 libdc1394_1
1233 libdc1394_2
d96cd429
MR
1234 local_aligned_16
1235 local_aligned_8
a5b64584 1236 localtime_r
85dd97ad 1237 loongson
f8aa696f
DB
1238 machine_ioctl_bt848_h
1239 machine_ioctl_meteor_h
c88f5d72 1240 malloc_h
73f6d31e 1241 MapViewOfFile
c88f5d72 1242 memalign
6ffa87d3 1243 mkstemp
f80ddd5b 1244 mm_empty
0328b9ea 1245 mmap
e98b02de 1246 mprotect
4fa661a8 1247 msvcrt
d3d3a32c 1248 nanosleep
3e0b1c9a 1249 poll_h
1f91cdce 1250 posix_memalign
07b28702 1251 rdtsc
ea4d5f48 1252 sched_getaffinity
c88f5d72
MR
1253 sdl
1254 sdl_video_size
7e6a11bc 1255 SetConsoleTextAttribute
b507ebd1 1256 setmode
3e0b1c9a 1257 setrlimit
d3d3a32c 1258 Sleep
15d59d2c 1259 sndio_h
72be9e73 1260 socklen_t
deb29777 1261 soundcard_h
87958234 1262 strerror_r
6379900c 1263 strptime
47941088 1264 strtok_r
c0018613 1265 struct_addrinfo
75d339e0
MS
1266 struct_group_source_req
1267 struct_ip_mreq_source
b4d68544 1268 struct_ipv6_mreq
cdee08e3 1269 struct_pollfd
3e0b1c9a 1270 struct_rusage_ru_maxrss
b4d68544 1271 struct_sockaddr_in6
3b2372bf 1272 struct_sockaddr_sa_len
33a4dbdd 1273 struct_sockaddr_storage
a6a4793d 1274 struct_v4l2_frmivalenum_discrete
b462d132 1275 symver_asm_label
3e0b1c9a 1276 symver_gnu_asm
bcc73960 1277 sysconf
b9e22269 1278 sysctl
b58412f1 1279 sys_mman_h
06bb5905 1280 sys_param_h
b091aa44 1281 sys_resource_h
81644c2e 1282 sys_select_h
deb29777 1283 sys_soundcard_h
e64bceea 1284 sys_time_h
1b6e8b73 1285 sys_videoio_h
b265431e 1286 threads
542920b7 1287 unistd_h
d3d3a32c 1288 usleep
ce742de2 1289 vfp_args
7c5bfe7a 1290 VirtualAlloc
d3d3a32c 1291 windows_h
6ff3f3e7 1292 winsock2_h
cc078b5d 1293 xform_asm
6f74fb03 1294 xmm_clobbers
0cb78cef 1295"
44161118 1296
b6bb00b0
MR
1297# options emitted with CONFIG_ prefix but not available on command line
1298CONFIG_EXTRA="
87849592 1299 aandcttables
bfe9f48a 1300 ac3dsp
c292f6a2 1301 error_resilience
bfe9f48a 1302 gcrypt
478fd534 1303 golomb
9cad0e4e 1304 gplv3
478fd534
DB
1305 h264chroma
1306 h264dsp
1307 h264pred
915a2a0a 1308 h264qpel
478fd534 1309 huffman
9cad0e4e 1310 lgplv3
478fd534 1311 lpc
1e164c0b 1312 mpegaudio
bfe9f48a 1313 mpegaudiodsp
18bbca1f 1314 mpegvideo
ad08dfd5 1315 mpegvideoenc
bfe9f48a 1316 nettle
f704a079 1317 rangecoder
bfe9f48a
DB
1318 rtpdec
1319 sinewin
ab9f9876 1320 vp3dsp
b6bb00b0
MR
1321"
1322
520cc7f1 1323CMDLINE_SELECT="
3f5b56e5 1324 $ARCH_EXT_LIST
520cc7f1 1325 $CONFIG_LIST
fd712a55 1326 $HAVE_LIST_CMDLINE
8eee7025 1327 $THREADS_LIST
c8a4ae00 1328 asm
db6107b6 1329 cross_compile
520cc7f1
MR
1330 debug
1331 extra_warnings
8c6afa4d 1332 logging
65d12900 1333 lto
d2bbb2f7 1334 optimizations
520cc7f1 1335"
426be5dc
DB
1336
1337PATHS_LIST='
d156bede 1338 bindir
14a8acf1 1339 datadir
26759c44
MR
1340 incdir
1341 libdir
26759c44
MR
1342 mandir
1343 prefix
1344 shlibdir
426be5dc
DB
1345'
1346
1347CMDLINE_SET="
1348 $PATHS_LIST
121d78d0 1349 ar
426be5dc 1350 arch
313c46a6 1351 as
426be5dc
DB
1352 build_suffix
1353 cc
1354 cpu
1355 cross_prefix
50567afa 1356 dep_cc
ac63af34 1357 extra_version
9da6609f
MR
1358 host_cc
1359 host_cflags
095792f2 1360 host_ld
9da6609f
MR
1361 host_ldflags
1362 host_libs
82bb3329 1363 host_os
684b28e0 1364 ld
426be5dc 1365 logfile
4ae40685 1366 malloc_prefix
89641463 1367 nm
9cd7b854 1368 optflags
3f8040db 1369 pkg_config
154caa67 1370 random_seed
2fad0977 1371 samples
c5200f17
MR
1372 sysinclude
1373 sysroot
a7ada2ba 1374 target_exec
26759c44 1375 target_os
a7ada2ba 1376 target_path
aeeb782c 1377 toolchain
426be5dc 1378"
520cc7f1 1379
89f2932b
MR
1380CMDLINE_APPEND="
1381 extra_cflags
1382"
1383
912f3148
DB
1384# code dependency declarations
1385
9eeed841 1386# architecture extensions
808fa33c 1387
a2fc0f6a
MR
1388armv5te_deps="arm"
1389armv6_deps="arm"
ab5cb084 1390armv6t2_deps="arm"
808fa33c 1391neon_deps="arm"
b3267559
MR
1392vfp_deps="arm"
1393vfpv3_deps="vfp"
808fa33c 1394
637606de
MR
1395map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1396
808fa33c
MR
1397altivec_deps="ppc"
1398ppc4xx_deps="ppc"
1399
1400vis_deps="sparc"
1401
7f8c3d1f 1402x86_64_suggest="cmov fast_cmov"
50cd43f2 1403
808fa33c
MR
1404amd3dnow_deps="mmx"
1405amd3dnowext_deps="amd3dnow"
9eeed841 1406mmx_deps="x86"
239fdf1b 1407mmxext_deps="mmx"
50cd43f2
DB
1408sse_deps="mmxext"
1409sse2_deps="sse"
1410sse3_deps="sse2"
1411ssse3_deps="sse3"
1412sse4_deps="ssse3"
1413sse42_deps="sse4"
1414avx_deps="sse42"
79687079 1415fma4_deps="avx"
9eeed841 1416
43b73d59
DB
1417mmx_external_deps="yasm"
1418mmx_inline_deps="inline_asm"
1419mmx_suggest="mmx_external mmx_inline"
1420
1421for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1422 eval dep=\$${ext}_deps
1423 eval ${ext}_external_deps='"${dep}_external"'
1424 eval ${ext}_inline_deps='"${dep}_inline"'
1425 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1426done
1427
59782b82 1428aligned_stack_if_any="ppc x86"
e939cedd 1429fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
f0fe245b
MR
1430fast_clz_if_any="alpha avr32 mips ppc x86"
1431fast_unaligned_if_any="ppc x86"
669b5583 1432
6fec122a 1433inline_asm_deps="!tms470"
3e0b1c9a 1434need_memalign="altivec neon sse"
89e053f8 1435
b462d132
MR
1436symver_if_any="symver_asm_label symver_gnu_asm"
1437
88a35699
MS
1438log2_deps="!msvcrt"
1439
26fbcc85 1440# subsystems
dc609252 1441dct_select="rdft"
26fbcc85
MR
1442mdct_select="fft"
1443rdft_select="fft"
1e164c0b 1444mpegaudio_select="mpegaudiodsp"
c4f5c2d6 1445mpegaudiodsp_select="dct"
ad08dfd5 1446mpegvideoenc_select="mpegvideo"
26fbcc85 1447
5666fd73 1448# decoders / encoders / hardware accelerators
cfc2a0cf 1449aac_decoder_select="mdct sinewin"
4538729a 1450aac_encoder_select="mdct sinewin"
136e19e1 1451aac_latm_decoder_select="aac_decoder aac_latm_parser"
6d9f52b2 1452ac3_decoder_select="mdct ac3dsp ac3_parser"
a5444fee 1453ac3_encoder_select="mdct ac3dsp"
3d269059 1454ac3_fixed_encoder_select="mdct ac3dsp"
f4d608e3 1455alac_encoder_select="lpc"
b781cc12 1456amrnb_decoder_select="lsp"
2b2a597e 1457amrwb_decoder_select="lsp"
4538729a 1458atrac1_decoder_select="mdct sinewin"
26fbcc85 1459atrac3_decoder_select="mdct"
a33657ce
DB
1460binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1461binkaudio_rdft_decoder_select="mdct rdft sinewin"
18bbca1f 1462cavs_decoder_select="golomb mpegvideo"
9b500b8f 1463comfortnoise_encoder_select="lpc"
4538729a 1464cook_decoder_select="mdct sinewin"
2a91ada8 1465cscd_decoder_select="lzo"
2eef7c62 1466cscd_decoder_suggest="zlib"
26fbcc85 1467dca_decoder_select="mdct"
ad08dfd5 1468dnxhd_encoder_select="aandcttables mpegvideoenc"
2eef7c62 1469dxa_decoder_select="zlib"
baf91bb9 1470eac3_decoder_select="ac3_decoder"
4264a0dd 1471eac3_encoder_select="ac3_encoder"
69804535 1472eamad_decoder_select="aandcttables error_resilience mpegvideo"
87849592 1473eatgq_decoder_select="aandcttables"
c292f6a2 1474eatqi_decoder_select="aandcttables error_resilience mpegvideo"
f704a079
DB
1475ffv1_decoder_select="golomb rangecoder"
1476ffv1_encoder_select="rangecoder"
5a582bd3 1477ffvhuff_encoder_select="huffman"
4f034993 1478flac_decoder_select="golomb"
f4d608e3 1479flac_encoder_select="golomb lpc"
2eef7c62
AJ
1480flashsv_decoder_select="zlib"
1481flashsv_encoder_select="zlib"
c2d23309 1482flashsv2_decoder_select="zlib"
4414137e 1483flv_decoder_select="h263_decoder"
4d4b4bd1 1484flv_encoder_select="h263_encoder"
3447f12d 1485fraps_decoder_select="huffman"
c292f6a2 1486h261_decoder_select="error_resilience mpegvideo"
ad08dfd5 1487h261_encoder_select="aandcttables mpegvideoenc"
c292f6a2
DB
1488h263_decoder_select="error_resilience h263_parser mpegvideo"
1489h263_encoder_select="aandcttables error_resilience mpegvideoenc"
95a61cfc 1490h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1491h263i_decoder_select="h263_decoder"
fe629c2d 1492h263p_encoder_select="h263_encoder"
c292f6a2 1493h264_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
92c6a099
LA
1494h264_dxva2_hwaccel_deps="dxva2api_h"
1495h264_dxva2_hwaccel_select="dxva2 h264_decoder"
76718f3f 1496h264_vaapi_hwaccel_select="vaapi h264_decoder"
ac3dbb4d 1497h264_vda_hwaccel_select="vda h264_decoder"
95a61cfc 1498h264_vdpau_decoder_select="vdpau h264_decoder"
5a582bd3 1499huffyuv_encoder_select="huffman"
19be0f3c 1500iac_decoder_select="fft mdct sinewin"
56c8227d 1501imc_decoder_select="fft mdct sinewin"
4f034993
MR
1502jpegls_decoder_select="golomb"
1503jpegls_encoder_select="golomb"
ad08dfd5 1504ljpeg_encoder_select="aandcttables mpegvideoenc"
4f034993 1505loco_decoder_select="golomb"
c292f6a2 1506mdec_decoder_select="error_resilience mpegvideo"
ad08dfd5 1507mjpeg_encoder_select="aandcttables mpegvideoenc"
2cca233b 1508mlp_decoder_select="mlp_parser"
1e164c0b
DB
1509mp1_decoder_select="mpegaudio"
1510mp1float_decoder_select="mpegaudio"
1511mp2_decoder_select="mpegaudio"
1512mp2float_decoder_select="mpegaudio"
1513mp3_decoder_select="mpegaudio"
1514mp3adu_decoder_select="mpegaudio"
1515mp3adufloat_decoder_select="mpegaudio"
1516mp3float_decoder_select="mpegaudio"
1517mp3on4_decoder_select="mpegaudio"
1518mp3on4float_decoder_select="mpegaudio"
606c9297
DB
1519mpc7_decoder_select="mpegaudiodsp"
1520mpc8_decoder_select="mpegaudiodsp"
95a61cfc 1521mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
3e0b1c9a
DB
1522mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1523mpeg_xvmc_decoder_select="mpegvideo_decoder"
95a61cfc 1524mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
c292f6a2
DB
1525mpeg1video_decoder_select="error_resilience mpegvideo"
1526mpeg1video_encoder_select="aandcttables error_resilience mpegvideoenc"
164aab02
LA
1527mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1528mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
95a61cfc 1529mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
c292f6a2
DB
1530mpeg2video_decoder_select="error_resilience mpegvideo"
1531mpeg2video_encoder_select="aandcttables error_resilience mpegvideoenc"
3e0b1c9a
DB
1532mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1533mpeg4_encoder_select="h263_encoder"
95a61cfc 1534mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871 1535mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
4414137e 1536msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1537msmpeg4v1_encoder_select="h263_encoder"
4414137e 1538msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1539msmpeg4v2_encoder_select="h263_encoder"
4414137e 1540msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1541msmpeg4v3_encoder_select="h263_encoder"
ee769c6a 1542mss2_decoder_select="vc1_decoder"
4538729a
MR
1543nellymoser_decoder_select="mdct sinewin"
1544nellymoser_encoder_select="mdct sinewin"
2a91ada8 1545nuv_decoder_select="lzo"
2eef7c62
AJ
1546png_decoder_select="zlib"
1547png_encoder_select="zlib"
b781cc12 1548qcelp_decoder_select="lsp"
c4f5c2d6 1549qdm2_decoder_select="mdct rdft mpegaudiodsp"
31ed3f1f 1550ra_144_encoder_select="lpc"
9f43fdda 1551ralf_decoder_select="golomb"
a8beb22f 1552rv10_decoder_select="h263_decoder"
b2bf38b4 1553rv10_encoder_select="h263_encoder"
a8beb22f 1554rv20_decoder_select="h263_decoder"
b2bf38b4 1555rv20_encoder_select="h263_encoder"
c292f6a2
DB
1556rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1557rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
4f034993 1558shorten_decoder_select="golomb"
b781cc12 1559sipr_decoder_select="lsp"
f704a079
DB
1560snow_decoder_select="dwt rangecoder"
1561snow_encoder_select="aandcttables dwt error_resilience mpegvideoenc rangecoder"
c292f6a2
DB
1562svq1_decoder_select="error_resilience mpegvideo"
1563svq1_encoder_select="aandcttables error_resilience mpegvideoenc"
1564svq3_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
bee2eac5 1565svq3_decoder_suggest="zlib"
4eef77c1 1566theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1567tiff_decoder_suggest="zlib"
1568tiff_encoder_suggest="zlib"
aec09a00 1569truehd_decoder_select="mlp_decoder"
2eef7c62 1570tscc_decoder_select="zlib"
4538729a 1571twinvq_decoder_select="mdct lsp sinewin"
aa661113 1572utvideo_encoder_select="huffman"
915a2a0a 1573vc1_decoder_select="h263_decoder h264chroma h264qpel"
562ebc30 1574vc1_dxva2_hwaccel_deps="dxva2api_h"
f0f86627 1575vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
95a61cfc 1576vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
95a61cfc 1577vc1_vdpau_decoder_select="vdpau vc1_decoder"
45ecda85 1578vc1image_decoder_select="vc1_decoder"
26fbcc85
MR
1579vorbis_decoder_select="mdct"
1580vorbis_encoder_select="mdct"
ab9f9876
MR
1581vp3_decoder_select="vp3dsp"
1582vp5_decoder_select="vp3dsp"
1583vp6_decoder_select="huffman vp3dsp"
e82dc4c9
DB
1584vp6a_decoder_select="vp6_decoder"
1585vp6f_decoder_select="vp6_decoder"
915a2a0a 1586vp8_decoder_select="h264pred h264qpel"
4538729a
MR
1587wmapro_decoder_select="mdct sinewin"
1588wmav1_decoder_select="mdct sinewin"
1589wmav1_encoder_select="mdct sinewin"
1590wmav2_decoder_select="mdct sinewin"
1591wmav2_encoder_select="mdct sinewin"
1592wmavoice_decoder_select="lsp rdft dct mdct sinewin"
f95bfab0 1593wmv1_decoder_select="h263_decoder"
665507aa 1594wmv1_encoder_select="h263_encoder"
f95bfab0 1595wmv2_decoder_select="h263_decoder"
1746e2a9 1596wmv2_encoder_select="h263_encoder"
015f8ee0 1597wmv3_decoder_select="vc1_decoder"
f0f86627 1598wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1599wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1600wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
45ecda85 1601wmv3image_decoder_select="wmv3_decoder"
0e714f88 1602zerocodec_decoder_select="zlib"
2eef7c62
AJ
1603zlib_decoder_select="zlib"
1604zlib_encoder_select="zlib"
1605zmbv_decoder_select="zlib"
1606zmbv_encoder_select="zlib"
30fd06be 1607
0afab17e 1608vaapi_deps="va_va_h"
ac3dbb4d 1609vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
c89c96e9
MR
1610vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1611
28b80940 1612# parsers
c292f6a2
DB
1613h264_parser_select="error_resilience golomb h264dsp h264pred mpegvideo"
1614mpeg4video_parser_select="error_resilience mpegvideo"
1615mpegvideo_parser_select="error_resilience mpegvideo"
1616vc1_parser_select="error_resilience mpegvideo"
28b80940 1617
912f3148 1618# external libraries
c9171a83 1619libfaac_encoder_deps="libfaac"
37eeb5e2 1620libfdk_aac_encoder_deps="libfdk_aac"
299c77d5
MR
1621libgsm_decoder_deps="libgsm"
1622libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1623libgsm_ms_decoder_deps="libgsm"
1624libgsm_ms_encoder_deps="libgsm"
3641b048
MS
1625libilbc_decoder_deps="libilbc"
1626libilbc_encoder_deps="libilbc"
1cc60c47 1627libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1628libopencore_amrnb_decoder_deps="libopencore_amrnb"
1629libopencore_amrnb_encoder_deps="libopencore_amrnb"
1630libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1631libopenjpeg_decoder_deps="libopenjpeg"
453c02f9 1632libopenjpeg_encoder_deps="libopenjpeg"
44617d6e 1633libopus_decoder_deps="libopus"
6cb8c854 1634libopus_encoder_deps="libopus"
f7cd9eed
AS
1635libschroedinger_decoder_deps="libschroedinger"
1636libschroedinger_encoder_deps="libschroedinger"
ae14f311 1637libspeex_decoder_deps="libspeex"
b606a017 1638libspeex_encoder_deps="libspeex"
150d2772 1639libtheora_encoder_deps="libtheora"
d89e738a 1640libvo_aacenc_encoder_deps="libvo_aacenc"
f502ff3f 1641libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
b0caf888 1642libvorbis_encoder_deps="libvorbis"
8299a7f8 1643libvpx_decoder_deps="libvpx"
ee0e9146 1644libvpx_encoder_deps="libvpx"
1cc60c47 1645libx264_encoder_deps="libx264"
de295976 1646libxavs_encoder_deps="libxavs"
1cc60c47 1647libxvid_encoder_deps="libxvid"
30fd06be 1648
912f3148 1649# demuxers / muxers
c2dd0e9e 1650ac3_demuxer_select="ac3_parser"
647c2356 1651asf_stream_muxer_select="asf_muxer"
4e622dea 1652avisynth_demuxer_deps="avisynth"
c2dd0e9e 1653dirac_demuxer_select="dirac_parser"
5b423887 1654eac3_demuxer_select="ac3_parser"
c2dd0e9e 1655flac_demuxer_select="flac_parser"
647c2356 1656ipod_muxer_select="mov_muxer"
31f16dc1 1657ismv_muxer_select="mov_muxer"
647c2356 1658matroska_audio_muxer_select="matroska_muxer"
2a91ada8 1659matroska_demuxer_suggest="bzlib lzo zlib"
4e622dea 1660mov_demuxer_suggest="zlib"
c2dd0e9e 1661mp3_demuxer_select="mpegaudio_parser"
647c2356 1662mp4_muxer_select="mov_muxer"
18bbca1f 1663mpegts_muxer_select="adts_muxer latm_muxer mpegvideo"
647c2356
DB
1664mpegtsraw_demuxer_select="mpegts_demuxer"
1665mxf_d10_muxer_select="mxf_muxer"
24ca518b 1666ogg_demuxer_select="golomb"
647c2356 1667psp_muxer_select="mov_muxer"
44594cc7 1668rtp_demuxer_select="sdp_demuxer"
18bbca1f 1669rtp_muxer_select="mpegvideo"
44b70ce5
MS
1670rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1671rtsp_demuxer_select="http_protocol rtpdec"
1672rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
01c8d258 1673sap_demuxer_select="sdp_demuxer"
2aab70c4 1674sap_muxer_select="rtp_muxer rtp_protocol"
44b70ce5 1675sdp_demuxer_select="rtpdec"
e772f9fa 1676smoothstreaming_muxer_select="ismv_muxer"
f1e94694 1677spdif_muxer_select="aac_parser"
647c2356
DB
1678tg2_muxer_select="mov_muxer"
1679tgp_muxer_select="mov_muxer"
6bdaa5f4 1680w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1681
1682# indevs / outdevs
38e54a75 1683alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
38e54a75 1684alsa_outdev_deps="alsa_asoundlib_h"
38e54a75 1685bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75 1686dv1394_indev_deps="dv1394 dv_demuxer"
c6f95144 1687fbdev_indev_deps="linux_fb_h"
38e54a75 1688jack_indev_deps="jack_jack_h"
e417d80d 1689libcdio_indev_deps="libcdio"
38e54a75 1690libdc1394_indev_deps="libdc1394"
38e54a75
SS
1691oss_indev_deps_any="soundcard_h sys_soundcard_h"
1692oss_outdev_deps_any="soundcard_h sys_soundcard_h"
0de9c41f 1693pulse_indev_deps="libpulse"
15d59d2c
B
1694sndio_indev_deps="sndio_h"
1695sndio_outdev_deps="sndio_h"
38e54a75 1696v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
ec1ee802 1697vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
a1b3c5a3 1698vfwcap_indev_extralibs="-lavicap32"
24f8961f 1699x11grab_indev_deps="x11grab XShmCreateImage"
30fd06be 1700
912f3148 1701# protocols
acd554c1
SP
1702ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1703ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1704ffrtmpcrypt_protocol_select="tcp_protocol"
775c4d36
SP
1705ffrtmphttp_protocol_deps="!librtmp_protocol"
1706ffrtmphttp_protocol_select="http_protocol"
3fff6382 1707gopher_protocol_deps="network"
c40e1757
JS
1708httpproxy_protocol_deps="network"
1709httpproxy_protocol_select="tcp_protocol"
c08fb000 1710http_protocol_deps="network"
279a0c97 1711http_protocol_select="tcp_protocol"
183baead 1712https_protocol_select="tls_protocol"
c3b57d6e
DB
1713librtmp_protocol_deps="librtmp"
1714librtmpe_protocol_deps="librtmp"
1715librtmps_protocol_deps="librtmp"
1716librtmpt_protocol_deps="librtmp"
1717librtmpte_protocol_deps="librtmp"
c60a2d70 1718mmsh_protocol_select="http_protocol"
b4cf3f6c 1719mmst_protocol_deps="network"
c3b57d6e 1720rtmp_protocol_deps="!librtmp_protocol"
deeb7012 1721rtmp_protocol_select="tcp_protocol"
acd554c1 1722rtmpe_protocol_select="ffrtmpcrypt_protocol"
6aedabc9
SP
1723rtmps_protocol_deps="!librtmp_protocol"
1724rtmps_protocol_select="tls_protocol"
775c4d36 1725rtmpt_protocol_select="ffrtmphttp_protocol"
08cd95e8 1726rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
6c1ed454 1727rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
deeb7012 1728rtp_protocol_select="udp_protocol"
83c93fe7 1729sctp_protocol_deps="network struct_sctp_event_subscribe"
c08fb000 1730tcp_protocol_deps="network"
558d192d
MS
1731tls_protocol_deps_any="openssl gnutls"
1732tls_protocol_select="tcp_protocol"
c08fb000
AB
1733udp_protocol_deps="network"
1734
6ebf0bfc 1735# filters
13fabd7a 1736blackframe_filter_deps="gpl"
ce6b6ef6 1737boxblur_filter_deps="gpl"
68b79bfc 1738cropdetect_filter_deps="gpl"
b157be1f 1739delogo_filter_deps="gpl"
a5b64584 1740drawtext_filter_deps="libfreetype"
2e5ff4d0 1741frei0r_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1742frei0r_filter_extralibs='$ldl'
a42bb9d6 1743frei0r_src_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1744frei0r_src_filter_extralibs='$ldl'
a4dc7aa5 1745hqdn3d_filter_deps="gpl"
d371e7b9 1746resample_filter_deps="avresample"
cf69ad35 1747ocv_filter_deps="libopencv"
2f296e39 1748scale_filter_deps="swscale"
acbac567 1749yadif_filter_deps="gpl"
6ebf0bfc 1750
5a0f7131 1751# libraries
d89f2fa9
DB
1752avcodec_deps="avutil"
1753avdevice_deps="avutil avcodec avformat"
1754avfilter_deps="avutil"
1755avformat_deps="avutil avcodec"
1756avresample_deps="avutil"
1757swscale_deps="avutil"
f7679c54 1758
912f3148 1759# programs
54fd593a
MS
1760avconv_deps="avcodec avfilter avformat avresample swscale"
1761avconv_select="aformat_filter asyncts_filter
1762 format_filter fps_filter scale_filter setpts_filter"
d173ede1 1763avplay_deps="avcodec avformat avresample swscale sdl"
266463da 1764avplay_select="rdft"
9e12f0bf 1765avprobe_deps="avcodec avformat"
b263bf66 1766avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
4d58e4cb 1767avserver_extralibs='$ldl'
a2830dca 1768
c73f65d9 1769doc_deps="texi2html"
912f3148 1770
de6d9b64 1771# default parameters
8a608357 1772
19bd477d 1773logfile="config.log"
8a608357
MR
1774
1775# installation paths
c9d19248
MR
1776prefix_default="/usr/local"
1777bindir_default='${prefix}/bin'
6291d7e4 1778datadir_default='${prefix}/share/avconv'
c9d19248
MR
1779incdir_default='${prefix}/include'
1780libdir_default='${prefix}/lib'
1781mandir_default='${prefix}/share/man'
1782shlibdir_default="$libdir_default"
8a608357
MR
1783
1784# toolchain
121d78d0 1785ar_default="ar"
13c7df3d 1786cc_default="gcc"
9da6609f 1787host_cc_default="gcc"
4ebc6a74 1788cp_f="cp -f"
11e6d03a 1789ln_s="ln -sf"
2a8a860a 1790nm_default="nm -g"
11e6d03a 1791objformat="elf"
3f8040db 1792pkg_config_default=pkg-config
be7109c1 1793ranlib="ranlib"
11e6d03a 1794yasmexe="yasm"
8a608357 1795
3e0b1c9a 1796nogas=":"
8182dc34 1797
8a608357 1798# machine
8d4c00ed 1799arch_default=$(uname -m)
38d0a8aa 1800cpu="generic"
8a608357 1801
8a608357 1802# OS
8d4c00ed
MR
1803target_os_default=$(tolower $(uname -s))
1804host_os=$target_os_default
8a608357 1805
8a608357 1806# configurable options
d89f2fa9 1807enable $LIBRARY_LIST $PROGRAM_LIST
3e0b1c9a 1808
3e0b1c9a
DB
1809enable asm
1810enable debug
1811enable doc
497237c7 1812enable network
8400d6b8 1813enable optimizations
8cfbbd92 1814enable safe_bitstream_reader
530dc538 1815enable static
a9ddb5b1 1816enable swscale_alpha
8a608357 1817
8a608357 1818# build settings
9987769a 1819SHFLAGS='-shared -Wl,-soname,$$(@F)'
4d58e4cb 1820AVSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1821LIBPREF="lib"
1822LIBSUF=".a"
c5f14466
RP
1823FULLNAME='$(NAME)$(BUILDSUF)'
1824LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1825SLIBPREF="lib"
1826SLIBSUF=".so"
c5f14466 1827SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1828SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1829SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1830LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2f138f0b
MR
1831SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1832SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
ef0bc4c9 1833
68485d1f
MR
1834asflags_filter=echo
1835cflags_filter=echo
64933b6c
MR
1836ldflags_filter=echo
1837
23565c26 1838AS_C='-c'
bc877faf 1839AS_O='-o $@'
23565c26 1840CC_C='-c'
18031c49 1841CC_E='-E -o $@'
7e6c86e6 1842CC_O='-o $@'
a758c5e2 1843LD_O='-o $@'
8db73c61
MR
1844LD_LIB='-l%'
1845LD_PATH='-L'
23565c26 1846HOSTCC_C='-c'
a758c5e2 1847HOSTCC_O='-o $@'
095792f2 1848HOSTLD_O='-o $@'
7e6c86e6 1849
1d01fee9 1850host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
9da6609f 1851host_libs='-lm'
6c3fa06a
MR
1852host_cflags_filter=echo
1853host_ldflags_filter=echo
9da6609f 1854
9b861379 1855target_path='$(CURDIR)'
a7ada2ba 1856
a158446b
MR
1857# since the object filename is not given with the -MM flag, the compiler
1858# is only able to print the basename, and we must add the path ourselves
a758c5e2
MR
1859DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1860DEPFLAGS='-MM'
315c741d 1861
c597172e 1862# find source path
24524f36 1863if test -f configure; then
f038cf3c 1864 source_path=.
c597172e 1865else
8477f2de 1866 source_path=$(cd $(dirname "$0"); pwd)
c597172e 1867 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1868 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1869 test -e "$source_path/config.h" &&
1870 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1871fi
1872
13cbe2c0 1873for v in "$@"; do
b04251c5
MR
1874 r=${v#*=}
1875 l=${v%"$r"}
1876 r=$(sh_quote "$r")
29ba0911 1877 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
13cbe2c0 1878done
c597172e 1879
73ef8980
MR
1880find_things(){
1881 thing=$1
1882 pattern=$2
1883 file=$source_path/$3
932ccf39 1884 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1885}
1886
1887ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1888DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1889HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1890PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1891BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1892MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1893DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1894OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1895INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1896PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1897FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1898
54e75be4
DB
1899ALL_COMPONENTS="
1900 $BSF_LIST
1901 $DECODER_LIST
1902 $DEMUXER_LIST
1903 $ENCODER_LIST
1904 $FILTER_LIST
1905 $HWACCEL_LIST
1906 $INDEV_LIST
1907 $MUXER_LIST
1908 $OUTDEV_LIST
1909 $PARSER_LIST
1910 $PROTOCOL_LIST
1911"
1912
8469ae22
MR
1913for n in $COMPONENT_LIST; do
1914 v=$(toupper ${n%s})_LIST
1915 eval enable \$$v
1916 eval ${n}_if_any="\$$v"
1917done
1918
4b587848
DB
1919disable snow_decoder snow_encoder
1920
206a070d 1921enable $ARCH_EXT_LIST
c597172e
MR
1922
1923die_unknown(){
1924 echo "Unknown option \"$1\"."
1925 echo "See $0 --help for available options."
1926 exit 1
1927}
1928
794f8e97 1929show_list() {
bf0c4afa
RP
1930 suffix=_$1
1931 shift
2b444ea7 1932 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1933 exit 0
1934}
1935
154caa67
MR
1936rand_list(){
1937 IFS=', '
1938 set -- $*
1939 unset IFS
1940 for thing; do
1941 comp=${thing%:*}
1942 prob=${thing#$comp}
1943 prob=${prob#:}
1944 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
1945 echo "prob ${prob:-0.5}"
1946 printf '%s\n' $comp
1947 done
1948}
1949
1950do_random(){
1951 action=$1
1952 shift
1953 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
1954 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
1955}
1956
c597172e 1957for opt do
7483e694
DB
1958 optval="${opt#*=}"
1959 case "$opt" in
7e9e7cc2
MR
1960 --extra-ldflags=*) add_ldflags $optval
1961 ;;
1962 --extra-libs=*) add_extralibs $optval
1963 ;;
1964 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1965 ;;
1966 --enable-debug=*) debuglevel="$optval"
1967 ;;
1968 --disable-programs)
1969 disable $PROGRAM_LIST
1970 ;;
1971 --disable-everything)
1972 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1973 ;;
1974 --enable-random|--disable-random)
1975 action=${opt%%-random}
1976 do_random ${action#--} $COMPONENT_LIST
1977 ;;
1978 --enable-random=*|--disable-random=*)
1979 action=${opt%%-random=*}
1980 do_random ${action#--} $optval
1981 ;;
1982 --enable-*=*|--disable-*=*)
1983 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1984 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1985 eval list=\$$(toupper $thing)_LIST
1986 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1987 $action $(filter "$name" $list)
1988 ;;
1989 --enable-?*|--disable-?*)
1990 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1991 if is_in $option $COMPONENT_LIST; then
1992 test $action = disable && action=unset
1993 eval $action \$$(toupper ${option%s})_LIST
1994 elif is_in $option $CMDLINE_SELECT; then
1995 $action $option
1996 else
1997 die_unknown $opt
1998 fi
1999 ;;
2000 --list-*)
2001 NAME="${opt#--list-}"
2002 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2003 NAME=${NAME%s}
2004 eval show_list $NAME \$$(toupper $NAME)_LIST
2005 ;;
2006 --help|-h) show_help
2007 ;;
2008 *)
2009 optname="${opt%%=*}"
2010 optname="${optname#--}"
2011 optname=$(echo "$optname" | sed 's/-/_/g')
2012 if is_in $optname $CMDLINE_SET; then
2013 eval $optname='$optval'
2014 elif is_in $optname $CMDLINE_APPEND; then
2015 append $optname "$optval"
2016 else
2017 die_unknown $opt
2018 fi
2019 ;;
7483e694 2020 esac
c597172e
MR
2021done
2022
bcea99bb
MR
2023disabled logging && logfile=/dev/null
2024
29ba0911 2025echo "# $0 $LIBAV_CONFIGURATION" > $logfile
bcea99bb
MR
2026set >> $logfile
2027
9da6609f
MR
2028test -n "$cross_prefix" && enable cross_compile
2029
8d4c00ed
MR
2030if enabled cross_compile; then
2031 test -n "$arch" && test -n "$target_os" ||
2032 die "Must specify target arch and OS when cross-compiling"
2033fi
2034
121d78d0 2035ar_default="${cross_prefix}${ar_default}"
11e6d03a 2036cc_default="${cross_prefix}${cc_default}"
20e0ed95 2037nm_default="${cross_prefix}${nm_default}"
3f8040db 2038pkg_config_default="${cross_prefix}${pkg_config_default}"
adb2b908 2039ranlib="${cross_prefix}${ranlib}"
adb2b908 2040
c5200f17
MR
2041sysinclude_default="${sysroot}/usr/include"
2042
aeeb782c 2043case "$toolchain" in
0fbb62a8
LB
2044 clang-asan)
2045 cc_default="clang"
2046 add_cflags -faddress-sanitizer
2047 add_ldflags -faddress-sanitizer
2048 ;;
2049 clang-tsan)
2050 cc_default="clang"
2051 add_cflags -fthread-sanitizer
2052 add_ldflags -fthread-sanitizer
2053 ;;
aeeb782c
MR
2054 msvc)
2055 cc_default="c99wrap cl"
2056 ld_default="c99wrap link"
2057 nm_default="dumpbin -symbols"
ac3a9b51 2058 ar_default="lib"
53e8cd68 2059 target_os_default="win32"
aeeb782c
MR
2060 ;;
2061 ?*)
2062 die "Unknown toolchain $toolchain"
2063 ;;
2064esac
2065
53e8cd68 2066set_default arch cc pkg_config sysinclude target_os
9da6609f
MR
2067enabled cross_compile || host_cc_default=$cc
2068set_default host_cc
13c7df3d 2069
762f95e4
MR
2070if ! $pkg_config --version >/dev/null 2>&1; then
2071 warn "$pkg_config not found, library detection may fail."
2072 pkg_config=false
2073fi
2074
82bb3329
MR
2075exesuf() {
2076 case $1 in
53e8cd68 2077 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
82bb3329
MR
2078 esac
2079}
2080
2081EXESUF=$(exesuf $target_os)
2082HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 2083
e4e69e0b 2084# set temporary file name
a49d42c2 2085: ${TMPDIR:=$TEMPDIR}
c51fafa1 2086: ${TMPDIR:=$TMP}
a49d42c2 2087: ${TMPDIR:=/tmp}
e4e69e0b 2088
a210bce2 2089if ! check_cmd mktemp -u XXXXXX; then
54460a83
MR
2090 # simple replacement for missing mktemp
2091 # NOT SAFE FOR GENERAL USE
2092 mktemp(){
09a5c245 2093 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
54460a83
MR
2094 }
2095fi
2096
2097tmpfile(){
2098 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2099 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 2100 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
2101 append TMPFILES $tmp
2102 eval $1=$tmp
2103}
2104
2105trap 'rm -f -- $TMPFILES' EXIT
54460a83 2106
55127e7b 2107tmpfile TMPASM .asm
3e0b1c9a
DB
2108tmpfile TMPC .c
2109tmpfile TMPE $EXESUF
2110tmpfile TMPH .h
2111tmpfile TMPO .o
2112tmpfile TMPS .S
2113tmpfile TMPSH .sh
2114tmpfile TMPV .ver
54460a83
MR
2115
2116unset -f mktemp
e4e69e0b 2117
fb3c4ffc
MR
2118chmod +x $TMPE
2119
993f2d0f
MR
2120# make sure we can execute files in $TMPDIR
2121cat > $TMPSH 2>> $logfile <<EOF
2122#! /bin/sh
2123EOF
2124chmod +x $TMPSH >> $logfile 2>&1
2125if ! $TMPSH >> $logfile 2>&1; then
2126 cat <<EOF
2127Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2128variable to another directory and make sure that it is not mounted noexec.
2129EOF
2130 die "Sanity test failed."
2131fi
993f2d0f 2132
457cc333
MR
2133ccc_flags(){
2134 for flag; do
2135 case $flag in
2136 -std=c99) echo -c99 ;;
2137 -mcpu=*) echo -arch ${flag#*=} ;;
2138 -mieee) echo -ieee ;;
2139 -O*|-fast) echo $flag ;;
2140 -fno-math-errno) echo -assume nomath_errno ;;
2141 -g) echo -g3 ;;
2142 -Wall) echo -msg_enable level2 ;;
2143 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2144 -Wl,*) echo $flag ;;
2145 -f*|-W*) ;;
2146 *) echo $flag ;;
2147 esac
2148 done
2149}
2150
dfa559bc
RB
2151msvc_flags(){
2152 for flag; do
2153 case $flag in
2154 -fomit-frame-pointer) echo -Oy ;;
2155 -g) echo -Z7 ;;
2156 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2157 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
4a185ed2 2158 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
d66c52c2 2159 -wd4996 -wd4273 ;;
dfa559bc
RB
2160 -std=c99) ;;
2161 -fno-math-errno) ;;
2162 -fno-common) ;;
2163 -fno-signed-zeros) ;;
2164 -lz) echo zlib.lib ;;
bd680c7b
DB
2165 -lavifil32) echo vfw32.lib ;;
2166 -lavicap32) echo vfw32.lib user32.lib ;;
dfa559bc
RB
2167 -l*) echo ${flag#-l}.lib ;;
2168 *) echo $flag ;;
2169 esac
2170 done
2171}
2172
d0c6d424
MR
2173pgi_flags(){
2174 for flag; do
2175 case $flag in
643933f5 2176 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
d0c6d424
MR
2177 -fomit-frame-pointer) echo -Mnoframe ;;
2178 -g) echo -gopt ;;
2179 *) echo $flag ;;
2180 esac
2181 done
2182}
2183
2184suncc_flags(){
2185 for flag; do
2186 case $flag in
2187 -march=*|-mcpu=*)
2188 case "${flag#*=}" in
2189 native) echo -xtarget=native ;;
2190 v9|niagara) echo -xarch=sparc ;;
2191 ultrasparc) echo -xarch=sparcvis ;;
2192 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2193 i586|pentium) echo -xchip=pentium ;;
2194 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2195 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2196 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2197 pentium4*) echo -xtarget=pentium4 ;;
2198 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2199 *-sse3) echo -xarch=sse3 ;;
2200 core2) echo -xarch=ssse3 -xchip=core2 ;;
f2ce813e
SM
2201 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2202 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
b36f87ff 2203 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
d0c6d424
MR
2204 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2205 k8|opteron|athlon64|athlon-fx)
2206 echo -xarch=sse2a ;;
2207 athlon*) echo -xarch=pentium_proa ;;
2208 esac
2209 ;;
2210 -std=c99) echo -xc99 ;;
2211 -fomit-frame-pointer) echo -xregs=frameptr ;;
2212 -fPIC) echo -KPIC -xcode=pic32 ;;
2213 -W*,*) echo $flag ;;
2214 -f*-*|-W*) ;;
2215 *) echo $flag ;;
2216 esac
2217 done
2218}
2219
2220tms470_flags(){
2221 for flag; do
2222 case $flag in
2223 -march=*|-mcpu=*)
2224 case "${flag#*=}" in
2225 armv7-a|cortex-a*) echo -mv=7a8 ;;
2226 armv7-r|cortex-r*) echo -mv=7r4 ;;
2227 armv7-m|cortex-m*) echo -mv=7m3 ;;
2228 armv6*|arm11*) echo -mv=6 ;;
2229 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2230 echo -mv=5e ;;
2231 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2232 esac
2233 ;;
2234 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2235 -mfpu=vfp) echo --float_support=vfpv2 ;;
2236 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
b5198a26 2237 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
d0c6d424
MR
2238 -msoft-float) echo --float_support=vfplib ;;
2239 -O[0-3]|-mf=*) echo $flag ;;
2240 -g) echo -g -mn ;;
2241 -pds=*) echo $flag ;;
ad93dccb
MR
2242 -D*|-I*) echo $flag ;;
2243 --gcc|--abi=*) echo $flag ;;
2244 -me) echo $flag ;;
d0c6d424
MR
2245 esac
2246 done
2247}
2248
a758c5e2
MR
2249probe_cc(){
2250 pfx=$1
2251 _cc=$2
2252
8db73c61
MR
2253 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2254 unset _ld_o _ldflags _ld_lib _ld_path
18031c49 2255 unset _depflags _DEPCMD _DEPFLAGS
a758c5e2
MR
2256 _flags_filter=echo
2257
2258 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2259 _type=llvm_gcc
2260 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2261 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2262 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2263 _cflags_speed='-O3'
2264 _cflags_size='-Os'
2265 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2266 _type=gcc
2267 gcc_version=$($_cc --version | head -n1)
2268 gcc_basever=$($_cc -dumpversion)
2269 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2270 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2271 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2272 if ! $_cc -dumpversion | grep -q '^2\.'; then
2273 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2274 fi
2275 _cflags_speed='-O3'
2276 _cflags_size='-Os'
2277 elif $_cc --version 2>/dev/null | grep -q Intel; then
2278 _type=icc
2279 _ident=$($_cc --version | head -n1)
2280 _depflags='-MMD'
2281 _cflags_speed='-O3'
2282 _cflags_size='-Os'
2283 _cflags_noopt='-O1'
2284 elif $_cc -v 2>&1 | grep -q xlc; then
2285 _type=xlc
2286 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2287 _cflags_speed='-O5'
2288 _cflags_size='-O5 -qcompact'
2289 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2290 _type=ccc
2291 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2292 _DEPFLAGS='-M'
a758c5e2
MR
2293 _cflags_speed='-fast'
2294 _cflags_size='-O1'
457cc333 2295 _flags_filter=ccc_flags
a758c5e2
MR
2296 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2297 test -d "$sysroot" || die "No valid sysroot specified."
2298 _type=armcc
2299 _ident=$($_cc --vsn | head -n1)
2300 armcc_conf="$PWD/armcc.conf"
2301 $_cc --arm_linux_configure \
2302 --arm_linux_config_file="$armcc_conf" \
2303 --configure_sysroot="$sysroot" \
2304 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2305 die "Error creating armcc configuration file."
2306 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2307 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2308 as_default="${cross_prefix}gcc"
2309 _depflags='-MMD'
2310 _cflags_speed='-O3'
2311 _cflags_size='-Os'
0122118e 2312 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
a758c5e2
MR
2313 _type=tms470
2314 _ident=$($_cc -version | head -n1 | tr -s ' ')
2315 _flags='--gcc --abi=eabi -me'
18031c49 2316 _cc_e='-ppl -fe=$@'
a758c5e2 2317 _cc_o='-fe=$@'
a758c5e2
MR
2318 _depflags='-ppa -ppd=$(@:.o=.d)'
2319 _cflags_speed='-O3 -mf=5'
2320 _cflags_size='-O3 -mf=2'
2321 _flags_filter=tms470_flags
2322 elif $_cc -v 2>&1 | grep -q clang; then
2323 _type=clang
2324 _ident=$($_cc --version | head -n1)
2325 _depflags='-MMD'
2326 _cflags_speed='-O3'
2327 _cflags_size='-Os'
2328 elif $_cc -V 2>&1 | grep -q Sun; then
2329 _type=suncc
2330 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2331 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
c72f12cb 2332 _DEPFLAGS='-xM1 -xc99'
a758c5e2
MR
2333 _ldflags='-std=c99'
2334 _cflags_speed='-O5'
2335 _cflags_size='-O5 -xspace'
2336 _flags_filter=suncc_flags
2337 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2338 _type=pathscale
2339 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2340 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2341 _cflags_speed='-O2'
2342 _cflags_size='-Os'
2343 _flags_filter='filter_out -Wdisabled-optimization'
2344 elif $_cc -v 2>&1 | grep -q Open64; then
2345 _type=open64
2346 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2347 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2348 _cflags_speed='-O2'
2349 _cflags_size='-Os'
2350 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2351 elif $_cc -V 2>&1 | grep -q Portland; then
2352 _type=pgi
2353 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
8f23907f 2354 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
a758c5e2
MR
2355 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2356 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2357 _cflags_noopt="-O1"
2358 _flags_filter=pgi_flags
dfa559bc
RB
2359 elif $_cc 2>&1 | grep -q Microsoft; then
2360 _type=msvc
2361 _ident=$($cc 2>&1 | head -n1)
2362 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2363 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2364 _cflags_speed="-O2"
2365 _cflags_size="-O1"
2366 # Nonstandard output options, to avoid msys path conversion issues, relies on wrapper to remap it
2367 if $_cc 2>&1 | grep -q Linker; then
2368 _ld_o='-out $@'
2369 else
2370 _ld_o='-Fe$@'
2371 fi
2372 _cc_o='-Fo $@'
a224b2cb 2373 _cc_e='-P -Fi $@'
dfa559bc
RB
2374 _flags_filter=msvc_flags
2375 _ld_lib='lib%.a'
2376 _ld_path='-libpath:'
2377 _flags='-nologo'
2378 _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2379 if [ $pfx = hostcc ]; then
6a0200f2 2380 append _cflags -Dsnprintf=_snprintf
dfa559bc 2381 fi
aef6bd1b 2382 fi
a758c5e2
MR
2383
2384 eval ${pfx}_type=\$_type
2385 eval ${pfx}_ident=\$_ident
2386}
2387
2388set_ccvars(){
23565c26 2389 eval ${1}_C=\${_cc_c-\${${1}_C}}
18031c49 2390 eval ${1}_E=\${_cc_e-\${${1}_E}}
a758c5e2
MR
2391 eval ${1}_O=\${_cc_o-\${${1}_O}}
2392
2393 if [ -n "$_depflags" ]; then
2394 eval ${1}_DEPFLAGS=\$_depflags
2395 else
2396 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2397 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2398 eval DEP${1}FLAGS=\$_flags
2399 fi
2400}
2401
2402probe_cc cc "$cc"
2403cflags_filter=$_flags_filter
2404cflags_speed=$_cflags_speed
2405cflags_size=$_cflags_size
2406cflags_noopt=$_cflags_noopt
2407add_cflags $_flags $_cflags
2408cc_ldflags=$_ldflags
2409set_ccvars CC
2410
2411probe_cc hostcc "$host_cc"
2412host_cflags_filter=$_flags_filter
a758c5e2 2413add_host_cflags $_flags $_cflags
a758c5e2 2414set_ccvars HOSTCC
629687f6 2415
851ffa80
MR
2416test -n "$cc_type" && enable $cc_type ||
2417 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 2418
75bafbac 2419: ${as_default:=$cc}
50567afa 2420: ${dep_cc_default:=$cc}
684b28e0 2421: ${ld_default:=$cc}
095792f2
MR
2422: ${host_ld_default:=$host_cc}
2423set_default ar as dep_cc ld host_ld
75800dce 2424
a758c5e2
MR
2425probe_cc as "$as"
2426asflags_filter=$_flags_filter
2427add_asflags $_flags $_cflags
2428set_ccvars AS
2429
2430probe_cc ld "$ld"
2431ldflags_filter=$_flags_filter
2432add_ldflags $_flags $_ldflags
2433test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2763587c 2434LD_O=${_ld_o-$LD_O}
8db73c61
MR
2435LD_LIB=${_ld_lib-$LD_LIB}
2436LD_PATH=${_ld_path-$LD_PATH}
a758c5e2 2437
095792f2
MR
2438probe_cc hostld "$host_ld"
2439host_ldflags_filter=$_flags_filter
2440add_host_ldflags $_flags $_ldflags
2441HOSTLD_O=${_ld_o-$HOSTLD_O}
2442
a758c5e2
MR
2443if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2444 probe_cc depcc "$dep_cc"
2445 CCDEP=${_DEPCMD:-$DEPCMD}
2446 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2447 DEPCCFLAGS=$_flags
2448fi
07dec06e 2449
3dbc777c
MR
2450if $ar 2>&1 | grep -q Microsoft; then
2451 arflags="-nologo"
2452 ar_o='-out:$@'
2453elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2454 arflags="rq"
2455 ar_o='$@'
2456else
2457 arflags="rc"
2458 ar_o='$@'
2459fi
2460
7f32f40c 2461add_cflags $extra_cflags
2f2e6c7c 2462add_asflags $extra_cflags
7f32f40c 2463
154d432c
MR
2464if test -n "$sysroot"; then
2465 case "$cc_type" in
00ba041c 2466 gcc|llvm_gcc|clang)
467256f2 2467 add_cppflags --sysroot="$sysroot"
154d432c
MR
2468 add_ldflags --sysroot="$sysroot"
2469 ;;
6fec122a
MR
2470 tms470)
2471 add_cppflags -I"$sysinclude"
2472 add_ldflags --sysroot="$sysroot"
2473 ;;
154d432c
MR
2474 esac
2475fi
2476
d22c13a8
MR
2477if test "$cpu" = host; then
2478 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2479
2480 case "$cc_type" in
613a4e3f 2481 gcc|llvm_gcc)
d22c13a8
MR
2482 check_native(){
2483 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
b695256e 2484 sed -n "/cc1.*$1=/{
27ce1be8
MR
2485 s/.*$1=\\([^ ]*\\).*/\\1/
2486 p
2487 q
2488 }" $TMPE
d22c13a8
MR
2489 }
2490 cpu=$(check_native -march || check_native -mcpu)
2491 ;;
2492 esac
2493
2494 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2495fi
2496
e939cedd
MR
2497# Deal with common $arch aliases
2498case "$arch" in
5873b623
MR
2499 aarch64|arm64)
2500 arch="aarch64"
2501 ;;
e939cedd
MR
2502 arm*)
2503 arch="arm"
2504 ;;
2acda282 2505 mips*|IP*)
e939cedd
MR
2506 arch="mips"
2507 ;;
a6e9d649 2508 parisc*|hppa*)
e939cedd
MR
2509 arch="parisc"
2510 ;;
56203596 2511 "Power Macintosh"|ppc*|powerpc*)
e939cedd
MR
2512 arch="ppc"
2513 ;;
e939cedd
MR
2514 s390|s390x)
2515 arch="s390"
2516 ;;
2517 sh4|sh)
2518 arch="sh4"
2519 ;;
4cd217c0 2520 sun4u|sparc*)
e939cedd 2521 arch="sparc"
e939cedd 2522 ;;
c75848cd
DB
2523 tilegx|tile-gx)
2524 arch="tilegx"
2525 ;;
d33ed7b3 2526 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
e939cedd
MR
2527 arch="x86"
2528 ;;
2529esac
2530
851ffa80 2531is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 2532enable $arch
e939cedd 2533
df5cdc24 2534# Add processor-specific flags
9ebd45c2 2535if enabled aarch64; then
33db40f8
MR
2536
2537 case $cpu in
2538 armv*)
2539 cpuflags="-march=$cpu"
2540 ;;
2541 *)
2542 cpuflags="-mcpu=$cpu"
2543 ;;
2544 esac
2545
2546elif enabled alpha; then
2547
2548 cpuflags="-mcpu=$cpu"
2549
2550elif enabled arm; then
2551
1234c66a
MR
2552 check_arm_arch() {
2553 check_cpp_condition stddef.h \
2554 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
2555 $cpuflags
2556 }
2557
2558 probe_arm_arch() {
2559 if check_arm_arch 4; then echo armv4;
2560 elif check_arm_arch 4T; then echo armv4t;
2561 elif check_arm_arch 5; then echo armv5;
2562 elif check_arm_arch 5E; then echo armv5e;
2563 elif check_arm_arch 5T; then echo armv5t;
2564 elif check_arm_arch 5TE; then echo armv5te;
2565 elif check_arm_arch 5TEJ; then echo armv5te;
2566 elif check_arm_arch 6; then echo armv6;
2567 elif check_arm_arch 6J; then echo armv6j;
2568 elif check_arm_arch 6K; then echo armv6k;
2569 elif check_arm_arch 6Z; then echo armv6z;
2570 elif check_arm_arch 6ZK; then echo armv6zk;
2571 elif check_arm_arch 6T2; then echo armv6t2;
2572 elif check_arm_arch 7; then echo armv7;
2573 elif check_arm_arch 7A 7_A; then echo armv7-a;
2574 elif check_arm_arch 7R 7_R; then echo armv7-r;
2575 elif check_arm_arch 7M 7_M; then echo armv7-m;
2576 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
2577 elif check_arm_arch 8A 8_A; then echo armv8-a;
2578 fi
2579 }
2580
2581 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
2582
33db40f8
MR
2583 case $cpu in
2584 armv*)
2585 cpuflags="-march=$cpu"
2586 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2587 ;;
2588 *)
2589 cpuflags="-mcpu=$cpu"
2590 case $cpu in
2591 cortex-a*) subarch=armv7a ;;
2592 cortex-r*) subarch=armv7r ;;
2593 cortex-m*) enable thumb; subarch=armv7m ;;
2594 arm11*) subarch=armv6 ;;
2595 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2596 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
1234c66a 2597 *) subarch=$(probe_arm_arch) ;;
33db40f8
MR
2598 esac
2599 ;;
2600 esac
2601
f0fe245b
MR
2602 case "$subarch" in
2603 armv5t*) enable fast_clz ;;
2604 armv[6-8]*) enable fast_clz fast_unaligned ;;
2605 esac
2606
33db40f8
MR
2607elif enabled avr32; then
2608
2609 case $cpu in
2610 ap7[02]0[0-2])
2611 subarch="avr32_ap"
2612 cpuflags="-mpart=$cpu"
2613 ;;
2614 ap)
2615 subarch="avr32_ap"
2616 cpuflags="-march=$cpu"
2617 ;;
2618 uc3[ab]*)
2619 subarch="avr32_uc"
2620 cpuflags="-mcpu=$cpu"
2621 ;;
2622 uc)
2623 subarch="avr32_uc"
2624 cpuflags="-march=$cpu"
2625 ;;
2626 esac
2627
2628elif enabled bfin; then
2629
2630 cpuflags="-mcpu=$cpu"
2631
2632elif enabled mips; then
2633
2634 cpuflags="-march=$cpu"
2635
5d54c126 2636elif enabled ppc; then
343aef9b 2637
56348891
MR
2638 case $(tolower $cpu) in
2639 601|ppc601|powerpc601)
9dbd5c3d 2640 cpuflags="-mcpu=601"
64ad53ff 2641 disable altivec
9dbd5c3d 2642 ;;
56348891 2643 603*|ppc603*|powerpc603*)
9dbd5c3d 2644 cpuflags="-mcpu=603"
64ad53ff 2645 disable altivec
9dbd5c3d 2646 ;;
56348891 2647 604*|ppc604*|powerpc604*)
9dbd5c3d 2648 cpuflags="-mcpu=604"
64ad53ff 2649 disable altivec
9dbd5c3d 2650 ;;
56348891 2651 g3|75*|ppc75*|powerpc75*)
7f1fcaf0 2652 cpuflags="-mcpu=750"
64ad53ff 2653 disable altivec
9dbd5c3d 2654 ;;
56348891 2655 g4|745*|ppc745*|powerpc745*)
7f1fcaf0 2656 cpuflags="-mcpu=7450"
9dbd5c3d 2657 ;;
56348891 2658 74*|ppc74*|powerpc74*)
7f1fcaf0 2659 cpuflags="-mcpu=7400"
9dbd5c3d 2660 ;;
313f9fbf 2661 g5|970|ppc970|powerpc970)
7f1fcaf0 2662 cpuflags="-mcpu=970"
9dbd5c3d 2663 ;;
313f9fbf 2664 power[3-7]*)
7f1fcaf0 2665 cpuflags="-mcpu=$cpu"
313f9fbf 2666 ;;
56348891 2667 cell)
9dbd5c3d
MR
2668 cpuflags="-mcpu=cell"
2669 enable ldbrx
2670 ;;
4ab26cb4
DB
2671 e500mc)
2672 cpuflags="-mcpu=e500mc"
2673 disable altivec
2674 ;;
7b0b81a1
AL
2675 e500v2)
2676 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2677 disable altivec
2678 ;;
2679 e500)
2680 cpuflags="-mcpu=8540 -mhard-float"
2681 disable altivec
2682 ;;
9dbd5c3d 2683 esac
343aef9b 2684
33db40f8
MR
2685elif enabled sparc; then
2686
2687 case $cpu in
2688 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
2689 cpuflags="-mcpu=$cpu"
2690 disable vis
2691 ;;
2692 ultrasparc*|niagara[234])
2693 cpuflags="-mcpu=$cpu"
2694 ;;
2695 esac
2696
343aef9b
MR
2697elif enabled x86; then
2698
9dbd5c3d
MR
2699 case $cpu in
2700 i[345]86|pentium)
2701 cpuflags="-march=$cpu"
2702 disable mmx
2703 ;;
2704 # targets that do NOT support conditional mov (cmov)
2705 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2706 cpuflags="-march=$cpu"
2707 disable cmov
2708 ;;
2709 # targets that do support conditional mov (cmov)
f2ce813e 2710 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
9dbd5c3d
MR
2711 cpuflags="-march=$cpu"
2712 enable cmov
2713 enable fast_cmov
2714 ;;
2715 # targets that do support conditional mov but on which it's slow
2716 pentium4|pentium4m|prescott|nocona)
2717 cpuflags="-march=$cpu"
2718 enable cmov
2719 disable fast_cmov
2720 ;;
2721 esac
343aef9b 2722
343aef9b
MR
2723fi
2724
9ebd45c2
MR
2725if [ "$cpu" != generic ]; then
2726 add_cflags $cpuflags
2727 add_asflags $cpuflags
2728fi
df5cdc24 2729
993f2d0f
MR
2730# compiler sanity check
2731check_exec <<EOF
2732int main(void){ return 0; }
2733EOF
2734if test "$?" != 0; then
2735 echo "$cc is unable to create an executable file."
2736 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2737 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2738 echo "Only do this if you know what cross compiling means."
2739 fi
2740 die "C compiler test failed."
2741fi
2742
046f081b 2743add_cppflags -D_ISOC99_SOURCE
e9b9a2f8 2744check_cflags -std=c99
50a334e4 2745check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2746#include <stdlib.h>
2747EOF
50a334e4 2748check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2749#include <stdlib.h>
2750EOF
e9b9a2f8 2751
f0125de9 2752check_host_cflags -std=c99
0a6db2a2 2753check_host_cflags -Wall
f0125de9 2754
d4c99513
MR
2755check_64bit(){
2756 arch32=$1
2757 arch64=$2
2758 expr=$3
2759 check_code cc "" "int test[2*($expr) - 1]" &&
2760 subarch=$arch64 || subarch=$arch32
2761}
2762
b24dbcbd 2763case "$arch" in
4cd217c0 2764 alpha|ia64)
2acda282
MR
2765 spic=$shared
2766 ;;
2767 mips)
2768 check_64bit mips mips64 '_MIPS_SIM > 1'
8a3c8627 2769 spic=$shared
b24dbcbd 2770 ;;
a6e9d649
MR
2771 parisc)
2772 check_64bit parisc parisc64 'sizeof(void *) > 4'
2773 spic=$shared
2774 ;;
56203596
MR
2775 ppc)
2776 check_64bit ppc ppc64 'sizeof(void *) > 4'
1944d532 2777 spic=$shared
56203596 2778 ;;
4cd217c0
MR
2779 sparc)
2780 check_64bit sparc sparc64 'sizeof(void *) > 4'
2781 spic=$shared
2782 ;;
e939cedd 2783 x86)
d4c99513 2784 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
de27f4d9 2785 if test "$subarch" = "x86_64"; then
e939cedd 2786 spic=$shared
de27f4d9 2787 fi
b24dbcbd 2788 ;;
b24dbcbd
RP
2789esac
2790
343aef9b 2791enable $subarch
8a3c8627 2792enabled spic && enable pic
b24dbcbd 2793
7483e694 2794# OS specific
4f854758 2795case $target_os in
a1629e28 2796 haiku)
63ae7e7c 2797 prefix_default="/boot/common"
108caaaa 2798 network_extralibs="-lnetwork"
f59c4bd6 2799 host_libs=
a1629e28 2800 ;;
7483e694 2801 sunos)
4d58e4cb 2802 AVSERVERLDFLAGS=""
9987769a 2803 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2804 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2805 network_extralibs="-lsocket -lnsl"
779222db 2806 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
87a74f47
SM
2807 # When using suncc to build, the Solaris linker will mark
2808 # an executable with each instruction set encountered by
2809 # the Solaris assembler. As our libraries contain their own
2810 # guards for processor-specific code, instead suppress
2811 # generation of the HWCAPS ELF section on Solaris x86 only.
2812 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2a8a860a 2813 nm_default='nm -P -g'
7483e694
DB
2814 ;;
2815 netbsd)
a1e4b3f6 2816 disable symver
07a8eef6
MR
2817 oss_indev_extralibs="-lossaudio"
2818 oss_outdev_extralibs="-lossaudio"
7483e694 2819 ;;
d488c3bc 2820 openbsd|bitrig)
7c4a001a 2821 # On OpenBSD 4.5. the compiler does not use PIC unless
070c5d0f 2822 # explicitly using -fPIC. Libav builds fine without PIC,
7c4a001a
MR
2823 # however the generated executable will not do anything
2824 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2825 # Thus explicitly enable PIC here.
cd78208b 2826 enable pic
a1e4b3f6 2827 disable symver
7483e694 2828 SHFLAGS='-shared'
d5683aba
BS
2829 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBVERSION)'
2830 SLIB_INSTALL_LINKS=
07a8eef6
MR
2831 oss_indev_extralibs="-lossaudio"
2832 oss_outdev_extralibs="-lossaudio"
7483e694 2833 ;;
a1e4b3f6 2834 dragonfly)
a1e4b3f6
MR
2835 disable symver
2836 ;;
2837 freebsd)
7483e694
DB
2838 ;;
2839 bsd/os)
355d81df 2840 add_extralibs -lpoll -lgnugetopt
7483e694
DB
2841 ;;
2842 darwin)
301ab19d 2843 gas="gas-preprocessor.pl $cc"
e08b8239 2844 enabled ppc && add_asflags -force_cpusubtype_ALL
49e35f49 2845 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
dff68563 2846 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
355d81df 2847 add_ldflags -Wl,-dynamic,-search_paths_first
7483e694
DB
2848 SLIBSUF=".dylib"
2849 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2850 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4d58e4cb 2851 AVSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2852 objformat="macho"
1b0f6fb8 2853 enabled x86_64 && objformat="macho64"
8dfa86f7 2854 enabled_any pic shared ||
2704bd1a 2855 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2856 ;;
2857 mingw32*)
9d3f4f50 2858 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2859 disable network
2860 else
2861 target_os=mingw32
2862 fi
dcc01c06 2863 LIBTARGET=i386
1fc9fb8a 2864 if enabled x86_64; then
417516f6 2865 LIBTARGET="i386:x86-64"
336cc1b0 2866 elif enabled arm; then
15c5156d 2867 LIBTARGET=arm-wince
dcc01c06 2868 fi
fbd971a4 2869 shlibdir_default="$bindir_default"
7483e694
DB
2870 SLIBPREF=""
2871 SLIBSUF=".dll"
7483e694
DB
2872 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2873 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
eb7018d2 2874 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2f138f0b
MR
2875 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2876 SLIB_INSTALL_LINKS=
2877 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2878 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
eb7018d2 2879 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2880 objformat="win32"
ec10a9ab 2881 dlltool="${cross_prefix}dlltool"
a3222470 2882 ranlib=:
bc574408 2883 enable dos_paths
5666a9f2 2884 add_cppflags -U__STRICT_ANSI__
7483e694 2885 ;;
53e8cd68 2886 win32|win64)
d66c52c2
MS
2887 if enabled shared; then
2888 # Link to the import library instead of the normal static library
2889 # for shared libs.
2890 LD_LIB='%.lib'
2891 # Cannot build shared and static libraries at the same time with
2892 # MSVC.
2893 disable static
2894 fi
2895 shlibdir_default="$bindir_default"
2896 SLIBPREF=""
2897 SLIBSUF=".dll"
2898 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2899 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2900 SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
2901 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2902 SLIB_INSTALL_LINKS=
2903 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2904 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2905 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
53e8cd68
MS
2906 objformat="win32"
2907 ranlib=:
2908 enable dos_paths
2909 ;;
7483e694 2910 cygwin*)
4f854758 2911 target_os=cygwin
fbd971a4 2912 shlibdir_default="$bindir_default"
7483e694
DB
2913 SLIBPREF="cyg"
2914 SLIBSUF=".dll"
2915 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2916 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
f5d2c597
YS
2917 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2918 SLIB_INSTALL_LINKS=
2919 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
2920 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
304d586d 2921 objformat="win32"
bc574408 2922 enable dos_paths
7483e694 2923 ;;
4f365f37 2924 *-dos|freedos|opendos)
4f365f37 2925 network_extralibs="-lsocket"
ff1c015d 2926 objformat="coff"
bc574408 2927 enable dos_paths
a7a187a1 2928 add_cppflags -U__STRICT_ANSI__
4f365f37 2929 ;;
7483e694 2930 linux)
7483e694
DB
2931 enable dv1394
2932 ;;
2933 irix*)
4f854758 2934 target_os=irix
7483e694
DB
2935 ranlib="echo ignoring ranlib"
2936 ;;
d22e8442 2937 os/2*)
d22e8442 2938 ln_s="cp -f"
9297f1ed 2939 objformat="aout"
e14574eb 2940 add_cppflags -D_GNU_SOURCE
355d81df 2941 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
71c61f62 2942 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4d58e4cb 2943 AVSERVERLDFLAGS=""
287d3b13 2944 LIBSUF="_s.a"
d22e8442
DY
2945 SLIBPREF=""
2946 SLIBSUF=".dll"
2947 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2948 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62 2949 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
f69f51b3
DB
2950 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2951 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2952 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2953 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2954 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
71c61f62 2955 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
f69f51b3 2956 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2f138f0b 2957 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
bc574408 2958 enable dos_paths
d22e8442 2959 ;;
83993c1c 2960 gnu/kfreebsd)
3bd1eacd 2961 add_cppflags -D_BSD_SOURCE
83993c1c 2962 ;;
34e82167 2963 gnu)
34e82167 2964 ;;
d33ed7b3
MR
2965 qnx)
2966 add_cppflags -D_QNX_SOURCE
2967 network_extralibs="-lsocket"
2968 ;;
1c69c79f
MS
2969 symbian)
2970 SLIBSUF=".dll"
2971 enable dos_paths
e3bc07f4
MS
2972 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2973 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2974 add_ldflags -Wl,--target1-abs,--no-undefined \
2975 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2976 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2977 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2978 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2979 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
1c69c79f 2980 ;;
fdd66609
MR
2981 osf1)
2982 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
2983 AVSERVERLDFLAGS=
2984 ;;
741a8b72
MR
2985 minix)
2986 ;;
4ebc6a74
MR
2987 plan9)
2988 add_cppflags -D_C99_SNPRINTF_EXTENSION \
2989 -D_REENTRANT_SOURCE \
2990 -D_RESEARCH_SOURCE \
2991 -DFD_SETSIZE=96 \
2992 -DHAVE_SOCK_OPTS
2993 add_compat strtod.o strtod=avpriv_strtod
2994 network_extralibs='-lbsd'
2995 exeobjs=compat/plan9/main.o
2996 disable avserver
2997 ln_s='ln -s -f'
2998 cp_f='cp'
2999 ;;
614d8911
MR
3000 none)
3001 ;;
7483e694 3002 *)
4f924f9a 3003 die "Unknown OS '$target_os'."
7483e694
DB
3004 ;;
3005esac
3006
b797f3c4
MR
3007# determine libc flavour
3008
3009if check_cpp_condition features.h "defined __UCLIBC__"; then
3010 libc_type=uclibc
3bd1eacd 3011 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
b797f3c4
MR
3012elif check_cpp_condition features.h "defined __GLIBC__"; then
3013 libc_type=glibc
3bd1eacd 3014 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
b797f3c4
MR
3015elif check_header _mingw.h; then
3016 libc_type=mingw
3017 check_cpp_condition _mingw.h \
3018 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3019 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3020 die "ERROR: MinGW runtime version must be >= 3.15."
3021elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3022 libc_type=newlib
8f7b814f 3023 add_cppflags -U__STRICT_ANSI__
4fa661a8
RB
3024elif check_func_headers stdlib.h _get_doserrno; then
3025 libc_type=msvcrt
84e65c76
MR
3026 add_compat strtod.o strtod=avpriv_strtod
3027 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3028 _snprintf=avpriv_snprintf \
3029 vsnprintf=avpriv_vsnprintf
b797f3c4
MR
3030elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3031 libc_type=klibc
3032fi
3033
3034test -n "$libc_type" && enable $libc_type
3035
5ab432fa
MR
3036# hacks for compiler/libc/os combinations
3037
3038if enabled_all tms470 glibc; then
b6f8d635 3039 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
5ab432fa
MR
3040 add_cppflags -D__USER_LABEL_PREFIX__=
3041 add_cppflags -D__builtin_memset=memset
3042 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3043 add_cflags -pds=48 # incompatible redefinition of macro
3044fi
3045
457cc333
MR
3046if enabled_all ccc glibc; then
3047 add_ldflags -Wl,-z,now # calls to libots crash without this
3048fi
3049
6555acad
MR
3050esc(){
3051 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3052}
3053
3054echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
db7515fd 3055
13cb2187
AS
3056check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
3057
c9d19248 3058set_default $PATHS_LIST
2a8a860a 3059set_default nm
c9d19248 3060
320d060a 3061# we need to build at least one lib type
93b3c083 3062if ! enabled_any static shared; then
320d060a
DB
3063 cat <<EOF
3064At least one library type must be built.
3065Specify --enable-static to build the static libraries or --enable-shared to
3066build the shared libraries as well. To only build the shared libraries specify
3067--disable-static in addition to --enable-shared.
3068EOF
3069 exit 1;
3070fi
3071
2184c6f7 3072die_license_disabled() {
4c27207c 3073 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
3074}
3075
e417d80d 3076die_license_disabled gpl libcdio
2184c6f7 3077die_license_disabled gpl libx264
de295976 3078die_license_disabled gpl libxavs
2184c6f7 3079die_license_disabled gpl libxvid
2184c6f7
DB
3080die_license_disabled gpl x11grab
3081
2f7ae63b 3082die_license_disabled nonfree libfaac
87246953 3083die_license_disabled nonfree libfdk_aac
a060866f 3084die_license_disabled nonfree openssl
b2e3c528 3085
0b175caa
DB
3086die_license_disabled version3 libopencore_amrnb
3087die_license_disabled version3 libopencore_amrwb
d89e738a 3088die_license_disabled version3 libvo_aacenc
f502ff3f 3089die_license_disabled version3 libvo_amrwbenc
0b175caa 3090
9cad0e4e 3091enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 3092
40617a6d 3093disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 3094
e276d9e8
MR
3095enable_pic() {
3096 enable pic
bce7b696
MR
3097 add_cppflags -DPIC
3098 add_cflags -fPIC
3099 add_asflags -fPIC
e276d9e8
MR
3100}
3101
3102enabled pic && enable_pic
bce7b696 3103
b4d96ba2
MR
3104check_cc <<EOF || die "Symbol mangling check failed."
3105int ff_extern;
3106EOF
2a8a860a 3107sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
3108extern_prefix=${sym%%ff_extern*}
3109
afb5ed55 3110check_cc <<EOF && enable_weak inline_asm
f65883c8
MR
3111void foo(void) { __asm__ volatile ("" ::); }
3112EOF
61d251db 3113
df5e3978
MR
3114_restrict=
3115for restrict_keyword in restrict __restrict__ __restrict; do
3116 check_cc <<EOF && _restrict=$restrict_keyword && break
3117void foo(char * $restrict_keyword p);
3118EOF
3119done
3120
3121check_cc <<EOF && enable attribute_packed
3122struct { int x; } __attribute__((packed)) x;
3123EOF
3124
dffb41b9
MR
3125check_cc <<EOF && enable attribute_may_alias
3126union { int x; } __attribute__((may_alias)) x;
3127EOF
3128
df5e3978
MR
3129check_cc <<EOF || die "endian test failed"
3130unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3131EOF
48fc536a 3132od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 3133
e939cedd
MR
3134if enabled alpha; then
3135
3136 check_cflags -mieee
3137
3138elif enabled arm; then
e45391bb 3139
66371c28 3140 check_cpp_condition stddef.h "defined __thumb__" && enable_weak thumb
8986fddc 3141 enabled thumb && check_cflags -mthumb || check_cflags -marm
301ab19d 3142 nogas=die
50fa82e6 3143
44caaa56
MR
3144 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3145 enable vfp_args
3146 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3147 case "${cross_prefix:-$cc}" in
3148 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3149 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
fa0912fe
MR
3150__asm__ (".eabi_attribute 28, 1");
3151int main(void) { return 0; }
3152EOF
44caaa56
MR
3153 esac
3154 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3155 fi
fa0912fe 3156
7f2b3dca
MR
3157 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
3158 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
3159 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
7f2b3dca 3160 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
b3267559 3161 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
7f2b3dca
MR
3162 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
3163
b57c1da8
MR
3164 [ $target_os = linux ] ||
3165 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
3166 $ARCH_EXT_LIST_ARM
e45391bb 3167
575db883
DB
3168 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3169 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
6308729e 3170
e276d9e8
MR
3171 enabled_all armv6t2 shared !pic && enable_pic
3172
fa0912fe 3173elif enabled mips; then
e45391bb 3174
575db883 3175 check_inline_asm loongson '"dmult.g $1, $2, $3"'
e45391bb 3176
5af530f5
MR
3177elif enabled parisc; then
3178
3179 if enabled gcc; then
3180 case $($cc -dumpversion) in
3181 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
3182 esac
3183 fi
3184
fa0912fe 3185elif enabled ppc; then
e45391bb 3186
e6a0c354
MR
3187 enable local_aligned_8 local_aligned_16
3188
575db883
DB
3189 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
3190 check_inline_asm ibm_asm '"add 0, 0, 0"'
3191 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
3192 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
3193
3194 # AltiVec flags: The FSF version of GCC differs from the Apple version
3195 if enabled altivec; then
301ab19d 3196 nogas=warn
fa0912fe
MR
3197 check_cflags -maltivec -mabi=altivec &&
3198 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3199 check_cflags -faltivec
3200
3201 # check if our compiler supports Motorola AltiVec C API
3202 check_cc <<EOF || disable altivec
3203$inc_altivec_h
3204int main(void) {
20bcce50
MR
3205 vector signed int v1 = (vector signed int) { 0 };
3206 vector signed int v2 = (vector signed int) { 1 };
3207 v1 = vec_add(v1, v2);
fa0912fe
MR
3208 return 0;
3209}
3210EOF
3211
20bcce50 3212 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
fa0912fe 3213 fi
e45391bb 3214
fa0912fe 3215elif enabled sparc; then
e45391bb 3216
6aa93689 3217 enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
e45391bb 3218
fa0912fe 3219elif enabled x86; then
e45391bb 3220
8e85ba8d
DB
3221 check_code ld intrin.h "__rdtsc()" && enable rdtsc
3222
f80ddd5b
RB
3223 check_code ld mmintrin.h "_mm_empty()" && enable mm_empty
3224
e6a0c354
MR
3225 enable local_aligned_8 local_aligned_16
3226
44965991
PI
3227 # check whether EBP is available on x86
3228 # As 'i' is stored on the stack, this program will crash
3229 # if the base pointer is used to access it because the
3230 # base pointer is cleared in the inline assembly code.
7dfef245 3231 check_exec_crash <<EOF && enable ebp_available
f69f51b3
DB
3232volatile int i=0;
3233__asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
3234return i;
44965991
PI
3235EOF
3236
f494213c 3237 # check whether EBX is available on x86
575db883
DB
3238 check_inline_asm ebx_available '""::"b"(0)' &&
3239 check_inline_asm ebx_available '"":::"%ebx"'
8e380710 3240
6f74fb03 3241 # check whether xmm clobbers are supported
575db883 3242 check_inline_asm xmm_clobbers '"":::"%xmm0"'
6f74fb03 3243
239fdf1b 3244 # check whether binutils is new enough to compile SSSE3/MMXEXT
43b73d59
DB
3245 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
3246 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
6bd859d6 3247
9cca1e40 3248 if ! disabled_any asm mmx yasm; then
b6c06894
MR
3249 if check_cmd $yasmexe --version; then
3250 enabled x86_64 && yasm_extra="-m amd64"
3251 yasm_debug="-g dwarf2"
3252 elif check_cmd nasm -v; then
3253 yasmexe=nasm
3254 yasm_debug="-g -F dwarf"
3255 enabled x86_64 && test "$objformat" = elf && objformat=elf64
3256 fi
3257
3258 YASMFLAGS="-f $objformat $yasm_extra"
3259 enabled pic && append YASMFLAGS "-DPIC"
3260 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
3261 case "$objformat" in
3262 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3263 esac
3264
b8e8a07c 3265 check_yasm "vextractf128 xmm0, ymm0, 0" && enable yasm ||
25432e85 3266 die "yasm not found, use --disable-yasm for a crippled build"
43b73d59 3267 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
180d43bc 3268 check_yasm "CPU amdnop" && enable cpunop
31a0dcb2 3269 fi
e45391bb 3270
669b5583
MR
3271 case "$cpu" in
3272 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3273 disable fast_clz
3274 ;;
3275 esac
3276
44965991
PI
3277fi
3278
301ab19d
MR
3279if enabled asm; then
3280 as=${gas:=$as}
7fd90119 3281 check_as <<EOF && enable gnu_as || \
301ab19d 3282 $nogas "GNU assembler not found, install gas-preprocessor"
7fd90119
MR
3283.macro m n
3284\n: .int 0
3285.endm
3286m x
3287EOF
301ab19d
MR
3288fi
3289
4a7e068b
MR
3290check_ldflags -Wl,--as-needed
3291
a98bb16d
RP
3292if check_func dlopen; then
3293 ldl=
3294elif check_func dlopen -ldl; then
3295 ldl=-ldl
8bf5d58f
MN
3296fi
3297
54fe299b
DV
3298if enabled network; then
3299 check_type "sys/types.h sys/socket.h" socklen_t
3300 check_type netdb.h "struct addrinfo"
75d339e0
MS
3301 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
3302 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
54fe299b
DV
3303 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3304 check_type netinet/in.h "struct sockaddr_in6"
cdee08e3 3305 check_type poll.h "struct pollfd"
54fe299b
DV
3306 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3307 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
83c93fe7 3308 check_type netinet/sctp.h "struct sctp_event_subscribe"
f06dee77 3309 check_func getaddrinfo $network_extralibs
c3e73100 3310 check_func getservbyport $network_extralibs
54fe299b
DV
3311 # Prefer arpa/inet.h over winsock2
3312 if check_header arpa/inet.h ; then
3313 check_func closesocket
3314 elif check_header winsock2.h ; then
47876d66
DB
3315 check_func_headers winsock2.h closesocket -lws2 &&
3316 network_extralibs="-lws2" ||
3317 { check_func_headers winsock2.h closesocket -lws2_32 &&
54fe299b 3318 network_extralibs="-lws2_32"; }
f06dee77 3319 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
54fe299b
DV
3320 check_type ws2tcpip.h socklen_t
3321 check_type ws2tcpip.h "struct addrinfo"
75d339e0
MS
3322 check_type ws2tcpip.h "struct group_source_req"
3323 check_type ws2tcpip.h "struct ip_mreq_source"
54fe299b 3324 check_type ws2tcpip.h "struct ipv6_mreq"
cdee08e3 3325 check_type winsock2.h "struct pollfd"
54fe299b
DV
3326 check_type ws2tcpip.h "struct sockaddr_in6"
3327 check_type ws2tcpip.h "struct sockaddr_storage"