configure: Add --disable-all command line option
[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
c21d6325
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15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
c21d6325
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20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
0dbe81bb
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24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
0dbe81bb
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
c21d6325
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
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43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
070c5d0f 47 echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
505dfb09 48 echo "Instead, install a working POSIX-compatible shell."
070c5d0f 49 echo "Disabling this configure test will create a broken Libav."
c21d6325
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50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
cde2d79a
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54 exit 1
55fi
56
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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]
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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
844c6852 103 --disable-all disable building components, libraries and programs
3b327a4b 104
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105Program options:
106 --disable-programs do not build command line programs
6291d7e4 107 --disable-avconv disable avconv build
266463da 108 --disable-avplay disable avplay build
9e12f0bf 109 --disable-avprobe disable avprobe build
4d58e4cb 110 --disable-avserver disable avserver build
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111
112Component options:
113 --disable-doc do not build documentation
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114 --disable-avdevice disable libavdevice build
115 --disable-avcodec disable libavcodec build
116 --disable-avformat disable libavformat build
d89f2fa9 117 --disable-avutil disable libavutil build
5a0f7131 118 --disable-swscale disable libswscale build
cccc039f 119 --disable-avfilter disable video filter support [no]
c8af852b 120 --disable-avresample disable libavresample build [no]
0dbfc1db 121 --disable-pthreads disable pthreads [auto]
7b7b220c 122 --disable-w32threads disable Win32 threads [auto]
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123 --enable-x11grab enable X11 grabbing [no]
124 --disable-network disable network support [no]
7f3f5f46 125 --disable-dct disable DCT code
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126 --disable-dwt disable DWT code
127 --disable-lsp disable LSP code
2a91ada8 128 --disable-lzo disable LZO decoder code
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129 --disable-mdct disable MDCT code
130 --disable-rdft disable RDFT code
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131 --disable-fft disable FFT code
132 --enable-dxva2 enable DXVA2 code
dcb73592 133 --enable-vaapi enable VAAPI code
ac3dbb4d 134 --enable-vda enable VDA code
e8f6bd4b 135 --enable-vdpau enable VDPAU code
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136
137Individual component options:
bb55e3a3 138 --disable-everything disable all components listed below
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139 --disable-encoder=NAME disable encoder NAME
140 --enable-encoder=NAME enable encoder NAME
141 --disable-encoders disable all encoders
142 --disable-decoder=NAME disable decoder NAME
143 --enable-decoder=NAME enable decoder NAME
144 --disable-decoders disable all decoders
145 --disable-hwaccel=NAME disable hwaccel NAME
146 --enable-hwaccel=NAME enable hwaccel NAME
147 --disable-hwaccels disable all hwaccels
148 --disable-muxer=NAME disable muxer NAME
149 --enable-muxer=NAME enable muxer NAME
150 --disable-muxers disable all muxers
151 --disable-demuxer=NAME disable demuxer NAME
152 --enable-demuxer=NAME enable demuxer NAME
153 --disable-demuxers disable all demuxers
154 --enable-parser=NAME enable parser NAME
155 --disable-parser=NAME disable parser NAME
156 --disable-parsers disable all parsers
157 --enable-bsf=NAME enable bitstream filter NAME
158 --disable-bsf=NAME disable bitstream filter NAME
159 --disable-bsfs disable all bitstream filters
160 --enable-protocol=NAME enable protocol NAME
161 --disable-protocol=NAME disable protocol NAME
162 --disable-protocols disable all protocols
3b327a4b 163 --enable-indev=NAME enable input device NAME
06454877 164 --disable-indev=NAME disable input device NAME
06454877 165 --disable-indevs disable input devices
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166 --enable-outdev=NAME enable output device NAME
167 --disable-outdev=NAME disable output device NAME
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168 --disable-outdevs disable output devices
169 --disable-devices disable all devices
170 --enable-filter=NAME enable filter NAME
171 --disable-filter=NAME disable filter NAME
172 --disable-filters disable all filters
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173
174External library support:
175 --enable-avisynth enable reading of AVISynth script files [no]
176 --enable-bzlib enable bzlib [autodetect]
47941088 177 --enable-frei0r enable frei0r video filtering
bc8c1395 178 --enable-gnutls enable gnutls [no]
e417d80d 179 --enable-libcdio enable audio CD grabbing with libcdio
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180 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
181 and libraw1394 [no]
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182 --enable-libfaac enable AAC encoding via libfaac [no]
183 --enable-libfdk-aac enable AAC encoding via libfdk-aac [no]
a5b64584 184 --enable-libfreetype enable libfreetype [no]
c547e5ff 185 --enable-libgsm enable GSM de/encoding via libgsm [no]
3641b048 186 --enable-libilbc enable iLBC de/encoding via libilbc [no]
06454877 187 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
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188 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
189 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
190 --enable-libopencv enable video filtering via libopencv [no]
453c02f9 191 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
44617d6e 192 --enable-libopus enable Opus decoding via libopus [no]
7c922411 193 --enable-libpulse enable Pulseaudio input via libpulse [no]
0f943ce6 194 --enable-librtmp enable RTMP[E] support via librtmp [no]
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195 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
196 --enable-libspeex enable Speex de/encoding via libspeex [no]
06454877 197 --enable-libtheora enable Theora encoding via libtheora [no]
d89e738a 198 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
f502ff3f 199 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
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200 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
201 --enable-libvpx enable VP8 de/encoding via libvpx [no]
06454877 202 --enable-libx264 enable H.264 encoding via x264 [no]
de295976 203 --enable-libxavs enable AVS encoding via xavs [no]
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204 --enable-libxvid enable Xvid encoding via xvidcore,
205 native MPEG-4/Xvid encoder exists [no]
a060866f 206 --enable-openssl enable openssl [no]
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207 --enable-zlib enable zlib [autodetect]
208
209Advanced options (experts only):
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210 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
211 --enable-cross-compile assume a cross-compiler is used
212 --sysroot=PATH root of cross-build tree
213 --sysinclude=PATH location of cross-build system headers
214 --target-os=OS compiler targets OS [$target_os]
215 --target-exec=CMD command to run executables on target
216 --target-path=DIR path to view of build directory on target
aeeb782c 217 --toolchain=NAME set tool defaults according to NAME
06454877 218 --nm=NM use nm tool
121d78d0 219 --ar=AR use archive tool AR [$ar_default]
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220 --as=AS use assembler AS [$as_default]
221 --cc=CC use C compiler CC [$cc_default]
193cdd9a 222 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
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223 --ld=LD use linker LD
224 --host-cc=HOSTCC use host C compiler HOSTCC
225 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
095792f2 226 --host-ld=HOSTLD use host linker HOSTLD
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227 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
228 --host-libs=HLIBS use libs HLIBS when linking for host
193cdd9a 229 --host-os=OS compiler host OS [$target_os]
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230 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
231 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
232 --extra-libs=ELIBS add ELIBS [$ELIBS]
233 --extra-version=STRING version string suffix []
193cdd9a 234 --optflags=OPTFLAGS override optimization-related compiler flags
06454877 235 --build-suffix=SUFFIX library name suffix []
3b327a4b 236 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
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237 --arch=ARCH select architecture [$arch]
238 --cpu=CPU select the minimum required CPU (affects
239 instruction selection, may crash on older CPUs)
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240 --enable-pic build position-independent code
241 --enable-sram allow use of on-chip SRAM
193cdd9a 242 --enable-thumb compile for Thumb instruction set
3b327a4b 243 --disable-symver disable symbol versioning
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244 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
245 --disable-safe-bitstream-reader
246 disable buffer boundary checking in bitreaders
247 (faster, but may crash)
248 --enable-memalign-hack emulate memalign, interferes with memory debuggers
65d12900 249 --enable-lto use link-time optimization
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250
251Optimization options (experts only):
c8a4ae00 252 --disable-asm disable all assembler optimizations
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253 --disable-altivec disable AltiVec optimizations
254 --disable-amd3dnow disable 3DNow! optimizations
255 --disable-amd3dnowext disable 3DNow! extended optimizations
256 --disable-mmx disable MMX optimizations
239fdf1b 257 --disable-mmxext disable MMXEXT optimizations
06454877 258 --disable-sse disable SSE optimizations
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259 --disable-sse2 disable SSE2 optimizations
260 --disable-sse3 disable SSE3 optimizations
06454877 261 --disable-ssse3 disable SSSE3 optimizations
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262 --disable-sse4 disable SSE4 optimizations
263 --disable-sse42 disable SSE4.2 optimizations
87f1355f 264 --disable-avx disable AVX optimizations
79687079 265 --disable-fma4 disable FMA4 optimizations
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266 --disable-armv5te disable armv5te optimizations
267 --disable-armv6 disable armv6 optimizations
268 --disable-armv6t2 disable armv6t2 optimizations
b3267559 269 --disable-vfp disable VFP optimizations
5ea20630 270 --disable-neon disable NEON optimizations
06454877 271 --disable-vis disable VIS optimizations
afb5ed55 272 --disable-inline-asm disable use of inline assembler
06454877 273 --disable-yasm disable use of yasm assembler
06454877 274
070c5d0f 275Developer options (useful when working on Libav itself):
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276 --disable-debug disable debugging symbols
277 --enable-debug=LEVEL set the debug level [$debuglevel]
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278 --disable-optimizations disable compiler optimizations
279 --enable-extra-warnings enable more compiler warnings
52b3cc60 280 --samples=PATH location of test samples for FATE, if not set use
9309bdfe 281 \$LIBAV_SAMPLES at make invocation time.
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282 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
283 should be used only for debugging purposes)
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284 --enable-random randomly enable/disable components
285 --disable-random
286 --enable-random=LIST randomly enable/disable specific components or
287 --disable-random=LIST component groups. LIST is a comma-separated list
288 of NAME[:PROB] entries where NAME is a component
289 (group) and PROB the probability associated with
290 NAME (default 0.5).
291 --random-seed=VALUE seed value for --enable/disable-random
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292
293NOTE: Object files are built at the place where configure is launched.
294EOF
60e8bc13 295 exit 0
74c53c2d 296}
cf9d24ad 297
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298quotes='""'
299
57bd82d4 300log(){
2270b4b2 301 echo "$@" >> $logfile
57bd82d4
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302}
303
720c69da 304log_file(){
c8e9f801 305 log BEGIN $1
2270b4b2 306 pr -n -t $1 >> $logfile
c8e9f801
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307 log END $1
308}
309
2ba042a7 310echolog(){
c8e9f801 311 log "$@"
57bd82d4 312 echo "$@"
2ba042a7
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313}
314
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315warn(){
316 log "WARNING: $*"
317 WARNINGS="${WARNINGS}WARNING: $*\n"
318}
319
2ba042a7
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320die(){
321 echolog "$@"
322 cat <<EOF
d326cf7f 323
2ba042a7 324If you think configure made a mistake, make sure you are using the latest
4a6a21f5 325version from Git. If the latest version fails, report the problem to the
070c5d0f 326libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
2ba042a7 327EOF
e155a21a 328 if disabled logging; then
2ba042a7 329 cat <<EOF
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330Rerun configure with logging enabled (do not use --disable-logging), and
331include the log this produces with your report.
2ba042a7
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332EOF
333 else
f69f51b3 334 cat <<EOF
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335Include the log file "$logfile" produced by configure as this will help
336solving the problem.
2ba042a7
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337EOF
338 fi
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339 exit 1
340}
341
6c6007d6 342# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 343toupper(){
6c6007d6 344 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
44161118
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345}
346
4a5444db 347tolower(){
6c6007d6 348 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
4a5444db
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349}
350
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351c_escape(){
352 echo "$*" | sed 's/["\\]/\\\0/g'
353}
354
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355sh_quote(){
356 v=$(echo "$1" | sed "s/'/'\\\\''/g")
d72c981c 357 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
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358 echo "$v"
359}
360
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361cleanws(){
362 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
363}
364
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365filter(){
366 pat=$1
367 shift
368 for v; do
98ef6079 369 eval "case $v in $pat) echo $v ;; esac"
be8f2501
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370 done
371}
372
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373filter_out(){
374 pat=$1
375 shift
376 for v; do
377 eval "case $v in $pat) ;; *) echo $v ;; esac"
378 done
379}
380
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381map(){
382 m=$1
383 shift
e0e335a0 384 for v; do eval $m; done
36e2dea0
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385}
386
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387add_suffix(){
388 suffix=$1
389 shift
390 for v; do echo ${v}${suffix}; done
391}
392
a8d04fba
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393set_all(){
394 value=$1
395 shift
396 for var in $*; do
397 eval $var=$value
398 done
399}
400
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401set_weak(){
402 value=$1
403 shift
404 for var; do
405 eval : \${$var:=$value}
406 done
407}
408
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409set_safe(){
410 var=$1
411 shift
412 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
413}
414
415get_safe(){
416 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
417}
418
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419pushvar(){
420 for var in $*; do
421 eval level=\${${var}_level:=0}
422 eval ${var}_${level}="\$$var"
423 eval ${var}_level=$(($level+1))
424 done
425}
426
427popvar(){
428 for var in $*; do
429 eval level=\${${var}_level:-0}
430 test $level = 0 && continue
431 eval level=$(($level-1))
432 eval $var="\${${var}_${level}}"
433 eval ${var}_level=$level
434 eval unset ${var}_${level}
435 done
436}
437
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438enable(){
439 set_all yes $*
440}
441
442disable(){
443 set_all no $*
444}
445
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446enable_weak(){
447 set_weak yes $*
448}
449
450disable_weak(){
451 set_weak no $*
452}
453
72702705 454enable_safe(){
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455 for var; do
456 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
457 done
72702705
MR
458}
459
460disable_safe(){
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461 for var; do
462 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
463 done
72702705
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464}
465
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MR
466do_enable_deep(){
467 for var; do
468 enabled $var && continue
469 eval sel="\$${var}_select"
c510c7b5
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470 eval sgs="\$${var}_suggest"
471 pushvar var sgs
f9d328da 472 enable_deep $sel
c510c7b5
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473 popvar sgs
474 enable_deep_weak $sgs
f9d328da
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475 popvar var
476 done
477}
478
479enable_deep(){
480 do_enable_deep $*
481 enable $*
482}
483
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484enable_deep_weak(){
485 do_enable_deep $*
486 enable_weak $*
487}
488
57bd82d4 489enabled(){
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490 test "${1#!}" = "$1" && op== || op=!=
491 eval test "x\$${1#!}" $op "xyes"
44161118
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492}
493
37970ebf 494disabled(){
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495 test "${1#!}" = "$1" && op== || op=!=
496 eval test "x\$${1#!}" $op "xno"
37970ebf
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497}
498
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499enabled_all(){
500 for opt; do
501 enabled $opt || return 1
502 done
503}
504
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505disabled_all(){
506 for opt; do
507 disabled $opt || return 1
508 done
509}
510
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511enabled_any(){
512 for opt; do
513 enabled $opt && return 0
514 done
515}
516
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517disabled_any(){
518 for opt; do
519 disabled $opt && return 0
520 done
f7b230a7 521 return 1
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522}
523
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524set_default(){
525 for opt; do
88268e94 526 eval : \${$opt:=\$${opt}_default}
c9d19248
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527 done
528}
529
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530is_in(){
531 value=$1
532 shift
533 for var in $*; do
534 [ $var = $value ] && return 0
535 done
536 return 1
537}
538
d4f8cecc 539do_check_deps(){
30fd06be 540 for cfg; do
3250003c 541 cfg="${cfg#!}"
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542 enabled ${cfg}_checking && die "Circular dependency for $cfg."
543 disabled ${cfg}_checking && continue
544 enable ${cfg}_checking
d4f8cecc 545 append allopts $cfg
799c9e9b 546
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547 eval dep_all="\$${cfg}_deps"
548 eval dep_any="\$${cfg}_deps_any"
7ef3425f 549 eval dep_sel="\$${cfg}_select"
c510c7b5 550 eval dep_sgs="\$${cfg}_suggest"
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551 eval dep_ifa="\$${cfg}_if"
552 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 553
3d7453e0 554 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
d4f8cecc 555 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
3d7453e0 556 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 557
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558 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
559 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
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560 enabled_all $dep_all || disable $cfg
561 enabled_any $dep_any || disable $cfg
7ef3425f 562 disabled_any $dep_sel && disable $cfg
799c9e9b 563
4ec45764 564 if enabled $cfg; then
f9d328da 565 enable_deep $dep_sel
c510c7b5 566 enable_deep_weak $dep_sgs
4ec45764
RP
567 fi
568
799c9e9b 569 disable ${cfg}_checking
30fd06be
MR
570 done
571}
572
d4f8cecc
MR
573check_deps(){
574 unset allopts
575
576 do_check_deps "$@"
577
578 for cfg in $allopts; do
579 enabled $cfg || continue
580 eval dep_extralibs="\$${cfg}_extralibs"
581 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
582 done
583}
584
44161118
MR
585print_config(){
586 pfx=$1
72cfcf41
MR
587 files=$2
588 shift 2
f454e879
MR
589 map 'eval echo "$v \${$v:-no}"' "$@" |
590 awk "BEGIN { split(\"$files\", files) }
591 {
592 c = \"$pfx\" toupper(\$1);
593 v = \$2;
594 sub(/yes/, 1, v);
595 sub(/no/, 0, v);
596 for (f in files) {
597 file = files[f];
598 if (file ~ /\\.h\$/) {
599 printf(\"#define %s %d\\n\", c, v) >>file;
600 } else if (file ~ /\\.asm\$/) {
601 printf(\"%%define %s %d\\n\", c, v) >>file;
602 } else if (file ~ /\\.mak\$/) {
d16c4aeb 603 n = -v ? \"\" : \"!\";
f454e879
MR
604 printf(\"%s%s=yes\\n\", n, c) >>file;
605 }
606 }
607 }"
57bd82d4
MR
608}
609
31c0121d 610print_enabled(){
31c0121d
MR
611 suf=$1
612 shift
613 for v; do
9eda2a85 614 enabled $v && printf "%s\n" ${v%$suf};
31c0121d
MR
615 done
616}
617
57bd82d4
MR
618append(){
619 var=$1
620 shift
57bd82d4
MR
621 eval "$var=\"\$$var $*\""
622}
623
60361817
MR
624prepend(){
625 var=$1
626 shift
627 eval "$var=\"$* \$$var\""
628}
629
50a334e4 630add_cppflags(){
cd52ec95 631 append CPPFLAGS "$@"
50a334e4
MR
632}
633
57bd82d4 634add_cflags(){
01d31e16 635 append CFLAGS $($cflags_filter "$@")
57bd82d4
MR
636}
637
2f2e6c7c 638add_asflags(){
01d31e16 639 append ASFLAGS $($asflags_filter "$@")
2f2e6c7c
MR
640}
641
57bd82d4 642add_ldflags(){
64933b6c 643 append LDFLAGS $($ldflags_filter "$@")
57bd82d4
MR
644}
645
646add_extralibs(){
64933b6c 647 prepend extralibs $($ldflags_filter "$@")
57bd82d4
MR
648}
649
6c3fa06a
MR
650add_host_cflags(){
651 append host_cflags $($host_cflags_filter "$@")
652}
653
654add_host_ldflags(){
655 append host_ldflags $($host_ldflags_filter "$@")
656}
657
84e65c76
MR
658add_compat(){
659 append compat_objs $1
660 shift
661 map 'add_cppflags -D$v' "$@"
662}
663
b0cfb663 664check_cmd(){
b3cb5d51 665 log "$@"
2270b4b2 666 "$@" >> $logfile 2>&1
b0cfb663
MR
667}
668
b2704a65
MR
669cc_o(){
670 eval printf '%s\\n' $CC_O
671}
672
18031c49
MR
673cc_e(){
674 eval printf '%s\\n' $CC_E
675}
676
dcd479c0 677check_cc(){
57bd82d4 678 log check_cc "$@"
2270b4b2 679 cat > $TMPC
720c69da 680 log_file $TMPC
23565c26 681 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
57bd82d4
MR
682}
683
684check_cpp(){
685 log check_cpp "$@"
2270b4b2 686 cat > $TMPC
720c69da 687 log_file $TMPC
18031c49 688 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
dcd479c0
MR
689}
690
df0d6341
MR
691as_o(){
692 eval printf '%s\\n' $AS_O
693}
694
f65883c8
MR
695check_as(){
696 log check_as "$@"
7fd90119
MR
697 cat > $TMPS
698 log_file $TMPS
699 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
f65883c8
MR
700}
701
575db883
DB
702check_inline_asm(){
703 log check_inline_asm "$@"
940f335a 704 name="$1"
3784e82e 705 code="$2"
940f335a 706 shift 2
49214f61 707 disable $name
7fd90119 708 check_cc "$@" <<EOF && enable $name
3784e82e 709void foo(void){ __asm__ volatile($code); }
940f335a
MR
710EOF
711}
712
c6ebc9fa
MR
713check_insn(){
714 log check_insn "$@"
715 check_inline_asm ${1}_inline "\"$2\""
716 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
717}
718
304d586d
LM
719check_yasm(){
720 log check_yasm "$@"
721 echo "$1" > $TMPS
722 log_file $TMPS
723 shift 1
724 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
725}
726
29b64b68
MR
727ld_o(){
728 eval printf '%s\\n' $LD_O
729}
730
dcd479c0 731check_ld(){
57bd82d4 732 log check_ld "$@"
66a1ccd7
MR
733 flags=$(filter_out '-l*' "$@")
734 libs=$(filter '-l*' "$@")
01d31e16 735 check_cc $($cflags_filter $flags) || return
64933b6c
MR
736 flags=$($ldflags_filter $flags)
737 libs=$($ldflags_filter $libs)
29b64b68 738 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
dcd479c0
MR
739}
740
5adc829e
MR
741check_code(){
742 log check_code "$@"
743 check=$1
744 headers=$2
745 code=$3
746 shift 3
747 {
748 for hdr in $headers; do
749 echo "#include <$hdr>"
750 done
751 echo "int main(void) { $code; return 0; }"
752 } | check_$check "$@"
753}
754
50a334e4
MR
755check_cppflags(){
756 log check_cppflags "$@"
caf458dd 757 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
758int x;
759EOF
760}
761
dcd479c0 762check_cflags(){
57bd82d4 763 log check_cflags "$@"
01d31e16 764 set -- $($cflags_filter "$@")
caf458dd 765 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
766int x;
767EOF
768}
769
2ed46eea
MR
770test_ldflags(){
771 log test_ldflags "$@"
772 check_ld "$@" <<EOF
c23a0ac8 773int main(void){ return 0; }
dcd479c0
MR
774EOF
775}
776
2ed46eea
MR
777check_ldflags(){
778 log check_ldflags "$@"
779 test_ldflags "$@" && add_ldflags "$@"
780}
781
dcd479c0 782check_header(){
57bd82d4 783 log check_header "$@"
dcd479c0
MR
784 header=$1
785 shift
b77df637
MR
786 disable_safe $header
787 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
788#include <$header>
789int x;
790EOF
791}
792
793check_func(){
57bd82d4 794 log check_func "$@"
dcd479c0
MR
795 func=$1
796 shift
d8bc5f06
MR
797 disable $func
798 check_ld "$@" <<EOF && enable $func
dcd479c0 799extern int $func();
c23a0ac8 800int main(void){ $func(); }
dcd479c0
MR
801EOF
802}
803
645d2652 804check_mathfunc(){
6b73c0ae 805 log check_mathfunc "$@"
645d2652 806 func=$1
1aa07aa2
MR
807 narg=$2
808 shift 2
809 test $narg = 2 && args="f, g" || args="f"
645d2652
MR
810 disable $func
811 check_ld "$@" <<EOF && enable $func
812#include <math.h>
1aa07aa2 813float foo(float f, float g) { return $func($args); }
33bd38db 814int main(void){ return 0; }
645d2652
MR
815EOF
816}
817
2446d3d6
DB
818check_func_headers(){
819 log check_func_headers "$@"
f8d7b072 820 headers=$1
edaf1ae2 821 funcs=$2
f8d7b072 822 shift 2
edaf1ae2
MR
823 {
824 for hdr in $headers; do
825 echo "#include <$hdr>"
826 done
827 for func in $funcs; do
828 echo "long check_$func(void) { return (long) $func; }"
829 done
830 echo "int main(void) { return 0; }"
831 } | check_ld "$@" && enable $funcs && enable_safe $headers
f8d7b072
MR
832}
833
a5344cf7
SS
834check_cpp_condition(){
835 log check_cpp_condition "$@"
836 header=$1
837 condition=$2
f855b7b9 838 shift 2
cd52ec95 839 check_cpp "$@" <<EOF
a5344cf7
SS
840#include <$header>
841#if !($condition)
842#error "unsatisfied condition: $condition"
843#endif
844EOF
845}
846
57bd82d4
MR
847check_lib(){
848 log check_lib "$@"
849 header="$1"
850 func="$2"
851 shift 2
84400e9d 852 check_header $header && check_func $func "$@" && add_extralibs "$@"
57bd82d4
MR
853}
854
f8d7b072
MR
855check_lib2(){
856 log check_lib2 "$@"
857 headers="$1"
edaf1ae2 858 funcs="$2"
f8d7b072 859 shift 2
edaf1ae2 860 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
f8d7b072
MR
861}
862
3f8040db
MR
863check_pkg_config(){
864 log check_pkg_config "$@"
865 pkg="$1"
866 headers="$2"
867 funcs="$3"
868 shift 3
869 $pkg_config --exists $pkg || return
870 pkg_cflags=$($pkg_config --cflags $pkg)
871 pkg_libs=$($pkg_config --libs $pkg)
872 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
873 set_safe ${pkg}_cflags $pkg_cflags &&
874 set_safe ${pkg}_libs $pkg_libs
875}
876
dcd479c0 877check_exec(){
2270b4b2 878 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
879}
880
7dfef245 881check_exec_crash(){
5e622c40 882 code=$(cat)
7dfef245
MR
883
884 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
885 # are safe but may not be available everywhere. Thus we use
886 # raise(SIGTERM) instead. The check is run in a subshell so we
887 # can redirect the "Terminated" message from the shell. SIGBUS
888 # is not defined by standard C so it is used conditionally.
889
2270b4b2 890 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
891#include <signal.h>
892static void sighandler(int sig){
893 raise(SIGTERM);
894}
692dd8ed
MR
895int foo(void){
896 $code
897}
e5af4a11 898int main(void){
7dfef245
MR
899 signal(SIGILL, sighandler);
900 signal(SIGFPE, sighandler);
901 signal(SIGSEGV, sighandler);
902#ifdef SIGBUS
903 signal(SIGBUS, sighandler);
904#endif
692dd8ed 905 foo();
7dfef245
MR
906}
907EOF
908}
909
72be9e73
DY
910check_type(){
911 log check_type "$@"
912 headers=$1
913 type=$2
914 shift 2
ae550ce9 915 disable_safe "$type"
5adc829e 916 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
72be9e73
DY
917}
918
14d36751
MR
919check_struct(){
920 log check_type "$@"
921 headers=$1
922 struct=$2
923 member=$3
924 shift 3
925 disable_safe "${struct}_${member}"
5adc829e
MR
926 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
927 enable_safe "${struct}_${member}"
14d36751
MR
928}
929
57bd82d4
MR
930require(){
931 name="$1"
932 header="$2"
933 func="$3"
934 shift 3
935 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
936}
937
f8d7b072
MR
938require2(){
939 name="$1"
940 headers="$2"
941 func="$3"
942 shift 3
943 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
944}
945
3f8040db
MR
946require_pkg_config(){
947 pkg="$1"
948 check_pkg_config "$@" || die "ERROR: $pkg not found"
949 add_cflags $(get_safe ${pkg}_cflags)
950 add_extralibs $(get_safe ${pkg}_libs)
951}
952
ae43c4c0
MR
953hostcc_o(){
954 eval printf '%s\\n' $HOSTCC_O
955}
956
f0125de9
MR
957check_host_cc(){
958 log check_host_cc "$@"
959 cat > $TMPC
960 log_file $TMPC
ae43c4c0 961 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
f0125de9
MR
962}
963
964check_host_cflags(){
965 log check_host_cflags "$@"
6c3fa06a 966 set -- $($host_cflags_filter "$@")
f0125de9
MR
967 check_host_cc "$@" <<EOF && append host_cflags "$@"
968int x;
969EOF
970}
971
c505dd31
MR
972apply(){
973 file=$1
974 shift
975 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
976}
977
c34681df 978cp_if_changed(){
5e27ec28
MR
979 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
980 mkdir -p "$(dirname $2)"
4ebc6a74 981 $cp_f "$1" "$2"
c34681df
MR
982}
983
dcd61286
DB
984# CONFIG_LIST contains configurable options, while HAVE_LIST is for
985# system-dependent things.
986
4a0d6686
AJ
987COMPONENT_LIST="
988 bsfs
989 decoders
990 demuxers
991 encoders
3cde40aa 992 filters
5666fd73 993 hwaccels
c552605c 994 indevs
4a0d6686 995 muxers
c552605c 996 outdevs
4a0d6686
AJ
997 parsers
998 protocols
999"
1000
d89f2fa9
DB
1001LIBRARY_LIST="
1002 avcodec
1003 avdevice
1004 avfilter
1005 avformat
1006 avresample
1007 avutil
1008 swscale
1009"
1010
055c61b8
DB
1011PROGRAM_LIST="
1012 avconv
1013 avplay
1014 avprobe
1015 avserver
055c61b8
DB
1016"
1017
4a0d6686
AJ
1018CONFIG_LIST="
1019 $COMPONENT_LIST
d89f2fa9 1020 $LIBRARY_LIST
055c61b8 1021 $PROGRAM_LIST
c88f5d72 1022 avisynth
f402916e 1023 bzlib
7f3f5f46 1024 dct
c73f65d9 1025 doc
05aec7bb 1026 dwt
92c6a099 1027 dxva2
1848f7d9 1028 fft
47941088 1029 frei0r
bc8c1395 1030 gnutls
c88f5d72 1031 gpl
d8d0d0b2 1032 gray
3abe5fbd 1033 hardcoded_tables
e417d80d 1034 libcdio
f7b8bffe 1035 libdc1394
2eed5a46 1036 libfaac
37eeb5e2 1037 libfdk_aac
a5b64584 1038 libfreetype
c88f5d72 1039 libgsm
3641b048 1040 libilbc
6ebe07fb 1041 libmp3lame
0b175caa
DB
1042 libopencore_amrnb
1043 libopencore_amrwb
6ebf0bfc 1044 libopencv
9a77d59a 1045 libopenjpeg
44617d6e 1046 libopus
0de9c41f 1047 libpulse
0f943ce6 1048 librtmp
f7cd9eed 1049 libschroedinger
ae14f311 1050 libspeex
150d2772 1051 libtheora
d89e738a 1052 libvo_aacenc
f502ff3f 1053 libvo_amrwbenc
c88f5d72 1054 libvorbis
8299a7f8 1055 libvpx
1cc60c47 1056 libx264
de295976 1057 libxavs
1cc60c47 1058 libxvid
b781cc12 1059 lsp
2a91ada8 1060 lzo
47a158cb 1061 mdct
c88f5d72 1062 memalign_hack
c88f5d72 1063 network
3fe142e2 1064 nonfree
a060866f 1065 openssl
8a3c8627 1066 pic
68602540 1067 rdft
e90f5b5a 1068 runtime_cpudetect
8cfbbd92 1069 safe_bitstream_reader
2e35e684 1070 shared
bd2216e4 1071 small
6b35d421 1072 sram
2e35e684 1073 static
a9ddb5b1 1074 swscale_alpha
8986fddc 1075 thumb
17492d5e 1076 vaapi
ac3dbb4d 1077 vda
17492d5e 1078 vdpau
9cad0e4e 1079 version3
7e4d9d5d 1080 xmm_clobber_test
56a059ac 1081 x11grab
c88f5d72 1082 zlib
4a0d6686 1083"
c88f5d72 1084
8eee7025 1085THREADS_LIST='
8eee7025
DB
1086 pthreads
1087 w32threads
1088'
1089
3f5b56e5 1090ARCH_LIST='
5873b623 1091 aarch64
3f5b56e5 1092 alpha
a2fc0f6a 1093 arm
fdcd782d
MR
1094 avr32
1095 avr32_ap
1096 avr32_uc
3f5b56e5
MR
1097 bfin
1098 ia64
1099 m68k
1100 mips
bae3abb0 1101 mips64
3f5b56e5 1102 parisc
79cb09b2 1103 ppc
34d11b87 1104 ppc64
3f5b56e5
MR
1105 s390
1106 sh4
1107 sparc
1108 sparc64
c75848cd
DB
1109 tilegx
1110 tilepro
0844bae1 1111 tomi
3f5b56e5
MR
1112 x86
1113 x86_32
1114 x86_64
1115'
1116
81dfa21e
MR
1117ARCH_EXT_LIST_ARM='
1118 armv5te
1119 armv6
1120 armv6t2
81dfa21e 1121 neon
b3267559 1122 vfp
81dfa21e
MR
1123 vfpv3
1124'
1125
50cd43f2 1126ARCH_EXT_LIST_X86='
3bf96eec 1127 amd3dnow
a1ef9f08 1128 amd3dnowext
50cd43f2
DB
1129 avx
1130 fma4
1131 mmx
1132 mmxext
1133 sse
1134 sse2
1135 sse3
1136 sse4
1137 sse42
1138 ssse3
1139'
1140
1141ARCH_EXT_LIST="
81dfa21e 1142 $ARCH_EXT_LIST_ARM
50cd43f2
DB
1143 $ARCH_EXT_LIST_X86
1144 altivec
799fde37 1145 ppc4xx
bd9d34a0 1146 vis
50cd43f2 1147"
3f5b56e5 1148
fd712a55
DB
1149HAVE_LIST_CMDLINE='
1150 inline_asm
1151 symver
1152 yasm
1153'
1154
a3e02a8c
MR
1155HAVE_LIST_PUB='
1156 bigendian
d268eee9 1157 fast_unaligned
a3e02a8c
MR
1158'
1159
79042ab3 1160MATH_FUNCS="
fab0a8b2
MR
1161 atanf
1162 atan2f
79042ab3 1163 cbrtf
fab0a8b2 1164 cosf
79042ab3
DB
1165 exp2
1166 exp2f
fab0a8b2 1167 expf
79042ab3
DB
1168 isinf
1169 isnan
fab0a8b2 1170 ldexpf
79042ab3
DB
1171 llrint
1172 llrintf
1173 log2
1174 log2f
fab0a8b2 1175 log10f
79042ab3
DB
1176 lrint
1177 lrintf
fab0a8b2 1178 powf
79042ab3
DB
1179 rint
1180 round
1181 roundf
fab0a8b2 1182 sinf
79042ab3
DB
1183 trunc
1184 truncf
1185"
1186
3f5b56e5
MR
1187HAVE_LIST="
1188 $ARCH_EXT_LIST
43b73d59
DB
1189 $(add_suffix _external $ARCH_EXT_LIST)
1190 $(add_suffix _inline $ARCH_EXT_LIST)
fd712a55 1191 $HAVE_LIST_CMDLINE
a3e02a8c 1192 $HAVE_LIST_PUB
3f5b56e5 1193 $THREADS_LIST
79042ab3 1194 $MATH_FUNCS
be1a839c 1195 aligned_malloc
59782b82 1196 aligned_stack
35fd8122 1197 alsa_asoundlib_h
3f5b56e5 1198 altivec_h
c9fdab0d 1199 arpa_inet_h
ec9d2c15 1200 asm_mod_q
6308729e 1201 asm_mod_y
dffb41b9 1202 attribute_may_alias
e7ea5e3d 1203 attribute_packed
ecf97f22 1204 closesocket
1ac9331a 1205 cmov
15caccb9 1206 CommandLineToArgvW
180d43bc 1207 cpunop
1093383d 1208 CryptGenRandom
c88f5d72 1209 dcbzl
f8aa696f
DB
1210 dev_bktr_ioctl_bt848_h
1211 dev_bktr_ioctl_meteor_h
1212 dev_ic_bt8xx_h
f8aa696f 1213 dev_video_bktr_ioctl_bt848_h
3e0b1c9a 1214 dev_video_meteor_ioctl_meteor_h
ca6b544a 1215 direct_h
18b67ae5 1216 dlfcn_h
c88f5d72 1217 dlopen
bc574408 1218 dos_paths
fa845061 1219 dxva_h
245626d0
DB
1220 ebp_available
1221 ebx_available
c2a29455 1222 fast_64bit
669b5583 1223 fast_clz
7073e9fc 1224 fast_cmov
534a2231 1225 fcntl
9d99cc5a 1226 fork
84882df6 1227 getaddrinfo
da9e86f8 1228 gethrtime
667fb97a 1229 getopt
02e8f427 1230 GetProcessAffinityMask
fc5607f8 1231 GetProcessMemoryInfo
4e68cb8a 1232 GetProcessTimes
61183b5a 1233 GetSystemTimeAsFileTime
66be5b45 1234 getrusage
c3e73100 1235 getservbyport
61183b5a 1236 gettimeofday
a49d3025 1237 gnu_as
2f0c136e 1238 ibm_asm
2e1913b1 1239 inet_aton
3b1ab197 1240 io_h
abfc8d05 1241 isatty
8772997d 1242 jack_port_get_latency_range
9f5ff83f 1243 ldbrx
0b4a1821
AS
1244 libdc1394_1
1245 libdc1394_2
d96cd429
MR
1246 local_aligned_16
1247 local_aligned_8
a5b64584 1248 localtime_r
85dd97ad 1249 loongson
f8aa696f
DB
1250 machine_ioctl_bt848_h
1251 machine_ioctl_meteor_h
c88f5d72 1252 malloc_h
73f6d31e 1253 MapViewOfFile
c88f5d72 1254 memalign
6ffa87d3 1255 mkstemp
f80ddd5b 1256 mm_empty
0328b9ea 1257 mmap
e98b02de 1258 mprotect
4fa661a8 1259 msvcrt
d3d3a32c 1260 nanosleep
3e0b1c9a 1261 poll_h
1f91cdce 1262 posix_memalign
07b28702 1263 rdtsc
ea4d5f48 1264 sched_getaffinity
c88f5d72
MR
1265 sdl
1266 sdl_video_size
7e6a11bc 1267 SetConsoleTextAttribute
b507ebd1 1268 setmode
3e0b1c9a 1269 setrlimit
d3d3a32c 1270 Sleep
15d59d2c 1271 sndio_h
72be9e73 1272 socklen_t
deb29777 1273 soundcard_h
87958234 1274 strerror_r
6379900c 1275 strptime
47941088 1276 strtok_r
c0018613 1277 struct_addrinfo
75d339e0
MS
1278 struct_group_source_req
1279 struct_ip_mreq_source
b4d68544 1280 struct_ipv6_mreq
cdee08e3 1281 struct_pollfd
3e0b1c9a 1282 struct_rusage_ru_maxrss
b4d68544 1283 struct_sockaddr_in6
3b2372bf 1284 struct_sockaddr_sa_len
33a4dbdd 1285 struct_sockaddr_storage
a6a4793d 1286 struct_v4l2_frmivalenum_discrete
b462d132 1287 symver_asm_label
3e0b1c9a 1288 symver_gnu_asm
bcc73960 1289 sysconf
b9e22269 1290 sysctl
b58412f1 1291 sys_mman_h
06bb5905 1292 sys_param_h
b091aa44 1293 sys_resource_h
81644c2e 1294 sys_select_h
deb29777 1295 sys_soundcard_h
e64bceea 1296 sys_time_h
1b6e8b73 1297 sys_videoio_h
b265431e 1298 threads
542920b7 1299 unistd_h
d3d3a32c 1300 usleep
ce742de2 1301 vfp_args
7c5bfe7a 1302 VirtualAlloc
d3d3a32c 1303 windows_h
6ff3f3e7 1304 winsock2_h
cc078b5d 1305 xform_asm
6f74fb03 1306 xmm_clobbers
0cb78cef 1307"
44161118 1308
511cf612 1309# options emitted with CONFIG_ prefix but not available on the command line
b6bb00b0 1310CONFIG_EXTRA="
87849592 1311 aandcttables
bfe9f48a 1312 ac3dsp
c292f6a2 1313 error_resilience
bfe9f48a 1314 gcrypt
478fd534 1315 golomb
9cad0e4e 1316 gplv3
478fd534
DB
1317 h264chroma
1318 h264dsp
1319 h264pred
915a2a0a 1320 h264qpel
478fd534 1321 huffman
9cad0e4e 1322 lgplv3
478fd534 1323 lpc
1e164c0b 1324 mpegaudio
bfe9f48a 1325 mpegaudiodsp
18bbca1f 1326 mpegvideo
ad08dfd5 1327 mpegvideoenc
bfe9f48a 1328 nettle
f704a079 1329 rangecoder
bfe9f48a
DB
1330 rtpdec
1331 sinewin
8c53d39e 1332 videodsp
ab9f9876 1333 vp3dsp
b6bb00b0
MR
1334"
1335
520cc7f1 1336CMDLINE_SELECT="
3f5b56e5 1337 $ARCH_EXT_LIST
520cc7f1 1338 $CONFIG_LIST
fd712a55 1339 $HAVE_LIST_CMDLINE
8eee7025 1340 $THREADS_LIST
c8a4ae00 1341 asm
db6107b6 1342 cross_compile
520cc7f1
MR
1343 debug
1344 extra_warnings
8c6afa4d 1345 logging
65d12900 1346 lto
d2bbb2f7 1347 optimizations
520cc7f1 1348"
426be5dc
DB
1349
1350PATHS_LIST='
d156bede 1351 bindir
14a8acf1 1352 datadir
26759c44
MR
1353 incdir
1354 libdir
26759c44
MR
1355 mandir
1356 prefix
1357 shlibdir
426be5dc
DB
1358'
1359
1360CMDLINE_SET="
1361 $PATHS_LIST
121d78d0 1362 ar
426be5dc 1363 arch
313c46a6 1364 as
426be5dc
DB
1365 build_suffix
1366 cc
1367 cpu
1368 cross_prefix
50567afa 1369 dep_cc
ac63af34 1370 extra_version
9da6609f
MR
1371 host_cc
1372 host_cflags
095792f2 1373 host_ld
9da6609f
MR
1374 host_ldflags
1375 host_libs
82bb3329 1376 host_os
684b28e0 1377 ld
426be5dc 1378 logfile
4ae40685 1379 malloc_prefix
89641463 1380 nm
9cd7b854 1381 optflags
3f8040db 1382 pkg_config
154caa67 1383 random_seed
2fad0977 1384 samples
c5200f17
MR
1385 sysinclude
1386 sysroot
a7ada2ba 1387 target_exec
26759c44 1388 target_os
a7ada2ba 1389 target_path
aeeb782c 1390 toolchain
426be5dc 1391"
520cc7f1 1392
89f2932b
MR
1393CMDLINE_APPEND="
1394 extra_cflags
1395"
1396
912f3148
DB
1397# code dependency declarations
1398
9eeed841 1399# architecture extensions
808fa33c 1400
a2fc0f6a
MR
1401armv5te_deps="arm"
1402armv6_deps="arm"
ab5cb084 1403armv6t2_deps="arm"
808fa33c 1404neon_deps="arm"
b3267559
MR
1405vfp_deps="arm"
1406vfpv3_deps="vfp"
808fa33c 1407
637606de
MR
1408map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1409
808fa33c
MR
1410altivec_deps="ppc"
1411ppc4xx_deps="ppc"
1412
1413vis_deps="sparc"
1414
7f8c3d1f 1415x86_64_suggest="cmov fast_cmov"
50cd43f2 1416
808fa33c
MR
1417amd3dnow_deps="mmx"
1418amd3dnowext_deps="amd3dnow"
9eeed841 1419mmx_deps="x86"
239fdf1b 1420mmxext_deps="mmx"
50cd43f2
DB
1421sse_deps="mmxext"
1422sse2_deps="sse"
1423sse3_deps="sse2"
1424ssse3_deps="sse3"
1425sse4_deps="ssse3"
1426sse42_deps="sse4"
1427avx_deps="sse42"
79687079 1428fma4_deps="avx"
9eeed841 1429
43b73d59
DB
1430mmx_external_deps="yasm"
1431mmx_inline_deps="inline_asm"
1432mmx_suggest="mmx_external mmx_inline"
1433
1434for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1435 eval dep=\$${ext}_deps
1436 eval ${ext}_external_deps='"${dep}_external"'
1437 eval ${ext}_inline_deps='"${dep}_inline"'
1438 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1439done
1440
59782b82 1441aligned_stack_if_any="ppc x86"
e939cedd 1442fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
f0fe245b
MR
1443fast_clz_if_any="alpha avr32 mips ppc x86"
1444fast_unaligned_if_any="ppc x86"
669b5583 1445
6fec122a 1446inline_asm_deps="!tms470"
3e0b1c9a 1447need_memalign="altivec neon sse"
89e053f8 1448
b462d132
MR
1449symver_if_any="symver_asm_label symver_gnu_asm"
1450
88a35699
MS
1451log2_deps="!msvcrt"
1452
26fbcc85 1453# subsystems
dc609252 1454dct_select="rdft"
26fbcc85
MR
1455mdct_select="fft"
1456rdft_select="fft"
1e164c0b 1457mpegaudio_select="mpegaudiodsp"
c4f5c2d6 1458mpegaudiodsp_select="dct"
ed40b6bf 1459mpegvideo_select="videodsp"
ad08dfd5 1460mpegvideoenc_select="mpegvideo"
26fbcc85 1461
ed40b6bf 1462# decoders / encoders
cfc2a0cf 1463aac_decoder_select="mdct sinewin"
4538729a 1464aac_encoder_select="mdct sinewin"
136e19e1 1465aac_latm_decoder_select="aac_decoder aac_latm_parser"
6d9f52b2 1466ac3_decoder_select="mdct ac3dsp ac3_parser"
a5444fee 1467ac3_encoder_select="mdct ac3dsp"
3d269059 1468ac3_fixed_encoder_select="mdct ac3dsp"
f4d608e3 1469alac_encoder_select="lpc"
b781cc12 1470amrnb_decoder_select="lsp"
2b2a597e 1471amrwb_decoder_select="lsp"
4538729a 1472atrac1_decoder_select="mdct sinewin"
26fbcc85 1473atrac3_decoder_select="mdct"
a33657ce
DB
1474binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1475binkaudio_rdft_decoder_select="mdct rdft sinewin"
18bbca1f 1476cavs_decoder_select="golomb mpegvideo"
9b500b8f 1477comfortnoise_encoder_select="lpc"
4538729a 1478cook_decoder_select="mdct sinewin"
2a91ada8 1479cscd_decoder_select="lzo"
2eef7c62 1480cscd_decoder_suggest="zlib"
26fbcc85 1481dca_decoder_select="mdct"
ad08dfd5 1482dnxhd_encoder_select="aandcttables mpegvideoenc"
2eef7c62 1483dxa_decoder_select="zlib"
baf91bb9 1484eac3_decoder_select="ac3_decoder"
4264a0dd 1485eac3_encoder_select="ac3_encoder"
69804535 1486eamad_decoder_select="aandcttables error_resilience mpegvideo"
87849592 1487eatgq_decoder_select="aandcttables"
c292f6a2 1488eatqi_decoder_select="aandcttables error_resilience mpegvideo"
f704a079
DB
1489ffv1_decoder_select="golomb rangecoder"
1490ffv1_encoder_select="rangecoder"
5a582bd3 1491ffvhuff_encoder_select="huffman"
4f034993 1492flac_decoder_select="golomb"
f4d608e3 1493flac_encoder_select="golomb lpc"
2eef7c62
AJ
1494flashsv_decoder_select="zlib"
1495flashsv_encoder_select="zlib"
c2d23309 1496flashsv2_decoder_select="zlib"
4414137e 1497flv_decoder_select="h263_decoder"
4d4b4bd1 1498flv_encoder_select="h263_encoder"
3447f12d 1499fraps_decoder_select="huffman"
c292f6a2 1500h261_decoder_select="error_resilience mpegvideo"
ad08dfd5 1501h261_encoder_select="aandcttables mpegvideoenc"
c292f6a2
DB
1502h263_decoder_select="error_resilience h263_parser mpegvideo"
1503h263_encoder_select="aandcttables error_resilience mpegvideoenc"
4414137e 1504h263i_decoder_select="h263_decoder"
fe629c2d 1505h263p_encoder_select="h263_encoder"
c292f6a2 1506h264_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
5a582bd3 1507huffyuv_encoder_select="huffman"
19be0f3c 1508iac_decoder_select="fft mdct sinewin"
56c8227d 1509imc_decoder_select="fft mdct sinewin"
4f034993
MR
1510jpegls_decoder_select="golomb"
1511jpegls_encoder_select="golomb"
ad08dfd5 1512ljpeg_encoder_select="aandcttables mpegvideoenc"
4f034993 1513loco_decoder_select="golomb"
c292f6a2 1514mdec_decoder_select="error_resilience mpegvideo"
ad08dfd5 1515mjpeg_encoder_select="aandcttables mpegvideoenc"
2cca233b 1516mlp_decoder_select="mlp_parser"
1e164c0b
DB
1517mp1_decoder_select="mpegaudio"
1518mp1float_decoder_select="mpegaudio"
1519mp2_decoder_select="mpegaudio"
1520mp2float_decoder_select="mpegaudio"
1521mp3_decoder_select="mpegaudio"
1522mp3adu_decoder_select="mpegaudio"
1523mp3adufloat_decoder_select="mpegaudio"
1524mp3float_decoder_select="mpegaudio"
1525mp3on4_decoder_select="mpegaudio"
1526mp3on4float_decoder_select="mpegaudio"
606c9297
DB
1527mpc7_decoder_select="mpegaudiodsp"
1528mpc8_decoder_select="mpegaudiodsp"
3e0b1c9a
DB
1529mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1530mpeg_xvmc_decoder_select="mpegvideo_decoder"
c292f6a2
DB
1531mpeg1video_decoder_select="error_resilience mpegvideo"
1532mpeg1video_encoder_select="aandcttables error_resilience mpegvideoenc"
c292f6a2
DB
1533mpeg2video_decoder_select="error_resilience mpegvideo"
1534mpeg2video_encoder_select="aandcttables error_resilience mpegvideoenc"
3e0b1c9a
DB
1535mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1536mpeg4_encoder_select="h263_encoder"
4414137e 1537msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1538msmpeg4v1_encoder_select="h263_encoder"
4414137e 1539msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1540msmpeg4v2_encoder_select="h263_encoder"
4414137e 1541msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1542msmpeg4v3_encoder_select="h263_encoder"
ee769c6a 1543mss2_decoder_select="vc1_decoder"
4538729a
MR
1544nellymoser_decoder_select="mdct sinewin"
1545nellymoser_encoder_select="mdct sinewin"
2a91ada8 1546nuv_decoder_select="lzo"
2eef7c62
AJ
1547png_decoder_select="zlib"
1548png_encoder_select="zlib"
b781cc12 1549qcelp_decoder_select="lsp"
c4f5c2d6 1550qdm2_decoder_select="mdct rdft mpegaudiodsp"
31ed3f1f 1551ra_144_encoder_select="lpc"
9f43fdda 1552ralf_decoder_select="golomb"
a8beb22f 1553rv10_decoder_select="h263_decoder"
b2bf38b4 1554rv10_encoder_select="h263_encoder"
a8beb22f 1555rv20_decoder_select="h263_decoder"
b2bf38b4 1556rv20_encoder_select="h263_encoder"
c292f6a2
DB
1557rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1558rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
4f034993 1559shorten_decoder_select="golomb"
b781cc12 1560sipr_decoder_select="lsp"
f704a079
DB
1561snow_decoder_select="dwt rangecoder"
1562snow_encoder_select="aandcttables dwt error_resilience mpegvideoenc rangecoder"
c292f6a2
DB
1563svq1_decoder_select="error_resilience mpegvideo"
1564svq1_encoder_select="aandcttables error_resilience mpegvideoenc"
1565svq3_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
bee2eac5 1566svq3_decoder_suggest="zlib"
4eef77c1 1567theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1568tiff_decoder_suggest="zlib"
1569tiff_encoder_suggest="zlib"
aec09a00 1570truehd_decoder_select="mlp_decoder"
2eef7c62 1571tscc_decoder_select="zlib"
4538729a 1572twinvq_decoder_select="mdct lsp sinewin"
aa661113 1573utvideo_encoder_select="huffman"
915a2a0a 1574vc1_decoder_select="h263_decoder h264chroma h264qpel"
45ecda85 1575vc1image_decoder_select="vc1_decoder"
26fbcc85
MR
1576vorbis_decoder_select="mdct"
1577vorbis_encoder_select="mdct"
8c53d39e
RB
1578vp3_decoder_select="vp3dsp videodsp"
1579vp5_decoder_select="vp3dsp videodsp"
1580vp6_decoder_select="huffman vp3dsp videodsp"
e82dc4c9
DB
1581vp6a_decoder_select="vp6_decoder"
1582vp6f_decoder_select="vp6_decoder"
8c53d39e 1583vp8_decoder_select="h264pred videodsp"
4538729a
MR
1584wmapro_decoder_select="mdct sinewin"
1585wmav1_decoder_select="mdct sinewin"
1586wmav1_encoder_select="mdct sinewin"
1587wmav2_decoder_select="mdct sinewin"
1588wmav2_encoder_select="mdct sinewin"
1589wmavoice_decoder_select="lsp rdft dct mdct sinewin"
f95bfab0 1590wmv1_decoder_select="h263_decoder"
665507aa 1591wmv1_encoder_select="h263_encoder"
f95bfab0 1592wmv2_decoder_select="h263_decoder"
1746e2a9 1593wmv2_encoder_select="h263_encoder"
015f8ee0 1594wmv3_decoder_select="vc1_decoder"
45ecda85 1595wmv3image_decoder_select="wmv3_decoder"
0e714f88 1596zerocodec_decoder_select="zlib"
2eef7c62
AJ
1597zlib_decoder_select="zlib"
1598zlib_encoder_select="zlib"
1599zmbv_decoder_select="zlib"
1600zmbv_encoder_select="zlib"
30fd06be 1601
ed40b6bf 1602# hardware accelerators
0afab17e 1603vaapi_deps="va_va_h"
ac3dbb4d 1604vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
c89c96e9
MR
1605vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1606
ed40b6bf
DB
1607h263_vaapi_hwaccel_select="vaapi h263_decoder"
1608h264_dxva2_hwaccel_deps="dxva2api_h"
1609h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1610h264_vaapi_hwaccel_select="vaapi h264_decoder"
1611h264_vda_hwaccel_select="vda h264_decoder"
1612h264_vdpau_decoder_select="vdpau h264_decoder"
1613mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1614mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1615mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1616mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1617mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1618mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1619mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1620vc1_dxva2_hwaccel_deps="dxva2api_h"
1621vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1622vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1623vc1_vdpau_decoder_select="vdpau vc1_decoder"
1624wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1625wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1626wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1627
28b80940 1628# parsers
c292f6a2
DB
1629h264_parser_select="error_resilience golomb h264dsp h264pred mpegvideo"
1630mpeg4video_parser_select="error_resilience mpegvideo"
1631mpegvideo_parser_select="error_resilience mpegvideo"
1632vc1_parser_select="error_resilience mpegvideo"
28b80940 1633
912f3148 1634# external libraries
c9171a83 1635libfaac_encoder_deps="libfaac"
37eeb5e2 1636libfdk_aac_encoder_deps="libfdk_aac"
299c77d5
MR
1637libgsm_decoder_deps="libgsm"
1638libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1639libgsm_ms_decoder_deps="libgsm"
1640libgsm_ms_encoder_deps="libgsm"
3641b048
MS
1641libilbc_decoder_deps="libilbc"
1642libilbc_encoder_deps="libilbc"
1cc60c47 1643libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1644libopencore_amrnb_decoder_deps="libopencore_amrnb"
1645libopencore_amrnb_encoder_deps="libopencore_amrnb"
1646libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1647libopenjpeg_decoder_deps="libopenjpeg"
453c02f9 1648libopenjpeg_encoder_deps="libopenjpeg"
44617d6e 1649libopus_decoder_deps="libopus"
6cb8c854 1650libopus_encoder_deps="libopus"
f7cd9eed
AS
1651libschroedinger_decoder_deps="libschroedinger"
1652libschroedinger_encoder_deps="libschroedinger"
ae14f311 1653libspeex_decoder_deps="libspeex"
b606a017 1654libspeex_encoder_deps="libspeex"
150d2772 1655libtheora_encoder_deps="libtheora"
d89e738a 1656libvo_aacenc_encoder_deps="libvo_aacenc"
f502ff3f 1657libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
b0caf888 1658libvorbis_encoder_deps="libvorbis"
8299a7f8 1659libvpx_decoder_deps="libvpx"
ee0e9146 1660libvpx_encoder_deps="libvpx"
1cc60c47 1661libx264_encoder_deps="libx264"
de295976 1662libxavs_encoder_deps="libxavs"
1cc60c47 1663libxvid_encoder_deps="libxvid"
30fd06be 1664
912f3148 1665# demuxers / muxers
c2dd0e9e 1666ac3_demuxer_select="ac3_parser"
647c2356 1667asf_stream_muxer_select="asf_muxer"
4e622dea 1668avisynth_demuxer_deps="avisynth"
c2dd0e9e 1669dirac_demuxer_select="dirac_parser"
5b423887 1670eac3_demuxer_select="ac3_parser"
c2dd0e9e 1671flac_demuxer_select="flac_parser"
647c2356 1672ipod_muxer_select="mov_muxer"
31f16dc1 1673ismv_muxer_select="mov_muxer"
647c2356 1674matroska_audio_muxer_select="matroska_muxer"
2a91ada8 1675matroska_demuxer_suggest="bzlib lzo zlib"
4e622dea 1676mov_demuxer_suggest="zlib"
c2dd0e9e 1677mp3_demuxer_select="mpegaudio_parser"
647c2356 1678mp4_muxer_select="mov_muxer"
18bbca1f 1679mpegts_muxer_select="adts_muxer latm_muxer mpegvideo"
647c2356
DB
1680mpegtsraw_demuxer_select="mpegts_demuxer"
1681mxf_d10_muxer_select="mxf_muxer"
24ca518b 1682ogg_demuxer_select="golomb"
647c2356 1683psp_muxer_select="mov_muxer"
44594cc7 1684rtp_demuxer_select="sdp_demuxer"
18bbca1f 1685rtp_muxer_select="mpegvideo"
44b70ce5
MS
1686rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1687rtsp_demuxer_select="http_protocol rtpdec"
1688rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
01c8d258 1689sap_demuxer_select="sdp_demuxer"
2aab70c4 1690sap_muxer_select="rtp_muxer rtp_protocol"
44b70ce5 1691sdp_demuxer_select="rtpdec"
e772f9fa 1692smoothstreaming_muxer_select="ismv_muxer"
f1e94694 1693spdif_muxer_select="aac_parser"
57231e4d 1694tak_demuxer_select="tak_parser"
647c2356
DB
1695tg2_muxer_select="mov_muxer"
1696tgp_muxer_select="mov_muxer"
6bdaa5f4 1697w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1698
1699# indevs / outdevs
38e54a75 1700alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
38e54a75 1701alsa_outdev_deps="alsa_asoundlib_h"
38e54a75 1702bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75 1703dv1394_indev_deps="dv1394 dv_demuxer"
c6f95144 1704fbdev_indev_deps="linux_fb_h"
38e54a75 1705jack_indev_deps="jack_jack_h"
e417d80d 1706libcdio_indev_deps="libcdio"
38e54a75 1707libdc1394_indev_deps="libdc1394"
38e54a75
SS
1708oss_indev_deps_any="soundcard_h sys_soundcard_h"
1709oss_outdev_deps_any="soundcard_h sys_soundcard_h"
0de9c41f 1710pulse_indev_deps="libpulse"
15d59d2c
B
1711sndio_indev_deps="sndio_h"
1712sndio_outdev_deps="sndio_h"
38e54a75 1713v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
ec1ee802 1714vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
a1b3c5a3 1715vfwcap_indev_extralibs="-lavicap32"
24f8961f 1716x11grab_indev_deps="x11grab XShmCreateImage"
30fd06be 1717
912f3148 1718# protocols
acd554c1
SP
1719ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1720ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1721ffrtmpcrypt_protocol_select="tcp_protocol"
775c4d36
SP
1722ffrtmphttp_protocol_deps="!librtmp_protocol"
1723ffrtmphttp_protocol_select="http_protocol"
998c1ee1 1724gopher_protocol_select="network"
c40e1757 1725httpproxy_protocol_select="tcp_protocol"
279a0c97 1726http_protocol_select="tcp_protocol"
183baead 1727https_protocol_select="tls_protocol"
c3b57d6e
DB
1728librtmp_protocol_deps="librtmp"
1729librtmpe_protocol_deps="librtmp"
1730librtmps_protocol_deps="librtmp"
1731librtmpt_protocol_deps="librtmp"
1732librtmpte_protocol_deps="librtmp"
c60a2d70 1733mmsh_protocol_select="http_protocol"
998c1ee1 1734mmst_protocol_select="network"
c3b57d6e 1735rtmp_protocol_deps="!librtmp_protocol"
deeb7012 1736rtmp_protocol_select="tcp_protocol"
acd554c1 1737rtmpe_protocol_select="ffrtmpcrypt_protocol"
6aedabc9
SP
1738rtmps_protocol_deps="!librtmp_protocol"
1739rtmps_protocol_select="tls_protocol"
775c4d36 1740rtmpt_protocol_select="ffrtmphttp_protocol"
08cd95e8 1741rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
6c1ed454 1742rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
deeb7012 1743rtp_protocol_select="udp_protocol"
998c1ee1
DB
1744sctp_protocol_deps="struct_sctp_event_subscribe"
1745sctp_protocol_select="network"
1746tcp_protocol_select="network"
558d192d
MS
1747tls_protocol_deps_any="openssl gnutls"
1748tls_protocol_select="tcp_protocol"
998c1ee1 1749udp_protocol_select="network"
c08fb000 1750
6ebf0bfc 1751# filters
13fabd7a 1752blackframe_filter_deps="gpl"
ce6b6ef6 1753boxblur_filter_deps="gpl"
68b79bfc 1754cropdetect_filter_deps="gpl"
b157be1f 1755delogo_filter_deps="gpl"
a5b64584 1756drawtext_filter_deps="libfreetype"
2e5ff4d0 1757frei0r_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1758frei0r_filter_extralibs='$ldl'
a42bb9d6 1759frei0r_src_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1760frei0r_src_filter_extralibs='$ldl'
a4dc7aa5 1761hqdn3d_filter_deps="gpl"
d371e7b9 1762resample_filter_deps="avresample"
cf69ad35 1763ocv_filter_deps="libopencv"
2f296e39 1764scale_filter_deps="swscale"
acbac567 1765yadif_filter_deps="gpl"
6ebf0bfc 1766
5a0f7131 1767# libraries
d89f2fa9
DB
1768avcodec_deps="avutil"
1769avdevice_deps="avutil avcodec avformat"
1770avfilter_deps="avutil"
1771avformat_deps="avutil avcodec"
1772avresample_deps="avutil"
1773swscale_deps="avutil"
f7679c54 1774
912f3148 1775# programs
54fd593a 1776avconv_deps="avcodec avfilter avformat avresample swscale"
0a0e340f
DB
1777avconv_select="aformat_filter anull_filter asyncts_filter format_filter
1778 fps_filter null_filter resample_filter scale_filter
1779 setpts_filter"
d173ede1 1780avplay_deps="avcodec avformat avresample swscale sdl"
266463da 1781avplay_select="rdft"
9e12f0bf 1782avprobe_deps="avcodec avformat"
b263bf66 1783avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
4d58e4cb 1784avserver_extralibs='$ldl'
a2830dca 1785
c73f65d9 1786doc_deps="texi2html"
912f3148 1787
de6d9b64 1788# default parameters
8a608357 1789
19bd477d 1790logfile="config.log"
8a608357
MR
1791
1792# installation paths
c9d19248
MR
1793prefix_default="/usr/local"
1794bindir_default='${prefix}/bin'
6291d7e4 1795datadir_default='${prefix}/share/avconv'
c9d19248
MR
1796incdir_default='${prefix}/include'
1797libdir_default='${prefix}/lib'
1798mandir_default='${prefix}/share/man'
1799shlibdir_default="$libdir_default"
8a608357
MR
1800
1801# toolchain
121d78d0 1802ar_default="ar"
13c7df3d 1803cc_default="gcc"
9da6609f 1804host_cc_default="gcc"
4ebc6a74 1805cp_f="cp -f"
11e6d03a 1806ln_s="ln -sf"
2a8a860a 1807nm_default="nm -g"
11e6d03a 1808objformat="elf"
3f8040db 1809pkg_config_default=pkg-config
be7109c1 1810ranlib="ranlib"
11e6d03a 1811yasmexe="yasm"
8a608357 1812
3e0b1c9a 1813nogas=":"
8182dc34 1814
8a608357 1815# machine
8d4c00ed 1816arch_default=$(uname -m)
38d0a8aa 1817cpu="generic"
8a608357 1818
8a608357 1819# OS
8d4c00ed
MR
1820target_os_default=$(tolower $(uname -s))
1821host_os=$target_os_default
8a608357 1822
8a608357 1823# configurable options
d89f2fa9 1824enable $LIBRARY_LIST $PROGRAM_LIST
3e0b1c9a 1825
3e0b1c9a
DB
1826enable asm
1827enable debug
1828enable doc
8400d6b8 1829enable optimizations
8cfbbd92 1830enable safe_bitstream_reader
530dc538 1831enable static
a9ddb5b1 1832enable swscale_alpha
8a608357 1833
8a608357 1834# build settings
9987769a 1835SHFLAGS='-shared -Wl,-soname,$$(@F)'
4d58e4cb 1836AVSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1837LIBPREF="lib"
1838LIBSUF=".a"
c5f14466
RP
1839FULLNAME='$(NAME)$(BUILDSUF)'
1840LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1841SLIBPREF="lib"
1842SLIBSUF=".so"
c5f14466 1843SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1844SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1845SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1846LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2f138f0b
MR
1847SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1848SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
ef0bc4c9 1849
68485d1f
MR
1850asflags_filter=echo
1851cflags_filter=echo
64933b6c
MR
1852ldflags_filter=echo
1853
23565c26 1854AS_C='-c'
bc877faf 1855AS_O='-o $@'
23565c26 1856CC_C='-c'
18031c49 1857CC_E='-E -o $@'
7e6c86e6 1858CC_O='-o $@'
a758c5e2 1859LD_O='-o $@'
8db73c61
MR
1860LD_LIB='-l%'
1861LD_PATH='-L'
23565c26 1862HOSTCC_C='-c'
a758c5e2 1863HOSTCC_O='-o $@'
095792f2 1864HOSTLD_O='-o $@'
7e6c86e6 1865
1d01fee9 1866host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
9da6609f 1867host_libs='-lm'
6c3fa06a
MR
1868host_cflags_filter=echo
1869host_ldflags_filter=echo
9da6609f 1870
9b861379 1871target_path='$(CURDIR)'
a7ada2ba 1872
a158446b
MR
1873# since the object filename is not given with the -MM flag, the compiler
1874# is only able to print the basename, and we must add the path ourselves
a758c5e2
MR
1875DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1876DEPFLAGS='-MM'
315c741d 1877
c597172e 1878# find source path
24524f36 1879if test -f configure; then
f038cf3c 1880 source_path=.
c597172e 1881else
8477f2de 1882 source_path=$(cd $(dirname "$0"); pwd)
c597172e 1883 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1884 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1885 test -e "$source_path/config.h" &&
1886 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1887fi
1888
13cbe2c0 1889for v in "$@"; do
b04251c5
MR
1890 r=${v#*=}
1891 l=${v%"$r"}
1892 r=$(sh_quote "$r")
29ba0911 1893 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
13cbe2c0 1894done
c597172e 1895
73ef8980
MR
1896find_things(){
1897 thing=$1
1898 pattern=$2
1899 file=$source_path/$3
932ccf39 1900 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1901}
1902
1903ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1904DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1905HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1906PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1907BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1908MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1909DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1910OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1911INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1912PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1913FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1914
54e75be4
DB
1915ALL_COMPONENTS="
1916 $BSF_LIST
1917 $DECODER_LIST
1918 $DEMUXER_LIST
1919 $ENCODER_LIST
1920 $FILTER_LIST
1921 $HWACCEL_LIST
1922 $INDEV_LIST
1923 $MUXER_LIST
1924 $OUTDEV_LIST
1925 $PARSER_LIST
1926 $PROTOCOL_LIST
1927"
1928
8469ae22
MR
1929for n in $COMPONENT_LIST; do
1930 v=$(toupper ${n%s})_LIST
1931 eval enable \$$v
1932 eval ${n}_if_any="\$$v"
1933done
1934
4b587848
DB
1935disable snow_decoder snow_encoder
1936
206a070d 1937enable $ARCH_EXT_LIST
c597172e
MR
1938
1939die_unknown(){
1940 echo "Unknown option \"$1\"."
1941 echo "See $0 --help for available options."
1942 exit 1
1943}
1944
794f8e97 1945show_list() {
bf0c4afa
RP
1946 suffix=_$1
1947 shift
2b444ea7 1948 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1949 exit 0
1950}
1951
154caa67
MR
1952rand_list(){
1953 IFS=', '
1954 set -- $*
1955 unset IFS
1956 for thing; do
1957 comp=${thing%:*}
1958 prob=${thing#$comp}
1959 prob=${prob#:}
1960 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
1961 echo "prob ${prob:-0.5}"
1962 printf '%s\n' $comp
1963 done
1964}
1965
1966do_random(){
1967 action=$1
1968 shift
1969 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
1970 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
1971}
1972
c597172e 1973for opt do
7483e694
DB
1974 optval="${opt#*=}"
1975 case "$opt" in
ea061af1
DB
1976 --extra-ldflags=*)
1977 add_ldflags $optval
7e9e7cc2 1978 ;;
ea061af1
DB
1979 --extra-libs=*)
1980 add_extralibs $optval
7e9e7cc2 1981 ;;
ea061af1
DB
1982 --disable-devices)
1983 disable $INDEV_LIST $OUTDEV_LIST
7e9e7cc2 1984 ;;
ea061af1
DB
1985 --enable-debug=*)
1986 debuglevel="$optval"
7e9e7cc2
MR
1987 ;;
1988 --disable-programs)
1989 disable $PROGRAM_LIST
1990 ;;
1991 --disable-everything)
1992 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1993 ;;
844c6852
DB
1994 --disable-all)
1995 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1996 disable $LIBRARY_LIST $PROGRAM_LIST doc
1997 ;;
7e9e7cc2
MR
1998 --enable-random|--disable-random)
1999 action=${opt%%-random}
2000 do_random ${action#--} $COMPONENT_LIST
2001 ;;
2002 --enable-random=*|--disable-random=*)
2003 action=${opt%%-random=*}
2004 do_random ${action#--} $optval
2005 ;;
2006 --enable-*=*|--disable-*=*)
2007 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2008 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2009 eval list=\$$(toupper $thing)_LIST
2010 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2011 $action $(filter "$name" $list)
2012 ;;
2013 --enable-?*|--disable-?*)
2014 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2015 if is_in $option $COMPONENT_LIST; then
2016 test $action = disable && action=unset
2017 eval $action \$$(toupper ${option%s})_LIST
2018 elif is_in $option $CMDLINE_SELECT; then
2019 $action $option
2020 else
2021 die_unknown $opt
2022 fi
2023 ;;
2024 --list-*)
2025 NAME="${opt#--list-}"
2026 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2027 NAME=${NAME%s}
2028 eval show_list $NAME \$$(toupper $NAME)_LIST
2029 ;;
2030 --help|-h) show_help
2031 ;;
2032 *)
2033 optname="${opt%%=*}"
2034 optname="${optname#--}"
2035 optname=$(echo "$optname" | sed 's/-/_/g')
2036 if is_in $optname $CMDLINE_SET; then
2037 eval $optname='$optval'
2038 elif is_in $optname $CMDLINE_APPEND; then
2039 append $optname "$optval"
2040 else
2041 die_unknown $opt
2042 fi
2043 ;;
7483e694 2044 esac
c597172e
MR
2045done
2046
bcea99bb
MR
2047disabled logging && logfile=/dev/null
2048
29ba0911 2049echo "# $0 $LIBAV_CONFIGURATION" > $logfile
bcea99bb
MR
2050set >> $logfile
2051
9da6609f
MR
2052test -n "$cross_prefix" && enable cross_compile
2053
8d4c00ed
MR
2054if enabled cross_compile; then
2055 test -n "$arch" && test -n "$target_os" ||
2056 die "Must specify target arch and OS when cross-compiling"
2057fi
2058
121d78d0 2059ar_default="${cross_prefix}${ar_default}"
11e6d03a 2060cc_default="${cross_prefix}${cc_default}"
20e0ed95 2061nm_default="${cross_prefix}${nm_default}"
3f8040db 2062pkg_config_default="${cross_prefix}${pkg_config_default}"
adb2b908 2063ranlib="${cross_prefix}${ranlib}"
adb2b908 2064
c5200f17
MR
2065sysinclude_default="${sysroot}/usr/include"
2066
aeeb782c 2067case "$toolchain" in
0fbb62a8
LB
2068 clang-asan)
2069 cc_default="clang"
2070 add_cflags -faddress-sanitizer
2071 add_ldflags -faddress-sanitizer
2072 ;;
2073 clang-tsan)
2074 cc_default="clang"
2075 add_cflags -fthread-sanitizer
2076 add_ldflags -fthread-sanitizer
2077 ;;
aeeb782c
MR
2078 msvc)
2079 cc_default="c99wrap cl"
2080 ld_default="c99wrap link"
2081 nm_default="dumpbin -symbols"
ac3a9b51 2082 ar_default="lib"
53e8cd68 2083 target_os_default="win32"
aeeb782c
MR
2084 ;;
2085 ?*)
2086 die "Unknown toolchain $toolchain"
2087 ;;
2088esac
2089
53e8cd68 2090set_default arch cc pkg_config sysinclude target_os
9da6609f
MR
2091enabled cross_compile || host_cc_default=$cc
2092set_default host_cc
13c7df3d 2093
762f95e4
MR
2094if ! $pkg_config --version >/dev/null 2>&1; then
2095 warn "$pkg_config not found, library detection may fail."
2096 pkg_config=false
2097fi
2098
82bb3329
MR
2099exesuf() {
2100 case $1 in
53e8cd68 2101 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
82bb3329
MR
2102 esac
2103}
2104
2105EXESUF=$(exesuf $target_os)
2106HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 2107
e4e69e0b 2108# set temporary file name
a49d42c2 2109: ${TMPDIR:=$TEMPDIR}
c51fafa1 2110: ${TMPDIR:=$TMP}
a49d42c2 2111: ${TMPDIR:=/tmp}
e4e69e0b 2112
a210bce2 2113if ! check_cmd mktemp -u XXXXXX; then
54460a83
MR
2114 # simple replacement for missing mktemp
2115 # NOT SAFE FOR GENERAL USE
2116 mktemp(){
09a5c245 2117 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
54460a83
MR
2118 }
2119fi
2120
2121tmpfile(){
2122 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2123 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 2124 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
2125 append TMPFILES $tmp
2126 eval $1=$tmp
2127}
2128
2129trap 'rm -f -- $TMPFILES' EXIT
54460a83 2130
55127e7b 2131tmpfile TMPASM .asm
3e0b1c9a
DB
2132tmpfile TMPC .c
2133tmpfile TMPE $EXESUF
2134tmpfile TMPH .h
2135tmpfile TMPO .o
2136tmpfile TMPS .S
2137tmpfile TMPSH .sh
2138tmpfile TMPV .ver
54460a83
MR
2139
2140unset -f mktemp
e4e69e0b 2141
fb3c4ffc
MR
2142chmod +x $TMPE
2143
993f2d0f
MR
2144# make sure we can execute files in $TMPDIR
2145cat > $TMPSH 2>> $logfile <<EOF
2146#! /bin/sh
2147EOF
2148chmod +x $TMPSH >> $logfile 2>&1
2149if ! $TMPSH >> $logfile 2>&1; then
2150 cat <<EOF
2151Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2152variable to another directory and make sure that it is not mounted noexec.
2153EOF
2154 die "Sanity test failed."
2155fi
993f2d0f 2156
457cc333
MR
2157ccc_flags(){
2158 for flag; do
2159 case $flag in
2160 -std=c99) echo -c99 ;;
2161 -mcpu=*) echo -arch ${flag#*=} ;;
2162 -mieee) echo -ieee ;;
2163 -O*|-fast) echo $flag ;;
2164 -fno-math-errno) echo -assume nomath_errno ;;
2165 -g) echo -g3 ;;
2166 -Wall) echo -msg_enable level2 ;;
2167 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2168 -Wl,*) echo $flag ;;
2169 -f*|-W*) ;;
2170 *) echo $flag ;;
2171 esac
2172 done
2173}
2174
dfa559bc
RB
2175msvc_flags(){
2176 for flag; do
2177 case $flag in
2178 -fomit-frame-pointer) echo -Oy ;;
2179 -g) echo -Z7 ;;
2180 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2181 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
4a185ed2 2182 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
d66c52c2 2183 -wd4996 -wd4273 ;;
dfa559bc
RB
2184 -std=c99) ;;
2185 -fno-math-errno) ;;
2186 -fno-common) ;;
2187 -fno-signed-zeros) ;;
2188 -lz) echo zlib.lib ;;
bd680c7b
DB
2189 -lavifil32) echo vfw32.lib ;;
2190 -lavicap32) echo vfw32.lib user32.lib ;;
dfa559bc
RB
2191 -l*) echo ${flag#-l}.lib ;;
2192 *) echo $flag ;;
2193 esac
2194 done
2195}
2196
d0c6d424
MR
2197pgi_flags(){
2198 for flag; do
2199 case $flag in
643933f5 2200 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
d0c6d424
MR
2201 -fomit-frame-pointer) echo -Mnoframe ;;
2202 -g) echo -gopt ;;
2203 *) echo $flag ;;
2204 esac
2205 done
2206}
2207
2208suncc_flags(){
2209 for flag; do
2210 case $flag in
2211 -march=*|-mcpu=*)
2212 case "${flag#*=}" in
2213 native) echo -xtarget=native ;;
2214 v9|niagara) echo -xarch=sparc ;;
2215 ultrasparc) echo -xarch=sparcvis ;;
2216 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2217 i586|pentium) echo -xchip=pentium ;;
2218 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2219 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2220 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2221 pentium4*) echo -xtarget=pentium4 ;;
2222 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2223 *-sse3) echo -xarch=sse3 ;;
2224 core2) echo -xarch=ssse3 -xchip=core2 ;;
f2ce813e
SM
2225 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2226 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
b36f87ff 2227 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
d0c6d424
MR
2228 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2229 k8|opteron|athlon64|athlon-fx)
2230 echo -xarch=sse2a ;;
2231 athlon*) echo -xarch=pentium_proa ;;
2232 esac
2233 ;;
2234 -std=c99) echo -xc99 ;;
2235 -fomit-frame-pointer) echo -xregs=frameptr ;;
2236 -fPIC) echo -KPIC -xcode=pic32 ;;
2237 -W*,*) echo $flag ;;
2238 -f*-*|-W*) ;;
2239 *) echo $flag ;;
2240 esac
2241 done
2242}
2243
2244tms470_flags(){
2245 for flag; do
2246 case $flag in
2247 -march=*|-mcpu=*)
2248 case "${flag#*=}" in
2249 armv7-a|cortex-a*) echo -mv=7a8 ;;
2250 armv7-r|cortex-r*) echo -mv=7r4 ;;
2251 armv7-m|cortex-m*) echo -mv=7m3 ;;
2252 armv6*|arm11*) echo -mv=6 ;;
2253 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2254 echo -mv=5e ;;
2255 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2256 esac
2257 ;;
2258 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2259 -mfpu=vfp) echo --float_support=vfpv2 ;;
2260 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
b5198a26 2261 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
d0c6d424
MR
2262 -msoft-float) echo --float_support=vfplib ;;
2263 -O[0-3]|-mf=*) echo $flag ;;
2264 -g) echo -g -mn ;;
2265 -pds=*) echo $flag ;;
ad93dccb
MR
2266 -D*|-I*) echo $flag ;;
2267 --gcc|--abi=*) echo $flag ;;
2268 -me) echo $flag ;;
d0c6d424
MR
2269 esac
2270 done
2271}
2272
a758c5e2
MR
2273probe_cc(){
2274 pfx=$1
2275 _cc=$2
2276
8db73c61
MR
2277 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2278 unset _ld_o _ldflags _ld_lib _ld_path
18031c49 2279 unset _depflags _DEPCMD _DEPFLAGS
a758c5e2
MR
2280 _flags_filter=echo
2281
2282 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2283 _type=llvm_gcc
2284 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2285 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2286 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2287 _cflags_speed='-O3'
2288 _cflags_size='-Os'
2289 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2290 _type=gcc
2291 gcc_version=$($_cc --version | head -n1)
2292 gcc_basever=$($_cc -dumpversion)
2293 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2294 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2295 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2296 if ! $_cc -dumpversion | grep -q '^2\.'; then
2297 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2298 fi
2299 _cflags_speed='-O3'
2300 _cflags_size='-Os'
2301 elif $_cc --version 2>/dev/null | grep -q Intel; then
2302 _type=icc
2303 _ident=$($_cc --version | head -n1)
2304 _depflags='-MMD'
2305 _cflags_speed='-O3'
2306 _cflags_size='-Os'
2307 _cflags_noopt='-O1'
2308 elif $_cc -v 2>&1 | grep -q xlc; then
2309 _type=xlc
2310 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2311 _cflags_speed='-O5'
2312 _cflags_size='-O5 -qcompact'
2313 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2314 _type=ccc
2315 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2316 _DEPFLAGS='-M'
a758c5e2
MR
2317 _cflags_speed='-fast'
2318 _cflags_size='-O1'
457cc333 2319 _flags_filter=ccc_flags
a758c5e2
MR
2320 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2321 test -d "$sysroot" || die "No valid sysroot specified."
2322 _type=armcc
2323 _ident=$($_cc --vsn | head -n1)
2324 armcc_conf="$PWD/armcc.conf"
2325 $_cc --arm_linux_configure \
2326 --arm_linux_config_file="$armcc_conf" \
2327 --configure_sysroot="$sysroot" \
2328 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2329 die "Error creating armcc configuration file."
2330 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2331 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2332 as_default="${cross_prefix}gcc"
2333 _depflags='-MMD'
2334 _cflags_speed='-O3'
2335 _cflags_size='-Os'
0122118e 2336 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
a758c5e2
MR
2337 _type=tms470
2338 _ident=$($_cc -version | head -n1 | tr -s ' ')
2339 _flags='--gcc --abi=eabi -me'
18031c49 2340 _cc_e='-ppl -fe=$@'
a758c5e2 2341 _cc_o='-fe=$@'
a758c5e2
MR
2342 _depflags='-ppa -ppd=$(@:.o=.d)'
2343 _cflags_speed='-O3 -mf=5'
2344 _cflags_size='-O3 -mf=2'
2345 _flags_filter=tms470_flags
2346 elif $_cc -v 2>&1 | grep -q clang; then
2347 _type=clang
2348 _ident=$($_cc --version | head -n1)
2349 _depflags='-MMD'
2350 _cflags_speed='-O3'
2351 _cflags_size='-Os'
2352 elif $_cc -V 2>&1 | grep -q Sun; then
2353 _type=suncc
2354 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2355 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
c72f12cb 2356 _DEPFLAGS='-xM1 -xc99'
a758c5e2
MR
2357 _ldflags='-std=c99'
2358 _cflags_speed='-O5'
2359 _cflags_size='-O5 -xspace'
2360 _flags_filter=suncc_flags
2361 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2362 _type=pathscale
2363 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2364 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2365 _cflags_speed='-O2'
2366 _cflags_size='-Os'
2367 _flags_filter='filter_out -Wdisabled-optimization'
2368 elif $_cc -v 2>&1 | grep -q Open64; then
2369 _type=open64
2370 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2371 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2372 _cflags_speed='-O2'
2373 _cflags_size='-Os'
2374 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2375 elif $_cc -V 2>&1 | grep -q Portland; then
2376 _type=pgi
2377 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
8f23907f 2378 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
a758c5e2
MR
2379 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2380 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2381 _cflags_noopt="-O1"
2382 _flags_filter=pgi_flags
dfa559bc
RB
2383 elif $_cc 2>&1 | grep -q Microsoft; then
2384 _type=msvc
2385 _ident=$($cc 2>&1 | head -n1)
2386 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2387 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2388 _cflags_speed="-O2"
2389 _cflags_size="-O1"
2390 # Nonstandard output options, to avoid msys path conversion issues, relies on wrapper to remap it
2391 if $_cc 2>&1 | grep -q Linker; then
2392 _ld_o='-out $@'
2393 else
2394 _ld_o='-Fe$@'
2395 fi
2396 _cc_o='-Fo $@'
a224b2cb 2397 _cc_e='-P -Fi $@'
dfa559bc
RB
2398 _flags_filter=msvc_flags
2399 _ld_lib='lib%.a'
2400 _ld_path='-libpath:'
2401 _flags='-nologo'
2402 _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2403 if [ $pfx = hostcc ]; then
6a0200f2 2404 append _cflags -Dsnprintf=_snprintf
dfa559bc 2405 fi
aef6bd1b 2406 fi
a758c5e2
MR
2407
2408 eval ${pfx}_type=\$_type
2409 eval ${pfx}_ident=\$_ident
2410}
2411
2412set_ccvars(){
23565c26 2413 eval ${1}_C=\${_cc_c-\${${1}_C}}
18031c49 2414 eval ${1}_E=\${_cc_e-\${${1}_E}}
a758c5e2
MR
2415 eval ${1}_O=\${_cc_o-\${${1}_O}}
2416
2417 if [ -n "$_depflags" ]; then
2418 eval ${1}_DEPFLAGS=\$_depflags
2419 else
2420 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2421 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2422 eval DEP${1}FLAGS=\$_flags
2423 fi
2424}
2425
2426probe_cc cc "$cc"
2427cflags_filter=$_flags_filter
2428cflags_speed=$_cflags_speed
2429cflags_size=$_cflags_size
2430cflags_noopt=$_cflags_noopt
2431add_cflags $_flags $_cflags
2432cc_ldflags=$_ldflags
2433set_ccvars CC
2434
2435probe_cc hostcc "$host_cc"
2436host_cflags_filter=$_flags_filter
a758c5e2 2437add_host_cflags $_flags $_cflags
a758c5e2 2438set_ccvars HOSTCC
629687f6 2439
851ffa80
MR
2440test -n "$cc_type" && enable $cc_type ||
2441 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 2442
75bafbac 2443: ${as_default:=$cc}
50567afa 2444: ${dep_cc_default:=$cc}
684b28e0 2445: ${ld_default:=$cc}
095792f2
MR
2446: ${host_ld_default:=$host_cc}
2447set_default ar as dep_cc ld host_ld
75800dce 2448
a758c5e2
MR
2449probe_cc as "$as"
2450asflags_filter=$_flags_filter
2451add_asflags $_flags $_cflags
2452set_ccvars AS
2453
2454probe_cc ld "$ld"
2455ldflags_filter=$_flags_filter
2456add_ldflags $_flags $_ldflags
2457test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2763587c 2458LD_O=${_ld_o-$LD_O}
8db73c61
MR
2459LD_LIB=${_ld_lib-$LD_LIB}
2460LD_PATH=${_ld_path-$LD_PATH}
a758c5e2 2461
095792f2
MR
2462probe_cc hostld "$host_ld"
2463host_ldflags_filter=$_flags_filter
2464add_host_ldflags $_flags $_ldflags
2465HOSTLD_O=${_ld_o-$HOSTLD_O}
2466
a758c5e2
MR
2467if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2468 probe_cc depcc "$dep_cc"
2469 CCDEP=${_DEPCMD:-$DEPCMD}
2470 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2471 DEPCCFLAGS=$_flags
2472fi
07dec06e 2473
3dbc777c
MR
2474if $ar 2>&1 | grep -q Microsoft; then
2475 arflags="-nologo"
2476 ar_o='-out:$@'
2477elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2478 arflags="rq"
2479 ar_o='$@'
2480else
2481 arflags="rc"
2482 ar_o='$@'
2483fi
2484
7f32f40c 2485add_cflags $extra_cflags
2f2e6c7c 2486add_asflags $extra_cflags
7f32f40c 2487
154d432c
MR
2488if test -n "$sysroot"; then
2489 case "$cc_type" in
00ba041c 2490 gcc|llvm_gcc|clang)
467256f2 2491 add_cppflags --sysroot="$sysroot"
154d432c
MR
2492 add_ldflags --sysroot="$sysroot"
2493 ;;
6fec122a
MR
2494 tms470)
2495 add_cppflags -I"$sysinclude"
2496 add_ldflags --sysroot="$sysroot"
2497 ;;
154d432c
MR
2498 esac
2499fi
2500
d22c13a8
MR
2501if test "$cpu" = host; then
2502 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2503
2504 case "$cc_type" in
613a4e3f 2505 gcc|llvm_gcc)
d22c13a8
MR
2506 check_native(){
2507 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
b695256e 2508 sed -n "/cc1.*$1=/{
27ce1be8
MR
2509 s/.*$1=\\([^ ]*\\).*/\\1/
2510 p
2511 q
2512 }" $TMPE
d22c13a8
MR
2513 }
2514 cpu=$(check_native -march || check_native -mcpu)
2515 ;;
2516 esac
2517
2518 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2519fi
2520
e939cedd
MR
2521# Deal with common $arch aliases
2522case "$arch" in
5873b623
MR
2523 aarch64|arm64)
2524 arch="aarch64"
2525 ;;
e939cedd
MR
2526 arm*)
2527 arch="arm"
2528 ;;
2acda282 2529 mips*|IP*)
e939cedd
MR
2530 arch="mips"
2531 ;;
a6e9d649 2532 parisc*|hppa*)
e939cedd
MR
2533 arch="parisc"
2534 ;;
56203596 2535 "Power Macintosh"|ppc*|powerpc*)
e939cedd
MR
2536 arch="ppc"
2537 ;;
e939cedd
MR
2538 s390|s390x)
2539 arch="s390"
2540 ;;
2541 sh4|sh)
2542 arch="sh4"
2543 ;;
4cd217c0 2544 sun4u|sparc*)
e939cedd 2545 arch="sparc"
e939cedd 2546 ;;
c75848cd
DB
2547 tilegx|tile-gx)
2548 arch="tilegx"
2549 ;;
d33ed7b3 2550 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
e939cedd
MR
2551 arch="x86"
2552 ;;
2553esac
2554
851ffa80 2555is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 2556enable $arch
e939cedd 2557
df5cdc24 2558# Add processor-specific flags
9ebd45c2 2559if enabled aarch64; then
33db40f8
MR
2560
2561 case $cpu in
2562 armv*)
2563 cpuflags="-march=$cpu"
2564 ;;
2565 *)
2566 cpuflags="-mcpu=$cpu"
2567 ;;
2568 esac
2569
2570elif enabled alpha; then
2571
2572 cpuflags="-mcpu=$cpu"
2573
2574elif enabled arm; then
2575
1234c66a
MR
2576 check_arm_arch() {
2577 check_cpp_condition stddef.h \
2578 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
2579 $cpuflags
2580 }
2581
2582 probe_arm_arch() {
2583 if check_arm_arch 4; then echo armv4;
2584 elif check_arm_arch 4T; then echo armv4t;
2585 elif check_arm_arch 5; then echo armv5;
2586 elif check_arm_arch 5E; then echo armv5e;
2587 elif check_arm_arch 5T; then echo armv5t;
2588 elif check_arm_arch 5TE; then echo armv5te;
2589 elif check_arm_arch 5TEJ; then echo armv5te;
2590 elif check_arm_arch 6; then echo armv6;
2591 elif check_arm_arch 6J; then echo armv6j;
2592 elif check_arm_arch 6K; then echo armv6k;
2593 elif check_arm_arch 6Z; then echo armv6z;
2594 elif check_arm_arch 6ZK; then echo armv6zk;
2595 elif check_arm_arch 6T2; then echo armv6t2;
2596 elif check_arm_arch 7; then echo armv7;
2597 elif check_arm_arch 7A 7_A; then echo armv7-a;
2598 elif check_arm_arch 7R 7_R; then echo armv7-r;
2599 elif check_arm_arch 7M 7_M; then echo armv7-m;
2600 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
2601 elif check_arm_arch 8A 8_A; then echo armv8-a;
2602 fi
2603 }
2604
2605 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
2606
33db40f8
MR
2607 case $cpu in
2608 armv*)
2609 cpuflags="-march=$cpu"
2610 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2611 ;;
2612 *)
2613 cpuflags="-mcpu=$cpu"
2614 case $cpu in
2615 cortex-a*) subarch=armv7a ;;
2616 cortex-r*) subarch=armv7r ;;
2617 cortex-m*) enable thumb; subarch=armv7m ;;
2618 arm11*) subarch=armv6 ;;
2619 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2620 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
1234c66a 2621 *) subarch=$(probe_arm_arch) ;;
33db40f8
MR
2622 esac
2623 ;;
2624 esac
2625
f0fe245b
MR
2626 case "$subarch" in
2627 armv5t*) enable fast_clz ;;
2628 armv[6-8]*) enable fast_clz fast_unaligned ;;
2629 esac
2630
33db40f8
MR
2631elif enabled avr32; then
2632
2633 case $cpu in
2634 ap7[02]0[0-2])
2635 subarch="avr32_ap"
2636 cpuflags="-mpart=$cpu"
2637 ;;
2638 ap)
2639 subarch="avr32_ap"
2640 cpuflags="-march=$cpu"
2641 ;;
2642 uc3[ab]*)
2643 subarch="avr32_uc"
2644 cpuflags="-mcpu=$cpu"
2645 ;;
2646 uc)
2647 subarch="avr32_uc"
2648 cpuflags="-march=$cpu"
2649 ;;
2650 esac
2651
2652elif enabled bfin; then
2653
2654 cpuflags="-mcpu=$cpu"
2655
2656elif enabled mips; then
2657
2658 cpuflags="-march=$cpu"
2659
5d54c126 2660elif enabled ppc; then
343aef9b 2661
56348891
MR
2662 case $(tolower $cpu) in
2663 601|ppc601|powerpc601)
9dbd5c3d 2664 cpuflags="-mcpu=601"
64ad53ff 2665 disable altivec
9dbd5c3d 2666 ;;
56348891 2667 603*|ppc603*|powerpc603*)
9dbd5c3d 2668 cpuflags="-mcpu=603"
64ad53ff 2669 disable altivec
9dbd5c3d 2670 ;;
56348891 2671 604*|ppc604*|powerpc604*)
9dbd5c3d 2672 cpuflags="-mcpu=604"
64ad53ff 2673 disable altivec
9dbd5c3d 2674 ;;
56348891 2675 g3|75*|ppc75*|powerpc75*)
7f1fcaf0 2676 cpuflags="-mcpu=750"
64ad53ff 2677 disable altivec
9dbd5c3d 2678 ;;
56348891 2679 g4|745*|ppc745*|powerpc745*)
7f1fcaf0 2680 cpuflags="-mcpu=7450"
9dbd5c3d 2681 ;;
56348891 2682 74*|ppc74*|powerpc74*)
7f1fcaf0 2683 cpuflags="-mcpu=7400"
9dbd5c3d 2684 ;;
313f9fbf 2685 g5|970|ppc970|powerpc970)
7f1fcaf0 2686 cpuflags="-mcpu=970"
9dbd5c3d 2687 ;;
313f9fbf 2688 power[3-7]*)
7f1fcaf0 2689 cpuflags="-mcpu=$cpu"
313f9fbf 2690 ;;
56348891 2691 cell)
9dbd5c3d
MR
2692 cpuflags="-mcpu=cell"
2693 enable ldbrx
2694 ;;
4ab26cb4
DB
2695 e500mc)
2696 cpuflags="-mcpu=e500mc"
2697 disable altivec
2698 ;;
7b0b81a1
AL
2699 e500v2)
2700 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2701 disable altivec
2702 ;;
2703 e500)
2704 cpuflags="-mcpu=8540 -mhard-float"
2705 disable altivec
2706 ;;
9dbd5c3d 2707 esac
343aef9b 2708
33db40f8
MR
2709elif enabled sparc; then
2710
2711 case $cpu in
2712 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
2713 cpuflags="-mcpu=$cpu"
2714 disable vis
2715 ;;
2716 ultrasparc*|niagara[234])
2717 cpuflags="-mcpu=$cpu"
2718 ;;
2719 esac
2720
343aef9b
MR
2721elif enabled x86; then
2722
9dbd5c3d
MR
2723 case $cpu in
2724 i[345]86|pentium)
2725 cpuflags="-march=$cpu"
2726 disable mmx
2727 ;;
2728 # targets that do NOT support conditional mov (cmov)
2729 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2730 cpuflags="-march=$cpu"
2731 disable cmov
2732 ;;
2733 # targets that do support conditional mov (cmov)
f2ce813e 2734 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
9dbd5c3d
MR
2735 cpuflags="-march=$cpu"
2736 enable cmov
2737 enable fast_cmov
2738 ;;
2739 # targets that do support conditional mov but on which it's slow
2740 pentium4|pentium4m|prescott|nocona)
2741 cpuflags="-march=$cpu"
2742 enable cmov
2743 disable fast_cmov
2744 ;;
2745 esac
343aef9b 2746
343aef9b
MR
2747fi
2748
9ebd45c2
MR
2749if [ "$cpu" != generic ]; then
2750 add_cflags $cpuflags
2751 add_asflags $cpuflags
2752fi
df5cdc24 2753
993f2d0f
MR
2754# compiler sanity check
2755check_exec <<EOF
2756int main(void){ return 0; }
2757EOF
2758if test "$?" != 0; then
2759 echo "$cc is unable to create an executable file."
2760 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2761 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2762 echo "Only do this if you know what cross compiling means."
2763 fi
2764 die "C compiler test failed."
2765fi
2766
046f081b 2767add_cppflags -D_ISOC99_SOURCE
e9b9a2f8 2768check_cflags -std=c99
50a334e4 2769check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2770#include <stdlib.h>
2771EOF
50a334e4 2772check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2773#include <stdlib.h>
2774EOF
e9b9a2f8 2775
f0125de9 2776check_host_cflags -std=c99
0a6db2a2 2777check_host_cflags -Wall
f0125de9 2778
d4c99513
MR
2779check_64bit(){
2780 arch32=$1
2781 arch64=$2
2782 expr=$3
2783 check_code cc "" "int test[2*($expr) - 1]" &&
2784 subarch=$arch64 || subarch=$arch32
2785}
2786
b24dbcbd 2787case "$arch" in
4cd217c0 2788 alpha|ia64)
2acda282
MR
2789 spic=$shared
2790 ;;
2791 mips)
2792 check_64bit mips mips64 '_MIPS_SIM > 1'
8a3c8627 2793 spic=$shared
b24dbcbd 2794 ;;
a6e9d649
MR
2795 parisc)
2796 check_64bit parisc parisc64 'sizeof(void *) > 4'
2797 spic=$shared
2798 ;;
56203596
MR
2799 ppc)
2800 check_64bit ppc ppc64 'sizeof(void *) > 4'
1944d532 2801 spic=$shared
56203596 2802 ;;
4cd217c0
MR
2803 sparc)
2804 check_64bit sparc sparc64 'sizeof(void *) > 4'
2805 spic=$shared
2806 ;;
e939cedd 2807 x86)
d4c99513 2808 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
de27f4d9 2809 if test "$subarch" = "x86_64"; then
e939cedd 2810 spic=$shared
de27f4d9 2811 fi
b24dbcbd 2812 ;;
b24dbcbd
RP
2813esac
2814
343aef9b 2815enable $subarch
8a3c8627 2816enabled spic && enable pic
b24dbcbd 2817
7483e694 2818# OS specific
4f854758 2819case $target_os in
a1629e28 2820 haiku)
63ae7e7c 2821 prefix_default="/boot/common"
108caaaa 2822 network_extralibs="-lnetwork"
f59c4bd6 2823 host_libs=
a1629e28 2824 ;;
7483e694 2825 sunos)
4d58e4cb 2826 AVSERVERLDFLAGS=""
9987769a 2827 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2828 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2829 network_extralibs="-lsocket -lnsl"
779222db 2830 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
87a74f47
SM
2831 # When using suncc to build, the Solaris linker will mark
2832 # an executable with each instruction set encountered by
2833 # the Solaris assembler. As our libraries contain their own
2834 # guards for processor-specific code, instead suppress
2835 # generation of the HWCAPS ELF section on Solaris x86 only.
2836 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2a8a860a 2837 nm_default='nm -P -g'
7483e694
DB
2838 ;;
2839 netbsd)
a1e4b3f6 2840 disable symver
07a8eef6
MR
2841 oss_indev_extralibs="-lossaudio"
2842 oss_outdev_extralibs="-lossaudio"
7483e694 2843 ;;
d488c3bc 2844 openbsd|bitrig)
7c4a001a 2845 # On OpenBSD 4.5. the compiler does not use PIC unless
070c5d0f 2846 # explicitly using -fPIC. Libav builds fine without PIC,
7c4a001a
MR
2847 # however the generated executable will not do anything
2848 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2849 # Thus explicitly enable PIC here.
cd78208b 2850 enable pic
a1e4b3f6 2851 disable symver
7483e694 2852 SHFLAGS='-shared'
d5683aba
BS
2853 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBVERSION)'
2854 SLIB_INSTALL_LINKS=
07a8eef6
MR
2855 oss_indev_extralibs="-lossaudio"
2856 oss_outdev_extralibs="-lossaudio"
7483e694 2857 ;;
a1e4b3f6 2858 dragonfly)
a1e4b3f6
MR
2859 disable symver
2860 ;;
2861 freebsd)
7483e694
DB
2862 ;;
2863 bsd/os)
355d81df 2864 add_extralibs -lpoll -lgnugetopt
7483e694
DB
2865 ;;
2866 darwin)
301ab19d 2867 gas="gas-preprocessor.pl $cc"
e08b8239 2868 enabled ppc && add_asflags -force_cpusubtype_ALL
49e35f49 2869 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
dff68563 2870 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
355d81df 2871 add_ldflags -Wl,-dynamic,-search_paths_first
7483e694
DB
2872 SLIBSUF=".dylib"
2873 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2874 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4d58e4cb 2875 AVSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2876 objformat="macho"
1b0f6fb8 2877 enabled x86_64 && objformat="macho64"
8dfa86f7 2878 enabled_any pic shared ||
2704bd1a 2879 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2880 ;;
2881 mingw32*)
9d3f4f50 2882 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2883 disable network
2884 else
2885 target_os=mingw32
2886 fi
dcc01c06 2887 LIBTARGET=i386
1fc9fb8a 2888 if enabled x86_64; then
417516f6 2889 LIBTARGET="i386:x86-64"
336cc1b0 2890 elif enabled arm; then
15c5156d 2891 LIBTARGET=arm-wince
dcc01c06 2892 fi
fbd971a4 2893 shlibdir_default="$bindir_default"
7483e694
DB
2894 SLIBPREF=""
2895 SLIBSUF=".dll"
7483e694
DB
2896 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2897 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
eb7018d2 2898 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2f138f0b
MR
2899 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2900 SLIB_INSTALL_LINKS=
2901 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2902 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
eb7018d2 2903 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2904 objformat="win32"
ec10a9ab 2905 dlltool="${cross_prefix}dlltool"
a3222470 2906 ranlib=:
bc574408 2907 enable dos_paths
5666a9f2 2908 add_cppflags -U__STRICT_ANSI__
7483e694 2909 ;;
53e8cd68 2910 win32|win64)
d66c52c2
MS
2911 if enabled shared; then
2912 # Link to the import library instead of the normal static library
2913 # for shared libs.
2914 LD_LIB='%.lib'
2915 # Cannot build shared and static libraries at the same time with
2916 # MSVC.
2917 disable static
2918 fi
2919 shlibdir_default="$bindir_default"
2920 SLIBPREF=""
2921 SLIBSUF=".dll"
2922 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2923 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2924 SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
2925 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2926 SLIB_INSTALL_LINKS=
2927 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2928 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2929 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
53e8cd68
MS
2930 objformat="win32"
2931 ranlib=:
2932 enable dos_paths
2933 ;;
7483e694 2934 cygwin*)
4f854758 2935 target_os=cygwin
fbd971a4 2936 shlibdir_default="$bindir_default"
7483e694
DB
2937 SLIBPREF="cyg"
2938 SLIBSUF=".dll"
2939 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2940 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
f5d2c597
YS
2941 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2942 SLIB_INSTALL_LINKS=
2943 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
2944 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
304d586d 2945 objformat="win32"
bc574408 2946 enable dos_paths
7483e694 2947 ;;
4f365f37 2948 *-dos|freedos|opendos)
4f365f37 2949 network_extralibs="-lsocket"
ff1c015d 2950 objformat="coff"
bc574408 2951 enable dos_paths
a7a187a1 2952 add_cppflags -U__STRICT_ANSI__
4f365f37 2953 ;;
7483e694 2954 linux)
7483e694
DB
2955 enable dv1394
2956 ;;
2957 irix*)
4f854758 2958 target_os=irix
7483e694
DB
2959 ranlib="echo ignoring ranlib"
2960 ;;
d22e8442 2961 os/2*)
d22e8442 2962 ln_s="cp -f"
9297f1ed 2963 objformat="aout"
e14574eb 2964 add_cppflags -D_GNU_SOURCE
355d81df 2965 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
71c61f62 2966 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4d58e4cb 2967 AVSERVERLDFLAGS=""
287d3b13 2968 LIBSUF="_s.a"
d22e8442
DY
2969 SLIBPREF=""
2970 SLIBSUF=".dll"
2971 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2972 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62 2973 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
f69f51b3
DB
2974 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2975 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2976 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2977 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2978 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
71c61f62 2979 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
f69f51b3 2980 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2f138f0b 2981 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
bc574408 2982 enable dos_paths
d22e8442 2983 ;;
83993c1c 2984 gnu/kfreebsd)
3bd1eacd 2985 add_cppflags -D_BSD_SOURCE
83993c1c 2986 ;;
34e82167 2987 gnu)
34e82167 2988 ;;
d33ed7b3
MR
2989 qnx)
2990 add_cppflags -D_QNX_SOURCE
2991 network_extralibs="-lsocket"
2992 ;;
1c69c79f
MS
2993 symbian)
2994 SLIBSUF=".dll"
2995 enable dos_paths
e3bc07f4
MS
2996 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2997 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2998 add_ldflags -Wl,--target1-abs,--no-undefined \
2999 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3000 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3001 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3002 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3003 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
1c69c79f 3004 ;;
fdd66609
MR
3005 osf1)
3006 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3007 AVSERVERLDFLAGS=
3008 ;;
741a8b72
MR
3009 minix)
3010 ;;
4ebc6a74
MR
3011 plan9)
3012 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3013 -D_REENTRANT_SOURCE \
3014 -D_RESEARCH_SOURCE \
3015 -DFD_SETSIZE=96 \
3016 -DHAVE_SOCK_OPTS
3017 add_compat strtod.o strtod=avpriv_strtod
3018 network_extralibs='-lbsd'
3019 exeobjs=compat/plan9/main.o
3020 disable avserver
3021 ln_s='ln -s -f'
3022 cp_f='cp'
3023 ;;
614d8911
MR
3024 none)
3025 ;;
7483e694 3026 *)
4f924f9a 3027 die "Unknown OS '$target_os'."
7483e694
DB
3028 ;;
3029esac
3030
b797f3c4
MR
3031# determine libc flavour
3032
3033if check_cpp_condition features.h "defined __UCLIBC__"; then
3034 libc_type=uclibc
3bd1eacd 3035 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
b797f3c4
MR
3036elif check_cpp_condition features.h "defined __GLIBC__"; then
3037 libc_type=glibc
3bd1eacd 3038 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
b797f3c4
MR
3039elif check_header _mingw.h; then
3040 libc_type=mingw
3041 check_cpp_condition _mingw.h \
3042 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3043 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3044 die "ERROR: MinGW runtime version must be >= 3.15."
3045elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3046 libc_type=newlib
8f7b814f 3047 add_cppflags -U__STRICT_ANSI__
4fa661a8
RB
3048elif check_func_headers stdlib.h _get_doserrno; then
3049 libc_type=msvcrt
84e65c76
MR
3050 add_compat strtod.o strtod=avpriv_strtod
3051 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3052 _snprintf=avpriv_snprintf \
3053 vsnprintf=avpriv_vsnprintf
b797f3c4
MR
3054elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3055 libc_type=klibc
3056fi
3057
3058test -n "$libc_type" && enable $libc_type
3059
5ab432fa
MR
3060# hacks for compiler/libc/os combinations
3061
3062if enabled_all tms470 glibc; then
b6f8d635 3063 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
5ab432fa
MR
3064 add_cppflags -D__USER_LABEL_PREFIX__=
3065 add_cppflags -D__builtin_memset=memset
3066 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3067 add_cflags -pds=48 # incompatible redefinition of macro
3068fi
3069
457cc333
MR
3070if enabled_all ccc glibc; then
3071 add_ldflags -Wl,-z,now # calls to libots crash without this
3072fi
3073
6555acad
MR
3074esc(){
3075 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3076}
3077
3078echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
db7515fd 3079
13cb2187
AS
3080check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
3081
c9d19248 3082set_default $PATHS_LIST
2a8a860a 3083set_default nm
c9d19248 3084
320d060a 3085# we need to build at least one lib type
93b3c083 3086if ! enabled_any static shared; then
320d060a
DB
3087 cat <<EOF
3088At least one library type must be built.
3089Specify --enable-static to build the static libraries or --enable-shared to
3090build the shared libraries as well. To only build the shared libraries specify
3091--disable-static in addition to --enable-shared.
3092EOF
3093 exit 1;
3094fi
3095
2184c6f7 3096die_license_disabled() {
4c27207c 3097 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
3098}
3099
e417d80d 3100die_license_disabled gpl libcdio
2184c6f7 3101die_license_disabled gpl libx264
de295976 3102die_license_disabled gpl libxavs
2184c6f7 3103die_license_disabled gpl libxvid
2184c6f7
DB
3104die_license_disabled gpl x11grab
3105
2f7ae63b 3106die_license_disabled nonfree libfaac
87246953 3107die_license_disabled nonfree libfdk_aac
a060866f 3108die_license_disabled nonfree openssl
b2e3c528 3109
0b175caa
DB
3110die_license_disabled version3 libopencore_amrnb
3111die_license_disabled version3 libopencore_amrwb
d89e738a 3112die_license_disabled version3 libvo_aacenc
f502ff3f 3113die_license_disabled version3 libvo_amrwbenc
0b175caa 3114
9cad0e4e 3115enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 3116
40617a6d 3117disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 3118
e276d9e8
MR
3119enable_pic() {
3120 enable pic
bce7b696
MR
3121 add_cppflags -DPIC
3122 add_cflags -fPIC
3123 add_asflags -fPIC
e276d9e8
MR
3124}
3125
3126enabled pic && enable_pic
bce7b696 3127
b4d96ba2
MR
3128check_cc <<EOF || die "Symbol mangling check failed."
3129int ff_extern;
3130EOF
2a8a860a 3131sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
3132extern_prefix=${sym%%ff_extern*}
3133
afb5ed55 3134check_cc <<EOF && enable_weak inline_asm
f65883c8
MR
3135void foo(void) { __asm__ volatile ("" ::); }
3136EOF
61d251db 3137
df5e3978
MR
3138_restrict=
3139for restrict_keyword in restrict __restrict__ __restrict; do
3140 check_cc <<EOF && _restrict=$restrict_keyword && break
3141void foo(char * $restrict_keyword p);
3142EOF
3143done
3144
3145check_cc <<EOF && enable attribute_packed
3146struct { int x; } __attribute__((packed)) x;
3147EOF
3148
dffb41b9
MR
3149check_cc <<EOF && enable attribute_may_alias
3150union { int x; } __attribute__((may_alias)) x;
3151EOF
3152
df5e3978
MR
3153check_cc <<EOF || die "endian test failed"
3154unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3155EOF
48fc536a 3156od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 3157
e939cedd
MR
3158if enabled alpha; then
3159
3160 check_cflags -mieee
3161
3162elif enabled arm; then
e45391bb 3163
66371c28 3164 check_cpp_condition stddef.h "defined __thumb__" && enable_weak thumb
8986fddc 3165 enabled thumb && check_cflags -mthumb || check_cflags -marm
301ab19d 3166 nogas=die
50fa82e6 3167
44caaa56
MR
3168 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3169 enable vfp_args
3170 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3171 case "${cross_prefix:-$cc}" in
3172 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3173 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
fa0912fe
MR
3174__asm__ (".eabi_attribute 28, 1");
3175int main(void) { return 0; }
3176EOF
44caaa56
MR
3177 esac
3178 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3179 fi
fa0912fe 3180
7f2b3dca
MR
3181 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
3182 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
3183 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
7f2b3dca 3184 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
b3267559 3185 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
7f2b3dca
MR
3186 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
3187
b57c1da8
MR
3188 [ $target_os = linux ] ||
3189 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
3190 $ARCH_EXT_LIST_ARM
e45391bb 3191
575db883
DB
3192 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3193 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
6308729e 3194
e276d9e8
MR
3195 enabled_all armv6t2 shared !pic && enable_pic
3196
fa0912fe 3197elif enabled mips; then
e45391bb 3198
575db883 3199 check_inline_asm loongson '"dmult.g $1, $2, $3"'
e45391bb 3200
5af530f5
MR
3201elif enabled parisc; then
3202
3203 if enabled gcc; then
3204 case $($cc -dumpversion) in
3205 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
3206 esac
3207 fi
3208
fa0912fe 3209elif enabled ppc; then
e45391bb 3210
e6a0c354
MR
3211 enable local_aligned_8 local_aligned_16
3212
575db883
DB
3213 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
3214 check_inline_asm ibm_asm '"add 0, 0, 0"'
3215 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
3216 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
3217
3218 # AltiVec flags: The FSF version of GCC differs from the Apple version
3219 if enabled altivec; then
301ab19d 3220 nogas=warn
fa0912fe
MR
3221 check_cflags -maltivec -mabi=altivec &&
3222 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3223 check_cflags -faltivec
3224
3225 # check if our compiler supports Motorola AltiVec C API
3226 check_cc <<EOF || disable altivec
3227$inc_altivec_h
3228int main(void) {
20bcce50
MR
3229 vector signed int v1 = (vector signed int) { 0 };
3230 vector signed int v2 = (vector signed int) { 1 };
3231 v1 = vec_add(v1, v2);
fa0912fe
MR
3232 return 0;
3233}
3234EOF
3235
20bcce50 3236 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
fa0912fe 3237 fi
e45391bb 3238
fa0912fe 3239elif enabled sparc; then
e45391bb 3240
6aa93689 3241 enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
e45391bb 3242
fa0912fe 3243elif enabled x86; then
e45391bb 3244
8e85ba8d
DB
3245 check_code ld intrin.h "__rdtsc()" && enable rdtsc
3246
f80ddd5b
RB
3247 check_code ld mmintrin.h "_mm_empty()" && enable mm_empty
3248
e6a0c354
MR
3249 enable local_aligned_8 local_aligned_16
3250
44965991
PI
3251 # check whether EBP is available on x86
3252 # As 'i' is stored on the stack, this program will crash
3253 # if the base pointer is used to access it because the
3254 # base pointer is cleared in the inline assembly code.
7dfef245 3255 check_exec_crash <<EOF && enable ebp_available
f69f51b3
DB
3256volatile int i=0;
3257__asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
3258return i;
44965991
PI
3259EOF
3260
f494213c 3261 # check whether EBX is available on x86
575db883
DB
3262 check_inline_asm ebx_available '""::"b"(0)' &&
3263 check_inline_asm ebx_available '"":::"%ebx"'
8e380710 3264
6f74fb03 3265 # check whether xmm clobbers are supported
575db883 3266 check_inline_asm xmm_clobbers '"":::"%xmm0"'
6f74fb03 3267
239fdf1b 3268 # check whether binutils is new enough to compile SSSE3/MMXEXT
43b73d59
DB
3269 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
3270 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
6bd859d6 3271
9cca1e40 3272 if ! disabled_any asm mmx yasm; then
b6c06894
MR
3273 if check_cmd $yasmexe --version; then
3274 enabled x86_64 && yasm_extra="-m amd64"
3275 yasm_debug="-g dwarf2"
3276 elif check_cmd nasm -v; then
3277 yasmexe=nasm
3278 yasm_debug="-g -F dwarf"
3279 enabled x86_64 && test "$objformat" = elf && objformat=elf64
3280 fi
3281
3282 YASMFLAGS="-f $objformat $yasm_extra"
3283 enabled pic && append YASMFLAGS "-DPIC"
3284 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
3285 case "$objformat" in
3286 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3287 esac
3288
b8e8a07c 3289 check_yasm "vextractf128 xmm0, ymm0, 0" && enable yasm ||
25432e85 3290 die "yasm not found, use --disable-yasm for a crippled build"
43b73d59 3291 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
180d43bc 3292 check_yasm "CPU amdnop" && enable cpunop
31a0dcb2 3293 fi
e45391bb 3294
669b5583
MR
3295 case "$cpu" in
3296 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3297 disable fast_clz
3298 ;;
3299 esac
3300
44965991
PI
3301fi
3302
301ab19d
MR
3303if enabled asm; then
3304 as=${gas:=$as}
7fd90119 3305 check_as <<EOF && enable gnu_as || \
301ab19d 3306 $nogas "GNU assembler not found, install gas-preprocessor"
7fd90119
MR
3307.macro m n
3308\n: .int 0
3309.endm
3310m x
3311EOF
301ab19d
MR
3312fi
3313
4a7e068b
MR
3314check_ldflags -Wl,--as-needed
3315
a98bb16d
RP
3316if check_func dlopen; then
3317 ldl=
3318elif check_func dlopen -ldl; then
3319 ldl=-ldl
8bf5d58f
MN
3320fi
3321
998c1ee1 3322if ! disabled network; then
54fe299b
DV
3323 check_type "sys/types.h sys/socket.h" socklen_t
3324 check_type netdb.h "struct addrinfo"
75d339e0
MS
3325 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
3326 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
54fe299b
DV
3327 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3328 check_type netinet/in.h "struct sockaddr_in6"
cdee08e3 3329 check_type poll.h "struct pollfd"